/* roulang page: index */
:root {
      --bg: #F4F7FB;
      --card: #FFFFFF;
      --primary: #2C6AA0;
      --primary-dark: #1E4F7A;
      --primary-soft: #E8F1F8;
      --accent: #3D7A7A;
      --cta: #1E5A8A;
      --dark: #1B2838;
      --dark-text: #F3F6FA;
      --dark-card: #243244;
      --text: #2C3340;
      --muted: #5C6570;
      --line: #E2E8F0;
      --input: #D5DEE8;
      --success: #2F7D57;
      --danger: #8A3B32;
      --danger-bg: #FDF6F4;
      --radius: 12px;
      --radius-sm: 8px;
      --shadow: 0 8px 28px rgba(30, 79, 122, 0.08);
      --shadow-hover: 0 14px 36px rgba(30, 79, 122, 0.14);
      --header-h: 108px;
      --space-section: 88px;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 116px; }
    body {
      margin: 0;
      font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      font-size: 16px;
      line-height: 1.75;
      color: var(--text);
      background: var(--bg);
      letter-spacing: 0;
      overflow-x: hidden;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--primary); text-decoration: none; transition: color .2s ease, opacity .2s ease; }
    a:hover { color: var(--accent); }
    a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
      outline: 2px solid var(--primary);
      outline-offset: 2px;
    }
    button, input, select, textarea { font-family: inherit; }
    button { cursor: pointer; }
    h1, h2, h3, h4 { margin: 0; font-weight: 700; color: var(--text); letter-spacing: 0; line-height: 1.3; }
    h1 { font-size: 36px; }
    h2 { font-size: 26px; }
    h3 { font-size: 19px; }
    p { margin: 0 0 1em; }
    p:last-child { margin-bottom: 0; }
    ul { margin: 0; padding: 0; list-style: none; }
    .wrap { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 24px; }
    .site-header {
      position: sticky; top: 0; z-index: 50;
      background: #fff;
      box-shadow: 0 1px 0 var(--line);
    }
    .topbar {
      display: flex; align-items: center; justify-content: space-between;
      min-height: 36px; padding: 6px 0;
      background: var(--primary-soft);
      font-size: 13px; color: var(--muted);
      transition: min-height .2s ease, padding .2s ease, opacity .2s ease;
    }
    .topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
    .topbar a { color: var(--primary-dark); font-weight: 500; }
    .topbar a:hover { color: var(--accent); }
    .trust-chip {
      display: inline-flex; align-items: center; gap: 6px;
      background: #fff; color: var(--success);
      border: 1px solid #cfe6d8; border-radius: 999px;
      padding: 2px 10px; font-size: 12px; font-weight: 600;
      min-height: 24px;
    }
    .trust-chip i { width: 6px; height: 6px; border-radius: 50%; background: var(--success); display: inline-block; }
    .nav-row { background: #fff; }
    .nav-inner { display: flex; align-items: center; gap: 16px; min-height: 72px; }
    .brand { display: flex; align-items: center; gap: 10px; color: var(--text); flex-shrink: 0; }
    .brand:hover { color: var(--primary-dark); }
    .brand-mark {
      width: 40px; height: 40px; border-radius: 10px;
      background: var(--primary); color: #fff;
      display: grid; place-items: center;
      box-shadow: 0 6px 16px rgba(44, 106, 160, 0.28);
    }
    .brand-text { display: flex; flex-direction: column; line-height: 1.15; }
    .brand-text small { font-size: 11px; font-weight: 500; color: var(--muted); }
    .brand-text strong { font-size: 18px; font-weight: 700; color: var(--primary-dark); }
    .nav-links { display: flex; align-items: center; gap: 4px; margin-left: auto; }
    .nav-links a {
      position: relative; color: var(--text); font-size: 15px; font-weight: 500;
      padding: 8px 12px; min-height: 44px; display: inline-flex; align-items: center;
      border-radius: 8px;
    }
    .nav-links a:hover { color: var(--primary); background: var(--primary-soft); }
    .nav-links a.is-active { color: var(--primary-dark); }
    .nav-links a.is-active::after {
      content: ""; position: absolute; left: 12px; right: 12px; bottom: 6px;
      height: 2px; background: var(--primary); border-radius: 2px;
    }
    .btn {
      display: inline-flex; align-items: center; justify-content: center;
      min-height: 46px; padding: 0 22px; border-radius: 8px;
      font-size: 15px; font-weight: 600; border: 1px solid transparent;
      transition: background .2s ease, box-shadow .2s ease, transform .2s ease, color .2s ease, border-color .2s ease;
    }
    .btn-primary { background: var(--cta); color: #fff; }
    .btn-primary:hover { background: var(--primary-dark); color: #fff; box-shadow: 0 8px 18px rgba(30, 90, 138, 0.28); }
    .btn-primary:active { transform: translateY(1px); }
    .btn-ghost {
      background: transparent; color: var(--primary-dark);
      border-color: var(--primary); min-height: 46px;
    }
    .btn-ghost:hover { background: var(--primary-soft); color: var(--primary-dark); }
    .btn-light { background: transparent; color: var(--dark-text); border-color: rgba(243,246,250,.45); }
    .btn-light:hover { background: rgba(255,255,255,.08); color: #fff; }
    .nav-cta { margin-left: 8px; }
    .menu-toggle {
      display: none; margin-left: auto; width: 44px; height: 44px;
      border: 1px solid var(--line); border-radius: 8px; background: #fff;
      align-items: center; justify-content: center; flex-direction: column; gap: 5px;
    }
    .menu-toggle span { display: block; width: 18px; height: 2px; background: var(--primary-dark); border-radius: 2px; }
    .header-compact .topbar { min-height: 0; padding: 0; max-height: 0; overflow: hidden; opacity: 0; }
    .header-compact .nav-inner { min-height: 60px; }
    .drawer {
      position: fixed; inset: 0 0 0 auto; width: min(86vw, 360px);
      background: #fff; z-index: 70; transform: translateX(100%);
      transition: transform .25s ease; box-shadow: -12px 0 40px rgba(27,40,56,.16);
      display: flex; flex-direction: column; padding: 24px 20px;
    }
    .drawer.is-open { transform: translateX(0); }
    .drawer-mask {
      position: fixed; inset: 0; background: rgba(27,40,56,.45); z-index: 60;
      opacity: 0; pointer-events: none; transition: opacity .25s ease;
    }
    .drawer-mask.is-open { opacity: 1; pointer-events: auto; }
    .drawer a {
      display: flex; align-items: center; min-height: 48px;
      border-bottom: 1px solid var(--line); color: var(--text); font-weight: 600;
    }
    .hero {
      position: relative; min-height: 560px;
      display: flex; align-items: stretch; overflow: hidden;
      background: var(--dark);
    }
    .hero-slides { position: absolute; inset: 0; }
    .hero-slide {
      position: absolute; inset: 0; opacity: 0; transition: opacity .6s ease;
      background-size: cover; background-position: center;
    }
    .hero-slide.is-on { opacity: 1; }
    .hero-slide::after {
      content: ""; position: absolute; inset: 0;
      background: linear-gradient(90deg, rgba(27,40,56,.88) 0%, rgba(27,40,56,.72) 42%, rgba(27,40,56,.38) 100%);
    }
    .hero-body { position: relative; z-index: 2; width: 100%; padding: 56px 0 72px; }
    .hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 36px; align-items: center; }
    .hero-copy { color: var(--dark-text); max-width: 640px; }
    .eyebrow {
      display: inline-flex; align-items: center; gap: 8px;
      font-size: 13px; font-weight: 600; color: #c9dceb; margin-bottom: 14px;
    }
    .eyebrow::before { content: ""; width: 18px; height: 2px; background: #8eb8d8; }
    .hero h1, .hero .slide-title { color: #fff; font-size: 36px; margin-bottom: 16px; }
    .hero-lead { font-size: 16px; line-height: 1.8; color: #dce5ee; margin-bottom: 22px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 18px; }
    .hero-note { font-size: 13px; color: #b7c4d1; }
    .lead-card {
      background: #fff; border-radius: 12px; padding: 22px 22px 18px;
      box-shadow: var(--shadow); border: 1px solid rgba(226,232,240,.9);
    }
    .lead-card h3 { font-size: 18px; margin-bottom: 6px; }
    .lead-card .hint { font-size: 13px; color: var(--muted); margin-bottom: 14px; }
    .field { margin-bottom: 12px; }
    .field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--text); }
    .field input, .field select, .field textarea {
      width: 100%; min-height: 44px; border: 1px solid var(--input); border-radius: 8px;
      padding: 8px 12px; background: #fff; color: var(--text); font-size: 15px;
      transition: border-color .2s ease, box-shadow .2s ease;
    }
    .field textarea { min-height: 88px; resize: vertical; }
    .field input:focus, .field select:focus, .field textarea:focus {
      border-color: var(--primary); box-shadow: 0 0 0 3px rgba(44,106,160,.15); outline: none;
    }
    .field.is-error input, .field.is-error select, .field.is-error textarea {
      border-color: #C45C4A; background: var(--danger-bg);
    }
    .err { display: none; font-size: 12px; color: var(--danger); margin-top: 4px; }
    .field.is-error .err { display: block; }
    .form-ok {
      display: none; background: #eef7f2; border: 1px solid #cfe6d8; color: var(--success);
      border-radius: 8px; padding: 12px 14px; font-size: 14px; margin-bottom: 10px;
    }
    .form-ok.is-show { display: block; }
    .hero-nav {
      position: absolute; z-index: 3; left: 0; right: 0; bottom: 18px;
      display: flex; align-items: center; justify-content: center; gap: 12px;
    }
    .hero-dots { display: flex; gap: 8px; }
    .hero-dots button {
      width: 28px; height: 8px; border: 0; border-radius: 99px; background: rgba(255,255,255,.35);
    }
    .hero-dots button.is-on { background: var(--primary); }
    .hero-arrow {
      width: 44px; height: 44px; border-radius: 8px; border: 1px solid rgba(255,255,255,.3);
      background: rgba(27,40,56,.35); color: #fff; font-size: 18px;
    }
    .hero-arrow:hover { background: rgba(27,40,56,.6); }
    .section { padding: var(--space-section) 0; }
    .section-head { margin-bottom: 36px; max-width: 760px; }
    .section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
    .section-head p { color: var(--muted); margin-top: 12px; }
    .kicker { font-size: 13px; font-weight: 600; color: var(--accent); margin-bottom: 8px; }
    .card {
      background: var(--card); border: 1px solid #dce7f1; border-radius: var(--radius);
      box-shadow: var(--shadow); transition: transform .2s ease, box-shadow .2s ease;
    }
    .card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
    .soft { background: #fff; }
    .paper { background: var(--bg); }
    .mist { background: var(--primary-soft); }
    .safety-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .safety-item {
      background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 20px 18px;
      display: flex; gap: 12px; align-items: flex-start;
    }
    .safety-item:hover { transform: none; box-shadow: none; }
    .ico {
      width: 40px; height: 40px; flex-shrink: 0; border-radius: 10px;
      background: var(--primary-soft); color: var(--primary); display: grid; place-items: center;
    }
    .safety-item h3 { font-size: 16px; margin-bottom: 4px; }
    .safety-item p { font-size: 13px; color: var(--muted); }
    .steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; position: relative; }
    .steps::before {
      content: ""; position: absolute; left: 8%; right: 8%; top: 38px;
      height: 2px; background: linear-gradient(90deg, #c5d8e8, #e8f1f8, #c5d8e8);
    }
    .step {
      position: relative; background: #fff; border: 1px solid var(--line); border-radius: 12px;
      padding: 22px 22px 20px; box-shadow: var(--shadow);
    }
    .step-no { font-size: 28px; font-weight: 700; color: var(--primary); line-height: 1; margin-bottom: 10px; }
    .step h3 { margin-bottom: 8px; }
    .step p { font-size: 14px; color: var(--muted); }
    .split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
    .prose p { color: var(--muted); margin-bottom: 14px; }
    .badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 8px; }
    .badge {
      display: inline-flex; align-items: center; min-height: 32px; padding: 0 12px;
      border-radius: 8px; background: var(--primary-soft); color: var(--primary-dark);
      font-size: 13px; font-weight: 600; border: 1px solid #d3e4f2;
    }
    .badge-ok { background: #eef7f2; color: var(--success); border-color: #cfe6d8; }
    .cover-frame {
      border-radius: 12px; overflow: hidden; border: 1px solid #dce7f1;
      box-shadow: var(--shadow); position: relative;
    }
    .cover-frame img { width: 100%; height: 420px; object-fit: cover; }
    .cap-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .cap { padding: 22px; min-height: 220px; display: flex; flex-direction: column; }
    .cap .ico { margin-bottom: 14px; }
    .cap h3 { margin-bottom: 8px; }
    .cap p { font-size: 14px; color: var(--muted); flex: 1; }
    .mini-metric { margin-top: 12px; font-size: 13px; font-weight: 600; color: var(--primary-dark); }
    .cap-num { font-size: 32px; font-weight: 700; color: var(--primary); line-height: 1; margin-bottom: 10px; }
    .cap ul { margin-top: 8px; }
    .cap li { font-size: 14px; color: var(--muted); padding-left: 12px; position: relative; margin-bottom: 4px; }
    .cap li::before { content: ""; position: absolute; left: 0; top: 10px; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
    .scene-box { display: grid; grid-template-columns: 280px 1fr; gap: 20px; align-items: stretch; }
    .scene-tabs { display: flex; flex-direction: column; gap: 8px; }
    .scene-tab {
      text-align: left; background: #fff; border: 1px solid var(--line); border-radius: 10px;
      padding: 14px 16px; min-height: 64px; color: var(--text);
    }
    .scene-tab strong { display: block; font-size: 15px; }
    .scene-tab span { display: block; font-size: 12px; color: var(--muted); }
    .scene-tab.is-on { border-color: var(--primary); background: var(--primary-soft); box-shadow: inset 4px 0 0 var(--primary); }
    .scene-panel { background: #fff; border: 1px solid #dce7f1; border-radius: 12px; box-shadow: var(--shadow); overflow: hidden; }
    .scene-panel-top { display: grid; grid-template-columns: 1.1fr .9fr; min-height: 360px; }
    .fake-ui { padding: 20px; }
    .search-bar {
      display: flex; gap: 8px; border: 1px solid var(--input); border-radius: 8px; padding: 8px;
      background: var(--bg);
    }
    .search-bar input { flex: 1; border: 0; background: transparent; min-height: 36px; }
    .hit { border-left: 4px solid var(--primary); background: var(--primary-soft); padding: 12px 14px; border-radius: 0 8px 8px 0; margin-top: 14px; }
    .hit small { color: var(--accent); font-weight: 600; }
    .cite { font-size: 12px; color: var(--muted); margin-top: 12px; padding-top: 10px; border-top: 1px dashed var(--line); }
    .scene-shot img { width: 100%; height: 100%; object-fit: cover; min-height: 280px; }
    .plan-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 18px; }
    .plan-main { overflow: hidden; }
    .plan-main img { width: 100%; height: 240px; object-fit: cover; }
    .plan-main .pad, .plan-side { padding: 22px; }
    .plan-side { display: flex; flex-direction: column; gap: 16px; }
    .plan-item { padding-bottom: 14px; border-bottom: 1px solid var(--line); }
    .plan-item:last-child { border-bottom: 0; padding-bottom: 0; }
    .plan-item h3 { font-size: 17px; margin-bottom: 6px; }
    .plan-item p { font-size: 14px; color: var(--muted); }
    .dark-band { background: var(--dark); color: var(--dark-text); position: relative; overflow: hidden; }
    .dark-band::before {
      content: ""; position: absolute; inset: 0;
      background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
      background-size: 48px 48px; pointer-events: none;
    }
    .dark-band h2, .dark-band h3 { color: #fff; }
    .dark-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 32px; position: relative; }
    .quote-lg { font-size: 28px; line-height: 1.4; }
    .case-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .case-card { background: var(--dark-card); border: 1px solid #314257; border-radius: 12px; padding: 20px; }
    .case-card:hover { transform: translateY(-4px); }
    .case-card p { color: #c5d0dc; font-size: 14px; }
    .stat-inline { font-size: 22px; font-weight: 700; color: #d5e8f7; margin: 10px 0 6px; }
    .bento { display: grid; grid-template-columns: 1.2fr 1fr; grid-template-rows: 1fr 1fr; gap: 14px; }
    .bento-cell {
      background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 20px 20px 18px 24px;
      position: relative; overflow: hidden;
    }
    .bento-cell::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--primary); }
    .bento-cell:nth-child(2)::before { background: var(--accent); }
    .bento-cell:nth-child(3)::before { background: #1E5A8A; }
    .bento-cell:nth-child(4)::before { background: #5C7A9A; }
    .bento-cell h3 { margin-bottom: 8px; }
    .bento-cell li { font-size: 14px; color: var(--muted); margin-bottom: 4px; }
    .tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
    .tag {
      display: inline-flex; align-items: center; min-height: 36px; padding: 0 12px;
      border-radius: 8px; border: 1px solid var(--line); background: #fff;
      color: var(--primary-dark); font-size: 13px; font-weight: 600;
    }
    .tag:hover { border-color: var(--primary); background: var(--primary-soft); color: var(--primary-dark); }
    .story { display: grid; grid-template-columns: 88px 1fr; gap: 18px; padding: 22px 0; border-bottom: 1px solid var(--line); }
    .story:last-child { border-bottom: 0; }
    .avatar {
      width: 64px; height: 64px; border-radius: 12px; display: grid; place-items: center;
      color: #fff; font-weight: 700; font-size: 20px;
    }
    .story h3 { font-size: 18px; margin-bottom: 6px; }
    .story p { color: var(--muted); }
    .beforeafter { font-size: 14px; margin-top: 8px; }
    .beforeafter span { color: var(--accent); font-weight: 600; }
    .metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
    .metric {
      background: #fff; border: 1px solid #dce7f1; border-radius: 12px; padding: 22px 18px; text-align: center;
      box-shadow: var(--shadow);
    }
    .metric b { display: block; font-size: 30px; color: var(--primary-dark); line-height: 1.2; }
    .metric span { display: block; margin-top: 6px; font-size: 13px; color: var(--muted); }
    .compare { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
    .table-card { background: #fff; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; box-shadow: var(--shadow); }
    .table-card header { padding: 14px 18px; font-weight: 700; }
    .table-card.bad header { background: #f3f5f7; color: var(--muted); }
    .table-card.good header { background: var(--primary); color: #fff; }
    .table-card li {
      display: flex; align-items: center; gap: 10px; padding: 12px 18px;
      border-top: 1px solid var(--line); font-size: 14px;
    }
    .mark { width: 18px; text-align: center; font-weight: 700; }
    .mark.no { color: #9a6b66; }
    .mark.yes { color: var(--success); }
    .check-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 24px; margin-top: 22px; }
    .check-list li { font-size: 14px; color: var(--text); padding-left: 22px; position: relative; }
    .check-list li::before { content: "✓"; position: absolute; left: 0; color: var(--success); font-weight: 700; }
    .reviews { display: grid; grid-template-columns: .9fr 1.1fr .9fr; gap: 16px; align-items: start; }
    .review { padding: 22px; }
    .review:nth-child(2) { margin-top: 28px; }
    .stars { color: #c9a227; letter-spacing: 2px; font-size: 13px; margin-bottom: 8px; }
    .review p { font-size: 14px; color: var(--muted); }
    .who { margin-top: 12px; font-size: 13px; font-weight: 600; color: var(--text); }
    .ops { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .ops-block { padding: 22px; }
    .ops-block h3 { margin: 10px 0 8px; }
    .ops-block p { font-size: 14px; color: var(--muted); }
    .sys-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
    .sys-tags span {
      font-size: 12px; color: var(--muted); border: 1px dashed #c9d6e3; border-radius: 6px; padding: 4px 8px;
    }
    .bound {
      margin-top: 22px; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 20px 22px;
    }
    .bound h3 { margin-bottom: 8px; }
    .bound li { font-size: 14px; color: var(--muted); margin-bottom: 4px; }
    .news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .news { overflow: hidden; }
    .news img { width: 100%; height: 150px; object-fit: cover; }
    .news .pad { padding: 16px; }
    .news time { font-size: 12px; color: var(--muted); }
    .news h3 { font-size: 16px; margin: 6px 0; }
    .news p { font-size: 13px; color: var(--muted); }
    .faq-grid { display: grid; grid-template-columns: 280px 1fr; gap: 36px; }
    .acc { border: 1px solid var(--line); border-radius: 10px; background: #fff; margin-bottom: 8px; overflow: hidden; }
    .acc-btn {
      width: 100%; text-align: left; background: #fff; border: 0; padding: 14px 18px;
      min-height: 52px; font-size: 15px; font-weight: 600; color: var(--text);
      display: flex; justify-content: space-between; gap: 12px; align-items: center;
    }
    .acc-btn span { color: var(--primary); font-size: 20px; line-height: 1; }
    .acc-panel { display: none; padding: 0 18px 16px; background: var(--bg); color: var(--muted); font-size: 14px; }
    .acc.is-open .acc-panel { display: block; }
    .acc.is-open .acc-btn { background: var(--bg); }
    .acc-panel ul { margin-top: 8px; }
    .acc-panel li { padding-left: 14px; position: relative; margin-bottom: 4px; }
    .acc-panel li::before { content: "·"; position: absolute; left: 0; color: var(--primary); font-weight: 700; }
    .guarantee { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 36px; }
    .g-item { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 18px; text-align: center; }
    .g-item h3 { font-size: 16px; margin: 8px 0 4px; }
    .g-item p { font-size: 13px; color: var(--muted); }
    .cta-box {
      display: grid; grid-template-columns: 1.1fr .9fr; gap: 28px;
      background: var(--primary-soft); border: 1px solid #d3e4f2; border-radius: 12px; padding: 28px;
    }
    .contact-list li { font-size: 14px; margin-bottom: 8px; color: var(--muted); }
    .contact-list strong { color: var(--text); }
    .site-footer { background: #fff; border-top: 1px solid var(--line); padding: 48px 0 24px; }
    .foot-grid { display: grid; grid-template-columns: 1.3fr 1fr 1.1fr 1fr; gap: 28px; }
    .foot-grid h3 { font-size: 15px; margin-bottom: 12px; }
    .foot-grid p, .foot-grid a, .foot-grid li { font-size: 14px; color: var(--muted); }
    .foot-grid a:hover { color: var(--primary); }
    .foot-grid li { margin-bottom: 6px; }
    .copy { margin-top: 28px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
    .floatbar {
      position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
      background: #fff; border-top: 1px solid var(--line);
      box-shadow: 0 -8px 24px rgba(30,79,122,.08);
      transform: translateY(110%); transition: transform .25s ease;
    }
    .floatbar.is-show { transform: translateY(0); }
    .float-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }
    .float-inner p { font-size: 14px; font-weight: 600; margin: 0; }
    .float-actions { display: flex; align-items: center; gap: 12px; }
    .float-close {
      width: 44px; height: 44px; border: 0; background: transparent; color: var(--muted); font-size: 22px;
    }
    body.has-float { padding-bottom: 72px; }
    .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }
    @media (max-width: 1280px) {
      h1, .hero h1, .hero .slide-title { font-size: 32px; }
      .news-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 1024px) {
      :root { --space-section: 72px; --header-h: 96px; }
      .hero-grid, .split, .scene-box, .plan-grid, .dark-grid, .faq-grid, .cta-box, .foot-grid, .reviews { grid-template-columns: 1fr; }
      .scene-panel-top { grid-template-columns: 1fr; }
      .nav-links, .nav-cta { display: none; }
      .menu-toggle { display: inline-flex; }
      .cap-grid, .safety-grid, .metrics, .guarantee { grid-template-columns: 1fr 1fr; }
      .bento { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
      .quote-lg { font-size: 24px; }
      .cover-frame img { height: 320px; }
      .reviews .review:nth-child(2) { margin-top: 0; }
    }
    @media (max-width: 768px) {
      :root { --space-section: 56px; }
      h1, .hero h1, .hero .slide-title { font-size: 28px; }
      h2 { font-size: 24px; }
      .steps, .compare, .ops, .check-list { grid-template-columns: 1fr; }
      .steps::before { display: none; }
      .scene-tabs { flex-direction: row; overflow-x: auto; padding-bottom: 6px; }
      .scene-tab { min-width: 200px; }
      .hero { min-height: 0; }
      .hero-body { padding: 28px 0 64px; }
      .topbar .hide-sm { display: none; }
      .metrics, .safety-grid, .guarantee, .cap-grid, .bento, .news-grid, .case-cards { grid-template-columns: 1fr; }
      .float-inner { flex-wrap: wrap; padding: 10px 0; }
      .copy { flex-direction: column; }
    }
    @media (max-width: 520px) {
      h1, .hero h1, .hero .slide-title { font-size: 26px; }
      .wrap { padding: 0 16px; }
      .brand-text strong { font-size: 16px; }
      .hero-actions, .float-actions { width: 100%; }
      .hero-actions .btn, .float-actions .btn { width: 100%; }
      .lead-card, .cta-box { padding: 16px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { transition: none !important; animation: none !important; }
    }