/* roulang page: index */
:root {
      --c-teal: #1B9A8A;
      --c-pine: #0E5C55;
      --c-copper: #C4A574;
      --c-mint: #D7F1EC;
      --c-mint-2: #E8F6F2;
      --c-aqua: #3ECFB8;
      --c-deep-a: #12352F;
      --c-deep-b: #1A4A43;
      --c-bg: #F3F6F4;
      --c-card: #FFFFFF;
      --c-text: #1A2B28;
      --c-muted: #5C6F6B;
      --c-line: #D8E4E0;
      --c-danger: #C45C4A;
      --grad-a: linear-gradient(135deg, #0E5C55 0%, #1B9A8A 52%, #3ECFB8 100%);
      --grad-b: linear-gradient(160deg, #12352F 0%, #1A4A43 100%);
      --grad-soft: linear-gradient(180deg, #E8F6F2 0%, #F3F6F4 100%);
      --radius-card: 24px;
      --radius-lg: 28px;
      --radius-xl: 32px;
      --radius-btn: 999px;
      --radius-input: 12px;
      --radius-badge: 999px;
      --shadow: 0 8px 28px rgba(14, 92, 85, 0.08);
      --shadow-hover: 0 14px 36px rgba(14, 92, 85, 0.14);
      --shadow-nav: 0 6px 20px rgba(14, 92, 85, 0.08);
      --container: 1220px;
      --space-section: 104px;
      --space-section-m: 56px;
      --nav-h: 72px;
      --topbar-h: 38px;
      --font: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
      --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
    html, body { margin: 0; padding: 0; }
    body {
      font-family: var(--font);
      font-size: 16px;
      font-weight: 400;
      line-height: 1.75;
      color: var(--c-text);
      background: var(--c-bg);
      overflow-x: hidden;
    }
    img { max-width: 100%; height: auto; display: block; border: 0; }
    a { color: var(--c-pine); text-decoration: none; transition: color 0.2s var(--ease); }
    a:hover { color: var(--c-teal); }
    button, input, select, textarea { font-family: inherit; font-size: inherit; }
    button { cursor: pointer; border: 0; background: none; }
    ul, ol { margin: 0; padding: 0; list-style: none; }
    h1, h2, h3, h4, p { margin: 0; }
    h1, h2, h3, h4 { font-weight: 700; line-height: 1.28; letter-spacing: 0.01em; color: var(--c-text); }
    h1 { font-size: 46px; }
    h2 { font-size: 32px; }
    h3 { font-size: 21px; }
    p { color: var(--c-muted); }
    table { border-collapse: collapse; }
    :focus { outline: none; }
    :focus-visible { outline: 2px solid var(--c-copper); outline-offset: 3px; }
    .skip-link {
      position: absolute; left: 12px; top: -48px; z-index: 200;
      background: var(--c-pine); color: #fff; padding: 8px 14px; border-radius: 10px;
    }
    .skip-link:focus { top: 12px; }
    .container { width: min(100% - 40px, var(--container)); margin: 0 auto; }
    .tabular { font-variant-numeric: tabular-nums; font-feature-settings: "tnum" 1; }
    .site-header {
      position: relative; z-index: 80;
    }
    .topbar {
      height: var(--topbar-h);
      background: var(--c-pine);
      color: #e7f6f2;
      font-size: 13px;
      display: flex; align-items: center;
    }
    .topbar-inner {
      width: min(100% - 40px, var(--container));
      margin: 0 auto;
      display: flex; align-items: center; justify-content: space-between; gap: 16px;
    }
    .topbar-left, .topbar-right { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
    .topbar a { color: #e7f6f2; }
    .topbar a:hover { color: #fff; }
    .topbar svg { width: 14px; height: 14px; vertical-align: -2px; margin-right: 4px; }
    .badge {
      display: inline-flex; align-items: center; gap: 4px;
      height: 24px; padding: 0 10px;
      border-radius: var(--radius-badge);
      background: var(--c-mint); color: var(--c-pine);
      font-size: 12px; font-weight: 600; line-height: 1;
      border: 1px solid rgba(196, 165, 116, 0.45);
      white-space: nowrap;
    }
    .badge-dark {
      background: var(--c-pine); color: #fff; border-color: rgba(196, 165, 116, 0.55);
    }
    .badge-copper {
      background: rgba(196, 165, 116, 0.16); color: #7a5c32; border-color: rgba(196, 165, 116, 0.5);
    }
    .nav-main {
      height: var(--nav-h);
      background: rgba(243, 246, 244, 0.92);
      backdrop-filter: blur(14px);
      border-bottom: 1px solid transparent;
      transition: box-shadow 0.25s var(--ease), background 0.25s var(--ease);
    }
    .site-header.is-stuck .topbar { display: none; }
    .site-header.is-stuck .nav-main {
      position: fixed; left: 0; right: 0; top: 0;
      box-shadow: var(--shadow-nav);
      border-bottom-color: var(--c-line);
      background: rgba(255, 255, 255, 0.94);
    }
    .nav-inner {
      width: min(100% - 40px, var(--container));
      margin: 0 auto; height: 100%;
      display: flex; align-items: center; gap: 20px;
    }
    .logo {
      display: flex; align-items: center; gap: 10px;
      color: var(--c-pine); font-weight: 700; font-size: 18px; flex-shrink: 0;
    }
    .logo-mark {
      width: 36px; height: 36px; border-radius: 12px;
      background: var(--grad-a); display: grid; place-items: center;
      box-shadow: 0 6px 14px rgba(27, 154, 138, 0.28);
    }
    .logo-mark svg { width: 20px; height: 20px; }
    .nav-links {
      display: flex; align-items: center; gap: 4px; margin-left: auto;
    }
    .nav-links a {
      position: relative; color: var(--c-text); font-size: 15px; font-weight: 500;
      padding: 8px 12px; border-radius: 10px; min-height: 44px;
      display: inline-flex; align-items: center;
    }
    .nav-links a:hover { color: var(--c-pine); background: var(--c-mint); }
    .nav-links a.is-active { color: var(--c-pine); }
    .nav-links a.is-active::after {
      content: ""; position: absolute; left: 12px; right: 12px; bottom: 6px;
      height: 2px; background: var(--c-teal); border-radius: 2px;
    }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 44px; padding: 0 22px;
      border-radius: var(--radius-btn); font-weight: 600; font-size: 15px;
      border: 1px solid transparent; transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), filter 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease);
      cursor: pointer; text-align: center; line-height: 1.2;
    }
    .btn:hover { transform: translateY(-2px); filter: brightness(1.05); }
    .btn:active { transform: translateY(0); filter: brightness(0.97); }
    .btn-primary {
      background: var(--grad-a); color: #fff;
      box-shadow: 0 8px 18px rgba(14, 92, 85, 0.22);
    }
    .btn-primary:hover { color: #fff; }
    .btn-ghost {
      background: #fff; color: var(--c-pine); border-color: var(--c-teal);
    }
    .btn-ghost:hover { background: var(--c-mint); color: var(--c-pine); }
    .btn-light {
      background: rgba(255,255,255,0.12); color: #fff; border-color: rgba(255,255,255,0.35);
    }
    .btn-light:hover { background: rgba(255,255,255,0.22); color: #fff; }
    .nav-cta { margin-left: 8px; flex-shrink: 0; }
    .nav-toggle {
      display: none; width: 44px; height: 44px; margin-left: auto;
      border-radius: 12px; border: 1px solid var(--c-line); background: #fff;
      align-items: center; justify-content: center; flex-direction: column; gap: 5px;
    }
    .nav-toggle span {
      display: block; width: 18px; height: 2px; background: var(--c-pine); border-radius: 2px;
      transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
    }
    .nav-toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .nav-toggle.is-open span:nth-child(2) { opacity: 0; }
    .nav-toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
    .drawer-mask {
      position: fixed; inset: 0; background: rgba(18, 53, 47, 0.42);
      opacity: 0; pointer-events: none; transition: opacity 0.25s var(--ease); z-index: 90;
    }
    .drawer-mask.is-open { opacity: 1; pointer-events: auto; }
    .drawer {
      position: fixed; top: 0; right: 0; bottom: 0; width: min(86vw, 360px);
      background: #fff; z-index: 100; transform: translateX(100%);
      transition: transform 0.28s var(--ease);
      box-shadow: -12px 0 32px rgba(14, 92, 85, 0.12);
      display: flex; flex-direction: column; padding: 22px 22px 28px;
    }
    .drawer.is-open { transform: translateX(0); }
    .drawer-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
    .drawer nav { display: flex; flex-direction: column; gap: 4px; }
    .drawer nav a {
      min-height: 48px; display: flex; align-items: center;
      padding: 0 12px; border-radius: 12px; color: var(--c-text); font-weight: 600;
    }
    .drawer nav a:hover, .drawer nav a.is-active { background: var(--c-mint); color: var(--c-pine); }
    .drawer-phone { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--c-line); color: var(--c-muted); font-size: 14px; }
    .drawer-phone a { color: var(--c-pine); font-weight: 700; display: block; margin: 6px 0 14px; font-size: 18px; }
    .hero {
      position: relative; min-height: 680px; color: #fff; overflow: hidden;
      isolation: isolate;
    }
    .hero-slides { position: absolute; inset: 0; z-index: 0; }
    .hero-slide {
      position: absolute; inset: 0; background-size: cover; background-position: center;
      opacity: 0; transform: scale(1.04); transition: opacity 0.8s var(--ease), transform 6s linear;
    }
    .hero-slide.is-active { opacity: 1; transform: scale(1); }
    .hero-mask {
      position: absolute; inset: 0; z-index: 1;
      background:
        linear-gradient(90deg, rgba(14, 92, 85, 0.88) 0%, rgba(18, 53, 47, 0.62) 48%, rgba(18, 53, 47, 0.28) 100%),
        linear-gradient(180deg, rgba(14, 92, 85, 0.18) 0%, rgba(18, 53, 47, 0.45) 100%);
    }
    .hero-grid {
      position: relative; z-index: 2;
      min-height: 680px;
      display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px;
      align-items: center; padding: 56px 0 88px;
    }
    .brand-kicker {
      display: inline-flex; align-items: center; gap: 8px;
      color: var(--c-copper); font-weight: 700; font-size: 14px; letter-spacing: 0.08em;
      margin-bottom: 14px;
    }
    .brand-kicker::before {
      content: ""; width: 18px; height: 2px; background: var(--c-copper); border-radius: 2px;
    }
    .hero h1 { color: #fff; max-width: 16em; margin-bottom: 18px; }
    .hero-lead {
      color: rgba(255,255,255,0.88); max-width: 38em; font-size: 16px; margin-bottom: 26px;
    }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; }
    .hero-shortcuts {
      display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
      background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.18);
      backdrop-filter: blur(10px); border-radius: var(--radius-lg); padding: 16px;
    }
    .shortcut {
      display: flex; flex-direction: column; gap: 6px; min-height: 92px;
      background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.12);
      border-radius: 18px; padding: 14px 14px 12px; color: #fff;
      transition: transform 0.2s var(--ease), background 0.2s var(--ease);
    }
    .shortcut:hover { transform: translateY(-3px); background: rgba(255,255,255,0.2); color: #fff; }
    .shortcut strong { font-size: 15px; }
    .shortcut span { font-size: 13px; color: rgba(255,255,255,0.78); line-height: 1.5; }
    .shortcut i {
      width: 28px; height: 28px; border-radius: 9px; background: rgba(62, 207, 184, 0.22);
      display: grid; place-items: center; color: var(--c-aqua);
    }
    .hero-controls {
      position: absolute; z-index: 3; left: 0; right: 0; bottom: 22px;
      width: min(100% - 40px, var(--container)); margin: 0 auto;
      display: flex; align-items: center; gap: 10px;
    }
    .hero-btn {
      width: 44px; height: 44px; border-radius: 50%;
      background: rgba(255,255,255,0.14); border: 1px solid rgba(255,255,255,0.28); color: #fff;
      display: grid; place-items: center;
    }
    .hero-btn:hover { background: rgba(255,255,255,0.28); }
    .hero-dots { display: flex; gap: 8px; margin-left: 8px; }
    .hero-dots button {
      width: 28px; height: 8px; border-radius: 999px; background: rgba(255,255,255,0.35);
    }
    .hero-dots button.is-active { background: var(--c-aqua); width: 36px; }
    main { display: block; }
    .section { padding: var(--space-section) 0; position: relative; }
    .section-head { max-width: 42em; margin-bottom: 36px; }
    .section-head.wide { max-width: 52em; }
    .kicker {
      display: inline-flex; align-items: center; gap: 8px;
      color: var(--c-teal); font-size: 13px; font-weight: 700; letter-spacing: 0.06em;
      margin-bottom: 10px;
    }
    .kicker::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--c-copper); }
    .section-head p { margin-top: 12px; }
    .section-mint { background: var(--c-mint-2); }
    .section-white { background: #fff; }
    .section-plain { background: var(--c-bg); }
    .compare {
      display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: stretch;
    }
    .compare-col {
      background: var(--c-card); border-radius: var(--radius-card); padding: 28px 28px 22px;
      box-shadow: var(--shadow); border: 1px solid var(--c-line);
    }
    .compare-col.after {
      background: linear-gradient(180deg, #ffffff 0%, #e8f6f2 100%);
      border-color: rgba(27, 154, 138, 0.28);
    }
    .compare-col h3 { margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
    .compare-list li {
      position: relative; padding: 12px 0 12px 28px;
      border-bottom: 1px dashed var(--c-line); color: var(--c-text); font-size: 15px;
    }
    .compare-list li:last-child { border-bottom: 0; }
    .compare-list.bad li::before {
      content: ""; position: absolute; left: 0; top: 18px; width: 12px; height: 12px;
      border-radius: 3px; background: #edddd9; box-shadow: inset 0 0 0 2px var(--c-danger);
    }
    .compare-list.good li::before {
      content: ""; position: absolute; left: 0; top: 18px; width: 12px; height: 12px;
      border-radius: 50%; background: var(--c-teal);
    }
    .compare-visual {
      margin-top: 28px; border-radius: var(--radius-lg); overflow: hidden;
      box-shadow: var(--shadow); max-height: 360px;
    }
    .compare-visual img { width: 100%; height: 360px; object-fit: cover; }
    .split {
      display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center;
    }
    .media-frame {
      border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow);
      position: relative;
    }
    .media-frame img { width: 100%; height: 460px; object-fit: cover; }
    .media-chip {
      position: absolute; left: 16px; top: 16px;
    }
    .spec-table {
      width: 100%; margin-top: 22px; background: #fff; border-radius: 18px; overflow: hidden;
      border: 1px solid var(--c-line);
    }
    .spec-table th, .spec-table td {
      text-align: left; padding: 12px 16px; font-size: 14px;
      border-bottom: 1px solid var(--c-line);
    }
    .spec-table th { width: 38%; color: var(--c-muted); font-weight: 500; background: var(--c-mint-2); }
    .spec-table td { color: var(--c-text); font-weight: 600; font-variant-numeric: tabular-nums; }
    .spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: 0; }
    .timeline {
      display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; position: relative;
    }
    .timeline::before {
      content: ""; position: absolute; left: 6%; right: 6%; top: 28px; height: 2px;
      background: linear-gradient(90deg, var(--c-mint), var(--c-teal), var(--c-copper));
    }
    .step {
      background: #fff; border-radius: var(--radius-card); padding: 22px 18px 20px;
      box-shadow: var(--shadow); border: 1px solid var(--c-line); position: relative;
      transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
    }
    .step:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
    .step-num {
      width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center;
      background: var(--grad-a); color: #fff; font-weight: 700; font-size: 14px;
      margin-bottom: 14px; position: relative; z-index: 1;
      font-variant-numeric: tabular-nums;
    }
    .step h3 { font-size: 17px; margin-bottom: 8px; }
    .step p { font-size: 14px; }
    .cards-6 {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
    }
    .adv-card {
      background: #fff; border-radius: var(--radius-card); padding: 26px 24px 22px;
      box-shadow: var(--shadow); border: 1px solid var(--c-line);
      transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
      position: relative; overflow: hidden;
    }
    .adv-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
    .adv-card::after {
      content: ""; position: absolute; right: -24px; top: -24px; width: 90px; height: 90px;
      border: 1px solid rgba(27, 154, 138, 0.12); border-radius: 24px; transform: rotate(18deg);
      pointer-events: none;
    }
    .adv-icon {
      width: 46px; height: 46px; border-radius: 16px; display: grid; place-items: center;
      background: var(--c-mint); color: var(--c-pine); margin-bottom: 14px;
    }
    .adv-card h3 { margin: 10px 0 8px; font-size: 19px; }
    .adv-card p { font-size: 14.5px; }
    .products {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
    }
    .product-card {
      background: #fff; border-radius: var(--radius-lg); overflow: hidden;
      box-shadow: var(--shadow); border: 1px solid var(--c-line);
      display: flex; flex-direction: column;
      transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
    }
    .product-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); }
    .product-card img { width: 100%; height: 220px; object-fit: cover; }
    .product-body { padding: 22px 22px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
    .product-body h3 { font-size: 20px; }
    .param-list li {
      font-size: 14px; color: var(--c-muted); padding: 6px 0;
      border-bottom: 1px solid var(--c-line);
      display: flex; justify-content: space-between; gap: 12px;
    }
    .param-list li b { color: var(--c-text); font-weight: 600; font-variant-numeric: tabular-nums; }
    .product-cta { margin-top: auto; padding-top: 8px; }
    .cases {
      padding: 0; position: relative; color: #fff; overflow: hidden;
    }
    .cases-bg {
      position: absolute; inset: 0;
      background-size: cover; background-position: center;
      transform: scale(1.04);
    }
    .cases-mask {
      position: absolute; inset: 0;
      background: linear-gradient(120deg, rgba(18, 53, 47, 0.94) 0%, rgba(26, 74, 67, 0.82) 55%, rgba(18, 53, 47, 0.7) 100%);
    }
    .cases-inner { position: relative; z-index: 1; padding: 96px 0; }
    .cases h2, .quote { color: #fff; }
    .quote {
      font-size: 26px; font-weight: 700; line-height: 1.45; max-width: 18em; margin: 12px 0 28px;
    }
    .case-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .case-slice {
      background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.14);
      border-radius: 22px; padding: 22px; min-height: 180px;
    }
    .case-slice h3 { color: #fff; font-size: 18px; margin-bottom: 8px; }
    .case-slice p { color: rgba(255,255,255,0.8); font-size: 14.5px; }
    .stories {
      display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 20px;
    }
    .story-main, .story-side article {
      background: #fff; border-radius: var(--radius-card); overflow: hidden;
      box-shadow: var(--shadow); border: 1px solid var(--c-line);
    }
    .story-main img { width: 100%; height: 280px; object-fit: cover; }
    .story-main .txt, .story-side .txt { padding: 22px; }
    .story-side { display: flex; flex-direction: column; gap: 20px; }
    .story-side img { width: 100%; height: 120px; object-fit: cover; }
    .story-main h3 { margin-bottom: 8px; }
    .results {
      background: var(--grad-a); color: #fff; padding: 48px 0;
    }
    .results-grid {
      display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; text-align: center;
    }
    .stat .num {
      font-size: 40px; font-weight: 700; line-height: 1.1;
      font-variant-numeric: tabular-nums; color: #fff;
    }
    .stat .unit { font-size: 16px; margin-left: 2px; }
    .stat .label { display: block; margin-top: 6px; font-size: 13px; color: rgba(255,255,255,0.86); }
    .audience {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
    }
    .aud-item {
      display: grid; grid-template-columns: 92px 1fr; gap: 14px; align-items: center;
      background: #fff; border-radius: 22px; padding: 14px; border: 1px solid var(--c-line);
      box-shadow: var(--shadow); min-height: 118px;
      transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
    }
    .aud-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
    .aud-item img { width: 92px; height: 92px; object-fit: cover; border-radius: 16px; }
    .aud-item h3 { font-size: 17px; margin-bottom: 4px; }
    .aud-item p { font-size: 13.5px; }
    .tabs { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 22px; }
    .tab-btn {
      min-height: 44px; padding: 0 18px; border-radius: var(--radius-btn);
      background: #fff; border: 1px solid var(--c-line); color: var(--c-muted); font-weight: 600;
    }
    .tab-btn.is-active, .tab-btn:hover { background: var(--c-pine); color: #fff; border-color: var(--c-pine); }
    .tab-panel { display: none; }
    .tab-panel.is-active { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 28px; align-items: center; }
    .tab-panel img { width: 100%; height: 320px; object-fit: cover; border-radius: var(--radius-lg); }
    .quotes {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
    }
    .t-card {
      background: #fff; border-radius: var(--radius-card); padding: 22px 20px;
      box-shadow: var(--shadow); border: 1px solid var(--c-line);
    }
    .stars { color: var(--c-copper); letter-spacing: 2px; font-size: 14px; margin-bottom: 8px; }
    .t-card p { font-size: 14.5px; color: var(--c-text); margin-bottom: 14px; }
    .t-card .who { font-size: 13px; color: var(--c-muted); }
    .t-card .who b { display: block; color: var(--c-pine); font-size: 14px; }
    .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .news-card {
      background: #fff; border-radius: var(--radius-card); overflow: hidden;
      box-shadow: var(--shadow); border: 1px solid var(--c-line);
      display: flex; flex-direction: column;
      transition: transform 0.2s var(--ease);
    }
    .news-card:hover { transform: translateY(-5px); }
    .news-card img { width: 100%; height: 180px; object-fit: cover; }
    .news-card .txt { padding: 18px 18px 20px; }
    .news-card h3 { font-size: 18px; margin-bottom: 8px; }
    .news-card p { font-size: 14px; }
    .metrics-wall {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
    }
    .metric {
      background: #fff; border-radius: 20px; padding: 20px 18px;
      border: 1px solid var(--c-line); box-shadow: var(--shadow);
    }
    .metric .val {
      font-size: 28px; font-weight: 700; color: var(--c-pine);
      font-variant-numeric: tabular-nums; margin: 8px 0 6px;
    }
    .metric p { font-size: 13.5px; }
    .faq-list { display: flex; flex-direction: column; gap: 10px; }
    .faq-item {
      background: #fff; border: 1px solid var(--c-line); border-radius: 18px; overflow: hidden;
      box-shadow: var(--shadow);
    }
    .faq-item button {
      width: 100%; text-align: left; min-height: 56px; padding: 14px 52px 14px 20px;
      font-weight: 700; color: var(--c-text); position: relative; background: #fff;
    }
    .faq-item button::after {
      content: ""; position: absolute; right: 20px; top: 50%; width: 10px; height: 10px;
      border-right: 2px solid var(--c-teal); border-bottom: 2px solid var(--c-teal);
      transform: translateY(-70%) rotate(45deg); transition: transform 0.2s var(--ease);
    }
    .faq-item.is-open button::after { transform: translateY(-20%) rotate(225deg); }
    .faq-item .faq-a {
      max-height: 0; overflow: hidden; transition: max-height 0.28s var(--ease);
      padding: 0 20px; color: var(--c-muted); font-size: 15px;
    }
    .faq-item.is-open .faq-a { max-height: 240px; padding-bottom: 16px; }
    .contact {
      background: var(--grad-b); color: #fff; padding: 88px 0;
    }
    .contact-grid {
      display: grid; grid-template-columns: 0.92fr 1.08fr; gap: 32px; align-items: stretch;
    }
    .paper {
      background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.14);
      border-radius: var(--radius-lg); overflow: hidden; display: flex; flex-direction: column;
    }
    .paper img { width: 100%; height: 220px; object-fit: cover; }
    .paper .txt { padding: 22px; }
    .paper h2, .contact h2 { color: #fff; }
    .paper p, .paper li { color: rgba(255,255,255,0.82); font-size: 14.5px; }
    .paper ul { margin: 12px 0; }
    .paper li { padding: 4px 0 4px 16px; position: relative; }
    .paper li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--c-copper); position: absolute; left: 0; top: 11px; }
    .form-box {
      background: #fff; border-radius: var(--radius-lg); padding: 28px 26px;
      color: var(--c-text); box-shadow: var(--shadow-hover);
    }
    .form-box h3 { margin-bottom: 6px; }
    .form-box .hint { font-size: 14px; margin-bottom: 16px; }
    .form-row { margin-bottom: 14px; }
    label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--c-text); }
    .req { color: var(--c-danger); margin-left: 2px; }
    input[type="text"], input[type="tel"], select, textarea {
      width: 100%; min-height: 46px; border-radius: var(--radius-input);
      border: 1px solid var(--c-line); padding: 10px 12px; background: #fbfdfc;
      color: var(--c-text); transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
    }
    input:focus, select:focus, textarea:focus {
      border-color: var(--c-teal); box-shadow: 0 0 0 3px rgba(27, 154, 138, 0.16); background: #fff;
    }
    .is-invalid { border-color: var(--c-danger) !important; }
    .error-text { color: var(--c-danger); font-size: 12px; min-height: 16px; margin-top: 4px; }
    .form-success {
      display: none; background: var(--c-mint); border-radius: 16px; padding: 28px 18px; text-align: center;
      color: var(--c-pine); font-weight: 600;
    }
    .form-success.is-show { display: block; }
    .notice {
      margin-top: 18px; font-size: 13px; color: rgba(255,255,255,0.72);
      border-top: 1px solid rgba(255,255,255,0.12); padding-top: 14px;
    }
    .site-footer {
      background: #0f2c28; color: rgba(255,255,255,0.78); padding: 56px 0 0; font-size: 14px;
    }
    .footer-grid {
      display: grid; grid-template-columns: 1.3fr 0.9fr 1fr; gap: 32px; padding-bottom: 36px;
    }
    .site-footer h3 { color: #fff; font-size: 16px; margin-bottom: 12px; }
    .site-footer .logo { color: #fff; margin-bottom: 12px; }
    .footer-links a, .footer-contact p { display: block; color: rgba(255,255,255,0.78); padding: 4px 0; }
    .footer-links a:hover { color: var(--c-aqua); }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.08);
      padding: 16px 0 22px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
      font-size: 13px; color: rgba(255,255,255,0.55);
    }
    .footer-bottom a { color: rgba(255,255,255,0.7); }
    @media (max-width: 1280px) {
      h1 { font-size: 42px; }
      .quotes { grid-template-columns: repeat(2, 1fr); }
      .results-grid { grid-template-columns: repeat(5, 1fr); }
    }
    @media (max-width: 1024px) {
      :root { --space-section: 80px; }
      h1 { font-size: 36px; }
      h2 { font-size: 28px; }
      .nav-links { display: none; }
      .nav-cta { display: none; }
      .nav-toggle { display: inline-flex; }
      .hero-grid { grid-template-columns: 1fr; gap: 28px; min-height: auto; padding: 40px 0 96px; }
      .hero { min-height: auto; }
      .hero-shortcuts { grid-template-columns: 1fr 1fr 1fr; }
      .compare, .split, .stories, .contact-grid, .tab-panel.is-active { grid-template-columns: 1fr; }
      .timeline { grid-template-columns: 1fr 1fr; }
      .timeline::before { display: none; }
      .cards-6, .products, .case-grid, .news-grid { grid-template-columns: 1fr 1fr; }
      .metrics-wall { grid-template-columns: 1fr 1fr; }
      .audience { grid-template-columns: 1fr 1fr; }
      .results-grid { grid-template-columns: repeat(3, 1fr); gap: 18px; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
      .media-frame img, .compare-visual img { height: 320px; }
    }
    @media (max-width: 768px) {
      :root { --space-section: 64px; }
      .container, .topbar-inner, .nav-inner, .hero-controls { width: min(100% - 28px, var(--container)); }
      .topbar-left span:nth-child(2), .topbar-left span:nth-child(3) { display: none; }
      h1 { font-size: 30px; }
      h2 { font-size: 24px; }
      .hero-shortcuts { grid-template-columns: 1fr 1fr; }
      .cards-6, .products, .case-grid, .news-grid, .quotes, .audience { grid-template-columns: 1fr; }
      .timeline { grid-template-columns: 1fr; }
      .results-grid { grid-template-columns: 1fr 1fr; }
      .aud-item { grid-template-columns: 76px 1fr; }
      .tab-panel img, .media-frame img, .story-main img { height: 220px; }
      .footer-grid { grid-template-columns: 1fr; }
      .section-head { margin-bottom: 24px; }
      .btn { width: auto; }
      .form-box .btn { width: 100%; }
    }
    @media (max-width: 520px) {
      h1 { font-size: 26px; }
      .hero-actions .btn { width: 100%; }
      .shortcut { min-height: 84px; }
      .stat .num { font-size: 32px; }
      .quote { font-size: 20px; }
      .results-grid { grid-template-columns: 1fr 1fr; }
      .metrics-wall { grid-template-columns: 1fr; }
    }