:root {
  color-scheme: light;
  --ink: #111827;
  --muted: #647081;
  --line: #d7dee6;
  --paper: #ffffff;
  --soft: #f2f5f7;
  --steel: #21606f;
  --steel-dark: #122b35;
  --blue: #21606f;
  --accent: #b7792a;
  --accent-dark: #8d5614;
  --radius: 8px;
  --shadow: 0 18px 48px rgba(17, 24, 39, 0.1);
  --shadow-soft: 0 8px 24px rgba(17, 24, 39, 0.07);
  font-family:
    "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
}

@media (max-width: 760px) {
  .seo-factor-grid {
    grid-template-columns: 1fr;
  }
}

/* Order-first launch additions */
.project-wechat-card {
  display: flex;
  flex-direction: column;
}

.project-wechat-kicker {
  margin-bottom: 8px;
  color: #b7792a;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 1.2px;
}

.project-wechat-card p strong {
  color: #005460;
}

.project-wechat-qr {
  width: min(218px, 72%);
  margin: 20px auto 14px;
  padding: 8px;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
}

.project-wechat-points {
  display: grid;
  gap: 7px;
  margin: 0 0 18px;
  padding: 0;
  color: #3f484a;
  font-size: 13px;
  list-style: none;
}

.project-wechat-points li {
  position: relative;
  padding-left: 18px;
}

.project-wechat-points li::before {
  position: absolute;
  top: 0.68em;
  left: 0;
  width: 7px;
  height: 7px;
  content: "";
  background: #b7792a;
  border-radius: 50%;
  transform: translateY(-50%);
}

.project-wechat-card .project-submit-button {
  margin-top: auto;
}

.wechat-contact-panel {
  padding: 34px;
}

@media (min-width: 921px) {
  .quote-page-shell {
    align-items: stretch;
  }

  .quote-page-shell > .inner-content {
    display: flex;
    align-self: stretch;
  }

  .quote-page-shell .wechat-contact-panel {
    display: flex;
    flex: 1 1 auto;
  }

  .quote-page-shell .wechat-contact-grid {
    width: 100%;
  }
}

.wechat-contact-grid {
  display: grid;
  grid-template-columns: minmax(240px, 330px) minmax(0, 1fr);
  gap: 38px;
  align-items: center;
}

.wechat-qr-card {
  padding: 18px;
  text-align: center;
  background: #f7fafb;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
}

.wechat-qr-image {
  width: 100%;
  background: #fff;
  border-radius: 6px;
}

.wechat-qr-card p {
  margin: 12px 0 0;
  color: #647081;
  font-size: 13px;
}

.wechat-contact-copy h1 {
  margin: 18px 0 0;
  color: #005460;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.16;
}

.wechat-contact-copy > p {
  margin: 18px 0 0;
  color: #3f484a;
  font-size: 17px;
}

.wechat-id {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 24px;
  padding: 16px 18px;
  background: #f2f7f8;
  border-left: 4px solid #005460;
}

.wechat-id span {
  color: #647081;
  font-size: 13px;
  font-weight: 800;
}

.wechat-id strong {
  color: #005460;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 22px;
  letter-spacing: 0.4px;
}

.wechat-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.wechat-actions .inner-button.secondary,
.inner-cta-row .inner-button.secondary {
  color: #005460;
  background: #fff;
  border-color: rgba(0, 84, 96, 0.28);
}

.wechat-copy-note {
  min-height: 24px;
  color: #647081 !important;
  font-size: 13px !important;
}

.wechat-copy-note.is-success {
  color: #0f766e !important;
  font-weight: 800;
}

.inner-check-list > span {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 32px;
  padding-left: 20px;
  color: #3f484a;
  font-size: 14px;
}

.inner-check-list > span::before {
  position: absolute;
  left: 0;
  color: #005460;
  content: "✓";
  font-weight: 900;
}

.project-service-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.project-service-grid .project-service-package {
  background:
    linear-gradient(135deg, rgba(0, 84, 96, 0.1), rgba(0, 84, 96, 0.02)),
    #fff;
  border-color: rgba(0, 84, 96, 0.28);
}

.project-service-grid .project-service-package span {
  display: inline-flex;
  width: max-content;
  min-height: 26px;
  align-items: center;
  padding: 0 9px;
  color: #fff;
  background: #005460;
  border-radius: 999px;
}

.inner-cta-row {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
}

.inner-cta-row h2 {
  margin: 12px 0 0;
  font-size: clamp(26px, 3vw, 38px);
}

.inner-cta-row p {
  margin: 12px 0 0;
  color: #3f484a;
}

.redirect-card {
  width: min(620px, 100%);
  padding: 44px;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  box-shadow: 0 18px 48px rgba(17, 24, 39, 0.1);
}

.redirect-card > span {
  color: #b7792a;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 1px;
}

.redirect-card h1 {
  margin-top: 14px;
}

@media (max-width: 920px) {
  .wechat-contact-grid,
  .project-service-grid {
    grid-template-columns: 1fr;
  }

  .wechat-qr-card {
    width: min(360px, 100%);
    margin: 0 auto;
  }

  .inner-cta-row {
    align-items: flex-start;
    flex-direction: column;
  }
}

.knowledge-material-mobile,
.knowledge-comparison-mobile {
  display: none;
}

@media (max-width: 720px) {
  .knowledge-material-mobile.is-ready,
  .knowledge-comparison-mobile.is-ready {
    display: grid;
    gap: 12px;
    margin-top: 18px;
  }

  .knowledge-material-mobile.is-ready + .knowledge-material-table-wrap,
  .knowledge-comparison-mobile.is-ready + .knowledge-comparison-table-wrap {
    display: none;
  }

  .knowledge-material-tabs {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
    padding: 5px;
    background: #eef3f4;
    border: 1px solid #d9e3e5;
    border-radius: 10px;
  }

  .knowledge-material-tab {
    min-width: 0;
    min-height: 44px;
    padding: 0 8px;
    color: #48616a;
    background: transparent;
    border: 0;
    border-radius: 7px;
    font-size: 16px;
    font-weight: 900;
    cursor: pointer;
  }

  .knowledge-material-tab[aria-selected="true"] {
    color: #fff;
    background: #005460;
    box-shadow: 0 6px 14px rgba(0, 84, 96, 0.18);
  }

  .knowledge-material-tab:focus-visible {
    outline: 3px solid rgba(216, 153, 67, 0.46);
    outline-offset: 2px;
  }

  .knowledge-material-panel {
    overflow: hidden;
    background: #fff;
    border: 1px solid #dfe5ea;
    border-radius: 10px;
    box-shadow: 0 10px 24px rgba(17, 24, 39, 0.06);
  }

  .knowledge-material-panel[hidden] {
    display: none;
  }

  .knowledge-material-panel > header {
    display: flex;
    min-height: 82px;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px;
    background: linear-gradient(135deg, #eef0ff, #f7fbfb);
    border-bottom: 1px solid #e1e7eb;
  }

  .knowledge-material-panel > header div {
    display: grid;
    gap: 2px;
  }

  .knowledge-material-panel > header strong {
    color: #102033;
    font-size: 25px;
    line-height: 1.1;
  }

  .knowledge-material-panel > header span {
    color: #546773;
    font-size: 14px;
    font-weight: 800;
  }

  .knowledge-material-panel > header em {
    display: grid;
    gap: 1px;
    justify-items: end;
    color: #005460;
    font-size: 16px;
    font-style: normal;
    font-weight: 900;
  }

  .knowledge-material-panel > header small {
    color: #71818a;
    font-size: 11px;
    font-weight: 800;
  }

  .knowledge-material-panel dl {
    margin: 0;
  }

  .knowledge-material-panel dl div {
    display: grid;
    grid-template-columns: 78px minmax(0, 1fr);
    gap: 12px;
    padding: 13px 16px;
    border-bottom: 1px solid #edf0f2;
  }

  .knowledge-material-panel dt,
  .knowledge-material-panel dd {
    margin: 0;
  }

  .knowledge-material-panel dt {
    color: #005460;
    font-size: 13px;
    font-weight: 900;
  }

  .knowledge-material-panel dd {
    color: #334155;
    font-size: 15px;
    line-height: 1.55;
  }

  .knowledge-material-panel details {
    padding: 0 16px 15px;
  }

  .knowledge-material-panel summary {
    min-height: 46px;
    align-content: center;
    color: #005460;
    font-size: 14px;
    font-weight: 900;
    cursor: pointer;
    list-style-position: inside;
  }

  .knowledge-material-panel details p {
    margin: 0;
    padding: 13px 14px;
    color: #44545e;
    background: #f7f9fa;
    border-radius: 7px;
    font-size: 14px;
    line-height: 1.75;
  }

  .knowledge-comparison-tabs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .knowledge-comparison-panel > header {
    min-height: 76px;
  }

  .knowledge-comparison-panel > header span {
    color: #71818a;
    font-size: 12px;
  }

  .knowledge-comparison-panel dl div {
    grid-template-columns: 92px minmax(0, 1fr);
  }
}

@media (max-width: 480px) {
  .knowledge-comparison-tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .project-wechat-qr {
    width: min(260px, 78%);
  }

  .wechat-contact-panel {
    padding: 20px;
  }

  .wechat-contact-grid {
    gap: 24px;
  }

  .wechat-contact-copy h1 {
    font-size: 30px;
  }

  .wechat-id {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .wechat-actions,
  .wechat-actions .inner-button,
  .inner-cta-row .inner-hero-actions,
  .inner-cta-row .inner-button {
    width: 100%;
  }

  .redirect-card {
    padding: 28px 22px;
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% -10%, rgba(33, 96, 111, 0.08), transparent 30%),
    linear-gradient(180deg, #f7f9fa 0%, #ffffff 42%, #f3f6f7 100%);
  line-height: 1.6;
  padding-top: 76px;
  padding-bottom: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  min-height: 76px;
  padding: 0 36px;
  background: rgba(250, 251, 252, 0.88);
  border-bottom: 1px solid rgba(17, 24, 39, 0.08);
  box-shadow: 0 10px 32px rgba(17, 24, 39, 0.05);
  backdrop-filter: blur(20px);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 196px;
  margin-left: 12px;
}

.brand-mark {
  display: none;
}

.brand-logo {
  display: block;
  width: 155px;
  height: auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  color: #344457;
  font-size: 14px;
  font-weight: 700;
}

.nav a {
  padding: 9px 11px;
  border-radius: 8px;
  transition:
    color 0.16s ease,
    background 0.16s ease;
}

.nav a:hover,
.text-link:hover,
.footer a:hover {
  color: var(--steel);
}

.nav a:hover {
  background: rgba(33, 96, 111, 0.08);
}

.header-cta,
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 17px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    background 0.18s ease;
}

.header-cta,
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  box-shadow: 0 12px 24px rgba(141, 86, 20, 0.2);
}

.header-cta:hover,
.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
}

.btn-secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.56);
  background: rgba(255, 255, 255, 0.12);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.2);
}

.hero {
  position: relative;
  min-height: calc(100vh - 72px);
  overflow: hidden;
  display: flex;
  align-items: center;
  padding: 80px 40px 120px;
  color: #fff;
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(10, 24, 34, 0.91) 0%, rgba(13, 35, 49, 0.76) 42%, rgba(13, 35, 49, 0.2) 100%),
    linear-gradient(0deg, rgba(8, 18, 24, 0.56), rgba(8, 18, 24, 0.06));
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(760px, 100%);
  margin-left: max(0px, calc((100vw - 1180px) / 2));
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
}

.hero h1 {
  margin: 0;
  max-width: 720px;
  font-size: clamp(38px, 6vw, 68px);
  line-height: 1.08;
  letter-spacing: 0;
}

.hero-copy {
  width: min(640px, 100%);
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 19px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  width: min(640px, 100%);
  margin-top: 42px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(10px);
}

.hero-stats div {
  padding: 18px;
  background: rgba(4, 15, 22, 0.16);
}

.hero-stats strong,
.hero-stats span {
  display: block;
}

.hero-stats strong {
  font-size: 25px;
  line-height: 1.2;
}

.hero-stats span {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 13px;
}

.section {
  padding: 82px 40px;
}

.section > * {
  width: min(1180px, 100%);
  margin-right: auto;
  margin-left: auto;
}

.muted {
  background:
    linear-gradient(180deg, rgba(247, 249, 250, 0.92), rgba(239, 244, 246, 0.96)),
    var(--soft);
}

.section-heading {
  margin-bottom: 34px;
}

.section-heading h2 {
  width: min(760px, 100%);
  margin: 0;
  font-size: clamp(27px, 3.6vw, 40px);
  line-height: 1.18;
  letter-spacing: 0;
}

.section-heading p:not(.eyebrow) {
  width: min(760px, 100%);
  margin: 14px 0 0;
  color: var(--muted);
}

.split {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.text-link {
  color: var(--steel);
  font-weight: 800;
  text-underline-offset: 4px;
}

.intro-grid,
.product-grid,
.scene-grid,
.article-list {
  display: grid;
  gap: 18px;
}

.intro-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.intro-grid article,
.product-card,
.article-list article,
.quote-panel {
  background: #fff;
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
}

.intro-grid article {
  padding: 28px;
}

.line-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 32px;
  color: var(--steel);
  font-weight: 900;
  border-bottom: 3px solid var(--accent);
}

.intro-grid h3,
.product-card h3,
.quote-panel h3,
.article-list h3,
.inquiry h2 {
  margin: 18px 0 8px;
  line-height: 1.28;
}

.intro-grid p,
.product-card p,
.quote-panel p,
.inquiry-copy p {
  margin: 0;
  color: var(--muted);
}

.product-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.product-card {
  min-height: 210px;
  padding: 26px;
  box-shadow: 0 1px 0 rgba(21, 32, 43, 0.03);
}

.product-card span {
  display: inline-flex;
  margin-top: 24px;
  padding-top: 14px;
  color: var(--steel);
  font-size: 13px;
  font-weight: 800;
  border-top: 1px solid var(--line);
}

.pricing-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 24px;
  align-items: start;
}

.factor-list {
  display: grid;
  gap: 14px;
}

.factor-list div {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.factor-list strong {
  color: var(--steel-dark);
}

.factor-list span {
  color: var(--muted);
}

.quote-panel {
  position: sticky;
  top: 96px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.quote-panel .btn {
  width: 100%;
  margin-top: 22px;
}

.scene-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.scene-grid a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 86px;
  padding: 20px;
  color: #233447;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-weight: 800;
}

.scene-grid a::after {
  content: "→";
  color: var(--accent);
  font-size: 20px;
}

.article-list {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.article-list article {
  padding: 24px;
}

.article-list span {
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
}

.article-list h3 {
  font-size: 18px;
}

.inquiry {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(360px, 1fr);
  gap: 44px;
  align-items: start;
  background: var(--steel-dark);
  color: #fff;
}

.inquiry > * {
  width: auto;
  margin: 0;
}

.inquiry-copy h2 {
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.18;
}

.inquiry-copy p {
  color: rgba(255, 255, 255, 0.72);
}

.wechat-box {
  margin-top: 28px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.wechat-box strong,
.wechat-box span {
  display: block;
}

.wechat-box span {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.7);
}

.inquiry-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  padding: 28px;
  color: var(--ink);
  background: #fff;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.inquiry-form label {
  display: grid;
  gap: 8px;
  color: #344457;
  font-size: 14px;
  font-weight: 800;
}

.inquiry-form .full,
.form-note {
  grid-column: 1 / -1;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #cdd7e2;
  border-radius: 8px;
  padding: 12px 13px;
  color: var(--ink);
  background: #fff;
  font: inherit;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--steel);
  outline: 3px solid rgba(31, 93, 122, 0.16);
}

.inquiry-form .btn {
  min-height: 48px;
}

.form-note {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.form-note.is-success {
  color: #167047;
  font-weight: 800;
}

.page-hero {
  position: relative;
  overflow: hidden;
  padding: 92px 40px 84px;
  color: #fff;
  background:
    linear-gradient(120deg, rgba(12, 31, 39, 0.94), rgba(31, 86, 99, 0.86)),
    url("./assets/hero-aluminum-panels.webp") center / cover;
}

.page-hero::after {
  position: absolute;
  right: -120px;
  bottom: -120px;
  width: 360px;
  height: 360px;
  pointer-events: none;
  content: "";
  background: radial-gradient(circle, rgba(183, 121, 42, 0.18), transparent 66%);
}

.page-hero > * {
  width: min(1180px, 100%);
  margin-right: auto;
  margin-left: auto;
}

.page-hero h1 {
  width: min(820px, 100%);
  margin-top: 0;
  margin-bottom: 18px;
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1.12;
  letter-spacing: 0;
}

.page-hero p:not(.eyebrow) {
  width: min(760px, 100%);
  margin-top: 0;
  margin-bottom: 0;
  color: rgba(255, 255, 255, 0.84);
  font-size: 18px;
}

.project-inner-page .page-hero {
  padding-right: max(40px, calc((100vw - 1440px) / 2 + 128px));
  padding-left: max(40px, calc((100vw - 1440px) / 2 + 128px));
}

.project-inner-page .page-hero > * {
  margin-right: 0;
  margin-left: 0;
}

.hero-title-row {
  display: flex;
  gap: 28px;
  align-items: center;
  width: min(1040px, 100%);
  margin-bottom: 18px;
}

.hero-title-row h1 {
  flex: 0 0 auto;
  margin-bottom: 0;
}

.hero-product-label {
  color: rgba(255, 255, 255, 0.86);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: clamp(34px, 4.2vw, 56px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: 0;
  text-transform: uppercase;
  white-space: nowrap;
}

.project-inner-page .page-hero h1,
.project-inner-page .page-hero p:not(.eyebrow) {
  width: min(880px, 100%);
}

.project-inner-page .hero-title-row h1 {
  width: auto;
}

.price-hero {
  background:
    linear-gradient(120deg, rgba(16, 24, 32, 0.94), rgba(31, 93, 122, 0.74)),
    url("./assets/hero-aluminum-panels.webp") center / cover;
}

.path-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.path-card {
  min-height: 230px;
  padding: 26px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 1px 0 rgba(21, 32, 43, 0.03);
}

.path-card,
.product-detail-card,
.price-factor-grid article,
.tool-grid article {
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    border-color 0.18s ease;
}

.path-card:hover,
.product-detail-card:hover,
.price-factor-grid article:hover,
.tool-grid article:hover {
  border-color: rgba(31, 93, 122, 0.36);
  box-shadow: 0 12px 28px rgba(21, 32, 43, 0.09);
  transform: translateY(-2px);
}

.path-card h3 {
  margin: 18px 0 8px;
  line-height: 1.25;
}

.path-card p {
  margin: 0;
  color: var(--muted);
}

.tool-band {
  background: #fff;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.tool-grid article {
  display: grid;
  gap: 8px;
  min-height: 132px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #fff, #f8fafc);
}

.tool-grid strong {
  font-size: 19px;
}

.tool-grid span {
  color: var(--muted);
}

.resource-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.resource-grid article {
  min-height: 190px;
  padding: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.resource-grid strong,
.resource-grid span {
  display: block;
}

.resource-grid strong {
  color: var(--steel-dark);
  font-size: 19px;
  line-height: 1.32;
}

.resource-grid span {
  margin-top: 14px;
  color: var(--muted);
}

.resource-hero {
  padding: 72px 40px;
  background:
    linear-gradient(115deg, rgba(13, 31, 39, 0.97) 0%, rgba(13, 31, 39, 0.91) 52%, rgba(238, 242, 241, 0.52) 52.2%, rgba(238, 242, 241, 0.18) 100%),
    url("./assets/hero-aluminum-panels.webp") center / cover;
}

.resource-hero::after {
  display: none;
}

.resource-hero > * {
  width: min(1180px, 100%);
  margin-right: auto;
  margin-left: auto;
}

.resource-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(340px, 0.5fr);
  gap: 34px;
  align-items: end;
}

.resource-hero-copy h1 {
  width: min(760px, 100%);
}

.resource-hero-copy p {
  width: min(620px, 100%);
}

.resource-hero-index {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 10px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.1), transparent 38%),
    rgba(16, 41, 52, 0.72);
  box-shadow: 0 18px 44px rgba(9, 22, 29, 0.22);
  backdrop-filter: blur(14px);
}

.resource-hero-index a {
  min-height: 78px;
  padding: 13px;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.resource-hero-index a:last-child {
  grid-column: 1 / -1;
}

.resource-hero-index span,
.resource-hero-index strong {
  display: block;
}

.resource-hero-index span {
  color: #d3a15a;
  font-size: 12px;
  font-weight: 900;
}

.resource-hero-index strong {
  margin-top: 6px;
  font-size: 17px;
}

.guide-hero {
  padding: 72px 40px;
  background:
    linear-gradient(115deg, rgba(13, 31, 39, 0.97) 0%, rgba(13, 31, 39, 0.91) 52%, rgba(238, 242, 241, 0.52) 52.2%, rgba(238, 242, 241, 0.18) 100%),
    url("./assets/hero-aluminum-panels.webp") center / cover;
}

.guide-hero::after {
  display: none;
}

.guide-hero > * {
  width: min(1180px, 100%);
  margin-right: auto;
  margin-left: auto;
}

.guide-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(380px, 0.56fr);
  gap: 34px;
  align-items: end;
}

.guide-hero-copy h1 {
  width: min(760px, 100%);
}

.guide-hero-copy p {
  width: min(620px, 100%);
}

.guide-hero-path {
  display: grid;
  gap: 10px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 10px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.1), transparent 38%),
    rgba(16, 41, 52, 0.72);
  box-shadow: 0 18px 44px rgba(9, 22, 29, 0.22);
  backdrop-filter: blur(14px);
}

.guide-hero-path article {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) minmax(100px, 0.75fr);
  gap: 12px;
  align-items: center;
  min-height: 58px;
  padding: 11px 12px;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.guide-hero-path span {
  color: #d3a15a;
  font-size: 12px;
  font-weight: 900;
}

.guide-hero-path strong {
  font-size: 17px;
}

.guide-hero-path em {
  color: rgba(255, 255, 255, 0.66);
  font-style: normal;
  text-align: right;
}

.manufacturer-hero {
  padding: 72px 40px;
  background:
    linear-gradient(115deg, rgba(13, 31, 39, 0.97) 0%, rgba(13, 31, 39, 0.91) 52%, rgba(238, 242, 241, 0.52) 52.2%, rgba(238, 242, 241, 0.18) 100%),
    url("./assets/hero-aluminum-panels.webp") center / cover;
}

.manufacturer-hero::after {
  display: none;
}

.manufacturer-hero > * {
  width: min(1180px, 100%);
  margin-right: auto;
  margin-left: auto;
}

.manufacturer-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(320px, 0.45fr);
  gap: 34px;
  align-items: end;
}

.manufacturer-hero-copy h1 {
  width: min(760px, 100%);
}

.manufacturer-hero-copy p {
  width: min(620px, 100%);
}

.manufacturer-status-panel {
  padding: 22px;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 10px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.1), transparent 38%),
    rgba(16, 41, 52, 0.72);
  box-shadow: 0 18px 44px rgba(9, 22, 29, 0.22);
  backdrop-filter: blur(14px);
}

.manufacturer-status-panel strong,
.manufacturer-status-panel span {
  display: block;
}

.manufacturer-status-panel strong {
  color: rgba(255, 255, 255, 0.72);
}

.manufacturer-status-panel span {
  margin-top: 14px;
  color: #d3a15a;
  font-size: 36px;
  font-weight: 900;
  line-height: 1;
}

.manufacturer-status-panel p {
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.72);
}

.manufacturer-region-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.manufacturer-region-grid article {
  min-height: 178px;
  padding: 22px;
  background:
    linear-gradient(135deg, transparent 0%, transparent 62%, rgba(33, 96, 111, 0.06) 62.4%, rgba(33, 96, 111, 0.02) 100%),
    rgba(255, 255, 255, 0.98);
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
}

.manufacturer-region-grid span,
.manufacturer-region-grid strong,
.manufacturer-region-grid em {
  display: block;
}

.manufacturer-region-grid span {
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 900;
}

.manufacturer-region-grid strong {
  margin-top: 12px;
  color: var(--steel-dark);
  font-size: 20px;
  line-height: 1.3;
}

.manufacturer-region-grid em {
  margin-top: 10px;
  color: var(--muted);
  font-style: normal;
  line-height: 1.6;
}

.manufacturer-province-grid {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.manufacturer-province-grid button {
  display: grid;
  flex: 1 0 132px;
  min-width: 132px;
  min-height: 72px;
  align-content: center;
  gap: 6px;
  padding: 0 18px;
  color: var(--steel-dark);
  text-align: left;
  background:
    linear-gradient(135deg, transparent 0%, transparent 60%, rgba(0, 84, 96, 0.06) 60.4%, rgba(0, 84, 96, 0.02) 100%),
    #fff;
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
  cursor: pointer;
  transition:
    color 0.18s ease,
    background 0.18s ease,
    border-color 0.18s ease,
    box-shadow 0.18s ease,
    transform 0.18s ease;
}

.manufacturer-province-grid button:hover,
.manufacturer-province-grid button:focus-visible {
  color: #005460;
  background:
    linear-gradient(135deg, rgba(0, 84, 96, 0.1), transparent 62%),
    #eefaf7;
  border-color: rgba(0, 84, 96, 0.3);
  box-shadow: 0 16px 34px rgba(0, 84, 96, 0.12);
  transform: translateY(-1px);
  outline: none;
}

.manufacturer-province-grid span {
  display: block;
  color: #005460;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  font-weight: 900;
  line-height: 1.1;
}

.manufacturer-province-grid strong {
  display: block;
  font-size: 18px;
  line-height: 1.25;
}

.manufacturer-province-grid button.is-active {
  color: #fff;
  background:
    linear-gradient(135deg, rgba(211, 161, 90, 0.2), transparent 62%),
    #005460;
  border-color: rgba(0, 84, 96, 0.42);
}

.manufacturer-province-grid button.is-expanded {
  color: #fff;
  background:
    linear-gradient(135deg, rgba(211, 161, 90, 0.18), transparent 62%),
    #005460;
  border-color: rgba(0, 84, 96, 0.42);
}

.manufacturer-province-grid button.is-active:hover,
.manufacturer-province-grid button.is-active:focus-visible,
.manufacturer-province-grid button.is-expanded:hover,
.manufacturer-province-grid button.is-expanded:focus-visible {
  background:
    linear-gradient(135deg, rgba(211, 161, 90, 0.26), transparent 62%),
    #006674;
  border-color: rgba(211, 161, 90, 0.42);
  box-shadow: 0 18px 38px rgba(0, 84, 96, 0.2);
}

.manufacturer-province-grid button.is-active span,
.manufacturer-province-grid button.is-active strong,
.manufacturer-province-grid button.is-expanded span,
.manufacturer-province-grid button.is-expanded strong {
  color: #fff;
}

.manufacturer-province-more-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
  overflow: visible;
  margin-top: 12px;
}

.manufacturer-province-more-grid[hidden] {
  display: none;
}

.manufacturer-directory-section {
  display: grid;
  gap: 18px;
}

.manufacturer-province-panels {
  display: grid;
  gap: 16px;
}

.manufacturer-province-panel {
  display: grid;
  gap: 16px;
}

.manufacturer-province-panel[hidden] {
  display: none;
}

.manufacturer-table-wrap {
  background: #fff;
}

.manufacturer-directory-table {
  min-width: 760px;
}

.manufacturer-directory-table th,
.manufacturer-directory-table td {
  vertical-align: top;
}

.manufacturer-empty-row td {
  color: #3f484a;
  font-weight: 700;
  text-align: center;
  background: #f8fafb;
}

.manufacturer-intake-grid {
  margin-top: 24px;
}

.manufacturer-intake-form .inner-button {
  width: fit-content;
  border: 0;
  cursor: pointer;
}

.manufacturer-final-actions {
  margin-top: 0;
}

.manufacturer-final-actions .inner-button.secondary {
  color: #005460;
  background: #e7f5f2;
  border-color: rgba(0, 84, 96, 0.18);
}

.process-flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.process-flow article {
  position: relative;
  min-height: 158px;
  padding: 22px;
  overflow: hidden;
  background:
    linear-gradient(135deg, transparent 0%, transparent 62%, rgba(33, 96, 111, 0.06) 62.4%, rgba(33, 96, 111, 0.02) 100%),
    #fff;
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
}

.process-flow article::after {
  content: "";
  position: absolute;
  right: -16px;
  bottom: -16px;
  width: 74px;
  height: 74px;
  background: rgba(31, 93, 122, 0.08);
  border-radius: 999px;
}

.process-flow span,
.process-flow strong,
.process-flow em {
  display: block;
}

.process-flow span {
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
}

.process-flow strong {
  margin-top: 8px;
  color: var(--steel-dark);
  font-size: 20px;
}

.process-flow em {
  margin-top: 10px;
  color: var(--muted);
  font-style: normal;
}

.structure-layout,
.node-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 28px;
  align-items: stretch;
}

.panel-diagram,
.node-diagram {
  position: relative;
  min-height: 460px;
  padding: 28px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(31, 93, 122, 0.1), rgba(215, 131, 33, 0.07)),
    #fff;
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
}

.panel-face {
  position: absolute;
  inset: 92px 92px 72px 82px;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 25px;
  font-weight: 900;
  background: linear-gradient(135deg, #8d9ca8, #52616c);
  border: 4px solid #cbd4dc;
  box-shadow: 18px 18px 0 rgba(16, 56, 78, 0.16);
}

.panel-edge,
.rib,
.corner,
.coating {
  position: absolute;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 13px;
  font-weight: 900;
  border-radius: 6px;
}

.edge-top {
  top: 56px;
  left: 116px;
  right: 122px;
  height: 34px;
  background: var(--steel);
}

.edge-left {
  top: 96px;
  bottom: 92px;
  left: 42px;
  width: 34px;
  background: var(--steel);
  writing-mode: vertical-rl;
}

.rib {
  left: 150px;
  right: 150px;
  height: 24px;
  background: var(--accent);
}

.rib-one {
  top: 180px;
}

.rib-two {
  top: 270px;
}

.corner {
  width: 58px;
  height: 42px;
  background: #263746;
}

.corner-one {
  right: 68px;
  top: 104px;
}

.corner-two {
  right: 68px;
  bottom: 82px;
}

.coating {
  left: 112px;
  right: 128px;
  bottom: 34px;
  height: 26px;
  color: var(--steel-dark);
  background: #e9edf0;
}

.structure-notes,
.node-points {
  display: grid;
  gap: 14px;
}

.structure-notes article,
.node-points article {
  padding: 22px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(249, 251, 251, 0.98));
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
}

.structure-notes strong,
.structure-notes span,
.node-points strong,
.node-points span {
  display: block;
}

.structure-notes strong,
.node-points strong {
  color: var(--steel-dark);
  font-size: 18px;
}

.structure-notes span,
.node-points span {
  margin-top: 8px;
  color: var(--muted);
}

.wall,
.keel,
.sub-keel,
.bracket,
.node-panel,
.sealant,
.label {
  position: absolute;
  display: grid;
  place-items: center;
  font-weight: 900;
  border-radius: 6px;
}

.wall {
  left: 40px;
  top: 54px;
  bottom: 54px;
  width: 96px;
  color: #fff;
  background: repeating-linear-gradient(45deg, #8c969f 0, #8c969f 10px, #78838d 10px, #78838d 20px);
}

.keel {
  left: 184px;
  top: 70px;
  bottom: 70px;
  width: 46px;
  color: #fff;
  background: var(--steel-dark);
  writing-mode: vertical-rl;
}

.sub-keel {
  left: 230px;
  right: 100px;
  top: 178px;
  height: 34px;
  color: #fff;
  background: var(--steel);
}

.bracket {
  left: 136px;
  top: 194px;
  width: 92px;
  height: 52px;
  color: var(--steel-dark);
  background: #dce5eb;
  border: 2px solid var(--steel);
}

.node-panel {
  right: 48px;
  top: 110px;
  bottom: 104px;
  width: 88px;
  color: #fff;
  background: linear-gradient(135deg, #9aa7b2, #586774);
  box-shadow: -12px 0 0 rgba(215, 131, 33, 0.22);
  writing-mode: vertical-rl;
}

.sealant {
  right: 144px;
  top: 110px;
  bottom: 104px;
  width: 20px;
  color: var(--steel-dark);
  background: var(--accent);
  font-size: 12px;
  writing-mode: vertical-rl;
}

.label {
  min-height: 34px;
  padding: 0 12px;
  color: var(--steel-dark);
  background: #fff;
  border: 1px solid var(--line);
  font-size: 13px;
}

.label-a {
  left: 92px;
  bottom: 42px;
}

.label-b {
  left: 170px;
  top: 250px;
}

.ral-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.ral-grid article {
  display: grid;
  gap: 10px;
  padding: 16px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(249, 251, 251, 0.98));
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
}

.ral-grid span {
  height: 86px;
  background: var(--swatch);
  border: 1px solid rgba(21, 32, 43, 0.12);
  border-radius: 6px;
}

.ral-grid strong {
  color: var(--steel-dark);
}

.ral-grid em {
  color: var(--muted);
  font-style: normal;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  min-width: 0;
}

.product-hub-hero {
  padding: 72px 40px;
  background:
    linear-gradient(115deg, rgba(13, 31, 39, 0.96) 0%, rgba(13, 31, 39, 0.9) 50%, rgba(238, 242, 241, 0.5) 50.2%, rgba(238, 242, 241, 0.16) 100%),
    url("./assets/hero-aluminum-panels.webp") center / cover;
}

.product-hub-hero::after {
  display: none;
}

.product-hub-hero > * {
  width: min(1180px, 100%);
  margin-right: auto;
  margin-left: auto;
}

.product-hub-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(280px, 0.42fr);
  gap: 34px;
  align-items: end;
}

.product-hero-copy h1 {
  width: min(760px, 100%);
}

.product-hero-copy p {
  width: min(600px, 100%);
}

.product-hero-panel {
  padding: 22px;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 10px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.1), transparent 38%),
    rgba(16, 41, 52, 0.72);
  box-shadow: 0 18px 44px rgba(9, 22, 29, 0.22);
  backdrop-filter: blur(14px);
}

.product-hero-panel strong {
  display: block;
  margin-bottom: 16px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 15px;
}

.product-hero-panel div {
  display: grid;
  gap: 9px;
}

.product-hero-panel span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 11px 12px;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  font-weight: 800;
}

.product-hero-panel span::after {
  width: 7px;
  height: 7px;
  content: "";
  border-radius: 50%;
  background: var(--accent);
}

.product-catalog-section {
  padding-top: 62px;
}

.product-catalog-section .section-heading {
  margin-bottom: 24px;
}

.product-detail-card {
  min-width: 0;
  min-height: 318px;
  padding: 16px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(249, 251, 251, 0.98));
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
}

.product-visual {
  position: relative;
  height: 138px;
  margin-bottom: 18px;
  overflow: hidden;
  background: #dfe8ed;
  border: 1px solid rgba(17, 24, 39, 0.1);
  border-radius: 8px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.46), 0 10px 22px rgba(17, 24, 39, 0.06);
}

.product-visual::before,
.product-visual::after {
  position: absolute;
  content: "";
}

.product-visual-fluorocarbon {
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.6), transparent 45%),
    linear-gradient(90deg, #cfd8dd, #8fa1aa);
}

.product-visual-fluorocarbon::before {
  inset: 22px 28px;
  border: 2px solid rgba(255, 255, 255, 0.75);
}

.product-visual-perforated {
  background:
    radial-gradient(circle, rgba(16, 24, 32, 0.5) 0 4px, transparent 5px) 0 0 / 22px 22px,
    linear-gradient(135deg, #dfe7ec, #9aadb7);
}

.product-visual-carved {
  background:
    radial-gradient(circle at 25% 50%, transparent 0 18px, rgba(55, 91, 110, 0.32) 19px 23px, transparent 24px),
    radial-gradient(circle at 55% 50%, transparent 0 18px, rgba(55, 91, 110, 0.32) 19px 23px, transparent 24px),
    linear-gradient(135deg, #e5ecef, #b7c5cc);
}

.product-visual-wood {
  background:
    repeating-linear-gradient(12deg, rgba(92, 57, 31, 0.18) 0 6px, transparent 7px 16px),
    linear-gradient(135deg, #b98955, #e2c094);
}

.product-visual-stone {
  background:
    linear-gradient(120deg, transparent 0 30%, rgba(255, 255, 255, 0.45) 31% 33%, transparent 34%),
    linear-gradient(35deg, transparent 0 48%, rgba(82, 86, 90, 0.18) 49% 51%, transparent 52%),
    linear-gradient(135deg, #d8d6d1, #a8a39b);
}

.product-visual-hyperbolic {
  background:
    radial-gradient(ellipse at 35% 45%, rgba(255, 255, 255, 0.7) 0 24%, transparent 25%),
    linear-gradient(135deg, #d9e3e7, #8097a5);
}

.product-visual-hyperbolic::before {
  inset: 20px 26px;
  border-top: 3px solid rgba(255, 255, 255, 0.75);
  border-bottom: 3px solid rgba(31, 93, 122, 0.28);
  border-radius: 50%;
  transform: skewX(-14deg);
}

.product-detail-card h2 {
  margin: 0 0 10px;
  color: var(--steel-dark);
  font-size: 23px;
  line-height: 1.25;
}

.product-detail-card p {
  margin: 0;
  color: var(--muted);
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.product-detail-card .text-link {
  display: inline-flex;
  align-items: center;
  margin-top: 18px;
  padding-top: 13px;
  color: var(--accent-dark);
  border-top: 1px solid rgba(17, 24, 39, 0.08);
}

.product-detail-card .text-link::after {
  margin-left: 8px;
  content: "→";
}

.product-detail-card dl {
  display: grid;
  gap: 10px;
  margin: 22px 0;
}

.product-detail-card dl div {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.product-detail-card dt {
  color: var(--steel-dark);
  font-weight: 900;
}

.product-detail-card dd {
  margin: 0;
  color: var(--muted);
}

.check-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.check-grid span {
  display: flex;
  align-items: center;
  min-height: 58px;
  padding: 14px 16px;
  color: var(--steel-dark);
  font-weight: 900;
  background: var(--soft);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.check-grid span::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-right: 10px;
  background: var(--accent);
  border-radius: 999px;
}

.price-factor-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.price-factor-grid article {
  min-height: 180px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.price-factor-grid strong,
.price-factor-grid span {
  display: block;
}

.price-factor-grid strong {
  color: var(--steel-dark);
  font-size: 20px;
}

.price-factor-grid span {
  margin-top: 12px;
  color: var(--muted);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.price-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

.price-table th,
.price-table td {
  padding: 18px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.price-table th {
  color: var(--steel-dark);
  background: #eef4f7;
}

.price-table td {
  color: #344457;
}

.price-table tr:last-child td {
  border-bottom: 0;
}

.calculator-preview {
  background: #fff;
}

.mini-calc {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  align-items: end;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.mini-calc label {
  display: grid;
  gap: 8px;
  color: #344457;
  font-size: 14px;
  font-weight: 800;
}

.standalone-inquiry {
  min-height: calc(100vh - 72px);
}

.standalone-inquiry h1 {
  margin: 0 0 18px;
  font-size: clamp(32px, 4vw, 48px);
  line-height: 1.16;
  letter-spacing: 0;
}

.inquiry-tips {
  margin-top: 18px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.06);
}

.inquiry-tips strong,
.inquiry-tips span {
  display: block;
}

.inquiry-tips span {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.7);
}

.final-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  color: #fff;
  background:
    radial-gradient(circle at 82% 18%, rgba(183, 121, 42, 0.22), transparent 26%),
    linear-gradient(135deg, #0f2530, #1f5b68);
}

.final-cta > * {
  width: auto;
  margin: 0;
}

.final-cta h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.18;
  letter-spacing: 0;
}

.final-cta p:not(.eyebrow) {
  max-width: 720px;
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.72);
}

.footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 32px 40px;
  color: rgba(255, 255, 255, 0.76);
  background: #0f171d;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer p {
  margin: 6px 0 0;
}

.footer strong,
.footer a {
  color: #fff;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px 18px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.86);
  text-decoration: none;
}

.market-board {
  min-height: calc(100vh - 76px);
  padding: 34px 40px 36px;
  background:
    linear-gradient(132deg, rgba(16, 41, 52, 0.97) 0%, rgba(16, 41, 52, 0.94) 45%, rgba(238, 242, 241, 0.98) 45.2%, rgba(247, 249, 248, 0.98) 100%),
    url("./assets/hero-aluminum-panels.webp") center / cover;
}

.market-board > * {
  width: min(1180px, 100%);
  margin-right: auto;
  margin-left: auto;
}

.market-frame {
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 26px 70px rgba(10, 22, 29, 0.18);
  backdrop-filter: blur(14px);
}

.market-topline {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(280px, 0.46fr);
  gap: 24px;
  align-items: start;
  margin-bottom: 24px;
}

.market-title-block {
  max-width: 620px;
  padding-top: 8px;
}

.market-topline h1 {
  margin: 0;
  color: #fff;
  font-size: clamp(38px, 5vw, 66px);
  line-height: 1.04;
}

.market-topline p:not(.eyebrow) {
  max-width: 480px;
  margin: 14px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 18px;
}

.market-meta {
  display: grid;
  gap: 9px;
  justify-items: end;
  color: rgba(16, 41, 52, 0.74);
  font-size: 13px;
}

.market-meta span {
  display: inline-flex;
  justify-content: flex-end;
  width: fit-content;
  max-width: 100%;
  padding: 7px 11px;
  border: 1px solid rgba(16, 41, 52, 0.08);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  font-weight: 800;
}

.market-meta .btn {
  min-width: 132px;
  margin-top: 2px;
}

.market-dashboard {
  display: grid;
  grid-template-columns: minmax(280px, 0.44fr) minmax(0, 0.7fr);
  gap: 16px;
  align-items: stretch;
}

.ingot-card,
.thickness-board {
  border-radius: 10px;
}

.ingot-card {
  min-height: 310px;
  padding: 26px;
  color: #fff;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.12), transparent 38%),
    linear-gradient(135deg, rgba(12, 31, 40, 0.98), rgba(29, 89, 103, 0.9));
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 18px 44px rgba(9, 22, 29, 0.2);
}

.card-label {
  display: block;
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
  font-weight: 900;
}

.ingot-card strong {
  display: block;
  margin-top: 18px;
  color: #fff;
  font-size: clamp(42px, 5vw, 64px);
  line-height: 0.96;
}

.ingot-card em {
  display: block;
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.66);
  font-style: normal;
}

.ingot-change {
  display: inline-flex;
  margin-top: 22px;
  padding: 8px 12px;
  border-radius: 999px;
  font-weight: 900;
}

.ingot-change.neutral {
  color: #ffe0aa;
  background: rgba(183, 121, 42, 0.18);
  border: 1px solid rgba(255, 224, 170, 0.24);
}

.ingot-card p {
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.72);
}

.thickness-board {
  padding: 20px;
  background: rgba(255, 255, 255, 0.93);
  border: 1px solid rgba(17, 24, 39, 0.08);
  box-shadow: 0 18px 44px rgba(17, 24, 39, 0.08);
}

.board-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.board-title h2 {
  margin: 0;
  color: var(--steel-dark);
  font-size: 24px;
}

.board-title span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.thickness-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.thickness-grid article {
  position: relative;
  min-height: 136px;
  padding: 19px;
  overflow: hidden;
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 8px;
  background:
    linear-gradient(135deg, transparent 0%, transparent 58%, rgba(33, 96, 111, 0.07) 58.4%, rgba(33, 96, 111, 0.02) 100%),
    #fff;
  box-shadow: 0 10px 24px rgba(17, 24, 39, 0.05);
}

.thickness-grid article::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  content: "";
  background: linear-gradient(90deg, var(--steel), var(--accent));
}

.thickness-grid strong,
.thickness-grid span,
.thickness-grid em {
  display: block;
}

.thickness-grid strong {
  color: var(--steel-dark);
  font-size: 30px;
  line-height: 1;
}

.thickness-grid span {
  margin-top: 26px;
  color: var(--accent-dark);
  font-weight: 900;
}

.thickness-grid em {
  margin-top: 8px;
  color: var(--muted);
  font-style: normal;
}

.market-bottomline {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 16px;
  padding: 13px;
  color: #2a3741;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 10px;
  box-shadow: 0 12px 30px rgba(17, 24, 39, 0.06);
}

.mini-link {
  display: inline-flex;
  margin-top: 12px;
  color: var(--steel);
  font-weight: 900;
}

.market-note {
  flex: 1;
  margin: 0;
  color: #27313b;
  font-weight: 800;
  line-height: 1.58;
}

.market-quick-actions {
  display: flex;
  flex: 0 0 auto;
  gap: 8px;
}

.market-quick-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 14px;
  border-radius: 8px;
  font-weight: 900;
}

.market-quick-actions a:first-child {
  color: var(--steel-dark);
  background: #eef4f7;
}

.market-quick-actions a:last-child {
  color: #fff;
  background: var(--accent);
}

.compact-section {
  padding-top: 64px;
  padding-bottom: 64px;
}

.decision-panel-section {
  padding-top: 46px;
  padding-bottom: 56px;
}

.decision-panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.decision-panel > article {
  min-height: 210px;
  padding: 24px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(249, 251, 251, 0.98));
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
}

.decision-panel h3 {
  margin: 0 0 18px;
  color: var(--steel-dark);
  font-size: 22px;
  line-height: 1.32;
}

.compact-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.compact-chip-list span {
  padding: 8px 10px;
  color: #263640;
  background: #f3f6f7;
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
}

.compact-risk-list {
  display: grid;
  gap: 10px;
}

.compact-risk-list article {
  padding: 0 0 10px;
  background: transparent;
  border: 0;
  border-bottom: 1px solid rgba(17, 24, 39, 0.08);
  box-shadow: none;
}

.compact-risk-list article:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.compact-risk-list strong,
.compact-risk-list span {
  display: block;
}

.compact-risk-list strong {
  color: var(--ink);
  font-size: 15px;
}

.compact-risk-list span {
  margin-top: 2px;
  color: var(--muted);
  font-size: 13px;
}

.risk-grid,
.decision-grid,
.support-grid,
.standard-panel {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.decision-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.support-grid,
.standard-panel {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.standard-panel {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.risk-grid article,
.decision-grid article,
.support-grid article,
.standard-panel article {
  padding: 22px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(249, 251, 251, 0.98));
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
}

.risk-grid strong,
.risk-grid span,
.decision-grid strong,
.decision-grid span,
.support-grid strong,
.support-grid span,
.standard-panel strong,
.standard-panel span {
  display: block;
}

.risk-grid strong,
.decision-grid strong,
.support-grid strong,
.standard-panel strong {
  color: var(--steel-dark);
  font-size: 18px;
}

.risk-grid span,
.decision-grid span,
.support-grid span,
.standard-panel span {
  margin-top: 8px;
  color: var(--muted);
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tag-cloud span {
  padding: 10px 14px;
  color: #17313a;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 999px;
  box-shadow: 0 6px 18px rgba(17, 24, 39, 0.04);
  font-weight: 900;
}

.guide-category-row {
  counter-reset: guide-step;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.guide-category-row a {
  counter-increment: guide-step;
  display: grid;
  gap: 8px;
  align-items: center;
  min-height: 92px;
  padding: 16px;
  color: var(--steel-dark);
  text-decoration: none;
  background:
    linear-gradient(135deg, transparent 0%, transparent 62%, rgba(33, 96, 111, 0.06) 62.4%, rgba(33, 96, 111, 0.02) 100%),
    rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: 8px;
  box-shadow: var(--shadow-soft);
  font-weight: 900;
}

.guide-category-row a::before {
  content: "0" counter(guide-step);
  color: var(--accent-dark);
  font-size: 13px;
}

.guide-grid,
.guide-preview-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.guide-card,
.guide-preview-grid article {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 230px;
  padding: 22px;
  overflow: hidden;
  background:
    linear-gradient(135deg, transparent 0%, transparent 62%, rgba(33, 96, 111, 0.06) 62.4%, rgba(33, 96, 111, 0.02) 100%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(249, 251, 251, 0.98));
  border: 1px solid rgba(17, 24, 39, 0.08);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.guide-card span,
.guide-preview-grid span {
  display: block;
}

.guide-card > span {
  width: fit-content;
  margin-bottom: 14px;
  padding: 6px 10px;
  font-size: 13px;
  font-weight: 900;
  color: var(--accent-dark);
  background: rgba(183, 121, 42, 0.1);
  border-radius: 999px;
}

.guide-card h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.35;
}

.guide-card p {
  margin: 12px 0 18px;
  color: var(--muted);
}

.guide-card a {
  display: inline-flex;
  align-items: center;
  margin-top: auto;
  padding-top: 12px;
  color: var(--accent-dark);
  border-top: 1px solid rgba(17, 24, 39, 0.08);
  font-weight: 800;
  text-decoration: none;
}

.guide-card a::after {
  margin-left: 8px;
  content: "→";
}

.guide-preview-grid strong {
  display: block;
  margin-bottom: 8px;
  font-size: 18px;
}

.guide-preview-grid span {
  color: var(--muted);
  line-height: 1.7;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  width: min(1180px, 100%);
  margin: 26px auto 0;
}

.quote-hero {
  padding: 72px 40px;
  color: #fff;
  background:
    linear-gradient(115deg, rgba(13, 31, 39, 0.97) 0%, rgba(13, 31, 39, 0.91) 52%, rgba(238, 242, 241, 0.52) 52.2%, rgba(238, 242, 241, 0.18) 100%),
    url("./assets/hero-aluminum-panels.webp") center / cover;
}

.quote-hero > * {
  width: min(1180px, 100%);
  max-width: none;
  margin-right: auto;
  margin-left: auto;
}

.quote-hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(330px, 0.42fr);
  gap: 34px;
  align-items: end;
}

.quote-copy {
  width: min(760px, 100%);
}

.quote-copy h1 {
  margin: 0;
  font-size: clamp(36px, 5vw, 58px);
  line-height: 1.12;
}

.quote-copy p:not(.eyebrow) {
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 18px;
}

.quote-flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 26px;
}

.quote-flow article {
  min-height: 108px;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.quote-flow span,
.quote-flow strong,
.quote-flow em {
  display: block;
}

.quote-flow span {
  color: #d3a15a;
  font-size: 12px;
  font-weight: 900;
}

.quote-flow strong {
  margin-top: 8px;
  color: #fff;
  font-size: 18px;
}

.quote-flow em {
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 13px;
  font-style: normal;
}

.quote-side {
  align-self: start;
  max-width: 390px;
  padding: 22px;
  color: #fff;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.1), transparent 38%),
    rgba(16, 41, 52, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 10px;
  box-shadow: 0 18px 44px rgba(9, 22, 29, 0.22);
  backdrop-filter: blur(14px);
}

.quote-side strong,
.quote-side span {
  display: block;
}

.quote-side strong {
  color: #fff;
  font-size: 22px;
}

.quote-side span {
  display: grid;
  place-items: center;
  min-height: 150px;
  margin-top: 18px;
  color: rgba(255, 255, 255, 0.72);
  border: 1px dashed rgba(255, 255, 255, 0.28);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  font-weight: 800;
}

.quote-side p {
  margin: 16px 0 0;
  color: rgba(255, 255, 255, 0.7);
}

.wechat-checklist {
  display: grid;
  gap: 8px;
  margin-top: 16px;
}

.wechat-checklist em,
.wechat-checklist b {
  display: block;
}

.wechat-checklist em {
  color: #d3a15a;
  font-style: normal;
  font-weight: 900;
}

.wechat-checklist b {
  padding: 10px 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  font-size: 14px;
}

.quote-material-section {
  padding-top: 58px;
  padding-bottom: 58px;
}

.resource-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  width: min(1280px, calc(100% - 80px));
  margin: 34px auto 0;
}

.resource-toc {
  position: sticky;
  top: 96px;
  display: grid;
  gap: 8px;
  padding: 14px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.07), transparent 38%),
    var(--steel-dark);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  box-shadow: 0 18px 44px rgba(9, 22, 29, 0.14);
}

.resource-toc a {
  padding: 10px 12px;
  color: rgba(255, 255, 255, 0.82);
  border-radius: 6px;
  font-weight: 800;
}

.resource-toc a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.resource-toc a:last-child {
  color: #fff;
  background: var(--accent);
}

.resource-content .section {
  width: 100%;
  padding-top: 48px;
  padding-right: 0;
  padding-left: 0;
}

.mobile-action-bar {
  display: none;
}

.portal-home-page {
  min-width: 0;
  padding-top: 64px;
  color: #161d1f;
  background: #f4fafd;
  font-family:
    "PingFang SC", "Microsoft YaHei", "Open Sans", system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.portal-home-page a {
  text-decoration: none;
}

.portal-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 30;
  display: grid;
  grid-template-columns: 214px minmax(360px, 1fr) 260px 128px 56px;
  gap: 16px;
  align-items: stretch;
  height: 64px;
  padding: 0 48px;
  background: #fff;
  border-bottom: 1px solid #d9e1e5;
}

.portal-brand {
  display: flex;
  align-items: center;
  color: #005460;
  font-size: 24px;
  font-weight: 900;
  letter-spacing: 0;
}

.portal-nav {
  display: flex;
  align-items: stretch;
  gap: 26px;
  min-width: 0;
}

.portal-nav a {
  position: relative;
  display: flex;
  align-items: center;
  min-width: 58px;
  color: #161d1f;
  font-size: 11px;
  font-weight: 800;
  line-height: 1.18;
}

.portal-nav a.is-active::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 3px;
  content: "";
  background: #005460;
}

.portal-search {
  display: flex;
  align-items: center;
  margin: 12px 0;
  overflow: hidden;
  border: 1px solid #9ba8ad;
  border-radius: 3px;
  background: #f9fbfc;
}

.portal-search input {
  height: 100%;
  padding: 0 12px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: #3f484a;
  font-size: 14px;
}

.portal-search button {
  display: grid;
  place-items: center;
  width: 40px;
  height: 100%;
  border: 0;
  color: #68767a;
  background: transparent;
  font-size: 23px;
  cursor: pointer;
}

.portal-submit {
  display: grid;
  place-items: center;
  margin: 8px 0;
  color: #fff;
  background: #005460;
  border-radius: 2px;
  font-size: 11px;
  font-weight: 900;
  line-height: 1.2;
  text-align: center;
}

.portal-icons {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  color: #3f484a;
  font-size: 20px;
}

.portal-main {
  width: min(1280px, 100%);
  margin: 0 auto;
  padding: 32px 48px 56px;
}

.portal-top-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 16px;
  align-items: start;
}

.portal-lead-card {
  position: relative;
  grid-column: span 8;
  height: 444px;
  min-height: 0;
  overflow: hidden;
  border-radius: 8px;
  background: #0d252c;
}

.portal-lead-card img {
  width: 100%;
  height: 444px;
  min-height: 0;
  object-fit: cover;
}

.portal-lead-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.08) 0%, rgba(0, 0, 0, 0.76) 100%),
    linear-gradient(90deg, rgba(0, 0, 0, 0.32), transparent 56%);
}

.portal-lead-content {
  position: absolute;
  right: 32px;
  bottom: 42px;
  left: 32px;
  color: #fff;
}

.portal-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.portal-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 0 8px;
  color: #fff;
  background: rgba(0, 84, 96, 0.9);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.portal-tags span + span {
  background: rgba(255, 255, 255, 0.16);
}

.portal-lead-content h1 {
  max-width: 760px;
  margin: 0;
  font-size: 32px;
  line-height: 1.25;
  letter-spacing: 0;
}

.portal-lead-content p {
  max-width: 790px;
  margin: 14px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: 16px;
  line-height: 1.75;
}

.portal-inquiry-card {
  grid-column: span 4;
  display: grid;
  align-content: start;
  gap: 16px;
  height: 444px;
  min-height: 0;
  padding: 25px;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
}

.portal-inquiry-card h2 {
  display: flex;
  gap: 8px;
  align-items: center;
  margin: 0;
  color: #161d1f;
  font-size: 20px;
  line-height: 1.4;
}

.portal-inquiry-card h2 span {
  color: #005460;
}

.portal-inquiry-card p {
  margin: 0;
  color: #3f484a;
  font-size: 16px;
  line-height: 1.5;
}

.portal-inquiry-card form {
  display: grid;
  gap: 16px;
  margin-top: 8px;
}

.portal-inquiry-card label {
  display: grid;
  gap: 4px;
  color: #3f484a;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.6px;
}

.portal-inquiry-card input,
.portal-inquiry-card select {
  height: 38px;
  padding: 0 12px;
  color: #161d1f;
  border: 1px solid #6b7280;
  border-radius: 4px;
  background: #fff;
  font-size: 14px;
}

.portal-quantity {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 64px;
}

.portal-quantity input {
  border-radius: 4px 0 0 4px;
}

.portal-quantity select {
  border-left: 0;
  border-radius: 0 4px 4px 0;
  background: #f4f7f8;
  font-size: 12px;
  font-weight: 800;
}

.portal-form-button {
  display: grid;
  place-items: center;
  min-height: 48px;
  margin-top: 8px;
  color: #fff;
  background: #005460;
  border-radius: 4px;
  font-size: 16px;
  font-weight: 800;
}

.portal-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  margin-top: 32px;
  padding: 33px 0 32px;
  border-top: 1px solid #dce5e9;
}

.portal-column {
  display: grid;
  align-content: start;
  gap: 24px;
}

.portal-column-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-left: 16px;
  border-left: 4px solid #005460;
}

.portal-column-head h2 {
  margin: 0;
  color: #161d1f;
  font-size: 20px;
  line-height: 1.4;
}

.portal-column-head a {
  color: #005460;
  font-size: 16px;
  font-weight: 800;
}

.portal-news-item {
  display: grid;
  gap: 4px;
}

.portal-news-item time {
  color: #005460;
  font-size: 16px;
  font-weight: 800;
}

.portal-news-item h3 {
  margin: 0;
  color: #161d1f;
  font-size: 16px;
  line-height: 1.5;
}

.portal-news-item p {
  margin: 0;
  color: #3f484a;
  font-size: 16px;
  line-height: 1.5;
}

.portal-product-row {
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
  padding: 12px;
  border-radius: 4px;
}

.portal-product-row img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border: 1px solid #e5e7eb;
  border-radius: 2px;
}

.portal-product-row strong,
.portal-product-row em {
  display: block;
}

.portal-product-row strong {
  color: #161d1f;
  font-size: 16px;
  line-height: 1.35;
}

.portal-product-row em {
  margin-top: 4px;
  color: #3f484a;
  font-size: 13px;
  font-style: normal;
  line-height: 1.45;
}

.portal-standard-card {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 12px;
  padding: 16px;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 4px;
  box-shadow: 0 1px 2px rgba(17, 24, 39, 0.04);
}

.portal-standard-card span {
  color: #0aa06e;
  font-size: 20px;
  line-height: 1.2;
}

.portal-standard-card strong,
.portal-standard-card em {
  display: block;
}

.portal-standard-card strong {
  color: #161d1f;
  font-size: 16px;
  line-height: 1.35;
}

.portal-standard-card em {
  grid-column: 2;
  color: #3f484a;
  font-size: 13px;
  font-style: normal;
  line-height: 1.45;
}

.portal-market {
  margin-top: 18px;
  padding-top: 28px;
}

.portal-market-title {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.portal-market-title h2,
.portal-knowledge h2 {
  margin: 0;
  color: #161d1f;
  font-size: 32px;
  line-height: 1.2;
}

.portal-market-title p {
  margin: 4px 0 0;
  color: #3f484a;
  font-size: 16px;
}

.portal-tabs {
  display: flex;
  gap: 8px;
}

.portal-tabs span {
  display: inline-grid;
  place-items: center;
  min-height: 38px;
  padding: 0 16px;
  color: #3f484a;
  background: #e8f0f3;
  font-size: 14px;
  font-weight: 800;
}

.portal-tabs .is-active {
  color: #fff;
  background: #005460;
}

.portal-table-wrap {
  overflow: auto;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 6px;
}

.portal-price-table {
  width: 100%;
  min-width: 820px;
  border-collapse: collapse;
  font-size: 16px;
}

.portal-price-table th,
.portal-price-table td {
  padding: 18px 24px;
  text-align: left;
  border-bottom: 1px solid #edf1f3;
}

.portal-price-table th {
  color: #3f484a;
  background: #f7fafb;
  font-weight: 800;
}

.portal-price-table tr:last-child td {
  border-bottom: 0;
}

.up {
  color: #11a96b;
}

.down {
  color: #e85d5d;
}

.mini-bars {
  display: inline-flex;
  align-items: end;
  gap: 3px;
  width: 66px;
  height: 24px;
  padding: 4px;
  background: #eef4f6;
  border-radius: 3px;
}

.mini-bars i {
  display: block;
  width: 8px;
  background: #7b8a8f;
}

.mini-bars i:nth-child(1) {
  height: 9px;
}

.mini-bars i:nth-child(2) {
  height: 14px;
}

.mini-bars i:nth-child(3) {
  height: 18px;
}

.mini-bars i:nth-child(4) {
  height: 12px;
}

.mini-bars i:nth-child(5) {
  height: 16px;
}

.mini-bars.green i {
  background: #19b56f;
}

.mini-bars.red i {
  background: #f15f5f;
}

.portal-knowledge {
  margin-top: 64px;
}

.portal-report-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 0.95fr) minmax(0, 0.95fr);
  gap: 16px;
  margin-top: 30px;
}

.portal-feature-report {
  position: relative;
  min-height: 320px;
  padding: 32px;
  color: #fff;
  background: #267f8a;
  border-radius: 8px;
}

.portal-feature-report span {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 0 13px;
  color: rgba(255, 255, 255, 0.84);
  background: rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
}

.portal-feature-report h3 {
  max-width: 520px;
  margin: 18px 0 0;
  font-size: 30px;
  line-height: 1.18;
}

.portal-feature-report p {
  position: absolute;
  right: 32px;
  bottom: 38px;
  left: 32px;
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 16px;
}

.portal-feature-report a {
  position: absolute;
  right: 28px;
  bottom: 28px;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  color: #005460;
  background: #fff;
  border-radius: 8px;
  font-size: 24px;
}

.portal-report-card {
  min-height: 320px;
  overflow: hidden;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
}

.portal-report-card img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  background: #dbe5e8;
}

.portal-report-card h3 {
  margin: 20px 22px 8px;
  color: #161d1f;
  font-size: 20px;
  line-height: 1.35;
}

.portal-report-card p {
  margin: 0 22px;
  color: #3f484a;
  font-size: 14px;
  line-height: 1.55;
}

.portal-report-card a {
  display: inline-flex;
  margin: 16px 22px 22px;
  color: #005460;
  font-weight: 800;
}

.portal-footer {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) repeat(3, minmax(0, 1fr));
  gap: 56px;
  padding: 56px 48px 42px;
  background: #dce8ec;
  color: #3f484a;
}

.portal-footer > * {
  min-width: 0;
}

.portal-footer strong {
  display: block;
  color: #161d1f;
  margin-bottom: 14px;
  font-size: 16px;
}

.portal-footer p {
  max-width: 330px;
  margin: 0;
  line-height: 1.65;
}

.portal-footer nav {
  display: grid;
  align-content: start;
  gap: 9px;
}

.portal-footer nav a {
  color: #3f484a;
}

.portal-socials {
  display: flex;
  gap: 13px;
  margin: 10px 0 20px;
  color: #005460;
  font-size: 22px;
}

.portal-subscribe label {
  display: block;
  margin-bottom: 8px;
}

.portal-subscribe span {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 56px;
}

.portal-subscribe input {
  height: 38px;
  padding: 0 10px;
  border: 1px solid #c9d5da;
  border-right: 0;
  border-radius: 0;
  font-size: 13px;
}

.portal-subscribe button {
  border: 0;
  color: #fff;
  background: #005460;
  font-weight: 800;
}

.project-home-page {
  padding-top: 113px;
  padding-bottom: 0;
  color: #131b2e;
  background: #faf8ff;
  font-family:
    "PingFang SC", "Microsoft YaHei", "Inter", system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.project-header {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 40;
  display: grid;
  grid-template-columns: 240px minmax(330px, 1fr) 112px;
  gap: 20px;
  align-items: center;
  height: 113px;
  padding: 0 48px;
  background: #fff;
  border-bottom: 1px solid #e2e8f0;
}

.project-brand {
  display: inline-flex;
  align-items: center;
  margin-left: 12px;
}

.project-brand .brand-logo {
  width: 171px;
}

.project-nav {
  display: flex;
  align-items: stretch;
  gap: 24px;
  height: 100%;
  min-width: 0;
}

.project-nav a {
  position: relative;
  display: flex;
  align-items: center;
  color: #131b2e;
  font-size: 14px;
  font-weight: 700;
}

.project-nav a.is-active {
  color: #005460;
}

.project-nav a.is-active::after {
  position: absolute;
  right: 0;
  bottom: 24px;
  left: 0;
  height: 2px;
  content: "";
  background: #005460;
}

.project-header .project-search {
  display: none;
}

.project-desk {
  display: grid;
  place-items: center;
  width: 112px;
  min-height: 54px;
  color: #fff;
  background: #005460;
  border-radius: 4px;
  font-size: 16px;
  font-weight: 900;
  text-align: center;
}

.project-desk.is-active {
  background: #003f49;
  box-shadow: inset 0 -4px 0 rgba(255, 255, 255, 0.18);
}

.project-menu-toggle {
  display: none;
}

.project-icons {
  display: none;
  gap: 16px;
  justify-content: flex-end;
  color: #334155;
  font-size: 20px;
}

.project-main {
  max-width: 1440px;
  margin: 0 auto;
  padding: 48px 64px 112px;
}

.project-hero-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 24px;
  align-items: stretch;
}

.project-hero-card {
  position: relative;
  grid-column: span 8;
  height: 500px;
  overflow: hidden;
  border-radius: 8px;
  background: #1c2e38;
}

.project-hero-card--full {
  grid-column: 1 / -1;
}

.project-hero-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-hero-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.62), rgba(0, 0, 0, 0.08));
}

.project-hero-copy {
  position: absolute;
  top: 50%;
  left: 48px;
  width: min(840px, calc(100% - 96px));
  color: #fff;
  transform: translateY(-50%);
}

.project-hero-copy > span {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 0 12px;
  background: rgba(0, 84, 96, 0.48);
  border-radius: 2px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
}

.project-hero-copy h1 {
  display: flex;
  flex-wrap: wrap;
  gap: 0.28em;
  align-items: center;
  margin: 26px 0 0;
  font-size: clamp(48px, 4.6vw, 64px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.04em;
  text-shadow: 0 3px 22px rgba(0, 0, 0, 0.32);
}

.project-hero-copy h1 span {
  white-space: nowrap;
}

.project-hero-copy h1 i {
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.68em;
  font-style: normal;
  font-weight: 600;
}

.project-hero-copy p {
  max-width: 512px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 18px;
  line-height: 1.56;
}

.project-hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 32px;
}

.project-hero-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 49px;
  padding: 0 32px;
  color: #fff;
  border-radius: 4px;
  font-size: 16px;
  font-weight: 800;
}

.project-hero-actions a:first-child {
  background: #005460;
}

.project-hero-actions a:last-child {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(6px);
}

.project-inquiry {
  grid-column: span 4;
  min-height: 0;
  padding: 33px;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

@media (min-width: 921px) {
  .project-wechat-card .project-wechat-qr {
    margin-block: auto;
  }
}

.project-inquiry h2 {
  margin: 0;
  color: #005460;
  font-size: 24px;
  line-height: 1.34;
}

.project-inquiry p {
  margin: 8px 0 0;
  color: #3f484a;
  font-size: 14px;
  line-height: 1.45;
}

.project-inquiry form {
  display: grid;
  gap: 16px;
  margin-top: 24px;
}

.project-inquiry label {
  display: grid;
  gap: 4px;
  color: #334155;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.6px;
}

.project-inquiry input,
.project-inquiry select {
  height: 50px;
  padding: 0 13px;
  color: #131b2e;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 2px;
  font-size: 16px;
}

.project-inquiry select {
  background: #f2f3ff;
}

.project-submit-button {
  display: grid;
  place-items: center;
  min-height: 56px;
  color: #fff;
  background: #005460;
  border-radius: 4px;
  font-size: 16px;
  font-weight: 800;
}

.project-experts {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: #3f484a;
  font-size: 14px;
}

.project-experts span {
  width: 32px;
  height: 32px;
  margin-right: -24px;
  background: #b8e8f1;
  border: 2px solid #fff;
  border-radius: 12px;
}

.project-experts span:nth-child(2) {
  background: #a9edfc;
}

.project-experts span:nth-child(3) {
  margin-right: 0;
  background: #d3e4fe;
}

.project-experts em {
  font-style: normal;
}

.project-price-section,
.project-applications,
.project-guides,
.project-flow {
  margin-top: 64px;
  scroll-margin-top: 132px;
}

.project-section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
}

.project-section-head h2 {
  margin: 0;
  color: #005460;
  font-size: 32px;
  line-height: 1.25;
  letter-spacing: 0;
}

.project-section-head h2 span {
  color: #131b2e;
}

.project-section-head p {
  margin: 8px 0 0;
  color: #3f484a;
  font-size: 16px;
}

.project-section-head > a {
  color: #005460;
  font-weight: 800;
}

.project-date {
  display: flex;
  gap: 12px;
  align-items: center;
}

.project-date span,
.project-date em {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 13px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  font-style: normal;
}

.project-date span {
  color: #005460;
  background: #e5e9ff;
}

.project-date em {
  color: #d43f4d;
  background: #ffecef;
}

.project-application-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.project-application-card {
  position: relative;
  display: grid;
  align-content: end;
  min-height: 260px;
  overflow: hidden;
  padding: 24px;
  color: #fff;
  background:
    linear-gradient(180deg, rgba(4, 16, 22, 0.08) 0%, rgba(4, 16, 22, 0.78) 72%, rgba(4, 16, 22, 0.9) 100%),
    var(--application-image) center / cover;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  box-shadow: 0 10px 15px -6px rgba(0, 0, 0, 0.08);
}

.project-application-card::before {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, rgba(0, 84, 96, 0.2), transparent 58%);
}

.project-application-card span,
.project-application-card h3,
.project-application-card p,
.project-application-card a {
  position: relative;
  z-index: 1;
}

.project-application-card span {
  width: fit-content;
  min-height: 26px;
  padding: 0 10px;
  display: inline-flex;
  align-items: center;
  color: #fff;
  background: rgba(0, 84, 96, 0.64);
  border-radius: 2px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

.project-application-card h3 {
  margin: 14px 0 8px;
  font-size: 28px;
  line-height: 1.22;
}

.project-application-card p {
  margin: 0;
  min-height: 72px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
  line-height: 1.6;
}

.project-application-card a {
  margin-top: 18px;
  color: #a9edfc;
  font-weight: 900;
}

.project-table-wrap {
  overflow: auto;
  border: 1px solid #e2e8f0;
  border-radius: 4px;
  background: #fff;
}

.project-price-table {
  width: 100%;
  min-width: 980px;
  border-collapse: collapse;
  font-size: 14px;
}

.project-price-table th,
.project-price-table td {
  padding: 17px 32px;
  border-bottom: 1px solid #e2e8f0;
  text-align: left;
}

.project-price-table th {
  color: #334155;
  background: #eef0ff;
  font-weight: 800;
}

.project-price-table tr:last-child td {
  border-bottom: 0;
}

.project-price-table td:nth-child(2) {
  color: #131b2e;
  font-weight: 900;
}

.project-price-table a {
  color: #005460;
  font-weight: 800;
}

.live-market-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  gap: 22px;
}

.live-market-grid--single {
  grid-template-columns: minmax(0, 1fr);
}

.live-price-card,
.live-market-explainer {
  min-width: 0;
  border: 1px solid #d8e1e5;
  border-radius: 8px;
}

.live-price-card {
  padding: 28px;
  color: #fff;
  background:
    radial-gradient(circle at 88% 18%, rgba(169, 237, 252, 0.24), transparent 32%),
    linear-gradient(135deg, #063a45 0%, #005460 58%, #087483 100%);
  box-shadow: 0 18px 35px -22px rgba(0, 84, 96, 0.72);
}

.live-price-card-head,
.live-price-details,
.live-price-source {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.live-price-card-head > span {
  font-size: 15px;
  font-weight: 900;
}

.live-price-card-head small {
  color: rgba(255, 255, 255, 0.66);
  font-size: 12px;
}

.live-price-main {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-top: 24px;
}

.live-price-main strong {
  font-size: clamp(42px, 6vw, 68px);
  line-height: 1;
  letter-spacing: -2px;
}

.live-price-main span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 15px;
  font-weight: 800;
}

.live-price-details {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.live-price-details p {
  display: grid;
  gap: 7px;
  margin: 0;
}

.live-price-details p:last-child {
  justify-items: end;
  text-align: right;
}

.live-price-details span {
  color: rgba(255, 255, 255, 0.62);
  font-size: 12px;
}

.live-price-details strong {
  font-size: 16px;
}

.live-price-details strong.is-up {
  color: #ffb2b8;
}

.live-price-details strong.is-down {
  color: #9cf0c4;
}

.live-price-details strong.is-flat {
  color: #d8e1e5;
}

.live-price-source {
  flex-wrap: wrap;
  justify-content: flex-start;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.56);
  font-size: 12px;
}

.live-price-source a {
  color: #a9edfc;
  font-weight: 800;
}

.live-price-source span {
  margin-left: auto;
}

.live-market-explainer {
  display: grid;
  align-content: center;
  padding: 30px;
  background: linear-gradient(145deg, #f5f8f8, #fff);
}

.live-market-explainer > span {
  width: fit-content;
  padding: 5px 9px;
  color: #005460;
  background: #dff5f2;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.4px;
}

.live-market-explainer h3 {
  margin: 16px 0 10px;
  color: #131b2e;
  font-size: 23px;
  line-height: 1.3;
}

.live-market-explainer p {
  margin: 0;
  color: #52606d;
  font-size: 14px;
  line-height: 1.75;
}

.live-market-explainer a {
  margin-top: 20px;
  color: #005460;
  font-weight: 900;
}

[data-aluminum-market][data-market-state="unavailable"] .live-price-card {
  background: linear-gradient(135deg, #334b52, #51656b);
}

[data-aluminum-market][data-market-state="stale"] .project-date em {
  color: #8a5a00;
  background: #fff3cd;
}

.status-pill {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  padding: 0 12px;
  color: #005460;
  background: #dff5f2;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.status-pill.neutral {
  color: #637083;
  background: #edf1f5;
}

.project-guide-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}

.project-guide-card {
  overflow: hidden;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
}

.project-guide-card img {
  width: 100%;
  height: 190px;
  object-fit: cover;
}

.project-guide-card div {
  padding: 24px;
}

.project-guide-card span {
  display: block;
  color: #005460;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

.project-guide-card h3 {
  margin: 14px 0 10px;
  color: #131b2e;
  font-size: 22px;
  line-height: 1.34;
}

.project-guide-card p {
  margin: 0;
  min-height: 66px;
  color: #3f484a;
  font-size: 15px;
  line-height: 1.58;
}

.project-guide-card a {
  display: flex;
  justify-content: space-between;
  margin-top: 22px;
  padding-top: 18px;
  color: #005460;
  border-top: 1px solid #e2e8f0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
}

.project-guide-card a b {
  font-size: 16px;
}

.seo-note,
.seo-copy-template {
  display: grid;
  gap: 8px;
  margin-top: 20px;
  padding: 20px 22px;
  color: #334155;
  background: #f5faf9;
  border: 1px solid rgba(0, 84, 96, 0.16);
  border-left: 4px solid #005460;
  border-radius: 8px;
}

.seo-note strong,
.seo-copy-template strong {
  color: #005460;
  font-size: 18px;
}

.seo-note span,
.seo-copy-template p {
  margin: 0;
  line-height: 1.72;
}

.seo-factor-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.seo-factor-grid article {
  padding: 20px;
  background: #fff;
  border: 1px solid #dce5ea;
  border-radius: 8px;
}

.seo-factor-grid strong {
  display: block;
  color: #005460;
  font-size: 17px;
}

.seo-factor-grid p {
  margin: 8px 0 0;
  color: #3f484a;
  line-height: 1.65;
}

.seo-quote-table {
  min-width: 680px;
}

.inner-sidebar-link {
  display: inline-flex;
  margin-top: 16px;
  color: #005460;
  font-size: 14px;
  font-weight: 900;
}

.project-flow {
  padding: 56px 48px 48px;
  color: #fff;
  background: #33445b;
  border-radius: 6px;
}

.project-flow-head {
  position: relative;
  display: grid;
  gap: 10px;
}

.project-flow-head h2 {
  margin: 0;
  font-size: 32px;
  line-height: 1.25;
}

.project-flow-head p {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
}

.project-flow-head a {
  position: absolute;
  top: 0;
  right: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 28px;
  color: #fff;
  background: #1e7f87;
  border-radius: 4px;
  font-weight: 800;
}

.project-flow-line {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 24px;
  margin-top: 68px;
}

.project-flow-line::before {
  position: absolute;
  top: 18px;
  right: 0;
  left: 0;
  height: 2px;
  content: "";
  background: rgba(255, 255, 255, 0.18);
}

.project-flow-line article {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 10px;
  text-align: center;
}

.project-flow-line span {
  z-index: 1;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  color: #fff;
  background: #005460;
  border-radius: 8px;
  font-weight: 900;
}

.project-flow-line article:nth-child(n + 4) span {
  background: rgba(255, 255, 255, 0.16);
}

.project-flow-line strong {
  color: #fff;
  font-size: 16px;
}

.project-flow-line em {
  color: rgba(255, 255, 255, 0.55);
  font-size: 13px;
  font-style: normal;
}

.project-footer {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) repeat(3, minmax(0, 1fr));
  gap: 52px;
  padding: 56px 64px 42px 72px;
  color: rgba(255, 255, 255, 0.78);
  background: #31435a;
}

.project-footer strong {
  display: block;
  margin-bottom: 16px;
  color: #a9edfc;
  font-size: 18px;
}

.project-footer-logo {
  display: block;
  width: 154px;
  height: auto;
  margin-bottom: 18px;
}

.project-footer p {
  max-width: 360px;
  margin: 0;
  line-height: 1.7;
}

.project-footer nav {
  display: grid;
  align-content: start;
  gap: 10px;
}

.project-footer a {
  color: rgba(255, 255, 255, 0.84);
}

.project-contact-text {
  color: rgba(255, 255, 255, 0.84);
  font-size: 16px;
  font-weight: 700;
}

.project-inner-page {
  padding-top: 113px;
  color: #131b2e;
  background: #faf8ff;
  font-family:
    "PingFang SC", "Microsoft YaHei", "Inter", system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.project-inner-main {
  max-width: 1440px;
  margin: 0 auto;
  padding: 48px 64px 96px;
}

.inner-page-shell {
  display: grid;
  grid-template-columns: 268px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
}

.inner-page-shell--single {
  grid-template-columns: minmax(0, 1fr);
}

.inner-sidebar,
.inner-card,
.inner-panel,
.inner-form-panel,
.inner-filter,
.inner-alert,
.inner-feature {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  box-shadow: 0 10px 15px -6px rgba(0, 0, 0, 0.08);
}

.inner-sidebar {
  position: sticky;
  top: 137px;
  display: grid;
  gap: 22px;
  padding: 22px;
}

.inner-sidebar h2,
.inner-panel h2,
.inner-form-panel h2 {
  margin: 0;
  color: #005460;
  font-size: 22px;
  line-height: 1.3;
}

.inner-sidebar h3 {
  margin: 0 0 12px;
  color: #334155;
  font-size: 13px;
  letter-spacing: 0.6px;
}

.inner-check-list,
.inner-nav-list {
  display: grid;
  gap: 9px;
}

.inner-check-list label,
.inner-nav-list a {
  display: flex;
  align-items: center;
  min-height: 36px;
  gap: 10px;
  color: #3f484a;
  font-size: 14px;
}

.inner-check-list input {
  width: 18px;
  height: 18px;
  accent-color: #005460;
}

.inner-nav-list a {
  justify-content: space-between;
  padding: 0 11px;
  border-radius: 4px;
  background: #f2f3ff;
  font-weight: 800;
}

.inner-nav-list a:hover {
  color: #005460;
}

.inner-content {
  display: grid;
  gap: 24px;
  min-width: 0;
}

.inner-content > *,
.inner-panel,
.inner-table-wrap {
  min-width: 0;
  max-width: 100%;
}

.inner-hero {
  position: relative;
  min-height: 316px;
  overflow: hidden;
  color: #fff;
  background: #1c2e38;
  border-radius: 8px;
}

.inner-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.inner-hero--product-selection {
  min-height: 338px;
}

.inner-hero--product-selection img {
  object-position: center 58%;
}

.inner-hero--price-reference img {
  object-position: center 50%;
}

.inner-hero--supplier-network img {
  object-position: center 50%;
}

.inner-hero::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.68), rgba(0, 0, 0, 0.1));
}

.inner-hero-copy {
  position: relative;
  z-index: 1;
  display: grid;
  align-content: center;
  width: min(680px, 100%);
  min-height: 316px;
  padding: 44px 48px;
}

.inner-hero--product-selection .inner-hero-copy {
  min-height: 338px;
}

.inner-kicker {
  display: inline-flex;
  width: fit-content;
  min-height: 30px;
  align-items: center;
  padding: 0 12px;
  color: #fff;
  background: rgba(0, 84, 96, 0.58);
  border-radius: 2px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.inner-hero h1 {
  margin: 22px 0 0;
  font-size: 38px;
  line-height: 1.24;
  letter-spacing: 0;
}

.inner-hero p {
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 18px;
  line-height: 1.58;
}

.inner-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.inner-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border-radius: 4px;
  font-weight: 900;
}

.inner-button.primary {
  color: #fff;
  background: #005460;
}

.inner-button.secondary {
  color: #fff;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.inner-section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 20px;
}

.inner-section-head h2 {
  margin: 0;
  color: #005460;
  font-size: 30px;
  line-height: 1.26;
}

.inner-section-head p {
  margin: 8px 0 0;
  color: #3f484a;
}

.inner-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.inner-card {
  display: grid;
  min-width: 0;
  overflow: hidden;
}

.inner-card-visual {
  display: block;
  aspect-ratio: 16 / 10;
  min-height: 178px;
  overflow: hidden;
  color: rgba(255, 255, 255, 0.78);
  background:
    linear-gradient(180deg, #f8fafb 0%, #eef3f5 100%),
    repeating-linear-gradient(45deg, rgba(0, 84, 96, 0.06) 0 8px, transparent 8px 18px);
  font-size: 46px;
  font-weight: 900;
}

.inner-card-visual img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.inner-card-visual.image-pending {
  display: grid;
  place-items: center;
  border-bottom: 1px solid var(--line);
}

.inner-card-visual.image-pending span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 82px;
  height: 82px;
  color: rgba(0, 77, 86, 0.78);
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(0, 77, 86, 0.12);
  border-radius: 50%;
  font-size: 24px;
  font-weight: 900;
}

.product-summary-section {
  padding-top: 54px;
  padding-bottom: 46px;
}

.product-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  width: min(1180px, calc(100% - 80px));
  margin: 0 auto;
  padding: 22px 0 0;
  color: #647081;
  font-size: 14px;
  font-weight: 800;
}

.product-breadcrumb a {
  color: #0a8fc4;
}

.product-breadcrumb span:last-child {
  color: #334155;
}

.product-breadcrumb + .product-summary-section {
  padding-top: 18px;
}

.product-summary {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  gap: 28px;
  align-items: stretch;
  padding: 24px;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  box-shadow: 0 18px 34px -28px rgba(19, 27, 46, 0.36);
}

.product-summary-visual {
  position: relative;
  min-height: 260px;
  overflow: hidden;
  background:
    linear-gradient(180deg, #f8fafb 0%, #eef3f5 100%),
    repeating-linear-gradient(45deg, rgba(31, 93, 122, 0.05) 0 8px, transparent 8px 18px);
  border-radius: 6px;
}

.product-summary-visual img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-summary-content {
  display: grid;
  gap: 16px;
  min-width: 0;
}

.product-summary .section-heading {
  margin-bottom: 0;
}

.product-summary .section-heading h2 {
  width: min(680px, 100%);
  font-size: clamp(24px, 2.5vw, 32px);
}

.product-summary .section-heading p {
  width: min(680px, 100%);
  margin-top: 10px;
}

.product-summary .check-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.product-summary .check-grid span {
  min-height: 82px;
  padding: 14px 18px;
  color: var(--steel-dark);
}

.perforation-pattern-section {
  background:
    linear-gradient(135deg, rgba(0, 84, 96, 0.045), transparent 48%),
    #f8fafb;
}

.perforation-pattern-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.perforation-pattern-card {
  display: grid;
  min-width: 0;
  overflow: hidden;
  background: #fff;
  border: 1px solid #dce5ea;
  border-radius: 8px;
  box-shadow: 0 12px 24px -18px rgba(17, 24, 39, 0.38);
}

.perforation-pattern-card svg {
  display: block;
  width: 100%;
  height: 132px;
  padding: 14px;
  fill: #005460;
  background:
    radial-gradient(circle at 84% 18%, rgba(216, 153, 67, 0.12), transparent 34%),
    #eef7f8;
  border-bottom: 1px solid #e2e8f0;
}

.perforation-pattern-card strong,
.perforation-pattern-card span {
  display: block;
  padding-right: 16px;
  padding-left: 16px;
}

.perforation-pattern-card strong {
  padding-top: 14px;
  color: #131b2e;
  font-size: 17px;
}

.perforation-pattern-card span {
  padding-top: 6px;
  padding-bottom: 16px;
  color: #536062;
  font-size: 13px;
  line-height: 1.5;
}

.perforation-quote-note {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  margin-top: 18px;
  padding: 18px 20px;
  color: #334155;
  background: #fff;
  border: 1px solid #d7dee6;
  border-left: 4px solid #005460;
  border-radius: 8px;
}

.perforation-quote-note strong {
  color: #005460;
}

.perforation-quote-note span {
  line-height: 1.65;
}

.product-sample-detail-section {
  padding-top: 46px;
  padding-bottom: 46px;
}

.product-sample-detail {
  display: grid;
  grid-template-columns: minmax(280px, 0.76fr) minmax(0, 1.24fr);
  gap: 28px;
  align-items: stretch;
  overflow: hidden;
  padding: 24px;
  background: #fff;
  border: 1px solid #dce5ea;
  border-radius: 8px;
  box-shadow: 0 18px 34px -24px rgba(17, 24, 39, 0.34);
}

.product-sample-detail-visual {
  min-height: 360px;
  overflow: hidden;
  background: #eef3f5;
  border-radius: 6px;
}

.product-sample-detail-visual img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-sample-detail-copy {
  display: grid;
  align-content: center;
  gap: 12px;
}

.product-sample-detail-copy h2 {
  margin: 0;
  color: #005460;
  font-size: clamp(25px, 2.8vw, 34px);
  line-height: 1.25;
}

.product-sample-detail-copy p {
  margin: 0;
  color: #3f484a;
  line-height: 1.72;
}

.product-sample-detail-copy ul {
  display: grid;
  gap: 8px;
  margin: 2px 0 0;
  padding-left: 20px;
  color: #27313b;
  line-height: 1.55;
}

.product-sample-detail-copy small {
  padding-top: 12px;
  color: #64748b;
  border-top: 1px solid #e2e8f0;
  line-height: 1.55;
}

.inner-card-body {
  display: grid;
  align-content: start;
  gap: 10px;
  padding: 22px;
}

.inner-card span,
.inner-feature span {
  color: #005460;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.6px;
  text-transform: uppercase;
}

.inner-card h3,
.inner-feature h3 {
  margin: 0;
  color: #131b2e;
  font-size: 22px;
  line-height: 1.34;
}

.inner-card p,
.inner-feature p {
  margin: 0;
  color: #3f484a;
  line-height: 1.62;
}

.inner-card a {
  margin-top: 8px;
  color: #005460;
  font-weight: 900;
}

.inner-table-wrap {
  overflow: auto;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
}

.inner-table {
  width: 100%;
  min-width: 860px;
  border-collapse: collapse;
  font-size: 14px;
}

.inner-table th,
.inner-table td {
  padding: 17px 22px;
  border-bottom: 1px solid #e2e8f0;
  text-align: left;
}

.inner-table th {
  color: #334155;
  background: #eef0ff;
  font-weight: 900;
}

.inner-table th.is-centered {
  text-align: center;
}

.inner-table tr:last-child td {
  border-bottom: 0;
}

.inner-table td:nth-child(2) {
  color: #131b2e;
  font-weight: 900;
}

.price-reference-table {
  min-width: 1040px;
  table-layout: fixed;
}

.price-reference-table .price-reference-spec {
  width: 19%;
}

.price-reference-table .price-reference-date {
  width: 10%;
}

.price-reference-table .price-reference-value {
  width: 16%;
}

.price-reference-table .price-reference-application {
  width: 24%;
}

.price-reference-table .price-reference-note {
  width: 31%;
}

.price-reference-table th,
.price-reference-table td {
  padding: 18px 20px;
  vertical-align: middle;
}

.price-reference-table th:nth-child(2),
.price-reference-table .reference-market-date,
.price-reference-table th:last-child,
.price-reference-table td:last-child {
  text-align: center;
}

.price-reference-table .reference-market-date {
  color: #131b2e;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.price-reference-table td[data-reference-price] {
  color: #131b2e;
  font-weight: 900;
  white-space: nowrap;
}

.price-reference-table .inner-pill {
  justify-content: center;
  white-space: nowrap;
}

@media (max-width: 920px) {
  .price-reference-table-wrap {
    overflow: visible;
    background: transparent;
    border: 0;
    border-radius: 0;
  }

  .price-reference-table,
  .price-reference-table tbody {
    display: block;
    width: 100%;
    min-width: 0;
  }

  .price-reference-table colgroup,
  .price-reference-table thead {
    display: none;
  }

  .price-reference-table tbody {
    display: grid;
    gap: 14px;
  }

  .price-reference-table tr {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    overflow: hidden;
    background: #fff;
    border: 1px solid #dfe5ea;
    border-radius: 10px;
    box-shadow: 0 9px 22px rgba(17, 24, 39, 0.06);
  }

  .price-reference-table td,
  .price-reference-table td:nth-child(n) {
    width: auto;
    padding: 0;
    color: #334155;
    border: 0;
    font-size: 14px;
    font-weight: 400;
    line-height: 1.55;
    text-align: left;
    white-space: normal;
  }

  .price-reference-table td:nth-child(1) {
    grid-row: 1 / span 2;
    grid-column: 1;
    align-self: start;
    padding: 15px 16px 16px;
    color: #102033;
    font-size: 20px;
    font-weight: 900;
  }

  .price-reference-table td:nth-child(1)::before,
  .price-reference-table td:nth-child(3)::before {
    display: block;
    margin-bottom: 3px;
    color: #71818a;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.3px;
  }

  .price-reference-table td:nth-child(1)::before {
    content: "规格与工艺";
  }

  .price-reference-table td.reference-market-date {
    grid-row: 1;
    grid-column: 2;
    justify-self: stretch;
    padding: 15px 16px 0 20px;
    color: #71818a;
    border-left: 1px solid #edf0f2;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.3px;
    text-align: left;
  }

  .price-reference-table td.reference-market-date::before {
    content: none;
  }

  .price-reference-table td.reference-market-date::after {
    content: "市场行情";
  }

  .price-reference-table td[data-reference-price] {
    grid-row: 2;
    grid-column: 2;
    align-self: start;
    justify-self: stretch;
    padding: 5px 16px 16px 20px;
    color: #005460;
    border-left: 1px solid #edf0f2;
    font-size: 20px;
    font-weight: 900;
    text-align: left;
    white-space: normal;
  }

  .price-reference-table td[data-reference-price]::before {
    display: none;
    content: none;
  }

  .price-reference-table td:nth-child(4),
  .price-reference-table td:nth-child(5) {
    display: grid;
    grid-column: 1 / -1;
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 10px;
    padding: 11px 16px;
    border-top: 1px solid #edf0f2;
  }

  .price-reference-table td:nth-child(4)::before,
  .price-reference-table td:nth-child(5)::before {
    color: #005460;
    font-size: 12px;
    font-weight: 900;
  }

  .price-reference-table td:nth-child(4)::before {
    content: "常见应用";
  }

  .price-reference-table td:nth-child(5)::before {
    content: "备注";
  }

  .price-reference-table td:nth-child(5),
  .price-reference-table td:last-child {
    text-align: left;
  }

  .price-reference-table .inner-pill {
    display: block;
    min-height: 0;
    padding: 0;
    color: #475569;
    background: transparent;
    border-radius: 0;
    font-size: 14px;
    font-weight: 400;
    white-space: normal;
  }
}

@media (min-width: 721px) and (max-width: 920px) {
  .price-reference-table tbody {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.inner-pill {
  display: inline-flex;
  min-height: 26px;
  align-items: center;
  padding: 0 10px;
  color: #005460;
  background: #dff5f2;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
}

.inner-panel {
  padding: 28px;
}

.inner-factor-grid,
.inner-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.inner-feature {
  min-height: 174px;
  padding: 22px;
}

.inner-form-panel {
  padding: 28px;
}

.inner-form-header {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding-bottom: 22px;
  border-bottom: 1px solid #e2e8f0;
}

.inner-form-header p {
  margin: 8px 0 0;
  color: #3f484a;
}

.inner-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 24px;
  margin-top: 24px;
}

.inner-form label {
  display: grid;
  gap: 8px;
  color: #334155;
  font-weight: 800;
}

.inner-form label.full {
  grid-column: 1 / -1;
}

.inner-form input,
.inner-form select,
.inner-form textarea {
  width: 100%;
  min-height: 48px;
  padding: 0 13px;
  color: #131b2e;
  background: #f8fafc;
  border: 1px solid #94a3b8;
  border-radius: 2px;
  font: inherit;
}

.inner-form textarea {
  min-height: 118px;
  padding-top: 12px;
  resize: vertical;
}

.inner-alert {
  grid-column: 1 / -1;
  padding: 16px 18px;
  color: #b42318;
  background: #fff7f6;
  border-color: #f4b8b0;
  font-weight: 800;
}

.inner-form-note {
  grid-column: 1 / -1;
  margin: 0;
  color: #637083;
  font-size: 14px;
}

.inner-form-note.is-success {
  color: #005460;
  font-weight: 900;
}

.inner-progress {
  display: grid;
  gap: 12px;
}

.inner-progress li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #3f484a;
  list-style: none;
}

.inner-progress li::before {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  color: #fff;
  content: "✓";
  background: #005460;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
}

.inner-map-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.inner-map-card {
  min-height: 188px;
  padding: 22px;
  background:
    linear-gradient(135deg, transparent 0%, transparent 62%, rgba(0, 84, 96, 0.07) 62.4%, rgba(0, 84, 96, 0.02) 100%),
    #fff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  box-shadow: 0 10px 15px -6px rgba(0, 0, 0, 0.08);
}

.inner-map-card span,
.inner-map-card strong,
.inner-map-card em {
  display: block;
}

.inner-map-card span {
  color: #005460;
  font-weight: 900;
}

.inner-map-card strong {
  margin-top: 14px;
  color: #131b2e;
  font-size: 22px;
  line-height: 1.32;
}

.inner-map-card em {
  margin-top: 10px;
  color: #3f484a;
  font-style: normal;
  line-height: 1.6;
}

.inner-library-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.inner-library-list {
  display: grid;
  gap: 12px;
}

.inner-library-list a {
  display: grid;
  gap: 5px;
  padding: 18px;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
}

.inner-library-list strong {
  color: #131b2e;
  font-size: 18px;
}

.inner-library-list span {
  color: #3f484a;
}

.knowledge-page {
  background: #faf8ff;
}

.knowledge-shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr) 220px;
  gap: 28px;
  max-width: 1440px;
  margin: 0 auto;
  padding: 42px 48px 96px;
}

.knowledge-shell-overview {
  padding-top: 28px;
}

.knowledge-sidebar,
.knowledge-toc {
  position: sticky;
  top: 137px;
  align-self: start;
}

.knowledge-sidebar {
  display: grid;
  gap: 18px;
}

.knowledge-home,
.knowledge-sidebar nav,
.knowledge-toc,
.knowledge-article,
.knowledge-note,
.knowledge-route-grid a,
.knowledge-link-list a,
.knowledge-next a {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  box-shadow: 0 10px 15px -6px rgba(0, 0, 0, 0.08);
}

.knowledge-home {
  display: grid;
  gap: 5px;
  padding: 18px;
}

.knowledge-home strong {
  color: #005460;
  font-size: 20px;
  line-height: 1.25;
}

.knowledge-home span {
  color: #3f484a;
  font-size: 14px;
}

.knowledge-sidebar nav,
.knowledge-toc {
  display: grid;
  gap: 7px;
  padding: 18px;
}

.knowledge-sidebar nav strong,
.knowledge-toc strong {
  margin-bottom: 6px;
  color: #334155;
  font-size: 13px;
  letter-spacing: 0.6px;
}

.knowledge-sidebar nav a,
.knowledge-toc a {
  display: flex;
  align-items: center;
  min-height: 34px;
  padding: 0 10px;
  color: #3f484a;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 800;
}

.knowledge-sidebar nav a:hover,
.knowledge-sidebar nav a.is-current,
.knowledge-toc a:hover,
.knowledge-toc a.is-current {
  color: #005460;
}

.knowledge-sidebar nav a:hover,
.knowledge-toc a:hover {
  background: #eef7f8;
}

.knowledge-quote-card {
  gap: 16px;
  padding: 20px;
  overflow: hidden;
  background:
    linear-gradient(160deg, rgba(0, 84, 96, 0.08), transparent 44%),
    #fff;
}

.knowledge-quote-copy {
  display: grid;
  gap: 10px;
}

.knowledge-quote-card .knowledge-quote-kicker {
  color: #b7792a;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 1.1px;
  text-transform: uppercase;
}

.knowledge-quote-card .knowledge-quote-copy strong {
  margin: 0;
  color: #005460;
  font-size: 20px;
  line-height: 1.35;
  letter-spacing: 0;
}

.knowledge-quote-card p {
  margin: 0;
  color: #3f484a;
  font-size: 13px;
  line-height: 1.65;
}

.knowledge-quote-card > img {
  width: 100%;
  padding: 7px;
  background: #fff;
  border: 1px solid #d7e2e7;
  border-radius: 6px;
}

.knowledge-quote-action {
  display: grid;
  gap: 10px;
}

.knowledge-quote-card .knowledge-quote-action a {
  display: grid;
  min-height: 48px;
  place-items: center;
  padding: 0 12px;
  color: #fff;
  background: #005460;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 900;
  text-align: center;
}

.knowledge-quote-card .knowledge-quote-action a:hover {
  color: #fff;
  background: #003f49;
}

.knowledge-quote-card small {
  color: #647081;
  font-size: 11px;
  font-weight: 700;
  text-align: center;
}

.knowledge-subnav {
  display: grid;
  gap: 2px;
  margin: -2px 0 6px 12px;
  padding: 2px 0 6px 12px;
  border-left: 1px solid #d7dee6;
}

.knowledge-subnav[hidden] {
  display: none;
}

.knowledge-sidebar nav .knowledge-subnav a {
  min-height: 28px;
  padding: 0 8px;
  color: #637083;
  font-size: 13px;
  font-weight: 700;
}

.knowledge-sidebar nav .knowledge-subnav a:hover {
  color: #005460;
  background: #eef7f8;
}

.knowledge-article {
  min-width: 0;
  padding: 44px 48px;
}

.knowledge-mobile-back {
  display: none;
}

.knowledge-article-head {
  position: relative;
  display: grid;
  align-content: center;
  min-height: 330px;
  margin: -44px -48px 34px;
  overflow: hidden;
  padding: 52px 64px;
  color: #fff;
  background: #102932;
  border-bottom: 1px solid #d9e2ea;
  border-radius: 8px 8px 0 0;
}

.knowledge-article-head img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 50%;
}

.knowledge-article-head::after {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(90deg, rgba(7, 18, 25, 0.82) 0%, rgba(7, 18, 25, 0.56) 42%, rgba(7, 18, 25, 0.12) 100%),
    linear-gradient(0deg, rgba(0, 84, 96, 0.16), rgba(0, 84, 96, 0.16));
}

.knowledge-article-head > :not(img) {
  position: relative;
  z-index: 1;
}

.knowledge-article-head h1 {
  max-width: 760px;
  margin: 20px 0 0;
  color: #fff;
  font-size: 46px;
  line-height: 1.16;
  letter-spacing: 0;
}

.knowledge-article-head p {
  max-width: 780px;
  margin: 18px 0 0;
  color: #3f484a;
  font-size: 18px;
  line-height: 1.72;
}

.knowledge-article-head:not(:has(img)) {
  min-height: auto;
  margin: 0 0 34px;
  padding: 0 0 28px;
  color: #131b2e;
  background: transparent;
  border-bottom: 1px solid #e2e8f0;
  border-radius: 0;
}

.knowledge-article-head:not(:has(img))::after {
  display: none;
}

.knowledge-article-head:not(:has(img)) h1 {
  color: #005460;
}

.knowledge-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.knowledge-meta span {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 0 12px;
  color: #005460;
  background: #e5e9ff;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 900;
}

.knowledge-note {
  margin-top: 28px;
  padding: 22px;
  border-left: 4px solid #005460;
}

.knowledge-note strong {
  color: #005460;
  font-size: 18px;
}

.knowledge-note p {
  margin: 8px 0 0;
  color: #3f484a;
}

.knowledge-route-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 26px;
}

.knowledge-route-grid a {
  position: relative;
  display: grid;
  min-height: 138px;
  align-content: space-between;
  gap: 18px;
  overflow: hidden;
  padding: 20px 22px;
  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.2s ease;
}

.knowledge-route-grid a::after {
  position: absolute;
  right: -28px;
  bottom: -42px;
  width: 112px;
  height: 112px;
  content: "";
  background: rgba(0, 84, 96, 0.08);
  border-radius: 999px;
}

.knowledge-route-grid a:hover {
  border-color: rgba(0, 84, 96, 0.34);
  box-shadow: 0 16px 28px -12px rgba(0, 84, 96, 0.22);
  transform: translateY(-2px);
}

.knowledge-route-grid span {
  position: relative;
  z-index: 1;
  display: inline-flex;
  width: max-content;
  min-height: 28px;
  align-items: center;
  padding: 0 10px;
  color: #005460;
  background: #eef7f6;
  border: 1px solid rgba(0, 84, 96, 0.16);
  border-radius: 999px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  font-weight: 900;
}

.knowledge-route-grid strong {
  position: relative;
  z-index: 1;
  color: #131b2e;
  font-size: 22px;
  line-height: 1.25;
}

.knowledge-route-grid em {
  color: #3f484a;
  font-style: normal;
  line-height: 1.55;
}

.knowledge-shell-overview .knowledge-article {
  padding: 30px 34px 34px;
}

.knowledge-shell-overview .knowledge-article-head {
  min-height: 260px;
  margin: -30px -34px 24px;
  padding: 38px 54px;
}

.knowledge-shell-overview .knowledge-article-head h1 {
  margin-top: 18px;
  font-size: 42px;
}

.knowledge-shell-overview .knowledge-meta {
  margin-top: 20px;
}

.knowledge-shell-overview .knowledge-route-grid {
  gap: 12px;
  margin-top: 0;
}

.knowledge-shell-overview .knowledge-route-grid a {
  min-height: 112px;
  gap: 12px;
  padding: 18px 20px;
}

.knowledge-shell-overview .knowledge-route-grid a::after {
  right: -36px;
  bottom: -54px;
  width: 112px;
  height: 112px;
}

.knowledge-shell-overview .knowledge-route-grid span {
  min-height: 26px;
  padding: 0 9px;
}

.knowledge-shell-overview .knowledge-route-grid strong {
  font-size: 20px;
}

.knowledge-section {
  padding-top: 42px;
  scroll-margin-top: 132px;
}

.knowledge-section h2 {
  margin: 0;
  color: #005460;
  font-size: 30px;
  line-height: 1.28;
  letter-spacing: 0;
}

.knowledge-section p {
  max-width: 760px;
  margin: 12px 0 0;
  color: #3f484a;
  line-height: 1.7;
}

.color-swatch-section {
  padding-top: 36px;
}

.color-swatch-head {
  display: block;
}

.color-swatch-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(72px, 1fr));
  gap: 6px;
  width: 100%;
  padding: 6px;
  background: #eef7f8;
  border: 1px solid rgba(0, 84, 96, 0.14);
  border-radius: 8px;
}

.color-swatch-tabs button {
  display: grid;
  min-height: 48px;
  place-items: center;
  color: #005460;
  appearance: none;
  background: transparent;
  border: 0;
  border-radius: 6px;
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 900;
}

.color-swatch-tabs button:hover,
.color-swatch-tabs button:focus-visible,
.color-swatch-tabs button.is-active {
  color: #fff;
  background: #005460;
}

.color-swatch-panel[hidden] {
  display: none;
}

.color-swatch-group {
  padding-top: 18px;
  scroll-margin-top: 132px;
}

.color-swatch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(142px, 1fr));
  gap: 14px;
}

.color-swatch-card {
  display: grid;
  min-width: 0;
  overflow: hidden;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  box-shadow: 0 10px 18px -14px rgba(17, 24, 39, 0.34);
}

.color-swatch-block {
  display: block;
  min-height: 116px;
  background: var(--swatch, #d7dee6);
  border-bottom: 1px solid #edf2f7;
}

.color-swatch-block img {
  display: block;
  width: 100%;
  height: 116px;
  object-fit: cover;
}

.color-swatch-block[style*="#ffffff"],
.color-swatch-block[style*="#fff"] {
  box-shadow: inset 0 0 0 1px #e5e7eb;
}

.texture-wood {
  background:
    linear-gradient(92deg, transparent 0 15%, rgba(255, 255, 255, 0.18) 16% 18%, transparent 19% 36%, rgba(0, 0, 0, 0.12) 37% 39%, transparent 40% 100%),
    repeating-linear-gradient(88deg, color-mix(in srgb, var(--grain) 68%, transparent) 0 2px, transparent 2px 11px),
    radial-gradient(ellipse at 22% 42%, color-mix(in srgb, var(--grain-2) 76%, transparent) 0 8%, transparent 9%),
    linear-gradient(90deg, var(--base), var(--grain-2) 48%, var(--base));
}

.texture-stone {
  background:
    linear-gradient(125deg, transparent 0 31%, color-mix(in srgb, var(--vein) 64%, transparent) 32% 33%, transparent 34% 100%),
    linear-gradient(68deg, transparent 0 48%, color-mix(in srgb, var(--vein-2) 58%, transparent) 49% 50%, transparent 51% 100%),
    radial-gradient(ellipse at 24% 28%, color-mix(in srgb, var(--vein-2) 42%, transparent) 0 18%, transparent 19%),
    radial-gradient(ellipse at 78% 68%, color-mix(in srgb, var(--vein) 34%, transparent) 0 22%, transparent 23%),
    var(--base);
}

.color-swatch-card strong,
.color-swatch-card em {
  display: block;
  padding: 0 14px;
}

.color-swatch-card strong {
  padding-top: 13px;
  color: #131b2e;
  font-size: 17px;
  line-height: 1.2;
}

.color-swatch-card strong:last-child {
  padding-bottom: 14px;
}

.color-swatch-card em {
  padding-top: 4px;
  padding-bottom: 14px;
  color: #64748b;
  font-size: 15px;
  font-style: normal;
  font-weight: 800;
}

.color-swatch-note {
  display: grid;
  grid-template-columns: minmax(92px, 0.18fr) minmax(0, 1fr);
  gap: 14px;
  margin-top: 24px;
  padding: 18px 20px;
  color: #334155;
  background: #f8fafb;
  border: 1px solid #d7dee6;
  border-left: 4px solid #005460;
  border-radius: 8px;
}

.color-swatch-note strong {
  color: #005460;
  font-size: 17px;
}

.color-swatch-note span {
  line-height: 1.7;
}

.knowledge-comparison-table-wrap {
  margin-top: 18px;
  overflow: visible;
}

.knowledge-comparison-table {
  min-width: 0;
  table-layout: fixed;
}

.knowledge-comparison-table th,
.knowledge-comparison-table td {
  padding: 14px 12px;
  text-align: center;
  vertical-align: middle;
  word-break: break-word;
}

.knowledge-comparison-table th:first-child,
.knowledge-comparison-table td:first-child {
  width: 88px;
}

.knowledge-comparison-table td:nth-child(n + 2) {
  text-align: left;
}

.knowledge-material-table-wrap {
  margin-top: 18px;
  overflow: visible;
}

.knowledge-material-table {
  min-width: 0;
  table-layout: fixed;
}

.knowledge-material-table th,
.knowledge-material-table td {
  padding: 14px 10px;
  text-align: center;
  vertical-align: middle;
  word-break: break-word;
}

.knowledge-material-table th:first-child,
.knowledge-material-table td:first-child {
  width: 82px;
}

.knowledge-material-table th:nth-child(2),
.knowledge-material-table td:nth-child(2) {
  width: 92px;
}

.knowledge-material-table th:nth-child(5),
.knowledge-material-table td:nth-child(5),
.knowledge-material-table th:nth-child(6),
.knowledge-material-table td:nth-child(6) {
  width: 82px;
}

.knowledge-material-table td:nth-child(n + 3) {
  text-align: left;
}

.knowledge-material-table td:nth-child(n + 4) {
  text-align: center;
}

.knowledge-size-diagram {
  max-width: 680px;
  margin: 18px auto 0;
  padding: 0 132px 58px 0;
}

.size-board {
  position: relative;
  display: grid;
  width: min(100%, 560px);
  aspect-ratio: 2.85 / 1;
  place-items: center;
  color: #005460;
  background:
    linear-gradient(135deg, rgba(0, 84, 96, 0.08), rgba(229, 233, 255, 0.42)),
    #fff;
  border: 2px solid #005460;
  border-radius: 0;
  box-shadow: 0 14px 28px rgba(17, 24, 39, 0.08);
}

.size-arrow,
.size-arrow::before,
.size-arrow::after,
.size-extension,
.size-label::before,
.size-label::after {
  position: absolute;
  content: "";
  background: #005460;
}

.size-arrow-length {
  right: 0;
  bottom: -30px;
  left: 0;
  height: 1px;
}

.size-arrow-width {
  top: 0;
  right: -30px;
  bottom: 0;
  width: 1px;
}

.size-extension-left,
.size-extension-right {
  bottom: -44px;
  width: 1px;
  height: 28px;
}

.size-extension-left {
  left: 0;
}

.size-extension-right {
  right: 0;
}

.size-extension-top,
.size-extension-bottom {
  right: -44px;
  width: 28px;
  height: 1px;
}

.size-extension-top {
  top: 0;
}

.size-extension-bottom {
  bottom: 0;
}

.size-arrow-length::before,
.size-arrow-length::after {
  width: 14px;
  height: 14px;
  background: transparent;
  border-color: #005460;
  border-style: solid;
}

.size-arrow-length::before {
  top: -14px;
  left: 0;
  border-width: 0 0 2px 2px;
  transform-origin: left bottom;
  transform: rotate(45deg);
}

.size-arrow-length::after {
  top: 0;
  right: 0;
  border-width: 2px 2px 0 0;
  transform-origin: right top;
  transform: rotate(45deg);
}

.size-arrow-width::before,
.size-arrow-width::after {
  width: 14px;
  height: 14px;
  background: transparent;
  border-color: #005460;
  border-style: solid;
}

.size-arrow-width::before {
  right: -14px;
  top: 0;
  border-width: 2px 0 0 2px;
  transform-origin: left top;
  transform: rotate(45deg);
}

.size-arrow-width::after {
  right: 0;
  bottom: 0;
  border-width: 0 2px 2px 0;
  transform-origin: right bottom;
  transform: rotate(45deg);
}

.size-board strong {
  font-size: 22px;
  line-height: 1.2;
}

.size-label {
  position: absolute;
  color: #334155;
  background: #fff;
  border: 1px solid #d7dee6;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 900;
  line-height: 1.2;
  padding: 6px 10px;
}

.size-label-length {
  right: 50%;
  bottom: -45px;
  transform: translateX(50%);
}

.size-label-width {
  top: 50%;
  right: -166px;
  transform: translateY(-38px);
}

.size-label-length::before,
.size-label-length::after,
.size-label-width::before,
.size-label-width::after {
  display: none;
}

.size-note {
  position: absolute;
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 0 11px;
  color: #334155;
  background: #eef7f8;
  border: 1px solid rgba(0, 84, 96, 0.14);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 900;
}

.size-note-length {
  bottom: -88px;
  left: 50%;
  transform: translateX(-50%);
}

.size-note-width {
  top: 50%;
  right: -166px;
  transform: translateY(8px);
  white-space: nowrap;
}

.knowledge-structure-figure {
  margin: 24px 0 0;
  overflow: hidden;
  background:
    #f8fafb url("./assets/generated/aluminum-panel-structure-photo-base.webp")
    center / cover no-repeat;
  border: 1px solid #d7dee6;
  border-radius: 8px;
  box-shadow: 0 14px 28px rgba(17, 24, 39, 0.08);
}

.knowledge-structure-figure img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: contain;
}

.installation-flow-figure {
  position: relative;
  margin: 22px 0 0;
  overflow: hidden;
  padding: 20px;
  background:
    linear-gradient(135deg, rgba(0, 84, 96, 0.07), rgba(255, 255, 255, 0) 48%),
    repeating-linear-gradient(90deg, rgba(0, 84, 96, 0.035) 0 1px, transparent 1px 28px),
    #f8fafb;
  border: 1px solid rgba(0, 84, 96, 0.12);
  border-radius: 8px;
  box-shadow: 0 14px 28px rgba(17, 24, 39, 0.08);
}

.installation-flow-list {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.installation-flow-list::before {
  position: absolute;
  display: block;
  top: 50%;
  right: 8%;
  left: 8%;
  height: 2px;
  content: "";
  background: linear-gradient(90deg, rgba(0, 84, 96, 0.18), rgba(0, 84, 96, 0.62), rgba(216, 153, 67, 0.7));
  transform: translateY(-50%);
}

.installation-flow-step {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 96px;
  align-items: center;
  gap: 9px;
  padding: 18px 18px 18px 16px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(0, 84, 96, 0.14);
  border-right: 0;
  box-shadow: 0 10px 20px rgba(17, 24, 39, 0.06);
}

.installation-flow-step:first-child {
  border-radius: 8px 0 0 8px;
}

.installation-flow-step:last-child {
  border-right: 1px solid rgba(0, 84, 96, 0.14);
  border-radius: 0 8px 8px 0;
}

.installation-flow-step::after {
  position: absolute;
  display: block;
  top: 50%;
  right: -10px;
  z-index: 2;
  width: 20px;
  height: 20px;
  content: "";
  background: rgba(255, 255, 255, 0.96);
  border-top: 1px solid rgba(0, 84, 96, 0.18);
  border-right: 1px solid rgba(0, 84, 96, 0.18);
  transform: rotate(45deg);
}

.installation-flow-step:last-child::after {
  display: none;
}

.installation-flow-index {
  position: relative;
  z-index: 3;
  flex: 0 0 auto;
  display: inline-grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: #fff;
  background: #005460;
  border: 3px solid #fff;
  border-radius: 50%;
  box-shadow: 0 8px 14px rgba(0, 84, 96, 0.22);
  font-size: 12px;
  font-weight: 900;
  line-height: 1;
}

.installation-flow-step:last-child .installation-flow-index {
  background: #d89943;
  box-shadow: 0 8px 14px rgba(216, 153, 67, 0.24);
}

.installation-flow-step strong {
  position: relative;
  z-index: 3;
  color: #131b2e;
  font-size: clamp(16px, 1.25vw, 19px);
  line-height: 1.24;
  word-break: keep-all;
}

.installation-photo-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.installation-photo-card {
  margin: 0;
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(0, 84, 96, 0.12);
  border-radius: 8px;
  box-shadow: 0 12px 22px rgba(17, 24, 39, 0.07);
}

.installation-photo-card img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.installation-photo-placeholder {
  position: relative;
  display: grid;
  aspect-ratio: 16 / 10;
  place-items: center;
  color: #005460;
  background:
    linear-gradient(135deg, rgba(0, 84, 96, 0.1), rgba(216, 153, 67, 0.08)),
    repeating-linear-gradient(90deg, rgba(0, 84, 96, 0.04) 0 1px, transparent 1px 24px),
    repeating-linear-gradient(0deg, rgba(0, 84, 96, 0.035) 0 1px, transparent 1px 24px),
    #f8fafb;
}

.installation-photo-placeholder::before,
.installation-photo-placeholder::after {
  position: absolute;
  content: "";
}

.installation-photo-placeholder::before {
  inset: 18px;
  border: 1px dashed rgba(0, 84, 96, 0.24);
  border-radius: 8px;
}

.installation-photo-placeholder::after {
  width: 52px;
  height: 38px;
  border: 2px solid rgba(0, 84, 96, 0.22);
  border-radius: 6px;
  box-shadow: inset 0 -12px 0 rgba(0, 84, 96, 0.08);
}

.installation-photo-placeholder span {
  position: relative;
  z-index: 1;
  display: inline-grid;
  width: 40px;
  height: 40px;
  place-items: center;
  color: #fff;
  background: #005460;
  border: 3px solid #fff;
  border-radius: 50%;
  box-shadow: 0 10px 18px rgba(0, 84, 96, 0.18);
  font-size: 14px;
  font-weight: 900;
  line-height: 1;
}

.installation-photo-card:last-child .installation-photo-placeholder span {
  background: #d89943;
  box-shadow: 0 10px 18px rgba(216, 153, 67, 0.2);
}

.installation-photo-card figcaption {
  display: grid;
  min-height: 122px;
  align-content: start;
  gap: 8px;
  padding: 16px;
}

.installation-photo-card figcaption strong {
  color: #131b2e;
  font-size: 17px;
  font-weight: 900;
  line-height: 1.3;
}

.installation-photo-card figcaption span {
  color: #3f484a;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.7;
}

.installation-joint-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 22px;
}

.installation-joint-card {
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(0, 84, 96, 0.14);
  border-radius: 8px;
  box-shadow: 0 12px 24px rgba(17, 24, 39, 0.07);
}

.installation-joint-diagram {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 44px minmax(0, 1fr);
  align-items: center;
  min-height: 190px;
  padding: 40px 26px 54px;
  overflow: hidden;
  background:
    repeating-linear-gradient(90deg, rgba(0, 84, 96, 0.035) 0 1px, transparent 1px 26px),
    linear-gradient(180deg, #f8fafb, #eef3f5);
  border-bottom: 1px solid #dce5ea;
}

.installation-joint-diagram--tight {
  grid-template-columns: minmax(0, 1fr) 12px minmax(0, 1fr);
}

.installation-joint-panel {
  position: relative;
  z-index: 2;
  display: block;
  height: 106px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.8), transparent 36%),
    #bdc8d0;
  border: 2px solid #81909b;
  box-shadow: inset 0 -12px 0 rgba(59, 72, 82, 0.08);
}

.installation-joint-panel:first-child {
  border-radius: 6px 0 0 6px;
}

.installation-joint-panel:nth-child(3) {
  border-radius: 0 6px 6px 0;
}

.installation-joint-gap {
  position: relative;
  z-index: 3;
  display: block;
  height: 92px;
  background: #253642;
  border: 7px solid #657580;
  border-top-width: 4px;
  border-bottom-width: 4px;
}

.installation-joint-diagram--open .installation-joint-gap::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 15px;
  height: 15px;
  content: "";
  background: #d6dde1;
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.installation-joint-diagram--tight .installation-joint-gap {
  height: 106px;
  background: #1f3942;
  border: 0;
}

.installation-joint-gap i {
  position: absolute;
  top: -34px;
  left: 50%;
  padding: 4px 8px;
  color: #005460;
  background: #fff;
  border: 1px solid rgba(0, 84, 96, 0.16);
  border-radius: 999px;
  font-size: 11px;
  font-style: normal;
  font-weight: 900;
  white-space: nowrap;
  transform: translateX(-50%);
}

.installation-joint-diagram b {
  position: absolute;
  right: 26px;
  bottom: 18px;
  left: 26px;
  display: grid;
  min-height: 22px;
  place-items: center;
  color: #fff;
  background: #526574;
  border-radius: 4px;
  font-size: 11px;
}

.installation-joint-copy {
  padding: 20px;
}

.installation-joint-copy > span,
.installation-joint-copy > strong {
  display: block;
}

.installation-joint-tag {
  color: #005460;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.8px;
}

.installation-joint-copy > strong {
  margin-top: 7px;
  color: #131b2e;
  font-size: 22px;
}

.installation-joint-copy p {
  margin-top: 10px;
}

.installation-joint-copy ul {
  display: grid;
  gap: 7px;
  margin: 14px 0 0;
  padding-left: 20px;
  color: #334155;
  font-size: 14px;
  line-height: 1.55;
}

.production-process-stack {
  display: grid;
  gap: 22px;
  margin-top: 22px;
}

.production-process-board {
  --process-accent: #005460;
  --process-accent-soft: rgba(0, 84, 96, 0.08);
  margin: 0;
  overflow: hidden;
  padding: 22px;
  background:
    linear-gradient(145deg, var(--process-accent-soft), transparent 48%),
    repeating-linear-gradient(90deg, rgba(0, 84, 96, 0.03) 0 1px, transparent 1px 28px),
    #f8fafb;
  border: 1px solid rgba(0, 84, 96, 0.14);
  border-radius: 8px;
  box-shadow: 0 14px 28px rgba(17, 24, 39, 0.08);
}

.production-process-board--spray {
  --process-accent: #21606f;
  --process-accent-soft: rgba(33, 96, 111, 0.1);
}

.production-process-board figcaption {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  color: var(--process-accent);
  font-size: 24px;
  font-weight: 900;
  line-height: 1.25;
}

.production-process-board figcaption::before {
  width: 34px;
  height: 4px;
  content: "";
  background: var(--process-accent);
  border-radius: 999px;
}

.production-process-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  grid-template-rows: repeat(2, minmax(84px, auto));
  gap: 18px 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.production-process-step {
  position: relative;
  display: grid;
  min-width: 0;
  align-content: center;
  justify-items: center;
  gap: 7px;
  padding: 13px 9px;
  color: #fff;
  background: var(--process-accent);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 6px;
  box-shadow: 0 10px 18px rgba(0, 84, 96, 0.14);
  text-align: center;
}

.production-process-step span {
  display: grid;
  width: 28px;
  height: 22px;
  place-items: center;
  color: var(--process-accent);
  background: rgba(255, 255, 255, 0.92);
  border-radius: 999px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 11px;
  font-weight: 900;
}

.production-process-step strong {
  color: #fff;
  font-size: 15px;
  line-height: 1.35;
}

.production-process-step:nth-child(1) {
  grid-row: 1;
  grid-column: 1;
}

.production-process-step:nth-child(2) {
  grid-row: 1;
  grid-column: 2;
}

.production-process-step:nth-child(3) {
  grid-row: 1;
  grid-column: 3;
}

.production-process-step:nth-child(4) {
  grid-row: 1;
  grid-column: 4;
}

.production-process-step:nth-child(5) {
  grid-row: 1;
  grid-column: 5;
}

.production-process-step:nth-child(6) {
  grid-row: 2;
  grid-column: 5;
}

.production-process-step:nth-child(7) {
  grid-row: 2;
  grid-column: 4;
}

.production-process-step:nth-child(8) {
  grid-row: 2;
  grid-column: 3;
}

.production-process-step:nth-child(9) {
  grid-row: 2;
  grid-column: 2;
}

.production-process-step:nth-child(10) {
  grid-row: 2;
  grid-column: 1;
}

.production-process-step:nth-child(-n + 4)::after,
.production-process-step:nth-child(n + 6):nth-child(-n + 9)::after,
.production-process-step:nth-child(5)::after {
  position: absolute;
  z-index: 2;
  display: grid;
  place-items: center;
  color: var(--process-accent);
  font-size: 18px;
  font-weight: 900;
  line-height: 1;
}

.production-process-step:nth-child(-n + 4)::after {
  top: 50%;
  right: -22px;
  width: 22px;
  content: "→";
  transform: translateY(-50%);
}

.production-process-step:nth-child(5)::after {
  right: 50%;
  bottom: -18px;
  height: 18px;
  content: "↓";
  transform: translateX(50%);
}

.production-process-step:nth-child(n + 6):nth-child(-n + 9)::after {
  top: 50%;
  left: -22px;
  width: 22px;
  content: "←";
  transform: translateY(-50%);
}

.quality-inspection-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.quality-inspection-grid article {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 20px;
  background:
    linear-gradient(135deg, rgba(0, 84, 96, 0.055), transparent 48%),
    #fff;
  border: 1px solid rgba(0, 84, 96, 0.14);
  border-radius: 8px;
  box-shadow: 0 10px 20px rgba(17, 24, 39, 0.06);
}

.quality-inspection-index {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  color: #fff;
  background: #005460;
  border: 4px solid #eef7f8;
  border-radius: 50%;
  box-shadow: 0 8px 16px rgba(0, 84, 96, 0.18);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 12px;
  font-weight: 900;
}

.quality-inspection-grid strong {
  display: block;
  color: #131b2e;
  font-size: 18px;
  line-height: 1.35;
}

.quality-inspection-grid p {
  margin-top: 7px;
  color: #536062;
  font-size: 14px;
  line-height: 1.65;
}

.knowledge-callout {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  margin-top: 18px;
  padding: 16px 18px;
  color: #334155;
  background: #eef7f8;
  border: 1px solid rgba(0, 84, 96, 0.16);
  border-left: 4px solid #005460;
  border-radius: 8px;
}

.knowledge-callout strong {
  color: #005460;
}

.knowledge-callout span {
  line-height: 1.65;
}

.knowledge-callout--warning {
  background: #fff8ed;
  border-color: rgba(216, 153, 67, 0.28);
  border-left-color: #d89943;
}

.knowledge-callout--warning strong {
  color: #9a5c11;
}

.standard-cover-card {
  margin: 24px 0 0;
  overflow: hidden;
  background: #f8fafb;
  border: 1px solid #d7dee6;
  border-radius: 8px;
  box-shadow: 0 14px 28px rgba(17, 24, 39, 0.08);
}

.standard-cover-card img {
  display: block;
  width: min(100%, 460px);
  margin: 0 auto;
  background: #fff;
}

.standard-cover-card figcaption {
  padding: 12px 16px;
  color: #536062;
  background: #fff;
  border-top: 1px solid #e2e8f0;
  font-size: 13px;
  line-height: 1.5;
}

.standard-info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 20px;
}

.standard-info-grid div {
  display: grid;
  gap: 6px;
  min-height: 84px;
  padding: 16px;
  background: #f8fafb;
  border: 1px solid #d7dee6;
  border-radius: 8px;
}

.standard-info-grid span {
  color: #64748b;
  font-size: 13px;
  font-weight: 800;
}

.standard-info-grid strong {
  color: #131b2e;
  font-size: 17px;
  line-height: 1.45;
}

.knowledge-link-list {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.knowledge-link-list a {
  display: grid;
  grid-template-columns: minmax(180px, 0.34fr) minmax(0, 1fr);
  gap: 18px;
  align-items: center;
  padding: 18px 20px;
}

.knowledge-link-list strong {
  color: #131b2e;
  font-size: 18px;
}

.knowledge-link-list span {
  color: #3f484a;
}

.knowledge-next {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 46px;
  padding-top: 28px;
  border-top: 1px solid #e2e8f0;
}

.knowledge-next a {
  display: grid;
  gap: 6px;
  min-height: 92px;
  padding: 18px;
}

.knowledge-next span {
  color: #637083;
  font-size: 13px;
  font-weight: 800;
}

.knowledge-next strong {
  color: #005460;
  font-size: 20px;
}

.refined-scene-home-page {
  background: #f6f8f9;
}

.refined-scene-home-page main {
  background: linear-gradient(180deg, #edf3f5 0%, #ffffff 42%, #f5f7f8 100%);
}

.scene-visual-hero {
  position: relative;
  min-height: calc(100vh - 76px);
  display: flex;
  align-items: end;
  overflow: hidden;
  padding: 72px 40px 58px;
  color: #fff;
}

.scene-visual-media,
.scene-visual-overlay {
  position: absolute;
  inset: 0;
}

.scene-visual-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.04);
}

.scene-visual-overlay {
  background:
    linear-gradient(90deg, rgba(7, 19, 24, 0.92) 0%, rgba(11, 33, 42, 0.76) 48%, rgba(11, 33, 42, 0.28) 100%),
    linear-gradient(180deg, rgba(9, 22, 29, 0.18), rgba(9, 22, 29, 0.72));
}

.scene-visual-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(320px, 0.42fr);
  gap: 42px;
  align-items: end;
  width: min(1180px, 100%);
  margin-right: auto;
  margin-left: auto;
}

.scene-visual-copy h1 {
  max-width: 740px;
  margin: 0;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1.05;
  letter-spacing: 0;
}

.scene-visual-copy p:not(.eyebrow) {
  max-width: 680px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 19px;
}

.scene-visual-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 10px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.12), transparent 42%),
    rgba(16, 41, 52, 0.78);
  box-shadow: 0 22px 58px rgba(4, 15, 22, 0.28);
  backdrop-filter: blur(14px);
}

.scene-visual-panel a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 58px;
  padding: 0 14px;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
  font-weight: 900;
}

.scene-visual-panel a::after {
  color: #d3a15a;
  content: "→";
}

.scene-visual-panel a:first-child {
  grid-column: 1 / -1;
  min-height: 72px;
  background: rgba(255, 255, 255, 0.14);
  font-size: 20px;
}

.scene-showcase {
  padding: 72px 40px 86px;
}

.scene-showcase-heading,
.scene-showcase-grid {
  width: min(1180px, 100%);
  margin-right: auto;
  margin-left: auto;
}

.scene-showcase-heading {
  margin-bottom: 26px;
}

.scene-showcase-heading h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.14;
  letter-spacing: 0;
}

.scene-showcase-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  grid-auto-flow: dense;
  gap: 16px;
}

.scene-showcase-card {
  min-height: 224px;
  padding: 24px;
  background:
    linear-gradient(135deg, transparent 0%, transparent 62%, rgba(33, 96, 111, 0.08) 62.4%, rgba(33, 96, 111, 0.02) 100%),
    #fff;
  border: 1px solid rgba(17, 24, 39, 0.09);
  border-radius: 8px;
  box-shadow: 0 12px 30px rgba(17, 24, 39, 0.06);
  scroll-margin-top: 96px;
}

.scene-showcase-card-large {
  grid-column: span 2;
  grid-row: span 2;
  min-height: 464px;
  color: #fff;
  background:
    linear-gradient(180deg, rgba(12, 31, 39, 0.18), rgba(12, 31, 39, 0.88)),
    url("./assets/hero-aluminum-panels.webp") center / cover;
  border-color: rgba(255, 255, 255, 0.16);
}

.scene-showcase-card-wide {
  grid-column: span 2;
}

.scene-showcase-card span,
.scene-showcase-card h3,
.scene-showcase-card p {
  display: block;
}

.scene-showcase-card span {
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 900;
}

.scene-showcase-card-large span {
  color: #f0b867;
}

.scene-showcase-card h3 {
  margin: 12px 0 10px;
  color: var(--steel-dark);
  font-size: 26px;
  line-height: 1.18;
}

.scene-showcase-card-large h3 {
  color: #fff;
  font-size: clamp(34px, 5vw, 56px);
}

.scene-showcase-card p {
  margin: 0;
  color: var(--muted);
}

.scene-showcase-card-large p {
  max-width: 520px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 18px;
}

.docs-home-page {
  background: #ffffff;
  overflow-x: hidden;
}

.docs-home-page main {
  background:
    linear-gradient(180deg, #f8fafc 0%, #ffffff 28%, #f6f8fa 100%);
}

.docs-hero {
  padding: 58px 40px 46px;
  border-bottom: 1px solid rgba(17, 24, 39, 0.08);
  background:
    linear-gradient(180deg, rgba(248, 250, 252, 0.96), rgba(255, 255, 255, 0.98)),
    url("./assets/hero-aluminum-panels.webp") center / cover;
}

.docs-hero-inner,
.docs-section > * {
  width: min(1180px, 100%);
  margin-right: auto;
  margin-left: auto;
}

.docs-hero-copy {
  width: min(1040px, 100%);
}

.docs-hero h1 {
  max-width: 760px;
  margin: 0;
  color: #111827;
  font-size: clamp(38px, 5vw, 60px);
  line-height: 1.1;
  letter-spacing: 0;
}

.hero-flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin-top: 30px;
  counter-reset: step;
}

.hero-flow a {
  position: relative;
  display: grid;
  gap: 6px;
  min-height: 112px;
  padding: 18px 18px 16px;
  background: #fff;
  border: 1px solid rgba(17, 24, 39, 0.1);
  border-radius: 8px;
  box-shadow: 0 1px 0 rgba(17, 24, 39, 0.03);
}

.hero-flow a:not(:last-child)::after {
  position: absolute;
  top: 50%;
  right: -16px;
  z-index: 1;
  width: 22px;
  height: 22px;
  color: var(--steel);
  content: "→";
  font-size: 18px;
  font-weight: 900;
  line-height: 22px;
  text-align: center;
  transform: translateY(-50%);
}

.hero-flow strong {
  color: var(--steel-dark);
  font-size: 18px;
  line-height: 1.25;
}

.hero-flow span {
  color: var(--muted);
  font-size: 13px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.hero-tags a {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  color: #344457;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 800;
}

.btn-outline {
  color: var(--steel-dark);
  background: #fff;
  border-color: #cdd7e2;
}

.btn-outline:hover {
  border-color: rgba(33, 96, 111, 0.32);
  background: #f3f7f9;
  transform: translateY(-1px);
}

.docs-section {
  padding: 66px 40px;
  scroll-margin-top: 96px;
}

.docs-section.tinted {
  background: #f7f9fb;
  border-top: 1px solid rgba(17, 24, 39, 0.06);
  border-bottom: 1px solid rgba(17, 24, 39, 0.06);
}

.docs-section-heading {
  margin-bottom: 22px;
}

.docs-section-heading h2 {
  max-width: 760px;
  margin: 0;
  color: #111827;
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.18;
  letter-spacing: 0;
}

.doc-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.scene-card-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.product-category-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.knowledge-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.doc-card-grid article,
.reference-panel {
  min-height: 154px;
  padding: 20px;
  background: #fff;
  border: 1px solid rgba(17, 24, 39, 0.1);
  border-radius: 8px;
  box-shadow: 0 1px 0 rgba(17, 24, 39, 0.03);
}

.doc-card-grid article {
  display: grid;
  align-content: start;
  gap: 9px;
}

.doc-card-grid h3,
.reference-panel h3 {
  margin: 0;
  color: var(--steel-dark);
  font-size: 18px;
  line-height: 1.3;
}

.doc-card-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.58;
}

.section-action {
  margin-top: 22px;
}

.market-reference-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 16px;
}

.reference-panel {
  min-height: 248px;
}

.panel-label {
  display: inline-flex;
  margin-bottom: 12px;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 900;
}

.data-placeholder {
  display: grid;
  place-items: center;
  min-height: 74px;
  margin: 16px 0;
  color: var(--muted);
  background: #f4f7f9;
  border: 1px dashed #cbd5e1;
  border-radius: 8px;
  font-weight: 800;
}

.plain-list {
  display: grid;
  gap: 8px;
  margin: 0 0 20px;
  padding: 0;
  color: var(--muted);
  list-style: none;
}

.plain-list li {
  position: relative;
  padding-left: 16px;
}

.plain-list li::before {
  position: absolute;
  top: 0;
  left: 0;
  color: var(--steel);
  content: "·";
  font-weight: 900;
}

.thickness-link-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 18px 0 22px;
}

.thickness-link-grid a,
.province-grid a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 50px;
  padding: 0 14px;
  color: #233447;
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-weight: 800;
}

.thickness-link-grid a::after,
.province-grid a::after {
  color: var(--accent);
  content: "→";
}

.province-grid {
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  gap: 10px;
}

.quote-strip {
  display: grid;
  grid-template-columns: minmax(260px, 0.55fr) minmax(0, 1fr);
  gap: 34px;
  align-items: start;
  color: #fff;
  background: var(--steel-dark);
}

.quote-strip > * {
  width: auto;
  margin: 0;
}

.quote-strip h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.18;
  letter-spacing: 0;
}

.quote-strip .eyebrow {
  color: #d39a4f;
}

.compact-demand-form {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  box-shadow: none;
}

.compact-demand-form .btn-secondary {
  color: var(--steel-dark);
  background: #eef4f7;
  border-color: #d7e1e8;
}

.scene-home-page .docs-hero {
  padding-top: 44px;
  padding-bottom: 34px;
  background:
    linear-gradient(180deg, rgba(250, 252, 253, 0.98), rgba(255, 255, 255, 0.98)),
    url("./assets/hero-aluminum-panels.webp") center / cover;
}

.scene-home-page .docs-hero h1 {
  max-width: 720px;
  font-size: clamp(34px, 4.2vw, 52px);
}

.scene-index {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.scene-index a {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  color: var(--steel-dark);
  background: #fff;
  border: 1px solid #dce4ea;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 800;
  box-shadow: 0 1px 0 rgba(17, 24, 39, 0.03);
}

.scene-docs {
  padding: 38px 40px 68px;
  background: #fff;
}

.scene-docs-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 34px;
  width: min(1180px, 100%);
  margin-right: auto;
  margin-left: auto;
}

.scene-toc {
  position: sticky;
  top: 104px;
  display: grid;
  align-content: start;
  gap: 4px;
  max-height: calc(100vh - 128px);
  padding: 14px;
  overflow: auto;
  border: 1px solid #e5ebf0;
  border-radius: 8px;
  background: #fbfcfd;
}

.scene-toc strong {
  padding: 4px 8px 10px;
  color: #111827;
  font-size: 13px;
}

.scene-toc a {
  padding: 8px;
  color: #566576;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
}

.scene-toc a:hover {
  color: var(--steel-dark);
  background: #eef4f7;
}

.scene-content {
  display: grid;
  gap: 12px;
}

.scene-content-heading {
  margin-bottom: 6px;
}

.scene-content-heading h2 {
  margin: 0;
  color: #111827;
  font-size: 34px;
  line-height: 1.18;
}

.scene-doc-card {
  display: grid;
  grid-template-columns: minmax(210px, 0.55fr) minmax(0, 1fr);
  gap: 22px;
  align-items: start;
  scroll-margin-top: 104px;
  padding: 20px;
  background: #fff;
  border: 1px solid #e1e7ed;
  border-radius: 8px;
  box-shadow: 0 1px 0 rgba(17, 24, 39, 0.03);
}

.scene-doc-card > div:first-child span {
  display: inline-flex;
  margin-bottom: 10px;
  color: #9aa6b2;
  font-size: 12px;
  font-weight: 900;
}

.scene-doc-card h3 {
  margin: 0;
  color: var(--steel-dark);
  font-size: 21px;
  line-height: 1.25;
}

.scene-doc-card p {
  margin: 9px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.65;
}

.scene-doc-card dl {
  display: grid;
  gap: 0;
  margin: 0;
  border-top: 1px solid #e5ebf0;
}

.scene-doc-card dl div {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr);
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid #e5ebf0;
}

.scene-doc-card dt {
  color: var(--steel);
  font-size: 14px;
  font-weight: 900;
}

.scene-doc-card dd {
  margin: 0;
  color: #344457;
  font-size: 14px;
}

.scene-next-step {
  color: #fff;
  background: var(--steel-dark);
}

.scene-next-step > div {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.scene-next-step h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.18;
}

.scene-next-step .eyebrow {
  color: #d39a4f;
}

.scene-next-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.redirect-page {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 40px;
  text-align: center;
}

.redirect-page h1 {
  margin: 0;
  font-size: 38px;
}

.redirect-page p {
  margin: 12px 0 24px;
  color: var(--muted);
}

@media (max-width: 920px) {
  body {
    padding-top: 76px;
    padding-bottom: 72px;
  }

  .site-header {
    padding: 0 20px;
  }

  .nav {
    display: none;
  }

  .portal-home-page {
    padding-top: 64px;
    padding-bottom: 0;
  }

  .portal-header {
    grid-template-columns: minmax(0, 1fr) 118px;
    gap: 12px;
    padding: 0 18px;
  }

  .portal-brand {
    font-size: 22px;
  }

  .portal-nav,
  .portal-search,
  .portal-icons {
    display: none;
  }

  .portal-submit {
    font-size: 10px;
  }

  .portal-main {
    padding: 22px;
  }

  .portal-top-grid,
  .portal-columns,
  .portal-report-grid,
  .portal-footer {
    grid-template-columns: 1fr;
  }

  .portal-lead-card,
  .portal-inquiry-card {
    grid-column: auto;
  }

  .portal-lead-card,
  .portal-lead-card img {
    min-height: 360px;
  }

  .portal-lead-content {
    right: 20px;
    bottom: 24px;
    left: 20px;
  }

  .portal-lead-content h1 {
    font-size: 26px;
  }

  .portal-lead-content p {
    font-size: 14px;
  }

  .portal-inquiry-card {
    min-height: 0;
  }

  .portal-columns {
    gap: 28px;
  }

  .portal-market-title {
    align-items: start;
    flex-direction: column;
  }

  .portal-report-grid {
    gap: 14px;
  }

  .portal-footer {
    gap: 26px;
    padding: 38px 22px;
  }

  .project-home-page {
    padding-top: 72px;
  }

  .project-header {
    grid-template-columns: minmax(0, 1fr) 108px;
    gap: 14px;
    height: 72px;
    padding: 0 18px;
  }

  .project-brand {
    min-width: 0;
    margin-left: 0;
  }

  .project-brand .brand-logo {
    width: 128px;
  }

  .project-nav,
  .project-icons {
    display: none;
  }

  .project-desk {
    width: 108px;
    min-height: 44px;
    font-size: 15px;
  }

  .project-header.project-menu-ready {
    grid-template-columns: minmax(0, 1fr) 44px;
    gap: 12px;
  }

  .site-header.project-menu-ready {
    z-index: 40;
    gap: 12px;
  }

  .project-header.project-menu-ready .project-desk,
  .site-header.project-menu-ready .header-cta {
    display: none;
  }

  .project-menu-toggle {
    position: relative;
    z-index: 45;
    display: grid;
    width: 44px;
    height: 44px;
    padding: 11px;
    place-self: center end;
    align-content: center;
    gap: 5px;
    color: #005460;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    transition:
      background 160ms ease,
      border-color 160ms ease,
      box-shadow 160ms ease;
  }

  .project-menu-toggle:hover {
    background: #eef6f6;
  }

  .project-menu-toggle.is-open {
    background: #fff;
    border-color: #b9ced1;
    box-shadow: 0 2px 8px rgba(0, 84, 96, 0.1);
  }

  .project-menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: currentColor;
    border-radius: 999px;
    transition:
      transform 160ms ease,
      opacity 160ms ease;
  }

  .project-menu-toggle:focus-visible {
    outline: 3px solid rgba(0, 84, 96, 0.22);
    outline-offset: 2px;
  }

  .project-menu-toggle.is-open span:first-child {
    transform: translateY(7px) rotate(45deg);
  }

  .project-menu-toggle.is-open span:nth-child(2) {
    opacity: 0;
  }

  .project-menu-toggle.is-open span:last-child {
    transform: translateY(-7px) rotate(-45deg);
  }

  .project-header.project-menu-ready .project-nav,
  .site-header.project-menu-ready .nav {
    position: fixed;
    top: 72px;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 43;
    display: flex;
    width: 100%;
    height: calc(100dvh - 72px);
    padding:
      24px max(28px, calc((100vw - 288px) / 2))
      calc(96px + env(safe-area-inset-bottom));
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    overflow-y: auto;
    background: #f7f8f4;
    box-shadow: none;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(-10px);
    transition:
      transform 180ms ease,
      opacity 160ms ease,
      visibility 180ms ease;
  }

  .site-header.project-menu-ready .nav {
    top: 76px;
    height: calc(100dvh - 76px);
  }

  .project-header.project-menu-ready .project-nav::before,
  .site-header.project-menu-ready .nav::before {
    display: none;
    content: "";
  }

  .project-header.is-menu-open .project-nav,
  .site-header.is-menu-open .nav {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  .project-header.project-menu-ready .project-nav a,
  .site-header.project-menu-ready .nav a {
    position: relative;
    display: flex;
    min-height: 48px;
    padding: 0;
    align-items: center;
    justify-content: space-between;
    color: #131b2e;
    background: transparent;
    border-bottom: 1px solid #d8ddd7;
    border-radius: 0;
    font-size: 15px;
    font-weight: 800;
    transition: color 160ms ease;
  }

  .project-header.project-menu-ready .project-nav a::after,
  .site-header.project-menu-ready .nav a::after {
    position: static;
    width: auto;
    height: auto;
    color: #7e969b;
    content: "";
    background: none;
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0.08em;
  }

  .project-header.project-menu-ready .project-nav a:hover,
  .site-header.project-menu-ready .nav a:hover {
    color: #005460;
    padding-left: 0;
    background: transparent;
  }

  .project-header.project-menu-ready .project-nav a.is-active,
  .site-header.project-menu-ready .nav a.is-active {
    color: #005460;
  }

  .project-header.project-menu-ready .project-nav a.is-active::after,
  .site-header.project-menu-ready .nav a.is-active::after {
    color: #005460;
    content: "当前";
    font-size: 11px;
    font-weight: 900;
    letter-spacing: 0.08em;
  }

  body.project-menu-open {
    overflow: hidden;
  }

  .project-main {
    padding: 28px 22px 56px;
  }

  .project-hero-grid,
  .live-market-grid,
  .project-application-grid,
  .project-guide-grid,
  .project-footer {
    grid-template-columns: 1fr;
  }

  .project-hero-card,
  .project-inquiry {
    grid-column: auto;
  }

  .project-hero-card {
    height: 430px;
  }

  .project-hero-copy {
    left: 28px;
    width: calc(100% - 56px);
  }

  .project-hero-copy h1 {
    font-size: 42px;
  }

  .project-hero-copy p {
    font-size: 16px;
  }

  .project-inquiry {
    min-height: 0;
  }

  .project-section-head {
    align-items: start;
    flex-direction: column;
  }

  .project-flow {
    padding: 38px 24px;
  }

  .project-flow-head a {
    position: static;
    width: fit-content;
    margin-top: 12px;
  }

  .project-flow-line {
    grid-template-columns: 1fr;
    gap: 18px;
    margin-top: 32px;
  }

  .project-flow-line::before {
    display: none;
  }

  .project-flow-line article {
    justify-items: start;
    grid-template-columns: 40px minmax(0, 1fr);
    text-align: left;
  }

  .project-flow-line em {
    grid-column: 2;
  }

  .project-footer {
    gap: 28px;
    padding: 42px 22px 42px 27px;
  }

  .project-inner-page {
    padding-top: 72px;
  }

  .project-inner-main {
    padding: 28px 22px 56px;
  }

  .inner-page-shell,
  .inner-grid,
  .inner-factor-grid,
  .inner-feature-grid,
  .inner-map-grid,
  .inner-library-layout {
    grid-template-columns: 1fr;
  }

  .inner-sidebar {
    position: static;
    order: 2;
  }

  .inner-content {
    order: 1;
  }

  .inner-hero-copy {
    min-height: 360px;
    padding: 34px 28px;
  }

  .inner-hero h1 {
    font-size: 31px;
  }

  .inner-section-head,
  .inner-form-header {
    align-items: start;
    flex-direction: column;
  }

  .inner-form {
    grid-template-columns: 1fr;
  }

  .knowledge-shell {
    grid-template-columns: 1fr;
    gap: 22px;
    padding: 28px 22px 56px;
  }

  .knowledge-shell-overview {
    padding-top: 28px;
  }

  .knowledge-sidebar,
  .knowledge-toc {
    position: static;
  }

  .knowledge-sidebar {
    order: 2;
  }

  .knowledge-article {
    order: 1;
    padding: 30px 24px;
  }

  .knowledge-mobile-back {
    display: inline-flex;
    width: fit-content;
    min-height: 34px;
    align-items: center;
    gap: 6px;
    margin-bottom: 12px;
    padding: 0;
    color: #687780;
    font-size: 13px;
    font-weight: 800;
    line-height: 1.2;
  }

  .knowledge-mobile-back::before {
    content: "←";
    font-size: 17px;
    font-weight: 700;
    line-height: 1;
  }

  .knowledge-mobile-back:hover,
  .knowledge-mobile-back:focus-visible {
    color: #005460;
  }

  .knowledge-article-head:not(:has(img)) .knowledge-mobile-back {
    color: #687780;
  }

  .knowledge-article-head:has(img) .knowledge-mobile-back {
    color: rgba(255, 255, 255, 0.86);
  }

  .knowledge-shell-overview .knowledge-article {
    padding: 30px 24px;
  }

  .knowledge-shell-overview .knowledge-article-head {
    min-height: 300px;
    margin: -30px -24px 24px;
    padding: 34px 28px;
  }

  .knowledge-toc {
    order: 3;
  }

  .knowledge-quote-card {
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 18px 24px;
    align-items: center;
    padding: 22px;
  }

  .knowledge-quote-card .knowledge-quote-copy {
    grid-row: 1;
    grid-column: 2;
  }

  .knowledge-quote-card > img {
    grid-row: 1 / span 2;
    grid-column: 1;
  }

  .knowledge-quote-card .knowledge-quote-action {
    grid-row: 2;
    grid-column: 2;
  }

  .knowledge-route-grid,
  .knowledge-next {
    grid-template-columns: 1fr;
  }

  .knowledge-shell-overview .knowledge-route-grid {
    gap: 14px;
  }

  .knowledge-shell-overview .knowledge-route-grid a {
    min-height: 120px;
  }

  .knowledge-link-list a {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .installation-flow-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .installation-flow-list::before,
  .installation-flow-step::after {
    display: none;
  }

  .installation-flow-step,
  .installation-flow-step:first-child,
  .installation-flow-step:last-child {
    min-height: 88px;
    border: 1px solid rgba(0, 84, 96, 0.14);
    border-radius: 8px;
  }

  .production-process-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: auto;
    gap: 12px;
  }

  .production-process-step:nth-child(n) {
    grid-row: auto;
    grid-column: auto;
    min-height: 82px;
  }

  .production-process-step::after {
    display: none !important;
  }

  .quality-inspection-grid,
  .installation-joint-grid,
  .product-sample-detail {
    grid-template-columns: 1fr;
  }

  .perforation-pattern-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-sample-detail-visual {
    min-height: 420px;
  }

  .color-swatch-note {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .scene-visual-hero {
    min-height: auto;
    padding: 58px 22px 34px;
  }

  .scene-visual-inner {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .scene-visual-copy h1 {
    font-size: 40px;
    line-height: 1.1;
  }

  .scene-visual-copy p:not(.eyebrow) {
    font-size: 17px;
  }

  .scene-visual-panel {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 12px;
  }

  .scene-showcase {
    padding: 52px 22px 66px;
  }

  .scene-showcase-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .scene-showcase-card-large,
  .scene-showcase-card-wide {
    grid-column: span 2;
  }

  .scene-showcase-card-large {
    min-height: 360px;
  }

  .docs-hero {
    padding: 40px 22px 34px;
  }

  .docs-hero h1 {
    max-width: 100%;
    font-size: 30px;
    line-height: 1.16;
    word-break: break-word;
  }

  .hero-flow {
    grid-template-columns: 1fr;
    gap: 8px;
    margin-top: 22px;
  }

  .hero-flow a {
    grid-template-columns: 118px minmax(0, 1fr);
    align-items: center;
    min-height: 66px;
    padding: 13px;
  }

  .hero-flow a:not(:last-child)::after {
    top: auto;
    right: 50%;
    bottom: -18px;
    transform: translateX(50%) rotate(90deg);
  }

  .hero-tags {
    gap: 7px;
    margin-top: 18px;
    max-width: 100%;
    overflow: hidden;
  }

  .docs-section {
    padding: 52px 22px;
    scroll-margin-top: 88px;
  }

  .doc-card-grid,
  .scene-card-grid,
  .product-category-grid,
  .knowledge-grid,
  .market-reference-grid,
  .quote-strip,
  .compact-demand-form,
  .scene-detail-grid {
    grid-template-columns: 1fr;
  }

  .scene-index {
    gap: 8px;
  }

  .scene-index a {
    min-height: 34px;
    font-size: 14px;
  }

  .scene-docs {
    padding: 28px 22px 54px;
  }

  .scene-docs-layout {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .scene-toc {
    position: sticky;
    top: 76px;
    z-index: 8;
    display: flex;
    max-width: calc(100vw - 44px);
    overflow-x: auto;
    white-space: nowrap;
  }

  .scene-toc strong {
    display: none;
  }

  .scene-doc-card {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 16px;
  }

  .scene-doc-card dl div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .scene-next-step > div {
    align-items: start;
    flex-direction: column;
  }

  .doc-card-grid article,
  .reference-panel {
    min-height: auto;
    padding: 16px;
  }

  .province-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .thickness-link-grid {
    grid-template-columns: 1fr;
  }

  .quote-strip {
    gap: 22px;
  }

  .compact-demand-form {
    padding: 18px;
  }

  .hero {
    min-height: auto;
    padding: 78px 22px 70px;
  }

  .hero-overlay {
    background: linear-gradient(90deg, rgba(10, 24, 34, 0.94), rgba(13, 35, 49, 0.58));
  }

  .section {
    padding: 64px 22px;
  }

  .product-hub-hero {
    padding: 42px 22px;
    background:
      linear-gradient(180deg, rgba(13, 31, 39, 0.98), rgba(13, 31, 39, 0.84)),
      url("./assets/hero-aluminum-panels.webp") center / cover;
  }

  .resource-hero {
    padding: 42px 22px;
    background:
      linear-gradient(180deg, rgba(13, 31, 39, 0.98), rgba(13, 31, 39, 0.84)),
      url("./assets/hero-aluminum-panels.webp") center / cover;
  }

  .quote-hero {
    padding: 42px 22px;
    background:
      linear-gradient(180deg, rgba(13, 31, 39, 0.98), rgba(13, 31, 39, 0.84)),
      url("./assets/hero-aluminum-panels.webp") center / cover;
  }

  .guide-hero {
    padding: 42px 22px;
    background:
      linear-gradient(180deg, rgba(13, 31, 39, 0.98), rgba(13, 31, 39, 0.84)),
      url("./assets/hero-aluminum-panels.webp") center / cover;
  }

  .manufacturer-hero {
    padding: 42px 22px;
    background:
      linear-gradient(180deg, rgba(13, 31, 39, 0.98), rgba(13, 31, 39, 0.84)),
      url("./assets/hero-aluminum-panels.webp") center / cover;
  }

  .product-hub-hero-inner {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .resource-hero-inner {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .quote-hero-inner {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .guide-hero-inner {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .manufacturer-hero-inner {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .resource-hero-copy h1 {
    max-width: 100%;
    font-size: 30px;
    word-break: break-word;
  }

  .resource-hero-copy p {
    max-width: 100%;
    font-size: 15px;
  }

  .quote-copy {
    width: 100%;
  }

  .quote-copy h1 {
    max-width: 100%;
    font-size: 32px;
    word-break: break-word;
  }

  .guide-hero-copy h1 {
    max-width: 100%;
    font-size: 32px;
    word-break: break-word;
  }

  .guide-hero-copy p {
    max-width: 100%;
    font-size: 15px;
  }

  .manufacturer-hero-copy h1 {
    max-width: 100%;
    font-size: 32px;
    word-break: break-word;
  }

  .manufacturer-hero-copy p {
    max-width: 100%;
    font-size: 15px;
  }

  .quote-copy p:not(.eyebrow) {
    max-width: 100%;
    font-size: 15px;
  }

  .quote-flow {
    grid-template-columns: 1fr;
    gap: 8px;
    margin-top: 18px;
  }

  .quote-flow article {
    min-height: 0;
    padding: 13px;
  }

  .quote-side {
    max-width: none;
    padding: 16px;
  }

  .quote-side span {
    min-height: 112px;
  }

  .guide-hero-path {
    padding: 14px;
  }

  .guide-hero-path article {
    grid-template-columns: 34px minmax(0, 1fr);
    min-height: 0;
    padding: 11px;
  }

  .guide-hero-path em {
    grid-column: 2;
    text-align: left;
  }

  .guide-category-row {
    grid-template-columns: 1fr;
  }

  .guide-category-row a {
    min-height: 64px;
    padding: 13px;
  }

  .manufacturer-region-grid {
    grid-template-columns: 1fr;
  }

  .manufacturer-province-grid {
    grid-template-columns: 1fr;
  }

  .manufacturer-province-grid button {
    min-height: 52px;
    padding: 0 16px;
  }

  .product-hero-copy h1 {
    max-width: 100%;
    font-size: 30px;
    word-break: break-word;
  }

  .product-hero-copy p {
    font-size: 15px;
  }

  .product-hero-panel {
    padding: 16px;
  }

  .product-hero-panel div {
    grid-template-columns: 1fr;
  }

  .resource-hero-index {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
    max-width: 100%;
    padding: 14px;
    overflow: hidden;
  }

  .resource-hero-index a {
    min-height: 68px;
    padding: 11px;
  }

  .split,
  .final-cta,
  .footer {
    align-items: start;
    flex-direction: column;
  }

  .intro-grid,
  .path-grid,
  .product-grid,
  .product-detail-grid,
  .pricing-layout,
  .price-factor-grid,
  .article-list,
  .inquiry,
  .mini-calc {
    grid-template-columns: 1fr;
  }

  .quote-panel {
    position: static;
  }

  .product-detail-card {
    min-height: auto;
    padding: 14px;
  }

  .product-visual {
    height: 118px;
  }

  .product-summary {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 18px;
  }

  .product-summary-visual {
    height: 210px;
  }

  .product-summary .check-grid {
    grid-template-columns: 1fr;
  }

  .hero-title-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .hero-product-label {
    font-size: clamp(28px, 9vw, 42px);
    white-space: normal;
  }

  .scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .tool-grid,
  .resource-grid,
  .guide-grid,
  .guide-preview-grid,
  .decision-panel,
  .process-flow,
  .structure-layout,
  .node-layout,
  .ral-grid,
  .market-dashboard,
  .risk-grid,
  .decision-grid,
  .support-grid,
  .standard-panel,
  .quote-hero,
  .resource-layout,
  .check-grid {
    grid-template-columns: 1fr;
  }

  .market-board {
    min-height: auto;
    padding: 16px 12px 18px;
    background:
      linear-gradient(180deg, rgba(16, 41, 52, 0.98) 0%, rgba(16, 41, 52, 0.94) 52%, rgba(238, 242, 241, 0.98) 52.2%, rgba(247, 249, 248, 0.98) 100%),
      url("./assets/hero-aluminum-panels.webp") center / cover;
  }

  .market-frame {
    padding: 12px;
  }

  .market-topline {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-bottom: 10px;
  }

  .market-title-block {
    max-width: none;
    padding-top: 0;
  }

  .market-topline h1 {
    font-size: 32px;
  }

  .market-topline p:not(.eyebrow) {
    max-width: none;
    margin-top: 7px;
    font-size: 14px;
    line-height: 1.45;
  }

  .market-meta {
    justify-items: start;
    gap: 6px;
  }

  .market-meta span {
    padding: 5px 8px;
    color: rgba(255, 255, 255, 0.72);
    background: rgba(255, 255, 255, 0.09);
    border-color: rgba(255, 255, 255, 0.13);
    font-size: 11px;
  }

  .market-meta span:nth-child(2) {
    display: none;
  }

  .market-meta .btn {
    display: none;
  }

  .ingot-card {
    min-height: auto;
    padding: 14px;
  }

  .ingot-card strong {
    margin-top: 8px;
    font-size: 34px;
  }

  .ingot-change {
    margin-top: 10px;
    padding: 6px 9px;
    font-size: 12px;
  }

  .ingot-card p {
    display: none;
  }

  .thickness-board {
    padding: 12px;
  }

  .board-title {
    margin-bottom: 10px;
  }

  .board-title h2 {
    font-size: 18px;
  }

  .board-title span {
    font-size: 11px;
  }

  .thickness-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .thickness-grid article {
    min-height: 100px;
    padding: 11px;
  }

  .thickness-grid strong {
    font-size: 22px;
  }

  .thickness-grid span {
    margin-top: 14px;
    font-size: 12px;
  }

  .thickness-grid em {
    margin-top: 5px;
    font-size: 12px;
  }

  .market-bottomline {
    display: grid;
    gap: 10px;
    margin-top: 10px;
    padding: 10px;
  }

  .market-note {
    font-size: 13px;
  }

  .market-quick-actions {
    display: none;
  }

  .quote-hero {
    padding: 58px 22px;
  }

  .quote-copy {
    margin-left: 0;
  }

  .quote-side {
    max-width: none;
  }

  .resource-layout {
    width: min(100% - 44px, 1180px);
    max-width: calc(100vw - 44px);
    margin-top: 22px;
    overflow: hidden;
  }

  .resource-toc {
    position: sticky;
    top: 72px;
    z-index: 10;
    display: flex;
    max-width: calc(100vw - 44px);
    overflow-x: auto;
    white-space: nowrap;
    background:
      linear-gradient(145deg, rgba(255, 255, 255, 0.07), transparent 38%),
      rgba(16, 41, 52, 0.96);
  }

  .mobile-action-bar {
    position: fixed;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 50;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    padding: 8px;
    background: rgba(255, 255, 255, 0.96);
    border-top: 1px solid var(--line);
    box-shadow: 0 -10px 30px rgba(21, 32, 43, 0.12);
  }

  .mobile-action-bar a {
    display: grid;
    place-items: center;
    min-height: 48px;
    border-radius: 8px;
    font-weight: 900;
  }

  .mobile-action-bar a:first-child {
    color: var(--steel-dark);
    background: #eef4f7;
  }

  .mobile-action-bar a:last-child {
    color: #fff;
    background: var(--accent);
  }

  .mobile-action-bar--single {
    grid-template-columns: minmax(0, 480px);
    justify-content: center;
    padding-bottom: calc(8px + env(safe-area-inset-bottom));
  }

  .mobile-action-bar--single a:first-child {
    color: #fff;
    background: #005460;
    box-shadow: 0 8px 20px rgba(0, 84, 96, 0.2);
  }
}

@media (max-width: 560px) {
  .brand {
    min-width: 0;
    margin-left: 0;
  }

  .brand-logo {
    width: 122px;
  }

  .header-cta {
    display: none;
  }

  .portal-main {
    padding: 16px;
  }

  .portal-lead-card,
  .portal-lead-card img {
    min-height: 330px;
  }

  .portal-tags {
    flex-wrap: wrap;
  }

  .portal-lead-content h1 {
    font-size: 23px;
  }

  .portal-lead-content p {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
  }

  .portal-inquiry-card {
    padding: 20px;
  }

  .portal-column-head a {
    font-size: 14px;
  }

  .portal-product-row {
    grid-template-columns: 72px minmax(0, 1fr);
    padding: 8px 0;
  }

  .portal-product-row img {
    width: 72px;
    height: 72px;
  }

  .portal-market-title h2,
  .portal-knowledge h2 {
    font-size: 27px;
  }

  .portal-tabs {
    width: 100%;
    overflow-x: auto;
  }

  .portal-tabs span {
    flex: 0 0 auto;
  }

  .portal-feature-report {
    min-height: 300px;
    padding: 24px;
  }

  .portal-feature-report h3 {
    font-size: 24px;
  }

  .portal-feature-report p {
    right: 24px;
    bottom: 34px;
    left: 24px;
  }

  .project-main {
    padding: 18px 16px 44px;
  }

  .project-hero-card {
    height: 390px;
  }

  .project-hero-copy {
    left: 22px;
    width: calc(100% - 44px);
  }

  .project-hero-copy > span {
    font-size: 10px;
  }

  .project-hero-copy h1 {
    display: grid;
    gap: 4px;
    font-size: 38px;
    line-height: 1.15;
  }

  .project-hero-copy h1 i {
    display: none;
  }

  .project-hero-actions {
    flex-wrap: wrap;
    gap: 10px;
  }

  .project-hero-actions a {
    min-height: 44px;
    padding: 0 18px;
  }

  .project-inquiry {
    padding: 24px;
  }

  .project-section-head h2,
  .project-flow-head h2 {
    font-size: 27px;
  }

  .project-date {
    flex-wrap: wrap;
  }

  .live-price-card,
  .live-market-explainer {
    padding: 22px;
  }

  .live-price-card-head,
  .live-price-details {
    align-items: flex-start;
  }

  .live-price-main strong {
    font-size: 44px;
  }

  .live-price-source span {
    width: 100%;
    margin-left: 0;
  }

  .project-guide-card img {
    height: 160px;
  }

  .project-application-card {
    min-height: 240px;
    padding: 22px;
  }

  .project-application-card h3 {
    font-size: 25px;
  }

  .project-application-card p {
    min-height: auto;
  }

  .project-guide-card div {
    padding: 20px;
  }

  .project-inner-main {
    padding: 18px 16px 44px;
  }

  .inner-hero-copy {
    min-height: 330px;
    padding: 28px 22px;
  }

  .inner-hero h1 {
    font-size: 27px;
  }

  .inner-hero p {
    font-size: 15px;
  }

  .inner-hero-actions {
    gap: 10px;
  }

  .inner-button {
    min-height: 44px;
    padding: 0 18px;
  }

  .inner-card-body,
  .inner-panel,
  .inner-form-panel,
  .inner-feature,
  .inner-map-card {
    padding: 20px;
  }

  .product-summary-section {
    padding-top: 34px;
    padding-bottom: 34px;
  }

  .product-breadcrumb {
    width: calc(100% - 32px);
    padding-top: 18px;
    font-size: 13px;
  }

  .product-breadcrumb + .product-summary-section {
    padding-top: 16px;
  }

  .product-summary-visual {
    height: 180px;
  }

  .product-summary .section-heading h2 {
    font-size: 24px;
  }

  .inner-section-head h2 {
    font-size: 26px;
  }

  .knowledge-shell {
    padding: 18px 16px 44px;
  }

  .knowledge-shell-overview {
    padding-top: 18px;
  }

  .knowledge-quote-card {
    grid-template-columns: 1fr;
    gap: 16px;
    justify-items: center;
    padding: 22px 20px;
  }

  .knowledge-quote-card .knowledge-quote-copy,
  .knowledge-quote-card > img,
  .knowledge-quote-card .knowledge-quote-action {
    grid-row: auto;
    grid-column: 1;
  }

  .knowledge-quote-card .knowledge-quote-copy {
    text-align: center;
  }

  .knowledge-quote-card > img {
    width: min(180px, 68vw);
  }

  .knowledge-quote-card .knowledge-quote-action {
    width: min(320px, 100%);
  }

  .knowledge-article {
    padding: 24px 20px;
  }

  .knowledge-shell-overview .knowledge-article {
    padding: 24px 20px;
  }

  .knowledge-article-head {
    min-height: 260px;
    margin: -24px -20px 24px;
    padding: 30px 24px;
  }

  .knowledge-shell-overview .knowledge-article-head {
    min-height: 260px;
    margin: -24px -20px 24px;
    padding: 30px 24px;
  }

  .knowledge-article-head img {
    object-position: 60% center;
  }

  .knowledge-article-head::after {
    background:
      linear-gradient(90deg, rgba(7, 18, 25, 0.86) 0%, rgba(7, 18, 25, 0.62) 58%, rgba(7, 18, 25, 0.22) 100%),
      linear-gradient(0deg, rgba(0, 84, 96, 0.18), rgba(0, 84, 96, 0.18));
  }

  .knowledge-article-head h1 {
    font-size: 30px;
  }

  .knowledge-shell-overview .knowledge-article-head h1 {
    font-size: 30px;
  }

  .knowledge-article-head p {
    font-size: 16px;
  }

  .knowledge-section h2 {
    font-size: 24px;
  }

  .installation-flow-figure {
    padding: 16px;
  }

  .installation-flow-list {
    gap: 12px;
    grid-template-columns: 1fr;
  }

  .installation-flow-list::before {
    top: 18px;
    bottom: 18px;
    left: 34px;
    display: block;
    width: 2px;
    height: auto;
    background: linear-gradient(180deg, rgba(0, 84, 96, 0.18), rgba(0, 84, 96, 0.62), rgba(216, 153, 67, 0.7));
  }

  .installation-flow-step,
  .installation-flow-step:first-child,
  .installation-flow-step:last-child {
    display: grid;
    height: 64px;
    min-height: 64px;
    align-content: center;
    padding: 16px 16px 16px 68px;
    border-radius: 8px;
  }

  .installation-flow-index {
    position: absolute;
    top: 18px;
    left: 0;
  }

  .installation-flow-step strong {
    font-size: 18px;
  }

  .installation-photo-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .production-process-board {
    padding: 18px 16px;
  }

  .production-process-board figcaption {
    font-size: 21px;
  }

  .production-process-list {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .production-process-step:nth-child(n) {
    display: grid;
    grid-template-columns: 36px minmax(0, 1fr);
    min-height: 64px;
    justify-items: start;
    padding: 12px 16px;
    text-align: left;
  }

  .production-process-step:not(:last-child)::after {
    top: auto !important;
    right: 50% !important;
    bottom: -14px !important;
    left: auto !important;
    display: grid !important;
    width: auto !important;
    height: 14px !important;
    content: "↓" !important;
    transform: translateX(50%) !important;
  }

  .production-process-step:last-child::after {
    display: none !important;
    content: none !important;
  }

  .quality-inspection-grid {
    grid-template-columns: 1fr;
  }

  .quality-inspection-grid article {
    padding: 17px;
  }

  .knowledge-callout,
  .perforation-quote-note {
    grid-template-columns: 1fr;
    gap: 7px;
  }

  .installation-joint-diagram {
    min-height: 166px;
    padding: 36px 18px 48px;
  }

  .installation-joint-diagram b {
    right: 18px;
    left: 18px;
  }

  .perforation-pattern-grid {
    gap: 10px;
  }

  .perforation-pattern-card svg {
    height: 112px;
    padding: 10px;
  }

  .perforation-pattern-card strong,
  .perforation-pattern-card span {
    padding-right: 12px;
    padding-left: 12px;
  }

  .product-sample-detail {
    gap: 18px;
    padding: 16px;
  }

  .product-sample-detail-visual {
    min-height: 300px;
  }

  .installation-photo-card figcaption {
    min-height: 0;
    padding: 14px;
  }

  .installation-photo-card figcaption strong {
    font-size: 16px;
  }

  .installation-photo-card figcaption span {
    font-size: 14px;
  }

  .color-swatch-grid {
    grid-template-columns: repeat(auto-fit, minmax(124px, 1fr));
    gap: 12px;
  }

  .color-swatch-block {
    min-height: 96px;
  }

  .color-swatch-block img {
    height: 96px;
  }

  .color-swatch-card strong {
    font-size: 16px;
  }

  .standard-info-grid {
    grid-template-columns: 1fr;
  }

  .scene-visual-hero {
    padding-top: 42px;
  }

  .scene-visual-copy h1 {
    font-size: 35px;
  }

  .scene-visual-panel {
    grid-template-columns: 1fr;
  }

  .scene-visual-panel a,
  .scene-visual-panel a:first-child {
    grid-column: auto;
    min-height: 52px;
    font-size: 16px;
  }

  .scene-showcase-heading h2 {
    font-size: 30px;
  }

  .scene-showcase-grid {
    grid-template-columns: 1fr;
  }

  .scene-showcase-card,
  .scene-showcase-card-large,
  .scene-showcase-card-wide {
    grid-column: auto;
    min-height: 214px;
  }

  .scene-showcase-card-large {
    min-height: 320px;
  }

  .hero h1 {
    font-size: 38px;
  }

  .hero-copy {
    font-size: 17px;
  }

  .hero-stats,
  .scene-grid,
  .inquiry-form,
  .tool-grid,
  .resource-grid,
  .process-flow,
  .structure-layout,
  .node-layout,
  .ral-grid,
  .check-grid {
    grid-template-columns: 1fr;
  }

  .market-page .thickness-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .market-page .thickness-grid article {
    min-height: 94px;
    padding: 10px;
  }

  .market-page .thickness-grid strong {
    font-size: 20px;
  }

  .market-page .thickness-grid span {
    margin-top: 13px;
  }

  .product-page .product-detail-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    width: calc(100vw - 44px);
    max-width: calc(100vw - 44px);
  }

  .product-page .product-catalog-section .section-heading {
    width: calc(100vw - 44px);
    max-width: calc(100vw - 44px);
  }

  .product-page .product-catalog-section .section-heading p {
    display: -webkit-box;
    overflow: hidden;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
  }

  .product-page .product-detail-card {
    min-height: 0;
    padding: 10px;
  }

  .product-page .product-visual {
    height: 78px;
    margin-bottom: 10px;
  }

  .product-page .product-detail-card h2 {
    margin-bottom: 6px;
    font-size: 17px;
  }

  .product-page .product-detail-card p {
    min-height: 39px;
    font-size: 12px;
    line-height: 1.6;
    -webkit-line-clamp: 2;
  }

  .product-page .product-detail-card .text-link {
    margin-top: 10px;
    padding-top: 9px;
    font-size: 12px;
  }

  .market-topline h1,
  .quote-copy h1 {
    font-size: 34px;
  }

  .board-title {
    align-items: start;
    flex-direction: column;
    gap: 4px;
  }

  .panel-diagram,
  .node-diagram {
    min-height: 380px;
  }

  .panel-face {
    inset: 82px 54px 76px 58px;
    font-size: 20px;
  }

  .edge-top {
    left: 82px;
    right: 84px;
  }

  .rib {
    left: 92px;
    right: 92px;
  }

  .corner-one,
  .corner-two {
    right: 42px;
  }

  .factor-list div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .knowledge-material-table-wrap,
  .knowledge-comparison-table-wrap {
    overflow: visible;
    background: transparent;
    border: 0;
    border-radius: 0;
  }

  .knowledge-material-table,
  .knowledge-comparison-table,
  .knowledge-material-table tbody,
  .knowledge-comparison-table tbody {
    display: block;
    width: 100%;
    min-width: 0;
  }

  .knowledge-material-table thead,
  .knowledge-comparison-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    white-space: nowrap;
  }

  .knowledge-material-table tbody,
  .knowledge-comparison-table tbody {
    display: grid;
    gap: 14px;
  }

  .knowledge-material-table tr,
  .knowledge-comparison-table tr {
    display: grid;
    overflow: hidden;
    background: #fff;
    border: 1px solid #dfe5ea;
    border-radius: 8px;
    box-shadow: 0 8px 20px rgba(17, 24, 39, 0.05);
  }

  .knowledge-material-table td,
  .knowledge-comparison-table td,
  .knowledge-material-table td:nth-child(n),
  .knowledge-comparison-table td:nth-child(n) {
    display: grid;
    width: auto;
    grid-template-columns: minmax(86px, 0.34fr) minmax(0, 1fr);
    gap: 12px;
    padding: 11px 14px;
    color: #334155;
    border-bottom: 1px solid #e7ebef;
    font-size: 15px;
    font-weight: 400;
    line-height: 1.6;
    text-align: left;
    vertical-align: top;
    word-break: normal;
    overflow-wrap: anywhere;
  }

  .knowledge-material-table td:last-child,
  .knowledge-comparison-table td:last-child {
    border-bottom: 0;
  }

  .knowledge-material-table td::before,
  .knowledge-comparison-table td::before {
    color: #005460;
    font-size: 13px;
    font-weight: 900;
    line-height: 1.6;
  }

  .knowledge-material-table td:first-child,
  .knowledge-comparison-table td:first-child {
    grid-template-columns: 1fr;
    padding-top: 14px;
    padding-bottom: 14px;
    color: #102033;
    background: #eef0ff;
    font-size: 18px;
    font-weight: 900;
  }

  .knowledge-material-table td:nth-child(1)::before {
    content: "基材牌号";
  }

  .knowledge-material-table td:nth-child(2)::before {
    content: "合金成分";
  }

  .knowledge-material-table td:nth-child(3)::before {
    content: "材质特点";
  }

  .knowledge-material-table td:nth-child(4)::before {
    content: "使用场景";
  }

  .knowledge-material-table td:nth-child(5)::before {
    content: "价格";
  }

  .knowledge-material-table td:nth-child(6)::before {
    content: "备注";
  }

  .knowledge-comparison-table td:nth-child(1)::before {
    content: "材料";
  }

  .knowledge-comparison-table td:nth-child(2)::before {
    content: "结构特点";
  }

  .knowledge-comparison-table td:nth-child(3)::before {
    content: "常见厚度 / 形态";
  }

  .knowledge-comparison-table td:nth-child(4)::before {
    content: "常用位置";
  }

  .knowledge-comparison-table td:nth-child(5)::before {
    content: "选型提醒";
  }

  .knowledge-size-diagram {
    max-width: 100%;
    padding: 0 0 110px;
  }

  .size-board {
    width: 100%;
    max-width: 100%;
  }

  .size-arrow-width {
    right: 12px;
  }

  .size-extension-top,
  .size-extension-bottom {
    display: none;
  }

  .size-label-width {
    right: 42px;
    background: rgba(255, 255, 255, 0.92);
  }

  .size-note-length {
    bottom: -92px;
  }

  .size-note-width {
    top: auto;
    right: 42px;
    bottom: 14px;
    transform: none;
    white-space: normal;
  }
}