/* roulang page: index */
:root {
      --c-primary: #1E6FBA;
      --c-primary-deep: #155A96;
      --c-accent: #3E8C9A;
      --c-bg: #F4F7FB;
      --c-white: #FFFFFF;
      --c-dark: #14324A;
      --c-dark-text: #E8F1F8;
      --c-text: #1B2A38;
      --c-muted: #5A6B7A;
      --c-warn: #C0562A;
      --c-border: #D7E3EF;
      --c-soft: #EAF3FA;
      --c-success: #2F7D6D;
      --shadow: 0 10px 30px rgba(21, 90, 150, 0.08);
      --shadow-hover: 0 16px 40px rgba(21, 90, 150, 0.14);
      --radius-card: 14px;
      --radius-btn: 8px;
      --radius-badge: 999px;
      --radius-input: 8px;
      --container: 1220px;
      --gutter: 28px;
      --nav-h: 118px;
      --ease: 180ms ease;
      --helix: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160' viewBox='0 0 160 160'%3E%3Cpath fill='none' stroke='%231E6FBA' stroke-width='1.2' d='M40 8c24 18 56 18 80 0M40 40c24 18 56 18 80 0M40 72c24 18 56 18 80 0M40 104c24 18 56 18 80 0M40 136c24 18 56 18 80 0M40 8v128M120 8v128'/%3E%3C/svg%3E");
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 128px; }
    html, body { margin: 0; padding: 0; }
    body {
      font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      color: var(--c-text);
      background: var(--c-bg);
      font-size: 16px;
      line-height: 1.75;
      overflow-x: hidden;
    }
    body.nav-open { overflow: hidden; }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--c-primary); text-decoration: none; transition: color var(--ease); }
    a:hover { color: var(--c-primary-deep); }
    button, input, select, textarea { font-family: inherit; font-size: 16px; }
    button { cursor: pointer; }
    h1, h2, h3, h4, p { margin: 0; }
    ul, ol { margin: 0; padding: 0; list-style: none; }
    :focus-visible {
      outline: 2px solid var(--c-primary);
      outline-offset: 3px;
      box-shadow: 0 0 0 4px rgba(30, 111, 186, 0.18);
    }
    button:focus:not(:focus-visible), a:focus:not(:focus-visible) { outline: none; }
    .container {
      width: min(var(--container), calc(100% - 48px));
      margin-inline: auto;
    }
    .skip {
      position: absolute; left: -999px; top: 8px;
    }
    .skip:focus { left: 8px; z-index: 80; background: #fff; padding: 8px 12px; border-radius: 8px; }
    .site-header {
      position: sticky; top: 0; z-index: 50;
      background: var(--c-white);
      box-shadow: 0 1px 0 var(--c-border);
    }
    .topbar {
      display: flex; align-items: center; justify-content: space-between; gap: 16px;
      min-height: 38px;
      padding: 0 0;
      width: min(var(--container), calc(100% - 48px));
      margin-inline: auto;
      font-size: 13px; color: var(--c-muted);
      border-bottom: 1px solid var(--c-border);
      transition: min-height 200ms ease, opacity 200ms ease, padding 200ms ease;
    }
    .site-header.is-compact .topbar {
      min-height: 0; height: 0; opacity: 0; overflow: hidden; border: 0; pointer-events: none;
    }
    .topbar-left, .topbar-mid, .topbar-right {
      display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
    }
    .topbar a { color: var(--c-muted); }
    .topbar a:hover { color: var(--c-primary); }
    .badge {
      display: inline-flex; align-items: center; gap: 6px;
      padding: 3px 10px; border-radius: var(--radius-badge);
      background: #E8F6F4; color: var(--c-accent); font-size: 12px; font-weight: 600;
    }
    .mainnav {
      display: flex; align-items: center; justify-content: space-between; gap: 18px;
      min-height: 80px;
    }
    .logo {
      display: inline-flex; align-items: center; gap: 10px;
      color: var(--c-text); font-weight: 700; font-size: 18px; letter-spacing: 0.02em;
      flex-shrink: 0;
    }
    .logo:hover { color: var(--c-primary-deep); }
    .logo-mark {
      width: 36px; height: 36px; border-radius: 10px;
      background: linear-gradient(180deg, #2B86D1, var(--c-primary-deep));
      display: grid; place-items: center; box-shadow: var(--shadow);
    }
    .nav-list {
      display: flex; align-items: center; gap: 4px; flex-wrap: wrap;
    }
    .nav-list a {
      position: relative; color: var(--c-text); font-size: 14.5px; font-weight: 500;
      padding: 10px 11px; min-height: 44px; display: inline-flex; align-items: center;
    }
    .nav-list a::after {
      content: ""; position: absolute; left: 11px; right: 11px; bottom: 6px; height: 2px;
      background: transparent; border-radius: 2px; transition: background var(--ease);
    }
    .nav-list a:hover { color: var(--c-primary); }
    .nav-list a.is-active { color: var(--c-primary); }
    .nav-list a.is-active::after { background: var(--c-primary); }
    .nav-cta { flex-shrink: 0; }
    .nav-toggle {
      display: none; width: 44px; height: 44px; border: 1px solid var(--c-border);
      border-radius: 8px; background: #fff; padding: 0; position: relative;
    }
    .nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
      display: block; width: 18px; height: 2px; background: var(--c-text); border-radius: 2px;
      position: absolute; left: 12px;
    }
    .nav-toggle span { top: 21px; }
    .nav-toggle span::before { content: ""; top: -6px; }
    .nav-toggle span::after { content: ""; top: 6px; }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 44px; padding: 10px 18px; border-radius: var(--radius-btn);
      border: 1px solid transparent; font-weight: 600; line-height: 1.2;
      transition: background var(--ease), border-color var(--ease), transform var(--ease), box-shadow var(--ease), color var(--ease);
    }
    .btn-primary {
      background: var(--c-primary); color: #fff; box-shadow: 0 8px 18px rgba(30, 111, 186, 0.22);
    }
    .btn-primary:hover {
      background: var(--c-primary-deep); color: #fff; transform: translateY(-1px);
    }
    .btn-primary:active { transform: translateY(0); }
    .btn-ghost {
      background: #fff; color: var(--c-primary); border-color: var(--c-primary);
    }
    .btn-ghost:hover { background: var(--c-soft); color: var(--c-primary-deep); transform: translateY(-1px); }
    .btn-line {
      background: transparent; color: #fff; border-color: rgba(255,255,255,.7);
    }
    .btn-line:hover { background: rgba(255,255,255,.08); color: #fff; }
    .btn-text {
      background: none; border: 0; color: var(--c-primary); padding: 0; min-height: 32px; font-weight: 600;
    }
    .btn-text:hover { color: var(--c-primary-deep); }
    .btn-block { width: 100%; }
    main { overflow: hidden; }
    .section {
      position: relative;
      padding: 104px 0;
    }
    .section-white { background: #fff; }
    .section-soft { background: var(--c-bg); }
    .section-head { max-width: 760px; margin-bottom: 36px; }
    .section-head.center { margin-inline: auto; text-align: center; }
    .kicker {
      display: inline-flex; align-items: center; gap: 8px;
      color: var(--c-accent); font-size: 13px; font-weight: 700; letter-spacing: 0.08em;
      margin-bottom: 10px;
    }
    h1, .hero-title {
      font-size: 44px; line-height: 1.22; font-weight: 700; letter-spacing: -0.02em; color: var(--c-text);
    }
    h2 {
      font-size: 30px; line-height: 1.35; font-weight: 700; margin-bottom: 12px; color: var(--c-text);
    }
    h3 { font-size: 18px; line-height: 1.45; font-weight: 700; color: var(--c-text); }
    .lead { color: var(--c-muted); font-size: 16px; }
    .micro { font-size: 13px; color: var(--c-muted); }
    .card {
      background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius-card);
      box-shadow: var(--shadow); transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }
    .card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
    .icon-svg { width: 28px; height: 28px; color: var(--c-primary); }
    .hero {
      padding: 0; background: #E7F1F9;
      border-bottom: 1px solid var(--c-border);
    }
    .hero-viewport { position: relative; overflow: hidden; min-height: 640px; }
    .hero-slide {
      display: none; position: relative; min-height: 640px;
    }
    .hero-slide.is-active { display: block; }
    .hero-bg {
      position: absolute; inset: 0;
      background-size: cover; background-position: center;
      filter: saturate(0.9);
    }
    .hero-bg::after {
      content: ""; position: absolute; inset: 0;
      background:
        linear-gradient(90deg, rgba(244,247,251,.94) 0%, rgba(244,247,251,.86) 42%, rgba(244,247,251,.55) 100%),
        var(--helix);
      background-size: auto, 180px 180px;
      opacity: 1;
    }
    .hero-grid {
      position: relative; z-index: 2;
      display: grid; grid-template-columns: 1.15fr .85fr; gap: 40px; align-items: center;
      min-height: 640px; padding: 56px 0 72px;
    }
    .brand-mark {
      font-size: 14px; font-weight: 700; color: var(--c-primary); letter-spacing: 0.12em; margin-bottom: 14px;
    }
    .hero-copy .lead { margin: 18px 0 26px; max-width: 640px; }
    .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
    .hero-visual {
      position: relative; display: grid; gap: 14px; justify-items: end;
    }
    .report-shot {
      width: min(100%, 390px);
      border-radius: 16px; overflow: hidden;
      border: 1px solid var(--c-border);
      box-shadow: var(--shadow-hover);
      background:
        repeating-linear-gradient(0deg, rgba(255,255,255,.0), rgba(255,255,255,.0) 18px, rgba(30,111,186,.03) 19px);
    }
    .report-shot img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
    .module-board {
      width: min(100%, 390px);
      background: #fff; border: 1px solid var(--c-border); border-radius: 14px;
      box-shadow: var(--shadow); padding: 14px 16px;
    }
    .module-board h3 { font-size: 14px; margin-bottom: 8px; }
    .module-board li {
      display: flex; justify-content: space-between; gap: 10px;
      padding: 8px 0; border-top: 1px dashed #E3EDF5; font-size: 13px;
    }
    .module-board li span { color: var(--c-muted); }
    .rank { color: var(--c-accent); font-weight: 700; font-variant-numeric: tabular-nums; }
    .hero-controls {
      position: absolute; left: 0; right: 0; bottom: 18px; z-index: 3;
      display: flex; align-items: center; justify-content: center; gap: 14px;
    }
    .hero-arrow {
      width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--c-border);
      background: rgba(255,255,255,.92); color: var(--c-text);
    }
    .hero-arrow:hover { background: #fff; border-color: var(--c-primary); color: var(--c-primary); }
    .hero-dots { display: flex; gap: 8px; }
    .hero-dots button {
      width: 10px; height: 10px; border-radius: 50%; border: 0; background: #C5D6E6; padding: 0;
    }
    .hero-dots button.is-on { background: var(--c-primary); width: 22px; border-radius: 999px; }
    .split {
      display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center;
    }
    .split.reverse { grid-template-columns: .95fr 1.05fr; }
    .split.reverse .split-media { order: -1; }
    .stat-pills { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0 0; }
    .stat-pill {
      background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius-badge);
      padding: 8px 14px; font-size: 13px; color: var(--c-text); box-shadow: var(--shadow);
    }
    .stat-pill b { color: var(--c-primary); margin-right: 4px; }
    .media-frame {
      border-radius: 16px; overflow: hidden; border: 1px solid var(--c-border); box-shadow: var(--shadow);
    }
    .media-frame img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
    .feature-grid {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
    }
    .feature-card { padding: 24px 22px 20px; }
    .feature-card .icon-wrap {
      width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
      background: var(--c-soft); margin-bottom: 14px;
    }
    .feature-card p { color: var(--c-muted); font-size: 14.5px; margin: 10px 0 14px; min-height: 72px; }
    .scene-stack { display: grid; gap: 28px; }
    .scene-row {
      display: grid; grid-template-columns: 280px 1fr; gap: 28px; align-items: stretch;
      background: #fff; border: 1px solid var(--c-border); border-radius: 16px;
      box-shadow: var(--shadow); overflow: hidden;
    }
    .scene-row img { width: 100%; height: 100%; min-height: 210px; object-fit: cover; }
    .scene-body { padding: 26px 28px 22px; }
    .scene-body ul { margin: 12px 0 18px; }
    .scene-body li {
      position: relative; padding-left: 16px; color: var(--c-muted); margin: 6px 0; font-size: 14.5px;
    }
    .scene-body li::before {
      content: ""; position: absolute; left: 0; top: 10px; width: 7px; height: 7px; border-radius: 50%;
      background: var(--c-accent);
    }
    .product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
    .product-card { overflow: hidden; display: flex; flex-direction: column; }
    .product-card img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
    .product-card .body { padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
    .product-card.recommend { border: 2px solid var(--c-primary); position: relative; }
    .flag {
      position: absolute; top: 14px; right: 14px; background: var(--c-primary); color: #fff;
      font-size: 12px; padding: 4px 10px; border-radius: 999px; font-weight: 700;
    }
    .check-list li {
      padding-left: 18px; position: relative; color: var(--c-muted); font-size: 14.5px; margin: 6px 0;
    }
    .check-list li::before { content: "＋"; position: absolute; left: 0; color: var(--c-primary); font-weight: 700; }
    .bound { font-size: 13px; color: var(--c-warn); background: #FBF3EE; border-radius: 8px; padding: 8px 10px; }
    .steps {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-bottom: 40px;
    }
    .step {
      background: #fff; border: 1px solid var(--c-border); border-radius: 14px; padding: 22px 18px;
      box-shadow: var(--shadow); position: relative;
    }
    .step-num {
      width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center;
      background: var(--c-primary); color: #fff; font-weight: 700; margin-bottom: 12px;
      font-variant-numeric: tabular-nums;
    }
    .report-stage {
      display: grid; grid-template-columns: 220px 1fr; gap: 24px; align-items: start;
      background: #fff; border: 1px solid var(--c-border); border-radius: 16px; padding: 18px;
      box-shadow: var(--shadow);
    }
    .tab-btn {
      width: 100%; text-align: left; border: 1px solid transparent; background: transparent;
      border-radius: 10px; padding: 12px 12px; min-height: 48px; color: var(--c-muted); font-weight: 600;
    }
    .tab-btn.is-on, .tab-btn:hover { background: var(--c-soft); color: var(--c-primary); border-color: #CDE0F1; }
    .stage-view {
      border-radius: 12px; overflow: hidden; border: 1px solid var(--c-border);
      background:
        repeating-linear-gradient(90deg, rgba(30,111,186,.015), rgba(30,111,186,.015) 12px, transparent 13px);
    }
    .stage-view img { width: 100%; aspect-ratio: 16/9; object-fit: cover; display: none; }
    .stage-view img.is-on { display: block; }
    .principle {
      background: #14324A; color: var(--c-dark-text); padding: 96px 0; position: relative; overflow: hidden;
    }
    .principle::before {
      content: ""; position: absolute; inset: 0; opacity: .07; pointer-events: none;
      background-image: var(--helix); background-size: 220px 220px;
    }
    .principle-grid { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
    .principle h2 { color: #fff; font-size: 32px; }
    .idea { border-left: 3px solid var(--c-accent); padding: 8px 0 8px 16px; margin: 0 0 16px; }
    .idea h3 { color: #fff; font-size: 17px; margin-bottom: 4px; }
    .idea p { color: #C9D7E4; font-size: 14.5px; }
    .case-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
    .case-card { overflow: hidden; }
    .case-card img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
    .case-card .body { padding: 22px; }
    .meta-row { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0 12px; }
    .tag {
      font-size: 12px; padding: 3px 8px; border-radius: 999px; background: var(--c-soft); color: var(--c-primary); font-weight: 600;
    }
    .price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .price-card { padding: 28px 24px; display: flex; flex-direction: column; }
    .price-card.recommend { border: 2px solid var(--c-primary); }
    .price {
      font-size: 36px; font-weight: 700; color: var(--c-warn); letter-spacing: -0.03em;
      font-variant-numeric: tabular-nums; margin: 8px 0 4px;
    }
    .price small { font-size: 14px; color: var(--c-muted); font-weight: 500; }
    .price-card ul { margin: 14px 0 18px; }
    .price-card li { color: var(--c-muted); font-size: 14.5px; padding: 6px 0 6px 18px; position: relative; border-bottom: 1px dashed #E6EEF5; }
    .price-card li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--c-primary); position: absolute; left: 0; top: 14px; }
    .story-grid {
      display: grid; grid-template-columns: 1.4fr .8fr; gap: 22px;
    }
    .story-side { display: grid; gap: 22px; }
    .story-card { overflow: hidden; }
    .story-featured { display: grid; grid-template-columns: 1fr 1.1fr; }
    .story-featured img, .story-card img { width: 100%; height: 100%; object-fit: cover; min-height: 180px; }
    .story-card .body, .story-featured .body { padding: 22px; }
    .who { font-size: 13px; color: var(--c-primary); font-weight: 700; margin-bottom: 8px; }
    .stats {
      background: #E7F1F9; padding: 56px 0; border-block: 1px solid var(--c-border);
    }
    .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; text-align: center; }
    .stat-num {
      font-size: 40px; font-weight: 700; color: var(--c-primary); letter-spacing: -0.03em;
      font-variant-numeric: tabular-nums; line-height: 1.1;
    }
    .review-grid {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
    }
    .review-card { padding: 20px 20px 18px; }
    .stars { color: #D89A3A; letter-spacing: 2px; font-size: 14px; margin-bottom: 8px; }
    .review-card p { color: var(--c-muted); font-size: 14.5px; }
    .reviewer { margin-top: 12px; font-size: 13px; font-weight: 700; }
    .voice-wrap {
      display: grid; grid-template-columns: 1fr; gap: 22px;
    }
    .quote-bar {
      background: #fff; border: 1px solid var(--c-border); border-left: 6px solid var(--c-primary);
      border-radius: 14px; box-shadow: var(--shadow); padding: 28px 32px; position: relative;
    }
    .quote-bar::before {
      content: "“"; position: absolute; top: 6px; left: 16px; font-size: 64px; color: rgba(30,111,186,.18); line-height: 1;
    }
    .quote-bar p { font-size: 17px; color: var(--c-text); }
    .type-wall { display: flex; flex-wrap: wrap; gap: 10px; }
    .type-chip {
      min-height: 44px; display: inline-flex; align-items: center;
      padding: 8px 14px; border-radius: 999px; background: #fff; border: 1px solid var(--c-border);
      box-shadow: var(--shadow); font-size: 13px; font-weight: 600; color: var(--c-text);
    }
    .news-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 22px; }
    .news-main, .news-item {
      background: #fff; border: 1px solid var(--c-border); border-radius: 14px; overflow: hidden; box-shadow: var(--shadow);
    }
    .news-main img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
    .news-main .body, .news-item { padding: 0; }
    .news-main .text { padding: 20px 22px 22px; }
    .news-side { display: grid; gap: 16px; }
    .news-item { display: grid; grid-template-columns: 148px 1fr; min-height: 118px; }
    .news-item img { width: 148px; height: 100%; object-fit: cover; }
    .news-item .text { padding: 14px 16px; }
    .news-item h3, .news-main h3 {
      font-size: 18px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    }
    .news-item p, .news-main p {
      color: var(--c-muted); font-size: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    }
    .date { font-size: 12px; color: var(--c-accent); font-weight: 700; margin-bottom: 6px; }
    .faq-list { display: grid; gap: 10px; max-width: 920px; }
    .faq-item {
      background: #fff; border: 1px solid var(--c-border); border-radius: 12px; box-shadow: var(--shadow); overflow: hidden;
    }
    .faq-item summary {
      list-style: none; cursor: pointer; min-height: 52px; display: flex; align-items: center; justify-content: space-between;
      gap: 12px; padding: 14px 18px; font-weight: 700;
    }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item .ans {
      background: #F7FBFE; color: var(--c-muted); padding: 0 18px 16px; font-size: 14.5px;
      max-height: 0; overflow: hidden; transition: max-height 200ms ease, padding 200ms ease;
    }
    .faq-item[open] .ans { max-height: 240px; padding-top: 0; }
    .faq-item summary::after { content: "+"; color: var(--c-primary); font-size: 20px; }
    .faq-item[open] summary::after { content: "–"; }
    .consult {
      background: linear-gradient(90deg, #1E6FBA 0 12px, #EAF3FA 12px 100%);
      padding: 88px 0;
    }
    .consult-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 36px; align-items: start; }
    .consult-copy h2 { color: var(--c-text); }
    .reason { margin-top: 18px; display: grid; gap: 12px; }
    .reason li {
      background: #fff; border: 1px solid var(--c-border); border-radius: 12px; padding: 12px 14px;
      box-shadow: var(--shadow);
    }
    .form-card { background: #fff; border: 1px solid var(--c-border); border-radius: 16px; padding: 24px; box-shadow: var(--shadow-hover); }
    .field { margin-bottom: 14px; }
    .field label { display: block; font-size: 13px; font-weight: 700; margin-bottom: 6px; }
    .field input, .field select, .field textarea {
      width: 100%; border: 1px solid var(--c-border); border-radius: var(--radius-input);
      padding: 11px 12px; min-height: 44px; background: #fff; color: var(--c-text);
      transition: border-color var(--ease), box-shadow var(--ease);
    }
    .field textarea { min-height: 96px; resize: vertical; }
    .field input:hover, .field select:hover, .field textarea:hover { border-color: #B9CDE0; }
    .field input:focus, .field select:focus, .field textarea:focus {
      border-color: var(--c-primary); box-shadow: 0 0 0 4px rgba(30,111,186,.12); outline: none;
    }
    .field.is-error input, .field.is-error select, .field.is-error textarea { border-color: #C0562A; }
    .err { color: #C0562A; font-size: 12px; margin-top: 4px; }
    .form-success {
      background: #E8F6F2; color: var(--c-success); border: 1px solid #BFE4DA;
      border-radius: 12px; padding: 16px 18px; font-weight: 600;
    }
    .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .site-footer {
      background: #fff; border-top: 1px solid var(--c-border); padding: 56px 0 0; color: var(--c-muted);
    }
    .foot-grid { display: grid; grid-template-columns: 1.3fr .8fr .8fr 1fr; gap: 28px; padding-bottom: 36px; }
    .foot-brand { color: var(--c-text); font-weight: 700; font-size: 18px; margin-bottom: 10px; display: flex; gap: 8px; align-items: center; }
    .foot-grid a { color: var(--c-muted); display: inline-block; min-height: 32px; }
    .foot-grid a:hover { color: var(--c-primary); }
    .foot-grid h3 { font-size: 15px; margin-bottom: 10px; }
    .legal {
      border-top: 1px solid var(--c-border); padding: 16px 0 20px;
      display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 13px;
    }
    .foot-cta {
      background: var(--c-soft); border-top: 1px solid var(--c-border);
      padding: 14px 0; display: flex; align-items: center; justify-content: space-between; gap: 12px;
    }
    .dna-deco {
      position: absolute; right: -40px; top: 40px; width: 180px; height: 180px; opacity: .07; pointer-events: none;
      background-image: var(--helix);
    }
    @media (max-width: 1280px) {
      h1, .hero-title { font-size: 40px; }
      .hero-grid, .hero-slide, .hero-viewport { min-height: 600px; }
    }
    @media (max-width: 1024px) {
      .nav-list { display: none; }
      .nav-toggle { display: inline-block; }
      .nav-list.open {
        display: flex; flex-direction: column; align-items: stretch;
        position: absolute; left: 0; right: 0; top: 100%;
        background: #fff; border-bottom: 1px solid var(--c-border);
        padding: 8px 20px 18px; box-shadow: var(--shadow-hover); z-index: 40;
      }
      .nav-list.open a { min-height: 44px; width: 100%; }
      .hero-grid, .split, .split.reverse, .principle-grid, .story-grid, .consult-grid, .news-layout, .report-stage, .case-grid {
        grid-template-columns: 1fr;
      }
      .split.reverse .split-media { order: 0; }
      .hero-visual { justify-items: start; }
      .feature-grid, .product-grid, .price-grid, .stats-grid, .review-grid, .steps, .foot-grid {
        grid-template-columns: 1fr 1fr;
      }
      .scene-row { grid-template-columns: 220px 1fr; }
      .story-featured { grid-template-columns: 1fr; }
      h1, .hero-title { font-size: 34px; }
      .section { padding: 80px 0; }
    }
    @media (max-width: 768px) {
      .container, .topbar { width: min(var(--container), calc(100% - 32px)); }
      .topbar { justify-content: flex-start; }
      .topbar-mid { display: none; }
      .hero-actions { flex-direction: column; }
      .hero-actions .btn { width: 100%; }
      .hero-grid { padding: 36px 0 80px; min-height: 0; }
      .hero-slide, .hero-viewport { min-height: 0; }
      .feature-grid, .product-grid, .price-grid, .review-grid, .steps, .foot-grid, .form-row {
        grid-template-columns: 1fr;
      }
      .stats-grid { grid-template-columns: 1fr 1fr; }
      .scene-row { grid-template-columns: 1fr; }
      .scene-row img { min-height: 180px; aspect-ratio: 16/10; }
      .news-item { grid-template-columns: 1fr; }
      .news-item img { width: 100%; height: 160px; }
      h1, .hero-title { font-size: 32px; }
      h2 { font-size: 26px; }
      .section { padding: 64px 0; }
      .consult { background: #EAF3FA; }
      .legal, .foot-cta { flex-direction: column; align-items: flex-start; }
    }
    @media (max-width: 520px) {
      .mainnav { min-height: 68px; }
      .logo span { max-width: 150px; }
      .stat-num { font-size: 30px; }
      .price { font-size: 30px; }
      .module-board, .report-shot { width: 100%; }
    }
    @media (max-width: 375px) {
      .container, .topbar { width: calc(100% - 28px); }
      h1, .hero-title { font-size: 28px; }
      .badge { display: none; }
    }