/* roulang page: index */
:root {
      --bg: #f7f3ea;
      --bg-soft: #edf3ef;
      --surface: #fffdf8;
      --surface-strong: #ffffff;
      --text: #232522;
      --muted: #666d66;
      --primary: #173b34;
      --primary-deep: #102923;
      --accent: #b88945;
      --border: #ddd6c8;
      --warning: #9a4b32;
      --shadow: 0 14px 34px rgba(23, 59, 52, 0.08);
      --shadow-strong: 0 18px 42px rgba(23, 59, 52, 0.14);
      --radius: 12px;
      --radius-lg: 18px;
      --container: 1220px;
      --space-1: 6px;
      --space-2: 10px;
      --space-3: 16px;
      --space-4: 24px;
      --space-5: 32px;
      --space-6: 48px;
      --space-7: 72px;
      --space-8: 96px;
      --transition: 180ms ease;
    }

    *, *::before, *::after { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--text);
      background: var(--bg);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
      line-height: 1.8;
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
      word-break: break-word;
    }
    a { color: inherit; text-decoration: none; }
    img { display: block; max-width: 100%; }
    button, input, textarea, select { font: inherit; color: inherit; }
    button { border: 0; background: none; cursor: pointer; }
    ::selection { background: rgba(184, 137, 69, 0.22); }

    .container {
      width: min(var(--container), calc(100% - 32px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 60;
      background: rgba(247, 243, 234, 0.92);
      backdrop-filter: saturate(140%) blur(12px);
      border-bottom: 1px solid rgba(221, 214, 200, 0.75);
      transition: box-shadow var(--transition), border-color var(--transition);
    }
    .site-header.is-scrolled {
      box-shadow: 0 8px 28px rgba(23, 59, 52, 0.08);
    }
    .header-inner {
      min-height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: var(--space-3);
    }
    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
      min-width: 0;
      font-weight: 700;
      color: var(--primary);
    }
    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 10px;
      background: linear-gradient(145deg, var(--primary), #24594f);
      box-shadow: inset 0 0 0 1px rgba(255,255,255,0.08);
      position: relative;
      flex: none;
    }
    .brand-mark::after {
      content: "";
      position: absolute;
      inset: 9px;
      border-radius: 8px;
      border: 1px solid rgba(255,255,255,0.28);
    }
    .brand-text {
      display: flex;
      flex-direction: column;
      min-width: 0;
      line-height: 1.2;
    }
    .brand-text strong {
      font-size: 16px;
      letter-spacing: 0;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .brand-text span {
      font-size: 12px;
      color: var(--muted);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .nav-toggle {
      display: none;
      align-items: center;
      justify-content: center;
      width: 46px;
      height: 46px;
      border: 1px solid var(--border);
      border-radius: 10px;
      background: var(--surface);
      color: var(--primary);
      transition: transform var(--transition), border-color var(--transition), background var(--transition);
    }
    .nav-toggle:hover { transform: translateY(-1px); border-color: rgba(184, 137, 69, 0.55); }
    .nav-toggle span,
    .nav-toggle span::before,
    .nav-toggle span::after {
      content: "";
      display: block;
      width: 18px;
      height: 2px;
      background: currentColor;
      border-radius: 999px;
      position: relative;
    }
    .nav-toggle span::before { position: absolute; top: -6px; left: 0; }
    .nav-toggle span::after { position: absolute; top: 6px; left: 0; }

    .site-nav {
      display: flex;
      align-items: center;
      gap: 24px;
    }
    .nav-links {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .nav-link {
      position: relative;
      display: inline-flex;
      align-items: center;
      min-height: 46px;
      padding: 0 16px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      transition: color var(--transition), background var(--transition), transform var(--transition);
    }
    .nav-link:hover,
    .nav-link:focus-visible {
      color: var(--primary);
      background: rgba(237, 243, 239, 0.95);
      outline: none;
    }
    .nav-link.active {
      color: var(--primary);
      background: rgba(184, 137, 69, 0.12);
      box-shadow: inset 0 -2px 0 var(--accent);
    }
    .nav-link[data-current="page"] {
      color: var(--primary);
    }

    .hero {
      position: relative;
      overflow: hidden;
      padding: 26px 0 0;
    }
    .hero-shell {
      position: relative;
      border-radius: 28px;
      overflow: hidden;
      background:
        linear-gradient(110deg, rgba(23, 59, 52, 0.90) 0%, rgba(23, 59, 52, 0.74) 48%, rgba(23, 59, 52, 0.34) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      min-height: 640px;
      box-shadow: var(--shadow-strong);
    }
    .hero-shell::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0));
      pointer-events: none;
    }
    .hero-inner {
      position: relative;
      z-index: 1;
      display: grid;
      grid-template-columns: minmax(0, 1.15fr) minmax(360px, 0.85fr);
      gap: 40px;
      align-items: center;
      min-height: 640px;
      padding: 64px 56px;
    }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 32px;
      padding: 0 12px;
      border-radius: 999px;
      background: rgba(247, 243, 234, 0.92);
      color: var(--primary);
      font-size: 13px;
      font-weight: 700;
      box-shadow: 0 8px 24px rgba(0,0,0,0.10);
    }
    .hero h1 {
      margin: 18px 0 16px;
      font-size: clamp(34px, 4vw, 52px);
      line-height: 1.18;
      letter-spacing: 0;
      color: #fff;
      max-width: 10em;
    }
    .hero-lead {
      margin: 0;
      max-width: 44rem;
      color: rgba(255, 255, 255, 0.88);
      font-size: 18px;
      line-height: 1.88;
    }
    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-top: 28px;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      min-height: 48px;
      padding: 0 20px;
      border-radius: 8px;
      font-size: 15px;
      font-weight: 700;
      transition: transform var(--transition), background var(--transition), border-color var(--transition), box-shadow var(--transition), color var(--transition);
    }
    .btn-primary {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 12px 24px rgba(23, 59, 52, 0.22);
    }
    .btn-primary:hover,
    .btn-primary:focus-visible {
      background: var(--primary-deep);
      transform: translateY(-1px);
      outline: none;
    }
    .btn-secondary {
      color: #fff;
      border: 1px solid rgba(255,255,255,0.34);
      background: rgba(255,255,255,0.06);
    }
    .btn-secondary:hover,
    .btn-secondary:focus-visible {
      background: rgba(237, 243, 239, 0.12);
      border-color: rgba(255,255,255,0.52);
      transform: translateY(-1px);
      outline: none;
    }
    .btn-light {
      color: var(--primary);
      border: 1px solid var(--border);
      background: var(--surface);
    }
    .btn-light:hover,
    .btn-light:focus-visible {
      background: var(--bg-soft);
      border-color: rgba(184, 137, 69, 0.48);
      transform: translateY(-1px);
      outline: none;
    }
    .hero-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 24px;
    }
    .hero-tag {
      display: inline-flex;
      align-items: center;
      min-height: 34px;
      padding: 0 14px;
      border-radius: 999px;
      background: rgba(255,255,255,0.12);
      border: 1px solid rgba(255,255,255,0.18);
      color: rgba(255,255,255,0.92);
      font-size: 13px;
      font-weight: 600;
      backdrop-filter: blur(4px);
    }
    .hero-visual {
      position: relative;
      display: grid;
      gap: 16px;
      align-self: stretch;
    }
    .hero-visual-main {
      position: relative;
      overflow: hidden;
      border-radius: 22px;
      min-height: 410px;
      border: 1px solid rgba(255,255,255,0.2);
      background: rgba(255,255,255,0.08);
      box-shadow: 0 18px 34px rgba(0,0,0,0.18);
    }
    .hero-visual-main img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      min-height: 410px;
      filter: saturate(0.98) contrast(1.02);
    }
    .hero-visual-caption {
      position: absolute;
      inset: auto 18px 18px 18px;
      display: grid;
      gap: 8px;
      padding: 16px 18px;
      border-radius: 16px;
      background: rgba(255, 253, 248, 0.92);
      color: var(--text);
      box-shadow: 0 14px 30px rgba(0,0,0,0.16);
    }
    .hero-visual-caption strong {
      font-size: 17px;
      line-height: 1.35;
    }
    .hero-visual-caption p {
      margin: 0;
      color: var(--muted);
      font-size: 14px;
      line-height: 1.7;
    }
    .hero-visual-strip {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
    }
    .mini-panel {
      padding: 18px 18px 16px;
      border-radius: 18px;
      background: rgba(255,255,255,0.10);
      border: 1px solid rgba(255,255,255,0.16);
      color: #fff;
    }
    .mini-panel span {
      display: inline-flex;
      margin-bottom: 8px;
      font-size: 12px;
      color: rgba(255,255,255,0.78);
      letter-spacing: 0;
    }
    .mini-panel strong {
      display: block;
      font-size: 16px;
      line-height: 1.45;
      margin-bottom: 6px;
    }
    .mini-panel p {
      margin: 0;
      color: rgba(255,255,255,0.82);
      font-size: 14px;
      line-height: 1.72;
    }

    .section {
      padding: var(--space-8) 0;
    }
    .section.tight {
      padding-top: 0;
    }
    .section-head {
      display: grid;
      gap: 12px;
      margin-bottom: 28px;
    }
    .section-kicker {
      color: var(--accent);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 0;
      text-transform: none;
    }
    .section-title {
      margin: 0;
      font-size: clamp(28px, 3vw, 38px);
      line-height: 1.22;
      color: var(--primary);
    }
    .section-subtitle {
      margin: 0;
      max-width: 58rem;
      color: var(--muted);
      font-size: 17px;
      line-height: 1.82;
    }

    .scenario-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
      gap: 18px;
      align-items: stretch;
    }
    .scenario-main,
    .scenario-stack > article {
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      background: var(--surface-strong);
      box-shadow: var(--shadow);
      overflow: hidden;
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }
    .scenario-main:hover,
    .scenario-stack > article:hover {
      transform: translateY(-2px);
      border-color: rgba(184, 137, 69, 0.52);
      box-shadow: var(--shadow-strong);
    }
    .scenario-main {
      display: grid;
      grid-template-rows: 240px 1fr;
      min-height: 100%;
    }
    .scenario-main img,
    .scenario-compact img,
    .guide-card img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .scenario-main .content,
    .scenario-compact .content,
    .guide-card .content {
      padding: 22px;
    }
    .scenario-main .content h3,
    .scenario-compact .content h3,
    .guide-card .content h3,
    .content-latest h3,
    .process-card h3,
    .cta-panel h2,
    .faq-item summary {
      margin: 0;
      color: var(--primary);
      line-height: 1.32;
    }
    .scenario-main .content h3 { font-size: 24px; }
    .scenario-main .content p,
    .scenario-compact .content p,
    .guide-card .content p,
    .process-card p,
    .content-latest p,
    .cta-panel p {
      margin: 10px 0 0;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.82;
    }
    .scenario-main .content .link,
    .scenario-compact .content .link,
    .guide-card .content .link,
    .content-latest .link,
    .cta-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      margin-top: 16px;
      color: var(--primary);
      font-weight: 700;
      border-bottom: 1px solid rgba(184, 137, 69, 0.34);
      padding-bottom: 2px;
      transition: color var(--transition), border-color var(--transition), transform var(--transition);
    }
    .scenario-main .content .link:hover,
    .scenario-compact .content .link:hover,
    .guide-card .content .link:hover,
    .content-latest .link:hover,
    .cta-link:hover {
      color: var(--accent);
      border-color: rgba(184, 137, 69, 0.72);
      transform: translateX(2px);
    }
    .scenario-stack {
      display: grid;
      gap: 18px;
    }
    .scenario-compact {
      display: grid;
      grid-template-columns: 168px minmax(0, 1fr);
      min-height: 180px;
    }
    .scenario-compact .media { min-height: 180px; }
    .scenario-compact .content h3 { font-size: 20px; }
    .index-badge {
      display: inline-flex;
      align-items: center;
      min-height: 28px;
      padding: 0 10px;
      border-radius: 999px;
      background: rgba(237, 243, 239, 0.95);
      color: var(--primary);
      font-size: 12px;
      font-weight: 700;
    }

    .trust-band {
      background: var(--primary);
      color: #fff;
      border-radius: 28px;
      overflow: hidden;
      padding: 28px;
      box-shadow: var(--shadow-strong);
    }
    .trust-band .section-title,
    .trust-band .section-subtitle,
    .trust-band .section-kicker { color: #fff; }
    .trust-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 18px;
      margin-top: 24px;
    }
    .trust-card {
      min-height: 170px;
      padding: 22px;
      border-radius: 20px;
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.14);
    }
    .trust-card .index-badge {
      background: rgba(184, 137, 69, 0.18);
      color: #fff;
    }
    .trust-card h3 {
      margin: 14px 0 8px;
      font-size: 22px;
      line-height: 1.35;
    }
    .trust-card p {
      margin: 0;
      color: rgba(255,255,255,0.82);
      font-size: 15px;
      line-height: 1.8;
    }

    .latest-layout {
      display: grid;
      grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
      gap: 18px;
      align-items: start;
    }
    .content-latest,
    .post-list,
    .empty-state {
      border-radius: var(--radius-lg);
      border: 1px solid var(--border);
      background: var(--surface-strong);
      box-shadow: var(--shadow);
    }
    .content-latest {
      overflow: hidden;
    }
    .content-latest .media {
      position: relative;
      min-height: 300px;
      background: #dfe8df;
    }
    .content-latest .media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      min-height: 300px;
    }
    .content-latest .content {
      padding: 24px;
    }
    .meta-row {
      display: flex;
      flex-wrap: wrap;
      align-items: center;
      gap: 10px 12px;
      color: var(--muted);
      font-size: 13px;
      line-height: 1.6;
      margin-bottom: 14px;
    }
    .meta-row span + span::before {
      content: "·";
      margin-right: 12px;
      color: rgba(102,109,102,0.65);
    }
    .content-latest h3 {
      font-size: 26px;
    }
    .content-latest p {
      font-size: 16px;
    }
    .post-list {
      padding: 12px 0;
      overflow: hidden;
    }
    .post-row {
      display: grid;
      gap: 8px;
      padding: 18px 22px;
      border-top: 1px solid rgba(221, 214, 200, 0.72);
      transition: background var(--transition), transform var(--transition);
    }
    .post-row:first-child { border-top: 0; }
    .post-row:hover {
      background: rgba(237, 243, 239, 0.72);
      transform: translateX(2px);
    }
    .post-row .post-title {
      margin: 0;
      color: var(--text);
      font-size: 16px;
      line-height: 1.55;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .post-row .post-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      color: var(--muted);
      font-size: 13px;
    }
    .post-row .post-meta span {
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .post-row .post-meta span + span::before {
      content: "·";
      color: rgba(102,109,102,0.65);
      margin-right: 6px;
    }
    .post-row .post-meta em {
      font-style: normal;
      color: var(--accent);
      font-weight: 700;
    }
    .empty-state {
      display: grid;
      place-items: center;
      min-height: 320px;
      padding: 40px 24px;
      color: var(--muted);
      font-size: 16px;
      text-align: center;
    }

    .guide-grid {
      display: grid;
      grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
      gap: 18px;
      align-items: stretch;
    }
    .guide-card {
      overflow: hidden;
      border-radius: var(--radius-lg);
      background: var(--surface-strong);
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
      display: grid;
      grid-template-rows: 250px 1fr;
      transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    }
    .guide-card:hover {
      transform: translateY(-2px);
      border-color: rgba(184, 137, 69, 0.52);
      box-shadow: var(--shadow-strong);
    }
    .guide-side {
      display: grid;
      gap: 18px;
      align-content: start;
    }
    .guide-note {
      padding: 24px;
      border-radius: var(--radius-lg);
      background: linear-gradient(180deg, rgba(237, 243, 239, 0.92), rgba(255, 253, 248, 0.98));
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
    }
    .guide-note h3 {
      margin: 0;
      font-size: 22px;
      color: var(--primary);
      line-height: 1.35;
    }
    .guide-note ul {
      margin: 16px 0 0;
      padding: 0;
      list-style: none;
      display: grid;
      gap: 12px;
    }
    .guide-note li {
      position: relative;
      padding-left: 18px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.8;
    }
    .guide-note li::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0.9em;
      width: 6px;
      height: 6px;
      border-radius: 999px;
      background: var(--accent);
    }

    .process-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 18px;
    }
    .process-card {
      position: relative;
      padding: 24px 22px 22px;
      border-radius: var(--radius-lg);
      background: var(--surface-strong);
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
      min-height: 206px;
    }
    .process-card .step {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 36px;
      height: 36px;
      border-radius: 999px;
      background: rgba(184, 137, 69, 0.14);
      color: var(--accent);
      font-weight: 800;
      font-size: 14px;
    }
    .process-card h3 {
      margin-top: 16px;
      font-size: 20px;
    }
    .process-card p { font-size: 15px; }

    .faq-wrap {
      display: grid;
      gap: 12px;
    }
    .faq-item {
      border-radius: 16px;
      border: 1px solid var(--border);
      background: var(--surface-strong);
      box-shadow: var(--shadow);
      overflow: hidden;
      transition: border-color var(--transition), box-shadow var(--transition);
    }
    .faq-item[open] {
      border-color: rgba(184, 137, 69, 0.52);
      box-shadow: var(--shadow-strong);
    }
    .faq-item summary {
      list-style: none;
      cursor: pointer;
      padding: 18px 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      font-size: 17px;
      user-select: none;
    }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary .caret {
      flex: none;
      width: 18px;
      height: 18px;
      border-right: 2px solid var(--accent);
      border-bottom: 2px solid var(--accent);
      transform: rotate(45deg) translateY(-2px);
      transition: transform var(--transition);
    }
    .faq-item[open] summary .caret {
      transform: rotate(225deg) translateY(-2px);
    }
    .faq-item .answer {
      padding: 0 20px 18px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.86;
    }

    .cta-panel {
      padding: 34px;
      border-radius: 28px;
      background: linear-gradient(120deg, var(--primary) 0%, #1e4a41 52%, #284f35 100%);
      color: #fff;
      box-shadow: var(--shadow-strong);
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      gap: 22px;
      align-items: center;
    }
    .cta-panel h2 {
      font-size: clamp(26px, 3vw, 36px);
      color: #fff;
    }
    .cta-panel p {
      color: rgba(255,255,255,0.84);
      max-width: 52rem;
      margin-top: 10px;
    }
    .cta-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: flex-end;
    }
    .cta-actions .btn-light {
      background: rgba(255,255,255,0.95);
      border-color: transparent;
    }

    .site-footer {
      background: var(--primary);
      color: #fff;
      margin-top: var(--space-8);
      padding: 54px 0 32px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr 0.9fr 1fr;
      gap: 24px;
      align-items: start;
    }
    .footer-brand .brand-text strong { color: #fff; }
    .footer-brand .brand-text span { color: rgba(255,255,255,0.72); }
    .footer-title {
      margin: 0 0 14px;
      font-size: 16px;
      color: #fff;
    }
    .footer-links {
      display: grid;
      gap: 10px;
      margin: 0;
      padding: 0;
      list-style: none;
    }
    .footer-links a {
      color: rgba(255,255,255,0.82);
      transition: color var(--transition), transform var(--transition);
    }
    .footer-links a:hover,
    .footer-links a:focus-visible {
      color: #f2d6ad;
      transform: translateX(2px);
      outline: none;
    }
    .footer-note {
      margin-top: 28px;
      padding-top: 18px;
      border-top: 1px solid rgba(255,255,255,0.12);
      color: rgba(255,255,255,0.72);
      font-size: 13px;
      line-height: 1.8;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 12px;
    }

    .label-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 16px;
    }
    .label {
      display: inline-flex;
      align-items: center;
      min-height: 30px;
      padding: 0 12px;
      border-radius: 999px;
      background: rgba(184, 137, 69, 0.12);
      color: var(--primary);
      font-size: 12px;
      font-weight: 700;
    }

    .skip-link {
      position: absolute;
      left: -9999px;
      top: auto;
      width: 1px;
      height: 1px;
      overflow: hidden;
    }
    .skip-link:focus {
      left: 16px;
      top: 16px;
      width: auto;
      height: auto;
      padding: 10px 14px;
      border-radius: 10px;
      background: #fff;
      color: var(--primary);
      z-index: 100;
    }

    @media (max-width: 1199px) {
      .hero-inner {
        grid-template-columns: 1fr;
        padding: 44px 28px;
      }
      .hero-shell { min-height: auto; }
      .hero-visual-main { min-height: 360px; }
      .scenario-layout,
      .latest-layout,
      .guide-grid,
      .cta-panel,
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .process-grid,
      .trust-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
    }

    @media (max-width: 767px) {
      .container { width: min(var(--container), calc(100% - 24px)); }
      .header-inner { min-height: 68px; }
      .nav-toggle { display: inline-flex; }
      .site-nav {
        position: absolute;
        top: calc(100% + 1px);
        left: 0;
        right: 0;
        display: grid;
        gap: 14px;
        padding: 16px;
        background: rgba(247, 243, 234, 0.98);
        border-bottom: 1px solid rgba(221, 214, 200, 0.85);
        box-shadow: 0 18px 28px rgba(23, 59, 52, 0.08);
        transform: translateY(-8px);
        opacity: 0;
        pointer-events: none;
        transition: opacity var(--transition), transform var(--transition);
      }
      .site-nav.is-open {
        opacity: 1;
        transform: translateY(0);
        pointer-events: auto;
      }
      .nav-links { flex-direction: column; align-items: stretch; }
      .nav-link {
        justify-content: flex-start;
        width: 100%;
        border-radius: 12px;
        min-height: 44px;
      }
      .hero { padding-top: 18px; }
      .hero-shell {
        border-radius: 22px;
        min-height: auto;
      }
      .hero-inner {
        padding: 24px 18px 18px;
        gap: 18px;
      }
      .hero h1 {
        max-width: 100%;
        font-size: clamp(30px, 8vw, 36px);
      }
      .hero-lead { font-size: 16px; }
      .hero-actions { flex-direction: column; }
      .btn { width: 100%; min-height: 46px; }
      .hero-visual-strip,
      .process-grid,
      .trust-grid {
        grid-template-columns: 1fr;
      }
      .scenario-layout,
      .guide-grid,
      .latest-layout {
        grid-template-columns: 1fr;
      }
      .scenario-compact {
        grid-template-columns: 1fr;
      }
      .scenario-compact .media { min-height: 220px; }
      .guide-card { grid-template-rows: 220px 1fr; }
      .content-latest .media,
      .content-latest .media img { min-height: 220px; }
      .cta-panel { padding: 24px; }
      .cta-actions { justify-content: stretch; }
      .faq-item summary { font-size: 16px; }
      .site-footer { padding-top: 42px; }
      .footer-note { flex-direction: column; }
      .section { padding: 56px 0; }
    }

    @media (max-width: 390px) {
      .hero-shell { border-radius: 18px; }
      .hero-inner { padding-inline: 14px; }
      .brand-text strong { font-size: 15px; }
      .section-title { font-size: 28px; }
      .section-subtitle { font-size: 15px; }
      .cta-panel h2 { font-size: 24px; }
      .faq-item summary { padding: 16px; }
      .faq-item .answer { padding-inline: 16px; }
      .post-row { padding-inline: 16px; }
    }

/* roulang page: article */
:root {
      --bg: #f7f3ea;
      --bg-soft: #edf3ef;
      --surface: #fffdf8;
      --surface-strong: #ffffff;
      --text: #232522;
      --muted: #666d66;
      --primary: #173b34;
      --primary-deep: #102923;
      --accent: #b88945;
      --accent-soft: #f1e5d1;
      --border: #ddd6c8;
      --warning: #9a4b32;
      --shadow: 0 14px 34px rgba(23, 59, 52, 0.08);
      --shadow-strong: 0 18px 42px rgba(23, 59, 52, 0.14);
      --radius: 12px;
      --radius-lg: 18px;
      --container: 1220px;
      --transition: 180ms ease;
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      color: var(--text);
      background: var(--bg);
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
      line-height: 1.8;
      text-rendering: optimizeLegibility;
      -webkit-font-smoothing: antialiased;
      word-break: break-word;
    }
    a { color: inherit; text-decoration: none; }
    img { display: block; max-width: 100%; }
    button { border: 0; background: none; cursor: pointer; font: inherit; }
    .container { width: min(var(--container), calc(100% - 32px)); margin: 0 auto; }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 20;
      background: rgba(247,243,234,.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(221,214,200,.8);
      transition: box-shadow var(--transition);
    }
    .site-header.is-scrolled { box-shadow: 0 8px 28px rgba(23,59,52,.1); }
    .header-inner {
      min-height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
    }
    .brand { display: inline-flex; align-items: center; gap: 12px; min-width: 0; color: var(--primary); }
    .brand-mark {
      position: relative;
      flex: none;
      width: 38px;
      height: 38px;
      border-radius: 10px;
      background: linear-gradient(145deg, var(--primary), #24594f);
      box-shadow: inset 0 0 0 1px rgba(255,255,255,.1);
    }
    .brand-mark:after {
      content: "";
      position: absolute;
      inset: 9px;
      border: 1px solid rgba(255,255,255,.35);
      border-radius: 8px;
    }
    .brand-text { display: flex; flex-direction: column; min-width: 0; line-height: 1.2; }
    .brand-text strong { font-size: 16px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
    .brand-text span { margin-top: 4px; color: var(--muted); font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
    .site-nav { display: flex; align-items: center; }
    .nav-links { display: flex; align-items: center; gap: 8px; }
    .nav-link {
      display: inline-flex;
      align-items: center;
      min-height: 46px;
      padding: 0 16px;
      border-radius: 999px;
      color: var(--muted);
      font-size: 14px;
      transition: color var(--transition), background var(--transition), transform var(--transition);
    }
    .nav-link:hover, .nav-link:focus-visible { color: var(--primary); background: var(--bg-soft); outline: none; }
    .nav-link.active { color: var(--primary); background: rgba(184,137,69,.12); box-shadow: inset 0 -2px 0 var(--accent); }
    .nav-toggle {
      display: none;
      width: 46px;
      height: 46px;
      border: 1px solid var(--border);
      border-radius: 10px;
      background: var(--surface);
      color: var(--primary);
    }
    .nav-toggle span, .nav-toggle span:before, .nav-toggle span:after {
      content: "";
      display: block;
      position: relative;
      width: 18px;
      height: 2px;
      margin: auto;
      border-radius: 3px;
      background: currentColor;
    }
    .nav-toggle span:before { position: absolute; top: -6px; }
    .nav-toggle span:after { position: absolute; top: 6px; }
    .article-banner {
      position: relative;
      overflow: hidden;
      margin-top: 26px;
      padding: 70px 0 74px;
      background: linear-gradient(105deg, rgba(23,59,52,.95), rgba(23,59,52,.8)), url('/assets/images/backpic/back-2.png') center/cover;
      color: #fff;
      border-radius: 22px;
      box-shadow: var(--shadow-strong);
    }
    .article-banner:after {
      content: "";
      position: absolute;
      right: 8%;
      bottom: -60px;
      width: 220px;
      height: 220px;
      border: 1px solid rgba(184,137,69,.45);
      border-radius: 50%;
    }
    .banner-inner { position: relative; z-index: 1; max-width: 900px; padding: 0 56px; }
    .breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; color: rgba(255,255,255,.7); font-size: 13px; }
    .breadcrumb a:hover { color: #fff; }
    .article-label {
      display: inline-flex;
      padding: 5px 12px;
      border-radius: 999px;
      color: var(--primary);
      background: var(--accent-soft);
      font-size: 13px;
      font-weight: 700;
    }
    .article-banner h1 {
      margin: 18px 0 18px;
      max-width: 850px;
      color: #fff;
      font-size: clamp(32px, 4.4vw, 52px);
      line-height: 1.22;
      letter-spacing: 0;
    }
    .article-meta { display: flex; flex-wrap: wrap; gap: 18px; color: rgba(255,255,255,.76); font-size: 14px; }
    .article-layout {
      display: grid;
      grid-template-columns: minmax(0, 840px) 280px;
      gap: 42px;
      align-items: start;
      justify-content: center;
      padding: 76px 0 90px;
    }
    .article-content {
      min-width: 0;
      padding: 42px 48px;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      background: var(--surface);
      box-shadow: var(--shadow);
      font-size: 18px;
      line-height: 1.95;
    }
    .article-content h2 { margin: 34px 0 14px; color: var(--primary); font-size: 30px; line-height: 1.35; }
    .article-content h3 { margin: 28px 0 12px; color: var(--primary); font-size: 22px; line-height: 1.45; }
    .article-content p { margin: 0 0 1.15em; }
    .article-content ul, .article-content ol { margin: 0 0 1.2em; padding-left: 1.6em; }
    .article-content li { margin: .35em 0; }
    .article-content blockquote {
      margin: 28px 0;
      padding: 16px 22px;
      border-left: 4px solid var(--accent);
      background: var(--bg-soft);
      color: #4e5b53;
    }
    .article-content img { width: 100%; height: auto; margin: 26px auto; border-radius: 12px; }
    .article-content table { display: block; width: 100%; overflow-x: auto; border-collapse: collapse; margin: 24px 0; }
    .article-content th, .article-content td { min-width: 120px; padding: 10px 14px; border: 1px solid var(--border); text-align: left; }
    .article-content code { padding: 2px 6px; border-radius: 5px; background: var(--bg-soft); color: var(--primary); font-size: .9em; }
    .article-side { position: sticky; top: 104px; }
    .side-card {
      padding: 24px;
      border: 1px solid var(--border);
      border-radius: var(--radius);
      background: var(--surface);
      box-shadow: var(--shadow);
    }
    .side-card + .side-card { margin-top: 16px; }
    .side-card h2 { margin: 0 0 16px; color: var(--primary); font-size: 19px; }
    .side-links { display: grid; gap: 8px; }
    .side-links a {
      padding: 10px 0;
      color: var(--muted);
      border-bottom: 1px solid var(--border);
      font-size: 14px;
      transition: color var(--transition), padding-left var(--transition);
    }
    .side-links a:last-child { border-bottom: 0; }
    .side-links a:hover { padding-left: 5px; color: var(--accent); }
    .side-note { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.75; }
    .missing {
      padding: 90px 24px;
      text-align: center;
      color: var(--muted);
    }
    .missing h1 { margin: 0 0 12px; color: var(--primary); font-size: 30px; }
    .button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
    .button {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 48px;
      padding: 0 22px;
      border-radius: 8px;
      font-size: 15px;
      font-weight: 700;
      transition: transform var(--transition), background var(--transition), color var(--transition), box-shadow var(--transition);
    }
    .button-primary { color: #fff; background: var(--primary); box-shadow: 0 8px 18px rgba(23,59,52,.16); }
    .button-primary:hover { color: #fff; background: var(--primary-deep); transform: translateY(-1px); }
    .button-secondary { color: var(--primary); border: 1px solid var(--primary); background: transparent; }
    .button-secondary:hover { background: var(--bg-soft); transform: translateY(-1px); }
    .site-footer { padding: 64px 0 24px; color: #fff; background: var(--primary); }
    .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 36px; }
    .site-footer .brand { color: #fff; }
    .site-footer .brand-text span { color: rgba(255,255,255,.68); }
    .footer-title { margin: 0 0 14px; color: #fff; font-size: 15px; }
    .footer-links { display: grid; gap: 7px; margin: 0; padding: 0; list-style: none; color: rgba(255,255,255,.72); font-size: 14px; }
    .footer-links a { transition: color var(--transition); }
    .footer-links a:hover { color: var(--accent); }
    .footer-note {
      display: flex;
      justify-content: space-between;
      gap: 20px;
      margin-top: 46px;
      padding-top: 18px;
      border-top: 1px solid rgba(255,255,255,.16);
      color: rgba(255,255,255,.58);
      font-size: 13px;
    }
    @media (max-width: 960px) {
      .article-layout { grid-template-columns: minmax(0, 1fr); }
      .article-side { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
      .side-card + .side-card { margin-top: 0; }
      .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
      .footer-grid > :last-child { grid-column: 2 / 4; }
    }
    @media (max-width: 767px) {
      .container { width: min(var(--container), calc(100% - 32px)); }
      .header-inner { min-height: 68px; }
      .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
      .site-nav {
        display: none;
        position: absolute;
        top: 68px;
        left: 0;
        right: 0;
        padding: 10px 16px 16px;
        background: var(--bg);
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow);
      }
      .site-nav.is-open { display: block; }
      .nav-links { display: grid; gap: 4px; }
      .nav-link { min-height: 46px; border-radius: 9px; }
      .article-banner { margin-top: 16px; border-radius: 16px; padding: 46px 0 50px; }
      .banner-inner { padding: 0 24px; }
      .article-banner h1 { font-size: 34px; }
      .article-layout { padding: 48px 0 60px; }
      .article-content { padding: 28px 22px; font-size: 17px; line-height: 1.88; }
      .article-content h2 { font-size: 26px; }
      .article-side { display: block; }
      .side-card + .side-card { margin-top: 16px; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px 20px; }
      .footer-grid > :last-child { grid-column: 1 / -1; }
      .footer-note { display: grid; gap: 6px; margin-top: 32px; }
    }
    @media (max-width: 390px) {
      .brand-text strong { max-width: 190px; }
      .article-banner h1 { font-size: 30px; }
      .button-row { display: grid; }
      .button { width: 100%; }
    }

/* roulang page: category1 */
:root{
      --bg:#f7f3ea;
      --bg-soft:#edf3ef;
      --surface:#fffdf8;
      --surface-strong:#fff;
      --text:#232522;
      --muted:#666d66;
      --primary:#173b34;
      --primary-deep:#102923;
      --accent:#b88945;
      --accent-soft:#f0e3cd;
      --border:#ddd6c8;
      --shadow:0 14px 34px rgba(23,59,52,.08);
      --shadow-strong:0 18px 42px rgba(23,59,52,.14);
      --radius:12px;
      --radius-lg:18px;
      --container:1220px;
      --transition:180ms ease;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--text);
      background:var(--bg);
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
      line-height:1.8;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
      word-break:break-word;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,textarea,select{font:inherit;color:inherit}
    button{border:0;background:none;cursor:pointer}
    .container{width:min(var(--container),calc(100% - 32px));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:60;
      background:rgba(247,243,234,.94);
      backdrop-filter:saturate(140%) blur(12px);
      border-bottom:1px solid rgba(221,214,200,.8);
      transition:box-shadow var(--transition)
    }
    .site-header.is-scrolled{box-shadow:0 8px 28px rgba(23,59,52,.1)}
    .header-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:16px}
    .brand{display:inline-flex;align-items:center;gap:12px;min-width:0;font-weight:700;color:var(--primary)}
    .brand-mark{
      position:relative;flex:none;width:38px;height:38px;border-radius:10px;
      background:linear-gradient(145deg,var(--primary),#24594f);
      box-shadow:inset 0 0 0 1px rgba(255,255,255,.08)
    }
    .brand-mark:after{content:"";position:absolute;inset:9px;border:1px solid rgba(255,255,255,.3);border-radius:8px}
    .brand-text{display:flex;flex-direction:column;min-width:0;line-height:1.2}
    .brand-text strong{font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .brand-text span{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .nav-toggle{
      display:none;align-items:center;justify-content:center;width:46px;height:46px;
      border:1px solid var(--border);border-radius:10px;background:var(--surface);color:var(--primary)
    }
    .nav-toggle span,.nav-toggle span:before,.nav-toggle span:after{
      content:"";display:block;position:relative;width:18px;height:2px;border-radius:5px;background:currentColor
    }
    .nav-toggle span:before{position:absolute;top:-6px}
    .nav-toggle span:after{position:absolute;top:6px}
    .site-nav,.nav-links{display:flex;align-items:center;gap:8px}
    .nav-link{
      position:relative;display:inline-flex;align-items:center;min-height:46px;padding:0 16px;
      border-radius:999px;color:var(--muted);font-size:14px;
      transition:color var(--transition),background var(--transition),transform var(--transition)
    }
    .nav-link:hover,.nav-link:focus-visible{color:var(--primary);background:var(--bg-soft);outline:none}
    .nav-link.active{color:var(--primary);background:rgba(184,137,69,.13);box-shadow:inset 0 -2px 0 var(--accent)}
    .page-hero{padding:62px 0 72px;background:var(--bg-soft);border-bottom:1px solid var(--border)}
    .hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,.86fr);gap:64px;align-items:center}
    .eyebrow,.tag{
      display:inline-flex;align-items:center;min-height:30px;padding:0 12px;border-radius:999px;
      background:var(--accent-soft);color:var(--primary);font-size:13px;font-weight:700
    }
    h1,h2,h3{margin:0;color:var(--primary);line-height:1.25}
    h1{margin:18px 0 18px;font-size:clamp(34px,4vw,52px);max-width:700px}
    .hero-copy{font-size:18px;color:var(--muted);max-width:650px;margin:0}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
    .btn{
      min-height:48px;display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:0 20px;border-radius:8px;font-weight:700;font-size:15px;
      transition:transform var(--transition),background var(--transition),border-color var(--transition),box-shadow var(--transition)
    }
    .btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(23,59,52,.15)}
    .btn-primary:hover{background:var(--primary-deep);transform:translateY(-2px);color:#fff}
    .btn-secondary{border:1px solid var(--primary);color:var(--primary);background:transparent}
    .btn-secondary:hover{background:#e2ece6;transform:translateY(-2px)}
    .hero-image{position:relative}
    .hero-image img{width:100%;height:360px;object-fit:cover;border-radius:18px;border:8px solid rgba(255,255,255,.68);box-shadow:var(--shadow-strong)}
    .image-note{position:absolute;right:20px;bottom:20px;padding:12px 16px;border-radius:10px;background:rgba(255,253,248,.93);color:var(--primary);font-size:13px;font-weight:700;box-shadow:var(--shadow)}
    .section{padding:92px 0}
    .section-soft{background:var(--bg-soft)}
    .section-heading{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:36px}
    .section-heading h2{font-size:34px}
    .section-heading p{max-width:500px;margin:0;color:var(--muted)}
    .feature-grid{display:grid;grid-template-columns:minmax(0,1.22fr) minmax(280px,.78fr);gap:22px}
    .feature-card,.mini-card,.scene-card,.faq-item{
      background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
      box-shadow:var(--shadow);transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition)
    }
    .feature-card:hover,.mini-card:hover,.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-strong);border-color:rgba(184,137,69,.65)}
    .feature-card{display:grid;grid-template-columns:1fr .8fr;overflow:hidden}
    .feature-content{padding:34px}
    .feature-content h3{font-size:25px;margin:18px 0 12px}
    .feature-content p,.mini-card p,.scene-card p{color:var(--muted);margin:0}
    .feature-card img{width:100%;height:100%;min-height:280px;object-fit:cover}
    .mini-stack{display:grid;gap:22px}
    .mini-card{padding:28px}
    .mini-card h3{font-size:20px;margin:14px 0 8px}
    .mini-number{color:var(--accent);font-weight:800;font-size:14px}
    .scenes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
    .scene-card{display:flex;gap:18px;padding:24px;align-items:flex-start}
    .scene-icon{display:grid;place-items:center;flex:none;width:42px;height:42px;border-radius:10px;background:var(--primary);color:#fff;font-weight:700}
    .scene-card h3{font-size:19px;margin:0 0 6px}
    .tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
    .tag{background:#fff;border:1px solid var(--border);font-weight:600;color:var(--muted)}
    .process{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--border)}
    .step{position:relative;padding:28px 22px 0;border-right:1px solid var(--border)}
    .step:last-child{border-right:0}
    .step:before{content:"";position:absolute;top:-7px;left:22px;width:13px;height:13px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 5px var(--bg)}
    .step strong{display:block;color:var(--primary);font-size:18px;margin-bottom:8px}
    .step p{margin:0;color:var(--muted);font-size:15px}
    .faq-list{max-width:900px;margin:auto}
    .faq-item{margin-bottom:12px;overflow:hidden}
    .faq-item summary{list-style:none;cursor:pointer;padding:20px 24px;color:var(--primary);font-weight:700;font-size:17px;position:relative;padding-right:56px}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{content:"+";position:absolute;right:24px;color:var(--accent);font-size:24px;line-height:1}
    .faq-item[open] summary:after{content:"−"}
    .faq-answer{padding:0 24px 22px;color:var(--muted);font-size:15px}
    .cta{padding:54px 0;background:var(--primary);color:#fff}
    .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h2{color:#fff;font-size:30px;margin-bottom:10px}
    .cta p{color:rgba(255,255,255,.78);margin:0;max-width:650px}
    .cta .btn-secondary{border-color:rgba(255,255,255,.65);color:#fff}
    .cta .btn-secondary:hover{background:rgba(255,255,255,.12)}
    .site-footer{padding:58px 0 24px;background:var(--primary);color:#fff;border-top:1px solid rgba(255,255,255,.12)}
    .footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:36px}
    .footer-title{font-size:15px;color:#fff;margin:0 0 14px}
    .footer-links{list-style:none;padding:0;margin:0;display:grid;gap:8px;color:rgba(255,255,255,.72);font-size:14px}
    .footer-links a:hover{color:var(--accent)}
    .footer-brand .brand{color:#fff}
    .footer-brand .brand-text span{color:rgba(255,255,255,.65)}
    .footer-note{display:flex;justify-content:space-between;gap:20px;margin-top:44px;padding-top:18px;border-top:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.58);font-size:13px}
    :focus-visible{outline:3px solid rgba(184,137,69,.45);outline-offset:3px}
    @media(max-width:900px){
      .hero-grid,.feature-grid{grid-template-columns:1fr;gap:32px}
      .hero-image img{height:300px}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:767px){
      .container{width:min(var(--container),calc(100% - 32px))}
      .header-inner{min-height:68px}
      .nav-toggle{display:flex}
      .site-nav{display:none;position:absolute;left:0;right:0;top:68px;padding:10px 16px 18px;background:var(--bg);border-bottom:1px solid var(--border);box-shadow:var(--shadow)}
      .site-nav.open{display:block}
      .nav-links{display:grid;gap:4px}
      .nav-link{width:100%;justify-content:flex-start;border-radius:8px}
      .page-hero{padding:48px 0 54px}
      h1{font-size:34px}
      .hero-copy{font-size:16px}
      .section{padding:60px 0}
      .section-heading{display:block;margin-bottom:26px}
      .section-heading h2{font-size:28px;margin-bottom:10px}
      .feature-card{grid-template-columns:1fr}
      .feature-card img{height:220px;min-height:0;order:-1}
      .feature-content{padding:26px}
      .scenes{grid-template-columns:1fr}
      .process{grid-template-columns:1fr;border-top:0;border-left:1px solid var(--border);margin-left:8px}
      .step{border-right:0;border-bottom:1px solid var(--border);padding:0 0 24px 28px;margin-bottom:24px}
      .step:last-child{border-bottom:0;margin-bottom:0}
      .step:before{top:4px;left:-7px;box-shadow:0 0 0 5px var(--bg-soft)}
      .cta-inner{display:block}
      .cta .hero-actions{margin-top:24px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px 18px}
      .footer-brand{grid-column:1/-1}
      .footer-note{display:block}
      .footer-note span{display:block;margin-top:5px}
    }
    @media(max-width:390px){
      .hero-actions{display:grid}
      .btn{width:100%}
      .brand-text strong{font-size:14px}
      .brand-text span{font-size:11px}
    }