/* roulang page: index */
:root {
  --c-primary: #2C2A26;
  --c-accent: #C77800;
  --c-accent-hover: #A86500;
  --c-accent-light: #FBF3E7;
  --c-bg: #FCFBF9;
  --c-surface: #F5F2EB;
  --c-border: #E8E4DC;
  --c-text: #3A3733;
  --c-muted: #6E685E;
  --c-weak: #9A948A;
  --c-success: #3E7A3E;
  --c-footer-bg: #2B2925;
  --c-footer-text: #E6E2D8;
  --c-drawer-shadow: rgba(35,30,20,0.5);
  --radius-btn: 8px;
  --radius-card: 10px;
  --radius-lg: 12px;
  --shadow-card: 0 4px 12px rgba(44,42,38,0.08);
  --shadow-hero: 0 8px 24px rgba(44,42,38,0.06);
  --font-sans: "PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-serif: "Noto Serif SC","Source Han Serif SC",serif;
}
* ,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; }
ul, ol { list-style: none; }
.container-site { max-width: 1200px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.section-pad { padding-top: 80px; padding-bottom: 80px; }
@media (max-width: 768px) { .section-pad { padding-top: 48px; padding-bottom: 48px; } }

/* === Sidebar === */
.sidebar {
  position: fixed; left: 0; top: 0; bottom: 0; width: 240px;
  background: #FAFAF7; border-right: 1px solid var(--c-border);
  display: flex; flex-direction: column; z-index: 100;
}
.sidebar-logo {
  height: 72px; display: flex; align-items: center; padding: 0 24px;
  border-bottom: 1px solid var(--c-border); flex-shrink: 0;
}
.logo-mark {
  width: 34px; height: 34px; border-radius: 8px; background: var(--c-accent);
  color: #fff; font-size: 18px; font-weight: 700; display: flex; align-items: center; justify-content: center;
  margin-right: 10px; flex-shrink: 0;
}
.logo-text { font-size: 16px; font-weight: 700; color: var(--c-primary); white-space: nowrap; letter-spacing: 0.5px; }
.sidebar-nav { flex: 1; padding: 16px 12px; display: flex; flex-direction: column; gap: 2px; overflow-y: auto; }
.nav-item {
  height: 44px; border-radius: 10px; padding: 0 16px; display: flex; align-items: center;
  font-size: 15px; font-weight: 600; color: var(--c-text); transition: all 0.2s ease; position: relative;
}
.nav-item:hover { background: #F0EDE5; color: var(--c-primary); }
.nav-item.active { background: var(--c-primary); color: #fff; }
.nav-item.active::before {
  content: ''; position: absolute; left: 0; top: 12px; bottom: 12px; width: 4px;
  border-radius: 0 4px 4px 0; background: var(--c-accent);
}
.nav-item .nav-icon { margin-right: 10px; width: 18px; height: 18px; flex-shrink: 0; opacity: 0.7; }
.nav-item.active .nav-icon { opacity: 1; }
.sidebar-brand {
  margin: 0 12px 16px; padding: 12px 16px; background: var(--c-accent-light);
  border-radius: 10px; font-size: 13px; color: #9A6A1F; font-weight: 600; line-height: 1.6;
}
.sidebar-copy { padding: 12px 24px; border-top: 1px solid var(--c-border); font-size: 12px; color: var(--c-weak); text-align: center; }

/* === Mobile Header === */
.mobile-header {
  display: none; position: fixed; top: 0; left: 0; right: 0; height: 64px;
  background: #fff; border-bottom: 1px solid var(--c-border); z-index: 100;
  align-items: center; justify-content: space-between; padding: 0 20px;
}
.mobile-logo { display: flex; align-items: center; font-size: 16px; font-weight: 700; color: var(--c-primary); }
.mobile-logo .logo-mark { width: 30px; height: 30px; font-size: 16px; }
.menu-toggle { width: 40px; height: 40px; border: none; background: transparent; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 5px; border-radius: 8px; }
.menu-toggle span { display: block; width: 20px; height: 2px; background: var(--c-primary); border-radius: 2px; transition: all 0.3s ease; }
.menu-toggle:hover { background: var(--c-surface); }
.drawer-overlay { position: fixed; inset: 0; background: var(--c-drawer-shadow); z-index: 110; opacity: 0; visibility: hidden; transition: all 0.3s ease; }
.drawer-overlay.open { opacity: 1; visibility: visible; }
.drawer {
  position: fixed; left: 0; top: 0; bottom: 0; width: 320px; background: #FAFAF7; z-index: 120;
  transform: translateX(-100%); transition: transform 0.3s ease; display: flex; flex-direction: column;
}
.drawer.open { transform: translateX(0); }
.drawer-header { height: 64px; display: flex; align-items: center; justify-content: space-between; padding: 0 20px; border-bottom: 1px solid var(--c-border); }
.drawer-close { width: 36px; height: 36px; border: none; background: var(--c-surface); border-radius: 8px; font-size: 18px; color: var(--c-text); display: flex; align-items: center; justify-content: center; }
.drawer-close:hover { background: #E8E4DC; }
.drawer .sidebar-nav { flex: 1; padding: 20px 16px; }
.drawer .sidebar-brand { margin: 0 16px 16px; }
.drawer .sidebar-copy { border-top: 1px solid var(--c-border); padding: 12px 20px; }

/* === Main === */
.main-content { margin-left: 240px; min-height: 100vh; background: var(--c-bg); }
@media (max-width: 1023px) { .sidebar { display: none; } .main-content { margin-left: 0; } .mobile-header { display: flex; } .main-content { padding-top: 64px; } }

/* === Hero === */
.hero {
  padding: 80px 0; display: grid; grid-template-columns: 1.5fr 1fr; gap: 48px; align-items: center;
}
.hero h1 { font-family: var(--font-serif); font-size: 42px; font-weight: 700; line-height: 1.3; color: var(--c-primary); margin-bottom: 16px; }
.hero h1 .highlight { position: relative; display: inline-block; }
.hero h1 .highlight::after { content: ''; position: absolute; left: 0; right: 0; bottom: 4px; height: 10px; background: rgba(199,120,0,0.2); border-radius: 4px; z-index: -1; }
.hero-sub { font-size: 18px; color: var(--c-muted); line-height: 1.8; margin-bottom: 32px; max-width: 480px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-image { border-radius: 12px; overflow: hidden; box-shadow: var(--shadow-hero); background: var(--c-surface); }
.hero-image img { width: 100%; height: 320px; object-fit: cover; }
@media (max-width: 768px) {
  .hero { grid-template-columns: 1fr; gap: 24px; padding: 48px 0; }
  .hero h1 { font-size: 28px; }
  .hero-sub { font-size: 16px; }
  .hero-image img { height: 200px; }
}

/* === Buttons === */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center; background: var(--c-accent);
  color: #fff; font-size: 16px; font-weight: 600; padding: 12px 24px; border-radius: var(--radius-btn);
  border: none; transition: all 0.25s ease; text-align: center;
}
.btn-primary:hover { background: var(--c-accent-hover); box-shadow: inset 0 0 0 2px rgba(255,255,255,0.1); }
.btn-primary:active { background: #8F5400; transform: translateY(1px); }
.btn-primary:focus { outline: 2px solid rgba(199,120,0,0.4); outline-offset: 2px; }
.btn-ghost {
  display: inline-flex; align-items: center; justify-content: center; background: transparent;
  color: var(--c-accent); font-size: 16px; font-weight: 600; padding: 12px 24px; border-radius: var(--radius-btn);
  border: 1px solid var(--c-accent); transition: all 0.25s ease;
}
.btn-ghost:hover { background: var(--c-accent-light); }
.btn-ghost:active { transform: translateY(1px); }
.btn-white {
  display: inline-flex; align-items: center; justify-content: center; background: #fff;
  color: var(--c-primary); font-size: 16px; font-weight: 700; padding: 12px 32px; border-radius: var(--radius-btn);
  border: none; transition: all 0.25s ease;
}
.btn-white:hover { background: #F5F2EB; }
@media (max-width: 768px) { .btn-primary, .btn-ghost { width: 100%; min-height: 44px; } }

/* === Stats === */
.stats-bar {
  background: var(--c-surface); border-radius: 12px; padding: 32px 24px;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin: 24px 0;
}
.stat-item { text-align: center; }
.stat-number { font-size: 32px; font-weight: 700; color: var(--c-primary); display: block; line-height: 1.2; font-family: var(--font-serif); }
.stat-label { font-size: 14px; color: var(--c-muted); margin-top: 4px; display: block; }
@media (max-width: 768px) {
  .stats-bar { grid-template-columns: 2fr 2fr; gap: 16px; padding: 24px 16px; }
  .stat-number { font-size: 24px; }
}

/* === Section Titles === */
.section-title { font-family: var(--font-serif); font-size: 30px; font-weight: 700; color: var(--c-primary); margin-bottom: 8px; line-height: 1.3; }
.section-desc { font-size: 16px; color: var(--c-muted); margin-bottom: 32px; max-width: 600px; }
.section-header { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 40px; gap: 24px; flex-wrap: wrap; }
.section-header .section-title { margin-bottom: 0; }
.section-link { color: var(--c-accent); font-weight: 600; font-size: 15px; display: inline-flex; align-items: center; gap: 4px; transition: all 0.2s ease; }
.section-link:hover { color: var(--c-accent-hover); gap: 8px; }
@media (max-width: 768px) { .section-title { font-size: 24px; } }

/* === Cards === */
.card {
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius-card);
  padding: 24px; transition: all 0.3s ease;
}
.card:hover { box-shadow: var(--shadow-card); transform: translateY(-2px); }
.card-icon { width: 48px; height: 48px; border-radius: 10px; background: var(--c-accent-light); display: flex; align-items: center; justify-content: center; margin-bottom: 16px; }
.card-title { font-size: 18px; font-weight: 600; color: var(--c-primary); margin-bottom: 8px; }
.card-text { font-size: 14px; color: var(--c-muted); line-height: 1.7; }
.card-link { color: var(--c-accent); font-weight: 600; font-size: 14px; display: inline-flex; align-items: center; gap: 4px; margin-top: 12px; transition: all 0.2s ease; }
.card-link:hover { gap: 8px; color: var(--c-accent-hover); }

/* === Benefits === */
.benefits-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.benefit-list { display: flex; flex-direction: column; gap: 20px; }
.benefit-item { display: flex; gap: 16px; align-items: flex-start; }
.benefit-icon { width: 28px; height: 28px; border-radius: 8px; background: var(--c-accent-light); display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 4px; }
.benefit-item h4 { font-size: 17px; font-weight: 600; color: var(--c-primary); margin-bottom: 4px; }
.benefit-item p { font-size: 14px; color: var(--c-muted); line-height: 1.6; }
.benefit-image { border-radius: 12px; overflow: hidden; box-shadow: var(--shadow-hero); background: var(--c-surface); }
.benefit-image img { width: 100%; height: 380px; object-fit: cover; }
@media (max-width: 768px) {
  .benefits-grid { grid-template-columns: 1fr; gap: 24px; }
  .benefit-image img { height: 220px; }
}

/* === Compare Table === */
.compare-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--c-border); }
.compare-table { width: 100%; min-width: 640px; border-collapse: collapse; background: #fff; }
.compare-table thead th { background: var(--c-surface); font-size: 13px; font-weight: 600; color: var(--c-text); padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--c-border); }
.compare-table thead th.member-col { background: var(--c-accent-light); }
.compare-table tbody td { padding: 12px 16px; font-size: 14px; color: var(--c-text); border-bottom: 1px solid #F0EDE5; }
.compare-table tbody td.member-col { background: #FDF6EC; }
.compare-table .check { color: var(--c-success); font-weight: 700; }
.compare-table .cross { color: #A0A098; font-weight: 700; }
.compare-table .badge-member { display: inline-block; background: var(--c-accent); color: #fff; font-size: 12px; font-weight: 700; padding: 2px 10px; border-radius: 6px; margin-bottom: 4px; }
.compare-note { font-size: 13px; color: var(--c-weak); margin-bottom: 8px; }

/* === Premium Cards === */
.premium-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.premium-card { background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius-card); overflow: hidden; transition: all 0.3s ease; }
.premium-card:hover { box-shadow: var(--shadow-card); transform: translateY(-3px); }
.premium-card .premium-img { position: relative; }
.premium-card .premium-img img { width: 100%; height: 160px; object-fit: cover; }
.premium-card .badge-premium { position: absolute; top: 12px; right: 12px; background: var(--c-accent); color: #fff; font-size: 12px; font-weight: 700; padding: 4px 10px; border-radius: 6px; }
.premium-card .premium-body { padding: 20px; }
.premium-card .premium-body h4 { font-size: 17px; font-weight: 600; color: var(--c-primary); margin-bottom: 8px; }
.premium-card .premium-body p { font-size: 14px; color: var(--c-muted); line-height: 1.6; margin-bottom: 12px; }
.premium-card .premium-link { color: var(--c-accent); font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; gap: 4px; transition: all 0.2s ease; }
.premium-card .premium-link:hover { gap: 8px; }
@media (max-width: 768px) { .premium-grid { grid-template-columns: 1fr; } }

/* === Update List === */
.update-list { display: flex; flex-direction: column; gap: 12px; }
.update-item {
  background: #fff; border: 1px solid var(--c-border); border-radius: var(--radius-card);
  padding: 20px; display: grid; grid-template-columns: 100px 1fr 160px; gap: 16px; align-items: center;
  transition: all 0.25s ease;
}
.update-item:hover { box-shadow: var(--shadow-card); border-color: #D8D3C8; }
.update-cat {
  display: inline-flex; background: var(--c-accent-light); color: var(--c-accent); font-size: 12px;
  font-weight: 700; padding: 4px 12px; border-radius: 6px; width: fit-content;
}
.update-main { display: flex; flex-direction: column; gap: 4px; }
.update-title { font-size: 17px; font-weight: 600; color: var(--c-primary); line-height: 1.4; transition: color 0.2s ease; }
.update-title:hover { color: var(--c-accent); }
.update-summary { font-size: 14px; color: var(--c-muted); line-height: 1.6; }
.update-meta { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--c-weak); }
.update-link { color: var(--c-accent); font-size: 14px; font-weight: 600; white-space: nowrap; transition: all 0.2s ease; }
.update-link:hover { gap: 8px; color: var(--c-accent-hover); }
.update-empty { background: #fff; border: 1px dashed var(--c-border); border-radius: var(--radius-card); padding: 40px; text-align: center; color: var(--c-weak); font-size: 15px; }
@media (max-width: 768px) {
  .update-item { grid-template-columns: 1fr; gap: 8px; }
  .update-meta { justify-content: space-between; }
}

/* === FAQ === */
.faq-wrap { border: 1px solid var(--c-border); border-radius: var(--radius-lg); background: #fff; overflow: hidden; }
.faq-item { border-bottom: 1px solid #F0EDE5; }
.faq-item:last-child { border-bottom: none; }
.faq-question { width: 100%; display: flex; justify-content: space-between; align-items: center; padding: 18px 24px; background: transparent; border: none; font-size: 15px; font-weight: 600; color: var(--c-text); text-align: left; transition: background 0.2s ease; }
.faq-question:hover { background: var(--c-surface); }
.faq-question .faq-arrow { display: flex; align-items: center; justify-content: center; width: 24px; height: 24px; font-size: 18px; color: var(--c-accent); transition: transform 0.3s ease; flex-shrink: 0; }
.faq-item.open .faq-question .faq-arrow { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-answer .faq-inner { padding: 0 24px 18px; font-size: 14px; color: var(--c-muted); line-height: 1.8; }
.faq-item.open .faq-answer { max-height: 400px; }
.faq-item.open .faq-question { color: var(--c-accent); }

/* === CTA === */
.cta-section {
  background: linear-gradient(135deg, #B86A00 0%, #9A5A10 100%);
  border-radius: var(--radius-lg); padding: 56px 48px; text-align: center; position: relative; overflow: hidden;
}
.cta-section::before { content: ''; position: absolute; top: -40px; right: -40px; width: 200px; height: 200px; border-radius: 50%; background: rgba(255,255,255,0.05); }
.cta-section::after { content: ''; position: absolute; bottom: -20px; left: 20px; width: 120px; height: 120px; border-radius: 50%; background: rgba(255,255,255,0.04); }
.cta-section h2 { font-family: var(--font-serif); font-size: 28px; color: #fff; margin-bottom: 12px; position: relative; z-index: 1; }
.cta-section p { color: rgba(255,255,255,0.85); font-size: 16px; margin-bottom: 28px; position: relative; z-index: 1; }
@media (max-width: 768px) { .cta-section { padding: 40px 24px; } .cta-section h2 { font-size: 22px; } }

/* === Footer === */
.site-footer { background: var(--c-footer-bg); color: var(--c-footer-text); padding: 48px 24px 24px; margin-left: 240px; }
.footer-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; padding-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-brand .logo-text { color: #fff; }
.footer-brand .logo-mark { margin-bottom: 0; }
.footer-brand p { font-size: 14px; color: rgba(230,226,216,0.7); margin-top: 12px; line-height: 1.6; }
.footer-col h4 { font-size: 14px; font-weight: 600; color: #fff; margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col ul a { color: rgba(230,226,216,0.65); font-size: 14px; transition: color 0.2s ease; }
.footer-col ul a:hover { color: var(--c-footer-link-hover); }
.footer-col p { font-size: 14px; color: rgba(230,226,216,0.65); line-height: 1.6; }
.footer-bottom { max-width: 1200px; margin: 0 auto; padding-top: 24px; text-align: center; font-size: 13px; color: rgba(230,226,216,0.5); }
.footer-bottom a { color: rgba(230,226,216,0.7); }
.footer-bottom a:hover { color: var(--c-footer-link-hover); }
@media (max-width: 1023px) { .site-footer { margin-left: 0; } }
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .site-footer { padding: 32px 20px 16px; }
}

/* === Utility === */
.pill-group { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 32px; }
.pill {
  display: inline-flex; align-items: center; padding: 8px 20px; border-radius: 24px;
  font-size: 14px; font-weight: 600; border: 1px solid var(--c-border); background: #fff;
  color: var(--c-text); transition: all 0.2s ease;
}
.pill:hover { border-color: var(--c-accent); color: var(--c-accent); }
.pill.active { background: var(--c-accent); color: #fff; border-color: var(--c-accent); }
.divider { border: none; border-top: 1px solid var(--c-border); margin: 16px 0; }
.text-accent { color: var(--c-accent); }
.text-muted { color: var(--c-muted); }
.text-weak { color: var(--c-weak); }
.font-serif { font-family: var(--font-serif); }

/* Focus visible */
a:focus-visible, button:focus-visible { outline: 2px solid rgba(199,120,0,0.5); outline-offset: 2px; border-radius: 4px; }

/* roulang page: article */
:root {
    --c-primary: #2C2A26;
    --c-accent: #C77800;
    --c-accent-hover: #A86500;
    --c-accent-dark: #8F5400;
    --c-accent-light: #FBF3E7;
    --c-bg: #FCFBF9;
    --c-sidebar-bg: #FAFAF7;
    --c-surface: #F5F2EB;
    --c-border: #E8E4DC;
    --c-text: #3A3733;
    --c-muted: #6E685E;
    --c-faint: #9A948A;
    --c-footer-bg: #2B2925;
    --c-footer-text: #E6E2D8;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --shadow-card: 0 1px 3px rgba(44,42,38,0.04);
    --shadow-hover: 0 4px 12px rgba(44,42,38,0.08);
}

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

html {
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    background-color: var(--c-bg);
    color: var(--c-text);
    font-size: 16px;
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
}

h1, h2, h3, h4, h5, h6 {
    font-family: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
    line-height: 1.35;
    font-weight: 700;
}

/* 侧边栏 */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 240px;
    background: var(--c-sidebar-bg);
    border-right: 1px solid var(--c-border);
    display: flex;
    flex-direction: column;
    z-index: 100;
}

.sidebar-brand {
    height: 72px;
    padding: 0 24px;
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo-mark {
    width: 36px;
    height: 36px;
    background: var(--c-accent);
    color: #fff;
    border-radius: var(--radius-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
    font-family: "Noto Serif SC", serif;
    line-height: 1;
    flex-shrink: 0;
}

.logo-text {
    font-size: 17px;
    font-weight: 600;
    color: var(--c-primary);
    font-family: "Noto Serif SC", "Source Han Serif SC", serif;
    white-space: nowrap;
}

.sidebar-nav {
    padding: 8px 12px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    height: 44px;
    padding: 0 16px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 500;
    color: var(--c-text);
    position: relative;
    transition: background-color 0.2s, color 0.2s;
    flex-shrink: 0;
}

.nav-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.nav-item:hover {
    background: #F0EDE5;
}

.nav-item.active {
    background: var(--c-primary);
    color: #fff;
}

.nav-item.active::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 20px;
    border-radius: 0 3px 3px 0;
    background: var(--c-accent);
}

.sidebar-keyword {
    margin: 12px;
    padding: 12px 16px;
    background: var(--c-accent-light);
    border-radius: var(--radius-md);
    font-size: 13px;
    color: #9A6A1F;
    text-align: center;
    line-height: 1.5;
    font-weight: 500;
    flex-shrink: 0;
}

.sidebar-copyright {
    padding: 16px 24px;
    font-size: 12px;
    color: var(--c-faint);
    border-top: 1px solid var(--c-border);
    flex-shrink: 0;
}

/* 移动端顶部 */
.mobile-header {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: #fff;
    border-bottom: 1px solid var(--c-border);
    z-index: 120;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
}

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

.mobile-menu-btn {
    width: 42px;
    height: 42px;
    border: none;
    background: transparent;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    transition: background 0.2s;
}

.mobile-menu-btn:hover {
    background: var(--c-surface);
}

.mobile-menu-btn span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--c-primary);
    border-radius: 2px;
}

.mobile-drawer {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    width: 320px;
    background: var(--c-sidebar-bg);
    z-index: 220;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
    padding: 20px 0 0;
}

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

.mobile-drawer .sidebar-nav {
    padding-top: 16px;
}

.mobile-drawer .sidebar-keyword {
    margin-top: 16px;
}

.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(35, 30, 20, 0.5);
    z-index: 200;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
}

.mobile-overlay.show {
    opacity: 1;
    pointer-events: auto;
}

/* 主内容 */
.main-content {
    margin-left: 240px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--c-bg);
}

.page-container {
    flex: 1;
    max-width: 960px;
    width: 100%;
    margin: 0 auto;
    padding: 48px 24px 32px;
}

/* 面包屑 */
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: #8A8579;
    margin-bottom: 28px;
}

.breadcrumb a {
    color: #8A8579;
    transition: color 0.2s;
}

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

.breadcrumb-sep {
    color: #C8C2B7;
    font-size: 12px;
}

.breadcrumb-current {
    color: var(--c-text);
    font-weight: 500;
}

/* 文章头部 */
.article-header {
    padding: 36px 36px 28px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, #F5F2EB 0%, #FBF3E7 100%);
    border: 1px solid var(--c-border);
    margin-bottom: 36px;
}

.article-title {
    font-size: 28px;
    line-height: 1.45;
    font-weight: 700;
    color: var(--c-primary);
    margin-bottom: 16px;
    letter-spacing: 0.01em;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px 24px;
    font-size: 13px;
    color: var(--c-muted);
}

.article-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.article-meta .meta-dot {
    width: 3px;
    height: 3px;
    border-radius: 50%;
    background: var(--c-border);
}

/* 文章正文 */
.article-body {
    max-width: 760px;
    margin: 0 auto;
    font-size: 16px;
    line-height: 2.0;
    color: var(--c-text);
    word-wrap: break-word;
}

.article-body p {
    margin: 18px 0;
}

.article-body h2 {
    font-size: 24px;
    margin: 36px 0 16px;
    padding-left: 14px;
    border-left: 4px solid var(--c-accent);
    color: var(--c-primary);
    font-weight: 700;
    line-height: 1.4;
}

.article-body h3 {
    font-size: 20px;
    margin: 28px 0 12px;
    color: var(--c-primary);
    font-weight: 600;
}

.article-body h4 {
    font-size: 17px;
    margin: 20px 0 8px;
    color: var(--c-primary);
    font-weight: 600;
}

.article-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin: 24px 0;
}

.article-body a {
    color: #B86A00;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s;
}

.article-body a:hover {
    border-bottom-color: #B86A00;
}

.article-body blockquote {
    border-left: 4px solid var(--c-accent);
    background: var(--c-surface);
    padding: 18px 22px;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: 24px 0;
    color: var(--c-muted);
    font-size: 15px;
}

.article-body ul,
.article-body ol {
    padding-left: 22px;
    margin: 16px 0;
}

.article-body li {
    margin-bottom: 8px;
}

.article-body li::marker {
    color: var(--c-accent);
}

.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 14px;
}

.article-body th,
.article-body td {
    border: 1px solid var(--c-border);
    padding: 12px 14px;
    text-align: left;
}

.article-body th {
    background: var(--c-surface);
    font-weight: 600;
}

.article-body hr {
    border: none;
    border-top: 1px solid var(--c-border);
    margin: 32px 0;
}

.article-body code {
    background: var(--c-surface);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 14px;
    font-family: "SFMono-Regular", Consolas, monospace;
}

.article-body pre {
    background: var(--c-primary);
    color: #f0ece2;
    padding: 18px 20px;
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: 24px 0;
    font-size: 14px;
    line-height: 1.7;
}

.article-body pre code {
    background: transparent;
    color: inherit;
    padding: 0;
}

/* 相关阅读 */
.related-posts {
    max-width: 760px;
    margin: 56px auto 0;
    padding-top: 36px;
    border-top: 1px solid var(--c-border);
}

.related-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--c-primary);
    position: relative;
    padding-left: 14px;
}

.related-title::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 20px;
    background: var(--c-accent);
    border-radius: 2px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.related-card {
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: block;
    transition: box-shadow 0.2s, transform 0.2s;
}

.related-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-2px);
}

.related-card img {
    width: 100%;
    height: 110px;
    object-fit: cover;
    display: block;
}

.related-card-body {
    padding: 14px 16px 16px;
}

.related-card-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--c-text);
    line-height: 1.5;
    margin-bottom: 8px;
    font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    transition: color 0.2s;
}

.related-card:hover .related-card-title {
    color: var(--c-accent);
}

.related-card-date {
    font-size: 12px;
    color: var(--c-faint);
}

/* 返回链接 */
.back-links {
    max-width: 760px;
    margin: 36px auto 0;
    display: flex;
    gap: 28px;
    font-size: 14px;
}

.back-links a {
    color: var(--c-accent);
    font-weight: 500;
    transition: color 0.2s;
}

.back-links a:hover {
    color: var(--c-accent-hover);
    text-decoration: underline;
}

/* 内容未找到 */
.not-found {
    max-width: 600px;
    margin: 80px auto;
    text-align: center;
    padding: 56px 40px;
    background: #fff;
    border: 1px solid var(--c-border);
    border-radius: var(--radius-lg);
}

.not-found h2 {
    font-size: 24px;
    color: var(--c-primary);
    margin-bottom: 12px;
}

.not-found p {
    color: var(--c-muted);
    margin-bottom: 28px;
    font-size: 15px;
}

/* 按钮 */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--c-accent);
    color: #fff;
    font-weight: 600;
    font-size: 15px;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    border: none;
    text-decoration: none;
    transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
}

.btn-primary:hover {
    background: var(--c-accent-hover);
    box-shadow: 0 4px 12px rgba(199, 120, 0, 0.2);
}

.btn-primary:active {
    background: var(--c-accent-dark);
    transform: translateY(1px);
}

.btn-primary:focus-visible {
    outline: 2px solid rgba(199, 120, 0, 0.4);
    outline-offset: 2px;
}

/* 页脚 */
.site-footer {
    background: var(--c-footer-bg);
    color: var(--c-footer-text);
    padding: 48px 24px 24px;
    flex-shrink: 0;
}

.footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
}

.footer-brand .logo-text {
    color: #fff;
}

.footer-brand p {
    font-size: 14px;
    color: rgba(230, 226, 216, 0.7);
    margin-top: 14px;
    line-height: 1.7;
}

.footer-col h4 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #fff;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 10px;
}

.footer-col a {
    color: rgba(230, 226, 216, 0.7);
    font-size: 14px;
    transition: color 0.2s;
}

.footer-col a:hover {
    color: #E3A04B;
}

.footer-col p {
    font-size: 14px;
    color: rgba(230, 226, 216, 0.7);
    line-height: 1.7;
}

.footer-bottom {
    max-width: 1200px;
    margin: 36px auto 0;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 13px;
    color: rgba(230, 226, 216, 0.5);
    text-align: center;
}

/* 响应式 */
@media (max-width: 1024px) {
    .sidebar {
        display: none;
    }
    .mobile-header {
        display: flex;
    }
    .main-content {
        margin-left: 0;
        padding-top: 64px;
    }
    .page-container {
        padding: 32px 20px 24px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .footer-bottom {
        text-align: center;
    }
    .article-header {
        padding: 28px 24px 24px;
    }
    .article-title {
        font-size: 24px;
    }
}

@media (min-width: 641px) and (max-width: 1024px) {
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .page-container {
        padding: 24px 16px;
    }
    .related-grid {
        grid-template-columns: 1fr;
    }
    .article-title {
        font-size: 22px;
    }
    .article-meta {
        flex-direction: column;
        gap: 8px;
    }
    .article-body {
        font-size: 15px;
        line-height: 1.9;
    }
    .article-body h2 {
        font-size: 20px;
    }
    .article-body h3 {
        font-size: 18px;
    }
    .back-links {
        flex-direction: column;
        gap: 12px;
    }
    .not-found {
        margin: 48px auto;
        padding: 36px 24px;
    }
    .footer-grid {
        gap: 24px;
    }
}

/* roulang page: category1 */
:root {
      --c-primary: #2C2A26;
      --c-accent: #C77800;
      --c-accent-dark: #A86500;
      --c-accent-light: #FBF3E7;
      --c-bg: #FCFBF9;
      --c-surface: #F5F2EB;
      --c-border: #E8E4DC;
      --c-text: #3A3733;
      --c-muted: #6E685E;
      --c-faint: #9A948A;
      --c-success: #3E7A3E;
      --radius-lg: 12px;
      --radius-md: 10px;
      --radius-sm: 8px;
      --shadow-card: 0 4px 12px rgba(44, 42, 38, 0.08);
    }

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

    html {
      font-size: 16px;
      scroll-behavior: smooth;
    }

    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
      background: var(--c-bg);
      color: var(--c-text);
      line-height: 1.7;
      -webkit-font-smoothing: antialiased;
    }

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

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

    button {
      font-family: inherit;
      cursor: pointer;
    }

    ul {
      list-style: none;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding-left: 24px;
      padding-right: 24px;
    }

    /* ===== Sidebar ===== */
    .sidebar {
      position: fixed;
      left: 0;
      top: 0;
      width: 240px;
      height: 100vh;
      background: #FAFAF7;
      border-right: 1px solid var(--c-border);
      display: flex;
      flex-direction: column;
      z-index: 40;
    }

    .sidebar-logo {
      height: 72px;
      padding: 0 24px;
      display: flex;
      align-items: center;
      gap: 10px;
      border-bottom: 1px solid var(--c-border);
      flex-shrink: 0;
    }

    .logo-mark {
      width: 32px;
      height: 32px;
      border-radius: 8px;
      background: var(--c-accent);
      color: #fff;
      font-weight: 700;
      font-size: 18px;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }

    .logo-text {
      font-size: 16px;
      font-weight: 700;
      color: var(--c-primary);
      white-space: nowrap;
    }

    .sidebar-nav {
      padding: 16px 12px;
      flex: 1;
      display: flex;
      flex-direction: column;
      gap: 4px;
      overflow-y: auto;
    }

    .nav-item {
      display: flex;
      align-items: center;
      gap: 10px;
      height: 44px;
      padding: 0 16px;
      border-radius: 10px;
      font-size: 15px;
      font-weight: 600;
      color: var(--c-text);
      transition: background 0.2s, color 0.2s;
      position: relative;
      flex-shrink: 0;
    }

    .nav-item:hover {
      background: #F0EDE5;
    }

    .nav-item.active {
      background: var(--c-primary);
      color: #fff;
    }

    .nav-item.active::before {
      content: "";
      position: absolute;
      left: 0;
      top: 10px;
      bottom: 10px;
      width: 4px;
      border-radius: 0 4px 4px 0;
      background: var(--c-accent);
    }

    .nav-icon {
      width: 18px;
      height: 18px;
      flex-shrink: 0;
    }

    .sidebar-keyword {
      margin: 0 16px 16px;
      padding: 12px 16px;
      background: var(--c-accent-light);
      border-radius: 10px;
      color: #9A6A1F;
      font-size: 13px;
      font-weight: 600;
      text-align: center;
      flex-shrink: 0;
    }

    .sidebar-copyright {
      padding: 16px 24px;
      font-size: 12px;
      color: var(--c-faint);
      border-top: 1px solid var(--c-border);
      flex-shrink: 0;
    }

    /* ===== Main Wrapper ===== */
    .main-wrapper {
      margin-left: 240px;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      background: var(--c-bg);
    }

    .main-wrapper main {
      flex: 1;
    }

    /* ===== Mobile Header ===== */
    .mobile-header {
      display: none;
    }

    .mobile-drawer {
      display: none;
    }

    .drawer-overlay {
      display: none;
    }

    /* ===== Buttons ===== */
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--c-accent);
      color: #fff;
      font-weight: 600;
      font-size: 15px;
      padding: 12px 28px;
      border-radius: 8px;
      border: none;
      cursor: pointer;
      transition: background 0.2s, transform 0.1s, box-shadow 0.2s;
      min-height: 44px;
    }

    .btn-primary:hover {
      background: var(--c-accent-dark);
      box-shadow: 0 4px 12px rgba(199, 120, 0, 0.2);
    }

    .btn-primary:active {
      background: #8F5400;
      transform: translateY(1px);
    }

    .btn-primary:focus {
      outline: 2px solid rgba(199, 120, 0, 0.4);
      outline-offset: 2px;
    }

    .btn-ghost {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: transparent;
      color: var(--c-accent);
      font-weight: 600;
      font-size: 15px;
      padding: 12px 28px;
      border-radius: 8px;
      border: 1px solid var(--c-accent);
      cursor: pointer;
      transition: background 0.2s, color 0.2s;
      min-height: 44px;
    }

    .btn-ghost:hover {
      background: var(--c-accent-light);
    }

    .btn-ghost:focus {
      outline: 2px solid rgba(199, 120, 0, 0.3);
      outline-offset: 2px;
    }

    .btn-white {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: #fff;
      color: var(--c-primary);
      font-weight: 600;
      font-size: 15px;
      padding: 12px 28px;
      border-radius: 8px;
      border: none;
      cursor: pointer;
      transition: background 0.2s, transform 0.1s;
      min-height: 44px;
    }

    .btn-white:hover {
      background: #F5F2EB;
    }

    .btn-white:active {
      transform: translateY(1px);
    }

    /* ===== Category Hero ===== */
    .category-hero {
      min-height: 240px;
      background: linear-gradient(135deg, #F5F2EB 0%, #FBF3E7 100%);
      display: flex;
      align-items: center;
      padding: 48px 0;
      border-bottom: 1px solid var(--c-border);
    }

    .hero-flex {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 48px;
    }

    .hero-kicker {
      display: inline-block;
      background: var(--c-accent-light);
      color: var(--c-accent);
      font-size: 13px;
      font-weight: 600;
      border-radius: 6px;
      padding: 4px 12px;
      margin-bottom: 16px;
      border: 1px solid rgba(199, 120, 0, 0.15);
    }

    .category-hero h1 {
      font-size: 42px;
      font-weight: 700;
      color: var(--c-primary);
      font-family: "Noto Serif SC", "Source Han Serif SC", serif;
      line-height: 1.2;
      margin-bottom: 8px;
    }

    .category-hero .hero-sub {
      font-size: 15px;
      color: var(--c-muted);
      margin-bottom: 2px;
    }

    .category-hero p {
      margin-top: 12px;
      font-size: 16px;
      color: var(--c-muted);
      max-width: 460px;
    }

    .hero-image {
      width: 380px;
      flex-shrink: 0;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 8px 24px rgba(44, 42, 38, 0.08);
    }

    .hero-image img {
      width: 100%;
      height: 220px;
      object-fit: cover;
    }

    /* ===== Category Pills ===== */
    .cat-pills-wrap {
      background: #fff;
      border-bottom: 1px solid var(--c-border);
      padding: 14px 0;
    }

    .cat-pills {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .cat-pill {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      height: 40px;
      padding: 0 20px;
      border-radius: 24px;
      background: var(--c-surface);
      color: var(--c-text);
      font-size: 14px;
      font-weight: 600;
      transition: all 0.2s;
      border: 1px solid transparent;
    }

    .cat-pill:hover {
      background: var(--c-accent-light);
      color: var(--c-accent);
    }

    .cat-pill.active {
      background: var(--c-primary);
      color: #fff;
    }

    /* ===== Section ===== */
    .section-block {
      padding: 80px 0;
    }

    .section-block.alt-bg {
      background: var(--c-surface);
    }

    .section-block.white-bg {
      background: #fff;
    }

    .section-head {
      margin-bottom: 40px;
    }

    .section-head.center {
      text-align: center;
    }

    .section-head.center p {
      margin-left: auto;
      margin-right: auto;
    }

    .section-head h2 {
      font-size: 30px;
      font-weight: 700;
      color: var(--c-primary);
      font-family: "Noto Serif SC", "Source Han Serif SC", serif;
      line-height: 1.3;
    }

    .section-head p {
      margin-top: 12px;
      color: var(--c-muted);
      font-size: 15px;
      max-width: 600px;
    }

    /* ===== Feature Grid ===== */
    .feature-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .feature-card {
      background: #fff;
      border: 1px solid var(--c-border);
      border-radius: 10px;
      padding: 28px 24px;
      transition: box-shadow 0.2s, transform 0.2s;
    }

    .feature-card:hover {
      box-shadow: var(--shadow-card);
      transform: translateY(-2px);
    }

    .feature-icon {
      width: 44px;
      height: 44px;
      border-radius: 10px;
      background: var(--c-accent-light);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--c-accent);
      margin-bottom: 16px;
    }

    .feature-card h3 {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 8px;
      color: var(--c-primary);
    }

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

    /* ===== Content Main ===== */
    .content-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr;
      gap: 24px;
      align-items: stretch;
    }

    .content-main-card {
      background: #fff;
      border: 1px solid var(--c-border);
      border-radius: 12px;
      padding: 24px;
      display: flex;
      flex-direction: column;
    }

    .content-main-card img {
      width: 100%;
      height: 260px;
      object-fit: cover;
      border-radius: 8px;
      margin-bottom: 20px;
    }

    .content-main-card h3 {
      font-size: 20px;
      font-weight: 700;
      color: var(--c-primary);
      margin-bottom: 10px;
    }

    .content-main-card p {
      font-size: 14px;
      color: var(--c-muted);
      line-height: 1.8;
      flex: 1;
    }

    .content-main-card .tag {
      display: inline-block;
      background: var(--c-accent-light);
      color: var(--c-accent);
      font-size: 12px;
      font-weight: 600;
      border-radius: 6px;
      padding: 2px 10px;
      margin-bottom: 12px;
      align-self: flex-start;
    }

    .content-side {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

    .side-card {
      background: #fff;
      border: 1px solid var(--c-border);
      border-radius: 10px;
      padding: 20px;
      display: flex;
      gap: 16px;
      align-items: center;
      transition: box-shadow 0.2s;
      flex: 1;
    }

    .side-card:hover {
      box-shadow: var(--shadow-card);
    }

    .side-card-icon {
      width: 40px;
      height: 40px;
      border-radius: 8px;
      background: var(--c-surface);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--c-accent);
      flex-shrink: 0;
    }

    .side-card h4 {
      font-size: 15px;
      font-weight: 700;
      color: var(--c-primary);
      margin-bottom: 4px;
    }

    .side-card p {
      font-size: 13px;
      color: var(--c-muted);
      line-height: 1.6;
    }

    /* ===== Info Cards ===== */
    .info-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .info-card {
      background: #fff;
      border: 1px solid var(--c-border);
      border-radius: 10px;
      padding: 24px;
      transition: box-shadow 0.2s, transform 0.2s;
    }

    .info-card:hover {
      box-shadow: var(--shadow-card);
      transform: translateY(-2px);
    }

    .info-card .info-icon {
      width: 40px;
      height: 40px;
      border-radius: 8px;
      background: var(--c-accent-light);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--c-accent);
      margin-bottom: 14px;
    }

    .info-card h3 {
      font-size: 16px;
      font-weight: 700;
      color: var(--c-primary);
      margin-bottom: 8px;
    }

    .info-card p {
      font-size: 13px;
      color: var(--c-muted);
      line-height: 1.7;
    }

    .info-card .more-link {
      display: inline-block;
      margin-top: 12px;
      font-size: 13px;
      font-weight: 600;
      color: var(--c-accent);
      transition: color 0.2s;
    }

    .info-card .more-link:hover {
      color: var(--c-accent-dark);
      text-decoration: underline;
    }

    /* ===== Stats ===== */
    .stats-section {
      background: var(--c-primary);
      color: #fff;
      padding: 64px 0;
    }

    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      text-align: center;
    }

    .stat-number {
      font-size: 40px;
      font-weight: 700;
      color: var(--c-accent);
      line-height: 1.2;
    }

    .stat-label {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.8);
      margin-top: 8px;
    }

    /* ===== Steps ===== */
    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
      counter-reset: step;
    }

    .step-item {
      background: #fff;
      border: 1px solid var(--c-border);
      border-radius: 12px;
      padding: 32px 24px;
      text-align: center;
      position: relative;
      transition: box-shadow 0.2s;
    }

    .step-item:hover {
      box-shadow: var(--shadow-card);
    }

    .step-num {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--c-accent);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 16px;
      font-weight: 700;
      font-size: 15px;
    }

    .step-item h3 {
      font-size: 16px;
      font-weight: 700;
      color: var(--c-primary);
      margin-bottom: 8px;
    }

    .step-item p {
      font-size: 13px;
      color: var(--c-muted);
      line-height: 1.7;
    }

    /* ===== FAQ ===== */
    .faq-list {
      max-width: 800px;
      margin: 0 auto;
    }

    .faq-item {
      background: #fff;
      border: 1px solid var(--c-border);
      border-radius: 12px;
      margin-bottom: 16px;
      overflow: hidden;
      transition: box-shadow 0.2s;
    }

    .faq-item:hover {
      box-shadow: var(--shadow-card);
    }

    .faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 16px 20px;
      cursor: pointer;
      font-weight: 600;
      font-size: 15px;
      color: var(--c-primary);
      background: #fff;
      border: none;
      width: 100%;
      text-align: left;
    }

    .faq-icon {
      transition: transform 0.2s;
      flex-shrink: 0;
      color: var(--c-accent);
    }

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

    .faq-answer {
      padding: 0 20px 16px;
      font-size: 14px;
      color: var(--c-muted);
      line-height: 1.8;
      display: none;
    }

    .faq-item.open .faq-answer {
      display: block;
    }

    /* ===== CTA ===== */
    .cta-section {
      padding: 72px 0;
      background: linear-gradient(135deg, #B86A00, #9A5A10);
      text-align: center;
      color: #fff;
    }

    .cta-section h2 {
      font-size: 30px;
      font-weight: 700;
      margin-bottom: 16px;
      font-family: "Noto Serif SC", "Source Han Serif SC", serif;
    }

    .cta-section p {
      font-size: 15px;
      color: rgba(255, 255, 255, 0.9);
      margin-bottom: 28px;
      max-width: 520px;
      margin-left: auto;
      margin-right: auto;
    }

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

    /* ===== Footer ===== */
    .site-footer {
      background: #2B2925;
      color: #E6E2D8;
      padding: 48px 24px 24px;
    }

    .footer-grid {
      max-width: 1200px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 32px;
    }

    .footer-grid h4 {
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 16px;
      color: #fff;
    }

    .footer-grid ul li {
      margin-bottom: 8px;
    }

    .footer-grid ul a {
      color: #E6E2D8;
      font-size: 14px;
      transition: color 0.2s;
    }

    .footer-grid ul a:hover {
      color: #E3A04B;
    }

    .footer-brand p {
      color: rgba(255, 255, 255, 0.7);
      font-size: 14px;
      margin-top: 12px;
      line-height: 1.7;
    }

    .footer-bottom {
      max-width: 1200px;
      margin: 0 auto;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 20px;
      text-align: center;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.6);
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
      .sidebar {
        display: none;
      }

      .main-wrapper {
        margin-left: 0;
        padding-top: 64px;
      }

      .mobile-header {
        display: flex;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        height: 64px;
        background: #fff;
        border-bottom: 1px solid var(--c-border);
        align-items: center;
        justify-content: space-between;
        padding: 0 16px;
        z-index: 50;
      }

      .mobile-logo {
        display: flex;
        align-items: center;
        gap: 8px;
        font-weight: 700;
        font-size: 16px;
        color: var(--c-primary);
      }

      .mobile-menu-btn {
        width: 40px;
        height: 40px;
        border: 1px solid var(--c-border);
        border-radius: 8px;
        background: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--c-text);
        transition: background 0.2s;
      }

      .mobile-menu-btn:hover {
        background: var(--c-surface);
      }

      .mobile-menu-btn:focus {
        outline: 2px solid rgba(199, 120, 0, 0.3);
      }

      /* Mobile Drawer */
      .mobile-drawer {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: 320px;
        max-width: 85vw;
        background: #FAFAF7;
        z-index: 60;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        border-right: 1px solid var(--c-border);
        padding-top: 72px;
      }

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

      .mobile-drawer .sidebar-nav {
        flex: 1;
        padding: 12px;
      }

      .drawer-close {
        position: absolute;
        top: 12px;
        right: 12px;
        width: 36px;
        height: 36px;
        border-radius: 8px;
        border: 1px solid var(--c-border);
        background: #fff;
        font-size: 18px;
        color: var(--c-text);
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 5;
        transition: background 0.2s;
      }

      .drawer-close:hover {
        background: var(--c-surface);
      }

      .drawer-overlay {
        display: block;
        position: fixed;
        inset: 0;
        background: rgba(35, 30, 20, 0.5);
        z-index: 55;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s;
      }

      .drawer-overlay.active {
        opacity: 1;
        visibility: visible;
      }

      .category-hero {
        min-height: auto;
        padding: 48px 0 40px;
      }

      .hero-flex {
        flex-direction: column;
        gap: 24px;
        align-items: flex-start;
      }

      .hero-image {
        width: 100%;
      }

      .hero-image img {
        height: 200px;
      }

      .content-grid {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      .section-block {
        padding: 48px 0;
      }

      .feature-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
      }

      .info-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
      }

      .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 24px;
      }

      .steps-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
      }

      .section-head h2 {
        font-size: 24px;
      }

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

      .hero-image img {
        height: 160px;
      }
    }

    @media (max-width: 520px) {
      .container {
        padding-left: 16px;
        padding-right: 16px;
      }

      .feature-grid {
        grid-template-columns: 1fr;
      }

      .info-grid {
        grid-template-columns: 1fr;
      }

      .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
      }

      .steps-grid {
        grid-template-columns: 1fr;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }

      .category-hero h1 {
        font-size: 28px;
      }

      .cta-section {
        padding: 48px 0;
      }

      .cta-section h2 {
        font-size: 22px;
      }

      .btn-row {
        flex-direction: column;
      }

      .btn-row .btn-primary,
      .btn-row .btn-white {
        width: 100%;
      }
    }

/* roulang page: category2 */
:root{
  --c-primary:#2C2A26;
  --c-accent:#C77800;
  --c-accent-hover:#A86500;
  --c-bg:#FCFBF9;
  --c-surface:#FAFAF7;
  --c-surface-warm:#F5F2EB;
  --c-border:#E8E4DC;
  --c-text:#3A3733;
  --c-muted:#6E685E;
  --c-weak:#9A948A;
  --c-amber-bg:#FBF3E7;
  --c-foot-bg:#2B2925;
  --r-md:8px;
  --r-lg:12px;
  --radius-pill:24px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;cursor:pointer}

.body-wrapper{min-height:100vh}
.sidebar{
  width:240px;
  position:fixed;
  top:0;left:0;bottom:0;
  background:var(--c-surface);
  border-right:1px solid var(--c-border);
  display:flex;
  flex-direction:column;
  padding:0 0 24px;
  z-index:50;
  transition:transform .25s ease;
}
.sidebar-logo{
  height:72px;
  display:flex;
  align-items:center;
  padding:0 24px;
  border-bottom:1px solid var(--c-border);
  flex-shrink:0;
}
.logo-mark{
  width:34px;height:34px;
  background:var(--c-accent);
  color:#fff;
  font-weight:700;
  font-size:19px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:9px;
}
.logo-text{
  margin-left:10px;
  font-size:17px;
  font-weight:700;
  color:var(--c-primary);
  letter-spacing:.5px;
  white-space:nowrap;
}
.sidebar-nav{
  flex:1;
  padding:20px 12px;
  display:flex;
  flex-direction:column;
  gap:4px;
  overflow-y:auto;
}
.nav-item{
  display:flex;
  align-items:center;
  gap:10px;
  height:44px;
  padding:0 16px;
  border-radius:10px;
  font-size:15px;
  font-weight:600;
  color:#3A3733;
  transition:background .2s,color .2s;
}
.nav-item .nav-icon{width:18px;height:18px;flex-shrink:0}
.nav-item:hover{background:#F0EDE5;color:var(--c-primary)}
.nav-item.active{
  background:var(--c-primary);
  color:#fff;
}
.nav-item.active .nav-icon{color:var(--c-accent)}
.sidebar-keyword{
  margin:12px 16px 0;
  background:var(--c-amber-bg);
  border-radius:10px;
  padding:10px 14px;
  font-size:13px;
  color:#9A6A1F;
  text-align:center;
  font-weight:600;
}
.sidebar-foot{
  padding:16px 24px 0;
  font-size:12px;
  color:var(--c-weak);
  border-top:1px solid var(--c-border);
  margin-top:16px;
}

.mobile-topbar{
  display:none;
  height:64px;
  background:#fff;
  border-bottom:1px solid var(--c-border);
  align-items:center;
  justify-content:space-between;
  padding:0 20px;
  position:fixed;
  top:0;left:0;right:0;
  z-index:60;
}
.mobile-topbar .logo-text{font-size:16px}
.hamburger{
  width:40px;height:40px;
  border-radius:8px;
  border:1px solid var(--c-border);
  background:#fff;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.hamburger span{
  display:block;
  width:18px;height:2px;
  background:var(--c-primary);
  border-radius:2px;
}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(35,30,20,.5);
  z-index:70;
  opacity:0;
  visibility:hidden;
  transition:opacity .25s;
}
.drawer-mask.show{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;
  top:0;left:0;bottom:0;
  width:320px;
  background:var(--c-surface);
  z-index:80;
  transform:translateX(-100%);
  transition:transform .25s ease;
  display:flex;
  flex-direction:column;
  padding-top:8px;
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-close{
  align-self:flex-end;
  margin:8px 16px 0;
  width:36px;height:36px;
  border-radius:8px;
  border:1px solid var(--c-border);
  background:#fff;
  font-size:16px;
  color:var(--c-text);
}

.main-content{
  margin-left:240px;
  min-height:100vh;
  background:var(--c-bg);
}

.container-custom{
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}

.page-hero{
  background:linear-gradient(135deg,#F5F2EB 0%,#FBF3E7 60%,#FCFBF9 100%);
  min-height:280px;
  display:grid;
  grid-template-columns:1fr auto;
  align-items:center;
  gap:32px;
  padding:56px 0;
  border-bottom:1px solid var(--c-border);
}
.page-hero .container-custom{
  display:grid;
  grid-template-columns:1fr 320px;
  gap:32px;
  align-items:center;
  width:100%;
}
.hero-kicker{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  color:var(--c-accent);
  background:var(--c-amber-bg);
  padding:4px 12px;
  border-radius:6px;
  margin-bottom:14px;
  letter-spacing:.5px;
}
.page-hero h1{
  font-family:"Noto Serif SC","Source Han Serif SC","PingFang SC",serif;
  font-size:44px;
  font-weight:700;
  color:var(--c-primary);
  line-height:1.2;
  margin-bottom:14px;
}
.hero-sub{
  font-size:17px;
  color:var(--c-muted);
  line-height:1.8;
  max-width:520px;
  margin-bottom:26px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-image{
  width:300px;height:220px;
  border-radius:12px;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  border:1px solid rgba(255,255,255,.6);
  box-shadow:0 8px 24px rgba(44,42,38,.06);
}

.btn-primary{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--c-accent);
  color:#fff;
  font-size:15px;
  font-weight:600;
  padding:12px 26px;
  border-radius:8px;
  border:none;
  transition:background .2s,transform .1s,box-shadow .2s;
}
.btn-primary:hover{background:var(--c-accent-hover)}
.btn-primary:active{background:#8F5400;transform:translateY(1px)}
.btn-primary:focus{outline:2px solid rgba(199,120,0,.4);outline-offset:2px}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:transparent;
  color:var(--c-accent);
  font-size:15px;
  font-weight:600;
  padding:12px 26px;
  border-radius:8px;
  border:1px solid rgba(199,120,0,.4);
  transition:background .2s,color .2s;
  text-align:center;
}
.btn-ghost:hover{background:var(--c-amber-bg);color:var(--c-accent-hover)}
.btn-ghost:active{transform:translateY(1px)}
.btn-ghost:focus{outline:2px solid rgba(199,120,0,.3);outline-offset:2px}

.category-pills-section{
  padding:24px 0 0;
}
.category-pills{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
}
.pill{
  display:inline-flex;
  align-items:center;
  padding:10px 22px;
  border-radius:24px;
  border:1px solid var(--c-border);
  background:#fff;
  font-size:14px;
  font-weight:600;
  color:var(--c-muted);
  transition:all .2s;
}
.pill:hover{border-color:var(--c-accent);color:var(--c-accent);background:var(--c-amber-bg)}
.pill.active{
  background:var(--c-primary);
  color:#fff;
  border-color:var(--c-primary);
}

.section-block{padding:72px 0}
.section-block + .section-block{border-top:1px solid var(--c-border)}
.section-tag{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  color:var(--c-accent);
  background:var(--c-amber-bg);
  padding:4px 12px;
  border-radius:6px;
  margin-bottom:12px;
}
.section-title{
  font-family:"Noto Serif SC","Source Han Serif SC",serif;
  font-size:30px;
  font-weight:700;
  color:var(--c-primary);
  line-height:1.3;
  margin-bottom:12px;
}
.section-desc{
  font-size:16px;
  color:var(--c-muted);
  max-width:680px;
  margin-bottom:40px;
}

.service-intro-grid{
  display:grid;
  grid-template-columns:1.2fr .8fr;
  gap:56px;
  align-items:center;
}
.intro-copy-list{
  margin-top:24px;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.intro-copy-list li{
  display:flex;
  align-items:flex-start;
  gap:12px;
  font-size:15px;
  color:var(--c-text);
}
.intro-copy-list li svg{
  width:18px;height:18px;
  flex-shrink:0;
  margin-top:4px;
  color:var(--c-accent);
}
.intro-media img{
  width:100%;
  border-radius:12px;
  border:1px solid var(--c-border);
  box-shadow:0 8px 24px rgba(44,42,38,.05);
}

.flow-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.flow-item{
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:10px;
  padding:28px 24px;
  position:relative;
  transition:box-shadow .2s,transform .2s;
}
.flow-item:hover{box-shadow:0 4px 12px rgba(44,42,38,.08);transform:translateY(-2px)}
.flow-num{
  font-family:"Noto Serif SC",serif;
  font-size:32px;
  font-weight:700;
  color:var(--c-amber-bg);
  line-height:1;
  margin-bottom:14px;
}
.flow-item h3{
  font-size:18px;
  font-weight:700;
  color:var(--c-primary);
  margin-bottom:8px;
}
.flow-item p{
  font-size:14px;
  color:var(--c-muted);
  line-height:1.7;
}

.scene-grid{
  display:grid;
  grid-template-columns:1.3fr 1fr;
  grid-template-rows:1fr 1fr;
  gap:24px;
}
.scene-card{
  border-radius:10px;
  border:1px solid var(--c-border);
  background:#fff;
  overflow:hidden;
  transition:box-shadow .2s,transform .2s;
}
.scene-card:hover{box-shadow:0 4px 12px rgba(44,42,38,.08);transform:translateY(-2px)}
.scene-card.featured{
  grid-row:1 / 3;
  display:flex;
  flex-direction:column;
}
.scene-card img{width:100%;height:180px;object-fit:cover}
.scene-card.featured img{height:300px}
.scene-card-body{padding:22px 24px;flex:1;display:flex;flex-direction:column}
.scene-card-body h3{font-size:18px;font-weight:700;color:var(--c-primary);margin-bottom:8px}
.scene-card-body p{font-size:14px;color:var(--c-muted);line-height:1.7;flex:1}
.scene-link{
  margin-top:16px;
  font-size:14px;
  font-weight:600;
  color:var(--c-accent);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.scene-link:hover{color:var(--c-accent-hover)}

.notice-panel{
  background:var(--c-primary);
  border-radius:12px;
  padding:48px;
  display:grid;
  grid-template-columns:0.9fr 1.1fr;
  gap:48px;
  align-items:center;
  color:#fff;
}
.notice-panel h2{
  font-size:28px;
  font-weight:700;
  font-family:"Noto Serif SC",serif;
  color:#fff;
  margin-bottom:10px;
}
.notice-panel .lead{color:#C8C2B7;font-size:15px;line-height:1.8}
.notice-items{display:flex;flex-direction:column;gap:18px}
.notice-item{
  display:flex;
  gap:14px;
  align-items:flex-start;
}
.notice-item svg{width:22px;height:22px;color:var(--c-accent);flex-shrink:0;margin-top:3px}
.notice-item strong{
  display:block;
  font-size:15px;
  font-weight:600;
  color:#E6E2D8;
  margin-bottom:2px;
}
.notice-item span{
  font-size:14px;
  color:#B8B0A2;
  line-height:1.6;
}

.faq-section{max-width:860px;margin:0 auto}
.faq-item{
  border:1px solid var(--c-border);
  border-radius:12px;
  background:#fff;
  margin-bottom:14px;
  overflow:hidden;
}
.faq-question{
  width:100%;
  background:#fff;
  border:none;
  padding:18px 24px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  text-align:left;
  font-size:15px;
  font-weight:600;
  color:var(--c-primary);
  transition:background .2s;
}
.faq-question:hover{background:var(--c-surface-warm)}
.faq-icon{
  width:22px;height:22px;
  flex-shrink:0;
  color:var(--c-accent);
  transition:transform .25s;
}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-answer{
  max-height:0;
  overflow:hidden;
  padding:0 24px;
  transition:max-height .3s ease,padding .3s ease;
}
.faq-item.open .faq-answer{max-height:300px;padding:0 24px 20px}
.faq-answer p{
  font-size:14px;
  color:var(--c-muted);
  line-height:1.8;
  padding-top:12px;
  border-top:1px dashed var(--c-border);
}

.cta-panel{
  background:linear-gradient(135deg,#B86A00 0%,#9A5A10 100%);
  border-radius:12px;
  padding:56px 48px;
  text-align:center;
  margin:72px 0;
}
.cta-panel h2{
  font-size:30px;
  font-weight:700;
  color:#fff;
  font-family:"Noto Serif SC",serif;
  margin-bottom:12px;
}
.cta-panel p{
  color:rgba(255,255,255,.85);
  font-size:16px;
  margin-bottom:28px;
}
.btn-white{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:#fff;
  color:#2C2A26;
  font-size:15px;
  font-weight:700;
  padding:12px 32px;
  border-radius:8px;
  transition:transform .1s,box-shadow .2s;
}
.btn-white:hover{box-shadow:0 4px 16px rgba(0,0,0,.12)}
.btn-white:active{transform:translateY(1px)}

.site-footer{
  background:var(--c-foot-bg);
  color:#E6E2D8;
  padding:48px 24px 24px;
}
.footer-grid{
  max-width:1200px;
  margin:0 auto;
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand .logo-text{color:#fff}
.footer-brand p{
  font-size:14px;
  color:#B8B0A2;
  margin-top:14px;
  line-height:1.7;
}
.footer-col h4{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{
  font-size:14px;
  color:#B8B0A2;
  transition:color .2s;
}
.footer-col a:hover{color:#E3A04B}
.footer-col p{font-size:14px;color:#B8B0A2;line-height:1.6}
.footer-bottom{
  max-width:1200px;
  margin:0 auto;
  padding-top:24px;
  font-size:13px;
  color:#8A8579;
  text-align:center;
}

@media (max-width:1280px){
  .page-hero .container-custom{grid-template-columns:1fr 280px}
  .hero-image{width:260px;height:190px}
}

@media (max-width:1023px){
  .sidebar{transform:translateX(-100%)}
  .mobile-topbar{display:flex}
  .main-content{margin-left:0}
  .page-hero{min-height:240px;padding:48px 0}
  .page-hero .container-custom{grid-template-columns:1fr}
  .hero-image{display:none}
  .service-intro-grid{grid-template-columns:1fr;gap:36px}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .notice-panel{grid-template-columns:1fr;padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr}
}

@media (max-width:767px){
  .page-hero h1{font-size:32px}
  .section-title{font-size:24px}
  .flow-grid{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr;grid-template-rows:auto}
  .scene-card.featured{grid-row:auto}
  .scene-card.featured img{height:200px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-panel{padding:40px 24px}
  .cta-panel h2{font-size:24px}
  .notice-panel{padding:28px 24px}
  .section-block{padding:52px 0}
}

@media (max-width:520px){
  .container-custom{padding:0 16px}
  .category-pills{gap:8px}
  .pill{padding:8px 16px;font-size:13px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .btn-primary,.btn-ghost{width:100%}
  .footer-grid{grid-template-columns:1fr}
}

/* roulang page: category3 */
:root {
            --c-primary: #2C2A26;
            --c-accent: #C77800;
            --c-accent-dark: #A86500;
            --c-accent-deep: #8F5400;
            --c-bg: #FCFBF9;
            --c-surface: #F5F2EB;
            --c-border: #E8E4DC;
            --c-text: #3A3733;
            --c-muted: #6E685E;
            --c-faint: #9A948A;
            --c-success: #3E7A3E;
            --c-danger: #A83232;
            --sidebar-w: 240px;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 12px;
            --shadow-card: 0 4px 12px rgba(44, 42, 38, 0.08);
            --shadow-hover: 0 8px 24px rgba(44, 42, 38, 0.06);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-serif: "Noto Serif SC", "Source Han Serif SC", serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.8;
            color: var(--c-text);
            background: var(--c-bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s;
        }
        ul,
        ol {
            list-style: none;
        }
        button {
            border: none;
            background: none;
            cursor: pointer;
            font-family: inherit;
        }

        /* 布局 */
        .app-shell {
            display: flex;
            min-height: 100vh;
        }

        /* 侧边栏 */
        .sidebar {
            width: var(--sidebar-w);
            background: #FAFAF7;
            border-right: 1px solid var(--c-border);
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            z-index: 50;
            display: flex;
            flex-direction: column;
            padding: 0;
        }
        .sidebar-logo {
            height: 72px;
            padding: 0 24px;
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--c-border);
            flex-shrink: 0;
        }
        .logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            background: var(--c-accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            letter-spacing: 0;
        }
        .logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--c-primary);
            letter-spacing: .5px;
        }
        .sidebar-nav {
            padding: 16px 12px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .nav-item {
            display: flex;
            align-items: center;
            gap: 10px;
            height: 44px;
            padding: 0 16px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 600;
            color: var(--c-text);
            transition: background .2s, color .2s, transform .15s;
            margin-left: 4px;
            margin-right: 4px;
        }
        .nav-item:hover {
            background: #F0EDE5;
        }
        .nav-item.active {
            background: var(--c-primary);
            color: #fff;
            box-shadow: inset 4px 0 0 var(--c-accent);
        }
        .nav-item.active:hover {
            background: var(--c-primary);
        }
        .nav-icon {
            width: 18px;
            height: 18px;
            flex-shrink: 0;
        }
        .sidebar-keyword {
            margin: 0 16px 16px;
            background: #FBF3E7;
            border-radius: var(--radius-md);
            padding: 12px 16px;
            font-size: 13px;
            color: #9A6A1F;
            text-align: center;
            line-height: 1.5;
            border: 1px solid rgba(199, 120, 0, 0.12);
        }
        .sidebar-bottom {
            padding: 16px 24px;
            border-top: 1px solid var(--c-border);
            font-size: 12px;
            color: var(--c-faint);
            text-align: center;
        }

        /* 主内容区 */
        .main-content {
            margin-left: var(--sidebar-w);
            flex: 1;
            min-height: 100vh;
            background: var(--c-bg);
            display: flex;
            flex-direction: column;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* 移动端 */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: #fff;
            border-bottom: 1px solid var(--c-border);
            z-index: 100;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
        }
        .mobile-menu-btn {
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            color: var(--c-primary);
        }
        .mobile-menu-btn:hover {
            background: var(--c-surface);
        }
        .drawer-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(35, 30, 20, 0.5);
            z-index: 200;
        }
        .drawer-overlay.visible {
            display: block;
        }
        .mobile-drawer {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: 320px;
            background: #FAFAF7;
            z-index: 210;
            transform: translateX(-100%);
            transition: transform .3s ease;
            display: flex;
            flex-direction: column;
            padding: 0;
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .drawer-header {
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 16px;
            border-bottom: 1px solid var(--c-border);
        }
        .drawer-close {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            color: var(--c-text);
        }
        .drawer-close:hover {
            background: var(--c-surface);
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 600;
            transition: background .2s, transform .15s, box-shadow .2s;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--c-accent);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--c-accent-dark);
            box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.15);
        }
        .btn-primary:active {
            background: var(--c-accent-deep);
            transform: translateY(1px);
        }
        .btn-primary:focus-visible,
        .btn-ghost:focus-visible {
            outline: 2px solid rgba(199, 120, 0, 0.4);
            outline-offset: 2px;
        }
        .btn-ghost {
            background: transparent;
            color: var(--c-accent);
            border: 1px solid var(--c-border);
        }
        .btn-ghost:hover {
            background: #FBF3E7;
            border-color: var(--c-accent);
        }
        .btn-white {
            background: #fff;
            color: var(--c-accent-deep);
        }
        .btn-white:hover {
            background: #F5F2EB;
        }

        /* Hero */
        .cat-hero {
            position: relative;
            min-height: 220px;
            background: linear-gradient(135deg, #F5F2EB 0%, #FBF3E7 60%, #F7E8D3 100%);
            display: flex;
            align-items: center;
            padding: 48px 0;
            border-bottom: 1px solid var(--c-border);
        }
        .cat-hero-bg {
            position: absolute;
            top: 0;
            right: 0;
            width: 45%;
            height: 100%;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: .25;
            border-radius: 0;
        }
        .cat-hero-content {
            position: relative;
            z-index: 2;
        }
        .cat-hero h1 {
            font-family: var(--font-serif);
            font-size: 42px;
            font-weight: 700;
            color: var(--c-primary);
            line-height: 1.25;
            margin-bottom: 8px;
        }
        .cat-hero .brand-tag {
            display: inline-block;
            font-size: 14px;
            color: var(--c-accent);
            font-weight: 600;
            background: rgba(255, 255, 255, 0.7);
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
            border: 1px solid rgba(199, 120, 0, 0.2);
        }
        .cat-hero p {
            font-size: 17px;
            color: var(--c-muted);
            max-width: 460px;
            line-height: 1.7;
        }

        /* 分类胶囊 */
        .cat-pills {
            padding: 28px 0 0;
        }
        .pills-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .pill-item {
            padding: 8px 22px;
            border-radius: 24px;
            background: #fff;
            border: 1px solid var(--c-border);
            font-size: 14px;
            font-weight: 600;
            color: var(--c-muted);
            transition: all .2s;
        }
        .pill-item:hover {
            border-color: var(--c-accent);
            color: var(--c-accent);
            background: #FBF3E7;
        }
        .pill-item.active {
            background: var(--c-primary);
            color: #fff;
            border-color: var(--c-primary);
        }

        /* 板块 */
        .section-block {
            padding: 80px 0;
        }
        .section-block+.section-block {
            padding-top: 0;
        }
        .section-title {
            font-family: var(--font-serif);
            font-size: 30px;
            font-weight: 700;
            color: var(--c-primary);
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .section-sub {
            font-size: 15px;
            color: var(--c-muted);
            margin-bottom: 36px;
            max-width: 640px;
            line-height: 1.7;
        }

        /* 图文 */
        .media-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .media-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--c-surface);
            border: 1px solid var(--c-border);
        }
        .media-img img {
            width: 100%;
            object-fit: cover;
            min-height: 280px;
        }
        .media-body h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--c-primary);
            margin-bottom: 16px;
            line-height: 1.5;
        }
        .media-body p {
            font-size: 15px;
            color: var(--c-muted);
            line-height: 1.9;
            margin-bottom: 16px;
        }
        .check-list {
            margin-top: 16px;
        }
        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 15px;
            color: var(--c-text);
            margin-bottom: 10px;
        }
        .check-list .check-icon {
            color: var(--c-success);
            flex-shrink: 0;
            margin-top: 3px;
        }

        /* 卡片 */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .card-item {
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: box-shadow .25s, transform .25s, border-color .25s;
        }
        .card-item:hover {
            box-shadow: var(--shadow-card);
            transform: translateY(-4px);
            border-color: rgba(199, 120, 0, 0.3);
        }
        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: #FBF3E7;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-accent);
            margin-bottom: 18px;
        }
        .card-icon svg {
            width: 24px;
            height: 24px;
        }
        .card-item h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--c-primary);
            margin-bottom: 8px;
        }
        .card-item p {
            font-size: 14px;
            color: var(--c-muted);
            line-height: 1.7;
        }

        /* 对比表 */
        .compare-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--c-border);
            background: #fff;
        }
        .compare-table {
            width: 100%;
            min-width: 640px;
            border-collapse: collapse;
        }
        .compare-table th,
        .compare-table td {
            padding: 14px 20px;
            text-align: center;
            font-size: 14px;
            border-bottom: 1px solid #F0EDE5;
        }
        .compare-table th {
            background: var(--c-surface);
            font-weight: 600;
            color: var(--c-primary);
            font-size: 13px;
        }
        .compare-table th:first-child {
            text-align: left;
        }
        .compare-table td:first-child {
            text-align: left;
            font-weight: 500;
            color: var(--c-text);
        }
        .compare-table .member-col {
            background: #FDF6EC;
            border-left: 1px solid rgba(199, 120, 0, 0.15);
            border-right: 1px solid rgba(199, 120, 0, 0.15);
        }
        .compare-table .member-head {
            background: var(--c-accent);
            color: #fff;
            border: none;
            position: relative;
        }
        .compare-table .member-check {
            color: var(--c-success);
        }
        .compare-table .member-cross {
            color: #A0A098;
        }
        .compare-table tr:last-child td {
            border-bottom: none;
        }

        /* 流程 */
        .steps-wrap {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 8px;
        }
        .step-item {
            position: relative;
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 32px 24px 24px;
            text-align: center;
        }
        .step-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--c-primary);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
        }
        .step-item h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--c-primary);
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 13px;
            color: var(--c-muted);
            line-height: 1.7;
        }
        .step-arrow {
            position: absolute;
            right: -17px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--c-border);
            z-index: 2;
            font-size: 20px;
        }
        .steps-wrap .step-item:last-child .step-arrow {
            display: none;
        }

        /* FAQ */
        .faq-wrap {
            border: 1px solid var(--c-border);
            border-radius: var(--radius-lg);
            background: #fff;
            overflow: hidden;
        }
        .faq-item {
            border-bottom: 1px solid #F0EDE5;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            width: 100%;
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 15px;
            font-weight: 600;
            color: var(--c-primary);
            transition: background .2s;
            text-align: left;
            gap: 16px;
        }
        .faq-question:hover {
            background: #FAFAF7;
        }
        .faq-icon {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            transition: transform .3s;
            color: var(--c-accent);
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
            padding: 0 24px;
            font-size: 14px;
            color: var(--c-muted);
            line-height: 1.8;
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
            padding-bottom: 20px;
        }

        /* CTA */
        .cta-section {
            padding: 24px 0 80px;
        }
        .cta-box {
            background: linear-gradient(135deg, #B86A00 0%, #9A5A10 100%);
            border-radius: var(--radius-lg);
            padding: 48px 56px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
        }
        .cta-box h3 {
            color: #fff;
            font-size: 24px;
            font-weight: 700;
            font-family: var(--font-serif);
            line-height: 1.4;
        }
        .cta-box p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 14px;
            margin-top: 6px;
        }

        /* 页脚 */
        .site-footer {
            background: #2B2925;
            color: #E6E2D8;
            padding: 48px 0 24px;
            margin-top: auto;
        }
        .footer-grid {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(230, 226, 216, 0.7);
            margin-top: 12px;
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col a {
            font-size: 14px;
            color: rgba(230, 226, 216, 0.7);
            transition: color .2s;
        }
        .footer-col a:hover {
            color: #E3A04B;
        }
        .footer-col p {
            font-size: 14px;
            color: rgba(230, 226, 216, 0.7);
            line-height: 1.7;
        }
        .footer-bottom {
            max-width: 1200px;
            margin: 40px auto 0;
            padding: 20px 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 13px;
            color: rgba(230, 226, 216, 0.5);
            text-align: center;
        }

        /* 响应式 */
        @media (max-width: 1023px) {
            .sidebar {
                display: none;
            }
            .main-content {
                margin-left: 0;
                padding-top: 64px;
            }
            .mobile-header {
                display: flex;
            }
            .section-block {
                padding: 56px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .media-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-wrap {
                grid-template-columns: repeat(2, 1fr);
            }
            .step-arrow {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 767px) {
            .container {
                padding: 0 16px;
            }
            .cat-hero {
                min-height: 200px;
                padding: 32px 0;
            }
            .cat-hero h1 {
                font-size: 30px;
            }
            .cat-hero-bg {
                width: 60%;
                opacity: .15;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .steps-wrap {
                grid-template-columns: 1fr;
            }
            .cta-box {
                padding: 32px 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .btn {
                width: 100%;
            }
            .pills-wrap {
                overflow-x: auto;
                flex-wrap: nowrap;
                padding-bottom: 8px;
                -webkit-overflow-scrolling: touch;
            }
            .pill-item {
                white-space: nowrap;
                flex-shrink: 0;
            }
        }
        @media (max-width: 520px) {
            .media-img img {
                min-height: 180px;
            }
            .compare-table th,
            .compare-table td {
                padding: 12px 14px;
            }
        }

/* roulang page: category4 */
:root {
  --c-primary: #2C2A26;
  --c-accent: #C77800;
  --c-accent-hover: #A86500;
  --c-accent-active: #8F5400;
  --c-bg: #FCFBF9;
  --c-surface: #F5F2EB;
  --c-border: #E8E4DC;
  --c-text: #3A3733;
  --c-muted: #6E685E;
  --c-faint: #9A948A;
  --c-gold-bg: #FBF3E7;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --shadow-card: 0 4px 12px rgba(44,42,38,0.08);
  --shadow-hero: 0 8px 24px rgba(44,42,38,0.06);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  font-size: 16px;
  line-height: 1.8;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; }

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--c-accent);
  color: #fff;
  font-weight: 700;
  font-size: 18px;
  flex-shrink: 0;
}
.logo-text {
  font-weight: 700;
  font-size: 17px;
  color: var(--c-primary);
  letter-spacing: 0.2px;
  white-space: nowrap;
}

/* ===== Sidebar ===== */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 240px;
  height: 100vh;
  background: #FAFAF7;
  border-right: 1px solid var(--c-border);
  display: flex;
  flex-direction: column;
  padding: 24px 16px 16px;
  z-index: 100;
  overflow-y: auto;
}
.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 8px;
  height: 72px;
  border-bottom: 1px solid var(--c-border);
}
.sidebar-nav {
  margin-top: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 44px;
  padding: 0 16px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-primary);
  transition: all .2s ease;
  position: relative;
}
.nav-item svg.nav-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}
.nav-item:hover {
  background: #F0EDE5;
  color: var(--c-primary);
}
.nav-item.active {
  background: var(--c-primary);
  color: #fff;
}
.nav-item.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 20px;
  border-radius: 0 4px 4px 0;
  background: var(--c-accent);
}
.sidebar-keyword {
  background: var(--c-gold-bg);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 13px;
  color: #9A6A1F;
  font-weight: 600;
  margin-bottom: 16px;
  text-align: center;
}
.sidebar-foot {
  font-size: 12px;
  color: var(--c-faint);
  padding: 8px 8px 0;
  border-top: 1px solid var(--c-border);
}

/* ===== Mobile header ===== */
.mobile-header {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: #fff;
  border-bottom: 1px solid var(--c-border);
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  z-index: 200;
}
.mobile-logo {
  display: flex;
  align-items: center;
  gap: 8px;
}
.mobile-menu-btn {
  width: 40px;
  height: 40px;
  background: transparent;
  border: 1px solid var(--c-border);
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex-direction: column;
}
.mobile-menu-btn span {
  width: 18px;
  height: 2px;
  background: var(--c-primary);
  border-radius: 2px;
}

/* ===== Mobile drawer ===== */
.mobile-drawer-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(35, 30, 20, 0.5);
  z-index: 299;
}
.mobile-drawer-overlay.open { display: block; }
.mobile-drawer {
  position: fixed;
  top: 0;
  left: 0;
  width: 320px;
  height: 100vh;
  background: #FAFAF7;
  z-index: 300;
  transform: translateX(-100%);
  transition: transform .3s ease;
  padding: 24px 16px 16px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}
.mobile-drawer.open { transform: translateX(0); }
.drawer-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--c-border);
  background: #fff;
  font-size: 20px;
  line-height: 1;
  color: var(--c-text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ===== Main wrapper ===== */
.main-wrapper {
  margin-left: 240px;
  min-height: 100vh;
  background: var(--c-bg);
}
.main-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px;
}

/* ===== Category Hero ===== */
.category-hero {
  position: relative;
  min-height: 240px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: linear-gradient(135deg, #F5F2EB 0%, #FBF3E7 60%, #FDF6EC 100%);
  display: flex;
  align-items: center;
  padding: 48px 40px;
  margin-bottom: 32px;
}
.category-hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.18;
}
.category-hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, rgba(252,251,249,0.92) 0%, rgba(252,251,249,0.55) 55%, rgba(252,251,249,0.1) 100%);
}
.category-hero-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
}
.category-hero h1 {
  font-family: "Noto Serif SC", "Source Han Serif SC", serif;
  font-size: 38px;
  font-weight: 700;
  color: var(--c-primary);
  line-height: 1.3;
  letter-spacing: 1px;
}
.category-hero h1 .hero-sub {
  display: inline-block;
  margin-left: 12px;
  font-size: 16px;
  font-weight: 600;
  color: var(--c-accent);
  background: rgba(199,120,0,0.1);
  padding: 4px 12px;
  border-radius: 20px;
  vertical-align: middle;
}
.category-hero p {
  margin-top: 16px;
  font-size: 17px;
  color: var(--c-muted);
  line-height: 1.7;
  max-width: 520px;
}

/* ===== Category pills ===== */
.category-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 48px;
}
.pill {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  border-radius: 24px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-muted);
  background: #fff;
  border: 1px solid var(--c-border);
  transition: all .2s ease;
}
.pill:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
  background: var(--c-gold-bg);
}
.pill.active {
  background: var(--c-primary);
  color: #fff;
  border-color: var(--c-primary);
}

/* ===== Section headings ===== */
.section-title {
  font-family: "Noto Serif SC", "Source Han Serif SC", serif;
  font-size: 28px;
  font-weight: 700;
  color: var(--c-primary);
  line-height: 1.4;
  margin-bottom: 12px;
  position: relative;
  padding-left: 18px;
}
.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 24px;
  border-radius: 4px;
  background: var(--c-accent);
}
.section-desc {
  font-size: 15px;
  color: var(--c-muted);
  max-width: 680px;
  margin-bottom: 32px;
}

/* ===== Industry intro ===== */
.industry-intro {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 40px;
  align-items: center;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 64px;
}
.industry-img img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: 10px;
}
.industry-text h2 {
  font-family: "Noto Serif SC", "Source Han Serif SC", serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: 16px;
}
.industry-text p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-muted);
  margin-bottom: 16px;
}
.industry-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.industry-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--c-text);
  line-height: 1.6;
}
.industry-list li svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  color: var(--c-accent);
  margin-top: 3px;
}

/* ===== Industry cards ===== */
.industry-cards {
  margin-bottom: 64px;
}
.industry-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}
.industry-card {
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 10px;
  padding: 24px;
  transition: all .25s ease;
  display: flex;
  flex-direction: column;
}
.industry-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
  border-color: rgba(199,120,0,0.3);
}
.industry-card:first-child {
  grid-column: span 7;
}
.industry-card:nth-child(2) {
  grid-column: span 5;
}
.industry-card:nth-child(3) {
  grid-column: span 5;
}
.industry-card:nth-child(4) {
  grid-column: span 7;
}
.card-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--c-gold-bg);
  color: var(--c-accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.card-icon svg {
  width: 24px;
  height: 24px;
}
.industry-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: 8px;
  line-height: 1.4;
}
.industry-card p {
  font-size: 14px;
  color: var(--c-muted);
  line-height: 1.7;
  margin-bottom: 16px;
  flex: 1;
}
.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.card-tag {
  font-size: 12px;
  font-weight: 600;
  color: #9A6A1F;
  background: var(--c-gold-bg);
  padding: 3px 10px;
  border-radius: 6px;
}
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--c-accent);
  transition: all .2s ease;
}
.card-link:hover {
  color: var(--c-accent-hover);
  gap: 8px;
}
.card-link svg {
  width: 16px;
  height: 16px;
}

/* ===== Process ===== */
.process-section {
  background: var(--c-surface);
  border-radius: var(--radius-lg);
  padding: 40px;
  margin-bottom: 64px;
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 24px;
}
.process-step {
  position: relative;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: 10px;
  padding: 24px;
  text-align: center;
}
.process-step .step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--c-primary);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}
.process-step h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--c-primary);
  margin-bottom: 8px;
}
.process-step p {
  font-size: 14px;
  color: var(--c-muted);
  line-height: 1.6;
}

/* ===== FAQ ===== */
.faq-section {
  margin-bottom: 64px;
}
.faq-list {
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
}
.faq-item {
  border-bottom: 1px solid var(--c-border);
}
.faq-item:last-child {
  border-bottom: none;
}
.faq-question {
  width: 100%;
  background: #fff;
  border: none;
  text-align: left;
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--c-text);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  transition: all .2s ease;
}
.faq-question:hover {
  background: var(--c-gold-bg);
}
.faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: var(--c-surface);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--c-accent);
  transition: transform .2s ease;
}
.faq-item.open .faq-icon {
  transform: rotate(45deg);
}
.faq-answer {
  display: none;
  padding: 0 20px 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-muted);
}
.faq-item.open .faq-answer {
  display: block;
}

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, #B86A00 0%, #9A5A10 100%);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  text-align: center;
  color: #fff;
  margin-bottom: 24px;
}
.cta-section h2 {
  font-family: "Noto Serif SC", "Source Han Serif SC", serif;
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.4;
}
.cta-section p {
  font-size: 15px;
  opacity: 0.9;
  max-width: 520px;
  margin: 0 auto 28px;
  line-height: 1.7;
}
.btn-light {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  color: var(--c-primary);
  font-weight: 700;
  font-size: 15px;
  padding: 12px 32px;
  border-radius: var(--radius-md);
  border: none;
  transition: all .2s ease;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}
.btn-light:hover {
  background: var(--c-gold-bg);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(0,0,0,0.18);
}
.btn-light:active {
  transform: translateY(1px);
  box-shadow: 0 2px 6px rgba(0,0,0,0.14);
}
.btn-light:focus-visible {
  outline: 2px solid rgba(255,255,255,0.6);
  outline-offset: 2px;
}

/* ===== Footer ===== */
.site-footer {
  background: #2B2925;
  color: #E6E2D8;
  padding: 48px 40px 24px;
  margin-top: 16px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 32px;
  max-width: 1200px;
  margin: 0 auto;
}
.footer-brand .logo-text {
  color: #fff;
}
.footer-brand p {
  font-size: 14px;
  color: #BFB9AD;
  margin-top: 12px;
  line-height: 1.6;
}
.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 14px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col a {
  font-size: 14px;
  color: #BFB9AD;
  transition: color .2s ease;
}
.footer-col a:hover {
  color: #E3A04B;
}
.footer-col p {
  font-size: 14px;
  color: #BFB9AD;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  margin-top: 40px;
  text-align: center;
  font-size: 13px;
  color: #9A948A;
}

/* ===== Responsive ===== */
@media (max-width: 1023px) {
  .sidebar { display: none; }
  .mobile-header { display: flex; }
  .main-wrapper { margin-left: 0; }
  .main-content { padding: 84px 16px 32px; }
  .category-hero { min-height: 200px; padding: 36px 24px; }
  .category-hero h1 { font-size: 28px; }
  .category-hero p { font-size: 15px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
  .industry-intro {
    grid-template-columns: 1fr;
    padding: 20px;
  }
  .industry-img img { height: 200px; }
  .industry-grid { grid-template-columns: 1fr; }
  .industry-card:first-child,
  .industry-card:nth-child(2),
  .industry-card:nth-child(3),
  .industry-card:nth-child(4) { grid-column: span 1; }
  .process-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-section { padding: 32px 20px; }
  .cta-section h2 { font-size: 22px; }
  .section-title { font-size: 24px; }
}
@media (max-width: 480px) {
  .process-grid { grid-template-columns: 1fr; }
  .category-hero { padding: 28px 16px; }
  .category-hero h1 { font-size: 24px; }
  .category-pills { gap: 8px; }
  .pill { padding: 6px 14px; font-size: 13px; }
}