/* roulang page: index */
:root {
      --c-primary: #2E6BA6;
      --c-primary-deep: #1F4E79;
      --c-primary-soft: #E8F1F8;
      --c-warp: #E7E2D8;
      --c-weft: #D5E4EE;
      --c-iron: #243039;
      --c-oil: #3A4148;
      --c-copper: #A66A3C;
      --c-page: #F6F8FA;
      --c-card: #FFFFFF;
      --c-text: #1F2A32;
      --c-muted: #5B6770;
      --c-line: #D7DEE5;
      --c-danger: #9B3A2F;
      --radius-card: 12px;
      --radius-btn: 6px;
      --radius-input: 8px;
      --radius-badge: 4px;
      --shadow: 0 8px 24px rgba(31, 78, 121, .08);
      --shadow-hover: 0 14px 32px rgba(31, 78, 121, .14);
      --container: 1240px;
      --pad: 24px;
      --header-h: 72px;
      --topbar-h: 38px;
      --font: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: var(--font);
      color: var(--c-text);
      background: var(--c-page);
      line-height: 1.7;
      font-size: 16px;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--c-primary-deep); text-decoration: none; }
    a:hover { color: var(--c-primary); }
    button, input, select, textarea { font-family: inherit; }
    button { cursor: pointer; }
    h1, h2, h3, h4, p { margin: 0; }
    ul, ol { margin: 0; padding: 0; list-style: none; }
    .nums { font-variant-numeric: tabular-nums; }
    :focus-visible { outline: 2px solid var(--c-primary); outline-offset: 2px; }
    .skip {
      position: absolute; left: -999px; top: 8px;
      background: var(--c-primary-deep); color: #fff; padding: 8px 14px; z-index: 100;
    }
    .skip:focus { left: 8px; }
    .container {
      width: min(var(--container), calc(100% - 48px));
      margin: 0 auto;
    }
    .topbar {
      background: var(--c-iron);
      color: #D5E4EE;
      font-size: 13px;
      min-height: var(--topbar-h);
      display: flex;
      align-items: center;
      transition: min-height .2s ease, padding .2s ease;
    }
    .topbar-inner {
      width: min(var(--container), calc(100% - 48px));
      margin: 0 auto;
      display: flex;
      flex-wrap: wrap;
      gap: 8px 22px;
      align-items: center;
      justify-content: space-between;
    }
    .topbar a { color: #F6F8FA; }
    .topbar a:hover { color: #fff; }
    .topbar-meta { display: flex; flex-wrap: wrap; gap: 8px 22px; }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 40;
      background: #fff;
      border-bottom: 1px solid var(--c-line);
      box-shadow: 0 1px 0 rgba(31, 78, 121, .04);
    }
    .nav-row {
      width: min(var(--container), calc(100% - 48px));
      margin: 0 auto;
      min-height: var(--header-h);
      display: flex;
      align-items: center;
      gap: 20px;
    }
    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--c-text);
      flex-shrink: 0;
    }
    .logo-mark {
      width: 40px; height: 40px;
      border-radius: 4px;
      background: var(--c-primary-deep);
      color: #fff;
      display: grid; place-items: center;
      font-weight: 700; letter-spacing: .04em;
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.12);
    }
    .logo-text { display: flex; flex-direction: column; line-height: 1.15; }
    .logo-text strong { font-size: 16px; font-weight: 700; }
    .logo-text em { font-style: normal; font-size: 12px; color: var(--c-primary); letter-spacing: .18em; }
    .nav-list {
      display: flex;
      align-items: center;
      gap: 4px;
      margin-left: auto;
    }
    .nav-list a {
      color: var(--c-text);
      font-size: 14px;
      padding: 10px 10px 12px;
      position: relative;
      white-space: nowrap;
    }
    .nav-list a::after {
      content: "";
      position: absolute; left: 10px; right: 10px; bottom: 6px; height: 2px;
      background: repeating-linear-gradient(90deg, var(--c-primary) 0 6px, transparent 6px 9px);
      transform: scaleX(0); transform-origin: left; transition: transform .2s ease;
    }
    .nav-list a:hover, .nav-list a.is-active { color: var(--c-primary-deep); }
    .nav-list a:hover::after, .nav-list a.is-active::after { transform: scaleX(1); }
    .btn {
      display: inline-flex; align-items: center; justify-content: center;
      min-height: 44px; padding: 0 18px;
      border-radius: var(--radius-btn);
      border: 1px solid transparent;
      font-size: 14px; font-weight: 600;
      transition: background .2s ease, transform .15s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .btn:active { transform: translateY(1px); }
    .btn-primary { background: var(--c-primary); color: #fff; }
    .btn-primary:hover { background: var(--c-primary-deep); color: #fff; }
    .btn-ghost { background: transparent; color: var(--c-primary-deep); border-color: var(--c-primary); }
    .btn-ghost:hover { background: var(--c-primary-soft); color: var(--c-primary-deep); }
    .btn-dark { background: var(--c-iron); color: #fff; }
    .btn-dark:hover { background: #1a242c; color: #fff; }
    .btn-copper { background: var(--c-copper); color: #fff; }
    .btn-copper:hover { background: #8d5932; color: #fff; }
    .menu-toggle {
      display: none; margin-left: auto;
      width: 44px; height: 44px; border: 1px solid var(--c-line); background: #fff;
      border-radius: var(--radius-btn);
    }
    .menu-toggle span, .menu-toggle span::before, .menu-toggle span::after {
      display: block; width: 18px; height: 2px; background: var(--c-iron); position: relative;
    }
    .menu-toggle span::before, .menu-toggle span::after {
      content: ""; position: absolute; left: 0;
    }
    .menu-toggle span::before { top: -6px; }
    .menu-toggle span::after { top: 6px; }
    .drawer-mask {
      display: none; position: fixed; inset: 0; background: rgba(36,48,57,.46); z-index: 50;
    }
    .drawer-mask.is-open { display: block; }
    .drawer {
      position: fixed; top: 0; right: 0; height: 100%; width: min(86vw, 360px);
      background: #fff; z-index: 60; transform: translateX(100%);
      transition: transform .25s ease; padding: 24px;
      box-shadow: -12px 0 32px rgba(31,78,121,.12);
      display: flex; flex-direction: column; gap: 8px;
    }
    .drawer.is-open { transform: translateX(0); }
    .drawer a {
      min-height: 44px; display: flex; align-items: center;
      border-bottom: 1px solid var(--c-line); color: var(--c-text);
    }
    .is-compact .topbar { min-height: 0; overflow: hidden; padding: 0; max-height: 0; }
    .hero {
      position: relative;
      min-height: 84vh;
      display: flex; align-items: center;
      overflow: hidden;
      background: var(--c-iron);
    }
    .hero-slides { position: absolute; inset: 0; }
    .hero-slide {
      position: absolute; inset: 0; opacity: 0; transition: opacity .6s ease;
    }
    .hero-slide.is-active { opacity: 1; z-index: 1; }
    .hero-slide img {
      width: 100%; height: 100%; object-fit: cover;
    }
    .hero-mask {
      position: absolute; inset: 0; z-index: 2;
      background:
        linear-gradient(90deg, rgba(246,248,250,.94) 0%, rgba(246,248,250,.82) 42%, rgba(36,48,57,.28) 100%),
        repeating-linear-gradient(90deg, rgba(31,78,121,.05) 0 1px, transparent 1px 28px),
        repeating-linear-gradient(0deg, rgba(31,78,121,.04) 0 1px, transparent 1px 28px);
    }
    .hero-grid {
      position: relative; z-index: 3;
      width: min(var(--container), calc(100% - 48px));
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 36px;
      padding: 64px 0;
      align-items: center;
    }
    .kicker {
      display: inline-flex; align-items: center; gap: 8px;
      color: var(--c-primary-deep); font-size: 13px; font-weight: 700; letter-spacing: .12em;
    }
    .kicker::before {
      content: ""; width: 18px; height: 2px; background: var(--c-copper);
    }
    .hero h1 {
      font-size: clamp(32px, 4.4vw, 52px);
      line-height: 1.18;
      letter-spacing: .02em;
      margin: 12px 0 16px;
      max-width: 16ch;
    }
    .hero-lead {
      font-size: 16px; color: var(--c-muted); max-width: 42em; margin-bottom: 22px;
    }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 18px; }
    .hero-note { font-size: 13px; color: var(--c-muted); }
    .hero-picks { display: grid; gap: 12px; }
    .pick-card {
      background: rgba(255,255,255,.92);
      border: 1px solid rgba(31,78,121,.12);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow);
      padding: 16px 18px;
      display: grid;
      grid-template-columns: 72px 1fr auto;
      gap: 12px;
      align-items: center;
      cursor: pointer;
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .pick-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
    .pick-card.is-on { border-color: var(--c-primary); background: #fff; }
    .pick-card img { width: 72px; height: 56px; object-fit: cover; border-radius: 6px; }
    .pick-card h3 { font-size: 15px; }
    .pick-card p { font-size: 12px; color: var(--c-muted); }
    .pick-no { font-size: 12px; color: var(--c-copper); font-variant-numeric: tabular-nums; font-weight: 700; }
    .hero-nav {
      position: absolute; z-index: 4; inset: auto 24px 24px auto;
      display: flex; gap: 8px; align-items: center;
    }
    .hero-arrow, .hero-pause, .dot {
      width: 44px; height: 44px; border-radius: 6px;
      border: 1px solid rgba(31,78,121,.2);
      background: rgba(255,255,255,.9);
      color: var(--c-iron);
    }
    .dots { display: flex; gap: 8px; }
    .dot { width: 44px; height: 10px; border-radius: 4px; padding: 0; }
    .dot.is-on { background: var(--c-primary); border-color: var(--c-primary); }
    .section { padding: 104px 0; position: relative; }
    .section-head { max-width: 760px; margin-bottom: 36px; }
    .section-head.wide { max-width: none; display: flex; justify-content: space-between; gap: 24px; align-items: end; }
    .section h2 {
      font-size: clamp(26px, 3vw, 36px); line-height: 1.25; margin: 8px 0 12px;
    }
    .section-lead { color: var(--c-muted); font-size: 15px; max-width: 46em; }
    .bg-white { background: #fff; }
    .bg-soft { background: var(--c-primary-soft); }
    .bg-page { background: var(--c-page); }
    .bg-warp { background: linear-gradient(#fff, var(--c-warp)); }
    .value-row {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr;
      gap: 18px;
    }
    .value-item {
      background: #fff;
      border-radius: var(--radius-card);
      box-shadow: var(--shadow);
      padding: 28px;
      border: 1px solid transparent;
      min-height: 220px;
      position: relative;
      overflow: hidden;
    }
    .value-item:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
    .value-item:first-child {
      background:
        linear-gradient(180deg, rgba(36,48,57,.08), rgba(36,48,57,.55)),
        url("/assets/images/82f80bd19591da68.webp") center/cover no-repeat;
      color: #fff;
    }
    .value-item:first-child p { color: #D5E4EE; }
    .value-no { font-size: 12px; letter-spacing: .16em; color: var(--c-copper); font-weight: 700; }
    .value-item:first-child .value-no { color: #E7E2D8; }
    .value-item h3 { font-size: 22px; margin: 10px 0 8px; }
    .value-item p { color: var(--c-muted); font-size: 14px; }
    .intro-grid {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 40px;
      align-items: center;
    }
    .intro-media {
      position: relative;
      border-radius: var(--radius-card);
      overflow: hidden;
      box-shadow: var(--shadow);
    }
    .intro-media img { width: 100%; height: 460px; object-fit: cover; }
    .intro-chip {
      position: absolute; left: 16px; bottom: 16px;
      background: #fff; color: var(--c-text);
      padding: 10px 12px; border-radius: 4px; font-size: 12px;
      box-shadow: var(--shadow);
    }
    .spec-inline { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 18px 0; }
    .spec-inline li {
      background: var(--c-page); border-radius: 8px; padding: 12px 14px; font-size: 14px;
      border-left: 3px solid var(--c-primary);
    }
    .spec-inline strong { display: block; font-size: 12px; color: var(--c-muted); font-weight: 500; }
    .module-layout {
      display: grid;
      grid-template-columns: 280px 1fr;
      gap: 24px;
    }
    .module-index {
      display: flex; flex-direction: column; gap: 8px;
      position: sticky; top: 96px; align-self: start;
    }
    .module-btn {
      text-align: left;
      min-height: 52px;
      padding: 12px 14px;
      border: 1px solid var(--c-line);
      background: #fff;
      border-radius: 8px;
      color: var(--c-text);
      display: flex; justify-content: space-between; align-items: center;
    }
    .module-btn.is-on, .module-btn:hover {
      background: var(--c-primary-deep); color: #fff; border-color: var(--c-primary-deep);
    }
    .module-panel {
      display: none;
      background: #fff;
      border-radius: var(--radius-card);
      box-shadow: var(--shadow);
      padding: 32px;
      min-height: 340px;
    }
    .module-panel.is-on { display: block; }
    .module-panel h3 { font-size: 24px; margin-bottom: 10px; }
    .module-points { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 18px; margin-top: 18px; }
    .module-points li {
      padding: 14px 14px 14px 36px;
      background: var(--c-primary-soft);
      border-radius: 8px;
      position: relative;
      font-size: 14px;
    }
    .module-points li::before {
      content: "";
      width: 8px; height: 18px;
      background: repeating-linear-gradient(#1F4E79 0 2px, transparent 2px 4px);
      position: absolute; left: 14px; top: 16px;
    }
    .cap-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }
    .cap-card {
      background: #fff;
      border-radius: var(--radius-card);
      box-shadow: var(--shadow);
      padding: 26px;
      transition: transform .2s ease, box-shadow .2s ease;
    }
    .cap-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
    .cap-ico {
      width: 44px; height: 44px; border-radius: 4px;
      background: var(--c-weft); color: var(--c-primary-deep);
      display: grid; place-items: center; margin-bottom: 14px; font-weight: 700;
    }
    .cap-card h3 { font-size: 18px; margin-bottom: 8px; }
    .cap-card p { color: var(--c-muted); font-size: 14px; min-height: 48px; }
    .badge {
      display: inline-flex; margin-top: 14px;
      background: var(--c-iron); color: #fff;
      border-radius: var(--radius-badge);
      padding: 4px 8px; font-size: 12px; font-variant-numeric: tabular-nums;
    }
    .scene-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      grid-template-rows: 1fr 1fr;
      gap: 16px;
      min-height: 520px;
    }
    .scene-card {
      position: relative; overflow: hidden; border-radius: var(--radius-card);
      box-shadow: var(--shadow); min-height: 240px; color: #fff;
    }
    .scene-card:first-child { grid-row: 1 / span 2; min-height: 520px; }
    .scene-card img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
    .scene-card .copy {
      position: absolute; inset: auto 0 0 0;
      padding: 22px;
      background: linear-gradient(transparent, rgba(36,48,57,.88));
    }
    .scene-card h3 { font-size: 20px; margin-bottom: 6px; }
    .scene-card p { font-size: 14px; color: #D5E4EE; }
    .model-stage {
      display: grid;
      grid-template-columns: 1.25fr .75fr;
      gap: 18px;
    }
    .model-main, .model-side article {
      background: #fff; border-radius: var(--radius-card); box-shadow: var(--shadow); overflow: hidden;
    }
    .model-main img { width: 100%; height: 320px; object-fit: cover; }
    .model-body { padding: 26px; }
    .model-side { display: grid; gap: 18px; }
    .model-side article { display: grid; grid-template-columns: 140px 1fr; }
    .model-side img { width: 140px; height: 100%; object-fit: cover; }
    .spec-list { display: grid; gap: 6px; margin: 12px 0 16px; font-size: 14px; color: var(--c-muted); }
    .spec-list li { display: flex; justify-content: space-between; gap: 12px; border-bottom: 1px dashed var(--c-line); padding-bottom: 6px; }
    .spec-list b { color: var(--c-text); font-weight: 600; font-variant-numeric: tabular-nums; }
    .gallery {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr;
      grid-template-rows: 240px 240px;
      gap: 12px;
    }
    .gallery-item {
      position: relative; overflow: hidden; border-radius: var(--radius-card); box-shadow: var(--shadow);
    }
    .gallery-item:first-child { grid-row: 1 / span 2; }
    .gallery-item img { width: 100%; height: 100%; object-fit: cover; }
    .caption {
      position: absolute; left: 0; right: 0; bottom: 0;
      background: rgba(36,48,57,.78); color: #fff;
      padding: 10px 14px; font-size: 13px;
    }
    .cases { background: var(--c-iron); color: #E8F1F8; padding: 104px 0; }
    .cases h2, .cases .kicker { color: #fff; }
    .cases .section-lead { color: #D5E4EE; }
    .case-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-top: 1px solid rgba(213,228,238,.2); }
    .case-item {
      padding: 28px 24px 28px 0;
      border-bottom: 1px solid rgba(213,228,238,.2);
    }
    .case-item:nth-child(odd) { padding-right: 32px; border-right: 1px solid rgba(213,228,238,.2); }
    .case-item:nth-child(even) { padding-left: 32px; }
    .case-no { font-size: 28px; color: var(--c-copper); font-variant-numeric: tabular-nums; }
    .case-item h3 { font-size: 20px; color: #fff; margin: 6px 0 8px; }
    .case-item p { color: #D5E4EE; font-size: 14px; }
    .story-grid {
      display: grid;
      grid-template-columns: 1.4fr .8fr;
      gap: 18px;
    }
    .story-main {
      background: #fff; border-radius: var(--radius-card); box-shadow: var(--shadow); overflow: hidden;
    }
    .story-main img { width: 100%; height: 280px; object-fit: cover; }
    .story-main .copy, .story-side article { padding: 26px; }
    .story-side { display: grid; gap: 18px; }
    .story-side article {
      background: var(--c-primary-soft); border-radius: var(--radius-card);
    }
    .stats {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
    }
    .stat {
      background: #fff; border-radius: var(--radius-card); box-shadow: var(--shadow);
      padding: 28px 22px; text-align: left;
      border-top: 3px solid var(--c-primary);
    }
    .stat b {
      display: block; font-size: 32px; line-height: 1.2; font-variant-numeric: tabular-nums; color: var(--c-primary-deep);
    }
    .stat span { color: var(--c-muted); font-size: 13px; }
    .pkg-grid { display: grid; grid-template-columns: 1fr 1.15fr 1fr; gap: 16px; align-items: stretch; }
    .pkg-card {
      background: #fff; border-radius: var(--radius-card); box-shadow: var(--shadow);
      padding: 28px; display: flex; flex-direction: column;
      border: 1px solid var(--c-line);
    }
    .pkg-card.featured {
      background: var(--c-iron); color: #fff; transform: translateY(-8px);
    }
    .pkg-card h3 { font-size: 20px; margin: 8px 0; }
    .pkg-price { font-size: 28px; font-variant-numeric: tabular-nums; color: var(--c-copper); margin: 8px 0 14px; }
    .pkg-card.featured .pkg-price { color: #E7E2D8; }
    .pkg-list { font-size: 14px; color: var(--c-muted); display: grid; gap: 8px; margin-bottom: 16px; }
    .pkg-card.featured .pkg-list { color: #D5E4EE; }
    .pkg-list li { padding-left: 14px; position: relative; }
    .pkg-list li::before { content: "▣"; position: absolute; left: 0; font-size: 10px; top: 4px; color: var(--c-primary); }
    .pkg-card .btn { margin-top: auto; }
    .agent-band {
      margin-top: 22px;
      display: grid; grid-template-columns: repeat(4, 1fr);
      gap: 12px;
      background: #fff; border-radius: var(--radius-card); padding: 22px;
      box-shadow: var(--shadow);
    }
    .agent-band h4 { font-size: 15px; margin-bottom: 6px; }
    .agent-band p { font-size: 13px; color: var(--c-muted); }
    .review-wall {
      columns: 3; column-gap: 16px;
    }
    .review-card {
      break-inside: avoid;
      background: #fff; border-radius: var(--radius-card); box-shadow: var(--shadow);
      padding: 22px; margin-bottom: 16px;
      border-left: 3px solid var(--c-weft);
    }
    .review-card:nth-child(3n) { border-left-color: var(--c-copper); }
    .review-card p { font-size: 14px; }
    .review-meta { margin-top: 12px; font-size: 12px; color: var(--c-muted); }
    .quotes { display: grid; gap: 18px; }
    .quote-block {
      display: grid; grid-template-columns: 160px 1fr; gap: 0;
      background: #fff; border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow);
    }
    .quote-block img { width: 160px; height: 100%; object-fit: cover; min-height: 160px; }
    .quote-block blockquote {
      margin: 0; padding: 28px; font-size: 18px; line-height: 1.65; position: relative;
    }
    .quote-block blockquote::before {
      content: "“"; font-size: 64px; color: var(--c-primary); position: absolute; top: 0; left: 16px; line-height: 1;
      opacity: .35;
    }
    .quote-block cite { display: block; margin-top: 10px; font-style: normal; font-size: 13px; color: var(--c-muted); }
    .news-layout { display: grid; grid-template-columns: 220px 1fr; gap: 28px; }
    .topic-tags { display: flex; flex-direction: column; gap: 8px; }
    .topic-tags a {
      min-height: 44px; display: flex; align-items: center; justify-content: space-between;
      background: #fff; border-radius: 8px; padding: 0 14px; box-shadow: var(--shadow); color: var(--c-text);
    }
    .topic-tags a:hover { background: var(--c-primary-soft); }
    .news-list { display: grid; gap: 14px; }
    .news-card {
      display: grid; grid-template-columns: 180px 1fr; gap: 16px;
      background: #fff; border-radius: var(--radius-card); box-shadow: var(--shadow); overflow: hidden;
    }
    .news-card img { width: 180px; height: 120px; object-fit: cover; }
    .news-card .copy { padding: 16px 16px 16px 0; }
    .news-card time { font-size: 12px; color: var(--c-copper); font-variant-numeric: tabular-nums; }
    .news-card h3 { font-size: 18px; margin: 4px 0 6px; }
    .news-card p { font-size: 14px; color: var(--c-muted); }
    .more-link { display: inline-flex; min-height: 44px; align-items: center; margin-top: 12px; font-weight: 600; }
    .faq-list { display: grid; gap: 10px; }
    .faq-item { background: #fff; border-radius: 8px; box-shadow: var(--shadow); overflow: hidden; }
    .faq-item button {
      width: 100%; text-align: left; background: #fff; border: 0;
      min-height: 56px; padding: 14px 18px; font-size: 16px; font-weight: 650; color: var(--c-text);
      display: flex; justify-content: space-between; gap: 12px; align-items: center;
    }
    .faq-item button span { color: var(--c-primary); font-variant-numeric: tabular-nums; }
    .faq-item .ans { display: none; padding: 0 18px 16px; color: var(--c-muted); font-size: 14px; }
    .faq-item.is-open .ans { display: block; }
    .cta-band {
      background:
        linear-gradient(90deg, rgba(31,78,121,.92), rgba(36,48,57,.88)),
        url("/assets/images/4b608ba9cc0d5ccf.webp") center/cover no-repeat;
      color: #fff; padding: 96px 0;
    }
    .cta-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 32px; align-items: start; }
    .cta-band h2 { color: #fff; }
    .cta-points { display: grid; gap: 10px; margin-top: 18px; }
    .cta-points li { padding-left: 16px; position: relative; color: #D5E4EE; }
    .cta-points li::before { content: ""; width: 8px; height: 8px; background: var(--c-copper); position: absolute; left: 0; top: 9px; }
    .form {
      background: #fff; color: var(--c-text);
      border-radius: var(--radius-card); padding: 26px; box-shadow: var(--shadow);
    }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .form label { display: block; font-size: 13px; margin-bottom: 6px; }
    .form .full { grid-column: 1 / -1; }
    .form input, .form select, .form textarea {
      width: 100%; min-height: 44px; border: 1px solid var(--c-line);
      border-radius: var(--radius-input); padding: 8px 12px; background: var(--c-page);
    }
    .form textarea { min-height: 96px; resize: vertical; }
    .form .err { color: var(--c-danger); font-size: 12px; margin-top: 4px; }
    .form-success {
      background: var(--c-primary-soft); border-radius: 8px; padding: 22px; color: var(--c-primary-deep);
    }
    .site-footer {
      background: var(--c-iron); color: #D5E4EE; padding: 56px 0 24px;
    }
    .footer-grid {
      display: grid; grid-template-columns: 1.3fr .8fr 1fr .9fr; gap: 24px;
      padding-bottom: 28px; border-bottom: 1px solid rgba(213,228,238,.16);
    }
    .site-footer .logo { color: #fff; margin-bottom: 12px; }
    .site-footer a { color: #E8F1F8; }
    .site-footer a:hover { color: #fff; }
    .foot-links a, .foot-contact p { display: block; min-height: 32px; }
    .copybar { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-top: 16px; font-size: 13px; }
    @media (max-width: 1280px) {
      .container, .nav-row, .topbar-inner, .hero-grid { width: min(1140px, calc(100% - 48px)); }
    }
    @media (max-width: 1024px) {
      .nav-list { display: none; }
      .nav-row .btn-primary { display: none; }
      .menu-toggle { display: grid; place-items: center; }
      .hero-grid, .intro-grid, .module-layout, .model-stage, .story-grid, .cta-grid, .news-layout, .footer-grid, .pkg-grid, .value-row, .scene-grid, .case-grid {
        grid-template-columns: 1fr;
      }
      .scene-card:first-child { grid-row: auto; min-height: 280px; }
      .gallery { grid-template-columns: 1fr 1fr; grid-template-rows: 200px 200px 200px; }
      .gallery-item:first-child { grid-row: auto; grid-column: 1 / span 2; }
      .cap-grid { grid-template-columns: 1fr 1fr; }
      .agent-band { grid-template-columns: 1fr 1fr; }
      .review-wall { columns: 2; }
      .model-side article { grid-template-columns: 120px 1fr; }
      .pkg-card.featured { transform: none; }
      .hero { min-height: auto; }
      .section, .cases, .cta-band { padding: 64px 0; }
      .module-index { position: static; }
    }
    @media (max-width: 768px) {
      .topbar-meta span.hide-sm { display: none; }
      .stats { grid-template-columns: 1fr 1fr; }
      .cap-grid, .form-grid, .agent-band { grid-template-columns: 1fr; }
      .review-wall { columns: 1; }
      .news-card, .quote-block, .model-side article { grid-template-columns: 1fr; }
      .news-card img, .quote-block img, .model-side img { width: 100%; height: 180px; }
      .hero-picks { order: 3; }
      .gallery { grid-template-columns: 1fr; grid-template-rows: none; }
      .gallery-item:first-child { grid-column: auto; }
      .gallery-item { height: 220px; }
      .intro-media img { height: 280px; }
      .case-item:nth-child(odd), .case-item:nth-child(even) { padding: 20px 0; border-right: 0; }
      .copybar { flex-direction: column; }
    }
    @media (max-width: 520px) {
      .container, .nav-row, .topbar-inner, .hero-grid { width: calc(100% - 32px); }
      body { font-size: 15px; }
      .pick-card { grid-template-columns: 1fr auto; }
      .pick-card img { display: none; }
      .hero-nav { left: 16px; right: 16px; justify-content: space-between; }
      .spec-inline, .module-points { grid-template-columns: 1fr; }
      .stats { gap: 10px; }
      .stat b { font-size: 24px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      * { transition: none !important; }
    }

/* roulang page: index */
:root {
      --blue-600: #2F6FA8;
      --blue-700: #275d8d;
      --blue-500: #3D84C2;
      --blue-50: #EEF5FB;
      --ink: #2C333A;
      --steel: #6B7785;
      --copper: #B56A3A;
      --linen: #F3EEE6;
      --bg: #F6F8FB;
      --card: #FFFFFF;
      --dark: #24303A;
      --line: rgba(44, 51, 58, .10);
      --radius: 14px;
      --radius-sm: 8px;
      --shadow: 0 8px 28px rgba(47, 111, 168, .08);
      --shadow-hover: 0 14px 36px rgba(47, 111, 168, .14);
      --header-main: 76px;
      --space: 96px;
      --max: 1240px;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    html, body { margin: 0; padding: 0; overflow-x: hidden; }
    body {
      font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      color: var(--ink);
      background: var(--bg);
      font-size: 16px;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--blue-500); text-decoration: none; }
    a:hover { color: var(--blue-700); }
    button, input, select, textarea { font-family: inherit; }
    button { cursor: pointer; }
    h1, h2, h3, h4 { color: var(--ink); letter-spacing: .01em; line-height: 1.3; margin: 0 0 .6em; font-weight: 700; }
    h1 { font-size: 40px; }
    h2 { font-size: 30px; }
    h3 { font-size: 21px; }
    p { margin: 0 0 1em; color: var(--steel); }
    ul, ol { margin: 0; padding: 0; }
    :focus-visible {
      outline: 2px solid var(--blue-600);
      outline-offset: 3px;
    }
    .num, .stat-num, .price-num, .spec-val {
      font-variant-numeric: tabular-nums;
      font-feature-settings: "tnum";
    }
    .container {
      width: min(var(--max), calc(100% - 40px));
      margin-inline: auto;
    }
    .section { padding: var(--space) 0; position: relative; }
    .section-head { max-width: 760px; margin-bottom: 40px; text-align: left; }
    .section-head p { font-size: 16px; line-height: 1.75; }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--blue-600);
      font-size: 13px;
      font-weight: 600;
      letter-spacing: .08em;
      margin-bottom: 10px;
    }
    .weave-grid {
      background-image:
        linear-gradient(rgba(47,111,168,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(47,111,168,.035) 1px, transparent 1px);
      background-size: 28px 28px;
    }
    .site-header { position: relative; z-index: 50; }
    .topbar {
      height: 40px;
      background: var(--blue-50);
      color: var(--ink);
      font-size: 13px;
      display: flex;
      align-items: center;
    }
    .topbar-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }
    .topbar a { color: var(--ink); }
    .topbar a:hover { color: var(--blue-600); }
    .top-left, .top-right { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
    .cert-badge {
      display: inline-flex;
      align-items: center;
      height: 24px;
      padding: 0 8px;
      border-radius: 4px;
      background: #fff;
      border: 1px solid var(--line);
      color: var(--blue-600);
      font-weight: 600;
      font-size: 12px;
    }
    .mainbar {
      height: var(--header-main);
      background: #fff;
      display: flex;
      align-items: center;
      border-bottom: 1px solid transparent;
    }
    .mainbar.is-sticky {
      position: sticky;
      top: 0;
      z-index: 60;
      box-shadow: 0 8px 24px rgba(36, 48, 58, .08);
      border-bottom-color: var(--line);
    }
    .mainbar-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
    }
    .logo {
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--ink);
      min-width: 210px;
    }
    .logo:hover { color: var(--ink); }
    .logo-mark {
      width: 42px; height: 42px; flex: 0 0 42px;
      border-radius: 10px;
      background: var(--blue-50);
      border: 1px solid rgba(47,111,168,.18);
      display: grid; place-items: center;
    }
    .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(--steel); font-weight: 400; margin-top: 3px; }
    .nav-desktop { display: flex; align-items: center; gap: 4px; }
    .nav-link {
      position: relative;
      display: inline-flex;
      align-items: center;
      height: 44px;
      padding: 0 10px;
      color: var(--ink);
      font-size: 14px;
      font-weight: 500;
      white-space: nowrap;
    }
    .nav-link:hover { color: var(--blue-600); }
    .nav-link.is-current { color: var(--blue-600); }
    .nav-link.is-current::after {
      content: "";
      position: absolute;
      left: 10px; right: 10px; bottom: 8px;
      height: 4px;
      background: repeating-linear-gradient(90deg, var(--blue-600) 0 5px, transparent 5px 8px);
    }
    .header-cta { display: flex; align-items: center; gap: 10px; }
    .menu-toggle {
      display: none;
      width: 44px; height: 44px;
      border: 1px solid var(--line);
      border-radius: var(--radius-sm);
      background: #fff;
      align-items: center;
      justify-content: center;
    }
    .menu-toggle span, .menu-toggle span::before, .menu-toggle span::after {
      display: block; width: 18px; height: 2px; background: var(--ink); position: relative;
    }
    .menu-toggle span::before, .menu-toggle span::after {
      content: ""; position: absolute; left: 0;
    }
    .menu-toggle span::before { top: -6px; }
    .menu-toggle span::after { top: 6px; }
    .drawer-mask {
      position: fixed; inset: 0; background: rgba(36,48,58,.42);
      opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 70;
    }
    .drawer-mask.is-open { opacity: 1; pointer-events: auto; }
    .drawer {
      position: fixed; top: 0; right: 0; height: 100%;
      width: min(86vw, 360px);
      background: #fff;
      box-shadow: -12px 0 32px rgba(36,48,58,.12);
      transform: translateX(100%);
      transition: transform .24s ease;
      z-index: 80;
      padding: 24px 20px 32px;
      display: flex; flex-direction: column; gap: 8px;
      overflow-y: auto;
    }
    .drawer.is-open { transform: translateX(0); }
    .drawer a { color: var(--ink); min-height: 44px; display: flex; align-items: center; font-weight: 500; }
    .drawer .btn { margin-top: 12px; width: 100%; }
    .btn {
      display: inline-flex; align-items: center; justify-content: center;
      min-height: 44px; padding: 0 22px; border-radius: var(--radius-sm);
      font-weight: 600; font-size: 14px; border: 1px solid transparent;
      transition: background .18s, box-shadow .18s, transform .18s, color .18s, border-color .18s;
      text-decoration: none;
    }
    .btn-primary { background: var(--blue-600); color: #fff; box-shadow: 0 8px 20px rgba(47,111,168,.18); }
    .btn-primary:hover { background: var(--blue-700); color: #fff; transform: translateY(-1px); box-shadow: inset 0 1px 0 rgba(255,255,255,.14), 0 10px 24px rgba(47,111,168,.22); }
    .btn-primary:active { transform: translateY(0); box-shadow: inset 0 2px 6px rgba(0,0,0,.16); }
    .btn-ghost { background: #fff; color: var(--blue-600); border-color: var(--blue-600); }
    .btn-ghost:hover { background: var(--blue-50); color: var(--blue-700); }
    .btn-ghost:active { box-shadow: inset 0 2px 6px rgba(47,111,168,.12); }
    .btn-dark { background: transparent; color: #fff; border-color: rgba(255,255,255,.55); }
    .btn-dark:hover { background: rgba(255,255,255,.08); color: #fff; }
    .badge {
      display: inline-flex; align-items: center; gap: 6px;
      height: 28px; padding: 0 10px; border-radius: 6px;
      background: var(--blue-50); color: var(--blue-600);
      font-size: 12px; font-weight: 600;
    }
    .badge-copper { background: rgba(181,106,58,.12); color: var(--copper); }
    .hero {
      position: relative;
      min-height: 640px;
      color: #fff;
      isolation: isolate;
    }
    .hero-slides, .hero-slide, .hero-slide img {
      position: absolute; inset: 0; width: 100%; height: 100%;
    }
    .hero-slide { opacity: 0; transition: opacity .6s ease; }
    .hero-slide.is-active { opacity: 1; z-index: 1; }
    .hero-slide img { object-fit: cover; }
    .hero-mask {
      position: absolute; inset: 0; z-index: 2;
      background: linear-gradient(90deg, rgba(36,48,58,.58) 0%, rgba(36,48,58,.46) 48%, rgba(36,48,58,.28) 100%);
    }
    .hero-grid {
      position: relative; z-index: 3;
      display: grid;
      grid-template-columns: minmax(0, 1.15fr) minmax(280px, .85fr);
      gap: 36px;
      align-items: center;
      min-height: 640px;
      padding: 48px 0;
    }
    .hero-copy { color: #fff; text-align: left; }
    .hero-copy .eyebrow { color: #d7e8f6; }
    .hero-copy h1, .hero-copy .hero-heading {
      font-size: 40px; font-weight: 700; color: #fff; margin: 0 0 16px; line-height: 1.25;
    }
    .hero-lead {
      font-size: 16px; line-height: 1.75; color: rgba(255,255,255,.9);
      max-width: 620px; margin-bottom: 24px;
    }
    .hero-copy-slide { display: none; }
    .hero-copy-slide.is-active { display: block; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 22px; }
    .hero-controls { display: flex; align-items: center; gap: 10px; }
    .ctrl {
      width: 44px; height: 44px; border-radius: 8px;
      border: 1px solid rgba(255,255,255,.4); background: rgba(36,48,58,.28);
      color: #fff; display: grid; place-items: center;
    }
    .ctrl:hover { background: rgba(36,48,58,.5); }
    .dots { display: flex; gap: 8px; margin-left: 8px; }
    .dot {
      width: 10px; height: 10px; border-radius: 50%;
      background: rgba(255,255,255,.4); border: 0; padding: 0;
    }
    .dot.is-active { background: #fff; }
    .hero-picks { display: grid; gap: 14px; }
    .pick-card {
      display: grid; grid-template-columns: 118px 1fr; gap: 12px;
      background: rgba(255,255,255,.96);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      overflow: hidden; color: var(--ink);
      min-height: 132px;
    }
    .pick-card img { width: 118px; height: 100%; object-fit: cover; }
    .pick-body { padding: 12px 14px 12px 0; }
    .pick-body h3 { font-size: 16px; margin: 0 0 6px; }
    .pick-body p { font-size: 13px; margin: 0 0 8px; }
    .pick-card a { font-size: 13px; font-weight: 600; color: var(--blue-600); }
    .intro-grid, .spares-grid { display: grid; grid-template-columns: .92fr 1.08fr; gap: 40px; align-items: center; }
    .media-frame {
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow);
      background: #fff;
    }
    .media-frame img { width: 100%; height: 420px; object-fit: cover; }
    .param-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 22px; }
    .bento {
      display: grid;
      grid-template-columns: 1.15fr 1.15fr 1fr 1fr;
      grid-template-areas:
        "wide1 wide1 wide2 wide2"
        "n1 n2 n3 n4";
      gap: 16px;
    }
    .bento-card {
      background: var(--card);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      border: 1px solid var(--line);
      padding: 22px;
      transition: transform .2s, box-shadow .2s;
    }
    .bento-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
    .area-w1 { grid-area: wide1; display: grid; grid-template-columns: 150px 1fr; gap: 16px; }
    .area-w2 { grid-area: wide2; display: grid; grid-template-columns: 150px 1fr; gap: 16px; }
    .area-n1 { grid-area: n1; } .area-n2 { grid-area: n2; } .area-n3 { grid-area: n3; } .area-n4 { grid-area: n4; }
    .bento-card img { width: 100%; height: 140px; object-fit: cover; border-radius: 10px; }
    .metric { font-size: 28px; color: var(--blue-600); font-weight: 700; line-height: 1.1; margin: 4px 0 8px; }
    .spec-table { width: 100%; border-collapse: collapse; font-size: 13px; }
    .spec-table td { padding: 6px 0; border-bottom: 1px solid var(--line); color: var(--steel); }
    .spec-table td:last-child { text-align: right; color: var(--ink); font-weight: 600; }
    .product-grid {
      display: grid;
      grid-template-columns: 1.25fr .9fr .9fr;
      gap: 18px;
    }
    .product-card {
      background: #fff; border-radius: var(--radius); overflow: hidden;
      box-shadow: var(--shadow); border: 1px solid var(--line);
      display: flex; flex-direction: column;
      transition: transform .2s, box-shadow .2s;
    }
    .product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
    .product-card img { width: 100%; height: 230px; object-fit: cover; }
    .product-card.featured img { height: 300px; }
    .product-body { padding: 20px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
    .scene-track { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .scene-card {
      background: #fff; border-radius: var(--radius); overflow: hidden;
      box-shadow: var(--shadow); border: 1px solid var(--line);
    }
    .scene-card img { width: 100%; height: 180px; object-fit: cover; }
    .scene-card .pad { padding: 16px 18px 20px; }
    .scene-card ul { list-style: none; }
    .scene-card li { font-size: 14px; color: var(--steel); padding: 4px 0 4px 14px; position: relative; }
    .scene-card li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--blue-500); position: absolute; left: 0; top: 11px; }
    .demo-tabs { display: flex; gap: 8px; margin-bottom: 22px; flex-wrap: wrap; }
    .tab-btn {
      min-height: 44px; padding: 0 16px; border-radius: 8px;
      border: 1px solid var(--line); background: #fff; color: var(--ink); font-weight: 600;
    }
    .tab-btn.is-active { background: var(--blue-600); color: #fff; border-color: var(--blue-600); }
    .demo-panel { display: none; }
    .demo-panel.is-active { display: block; }
    .collage {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr;
      grid-template-rows: 220px 180px;
      gap: 12px;
    }
    .collage img { width: 100%; height: 100%; object-fit: cover; border-radius: 12px; }
    .collage .g1 { grid-row: 1 / span 2; }
    .steps { margin-top: 22px; padding-left: 20px; color: var(--steel); }
    .steps li { margin: 8px 0; }
    .cases { background: var(--dark); color: #d9e2ea; }
    .cases h2, .cases h3 { color: #fff; }
    .cases .eyebrow { color: #9ec6e6; }
    .cases p { color: #c5d0d8; }
    .warp-line {
      background-image: repeating-linear-gradient(180deg, rgba(255,255,255,.05) 0 1px, transparent 1px 12px);
    }
    .principle-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 28px; }
    .principle {
      border: 1px solid rgba(255,255,255,.08);
      border-radius: 12px; padding: 18px 20px; background: rgba(255,255,255,.03);
    }
    .case-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .case-card { background: rgba(255,255,255,.04); border-radius: 14px; overflow: hidden; border: 1px solid rgba(255,255,255,.06); }
    .case-card img { width: 100%; height: 160px; object-fit: cover; }
    .case-card .pad { padding: 16px 18px 20px; }
    .case-card .num { color: #7eb3dc; font-weight: 700; }
    .price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; align-items: stretch; }
    .price-card {
      background: #fff; border-radius: var(--radius); box-shadow: var(--shadow);
      border: 1px solid var(--line); padding: 28px 24px; display: flex; flex-direction: column;
    }
    .price-card.featured {
      border-color: var(--blue-600);
      box-shadow: 0 16px 40px rgba(47,111,168,.16);
      transform: translateY(-8px);
    }
    .price-num { font-size: 32px; color: var(--ink); font-weight: 700; }
    .price-card.featured .price-num { color: var(--copper); }
    .price-card ul { list-style: none; margin: 12px 0 20px; }
    .price-card li { padding: 7px 0 7px 18px; position: relative; color: var(--steel); font-size: 14px; }
    .price-card li::before { content: ""; width: 8px; height: 8px; border: 2px solid var(--blue-500); border-radius: 2px; position: absolute; left: 0; top: 12px; }
    .story-grid { display: grid; grid-template-columns: 1.4fr .8fr; gap: 18px; }
    .story-main { display: grid; grid-template-columns: 1.1fr .9fr; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
    .story-main img { width: 100%; height: 100%; min-height: 360px; object-fit: cover; }
    .story-side { display: grid; gap: 18px; }
    .story-mini { background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; border: 1px solid var(--line); }
    .stats {
      background: var(--blue-50);
      padding: 56px 0;
    }
    .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; text-align: left; }
    .stat { padding: 8px 12px; }
    .stat-num { font-size: 36px; color: var(--blue-600); font-weight: 700; line-height: 1.1; }
    .stat span { display: block; color: var(--steel); margin-top: 6px; font-size: 14px; }
    .review-wall {
      columns: 3;
      column-gap: 16px;
    }
    .review {
      break-inside: avoid;
      background: #fff; border-radius: 12px; box-shadow: var(--shadow);
      border: 1px solid var(--line); padding: 16px 18px; margin-bottom: 16px;
    }
    .stars { color: var(--copper); letter-spacing: 2px; font-size: 13px; margin-bottom: 8px; }
    .review p { font-size: 14px; margin-bottom: 8px; color: var(--ink); }
    .review .who { font-size: 13px; color: var(--steel); }
    .logo-strip { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
    . mill-plaque, .mill-plaque {
      min-height: 44px; padding: 8px 14px; border: 1px dashed rgba(47,111,168,.28);
      border-radius: 8px; background: #fff; color: var(--ink); font-size: 13px; font-weight: 600;
      display: inline-flex; align-items: center;
    }
    .quote-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .quote {
      background: #fff; border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow);
      border-top: 4px solid var(--blue-600);
    }
    .quote p { color: var(--ink); }
    .spares-points { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .spare {
      background: var(--blue-50); border-radius: 12px; padding: 16px 16px 14px;
    }
    .spare h3 { font-size: 18px; margin-bottom: 6px; }
    .news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
    .news-card { background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--line); display: flex; flex-direction: column; }
    .news-card img { width: 100%; height: 150px; object-fit: cover; }
    .news-card .pad { padding: 16px; }
    .news-card time { font-size: 12px; color: var(--steel); }
    .news-card h3 { font-size: 17px; margin: 6px 0 8px; }
    .news-card p { font-size: 14px; }
    .faq-list { display: grid; gap: 10px; }
    .faq-item { background: #fff; border-radius: 12px; border: 1px solid var(--line); box-shadow: 0 6px 18px rgba(47,111,168,.05); overflow: hidden; }
    .faq-item button {
      width: 100%; text-align: left; background: #fff; border: 0;
      min-height: 56px; padding: 14px 18px; font-size: 16px; font-weight: 600; color: var(--ink);
      display: flex; justify-content: space-between; gap: 12px; align-items: center;
    }
    .faq-item button span.ico { color: var(--blue-600); font-size: 20px; }
    .faq-panel { display: none; padding: 0 18px 16px; color: var(--steel); border-top: 1px solid var(--line); }
    .faq-item.is-open .faq-panel { display: block; padding-top: 12px; }
    .cta-box {
      background: var(--dark);
      border-radius: 16px;
      padding: 40px;
      display: grid;
      grid-template-columns: .9fr 1.1fr;
      gap: 28px;
      color: #fff;
    }
    .cta-box h2 { color: #fff; }
    .cta-box p, .cta-box li { color: #c9d4dc; }
    .cta-box ol { padding-left: 18px; }
    .form {
      background: #fff; color: var(--ink); border-radius: 14px; padding: 22px;
    }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .field { display: flex; flex-direction: column; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    .field label { font-size: 13px; color: var(--ink); font-weight: 600; }
    .field input, .field select, .field textarea {
      height: 48px; border: 1px solid #8b96a1; border-radius: 8px; padding: 0 12px;
      background: #fff; color: var(--ink); font-size: 15px;
    }
    .field textarea { height: 96px; padding-top: 10px; resize: vertical; }
    .field input:focus, .field select:focus, .field textarea:focus {
      border-color: var(--blue-600);
      box-shadow: 0 0 0 3px rgba(47,111,168,.18);
      outline: none;
    }
    .form-note { font-size: 13px; color: var(--steel); margin: 8px 0 12px; }
    .form-success { display: none; background: var(--blue-50); color: var(--blue-700); border-radius: 8px; padding: 10px 12px; margin-bottom: 10px; }
    .form-error { display: none; color: #9b3a2f; font-size: 13px; margin-bottom: 8px; }
    .site-footer {
      background: #1d262e; color: #c5d0d8; padding: 56px 0 28px; margin-top: 0;
    }
    .footer-grid { display: grid; grid-template-columns: 1.3fr .9fr 1fr .9fr; gap: 28px; }
    .site-footer h3 { color: #fff; font-size: 16px; }
    .site-footer a { color: #c5d0d8; }
    .site-footer a:hover { color: #fff; }
    .site-footer ul { list-style: none; }
    .site-footer li { margin: 8px 0; }
    .copy { border-top: 1px solid rgba(255,255,255,.08); margin-top: 28px; padding-top: 16px; font-size: 13px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
    #intro, #features, #products, #scenes, #demo, #cases, #pricing, #stories, #stats, #reviews, #voice, #spares, #news, #faq, #cta, #hero {
      scroll-margin-top: 90px;
    }
    @media (max-width: 1440px) {
      h1, .hero-copy h1, .hero-copy .hero-heading { font-size: 38px; }
    }
    @media (max-width: 1024px) {
      :root { --space: 80px; --header-main: 70px; }
      h1, .hero-copy h1, .hero-copy .hero-heading { font-size: 34px; }
      h2 { font-size: 26px; }
      .nav-desktop { display: none; }
      .menu-toggle { display: inline-flex; }
      .hero-grid { grid-template-columns: 1fr; min-height: auto; padding: 36px 0 40px; }
      .hero { min-height: auto; }
      .hero-picks { grid-template-columns: 1fr 1fr; }
      .bento { grid-template-columns: 1fr 1fr; grid-template-areas: "wide1 wide2" "n1 n2" "n3 n4"; }
      .area-w1, .area-w2 { grid-template-columns: 1fr; }
      .product-grid, .scene-track, .case-row, .price-grid, .quote-grid, .news-grid, .stats-grid, .principle-grid { grid-template-columns: 1fr 1fr; }
      .intro-grid, .spares-grid, .story-grid, .story-main, .cta-box, .footer-grid { grid-template-columns: 1fr; }
      .collage { grid-template-columns: 1fr 1fr; grid-template-rows: 200px 180px 180px; }
      .collage .g1 { grid-row: auto; height: 220px; }
      .review-wall { columns: 2; }
      .product-card.featured img, .media-frame img, .story-main img { height: 240px; min-height: 0; }
      .price-card.featured { transform: none; }
    }
    @media (max-width: 768px) {
      :root { --space: 64px; }
      h1, .hero-copy h1, .hero-copy .hero-heading { font-size: 30px; }
      .top-right span.hide-sm { display: none; }
      .hero-picks { grid-template-columns: 1fr; }
      .pick-card { grid-template-columns: 96px 1fr; }
      .bento, .product-grid, .principle-grid, .case-row, .price-grid, .quote-grid, .news-grid, .stats-grid, .form-grid, .spares-points { grid-template-columns: 1fr; }
      .scene-track {
        display: flex; overflow-x: auto; scroll-snap-type: x mandatory;
        gap: 12px; margin-inline: -20px; padding-inline: 20px; padding-bottom: 8px;
      }
      .scene-card { flex: 0 0 min(84%, 300px); scroll-snap-align: start; }
      .review-wall { columns: 1; }
      .cta-box { padding: 24px 18px; }
      .area-w1, .area-w2 { grid-template-columns: 1fr; }
      .copy { flex-direction: column; }
    }
    @media (max-width: 520px) {
      .container { width: min(var(--max), calc(100% - 28px)); }
      h1, .hero-copy h1, .hero-copy .hero-heading { font-size: 26px; }
      h2 { font-size: 24px; }
      .topbar { height: auto; padding: 6px 0; }
      .hero-actions .btn { width: 100%; }
      .collage { grid-template-columns: 1fr; grid-template-rows: none; }
      .collage img, .collage .g1 { height: 180px; }
      .header-cta .btn { padding: 0 12px; font-size: 13px; }
    }
    @media (max-width: 375px) {
      body { font-size: 15px; }
      .logo-text strong { font-size: 14px; }
      .pick-card { min-height: 0; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      .hero-slide { transition: none; }
    }