/* roulang page: index */
:root {
      --c-primary: #1E6BB5;
      --c-primary-deep: #155A96;
      --c-accent: #2A9B8F;
      --c-cta: #D97706;
      --c-cta-hover: #C86D06;
      --c-cta-active: #B45309;
      --c-bg: #F4F7FB;
      --c-surface: #FFFFFF;
      --c-text: #1C2B3A;
      --c-muted: #5B6B7C;
      --c-line: #E2E8F0;
      --c-dark: #1A3348;
      --c-dark-2: #244560;
      --c-danger: #C23B3B;
      --c-ok: #2A9B8F;
      --radius: 14px;
      --radius-sm: 8px;
      --shadow: 0 8px 28px rgba(30, 107, 181, 0.08);
      --shadow-hover: 0 12px 32px rgba(30, 107, 181, 0.14);
      --container: 1220px;
      --nav-h: 76px;
      --dock-h: 68px;
      --font: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", "Microsoft YaHei", sans-serif;
      --space: 88px;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: var(--font);
      color: var(--c-text);
      background: var(--c-bg);
      font-size: 16px;
      line-height: 1.75;
      padding-bottom: var(--dock-h);
      overflow-x: hidden;
    }
    body.nav-lock { overflow: hidden; }
    img { max-width: 100%; height: auto; display: block; border: 0; }
    a { color: var(--c-primary); text-decoration: none; transition: color .2s, background .2s, border-color .2s, transform .2s, box-shadow .2s; }
    a:hover { color: var(--c-primary-deep); }
    button, input, select, textarea { font-family: inherit; font-size: 16px; }
    button { cursor: pointer; border: 0; background: none; }
    h1, h2, h3, h4, p { margin: 0; }
    ul { margin: 0; padding: 0; list-style: none; }
    :focus-visible { outline: 2px solid var(--c-primary); outline-offset: 3px; }
    .container { width: min(100% - 40px, var(--container)); margin: 0 auto; }
    .skip {
      position: absolute; left: -999px; top: 0;
    }
    .skip:focus { left: 16px; top: 16px; z-index: 200; background: #fff; padding: 8px 12px; }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 44px; padding: 10px 22px; border-radius: var(--radius-sm);
      font-weight: 600; letter-spacing: .02em; line-height: 1.2; border: 1px solid transparent;
      transition: background .2s, color .2s, border-color .2s, transform .2s, box-shadow .2s, filter .2s;
    }
    .btn-primary { background: var(--c-cta); color: #fff; }
    .btn-primary:hover { background: var(--c-cta-hover); color: #fff; }
    .btn-primary:active { background: var(--c-cta-active); color: #fff; transform: translateY(1px); }
    .btn-secondary {
      background: #fff; color: var(--c-primary); border-color: var(--c-primary);
    }
    .btn-secondary:hover { background: rgba(30, 107, 181, .06); color: var(--c-primary-deep); }
    .btn-ghost {
      background: transparent; color: #fff; border-color: rgba(255,255,255,.55);
    }
    .btn-ghost:hover { background: rgba(255,255,255,.08); color: #fff; }
    .btn-block { width: 100%; }
    .badge {
      display: inline-flex; align-items: center; height: 26px; padding: 0 10px;
      border-radius: 6px; font-size: 12px; font-weight: 600; color: var(--c-accent);
      background: rgba(42, 155, 143, .12); letter-spacing: .04em;
    }
    .kicker {
      display: inline-flex; align-items: center; gap: 8px;
      color: var(--c-primary); font-size: 13px; font-weight: 600; letter-spacing: .08em;
      margin-bottom: 12px;
    }
    .kicker::before {
      content: ""; width: 18px; height: 2px; background: var(--c-primary);
    }
    .lead { color: var(--c-muted); font-size: 16px; line-height: 1.75; max-width: 760px; }
    .lead + .lead, h2 + .lead { margin-top: 14px; }
    h1 { font-size: 42px; line-height: 1.35; font-weight: 700; letter-spacing: .01em; }
    h2 { font-size: 30px; line-height: 1.4; font-weight: 700; }
    h3 { font-size: 18px; line-height: 1.4; font-weight: 650; }
    .section { padding: var(--space) 0; }
    .section-head { margin-bottom: 36px; }
    .section-alt { background: #fff; }
    .icon-line {
      width: 36px; height: 36px; border: 1.5px solid var(--c-primary); border-radius: 10px;
      display: inline-flex; align-items: center; justify-content: center; color: var(--c-primary);
      flex-shrink: 0;
    }
    .icon-line svg { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }

    .topbar {
      height: 40px; background: rgba(30, 107, 181, .06); color: var(--c-muted); font-size: 13px;
    }
    .topbar .container {
      height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px;
    }
    .topbar a { color: var(--c-muted); }
    .topbar a:hover { color: var(--c-primary); }
    .topbar-right { display: flex; align-items: center; gap: 18px; }
    .nav-main {
      height: var(--nav-h); background: #fff; border-bottom: 1px solid var(--c-line);
      position: sticky; top: 0; z-index: 60; transition: box-shadow .2s;
    }
    .nav-main.is-stuck { box-shadow: 0 8px 20px rgba(28, 43, 58, .06); }
    .nav-main .container {
      height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 20px;
    }
    .logo {
      display: flex; align-items: center; gap: 10px; color: var(--c-text); flex-shrink: 0;
    }
    .logo:hover { color: var(--c-primary); }
    .logo-mark {
      width: 40px; height: 40px; border-radius: 12px; background: #fff;
      border: 1px solid var(--c-line); display: grid; place-items: center;
      box-shadow: var(--shadow);
    }
    .logo-text { display: flex; flex-direction: column; line-height: 1.15; }
    .logo-text strong { font-size: 16px; font-weight: 700; }
    .logo-text span { font-size: 12px; color: var(--c-muted); font-weight: 400; margin-top: 3px; }
    .menu {
      display: flex; align-items: center; gap: 4px;
    }
    .menu a {
      position: relative; color: var(--c-text); font-size: 15px; padding: 10px 12px; min-height: 44px;
      display: inline-flex; align-items: center; white-space: nowrap;
    }
    .menu a::after {
      content: ""; position: absolute; left: 12px; right: 12px; bottom: 6px; height: 2px;
      background: var(--c-primary); transform: scaleX(0); transform-origin: left; transition: transform .2s;
    }
    .menu a:hover, .menu a.is-active { color: var(--c-primary); }
    .menu a.is-active::after, .menu a:hover::after { transform: scaleX(1); }
    .nav-cta { flex-shrink: 0; }
    .nav-tools { display: none; align-items: center; gap: 6px; }
    .icon-btn {
      width: 44px; height: 44px; border-radius: 10px; display: grid; place-items: center; color: var(--c-text);
    }
    .icon-btn:hover { background: rgba(30, 107, 181, .08); color: var(--c-primary); }
    .hamburger span {
      display: block; width: 18px; height: 2px; background: currentColor; margin: 4px 0; border-radius: 2px;
      transition: transform .2s, opacity .2s;
    }
    .drawer {
      position: fixed; inset: 0; background: rgba(26, 51, 72, .46); z-index: 80;
      opacity: 0; pointer-events: none; transition: opacity .2s;
    }
    .drawer.is-open { opacity: 1; pointer-events: auto; }
    .drawer-panel {
      position: absolute; top: 0; right: 0; height: 100%; width: min(86vw, 360px);
      background: #fff; padding: 24px 22px 32px; transform: translateX(100%); transition: transform .25s;
      display: flex; flex-direction: column; gap: 8px; overflow: auto;
    }
    .drawer.is-open .drawer-panel { transform: translateX(0); }
    .drawer-panel a {
      min-height: 44px; display: flex; align-items: center; color: var(--c-text); padding: 8px 4px;
      border-bottom: 1px solid var(--c-line); font-size: 16px;
    }
    .drawer-panel .btn { margin-top: 16px; border-bottom: 0; justify-content: center; }
    .drawer-meta { color: var(--c-muted); font-size: 14px; padding: 12px 4px 0; line-height: 1.7; }

    .hero { position: relative; height: 90vh; min-height: 620px; overflow: hidden; padding: 0; }
    .hero-track { height: 100%; }
    .hero-slide {
      position: absolute; inset: 0; opacity: 0; pointer-events: none; transition: opacity .6s ease;
    }
    .hero-slide.is-active { opacity: 1; pointer-events: auto; z-index: 1; }
    .hero-slide img {
      width: 100%; height: 100%; object-fit: cover; object-position: center;
    }
    .hero-mask {
      position: absolute; inset: 0;
      background: linear-gradient(90deg, rgba(244,247,251,.82) 0%, rgba(244,247,251,.58) 46%, rgba(244,247,251,.18) 100%);
    }
    .hero-content {
      position: relative; z-index: 2; height: 100%; display: flex; align-items: center;
    }
    .hero-panel {
      max-width: 640px; background: rgba(255,255,255,.9); border-radius: 16px; padding: 36px 38px 32px;
      box-shadow: var(--shadow);
    }
    .hero-panel h1, .hero-panel .hero-title {
      font-size: 42px; line-height: 1.35; font-weight: 700; margin: 0 0 16px;
    }
    .hero-panel .hero-title { display: block; }
    .hero-panel .intro-copy { color: var(--c-muted); margin-bottom: 26px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .hero-nav, .hero-dots {
      position: absolute; z-index: 3;
    }
    .hero-nav {
      top: 50%; transform: translateY(-50%); width: 44px; height: 44px; border-radius: 50%;
      background: #fff; box-shadow: var(--shadow); color: var(--c-text); display: grid; place-items: center;
    }
    .hero-nav:hover { color: var(--c-primary); }
    .hero-prev { left: 18px; }
    .hero-next { right: 18px; }
    .hero-dots {
      left: 50%; bottom: 28px; transform: translateX(-50%); display: flex; gap: 8px;
    }
    .hero-dots button {
      width: 10px; height: 10px; border-radius: 50%; background: rgba(28,43,58,.25); min-height: 10px;
    }
    .hero-dots button.is-active { background: var(--c-primary); width: 22px; border-radius: 6px; }

    .points { background: #fff; }
    .point-grid {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 0;
    }
    .point {
      padding: 8px 28px 4px; border-right: 1px solid var(--c-line);
    }
    .point:last-child { border-right: 0; }
    .point h3 { margin: 14px 0 8px; }
    .point p { color: var(--c-muted); font-size: 15px; }

    .split {
      display: grid; grid-template-columns: 5fr 7fr; gap: 56px; align-items: center;
    }
    .split.reverse { grid-template-columns: 7fr 5fr; }
    .split.reverse .split-media { order: 2; }
    .media-frame {
      border-radius: 16px; overflow: hidden; box-shadow: var(--shadow); background: #fff;
    }
    .media-frame img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
    .spec-list { margin-top: 22px; display: grid; gap: 10px; }
    .spec-list li {
      display: grid; grid-template-columns: 88px 1fr; gap: 12px; padding: 10px 0;
      border-bottom: 1px solid var(--c-line); font-size: 15px;
    }
    .spec-list strong { color: var(--c-primary); font-weight: 650; }
    .spec-list span { color: var(--c-text); }
    .intro-actions { margin-top: 24px; display: flex; gap: 12px; flex-wrap: wrap; }

    .adv-grid {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
    }
    .card {
      background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden;
      transition: transform .2s, box-shadow .2s;
    }
    .card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
    .adv-card { padding: 22px 22px 20px; border-top: 3px solid var(--c-primary); }
    .adv-card h3 { margin-bottom: 12px; }
    .adv-card li {
      position: relative; padding-left: 16px; color: var(--c-muted); font-size: 14px; line-height: 1.7; margin-bottom: 8px;
    }
    .adv-card li::before {
      content: ""; position: absolute; left: 0; top: 10px; width: 6px; height: 6px; border-radius: 50%; background: var(--c-primary);
    }

    .scene-wrap {
      display: grid; grid-template-columns: 280px 1fr; gap: 28px; align-items: stretch;
    }
    .scene-tabs { display: flex; flex-direction: column; gap: 10px; }
    .scene-tab {
      min-height: 52px; text-align: left; padding: 12px 16px; border-radius: 10px;
      background: #fff; border: 1px solid var(--c-line); color: var(--c-text); font-weight: 600;
    }
    .scene-tab:hover { border-color: var(--c-primary); color: var(--c-primary); }
    .scene-tab.is-active {
      background: var(--c-primary); color: #fff; border-color: var(--c-primary);
    }
    .scene-stage {
      background: #fff; border-radius: 16px; overflow: hidden; box-shadow: var(--shadow); min-height: 420px;
    }
    .scene-stage img { width: 100%; height: 280px; object-fit: cover; }
    .scene-copy { padding: 22px 24px 26px; }
    .scene-copy h3 { margin-bottom: 10px; }
    .scene-copy p { color: var(--c-muted); }
    .scene-panel { display: none; }
    .scene-panel.is-active { display: block; }

    .product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
    .product-card { display: flex; flex-direction: column; }
    .product-card img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
    .product-body { padding: 18px 20px 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
    .product-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
    .product-card h3 { font-size: 18px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
    .spec-mini { color: var(--c-muted); font-size: 14px; }
    .spec-mini li { padding: 4px 0 4px 14px; position: relative; }
    .spec-mini li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--c-accent); position: absolute; left: 0; top: 12px; }
    .price { color: var(--c-cta); font-weight: 700; font-size: 16px; margin-top: auto; }

    .path { background: #eef4fa; }
    .timeline {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; position: relative;
    }
    .timeline::before {
      content: ""; position: absolute; left: 8%; right: 8%; top: 23px; height: 2px; background: rgba(30,107,181,.25);
    }
    .time-node { position: relative; padding-top: 8px; }
    .dot {
      width: 16px; height: 16px; border-radius: 50%; background: var(--c-primary); margin-bottom: 18px;
      box-shadow: 0 0 0 6px rgba(30,107,181,.12);
    }
    .time-node h3 { margin-bottom: 8px; }
    .time-node p { color: var(--c-muted); font-size: 14px; }

    .dark {
      background: var(--c-dark); color: #E8EEF4; padding: 88px 0;
    }
    .dark-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
    .dark h2, .dark p { color: #E8EEF4; }
    .dark .lead { color: rgba(232,238,244,.78); }
    .case-list { display: grid; gap: 16px; }
    .case-item {
      border: 1px solid rgba(255,255,255,.16); border-radius: 12px; padding: 18px 20px;
    }
    .case-item h3 { color: #fff; margin-bottom: 8px; font-size: 17px; }
    .case-item p { color: rgba(232,238,244,.78); font-size: 14px; }

    .compare-table { background: #fff; border-radius: 16px; overflow: hidden; box-shadow: var(--shadow); }
    .cmp-head, .cmp-row {
      display: grid; grid-template-columns: 1.1fr 1.2fr 1.2fr;
    }
    .cmp-head { background: #f3f7fb; font-weight: 700; }
    .cmp-head div, .cmp-row div { padding: 16px 20px; border-bottom: 1px solid var(--c-line); }
    .cmp-row:last-child div { border-bottom: 0; }
    .ok { color: var(--c-text); }
    .ok::before { content: "✓ "; color: var(--c-primary); font-weight: 700; }
    .no { color: var(--c-muted); }
    .no::before { content: "– "; }
    .hl { background: rgba(30,107,181,.04); }

    .story-grid {
      display: grid; grid-template-columns: 1.4fr .8fr; gap: 22px;
    }
    .quote-card { background: #fff; border-radius: 16px; box-shadow: var(--shadow); padding: 28px; }
    .quote-card blockquote {
      margin: 0 0 18px; font-size: 20px; line-height: 1.6; font-weight: 600;
    }
    .who { display: flex; align-items: center; gap: 12px; color: var(--c-muted); font-size: 14px; }
    .avatar {
      width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; color: #fff; font-weight: 700;
    }
    .a1 { background: var(--c-primary); }
    .a2 { background: var(--c-accent); }
    .a3 { background: var(--c-dark-2); }
    .story-side { display: grid; gap: 16px; }

    .stats {
      background: rgba(30,107,181,.06); padding: 48px 0;
    }
    .stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; text-align: center; }
    .stat strong {
      display: block; font-size: 40px; line-height: 1.2; color: var(--c-primary); font-weight: 750;
    }
    .stat span { color: var(--c-muted); font-size: 14px; }

    .review-grid {
      display: grid; grid-template-columns: 1.15fr .85fr; gap: 18px;
    }
    .review-card { padding: 22px; }
    .stars { color: var(--c-primary); letter-spacing: 2px; font-size: 14px; margin-bottom: 10px; }
    .review-card p { color: var(--c-muted); font-size: 15px; }
    .review-card .who { margin-top: 16px; }
    .shift { margin-top: 28px; }

    .steps {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 28px;
    }
    .step {
      padding: 8px 8px 0; border-top: 2px solid var(--c-primary);
    }
    .step-num {
      display: inline-block; font-size: 13px; color: var(--c-primary); font-weight: 700; margin: 12px 0 8px;
    }

    .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
    .news-card img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
    .news-body { padding: 16px 18px 20px; }
    .news-date { font-size: 13px; color: var(--c-muted); }
    .news-card h3 {
      margin: 8px 0 8px; font-size: 18px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    }
    .news-card p { color: var(--c-muted); font-size: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
    .news-more { margin-top: 22px; }

    .faq-list { display: grid; gap: 10px; }
    .faq-item { background: #fff; border-radius: 12px; box-shadow: var(--shadow); overflow: hidden; border-left: 3px solid transparent; }
    .faq-item.is-open { border-left-color: var(--c-primary); }
    .faq-q {
      width: 100%; min-height: 56px; text-align: left; padding: 16px 52px 16px 20px; position: relative;
      font-weight: 650; color: var(--c-text);
    }
    .faq-q span.sign {
      position: absolute; right: 18px; top: 50%; transform: translateY(-50%); width: 28px; height: 28px;
      border-radius: 50%; border: 1px solid var(--c-line); display: grid; place-items: center; color: var(--c-primary); font-size: 18px;
    }
    .faq-a { display: none; padding: 0 20px 18px; color: var(--c-muted); }
    .faq-item.is-open .faq-a { display: block; }

    .guard-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
    .guard {
      background: #fff; border: 1px solid var(--c-line); border-radius: 12px; padding: 18px;
      display: flex; gap: 12px; align-items: flex-start;
    }
    .guard h3 { font-size: 16px; margin-bottom: 4px; }
    .guard p { color: var(--c-muted); font-size: 14px; }

    .contact {
      background: #eaf1f8; padding: 88px 0;
    }
    .contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
    .benefit li {
      padding: 12px 0 12px 28px; position: relative; border-bottom: 1px solid rgba(30,107,181,.12);
    }
    .benefit li::before {
      content: ""; width: 10px; height: 10px; border-radius: 3px; background: var(--c-accent);
      position: absolute; left: 0; top: 18px;
    }
    .form-card {
      background: #fff; border-radius: 16px; box-shadow: var(--shadow); padding: 26px;
    }
    .field { margin-bottom: 14px; }
    .field label { display: block; font-size: 14px; margin-bottom: 6px; font-weight: 600; }
    .field input, .field select {
      width: 100%; height: 46px; border: 1px solid var(--c-line); border-radius: 8px; padding: 0 12px; background: #fff; color: var(--c-text);
    }
    .field input:focus, .field select:focus {
      border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(30,107,181,.15); outline: none;
    }
    .field .err { color: var(--c-danger); font-size: 13px; margin-top: 6px; display: none; }
    .field.has-error input, .field.has-error select { border-color: var(--c-danger); }
    .field.has-error .err { display: block; }
    .form-note { font-size: 13px; color: var(--c-muted); margin-top: 10px; }
    .form-success {
      display: none; background: rgba(42,155,143,.1); color: #1a6b63; border-radius: 10px; padding: 14px 16px; margin-bottom: 12px;
    }
    .aside-contact { margin-top: 18px; color: var(--c-muted); font-size: 14px; }

    .dock {
      position: fixed; left: 0; right: 0; bottom: 0; z-index: 40;
      background: #fff; border-top: 1px solid var(--c-line); box-shadow: 0 -8px 24px rgba(28,43,58,.06);
      min-height: var(--dock-h);
    }
    .dock.is-hide { transform: translateY(110%); }
    .dock { transition: transform .25s; }
    .dock .container {
      min-height: var(--dock-h); display: flex; align-items: center; justify-content: space-between; gap: 16px;
    }
    .dock p { font-weight: 650; }
    .dock-actions { display: flex; align-items: center; gap: 12px; }
    .dock-phone { color: var(--c-primary); font-weight: 700; min-height: 44px; display: inline-flex; align-items: center; }

    .footer { background: #fff; border-top: 3px solid var(--c-primary-deep); padding: 56px 0 28px; }
    .foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.1fr; gap: 28px; }
    .footer h3 { font-size: 16px; margin-bottom: 12px; }
    .footer p, .footer a, .footer li { color: var(--c-muted); font-size: 14px; }
    .footer a { display: inline-flex; min-height: 32px; align-items: center; }
    .footer a:hover { color: var(--c-primary); }
    .copy {
      margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--c-line);
      color: var(--c-muted); font-size: 13px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
    }

    @media (max-width: 1280px) {
      h1, .hero-panel h1, .hero-panel .hero-title { font-size: 36px; }
      h2 { font-size: 28px; }
    }
    @media (max-width: 1024px) {
      :root { --space: 72px; }
      .menu { display: none; }
      .nav-cta { display: none; }
      .nav-tools { display: flex; }
      .split, .split.reverse, .scene-wrap, .dark-grid, .story-grid, .contact-grid, .review-grid {
        grid-template-columns: 1fr;
      }
      .split.reverse .split-media { order: 0; }
      .adv-grid, .product-grid, .news-grid, .timeline, .guard-grid, .stat-grid, .steps, .foot-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .timeline::before { display: none; }
      .hero { height: 78vh; min-height: 560px; }
      .hero-panel { padding: 28px 24px; }
    }
    @media (max-width: 768px) {
      :root { --space: 52px; --nav-h: 64px; --dock-h: 64px; }
      .topbar { display: none; }
      .container { width: min(100% - 28px, var(--container)); }
      h1, .hero-panel h1, .hero-panel .hero-title { font-size: 30px; }
      h2 { font-size: 24px; }
      .hero { height: 70vh; min-height: 520px; }
      .hero-mask { background: rgba(244,247,251,.72); }
      .hero-prev { left: 8px; }
      .hero-next { right: 8px; }
      .point-grid, .adv-grid, .product-grid, .news-grid, .timeline, .guard-grid, .stat-grid, .steps, .foot-grid {
        grid-template-columns: 1fr;
      }
      .point { border-right: 0; border-bottom: 1px solid var(--c-line); padding: 16px 0; }
      .cmp-head { display: none; }
      .cmp-row { grid-template-columns: 1fr; }
      .cmp-row div { padding: 10px 16px; }
      .cmp-label { background: #f3f7fb; font-weight: 700; }
      .dock p { display: none; }
      .logo-text span { display: none; }
      .copy { flex-direction: column; }
      .shift { margin-top: 0; }
    }
    @media (max-width: 520px) {
      h1, .hero-panel h1, .hero-panel .hero-title { font-size: 28px; }
      .hero-panel { padding: 22px 18px; }
      .hero-actions .btn { width: 100%; }
      .stat strong { font-size: 32px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { animation: none !important; transition: none !important; }
    }