/* roulang page: index */
:root {
      --ink-900: #122824;
      --moss-800: #1F4E45;
      --moss-500: #3E7F6E;
      --moss-200: #C9DDD5;
      --paper: #F4EFE6;
      --paper-2: #E7EDE8;
      --seal: #A67C43;
      --seal-2: #C4A35A;
      --danger-mute: #8C4A3A;
      --white: #FBF9F4;
      --r-card: 22px;
      --r-btn: 12px;
      --shadow-1: 0 8px 24px rgba(18, 40, 36, .10);
      --shadow-2: 0 14px 32px rgba(18, 40, 36, .16);
      --container: 1240px;
      --nav-h: 72px;
      --topbar-h: 38px;
      --grad-btn: linear-gradient(135deg, #1F4E45, #3E7F6E);
      --grad-dark: radial-gradient(1200px 480px at 20% -10%, #1F4E45 0%, #0F241F 62%);
      --font-serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
      --font-sans: "Noto 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: 1.75;
      color: var(--ink-900);
      background: var(--paper);
      overflow-x: hidden;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--moss-800); text-decoration: none; }
    a:hover { color: var(--seal); }
    button, input, select, textarea { font-family: inherit; font-size: 16px; }
    button { cursor: pointer; border: 0; background: none; }
    h1, h2, h3, h4 { font-family: var(--font-serif); font-weight: 700; line-height: 1.28; color: var(--ink-900); margin: 0 0 14px; }
    h1 { font-size: 44px; }
    h2 { font-size: 30px; }
    h3 { font-size: 20px; }
    p { margin: 0 0 14px; }
    ul { margin: 0; padding: 0; list-style: none; }
    :focus-visible { outline: 2px solid var(--seal); outline-offset: 3px; }
    .skip {
      position: absolute; left: -999px; top: 8px; background: var(--seal); color: #fff;
      padding: 8px 14px; border-radius: 8px; z-index: 100;
    }
    .skip:focus { left: 12px; }
    .container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
    .topbar {
      height: var(--topbar-h);
      background: var(--moss-800);
      color: var(--moss-200);
      font-size: 13px;
    }
    .topbar .container {
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }
    .topbar a { color: var(--white); }
    .topbar a:hover { color: var(--seal-2); }
    .topbar-left, .topbar-right { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
    .topbar-cta {
      display: inline-flex; align-items: center; height: 26px; padding: 0 12px;
      border: 1px solid var(--seal-2); border-radius: 999px; color: var(--seal-2) !important; letter-spacing: .04em;
    }
    .site-header {
      position: sticky; top: 0; z-index: 80;
      background: rgba(251, 249, 244, .94);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(31, 78, 69, .08);
    }
    .site-header.is-scrolled { box-shadow: var(--shadow-1); }
    .nav-main {
      height: var(--nav-h);
      display: flex; align-items: center; justify-content: space-between; gap: 20px;
    }
    .logo {
      font-family: var(--font-serif);
      font-weight: 700;
      font-size: 20px;
      color: var(--moss-800);
      letter-spacing: .04em;
      white-space: nowrap;
    }
    .logo span { color: var(--seal); }
    .nav-links { display: flex; align-items: center; gap: 4px; }
    .nav-links a {
      position: relative;
      color: var(--ink-900);
      padding: 10px 12px;
      font-size: 15px;
      min-height: 44px;
      display: inline-flex; align-items: center;
    }
    .nav-links a::after {
      content: "";
      position: absolute; left: 12px; right: 12px; bottom: 6px; height: 2px;
      background: var(--seal); transform: scaleX(0); transform-origin: left; transition: transform .2s ease;
    }
    .nav-links a:hover, .nav-links a.is-active { color: var(--moss-800); }
    .nav-links a.is-active::after, .nav-links a:hover::after { transform: scaleX(1); }
    .btn {
      display: inline-flex; align-items: center; justify-content: center;
      min-height: 44px; padding: 0 22px; border-radius: var(--r-btn);
      font-weight: 600; letter-spacing: .02em; transition: transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
    }
    .btn-primary {
      background: var(--grad-btn); color: var(--white); box-shadow: var(--shadow-1);
    }
    .btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); color: var(--white); }
    .btn-primary:active { transform: translateY(0); }
    .btn-ghost {
      background: var(--white); color: var(--moss-800); border: 1.5px solid var(--moss-800);
    }
    .btn-ghost:hover { transform: translateY(-2px); box-shadow: var(--shadow-1); color: var(--moss-800); }
    .btn-pill { border-radius: 999px; }
    .btn-nav {
      background: var(--moss-800); color: var(--white);
      border: 1.5px solid var(--seal); min-width: 108px;
    }
    .btn-nav:hover { background: #173c35; color: var(--white); transform: translateY(-1px); }
    .menu-toggle {
      display: none; width: 44px; height: 44px; border-radius: 10px;
      border: 1px solid rgba(31, 78, 69, .2); align-items: center; justify-content: center; flex-direction: column; gap: 5px;
    }
    .menu-toggle span { width: 18px; height: 2px; background: var(--moss-800); display: block; }
    .drawer {
      position: fixed; inset: 0 0 0 auto; width: min(86vw, 360px);
      background: var(--white); z-index: 90; transform: translateX(100%);
      transition: transform .28s ease; box-shadow: var(--shadow-2); padding: 24px;
      display: flex; flex-direction: column; gap: 8px;
    }
    .drawer.is-open { transform: translateX(0); }
    .drawer-mask {
      position: fixed; inset: 0; background: rgba(18, 40, 36, .45); z-index: 85;
      opacity: 0; pointer-events: none; transition: opacity .28s ease;
    }
    .drawer-mask.is-open { opacity: 1; pointer-events: auto; }
    .drawer a {
      min-height: 44px; display: flex; align-items: center;
      border-bottom: 1px solid rgba(31, 78, 69, .08); color: var(--ink-900); font-size: 16px;
    }
    .drawer .drawer-phone { color: var(--moss-800); font-weight: 600; border-bottom: 0; margin-bottom: 8px; }
    section { padding: 96px 0; position: relative; }
    .sec-paper { background: var(--paper); }
    .sec-alt { background: var(--paper-2); }
    .sec-lead { max-width: 760px; color: rgba(18, 40, 36, .82); margin-bottom: 32px; }
    .kicker {
      display: inline-flex; align-items: center; gap: 8px;
      color: var(--seal); font-size: 13px; letter-spacing: .18em; font-weight: 600; margin-bottom: 10px;
    }
    .kicker::before { content: ""; width: 18px; height: 1px; background: var(--seal); }
    .badge {
      display: inline-flex; align-items: center; gap: 6px;
      padding: 4px 12px; border-radius: 999px; background: var(--moss-200); color: var(--moss-800);
      font-size: 13px; font-weight: 600;
    }
    .data-badge {
      display: inline-flex; flex-direction: column; align-items: flex-start; justify-content: center;
      min-height: 88px; padding: 14px 18px; border-radius: 18px;
      background:
        linear-gradient(var(--white), var(--white)) padding-box,
        linear-gradient(135deg, var(--seal-2), var(--moss-800)) border-box;
      border: 1.5px solid transparent;
      box-shadow: var(--shadow-1);
    }
    .data-badge strong {
      font-family: var(--font-serif); font-size: 32px; color: var(--seal); line-height: 1.1;
    }
    .data-badge span { font-size: 13px; color: rgba(18, 40, 36, .7); }
    .hero {
      padding: 0; background: var(--ink-900); color: var(--white); min-height: 640px; overflow: hidden;
    }
    .hero-track { position: relative; min-height: 640px; }
    .hero-slide {
      position: absolute; inset: 0; opacity: 0; pointer-events: none;
      transition: opacity .7s ease;
      background-size: cover; background-position: center;
    }
    .hero-slide.is-on { opacity: 1; pointer-events: auto; z-index: 1; }
    .hero-slide::before {
      content: ""; position: absolute; inset: 0;
      background: linear-gradient(90deg, rgba(15, 36, 31, .82) 0%, rgba(15, 36, 31, .55) 48%, rgba(15, 36, 31, .28) 100%);
    }
    .hero-inner {
      position: relative; z-index: 2; min-height: 640px;
      display: flex; align-items: center; padding: 72px 0 88px;
    }
    .hero-copy { max-width: 720px; color: var(--white); }
    .hero-title, .hero h1 {
      font-family: var(--font-serif); font-size: 44px; line-height: 1.22; margin-bottom: 16px; color: var(--white);
    }
    .hero p { color: rgba(251, 249, 244, .9); }
    .hero-intro { font-size: 16px; line-height: 1.8; margin-bottom: 22px; max-width: 640px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 8px; }
    .promo-seal {
      position: absolute; right: 7%; top: 18%; z-index: 3;
      width: 118px; height: 118px; border-radius: 50%;
      background: radial-gradient(circle at 35% 30%, var(--seal-2), var(--seal) 70%);
      color: var(--white); display: flex; flex-direction: column; align-items: center; justify-content: center;
      transform: rotate(12deg); box-shadow: 0 10px 24px rgba(166, 124, 67, .35);
      font-family: var(--font-serif); text-align: center; line-height: 1.25;
    }
    .promo-seal b { font-size: 18px; }
    .promo-seal small { font-size: 12px; font-family: var(--font-sans); opacity: .92; }
    .hero-nav {
      position: absolute; z-index: 4; bottom: 28px; left: 0; right: 0;
      display: flex; align-items: center; justify-content: space-between;
      width: min(var(--container), calc(100% - 40px)); margin: 0 auto;
    }
    .hero-arrows { display: flex; gap: 8px; }
    .hero-btn {
      width: 44px; height: 44px; border-radius: 50%;
      border: 1px solid rgba(251, 249, 244, .4); color: var(--white);
      display: grid; place-items: center; background: rgba(18, 40, 36, .35);
    }
    .hero-btn:hover { background: var(--seal); border-color: var(--seal); }
    .hero-dots { display: flex; gap: 8px; }
    .hero-dots button {
      width: 44px; height: 44px; display: grid; place-items: center;
    }
    .hero-dots button i {
      display: block; width: 10px; height: 10px; border-radius: 50%;
      background: rgba(251, 249, 244, .4);
    }
    .hero-dots button.is-on i { background: var(--seal-2); transform: scale(1.2); }
    .split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
    .about-figure {
      border-radius: var(--r-card); overflow: hidden; box-shadow: var(--shadow-2);
      min-height: 420px; position: relative;
    }
    .about-figure img { width: 100%; height: 420px; object-fit: cover; }
    .verify-list { display: grid; gap: 10px; margin-top: 18px; }
    .verify-list li {
      background: var(--white); border-radius: 14px; padding: 12px 16px;
      border: 1px solid rgba(31, 78, 69, .08); box-shadow: var(--shadow-1);
      font-size: 15px;
    }
    .verify-list b { color: var(--moss-800); }
    .matrix {
      display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
    }
    .m-card {
      background: var(--white); border-radius: var(--r-card); padding: 26px 24px 24px;
      box-shadow: var(--shadow-1); min-height: 230px;
      border: 1.5px solid transparent;
      background-image: linear-gradient(var(--white), var(--white)), linear-gradient(135deg, rgba(166,124,67,0), rgba(62,127,110,0));
      background-origin: border-box; background-clip: padding-box, border-box;
      transition: transform .22s ease, box-shadow .22s ease;
    }
    .m-card:hover {
      transform: translateY(-6px); box-shadow: var(--shadow-2);
      background-image: linear-gradient(var(--white), var(--white)), linear-gradient(135deg, var(--seal), var(--moss-500));
    }
    .m-no {
      font-family: var(--font-serif); color: var(--seal); font-size: 28px; display: block; margin-bottom: 8px;
    }
    .m-card h3 { margin-bottom: 8px; }
    .m-card p { color: rgba(18, 40, 36, .78); margin: 0; font-size: 15px; }
    .m-card.alt { padding-top: 0; overflow: hidden; }
    .m-card .strip {
      height: 8px; background: linear-gradient(90deg, var(--moss-800), var(--seal)); margin: 0 -24px 18px;
    }
    .m-metric {
      display: flex; align-items: baseline; gap: 8px; margin-bottom: 8px;
    }
    .m-metric b { font-family: var(--font-serif); font-size: 36px; color: var(--moss-800); }
    .hot-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .hot-card {
      position: relative; border-radius: var(--r-card); overflow: hidden; min-height: 360px;
      box-shadow: var(--shadow-1); color: var(--white); display: flex; align-items: flex-end;
      transition: transform .22s ease, box-shadow .22s ease;
    }
    .hot-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-2); }
    .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(18,40,36,.05) 20%, rgba(15,36,31,.88) 100%);
    }
    .hot-body { position: relative; z-index: 1; padding: 24px; }
    .hot-body h3 { color: var(--white); }
    .hot-body p { color: rgba(251,249,244,.88); margin: 0; font-size: 15px; }
    .hot-badge {
      position: absolute; top: 16px; right: 16px; z-index: 2;
      background: linear-gradient(135deg, var(--seal-2), var(--seal));
      color: var(--white); border-radius: 999px; padding: 6px 12px; font-size: 12px; font-weight: 700;
    }
    .scene-list { display: grid; gap: 18px; }
    .scene-row {
      display: grid; grid-template-columns: 220px 1fr auto; gap: 24px; align-items: center;
      background: var(--white); border-radius: var(--r-card); padding: 22px 24px;
      box-shadow: var(--shadow-1); border: 1.5px solid rgba(31,78,69,.06);
    }
    .scene-row h3 { margin: 0 0 6px; }
    .scene-row ul { display: grid; gap: 4px; }
    .scene-row li { position: relative; padding-left: 16px; color: rgba(18,40,36,.8); font-size: 15px; }
    .scene-row li::before { content: ""; position: absolute; left: 0; top: 10px; width: 7px; height: 7px; border-radius: 50%; background: var(--seal); }
    .demo-wrap { display: grid; grid-template-columns: 1.2fr .8fr; gap: 36px; align-items: center; }
    .device {
      background: #1a332e; border-radius: 28px; padding: 16px 16px 22px; box-shadow: var(--shadow-2);
    }
    .device-bar { height: 10px; display: flex; justify-content: center; margin-bottom: 12px; }
    .device-bar i { width: 68px; height: 6px; border-radius: 99px; background: rgba(251,249,244,.25); }
    .shots { display: grid; grid-template-columns: 1.2fr .8fr; gap: 10px; }
    .shots img { width: 100%; height: 220px; object-fit: cover; border-radius: 14px; }
    .shots img.tall { height: 100%; min-height: 220px; }
    .steps { display: grid; gap: 14px; }
    .step {
      display: grid; grid-template-columns: 48px 1fr; gap: 12px; align-items: start;
      background: var(--white); padding: 14px 16px; border-radius: 16px; box-shadow: var(--shadow-1);
    }
    .step b {
      width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center;
      background: var(--moss-200); color: var(--moss-800); font-family: var(--font-serif);
    }
    .dark-sec {
      background: var(--grad-dark); color: var(--white);
      padding: 96px 0; border-top: 1px solid var(--seal);
    }
    .dark-sec h2, .dark-sec h3 { color: var(--white); }
    .dark-sec .sec-lead { color: rgba(251,249,244,.82); }
    .dark-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 36px; }
    .case-cards { display: grid; gap: 16px; }
    .case-card {
      background: rgba(251,249,244,.06); border: 1px solid rgba(196,163,90,.25);
      border-radius: 18px; padding: 18px 20px;
    }
    .case-card p { margin: 0; color: rgba(251,249,244,.86); font-size: 15px; }
    .price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
    .price-card {
      background: var(--white); border-radius: var(--r-card); padding: 28px 24px; box-shadow: var(--shadow-1);
      border: 1.5px solid rgba(31,78,69,.08); display: flex; flex-direction: column; gap: 10px;
    }
    .price-card.featured {
      transform: translateY(-8px);
      background-image: linear-gradient(var(--white), var(--white)), linear-gradient(160deg, var(--seal-2), var(--moss-800));
      background-origin: border-box; background-clip: padding-box, border-box;
      border: 1.5px solid transparent; box-shadow: var(--shadow-2);
    }
    .price-card .yen {
      font-family: var(--font-serif); font-size: 40px; color: var(--moss-800); line-height: 1;
    }
    .price-card .yen small { font-size: 14px; color: rgba(18,40,36,.6); margin-left: 4px; }
    .price-card ul { display: grid; gap: 8px; margin: 8px 0 16px; }
    .price-card li { padding-left: 18px; position: relative; font-size: 15px; color: rgba(18,40,36,.82); }
    .price-card li::before { content: "✓"; position: absolute; left: 0; color: var(--moss-500); font-weight: 700; }
    .fee-note { font-size: 13px; color: rgba(18,40,36,.62); margin-top: 18px; }
    .story-grid { display: grid; grid-template-columns: 1.4fr .8fr; gap: 22px; }
    .story-main, .story-side {
      background: var(--white); border-radius: var(--r-card); box-shadow: var(--shadow-1); padding: 28px;
    }
    .story-main { min-height: 320px; }
    .role { color: var(--seal); font-size: 13px; letter-spacing: .12em; font-weight: 600; margin-bottom: 8px; }
    .side-stack { display: grid; gap: 22px; }
    .stats-bar {
      display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px;
    }
    .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .review-card {
      background: var(--white); border-radius: var(--r-card); padding: 22px; box-shadow: var(--shadow-1);
      border: 1px solid rgba(31,78,69,.06);
    }
    .stars { color: var(--seal); letter-spacing: 2px; margin-bottom: 8px; }
    .review-meta { display: flex; justify-content: space-between; align-items: center; margin-top: 14px; font-size: 13px; color: rgba(18,40,36,.6); }
    .quote-rail {
      display: flex; gap: 18px; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 8px;
    }
    .quote-rail::-webkit-scrollbar { height: 8px; }
    .quote-rail::-webkit-scrollbar-thumb { background: var(--moss-200); border-radius: 8px; }
    .quote-item {
      flex: 0 0 min(78%, 640px); scroll-snap-align: start;
      background: rgba(251,249,244,.72); border-radius: var(--r-card); padding: 28px 32px;
      border: 1px solid rgba(166,124,67,.18);
      background-image: radial-gradient(rgba(31,78,69,.04) 1px, transparent 1px);
      background-size: 12px 12px;
    }
    .quote-item p { font-family: var(--font-serif); font-size: 20px; line-height: 1.7; }
    .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
    .news-card {
      background: var(--white); border-radius: var(--r-card); overflow: hidden; box-shadow: var(--shadow-1);
      display: flex; flex-direction: column;
    }
    .news-card img { width: 100%; height: 168px; object-fit: cover; }
    .news-card .body { padding: 18px 18px 20px; }
    .news-date { font-size: 13px; color: var(--seal); margin-bottom: 6px; }
    .news-card p { font-size: 14px; color: rgba(18,40,36,.75); margin: 0; }
    .more-link { display: inline-flex; margin-top: 22px; color: var(--moss-800); font-weight: 600; min-height: 44px; align-items: center; }
    .faq-list { display: grid; gap: 0; background: var(--white); border-radius: var(--r-card); overflow: hidden; box-shadow: var(--shadow-1); }
    .faq-item { border-top: 1px solid rgba(31,78,69,.1); }
    .faq-item:first-child { border-top: 0; }
    .faq-q {
      width: 100%; text-align: left; padding: 18px 22px; min-height: 56px;
      display: flex; justify-content: space-between; gap: 16px; align-items: center;
      font-weight: 600; color: var(--ink-900);
    }
    .faq-q i {
      width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--moss-200);
      display: grid; place-items: center; transition: transform .2s ease; color: var(--moss-800); flex: none;
    }
    .faq-item.is-open .faq-q i { transform: rotate(45deg); background: var(--moss-200); }
    .faq-a { display: none; padding: 0 22px 18px; color: rgba(18,40,36,.8); background: var(--paper); }
    .faq-item.is-open .faq-a { display: block; }
    .cta-sec {
      background: var(--grad-dark); color: var(--white); padding: 96px 0;
      border-top: 1px solid var(--seal);
    }
    .cta-sec h2 { color: var(--white); }
    .cta-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 36px; }
    .form-card {
      background: rgba(251,249,244,.96); color: var(--ink-900);
      border-radius: var(--r-card); padding: 28px; box-shadow: var(--shadow-2);
    }
    label { display: block; font-size: 14px; font-weight: 600; margin: 12px 0 6px; }
    input[type="text"], input[type="tel"], select, textarea {
      width: 100%; border: 1.5px solid rgba(31,78,69,.18); border-radius: var(--r-btn);
      padding: 11px 12px; background: var(--white); color: var(--ink-900);
    }
    input:focus, select:focus, textarea:focus { border-color: var(--moss-500); outline: none; box-shadow: 0 0 0 3px rgba(62,127,110,.15); }
    input.is-error, select.is-error, textarea.is-error { border-color: var(--danger-mute); }
    textarea { min-height: 110px; resize: vertical; }
    .check { display: flex; gap: 8px; align-items: flex-start; font-size: 13px; color: rgba(18,40,36,.75); margin: 14px 0; }
    .form-msg { padding: 10px 12px; border-radius: 10px; margin-bottom: 10px; font-size: 14px; }
    .form-msg.ok { background: var(--moss-200); color: var(--moss-800); }
    .form-msg.err { background: #f3e4e0; color: var(--danger-mute); }
    .cta-aside {
      background: rgba(251,249,244,.06); border: 1px solid rgba(196,163,90,.28);
      border-radius: var(--r-card); padding: 28px;
    }
    .cta-aside a { color: var(--seal-2); }
    .cta-aside p { color: rgba(251,249,244,.86); }
    .site-footer {
      background: var(--ink-900); color: rgba(251,249,244,.82); padding: 56px 0 28px;
      position: relative;
    }
    .site-footer::before {
      content: ""; position: absolute; left: 24px; right: 24px; top: 0; height: 8px;
      background: repeating-radial-gradient(circle at 8px 4px, rgba(196,163,90,.45) 0 2px, transparent 3px 18px);
      opacity: .5;
    }
    .foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 28px; }
    .site-footer h3 { color: var(--white); font-size: 16px; }
    .site-footer a { color: rgba(251,249,244,.82); }
    .site-footer a:hover { color: var(--seal-2); }
    .foot-copy {
      margin-top: 28px; padding-top: 18px; border-top: 1px solid rgba(251,249,244,.1);
      font-size: 13px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
    }
    @media (max-width: 1280px) {
      h1, .hero-title, .hero h1 { font-size: 40px; }
    }
    @media (max-width: 1024px) {
      section, .dark-sec, .cta-sec { padding: 80px 0; }
      .split, .demo-wrap, .dark-grid, .story-grid, .cta-grid { grid-template-columns: 1fr; }
      .matrix, .hot-grid, .price-grid, .review-grid, .news-grid { grid-template-columns: 1fr 1fr; }
      .stats-bar { grid-template-columns: 1fr 1fr 1fr; }
      .scene-row { grid-template-columns: 1fr; }
      .promo-seal { right: 4%; top: 12%; width: 96px; height: 96px; }
      .foot-grid { grid-template-columns: 1fr 1fr; }
      .price-card.featured { transform: none; }
    }
    @media (max-width: 768px) {
      .topbar { display: none; }
      .nav-links, .btn-nav { display: none; }
      .menu-toggle { display: flex; }
      h1, .hero-title, .hero h1 { font-size: 30px; }
      h2 { font-size: 23px; }
      .hero-track, .hero-inner { min-height: 560px; }
      .matrix, .hot-grid, .price-grid, .review-grid, .news-grid, .stats-bar { grid-template-columns: 1fr; }
      .shots { grid-template-columns: 1fr; }
      .promo-seal { position: relative; right: auto; top: auto; margin: 0 0 18px; transform: rotate(8deg); }
      .hero-inner { padding: 36px 0 96px; }
      .container { width: min(var(--container), calc(100% - 28px)); }
      section, .dark-sec, .cta-sec { padding: 64px 0; }
      .foot-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 375px) {
      h1, .hero-title, .hero h1 { font-size: 28px; }
      .btn { width: 100%; }
      .hero-actions { flex-direction: column; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      .hero-slide { transition: none; }
    }

/* roulang page: index */
:root {
      --ink-900: #122824;
      --moss-800: #1F4E45;
      --moss-500: #3E7F6E;
      --moss-200: #C9DDD5;
      --paper: #F4EFE6;
      --paper-2: #E7EDE8;
      --seal: #A67C43;
      --seal-2: #C4A35A;
      --danger-mute: #8C4A3A;
      --white: #FBF9F4;
      --r-card: 22px;
      --r-btn: 12px;
      --r-pill: 999px;
      --shadow: 0 10px 28px rgba(18, 40, 36, .10);
      --shadow-2: 0 16px 36px rgba(18, 40, 36, .16);
      --container: 1240px;
      --nav-h: 72px;
      --ease: cubic-bezier(.22, .8, .28, 1);
      --grad-btn: linear-gradient(135deg, #1F4E45, #3E7F6E);
      --grad-dark: radial-gradient(1200px 520px at 18% -8%, #1F4E45 0%, #0F241F 62%);
      --grad-seal: linear-gradient(135deg, #C4A35A, #1F4E45);
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      font-size: 16px;
      line-height: 1.75;
      color: var(--ink-900);
      background: var(--paper);
      overflow-x: hidden;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { color: var(--moss-800); text-decoration: none; }
    a:hover { color: var(--seal); }
    button, input, select, textarea { font-family: inherit; font-size: 16px; }
    button { cursor: pointer; border: 0; background: none; }
    h1, h2, h3, .logo, .num, .price-num {
      font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
      font-weight: 700;
      letter-spacing: .02em;
      line-height: 1.28;
      margin: 0;
    }
    h1 { font-size: 44px; }
    h2 { font-size: 30px; }
    h3 { font-size: 20px; }
    p { margin: 0 0 1em; }
    ul { margin: 0; padding: 0; list-style: none; }
    .sr-only {
      position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
      overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
    }
    .container { width: min(100% - 40px, var(--container)); margin: 0 auto; }
    section[id] { scroll-margin-top: 86px; }
    .topbar {
      background: var(--moss-800);
      color: var(--moss-200);
      font-size: 13px;
      height: 38px;
    }
    .topbar-inner {
      height: 38px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }
    .topbar a { color: var(--white); }
    .topbar a:hover { color: var(--seal-2); }
    .topbar-left, .topbar-right { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
    .dot-sep { width: 4px; height: 4px; border-radius: 50%; background: var(--seal); opacity: .8; }
    .nav-main {
      position: sticky; top: 0; z-index: 40;
      background: rgba(251, 249, 244, .94);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid rgba(18, 40, 36, .06);
    }
    .nav-main.is-scrolled { box-shadow: 0 8px 24px rgba(18, 40, 36, .10); }
    .nav-inner {
      min-height: var(--nav-h);
      display: flex;
      align-items: center;
      gap: 20px;
    }
    .logo {
      display: flex; align-items: baseline; gap: 6px;
      color: var(--ink-900); font-size: 20px; white-space: nowrap;
    }
    .logo em { font-style: normal; color: var(--moss-800); }
    .menu { display: flex; align-items: center; gap: 4px; margin-left: auto; }
    .menu a {
      color: var(--ink-900);
      padding: 10px 12px;
      font-size: 15px;
      font-weight: 500;
      position: relative;
      border-radius: 8px;
    }
    .menu a::after {
      content: "";
      position: absolute; left: 12px; right: 12px; bottom: 6px;
      height: 2px; background: var(--seal);
      transform: scaleX(0); transform-origin: left;
      transition: transform .22s var(--ease);
    }
    .menu a:hover, .menu a:focus-visible, .menu a.is-current { color: var(--moss-800); }
    .menu a:hover::after, .menu a.is-current::after { transform: scaleX(1); }
    .btn {
      display: inline-flex; align-items: center; justify-content: center;
      gap: 8px; min-height: 44px; padding: 0 20px;
      border-radius: var(--r-btn); font-weight: 600;
      transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s, color .2s, border-color .2s;
      border: 1.5px solid transparent;
    }
    .btn-primary {
      background: var(--grad-btn); color: var(--white);
      box-shadow: 0 8px 18px rgba(31, 78, 69, .28);
    }
    .btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); color: var(--white); }
    .btn-primary:active { transform: translateY(0) scale(.99); }
    .btn-ghost {
      background: var(--white); color: var(--moss-800);
      border-color: var(--moss-800);
    }
    .btn-ghost:hover { transform: translateY(-2px); border-color: var(--seal); color: var(--seal); box-shadow: var(--shadow); }
    .btn-nav {
      background: var(--moss-800); color: var(--white);
      border: 1.5px solid var(--seal); min-width: 112px; flex-shrink: 0;
    }
    .btn-nav:hover { background: var(--moss-500); color: var(--white); transform: translateY(-1px); }
    .btn-pill { border-radius: var(--r-pill); padding: 0 26px; min-height: 48px; }
    .btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
      outline: 2px solid var(--seal); outline-offset: 3px;
    }
    .burger {
      display: none; width: 44px; height: 44px; margin-left: auto;
      border-radius: 10px; border: 1px solid var(--moss-200);
      align-items: center; justify-content: center; flex-direction: column; gap: 5px;
    }
    .burger span { display: block; width: 18px; height: 2px; background: var(--ink-900); }
    .drawer, .drawer-backdrop { display: none; }
    .tag {
      display: inline-flex; align-items: center; min-height: 28px;
      padding: 0 10px; border-radius: 999px;
      background: var(--moss-200); color: var(--moss-800);
      font-size: 12px; font-weight: 600;
    }
    .badge-data {
      display: inline-flex; align-items: center; gap: 6px;
      min-height: 32px; padding: 4px 12px; border-radius: 999px;
      color: var(--moss-800); font-size: 13px; font-weight: 600;
      background: linear-gradient(var(--white), var(--white)) padding-box,
                  var(--grad-seal) border-box;
      border: 1.5px solid transparent;
    }
    .badge-data .num { font-size: 18px; color: var(--seal); font-variant-numeric: tabular-nums; }
    .kicker {
      display: inline-flex; align-items: center; gap: 8px;
      color: var(--seal); font-size: 13px; font-weight: 700; letter-spacing: .12em;
      text-transform: none; margin-bottom: 12px;
    }
    .kicker::before { content: ""; width: 18px; height: 1.5px; background: var(--seal); }
    .lead { font-size: 16px; color: rgba(18, 40, 36, .82); max-width: 720px; }
    .sec { padding: 96px 0; position: relative; }
    .sec-paper { background: var(--paper); }
    .sec-alt { background: var(--paper-2); }
    .sec-head { margin-bottom: 36px; max-width: 780px; }
    .sec-head h2 { margin-bottom: 14px; }
    .note { font-size: 13px; color: rgba(18, 40, 36, .62); line-height: 1.7; }
    .hero {
      position: relative; min-height: 640px; overflow: hidden;
      background: #0F241F; color: var(--white);
    }
    .slides { position: relative; min-height: 640px; }
    .slide {
      position: absolute; inset: 0; opacity: 0; visibility: hidden;
      transition: opacity .7s ease, visibility .7s;
      display: grid; align-items: center;
    }
    .slide.is-active { opacity: 1; visibility: visible; z-index: 1; }
    .slide-bg {
      position: absolute; inset: 0;
      background-size: cover; background-position: center;
      transform: scale(1.04);
    }
    .slide-bg::after {
      content: ""; position: absolute; inset: 0;
      background: linear-gradient(90deg, rgba(15, 36, 31, .88) 8%, rgba(15, 36, 31, .55) 48%, rgba(15, 36, 31, .28) 100%);
    }
    .slide-content { position: relative; z-index: 2; padding: 72px 0 88px; max-width: 720px; }
    .burst {
      position: absolute; right: 7%; top: 18%; z-index: 3;
      width: 118px; height: 118px; border-radius: 50%;
      background: radial-gradient(circle at 32% 28%, var(--seal-2), var(--seal) 58%, #8a6230);
      color: var(--white); font-family: "Noto Serif SC", serif; font-weight: 700;
      font-size: 13px; line-height: 1.35; text-align: center;
      display: flex; align-items: center; justify-content: center; padding: 12px;
      transform: rotate(11deg);
      box-shadow: 0 10px 24px rgba(166, 124, 67, .38), inset 0 0 0 3px rgba(251, 249, 244, .25);
    }
    .hero h1 { color: var(--white); margin: 0 0 16px; max-width: 16em; }
    .hero .lead { color: rgba(251, 249, 244, .9); margin-bottom: 28px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
    .hero-meta { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0 26px; }
    .slider-btn {
      position: absolute; top: 50%; z-index: 4; width: 44px; height: 44px;
      margin-top: -22px; border-radius: 50%;
      background: rgba(251, 249, 244, .16); color: var(--white);
      border: 1px solid rgba(196, 163, 90, .5);
      display: grid; place-items: center; font-size: 20px;
    }
    .slider-btn:hover { background: rgba(166, 124, 67, .85); }
    .slider-btn.prev { left: 18px; }
    .slider-btn.next { right: 18px; }
    .slider-dots {
      position: absolute; left: 0; right: 0; bottom: 22px; z-index: 4;
      display: flex; justify-content: center; gap: 8px;
    }
    .slider-dots button {
      width: 44px; height: 44px; display: grid; place-items: center;
    }
    .slider-dots button i {
      display: block; width: 10px; height: 10px; border-radius: 50%;
      background: rgba(251, 249, 244, .4); border: 1px solid var(--seal-2);
    }
    .slider-dots button.is-on i { background: var(--seal-2); width: 22px; border-radius: 999px; }
    .split { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
    .cover {
      border-radius: var(--r-card); overflow: hidden; box-shadow: var(--shadow);
      position: relative;
    }
    .cover img { width: 100%; height: 420px; object-fit: cover; }
    .verify { margin-top: 22px; display: grid; gap: 10px; }
    .verify li {
      display: grid; grid-template-columns: 88px 1fr; gap: 12px;
      padding: 12px 14px; background: var(--white);
      border-radius: 14px; border: 1px solid rgba(31, 78, 69, .08);
    }
    .verify b { color: var(--seal); font-size: 13px; padding-top: 2px; }
    .matrix { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
    .mcard {
      background: var(--white); border-radius: var(--r-card);
      padding: 26px 24px 24px; box-shadow: var(--shadow);
      border: 1.5px solid rgba(31, 78, 69, .06);
      min-height: 240px; position: relative; overflow: hidden;
      transition: transform .22s var(--ease), box-shadow .22s var(--ease), border-color .22s;
    }
    .mcard:hover {
      transform: translateY(-6px); box-shadow: var(--shadow-2);
      border-color: transparent;
      background:
        linear-gradient(var(--white), var(--white)) padding-box,
        linear-gradient(135deg, var(--seal), var(--moss-500)) border-box;
      border: 1.5px solid transparent;
    }
    .mcard h3 { margin: 10px 0 8px; }
    .m-num {
      display: inline-flex; min-width: 42px; height: 28px; padding: 0 10px;
      align-items: center; background: var(--ink-900); color: var(--seal-2);
      border-radius: 8px; font-size: 12px; letter-spacing: .08em;
    }
    .mcard-b { padding-top: 48px; }
    .mcard-b .badge-data { position: absolute; top: 18px; right: 18px; }
    .mcard-c { display: grid; grid-template-columns: 52px 1fr; gap: 14px; }
    .ico {
      width: 52px; height: 52px; border-radius: 16px;
      background: var(--paper-2); color: var(--moss-800);
      display: grid; place-items: center; font-family: "Noto Serif SC", serif; font-size: 22px;
      border: 1px solid var(--moss-200);
    }
    .mcard-d { border-bottom: 4px solid var(--seal); }
    .mcard-e .giant { font-size: 42px; color: var(--moss-200); line-height: 1; }
    .stamp {
      position: absolute; right: -12px; bottom: -18px; width: 90px; height: 90px;
      border: 3px solid rgba(166, 124, 67, .35); border-radius: 50%;
      transform: rotate(-18deg); color: rgba(166, 124, 67, .4);
      display: grid; place-items: center; font-family: "Noto Serif SC", serif; font-size: 13px; font-weight: 700;
    }
    .hot-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
    .hot-card {
      position: relative; min-height: 420px; border-radius: var(--r-card); overflow: hidden;
      box-shadow: var(--shadow); color: var(--white); display: flex; align-items: flex-end;
    }
    .hot-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
    .hot-mask {
      position: relative; z-index: 1; width: 100%;
      padding: 28px 24px 24px;
      background: linear-gradient(180deg, transparent 0%, rgba(15, 36, 31, .92) 70%);
    }
    .hot-card .badge-data { position: absolute; top: 18px; left: 18px; z-index: 2; background: var(--paper); }
    .scene-list { display: grid; gap: 16px; }
    .scene {
      display: grid; grid-template-columns: 160px 1fr auto; gap: 20px; align-items: center;
      background: var(--white); border-radius: var(--r-card); padding: 22px 24px;
      box-shadow: var(--shadow); border-left: 5px solid var(--moss-800);
    }
    .scene h3 { font-size: 18px; }
    .scene ul { display: grid; gap: 4px; color: rgba(18, 40, 36, .8); font-size: 15px; }
    .scene ul li::before { content: "▣ "; color: var(--seal); }
    .demo-grid { display: grid; grid-template-columns: 1.4fr .8fr; gap: 32px; align-items: center; }
    .dossier { display: grid; grid-template-columns: 1.2fr .9fr; gap: 16px; }
    .device {
      background: var(--ink-900); border-radius: 28px; padding: 14px 14px 18px;
      box-shadow: var(--shadow-2); border: 1px solid rgba(196, 163, 90, .35);
    }
    .device img { border-radius: 16px; height: 280px; width: 100%; object-fit: cover; }
    .stack { display: grid; gap: 12px; }
    .stack img { height: 134px; width: 100%; object-fit: cover; border-radius: 16px; box-shadow: var(--shadow); }
    .steps { display: grid; gap: 14px; }
    .step {
      display: grid; grid-template-columns: 48px 1fr; gap: 12px; align-items: start;
      padding: 14px 16px; background: var(--white); border-radius: 16px;
    }
    .step .num { font-size: 22px; color: var(--seal); }
    .sec-dark {
      background: var(--grad-dark); color: var(--white);
      box-shadow: inset 0 1px 0 var(--seal);
    }
    .sec-dark .lead { color: rgba(251, 249, 244, .82); }
    .dark-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 36px; align-items: start; }
    .ideology { font-size: 28px; line-height: 1.45; max-width: 16em; }
    .case-grid { display: grid; gap: 16px; }
    .case-card {
      background: rgba(251, 249, 244, .06); border: 1px solid rgba(196, 163, 90, .28);
      border-radius: 18px; padding: 20px 22px;
    }
    .case-card h3 { color: var(--seal-2); margin-bottom: 8px; font-size: 18px; }
    .case-card p { margin: 0; color: rgba(251, 249, 244, .86); font-size: 15px; }
    .price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: stretch; }
    .price-card {
      background: var(--white); border-radius: var(--r-card); padding: 28px 26px 24px;
      box-shadow: var(--shadow); border: 1.5px solid rgba(31, 78, 69, .08);
      display: flex; flex-direction: column; gap: 10px;
    }
    .price-card.featured {
      transform: translateY(-8px);
      background:
        linear-gradient(var(--white), var(--white)) padding-box,
        linear-gradient(160deg, var(--seal-2), var(--moss-800)) border-box;
      border: 2px solid transparent;
      box-shadow: var(--shadow-2);
    }
    .price-num { font-size: 40px; color: var(--moss-800); font-variant-numeric: tabular-nums; }
    .price-num small { font-size: 14px; font-weight: 500; color: rgba(18, 40, 36, .55); margin-left: 4px; }
    .price-card ul { display: grid; gap: 8px; margin: 8px 0 16px; }
    .price-card li { padding-left: 18px; position: relative; font-size: 15px; }
    .price-card li::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--seal); position: absolute; left: 0; top: 9px; }
    .price-card .btn { margin-top: auto; }
    .price-note { margin-top: 22px; padding: 14px 16px; border-radius: 12px; background: rgba(166, 124, 67, .08); }
    .story-grid { display: grid; grid-template-columns: 1.4fr .8fr; gap: 22px; }
    .story-main, .story-side article {
      background: var(--white); border-radius: var(--r-card); box-shadow: var(--shadow); padding: 28px;
    }
    .story-main { min-height: 280px; }
    .story-side { display: grid; gap: 16px; }
    .quote-mark { font-family: "Noto Serif SC", serif; font-size: 42px; color: var(--seal); line-height: 1; }
    .stat-bar {
      display: grid; grid-template-columns: repeat(6, 1fr); gap: 14px;
    }
    .stat-badge {
      text-align: center; padding: 22px 10px 18px; border-radius: 18px;
      background: linear-gradient(var(--paper), var(--paper)) padding-box, var(--grad-seal) border-box;
      border: 1.5px solid transparent;
    }
    .stat-badge .num { display: block; font-size: 32px; color: var(--moss-800); font-variant-numeric: tabular-nums; }
    .stat-badge span { font-size: 13px; color: rgba(18, 40, 36, .7); }
    .review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
    .review-card {
      background: var(--white); border-radius: var(--r-card); padding: 22px;
      box-shadow: var(--shadow); min-height: 210px;
      display: flex; flex-direction: column; gap: 10px;
    }
    .stars { color: var(--seal); letter-spacing: 2px; font-size: 14px; }
    .review-foot { margin-top: auto; display: flex; justify-content: space-between; font-size: 13px; color: rgba(18, 40, 36, .55); }
    .paper-grain {
      background-color: var(--paper);
      background-image:
        repeating-linear-gradient(0deg, rgba(18, 40, 36, .035) 0 1px, transparent 1px 5px),
        repeating-linear-gradient(90deg, rgba(166, 124, 67, .04) 0 1px, transparent 1px 7px);
    }
    .quote-rail {
      display: flex; gap: 18px; overflow-x: auto; padding-bottom: 10px;
      scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch;
    }
    .quote-card {
      flex: 0 0 min(78%, 520px); scroll-snap-align: start;
      background: rgba(251, 249, 244, .72);
      border: 1px solid rgba(166, 124, 67, .22);
      border-radius: var(--r-card); padding: 28px 26px;
      box-shadow: var(--shadow);
    }
    .quote-card p { font-size: 17px; }
    .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
    .news-card {
      background: var(--white); border-radius: var(--r-card); overflow: hidden; box-shadow: var(--shadow);
      display: flex; flex-direction: column;
    }
    .news-card img { width: 100%; height: 168px; object-fit: cover; }
    .news-card div { padding: 16px 18px 20px; }
    .news-card time { font-size: 12px; color: var(--seal); font-weight: 600; }
    .news-more { margin-top: 22px; }
    .faq-list { display: grid; gap: 0; border-top: 1px solid rgba(18, 40, 36, .12); }
    .faq-item { border-bottom: 1px solid rgba(18, 40, 36, .12); }
    .faq-q {
      width: 100%; text-align: left; min-height: 64px; padding: 16px 44px 16px 4px;
      font-weight: 650; font-size: 17px; color: var(--ink-900); position: relative;
    }
    .faq-q::after {
      content: ""; position: absolute; right: 8px; top: 50%; width: 10px; height: 10px;
      border-right: 2px solid var(--moss-800); border-bottom: 2px solid var(--moss-800);
      transform: translateY(-70%) rotate(45deg); transition: transform .2s;
    }
    .faq-item.is-open .faq-q::after { transform: translateY(-20%) rotate(225deg); }
    .faq-a { display: none; padding: 0 8px 18px; background: var(--paper); color: rgba(18, 40, 36, .82); }
    .faq-item.is-open .faq-a { display: block; }
    .cta-sec {
      background: var(--grad-dark); color: var(--white);
      box-shadow: inset 0 1px 0 var(--seal);
    }
    .cta-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: start; }
    .form-card {
      background: var(--paper); color: var(--ink-900);
      border-radius: var(--r-card); padding: 28px; box-shadow: var(--shadow-2);
    }
    .field { display: grid; gap: 6px; margin-bottom: 14px; }
    .field label { font-size: 14px; font-weight: 600; }
    .field input, .field select, .field textarea {
      width: 100%; border: 1.5px solid var(--moss-200); border-radius: var(--r-btn);
      background: var(--white); padding: 12px 14px; min-height: 46px; color: var(--ink-900);
    }
    .field textarea { min-height: 110px; resize: vertical; }
    .field.is-err input, .field.is-err select, .field.is-err textarea { border-color: var(--danger-mute); }
    .check { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; margin: 8px 0 16px; color: rgba(18, 40, 36, .75); }
    .check input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--moss-800); }
    .form-msg {
      padding: 12px 14px; border-radius: 12px; margin-bottom: 14px; font-size: 14px;
      background: var(--moss-200);
    }
    .form-msg.ok { background: #d7eadf; }
    .form-msg.err { background: #f3ddd6; color: var(--danger-mute); }
    .cta-aside {
      background: rgba(251, 249, 244, .06); border: 1px solid rgba(196, 163, 90, .28);
      border-radius: var(--r-card); padding: 24px;
    }
    .cta-aside a { color: var(--seal-2); }
    .cta-aside dl { display: grid; gap: 12px; margin: 16px 0 0; }
    .cta-aside dt { font-size: 12px; letter-spacing: .12em; color: var(--seal-2); }
    .cta-aside dd { margin: 0; font-size: 18px; }
    .site-footer {
      background: var(--ink-900); color: var(--moss-200); padding: 64px 0 28px;
      position: relative;
    }
    .site-footer::before {
      content: ""; position: absolute; left: 18px; top: 40px; bottom: 40px; width: 10px;
      background: repeating-radial-gradient(circle at 5px 8px, rgba(196, 163, 90, .35) 0 3px, transparent 3.5px 26px);
      opacity: .45; pointer-events: none;
    }
    .foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 28px; }
    .site-footer a { color: var(--white); }
    .site-footer a:hover { color: var(--seal-2); }
    .foot-brand .logo { color: var(--white); margin-bottom: 12px; }
    .foot-list { display: grid; gap: 8px; }
    .copy {
      margin-top: 36px; padding-top: 18px;
      border-top: 1px solid rgba(201, 221, 213, .15);
      display: flex; flex-wrap: wrap; gap: 12px 22px;
      font-size: 13px; color: rgba(201, 221, 213, .75);
    }
    .huiwen {
      height: 10px; opacity: .18; margin: 18px 0 0;
      background-image: repeating-linear-gradient(90deg, var(--seal) 0 8px, transparent 8px 12px, var(--moss-500) 12px 20px, transparent 20px 24px);
    }
    @media (max-width: 1279px) {
      h1 { font-size: 40px; }
      .container { width: min(100% - 32px, var(--container)); }
      .stat-bar { grid-template-columns: repeat(3, 1fr); }
    }
    @media (max-width: 1023px) {
      h1 { font-size: 34px; }
      h2 { font-size: 26px; }
      .sec { padding: 72px 0; }
      .menu { display: none; }
      .btn-nav { display: none; }
      .burger { display: inline-flex; }
      .drawer-backdrop {
        display: block; position: fixed; inset: 0; background: rgba(18, 40, 36, .45);
        opacity: 0; pointer-events: none; z-index: 50; transition: opacity .2s;
      }
      .drawer {
        display: block; position: fixed; top: 0; right: 0; height: 100%;
        width: min(86vw, 360px); background: var(--paper); z-index: 51;
        transform: translateX(100%); transition: transform .28s var(--ease);
        padding: 24px 22px 32px; overflow-y: auto; box-shadow: var(--shadow-2);
      }
      .is-open .drawer { transform: translateX(0); }
      .is-open .drawer-backdrop { opacity: 1; pointer-events: auto; }
      .drawer nav { display: grid; gap: 4px; margin-top: 18px; }
      .drawer nav a { min-height: 44px; display: flex; align-items: center; padding: 8px 4px; color: var(--ink-900); font-weight: 600; }
      .split, .demo-grid, .dark-grid, .story-grid, .cta-grid { grid-template-columns: 1fr; }
      .matrix, .hot-grid, .price-grid, .review-grid, .news-grid { grid-template-columns: 1fr 1fr; }
      .scene { grid-template-columns: 1fr; }
      .foot-grid { grid-template-columns: 1fr 1fr; }
      .burst { width: 96px; height: 96px; font-size: 12px; right: 4%; top: 12%; }
      .price-card.featured { transform: none; }
    }
    @media (max-width: 767px) {
      .topbar { display: none; }
      h1 { font-size: 30px; }
      h2 { font-size: 23px; }
      .sec { padding: 60px 0; }
      .hero, .slides { min-height: 560px; }
      .slide-content { padding: 56px 0 72px; }
      .slide-bg::after { background: linear-gradient(180deg, rgba(15,36,31,.78), rgba(15,36,31,.88)); }
      .matrix, .hot-grid, .price-grid, .review-grid, .news-grid, .stat-bar, .foot-grid, .dossier { grid-template-columns: 1fr; }
      .mcard-c { grid-template-columns: 1fr; }
      .cover img, .hot-card { height: 280px; min-height: 280px; }
      .slider-btn { background: rgba(15, 36, 31, .45); }
      .hero-actions .btn { width: 100%; }
      .copy { flex-direction: column; }
    }
    @media (max-width: 520px) {
      .container { width: min(100% - 24px, var(--container)); }
      h1 { font-size: 28px; }
      .burst { display: none; }
      .verify li { grid-template-columns: 1fr; }
      .stat-badge .num { font-size: 28px; }
    }
    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { transition: none !important; animation: none !important; }
    }