/* roulang page: index */
:root {
  --primary: #0E3B32;
  --primary-dark: #0A2D27;
  --accent: #A8874E;
  --accent-hover: #BFA06A;
  --bg: #F7F5F0;
  --surface: #FFFFFF;
  --text: #1E2623;
  --muted: #6B756F;
  --line: #E2DED5;
  --radius: 8px;
  --radius-btn: 4px;
  --shadow: 0 8px 24px rgba(14, 59, 50, 0.08);
  --transition: 0.25s ease;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, 'PingFang SC', 'Noto Sans CJK SC', 'Microsoft YaHei', sans-serif;
  color: var(--text);
  background: #FFFFFF;
  line-height: 1.6;
  font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input { font-family: inherit; }
h1, h2, h3, h4 {
  font-family: 'Songti SC', 'SimSun', 'Noto Serif CJK SC', serif;
  margin: 0;
}
.container {
  max-width: 1180px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}
@media (max-width: 640px) {
  .container { padding-left: 16px; padding-right: 16px; }
}

.section-pad { padding: 100px 0; }
@media (max-width: 768px) { .section-pad { padding: 64px 0; } }

.display-title {
  font-size: 40px;
  line-height: 1.25;
  font-weight: 600;
  color: var(--text);
}
@media (max-width: 768px) { .display-title { font-size: 30px; } }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #FFFFFF;
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.3s ease;
}
.site-header.scrolled {
  box-shadow: 0 2px 12px rgba(14, 59, 50, 0.06);
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-mark {
  width: 30px;
  height: 30px;
  background: var(--accent);
  color: #FFFFFF;
  font-family: 'Songti SC', 'SimSun', serif;
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  flex-shrink: 0;
}
.logo-text {
  font-family: 'Songti SC', 'SimSun', 'Noto Serif CJK SC', serif;
  font-size: 20px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
}
.nav-link {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  padding: 8px 2px;
  transition: color 0.25s ease;
}
.nav-link:hover { color: var(--primary); }
.nav-link.active { color: var(--primary); }
.nav-link.active::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background: var(--accent);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: var(--primary-dark);
  padding: 14px 28px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: all 0.25s ease;
  cursor: pointer;
  white-space: nowrap;
  border: none;
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
}
.btn-primary:active { transform: translateY(0); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--primary);
  padding: 14px 28px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid var(--primary);
  transition: all 0.25s ease;
  cursor: pointer;
  white-space: nowrap;
}
.btn-outline:hover {
  background: var(--primary);
  color: #FFFFFF;
}

.btn-outline-light {
  background: transparent;
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.75);
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
  transform: translateY(-2px);
  border-color: #FFFFFF;
}

.btn-sm { padding: 10px 20px; font-size: 14px; }

/* Mobile drawer */
.drawer-overlay {
  position: fixed;
  inset: 0;
  background: rgba(14, 59, 50, 0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 60;
}
.drawer-overlay.open {
  opacity: 1;
  pointer-events: auto;
}
.drawer-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 100%;
  height: 100%;
  background: #FFFFFF;
  z-index: 61;
  transform: translateX(100%);
  transition: transform 0.35s ease;
  overflow-y: auto;
  padding: 24px;
}
.drawer-panel.open { transform: translateX(0); }
.drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.drawer-close {
  font-size: 36px;
  line-height: 1;
  color: var(--muted);
  background: none;
  border: none;
  cursor: pointer;
  font-weight: 300;
}
.drawer-close:hover { color: var(--text); }
.drawer-link {
  display: block;
  font-size: 22px;
  font-weight: 500;
  color: var(--text);
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
  transition: color 0.25s ease;
}
.drawer-link:hover { color: var(--accent); }
.drawer-link.active { color: var(--accent); }
.drawer-footer { margin-top: 32px; }

/* Hero */
.hero-section { background: var(--bg); }
.hero-main-title {
  font-size: 52px;
  line-height: 1.2;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.01em;
}
@media (max-width: 1024px) { .hero-main-title { font-size: 42px; } }
@media (max-width: 640px) { .hero-main-title { font-size: 34px; } }
.hero-eyebrow {
  font-family: 'SFMono-Regular', 'Roboto Mono', 'Menlo', monospace;
  font-size: 13px;
  color: var(--accent);
  letter-spacing: 0.08em;
}
.hero-sub {
  font-size: 17px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 540px;
}
@media (max-width: 640px) { .hero-sub { font-size: 15px; } }

.hero-compare-card {
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.hero-card-label {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 1;
  background: var(--primary);
  color: #FFFFFF;
  font-size: 12px;
  padding: 4px 14px;
  border-radius: 999px;
}
.hero-card-row {
  display: flex;
  padding: 14px 20px;
  font-size: 14px;
  border-bottom: 1px solid var(--line);
}
.hero-card-col { flex: 1; }
.hero-card-col.active {
  background: rgba(247, 245, 240, 0.55);
  border-left: 2px solid var(--accent);
}
.hero-card-accent-line {
  width: 24px;
  height: 2px;
  background: var(--accent);
  margin-top: 10px;
  margin-left: 20px;
}

/* Stats */
.stat-section {
  background: #FFFFFF;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.stat-num {
  font-family: 'SFMono-Regular', 'Roboto Mono', 'Menlo', monospace;
  font-size: 36px;
  line-height: 1.2;
  color: var(--primary);
  font-weight: 500;
}
.stat-label {
  font-size: 12px;
  color: var(--muted);
  margin-top: 10px;
  letter-spacing: 0.02em;
}
.stat-item {
  padding: 40px 16px;
  text-align: center;
  border-right: 1px solid var(--line);
}
.stat-item:last-child { border-right: none; }
@media (max-width: 640px) {
  .stat-item { border-right: none; border-bottom: 1px solid var(--line); }
  .stat-item:last-child { border-bottom: none; }
}

/* Section title */
.section-kicker {
  font-family: 'SFMono-Regular', 'Roboto Mono', 'Menlo', monospace;
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.section-title {
  font-size: 36px;
  line-height: 1.25;
  font-weight: 600;
  color: var(--text);
  margin-top: 8px;
}
@media (max-width: 640px) { .section-title { font-size: 28px; } }
.section-desc {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.7;
  max-width: 560px;
  margin-top: 12px;
}

/* Compare table */
.compare-wrap {
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  overflow-x: auto;
}
.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 560px;
  font-size: 15px;
}
.compare-table th,
.compare-table td {
  padding: 16px 22px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
.compare-table thead th {
  background: var(--primary);
  color: #FFFFFF;
  font-weight: 600;
  font-size: 15px;
  font-family: -apple-system, 'PingFang SC', 'Noto Sans CJK SC', 'Microsoft YaHei', sans-serif;
}
.compare-table thead th.member-col { color: var(--accent); }
.compare-table tbody tr:last-child td { border-bottom: none; }
.compare-table td.member-col {
  background: rgba(247, 245, 240, 0.55);
  border-left: 2px solid var(--accent);
}
.compare-table td { color: var(--muted); }
.compare-table td:first-child { color: var(--text); font-weight: 500; }
.compare-hint {
  font-size: 13px;
  color: var(--muted);
  margin-top: 12px;
  letter-spacing: 0.02em;
}

/* Level timeline */
.level-section { background: #FFFFFF; }
.level-row {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  padding: 44px 24px;
  border-bottom: 1px solid var(--line);
}
.level-row:nth-child(odd) { background: var(--bg); }
.level-row:first-child { border-top: 1px solid var(--line); }
.level-row:last-child { border-bottom: 1px solid var(--line); }
.level-num {
  font-family: 'SFMono-Regular', 'Roboto Mono', 'Menlo', monospace;
  font-size: 64px;
  line-height: 1;
  color: var(--accent);
  width: 110px;
  flex-shrink: 0;
  font-weight: 400;
}
.level-name {
  font-size: 24px;
  font-weight: 600;
  color: var(--text);
}
.level-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  margin-top: 6px;
  max-width: 600px;
}
.level-tag {
  display: inline-block;
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 13px;
  color: var(--text);
  margin-right: 8px;
  margin-top: 14px;
  transition: border-color 0.25s ease, color 0.25s ease;
}
.level-row:hover .level-tag {
  border-color: var(--accent);
  color: var(--primary);
}
.level-link {
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.25s ease, color 0.25s ease;
  white-space: nowrap;
  flex-shrink: 0;
}
.level-link:hover { color: var(--accent); gap: 10px; }
@media (max-width: 768px) {
  .level-row { flex-direction: column; gap: 16px; padding: 32px 16px; }
  .level-num { font-size: 48px; width: auto; }
  .level-link { margin-top: 8px; }
}

/* News cards */
.news-section { background: var(--bg); }
.news-card {
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}
.news-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
}
.news-card-img-wrap {
  overflow: hidden;
  aspect-ratio: 16 / 10;
  position: relative;
}
.news-card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.news-card:hover .news-card-img-wrap img { transform: scale(1.05); }
.news-card-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
.news-card-title {
  font-size: 18px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card-summary {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.news-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  font-size: 12px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 14px;
}
.read-more {
  font-size: 13px;
  font-weight: 500;
  color: var(--primary);
  transition: color 0.25s ease;
}
.read-more:hover { color: var(--accent); }
.badge-cat {
  position: absolute;
  left: 12px;
  bottom: 12px;
  background: var(--primary);
  color: #FFFFFF;
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 999px;
  z-index: 1;
}
.empty-state {
  background: #FFFFFF;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  padding: 56px 20px;
  text-align: center;
  color: var(--muted);
  font-size: 15px;
}

/* FAQ */
.faq-section { background: #FFFFFF; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item:first-child { border-top: 1px solid var(--line); }
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 20px 0;
  cursor: pointer;
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  transition: color 0.25s ease;
}
.faq-question:hover { color: var(--accent); }
.faq-icon {
  font-size: 24px;
  line-height: 1;
  color: var(--muted);
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
  color: var(--accent);
}
.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s ease;
}
.faq-item.open .faq-answer { grid-template-rows: 1fr; }
.faq-answer-inner {
  overflow: hidden;
  font-size: 14px;
  color: var(--muted);
  line-height: 1.8;
  padding: 0 40px 20px 0;
}

.contact-form {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  flex-wrap: wrap;
}
.contact-input {
  flex: 1;
  min-width: 200px;
  height: 48px;
  border: none;
  border-bottom: 1px solid var(--line);
  background: transparent;
  font-size: 15px;
  color: var(--text);
  outline: none;
  transition: border-color 0.25s ease;
}
.contact-input:focus { border-bottom-color: var(--accent); }
.contact-input::placeholder { color: var(--muted); }
.form-note { font-size: 12px; color: var(--muted); margin-top: 12px; }

/* CTA */
.cta-section { padding: 80px 0; }
.cta-block {
  background: var(--primary);
  border-radius: 12px;
  position: relative;
  overflow: hidden;
  padding: 72px 48px;
}
@media (max-width: 640px) { .cta-block { padding: 48px 20px; } }
.cta-block::after {
  content: 'yl7703';
  position: absolute;
  right: 16px;
  bottom: 4px;
  font-family: 'SFMono-Regular', 'Roboto Mono', 'Menlo', monospace;
  font-size: 88px;
  line-height: 1;
  color: rgba(255, 255, 255, 0.05);
  letter-spacing: -0.02em;
  pointer-events: none;
}
.cta-label {
  font-family: 'SFMono-Regular', 'Roboto Mono', 'Menlo', monospace;
  font-size: 12px;
  color: var(--accent);
  letter-spacing: 0.12em;
}
.cta-title {
  font-size: 42px;
  line-height: 1.25;
  color: #FFFFFF;
  font-weight: 600;
  margin-top: 12px;
  max-width: 640px;
}
@media (max-width: 640px) { .cta-title { font-size: 28px; } }
.cta-desc {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.8;
  margin-top: 12px;
  max-width: 560px;
}

/* Footer */
.site-footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.7);
  border-top: 2px solid var(--accent);
}
.footer-link {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  display: inline-block;
  padding: 4px 0;
  transition: color 0.25s ease;
  background-image: linear-gradient(var(--accent), var(--accent));
  background-size: 0% 1px;
  background-repeat: no-repeat;
  background-position: left bottom;
  transition: background-size 0.25s ease, color 0.25s ease;
}
.footer-link:hover {
  color: #FFFFFF;
  background-size: 100% 1px;
}
.footer-brand {
  font-family: 'Songti SC', 'SimSun', 'Noto Serif CJK SC', serif;
  font-size: 22px;
  color: #FFFFFF;
  font-weight: 600;
}
.footer-copy {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  padding: 20px 0;
}
.footer-title {
  font-size: 14px;
  color: #FFFFFF;
  font-weight: 600;
  margin-bottom: 14px;
  font-family: -apple-system, 'PingFang SC', 'Noto Sans CJK SC', 'Microsoft YaHei', sans-serif;
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
  .count { transition: none; }
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.text-link {
  color: var(--primary);
  font-weight: 500;
  background-image: linear-gradient(var(--accent), var(--accent));
  background-size: 0% 2px;
  background-repeat: no-repeat;
  background-position: left calc(100% - 2px);
  transition: background-size 0.25s ease, color 0.25s ease;
  padding-bottom: 2px;
}
.text-link:hover {
  color: var(--accent);
  background-size: 100% 2px;
}

/* roulang page: category1 */
:root {
            --primary: #0E3B32;
            --primary-hover: #0A2D27;
            --accent: #A8874E;
            --accent-hover: #BFA06A;
            --bg: #F7F5F0;
            --surface: #FFFFFF;
            --text: #1E2623;
            --muted: #6B756F;
            --line: #E2DED5;
            --danger: #B33A2A;
            --radius: 8px;
            --radius-btn: 4px;
            --shadow-lg: 0 8px 24px rgba(14, 59, 50, 0.08);
            --transition: 0.25s ease;
            --container: 1180px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, 'PingFang SC', 'Noto Sans CJK SC', 'Microsoft YaHei', sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }

        input {
            font-family: inherit;
        }

        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 640px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: #FFFFFF;
            border-bottom: 1px solid transparent;
            transition: box-shadow 0.3s ease, border-color 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 4px 16px rgba(14, 59, 50, 0.06);
            border-bottom-color: var(--line);
        }

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            background: var(--accent);
            color: #fff;
            font-family: 'Songti SC', 'SimSun', serif;
            font-size: 17px;
            font-weight: 700;
            border-radius: 4px;
        }

        .logo-text {
            font-family: 'Songti SC', 'SimSun', 'Noto Serif CJK SC', serif;
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.02em;
        }

        .nav-link {
            position: relative;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            padding: 8px 0;
            white-space: nowrap;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 100%;
            height: 2px;
            background: var(--accent);
            transform: scaleX(0);
            transform-origin: left center;
            transition: transform 0.25s ease;
        }

        .nav-link:hover {
            color: var(--primary);
        }

        .nav-link:hover::after {
            transform: scaleX(1);
        }

        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-link.active::after {
            transform: scaleX(1);
        }

        /* ===== Buttons ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: #0E3B32;
            font-weight: 600;
            font-size: 15px;
            padding: 14px 28px;
            border-radius: 4px;
            border: 1px solid var(--accent);
            transition: all 0.25s ease;
            line-height: 1.4;
            gap: 8px;
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(168, 135, 78, 0.25);
        }

        .btn-primary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            padding: 14px 28px;
            border-radius: 4px;
            border: 1px solid var(--primary);
            transition: all 0.25s ease;
            line-height: 1.4;
        }

        .btn-secondary:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-secondary:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-sm {
            padding: 10px 22px;
            font-size: 14px;
        }

        .btn-white {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 14px 28px;
            border-radius: 4px;
            border: 1px solid rgba(255, 255, 255, 0.7);
            transition: all 0.25s ease;
            line-height: 1.4;
        }

        .btn-white:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn-white:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== Mobile Menu ===== */
        .mobile-menu {
            position: fixed;
            top: 0;
            right: 0;
            width: 100%;
            height: 100vh;
            background: #fff;
            z-index: 100;
            transform: translateX(100%);
            transition: transform 0.35s ease;
            display: flex;
            flex-direction: column;
            padding: 24px 24px 40px;
            overflow-y: auto;
        }

        .mobile-menu.open {
            transform: translateX(0);
        }

        .mobile-menu .close-btn {
            align-self: flex-end;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            color: var(--text);
            border-radius: 4px;
            transition: background 0.25s ease;
        }

        .mobile-menu .close-btn:hover {
            background: var(--bg);
        }

        .mobile-menu .mobile-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            margin-top: 24px;
            flex: 1;
        }

        .mobile-menu .mobile-nav a {
            font-size: 24px;
            font-weight: 500;
            padding: 12px 0;
            color: var(--text);
            border-bottom: 1px solid rgba(226, 222, 213, 0.6);
            line-height: 1.4;
        }

        .mobile-menu .mobile-nav a.active {
            color: var(--primary);
            font-weight: 600;
            border-bottom-color: var(--accent);
        }

        .mobile-menu .mobile-cta {
            margin-top: 28px;
        }

        .mobile-menu .mobile-cta .btn-primary {
            width: 100%;
        }

        /* ===== Category Hero ===== */
        .cat-hero {
            position: relative;
            min-height: 300px;
            display: flex;
            align-items: center;
            background-image: linear-gradient(135deg, rgba(247, 245, 240, 0.92) 50%, rgba(247, 245, 240, 0.6) 100%), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center 60%;
            border-bottom: 1px solid var(--line);
            overflow: hidden;
        }

        .cat-hero .inner {
            padding: 64px 0 56px;
            position: relative;
            z-index: 2;
        }

        .cat-hero .eyebrow {
            font-family: 'SFMono-Regular', 'Roboto Mono', 'Menlo', monospace;
            font-size: 13px;
            color: var(--muted);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .cat-hero .eyebrow::before {
            content: '';
            display: inline-block;
            width: 20px;
            height: 1px;
            background: var(--accent);
        }

        .cat-hero h1 {
            font-family: 'Songti SC', 'SimSun', 'Noto Serif CJK SC', serif;
            font-size: 44px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.25;
            margin: 0 0 16px;
        }

        .cat-hero .sub {
            font-size: 15px;
            color: var(--muted);
            max-width: 560px;
            line-height: 1.8;
        }

        @media (max-width: 768px) {
            .cat-hero {
                min-height: 240px;
            }
            .cat-hero .inner {
                padding: 44px 0 36px;
            }
            .cat-hero h1 {
                font-size: 32px;
            }
            .cat-hero .sub {
                font-size: 14px;
            }
        }

        /* ===== Section spacing ===== */
        .section-block {
            padding: 96px 0;
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 64px 0;
            }
        }

        .section-title {
            font-family: 'Songti SC', 'SimSun', 'Noto Serif CJK SC', serif;
            font-size: 36px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--muted);
            max-width: 600px;
            line-height: 1.8;
        }

        /* ===== Figure Blocks ===== */
        .figure-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
            padding: 60px 0;
        }

        .figure-block.reverse .figure-img {
            order: 2;
        }

        .figure-block .figure-img {
            border-radius: 8px;
            overflow: hidden;
            border: 1px solid var(--line);
            background: #fff;
            aspect-ratio: 4/3;
            position: relative;
        }

        .figure-block .figure-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .figure-block .figure-img:hover img {
            transform: scale(1.04);
        }

        .figure-block .figure-body .tag {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }

        .figure-block .figure-body h2 {
            font-family: 'Songti SC', 'SimSun', 'Noto Serif CJK SC', serif;
            font-size: 32px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.35;
            margin-bottom: 16px;
        }

        .figure-block .figure-body p {
            font-size: 15px;
            line-height: 1.9;
            color: #444F4A;
            margin-bottom: 14px;
        }

        .figure-block .figure-body .meta-list {
            list-style: none;
            padding: 0;
            margin: 20px 0 0;
            border-top: 1px solid var(--line);
            padding-top: 16px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
        }

        .figure-block .figure-body .meta-list li {
            font-size: 13px;
            color: var(--muted);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .figure-block .figure-body .meta-list li::before {
            content: '';
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .figure-block {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 40px 0;
            }
            .figure-block.reverse .figure-img {
                order: 1;
            }
            .figure-block .figure-body h2 {
                font-size: 26px;
            }
            .figure-block .figure-body .meta-list {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Tip Card ===== */
        .tip-card {
            border: 1px solid var(--accent);
            border-radius: 8px;
            padding: 36px 40px;
            background: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            margin: 32px 0 0;
        }

        .tip-card .tip-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(168, 135, 78, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--accent);
            flex-shrink: 0;
        }

        .tip-card .tip-text {
            flex: 1;
            font-size: 14px;
            line-height: 1.8;
            color: #444F4A;
            min-width: 220px;
        }

        .tip-card .tip-text strong {
            color: var(--primary);
            font-weight: 600;
        }

        @media (max-width: 640px) {
            .tip-card {
                padding: 24px 20px;
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--line);
            padding: 0;
        }

        .faq-item:last-child {
            border-bottom: none;
        }

        .faq-item .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 22px 0;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            transition: color 0.25s ease;
            background: none;
            text-align: left;
            width: 100%;
            line-height: 1.6;
        }

        .faq-item .faq-q:hover {
            color: var(--accent);
        }

        .faq-item .faq-icon {
            flex-shrink: 0;
            width: 20px;
            height: 20px;
            position: relative;
            transition: transform 0.3s ease;
        }

        .faq-item .faq-icon::before,
        .faq-item .faq-icon::after {
            content: '';
            position: absolute;
            background: var(--accent);
            border-radius: 2px;
        }

        .faq-item .faq-icon::before {
            width: 16px;
            height: 2px;
            top: 9px;
            left: 2px;
        }

        .faq-item .faq-icon::after {
            width: 2px;
            height: 16px;
            top: 2px;
            left: 9px;
            transition: opacity 0.25s ease;
        }

        .faq-item.active .faq-icon::after {
            opacity: 0;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        .faq-item .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .faq-item .faq-a-inner {
            padding: 0 0 22px;
            font-size: 14px;
            line-height: 1.8;
            color: var(--muted);
        }

        /* ===== CTA Section ===== */
        .cta-section {
            position: relative;
            background: var(--primary);
            border-radius: 12px;
            padding: 64px 48px;
            color: #fff;
            overflow: hidden;
            text-align: center;
        }

        .cta-section::before {
            content: 'yl7703';
            position: absolute;
            right: 24px;
            bottom: -12px;
            font-family: 'SFMono-Regular', 'Roboto Mono', 'Menlo', monospace;
            font-size: 72px;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.05);
            pointer-events: none;
            letter-spacing: 0.05em;
            line-height: 1;
        }

        .cta-section .cta-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.1em;
            text-transform: uppercase;
            margin-bottom: 16px;
            border: 1px solid rgba(168, 135, 78, 0.5);
            padding: 4px 14px;
            border-radius: 999px;
        }

        .cta-section h2 {
            font-family: 'Songti SC', 'SimSun', 'Noto Serif CJK SC', serif;
            font-size: 38px;
            font-weight: 700;
            line-height: 1.35;
            margin: 0 0 14px;
            color: #fff;
        }

        .cta-section p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 480px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }

        .cta-section .btn-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 44px 24px;
                border-radius: 10px;
            }
            .cta-section h2 {
                font-size: 28px;
            }
            .cta-section p {
                font-size: 14px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: #fff;
            margin-top: 96px;
        }

        .site-footer .footer-brand {
            font-family: 'Songti SC', 'SimSun', 'Noto Serif CJK SC', serif;
            font-size: 22px;
            font-weight: 700;
            color: #fff;
        }

        .site-footer .footer-title {
            font-size: 14px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
        }

        .site-footer .footer-link {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 2.2;
            transition: all 0.25s ease;
            position: relative;
            display: inline-block;
        }

        .site-footer .footer-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 1px;
            background: var(--accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.25s ease;
        }

        .site-footer .footer-link:hover {
            color: #fff;
        }

        .site-footer .footer-link:hover::after {
            transform: scaleX(1);
        }

        .site-footer .footer-copy {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 48px;
            padding-top: 24px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }

        @media (max-width: 768px) {
            .site-footer {
                margin-top: 64px;
            }
        }

        /* ===== Animations ===== */
        .reveal {
            opacity: 0;
            transform: translateY(22px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .reveal-delay-1 {
            transition-delay: 0.08s;
        }
        .reveal-delay-2 {
            transition-delay: 0.16s;
        }
        .reveal-delay-3 {
            transition-delay: 0.24s;
        }

        @media (prefers-reduced-motion: reduce) {
            .reveal {
                opacity: 1;
                transform: none;
                transition: none;
            }
        }

        /* ===== Image overlay utility ===== */
        .img-frame {
            border-radius: 8px;
            overflow: hidden;
            border: 1px solid var(--line);
            background: #fff;
        }

        .img-frame img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ===== Badge pill ===== */
        .badge-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(14, 59, 50, 0.08);
            color: var(--primary);
            font-size: 13px;
            font-weight: 500;
            padding: 6px 16px;
            border-radius: 999px;
            border: 1px solid rgba(14, 59, 50, 0.12);
        }

        .badge-pill.gold {
            background: rgba(168, 135, 78, 0.1);
            color: #8A6A3F;
            border-color: rgba(168, 135, 78, 0.25);
        }

/* roulang page: article */
:root {
    --primary: #0E3B32;
    --primary-dark: #0A2D27;
    --accent: #A8874E;
    --accent-hover: #BFA06A;
    --bg: #F7F5F0;
    --surface: #FFFFFF;
    --text: #1E2623;
    --muted: #6B756F;
    --line: #E2DED5;
    --danger: #B33A2A;
    --radius: 8px;
    --shadow-hover: 0 8px 24px rgba(14, 59, 50, 0.08);
  }

  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    background-color: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Noto Sans CJK SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.6;
    margin: 0;
  }
  a { color: inherit; text-decoration: none; }
  img { max-width: 100%; display: block; }
  button { font: inherit; cursor: pointer; }

  .container {
    max-width: 1180px !important;
    margin-left: auto;
    margin-right: auto;
    padding-left: 24px;
    padding-right: 24px;
  }
  @media (max-width: 640px) {
    .container { padding-left: 16px; padding-right: 16px; }
  }

  /* Header */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 40;
    background: #FFFFFF;
    border-bottom: 1px solid var(--line);
    transition: box-shadow 0.25s ease, border-color 0.25s ease;
  }
  .site-header.scrolled {
    box-shadow: 0 4px 16px rgba(14, 59, 50, 0.06);
    border-bottom-color: rgba(226, 222, 213, 0.8);
  }
  .logo { display: inline-flex; align-items: center; gap: 10px; }
  .logo-mark {
    width: 28px;
    height: 28px;
    background: var(--accent);
    color: #10231E;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Songti SC', 'SimSun', serif;
    font-size: 16px;
    font-weight: 700;
    border-radius: 4px;
    line-height: 1;
  }
  .logo-text {
    font-family: 'Songti SC', 'SimSun', 'Noto Serif CJK SC', serif;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--primary);
  }
  .nav-link {
    font-size: 15px;
    font-weight: 500;
    color: #1E2623;
    padding: 8px 0;
    position: relative;
    transition: color 0.25s ease;
    white-space: nowrap;
  }
  .nav-link:hover { color: var(--primary); opacity: 0.8; }
  .nav-link.active { color: var(--primary); }
  .nav-link.active::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -2px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
  }

  /* Buttons */
  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: #0E3B32;
    font-weight: 600;
    font-size: 15px;
    padding: 14px 28px;
    border-radius: 4px;
    border: 1px solid transparent;
    transition: background-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
    cursor: pointer;
    line-height: 1.2;
  }
  .btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(168, 135, 78, 0.25);
  }
  .btn-primary:focus-visible,
  .btn-secondary:focus-visible,
  .btn-outline-light:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
  }
  .btn-sm { padding: 10px 20px; font-size: 14px; }
  .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
    font-weight: 600;
    font-size: 15px;
    padding: 14px 28px;
    border-radius: 4px;
    transition: background-color 0.25s ease, color 0.25s ease;
    line-height: 1.2;
  }
  .btn-secondary:hover { background: var(--primary); color: #FFFFFF; }
  .btn-outline-light {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: #FFFFFF;
    border: 1px solid rgba(255, 255, 255, 0.7);
    font-weight: 600;
    font-size: 15px;
    padding: 14px 28px;
    border-radius: 4px;
    transition: background-color 0.25s ease, border-color 0.25s ease;
    line-height: 1.2;
  }
  .btn-outline-light:hover { background: rgba(255, 255, 255, 0.08); border-color: #FFFFFF; }

  /* Mobile menu */
  .mobile-menu {
    position: fixed;
    inset: 0;
    z-index: 100;
    background: rgba(14, 59, 50, 0.45);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }
  .mobile-menu.open { opacity: 1; pointer-events: auto; }
  .mobile-menu-inner {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-width: 420px;
    background: #FFFFFF;
    padding: 72px 32px 40px;
    transform: translateX(100%);
    transition: transform 0.35s ease;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
  }
  .mobile-menu.open .mobile-menu-inner { transform: translateX(0); }
  .mobile-close {
    position: absolute;
    top: 16px;
    right: 16px;
    font-size: 34px;
    line-height: 1;
    color: var(--text);
    background: none;
    border: none;
    padding: 4px;
  }
  .mobile-nav-link {
    font-size: 20px;
    font-weight: 500;
    color: var(--text);
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
    transition: color 0.25s ease;
  }
  .mobile-nav-link:hover { color: var(--primary); }
  .mobile-nav-link.active { color: var(--primary); }
  .mobile-cta { margin-top: auto; padding-top: 32px; }

  /* Breadcrumb */
  .breadcrumb {
    font-size: 13px;
    color: var(--muted);
    letter-spacing: 0.02em;
    line-height: 1.8;
  }
  .breadcrumb a { color: var(--muted); transition: color 0.25s ease; }
  .breadcrumb a:hover { color: var(--accent); }
  .breadcrumb .sep { margin: 0 8px; color: #C2BCAE; }

  /* Article header */
  .article-h1 {
    font-family: 'Songti SC', 'SimSun', 'Noto Serif CJK SC', serif;
    font-size: 40px;
    font-weight: 700;
    line-height: 1.35;
    color: #121917;
    margin-bottom: 18px;
    letter-spacing: 0.01em;
  }
  @media (max-width: 768px) {
    .article-h1 { font-size: 30px; }
  }
  .article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    font-family: 'SFMono-Regular', 'Roboto Mono', Menlo, monospace;
    font-size: 13px;
    color: var(--muted);
  }
  .article-meta span { display: inline-flex; align-items: center; gap: 6px; }

  /* Article content */
  .article-content {
    font-size: 17px;
    line-height: 1.9;
    color: #1E2623;
    word-break: break-word;
  }
  .article-content p { margin-bottom: 20px; }
  .article-content h2,
  .article-content h3 {
    font-family: 'Songti SC', 'SimSun', serif;
    color: var(--primary);
    font-weight: 700;
    margin-top: 40px;
    margin-bottom: 16px;
    line-height: 1.4;
  }
  .article-content h2 { font-size: 26px; }
  .article-content h3 { font-size: 20px; }
  .article-content blockquote {
    border-left: 3px solid var(--accent);
    background: #F7F5F0;
    padding: 16px 20px;
    margin: 24px 0;
    border-radius: 0 8px 8px 0;
    color: #4A554F;
    font-style: normal;
  }
  .article-content img {
    border-radius: var(--radius);
    margin: 24px 0;
  }
  .article-content a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: rgba(168, 135, 78, 0.6);
  }
  .article-content ul,
  .article-content ol {
    padding-left: 24px;
    margin-bottom: 20px;
  }
  .article-content li { margin-bottom: 8px; }
  .article-content code,
  .article-content pre {
    font-family: 'SFMono-Regular', 'Roboto Mono', Menlo, monospace;
    font-size: 14px;
    background: #F7F5F0;
    border-radius: 4px;
  }
  .article-content code { padding: 2px 6px; }
  .article-content pre { padding: 18px; overflow-x: auto; }

  /* Article nav links */
  .article-nav-links {
    display: flex;
    gap: 24px;
    margin-top: 32px;
    font-size: 15px;
    color: var(--primary);
    flex-wrap: wrap;
  }
  .article-nav-links a { font-weight: 500; position: relative; }
  .article-nav-links a:hover { color: var(--accent); }

  /* Related */
  .section-title {
    font-family: 'Songti SC', 'SimSun', serif;
    font-size: 32px;
    font-weight: 700;
    color: #121917;
    margin-bottom: 28px;
    line-height: 1.3;
  }
  .related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  @media (max-width: 768px) {
    .related-grid { grid-template-columns: 1fr; }
  }
  .related-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
    transition: box-shadow 0.25s ease, border-color 0.25s ease;
    display: block;
  }
  .related-card:hover {
    box-shadow: var(--shadow-hover);
    border-color: var(--accent);
  }
  .related-thumb { overflow: hidden; aspect-ratio: 16 / 10; }
  .related-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
  .related-card:hover .related-thumb img { transform: scale(1.05); }
  .related-card h3 {
    font-size: 18px;
    font-weight: 600;
    line-height: 1.5;
    padding: 16px 16px 0;
    color: var(--text);
    margin: 0;
  }
  .related-date {
    display: block;
    font-family: 'SFMono-Regular', 'Roboto Mono', Menlo, monospace;
    font-size: 12px;
    color: var(--muted);
    padding: 8px 16px 16px;
  }

  /* Not found */
  .not-found {
    text-align: center;
    padding: 80px 20px;
    border: 1px dashed var(--line);
    border-radius: 12px;
    background: var(--surface);
  }
  .not-found h1 {
    font-family: 'Songti SC', 'SimSun', serif;
    font-size: 36px;
    color: var(--primary);
    margin-bottom: 16px;
  }
  .not-found p { color: var(--muted); margin-bottom: 24px; }

  /* CTA */
  .cta-block {
    position: relative;
    background: var(--primary);
    border-radius: 12px;
    padding: 64px 60px;
    text-align: center;
    overflow: hidden;
  }
  .cta-block::before {
    content: '';
    position: absolute;
    right: -40px;
    bottom: -40px;
    width: 260px;
    height: 260px;
    background: url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
    opacity: 0.14;
    border-radius: 50%;
    pointer-events: none;
  }
  .cta-watermark {
    position: absolute;
    right: 32px;
    bottom: 16px;
    font-family: 'SFMono-Regular', 'Roboto Mono', Menlo, monospace;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.28);
    letter-spacing: 0.2em;
    pointer-events: none;
  }
  .cta-label {
    color: var(--accent);
    font-size: 13px;
    letter-spacing: 0.15em;
    font-family: 'SFMono-Regular', 'Roboto Mono', Menlo, monospace;
    margin-bottom: 12px;
    text-transform: uppercase;
  }
  .cta-title {
    font-family: 'Songti SC', 'SimSun', serif;
    font-size: 38px;
    color: #FFFFFF;
    font-weight: 700;
    margin-bottom: 14px;
    line-height: 1.3;
  }
  .cta-desc { color: rgba(255, 255, 255, 0.75); font-size: 16px; margin-bottom: 28px; }
  .cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
  @media (max-width: 768px) {
    .cta-block { padding: 48px 24px; }
    .cta-title { font-size: 28px; }
    .cta-actions { flex-direction: column; align-items: center; }
  }

  /* Footer */
  .site-footer { background: var(--primary); margin-top: 0; }
  .site-footer .footer-brand {
    font-family: 'Songti SC', 'SimSun', serif;
    font-size: 22px;
    font-weight: 700;
    color: #FFFFFF;
    line-height: 1.3;
  }
  .footer-title {
    font-size: 14px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 14px;
  }
  .footer-link {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    line-height: 2.2;
    transition: color 0.25s ease;
    display: inline-block;
  }
  .footer-link:hover {
    color: #FFFFFF;
    text-decoration: underline;
    text-decoration-color: var(--accent);
    text-underline-offset: 4px;
  }
  .footer-copy {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding-top: 20px;
    margin-top: 32px;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
  }

  /* Reveal animation */
  .js .reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }
  .js .reveal.visible {
    opacity: 1;
    transform: translateY(0);
  }
  @media (prefers-reduced-motion: reduce) {
    .js .reveal {
      opacity: 1;
      transform: none;
      transition: none;
    }
    html { scroll-behavior: auto; }
  }

/* roulang page: category2 */
:root {
    --primary: #0E3B32;
    --primary-hover: #0A2D27;
    --accent: #A8874E;
    --accent-hover: #BFA06A;
    --bg: #F7F5F0;
    --surface: #FFFFFF;
    --text: #1E2623;
    --muted: #6B756F;
    --line: #E2DED5;
    --danger: #B33A2A;
    --radius: 8px;
    --shadow: 0 8px 24px rgba(14, 59, 50, 0.08);
  }

  *, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: -apple-system, 'PingFang SC', 'Noto Sans CJK SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
  }

  img {
    max-width: 100%;
    display: block;
  }

  a {
    color: inherit;
    text-decoration: none;
  }

  button, input {
    font-family: inherit;
    font-size: inherit;
  }

  a:focus-visible, button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
  }

  .container {
    max-width: 1180px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
  }

  /* ===== Header ===== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    transition: box-shadow 0.25s ease, border-color 0.25s ease;
  }

  .site-header.scrolled {
    box-shadow: 0 4px 16px rgba(14, 59, 50, 0.06);
  }

  .logo {
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: var(--accent);
    color: var(--surface);
    font-family: 'Songti SC', 'SimSun', serif;
    font-size: 17px;
    font-weight: 700;
    border-radius: 4px;
    flex-shrink: 0;
  }

  .logo-text {
    font-family: 'Songti SC', 'SimSun', 'Noto Serif CJK SC', serif;
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    white-space: nowrap;
  }

  .nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    padding: 6px 0;
    position: relative;
    transition: color 0.25s ease;
  }

  .nav-link:hover {
    color: var(--primary);
  }

  .nav-link.active {
    color: var(--primary);
  }

  .nav-link.active::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 100%;
    height: 2px;
    background: var(--accent);
    border-radius: 1px;
  }

  .btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: var(--primary);
    font-weight: 600;
    font-size: 15px;
    padding: 12px 28px;
    border-radius: 4px;
    border: 1px solid transparent;
    transition: background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
  }

  .btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(168, 135, 78, 0.25);
  }

  .btn-primary.btn-sm {
    padding: 8px 20px;
    font-size: 14px;
  }

  .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: var(--primary);
    font-weight: 600;
    font-size: 15px;
    padding: 12px 28px;
    border-radius: 4px;
    border: 1px solid var(--primary);
    transition: background 0.25s ease, color 0.25s ease, transform 0.25s ease;
  }

  .btn-secondary:hover {
    background: var(--primary);
    color: var(--surface);
    transform: translateY(-2px);
  }

  .btn-light {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: var(--surface);
    font-weight: 500;
    font-size: 15px;
    padding: 12px 28px;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.7);
    transition: background 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
  }

  .btn-light:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--surface);
    transform: translateY(-2px);
  }

  /* ===== Mobile Menu ===== */
  .mobile-menu {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: var(--surface);
    z-index: 100;
    padding: 72px 28px 28px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    visibility: hidden;
  }

  .mobile-menu.open {
    transform: translateX(0);
    visibility: visible;
  }

  .mobile-menu-close {
    position: absolute;
    top: 18px;
    right: 20px;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--text);
    background: transparent;
    border: none;
    cursor: pointer;
    border-radius: 4px;
  }

  .mobile-menu-close:hover {
    background: var(--bg);
  }

  .mobile-nav-link {
    display: block;
    font-size: 24px;
    font-weight: 600;
    color: var(--text);
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
    transition: color 0.25s ease;
  }

  .mobile-nav-link:hover,
  .mobile-nav-link.active {
    color: var(--accent);
  }

  .mobile-menu-bottom {
    margin-top: auto;
    padding-top: 32px;
  }

  /* ===== Breadcrumb ===== */
  .breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--muted);
    margin-bottom: 20px;
    font-family: 'SFMono-Regular', 'Roboto Mono', 'Menlo', monospace;
  }

  .breadcrumb a {
    color: var(--muted);
    transition: color 0.25s ease;
  }

  .breadcrumb a:hover {
    color: var(--accent);
  }

  /* ===== Cat Hero ===== */
  .cat-hero {
    position: relative;
    min-height: 280px;
    display: flex;
    align-items: center;
    background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
    border-bottom: 1px solid var(--line);
  }

  .cat-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(247, 245, 240, 0.96) 0%, rgba(247, 245, 240, 0.85) 45%, rgba(247, 245, 240, 0.55) 100%);
  }

  .cat-hero .container {
    position: relative;
    z-index: 2;
    padding-top: 48px;
    padding-bottom: 48px;
  }

  .cat-hero h1 {
    font-family: 'Songti SC', 'SimSun', 'Noto Serif CJK SC', serif;
    font-size: 40px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
    margin-bottom: 12px;
    letter-spacing: 1px;
  }

  .cat-hero .hero-sub {
    font-size: 14px;
    color: var(--muted);
    max-width: 480px;
    line-height: 1.7;
  }

  @media (max-width: 768px) {
    .cat-hero {
      min-height: 220px;
    }

    .cat-hero h1 {
      font-size: 30px;
    }
  }

  /* ===== Timeline ===== */
  .timeline {
    position: relative;
    padding-left: 56px;
  }

  .timeline::before {
    content: '';
    position: absolute;
    left: 18px;
    top: 10px;
    bottom: 10px;
    width: 1px;
    background: var(--line);
  }

  .timeline-item {
    position: relative;
    padding-bottom: 36px;
  }

  .timeline-item:last-child {
    padding-bottom: 0;
  }

  .timeline-item::before {
    content: '';
    position: absolute;
    left: -38px;
    top: 6px;
    width: 14px;
    height: 14px;
    border-radius: 999px;
    background: var(--accent);
    border: 3px solid var(--bg);
    box-shadow: 0 0 0 1px var(--accent);
  }

  .timeline-num {
    font-family: 'SFMono-Regular', 'Roboto Mono', 'Menlo', monospace;
    font-size: 12px;
    color: var(--accent);
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 4px;
  }

  .timeline-card h3 {
    font-family: 'Songti SC', 'SimSun', 'Noto Serif CJK SC', serif;
    font-size: 20px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
  }

  .timeline-card p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.7;
    max-width: 460px;
  }

  /* ===== Feature Card ===== */
  .feature-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 24px 22px;
    transition: box-shadow 0.25s ease, border-color 0.25s ease;
  }

  .feature-card:hover {
    box-shadow: 0 8px 24px rgba(14, 59, 50, 0.08);
    border-color: var(--accent);
  }

  .feature-card h3 {
    font-family: 'Songti SC', 'SimSun', 'Noto Serif CJK SC', serif;
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
  }

  .feature-card p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.7;
  }

  .feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 8px;
    background: rgba(168, 135, 78, 0.12);
    color: var(--accent);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
  }

  /* ===== Wide Image ===== */
  .wide-media {
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--line);
  }

  .wide-media img {
    width: 100%;
    height: auto;
    object-fit: cover;
    transition: transform 0.25s ease;
  }

  .wide-media:hover img {
    transform: scale(1.02);
  }

  .media-caption {
    font-size: 12px;
    color: var(--muted);
    text-align: center;
    padding: 12px 16px;
    border-top: 1px solid var(--line);
    background: var(--surface);
    font-family: 'SFMono-Regular', 'Roboto Mono', 'Menlo', monospace;
    letter-spacing: 0.5px;
  }

  /* ===== Section Heading ===== */
  .section-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--accent);
    text-transform: uppercase;
    margin-bottom: 10px;
    font-family: 'SFMono-Regular', 'Roboto Mono', 'Menlo', monospace;
  }

  .section-title {
    font-family: 'Songti SC', 'SimSun', 'Noto Serif CJK SC', serif;
    font-size: 32px;
    font-weight: 700;
    line-height: 1.25;
    color: var(--text);
    margin-bottom: 12px;
    letter-spacing: 0.5px;
  }

  .section-desc {
    font-size: 15px;
    color: var(--muted);
    line-height: 1.7;
  }

  @media (max-width: 768px) {
    .section-title {
      font-size: 26px;
    }
  }

  /* ===== FAQ ===== */
  .faq-item {
    border-bottom: 1px solid var(--line);
  }

  .faq-item:last-child {
    border-bottom: none;
  }

  .faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 20px 0;
    font-size: 16px;
    font-weight: 500;
    color: var(--text);
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: color 0.25s ease;
  }

  .faq-question:hover {
    color: var(--accent);
  }

  .faq-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--accent);
    transition: transform 0.3s ease;
    position: relative;
  }

  .faq-icon::before {
    content: '+';
  }

  .faq-item.active .faq-icon {
    transform: rotate(45deg);
  }

  .faq-answer {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.35s ease;
  }

  .faq-item.active .faq-answer {
    grid-template-rows: 1fr;
  }

  .faq-answer-inner {
    overflow: hidden;
  }

  .faq-answer p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.8;
    padding-bottom: 20px;
    padding-right: 32px;
  }

  /* ===== CTA ===== */
  .cta-block {
    position: relative;
    background: var(--primary);
    border-radius: 12px;
    padding: 72px 32px;
    text-align: center;
    overflow: hidden;
  }

  .cta-block::after {
    content: 'yl7703';
    position: absolute;
    right: 24px;
    bottom: 16px;
    font-family: 'SFMono-Regular', 'Roboto Mono', 'Menlo', monospace;
    font-size: 48px;
    color: rgba(255, 255, 255, 0.04);
    font-weight: 700;
    letter-spacing: 2px;
    pointer-events: none;
  }

  .cta-block::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 180px;
    height: 140px;
    background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
    opacity: 0.12;
    border-radius: 0;
    pointer-events: none;
  }

  .cta-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: 16px;
    font-family: 'SFMono-Regular', 'Roboto Mono', 'Menlo', monospace;
  }

  .cta-title {
    font-family: 'Songti SC', 'SimSun', 'Noto Serif CJK SC', serif;
    font-size: 38px;
    font-weight: 700;
    color: var(--surface);
    line-height: 1.3;
    margin-bottom: 16px;
    position: relative;
    z-index: 2;
  }

  .cta-desc {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.72);
    max-width: 520px;
    margin: 0 auto 32px;
    line-height: 1.7;
    position: relative;
    z-index: 2;
  }

  .cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
  }

  @media (max-width: 768px) {
    .cta-block {
      padding: 48px 20px;
    }

    .cta-title {
      font-size: 28px;
    }
  }

  /* ===== Footer ===== */
  .site-footer {
    background: var(--primary);
    border-top: 2px solid var(--accent);
    margin-top: auto;
  }

  .footer-brand {
    font-family: 'Songti SC', 'SimSun', 'Noto Serif CJK SC', serif;
    font-size: 22px;
    font-weight: 700;
    color: var(--surface);
  }

  .footer-title {
    font-size: 15px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 12px;
    font-family: 'Songti SC', 'SimSun', serif;
  }

  .footer-link {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.7);
    display: inline-block;
    padding: 4px 0;
    transition: color 0.25s ease, text-decoration 0.25s ease;
  }

  .footer-link:hover {
    color: var(--surface);
    text-decoration: underline;
    text-decoration-color: var(--accent);
    text-underline-offset: 4px;
  }

  .footer-copy {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    margin-top: 48px;
    font-family: 'SFMono-Regular', 'Roboto Mono', 'Menlo', monospace;
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
  }

  /* ===== Reveal ===== */
  .reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }

  .reveal.in-view {
    opacity: 1;
    transform: translateY(0);
  }

  /* ===== Section Spacing ===== */
  .section {
    padding: 96px 0;
  }

  @media (max-width: 768px) {
    .section {
      padding: 64px 0;
    }
  }

  /* ===== Responsive Adjust ===== */
  @media (max-width: 1024px) {
    .container {
      padding-left: 20px;
      padding-right: 20px;
    }

    .timeline {
      padding-left: 48px;
    }

    .timeline-item::before {
      left: -34px;
    }
  }

  @media (max-width: 640px) {
    .container {
      padding-left: 16px;
      padding-right: 16px;
    }

    .logo-text {
      font-size: 17px;
    }

    .timeline {
      padding-left: 44px;
    }

    .timeline-item::before {
      left: -32px;
      width: 12px;
      height: 12px;
    }
  }

/* roulang page: category3 */
:root {
            --primary: #0E3B32;
            --primary-hover: #0A2D27;
            --accent: #A8874E;
            --accent-hover: #BFA06A;
            --bg: #F7F5F0;
            --surface: #FFFFFF;
            --text: #1E2623;
            --muted: #6B756F;
            --line: #E2DED5;
            --danger: #B33A2A;
            --radius: 8px;
            --radius-btn: 4px;
            --shadow-card: 0 8px 24px rgba(14, 59, 50, 0.08);
            --container: 1180px;
            --transition: 0.25s ease;
        }

        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            background: var(--bg);
            color: var(--text);
            font-family: -apple-system, 'PingFang SC', 'Noto Sans CJK SC', 'Microsoft YaHei', sans-serif;
            font-size: 16px;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button {
            font-family: inherit;
        }
        h1,
        h2,
        h3,
        h4 {
            margin: 0;
            font-weight: 600;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 640px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 50;
            background: #fff;
            border-bottom: 1px solid var(--line);
            transition: box-shadow var(--transition), border-color var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(14, 59, 50, 0.06);
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .logo-mark {
            width: 32px;
            height: 32px;
            background: var(--accent);
            color: #fff;
            font-family: 'Songti SC', 'SimSun', serif;
            font-size: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 4px;
            line-height: 1;
        }
        .logo-text {
            font-family: 'Songti SC', 'SimSun', 'Noto Serif CJK SC', serif;
            font-size: 20px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.5px;
        }
        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            padding: 6px 0;
            position: relative;
            transition: color var(--transition);
        }
        .nav-link:hover {
            color: var(--accent);
        }
        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 2px;
            background: var(--accent);
        }

        /* ===== Buttons ===== */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            border: none;
            cursor: pointer;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(168, 135, 78, 0.25);
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            padding: 13px 27px;
            border-radius: var(--radius-btn);
            border: 1px solid var(--primary);
            cursor: pointer;
            transition: background var(--transition), color var(--transition), transform var(--transition);
        }
        .btn-secondary:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 13px 27px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(255, 255, 255, 0.6);
            cursor: pointer;
            transition: background var(--transition), border-color var(--transition);
        }
        .btn-light:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: #fff;
        }
        .btn-sm {
            padding: 9px 20px;
            font-size: 14px;
        }
        .btn-primary:focus-visible,
        .btn-secondary:focus-visible,
        .btn-light:focus-visible,
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== Mobile Drawer ===== */
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(14, 30, 25, 0.5);
            z-index: 60;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition);
        }
        .drawer-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: 0;
            bottom: 0;
            width: 100%;
            max-width: 380px;
            background: #fff;
            z-index: 70;
            transform: translateX(100%);
            transition: transform 0.3s ease;
            padding: 24px;
            display: flex;
            flex-direction: column;
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .drawer-close {
            position: absolute;
            top: 18px;
            right: 20px;
            font-size: 28px;
            line-height: 1;
            background: none;
            border: none;
            cursor: pointer;
            color: var(--text);
        }
        .drawer-link {
            font-size: 22px;
            font-family: 'Songti SC', 'SimSun', serif;
            color: var(--text);
            padding: 12px 0;
            border-bottom: 1px solid var(--line);
            display: block;
            transition: color var(--transition);
        }
        .drawer-link:hover {
            color: var(--accent);
        }
        .drawer-link.active {
            color: var(--primary);
            font-weight: 700;
        }

        /* ===== Card ===== */
        .card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            transition: box-shadow var(--transition), border-color var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-card);
            border-color: var(--accent);
        }
        .img-wrap {
            overflow: hidden;
            border-radius: var(--radius) var(--radius) 0 0;
        }
        .img-wrap img {
            transition: transform 0.5s ease;
        }
        .card:hover .img-wrap img {
            transform: scale(1.05);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: #fff;
        }
        .footer-brand {
            font-family: 'Songti SC', 'SimSun', serif;
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
        }
        .footer-title {
            font-size: 15px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 16px;
        }
        .footer-link {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition);
            position: relative;
            padding-bottom: 2px;
        }
        .footer-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            height: 1px;
            width: 0;
            background: var(--accent);
            transition: width var(--transition);
        }
        .footer-link:hover {
            color: #fff;
        }
        .footer-link:hover::after {
            width: 100%;
        }
        .footer-copy {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 24px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== Section ===== */
        .section {
            padding: 96px 0;
        }
        @media (max-width: 1024px) {
            .section {
                padding: 72px 0;
            }
        }
        @media (max-width: 640px) {
            .section {
                padding: 64px 0;
            }
        }
        .section-title {
            font-family: 'Songti SC', 'SimSun', 'Noto Serif CJK SC', serif;
            font-size: 36px;
            font-weight: 600;
            color: var(--text);
            letter-spacing: 0.5px;
            line-height: 1.3;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 28px;
            }
        }

        /* ===== Badge ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            background: rgba(14, 59, 50, 0.08);
            color: var(--primary);
        }

        /* ===== Category Hero ===== */
        .cate-hero {
            position: relative;
            padding: 128px 0 56px;
            min-height: 300px;
            background: linear-gradient(120deg, rgba(247, 245, 240, 0.92) 0%, rgba(247, 245, 240, 0.72) 100%);
        }
        .cate-hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
        }
        .cate-hero .container {
            position: relative;
            z-index: 1;
        }

        /* ===== Quote Bar ===== */
        .quote-bar {
            background: var(--primary);
            color: #fff;
            border-radius: 12px;
            padding: 40px 48px;
            font-family: 'Songti SC', 'SimSun', serif;
            font-size: 20px;
            line-height: 1.7;
            position: relative;
            overflow: hidden;
        }
        .quote-bar::after {
            content: 'yl7703';
            position: absolute;
            right: -10px;
            bottom: -18px;
            font-family: 'SFMono-Regular', 'Roboto Mono', Menlo, monospace;
            font-size: 64px;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.06);
            pointer-events: none;
            line-height: 1;
        }

        /* ===== Feature Card ===== */
        .feature-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 28px;
            transition: box-shadow var(--transition), border-color var(--transition);
        }
        .feature-card:hover {
            box-shadow: var(--shadow-card);
            border-color: var(--accent);
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background: rgba(168, 135, 78, 0.12);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 20px;
        }
        .feature-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: color var(--transition);
        }
        .feature-link .arrow {
            transition: transform var(--transition);
        }
        .feature-link:hover {
            color: var(--accent);
        }
        .feature-link:hover .arrow {
            transform: translateX(4px);
        }

        /* ===== Timeline ===== */
        .timeline {
            position: relative;
            padding-left: 24px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 6px;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background: var(--line);
        }
        .timeline-node {
            position: relative;
            padding-bottom: 40px;
        }
        .timeline-node:last-child {
            padding-bottom: 0;
        }
        .timeline-node::before {
            content: '';
            position: absolute;
            left: -24px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent);
            border: 3px solid #fff;
            box-shadow: 0 0 0 1px var(--accent);
        }

        /* ===== FAQ ===== */
        .faq-item {
            border-bottom: 1px solid var(--line);
        }
        .faq-toggle {
            width: 100%;
            background: none;
            border: none;
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            text-align: left;
            transition: color var(--transition);
        }
        .faq-toggle:hover {
            color: var(--accent);
        }
        .faq-icon {
            font-size: 22px;
            font-weight: 300;
            color: var(--accent);
            transition: transform var(--transition);
            flex-shrink: 0;
            margin-left: 16px;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            overflow: hidden;
            max-height: 0;
            transition: max-height 0.35s ease;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 20px;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            background: var(--primary);
            border-radius: 12px;
            position: relative;
            overflow: hidden;
        }
        .cta-section::after {
            content: 'yl7703';
            position: absolute;
            right: -20px;
            bottom: -30px;
            font-family: 'SFMono-Regular', 'Roboto Mono', Menlo, monospace;
            font-size: 120px;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.08);
            pointer-events: none;
            line-height: 1;
        }
        .cta-bg-img {
            position: absolute;
            left: 0;
            bottom: 0;
            width: 40%;
            height: 100%;
            object-fit: cover;
            opacity: 0.15;
            z-index: 0;
            pointer-events: none;
        }

        /* ===== Reveal ===== */
        .reveal {
            opacity: 0;
            transform: translateY(22px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }
        @media (prefers-reduced-motion: reduce) {
            .reveal {
                opacity: 1;
                transform: none;
                transition: none;
            }
        }

        /* ===== Misc ===== */
        .text-link {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            background-image: linear-gradient(transparent calc(100% - 1px), var(--accent) 1px);
            background-size: 0 100%;
            background-repeat: no-repeat;
            transition: background-size var(--transition), color var(--transition);
        }
        .text-link:hover {
            background-size: 100% 100%;
            color: var(--accent);
        }