:root {
      --brand: #0b6fb3;
      --navy: #0a315f;
      --deep: #071f3d;
      --cyan: #18a8e8;
      --sky: #eef7ff;
      --ink: #10202a;
      --text: #52646f;
      --muted: #7b8c96;
      --line: #dce7ef;
      --bg: #f5f8fb;
      --gold: #f0b64a;
      --gold-soft: #fff3d7;
      --shadow: 0 1.375rem 3.75rem rgba(10,49,95,.12);
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body { margin: 0; font-family: "Microsoft YaHei", Arial, sans-serif; color: var(--ink); background: white; line-height: 1.68; }
    a { color: inherit; text-decoration: none; }
    img { display: block; max-width: 100%; }
    button, input, select, textarea { font: inherit; }
    .container { width: min(73.75rem, calc(100% - 2.5rem)); margin: 0 auto; }
    .section { padding: 5.125rem 0; }
    .eyebrow { display: inline-flex; align-items: center; gap: 0.5rem; color: var(--brand); font-size: 0.8125rem; font-weight: 900; letter-spacing: .08em; text-transform: uppercase; }
    .eyebrow::before { content: ""; width: 1.75rem; height: 2px; background: var(--gold); }
.lead { color: var(--text); font-size: clamp(1rem, calc(0.85rem + 0.25vw), 1.125rem); max-width: 47.5rem; margin: 0; }
    .btn { min-height: 2.75rem; display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0 1.125rem; border-radius: 0.375rem; border: 1px solid transparent; font-weight: 900; cursor: pointer; }
    .btn.primary { background: var(--gold); color: #211600; box-shadow: 0 0.875rem 1.75rem rgba(240,182,74,.28); }
    .btn.line { background: white; border-color: var(--line); color: var(--navy); }
    .page-hero { position: relative; color: white; overflow: hidden; background: var(--deep); }
    .page-hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,22,42,.92), rgba(5,22,42,.78) 48%, rgba(5,22,42,.36)), url("../images/hero/cargo-port-categories.webp") center/cover; }
    .page-hero .container { position: relative; z-index: 2; min-height: 24.375rem; display: flex; align-items: center; padding: 3.875rem 0; }
    .page-hero .eyebrow { color: var(--gold); }
    .page-hero h1 { margin: 0.875rem 0 0.875rem; font-size: clamp(2.375rem, 4.4vw, 3.5rem); line-height: 1.12; letter-spacing: 0; }
    .page-hero p { margin: 0; max-width: 49.375rem; color: rgba(255,255,255,.86); font-size: clamp(1rem, calc(0.85rem + 0.35vw), 1.1875rem); }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: 1.875rem; }
    .hero-actions .btn.line { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.24); color: white; }
    .categories { background: var(--bg); }
    .section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 2.125rem; margin-bottom: 2.625rem; }
    .section-head h2 { margin: 0.625rem 0 0; color: var(--navy); font-size: clamp(1.875rem, 3.4vw, 2.75rem); line-height: 1.2; letter-spacing: 0; }
    .cargo-taxonomy { display: grid; grid-template-columns: 17.875rem 1fr; align-items: start; border: 1px solid var(--line); border-radius: 0.5rem; background: white; box-shadow: var(--shadow); overflow: visible; }
    .cargo-major-list { position: sticky; top: 6rem; max-height: calc(100vh - 7.25rem); overflow-y: auto; background: #0b315d; padding: 1rem; display: grid; gap: 0.5rem; align-content: start; align-self: start; border-radius: 0.5rem 0 0 0.5rem; }
    .cargo-major { width: 100%; min-height: 4.375rem; display: grid; grid-template-columns: 2.375rem 1fr auto; gap: 0.75rem; align-items: center; border: 1px solid rgba(255,255,255,.1); border-radius: 0.375rem; background: rgba(255,255,255,.06); color: white; text-align: left; padding: 0.75rem; cursor: pointer; transition: .18s ease; }
    .cargo-major span { color: var(--gold); font-size: 0.8125rem; font-weight: 900; }
    .cargo-major b { display: block; font-size: 1rem; line-height: 1.25; }
    .cargo-major small { display: block; color: rgba(255,255,255,.62); font-size: 0.75rem; line-height: 1.4; margin-top: 2px; }
    .cargo-major em { width: 2rem; height: 2rem; display: grid; place-items: center; border-radius: 50%; background: rgba(255,255,255,.1); color: var(--gold); font-style: normal; font-size: 0.75rem; font-weight: 900; }
    .cargo-major:hover, .cargo-major.active { background: white; color: var(--navy); border-color: white; }
    .cargo-major:hover small, .cargo-major.active small { color: var(--text); }
    .cargo-major:hover em, .cargo-major.active em { background: var(--gold); color: #211600; }
    .cargo-major-list { scrollbar-width: none; -ms-overflow-style: none; }
    .cargo-major-list::-webkit-scrollbar { width: 0; height: 0; display: none; }
    .category-stage { min-width: 0; }
    .category-panel { display: none; }
    .category-panel.active { display: block; }
    .category-banner { position: relative; min-height: 8.5rem; padding: 1.375rem 2rem; color: white; overflow: hidden; background: var(--deep); }
    .category-banner::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,22,42,.88), rgba(5,22,42,.56)), var(--category-image) center/cover; }
    .category-banner > * { position: relative; z-index: 2; }
    .category-banner small { display: block; color: var(--gold); font-weight: 900; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 0.375rem; font-size: 0.75rem; }
    .category-banner h3 { margin: 0 0 0.375rem; font-size: 1.625rem; line-height: 1.14; letter-spacing: 0; }
    .category-banner p { max-width: 45rem; margin: 0; color: rgba(255,255,255,.82); font-size: 0.875rem; line-height: 1.75; }
    .category-meta { display: flex; flex-wrap: wrap; gap: 0.375rem; margin-top: 0.625rem; }
    .category-meta span { border-radius: 62.4375rem; background: rgba(255,255,255,.12); color: white; font-size: 0.75rem; font-weight: 900; padding: 0.25rem 0.5625rem; }
    .subclass-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0; border-top: 1px solid var(--line); }
    .subclass { padding: 1.75rem 1.875rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
    .subclass:nth-child(even) { border-right: 0; }
    .subclass h4 { margin: 0 0 0.875rem; color: var(--navy); font-size: 1.3125rem; line-height: 1.25; }
    .leaf-list { display: flex; flex-wrap: wrap; gap: 0.4375rem; }
    .leaf { border: 1px solid #cfe0ec; border-radius: 62.4375rem; background: #f7fbff; color: #264653; padding: 0.375rem 0.625rem; font-size: 0.8125rem; font-weight: 800; cursor: pointer; transition: .18s ease; }
    .leaf:hover, .leaf.is-selected { border-color: var(--gold); background: var(--gold); color: #211600; transform: translateY(-1px); }
    .handling-strip { display: grid; grid-template-columns: repeat(3, 1fr); background: #f8fbfe; }
    .handling-item { padding: 1.5rem 1.875rem; border-right: 1px solid var(--line); }
    .handling-item:last-child { border-right: 0; }
    .handling-item b { display: block; color: var(--navy); margin-bottom: 0.375rem; font-size: 1.0625rem; }
    .handling-item p { margin: 0; color: var(--text); font-size: 0.875rem; }
    .category-detail { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.875rem; padding: 1.5rem 1.875rem 1.875rem; border-top: 1px solid var(--line); background: linear-gradient(180deg, #fff, #f8fbfe); }
    .detail-card { min-height: 11.125rem; padding: 1.25rem; border: 1px solid #d8e6f0; border-radius: 0.5rem; background: white; box-shadow: 0 0.75rem 1.75rem rgba(10,49,95,.06); }
    .detail-card h5 { margin: 0 0 0.75rem; color: var(--navy); font-size: 1.125rem; line-height: 1.3; }
    .detail-card ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 0.5rem; }
    .detail-card li { position: relative; padding-left: 1rem; color: var(--text); font-size: 0.875rem; line-height: 1.55; }
    .detail-card li::before { content: ""; position: absolute; left: 0; top: .72em; width: 0.375rem; height: 0.375rem; border-radius: 50%; background: var(--gold); }
    .category-focus { padding: 0 1.875rem 2.125rem; background: #f8fbfe; }
    .focus-shell { position: relative; border: 1px solid #d8e6f0; border-radius: 0.5rem; overflow: hidden; background: linear-gradient(135deg, #f4f9fd, #fff); box-shadow: 0 1.125rem 2.75rem rgba(10,49,95,.1); }
    .focus-shell::before { content: ""; position: absolute; left: 1.375rem; right: 1.375rem; top: 5.5rem; height: 1px; background: linear-gradient(90deg, transparent, rgba(11,111,179,.26), transparent); }
    .focus-head { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1.125rem; align-items: center; padding: 1.375rem 1.5rem; background: linear-gradient(100deg, #0a315f 0%, #0b6fb3 76%); color: white; }
    .focus-head h4 { margin: 0; font-size: 1.5rem; line-height: 1.22; letter-spacing: 0; }
    .focus-head p { margin: 0; color: rgba(255,255,255,.82); font-size: 0.875rem; font-weight: 800; }
    .focus-grid { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.875rem; padding: 1.125rem; }
    .focus-cell { position: relative; min-height: 11rem; padding: 1.375rem 1.25rem 1.5rem; border: 1px solid #d8e6f0; border-radius: 0.5rem; background: white; box-shadow: 0 0.75rem 1.75rem rgba(10,49,95,.06); overflow: hidden; }
    .focus-cell::before { content: ""; position: absolute; left: 0; top: 1.375rem; bottom: 1.5rem; width: 0.25rem; background: var(--gold); }
    .focus-cell b { position: relative; display: block; color: var(--navy); font-size: 1.25rem; margin: 0.75rem 0 0.5625rem; line-height: 1.28; }
    .focus-cell p { position: relative; margin: 0; color: var(--text); font-size: 0.875rem; line-height: 1.72; }
    .focus-cell span { position: relative; display: inline-flex; color: #6f4d12; background: var(--gold-soft); border: 1px solid #f3d89a; border-radius: 62.4375rem; padding: 0.25rem 0.625rem; font-size: 0.75rem; font-weight: 900; }
    .cargo-judge-band { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 1.5rem; align-items: center; min-height: 8.25rem; padding: 1.625rem 2rem; border-top: 1px solid var(--line); background: linear-gradient(135deg, #f3f8fc 0%, #fff 72%); overflow: hidden; }
    .cargo-judge-band::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(11,111,179,.045) 1px, transparent 1px), linear-gradient(180deg, rgba(11,111,179,.045) 1px, transparent 1px); background-size: 2.625rem 2.625rem; }
    .judge-copy, .judge-action { position: relative; z-index: 2; }
    .judge-copy h3 { margin: 0 0 0.5rem; color: var(--navy); font-size: 1.5rem; line-height: 1.22; }
    .judge-copy p { margin: 0; color: var(--text); font-size: 0.875rem; max-width: 42.5rem; }
    .judge-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.875rem; }
    .judge-tags span { border-radius: 62.4375rem; background: white; border: 1px solid #f3d89a; color: #6f4d12; padding: 0.3125rem 0.625rem; font-size: 0.75rem; font-weight: 900; }
    .judge-action { display: grid; gap: 0.5rem; justify-items: end; }
    .judge-action small { color: var(--text); font-size: 0.75rem; font-weight: 800; }

    .final-cta { padding: 5.125rem 0; background: linear-gradient(135deg, var(--navy), var(--brand)); color: white; }
    .cta-grid { display: grid; grid-template-columns: 1fr 26.25rem; gap: 2.625rem; align-items: center; }
    .final-cta .eyebrow { color: var(--gold); }
    .final-cta h2 { margin: 0.75rem 0 1.5rem; font-size: clamp(1.875rem, 3.5vw, 2.875rem); line-height: 1.18; letter-spacing: 0; }
    .final-cta .lead, .final-cta p { color: rgba(255,255,255,.82); }
    .cta-path { display: grid; gap: 0.75rem; margin-top: 0; }
    .cta-path-item { display: grid; grid-template-columns: 8.25rem 1fr; gap: 0.875rem; align-items: start; padding-top: 0.8125rem; border-top: 1px solid rgba(255,255,255,.18); }
    .cta-path-item b { color: white; }
    .cta-path-item span { color: rgba(255,255,255,.72); }
    .contact-card { background: white; color: var(--ink); border-radius: 0.5rem; padding: 1.5rem; box-shadow: var(--shadow); }
    .contact-card h3 { margin: 0 0 1rem; color: var(--navy); }
    .contact-card input, .contact-card textarea, .contact-card select { width: 100%; border: 1px solid var(--line); border-radius: 0.375rem; min-height: 2.75rem; margin-bottom: 0.625rem; padding: 0 0.75rem; outline: none; color: var(--ink); }
    .contact-card textarea { min-height: 5.75rem; padding-top: 0.75rem; resize: vertical; }
    .form-note { margin: 0.625rem 0 0; color: var(--text); font-size: 0.75rem; line-height: 1.6; text-align: center; }

    @media (max-width: 1080px) {
      .cta-grid, .cargo-taxonomy { grid-template-columns: 1fr; }
      .cargo-major-list { position: static; max-height: none; overflow: visible; grid-template-columns: repeat(2, 1fr); border-radius: 0.5rem 0.5rem 0 0; }
      .category-panel { min-height: auto; }
    }
    @media (max-width: 820px) {
      .cargo-judge-band { grid-template-columns: 1fr; }
      .judge-action { justify-items: center; text-align: center; }
    }
    @media (max-width: 720px) {
      .container { width: min(100% - 1.75rem, 73.75rem); }
      .page-hero .container { min-height: auto; padding: 2.75rem 0; }
      .section { padding: 3.625rem 0; }
      .cargo-major-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.5rem; padding: 0.75rem; }
      .cargo-major { min-height: 3.75rem; grid-template-columns: 1.625rem minmax(0, 1fr) 1.75rem; gap: 0.5rem; padding: 0.625rem; }
      .cargo-major span { font-size: 0.75rem; }
      .cargo-major b { font-size: 0.9375rem; line-height: 1.2; }
      .cargo-major small { font-size: 0.6875rem; line-height: 1.25; }
      .cargo-major em { width: 1.75rem; height: 1.75rem; font-size: 0.6875rem; }
      .subclass-grid, .handling-strip, .category-detail, .focus-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .focus-head { grid-template-columns: 1fr; gap: 0.5rem; padding: 1.125rem; }
      .focus-head h4 { font-size: clamp(1.125rem, 4.8vw, 1.375rem); line-height: 1.28; }
      .focus-head p { font-size: 0.8125rem; line-height: 1.55; }
      .focus-cell:nth-child(even) { transform: none; }
      .cargo-judge-band { padding: 1.25rem; gap: 1rem; }
      .judge-action { justify-items: center; text-align: center; }
      .section-head { display: block; }
      .section-head .lead { margin-top: 0.875rem; }
      .category-banner { min-height: clamp(7rem, 35vw, 8.5rem); padding: 1.25rem; }
      .category-banner h3 { font-size: clamp(1.25rem, 5vw, 1.625rem); }
      .category-banner p { font-size: 0.8125rem; line-height: 1.6; }
      .subclass, .handling-item { padding: 1.25rem; }
      .subclass, .handling-item { border-right: 1px solid var(--line); }
      .subclass:nth-child(even), .handling-item:nth-child(even) { border-right: 0; }
      .handling-item:last-child { border-right: 1px solid var(--line); }
      .detail-card, .focus-cell { min-height: auto; padding: 1rem; }
      .focus-grid { gap: 0.625rem; padding: 0.875rem; }
      .focus-cell b { font-size: 1rem; }
      .focus-cell p { font-size: 0.8125rem; line-height: 1.55; }
      .cta-path-item { grid-template-columns: 1fr; gap: 2px; }
    }
    @media (max-width: 380px) {
      .cargo-major-list { grid-template-columns: 1fr; }
      .subclass-grid, .handling-strip, .category-detail, .focus-grid, .cargo-judge-band { grid-template-columns: 1fr; }
      .subclass, .handling-item { border-right: 0; }
      .handling-item:last-child { border-right: 0; }
      .judge-action { justify-items: center; text-align: center; }
    }