/* roulang page: index */
:root {
      --ink: #1F3D3A;
      --copper: #B08D57;
      --copper-deep: #8C6C3E;
      --jade: #3E8C7A;
      --paper: #F3EFE6;
      --warm: #FAF7F2;
      --void: #12181A;
      --text: #1C1C1C;
      --muted: #5C5852;
      --line: #D9D2C5;
      --danger: #A65A3A;
      --radius: 6px;
      --radius-btn: 4px;
      --shadow: 0 8px 24px rgba(18, 24, 26, .06);
      --shadow-hover: 0 10px 26px rgba(18, 24, 26, .09);
      --space: 32px;
      --pad-y: 96px;
      --nav-h: 72px;
      --top-h: 36px;
      --container: 1220px;
      --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
      --sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Heiti SC", sans-serif;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--text);
      background: var(--warm);
      font-family: var(--sans);
      font-size: 16px;
      line-height: 1.8;
      -webkit-font-smoothing: antialiased;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: inherit; text-decoration: none; }
    button, input, select, textarea { font-family: inherit; font-size: inherit; }
    button { cursor: pointer; border: 0; background: none; }
    h1, h2, h3, h4 { font-family: var(--serif); font-weight: 700; color: var(--ink); line-height: 1.28; margin: 0 0 .4em; }
    h1 { font-size: 42px; }
    h2 { font-size: 30px; }
    h3 { font-size: 21px; }
    p { margin: 0 0 .95em; }
    ul { margin: 0; padding: 0; list-style: none; }
    :focus-visible { outline: 2px solid var(--copper); outline-offset: 3px; }
    .skip {
      position: absolute; left: -999px; top: 0;
      background: var(--copper); color: var(--void); padding: 8px 16px; z-index: 1000;
    }
    .skip:focus { left: 12px; top: 12px; }
    .container { width: min(100% - 40px, var(--container)); margin: 0 auto; }
    .rule {
      width: 48px; height: 2px; background: var(--copper); margin: 0 0 22px;
    }
    .rule.ink { background: var(--ink); }
    .rule.center { margin-left: auto; margin-right: auto; }
    .eyebrow {
      display: inline-flex; align-items: center; gap: 8px;
      color: var(--copper-deep); letter-spacing: .12em; font-size: 12px; font-weight: 600;
      text-transform: none; margin-bottom: 12px;
    }
    .badge {
      display: inline-flex; align-items: center; gap: 6px;
      border: 1px solid var(--jade); color: var(--ink); background: rgba(62, 140, 122, .08);
      font-size: 12px; padding: 2px 10px; border-radius: 99px; line-height: 1.7;
    }
    .badge.copper { border-color: var(--copper); background: rgba(176, 141, 87, .12); }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 44px; padding: 10px 22px; border-radius: var(--radius-btn);
      font-weight: 600; letter-spacing: .02em; transition: .2s ease;
      border: 1px solid transparent;
    }
    .btn-primary { background: var(--copper); color: var(--void); }
    .btn-primary:hover { background: var(--copper-deep); color: #fff; }
    .btn-primary:active { transform: translateY(1px); }
    .btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
    .btn-ghost:hover { background: var(--ink); color: var(--paper); }
    .btn-light { background: var(--paper); color: var(--ink); }
    .btn-light:hover { background: #fff; }
    .btn-block { width: 100%; }

    .site-header {
      position: sticky; top: 0; z-index: 80; background: var(--warm);
      border-bottom: 1px solid var(--line);
      transition: box-shadow .2s ease;
    }
    .site-header.is-stuck { box-shadow: var(--shadow); }
    .topbar {
      height: var(--top-h); background: var(--ink); color: #E7E1D4;
      font-size: 12px; display: flex; align-items: center;
      overflow: hidden; transition: height .25s ease, opacity .25s ease;
    }
    .site-header.is-compact .topbar { height: 0; opacity: 0; }
    .topbar-inner {
      width: min(100% - 40px, var(--container)); margin: 0 auto;
      display: flex; justify-content: space-between; gap: 16px; align-items: center;
    }
    .topbar a { color: #E7E1D4; }
    .topbar a:hover { color: var(--copper); }
    .topbar-left, .topbar-right { display: flex; gap: 22px; align-items: center; flex-wrap: wrap; }
    .navbar {
      height: var(--nav-h); display: flex; align-items: center;
    }
    .navbar-inner {
      width: min(100% - 40px, var(--container)); margin: 0 auto;
      display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 24px;
    }
    .logo {
      display: flex; align-items: center; gap: 10px; color: var(--ink); font-family: var(--serif);
      font-weight: 700; font-size: 18px; letter-spacing: .04em; white-space: nowrap;
    }
    .logo-mark { width: 32px; height: 32px; flex: none; }
    .nav-links { display: flex; justify-content: center; gap: 4px; }
    .nav-links a {
      position: relative; padding: 8px 12px; color: var(--muted); font-size: 15px; font-weight: 500;
    }
    .nav-links a:hover { color: var(--ink); }
    .nav-links a.is-active { color: var(--ink); }
    .nav-links a.is-active::after {
      content: ""; position: absolute; left: 12px; right: 12px; bottom: 2px;
      height: 2px; background: var(--copper);
    }
    .nav-cta { display: flex; align-items: center; }
    .menu-toggle {
      display: none; width: 44px; height: 44px; align-items: center; justify-content: center;
      border: 1px solid var(--line); border-radius: var(--radius-btn);
    }
    .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 {
      position: fixed; inset: 0 0 0 auto; width: min(80%, 360px); background: var(--warm);
      z-index: 90; transform: translateX(100%); transition: transform .28s ease;
      box-shadow: -12px 0 40px rgba(18,24,26,.12); padding: 28px 22px;
      display: flex; flex-direction: column; gap: 8px;
    }
    .drawer.is-open { transform: translateX(0); }
    .drawer a {
      min-height: 44px; display: flex; align-items: center; padding: 8px 10px;
      border-bottom: 1px solid var(--line); color: var(--ink); font-weight: 500;
    }
    .drawer-close { align-self: flex-end; min-width: 44px; min-height: 44px; font-size: 22px; color: var(--ink); }
    .scrim {
      position: fixed; inset: 0; background: rgba(18,24,26,.46); z-index: 85;
      opacity: 0; pointer-events: none; transition: opacity .28s ease;
    }
    .scrim.is-on { opacity: 1; pointer-events: auto; }

    .hero {
      position: relative; min-height: calc(100vh - var(--nav-h) - var(--top-h));
      display: flex; align-items: stretch; overflow: hidden; background: var(--void); color: #F4F0E8;
    }
    .hero-bg {
      position: absolute; inset: 0; background-size: cover; background-position: center;
      transform: scale(1.04); transition: opacity .6s ease;
      opacity: 0;
    }
    .hero-bg.is-on { opacity: 1; }
    .hero::after {
      content: ""; position: absolute; inset: 0;
      background: linear-gradient(90deg, rgba(18,24,26,.82) 0%, rgba(18,24,26,.55) 48%, rgba(18,24,26,.28) 100%);
    }
    .hero-grid {
      position: relative; z-index: 2; width: min(100% - 40px, var(--container));
      margin: 0 auto; display: grid; grid-template-columns: 1.15fr .85fr; gap: 48px;
      padding: 72px 0 64px; align-items: center;
    }
    .hero h1 { color: #FAF7F2; font-size: 44px; max-width: 15em; }
    .hero .lead { color: #E4DDD0; font-size: 16px; max-width: 38em; margin-bottom: 28px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 28px; }
    .trust {
      display: flex; flex-wrap: wrap; gap: 10px 22px; color: #C9C0B1; font-size: 13px;
    }
    .trust b { color: var(--copper); font-weight: 600; }
    .hero-stage { position: relative; }
    .hero-feature {
      background: rgba(250,247,242,.94); color: var(--text); border-radius: 8px;
      overflow: hidden; box-shadow: var(--shadow); min-height: 420px; display: none;
    }
    .hero-feature.is-on { display: block; }
    .hero-feature img { width: 100%; height: 240px; object-fit: cover; }
    .hero-feature-body { padding: 18px 20px 22px; }
    .hero-feature-body h3 { font-size: 20px; margin-bottom: 8px; }
    .hero-feature-body p { color: var(--muted); margin: 0; font-size: 14px; }
    .hero-pager {
      display: flex; align-items: center; gap: 14px; margin-top: 16px; color: #E7E1D4; font-size: 13px;
    }
    .pager-btn {
      color: #B7AFA2; min-width: 32px; min-height: 32px; font-variant-numeric: tabular-nums; font-weight: 600;
    }
    .pager-btn.is-on { color: var(--copper); }
    .progress { flex: 1; height: 2px; background: rgba(217,210,197,.25); position: relative; overflow: hidden; }
    .progress > i {
      display: block; height: 100%; width: 0; background: var(--copper);
      animation: none;
    }
    .progress > i.run { animation: grow 6.2s linear; }
    @keyframes grow { from { width: 0; } to { width: 100%; } }

    section { padding: var(--pad-y) 0; }
    .sec-head { max-width: 720px; margin-bottom: 48px; }
    .sec-head.wide { max-width: 820px; }
    .sec-head p { color: var(--muted); }

    .band { background: var(--ink); color: #EFE8DC; padding: 42px 0; }
    .kpi-grid {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
    }
    .kpi { border-left: 1px solid rgba(176,141,87,.45); padding: 6px 0 6px 22px; }
    .kpi strong {
      display: block; font-family: var(--serif); font-size: 36px; color: #FAF7F2; line-height: 1.1;
    }
    .kpi span { color: #C9C0B1; font-size: 13px; }
    .kpi em { font-style: normal; color: var(--copper); font-size: 16px; margin-left: 4px; }

    .paper { background: var(--paper); }
    .warm { background: var(--warm); }

    .split {
      display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center;
    }
    .split-copy p { color: var(--muted); }
    .facts {
      display: grid; grid-template-columns: 1fr 1fr; gap: 12px 18px; margin-top: 22px;
    }
    .fact {
      border-top: 1px solid var(--line); padding-top: 10px;
    }
    .fact b { display: block; color: var(--ink); font-size: 14px; }
    .fact span { color: var(--muted); font-size: 13px; }
    .frame {
      position: relative; border-radius: 8px; overflow: hidden; box-shadow: var(--shadow);
    }
    .frame img { width: 100%; height: 460px; object-fit: cover; }
    .frame figcaption {
      position: absolute; left: 16px; bottom: 16px; background: rgba(18,24,26,.78);
      color: #F4F0E8; font-size: 12px; padding: 6px 10px; border-radius: 4px;
    }

    .cap-layout { display: grid; grid-template-columns: 240px 1fr; gap: 40px; align-items: start; }
    .cap-nav { position: sticky; top: 96px; display: flex; flex-direction: column; gap: 6px; }
    .cap-nav button {
      text-align: left; padding: 14px 16px; min-height: 48px; border-radius: var(--radius);
      color: var(--muted); border: 1px solid transparent; font-weight: 600;
    }
    .cap-nav button.is-on {
      color: var(--ink); background: #fff; border-color: var(--line);
      box-shadow: var(--shadow); border-left: 3px solid var(--copper);
    }
    .cap-panel { display: none; background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 28px; min-height: 340px; }
    .cap-panel.is-on { display: grid; grid-template-columns: 1.1fr .9fr; gap: 28px; }
    .cap-panel h3 { margin-bottom: 8px; }
    .cap-list { display: grid; gap: 10px; margin-top: 16px; }
    .cap-list li {
      display: grid; grid-template-columns: 22px 1fr; gap: 10px; color: var(--muted); font-size: 15px;
    }
    .cap-list svg { margin-top: 6px; }
    .mini-board {
      background: var(--paper); border: 1px dashed var(--line); border-radius: 6px; padding: 16px;
      display: grid; gap: 8px;
    }
    .mini-board i {
      display: block; height: 28px; background: rgba(31,61,58,.08); border-left: 3px solid var(--jade);
      font-style: normal; font-size: 12px; color: var(--ink); padding: 4px 10px;
    }
    .mini-board i:nth-child(2) { margin-left: 12px; border-left-color: var(--copper); width: 86%; }
    .mini-board i:nth-child(3) { margin-left: 24px; width: 74%; }
    .mini-board i:nth-child(4) { margin-left: 12px; width: 80%; border-left-color: var(--ink); }

    .method-grid {
      display: grid; grid-template-columns: repeat(3, 1fr);
      border-top: 1px solid var(--line); border-left: 1px solid var(--line);
      background:
        repeating-linear-gradient(0deg, transparent, transparent 23px, rgba(31,61,58,.025) 24px);
    }
    .method-card {
      padding: 28px 24px 32px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line);
      background: transparent; min-height: 230px; transition: background .2s ease, transform .2s ease;
    }
    .method-card:hover { background: #fff; transform: translateY(-2px); }
    .method-no { font-family: var(--serif); color: var(--copper); font-size: 20px; margin-bottom: 10px; }
    .method-card p { color: var(--muted); margin: 0; font-size: 15px; }
    .method-ico { width: 28px; height: 28px; margin-bottom: 12px; color: var(--ink); }

    .bento {
      display: grid; grid-template-columns: 1.4fr 1fr 1fr; grid-template-rows: 1fr 1fr auto; gap: 18px;
    }
    .scene {
      position: relative; overflow: hidden; border-radius: 8px; min-height: 210px; color: #FAF7F2;
      isolation: isolate; display: flex; flex-direction: column; justify-content: flex-end; padding: 22px;
    }
    .scene img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
    .scene::after {
      content: ""; position: absolute; inset: 0; z-index: -1;
      background: linear-gradient(180deg, rgba(18,24,26,.05), rgba(18,24,26,.78));
    }
    .scene.big { grid-row: 1 / 3; min-height: 440px; }
    .scene.bar { grid-column: 1 / -1; min-height: 120px; flex-direction: row; align-items: flex-end; justify-content: space-between; gap: 20px; }
    .scene h3 { color: #FAF7F2; font-size: 22px; }
    .scene p { margin: 0; color: #E4DDD0; font-size: 14px; max-width: 42em; }
    .scene .meta { font-size: 12px; color: var(--copper); margin-bottom: 6px; }

    .sol-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
    .sol-card {
      background: #fff; border: 1px solid var(--line); border-radius: 8px; overflow: hidden;
      display: flex; flex-direction: column; box-shadow: var(--shadow); transition: transform .2s ease, border-color .2s ease;
    }
    .sol-card:hover { transform: translateY(-2px); border-color: var(--copper); }
    .sol-card.lift { transform: translateY(-16px); border-color: var(--copper); }
    .sol-card.lift:hover { transform: translateY(-18px); }
    .sol-card img { width: 100%; height: 180px; object-fit: cover; }
    .sol-body { padding: 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
    .sol-body p { color: var(--muted); margin: 0; font-size: 15px; }
    .sol-body .btn { margin-top: auto; }

    .demo { background: var(--void); color: #EFE8DC; }
    .demo h2, .demo .sec-head p { color: #EFE8DC; }
    .demo .sec-head p { color: #C9C0B1; }
    .demo-stage {
      display: grid; grid-template-columns: 1.4fr .8fr; gap: 36px; align-items: center;
    }
    .bezel {
      background: #1A2224; border: 1px solid rgba(176,141,87,.35); border-radius: 10px; padding: 14px 14px 18px;
    }
    .screen { position: relative; overflow: hidden; border-radius: 4px; background: #0E1314; aspect-ratio: 16/10; }
    .screen img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity .4s ease; }
    .screen img.is-on { opacity: 1; }
    .hotspot {
      position: absolute; width: 22px; height: 22px; border-radius: 50%;
      background: var(--jade); color: #fff; font-size: 11px; display: flex; align-items: center; justify-content: center;
      box-shadow: 0 0 0 6px rgba(62,140,122,.25); z-index: 2;
    }
    .hotspot[data-tip]::after {
      content: attr(data-tip); position: absolute; left: 28px; top: 50%; transform: translateY(-50%);
      background: rgba(18,24,26,.92); color: #F4F0E8; white-space: nowrap; padding: 4px 8px; font-size: 12px;
      border-radius: 4px; opacity: 0; pointer-events: none; transition: opacity .2s;
    }
    .hotspot:hover::after, .hotspot:focus-visible::after { opacity: 1; }
    .demo-tabs { display: flex; gap: 8px; margin-top: 12px; }
    .demo-tabs button {
      color: #C9C0B1; border: 1px solid rgba(217,210,197,.2); min-height: 40px; padding: 6px 12px; border-radius: 4px;
    }
    .demo-tabs button.is-on { color: var(--void); background: var(--copper); border-color: var(--copper); }
    .hot-list { display: grid; gap: 14px; }
    .hot-list article {
      border-top: 1px solid rgba(176,141,87,.28); padding-top: 12px;
    }
    .hot-list h3 { color: #FAF7F2; font-size: 18px; }
    .hot-list p { color: #C9C0B1; margin: 0; font-size: 14px; }

    .cases { background: var(--void); color: #EFE8DC; }
    .cases h2 { color: #FAF7F2; }
    .cases-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 48px; }
    .idea { font-family: var(--serif); font-size: 28px; line-height: 1.4; color: #FAF7F2; }
    .idea span { color: var(--copper); }
    .case-row {
      display: grid; grid-template-columns: 140px 1fr auto; gap: 16px; padding: 18px 0;
      border-bottom: 1px solid rgba(176,141,87,.28); align-items: start;
    }
    .case-row b { color: var(--copper); font-size: 13px; letter-spacing: .08em; }
    .case-row h3 { color: #FAF7F2; font-size: 18px; }
    .case-row p { margin: 0; color: #C9C0B1; font-size: 14px; }
    .case-row .num { font-family: var(--serif); color: var(--jade); font-size: 20px; white-space: nowrap; }
    .compare {
      margin-top: 40px; display: grid; grid-template-columns: 1fr 1fr; gap: 18px;
    }
    .compare article {
      border: 1px solid rgba(176,141,87,.3); padding: 20px 22px; border-radius: 0;
    }
    .compare h3 { color: #FAF7F2; font-size: 18px; }
    .compare li { color: #C9C0B1; padding-left: 14px; position: relative; margin: 6px 0; font-size: 14px; }
    .compare li::before { content: ""; width: 6px; height: 6px; background: var(--copper); position: absolute; left: 0; top: 9px; }
    .miles {
      margin-top: 36px; display: grid; grid-template-columns: repeat(5, 1fr); gap: 0;
      border-top: 1px solid rgba(176,141,87,.35);
    }
    .miles li { padding: 18px 14px 0; border-right: 1px solid rgba(176,141,87,.2); }
    .miles strong { display: block; color: var(--copper); font-size: 13px; margin-bottom: 6px; }
    .miles span { color: #C9C0B1; font-size: 13px; }

    .price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
    .price {
      background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 28px 24px;
      display: flex; flex-direction: column; gap: 8px; box-shadow: var(--shadow);
    }
    .price.featured { border-color: var(--copper); background: var(--ink); color: #EFE8DC; transform: translateY(-12px); }
    .price.featured h3, .price.featured .fee { color: #FAF7F2; }
    .price .fee { font-family: var(--serif); font-size: 32px; color: var(--ink); }
    .price .fee small { font-size: 14px; color: var(--muted); font-family: var(--sans); }
    .price.featured .fee small { color: #C9C0B1; }
    .price ul { margin: 12px 0 18px; display: grid; gap: 8px; flex: 1; }
    .price li { color: var(--muted); font-size: 14px; padding-left: 16px; position: relative; }
    .price.featured li { color: #D8D0C3; }
    .price li::before { content: ""; width: 7px; height: 7px; border: 1px solid var(--jade); position: absolute; left: 0; top: 8px; }
    .scope { font-size: 13px; color: var(--copper-deep); }

    .story-grid { display: grid; grid-template-columns: 1.4fr .8fr; gap: 28px; }
    .story-main {
      display: grid; grid-template-columns: 1fr 1fr; background: #fff; border: 1px solid var(--line); border-radius: 8px; overflow: hidden;
    }
    .story-main img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
    .story-main div { padding: 28px; }
    .story-side { display: grid; gap: 18px; }
    .note { background: var(--paper); border-left: 3px solid var(--copper); padding: 18px 18px 16px; }
    .note h3 { font-size: 18px; }
    .note p { margin: 0; color: var(--muted); font-size: 14px; }

    .review-wall {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
    }
    .review {
      background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 18px 18px 16px;
      box-shadow: var(--shadow);
    }
    .review:nth-child(3), .review:nth-child(6) { transform: translateY(14px); }
    .stars { color: var(--copper); letter-spacing: 2px; font-size: 13px; margin-bottom: 8px; }
    .review p { margin: 0 0 12px; color: var(--text); font-size: 14px; }
    .review small { color: var(--muted); font-size: 12px; }

    .voice-list { display: grid; gap: 28px; }
    .voice {
      display: grid; grid-template-columns: 88px 1fr; gap: 22px; padding: 8px 0;
    }
    .voice:nth-child(2) { direction: rtl; }
    .voice:nth-child(2) > * { direction: ltr; }
    .avatar {
      width: 88px; height: 88px; border-radius: 50%; object-fit: cover; border: 2px solid var(--copper);
    }
    .quote {
      font-family: var(--serif); font-size: 22px; line-height: 1.6; color: var(--ink); position: relative;
      padding-left: 28px;
    }
    .quote::before { content: "“"; position: absolute; left: 0; top: -8px; font-size: 42px; color: var(--copper); }
    .who { margin-top: 10px; color: var(--muted); font-size: 13px; font-family: var(--sans); }

    .news-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
    .news {
      background: #fff; border: 1px solid var(--line); border-radius: 8px; overflow: hidden;
      display: flex; flex-direction: column; transition: border-color .2s ease, transform .2s ease;
    }
    .news:hover { border-color: var(--copper); transform: translateY(-2px); }
    .news img { width: 100%; height: 150px; object-fit: cover; }
    .news div { padding: 16px 16px 18px; }
    .news time { color: var(--copper-deep); font-size: 12px; }
    .news h3 { font-size: 18px; margin: 6px 0 8px; }
    .news p { margin: 0; color: var(--muted); font-size: 14px; }
    .more { margin-top: 28px; }

    .faq-layout { display: grid; grid-template-columns: .7fr 1.3fr; gap: 40px; }
    .guarantee { display: grid; gap: 14px; }
    .guarantee li {
      display: grid; grid-template-columns: 36px 1fr; gap: 10px; align-items: start;
      padding-bottom: 12px; border-bottom: 1px solid var(--line);
    }
    .guarantee strong { display: block; color: var(--ink); }
    .guarantee span { color: var(--muted); font-size: 13px; }
    .acc { border-top: 1px solid var(--line); }
    .acc-item { border-bottom: 1px solid var(--line); }
    .acc-btn {
      width: 100%; text-align: left; min-height: 56px; padding: 14px 36px 14px 0;
      font-weight: 600; color: var(--ink); position: relative;
    }
    .acc-btn::after {
      content: "+"; position: absolute; right: 0; top: 14px; color: var(--copper); font-size: 20px;
    }
    .acc-btn.is-on::after { content: "–"; }
    .acc-panel { display: none; color: var(--muted); padding: 0 8px 16px 0; font-size: 15px; }
    .acc-panel.is-on { display: block; }

    .cta {
      position: relative; background: var(--void); color: #EFE8DC; overflow: hidden;
    }
    .cta::before {
      content: ""; position: absolute; inset: 0;
      background: center/cover no-repeat url("/assets/images/4ea3eaed0552dbc1.jpg");
      opacity: .18;
    }
    .cta-grid { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; }
    .cta h2 { color: #FAF7F2; }
    .form {
      background: rgba(250,247,242,.96); color: var(--text); padding: 28px; border-radius: 8px;
    }
    .fields { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 18px; }
    .field { display: flex; flex-direction: column; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    label { font-size: 13px; color: var(--ink); font-weight: 600; }
    input, select, textarea {
      min-height: 44px; border: 0; border-bottom: 1px solid var(--line); background: transparent;
      padding: 8px 2px; color: var(--text); border-radius: 0;
    }
    textarea { min-height: 88px; resize: vertical; }
    input:focus, select:focus, textarea:focus { outline: none; border-bottom-color: var(--copper); }
    .field.error input, .field.error select { border-bottom-color: var(--danger); }
    .err { display: none; color: var(--danger); font-size: 12px; }
    .field.error .err { display: block; }
    .form-msg { display: none; margin-top: 12px; padding: 10px 12px; border-radius: 4px; font-size: 14px; }
    .form-msg.ok { display: block; background: rgba(62,140,122,.12); color: var(--ink); border: 1px solid var(--jade); }
    .form-msg.bad { display: block; background: rgba(166,90,58,.1); color: var(--danger); border: 1px solid var(--danger); }
    .deliver {
      border: 1px solid rgba(176,141,87,.4); padding: 24px; border-radius: 0;
    }
    .deliver h3 { color: #FAF7F2; }
    .deliver li { padding: 8px 0; border-bottom: 1px solid rgba(176,141,87,.2); color: #D8D0C3; font-size: 14px; }
    .deliver .time { margin-top: 16px; color: var(--copper); font-family: var(--serif); }

    .site-footer {
      background: #0E1314; color: #C9C0B1; padding: 56px 0 24px; font-size: 14px;
    }
    .foot-grid { display: grid; grid-template-columns: 1.3fr 1fr 1.1fr .9fr; gap: 32px; margin-bottom: 36px; }
    .site-footer h3 { color: #FAF7F2; font-size: 16px; margin-bottom: 12px; }
    .site-footer a:hover { color: var(--copper); }
    .foot-brand p { max-width: 28em; }
    .copy {
      border-top: 1px solid rgba(217,210,197,.12); padding-top: 16px; display: flex;
      justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 12px; color: #8E877C;
    }
    .floatbar {
      position: fixed; left: 0; right: 0; bottom: 0; z-index: 70;
      background: var(--ink); color: #EFE8DC; display: none;
      border-top: 1px solid rgba(176,141,87,.35);
    }
    .floatbar-inner {
      width: min(100% - 24px, var(--container)); margin: 0 auto;
      display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 56px;
    }
    .floatbar p { margin: 0; font-size: 13px; }

    @media (max-width: 1280px) {
      h1 { font-size: 38px; }
      .hero-grid { gap: 32px; }
    }
    @media (max-width: 1024px) {
      :root { --pad-y: 80px; }
      h1 { font-size: 34px; }
      h2 { font-size: 26px; }
      .navbar-inner { grid-template-columns: auto auto; }
      .nav-links { display: none; }
      .menu-toggle { display: flex; }
      .hero-grid, .split, .cap-layout, .demo-stage, .cases-grid, .story-grid, .faq-layout, .cta-grid {
        grid-template-columns: 1fr;
      }
      .cap-nav { position: static; flex-direction: row; overflow-x: auto; }
      .cap-nav button { white-space: nowrap; }
      .cap-panel.is-on { grid-template-columns: 1fr; }
      .bento { grid-template-columns: 1fr 1fr; }
      .scene.big { grid-row: auto; min-height: 280px; }
      .scene.bar { grid-column: 1 / -1; }
      .sol-card.lift, .price.featured { transform: none; }
      .review-wall { grid-template-columns: repeat(3, 1fr); }
      .news-grid { grid-template-columns: 1fr 1fr; }
      .foot-grid { grid-template-columns: 1fr 1fr; }
      .kpi-grid { grid-template-columns: 1fr 1fr; gap: 18px 12px; }
      .miles { grid-template-columns: 1fr 1fr; }
      .floatbar { display: block; }
      body { padding-bottom: 56px; }
    }
    @media (max-width: 768px) {
      :root { --pad-y: 64px; }
      .topbar-right { display: none; }
      .hero { min-height: 0; }
      .hero-grid { padding: 48px 0 40px; }
      h1 { font-size: 30px; }
      .method-grid { grid-template-columns: 1fr 1fr; }
      .sol-grid, .price-grid, .story-main, .compare { grid-template-columns: 1fr; }
      .bento { grid-template-columns: 1fr; }
      .review-wall { grid-template-columns: 1fr 1fr; }
      .review:nth-child(3), .review:nth-child(6) { transform: none; }
      .fields { grid-template-columns: 1fr; }
      .case-row { grid-template-columns: 1fr; }
      .voice, .voice:nth-child(2) { direction: ltr; grid-template-columns: 64px 1fr; }
      .avatar { width: 64px; height: 64px; }
      .quote { font-size: 18px; }
      .frame img { height: 280px; }
    }
    @media (max-width: 520px) {
      .container, .navbar-inner, .topbar-inner, .hero-grid { width: min(100% - 28px, var(--container)); }
      h1 { font-size: 26px; }
      h2 { font-size: 24px; }
      .method-grid, .review-wall, .news-grid, .kpi-grid, .foot-grid { grid-template-columns: 1fr; }
      .hero-actions .btn, .nav-cta .btn { width: 100%; }
      .navbar-inner { gap: 12px; }
      .logo { font-size: 16px; }
      .copy { flex-direction: column; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { animation: none !important; transition: none !important; }
    }

/* roulang page: index */
:root{
  --c-primary:#1E4A46;
  --c-primary-2:#2A5C57;
  --c-accent:#B56A3A;
  --c-accent-2:#D4894E;
  --c-bg:#F6F1E8;
  --c-frost:#FBFAF7;
  --c-mist:#E7EEEC;
  --c-ink:#162422;
  --c-cream:#F3EFE6;
  --c-text:#1F2422;
  --c-muted:#5C6562;
  --c-line:#D8D1C6;
  --c-white:#FFFdf8;
  --r-card:8px;
  --r-btn:4px;
  --sh:0 8px 24px rgba(22,36,34,.06);
  --sh-h:0 12px 28px rgba(22,36,34,.11);
  --max:1200px;
  --nav-top:38px;
  --nav-main:68px;
  --font-sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-main) + 8px)}
html,body{margin:0;padding:0}
body{
  font-family:var(--font-sans);
  color:var(--c-text);
  background:var(--c-bg);
  line-height:1.8;
  font-size:16px;
  background-image:
    linear-gradient(180deg,rgba(246,241,232,.92),rgba(246,241,232,.92)),
    repeating-linear-gradient(0deg,transparent,transparent 23px,rgba(30,74,70,.018) 24px),
    repeating-linear-gradient(90deg,transparent,transparent 23px,rgba(30,74,70,.018) 24px);
  overflow-x:hidden;
}
body.lock{overflow:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .2s,border-color .2s,background .2s,transform .2s}
a:hover{color:var(--c-accent)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{font-family:var(--font-serif);line-height:1.28;color:var(--c-ink);font-weight:700;margin:0 0 .6em}
p{margin:0 0 .85em}
ul,ol{margin:0;padding:0}
.container{width:min(100% - 40px,var(--max));margin:0 auto}
.skip{position:absolute;left:-999px;top:0}
.skip:focus{left:16px;top:8px;z-index:80;background:#fff;padding:8px 12px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.18em;color:var(--c-primary);
  font-weight:600;margin-bottom:12px;text-transform:none;
}
.kicker::before{content:"";width:18px;height:1.5px;background:var(--c-primary)}
.lead{color:var(--c-muted);font-size:15.5px;line-height:1.8;max-width:40em}
.section{padding:88px 0;position:relative}
.section.alt{background:var(--c-frost)}
.section.mist{background:var(--c-mist)}
.section-head{margin-bottom:36px;max-width:42em}
.section-head h2{font-size:clamp(24px,2.4vw,32px);margin-bottom:12px}
.section-head h2::after{
  content:"";display:block;width:48px;height:2px;background:var(--c-primary);margin-top:14px
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-weight:600;letter-spacing:.04em;line-height:1;transition:.2s;
  border:1.5px solid transparent;
}
.btn-primary{background:var(--c-accent);color:#fff;border-color:var(--c-accent)}
.btn-primary:hover{background:#9d572e;color:#fff;transform:translateY(-1px)}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary);color:#fff}
.btn-light{background:transparent;color:var(--c-cream);border-color:rgba(243,239,230,.55)}
.btn-light:hover{background:rgba(243,239,230,.1);color:#fff}
.btn:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,button:focus-visible,textarea:focus-visible{
  outline:2px solid var(--c-primary);outline-offset:3px
}
.btn-primary:focus-visible{outline-color:var(--c-accent)}
.badge{
  display:inline-flex;align-items:center;min-height:28px;padding:0 10px;
  border:1px solid var(--c-line);background:rgba(246,241,232,.85);
  font-size:12px;color:var(--c-primary);border-radius:2px;letter-spacing:.04em
}
.header{position:relative;z-index:50}
.header-top{
  height:var(--nav-top);background:var(--c-frost);border-bottom:1px solid var(--c-line);
  display:flex;align-items:center;font-size:12px;color:var(--c-muted)
}
.header-top .container{display:flex;justify-content:space-between;align-items:center;gap:16px}
.header-top a{color:var(--c-muted)}
.header-top a:hover{color:var(--c-accent)}
.top-left,.top-right{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.header-main{
  height:var(--nav-main);background:rgba(246,241,232,.96);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);position:sticky;top:0;z-index:60
}
.header-main.is-stuck{box-shadow:var(--sh)}
.header-main .container{display:flex;align-items:center;height:100%;gap:20px}
.logo{display:flex;align-items:center;gap:10px;color:var(--c-ink);flex-shrink:0}
.logo:hover{color:var(--c-primary)}
.logo-mark{width:34px;height:34px;display:grid;place-items:center}
.logo-text{font-family:var(--font-serif);font-weight:700;font-size:18px;letter-spacing:.06em}
.nav-desktop{display:flex;align-items:center;gap:4px;margin:0 auto;list-style:none}
.nav-desktop a{
  display:flex;align-items:center;min-height:44px;padding:0 10px;
  color:var(--c-text);font-size:14px;position:relative
}
.nav-desktop a:hover{color:var(--c-accent)}
.nav-desktop a.is-active{color:var(--c-accent)}
.nav-desktop a.is-active::after,.nav-desktop a:hover::after{
  content:"";position:absolute;left:10px;right:10px;bottom:8px;height:2px;background:var(--c-accent)
}
.nav-cta{margin-left:auto}
.menu-toggle{
  display:none;width:44px;height:44px;margin-left:auto;border:1px solid var(--c-line);
  border-radius:var(--r-btn);align-items:center;justify-content:center;flex-direction:column;gap:5px
}
.menu-toggle span{display:block;width:18px;height:1.5px;background:var(--c-ink)}
.drawer{
  position:fixed;inset:0;background:rgba(22,36,34,.42);z-index:70;opacity:0;pointer-events:none;transition:.2s
}
.drawer.open{opacity:1;pointer-events:auto}
.drawer-panel{
  position:absolute;right:0;top:0;height:100%;width:min(86vw,360px);background:var(--c-bg);
  padding:28px 22px;overflow:auto;transform:translateX(16px);transition:.2s
}
.drawer.open .drawer-panel{transform:none}
.drawer-panel a,.drawer-panel .btn{display:flex;min-height:44px;align-items:center;color:var(--c-text);padding:8px 0;border-bottom:1px solid var(--c-line)}
.drawer-panel .btn{justify-content:center;margin-top:18px;border:1.5px solid var(--c-accent)}
.hero{position:relative;min-height:84vh;color:var(--c-cream);overflow:hidden;background:var(--c-ink)}
.hero-slides{position:relative;min-height:84vh}
.hero-slide{
  position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .7s ease,visibility .7s
}
.hero-slide.is-active{opacity:1;visibility:visible;position:relative}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  transform:scale(1);animation:none
}
.hero-slide.is-active .hero-bg{animation:ken 18s ease-out forwards}
@keyframes ken{from{transform:scale(1)}to{transform:scale(1.06)}}
.hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(22,36,34,.82) 0%,rgba(22,36,34,.62) 48%,rgba(22,36,34,.4) 100%)
}
.hero-grid{
  position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;
  gap:40px;align-items:center;min-height:84vh;padding:92px 0 86px
}
.hero-copy h1,.hero-copy .h-eq{
  font-size:clamp(28px,4vw,46px);color:var(--c-cream);margin-bottom:18px;max-width:14em
}
.hero-copy .lead{color:#d8d3c8;max-width:38em;font-size:16px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-picks{display:grid;gap:12px}
.pick{
  display:grid;grid-template-columns:96px 1fr;gap:14px;align-items:center;
  background:rgba(246,241,232,.12);border:1px solid rgba(216,209,198,.28);
  border-left:3px solid var(--c-accent-2);border-radius:var(--r-card);padding:10px 12px 10px 10px;
  backdrop-filter:blur(6px)
}
.pick img{width:96px;height:70px;object-fit:cover;border-radius:4px}
.pick-kicker{display:block;font-size:11px;letter-spacing:.14em;color:var(--c-accent-2);margin-bottom:4px}
.pick h3{font-size:16px;color:var(--c-cream);margin:0;font-family:var(--font-serif)}
.hero-trust{
  position:relative;z-index:3;border-top:1px solid rgba(216,209,198,.22);
  background:rgba(22,36,34,.55)
}
.hero-trust ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px 28px;padding:10px 0;font-size:12px;color:#d6d0c4;letter-spacing:.06em}
.hero-ctrl{position:absolute;bottom:58px;right:max(20px,calc((100% - var(--max))/2));z-index:4;display:flex;gap:8px;align-items:center}
.hero-ctrl button{
  width:44px;height:44px;border:1px solid rgba(243,239,230,.35);color:var(--c-cream);
  border-radius:var(--r-btn);display:grid;place-items:center
}
.hero-ctrl button:hover{background:rgba(243,239,230,.12)}
.hero-dots{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);z-index:4;display:flex;gap:8px}
.hero-dots button{width:22px;height:44px;display:grid;place-items:center}
.hero-dots button i{display:block;width:8px;height:8px;border-radius:1px;background:rgba(243,239,230,.35)}
.hero-dots button.is-on i{background:var(--c-accent-2);width:18px}
.split{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.split img,.cover{
  width:100%;border-radius:var(--r-card);box-shadow:var(--sh);object-fit:cover;border:1px solid var(--c-line)
}
.caps{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.cap{
  border:1px solid var(--c-line);background:var(--c-frost);padding:10px 14px;border-radius:2px;min-width:140px
}
.cap b{display:block;font-size:20px;color:var(--c-accent);font-variant-numeric:tabular-nums;font-family:var(--font-serif)}
.cap span{font-size:12px;color:var(--c-muted)}
.grid-6{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cap-card{
  background:var(--c-frost);border:1px solid var(--c-line);border-left:3px solid var(--c-primary);
  border-radius:var(--r-card);padding:22px 20px;box-shadow:var(--sh);min-height:100%;transition:.2s
}
.cap-card:hover{transform:translateY(-2px);box-shadow:var(--sh-h)}
.cap-card .ico{width:36px;height:36px;margin-bottom:12px;color:var(--c-primary)}
.cap-card h3{font-size:20px;margin-bottom:8px}
.cap-card p{font-size:14.5px;color:var(--c-muted);line-height:1.75;margin-bottom:12px}
.cap-card a{font-size:13px;font-weight:600;border-bottom:1px solid currentColor}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.plan{
  background:var(--c-frost);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh);display:flex;flex-direction:column;transition:.2s
}
.plan:hover{transform:translateY(-2px);box-shadow:var(--sh-h)}
.plan img{width:100%;aspect-ratio:16/10;object-fit:cover}
.plan-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.plan-body h3{font-size:20px}
.plan-meta{font-size:12px;color:var(--c-accent);letter-spacing:.08em}
.plan-body ul{list-style:none;color:var(--c-muted);font-size:14px}
.plan-body li{padding:4px 0 4px 14px;position:relative}
.plan-body li::before{content:"";width:6px;height:1.5px;background:var(--c-primary);position:absolute;left:0;top:13px}
.scene-box{display:grid;grid-template-columns:280px 1fr;gap:28px;align-items:stretch}
.scene-nav{display:flex;flex-direction:column;gap:8px}
.scene-nav button{
  text-align:left;min-height:48px;padding:10px 14px;border:1px solid var(--c-line);
  background:var(--c-frost);border-radius:var(--r-btn);color:var(--c-text);border-left:3px solid transparent
}
.scene-nav button.is-on,.scene-nav button:hover{
  border-left-color:var(--c-accent);color:var(--c-accent);background:#fff
}
.scene-panel{display:none;background:var(--c-frost);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden}
.scene-panel.is-on{display:grid;grid-template-columns:1.1fr .9fr}
.scene-panel img{width:100%;height:100%;object-fit:cover;min-height:280px}
.scene-copy{padding:28px 26px}
.scene-copy h3{font-size:22px}
.demo-stage{display:grid;grid-template-columns:1.4fr .7fr;gap:18px}
.demo-main{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh)}
.demo-main img{width:100%;aspect-ratio:16/10;object-fit:cover}
.play{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:64px;height:64px;border-radius:50%;border:1.5px solid #fff;color:#fff;
  display:grid;place-items:center;background:rgba(22,36,34,.35)
}
.play:hover{background:var(--c-accent)}
.demo-side{display:grid;gap:12px}
.demo-side img{width:100%;height:118px;object-fit:cover;border-radius:var(--r-card);border:1px solid var(--c-line)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:22px}
.step{background:var(--c-frost);border:1px solid var(--c-line);padding:14px 14px 16px;border-radius:var(--r-card);border-top:3px solid var(--c-primary)}
.step b{display:block;font-family:var(--font-serif);color:var(--c-accent);font-size:13px;letter-spacing:.12em;margin-bottom:6px}
.note-list{margin-top:18px;display:grid;gap:8px}
.note-list li{list-style:none;padding:10px 14px;background:var(--c-mist);border-left:3px solid var(--c-primary);font-size:14.5px;color:var(--c-muted)}
.method{background:var(--c-ink);color:var(--c-cream);padding:92px 0}
.method h2,.method h3{color:var(--c-cream)}
.quote{
  font-family:var(--font-serif);font-size:clamp(24px,3vw,36px);line-height:1.45;max-width:16em;margin-bottom:36px
}
.quote span{display:block;margin-top:14px;font-size:14px;color:var(--c-accent-2);letter-spacing:.16em;font-family:var(--font-sans)}
.method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.method-item{border-top:1px solid rgba(216,209,198,.22);padding-top:18px}
.method-item b{display:block;color:var(--c-accent-2);font-size:12px;letter-spacing:.16em;margin-bottom:8px}
.case-list{display:grid;gap:0;border-top:1px solid var(--c-line)}
.case-row{
  display:grid;grid-template-columns:120px 1fr 180px;gap:16px;align-items:center;
  padding:16px 8px;border-bottom:1px solid var(--c-line)
}
.case-row:hover{background:rgba(231,238,236,.5)}
.case-tag{font-size:12px;color:var(--c-primary);letter-spacing:.1em}
.case-row h3{font-size:18px;margin:0}
.case-metric{font-variant-numeric:tabular-nums;color:var(--c-accent);font-weight:700;text-align:right}
.case-banner{
  margin-top:28px;display:grid;grid-template-columns:1.05fr .95fr;background:var(--c-frost);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden
}
.case-banner img{width:100%;height:100%;object-fit:cover;min-height:260px}
.case-banner .txt{padding:28px}
.case-banner dl{display:grid;gap:10px;margin:16px 0 0}
.case-banner dt{font-size:12px;letter-spacing:.14em;color:var(--c-primary)}
.case-banner dd{margin:0;color:var(--c-muted);font-size:14.5px}
.stats{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.stat{
  background:var(--c-frost);border:1px solid var(--c-line);padding:22px 16px;text-align:left;
  border-top:3px solid var(--c-primary);border-radius:var(--r-card)
}
.stat b{display:block;font-size:34px;font-family:var(--font-serif);color:var(--c-accent);line-height:1.1;font-variant-numeric:tabular-nums}
.stat span{display:block;margin-top:8px;font-size:13px;color:var(--c-muted)}
.stories{display:grid;grid-template-columns:1.2fr .9fr .9fr;gap:18px}
.story{
  background:var(--c-frost);border:1px solid var(--c-line);border-left:3px solid var(--c-primary);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--sh)
}
.story.main{background:var(--c-mist)}
.story p{font-size:15px;color:var(--c-text)}
.who{margin-top:18px;font-size:13px;color:var(--c-muted)}
.who strong{display:block;color:var(--c-ink);font-size:14px}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:stretch}
.price{
  background:var(--c-frost);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 22px;display:flex;flex-direction:column;box-shadow:var(--sh)
}
.price.rec{border:1.5px solid var(--c-accent);transform:translateY(-10px);box-shadow:var(--sh-h);position:relative}
.price .tag{position:absolute;top:-12px;right:16px;background:var(--c-accent);color:#fff;font-size:12px;padding:4px 8px;border-radius:2px}
.price h3{font-size:22px}
.price .yen{font-size:30px;font-family:var(--font-serif);color:var(--c-accent);font-variant-numeric:tabular-nums;margin:6px 0 14px}
.price .yen small{font-size:13px;color:var(--c-muted);font-family:var(--font-sans);margin-left:6px}
.price ul{list-style:none;flex:1;margin-bottom:18px}
.price li{padding:7px 0;border-bottom:1px dashed var(--c-line);font-size:14.5px;color:var(--c-muted)}
.price-note{margin-top:18px;font-size:13.5px;color:var(--c-muted);max-width:48em}
.reviews{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.rev{
  background:var(--c-frost);border:1px solid var(--c-line);padding:16px;border-radius:var(--r-card);font-size:13.5px;color:var(--c-text)
}
.stars{color:var(--c-accent);letter-spacing:2px;font-size:12px;margin-bottom:8px}
.rev footer{margin-top:12px;font-size:12px;color:var(--c-muted)}
.ok{display:inline-block;margin-left:6px;font-size:11px;border:1px solid var(--c-line);padding:0 6px;color:var(--c-primary)}
.rep{
  display:grid;grid-template-columns:1.1fr .9fr;gap:28px;align-items:center;
  background:var(--c-mist);border:1px solid var(--c-line);border-radius:var(--r-card);padding:28px
}
.rep-nums{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:18px 0}
.rep-nums div{border-left:3px solid var(--c-accent);padding-left:12px}
.rep-nums b{display:block;font-size:26px;font-family:var(--font-serif);color:var(--c-accent);font-variant-numeric:tabular-nums}
.rep q{display:block;margin:10px 0 0;font-size:14.5px;color:var(--c-muted)}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.news{
  background:var(--c-frost);border:1px solid var(--c-line);border-left:3px solid var(--c-primary);
  padding:18px 18px 16px;border-radius:var(--r-card)
}
.news time{display:block;font-size:12px;color:var(--c-accent);letter-spacing:.08em;margin-bottom:6px;font-variant-numeric:tabular-nums}
.news h3{font-size:18px;margin-bottom:8px}
.news p{font-size:14.5px;color:var(--c-muted);margin:0}
.more{margin-top:18px}
.faq-list{display:grid;gap:8px}
.faq-item{border:1px solid var(--c-line);background:var(--c-frost);border-radius:var(--r-card);overflow:hidden}
.faq-item button{
  width:100%;text-align:left;min-height:52px;padding:14px 48px 14px 18px;position:relative;
  font-family:var(--font-serif);font-size:17px;color:var(--c-ink);font-weight:700
}
.faq-item button::after{content:"";position:absolute;right:18px;top:50%;width:10px;height:10px;border-right:1.5px solid var(--c-primary);border-bottom:1.5px solid var(--c-primary);transform:translateY(-70%) rotate(45deg);transition:.2s}
.faq-item.open button::after{transform:translateY(-20%) rotate(225deg)}
.faq-item .ans{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-item.open .ans{max-height:220px}
.faq-item .ans p{padding:0 18px 16px;color:var(--c-muted);font-size:14.5px;max-width:42em}
.apply-box{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:start}
.form{
  background:var(--c-frost);border:1px solid var(--c-line);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh)
}
.form-row{margin-bottom:14px}
.form label{display:block;font-size:13px;margin-bottom:6px;color:var(--c-text)}
.form input,.form select,.form textarea{
  width:100%;height:48px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  padding:0 12px;background:#fff;color:var(--c-text)
}
.form input:focus,.form select:focus,.form textarea:focus{border-color:var(--c-primary);outline:none;box-shadow:0 0 0 3px rgba(30,74,70,.12)}
.form-ok{display:none;padding:14px;background:var(--c-mist);border-left:3px solid var(--c-primary);margin-bottom:12px;font-size:14px}
.side-contact{background:var(--c-ink);color:var(--c-cream);padding:28px;border-radius:var(--r-card)}
.side-contact h3{color:var(--c-cream);font-size:22px}
.side-contact p,.side-contact a{color:#d8d3c8}
.side-contact a:hover{color:var(--c-accent-2)}
.side-contact dl{margin:18px 0 0;display:grid;gap:12px}
.side-contact dt{font-size:12px;letter-spacing:.14em;color:var(--c-accent-2)}
.side-contact dd{margin:0}
.footer{background:var(--c-ink);color:#c9c3b8;padding:56px 0 24px;font-size:14px}
.footer a{color:#e7e1d6}
.footer a:hover{color:var(--c-accent-2)}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.1fr;gap:28px;margin-bottom:36px}
.footer h3{color:var(--c-cream);font-size:16px;margin-bottom:12px;font-family:var(--font-sans);letter-spacing:.08em}
.footer .logo-text{color:var(--c-cream);font-size:18px}
.footer ul{list-style:none}
.footer li{margin:6px 0}
.foot-bottom{border-top:1px solid rgba(216,209,198,.18);padding-top:16px;display:flex;flex-wrap:wrap;gap:10px 22px;justify-content:space-between;font-size:12px}
@media (max-width:1280px){
  .hero-ctrl{right:20px}
}
@media (max-width:1024px){
  .section{padding:72px 0}
  .grid-6,.reviews{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(3,1fr)}
  .stories,.price-grid,.grid-3,.apply-box,.split,.scene-box,.demo-stage,.case-banner,.rep,.foot-grid,.method-grid,.hero-grid{
    grid-template-columns:1fr 1fr
  }
  .hero-grid{gap:24px;padding:80px 0 90px}
  .nav-desktop a{padding:0 7px;font-size:13px}
  .price.rec{transform:none}
  .scene-panel.is-on,.case-banner,.demo-stage,.rep,.apply-box,.split{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .header-top .top-right,.header-top .hours{display:none}
  .nav-desktop,.nav-cta{display:none}
  .menu-toggle{display:flex}
  .hero,.hero-slides,.hero-grid{min-height:100svh}
  .hero-grid{grid-template-columns:1fr;padding:72px 0 96px}
  .pick{grid-template-columns:76px 1fr}
  .section{padding:56px 0}
  .grid-6,.grid-3,.reviews,.news-grid,.stats,.stories,.price-grid,.method-grid,.foot-grid,.steps{
    grid-template-columns:1fr
  }
  .case-row{grid-template-columns:1fr;gap:4px}
  .case-metric{text-align:left}
  .hero-copy h1,.hero-copy .h-eq{font-size:30px}
  .container{width:min(100% - 28px,var(--max))}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%}
  .stats{grid-template-columns:1fr 1fr}
  .cap{min-width:calc(50% - 6px)}
  .logo-text{font-size:16px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}