/* roulang page: index */
:root {
      --bg-0: #070B14;
      --bg-1: #0E1A2E;
      --bg-2: #122238;
      --ink: #1E4F8C;
      --ink-deep: #163A68;
      --signal: #3A7BD5;
      --gold: #B0894F;
      --gold-dim: rgba(176, 137, 79, 0.35);
      --text: #E8EEF6;
      --text-soft: #C5D0DE;
      --muted: #9AA8BC;
      --border: rgba(255, 255, 255, 0.10);
      --border-strong: rgba(255, 255, 255, 0.16);
      --glass: rgba(14, 26, 46, 0.58);
      --glass-2: rgba(8, 16, 30, 0.72);
      --radius: 10px;
      --radius-sm: 8px;
      --shadow-1: 0 8px 24px rgba(0, 0, 0, 0.28);
      --shadow-2: 0 18px 48px rgba(0, 0, 0, 0.38);
      --glow: 0 0 24px rgba(30, 79, 140, 0.35);
      --blur: 16px;
      --container: 1240px;
      --section: 112px;
      --header-main: 72px;
      --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
      --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    html, body { margin: 0; padding: 0; }
    body {
      font-family: var(--font-sans);
      font-size: 16px;
      line-height: 1.85;
      color: var(--text);
      background: linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 48%, #0b1526 100%);
      background-attachment: fixed;
      min-height: 100%;
      overflow-x: hidden;
    }
    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: 0;
      background-image: repeating-linear-gradient(
        0deg,
        transparent 0,
        transparent 7px,
        rgba(255, 255, 255, 0.028) 7px,
        rgba(255, 255, 255, 0.028) 8px
      );
      opacity: 0.7;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--signal); text-decoration: none; transition: color 0.2s var(--ease), opacity 0.2s; }
    a:hover { color: #7eb3f0; }
    button, input, select, textarea { font-family: inherit; }
    button { cursor: pointer; }
    h1, h2, h3 { font-family: var(--font-serif); font-weight: 600; line-height: 1.35; color: #f4f7fb; margin: 0 0 0.7em; letter-spacing: 0.02em; }
    p { margin: 0 0 1em; color: var(--text-soft); }
    ul, ol { margin: 0; padding: 0; }
    :focus-visible { outline: 2px solid var(--signal); outline-offset: 3px; }
    .skip {
      position: absolute; left: -999px; top: 8px;
      background: var(--ink); color: #fff; padding: 8px 14px; z-index: 200; border-radius: 8px;
    }
    .skip:focus { left: 8px; }
    .container { width: min(100% - 40px, var(--container)); margin: 0 auto; }
    .section { position: relative; z-index: 1; padding: var(--section) 0; }
    .section-head { margin-bottom: 40px; max-width: 42em; }
    .section-head h2 { font-size: clamp(24px, 2.4vw, 34px); margin-bottom: 14px; }
    .section-head p { font-size: 16px; line-height: 1.9; max-width: 40em; }
    .kicker {
      display: inline-flex; align-items: center; gap: 8px;
      color: var(--gold); font-size: 12px; letter-spacing: 0.18em;
      text-transform: none; margin-bottom: 12px; font-family: var(--font-sans);
    }
    .kicker::before { content: ""; width: 18px; height: 1px; background: var(--gold); }
    .site-header {
      position: sticky; top: 0; z-index: 80;
      background: rgba(7, 11, 20, 0.72);
      backdrop-filter: blur(var(--blur));
      -webkit-backdrop-filter: blur(var(--blur));
    }
    .header-top {
      display: flex; align-items: center; justify-content: space-between;
      width: min(100% - 40px, var(--container)); margin: 0 auto;
      min-height: 34px; font-size: 12px; color: var(--muted);
      transition: max-height 0.28s var(--ease), opacity 0.28s, padding 0.28s;
      overflow: hidden;
    }
    .header-top a { color: var(--muted); }
    .header-top a:hover { color: var(--text); }
    .header-top-left, .header-top-right { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
    .header-main {
      border-top: 1px solid var(--gold-dim);
      min-height: var(--header-main);
    }
    .header-main-inner {
      width: min(100% - 40px, var(--container)); margin: 0 auto;
      display: flex; align-items: center; gap: 28px; min-height: var(--header-main);
    }
    .logo { display: flex; align-items: center; gap: 10px; color: var(--text); flex-shrink: 0; }
    .logo:hover { color: #fff; }
    .logo-mark {
      width: 36px; height: 36px; display: grid; place-items: center;
      border: 1px solid var(--gold); color: var(--gold);
      font-family: var(--font-serif); font-size: 18px; border-radius: 8px;
      box-shadow: inset 0 0 0 1px rgba(176, 137, 79, 0.15);
    }
    .logo-text { display: flex; flex-direction: column; line-height: 1.15; }
    .logo-text strong { font-size: 15px; font-weight: 700; letter-spacing: 0.06em; }
    .logo-text small { font-size: 11px; color: var(--muted); letter-spacing: 0.12em; margin-top: 3px; }
    .nav-links { display: flex; align-items: stretch; gap: 4px; margin-left: auto; }
    .nav-links a {
      color: var(--text-soft); font-size: 14px; padding: 8px 10px;
      display: inline-flex; align-items: center; min-height: 44px;
      border-bottom: 2px solid transparent; position: relative;
    }
    .nav-links a:hover { color: #fff; }
    .nav-links a.is-active {
      color: #fff;
      border-bottom-color: var(--signal);
      text-shadow: 0 0 12px rgba(58, 123, 213, 0.45);
    }
    .btn {
      display: inline-flex; align-items: center; justify-content: center;
      min-height: 44px; padding: 0 20px; border-radius: var(--radius);
      border: 1px solid transparent; font-size: 14px; letter-spacing: 0.04em;
      transition: transform 0.2s var(--ease), box-shadow 0.2s, background 0.2s, border-color 0.2s, color 0.2s;
      white-space: nowrap;
    }
    .btn-glow {
      background: var(--ink); color: #fff;
      box-shadow: 0 0 0 rgba(30, 79, 140, 0);
    }
    .btn-glow:hover {
      transform: translateY(-1px); background: #255fa6;
      box-shadow: var(--glow); color: #fff;
    }
    .btn-glow:active { transform: translateY(1px); box-shadow: 0 0 8px rgba(30, 79, 140, 0.2); }
    .btn-ghost {
      background: rgba(255, 255, 255, 0.04);
      border-color: rgba(58, 123, 213, 0.45);
      color: #d6e6fa;
      text-shadow: 0 0 12px rgba(58, 123, 213, 0.35);
    }
    .btn-ghost:hover { border-color: var(--signal); color: #fff; transform: translateY(-1px); }
    .btn-ghost:active { transform: translateY(1px); }
    .btn-block { width: 100%; }
    .nav-cta { margin-left: 8px; }
    .nav-toggle {
      display: none; width: 44px; height: 44px; background: transparent; border: 1px solid var(--border);
      border-radius: 8px; padding: 0; position: relative; margin-left: auto;
    }
    .nav-toggle span {
      position: absolute; left: 12px; right: 12px; height: 1.5px; background: var(--text);
      transition: transform 0.2s, opacity 0.2s;
    }
    .nav-toggle span:nth-child(1) { top: 15px; }
    .nav-toggle span:nth-child(2) { top: 21px; }
    .nav-toggle span:nth-child(3) { top: 27px; }
    .nav-toggle.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
    .nav-toggle.is-open span:nth-child(2) { opacity: 0; }
    .nav-toggle.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
    .drawer {
      position: fixed; inset: 0; z-index: 90;
      background: rgba(7, 11, 20, 0.78);
      backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
      display: flex; flex-direction: column; padding: 24px 24px 40px;
      transform: translateX(110%); transition: transform 0.32s var(--ease);
    }
    .drawer.is-open { transform: translateX(0); }
    .drawer-close {
      align-self: flex-end; min-width: 44px; min-height: 44px;
      background: transparent; border: 1px solid var(--border); color: var(--text); border-radius: 8px;
    }
    .drawer nav { display: flex; flex-direction: column; gap: 4px; margin-top: 24px; }
    .drawer nav a {
      color: var(--text); font-size: 18px; min-height: 48px;
      display: flex; align-items: center; padding: 8px 4px;
      border-bottom: 1px solid var(--border);
    }
    .site-header.hide-top .header-top { max-height: 0; opacity: 0; min-height: 0; }
    .hero {
      position: relative; z-index: 1;
      min-height: 88vh; display: flex; align-items: stretch;
      overflow: hidden;
    }
    .hero-slides { position: absolute; inset: 0; }
    .hero-slide {
      position: absolute; inset: 0; opacity: 0; transition: opacity 0.9s ease;
      background-size: cover; background-position: center;
    }
    .hero-slide.is-on { opacity: 1; }
    .hero-dim {
      position: absolute; inset: 0;
      background: linear-gradient(90deg, rgba(7, 11, 20, 0.78) 0%, rgba(7, 11, 20, 0.42) 58%, rgba(7, 11, 20, 0.28) 100%);
    }
    .hero-slash {
      position: relative; z-index: 2; width: 68%;
      min-height: 88vh; display: flex; align-items: center;
      background: linear-gradient(158deg, rgba(30, 79, 140, 0.92) 0%, rgba(14, 26, 46, 0.88) 62%, rgba(7, 11, 20, 0.9) 100%);
      clip-path: polygon(0 0, 100% 0, 78% 100%, 0 100%);
    }
    .hero-slash::after {
      content: ""; position: absolute; top: 0; bottom: 0; right: 13%;
      width: 2px; background: linear-gradient(180deg, transparent, var(--gold), transparent);
      transform: skewX(-11deg);
    }
    .hero-copy { width: min(92%, 680px); padding: 72px 8% 72px 0; margin-left: max(20px, calc((100vw - var(--container)) / 2)); position: relative; z-index: 3; }
    .brand-line { color: var(--gold); letter-spacing: 0.22em; font-size: 13px; margin-bottom: 16px; }
    .hero h1 { font-size: clamp(30px, 4.2vw, 50px); margin: 0 0 18px; max-width: 14em; }
    .hero-lead { font-size: 16px; line-height: 1.95; max-width: 38em; margin-bottom: 28px; color: var(--text-soft); }
    .hero-actions { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
    .hero-actions .quiet { color: var(--text-soft); font-size: 14px; border-bottom: 1px solid var(--gold-dim); padding-bottom: 2px; }
    .hero-actions .quiet:hover { color: #fff; }
    .hero-frame {
      margin-top: 28px; color: var(--muted); font-size: 13px; letter-spacing: 0.08em;
      min-height: 24px;
    }
    .hero-dots {
      position: absolute; right: 36px; bottom: 36px; z-index: 4;
      display: flex; gap: 8px;
    }
    .hero-dots button {
      width: 28px; height: 4px; border: 0; padding: 0; border-radius: 2px;
      background: rgba(255, 255, 255, 0.28); min-height: 12px;
    }
    .hero-dots button.is-on { background: var(--signal); box-shadow: 0 0 10px rgba(58, 123, 213, 0.5); }
    .glass {
      background: var(--glass);
      backdrop-filter: blur(var(--blur));
      -webkit-backdrop-filter: blur(var(--blur));
      border: 1px solid var(--border);
      border-radius: var(--radius);
      box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), var(--shadow-1);
    }
    .clause { font-family: var(--font-serif); color: var(--gold); font-size: 12px; letter-spacing: 0.14em; }
    .catalog-grid {
      display: grid; grid-template-columns: 200px 1fr; gap: 48px; align-items: start;
    }
    .catalog-side {
      position: sticky; top: 96px;
      writing-mode: horizontal-tb;
      border-left: 2px solid var(--gold);
      padding-left: 16px;
    }
    .catalog-side strong { display: block; font-family: var(--font-serif); font-size: 22px; }
    .catalog-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0; }
    .catalog-item {
      display: grid; grid-template-columns: 48px 1fr; gap: 14px;
      padding: 22px 18px; border-top: 1px solid var(--border);
      transition: background 0.2s;
    }
    .catalog-item:hover { background: rgba(30, 79, 140, 0.18); }
    .catalog-item h3 { font-size: 18px; margin: 0 0 6px; }
    .catalog-item p { margin: 0; font-size: 14px; line-height: 1.75; }
    .split { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
    .split-media { position: relative; }
    .split-media img { width: 100%; height: 460px; object-fit: cover; border-radius: var(--radius); border: 1px solid var(--border); }
    .split-media .cap {
      position: absolute; left: 16px; bottom: 16px;
      background: var(--glass-2); backdrop-filter: blur(12px);
      border: 1px solid var(--border); border-radius: 8px; padding: 10px 14px; font-size: 12px; color: var(--muted);
    }
    .facts { display: grid; gap: 10px; margin-top: 22px; }
    .facts li {
      list-style: none; padding-left: 18px; position: relative; color: var(--text-soft); font-size: 15px;
    }
    .facts li::before { content: ""; width: 7px; height: 7px; border: 1px solid var(--gold); position: absolute; left: 0; top: 0.55em; }
    .card-6 {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
    }
    .cap-card { padding: 24px 22px 22px; min-height: 220px; display: flex; flex-direction: column; transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s; }
    .cap-card:hover { transform: translateY(-3px); border-color: rgba(58, 123, 213, 0.35); box-shadow: var(--shadow-2); }
    .cap-card h3 { font-size: 18px; margin: 10px 0 8px; }
    .cap-card p { font-size: 14px; margin: 0; flex: 1; }
    .cap-card .more { margin-top: 16px; font-size: 13px; color: var(--signal); }
    .hot-grid {
      display: grid; grid-template-columns: 1.25fr 1fr; grid-template-rows: 1fr 1fr; gap: 18px;
    }
    .hot-card {
      position: relative; overflow: hidden; min-height: 210px; border-radius: var(--radius);
      border: 1px solid var(--border); display: flex; flex-direction: column; justify-content: flex-end;
    }
    .hot-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
    .hot-card::after {
      content: ""; position: absolute; inset: 0;
      background: linear-gradient(180deg, rgba(7, 11, 20, 0.1) 0%, rgba(7, 11, 20, 0.82) 70%);
    }
    .hot-card--lg { grid-row: 1 / 3; min-height: 460px; }
    .hot-body { position: relative; z-index: 1; padding: 24px; }
    .hot-body h3 { font-size: 22px; margin-bottom: 8px; }
    .hot-body p { font-size: 14px; margin-bottom: 12px; }
    .hot-body a { color: #d6e6fa; font-size: 13px; border-bottom: 1px solid var(--gold); }
    .relate {
      margin-top: 28px; display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center;
      padding: 16px 18px; border: 1px dashed var(--gold-dim); border-radius: var(--radius);
    }
    .relate span { color: var(--gold); font-size: 13px; letter-spacing: 0.08em; }
    .relate a { color: var(--text-soft); font-size: 14px; min-height: 44px; display: inline-flex; align-items: center; }
    .timeline { position: relative; display: grid; gap: 0; }
    .timeline::before {
      content: ""; position: absolute; left: 18px; top: 8px; bottom: 8px; width: 1px;
      background: linear-gradient(180deg, transparent, var(--gold), transparent);
    }
    .time-item {
      display: grid; grid-template-columns: 36px 160px 1fr; gap: 20px;
      padding: 22px 0 22px 0; align-items: start;
    }
    .time-dot {
      width: 36px; height: 36px; border-radius: 50%;
      border: 1px solid var(--gold); display: grid; place-items: center;
      background: var(--bg-1); color: var(--gold); font-size: 12px; position: relative; z-index: 1;
    }
    .time-item h3 { font-size: 18px; margin: 6px 0 0; }
    .time-item p { margin: 6px 0 0; max-width: 40em; }
    .demo-wrap { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 36px; align-items: center; }
    .steps { display: grid; gap: 0; }
    .steps li {
      list-style: none; display: grid; grid-template-columns: 52px 1fr; gap: 12px;
      padding: 16px 0; border-bottom: 1px solid var(--border);
    }
    .steps li strong { display: block; font-size: 16px; color: #fff; }
    .steps li span { color: var(--muted); font-size: 13px; }
    .dossier {
      background: var(--glass); border: 1px solid var(--border); border-radius: var(--radius);
      overflow: hidden;
    }
    .dossier img { width: 100%; height: 220px; object-fit: cover; }
    .paper { padding: 22px 24px 26px; background: linear-gradient(180deg, rgba(18, 34, 56, 0.9), rgba(10, 18, 32, 0.9)); }
    .paper h3 { font-size: 16px; margin-bottom: 12px; }
    .paper-line { height: 8px; background: rgba(255, 255, 255, 0.06); border-radius: 4px; margin-bottom: 8px; }
    .paper-line.w1 { width: 92%; } .paper-line.w2 { width: 76%; } .paper-line.w3 { width: 84%; }
    .tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
    .tag {
      font-size: 12px; padding: 4px 10px; border-radius: 8px;
      border: 1px solid var(--gold-dim); color: var(--gold);
    }
    .topic-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 40px; align-items: start; }
    .quote-side {
      border-left: 2px solid var(--gold); padding: 8px 0 8px 20px;
      color: var(--text-soft); font-family: var(--font-serif); font-size: 18px; line-height: 1.7;
    }
    .check-list { list-style: none; display: grid; gap: 12px; }
    .check-list li {
      display: grid; grid-template-columns: 22px 1fr; gap: 10px; font-size: 15px;
      padding-bottom: 12px; border-bottom: 1px solid var(--border);
    }
    .check-list i {
      width: 16px; height: 16px; margin-top: 6px; border: 1px solid var(--signal); display: block; position: relative;
    }
    .check-list i::after {
      content: ""; position: absolute; left: 3px; top: 0px; width: 6px; height: 10px;
      border-right: 1.5px solid var(--signal); border-bottom: 1.5px solid var(--signal); transform: rotate(40deg);
    }
    .stamps { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
    .stamp {
      border: 1px dashed var(--gold); color: var(--gold); padding: 8px 12px;
      font-size: 13px; border-radius: 8px; letter-spacing: 0.04em;
      transform: rotate(-1deg);
    }
    .contrast { display: grid; grid-template-columns: 1fr 1fr; overflow: hidden; border-radius: var(--radius); border: 1px solid var(--border); }
    .contrast-pane { padding: 36px 32px; min-height: 280px; }
    .contrast-pane.dark { background: rgba(8, 14, 24, 0.9); }
    .contrast-pane.mid { background: rgba(30, 79, 140, 0.22); }
    .contrast-pane h3 { font-size: 20px; }
    .chip-index { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
    .chip {
      font-size: 13px; padding: 8px 12px; min-height: 40px; display: inline-flex; align-items: center;
      border: 1px solid var(--border); border-radius: 8px; color: var(--text-soft); background: rgba(255,255,255,0.03);
    }
    .cases { background: #070b12; }
    .cases::before {
      content: ""; position: absolute; inset: 0; opacity: 0.28;
      background: url("/assets/images/10f926b83aaade7b.jpg") center/cover no-repeat;
      pointer-events: none;
    }
    .case-row {
      display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 32px; align-items: center;
      margin-bottom: 48px; position: relative;
    }
    .case-row:nth-child(even) { grid-template-columns: 1.1fr 0.9fr; }
    .case-row:nth-child(even) .case-media { order: 2; }
    .case-media img { width: 100%; height: 280px; object-fit: cover; border-radius: var(--radius); border: 1px solid var(--border); }
    .case-body { padding: 8px 8px; }
    .case-body h3 { font-size: 22px; }
    .meta { color: var(--gold); font-size: 13px; letter-spacing: 0.06em; margin-bottom: 10px; }
    .story-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 18px; }
    .story-main { padding: 36px 34px; }
    .story-main h3 { font-size: 22px; }
    .role { color: var(--gold); font-size: 13px; margin-bottom: 12px; }
    .story-side { display: grid; gap: 18px; }
    .story-side article { padding: 24px; }
    .price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .price-card { padding: 28px 24px; display: flex; flex-direction: column; min-height: 460px; }
    .price-card.featured {
      border-color: rgba(58, 123, 213, 0.55);
      box-shadow: 0 0 0 1px rgba(58, 123, 213, 0.25), 0 0 28px rgba(30, 79, 140, 0.28);
    }
    .price-card h3 { font-size: 20px; margin-bottom: 6px; }
    .price { font-family: var(--font-serif); font-size: 32px; color: #fff; margin: 12px 0 6px; }
    .price small { font-size: 14px; color: var(--muted); margin-left: 4px; }
    .badge {
      display: inline-flex; align-items: center; font-size: 11px; letter-spacing: 0.12em;
      color: var(--gold); border: 1px solid var(--gold-dim); padding: 3px 8px; border-radius: 8px;
    }
    .inc, .exc { list-style: none; font-size: 14px; margin: 12px 0; }
    .inc li, .exc li { padding: 6px 0 6px 16px; position: relative; color: var(--text-soft); }
    .inc li::before { content: "+"; position: absolute; left: 0; color: var(--signal); }
    .exc li::before { content: "–"; position: absolute; left: 0; color: var(--muted); }
    .price-card .btn { margin-top: auto; }
    .custom-row {
      margin-top: 18px; padding: 18px 22px;
      display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
    }
    .stats {
      background: linear-gradient(180deg, #081018, #0c1a2c);
      border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
      padding: 56px 0;
    }
    .stat-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
    .stat { text-align: left; padding: 8px 8px; }
    .stat b { display: block; font-family: var(--font-serif); font-size: 26px; color: #fff; margin-bottom: 6px; }
    .stat span { color: var(--muted); font-size: 13px; line-height: 1.6; }
    .review-wall { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
    .review {
      padding: 20px 18px; min-height: 170px;
    }
    .review p { font-size: 14px; margin-bottom: 14px; }
    .review .who { font-size: 12px; color: var(--gold); letter-spacing: 0.04em; }
    .review:nth-child(2), .review:nth-child(7) { min-height: 210px; }
    .stamp-track {
      display: flex; gap: 14px; overflow-x: auto; padding-bottom: 8px;
      scroll-snap-type: x mandatory;
    }
    .stamp-track::-webkit-scrollbar { height: 4px; }
    .stamp-track::-webkit-scrollbar-thumb { background: var(--ink); border-radius: 4px; }
    .corp-seal {
      flex: 0 0 auto; scroll-snap-align: start;
      min-width: 160px; min-height: 88px; display: grid; place-items: center;
      border: 1px solid var(--gold-dim); border-radius: 10px;
      color: var(--gold); letter-spacing: 0.16em; font-size: 14px;
      background: rgba(176, 137, 79, 0.05);
    }
    .quotes-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 24px; }
    .quotes-2 blockquote {
      margin: 0; padding: 8px 0 8px 18px; border-left: 2px solid var(--signal);
      color: var(--text-soft); font-size: 15px;
    }
    .news-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .news-card { display: grid; grid-template-columns: 140px 1fr; gap: 16px; padding: 14px; align-items: center; }
    .news-card img { width: 140px; height: 96px; object-fit: cover; border-radius: 8px; }
    .news-card h3 { font-size: 16px; margin: 0 0 6px; }
    .news-card p { font-size: 13px; margin: 0; }
    .news-more { margin-top: 20px; }
    .faq-list { display: grid; gap: 10px; max-width: 920px; }
    .faq-item { border: 1px solid var(--border); border-radius: var(--radius); background: rgba(10, 18, 32, 0.6); overflow: hidden; }
    .faq-item button {
      width: 100%; text-align: left; background: transparent; border: 0; color: #fff;
      min-height: 56px; padding: 14px 48px 14px 18px; position: relative; font-size: 16px;
    }
    .faq-item button::after {
      content: "+"; position: absolute; right: 18px; top: 50%; transform: translateY(-50%);
      color: var(--gold); font-size: 20px;
    }
    .faq-item.is-open button::after { content: "–"; }
    .faq-item .faq-a { display: none; padding: 0 18px 18px; color: var(--text-soft); font-size: 15px; line-height: 1.9; }
    .faq-item.is-open .faq-a { display: block; }
    .cta-band {
      position: relative; padding: 96px 0;
      background: #0a1424;
    }
    .cta-band::before {
      content: ""; position: absolute; inset: 0; opacity: 0.32;
      background: url("/assets/images/dba17f5a93c2f9cf.webp") center/cover no-repeat;
    }
    .cta-inner {
      position: relative; display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 36px; align-items: start;
    }
    .cta-form { padding: 28px; }
    .form-row { margin-bottom: 14px; }
    .form-row label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
    .form-row input, .form-row select {
      width: 100%; min-height: 44px; border-radius: 8px; border: 1px solid var(--border);
      background: rgba(7, 11, 20, 0.65); color: var(--text); padding: 0 12px;
    }
    .form-row input:focus, .form-row select:focus { border-color: var(--signal); }
    .form-error, .form-ok { font-size: 13px; margin-top: 8px; display: none; }
    .form-error { color: #e8b4a2; }
    .form-ok { color: #9ad0b4; }
    .form-error.show, .form-ok.show { display: block; }
    .cta-aside p { max-width: 36em; }
    .contact-lines { margin-top: 20px; color: var(--text-soft); }
    .contact-lines a { color: #fff; }
    .site-footer {
      position: relative; z-index: 1;
      border-top: 1px solid var(--border);
      padding: 56px 0 28px; background: #070b14;
    }
    .foot-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 32px; }
    .foot-grid h3 { font-size: 16px; margin-bottom: 12px; }
    .foot-grid a { display: inline-flex; min-height: 36px; align-items: center; color: var(--muted); margin-right: 12px; }
    .foot-grid a:hover { color: #fff; }
    .copy { margin-top: 36px; padding-top: 18px; border-top: 1px solid var(--border); color: var(--muted); font-size: 13px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
    .site-header.hide-top .header-top { padding: 0; }
    @media (max-width: 1280px) {
      .hero-copy { margin-left: 24px; }
      .stat-grid { grid-template-columns: repeat(3, 1fr); gap: 18px; }
    }
    @media (max-width: 1024px) {
      :root { --section: 88px; }
      .nav-links { display: none; }
      .nav-toggle { display: inline-block; }
      .hero-slash { width: 84%; clip-path: polygon(0 0, 100% 0, 88% 100%, 0 100%); }
      .catalog-grid, .split, .demo-wrap, .topic-grid, .cta-inner, .story-grid { grid-template-columns: 1fr; }
      .catalog-side { position: static; }
      .card-6 { grid-template-columns: repeat(2, 1fr); }
      .hot-grid { grid-template-columns: 1fr; grid-template-rows: none; }
      .hot-card--lg { grid-row: auto; min-height: 320px; }
      .case-row, .case-row:nth-child(even) { grid-template-columns: 1fr; }
      .case-row:nth-child(even) .case-media { order: 0; }
      .price-grid { grid-template-columns: 1fr; }
      .review-wall { grid-template-columns: repeat(2, 1fr); }
      .contrast { grid-template-columns: 1fr; }
      .split-media img { height: 320px; }
    }
    @media (max-width: 768px) {
      :root { --section: 64px; }
      .header-top-left span:nth-child(2) { display: none; }
      .container, .header-top, .header-main-inner { width: min(100% - 28px, var(--container)); }
      .hero { min-height: 92vh; }
      .hero-slash { width: 100%; clip-path: none; min-height: 92vh; background: linear-gradient(180deg, rgba(30,79,140,0.88), rgba(7,11,20,0.9)); }
      .hero-slash::after { display: none; }
      .hero-copy { margin-left: 16px; padding: 48px 16px 80px 0; }
      .catalog-list { grid-template-columns: 1fr; }
      .card-6 { grid-template-columns: 1fr; }
      .time-item { grid-template-columns: 36px 1fr; }
      .time-item h3 { grid-column: 2; }
      .news-grid, .quotes-2 { grid-template-columns: 1fr; }
      .news-card { grid-template-columns: 1fr; }
      .news-card img { width: 100%; height: 160px; }
      .foot-grid { grid-template-columns: 1fr; }
      .stat-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 520px) {
      body { font-size: 15px; }
      .hero h1 { font-size: 28px; }
      .btn { padding: 0 14px; }
      .logo-text small { display: none; }
      .review-wall { grid-template-columns: 1fr; }
      .custom-row, .copy { flex-direction: column; align-items: flex-start; }
      .hero-dots { right: 16px; bottom: 16px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { transition: none !important; animation: none !important; }
    }

/* roulang page: index */
:root {
      --bg-0: #070B14;
      --bg-1: #0E1A2E;
      --bg-2: #12233A;
      --ink: #E8EEF7;
      --ink-soft: #C5D0DE;
      --muted: #8A9BB0;
      --primary: #1E4F8C;
      --signal: #3A7BD5;
      --gold: #B0894F;
      --gold-soft: rgba(176, 137, 79, 0.35);
      --line: rgba(255, 255, 255, 0.10);
      --line-strong: rgba(255, 255, 255, 0.16);
      --glass: rgba(14, 26, 46, 0.58);
      --glass-2: rgba(8, 14, 26, 0.72);
      --radius: 10px;
      --radius-sm: 8px;
      --shadow-1: 0 8px 28px rgba(0, 0, 0, 0.28);
      --shadow-2: 0 16px 48px rgba(0, 0, 0, 0.38);
      --glow: 0 0 24px rgba(30, 79, 140, 0.35);
      --blur: 16px;
      --space: 24px;
      --container: 1240px;
      --nav-h: 72px;
      --top-h: 36px;
      --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
      --font-sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    html, body { margin: 0; padding: 0; }
    body {
      font-family: var(--font-sans);
      font-size: 16px;
      line-height: 1.85;
      color: var(--ink);
      background: linear-gradient(180deg, var(--bg-0) 0%, var(--bg-1) 55%, #0B1628 100%);
      min-height: 100vh;
      overflow-x: hidden;
    }
    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: 0;
      background-image: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 7px,
        rgba(255, 255, 255, 0.018) 7px,
        rgba(255, 255, 255, 0.018) 8px
      );
      opacity: 0.9;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--signal); text-decoration: none; transition: color .2s ease, opacity .2s ease; }
    a:hover { color: #7AA7E8; }
    button, input, select, textarea { font-family: inherit; }
    button { cursor: pointer; border: 0; background: none; color: inherit; }
    h1, h2, h3 { font-family: var(--font-serif); font-weight: 700; line-height: 1.28; color: #F4F7FB; margin: 0 0 16px; letter-spacing: 0.02em; }
    h1 { font-size: clamp(28px, 4.2vw, 48px); }
    h2 { font-size: clamp(22px, 2.6vw, 32px); }
    h3 { font-size: 18px; }
    p { margin: 0 0 14px; color: var(--ink-soft); }
    ul { margin: 0; padding: 0; list-style: none; }
    .skip {
      position: absolute; left: -999px; top: 0;
      background: var(--primary); color: #fff; padding: 8px 16px; z-index: 400;
    }
    .skip:focus { left: 12px; top: 12px; }
    .container { width: min(100% - 40px, var(--container)); margin: 0 auto; position: relative; z-index: 1; }
    main { position: relative; z-index: 1; }
    section { position: relative; z-index: 1; padding: 112px 0; }
    .section-kicker {
      display: inline-flex; align-items: center; gap: 8px;
      color: var(--gold); font-size: 12px; letter-spacing: 0.18em;
      text-transform: none; font-weight: 600; margin-bottom: 12px;
    }
    .section-kicker::before {
      content: ""; width: 18px; height: 1px; background: var(--gold);
    }
    .section-head { max-width: 720px; margin-bottom: 40px; }
    .section-head p { max-width: 42em; }
    .lead { font-size: 16px; line-height: 1.9; }
    .site-header {
      position: sticky; top: 0; z-index: 100;
      transition: box-shadow .25s ease, background .25s ease;
    }
    .site-header.is-compact .topbar {
      max-height: 0; opacity: 0; overflow: hidden; padding: 0 0; border: 0;
    }
    .site-header.is-compact .navbar {
      background: rgba(7, 11, 20, 0.82);
      backdrop-filter: blur(18px);
      box-shadow: var(--shadow-1);
    }
    .topbar {
      height: var(--top-h);
      display: flex; align-items: center;
      background: rgba(7, 11, 20, 0.92);
      border-bottom: 1px solid var(--gold-soft);
      font-size: 12px; color: var(--muted);
      overflow: hidden; max-height: 36px;
      transition: max-height .28s ease, opacity .28s ease, padding .28s ease;
    }
    .topbar .container { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
    .topbar-left, .topbar-right { display: flex; align-items: center; gap: 18px; }
    .topbar a { color: var(--ink-soft); }
    .topbar a:hover { color: #fff; }
    .navbar {
      min-height: var(--nav-h);
      display: flex; align-items: center;
      background: rgba(10, 16, 28, 0.72);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--line);
    }
    .navbar .container {
      display: grid;
      grid-template-columns: auto 1fr auto;
      align-items: center;
      gap: 20px;
    }
    .logo { display: flex; align-items: center; gap: 10px; color: inherit; min-height: 44px; }
    .logo:hover { color: inherit; opacity: 0.92; }
    .logo-mark {
      width: 36px; height: 36px; border-radius: 8px;
      display: grid; place-items: center;
      font-family: var(--font-serif); font-weight: 700; color: #F7E7C6;
      background: linear-gradient(160deg, #1E4F8C, #163A68);
      border: 1px solid var(--gold-soft);
      box-shadow: inset 0 0 0 1px rgba(176, 137, 79, 0.2);
    }
    .logo-text { display: flex; flex-direction: column; line-height: 1.15; }
    .logo-text strong { font-family: var(--font-serif); font-size: 16px; color: #F4F7FB; }
    .logo-text small { font-size: 11px; color: var(--gold); letter-spacing: 0.12em; margin-top: 3px; }
    .nav-links { display: flex; justify-content: center; align-items: center; gap: 4px; flex-wrap: wrap; }
    .nav-links a {
      color: var(--ink-soft); font-size: 14px; padding: 10px 11px; min-height: 44px;
      display: inline-flex; align-items: center; position: relative; border-radius: 8px;
    }
    .nav-links a:hover { color: #fff; }
    .nav-links a.is-active { color: #fff; }
    .nav-links a.is-active::after,
    .nav-links a:hover::after {
      content: ""; position: absolute; left: 12px; right: 12px; bottom: 6px; height: 2px;
      background: var(--signal); box-shadow: 0 0 10px rgba(58, 123, 213, 0.7);
      border-radius: 2px;
    }
    .nav-cta { display: flex; align-items: center; gap: 10px; }
    .menu-toggle {
      display: none; width: 44px; height: 44px; border-radius: 8px;
      border: 1px solid var(--line); align-items: center; justify-content: center; flex-direction: column; gap: 5px;
    }
    .menu-toggle span { width: 18px; height: 1.5px; background: #fff; display: block; }
    .btn {
      display: inline-flex; align-items: center; justify-content: center; gap: 8px;
      min-height: 44px; padding: 10px 20px; border-radius: var(--radius);
      font-size: 14px; font-weight: 600; letter-spacing: 0.04em;
      transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
      border: 1px solid transparent;
    }
    .btn-primary {
      background: var(--primary); color: #fff;
      box-shadow: 0 8px 18px rgba(30, 79, 140, 0.28);
    }
    .btn-primary:hover { color: #fff; transform: translateY(-1px); box-shadow: var(--glow); background: #255A9C; }
    .btn-primary:active { transform: translateY(1px); box-shadow: none; }
    .btn-ghost {
      background: rgba(14, 26, 46, 0.4);
      border-color: rgba(255, 255, 255, 0.16);
      color: #EAF1FA;
      backdrop-filter: blur(12px);
    }
    .btn-ghost:hover { color: #fff; border-color: rgba(58, 123, 213, 0.7); box-shadow: 0 0 18px rgba(58, 123, 213, 0.25); }
    .btn-ghost:active { transform: translateY(1px); }
    .btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
      outline: 2px solid var(--signal); outline-offset: 3px;
    }
    .drawer {
      position: fixed; inset: 0; z-index: 180;
      background: rgba(7, 11, 20, 0.78);
      backdrop-filter: blur(18px);
      transform: translateX(100%);
      transition: transform .28s ease;
      padding: 88px 24px 40px;
      display: flex; flex-direction: column; gap: 8px;
    }
    .drawer.is-open { transform: translateX(0); }
    .drawer a {
      color: #fff; min-height: 48px; display: flex; align-items: center;
      border-bottom: 1px solid var(--line); font-size: 16px;
    }
    .drawer-close {
      position: absolute; top: 18px; right: 18px; width: 44px; height: 44px;
      border: 1px solid var(--line); border-radius: 8px; color: #fff; font-size: 22px;
    }
    .hero {
      min-height: 88vh; padding: 0; position: relative; overflow: hidden;
      display: flex; align-items: stretch;
    }
    .hero-slides { position: absolute; inset: 0; }
    .hero-slide {
      position: absolute; inset: 0; opacity: 0; transition: opacity 0.8s ease;
    }
    .hero-slide.is-active { opacity: 1; z-index: 1; }
    .hero-slide img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.78) contrast(1.05); }
    .hero-mask {
      position: absolute; inset: 0; z-index: 2;
      background:
        linear-gradient(90deg, rgba(7, 11, 20, 0.78) 0%, rgba(7, 11, 20, 0.35) 48%, rgba(7, 11, 20, 0.55) 100%),
        linear-gradient(180deg, rgba(7, 11, 20, 0.25) 0%, rgba(7, 11, 20, 0.55) 100%);
    }
    .hero-slash {
      position: relative; z-index: 3; width: 62%;
      clip-path: polygon(0 0, 100% 0, 84% 100%, 0 100%);
      background: linear-gradient(158deg, rgba(10, 18, 32, 0.96) 0%, rgba(30, 79, 140, 0.72) 78%, rgba(14, 26, 46, 0.9) 100%);
      border-right: 1px solid var(--gold-soft);
      display: flex; align-items: center;
      min-height: 88vh;
    }
    .hero-slash::after {
      content: ""; position: absolute; right: 11%; top: 0; bottom: 0; width: 1px;
      background: linear-gradient(180deg, transparent, var(--gold), transparent);
      transform: skewX(-12deg);
    }
    .hero-content { width: min(100% - 48px, 640px); margin-left: max(20px, calc((100vw - var(--container)) / 2)); padding: 96px 0 80px; }
    .brand-chip {
      display: inline-flex; align-items: center; gap: 8px;
      border: 1px solid var(--gold-soft); color: var(--gold);
      padding: 4px 10px; border-radius: 8px; font-size: 12px; letter-spacing: 0.16em; margin-bottom: 18px;
    }
    .hero-content .lead { color: #D5DEEA; margin: 18px 0 28px; max-width: 38em; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .hero-dots {
      position: absolute; z-index: 4; right: 36px; bottom: 36px; display: flex; gap: 8px;
    }
    .hero-dots button {
      width: 28px; height: 4px; border-radius: 4px; background: rgba(255,255,255,0.28);
    }
    .hero-dots button.is-active { background: var(--gold); box-shadow: 0 0 10px rgba(176,137,79,.5); }
    .slide-note {
      position: absolute; z-index: 4; right: 36px; top: 46%;
      writing-mode: vertical-rl; letter-spacing: 0.28em; color: var(--ink-soft); font-size: 12px;
    }
    .glass {
      background: var(--glass);
      backdrop-filter: blur(var(--blur));
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.05), var(--shadow-1);
    }
    .intro-grid {
      display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 48px; align-items: center;
    }
    .intro-photo { position: relative; border-radius: 12px; overflow: hidden; min-height: 420px; }
    .intro-photo img { width: 100%; height: 100%; object-fit: cover; min-height: 420px; }
    .intro-photo figcaption {
      position: absolute; left: 16px; bottom: 16px; right: 16px;
      background: var(--glass-2); backdrop-filter: blur(12px);
      border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; font-size: 13px; color: var(--ink-soft);
    }
    .fact-list { margin-top: 20px; display: grid; gap: 10px; }
    .fact-list li {
      display: grid; grid-template-columns: 88px 1fr; gap: 12px;
      padding: 12px 0; border-bottom: 1px solid var(--line); font-size: 14px;
    }
    .fact-list b { color: var(--gold); font-weight: 600; }
    .catalog-track {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px;
    }
    .dossier {
      padding: 22px 20px 18px; min-height: 210px; display: flex; flex-direction: column;
      transition: transform .2s ease, border-color .2s ease;
    }
    .dossier:hover { transform: translateY(-3px); border-color: rgba(58,123,213,.4); }
    .clause-no { color: var(--gold); font-family: var(--font-serif); font-size: 12px; letter-spacing: 0.16em; }
    .dossier h3 { margin: 12px 0 8px; }
    .dossier p { font-size: 14px; flex: 1; }
    .text-link { color: var(--signal); font-size: 13px; font-weight: 600; }
    .text-link:hover { color: #9CC2F0; }
    .matrix {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px;
    }
    .matrix-card {
      padding: 24px 22px 20px; min-height: 220px;
      background: rgba(14, 26, 46, 0.52);
      backdrop-filter: blur(16px);
      border: 1px solid var(--line);
      border-radius: 12px;
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.06);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .matrix-card:hover {
      transform: translateY(-4px);
      border-color: rgba(58, 123, 213, 0.35);
      box-shadow: var(--shadow-2);
    }
    .matrix-card p { font-size: 14px; }
    .hot-grid { display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 18px; }
    .hot-card { overflow: hidden; position: relative; min-height: 240px; display: flex; flex-direction: column; }
    .hot-card img { width: 100%; height: 210px; object-fit: cover; }
    .hot-card--lead img { height: 320px; }
    .hot-card .body { padding: 20px 22px 22px; }
    .hot-side { display: grid; gap: 18px; }
    .hot-card--lead { min-height: 100%; }
    .scene-line { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; position: relative; }
    .scene-line::before {
      content: ""; position: absolute; left: 8%; right: 8%; top: 22px; height: 1px; background: var(--gold-soft);
    }
    .scene-item { padding: 0 16px 8px; }
    .scene-dot {
      width: 12px; height: 12px; border-radius: 50%; background: var(--primary);
      border: 2px solid var(--gold); margin-bottom: 18px; position: relative; z-index: 1;
    }
    .scene-item h3 { font-size: 17px; }
    .scene-item p { font-size: 14px; }
    .demo-wrap { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 36px; align-items: center; }
    .steps { display: grid; gap: 12px; }
    .step {
      display: grid; grid-template-columns: 56px 1fr; gap: 12px; align-items: start;
      padding: 14px 16px; border-radius: 10px;
    }
    .step b { color: var(--gold); font-family: var(--font-serif); }
    .doc-stage {
      border-radius: 12px; overflow: hidden; border: 1px solid var(--line);
      background: #0A1424; min-height: 420px; position: relative;
    }
    .doc-stage img { width: 100%; height: 420px; object-fit: cover; opacity: 0.88; }
    .doc-overlay {
      position: absolute; left: 16px; right: 16px; bottom: 16px;
      padding: 14px 16px; border-radius: 8px;
    }
    .topic-split { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 40px; align-items: start; }
    .risk-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 8px; }
    .tag {
      border: 1px solid var(--gold-soft); color: #E6D3A8; font-size: 12px;
      padding: 4px 10px; border-radius: 8px; background: rgba(176,137,79,0.08);
    }
    .check-list { display: grid; gap: 10px; margin-top: 12px; }
    .check-list li {
      padding: 12px 14px 12px 36px; position: relative; border: 1px solid var(--line);
      border-radius: 8px; font-size: 14px; color: var(--ink-soft);
    }
    .check-list li::before {
      content: ""; position: absolute; left: 14px; top: 18px; width: 8px; height: 8px;
      border: 1px solid var(--gold); border-radius: 2px;
    }
    .contrast {
      display: grid; grid-template-columns: 1fr 1fr; border-radius: 12px; overflow: hidden;
      border: 1px solid var(--line);
    }
    .contrast article { padding: 32px 28px; }
    .contrast article:first-child { background: rgba(8, 14, 24, 0.7); }
    .contrast article:last-child { background: rgba(30, 79, 140, 0.22); }
    .cases { background: linear-gradient(180deg, #070B14 0%, #0A1628 100%); }
    .case-row {
      display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 32px; align-items: center;
      margin-bottom: 48px;
    }
    .case-row--reverse { grid-template-columns: 1.1fr 0.9fr; }
    .case-row--reverse .case-photo { order: 2; }
    .case-photo { border-radius: 12px; overflow: hidden; min-height: 280px; }
    .case-photo img { width: 100%; height: 300px; object-fit: cover; }
    .meta-line { font-size: 12px; color: var(--gold); letter-spacing: 0.08em; margin-bottom: 8px; }
    .story-grid { display: grid; grid-template-columns: 1.4fr 0.8fr; gap: 18px; }
    .story-main { padding: 32px; min-height: 320px; }
    .story-side { display: grid; gap: 18px; }
    .story-side article { padding: 22px; }
    .quote { font-family: var(--font-serif); font-size: 18px; color: #F1F4F8; margin-bottom: 16px; }
    .price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .price-card { padding: 28px 24px; position: relative; }
    .price-card.is-featured {
      border-color: rgba(58, 123, 213, 0.55);
      box-shadow: 0 0 0 1px rgba(58,123,213,0.25), 0 0 28px rgba(30,79,140,0.28);
    }
    .price-card .amount { font-family: var(--font-serif); font-size: 28px; color: #fff; margin: 8px 0 16px; }
    .price-card .amount small { font-size: 13px; color: var(--muted); margin-left: 6px; font-family: var(--font-sans); }
    .inc, .exc { font-size: 13px; color: var(--ink-soft); }
    .inc li, .exc li { padding: 6px 0 6px 16px; position: relative; }
    .inc li::before { content: "含"; position: absolute; left: 0; color: var(--gold); font-size: 11px; }
    .exc li::before { content: "除"; position: absolute; left: 0; color: var(--muted); font-size: 11px; }
    .badge {
      display: inline-block; font-size: 11px; letter-spacing: 0.12em; color: var(--gold);
      border: 1px solid var(--gold-soft); padding: 3px 8px; border-radius: 8px; margin-bottom: 10px;
    }
    .custom-row {
      margin-top: 18px; padding: 18px 22px;
      display: flex; justify-content: space-between; gap: 16px; align-items: center;
    }
    .compare { width: 100%; border-collapse: collapse; margin-top: 28px; font-size: 14px; }
    .compare th, .compare td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); }
    .compare th { color: var(--gold); font-weight: 600; }
    .stats {
      padding: 56px 0; background: #08101C;
      border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
    }
    .stats-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; }
    .stat { text-align: left; padding: 8px 8px; }
    .stat b { display: block; font-family: var(--font-serif); font-size: 22px; color: #fff; margin-bottom: 6px; }
    .stat span { color: var(--muted); font-size: 12px; line-height: 1.6; }
    .review-wall {
      display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
    }
    .review {
      padding: 18px 16px; font-size: 14px; min-height: 170px;
      display: flex; flex-direction: column; justify-content: space-between;
    }
    .review footer { color: var(--gold); font-size: 12px; margin-top: 12px; }
    .rep-track {
      display: flex; gap: 14px; overflow-x: auto; padding-bottom: 8px;
      scroll-snap-type: x mandatory;
    }
    .stamp {
      min-width: 180px; scroll-snap-align: start;
      border: 1px dashed var(--gold-soft); border-radius: 10px;
      padding: 22px 16px; text-align: center; color: #E6D3A8;
      letter-spacing: 0.18em; font-family: var(--font-serif);
      background: rgba(176, 137, 79, 0.06);
    }
    .rep-quotes { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 22px; }
    .news-layout { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 18px; }
    .news-feature { overflow: hidden; }
    .news-feature img { width: 100%; height: 260px; object-fit: cover; }
    .news-feature .body, .news-list a { padding: 18px 20px; }
    .news-list { display: grid; gap: 12px; }
    .news-list a {
      display: block; color: inherit; border-radius: 10px;
    }
    .news-list a:hover { border-color: rgba(58,123,213,.4); color: inherit; }
    .news-list h3 { font-size: 16px; margin-bottom: 6px; }
    .news-list p, .news-feature p { font-size: 14px; }
    .faq-list { display: grid; gap: 10px; max-width: 860px; }
    .faq-item { overflow: hidden; }
    .faq-item button {
      width: 100%; text-align: left; padding: 16px 48px 16px 18px;
      min-height: 56px; position: relative; color: #fff; font-size: 16px; font-weight: 600;
    }
    .faq-item button::after {
      content: "+"; position: absolute; right: 18px; top: 50%; transform: translateY(-50%);
      color: var(--gold); font-size: 20px;
    }
    .faq-item.is-open button::after { content: "–"; }
    .faq-item .answer { display: none; padding: 0 18px 16px; color: var(--ink-soft); font-size: 14px; }
    .faq-item.is-open .answer { display: block; }
    .cta-band { padding: 88px 0; }
    .cta-box {
      display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 28px;
      padding: 32px; border-radius: 12px;
    }
    form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .field { display: flex; flex-direction: column; gap: 6px; }
    .field.full { grid-column: 1 / -1; }
    label { font-size: 13px; color: var(--muted); }
    input, select, textarea {
      background: rgba(7, 11, 20, 0.65); border: 1px solid var(--line);
      color: #fff; border-radius: 8px; min-height: 44px; padding: 8px 12px;
    }
    textarea { min-height: 96px; resize: vertical; }
    .error { color: #E2B56B; font-size: 12px; min-height: 16px; }
    .form-note { font-size: 13px; color: var(--muted); margin-top: 8px; }
    .cta-side .contact-line { margin: 10px 0; color: var(--ink-soft); }
    .cta-side a { color: #fff; }
    .site-footer {
      border-top: 1px solid var(--gold-soft);
      background: #070B14; padding: 48px 0 28px; position: relative; z-index: 1;
    }
    .footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1fr; gap: 28px; margin-bottom: 28px; }
    .footer-grid h3 { font-size: 16px; }
    .footer-grid a { display: block; color: var(--ink-soft); padding: 6px 0; min-height: 36px; }
    .copy { border-top: 1px solid var(--line); padding-top: 16px; color: var(--muted); font-size: 12px; }
    @media (max-width: 1280px) {
      .hero-content { margin-left: 32px; }
      .stats-grid { grid-template-columns: repeat(3, 1fr); gap: 18px; }
    }
    @media (max-width: 1024px) {
      section { padding: 80px 0; }
      .navbar .container { grid-template-columns: auto auto; }
      .nav-links { display: none; }
      .menu-toggle { display: inline-flex; }
      .hero-slash { width: 78%; }
      .intro-grid, .demo-wrap, .topic-split, .story-grid, .cta-box, .news-layout { grid-template-columns: 1fr; }
      .case-row, .case-row--reverse { grid-template-columns: 1fr; }
      .case-row--reverse .case-photo { order: 0; }
      .matrix { grid-template-columns: repeat(2, 1fr); }
      .catalog-track, .hot-grid, .price-grid, .review-wall, .contrast, .rep-quotes { grid-template-columns: 1fr 1fr; }
      .scene-line { grid-template-columns: 1fr 1fr; gap: 24px 12px; }
      .scene-line::before { display: none; }
      .slide-note { display: none; }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
      .container { width: min(100% - 32px, var(--container)); }
      .topbar { display: none; }
      section { padding: 64px 0; }
      .hero-slash {
        width: 100%;
        clip-path: polygon(0 0, 100% 0, 100% 92%, 0 100%);
        min-height: 88vh;
      }
      .hero-content { margin-left: 20px; width: min(100% - 32px, 640px); padding-top: 72px; }
      .hero-dots { right: 16px; bottom: 20px; }
      .catalog-track, .matrix, .hot-grid, .price-grid, .review-wall, .contrast, .rep-quotes, .stats-grid, .footer-grid {
        grid-template-columns: 1fr;
      }
      .scene-line { grid-template-columns: 1fr; }
      form { grid-template-columns: 1fr; }
      .custom-row { flex-direction: column; align-items: flex-start; }
      .intro-photo, .intro-photo img, .doc-stage img, .case-photo img { min-height: 240px; height: 240px; }
    }
    @media (max-width: 520px) {
      .hero { min-height: 92vh; }
      h1 { font-size: 26px; }
      .btn { width: 100%; }
      .hero-actions { width: 100%; }
      .logo-text small { letter-spacing: 0.06em; }
      .review-wall { grid-template-columns: 1fr; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
      }
    }