/* roulang page: index */
:root {
      --p: #2F6FAE;
      --p-d: #1E4E7A;
      --p-s: #E8F1F8;
      --wood: #C4A574;
      --wood-d: #A88955;
      --stone: #8A929C;
      --char: #243140;
      --text: #2C333A;
      --muted: #5C6670;
      --bg: #F6F8FB;
      --card: #FFFFFF;
      --line: #E6EBF1;
      --input: #D7DEE7;
      --dark: #1B2836;
      --dark-2: #243447;
      --near: #F4F7FA;
      --r: 12px;
      --r2: 10px;
      --rb: 8px;
      --shadow: 0 10px 28px rgba(36, 49, 64, .08);
      --shadow-h: 0 16px 36px rgba(36, 49, 64, .12);
      --w: 1180px;
      --nav: 72px;
      --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    html, body { margin: 0; padding: 0; }
    body {
      font-family: var(--font);
      color: var(--text);
      background: var(--bg);
      line-height: 1.7;
      font-size: 16px;
      overflow-x: hidden;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--p); text-decoration: none; transition: color .2s ease, opacity .2s ease; }
    a:hover { color: var(--p-d); }
    a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
      outline: 2px solid var(--p);
      outline-offset: 2px;
    }
    button, input, select, textarea { font-family: inherit; }
    button { cursor: pointer; }
    h1, h2, h3, h4 { color: var(--char); letter-spacing: .04em; line-height: 1.35; margin: 0 0 .6em; font-weight: 700; }
    p { margin: 0 0 1em; }
    ul { margin: 0; padding: 0; list-style: none; }
    .container { width: min(var(--w), calc(100% - 48px)); margin: 0 auto; }
    .skip {
      position: absolute; left: -999px; top: 8px;
    }
    .skip:focus { left: 12px; background: #fff; padding: 8px 12px; z-index: 80; }

    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 44px; padding: 0 20px; border-radius: var(--rb);
      font-size: 15px; font-weight: 600; letter-spacing: .04em;
      border: 1px solid transparent; transition: .2s ease;
      text-align: center; white-space: nowrap;
    }
    .btn-primary { background: var(--p); color: #fff; }
    .btn-primary:hover, .btn-primary:active {
      background: var(--p-d); color: #fff;
      box-shadow: 0 0 0 1px var(--wood);
      transform: translateY(-1px);
    }
    .btn-ghost { background: transparent; color: var(--p); border-color: var(--p); }
    .btn-ghost:hover, .btn-ghost:active {
      background: var(--p-s); color: var(--p-d);
      box-shadow: 0 0 0 1px var(--wood);
    }
    .btn-light { background: #fff; color: var(--p-d); }
    .btn-light:hover { box-shadow: 0 0 0 1px var(--wood); color: var(--p-d); }
    .btn-line { background: transparent; color: #fff; border-color: rgba(255,255,255,.7); }
    .btn-line:hover { background: rgba(255,255,255,.08); color: #fff; box-shadow: 0 0 0 1px var(--wood); }
    .btn-sm { min-height: 36px; padding: 0 14px; font-size: 13px; }
    .btn-block { width: 100%; }

    .badge {
      display: inline-flex; align-items: center; gap: 6px;
      padding: 4px 10px; border-radius: 999px;
      background: rgba(196, 165, 116, .14); color: var(--wood-d);
      font-size: 12px; letter-spacing: .06em;
    }
    .tag {
      display: inline-block; padding: 4px 10px; border-radius: 999px;
      background: var(--p-s); color: var(--p-d); font-size: 12px;
    }

    .site-header { position: relative; z-index: 40; }
    .topbar {
      background: #F0F5FA; color: var(--muted); font-size: 13px;
      border-bottom: 1px solid var(--line);
    }
    .topbar-inner {
      display: flex; align-items: center; gap: 18px;
      min-height: 40px; flex-wrap: wrap;
    }
    .topbar a { color: var(--p-d); font-weight: 600; }
    .topbar .dot { width: 4px; height: 4px; border-radius: 50%; background: var(--wood); display: inline-block; }
    .topbar-tags { display: flex; gap: 8px; flex-wrap: wrap; }
    .topbar-tags span {
      border: 1px solid #D5E2EE; padding: 2px 8px; border-radius: 999px; color: var(--stone); background: #fff;
    }
    .topbar-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }

    .nav-main {
      background: #fff; box-shadow: 0 8px 20px rgba(36, 49, 64, .05);
      position: sticky; top: 0; z-index: 39;
    }
    .nav-inner {
      display: flex; align-items: center; gap: 18px; min-height: var(--nav);
    }
    .logo {
      display: flex; flex-direction: column; justify-content: center;
      color: var(--char); line-height: 1.15; min-width: 128px;
    }
    .logo:hover { color: var(--p-d); }
    .logo-mark { font-size: 12px; color: var(--p); letter-spacing: .18em; font-weight: 600; }
    .logo-name { font-size: 18px; font-weight: 700; letter-spacing: .08em; }
    .nav-links { display: flex; align-items: center; gap: 4px; margin-left: auto; }
    .nav-links a {
      color: var(--char); font-size: 14px; padding: 8px 10px; position: relative; font-weight: 500;
    }
    .nav-links a:hover { color: var(--p); }
    .nav-links a.is-active { color: var(--p); font-weight: 700; }
    .nav-links a.is-active::after, .nav-links a:hover::after {
      content: ""; position: absolute; left: 10px; right: 10px; bottom: 2px; height: 2px; background: var(--p);
    }
    .nav-cta { margin-left: 8px; }
    .menu-toggle {
      display: none; width: 44px; height: 44px; border: 1px solid var(--line); background: #fff; border-radius: var(--rb);
      align-items: center; justify-content: center; flex-direction: column; gap: 5px;
    }
    .menu-toggle span { width: 18px; height: 2px; background: var(--char); display: block; }

    .hero { position: relative; background: var(--char); color: #fff; }
    .hero-stage { position: relative; min-height: 640px; overflow: hidden; }
    .slides { position: absolute; inset: 0; }
    .slide { position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .6s ease; }
    .slide.is-on { opacity: 1; visibility: visible; z-index: 1; }
    .ba { position: absolute; inset: 0; user-select: none; }
    .ba img { width: 100%; height: 100%; object-fit: cover; }
    .ba-after, .ba-before { position: absolute; inset: 0; }
    .ba-before { width: 50%; overflow: hidden; border-right: 2px solid #fff; }
    .ba-before img { width: 100vw; max-width: none; height: 100%; object-fit: cover; }
    .ba-range {
      position: absolute; left: 0; right: 0; bottom: 18%; width: 100%; z-index: 4;
      appearance: none; background: transparent; height: 44px; margin: 0; cursor: ew-resize;
    }
    .ba-range::-webkit-slider-thumb { appearance: none; width: 44px; height: 44px; background: transparent; border: 0; }
    .ba-handle {
      position: absolute; top: 0; bottom: 0; left: 50%; width: 2px; background: #fff; z-index: 3; pointer-events: none;
    }
    .ba-handle::after {
      content: "⇄"; position: absolute; top: 46%; left: 50%; transform: translate(-50%, -50%);
      width: 36px; height: 36px; border-radius: 50%; background: #fff; color: var(--p-d);
      display: flex; align-items: center; justify-content: center; font-size: 14px; box-shadow: var(--shadow);
    }
    .ba-label {
      position: absolute; top: 18px; z-index: 4; font-size: 12px; letter-spacing: .12em;
      background: rgba(27, 40, 54, .72); color: #fff; padding: 6px 10px; border-radius: 6px;
    }
    .ba-label.l { left: 16px; }
    .ba-label.r { right: 16px; }
    .hero-mask {
      position: absolute; inset: 0; z-index: 2; pointer-events: none;
      background: linear-gradient(90deg, rgba(27, 40, 54, .78) 0%, rgba(27, 40, 54, .42) 46%, rgba(27, 40, 54, .18) 100%);
    }
    .hero-copy {
      position: relative; z-index: 5; min-height: 640px;
      display: grid; grid-template-columns: minmax(0, 1.15fr) 300px; gap: 32px; align-items: center;
      padding: 72px 0 88px;
    }
    .eyebrow { display: inline-flex; align-items: center; gap: 8px; color: #E8D7B8; font-size: 13px; letter-spacing: .16em; margin-bottom: 14px; }
    .hero h1 { color: #fff; font-size: 40px; letter-spacing: .08em; max-width: 16em; }
    .hero-lead { color: #E7EDF3; font-size: 15px; max-width: 38em; margin-bottom: 28px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .hero-panel {
      background: rgba(255, 255, 255, .12); border: 1px solid rgba(255, 255, 255, .22);
      backdrop-filter: blur(10px); border-radius: var(--r); padding: 20px 20px 16px; color: #fff;
    }
    .hero-panel h3 { color: #fff; font-size: 16px; margin-bottom: 12px; }
    .hero-panel li {
      display: flex; justify-content: space-between; gap: 12px; font-size: 13px;
      padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,.12); color: #E7EDF3;
    }
    .hero-panel li span { color: #fff; font-weight: 600; }
    .hero-panel li:last-child { border-bottom: 0; }
    .arrows {
      position: absolute; inset: 0 8px 0; z-index: 6; display: flex; justify-content: space-between; align-items: center; pointer-events: none;
    }
    .arrows button {
      pointer-events: auto; width: 44px; height: 44px; border-radius: 50%; border: 1px solid rgba(255,255,255,.35);
      background: rgba(27,40,54,.45); color: #fff; font-size: 20px;
    }
    .arrows button:hover { background: var(--p); }
    .dots { position: absolute; left: 0; right: 0; bottom: 22px; z-index: 6; display: flex; justify-content: center; gap: 8px; }
    .dots button { width: 8px; height: 8px; border-radius: 50%; border: 0; background: rgba(255,255,255,.4); padding: 0; }
    .dots button.is-on { width: 22px; border-radius: 8px; background: var(--p); }

    .sell {
      background: #EEF3F8; padding: 28px 0; border-bottom: 1px solid var(--line);
    }
    .sell-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .sell-item {
      display: grid; grid-template-columns: 44px 1fr; gap: 12px; align-items: start;
      padding: 8px 4px;
    }
    .sell-ico {
      width: 44px; height: 44px; border-radius: 10px; background: #fff; color: var(--p);
      display: grid; place-items: center; box-shadow: var(--shadow);
    }
    .sell-item h3 { font-size: 16px; margin: 0 0 4px; }
    .sell-item p { margin: 0; font-size: 13px; color: var(--muted); }

    main section { scroll-margin-top: 86px; }
    .sec { padding: 96px 0; }
    .sec-alt { background: #fff; }
    .sec-head { max-width: 720px; margin-bottom: 36px; }
    .sec-head.wide { max-width: none; display: flex; justify-content: space-between; gap: 24px; align-items: end; }
    .kicker { color: var(--p); font-size: 13px; letter-spacing: .16em; margin-bottom: 8px; font-weight: 600; }
    .sec-head h2 { font-size: 30px; }
    .sec-head p { color: var(--muted); font-size: 15px; margin: 0; }

    .split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
    .split-fig { position: relative; }
    .split-fig img { width: 100%; height: 460px; object-fit: cover; border-radius: 14px; box-shadow: var(--shadow); }
    .split-fig .float-note {
      position: absolute; left: 18px; bottom: 18px; background: #fff; border-radius: 10px; padding: 12px 14px;
      box-shadow: var(--shadow); font-size: 13px; max-width: 230px;
    }
    .split-fig .float-note b { color: var(--p); }
    .badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 24px; }
    .check-list { display: grid; gap: 10px; margin: 16px 0 24px; }
    .check-list li { display: grid; grid-template-columns: 18px 1fr; gap: 8px; font-size: 14px; color: var(--text); }
    .check-list i {
      width: 18px; height: 18px; border-radius: 50%; background: rgba(196,165,116,.2); color: var(--wood-d);
      display: grid; place-items: center; font-style: normal; font-size: 12px; margin-top: 3px;
    }

    .bento {
      display: grid; grid-template-columns: 1.25fr 1fr 1fr; grid-template-rows: 260px 220px; gap: 16px;
    }
    .bento a {
      position: relative; overflow: hidden; border-radius: 14px; color: #fff; display: block; min-height: 180px;
      box-shadow: var(--shadow);
    }
    .bento a img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.02); transition: .35s ease; }
    .bento a:hover img { transform: scale(1.07); }
    .bento a:hover { transform: translateY(-3px); box-shadow: var(--shadow-h); }
    .bento-1 { grid-column: 1; grid-row: 1 / 3; }
    .bento-cap {
      position: absolute; inset: auto 0 0; padding: 18px;
      background: linear-gradient(180deg, transparent, rgba(27,40,54,.82));
    }
    .bento-cap .no { font-size: 12px; letter-spacing: .14em; color: var(--wood); }
    .bento-cap h3 { color: #fff; font-size: 20px; margin: 4px 0; }
    .bento-cap p { margin: 0; font-size: 13px; color: #D5DEE6; }

    .craft-grid {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px 18px;
    }
    .craft-card {
      background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 22px 22px 18px;
      box-shadow: var(--shadow); transition: .25s ease;
    }
    .craft-card:nth-child(2), .craft-card:nth-child(5) { transform: translateY(18px); }
    .craft-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-h); border-color: #C9D8E8; }
    .craft-card:nth-child(2):hover, .craft-card:nth-child(5):hover { transform: translateY(14px); }
    .craft-ico { width: 40px; height: 40px; color: var(--p); margin-bottom: 12px; }
    .craft-card h3 { font-size: 18px; }
    .craft-card li { font-size: 14px; color: var(--muted); padding: 6px 0 6px 14px; position: relative; }
    .craft-card li::before { content: ""; position: absolute; left: 0; top: 14px; width: 6px; height: 6px; border-radius: 50%; background: var(--wood); }

    .plan-grid {
      display: grid; grid-template-columns: 1.35fr 1fr; grid-template-rows: auto auto; gap: 16px;
    }
    .plan-card {
      background: #fff; border-radius: 14px; overflow: hidden; box-shadow: var(--shadow);
      display: flex; flex-direction: column; transition: .25s ease; border: 1px solid transparent;
    }
    .plan-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-h); }
    .plan-main { grid-row: 1 / 3; }
    .plan-card img { width: 100%; height: 180px; object-fit: cover; }
    .plan-main img { height: 280px; }
    .plan-body { padding: 20px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
    .plan-body h3 { font-size: 20px; }
    .plan-body p { font-size: 14px; color: var(--muted); margin: 0; }
    .meta { font-size: 12px; color: var(--stone); display: flex; gap: 12px; flex-wrap: wrap; }
    .price { color: var(--p); font-weight: 700; font-size: 20px; letter-spacing: .02em; }
    .price small { font-size: 12px; color: var(--stone); font-weight: 500; }
    .plan-body .btn { margin-top: auto; align-self: flex-start; }

    .dark {
      background: var(--dark); color: #E8EEF4; padding: 96px 0; position: relative; overflow: hidden;
    }
    .dark::before {
      content: ""; position: absolute; inset: 0; opacity: .18; pointer-events: none;
      background-image: linear-gradient(rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.08) 1px, transparent 1px);
      background-size: 42px 42px;
    }
    .dark-bg {
      position: absolute; inset: 0; background-size: cover; background-position: center; opacity: .22;
    }
    .dark-grid { position: relative; display: grid; grid-template-columns: .85fr 1.15fr; gap: 40px; align-items: center; }
    .dark h2 { color: #fff; font-size: 30px; }
    .dark p { color: #C5D0DA; }
    .case-slice { display: grid; gap: 12px; }
    .case-item {
      display: grid; grid-template-columns: 132px 1fr auto; gap: 14px; align-items: center;
      background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.08); border-radius: 12px; padding: 10px;
      color: #fff; transition: .2s ease;
    }
    .case-item:hover { transform: translateY(-3px); background: rgba(255,255,255,.07); }
    .case-item img { width: 132px; height: 88px; object-fit: cover; border-radius: 8px; }
    .case-item h3 { color: #fff; font-size: 16px; margin: 0 0 4px; }
    .case-item p { margin: 0; font-size: 12px; color: #B7C4D0; }
    .case-item .go { color: var(--wood); font-size: 13px; }

    .compare-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 0; border-radius: 14px; overflow: hidden; box-shadow: var(--shadow); }
    .cmp { padding: 28px 28px 12px; }
    .cmp-left { background: #F3F5F8; }
    .cmp-right { background: #fff; border-left: 1px solid var(--line); }
    .cmp h3 { font-size: 18px; }
    .cmp-row {
      display: grid; grid-template-columns: 72px 1fr; gap: 10px; padding: 14px 0;
      border-top: 1px solid var(--line); font-size: 14px;
    }
    .cmp-row b { color: var(--p); font-size: 13px; font-weight: 600; }
    .cmp-left .cmp-row b { color: var(--stone); }

    .timeline { display: grid; gap: 28px; position: relative; }
    .timeline::before {
      content: ""; position: absolute; left: 50%; top: 0; bottom: 0; width: 2px; background: var(--line);
    }
    .story {
      width: calc(50% - 28px); background: #fff; border-radius: 14px; box-shadow: var(--shadow);
      overflow: hidden; display: grid; grid-template-columns: 160px 1fr; transition: .25s ease;
    }
    .story:hover { transform: translateY(-4px); box-shadow: var(--shadow-h); }
    .story:nth-child(odd) { margin-right: auto; }
    .story:nth-child(even) { margin-left: auto; }
    .story img { width: 160px; height: 100%; object-fit: cover; }
    .story-body { padding: 18px 18px 16px; }
    .story h3 { font-size: 18px; }
    .story p { font-size: 14px; color: var(--muted); margin: 0; }

    .stats {
      background: var(--p-s); padding: 36px 0; border-top: 1px solid #D7E4F0; border-bottom: 1px solid #D7E4F0;
    }
    .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
    .stat {
      background: #fff; border: 1px solid #D7E4F0; border-radius: 12px; padding: 18px; text-align: center;
    }
    .stat b { display: block; font-size: 36px; color: var(--p); letter-spacing: .02em; line-height: 1.1; }
    .stat span { font-size: 13px; color: var(--stone); }

    .review-grid { display: grid; grid-template-columns: 1fr .9fr 1fr; gap: 18px; align-items: start; }
    .review {
      background: #fff; border-radius: 14px; box-shadow: var(--shadow); padding: 22px; transition: .25s ease;
    }
    .review:hover { transform: translateY(-4px); box-shadow: var(--shadow-h); }
    .review:nth-child(2) { margin-top: 36px; }
    .review:nth-child(3) { margin-top: 12px; }
    .stars { color: var(--wood); letter-spacing: 2px; font-size: 14px; margin-bottom: 8px; }
    .review p { font-size: 14px; color: var(--text); }
    .who { display: flex; align-items: center; gap: 10px; margin-top: 14px; }
    .who img { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; }
    .who strong { display: block; font-size: 14px; }
    .who span { font-size: 12px; color: var(--stone); }

    .steps {
      display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; position: relative;
    }
    .step {
      background: #fff; border-radius: 12px; padding: 18px 14px; box-shadow: var(--shadow); position: relative;
      min-height: 170px;
    }
    .step em {
      display: block; font-style: normal; color: var(--p); font-size: 12px; letter-spacing: .12em; margin-bottom: 8px;
    }
    .step h3 { font-size: 16px; }
    .step p { font-size: 13px; color: var(--muted); margin: 0; }

    .mat { display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; }
    .mat-collage { display: grid; grid-template-columns: 1.2fr .8fr; gap: 10px; }
    .mat-collage img { width: 100%; height: 220px; object-fit: cover; border-radius: 12px; }
    .mat-collage img:first-child { grid-row: 1 / 3; height: 450px; }
    .mat-collage img:nth-child(2), .mat-collage img:nth-child(3) { height: 220px; }
    .accept { background: #fff; border-radius: 14px; box-shadow: var(--shadow); padding: 24px; }
    .accept h3 { font-size: 18px; }
    .accept li {
      display: flex; gap: 10px; padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 14px;
    }
    .accept li:last-child { border-bottom: 0; }
    .accept b { color: var(--p); min-width: 72px; }

    .news-top { display: flex; justify-content: space-between; gap: 16px; align-items: end; margin-bottom: 28px; }
    .chips { display: flex; flex-wrap: wrap; gap: 8px; }
    .chips a {
      border: 1px solid var(--line); background: #fff; color: var(--char); border-radius: 999px; padding: 6px 12px; font-size: 12px;
    }
    .chips a:hover { border-color: var(--p); color: var(--p); }
    .news-grid {
      display: grid; grid-template-columns: 1.3fr 1fr 1fr; grid-template-rows: auto auto; gap: 16px;
    }
    .news-card {
      background: #fff; border-radius: 14px; overflow: hidden; box-shadow: var(--shadow); color: inherit; display: flex; flex-direction: column;
      transition: .25s ease;
    }
    .news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-h); color: inherit; }
    .news-card:first-child { grid-row: 1 / 3; }
    .news-card img { width: 100%; height: 140px; object-fit: cover; }
    .news-card:first-child img { height: 260px; }
    .news-card div { padding: 16px 16px 18px; }
    .news-card h3 { font-size: 18px; }
    .news-card p { font-size: 14px; color: var(--muted); margin: 0; }
    .news-card time { font-size: 12px; color: var(--stone); display: block; margin-bottom: 6px; }
    .more-link { font-size: 14px; font-weight: 600; align-self: center; }

    .faq-list { display: grid; gap: 10px; }
    .faq-item { background: #fff; border-radius: 12px; border: 1px solid var(--line); overflow: hidden; }
    .faq-item button {
      width: 100%; min-height: 56px; text-align: left; background: #fff; border: 0;
      padding: 0 48px 0 18px; font-size: 16px; font-weight: 600; color: var(--char); position: relative;
    }
    .faq-item button::after {
      content: "+"; position: absolute; right: 18px; top: 50%; transform: translateY(-50%); color: var(--p); font-size: 20px;
    }
    .faq-item.is-open button { color: var(--p); }
    .faq-item.is-open button::after { content: "–"; }
    .faq-item .ans { display: none; background: #F4F7FA; padding: 0 18px 16px; font-size: 14px; color: var(--muted); }
    .faq-item.is-open .ans { display: block; }

    .guard { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 40px; }
    .guard-item {
      background: #fff; border-radius: 12px; padding: 18px; box-shadow: var(--shadow); display: grid; grid-template-columns: 36px 1fr; gap: 10px;
    }
    .guard-item strong { display: block; font-size: 15px; }
    .guard-item span { font-size: 13px; color: var(--muted); }
    .g-ico { width: 36px; height: 36px; border-radius: 8px; background: rgba(196,165,116,.16); color: var(--wood-d); display: grid; place-items: center; font-weight: 700; }

    .form-box {
      background: #fff; border-radius: 14px; box-shadow: var(--shadow); padding: 32px;
      display: grid; grid-template-columns: .8fr 1.2fr; gap: 32px;
    }
    .form-box h2 { font-size: 28px; }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .field { display: flex; flex-direction: column; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    .field label { font-size: 13px; color: var(--char); font-weight: 600; }
    .field input, .field select {
      height: 46px; border: 1px solid var(--input); border-radius: 8px; padding: 0 12px; background: #fff; color: var(--text);
    }
    .field input:focus, .field select:focus { border-color: var(--p); box-shadow: 0 0 0 3px rgba(47,111,174,.18); outline: none; }
    .form-note { font-size: 12px; color: var(--stone); margin: 4px 0 0; }
    .form-ok {
      display: none; background: #E8F6EE; color: #1F6B3A; border-radius: 8px; padding: 12px 14px; font-size: 14px; margin-bottom: 10px;
    }
    .form-ok.show { display: block; }
    .err { color: #B42318; font-size: 12px; min-height: 16px; }

    .site-footer {
      background: #161F29; color: #C5D0DA; padding: 56px 0 28px; font-size: 14px;
    }
    .foot-grid { display: grid; grid-template-columns: 1.3fr 1fr 1.1fr 1fr; gap: 28px; margin-bottom: 36px; }
    .site-footer h3 { color: #fff; font-size: 16px; }
    .site-footer .logo-name { color: #fff; }
    .site-footer a { color: #C5D0DA; }
    .site-footer a:hover { color: #fff; }
    .foot-links { display: grid; gap: 8px; }
    .copy { border-top: 1px solid rgba(255,255,255,.08); padding-top: 16px; font-size: 12px; color: #8A929C; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }

    .floatbar {
      position: fixed; left: 0; right: 0; bottom: 0; z-index: 50;
      background: #fff; border-top: 1px solid var(--line); box-shadow: 0 -8px 24px rgba(36,49,64,.08);
      transform: translateY(110%); transition: transform .28s ease; padding: 10px 0;
    }
    .floatbar.show { transform: none; }
    .floatbar.hide { transform: translateY(110%); }
    .float-inner { display: flex; align-items: center; gap: 16px; }
    .float-inner p { margin: 0; font-size: 14px; font-weight: 600; color: var(--char); }
    .float-inner .btn { margin-left: auto; }
    .float-tel { font-weight: 700; color: var(--p); }

    @media (max-width: 1440px) {
      :root { --w: 1160px; }
    }
    @media (max-width: 1024px) {
      .hero h1 { font-size: 32px; }
      .hero-copy { grid-template-columns: 1fr 260px; min-height: 560px; }
      .hero-stage, .hero-copy { min-height: 560px; }
      .bento { grid-template-columns: 1fr 1fr; grid-template-rows: 240px 200px 200px; }
      .bento-1 { grid-column: 1 / 3; grid-row: 1; }
      .craft-grid { grid-template-columns: 1fr 1fr; }
      .craft-card:nth-child(2), .craft-card:nth-child(5) { transform: none; }
      .plan-grid { grid-template-columns: 1fr 1fr; }
      .plan-main { grid-column: 1 / 3; grid-row: auto; }
      .dark-grid, .split, .mat, .form-box { grid-template-columns: 1fr; }
      .timeline::before { left: 12px; }
      .story { width: 100%; margin: 0 0 0 28px !important; }
      .stats-grid, .guard { grid-template-columns: 1fr 1fr; }
      .review-grid, .news-grid { grid-template-columns: 1fr 1fr; }
      .news-card:first-child { grid-row: auto; }
      .steps { grid-template-columns: 1fr 1fr 1fr; }
      .foot-grid { grid-template-columns: 1fr 1fr; }
      .nav-links a { padding: 8px 7px; font-size: 13px; }
      .sec { padding: 72px 0; }
      .dark { padding: 72px 0; }
    }
    @media (max-width: 768px) {
      .container { width: calc(100% - 32px); }
      .topbar-tags { display: none; }
      .menu-toggle { display: inline-flex; margin-left: auto; }
      .nav-cta { display: none; }
      .nav-links {
        position: fixed; top: 112px; right: 0; width: min(82vw, 320px); height: calc(100vh - 112px);
        background: #fff; flex-direction: column; align-items: stretch; gap: 0; padding: 12px;
        box-shadow: -12px 0 30px rgba(36,49,64,.12); transform: translateX(105%); transition: .25s ease;
      }
      .nav-links.open { transform: none; }
      .nav-links a { padding: 14px 12px; border-bottom: 1px solid var(--line); }
      .nav-links a::after { display: none; }
      .hero-copy { display: block; min-height: 0; padding: 24px 0 36px; }
      .hero-stage { min-height: 0; }
      .slides { position: relative; height: 280px; }
      .hero-mask { display: none; }
      .hero { background: var(--char); }
      .hero h1 { font-size: 26px; color: #fff; }
      .hero-panel { margin-top: 18px; }
      .arrows { display: none; }
      .sell-grid { grid-template-columns: 1fr; }
      .split-fig img, .mat-collage img:first-child { height: 260px; }
      .bento { grid-template-columns: 1fr; grid-template-rows: none; }
      .bento-1 { grid-column: auto; }
      .bento a { height: 220px; }
      .craft-grid, .plan-grid, .compare-wrap, .stats-grid, .review-grid, .news-grid, .steps, .guard, .form-grid, .mat-collage {
        grid-template-columns: 1fr;
      }
      .plan-main { grid-column: auto; }
      .review:nth-child(2), .review:nth-child(3) { margin-top: 0; }
      .case-item { grid-template-columns: 96px 1fr; }
      .case-item .go { display: none; }
      .story { grid-template-columns: 1fr; margin-left: 0 !important; }
      .story img { width: 100%; height: 180px; }
      .sec-head.wide, .news-top { display: block; }
      .sec { padding: 56px 0; }
      .dark { padding: 56px 0; }
      .form-box { padding: 20px; }
      .foot-grid { grid-template-columns: 1fr; }
      .float-inner p { display: none; }
      .float-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
      .float-inner .btn, .float-inner .float-tel { margin: 0; width: 100%; min-height: 44px; display: inline-flex; align-items: center; justify-content: center; }
      .ba-range { bottom: 8%; }
    }
    @media (max-width: 520px) {
      .hero h1 { font-size: 22px; }
      .sec-head h2, .dark h2, .form-box h2 { font-size: 24px; }
      .topbar-inner { font-size: 12px; gap: 8px; }
      .slides { height: 240px; }
      .stat b { font-size: 28px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { transition: none !important; animation: none !important; }
    }

/* roulang page: index */
:root {
      --c-primary: #2F6FAE;
      --c-primary-dark: #1E4E7A;
      --c-primary-soft: rgba(47, 111, 174, .08);
      --c-wood: #C4A574;
      --c-wood-soft: rgba(196, 165, 116, .16);
      --c-stone: #8A929C;
      --c-ink: #243140;
      --c-text: #2C333A;
      --c-bg: #F6F8FB;
      --c-card: #FFFFFF;
      --c-line: #E6EBF1;
      --c-form: #D7DEE7;
      --c-dark: #1B2836;
      --c-dark-2: #223445;
      --c-white: #FFFFFF;
      --radius-card: 12px;
      --radius-btn: 8px;
      --shadow: 0 10px 28px rgba(36, 49, 64, .08);
      --shadow-hover: 0 16px 36px rgba(36, 49, 64, .12);
      --container: 1180px;
      --space: 104px;
      --nav-h: 72px;
      --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      --ease: .22s ease;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    html, body { margin: 0; padding: 0; }
    body {
      font-family: var(--font);
      color: var(--c-text);
      background: var(--c-bg);
      line-height: 1.7;
      font-size: 16px;
      overflow-x: hidden;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--c-primary); text-decoration: none; transition: color var(--ease); }
    a:hover { color: var(--c-primary-dark); }
    a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
      outline: 2px solid var(--c-primary);
      outline-offset: 2px;
    }
    button, input, select, textarea { font-family: inherit; }
    button { cursor: pointer; }
    h1, h2, h3, h4 { color: var(--c-ink); letter-spacing: .04em; line-height: 1.28; margin: 0 0 .6em; font-weight: 650; }
    p { margin: 0 0 1em; }
    ul { margin: 0; padding: 0; list-style: none; }
    .container { width: min(var(--container), calc(100% - 48px)); margin: 0 auto; }
    .skip { position: absolute; left: -999px; }
    .site-header { position: relative; z-index: 80; }
    .topbar {
      background: rgba(47, 111, 174, .06);
      border-bottom: 1px solid var(--c-line);
      font-size: 13px;
      color: var(--c-ink);
    }
    .topbar-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      min-height: 40px;
      flex-wrap: wrap;
    }
    .topbar-left, .topbar-tags { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
    .topbar a.tel { color: var(--c-ink); font-weight: 600; }
    .topbar a.tel:hover { color: var(--c-primary); }
    .tag {
      display: inline-flex;
      align-items: center;
      height: 24px;
      padding: 0 8px;
      border: 1px solid var(--c-line);
      border-radius: 6px;
      color: var(--c-stone);
      background: #fff;
      font-size: 12px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 0 18px;
      border-radius: var(--radius-btn);
      border: 1px solid transparent;
      font-size: 14px;
      font-weight: 600;
      letter-spacing: .04em;
      transition: background var(--ease), color var(--ease), box-shadow var(--ease), transform var(--ease), border-color var(--ease);
      text-align: center;
    }
    .btn-primary { background: var(--c-primary); color: #fff; }
    .btn-primary:hover, .btn-primary:active {
      background: var(--c-primary-dark);
      color: #fff;
      box-shadow: inset 0 0 0 1px var(--c-wood);
    }
    .btn-ghost {
      background: transparent;
      color: var(--c-primary-dark);
      border-color: var(--c-primary);
    }
    .btn-ghost:hover, .btn-ghost:active {
      background: var(--c-primary-soft);
      box-shadow: inset 0 0 0 1px var(--c-wood);
      color: var(--c-primary-dark);
    }
    .btn-light { background: #fff; color: var(--c-primary-dark); }
    .btn-light:hover { box-shadow: inset 0 0 0 1px var(--c-wood); color: var(--c-primary-dark); }
    .btn-line-white {
      background: transparent;
      color: #fff;
      border-color: rgba(255,255,255,.7);
    }
    .btn-line-white:hover { background: rgba(255,255,255,.08); color: #fff; box-shadow: inset 0 0 0 1px var(--c-wood); }
    .btn-sm { min-height: 34px; padding: 0 12px; font-size: 13px; }
    .nav-main {
      background: #fff;
      box-shadow: 0 8px 20px rgba(36, 49, 64, .05);
      position: sticky;
      top: 0;
      z-index: 90;
    }
    .nav-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 20px;
      min-height: var(--nav-h);
    }
    .logo {
      display: flex;
      flex-direction: column;
      line-height: 1.15;
      color: var(--c-ink);
      min-width: 132px;
    }
    .logo:hover { color: var(--c-primary-dark); }
    .logo-mark { font-size: 12px; color: var(--c-stone); letter-spacing: .18em; }
    .logo-name { font-size: 18px; font-weight: 700; letter-spacing: .08em; }
    .nav-links { display: flex; align-items: center; gap: 4px; }
    .nav-links a {
      position: relative;
      color: var(--c-ink);
      font-size: 14px;
      padding: 10px 12px;
      font-weight: 500;
    }
    .nav-links a:hover { color: var(--c-primary); }
    .nav-links a.active { color: var(--c-primary); font-weight: 700; }
    .nav-links a.active::after {
      content: "";
      position: absolute;
      left: 12px;
      right: 12px;
      bottom: 4px;
      height: 2px;
      background: var(--c-primary);
      border-radius: 2px;
    }
    .nav-cta { display: flex; align-items: center; gap: 10px; }
    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border: 1px solid var(--c-line);
      background: #fff;
      border-radius: 8px;
      align-items: center;
      justify-content: center;
      flex-direction: column;
      gap: 5px;
    }
    .menu-toggle span { display: block; width: 18px; height: 2px; background: var(--c-ink); }
    .mobile-panel {
      display: none;
      background: #fff;
      border-top: 1px solid var(--c-line);
      padding: 12px 24px 20px;
    }
    .mobile-panel.open { display: block; }
    .mobile-panel a {
      display: block;
      padding: 12px 0;
      min-height: 44px;
      color: var(--c-ink);
      border-bottom: 1px solid var(--c-line);
    }
    .mobile-meta { font-size: 13px; color: var(--c-stone); padding: 12px 0; }
    .hero { position: relative; background: #eef3f8; }
    .hero-slider { position: relative; min-height: 640px; overflow: hidden; }
    .hero-slide {
      position: absolute;
      inset: 0;
      opacity: 0;
      pointer-events: none;
      transition: opacity .55s ease;
    }
    .hero-slide.is-active { opacity: 1; pointer-events: auto; z-index: 1; }
    .hero-compare { display: grid; grid-template-columns: 1fr 1fr; height: 100%; }
    .hero-pane { position: relative; overflow: hidden; }
    .hero-pane img { width: 100%; height: 100%; object-fit: cover; }
    .hero-pane .label {
      position: absolute;
      left: 16px;
      bottom: 16px;
      z-index: 2;
      background: rgba(27, 40, 54, .72);
      color: #fff;
      font-size: 12px;
      letter-spacing: .12em;
      padding: 6px 10px;
      border-radius: 6px;
    }
    .hero-after .label { left: auto; right: 16px; background: var(--c-primary); }
    .hero-split {
      position: absolute;
      top: 0; bottom: 0; left: 50%;
      width: 1px;
      background: rgba(255,255,255,.7);
      z-index: 3;
    }
    .hero-mask {
      position: absolute;
      inset: 0;
      z-index: 4;
      background: linear-gradient(90deg, rgba(246,248,251,.9) 0%, rgba(246,248,251,.78) 38%, rgba(246,248,251,.28) 62%, rgba(246,248,251,.12) 100%);
      pointer-events: none;
    }
    .hero-content {
      position: relative;
      z-index: 5;
      min-height: 640px;
      display: grid;
      grid-template-columns: 1.15fr .85fr;
      gap: 32px;
      align-items: center;
      padding: 56px 0;
    }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--c-primary-dark);
      font-size: 13px;
      letter-spacing: .16em;
      margin-bottom: 14px;
      font-weight: 600;
    }
    .eyebrow::before {
      content: "";
      width: 18px;
      height: 2px;
      background: var(--c-wood);
    }
    .hero h1 { font-size: 40px; margin-bottom: 16px; max-width: 16em; }
    .hero-lead { font-size: 15px; color: var(--c-text); max-width: 36em; margin-bottom: 24px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .measure-card {
      justify-self: end;
      width: min(320px, 100%);
      background: rgba(255,255,255,.92);
      border: 1px solid var(--c-line);
      box-shadow: var(--shadow);
      border-radius: var(--radius-card);
      padding: 22px;
      backdrop-filter: blur(8px);
    }
    .measure-card h3 { font-size: 16px; margin-bottom: 12px; }
    .measure-item {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      padding: 10px 0;
      border-bottom: 1px solid var(--c-line);
      font-size: 14px;
    }
    .measure-item span { color: var(--c-stone); }
    .measure-item b { color: var(--c-primary-dark); font-weight: 650; }
    .hero-nav, .hero-dots {
      position: absolute;
      z-index: 6;
    }
    .hero-nav { top: 50%; transform: translateY(-50%); }
    .hero-prev { left: 18px; }
    .hero-next { right: 18px; }
    .hero-nav button {
      width: 44px; height: 44px; border-radius: 50%;
      border: 1px solid var(--c-line);
      background: rgba(255,255,255,.92);
      color: var(--c-ink);
    }
    .hero-nav button:hover { background: #fff; box-shadow: var(--shadow); }
    .hero-dots {
      left: 0; right: 0; bottom: 18px;
      display: flex; justify-content: center; gap: 8px;
    }
    .hero-dots button {
      width: 8px; height: 8px; border-radius: 50%;
      border: 0; background: rgba(36,49,64,.25);
      padding: 0;
    }
    .hero-dots button.is-on { width: 22px; border-radius: 8px; background: var(--c-primary); }
    .section { padding: var(--space) 0; }
    .section-head { max-width: 760px; margin-bottom: 36px; }
    .section-head h2 { font-size: 30px; }
    .section-head p { color: var(--c-text); font-size: 15px; }
    .kicker { color: var(--c-primary); font-size: 13px; letter-spacing: .14em; font-weight: 650; margin-bottom: 8px; }
    .points {
      background: #fff;
      border-top: 1px solid var(--c-line);
      border-bottom: 1px solid var(--c-line);
      padding: 0;
    }
    .points-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
    }
    .point {
      display: flex;
      gap: 14px;
      align-items: flex-start;
      padding: 28px 8px;
      border-right: 1px solid var(--c-line);
    }
    .point:last-child { border-right: 0; }
    .point-ico {
      width: 44px; height: 44px; flex: 0 0 44px;
      border-radius: 10px;
      background: var(--c-primary-soft);
      color: var(--c-primary-dark);
      display: grid; place-items: center;
    }
    .point h3 { font-size: 16px; margin: 0 0 6px; }
    .point p { margin: 0; font-size: 13px; color: var(--c-stone); }
    .split {
      display: grid;
      grid-template-columns: 1.05fr .95fr;
      gap: 56px;
      align-items: center;
    }
    .split img, .media-frame img {
      width: 100%;
      height: 460px;
      object-fit: cover;
      border-radius: 14px;
      box-shadow: var(--shadow);
    }
    .badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 24px; }
    .badge {
      display: inline-flex;
      align-items: center;
      min-height: 32px;
      padding: 0 12px;
      border-radius: 999px;
      background: var(--c-wood-soft);
      color: #6d542d;
      font-size: 12px;
      letter-spacing: .04em;
    }
    .check-list { display: grid; gap: 10px; }
    .check-list li {
      position: relative;
      padding-left: 26px;
      font-size: 14px;
    }
    .check-list li::before {
      content: "";
      position: absolute;
      left: 0; top: 8px;
      width: 12px; height: 7px;
      border-left: 2px solid var(--c-wood);
      border-bottom: 2px solid var(--c-wood);
      transform: rotate(-45deg);
    }
    .bento {
      display: grid;
      grid-template-columns: 1.4fr 1fr;
      grid-template-rows: 250px 250px;
      gap: 16px;
    }
    .scene {
      position: relative;
      overflow: hidden;
      border-radius: 14px;
      box-shadow: var(--shadow);
      color: #fff;
      display: flex;
      align-items: flex-end;
      min-height: 180px;
    }
    .scene img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
    .scene-wide { grid-row: span 2; }
    .scene::after {
      content: "";
      position: absolute; inset: 0;
      background: linear-gradient(180deg, rgba(27,40,54,0) 30%, rgba(27,40,54,.78) 100%);
    }
    .scene-body { position: relative; z-index: 1; padding: 20px; }
    .scene h3 { color: #fff; font-size: 20px; margin-bottom: 6px; }
    .scene p { color: rgba(255,255,255,.86); font-size: 13px; margin: 0 0 10px; }
    .scene a { color: #fff; font-size: 13px; font-weight: 650; }
    .scene a:hover { color: var(--c-wood); }
    .rec-strip {
      margin-top: 28px;
      display: flex;
      flex-wrap: wrap;
      gap: 10px 18px;
      align-items: center;
      padding: 16px 18px;
      background: #fff;
      border: 1px solid var(--c-line);
      border-radius: 12px;
    }
    .rec-strip strong { color: var(--c-ink); font-size: 14px; }
    .rec-strip a {
      color: var(--c-primary-dark);
      font-size: 14px;
      padding: 8px 12px;
      border: 1px solid var(--c-line);
      border-radius: 8px;
      background: var(--c-bg);
    }
    .rec-strip a:hover { border-color: var(--c-primary); }
    .cards-6 {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
    }
    .adv {
      background: #fff;
      border-radius: 12px;
      padding: 24px;
      box-shadow: var(--shadow);
      border: 1px solid transparent;
      transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
    }
    .adv:nth-child(even) { transform: translateY(12px); }
    .adv:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: #d5e4f3;
    }
    .adv:nth-child(even):hover { transform: translateY(8px); }
    .adv h3 { font-size: 18px; }
    .adv .ico {
      width: 40px; height: 40px; border-radius: 10px;
      display: grid; place-items: center;
      background: var(--c-bg);
      margin-bottom: 14px;
      color: var(--c-primary);
    }
    .adv li {
      font-size: 14px;
      color: var(--c-text);
      padding: 6px 0 6px 14px;
      position: relative;
    }
    .adv li::before {
      content: "";
      width: 5px; height: 5px; border-radius: 50%;
      background: var(--c-wood);
      position: absolute; left: 0; top: 13px;
    }
    .pack-grid {
      display: grid;
      grid-template-columns: 1.35fr .9fr;
      grid-template-rows: auto auto;
      gap: 16px;
    }
    .pack {
      background: #fff;
      border-radius: 14px;
      overflow: hidden;
      box-shadow: var(--shadow);
      display: flex;
      flex-direction: column;
      transition: transform var(--ease), box-shadow var(--ease);
    }
    .pack:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
    .pack-main { grid-row: span 2; }
    .pack img { width: 100%; height: 220px; object-fit: cover; }
    .pack-main img { height: 320px; }
    .pack-body { padding: 22px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
    .pack h3 { font-size: 20px; margin: 0; }
    .pack p { font-size: 14px; margin: 0; color: var(--c-text); }
    .meta { font-size: 12px; color: var(--c-stone); display: flex; gap: 12px; flex-wrap: wrap; }
    .price { color: var(--c-primary); font-weight: 700; font-size: 18px; }
    .share-bar {
      margin-top: 22px;
      display: flex;
      justify-content: space-between;
      gap: 16px;
      align-items: center;
      padding: 18px 22px;
      border-radius: 12px;
      background: var(--c-ink);
      color: #fff;
    }
    .share-bar p { margin: 0; font-size: 14px; color: rgba(255,255,255,.88); }
    .dark-band {
      background: var(--c-dark);
      color: #edf2f6;
      position: relative;
      overflow: hidden;
    }
    .dark-band::before {
      content: "";
      position: absolute; inset: 0;
      background-image:
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
      background-size: 48px 48px;
      opacity: .5;
      pointer-events: none;
    }
    .dark-inner {
      position: relative;
      display: grid;
      grid-template-columns: .8fr 1.2fr;
      gap: 40px;
      align-items: center;
    }
    .dark-band h2 { color: #fff; }
    .dark-band p { color: rgba(237,242,246,.84); }
    .case-slices { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .case-card {
      background: var(--c-dark-2);
      border-radius: 12px;
      overflow: hidden;
      color: #fff;
      border: 1px solid rgba(255,255,255,.06);
      transition: transform var(--ease);
    }
    .case-card:hover { transform: translateY(-4px); }
    .case-card img { height: 150px; width: 100%; object-fit: cover; }
    .case-card div { padding: 14px; }
    .case-card h3 { color: #fff; font-size: 16px; }
    .case-card p, .case-card span { font-size: 12px; color: rgba(255,255,255,.7); }
    .compare-wrap {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 0;
      border-radius: 14px;
      overflow: hidden;
      box-shadow: var(--shadow);
      border: 1px solid var(--c-line);
    }
    .compare-col { padding: 28px 26px; }
    .compare-col:first-child { background: #f3f5f8; }
    .compare-col:last-child { background: #fff; }
    .compare-col h3 { font-size: 18px; }
    .compare-row {
      display: grid;
      grid-template-columns: 92px 1fr;
      gap: 10px;
      padding: 12px 0;
      border-bottom: 1px solid var(--c-line);
      font-size: 14px;
    }
    .compare-row b { color: var(--c-stone); font-weight: 600; }
    .timeline { display: grid; gap: 0; }
    .story {
      display: grid;
      grid-template-columns: 160px 1fr 280px;
      gap: 24px;
      align-items: center;
      padding: 28px 0;
      border-bottom: 1px solid var(--c-line);
    }
    .story:last-child { border-bottom: 0; }
    .story time { color: var(--c-primary); font-weight: 700; letter-spacing: .08em; }
    .story img { width: 100%; height: 160px; object-fit: cover; border-radius: 12px; box-shadow: var(--shadow); }
    .story h3 { font-size: 18px; }
    .story p { font-size: 14px; margin: 0; }
    .stats {
      background: linear-gradient(90deg, rgba(47,111,174,.08), rgba(47,111,174,.03));
      border-top: 1px solid var(--c-line);
      border-bottom: 1px solid var(--c-line);
      padding: 48px 0;
    }
    .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
    .stat {
      background: #fff;
      border: 1px solid var(--c-line);
      border-radius: 12px;
      padding: 22px;
      text-align: left;
    }
    .stat b { display: block; font-size: 36px; color: var(--c-primary); letter-spacing: .02em; line-height: 1.1; }
    .stat span { font-size: 13px; color: var(--c-stone); }
    .reviews { display: grid; grid-template-columns: 1.1fr .9fr 1fr; gap: 18px; align-items: start; }
    .review {
      background: #fff;
      border-radius: 12px;
      box-shadow: var(--shadow);
      padding: 24px;
    }
    .review:nth-child(2) { margin-top: 36px; }
    .review:nth-child(3) { margin-top: 16px; }
    .stars { color: var(--c-wood); letter-spacing: 2px; margin-bottom: 10px; font-size: 14px; }
    .review p { font-size: 14px; }
    .review-user { display: flex; gap: 12px; align-items: center; margin-top: 16px; }
    .review-user img { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; }
    .review-user strong { display: block; font-size: 14px; }
    .review-user span { font-size: 12px; color: var(--c-stone); }
    .steps {
      display: grid;
      grid-template-columns: repeat(6, 1fr);
      gap: 12px;
    }
    .step {
      background: #fff;
      border-radius: 12px;
      padding: 18px 16px;
      box-shadow: var(--shadow);
      position: relative;
    }
    .step em {
      display: block;
      color: var(--c-primary);
      font-style: normal;
      font-size: 12px;
      letter-spacing: .12em;
      margin-bottom: 8px;
    }
    .step h3 { font-size: 16px; }
    .step p { font-size: 13px; color: var(--c-text); margin: 0; }
    .material-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .material-grid img { height: 420px; width: 100%; object-fit: cover; border-radius: 14px; box-shadow: var(--shadow); }
    .accept-list { display: grid; gap: 12px; }
    .accept-item {
      background: #fff;
      border: 1px solid var(--c-line);
      border-radius: 12px;
      padding: 16px 18px;
    }
    .accept-item h3 { font-size: 16px; margin-bottom: 6px; }
    .accept-item p { margin: 0; font-size: 14px; }
    .news-grid {
      display: grid;
      grid-template-columns: 1.3fr 1fr 1fr;
      gap: 16px;
    }
    .news {
      background: #fff;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: var(--shadow);
      display: flex;
      flex-direction: column;
    }
    .news img { height: 180px; width: 100%; object-fit: cover; }
    .news-grid .news:first-child img { height: 260px; }
    .news-body { padding: 18px; }
    .news h3 { font-size: 18px; }
    .news p { font-size: 14px; margin: 0; }
    .more-link { display: inline-block; margin-top: 18px; font-weight: 650; }
    .faq-list { display: grid; gap: 10px; }
    .faq-item { background: #fff; border-radius: 12px; border: 1px solid var(--c-line); overflow: hidden; }
    .faq-item button {
      width: 100%;
      min-height: 56px;
      background: #fff;
      border: 0;
      text-align: left;
      padding: 0 52px 0 20px;
      font-size: 16px;
      font-weight: 650;
      color: var(--c-ink);
      position: relative;
    }
    .faq-item button::after {
      content: "+";
      position: absolute;
      right: 18px; top: 50%;
      transform: translateY(-50%);
      color: var(--c-primary);
      font-size: 22px;
    }
    .faq-item.open button::after { content: "–"; }
    .faq-item .faq-a {
      display: none;
      background: #f4f7fa;
      padding: 4px 20px 18px;
      font-size: 14px;
      color: var(--c-text);
    }
    .faq-item.open .faq-a { display: block; }
    .guard {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 14px;
      margin-bottom: 42px;
    }
    .guard-item {
      background: #fff;
      border-radius: 12px;
      padding: 18px;
      box-shadow: var(--shadow);
      border-top: 3px solid var(--c-wood);
    }
    .guard-item h3 { font-size: 16px; }
    .guard-item p { margin: 0; font-size: 13px; color: var(--c-stone); }
    .form-panel {
      background: #fff;
      border-radius: 14px;
      box-shadow: var(--shadow);
      padding: 36px;
      display: grid;
      grid-template-columns: .85fr 1.15fr;
      gap: 36px;
    }
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .field { display: flex; flex-direction: column; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    label { font-size: 13px; color: var(--c-ink); font-weight: 650; }
    input, select {
      min-height: 46px;
      border: 1px solid var(--c-form);
      border-radius: 8px;
      padding: 0 12px;
      background: #fff;
      color: var(--c-text);
    }
    input:focus, select:focus { border-color: var(--c-primary); box-shadow: 0 0 0 3px rgba(47,111,174,.15); outline: none; }
    .form-note { font-size: 12px; color: var(--c-stone); margin-top: 10px; }
    .form-success {
      display: none;
      margin-top: 12px;
      padding: 12px 14px;
      background: rgba(47,111,174,.08);
      color: var(--c-primary-dark);
      border-radius: 8px;
      font-size: 14px;
    }
    .form-success.show { display: block; }
    .site-footer {
      background: #161f29;
      color: rgba(255,255,255,.78);
      padding: 56px 0 28px;
    }
    .foot-grid {
      display: grid;
      grid-template-columns: 1.3fr .8fr 1fr .9fr;
      gap: 28px;
      padding-bottom: 28px;
      border-bottom: 1px solid rgba(255,255,255,.08);
    }
    .site-footer h3 { color: #fff; font-size: 16px; }
    .site-footer a { color: rgba(255,255,255,.78); }
    .site-footer a:hover { color: #fff; }
    .foot-links { display: grid; gap: 8px; }
    .copyright { padding-top: 18px; font-size: 12px; color: rgba(255,255,255,.5); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
    .float-bar {
      position: fixed;
      left: 0; right: 0; bottom: 0;
      z-index: 70;
      background: rgba(27,40,54,.96);
      color: #fff;
      transform: translateY(110%);
      transition: transform .28s ease;
    }
    .float-bar.show { transform: translateY(0); }
    .float-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      min-height: 64px;
    }
    .float-inner p { margin: 0; font-size: 14px; }
    .float-actions { display: flex; gap: 10px; align-items: center; }
    .float-actions a.tel { color: #fff; font-weight: 700; }
    body.form-focus .float-bar { transform: translateY(110%); }
    @media (max-width: 1440px) {
      .hero h1 { font-size: 36px; }
    }
    @media (max-width: 1024px) {
      :root { --space: 80px; }
      .container { width: min(var(--container), calc(100% - 40px)); }
      .nav-links { display: none; }
      .nav-cta .btn { display: none; }
      .menu-toggle { display: inline-flex; }
      .hero-content, .split, .dark-inner, .material-grid, .form-panel, .story, .foot-grid {
        grid-template-columns: 1fr;
      }
      .hero-slider, .hero-content { min-height: 0; }
      .hero-content { padding-top: 36px; }
      .measure-card { justify-self: start; }
      .cards-6, .stats-grid, .reviews, .steps, .news-grid, .guard, .case-slices { grid-template-columns: 1fr 1fr; }
      .pack-grid { grid-template-columns: 1fr; }
      .pack-main { grid-row: auto; }
      .bento { grid-template-columns: 1fr 1fr; grid-template-rows: 220px 220px; }
      .scene-wide { grid-row: span 1; }
      .adv:nth-child(even), .adv:nth-child(even):hover { transform: none; }
      .hero-nav { display: none; }
      .story img { height: 220px; }
    }
    @media (max-width: 768px) {
      :root { --space: 64px; }
      .topbar { display: none; }
      .hero-compare { min-height: 240px; }
      .hero h1 { font-size: 28px; }
      .points-grid, .cards-6, .stats-grid, .reviews, .steps, .news-grid, .guard, .compare-wrap, .case-slices, .bento {
        grid-template-columns: 1fr;
      }
      .point { border-right: 0; border-bottom: 1px solid var(--c-line); }
      .bento { grid-template-rows: none; }
      .share-bar, .float-inner, .copyright { flex-direction: column; align-items: flex-start; }
      .form-grid { grid-template-columns: 1fr; }
      .form-panel { padding: 22px; }
      .steps { gap: 0; }
      .step { border-radius: 0; box-shadow: none; border-left: 2px solid var(--c-primary); margin-left: 8px; }
      .float-bar { padding-bottom: env(safe-area-inset-bottom); }
      .float-actions { width: 100%; }
      .float-actions .btn { flex: 1; }
    }
    @media (max-width: 520px) {
      .container { width: calc(100% - 28px); }
      .hero h1 { font-size: 24px; }
      .section-head h2, .dark-band h2 { font-size: 24px; }
      .split img, .material-grid img { height: 240px; }
      .measure-card, .pack-body, .review { padding: 16px; }
      .logo-name { font-size: 16px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { transition: none !important; animation: none !important; }
    }