/* roulang page: index */
:root {
      --bg: #f4f0e8;
      --bg-2: #e7e0d4;
      --surface: #fffdf8;
      --surface-2: #f7f2ea;
      --primary: #173b35;
      --primary-2: #214f48;
      --accent: #b87543;
      --accent-2: #d39a6d;
      --text: #28312e;
      --muted: #6e756f;
      --line: rgba(23, 59, 53, 0.12);
      --line-2: rgba(23, 59, 53, 0.2);
      --dark: #17211f;
      --shadow: 0 18px 45px rgba(23, 33, 31, 0.08);
      --radius: 8px;
      --radius-sm: 5px;
      --container: 1220px;
      --gap: 24px;
      --gap-lg: 40px;
      --transition: 220ms ease;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at top left, rgba(184,117,67,0.08), transparent 28%),
        linear-gradient(180deg, #f5f0e8 0%, #f4f0e8 24%, #f0e9de 100%);
      line-height: 1.75;
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
    }
    img { max-width: 100%; display: block; }
    a { color: inherit; text-decoration: none; transition: color var(--transition), background var(--transition), border-color var(--transition), transform var(--transition); }
    button, input, select, textarea { font: inherit; }
    button { cursor: pointer; }
    ::selection { background: rgba(184,117,67,0.2); }
    .container { width: min(var(--container), calc(100% - 32px)); margin: 0 auto; }
    .eyebrow {
      display: inline-flex; align-items: center; gap: 10px;
      color: var(--accent); font-size: 13px; letter-spacing: .12em; text-transform: uppercase;
    }
    .eyebrow::before {
      content: ''; width: 34px; height: 1px; background: currentColor; opacity: .8;
    }
    .section { padding: 90px 0; }
    .section.compact { padding: 68px 0; }
    .section-title {
      display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 28px;
    }
    .section-title h2, .section-title h3 {
      margin: 0; color: var(--primary); font-size: clamp(28px, 3vw, 40px); line-height: 1.15;
      letter-spacing: .01em;
    }
    .section-title p { margin: 0; color: var(--muted); max-width: 520px; }
    .topbar {
      position: sticky; top: 0; z-index: 80; backdrop-filter: blur(10px);
      background: rgba(244,240,232,.86); border-bottom: 1px solid rgba(23,59,53,.08);
    }
    .nav-wrap {
      display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 78px;
    }
    .brand {
      display: inline-flex; align-items: center; gap: 12px; min-width: 220px;
    }
    .brand-mark {
      width: 42px; height: 42px; border-radius: 10px;
      background: linear-gradient(145deg, var(--primary), var(--primary-2));
      position: relative; box-shadow: 0 10px 24px rgba(23, 59, 53, .22);
      flex: 0 0 auto;
    }
    .brand-mark::before, .brand-mark::after {
      content: ''; position: absolute; inset: 10px; border: 1px solid rgba(255,255,255,.45); border-radius: 8px;
    }
    .brand-text { display: flex; flex-direction: column; line-height: 1.15; }
    .brand-text strong { font-size: 18px; color: var(--primary); letter-spacing: .02em; }
    .brand-text span { font-size: 12px; color: var(--muted); letter-spacing: .08em; }
    .nav {
      display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: center;
    }
    .nav a {
      position: relative; padding: 12px 14px; color: var(--text); font-size: 14px; border-radius: 999px;
    }
    .nav a::after {
      content: ''; position: absolute; left: 14px; right: 14px; bottom: 8px; height: 2px; background: var(--accent);
      transform: scaleX(0); transform-origin: left; transition: transform var(--transition);
    }
    .nav a:hover, .nav a:focus-visible { color: var(--primary); background: rgba(23,59,53,.05); }
    .nav a:hover::after, .nav a:focus-visible::after, .nav a.active::after { transform: scaleX(1); }
    .nav a.active { color: var(--primary); background: rgba(23,59,53,.06); }
    .nav-actions { display: flex; align-items: center; gap: 12px; }
    .btn, .btn-outline, .btn-link {
      display: inline-flex; align-items: center; justify-content: center; gap: 10px;
      border-radius: 999px; padding: 12px 18px; border: 1px solid transparent; font-weight: 600;
      transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
      white-space: nowrap;
    }
    .btn { background: var(--accent); color: #fff; box-shadow: 0 12px 24px rgba(184,117,67,.18); }
    .btn:hover, .btn:focus-visible { background: #9f6338; transform: translateY(-1px); }
    .btn-outline { border-color: rgba(23,59,53,.18); color: var(--primary); background: rgba(255,255,255,.35); }
    .btn-outline:hover, .btn-outline:focus-visible { border-color: var(--primary); background: rgba(23,59,53,.05); }
    .btn-link { padding: 0; color: var(--primary); border-radius: 0; }
    .btn-link span { transition: transform var(--transition); }
    .btn-link:hover span, .btn-link:focus-visible span { transform: translateX(4px); }
    .menu-toggle {
      display: none; border: 1px solid rgba(23,59,53,.15); background: var(--surface); color: var(--primary);
      width: 44px; height: 44px; border-radius: 10px; align-items: center; justify-content: center;
    }
    .menu-toggle span { width: 18px; height: 2px; background: currentColor; position: relative; display: block; }
    .menu-toggle span::before, .menu-toggle span::after {
      content: ''; position: absolute; width: 18px; height: 2px; left: 0; background: currentColor;
    }
    .menu-toggle span::before { top: -6px; }
    .menu-toggle span::after { top: 6px; }
    .mobile-panel {
      display: none; border-top: 1px solid rgba(23,59,53,.08); background: rgba(244,240,232,.98);
      padding: 14px 0 18px;
    }
    .mobile-panel.open { display: block; }
    .mobile-panel .nav { flex-direction: column; align-items: stretch; }
    .mobile-panel .nav a { border-radius: 12px; padding: 14px 16px; }
    .mobile-panel .nav-actions { margin-top: 12px; display: grid; grid-template-columns: 1fr 1fr; }
    .hero {
      position: relative; overflow: hidden;
      padding: 38px 0 54px;
    }
    .hero::before {
      content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(23,59,53,.08) 0%, rgba(23,59,53,0) 34%, rgba(184,117,67,.04) 100%);
      pointer-events: none;
    }
    .hero-grid {
      position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 34px; align-items: center;
      min-height: 600px;
    }
    .hero-copy {
      padding: 34px 0 18px;
    }
    .hero-copy h1 {
      margin: 16px 0 18px; color: var(--primary); font-size: clamp(42px, 5vw, 68px); line-height: 1.04; letter-spacing: .01em;
      max-width: 10.2em;
    }
    .hero-copy h1 em { font-style: normal; color: var(--accent); }
    .hero-copy p {
      margin: 0; max-width: 36em; color: var(--text); font-size: 17px;
    }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
    .hero-note {
      display: inline-flex; align-items: center; gap: 12px; margin-top: 18px; color: var(--muted); font-size: 14px;
    }
    .hero-note strong { color: var(--primary); }
    .hero-media {
      position: relative; min-height: 540px; border-radius: 26px; overflow: hidden; box-shadow: var(--shadow); background: var(--dark);
    }
    .hero-media img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.95) contrast(1.02); }
    .hero-media::after {
      content: ''; position: absolute; inset: 0;
      background: linear-gradient(180deg, rgba(11,15,14,.10) 0%, rgba(11,15,14,.42) 100%);
    }
    .hero-badge {
      position: absolute; left: 22px; top: 22px; z-index: 2; display: inline-flex; gap: 10px; align-items: center;
      padding: 10px 14px; border-radius: 999px; background: rgba(255,255,255,.82); color: var(--primary); font-size: 13px; font-weight: 600;
      border: 1px solid rgba(255,255,255,.55);
    }
    .hero-caption {
      position: absolute; left: 22px; right: 22px; bottom: 22px; z-index: 2; color: #fff;
    }
    .hero-caption .line { width: 56px; height: 2px; background: var(--accent); margin-bottom: 14px; }
    .hero-caption h2 { margin: 0 0 8px; font-size: 22px; }
    .hero-caption p { margin: 0; color: rgba(255,255,255,.86); max-width: 28em; }
    .stats {
      margin-top: 28px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
    }
    .stat {
      background: rgba(255,253,248,.8); border: 1px solid rgba(23,59,53,.10); border-radius: 18px; padding: 18px 18px 16px;
      box-shadow: 0 10px 24px rgba(23,33,31,.04);
    }
    .stat strong { display: block; font-size: 26px; color: var(--primary); line-height: 1.1; }
    .stat span { display: block; margin-top: 6px; color: var(--muted); font-size: 13px; }
    .split-section { display: grid; grid-template-columns: 330px 1fr; gap: 30px; align-items: start; }
    .side-panel {
      position: sticky; top: 104px; background: linear-gradient(180deg, rgba(23,59,53,.96), rgba(23,33,31,.96)); color: #fff;
      border-radius: 22px; padding: 30px 28px; box-shadow: var(--shadow);
    }
    .side-panel .eyebrow { color: #d7c4ab; }
    .side-panel h3 { margin: 14px 0 12px; font-size: 30px; line-height: 1.2; }
    .side-panel p { margin: 0; color: rgba(255,255,255,.84); }
    .index-list { margin-top: 24px; display: grid; gap: 12px; }
    .index-item {
      display: flex; align-items: flex-start; gap: 14px; padding: 14px 0; border-top: 1px solid rgba(255,255,255,.12);
    }
    .index-num {
      flex: 0 0 auto; width: 34px; height: 34px; border-radius: 10px; background: rgba(255,255,255,.08);
      display: grid; place-items: center; color: #e8dfd4; font-size: 13px; font-weight: 700;
    }
    .index-item strong { display: block; margin-bottom: 4px; font-size: 15px; }
    .index-item span { color: rgba(255,255,255,.72); font-size: 13px; }
    .index-item a { margin-left: auto; color: #f2d8bf; }
    .content-panel { display: grid; gap: 18px; }
    .feature {
      background: var(--surface); border: 1px solid rgba(23,59,53,.10); border-radius: 22px; overflow: hidden; box-shadow: 0 12px 32px rgba(23,33,31,.04);
    }
    .feature .feature-head { display: grid; grid-template-columns: 1fr 300px; gap: 0; }
    .feature-copy { padding: 28px; }
    .feature-copy h3 { margin: 0 0 12px; font-size: 26px; color: var(--primary); }
    .feature-copy p { margin: 0; color: var(--text); }
    .feature-points {
      margin-top: 20px; display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px;
    }
    .point {
      border: 1px solid rgba(23,59,53,.10); background: var(--surface-2); padding: 14px 14px 12px; border-radius: 14px;
    }
    .point b { display: block; color: var(--primary); margin-bottom: 6px; }
    .point span { color: var(--muted); font-size: 14px; }
    .feature-media { min-height: 100%; position: relative; }
    .feature-media img { width: 100%; height: 100%; object-fit: cover; }
    .feature-media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(23,59,53,.08), rgba(23,59,53,.32)); }
    .feature-bar {
      padding: 16px 28px 24px; border-top: 1px solid rgba(23,59,53,.08);
      display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: center;
      background: linear-gradient(180deg, rgba(247,242,234,.65), rgba(255,255,255,.9));
    }
    .badge {
      display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: 999px;
      background: rgba(23,59,53,.06); color: var(--primary); font-size: 13px; border: 1px solid rgba(23,59,53,.08);
    }
    .section-grid {
      display: grid; grid-template-columns: 1fr 1fr; gap: 22px;
    }
    .card {
      background: var(--surface); border: 1px solid rgba(23,59,53,.1); border-radius: 20px; overflow: hidden; box-shadow: 0 12px 28px rgba(23,33,31,.04);
    }
    .card-media { position: relative; aspect-ratio: 16 / 9; overflow: hidden; }
    .card-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 500ms ease; }
    .card:hover .card-media img { transform: scale(1.03); }
    .card-body { padding: 22px; }
    .meta-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 13px; color: var(--muted); }
    .meta-row .tag {
      padding: 6px 10px; border-radius: 999px; border: 1px solid rgba(23,59,53,.12); color: var(--primary); background: rgba(23,59,53,.04);
    }
    .card-body h3 { margin: 12px 0 10px; font-size: 24px; color: var(--primary); line-height: 1.25; }
    .card-body p { margin: 0; color: var(--text); }
    .card-foot { padding-top: 18px; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
    .line-list {
      border-top: 1px solid var(--line);
    }
    .line-item {
      display: grid; grid-template-columns: 110px 120px 1fr auto; gap: 14px; align-items: center;
      padding: 18px 0; border-bottom: 1px solid var(--line);
    }
    .line-item time { color: var(--muted); font-size: 14px; }
    .line-item .mini-tag { color: var(--accent); font-size: 13px; }
    .line-item h4 { margin: 0 0 6px; font-size: 18px; color: var(--primary); }
    .line-item p { margin: 0; color: var(--muted); font-size: 14px; }
    .line-item .arrow { color: var(--accent); font-weight: 700; }
    .portal {
      display: grid; grid-template-columns: 1.08fr .92fr; gap: 22px;
    }
    .portal-cover {
      position: relative; min-height: 470px; border-radius: 24px; overflow: hidden; box-shadow: var(--shadow);
      background: var(--dark);
    }
    .portal-cover img { width: 100%; height: 100%; object-fit: cover; }
    .portal-cover::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(23,59,53,.04), rgba(23,59,53,.36)); }
    .portal-cover .cover-text {
      position: absolute; left: 26px; right: 26px; bottom: 26px; z-index: 2; color: #fff;
    }
    .portal-cover .cover-text h3 { margin: 0 0 10px; font-size: 28px; }
    .portal-cover .cover-text p { margin: 0; max-width: 30em; color: rgba(255,255,255,.86); }
    .portal-list {
      display: grid; gap: 12px;
    }
    .portal-link {
      display: flex; align-items: flex-start; gap: 16px; padding: 18px 18px; border-radius: 18px; background: rgba(255,255,255,.72);
      border: 1px solid rgba(23,59,53,.10);
    }
    .portal-link:hover { transform: translateY(-2px); box-shadow: 0 14px 28px rgba(23,33,31,.06); }
    .portal-link .n {
      width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center; flex: 0 0 auto;
      background: rgba(23,59,53,.08); color: var(--primary); font-weight: 700;
    }
    .portal-link strong { display: block; color: var(--primary); margin-bottom: 4px; font-size: 16px; }
    .portal-link span { display: block; color: var(--muted); font-size: 14px; }
    .portal-link em { margin-left: auto; color: var(--accent); font-style: normal; align-self: center; }
    .faq-wrap {
      display: grid; grid-template-columns: 340px 1fr; gap: 24px;
    }
    .faq-side {
      background: var(--surface); border: 1px solid rgba(23,59,53,.10); border-radius: 20px; padding: 28px;
      box-shadow: 0 12px 28px rgba(23,33,31,.04);
      align-self: start;
    }
    .faq-side h3 { margin: 10px 0 12px; font-size: 28px; color: var(--primary); }
    .faq-side p { margin: 0; color: var(--muted); }
    .faq-list { display: grid; gap: 14px; }
    .faq-item {
      background: var(--surface); border: 1px solid rgba(23,59,53,.10); border-radius: 18px; overflow: hidden;
      box-shadow: 0 10px 22px rgba(23,33,31,.03);
    }
    .faq-q {
      width: 100%; border: 0; background: transparent; padding: 18px 20px; text-align: left; display: flex; align-items: center; justify-content: space-between; gap: 20px;
      color: var(--primary); font-weight: 700; font-size: 16px;
    }
    .faq-q span:last-child { color: var(--accent); transition: transform var(--transition); }
    .faq-item.open .faq-q span:last-child { transform: rotate(45deg); }
    .faq-a {
      max-height: 0; overflow: hidden; transition: max-height 260ms ease; border-top: 1px solid transparent;
    }
    .faq-item.open .faq-a { max-height: 260px; border-top-color: rgba(23,59,53,.08); }
    .faq-a p { margin: 0; padding: 0 20px 18px; color: var(--text); }
    .contact {
      background: linear-gradient(180deg, var(--primary), var(--dark)); color: #fff; border-top: 1px solid rgba(255,255,255,.06);
    }
    .contact .section-title h2, .contact .section-title p, .contact .eyebrow, .contact .eyebrow::before { color: #f0e7db; }
    .contact .section-title p { color: rgba(255,255,255,.76); }
    .contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; }
    .contact-box {
      background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: 22px; padding: 26px;
    }
    .contact-box h3 { margin: 0 0 12px; font-size: 30px; }
    .contact-box p { margin: 0 0 18px; color: rgba(255,255,255,.78); }
    .contact-list { display: grid; gap: 12px; margin-top: 20px; }
    .contact-list div {
      display: flex; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.1);
    }
    .contact-list div span { color: rgba(255,255,255,.72); }
    .contact-form {
      background: rgba(255,255,255,.95); color: var(--text); border-radius: 22px; padding: 26px; box-shadow: 0 18px 40px rgba(0,0,0,.10);
    }
    .field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .field { display: grid; gap: 8px; margin-bottom: 14px; }
    .field label { color: var(--primary); font-size: 14px; font-weight: 600; }
    .field input, .field select, .field textarea {
      width: 100%; border: 1px solid rgba(23,59,53,.16); background: #fff; color: var(--text);
      border-radius: 12px; padding: 13px 14px; outline: none; transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
    }
    .field textarea { min-height: 120px; resize: vertical; }
    .field input:focus, .field select:focus, .field textarea:focus {
      border-color: var(--accent); box-shadow: 0 0 0 4px rgba(184,117,67,.14);
    }
    .form-note { font-size: 13px; color: var(--muted); margin-top: 8px; }
    .footer {
      background: var(--dark); color: rgba(255,255,255,.82); padding: 56px 0 28px; border-top: 1px solid rgba(255,255,255,.06);
    }
    .footer-grid {
      display: grid; grid-template-columns: 1.3fr .9fr .9fr 1fr; gap: 24px; align-items: start;
    }
    .footer h4 { margin: 0 0 14px; color: #fff; font-size: 16px; }
    .footer p { margin: 0 0 14px; }
    .footer a { color: rgba(255,255,255,.8); }
    .footer a:hover, .footer a:focus-visible { color: #fff; }
    .footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
    .footer-bottom {
      margin-top: 32px; padding-top: 18px; border-top: 1px solid rgba(255,255,255,.08);
      display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; color: rgba(255,255,255,.65); font-size: 13px;
    }
    .crumbs {
      padding: 18px 0 0; color: var(--muted); font-size: 14px;
    }
    .crumbs a { color: var(--primary); }
    .pill-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
    .pill {
      padding: 8px 12px; border-radius: 999px; background: rgba(23,59,53,.06); color: var(--primary); border: 1px solid rgba(23,59,53,.08); font-size: 13px;
    }
    .mini-divider { width: 72px; height: 2px; background: var(--accent); margin: 0 0 16px; }
    .focus-block {
      display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
    }
    .note-box {
      background: rgba(23,59,53,.04); border: 1px solid rgba(23,59,53,.10); border-radius: 20px; padding: 24px;
    }
    .note-box h3 { margin: 0 0 10px; color: var(--primary); }
    .note-box p { margin: 0; color: var(--text); }
    .note-box ul { margin: 14px 0 0; padding-left: 18px; color: var(--muted); }
    .anchor-links { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 20px; }
    .anchor-links a { color: var(--primary); border-bottom: 1px solid rgba(23,59,53,.24); padding-bottom: 2px; }
    .anchor-links a:hover { border-bottom-color: var(--accent); color: var(--accent); }
    .responsive-note { display: none; }
    @media (max-width: 1200px) {
      .hero-grid, .split-section, .portal, .faq-wrap, .contact-grid, .footer-grid, .feature .feature-head, .section-grid, .focus-block { grid-template-columns: 1fr; }
      .side-panel { position: relative; top: auto; }
      .stats { grid-template-columns: repeat(2, 1fr); }
      .feature-media { min-height: 320px; }
      .nav { gap: 4px; }
    }
    @media (max-width: 900px) {
      .nav, .nav-actions { display: none; }
      .menu-toggle { display: inline-flex; }
      .hero { padding-top: 18px; }
      .hero-grid { min-height: auto; gap: 22px; }
      .hero-copy h1 { max-width: none; }
      .stats, .feature-points { grid-template-columns: 1fr 1fr; }
      .line-item { grid-template-columns: 1fr; align-items: start; gap: 8px; }
      .section-title { flex-direction: column; align-items: start; }
      .field-grid { grid-template-columns: 1fr; }
    }
    @media (max-width: 640px) {
      .container { width: min(100% - 24px, var(--container)); }
      .section { padding: 64px 0; }
      .section.compact { padding: 54px 0; }
      .brand-text strong { font-size: 17px; }
      .hero-copy { padding-top: 12px; }
      .hero-copy h1 { font-size: clamp(34px, 11vw, 46px); }
      .hero-copy p { font-size: 15px; }
      .hero-media { min-height: 280px; border-radius: 20px; }
      .hero-actions, .anchor-links { flex-direction: column; align-items: stretch; }
      .stats, .feature-points, .section-grid { grid-template-columns: 1fr; }
      .stat strong { font-size: 22px; }
      .feature-copy, .card-body, .contact-box, .contact-form, .faq-side, .side-panel, .portal-link { padding-left: 18px; padding-right: 18px; }
      .feature-copy h3, .card-body h3 { font-size: 22px; }
      .portal-cover { min-height: 320px; border-radius: 20px; }
      .contact-box h3 { font-size: 24px; }
      .footer-bottom { flex-direction: column; }
      .mobile-panel .nav-actions { grid-template-columns: 1fr; }
    }
    .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;
    }

/* roulang page: category1 */
:root{
      --pine:#173b35;
      --pine-deep:#102c28;
      --ink:#28312e;
      --muted:#707770;
      --copper:#b87543;
      --copper-dark:#925a32;
      --paper:#f4f0e8;
      --sand:#e7e0d4;
      --line:#d6cec1;
      --white:#fffdf8;
      --shadow:0 14px 34px rgba(35,40,35,.08);
      --radius:5px;
      --max:1200px;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;background:var(--paper);color:var(--ink);line-height:1.75;font-size:15px}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;width:100%;object-fit:cover}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    :focus-visible{outline:3px solid rgba(184,117,67,.42);outline-offset:3px}
    .container{width:min(var(--max),calc(100% - 48px));margin:0 auto}
    .header{height:82px;background:rgba(244,240,232,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
    .header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}
    .brand{display:flex;align-items:center;gap:11px;min-width:230px}
    .brand-mark{width:25px;height:25px;border:2px solid var(--copper);display:inline-block;position:relative;transform:rotate(45deg)}
    .brand-mark:after{content:"";position:absolute;width:9px;height:9px;background:var(--pine);left:6px;top:6px}
    .brand-text{display:flex;flex-direction:column;line-height:1.2}
    .brand-text strong{font-size:20px;letter-spacing:.08em;color:var(--pine);font-weight:700}
    .brand-text span{font-size:10px;letter-spacing:.08em;color:var(--muted);margin-top:4px}
    .nav{display:flex;align-items:center;gap:35px;height:100%}
    .nav a{height:100%;display:flex;align-items:center;position:relative;color:#4d5751;font-size:14px;white-space:nowrap}
    .nav a:after{content:"";position:absolute;height:2px;width:0;background:var(--copper);bottom:0;left:0;transition:.25s}
    .nav a:hover,.nav a.active{color:var(--pine)}
    .nav a:hover:after,.nav a.active:after{width:100%}
    .header-action{border:1px solid var(--pine);padding:9px 17px;color:var(--pine);font-size:13px;transition:.25s}
    .header-action:hover{background:var(--pine);color:#fff}
    .menu-btn{display:none;background:none;border:0;color:var(--pine);font-size:25px}
    .statusbar{background:var(--pine);color:rgba(255,255,255,.74);font-size:11px;letter-spacing:.13em;padding:8px 0}
    .statusbar .container{display:flex;justify-content:space-between}
    .crumb{padding:28px 0 10px;color:var(--muted);font-size:12px}
    .crumb a:hover{color:var(--copper)}
    .page-hero{padding:25px 0 86px}
    .hero-layout{display:grid;grid-template-columns:5fr 7fr;min-height:390px;align-items:stretch}
    .hero-copy{background:var(--pine);color:#fffdf8;padding:54px 58px;display:flex;flex-direction:column;justify-content:center;position:relative}
    .hero-copy:before{content:"01 / BUSINESS";position:absolute;top:25px;left:58px;color:rgba(255,255,255,.5);font-size:11px;letter-spacing:.18em}
    .eyebrow{color:var(--copper);font-size:12px;letter-spacing:.16em;font-weight:600;margin-bottom:17px}
    h1{font-size:clamp(34px,4.2vw,58px);line-height:1.2;letter-spacing:.02em;font-weight:700;margin-bottom:21px}
    .hero-copy p{color:rgba(255,255,255,.77);max-width:430px;font-size:16px}
    .hero-image{position:relative;min-height:390px;overflow:hidden}
    .hero-image img{height:100%;filter:saturate(.72)}
    .hero-image:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(23,59,53,.15),transparent 45%)}
    .image-caption{position:absolute;right:20px;bottom:17px;z-index:2;color:#fff;font-size:11px;letter-spacing:.08em;background:rgba(16,44,40,.72);padding:5px 10px}
    .section{padding:92px 0}
    .section.alt{background:var(--sand)}
    .section-head{display:flex;justify-content:space-between;align-items:end;border-bottom:1px solid var(--line);padding-bottom:21px;margin-bottom:38px;gap:25px}
    .section-head h2{font-size:30px;line-height:1.3;color:var(--pine)}
    .section-head p{max-width:440px;color:var(--muted);font-size:14px}
    .section-kicker{font-size:11px;color:var(--copper);letter-spacing:.17em;margin-bottom:8px}
    .category-index{display:flex;gap:26px;border-bottom:1px solid var(--line);overflow:auto;white-space:nowrap;margin-bottom:72px}
    .category-index a{padding:0 0 13px;color:var(--muted);font-size:14px;position:relative}
    .category-index a:after{content:"";position:absolute;bottom:-1px;left:0;width:0;height:2px;background:var(--copper);transition:.25s}
    .category-index a:hover,.category-index a.current{color:var(--pine)}
    .category-index a.current:after{width:100%}
    .content-grid{display:grid;grid-template-columns:minmax(0,8fr) minmax(250px,4fr);gap:70px}
    .service-list{border-top:1px solid var(--line)}
    .service-item{display:grid;grid-template-columns:58px 1fr 24px;gap:18px;padding:27px 8px;border-bottom:1px solid var(--line);transition:.25s}
    .service-item:hover{background:rgba(255,253,248,.65);padding-left:17px}
    .service-no{font-size:13px;color:var(--copper);padding-top:3px;letter-spacing:.08em}
    .service-item h3{color:var(--pine);font-size:21px;margin-bottom:7px}
    .service-item p{color:var(--muted);font-size:14px;max-width:650px}
    .arrow{font-size:21px;color:var(--copper);transition:.25s}
    .service-item:hover .arrow{transform:translateX(4px)}
    .tag{display:inline-block;color:var(--copper-dark);border:1px solid rgba(184,117,67,.5);padding:2px 8px;font-size:11px;line-height:1.6;margin-bottom:10px}
    .aside-panel{background:var(--pine);color:#fff;padding:29px;align-self:start}
    .aside-panel h3{font-size:21px;font-weight:500;margin-bottom:14px}
    .aside-panel p{font-size:13px;color:rgba(255,255,255,.7);margin-bottom:24px}
    .aside-list{list-style:none;border-top:1px solid rgba(255,255,255,.2)}
    .aside-list li{border-bottom:1px solid rgba(255,255,255,.2);padding:13px 0;color:rgba(255,255,255,.8);font-size:13px}
    .aside-list li span{color:var(--copper);margin-right:9px}
    .process{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}
    .process-item{padding:28px 25px;min-height:180px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,253,248,.35)}
    .process-item strong{display:block;color:var(--copper);font-size:13px;letter-spacing:.12em;margin-bottom:25px}
    .process-item h3{font-size:18px;color:var(--pine);margin-bottom:9px}
    .process-item p{color:var(--muted);font-size:13px}
    .feature-band{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:center}
    .feature-photo{height:330px;position:relative}
    .feature-photo img{height:100%}
    .feature-copy h2{font-size:31px;line-height:1.35;color:var(--pine);margin-bottom:18px}
    .feature-copy p{color:var(--muted);margin-bottom:22px}
    .feature-points{list-style:none;border-top:1px solid var(--line)}
    .feature-points li{padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}
    .feature-points b{color:var(--copper);margin-right:12px}
    .faq{display:grid;grid-template-columns:3fr 9fr;gap:65px}
    .faq-intro h2{font-size:30px;color:var(--pine);line-height:1.35;margin-bottom:13px}
    .faq-intro p{font-size:14px;color:var(--muted)}
    .faq-list{border-top:1px solid var(--line)}
    details{border-bottom:1px solid var(--line);padding:18px 0}
    summary{cursor:pointer;list-style:none;color:var(--pine);font-size:16px;font-weight:600;display:flex;justify-content:space-between;gap:20px}
    summary::-webkit-details-marker{display:none}
    summary:after{content:"+";font-size:22px;color:var(--copper);font-weight:400}
    details[open] summary:after{content:"−"}
    details p{color:var(--muted);font-size:14px;padding:12px 30px 0 0}
    .cta{background:var(--pine-deep);color:#fff;padding:62px 0}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:35px}
    .cta h2{font-size:32px;font-weight:500;line-height:1.35;margin-bottom:10px}
    .cta p{color:rgba(255,255,255,.68);font-size:14px}
    .button{display:inline-flex;align-items:center;justify-content:center;gap:12px;padding:13px 23px;background:var(--copper);color:#fff;border:1px solid var(--copper);font-size:14px;transition:.25s}
    .button:hover{background:var(--copper-dark);border-color:var(--copper-dark);transform:translateY(-2px)}
    .button.light{background:transparent;border-color:rgba(255,255,255,.5);margin-top:18px}
    .button.light:hover{background:#fff;color:var(--pine)}
    .footer{background:#17211f;color:rgba(255,255,255,.68);padding:58px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:42px}
    .footer p{font-size:13px;line-height:1.8;max-width:270px}
    .footer h4{font-size:14px;color:#fff;margin-bottom:15px}
    .footer ul{list-style:none}
    .footer li{font-size:13px;margin:7px 0}
    .footer a:hover{color:#fff}
    .footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:42px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;font-size:11px;color:rgba(255,255,255,.48)}
    @media(max-width:992px){
      .nav{gap:18px}.brand{min-width:190px}.header-action{display:none}
      .content-grid{gap:35px}.faq{gap:35px}.footer-grid{grid-template-columns:1fr 1fr}
      .hero-copy{padding:44px 38px}.hero-copy:before{left:38px}
    }
    @media(max-width:768px){
      .container{width:min(100% - 32px,var(--max))}
      .header{height:70px}.menu-btn{display:block}
      .nav{display:none;position:absolute;top:70px;left:0;right:0;height:auto;background:var(--paper);border-bottom:1px solid var(--line);padding:10px 16px;flex-direction:column;align-items:stretch;gap:0}
      .nav.open{display:flex}.nav a{height:48px;border-bottom:1px solid var(--line)}.nav a:after{bottom:0}
      .statusbar .container{justify-content:flex-start}.statusbar span:last-child{display:none}
      .page-hero{padding-bottom:55px}.hero-layout{grid-template-columns:1fr;min-height:0}
      .hero-copy{min-height:330px;padding:65px 28px 42px}.hero-copy:before{left:28px}.hero-image{height:270px;min-height:0}
      .section{padding:62px 0}.section-head{display:block}.section-head p{margin-top:14px}
      .category-index{margin-bottom:45px}.content-grid,.feature-band,.faq{grid-template-columns:1fr;gap:36px}
      .process{grid-template-columns:1fr 1fr}.feature-photo{height:260px}.cta-inner{display:block}.cta .button{margin-top:25px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:7px}
    }
    @media(max-width:520px){
      h1{font-size:35px}.section-head h2,.feature-copy h2,.faq-intro h2{font-size:26px}
      .service-item{grid-template-columns:42px 1fr 18px;gap:10px;padding:22px 2px}.service-item h3{font-size:18px}
      .process{grid-template-columns:1fr}.process-item{min-height:auto;padding:22px}
      .footer-grid{grid-template-columns:1fr}.brand{min-width:auto}
    }