/* roulang page: index */
:root {
      --ink: #070E1A;
      --dossier: #0B1C33;
      --ledger: #163A5F;
      --cyan: #3EE0C8;
      --ice: #5B9DFF;
      --seal: #C4A574;
      --text: #E8EEF7;
      --muted: #9AA8BC;
      --line: rgba(62, 224, 200, 0.28);
      --line-soft: rgba(91, 157, 255, 0.22);
      --glass: rgba(12, 32, 58, 0.52);
      --glass-strong: rgba(12, 32, 58, 0.72);
      --glass-border: rgba(62, 224, 200, 0.28);
      --inner-shine: inset 0 1px 0 rgba(255, 255, 255, 0.08);
      --radius-card: 14px;
      --radius-btn: 6px;
      --radius-tag: 4px;
      --shadow-glow: 0 0 18px rgba(62, 224, 200, 0.45);
      --shadow-ice: 0 0 16px rgba(91, 157, 255, 0.35);
      --container: 1240px;
      --space-section: 112px;
      --space-section-m: 68px;
      --header-top: 42px;
      --header-sub: 58px;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 118px; }
    html, body { margin: 0; padding: 0; max-width: 100%; overflow-x: hidden; }
    body {
      font-family: "Noto Sans SC", "Source Han Sans SC", sans-serif;
      font-size: 16px;
      line-height: 1.75;
      color: var(--text);
      background: var(--ink);
      min-height: 100%;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--cyan); text-decoration: none; transition: color .2s ease, opacity .2s ease; }
    a:hover { color: #7ff0de; }
    button, input, select, textarea { font-family: inherit; }
    button { cursor: pointer; }
    h1, h2, h3, h4 {
      font-family: "Noto Serif SC", "Source Han Serif SC", serif;
      font-weight: 700;
      line-height: 1.35;
      color: #f4f7fb;
      margin: 0 0 .6em;
    }
    p { margin: 0 0 1em; }
    ul { margin: 0; padding: 0; list-style: none; }
    :focus-visible {
      outline: 2px solid var(--ice);
      outline-offset: 3px;
    }
    .container {
      width: min(100% - 32px, var(--container));
      margin-inline: auto;
    }
    .skip-link {
      position: absolute; left: 12px; top: -40px; z-index: 100;
      background: var(--cyan); color: #06241e; padding: 8px 12px; border-radius: 4px;
    }
    .skip-link:focus { top: 12px; }
    .site-header {
      position: sticky; top: 0; z-index: 80;
      background: rgba(7, 14, 26, 0.72);
      backdrop-filter: blur(16px) saturate(140%);
      border-bottom: 1px solid rgba(62, 224, 200, 0.16);
    }
    .header-top {
      display: flex; align-items: center; justify-content: space-between; gap: 16px;
      min-height: var(--header-top);
      padding: 6px 0;
      font-size: 13px; color: var(--muted);
      border-bottom: 1px solid rgba(196, 165, 116, 0.18);
    }
    .brand {
      display: flex; align-items: center; gap: 10px; color: #f4f7fb; min-height: 44px;
    }
    .brand-mark {
      width: 28px; height: 28px; border: 1px solid var(--seal); border-radius: 4px;
      display: grid; place-items: center;
      font-family: "Noto Serif SC", serif; font-size: 13px; color: var(--seal); letter-spacing: .04em;
    }
    .brand-name {
      font-family: "Noto Serif SC", serif; font-size: 18px; font-weight: 700; color: #f7fafc; letter-spacing: .04em;
    }
    .header-meta { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
    .header-meta a { color: var(--text); min-height: 44px; display: inline-flex; align-items: center; }
    .header-meta a:hover { color: var(--cyan); }
    .header-sub { min-height: var(--header-sub); display: flex; align-items: center; justify-content: space-between; gap: 12px; }
    .nav-desktop { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
    .nav-desktop a {
      position: relative; color: #c9d6e6; font-size: 14px; padding: 10px 12px; min-height: 44px;
      display: inline-flex; align-items: center;
    }
    .nav-desktop a::after {
      content: ""; position: absolute; left: 12px; right: 12px; bottom: 6px; height: 2px;
      background: var(--cyan); transform: scaleX(0); transform-origin: left; transition: transform .2s ease;
    }
    .nav-desktop a:hover, .nav-desktop a.is-active { color: #fff; }
    .nav-desktop a.is-active::after, .nav-desktop a:hover::after { transform: scaleX(1); }
    .icon-btn, .menu-toggle {
      width: 44px; height: 44px; border: 1px solid var(--line-soft); background: transparent; color: #fff;
      border-radius: var(--radius-btn); display: none; align-items: center; justify-content: center;
    }
    .menu-toggle span, .menu-toggle span::before, .menu-toggle span::after {
      display: block; width: 18px; height: 1.5px; background: #fff; 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; }
    .site-header.is-scrolled .header-top { display: none; }
    .site-header.is-scrolled { background: rgba(7, 14, 26, 0.92); }
    .nav-drawer {
      display: none; position: fixed; inset: 0; z-index: 90;
      background: rgba(7, 14, 26, 0.96); padding: 24px 20px 40px;
    }
    .nav-drawer.is-open { display: flex; flex-direction: column; }
    .nav-drawer a {
      color: #e8eef7; font-size: 20px; min-height: 52px; display: flex; align-items: center;
      border-bottom: 1px solid rgba(91, 157, 255, 0.16);
    }
    .drawer-close {
      align-self: flex-end; width: 44px; height: 44px; border: 1px solid var(--line); background: transparent; color: #fff; border-radius: 6px;
    }
    body.nav-lock { overflow: hidden; }
    .glass {
      background: var(--glass);
      backdrop-filter: blur(16px) saturate(140%);
      border: 1px solid var(--glass-border);
      border-radius: var(--radius-card);
      box-shadow: var(--inner-shine), 0 10px 30px rgba(0, 0, 0, 0.18);
    }
    .glass:hover { border-color: rgba(62, 224, 200, 0.55); transform: translateY(-2px); }
    .glass, .hot-bar, .review-card, .news-item, .faq-item, .story-card, .svc-card {
      transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
    }
    .cadastre {
      background-image:
        linear-gradient(rgba(62, 224, 200, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(62, 224, 200, 0.045) 1px, transparent 1px);
      background-size: 52px 52px;
    }
    .clause-watermark {
      background-image: repeating-linear-gradient(-12deg, transparent, transparent 18px, rgba(91, 157, 255, 0.035) 18px, rgba(91, 157, 255, 0.035) 19px);
    }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 44px; padding: 10px 18px; border-radius: var(--radius-btn);
      font-size: 15px; font-weight: 600; border: 1px solid transparent; transition: .2s ease;
    }
    .btn-glow {
      background: linear-gradient(180deg, #5eead4 0%, #2ec4b0 100%);
      color: #06241e; box-shadow: 0 0 0 rgba(62, 224, 200, 0);
    }
    .btn-glow:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow); color: #041814; }
    .btn-glow:active { transform: translateY(0); }
    .btn-ghost {
      background: transparent; color: #dbe7f8; border-color: rgba(91, 157, 255, 0.55);
    }
    .btn-ghost:hover { border-color: var(--cyan); color: #fff; box-shadow: var(--shadow-ice); transform: translateY(-2px); }
    .badge {
      display: inline-flex; align-items: center; min-height: 28px; padding: 0 8px;
      border: 1px solid rgba(196, 165, 116, 0.55); color: var(--seal); border-radius: var(--radius-tag);
      font-size: 12px; letter-spacing: .08em;
    }
    .badge-ice { border-color: rgba(91, 157, 255, 0.5); color: #9cc2ff; }
    section.block { padding: var(--space-section) 0; position: relative; }
    .block-kicker { color: var(--cyan); font-size: 13px; letter-spacing: .18em; margin-bottom: 10px; }
    .block-title { font-size: clamp(24px, 3vw, 34px); max-width: 22em; }
    .block-lead { max-width: 42em; color: var(--muted); font-size: 15.5px; margin-bottom: 28px; }
    .hero {
      position: relative; min-height: calc(100vh - 100px); min-height: 640px;
      display: flex; align-items: stretch; overflow: hidden;
    }
    .hero-slide {
      position: absolute; inset: 0; opacity: 0; visibility: hidden; transition: opacity .6s ease;
      background-size: cover; background-position: center;
    }
    .hero-slide.is-on { opacity: 1; visibility: visible; z-index: 1; }
    .hero-slide::after {
      content: ""; position: absolute; inset: 0;
      background:
        linear-gradient(90deg, rgba(7, 14, 26, 0.88) 0%, rgba(7, 14, 26, 0.62) 46%, rgba(7, 14, 26, 0.35) 100%),
        linear-gradient(180deg, rgba(7, 14, 26, 0.2), rgba(7, 14, 26, 0.55));
    }
    .hero-inner {
      position: relative; z-index: 2; width: min(100% - 32px, var(--container)); margin: 48px auto;
      display: grid; grid-template-columns: minmax(280px, 520px) 1fr; gap: 32px; align-items: center;
    }
    .dossier-card {
      background: rgba(12, 32, 58, 0.58); backdrop-filter: blur(16px) saturate(140%);
      border: 1px solid var(--glass-border); border-radius: 16px; padding: 28px 26px 24px;
      min-height: 520px; display: flex; flex-direction: column; justify-content: space-between;
      box-shadow: var(--inner-shine);
    }
    .hero h1 { font-size: clamp(28px, 4vw, 40px); margin-bottom: 14px; }
    .hero-copy { color: #c5d2e2; font-size: 15px; line-height: 1.85; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
    .hero-side {
      justify-self: end; align-self: stretch; display: flex; flex-direction: column; justify-content: flex-end; gap: 14px;
    }
    .v-thumbs { display: flex; flex-direction: column; gap: 10px; align-items: flex-end; }
    .v-thumb {
      width: 72px; height: 96px; border-radius: 8px; overflow: hidden; border: 1px solid rgba(62, 224, 200, 0.2);
      opacity: .55; padding: 0; background: #0b1c33;
    }
    .v-thumb img { width: 100%; height: 100%; object-fit: cover; }
    .v-thumb.is-on, .v-thumb:hover { opacity: 1; border-color: var(--cyan); }
    .hero-controls {
      display: flex; gap: 8px; justify-content: flex-end;
    }
    .hero-controls button {
      width: 44px; height: 44px; border-radius: 6px; border: 1px solid var(--line-soft);
      background: rgba(12, 32, 58, 0.6); color: #fff;
    }
    .dots { display: flex; gap: 8px; justify-content: flex-end; }
    .dots button {
      width: 10px; height: 10px; border-radius: 50%; border: 0; background: rgba(255,255,255,.28); padding: 0;
    }
    .dots button.is-on { background: var(--cyan); box-shadow: 0 0 8px var(--cyan); }
    .metrics { padding-top: 36px; padding-bottom: 36px; }
    .metric-wall {
      display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px;
      padding: 18px; background: rgba(12, 32, 58, 0.48); border: 1px solid var(--glass-border);
      border-radius: 14px; backdrop-filter: blur(16px) saturate(140%);
    }
    .metric-item { padding: 10px 8px; border-left: 1px solid rgba(91, 157, 255, 0.18); }
    .metric-item:first-child { border-left: 0; }
    .metric-num {
      font-variant-numeric: tabular-nums; font-size: 28px; font-weight: 700; color: var(--cyan);
      letter-spacing: .02em; line-height: 1.2;
    }
    .metric-unit { font-size: 12px; color: #9cc2ff; margin-left: 4px; }
    .metric-label { font-size: 13px; color: var(--muted); margin-top: 4px; }
    .split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 36px; align-items: center; }
    .split-img {
      border-radius: 14px; overflow: hidden; border: 1px solid var(--glass-border); min-height: 360px;
    }
    .split-img img { width: 100%; height: 100%; object-fit: cover; min-height: 360px; }
    .clause-list { display: grid; gap: 10px; }
    .clause-list li {
      display: grid; grid-template-columns: 52px 1fr; gap: 10px; color: #d5deea; font-size: 14.5px;
      padding-bottom: 10px; border-bottom: 1px dashed rgba(91, 157, 255, 0.16);
    }
    .clause-no { color: var(--seal); font-family: "Noto Serif SC", serif; }
    .bento {
      display: grid; grid-template-columns: repeat(6, 1fr); gap: 16px;
    }
    .svc-card {
      background: rgba(12, 32, 58, 0.48); backdrop-filter: blur(16px) saturate(140%);
      border: 1px solid var(--glass-border); border-radius: 14px; padding: 22px 20px;
      box-shadow: var(--inner-shine);
    }
    .svc-card:hover { border-color: rgba(62, 224, 200, 0.55); transform: translateY(-2px); }
    .svc-card h3 { font-size: 20px; }
    .svc-card p, .svc-card li { color: #b7c4d4; font-size: 14px; }
    .svc-card ol { margin: 8px 0 14px; padding: 0; list-style: none; display: grid; gap: 6px; }
    .svc-card ol li { padding-left: 1.6em; position: relative; }
    .svc-card ol li::before { position: absolute; left: 0; color: var(--ice); font-size: 12px; }
    .svc-card ol li:nth-child(1)::before { content: "01"; }
    .svc-card ol li:nth-child(2)::before { content: "02"; }
    .svc-card ol li:nth-child(3)::before { content: "03"; }
    .svc-card ol li:nth-child(4)::before { content: "04"; }
    .svc-card ol li:nth-child(5)::before { content: "05"; }
    .c-wide { grid-column: 1 / 4; grid-row: span 2; }
    .c-mid { grid-column: 4 / 7; }
    .c-a { grid-column: 1 / 3; }
    .c-b { grid-column: 3 / 5; }
    .c-c { grid-column: 5 / 7; }
    .link-glow { color: var(--cyan); font-size: 14px; font-weight: 600; min-height: 44px; display: inline-flex; align-items: center; }
    .hot-row { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 12px; margin-top: 16px; }
    .hot-bar {
      display: grid; grid-template-columns: auto 1fr auto; gap: 16px; align-items: center;
      padding: 18px 20px; border-radius: 12px; border: 1px solid var(--glass-border);
      background: rgba(12, 32, 58, 0.55); min-height: 92px;
    }
    .hot-bar strong { font-family: "Noto Serif SC", serif; font-size: 18px; }
    .hot-idx { font-size: 22px; color: var(--seal); font-variant-numeric: tabular-nums; }
    .scene-head { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
    .chip {
      min-height: 44px; padding: 0 14px; border-radius: 6px; border: 1px solid rgba(91, 157, 255, 0.28);
      background: transparent; color: #c9d6e6; font-size: 14px;
    }
    .chip.is-on, .chip:hover { border-color: var(--cyan); color: #fff; box-shadow: inset 0 -2px 0 var(--cyan); }
    .scene-stage {
      display: grid; grid-template-columns: 1.4fr .8fr; gap: 18px;
    }
    .scene-copy { padding: 24px; min-height: 280px; }
    .rank-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
    .rank-table th, .rank-table td { padding: 10px 8px; text-align: left; border-bottom: 1px solid rgba(91, 157, 255, 0.16); }
    .rank-table th { color: var(--seal); font-weight: 600; }
    .compare-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0; overflow: hidden; border-radius: 14px; border: 1px solid var(--glass-border); }
    .compare-grid div { padding: 16px 14px; font-size: 14.5px; color: #c9d4e2; border-bottom: 1px solid rgba(91, 157, 255, 0.12); }
    .compare-grid .hd { background: rgba(22, 58, 95, 0.55); color: #fff; font-family: "Noto Serif SC", serif; }
    .compare-grid .col-a { background: rgba(12, 32, 58, 0.35); }
    .compare-grid .col-b { background: rgba(12, 32, 58, 0.55); }
    .cases {
      background: #050b14; padding: 108px 0;
    }
    .cases::before {
      content: ""; position: absolute; inset: 0; background:
        linear-gradient(180deg, rgba(5, 11, 20, 0.82), rgba(5, 11, 20, 0.88)),
        url("/assets/images/43250469e19cd54a.jpg") center/cover no-repeat;
      opacity: .55; pointer-events: none;
    }
    .case-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .case-card { padding: 22px; }
    .case-card h3 { font-size: 18px; }
    .case-meta { display: grid; gap: 8px; color: #b9c6d6; font-size: 14px; }
    .quote-bar {
      position: relative; z-index: 1; margin-top: 28px; padding: 18px 18px 18px 72px;
      border-left: 3px solid var(--seal); background: rgba(12, 32, 58, 0.5);
    }
    .seal-stamp {
      position: absolute; left: 14px; top: 50%; transform: translateY(-50%) rotate(-12deg);
      width: 44px; height: 44px; border: 2px solid var(--seal); border-radius: 50%;
      display: grid; place-items: center; color: var(--seal); font-size: 11px; letter-spacing: .1em;
    }
    .timeline {
      display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; position: relative;
    }
    .timeline::before {
      content: ""; position: absolute; left: 8%; right: 8%; top: 28px; height: 1px; background: rgba(62, 224, 200, 0.28);
    }
    .node {
      background: transparent; border: 0; color: inherit; text-align: left; padding: 0; min-height: 44px;
    }
    .node-dot {
      width: 16px; height: 16px; border-radius: 50%; background: var(--dossier); border: 2px solid var(--cyan);
      margin-bottom: 12px; position: relative; z-index: 1;
    }
    .node.is-on .node-dot { background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
    .node h3 { font-size: 16px; }
    .node p { font-size: 13px; color: var(--muted); display: none; }
    .node.is-on p { display: block; }
    .story-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
    .story-card { overflow: hidden; }
    .story-card img { height: 168px; width: 100%; object-fit: cover; }
    .story-body { padding: 16px 16px 18px; }
    .review-track {
      display: flex; gap: 14px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 8px;
    }
    .review-card {
      flex: 0 0 min(86vw, 360px); scroll-snap-align: start; padding: 18px;
      background: rgba(12, 32, 58, 0.5); border: 1px solid var(--glass-border); border-radius: 14px;
    }
    .stars { color: var(--seal); letter-spacing: 2px; font-size: 14px; }
    .news-list { display: grid; gap: 12px; }
    .news-item {
      display: grid; grid-template-columns: 148px 1fr; gap: 16px; padding: 12px;
      background: rgba(12, 32, 58, 0.42); border: 1px solid var(--glass-border); border-radius: 12px;
    }
    .news-item img { width: 148px; height: 96px; object-fit: cover; border-radius: 8px; }
    .news-item h3 { font-size: 17px; margin-bottom: 6px; }
    .news-item p { font-size: 14px; color: var(--muted); margin: 0; }
    .news-date { font-size: 12px; color: #8aa0bb; }
    .guard-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
    .guard-item { padding: 18px; min-height: 140px; }
    .guard-item h3 { font-size: 17px; }
    .qa-layout { display: grid; grid-template-columns: 180px 1fr; gap: 18px; }
    .qa-item { padding: 14px 0; border-bottom: 1px dashed rgba(91, 157, 255, 0.18); }
    .qa-item strong { display: block; margin-bottom: 6px; }
    .qa-item p { margin: 0; color: #b9c6d6; font-size: 14.5px; }
    .faq-list { display: grid; gap: 10px; }
    .faq-item { border: 1px solid var(--glass-border); border-radius: 12px; background: rgba(12, 32, 58, 0.5); overflow: hidden; }
    .faq-item button {
      width: 100%; text-align: left; background: transparent; color: #f2f6fb; border: 0;
      min-height: 56px; padding: 14px 48px 14px 16px; position: relative; font-size: 16px;
    }
    .faq-item button span.sign {
      position: absolute; right: 16px; top: 50%; transform: translateY(-50%); color: var(--cyan); font-size: 20px;
    }
    .faq-panel { display: none; padding: 0 16px 16px; background: rgba(22, 58, 95, 0.45); color: #c9d6e6; font-size: 14.5px; }
    .faq-item.is-open .faq-panel { display: block; }
    .consult-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 20px; }
    .form-card { padding: 24px; }
    label { display: block; font-size: 13px; color: #c5d0de; margin-bottom: 6px; }
    .field { margin-bottom: 14px; }
    input, select, textarea {
      width: 100%; min-height: 44px; border-radius: 6px; border: 1px solid rgba(91, 157, 255, 0.28);
      background: rgba(7, 14, 26, 0.55); color: #fff; padding: 10px 12px;
    }
    textarea { min-height: 110px; resize: vertical; }
    .field-error { color: #f0b35a; font-size: 12px; min-height: 18px; margin-top: 4px; }
    .form-success {
      display: none; padding: 14px; border: 1px solid var(--cyan); color: #d7fff6; border-radius: 8px; margin-bottom: 12px;
    }
    .side-contact { padding: 24px; }
    .side-contact p { color: #b7c4d4; }
    .cta-bar {
      background: linear-gradient(90deg, #0b1c33, #163a5f 55%, #0b1c33);
      border-block: 1px solid rgba(62, 224, 200, 0.2);
      padding: 28px 0;
    }
    .cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
    .cta-inner h2 { margin: 0; font-size: 22px; }
    .site-footer {
      background: #050910; border-top: 1px solid rgba(196, 165, 116, 0.22); padding: 48px 0 24px; color: #9aa8bc;
    }
    .foot-grid { display: grid; grid-template-columns: 1.3fr .9fr 1.1fr .9fr; gap: 24px; }
    .site-footer h3 { font-size: 16px; color: #e8eef7; }
    .site-footer a { color: #c5d0de; display: inline-flex; min-height: 36px; align-items: center; }
    .foot-copy {
      margin-top: 28px; padding-top: 16px; border-top: 1px solid rgba(196, 165, 116, 0.2);
      font-size: 13px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
    }
    .risk-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 14px; }
    .risk-main { min-height: 220px; padding: 24px; }
    .risk-stack { display: grid; gap: 14px; }
    .pain-list { display: grid; gap: 8px; }
    .pain-list li { padding-left: 1.4em; position: relative; color: #c5d0de; font-size: 14.5px; }
    .pain-list li::before { content: "（" counter(p) "）"; counter-increment: p; position: absolute; left: 0; color: var(--seal); font-size: 12px; }
    .pain-list { counter-reset: p; }
    @media (max-width: 1280px) {
      .metric-wall { grid-template-columns: repeat(3, 1fr); }
      .metric-item:nth-child(4) { border-left: 0; }
    }
    @media (max-width: 1024px) {
      :root { --space-section: 88px; }
      .header-meta span.hide-md { display: none; }
      .hero-inner { grid-template-columns: 1fr; }
      .dossier-card { min-height: auto; }
      .hero-side { flex-direction: row; justify-content: space-between; align-items: flex-end; }
      .v-thumbs { flex-direction: row; }
      .v-thumb { width: 56px; height: 74px; }
      .split, .scene-stage, .consult-grid, .case-grid, .qa-layout { grid-template-columns: 1fr; }
      .bento, .hot-row, .guard-grid, .story-grid { grid-template-columns: 1fr 1fr; }
      .c-wide, .c-mid, .c-a, .c-b, .c-c { grid-column: auto; grid-row: auto; }
      .timeline { grid-template-columns: 1fr 1fr 1fr; }
      .timeline::before { display: none; }
      .foot-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .nav-desktop { display: none; }
      .menu-toggle { display: inline-flex; }
      .header-meta .hide-sm { display: none; }
      .metric-wall { grid-template-columns: 1fr 1fr; }
      .compare-grid { grid-template-columns: 1fr; }
      .news-item { grid-template-columns: 96px 1fr; }
      .news-item img { width: 96px; height: 72px; }
      .qa-layout { grid-template-columns: 1fr; }
      .scene-head { overflow-x: auto; flex-wrap: nowrap; }
    }
    @media (max-width: 520px) {
      :root { --space-section: 60px; }
      .bento, .hot-row, .guard-grid, .story-grid, .risk-grid, .foot-grid, .metric-wall { grid-template-columns: 1fr; }
      .timeline { grid-template-columns: 1fr; }
      .hero { min-height: 560px; }
      .dossier-card { padding: 20px 16px; }
      .cta-inner { flex-direction: column; align-items: flex-start; }
      .brand-name { font-size: 16px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { transition: none !important; animation: none !important; }
    }

/* roulang page: index */
:root {
  --ink: #070E1A;
  --dossier: #0B1C33;
  --ledger: #163A5F;
  --cyan: #3EE0C8;
  --ice: #5B9DFF;
  --seal: #C4A574;
  --text: #E8EEF6;
  --muted: #9BB0C7;
  --glass: rgba(12, 32, 58, 0.52);
  --glass-strong: rgba(12, 32, 58, 0.78);
  --line: rgba(62, 224, 200, 0.28);
  --line-soft: rgba(91, 157, 255, 0.22);
  --radius-card: 14px;
  --radius-btn: 6px;
  --shadow-glow: 0 0 18px rgba(62, 224, 200, 0.4);
  --container: 1220px;
  --section-y: 112px;
  --header-h: 102px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { max-width: 100%; overflow-x: hidden; }
body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: "Noto Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  min-height: 100vh;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font-family: inherit; }
button { cursor: pointer; }
h1, h2, h3, .font-serifcn { font-family: "Noto Serif SC", serif; }
:focus-visible {
  outline: 2px solid var(--ice);
  outline-offset: 2px;
}
.container-site {
  width: min(100% - 32px, var(--container));
  margin-inline: auto;
}
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  border-bottom: 1px solid rgba(196, 165, 116, 0.18);
}
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 42px;
  padding: 6px 0;
  background: rgba(7, 14, 26, 0.82);
  backdrop-filter: blur(16px) saturate(140%);
  transition: min-height .25s ease, padding .25s ease, opacity .25s ease;
}
.brand-mark {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  letter-spacing: 0.08em;
}
.brand-seal {
  width: 18px;
  height: 18px;
  border: 1px solid var(--seal);
  border-radius: 2px;
  position: relative;
  flex: 0 0 auto;
}
.brand-seal::after {
  content: "";
  position: absolute;
  inset: 3px;
  border: 1px solid rgba(196, 165, 116, 0.7);
}
.brand-name {
  font-family: "Noto Serif SC", serif;
  font-weight: 700;
  font-size: 18px;
  color: #F4E7CF;
}
.topbar-meta {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 13px;
}
.topbar-meta a { color: var(--cyan); }
.topbar-meta span { display: inline-flex; align-items: center; gap: 6px; min-height: 44px; }
.nav-row {
  background: rgba(11, 28, 51, 0.72);
  backdrop-filter: blur(16px) saturate(140%);
  transition: background .25s ease;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 60px;
  gap: 12px;
}
.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 6px;
}
.nav-links a {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 12px;
  color: #C9D7E8;
  font-size: 14px;
  border-radius: 4px;
  transition: color .2s ease, background .2s ease;
}
.nav-links a:hover { color: #fff; background: rgba(22, 58, 95, 0.55); }
.nav-links a.is-active { color: var(--cyan); }
.nav-links a.is-active::after {
  content: "";
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 8px;
  height: 2px;
  background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan);
}
.header-compact .topbar { min-height: 0; padding: 0 0; overflow: hidden; max-height: 0; opacity: 0; }
.header-compact .nav-row { background: rgba(7, 14, 26, 0.92); }
.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  background: rgba(12, 32, 58, 0.5);
  color: var(--text);
  border-radius: 6px;
}
.drawer {
  position: fixed;
  inset: 0;
  background: rgba(7, 14, 26, 0.96);
  z-index: 90;
  transform: translateX(100%);
  transition: transform .28s ease;
  padding: 24px 20px 40px;
  overflow-y: auto;
}
.drawer.open { transform: translateX(0); }
.drawer a {
  display: flex;
  align-items: center;
  min-height: 52px;
  border-bottom: 1px solid rgba(91, 157, 255, 0.15);
  font-size: 18px;
}
.hero {
  position: relative;
  min-height: calc(100vh - 102px);
  isolation: isolate;
}
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity .6s ease;
}
.hero-slide.is-on { opacity: 1; pointer-events: auto; }
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: saturate(0.85);
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(7,14,26,.88) 0%, rgba(7,14,26,.62) 46%, rgba(7,14,26,.35) 100%),
    linear-gradient(180deg, rgba(7,14,26,.2) 0%, rgba(7,14,26,.55) 100%),
    repeating-linear-gradient(90deg, transparent 0 48px, rgba(62,224,200,.05) 48px 49px);
}
.hero-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.7fr);
  gap: 40px;
  align-items: center;
  min-height: calc(100vh - 102px);
  padding: 56px 0 72px;
}
.hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--seal);
  letter-spacing: .18em;
  font-size: 12px;
  margin-bottom: 16px;
}
.hero h1, .hero .slide-title {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.28;
  margin: 0 0 18px;
  max-width: 18em;
}
.hero-lead {
  max-width: 38em;
  color: #D5E2F0;
  font-size: 16px;
  margin-bottom: 28px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.portrait-frame {
  position: relative;
  width: min(100%, 380px);
  margin-left: auto;
  aspect-ratio: 3 / 4;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 0 0 1px rgba(196,165,116,.2), 0 20px 50px rgba(0,0,0,.35);
  background: var(--dossier);
}
.portrait-frame img { width: 100%; height: 100%; object-fit: cover; }
.portrait-cap {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 12px;
  padding: 12px 14px;
  background: rgba(12,32,58,.58);
  backdrop-filter: blur(16px) saturate(140%);
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 13px;
  color: #D7E6F5;
}
.stamp {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 64px;
  height: 64px;
  border: 2px solid rgba(196,165,116,.85);
  border-radius: 50%;
  color: var(--seal);
  display: grid;
  place-items: center;
  font-size: 11px;
  letter-spacing: .2em;
  transform: rotate(-12deg);
  background: rgba(7,14,26,.35);
}
.hero-controls {
  position: absolute;
  z-index: 3;
  right: max(16px, calc((100% - var(--container)) / 2));
  bottom: 28px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-btn, .dot {
  width: 44px;
  height: 44px;
  border-radius: 6px;
  border: 1px solid var(--line);
  background: rgba(12,32,58,.5);
  color: #fff;
  backdrop-filter: blur(12px);
}
.dot { width: 12px; height: 12px; border-radius: 50%; padding: 0; min-width: 12px; }
.dot[aria-current="true"] { background: var(--cyan); box-shadow: 0 0 10px var(--cyan); }
.btn-glow, .btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: var(--radius-btn);
  font-weight: 600;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
}
.btn-glow {
  background: linear-gradient(180deg, #4AEFD6 0%, #2BB8AE 100%);
  color: #062018;
  border: 1px solid rgba(62,224,200,.7);
  box-shadow: 0 0 0 rgba(62,224,200,0);
}
.btn-glow:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow); }
.btn-glow:active { transform: translateY(0); }
.btn-ghost {
  background: transparent;
  color: #E8EEF6;
  border: 1px solid rgba(91,157,255,.55);
}
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); box-shadow: 0 0 14px rgba(91,157,255,.25); }
.section {
  position: relative;
  padding: var(--section-y) 0;
}
.section[id] { scroll-margin-top: 108px; }
.section-kicker {
  color: var(--seal);
  letter-spacing: .16em;
  font-size: 12px;
  margin-bottom: 8px;
}
.section h2 {
  font-size: clamp(22px, 3vw, 32px);
  line-height: 1.35;
  margin: 0 0 14px;
  max-width: 18em;
}
.section-lead {
  max-width: 42em;
  color: var(--muted);
  margin-bottom: 36px;
  font-size: 15.5px;
}
.glass-card {
  background: var(--glass);
  backdrop-filter: blur(16px) saturate(140%);
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.06);
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.glass-card:hover {
  border-color: rgba(62,224,200,.55);
  transform: translateY(-2px);
  box-shadow: 0 0 16px rgba(62,224,200,.12), inset 0 1px 0 rgba(255,255,255,.08);
}
.metric-board {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 12px;
}
.metric {
  padding: 20px 16px;
  text-align: left;
}
.metric b {
  display: block;
  font-variant-numeric: tabular-nums;
  font-size: 28px;
  color: var(--cyan);
  line-height: 1.1;
  text-shadow: 0 0 12px rgba(62,224,200,.35);
}
.metric span { display: block; color: var(--muted); font-size: 13px; margin-top: 8px; }
.split {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 36px;
  align-items: center;
}
.clause-list { list-style: none; padding: 0; margin: 0; }
.clause-list li {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(91,157,255,.18);
  color: #D5E0EC;
}
.num {
  color: var(--seal);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  padding-top: 2px;
}
.bento {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  grid-template-rows: auto auto;
  gap: 14px;
}
.bento article { padding: 22px; }
.bento article:nth-child(1) { grid-column: 1 / 2; grid-row: 1 / 3; }
.hot-strip {
  display: grid;
  grid-template-columns: 1.4fr .8fr .8fr;
  gap: 14px;
  margin-top: 14px;
}
.hot-strip article { padding: 22px; min-height: 160px; }
.hot-strip article:first-child { background: rgba(22,58,95,.55); }
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 8px;
  border: 1px solid rgba(196,165,116,.5);
  color: var(--seal);
  border-radius: 4px;
  font-size: 12px;
  margin-bottom: 10px;
}
.badge.ice { border-color: rgba(91,157,255,.5); color: #9CC4FF; }
.link-glow { color: var(--cyan); font-size: 14px; display: inline-flex; min-height: 44px; align-items: center; }
.link-glow:hover { text-shadow: 0 0 8px rgba(62,224,200,.6); }
.scene-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.scene-tabs button {
  min-height: 44px;
  padding: 0 14px;
  border-radius: 4px;
  border: 1px solid var(--line-soft);
  background: rgba(12,32,58,.4);
  color: #C9D7E8;
}
.scene-tabs button[aria-selected="true"] {
  color: #062018;
  background: var(--cyan);
  border-color: var(--cyan);
}
.scene-panel { display: none; }
.scene-panel.is-on { display: grid; grid-template-columns: 1.1fr .9fr; gap: 24px; }
.compare-wrap { overflow-x: auto; }
.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}
.compare-table th, .compare-table td {
  border: 1px solid rgba(91,157,255,.18);
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  font-size: 14px;
}
.compare-table th { background: rgba(22,58,95,.65); color: #E8EEF6; font-weight: 600; }
.compare-table td { background: rgba(12,32,58,.42); color: #C9D7E8; }
.compare-table tr:hover td { background: rgba(22,58,95,.4); }
.dark-band {
  background:
    linear-gradient(180deg, rgba(7,14,26,.78), rgba(7,14,26,.88)),
    url('/assets/images/b27deae85cee5b9d.jpg') center/cover no-repeat;
  border-block: 1px solid rgba(62,224,200,.15);
}
.case-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.quote-bar {
  margin-top: 28px;
  padding: 18px 20px 18px 16px;
  border-left: 3px solid var(--seal);
  background: rgba(12,32,58,.55);
  color: #E6D7BE;
}
.timeline {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
  position: relative;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 8%;
  right: 8%;
  top: 28px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
}
.mile {
  padding: 18px 14px 16px;
  text-align: left;
  width: 100%;
  color: inherit;
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.mile:hover { border-color: var(--cyan); }
.mile i {
  display: block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  margin-bottom: 14px;
}
.progress {
  height: 8px;
  background: rgba(22,58,95,.8);
  border-radius: 99px;
  overflow: hidden;
  margin: 18px 0 8px;
}
.progress > span {
  display: block;
  height: 100%;
  width: 68%;
  background: linear-gradient(90deg, var(--ice), var(--cyan));
  box-shadow: 0 0 10px var(--cyan);
}
.story-grid, .review-track, .news-grid, .guard-grid, .quick-grid {
  display: grid;
  gap: 14px;
}
.story-grid { grid-template-columns: repeat(3, 1fr); }
.story-grid img, .news-item img { width: 100%; height: 160px; object-fit: cover; border-radius: 10px; }
.review-track {
  grid-template-columns: repeat(4, minmax(240px, 1fr));
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding-bottom: 8px;
}
.review-track article { scroll-snap-align: start; min-width: 260px; padding: 18px; }
.stars { color: var(--seal); letter-spacing: 2px; font-size: 12px; }
.news-layout { display: grid; grid-template-columns: 1.6fr .8fr; gap: 18px; }
.news-item {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 14px;
  padding: 12px;
}
.news-item img { height: 92px; }
.rank-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.rank-table th, .rank-table td { padding: 10px 8px; border-bottom: 1px solid rgba(91,157,255,.15); }
.guard-grid { grid-template-columns: repeat(3, 1fr); }
.guard-grid article { padding: 18px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.chips button {
  min-height: 44px;
  padding: 0 14px;
  border-radius: 4px;
  border: 1px solid var(--line-soft);
  background: transparent;
  color: #C9D7E8;
}
.chips button[aria-pressed="true"] { background: rgba(62,224,200,.15); color: var(--cyan); border-color: var(--cyan); }
.quick-grid { grid-template-columns: 1fr 1fr; }
.quick-item { padding: 16px 18px; }
.faq-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(12,32,58,.5);
  margin-bottom: 10px;
  overflow: hidden;
}
.faq-item button {
  width: 100%;
  text-align: left;
  min-height: 56px;
  padding: 12px 18px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  background: transparent;
  color: #E8EEF6;
  border: 0;
  font-size: 16px;
}
.faq-item .faq-body {
  display: none;
  padding: 0 18px 16px;
  color: #C5D4E4;
  background: rgba(22,58,95,.45);
}
.faq-item.open .faq-body { display: block; }
.faq-item .pm { color: var(--cyan); font-size: 22px; line-height: 1; }
.consult-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 22px; }
label { display: block; font-size: 13px; color: #B9C9DA; margin-bottom: 6px; }
input, select, textarea {
  width: 100%;
  min-height: 44px;
  border-radius: 6px;
  border: 1px solid rgba(91,157,255,.3);
  background: rgba(7,14,26,.65);
  color: #E8EEF6;
  padding: 8px 12px;
  margin-bottom: 14px;
}
textarea { min-height: 120px; resize: vertical; }
.field-error { color: #E8B56A; font-size: 12px; margin: -8px 0 12px; display: none; }
.form-success {
  display: none;
  padding: 28px 22px;
  border: 1px solid var(--cyan);
  border-radius: 12px;
  background: rgba(12,32,58,.7);
}
.cta-bar {
  padding: 28px 0;
  background: linear-gradient(90deg, #081525, #163A5F 55%, #0B1C33);
  border-top: 1px solid rgba(196,165,116,.25);
}
.cta-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.site-footer {
  padding: 56px 0 28px;
  background: #050A14;
  border-top: 1px solid rgba(196,165,116,.2);
  color: #9BB0C7;
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.3fr .8fr 1fr .9fr;
  gap: 28px;
  margin-bottom: 28px;
}
.site-footer a:hover { color: var(--cyan); }
.footer-copy {
  border-top: 1px solid rgba(196,165,116,.18);
  padding-top: 16px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.cover-frame { border-radius: 14px; overflow: hidden; border: 1px solid var(--line); }
.cover-frame img { width: 100%; height: 100%; min-height: 320px; object-fit: cover; }
@media (max-width: 1280px) {
  .metric-board { grid-template-columns: repeat(3, 1fr); }
  .timeline { grid-template-columns: repeat(3, 1fr); }
  .timeline::before { display: none; }
}
@media (max-width: 1024px) {
  :root { --section-y: 88px; }
  .topbar-meta span:nth-child(3) { display: none; }
  .hero-grid { grid-template-columns: 1fr; padding: 40px 0 88px; }
  .portrait-frame { width: min(100%, 320px); margin: 0 auto; aspect-ratio: 4 / 5; }
  .split, .scene-panel.is-on, .consult-grid, .news-layout, .case-grid { grid-template-columns: 1fr; }
  .bento, .hot-strip { grid-template-columns: 1fr 1fr; }
  .bento article:nth-child(1) { grid-column: auto; grid-row: auto; }
  .nav-links { display: none; }
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .metric-board, .story-grid, .guard-grid, .quick-grid, .bento, .hot-strip { grid-template-columns: 1fr 1fr; }
  .timeline { grid-template-columns: 1fr 1fr; }
  .news-item { grid-template-columns: 1fr; }
  .topbar-meta span:nth-child(2) { display: none; }
}
@media (max-width: 520px) {
  :root { --section-y: 64px; }
  .metric-board, .story-grid, .guard-grid, .quick-grid, .bento, .hot-strip, .timeline, .footer-grid { grid-template-columns: 1fr; }
  .hero h1, .hero .slide-title { font-size: 26px; max-width: none; }
  .hero-lead, .section-lead { max-width: none; }
  .review-track { grid-template-columns: none; grid-auto-flow: column; grid-auto-columns: 86%; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-slide, .btn-glow, .glass-card { transition: none; }
}