/* roulang page: index */
/* ===== Design Tokens ===== */
:root {
  --brand-primary: #0F766E;
  --brand-secondary: #14B8A6;
  --accent-gold: #D4A72C;
  --accent-coral: #F97350;
  --gradient-brand: linear-gradient(135deg, #0F766E 0%, #14B8A6 100%);
  --gradient-cta: linear-gradient(135deg, #F97350 0%, #D4A72C 100%);
  --bg-page: #F7F9F8;
  --bg-surface: #FFFFFF;
  --bg-tint: #E9F3F1;
  --bg-dark: #0B4F47;
  --ink-normal: #1F2937;
  --ink-muted: #4B5563;
  --ink-light: #9CA3AF;
  --border-light: #E2E8E5;
  --shadow-card: 0 12px 30px -12px rgba(15,118,110,0.18);
  --shadow-hover: 0 20px 40px -14px rgba(15,118,110,0.28);
  --shadow-cta: 0 16px 40px -16px rgba(15,118,110,0.45);
  --radius-large: 20px;
  --radius-medium: 16px;
  --radius-small: 12px;
  --radius-pill: 999px;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink-normal);
  background: var(--bg-page);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: all 0.2s ease; }
button { font-family: inherit; cursor: pointer; border: none; background: none; font-size: inherit; }
ul, ol { list-style: none; }

/* ===== Layout ===== */
.app-main {
  margin-left: 240px;
  min-height: 100vh;
}
.container-custom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Sidebar ===== */
.app-sidebar {
  position: fixed;
  left: 0; top: 0; bottom: 0;
  width: 240px;
  background: var(--bg-surface);
  border-right: 1px solid var(--border-light);
  z-index: 200;
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
  transition: transform 0.3s ease;
}
.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  margin-bottom: 32px;
  border-radius: var(--radius-small);
}
.sidebar-logo-icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--gradient-brand);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 18px; font-weight: 800;
  box-shadow: 0 6px 16px -6px rgba(15,118,110,0.5);
}
.sidebar-logo-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--ink-normal);
  letter-spacing: -0.3px;
  white-space: nowrap;
}
.sidebar-nav {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-small);
  color: var(--ink-muted);
  font-weight: 500;
  font-size: 15px;
  transition: all 0.2s ease;
  border-left: 3px solid transparent;
}
.sidebar-nav a i {
  width: 20px;
  text-align: center;
  font-size: 16px;
}
.sidebar-nav a:hover {
  background: rgba(15, 118, 110, 0.06);
  color: var(--brand-primary);
}
.sidebar-nav a.active {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: var(--shadow-card);
  border-left-color: var(--accent-gold);
}
.sidebar-bottom {
  padding-top: 16px;
  border-top: 1px solid var(--border-light);
}
.sidebar-bottom .btn-cta-sidebar {
  display: block;
  width: 100%;
  padding: 14px 20px;
  border-radius: var(--radius-small);
  background: var(--gradient-cta);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  text-align: center;
  transition: all 0.2s ease;
  box-shadow: 0 6px 16px -6px rgba(249,115,80,0.4);
}
.sidebar-bottom .btn-cta-sidebar:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px -8px rgba(249,115,80,0.55);
}
.sidebar-bottom .btn-cta-sidebar:active {
  transform: translateY(0);
}

/* ===== Mobile Topbar ===== */
.mobile-topbar {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 60px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-light);
  z-index: 300;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.mobile-logo {
  font-size: 18px;
  font-weight: 800;
  color: var(--ink-normal);
}
.mobile-menu-btn {
  width: 40px; height: 40px;
  border-radius: var(--radius-small);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-normal);
  font-size: 18px;
  background: var(--bg-tint);
  transition: all 0.2s ease;
}
.mobile-menu-btn:hover { background: rgba(15,118,110,0.15); }
.mobile-menu-btn:focus { outline: 2px solid var(--brand-secondary); }

/* ===== Mobile Drawer ===== */
.mobile-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.4);
  z-index: 400;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.mobile-overlay.show { display: block; opacity: 1; }
.mobile-drawer {
  display: none;
  position: fixed;
  top: 0; right: 0; bottom: 0;
  width: 280px;
  max-width: 85vw;
  background: var(--bg-surface);
  z-index: 500;
  padding: 20px;
  transform: translateX(100%);
  transition: transform 0.3s ease;
  box-shadow: -12px 0 30px rgba(0,0,0,0.1);
}
.mobile-drawer.open { transform: translateX(0); }
.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}
.drawer-logo { font-size: 18px; font-weight: 800; color: var(--ink-normal); }
.drawer-close {
  width: 36px; height: 36px;
  border-radius: var(--radius-small);
  display: flex; align-items: center; justify-content: center;
  background: var(--bg-tint);
  color: var(--ink-muted);
  font-size: 15px;
  transition: all 0.2s ease;
}
.drawer-close:hover { background: rgba(15,118,110,0.15); color: var(--brand-primary); }
.drawer-nav { display: flex; flex-direction: column; gap: 4px; }
.drawer-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 12px;
  border-radius: var(--radius-small);
  color: var(--ink-muted);
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: all 0.2s ease;
}
.drawer-nav a:hover { background: rgba(15,118,110,0.06); color: var(--brand-primary); }
.drawer-nav a.active {
  background: var(--gradient-brand);
  color: #fff;
  border-left-color: var(--accent-gold);
}

/* ===== Hero ===== */
.hero-section {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 24px;
  min-height: calc(100vh - 48px);
  background: radial-gradient(ellipse at 20% 20%, rgba(20,184,166,0.08) 0%, transparent 50%),
              radial-gradient(ellipse at 80% 80%, rgba(212,167,44,0.08) 0%, transparent 50%),
              var(--bg-page);
}
.hero-card {
  width: min(540px, 100%);
  height: calc(100vh - 64px);
  min-height: 600px;
  max-height: 860px;
  border-radius: 28px;
  overflow: hidden;
  position: relative;
  background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  text-align: center;
  color: #fff;
  box-shadow: var(--shadow-cta);
}
.hero-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(180deg, rgba(11,79,71,0.1) 0%, rgba(11,79,71,0.6) 60%, rgba(11,79,71,0.88) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  padding: 32px 28px 36px;
  width: 100%;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: rgba(255,255,255,0.18);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.28);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
}
.hero-title {
  font-size: clamp(30px, 2.6vw, 38px);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 14px;
  text-shadow: 0 2px 12px rgba(0,0,0,0.3);
}
.hero-sub {
  font-size: 15px;
  line-height: 1.6;
  color: rgba(255,255,255,0.9);
  margin-bottom: 30px;
  max-width: 380px;
  margin-left: auto;
  margin-right: auto;
}
.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 32px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 54px;
  padding: 0 30px;
  border-radius: var(--radius-small);
  background: var(--gradient-cta);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  transition: all 0.25s ease;
  box-shadow: 0 8px 20px -8px rgba(249,115,80,0.5);
}
.btn-primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 12px 28px -8px rgba(249,115,80,0.6);
}
.btn-primary:active { transform: translateY(0) scale(0.98); }
.btn-primary:focus { outline: 3px solid rgba(255,255,255,0.4); }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 54px;
  padding: 0 26px;
  border-radius: var(--radius-small);
  background: rgba(255,255,255,0.14);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,0.35);
  color: #fff;
  font-weight: 500;
  font-size: 15px;
  transition: all 0.25s ease;
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.24);
  border-color: rgba(255,255,255,0.5);
  transform: translateY(-2px);
}
.btn-ghost:active { transform: translateY(0); }
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  border-top: 1px solid rgba(255,255,255,0.25);
  padding-top: 26px;
}
.stat-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(212,167,44,0.5);
  backdrop-filter: blur(6px);
  font-size: 13px;
  transition: all 0.2s ease;
}
.stat-badge:hover {
  background: rgba(255,255,255,0.24);
  transform: translateY(-2px);
}
.stat-badge .stat-num {
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  font-variant-numeric: tabular-nums;
}
.stat-badge .stat-unit {
  font-size: 12px;
  color: rgba(255,255,255,0.85);
}

/* ===== Section Common ===== */
.section-block {
  padding: 80px 24px;
}
.section-head {
  margin-bottom: 48px;
  max-width: 720px;
}
.section-tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  background: var(--bg-tint);
  border: 1px solid rgba(15,118,110,0.2);
  color: var(--brand-primary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(24px, 2.4vw, 34px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink-normal);
  margin-bottom: 8px;
}
.section-desc {
  font-size: 15px;
  color: var(--ink-muted);
  line-height: 1.6;
  max-width: 560px;
}

/* ===== Trending Cards (爆款片段卡) ===== */
.trending-section {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
  padding: 80px 24px;
}
.trending-track-wrap {
  position: relative;
}
.trending-track {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  padding-bottom: 12px;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.trending-track::-webkit-scrollbar { display: none; }
.trending-card {
  flex: 0 0 300px;
  scroll-snap-align: start;
  border-radius: var(--radius-medium);
  overflow: hidden;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  box-shadow: 0 4px 12px rgba(0,0,0,0.04);
  transition: all 0.3s ease;
}
.trending-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.trending-img {
  position: relative;
  aspect-ratio: 4/5;
  overflow: hidden;
}
.trending-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.trending-card:hover .trending-img img {
  transform: scale(1.04);
}
.trending-img::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 60%;
  background: linear-gradient(180deg, transparent 0%, rgba(11,79,71,0.55) 100%);
}
.trending-badge {
  position: absolute;
  top: 12px; left: 12px;
  z-index: 2;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--gradient-brand);
  border: 1px solid rgba(212,167,44,0.4);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
.trending-body {
  padding: 16px;
  position: relative;
  z-index: 2;
}
.trending-body h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-normal);
  line-height: 1.4;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.trending-body p {
  font-size: 13px;
  color: var(--ink-muted);
  line-height: 1.5;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.trending-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-light);
  padding-top: 10px;
}
.trending-cat {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: var(--bg-tint);
  color: var(--brand-primary);
  font-weight: 500;
}
.trending-data {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--ink-muted);
}
.trending-data i {
  color: var(--accent-coral);
}

/* ===== Featured List (种草清单) ===== */
.featured-section { padding: 80px 24px; }
.featured-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
  margin-bottom: 48px;
  background: var(--bg-surface);
  border-radius: var(--radius-large);
  overflow: hidden;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
}
.featured-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.featured-item.flip .featured-img { order: 2; }
.featured-item.flip .featured-body { order: 1; padding-left: 40px; padding-right: 24px; }
.featured-img {
  height: 100%;
  min-height: 280px;
  overflow: hidden;
  position: relative;
}
.featured-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.featured-item:hover .featured-img img { transform: scale(1.03); }
.featured-body {
  padding: 32px;
}
.featured-number {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-gold);
  margin-bottom: 8px;
  letter-spacing: 1px;
}
.featured-body h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--ink-normal);
  margin-bottom: 12px;
  line-height: 1.35;
}
.featured-body > p {
  font-size: 15px;
  color: var(--ink-muted);
  line-height: 1.65;
  margin-bottom: 18px;
}
.featured-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}
.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--bg-tint);
  border: 1px solid rgba(15,118,110,0.16);
  color: var(--brand-primary);
  font-size: 13px;
  font-weight: 500;
}
.tag-pill.gold {
  background: rgba(212,167,44,0.12);
  border-color: rgba(212,167,44,0.3);
  color: #B8860B;
}
.featured-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--brand-primary);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s ease;
}
.featured-link:hover {
  color: var(--bg-dark);
  gap: 12px;
}

/* ===== Testimonials ===== */
.testimonials-section {
  background: var(--bg-tint);
  border-top: 1px solid rgba(15,118,110,0.1);
  border-bottom: 1px solid rgba(15,118,110,0.1);
  padding: 80px 24px;
  overflow: hidden;
}
.testimonials-track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding-bottom: 16px;
  scrollbar-width: thin;
  scrollbar-color: var(--brand-secondary) transparent;
  scroll-snap-type: x proximity;
}
.testimonials-track::-webkit-scrollbar { height: 6px; }
.testimonials-track::-webkit-scrollbar-thumb { background: var(--brand-secondary); border-radius: 6px; }
.testimonial-card {
  flex: 0 0 340px;
  max-width: 340px;
  background: var(--bg-surface);
  border-radius: var(--radius-medium);
  padding: 24px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.05);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(15,118,110,0.1);
  transition: all 0.3s ease;
}
.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
  border-color: rgba(15,118,110,0.25);
}
.testimonial-quote {
  color: var(--accent-gold);
  font-size: 32px;
  line-height: 1;
  margin-bottom: 12px;
}
.testimonial-card blockquote {
  font-size: 14px;
  line-height: 1.65;
  color: var(--ink-muted);
  flex: 1;
  border: none;
  padding: 0;
  margin: 0 0 16px;
}
.testimonial-footer {
  display: flex;
  align-items: center;
  gap: 10px;
  border-top: 1px solid var(--border-light);
  padding-top: 14px;
}
.testimonial-avatar {
  width: 38px; height: 38px;
  border-radius: var(--radius-pill);
  background: var(--gradient-brand);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 600; font-size: 14px;
}
.testimonial-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-normal);
}
.testimonial-date {
  font-size: 12px;
  color: var(--ink-light);
  margin-left: auto;
}
.verified-badge {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  background: rgba(212,167,44,0.15);
  border: 1px solid rgba(212,167,44,0.35);
  color: #B8860B;
  font-weight: 500;
  white-space: nowrap;
}

/* ===== News / CMS ===== */
.news-section { padding: 80px 24px; }
.news-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
  align-items: start;
}
.news-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.news-item {
  display: block;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-small);
  padding: 20px 24px;
  transition: all 0.25s ease;
  box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}
.news-item:hover {
  box-shadow: var(--shadow-card);
  border-color: rgba(15,118,110,0.3);
  transform: translateY(-2px);
}
.news-item-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.news-cat-badge {
  font-size: 12px;
  font-weight: 500;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: var(--gradient-brand);
  color: #fff;
}
.news-time {
  font-size: 12px;
  color: var(--ink-light);
}
.news-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-normal);
  line-height: 1.5;
  margin-bottom: 6px;
  transition: all 0.2s ease;
}
.news-item:hover .news-title { color: var(--brand-primary); }
.news-desc {
  font-size: 13px;
  color: var(--ink-muted);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-empty {
  border: 2px dashed var(--border-light);
  border-radius: var(--radius-medium);
  padding: 48px 24px;
  text-align: center;
  background: var(--bg-tint);
  color: var(--ink-muted);
}
.news-empty i {
  font-size: 32px;
  color: var(--ink-light);
  margin-bottom: 12px;
  display: block;
}
.news-empty p { font-size: 15px; }
.news-sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.side-card {
  background: var(--bg-surface);
  border-radius: var(--radius-medium);
  padding: 24px;
  border: 1px solid var(--border-light);
  box-shadow: 0 4px 12px rgba(0,0,0,0.03);
}
.side-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink-normal);
  margin-bottom: 12px;
}
.side-card ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.side-card ul li a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--radius-small);
  color: var(--ink-muted);
  font-size: 14px;
  transition: all 0.2s ease;
}
.side-card ul li a:hover {
  background: var(--bg-tint);
  color: var(--brand-primary);
  transform: translateX(4px);
}
.side-subscribe {
  background: var(--gradient-brand);
  color: #fff;
  border: none;
  box-shadow: var(--shadow-card);
}
.side-subscribe h3 { color: #fff; }
.side-subscribe p {
  font-size: 14px;
  color: rgba(255,255,255,0.85);
  margin-bottom: 16px;
}
.subscribe-form {
  display: flex;
  gap: 8px;
}
.subscribe-form input {
  flex: 1;
  height: 44px;
  border-radius: var(--radius-small);
  border: 1px solid rgba(255,255,255,0.35);
  background: rgba(255,255,255,0.15);
  padding: 0 14px;
  color: #fff;
  font-size: 14px;
  outline: none;
  transition: all 0.2s ease;
}
.subscribe-form input::placeholder { color: rgba(255,255,255,0.7); }
.subscribe-form input:focus {
  border-color: #fff;
  background: rgba(255,255,255,0.22);
}
.subscribe-btn {
  height: 44px;
  padding: 0 18px;
  border-radius: var(--radius-small);
  background: var(--accent-gold);
  color: #fff;
  font-weight: 600;
  font-size: 14px;
  transition: all 0.2s ease;
  white-space: nowrap;
}
.subscribe-btn:hover {
  background: #C8962B;
  transform: translateY(-2px);
}

/* ===== CTA ===== */
.cta-section { padding: 40px 24px 80px; }
.cta-box {
  background: var(--gradient-brand);
  border-radius: 28px;
  padding: 56px 40px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-cta);
}
.cta-box::before {
  content: '';
  position: absolute;
  top: -40%;
  right: -20%;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
}
.cta-box::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: rgba(212,167,44,0.2);
}
.cta-title {
  font-size: clamp(24px, 2.6vw, 34px);
  font-weight: 800;
  margin-bottom: 16px;
  position: relative;
  z-index: 2;
}
.cta-desc {
  font-size: 16px;
  color: rgba(255,255,255,0.9);
  max-width: 460px;
  margin: 0 auto 32px;
  position: relative;
  z-index: 2;
}
.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
  margin-bottom: 36px;
  position: relative;
  z-index: 2;
}
.cta-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 56px;
  padding: 0 36px;
  border-radius: var(--radius-small);
  background: var(--bg-surface);
  color: var(--brand-primary);
  font-weight: 700;
  font-size: 16px;
  transition: all 0.25s ease;
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}
.cta-btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 16px 30px rgba(0,0,0,0.25);
}
.cta-btn-primary:active { transform: translateY(0) scale(0.98); }
.cta-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 56px;
  padding: 0 32px;
  border-radius: var(--radius-small);
  background: transparent;
  border: 1px solid rgba(255,255,255,0.5);
  color: #fff;
  font-weight: 500;
  font-size: 16px;
  transition: all 0.25s ease;
}
.cta-btn-secondary:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.8);
  transform: translateY(-2px);
}
.cta-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  position: relative;
  z-index: 2;
}
.cta-stat-item {
  padding: 10px 22px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(212,167,44,0.5);
  background: rgba(255,255,255,0.12);
  font-size: 14px;
}
.cta-stat-item b {
  font-size: 20px;
  display: block;
  font-variant-numeric: tabular-nums;
}
.cta-risk {
  margin-top: 32px;
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  position: relative;
  z-index: 2;
}

/* ===== Footer ===== */
.app-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.8);
  padding: 60px 24px 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  max-width: 1200px;
  margin: 0 auto 40px;
}
.footer-brand .footer-logo {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-brand .footer-logo i {
  color: var(--accent-gold);
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,0.65);
  max-width: 320px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}
.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-col ul a {
  font-size: 14px;
  color: rgba(255,255,255,0.65);
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.footer-col ul a:hover {
  color: var(--accent-gold);
  transform: translateX(4px);
}
.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  gap: 12px;
}

/* ===== Utility ===== */
.text-center { text-align: center; }
.hidden { display: none !important; }

/* ===== Responsive ===== */
@media (max-width: 1023px) {
  .app-sidebar { display: none; }
  .app-main { margin-left: 0; padding-top: 60px; }
  .mobile-topbar { display: flex; }
  .mobile-drawer, .mobile-overlay { display: block; }
  
  /* 抽屉打开时显示，默认位移 */
  .mobile-drawer { transform: translateX(100%); }
  .mobile-drawer.open { transform: translateX(0); }
  
  .hero-section { min-height: calc(100vh - 60px); padding: 20px 16px; }
  .hero-card { width: 100%; height: calc(100vh - 90px); min-height: 520px; }
  
  .section-block { padding: 60px 16px; }
  .trending-section { padding: 60px 16px; }
  .featured-section { padding: 60px 16px; }
  .testimonials-section { padding: 60px 16px; }
  .news-section { padding: 60px 16px; }
  
  .news-row { grid-template-columns: 1fr; row-gap: 24px; }
  
  .featured-item { grid-template-columns: 1fr; }
  .featured-item.flip .featured-img { order: 1; }
  .featured-item.flip .featured-body { order: 2; padding-left: 32px; }
  .featured-img { min-height: 220px; }
  
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 767px) {
  .section-title { font-size: 24px; }
  .section-desc { font-size: 14px; }
  .hero-card { border-radius: 20px; }
  .hero-content { padding: 24px 20px 28px; }
  .hero-stats { flex-direction: column; align-items: center; }
  .hero-buttons .btn-primary,
  .hero-buttons .btn-ghost { width: 100%; }
  
  .trending-card { flex: 0 0 240px; }
  
  .featured-item { border-radius: var(--radius-medium); }
  .featured-body { padding: 24px; }
  
  .testimonial-card { flex: 0 0 280px; }
  
  .news-item { padding: 16px 18px; }
  
  .cta-box { padding: 40px 20px; border-radius: 20px; }
  .cta-buttons .cta-btn-primary,
  .cta-buttons .cta-btn-secondary { width: 100%; }
  
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* Foundation overrides - keep grid but reset components */
.button {
  border: none;
  box-shadow: none;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}
input, textarea, select {
  font-family: inherit;
}
.row {
  margin-left: auto;
  margin-right: auto;
}
.columns, .column {
  padding-left: 0;
  padding-right: 0;
}

/* roulang page: category1 */
:root{
  --brand-primary:#0F766E;
  --brand-secondary:#14B8A6;
  --accent-gold:#D4A72C;
  --accent-coral:#F97350;
  --gradient-brand:135deg,#0F766E 0%,#14B8A6 100%;
  --gradient-cta:135deg,#F97350 0%,#D4A72C 100%;
  --bg-page:#F7F9F8;
  --bg-surface:#FFFFFF;
  --bg-tint:#E9F3F1;
  --ink-normal:#1F2937;
  --ink-muted:#4B5563;
  --border-light:#E2E8E5;
  --shadow-card:0 12px 30px -12px rgba(15,118,110,0.18);
  --shadow-cta:0 16px 40px -16px rgba(15,118,110,0.45);
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-normal);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{text-decoration:none;color:inherit;transition:color .2s ease}
button,input,textarea,select{font-family:inherit;font-size:inherit}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.icon{display:inline-flex;align-items:center;justify-content:center}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 28px;border-radius:12px;
  font-weight:600;font-size:15px;border:none;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.btn-primary{
  background:linear-gradient(var(--gradient-brand));
  color:#fff;box-shadow:0 8px 24px -8px rgba(15,118,110,0.4);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px -10px rgba(15,118,110,0.55)}
.btn-primary:active{transform:translateY(0)}
.btn-secondary{
  background:#fff;color:var(--brand-primary);
  border:1px solid var(--brand-primary);
}
.btn-secondary:hover{background:rgba(15,118,110,0.05);box-shadow:0 8px 20px -10px rgba(15,118,110,0.25)}
.btn-white{
  background:#fff;color:var(--brand-primary);box-shadow:0 8px 24px -8px rgba(0,0,0,0.18);
}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 14px 32px -10px rgba(0,0,0,0.25)}
.btn-lg{height:56px;padding:0 36px;border-radius:14px;font-size:16px}
.btn-block{width:100%}
button:focus-visible,a:focus-visible{outline:3px solid rgba(20,184,166,0.4);outline-offset:2px}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;
  font-size:13px;font-weight:500;line-height:1.4;
}
.badge-gold{
  background:rgba(212,167,44,0.14);color:#8A6A10;
  border:1px solid rgba(212,167,44,0.4);
}
.badge-green{
  background:rgba(15,118,110,0.08);color:var(--brand-primary);
  border:1px solid rgba(15,118,110,0.2);
}
.badge-hot{
  background:linear-gradient(135deg,#F97350,#D4A72C);
  color:#fff;font-weight:600;
  box-shadow:0 4px 14px -4px rgba(249,115,80,0.5);
}
.badge-onpic{
  position:absolute;top:14px;left:14px;z-index:2;
}

/* 数据徽章 */
.stat-chip{
  display:inline-flex;flex-direction:column;
  background:rgba(255,255,255,0.82);
  border:1px solid rgba(212,167,44,0.5);
  border-radius:16px;
  padding:14px 22px;
  backdrop-filter:blur(4px);
  text-align:center;
}
.stat-chip .stat-num{
  font-size:28px;font-weight:800;color:var(--brand-primary);
  font-feature-settings:"tnum";line-height:1.25;
}
.stat-chip .stat-label{
  font-size:12px;color:var(--ink-muted);margin-top:2px;
}

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

/* 左侧导航 */
.sidebar{
  width:240px;background:#0B4F47;
  display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;z-index:100;
  transition:width .3s ease;
}
.sidebar-logo{
  display:flex;align-items:center;gap:10px;
  padding:26px 22px 20px;color:#fff;
}
.sidebar-logo .logo-icon{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(160deg,#14B8A6,#D4A72C);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;flex-shrink:0;
}
.sidebar-logo .logo-text{font-weight:800;font-size:18px;letter-spacing:.5px;white-space:nowrap}
.sidebar-nav{
  display:flex;flex-direction:column;padding:16px 12px;flex:1;
}
.sidebar-nav a{
  display:flex;align-items:center;gap:12px;
  padding:12px 14px;border-radius:12px;
  color:rgba(255,255,255,0.78);font-size:15px;font-weight:500;
  margin-bottom:4px;position:relative;
  transition:background .2s ease,color .2s ease;
}
.sidebar-nav a i{width:20px;text-align:center;font-size:16px;flex-shrink:0}
.sidebar-nav a:hover{background:rgba(255,255,255,0.08);color:#fff}
.sidebar-nav a.active{
  background:linear-gradient(135deg,rgba(20,184,166,0.25),rgba(15,118,110,0.2));
  color:#fff;font-weight:600;
}
.sidebar-nav a.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:22px;border-radius:0 4px 4px 0;
  background:linear-gradient(180deg,#14B8A6,#D4A72C);
}
.sidebar-cta{
  padding:16px 20px 24px;
}
.sidebar-cta .btn{
  width:100%;height:46px;font-size:14px;
  background:linear-gradient(var(--gradient-cta));color:#fff;
  border-radius:12px;box-shadow:0 8px 20px -8px rgba(249,115,80,0.4);
}
.sidebar-cta .btn:hover{transform:translateY(-2px);box-shadow:0 12px 28px -8px rgba(249,115,80,0.5)}

.main-area{
  flex:1;margin-left:240px;display:flex;flex-direction:column;
  min-width:0;transition:margin-left .3s ease;
}

/* 移动端顶栏 */
.mobile-header{
  display:none;align-items:center;justify-content:space-between;
  position:sticky;top:0;z-index:90;
  background:rgba(11,79,71,0.96);backdrop-filter:blur(8px);
  padding:0 20px;height:60px;color:#fff;
  box-shadow:0 4px 16px -8px rgba(0,0,0,0.2);
}
.mobile-header .logo-row{display:flex;align-items:center;gap:10px}
.mobile-header .logo-icon{width:30px;height:30px;border-radius:8px;background:linear-gradient(160deg,#14B8A6,#D4A72C);display:flex;align-items:center;justify-content:center;font-size:14px}
.mobile-header .logo-text{font-weight:800;font-size:16px}
.menu-toggle{
  width:44px;height:44px;border-radius:10px;
  background:rgba(255,255,255,0.12);border:none;color:#fff;
  font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center;
}
.menu-toggle:hover{background:rgba(255,255,255,0.2)}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;top:0;bottom:0;left:0;width:300px;z-index:200;
  background:#fff;box-shadow:4px 0 30px rgba(0,0,0,0.12);
  transform:translateX(-100%);transition:transform .3s ease;
  display:flex;flex-direction:column;
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-top{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px;background:var(--bg-tint);border-bottom:1px solid var(--border-light);
}
.drawer-top .drawer-logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--brand-primary);font-size:17px}
.drawer-close{
  width:38px;height:38px;border-radius:10px;border:none;
  background:rgba(15,118,110,0.08);color:var(--brand-primary);
  font-size:16px;cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;padding:20px 16px;flex:1}
.drawer-nav a{
  display:flex;align-items:center;gap:12px;
  padding:14px 16px;border-radius:12px;margin-bottom:6px;
  color:var(--ink-normal);font-size:15px;font-weight:500;
}
.drawer-nav a i{width:20px;text-align:center;color:var(--brand-primary)}
.drawer-nav a:hover{background:var(--bg-tint)}
.drawer-nav a.active{background:var(--bg-tint);color:var(--brand-primary);font-weight:600;border-left:3px solid var(--brand-primary)}
.drawer-footer{padding:20px;border-top:1px solid var(--border-light)}

/* Hero */
.page-hero{
  position:relative;
  background:linear-gradient(160deg,rgba(15,118,110,0.92),rgba(20,184,166,0.78)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:#fff;padding:72px 0 84px;overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;
  border-radius:50%;background:rgba(212,167,44,0.12);
}
.hero-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;gap:64px;
}
.hero-left{flex:1.2;}
.hero-right{flex:1;}
.hero-left .crumb{
  display:flex;align-items:center;gap:8px;font-size:14px;
  color:rgba(255,255,255,0.7);margin-bottom:20px;
}
.hero-left .crumb a{color:rgba(255,255,255,0.85)}
.hero-left .crumb a:hover{color:#fff;text-decoration:underline}
.hero-left .crumb .sep{color:rgba(255,255,255,0.4)}
.hero-left h1{
  font-size:clamp(32px,5vw,52px);font-weight:800;line-height:1.2;
  margin:16px 0 18px;letter-spacing:.5px;
}
.hero-left h1 .accent{
  background:linear-gradient(135deg,#F6D47A,#D4A72C);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-left p{
  font-size:16px;line-height:1.75;color:rgba(255,255,255,0.9);
  max-width:520px;margin-bottom:28px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:12px;margin-top:34px;flex-wrap:wrap}
.hero-right .hero-img-wrap{
  position:relative;border-radius:24px;overflow:hidden;
  box-shadow:0 24px 48px -16px rgba(0,0,0,0.3);
}
.hero-right .hero-img-wrap img{
  width:100%;height:380px;object-fit:cover;
}
.hero-right .hero-img-wrap::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(11,79,71,0.4));
}
.hero-img-tag{
  position:absolute;bottom:16px;left:16px;z-index:2;
  background:rgba(255,255,255,0.92);color:var(--brand-primary);
  padding:8px 16px;border-radius:999px;font-size:13px;font-weight:600;
  backdrop-filter:blur(4px);
}

/* 数据概览 */
.stats-section{padding:56px 0 72px}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.stat-card{
  background:var(--bg-surface);border-radius:16px;padding:24px 20px;
  border:1px solid var(--border-light);box-shadow:var(--shadow-card);
  text-align:center;
  transition:transform .25s ease,box-shadow .25s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px -16px rgba(15,118,110,0.3)}
.stat-card .num{
  font-size:38px;font-weight:800;color:var(--brand-primary);
  font-feature-settings:"tnum";line-height:1.2;
}
.stat-card .unit{font-size:15px;font-weight:600;color:var(--ink-muted);margin-left:2px}
.stat-card .desc{margin-top:8px;font-size:14px;color:var(--ink-muted)}

/* 板块标题 */
.section-head{
  text-align:center;margin-bottom:48px;
}
.section-tag{
  display:inline-block;padding:5px 16px;border-radius:999px;
  background:rgba(15,118,110,0.08);color:var(--brand-primary);
  font-size:13px;font-weight:600;margin-bottom:14px;
  border:1px solid rgba(15,118,110,0.15);
}
.section-head h2{
  font-size:clamp(24px,3vw,34px);font-weight:700;color:var(--ink-normal);
  line-height:1.3;
}
.section-head p{
  max-width:640px;margin:14px auto 0;color:var(--ink-muted);font-size:15px;
}

/* 热门方向 错落大卡 */
.directions-section{padding:0 0 80px}
.direction-card{
  display:flex;flex-direction:row;background:var(--bg-surface);
  border-radius:20px;overflow:hidden;
  border:1px solid var(--border-light);box-shadow:var(--shadow-card);
  margin-bottom:32px;transition:transform .3s ease,box-shadow .3s ease;
}
.direction-card:hover{transform:translateY(-4px);box-shadow:0 20px 44px -16px rgba(15,118,110,0.28)}
.direction-card:nth-child(even){flex-direction:row-reverse}
.direction-img{
  flex:1;min-height:280px;overflow:hidden;position:relative;
}
.direction-img img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.direction-card:hover .direction-img img{transform:scale(1.03)}
.direction-img::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,transparent 60%,rgba(15,118,110,0.12));
}
.direction-card:nth-child(even) .direction-img::after{
  background:linear-gradient(270deg,transparent 60%,rgba(15,118,110,0.12));
}
.direction-body{
  flex:1;padding:40px;display:flex;flex-direction:column;justify-content:center;
}
.direction-body .dir-index{
  display:flex;align-items:center;gap:10px;margin-bottom:14px;
}
.dir-index .idx{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,#0F766E,#14B8A6);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;
}
.dir-index .line{width:42px;height:2px;background:linear-gradient(90deg,#14B8A6,#D4A72C);border-radius:2px}
.direction-body h3{font-size:22px;font-weight:700;color:var(--ink-normal);margin-bottom:12px}
.direction-body p{color:var(--ink-muted);font-size:15px;line-height:1.75;margin-bottom:18px}
.direction-tags{display:flex;gap:8px;flex-wrap:wrap}
.direction-tags .badge{background:var(--bg-tint);color:var(--brand-primary);border:none}

/* 流程 */
.process-section{background:var(--bg-tint);padding:72px 0}
.process-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  margin-top:48px;
}
.process-card{
  background:var(--bg-surface);border-radius:16px;padding:30px 24px;
  box-shadow:var(--shadow-card);text-align:center;position:relative;
  transition:transform .25s ease;
}
.process-card:hover{transform:translateY(-4px)}
.process-card .step-no{
  display:inline-flex;width:44px;height:44px;border-radius:50%;
  background:linear-gradient(160deg,#F97350,#D4A72C);color:#fff;
  align-items:center;justify-content:center;font-weight:800;font-size:18px;
  margin-bottom:16px;box-shadow:0 8px 20px -8px rgba(249,115,80,0.4);
}
.process-card h3{font-size:17px;font-weight:700;margin-bottom:10px}
.process-card p{font-size:14px;color:var(--ink-muted);line-height:1.6}
.process-card::after{
  content:"→";position:absolute;top:50%;right:-18px;transform:translateY(-50%);
  font-size:20px;color:var(--accent-gold);z-index:3;
}
.process-card:last-child::after{display:none}

/* 热门推荐 */
.hot-section{padding:72px 0 80px;background:var(--bg-surface)}
.hot-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  margin-top:24px;
}
.hot-card{
  border-radius:20px;overflow:hidden;
  border:1px solid var(--border-light);box-shadow:var(--shadow-card);
  background:#fff;transition:transform .3s ease,box-shadow .3s ease;
  display:flex;flex-direction:column;
}
.hot-card:hover{transform:translateY(-5px);box-shadow:0 22px 46px -18px rgba(15,118,110,0.35)}
.hot-card-img{
  position:relative;overflow:hidden;aspect-ratio:4/3;
}
.hot-card-img img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .45s ease;
}
.hot-card:hover .hot-card-img img{transform:scale(1.05)}
.hot-card-img::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 50%,rgba(11,79,71,0.35));
}
.hot-card-body{padding:20px;flex:1;display:flex;flex-direction:column}
.hot-card-body .badge{align-self:flex-start;margin-bottom:10px}
.hot-card-body h3{font-size:17px;font-weight:700;color:var(--ink-normal);line-height:1.45;margin-bottom:8px}
.hot-card-body p{font-size:13px;color:var(--ink-muted);line-height:1.6;flex:1}
.hot-card-foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:14px;padding-top:14px;border-top:1px solid var(--border-light);
}
.hot-metric{
  display:flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-muted);
}
.hot-metric .heat{
  color:var(--accent-gold);font-weight:700;font-feature-settings:"tnum";
}
.hot-more{
  color:var(--brand-primary);font-size:14px;font-weight:600;
  display:inline-flex;align-items:center;gap:4px;
}
.hot-more:hover{gap:8px;color:var(--brand-secondary)}

/* FAQ */
.faq-section{padding:72px 0}
.faq-wrap{max-width:800px;margin:32px auto 0}
.accordion-item{
  background:var(--bg-surface);border-radius:14px;
  border:1px solid var(--border-light);
  margin-bottom:14px;overflow:hidden;
  transition:border-color .3s ease,box-shadow .3s ease;
}
.accordion-item:hover{border-color:rgba(15,118,110,0.3)}
.accordion-item.is-active{
  border-color:var(--brand-primary);box-shadow:0 8px 24px -12px rgba(15,118,110,0.2);
}
.accordion-title{
  display:block;padding:20px 24px;font-weight:600;font-size:16px;
  color:var(--ink-normal);position:relative;
  display:flex;align-items:center;justify-content:space-between;
}
.accordion-title::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  color:var(--brand-primary);transition:transform .3s ease;
}
.accordion-item.is-active .accordion-title::after{transform:rotate(180deg)}
.accordion-title:hover{color:var(--brand-primary)}
.accordion-content{padding:0 24px 20px;color:var(--ink-muted);font-size:15px;line-height:1.75}

/* CTA */
.cta-section{padding:0 24px 80px}
.cta-banner{
  background:linear-gradient(160deg,#0F766E,#14B8A6);
  border-radius:24px;padding:56px 48px;
  position:relative;overflow:hidden;
  box-shadow:0 24px 60px -20px rgba(15,118,110,0.5);
}
.cta-banner::before{
  content:"";position:absolute;right:-80px;top:-80px;
  width:260px;height:260px;border-radius:50%;
  background:rgba(212,167,44,0.15);
}
.cta-banner::after{
  content:"";position:absolute;left:-40px;bottom:-100px;
  width:200px;height:200px;border-radius:50%;
  background:rgba(255,255,255,0.06);
}
.cta-inner{position:relative;z-index:2;text-align:center}
.cta-inner h2{color:#fff;font-size:clamp(24px,3.4vw,36px);font-weight:800;margin-bottom:12px}
.cta-inner p{color:rgba(255,255,255,0.9);font-size:16px;margin-bottom:28px}
.cta-stats{
  display:flex;justify-content:center;gap:16px;flex-wrap:wrap;margin-bottom:32px;
}
.cta-stats .stat-chip{
  background:rgba(255,255,255,0.14);border-color:rgba(212,167,44,0.4);
}
.cta-stats .stat-num{color:#fff}
.cta-stats .stat-label{color:rgba(255,255,255,0.8)}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}

/* Footer */
.app-footer{
  background:#0B4F47;color:rgba(255,255,255,0.82);
  padding:56px 24px 24px;
}
.footer-grid{
  max-width:1200px;margin:0 auto;
  display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;
}
.footer-brand .footer-logo{
  display:flex;align-items:center;gap:10px;
  font-size:20px;font-weight:800;color:#fff;margin-bottom:14px;
}
.footer-brand .footer-logo .logo-icon{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(160deg,#14B8A6,#D4A72C);
  display:flex;align-items:center;justify-content:center;font-size:15px;
}
.footer-brand p{font-size:14px;line-height:1.7;max-width:360px}
.footer-col h4{
  color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;
}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{
  font-size:14px;color:rgba(255,255,255,0.72);
  transition:color .2s ease;
}
.footer-col ul a:hover{color:#F6D47A;text-decoration:underline}
.footer-bottom{
  max-width:1200px;margin:48px auto 0;padding-top:24px;
  border-top:1px solid rgba(255,255,255,0.12);
  display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,0.6);
}

/* 响应式 */
@media (min-width:1024px){
  .sidebar{display:flex}
  .mobile-header{display:none}
}
@media (min-width:768px) and (max-width:1023px){
  .sidebar{width:88px}
  .sidebar-logo{justify-content:center;padding:22px 0 16px}
  .sidebar-logo .logo-text,.sidebar-nav a .nav-text{display:none}
  .sidebar-nav a{justify-content:center;padding:14px 0}
  .sidebar-cta{padding:8px 0 16px}
  .sidebar-cta .btn{width:52px;height:52px;border-radius:14px;margin:0 auto;padding:0;font-size:16px}
  .sidebar-cta .btn .link-text{display:none}
  .main-area{margin-left:88px}
}
@media (max-width:767px){
  .sidebar{display:none}
  .main-area{margin-left:0}
  .mobile-header{display:flex}
  .page-hero{padding:44px 0 56px}
  .hero-inner{flex-direction:column;gap:36px}
  .hero-left{flex:none}
  .hero-right{flex:none;width:100%}
  .hero-right .hero-img-wrap img{height:280px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .direction-card,.direction-card:nth-child(even){flex-direction:column}
  .direction-img{min-height:210px}
  .direction-img img{height:100%}
  .direction-body{padding:28px 24px}
  .process-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .process-card::after{display:none}
  .hot-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .cta-banner{padding:40px 24px}
  .cta-actions .btn{width:100%;max-width:320px}
  .hero-actions .btn{width:100%}
  .hero-actions{width:100%}
  .hero-actions .btn-primary,.hero-actions .btn-secondary{flex:1;min-width:0}
  .hot-card-body h3{font-size:15px}
  .hot-card-body p{font-size:12px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .stats-grid{grid-template-columns:1fr;gap:12px}
  .process-grid{grid-template-columns:1fr}
  .hot-grid{grid-template-columns:1fr}
  .section-head h2{font-size:24px}
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .hero-stats{flex-direction:column;width:100%}
  .stat-chip{width:100%}
}

/* roulang page: article */
:root{
  --brand-primary:#0F766E;
  --brand-secondary:#14B8A6;
  --accent-gold:#D4A72C;
  --accent-coral:#F97350;
  --gradient-brand:linear-gradient(135deg,#0F766E 0%,#14B8A6 100%);
  --gradient-cta:linear-gradient(135deg,#F97350 0%,#D4A72C 100%);
  --bg-page:#F7F9F8;
  --bg-surface:#FFFFFF;
  --bg-tint:#E9F3F1;
  --ink-normal:#1F2937;
  --ink-muted:#4B5563;
  --border-light:#E2E8E5;
  --shadow-card:0 12px 30px -12px rgba(15,118,110,0.18);
  --shadow-cta:0 16px 40px -16px rgba(15,118,110,0.45);
  --radius-lg:20px;
  --radius-md:12px;
  --radius-sm:8px;
  --sidebar-width:240px;
  --font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-family);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-normal);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-secondary);}
ul,ol{list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit;}
.container-narrow{max-width:860px;margin:0 auto;padding:0 24px;}
.container-wide{max-width:1200px;margin:0 auto;padding:0 24px;}
.text-center{text-align:center;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:var(--radius-md);
  font-size:15px;
  font-weight:600;
  border:none;
  cursor:pointer;
  transition:all .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--gradient-brand);
  color:#fff;
  box-shadow:0 8px 20px -8px rgba(15,118,110,.5);
}
.btn-primary:hover{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:var(--shadow-cta);
}
.btn-primary:active{transform:translateY(0);}
.btn-outline{
  background:var(--bg-surface);
  color:var(--brand-primary);
  border:1px solid var(--brand-primary);
}
.btn-outline:hover{
  background:rgba(15,118,110,.06);
  color:var(--brand-primary);
  transform:translateY(-2px);
}
.btn-outline:active{transform:translateY(0);}
.btn-light{
  background:#fff;
  color:var(--brand-primary);
  box-shadow:0 8px 24px -8px rgba(0,0,0,.25);
}
.btn-light:hover{
  color:var(--brand-primary);
  transform:translateY(-2px);
  box-shadow:0 12px 32px -8px rgba(0,0,0,.3);
}
.btn-light:active{transform:translateY(0);}
.tag{
  display:inline-flex;
  align-items:center;
  padding:6px 16px;
  border-radius:999px;
  font-size:13px;
  font-weight:500;
  background:var(--bg-tint);
  color:var(--brand-primary);
  border:1px solid rgba(15,118,110,.15);
}
.category-badge{
  display:inline-flex;
  align-items:center;
  padding:6px 18px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  background:var(--gradient-brand);
  color:#fff;
  box-shadow:0 4px 12px -4px rgba(15,118,110,.45);
}

/* ===== Sidebar Layout ===== */
.app-sidebar{
  position:fixed;
  left:0;top:0;bottom:0;
  width:var(--sidebar-width);
  background:var(--bg-surface);
  border-right:1px solid var(--border-light);
  z-index:1000;
  display:flex;
  flex-direction:column;
  padding:24px 16px 16px;
}
.sidebar-logo{
  display:flex;
  align-items:center;
  gap:10px;
  padding:8px 12px 24px;
  font-size:20px;
  font-weight:800;
  color:var(--ink-normal);
  border-bottom:1px solid var(--border-light);
  margin-bottom:16px;
}
.sidebar-logo i{
  width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--gradient-brand);
  color:#fff;
  font-size:17px;
  box-shadow:0 6px 16px -6px rgba(15,118,110,.5);
}
.sidebar-nav{flex:1;display:flex;flex-direction:column;gap:4px;}
.sidebar-nav a{
  display:flex;
  align-items:center;
  gap:12px;
  padding:12px 16px;
  border-radius:var(--radius-md);
  color:var(--ink-muted);
  font-weight:500;
  font-size:15px;
  transition:all .2s ease;
}
.sidebar-nav a i{width:20px;text-align:center;font-size:15px;}
.sidebar-nav a:hover{
  background:var(--bg-tint);
  color:var(--brand-primary);
}
.sidebar-nav a.active{
  background:var(--gradient-brand);
  color:#fff;
  box-shadow:var(--shadow-card);
}
.sidebar-footer{
  padding-top:16px;
  border-top:1px solid var(--border-light);
}
.sidebar-footer .btn{
  width:100%;
  height:44px;
  font-size:14px;
}

/* ===== Mobile Topbar ===== */
.mobile-topbar{
  display:none;
  position:fixed;
  left:0;right:0;top:0;
  height:60px;
  background:var(--bg-surface);
  border-bottom:1px solid var(--border-light);
  z-index:1100;
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
}
.mobile-topbar .mobile-logo{
  font-size:18px;
  font-weight:800;
  color:var(--ink-normal);
  display:flex;
  align-items:center;
  gap:8px;
}
.mobile-topbar .mobile-logo i{
  width:34px;height:34px;
  display:flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:var(--gradient-brand);
  color:#fff;
  font-size:14px;
}
.mobile-menu-btn{
  width:42px;height:42px;
  border-radius:10px;
  background:transparent;
  border:1px solid var(--border-light);
  color:var(--ink-normal);
  font-size:17px;
  cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:all .2s;
}
.mobile-menu-btn:hover{background:var(--bg-tint);}
.mobile-menu-btn:active{transform:scale(.96);}

/* ===== Mobile Drawer ===== */
.mobile-drawer{
  position:fixed;
  left:0;top:0;bottom:0;
  width:280px;
  background:var(--bg-surface);
  z-index:1200;
  box-shadow:30px 0 60px rgba(0,0,0,.15);
  transform:translateX(-100%);
  transition:transform .3s ease;
  display:flex;
  flex-direction:column;
  padding:24px 16px;
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-header{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:24px;
  padding-bottom:16px;
  border-bottom:1px solid var(--border-light);
}
.drawer-logo{
  font-size:18px;font-weight:800;
  color:var(--ink-normal);
  display:flex;align-items:center;gap:8px;
}
.drawer-logo i{
  width:34px;height:34px;
  display:flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:var(--gradient-brand);
  color:#fff;
  font-size:14px;
}
.drawer-close{
  width:36px;height:36px;
  border-radius:10px;
  border:1px solid var(--border-light);
  background:transparent;
  color:var(--ink-muted);
  cursor:pointer;
  display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{background:var(--bg-tint);}
.drawer-nav{flex:1;display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  display:flex;align-items:center;gap:12px;
  padding:13px 16px;
  border-radius:var(--radius-md);
  color:var(--ink-muted);
  font-weight:500;
  font-size:15px;
}
.drawer-nav a i{width:20px;text-align:center;}
.drawer-nav a:hover{background:var(--bg-tint);color:var(--brand-primary);}
.drawer-nav a.active{background:var(--gradient-brand);color:#fff;}
.drawer-overlay{
  position:fixed;
  left:0;right:0;top:0;bottom:0;
  background:rgba(0,0,0,.35);
  z-index:1150;
  opacity:0;
  visibility:hidden;
  transition:all .3s;
}
.drawer-overlay.show{opacity:1;visibility:visible;}

/* ===== Main Layout ===== */
.app-main{
  margin-left:var(--sidebar-width);
  min-height:100vh;
  display:flex;
  flex-direction:column;
  background:var(--bg-page);
}
.main-content{flex:1;padding:40px 0 80px;}

/* ===== Breadcrumb ===== */
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:6px;
  font-size:14px;
  color:var(--ink-muted);
  margin-bottom:32px;
}
.breadcrumb a{color:var(--ink-muted);}
.breadcrumb a:hover{color:var(--brand-primary);}
.breadcrumb-sep{color:#9CA3AF;font-size:13px;}
.breadcrumb-current{color:var(--ink-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:240px;}

/* ===== Article Header ===== */
.article-wrap{
  background:var(--bg-surface);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  padding:48px 56px 56px;
  margin-top:32px;
  border:1px solid var(--border-light);
}
.article-header{
  text-align:left;
  margin-bottom:32px;
}
.article-category{
  display:inline-flex;
  align-items:center;
  padding:6px 18px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  background:var(--gradient-brand);
  color:#fff;
  box-shadow:0 4px 12px -4px rgba(15,118,110,.45);
  margin-bottom:20px;
}
.article-title{
  font-size:clamp(26px,3.5vw,38px);
  font-weight:800;
  line-height:1.3;
  color:var(--ink-normal);
  margin-bottom:16px;
  letter-spacing:-.01em;
}
.article-meta{
  display:flex;
  align-items:center;
  gap:20px;
  color:var(--ink-muted);
  font-size:14px;
  padding-bottom:24px;
  border-bottom:1px solid var(--border-light);
}
.meta-item{
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.meta-item i{color:var(--brand-secondary);font-size:14px;}

/* ===== Article Cover ===== */
.article-cover{
  border-radius:var(--radius-lg);
  overflow:hidden;
  margin-bottom:40px;
  aspect-ratio:16/8;
}
.article-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.article-cover:hover img{transform:scale(1.02);}

/* ===== Article Body ===== */
.article-body{
  font-size:16.5px;
  line-height:1.95;
  color:var(--ink-normal);
}
.article-body p{
  margin-bottom:1.3em;
  text-indent:2em;
}
.article-body h3{
  font-size:22px;
  font-weight:700;
  color:var(--ink-normal);
  margin:40px 0 16px;
  padding-left:14px;
  border-left:4px solid var(--brand-secondary);
}
.article-body h4{
  font-size:18px;
  font-weight:600;
  color:var(--ink-normal);
  margin:28px 0 12px;
}
.article-body img{
  border-radius:var(--radius-md);
  margin:24px 0;
  width:100%;
}
.article-body blockquote{
  background:var(--bg-tint);
  border-left:4px solid var(--brand-primary);
  border-radius:var(--radius-sm);
  padding:20px 24px;
  margin:24px 0;
  color:var(--ink-muted);
  font-style:normal;
}
.article-body ul,.article-body ol{
  margin:16px 0 20px;
  padding-left:24px;
}
.article-body ul li{
  position:relative;
  padding-left:18px;
  margin-bottom:10px;
}
.article-body ul li::before{
  content:'';
  position:absolute;
  left:0;top:12px;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--gradient-brand);
}
.article-body ol li{
  list-style:decimal;
  margin-bottom:10px;
}
.article-body a{
  color:var(--brand-primary);
  font-weight:500;
  border-bottom:1px solid rgba(15,118,110,.3);
}
.article-body a:hover{border-color:var(--brand-primary);}

/* ===== Article Tags ===== */
.article-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:40px;
  padding-top:24px;
  border-top:1px solid var(--border-light);
}

/* ===== Missing State ===== */
.article-missing{
  text-align:center;
  padding:60px 24px;
}
.missing-icon{
  width:72px;height:72px;
  margin:0 auto 24px;
  border-radius:50%;
  background:var(--bg-tint);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand-secondary);
  font-size:28px;
}
.article-missing h1{
  font-size:30px;
  font-weight:800;
  color:var(--ink-normal);
  margin-bottom:12px;
}
.article-missing p{
  color:var(--ink-muted);
  margin-bottom:28px;
  max-width:420px;
  margin-left:auto;margin-right:auto;
}

/* ===== Related Section ===== */
.related-section{
  margin-top:64px;
}
.related-section .section-title{
  font-size:clamp(22px,2.5vw,28px);
  font-weight:700;
  color:var(--ink-normal);
  margin-bottom:28px;
  display:flex;
  align-items:center;
  gap:12px;
}
.section-title::after{
  content:'';
  flex:1;
  height:1px;
  background:var(--gradient-brand);
  opacity:.3;
}
.related-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.related-card{
  background:var(--bg-surface);
  border:1px solid var(--border-light);
  border-radius:16px;
  overflow:hidden;
  transition:all .25s ease;
}
.related-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-card);
}
.related-card .card-img{
  position:relative;
  aspect-ratio:4/3;
  overflow:hidden;
}
.related-card .card-img img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .4s;
}
.related-card:hover .card-img img{transform:scale(1.04);}
.card-badge{
  position:absolute;
  top:12px;left:12px;
  padding:4px 14px;
  border-radius:999px;
  background:var(--gradient-brand);
  color:#fff;
  font-size:12px;
  font-weight:600;
  box-shadow:0 4px 10px -4px rgba(15,118,110,.5);
}
.related-card .card-body{
  padding:16px 18px 20px;
}
.related-card .card-body h3{
  font-size:15px;
  font-weight:700;
  color:var(--ink-normal);
  line-height:1.5;
  margin-bottom:8px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.related-card .card-body p{
  font-size:13px;
  color:var(--ink-muted);
  line-height:1.6;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-footer{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-top:12px;
  padding-top:12px;
  border-top:1px solid var(--border-light);
}
.card-footer .cat{font-size:12px;color:var(--brand-secondary);font-weight:600;}
.card-footer .arrow{font-size:13px;color:var(--ink-muted);transition:all .2s;}
.related-card:hover .card-footer .arrow{color:var(--brand-primary);transform:translateX(4px);}

/* ===== Article CTA ===== */
.article-cta{
  margin-top:64px;
}
.cta-box{
  background:var(--gradient-brand);
  border-radius:var(--radius-lg);
  padding:44px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  box-shadow:var(--shadow-cta);
  position:relative;
  overflow:hidden;
}
.cta-box::before{
  content:'';
  position:absolute;
  right:-60px;top:-60px;
  width:200px;height:200px;
  border-radius:50%;
  background:rgba(255,255,255,.08);
}
.cta-box::after{
  content:'';
  position:absolute;
  right:40px;bottom:-80px;
  width:160px;height:160px;
  border-radius:50%;
  background:rgba(212,167,44,.12);
}
.cta-content h2{
  font-size:24px;
  font-weight:700;
  color:#fff;
  margin-bottom:8px;
}
.cta-content p{
  color:rgba(255,255,255,.88);
  font-size:15px;
}
.cta-box .btn-light{
  position:relative;
  z-index:2;
}

/* ===== Back Link ===== */
.article-back{
  margin-top:40px;
  text-align:center;
}

/* ===== Footer ===== */
.app-footer{
  background:#0B4F47;
  color:rgba(255,255,255,.85);
  padding:56px 0 24px;
  margin-left:var(--sidebar-width);
}
.footer-grid{
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  display:grid;
  grid-template-columns:2fr 1fr 1fr;
  gap:48px;
  margin-bottom:40px;
}
.footer-logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:20px;
  font-weight:800;
  color:#fff;
  margin-bottom:14px;
}
.footer-logo i{
  width:38px;height:38px;
  display:flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:var(--gradient-brand);
  color:#fff;
  font-size:15px;
}
.footer-brand p{
  font-size:14px;
  line-height:1.7;
  color:rgba(255,255,255,.7);
  max-width:320px;
}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  color:rgba(255,255,255,.7);
  font-size:14px;
}
.footer-col a:hover{
  color:var(--accent-gold);
}
.footer-bottom{
  max-width:1200px;
  margin:0 auto;
  padding:20px 24px 0;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  font-size:13px;
  color:rgba(255,255,255,.55);
}

/* ===== Responsive ===== */
@media(max-width:1023px){
  .related-grid{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:767px){
  .app-sidebar{display:none;}
  .mobile-topbar{display:flex;}
  .app-main{
    margin-left:0;
    padding-top:60px;
  }
  .app-footer{margin-left:0;}
  .main-content{padding:24px 0 48px;}
  .article-wrap{
    padding:24px 20px 32px;
    border-radius:16px;
    margin-top:16px;
  }
  .article-title{font-size:24px;line-height:1.35;}
  .article-meta{flex-wrap:wrap;gap:12px;}
  .article-cover{aspect-ratio:16/10;border-radius:12px;}
  .article-body{font-size:15.5px;line-height:1.85;}
  .article-body p{text-indent:1.5em;}
  .related-grid{grid-template-columns:1fr;}
  .cta-box{
    padding:32px 24px;
    flex-direction:column;
    text-align:center;
  }
  .cta-box .btn-light{width:100%;justify-content:center;}
  .footer-grid{
    grid-template-columns:1fr;
    gap:32px;
    padding:0 20px;
  }
  .footer-bottom{
    flex-direction:column;
    text-align:center;
    padding:16px 20px 0;
  }
  .breadcrumb-current{max-width:180px;}
}
@media(max-width:520px){
  .related-grid{grid-template-columns:1fr;}
  .article-wrap{padding:20px 16px 28px;}
  .breadcrumb{font-size:13px;}
  .article-meta{font-size:13px;}
  .cta-box{padding:28px 20px;}
  .cta-content h2{font-size:20px;}
  .article-back .btn{width:100%;}
}

/* roulang page: category3 */
:root{
  --brand-primary:#0F766E;
  --brand-secondary:#14B8A6;
  --accent-gold:#D4A72C;
  --accent-coral:#F97350;
  --gradient-brand:linear-gradient(135deg,#0F766E 0%,#14B8A6 100%);
  --gradient-cta:linear-gradient(135deg,#F97350 0%,#D4A72C 100%);
  --bg-page:#F7F9F8;
  --bg-surface:#FFFFFF;
  --bg-tint:#E9F3F1;
  --ink-normal:#1F2937;
  --ink-muted:#4B5563;
  --border-light:#E2E8E5;
  --shadow-card:0 12px 30px -12px rgba(15,118,110,0.18);
  --shadow-cta:0 16px 40px -16px rgba(15,118,110,0.45);
  --radius-lg:20px;
  --radius-md:12px;
  --radius-sm:8px;
  --font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:var(--font-family);background:var(--bg-page);color:var(--ink-normal);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease,box-shadow .2s ease,transform .2s ease;}
button,input,select,textarea{font-family:inherit;}
button{cursor:pointer;border:none;background:none;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid rgba(212,167,44,.6);outline-offset:2px;border-radius:8px;}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-md);font-weight:700;line-height:1;transition:all .2s ease;font-size:15px;text-align:center;}
.btn-gold{background:var(--gradient-cta);color:#fff;padding:14px 28px;box-shadow:0 10px 24px -10px rgba(249,115,80,.5);}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px -12px rgba(249,115,80,.6);}
.btn-ghost{background:rgba(255,255,255,.85);color:var(--brand-primary);border:1px solid rgba(15,118,110,.3);padding:14px 28px;backdrop-filter:blur(6px);}
.btn-ghost:hover{background:var(--bg-tint);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--brand-primary);padding:15px 34px;font-size:16px;border-radius:14px;box-shadow:0 12px 28px -12px rgba(0,0,0,.3);}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 18px 36px -14px rgba(0,0,0,.35);}

.app-shell{display:flex;min-height:100vh;}
.sidebar{width:240px;position:fixed;top:0;left:0;bottom:0;background:var(--bg-surface);border-right:1px solid var(--border-light);display:flex;flex-direction:column;padding:24px 18px;z-index:50;box-shadow:4px 0 20px -16px rgba(15,118,110,.12);}
.sidebar-brand{padding:8px 6px 24px;border-bottom:1px solid var(--border-light);margin-bottom:20px;}
.brand-logo{font-size:20px;font-weight:800;color:var(--brand-primary);display:flex;align-items:center;gap:10px;letter-spacing:.2px;}
.brand-logo i{font-size:22px;color:var(--accent-coral);background:var(--bg-tint);border-radius:10px;width:40px;height:40px;display:flex;align-items:center;justify-content:center;flex:0 0 40px;}
.sidebar-nav{display:flex;flex-direction:column;gap:6px;}
.sidebar-nav a{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:var(--radius-md);color:var(--ink-muted);font-weight:600;font-size:15px;position:relative;transition:all .2s ease;}
.sidebar-nav a i{width:20px;text-align:center;font-size:17px;flex:0 0 20px;}
.sidebar-nav a:hover{background:var(--bg-tint);color:var(--brand-primary);}
.sidebar-nav a.active{background:var(--gradient-brand);color:#fff;box-shadow:0 8px 22px -10px rgba(15,118,110,.5);}
.sidebar-nav a.active::before{content:"";position:absolute;left:-18px;top:50%;transform:translateY(-50%);width:4px;height:28px;background:var(--gradient-cta);border-radius:0 4px 4px 0;}
.sidebar-cta{margin-top:auto;padding-top:20px;}
.sidebar-cta .btn{width:100%;padding:12px;font-size:14px;}
.main-wrap{flex:1;margin-left:240px;display:flex;flex-direction:column;min-width:0;}
.main-content{flex:1;}
.mobile-topbar{display:none;background:var(--bg-surface);padding:12px 16px;border-bottom:1px solid var(--border-light);align-items:center;justify-content:space-between;position:sticky;top:0;z-index:40;}
.mobile-topbar .brand-logo{font-size:17px;}
.mobile-topbar .brand-logo i{width:32px;height:32px;font-size:16px;border-radius:8px;flex:0 0 32px;}
.menu-toggle{width:40px;height:40px;border-radius:10px;background:var(--bg-tint);color:var(--brand-primary);font-size:18px;display:flex;align-items:center;justify-content:center;}
.mobile-drawer{position:fixed;top:0;left:0;bottom:0;width:280px;background:var(--bg-surface);z-index:60;padding:24px 20px;box-shadow:8px 0 30px -15px rgba(0,0,0,.2);transform:translateX(-100%);transition:transform .3s ease;}
.mobile-drawer.open{transform:translateX(0);}
.mobile-drawer .drawer-brand{display:flex;align-items:center;gap:10px;padding-bottom:18px;border-bottom:1px solid var(--border-light);margin-bottom:14px;font-weight:800;color:var(--brand-primary);}
.mobile-drawer .drawer-brand i{width:36px;height:36px;border-radius:10px;background:var(--bg-tint);color:var(--accent-coral);display:flex;align-items:center;justify-content:center;font-size:16px;}
.mobile-drawer .sidebar-nav a.active::before{left:-20px;}
.drawer-overlay{position:fixed;inset:0;background:rgba(15,23,31,.45);z-index:55;opacity:0;pointer-events:none;transition:opacity .3s ease;}
body.drawer-open .drawer-overlay{opacity:1;pointer-events:auto;}

.breadcrumb{padding:28px 0 0;font-size:14px;color:var(--ink-muted);display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.breadcrumb a{color:var(--brand-primary);font-weight:600;}
.breadcrumb a:hover{color:var(--accent-coral);}
.breadcrumb .sep{color:var(--border-light);}
.breadcrumb .current{color:var(--ink-muted);font-weight:600;}

.cat-hero{padding:40px 0 48px;}
.cat-hero-inner{display:flex;align-items:center;gap:48px;background:var(--bg-surface);border-radius:24px;border:1px solid var(--border-light);box-shadow:var(--shadow-card);padding:48px;position:relative;overflow:hidden;}
.cat-hero-inner::before{content:"";position:absolute;top:-80px;right:-80px;width:260px;height:260px;background:radial-gradient(circle,rgba(20,184,166,.16),transparent 70%);border-radius:50%;}
.cat-hero-text{flex:1.1;position:relative;z-index:2;}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:var(--bg-tint);color:var(--brand-primary);font-size:13px;font-weight:700;padding:6px 14px;border-radius:999px;margin-bottom:18px;letter-spacing:.5px;}
.hero-tag i{font-size:12px;color:var(--accent-coral);}
.cat-hero-text h1{font-size:clamp(30px,4vw,44px);font-weight:800;line-height:1.25;color:var(--ink-normal);word-break:break-word;letter-spacing:.5px;}
.cat-hero-text p{margin:18px 0 28px;font-size:16px;color:var(--ink-muted);max-width:520px;line-height:1.8;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cat-hero-media{flex:0.9;position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--shadow-card);min-height:280px;}
.cat-hero-media img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}

.section-head{text-align:center;margin-bottom:48px;}
.section-kicker{display:inline-block;background:var(--accent-gold);color:#fff;font-size:12px;font-weight:800;letter-spacing:1px;padding:5px 14px;border-radius:999px;margin-bottom:14px;}
.section-head h2{font-size:clamp(24px,3vw,32px);font-weight:800;color:var(--ink-normal);line-height:1.3;letter-spacing:.5px;}
.section-head p{margin-top:12px;color:var(--ink-muted);font-size:16px;max-width:560px;margin-left:auto;margin-right:auto;line-height:1.7;}

.value-section,.audience-section,.channel-section,.steps-section,.faq-section,.cta-section{padding:64px 0;}
.stat-section{padding:56px 0;}

.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.feature-card{background:var(--bg-surface);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:28px 24px;box-shadow:0 4px 12px -8px rgba(15,118,110,.1);transition:all .25s ease;}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card);border-color:rgba(15,118,110,.25);}
.feature-card i{display:flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:14px;background:var(--bg-tint);color:var(--brand-primary);font-size:20px;margin-bottom:16px;}
.feature-card h3{font-size:18px;font-weight:800;margin-bottom:10px;color:var(--ink-normal);}
.feature-card p{font-size:14px;color:var(--ink-muted);line-height:1.7;}

.stat-section{background:linear-gradient(135deg,#0B4F47,#0F766E);}
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-item{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-lg);padding:28px 20px;text-align:center;backdrop-filter:blur(4px);transition:all .25s ease;}
.stat-item:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);}
.stat-item strong{display:block;font-size:36px;font-weight:800;color:var(--accent-gold);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-item span{color:rgba(255,255,255,.85);font-size:14px;font-weight:600;}

.audience-section .container{max-width:960px;}
.audience-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.audience-card{background:var(--bg-surface);border-radius:var(--radius-lg);padding:32px 28px;border:1px solid var(--border-light);position:relative;transition:all .25s ease;}
.audience-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card);}
.audience-num{font-size:28px;font-weight:800;color:var(--accent-gold);opacity:.85;margin-bottom:12px;font-variant-numeric:tabular-nums;}
.audience-card h3{font-size:18px;font-weight:800;margin-bottom:10px;}
.audience-card p{font-size:14px;color:var(--ink-muted);line-height:1.7;}

.channel-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.channel-card{display:flex;background:var(--bg-surface);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border-light);box-shadow:0 6px 18px -12px rgba(15,118,110,.12);transition:all .25s ease;}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-card);}
.channel-img{flex:0 0 42%;position:relative;min-height:200px;overflow:hidden;}
.channel-img img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;transition:transform .4s;}
.channel-card:hover .channel-img img{transform:scale(1.04);}
.channel-body{padding:24px;flex:1;display:flex;flex-direction:column;justify-content:center;}
.channel-tag{display:inline-block;background:var(--bg-tint);color:var(--brand-primary);font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;margin-bottom:12px;align-self:flex-start;}
.channel-body h3{font-size:19px;font-weight:800;margin-bottom:10px;}
.channel-body p{font-size:14px;color:var(--ink-muted);line-height:1.7;}
.channel-body a{margin-top:14px;color:var(--brand-primary);font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:6px;transition:gap .2s ease,color .2s ease;}
.channel-body a:hover{color:var(--accent-coral);gap:10px;}

.steps-row{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;max-width:900px;margin:0 auto;}
.step-item{text-align:center;background:var(--bg-surface);border-radius:var(--radius-lg);padding:36px 24px;border:1px solid var(--border-light);box-shadow:0 6px 16px -12px rgba(15,118,110,.1);transition:all .25s ease;}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-card);}
.step-item i{display:flex;align-items:center;justify-content:center;width:56px;height:56px;margin:0 auto 16px;border-radius:50%;background:var(--gradient-brand);color:#fff;font-size:22px;box-shadow:0 10px 22px -10px rgba(15,118,110,.5);}
.step-item h3{font-size:18px;font-weight:800;margin-bottom:8px;}
.step-item p{font-size:14px;color:var(--ink-muted);line-height:1.7;}

.faq-section{background:var(--bg-tint);}
.faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{background:var(--bg-surface);border-radius:var(--radius-md);border:1px solid var(--border-light);transition:border-color .2s ease,box-shadow .2s ease;overflow:hidden;}
.faq-item:hover{border-color:rgba(15,118,110,.3);}
.faq-item details summary{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;font-weight:700;font-size:16px;color:var(--ink-normal);cursor:pointer;list-style:none;transition:background .2s ease;}
.faq-item details summary::-webkit-details-marker{display:none;}
.faq-item details summary:hover{background:var(--bg-tint);}
.faq-item details summary .faq-icon{width:28px;height:28px;border-radius:50%;background:var(--bg-tint);display:flex;align-items:center;justify-content:center;color:var(--brand-primary);font-size:13px;transition:transform .3s ease,background .3s ease;flex:0 0 28px;}
.faq-item details[open] summary{border-bottom:1px solid var(--border-light);}
.faq-item details[open] summary .faq-icon{transform:rotate(180deg);background:var(--gradient-brand);color:#fff;}
.faq-answer{padding:18px 24px;font-size:15px;color:var(--ink-muted);line-height:1.8;}
.faq-answer p{margin:0;}

.cta-section{padding:40px 0 80px;}
.cta-box{background:var(--gradient-brand);border-radius:24px;padding:56px 40px;text-align:center;color:#fff;position:relative;overflow:hidden;box-shadow:var(--shadow-cta);}
.cta-box::before{content:"";position:absolute;top:-60px;right:-60px;width:220px;height:220px;background:rgba(255,255,255,.1);border-radius:50%;}
.cta-box::after{content:"";position:absolute;bottom:-80px;left:-40px;width:160px;height:160px;background:rgba(255,255,255,.06);border-radius:50%;}
.cta-box h2{font-size:clamp(22px,3vw,32px);font-weight:800;margin-bottom:14px;position:relative;z-index:2;}
.cta-box p{font-size:16px;opacity:.92;margin-bottom:28px;position:relative;z-index:2;}
.cta-box .btn{position:relative;z-index:2;}

.app-footer{background:#0B4F47;color:rgba(255,255,255,.85);padding:56px 24px 28px;}
.footer-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.12);}
.footer-logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:#fff;margin-bottom:14px;}
.footer-logo i{color:var(--accent-coral);}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.7);line-height:1.8;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px;}
.footer-col ul{list-style:none;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:rgba(255,255,255,.7);font-size:14px;position:relative;padding-bottom:2px;}
.footer-col a:hover{color:var(--accent-gold);}
.footer-bottom{max-width:1200px;margin:0 auto;display:flex;justify-content:space-between;gap:16px;padding-top:20px;font-size:13px;color:rgba(255,255,255,.5);flex-wrap:wrap;}
.footer-bottom span{white-space:nowrap;}

@media (max-width:1024px){
  .sidebar{width:200px;padding:20px 14px;}
  .sidebar-brand{padding:6px 4px 18px;}
  .brand-logo{font-size:17px;gap:8px;}
  .brand-logo i{width:34px;height:34px;font-size:17px;flex:0 0 34px;}
  .sidebar-nav a{font-size:14px;padding:10px 12px;gap:10px;}
  .sidebar-nav a i{font-size:16px;flex:0 0 18px;}
  .sidebar-nav a.active::before{left:-14px;}
  .main-wrap{margin-left:200px;}
  .container{padding:0 20px;}
  .cat-hero-inner{flex-direction:column;gap:28px;padding:36px;}
  .cat-hero-media{width:100%;min-height:220px;}
  .channel-img{flex:0 0 38%;}
}

@media (max-width:768px){
  .sidebar{display:none;}
  .mobile-topbar{display:flex;}
  .main-wrap{margin-left:0;}
  .cat-hero{padding:24px 0 32px;}
  .cat-hero-inner{padding:24px 20px;border-radius:18px;}
  .cat-hero-text h1{font-size:28px;}
  .cat-hero-media{min-height:180px;}
  .feature-grid{grid-template-columns:1fr 1fr;}
  .stat-strip{grid-template-columns:1fr 1fr;}
  .audience-list{grid-template-columns:1fr;}
  .channel-grid{grid-template-columns:1fr;}
  .channel-card{flex-direction:column;}
  .channel-img{flex:none;min-height:160px;}
  .steps-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-box{padding:40px 24px;border-radius:18px;}
  .cta-section{padding:32px 0 56px;}
  .value-section,.audience-section,.channel-section,.steps-section,.faq-section{padding:48px 0;}
  .section-head{margin-bottom:36px;}
  .breadcrumb{padding-top:20px;}
}

@media (max-width:520px){
  .feature-grid,.stat-strip{grid-template-columns:1fr;}
  .hero-actions{flex-direction:column;width:100%;}
  .hero-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .section-head h2{font-size:24px;}
  .stat-item strong{font-size:30px;}
  .faq-item details summary{font-size:15px;padding:18px 16px;}
  .faq-answer{padding:16px;}
  .footer-bottom{flex-direction:column;align-items:center;text-align:center;}
  .footer-col li a{font-size:15px;}
}

/* roulang page: category2 */
:root {
      --brand-primary: #0F766E;
      --brand-secondary: #14B8A6;
      --accent-gold: #D4A72C;
      --accent-coral: #F97350;
      --gradient-brand: linear-gradient(135deg, #0F766E 0%, #14B8A6 100%);
      --gradient-cta: linear-gradient(135deg, #F97350 0%, #D4A72C 100%);
      --bg-page: #F7F9F8;
      --bg-surface: #FFFFFF;
      --bg-tint: #E9F3F1;
      --ink-normal: #1F2937;
      --ink-muted: #4B5563;
      --border-light: #E2E8E5;
      --shadow-card: 0 12px 30px -12px rgba(15, 118, 110, 0.18);
      --shadow-cta: 0 16px 40px -16px rgba(15, 118, 110, 0.45);
      --radius-lg: 20px;
      --radius-md: 12px;
      --w-sidebar: 260px;
      --w-sidebar-sm: 88px;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
      background: var(--bg-page);
      color: var(--ink-normal);
      font-size: 16px;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }
    a { color: var(--brand-primary); text-decoration: none; transition: color .2s ease; }
    a:hover { color: var(--brand-secondary); }
    img { max-width: 100%; display: block; }
    h1, h2, h3, h4 { font-weight: 700; line-height: 1.3; margin-top: 0; color: var(--ink-normal); }
    p { margin-top: 0; }
    ul { padding: 0; margin: 0; list-style: none; }
    button { cursor: pointer; font-family: inherit; }

    .app-shell { min-height: 100vh; display: flex; }
    .app-main { flex: 1; margin-left: var(--w-sidebar); min-width: 0; display: flex; flex-direction: column; }

    /* ===== Sidebar ===== */
    .app-sidebar {
      position: fixed;
      left: 0; top: 0; bottom: 0;
      width: var(--w-sidebar);
      background: var(--bg-surface);
      border-right: 1px solid var(--border-light);
      display: flex;
      flex-direction: column;
      padding: 24px 16px;
      z-index: 1000;
    }
    .sidebar-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 0 8px;
      margin-bottom: 32px;
    }
    .sidebar-brand .brand-icon {
      width: 40px; height: 40px;
      display: flex; align-items: center; justify-content: center;
      background: var(--gradient-brand);
      border-radius: 12px;
      color: #fff;
      font-size: 17px;
    }
    .sidebar-brand .brand-text {
      font-size: 20px;
      font-weight: 800;
      color: var(--brand-primary);
      white-space: nowrap;
      letter-spacing: .5px;
    }
    .sidebar-nav {
      display: flex;
      flex-direction: column;
      gap: 6px;
      margin-bottom: 24px;
    }
    .sidebar-nav a {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 11px 14px;
      border-radius: 12px;
      color: var(--ink-normal);
      font-size: 15px;
      font-weight: 500;
      position: relative;
      transition: background .2s ease, color .2s ease;
    }
    .sidebar-nav a i {
      width: 20px;
      text-align: center;
      font-size: 16px;
      color: var(--ink-muted);
      transition: color .2s ease;
    }
    .sidebar-nav a:hover { background: var(--bg-tint); color: var(--brand-primary); }
    .sidebar-nav a:hover i { color: var(--brand-primary); }
    .sidebar-nav a.active {
      background: var(--bg-tint);
      color: var(--brand-primary);
      font-weight: 700;
    }
    .sidebar-nav a.active::before {
      content: "";
      position: absolute;
      left: -16px;
      top: 50%;
      transform: translateY(-50%);
      width: 4px;
      height: 24px;
      border-radius: 0 4px 4px 0;
      background: var(--gradient-brand);
    }
    .sidebar-nav a.active i { color: var(--brand-primary); }
    .sidebar-foot { margin-top: auto; padding: 0 8px; }
    .sidebar-foot .btn-ghost-dark {
      width: 100%;
      padding: 12px 16px;
      border-radius: 12px;
      border: 1px solid var(--border-light);
      background: var(--bg-tint);
      color: var(--brand-primary);
      font-size: 14px;
      font-weight: 600;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      transition: background .2s ease, color .2s ease, box-shadow .2s ease;
    }
    .sidebar-foot .btn-ghost-dark:hover { background: var(--brand-primary); color: #fff; }

    /* ===== Mobile Header ===== */
    .mobile-header {
      display: none;
      position: sticky;
      top: 0;
      z-index: 900;
      background: var(--bg-surface);
      border-bottom: 1px solid var(--border-light);
      padding: 12px 20px;
      align-items: center;
      justify-content: space-between;
    }
    .mobile-logo {
      display: flex; align-items: center; gap: 10px;
      font-size: 18px; font-weight: 800; color: var(--brand-primary);
    }
    .mobile-logo .brand-icon {
      width: 34px; height: 34px;
      display: flex; align-items: center; justify-content: center;
      background: var(--gradient-brand);
      border-radius: 10px;
      color: #fff;
      font-size: 14px;
    }
    .menu-toggle {
      background: var(--bg-tint);
      border: 1px solid var(--border-light);
      width: 42px; height: 42px;
      border-radius: 10px;
      color: var(--brand-primary);
      font-size: 18px;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background .2s ease;
    }
    .menu-toggle:hover { background: var(--bg-surface); }

    /* ===== Mobile Drawer ===== */
    .mobile-drawer {
      position: fixed;
      top: 0;
      left: -320px;
      width: 300px;
      max-width: 85vw;
      height: 100vh;
      background: #fff;
      z-index: 1200;
      padding: 24px 16px;
      transition: left .3s ease;
      box-shadow: 0 20px 50px rgba(0,0,0,.15);
      display: flex;
      flex-direction: column;
    }
    .mobile-drawer.open { left: 0; }
    .drawer-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 0 4px 18px;
      border-bottom: 1px solid var(--border-light);
      margin-bottom: 18px;
    }
    .drawer-logo {
      display: flex;
      align-items: center;
      gap: 8px;
      font-weight: 800;
      color: var(--brand-primary);
    }
    .drawer-logo i { color: var(--brand-primary); }
    .drawer-close {
      width: 36px; height: 36px;
      border-radius: 10px;
      border: 1px solid var(--border-light);
      background: var(--bg-tint);
      color: var(--ink-muted);
    }
    .drawer-foot { margin-top: auto; padding-top: 16px; }
    .btn-block { width: 100%; }
    .drawer-overlay {
      position: fixed;
      inset: 0;
      background: rgba(15,23,42,.5);
      opacity: 0;
      visibility: hidden;
      transition: opacity .3s, visibility .3s;
      z-index: 1100;
    }
    .drawer-overlay.show { opacity: 1; visibility: visible; }

    /* ===== Common ===== */
    .container {
      max-width: 1160px;
      margin: 0 auto;
      padding: 0 32px;
    }
    .sec { padding: 64px 0; }

    .section-tag {
      display: inline-block;
      background: var(--bg-tint);
      color: var(--brand-primary);
      font-size: 13px;
      font-weight: 600;
      padding: 5px 14px;
      border-radius: 999px;
      margin-bottom: 14px;
      border: 1px solid rgba(15,118,110,.14);
    }
    .section-head { max-width: 720px; margin-bottom: 40px; }
    .section-head h2 { font-size: clamp(24px, 3vw, 34px); margin-bottom: 12px; }
    .section-head p { color: var(--ink-muted); font-size: 15px; margin-bottom: 0; }

    /* ===== Buttons ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      height: 50px;
      padding: 0 28px;
      border-radius: 12px;
      font-size: 15px;
      font-weight: 600;
      border: none;
      transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
      white-space: nowrap;
    }
    .btn-primary { background: var(--gradient-brand); color: #fff; }
    .btn-primary:hover { color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-cta); }
    .btn-outline { background: #fff; color: var(--brand-primary); border: 1px solid var(--brand-primary); }
    .btn-outline:hover { background: var(--bg-tint); color: var(--brand-primary); transform: translateY(-2px); }
    .btn-light { background: #fff; color: var(--brand-primary); }
    .btn-light:hover { color: var(--brand-primary); transform: translateY(-2px); box-shadow: 0 14px 30px -12px rgba(0,0,0,.25); }
    .btn:focus-visible, .sidebar-nav a:focus-visible, .menu-toggle:focus-visible {
      outline: 3px solid rgba(20,184,166,.4);
      outline-offset: 2px;
    }

    /* ===== Category Hero ===== */
    .cat-hero { padding: 40px 0 24px; }
    .cat-hero-card {
      display: flex;
      border-radius: 24px;
      overflow: hidden;
      background: var(--bg-surface);
      box-shadow: var(--shadow-card);
      border: 1px solid var(--border-light);
    }
    .cat-hero-content {
      flex: 1;
      padding: 52px 48px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--bg-tint);
      border: 1px solid rgba(15,118,110,.18);
      color: var(--brand-primary);
      font-size: 13px;
      font-weight: 600;
      padding: 6px 14px;
      border-radius: 999px;
      margin-bottom: 20px;
      align-self: flex-start;
    }
    .hero-badge::before {
      content: "";
      width: 8px; height: 8px;
      border-radius: 50%;
      background: var(--brand-secondary);
      box-shadow: 0 0 0 3px rgba(20,184,166,.18);
    }
    .cat-hero h1 {
      font-size: clamp(32px, 4.2vw, 48px);
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 16px;
    }
    .hero-sub {
      font-size: 16px;
      color: var(--ink-muted);
      margin-bottom: 28px;
      max-width: 480px;
    }
    .hero-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      margin-bottom: 32px;
    }
    .hero-data {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }
    .hero-data-item {
      background: var(--bg-tint);
      border: 1px solid rgba(212,167,44,.35);
      border-radius: 999px;
      padding: 8px 18px;
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      font-weight: 500;
      color: var(--ink-muted);
    }
    .hero-data-item .hd-num {
      font-size: 20px;
      font-weight: 800;
      color: var(--brand-primary);
      font-variant-numeric: tabular-nums;
    }
    .cat-hero-img {
      width: 44%;
      position: relative;
      min-height: 400px;
    }
    .cat-hero-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .cat-hero-img::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(247,249,248,.85) 0%, rgba(247,249,248,0) 35%);
    }

    /* ===== Value ===== */
    .cat-value { background: var(--bg-surface); }
    .value-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
    .value-card {
      background: var(--bg-surface);
      border-radius: 20px;
      border: 1px solid var(--border-light);
      padding: 32px;
      position: relative;
      overflow: hidden;
      transition: transform .25s, box-shadow .25s;
    }
    .value-card::after {
      content: "";
      position: absolute;
      right: -50px;
      top: -50px;
      width: 130px;
      height: 130px;
      border-radius: 50%;
      background: var(--bg-tint);
      opacity: .55;
    }
    .value-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
    .value-icon {
      width: 52px; height: 52px;
      border-radius: 14px;
      background: var(--gradient-brand);
      color: #fff;
      font-size: 20px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
    }
    .value-card h3 { font-size: 20px; margin-bottom: 10px; position: relative; z-index: 1; }
    .value-card p { font-size: 15px; color: var(--ink-muted); margin-bottom: 0; position: relative; z-index: 1; }

    /* ===== Guide Matrix ===== */
    .guide-matrix { background: var(--bg-page); }
    .matrix-card {
      display: flex;
      background: var(--bg-surface);
      border-radius: 20px;
      overflow: hidden;
      box-shadow: var(--shadow-card);
      border: 1px solid var(--border-light);
      margin-bottom: 24px;
    }
    .matrix-card:last-child { margin-bottom: 0; }
    .matrix-right { flex-direction: row-reverse; }
    .matrix-img {
      width: 42%;
      overflow: hidden;
      min-height: 280px;
      position: relative;
    }
    .matrix-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .4s ease;
    }
    .matrix-card:hover .matrix-img img { transform: scale(1.03); }
    .matrix-content { flex: 1; padding: 34px 36px; }
    .matrix-content .card-tag {
      display: inline-block;
      background: var(--bg-tint);
      color: var(--brand-primary);
      font-size: 13px;
      font-weight: 600;
      padding: 4px 12px;
      border-radius: 999px;
      margin-bottom: 12px;
    }
    .matrix-content h3 { font-size: 22px; margin-bottom: 10px; }
    .matrix-content > p { color: var(--ink-muted); margin-bottom: 16px; font-size: 15px; }
    .matrix-list li {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: var(--ink-muted);
      padding: 3px 0;
    }
    .matrix-list li i { color: var(--brand-secondary); font-size: 13px; }

    /* ===== Audience ===== */
    .cat-audience { background: var(--bg-surface); }
    .audience-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .audience-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-light);
      border-radius: 20px;
      padding: 28px 24px;
      transition: transform .25s, box-shadow .25s;
    }
    .audience-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
    .audience-icon {
      width: 48px; height: 48px;
      border-radius: 14px;
      background: var(--bg-tint);
      color: var(--brand-primary);
      font-size: 18px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
    }
    .audience-card h3 { font-size: 18px; margin-bottom: 8px; }
    .audience-card p { font-size: 14px; color: var(--ink-muted); margin-bottom: 0; }

    /* ===== Flow ===== */
    .guide-flow { background: var(--bg-page); }
    .flow-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .flow-step {
      background: var(--bg-surface);
      border-radius: 20px;
      border: 1px solid var(--border-light);
      padding: 28px 24px;
      position: relative;
      overflow: hidden;
      transition: transform .25s, box-shadow .25s;
    }
    .flow-step::before {
      content: "";
      position: absolute;
      left: 0; top: 0; bottom: 0;
      width: 4px;
      background: var(--gradient-brand);
    }
    .flow-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
    .step-num {
      font-size: 28px;
      font-weight: 800;
      color: rgba(15,118,110,.22);
      font-variant-numeric: tabular-nums;
      margin-bottom: 10px;
    }
    .flow-step h3 { font-size: 18px; margin-bottom: 8px; }
    .flow-step p { font-size: 14px; color: var(--ink-muted); margin-bottom: 0; }

    /* ===== Hot Guides ===== */
    .guide-hot { background: var(--bg-surface); }
    .hot-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .hot-card {
      background: var(--bg-surface);
      border-radius: 20px;
      overflow: hidden;
      border: 1px solid var(--border-light);
      transition: transform .25s, box-shadow .25s;
    }
    .hot-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
    .hot-img {
      position: relative;
      aspect-ratio: 4 / 3;
      overflow: hidden;
    }
    .hot-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .4s;
    }
    .hot-card:hover .hot-img img { transform: scale(1.04); }
    .hot-badge {
      position: absolute;
      top: 14px; left: 14px;
      background: var(--gradient-brand);
      color: #fff;
      font-size: 12px;
      font-weight: 600;
      padding: 5px 12px;
      border-radius: 999px;
      box-shadow: 0 4px 12px rgba(15,118,110,.35);
      border: 1px solid rgba(212,167,44,.4);
    }
    .hot-content { padding: 20px 22px 24px; }
    .hot-content h3 { font-size: 17px; line-height: 1.5; margin-bottom: 8px; }
    .hot-content p { font-size: 14px; color: var(--ink-muted); margin-bottom: 14px; }
    .hot-link {
      font-size: 14px;
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--brand-primary);
    }
    .hot-link i { transition: transform .2s; }
    .hot-link:hover i { transform: translateX(4px); }

    /* ===== FAQ ===== */
    .cat-faq { background: var(--bg-tint); }
    .faq-accordion { border: none; background: transparent; }
    .faq-accordion .accordion-item {
      border: 1px solid var(--border-light);
      border-radius: 14px;
      background: var(--bg-surface);
      margin-bottom: 14px;
      overflow: hidden;
      transition: border-color .25s, box-shadow .25s;
    }
    .faq-accordion .accordion-item:last-child { margin-bottom: 0; }
    .faq-accordion .accordion-item.is-active {
      border-color: rgba(15,118,110,.35);
      box-shadow: var(--shadow-card);
    }
    .faq-accordion .accordion-title {
      display: flex;
      align-items: center;
      padding: 18px 22px;
      padding-right: 48px;
      font-size: 16px;
      font-weight: 600;
      color: var(--ink-normal);
      background: transparent;
      border: none;
      min-height: 54px;
      position: relative;
    }
    .faq-accordion .accordion-title::before { content: none; }
    .faq-accordion .accordion-title::after {
      content: "\f078";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      position: absolute;
      right: 22px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--brand-primary);
      font-size: 14px;
    }
    .faq-accordion .accordion-item.is-active > .accordion-title::after { content: "\f077"; }
    .faq-accordion .accordion-content {
      background: var(--bg-surface);
      border: none;
      padding: 0 22px 20px;
      color: var(--ink-muted);
      font-size: 15px;
      line-height: 1.8;
    }

    /* ===== CTA ===== */
    .cat-cta { background: var(--bg-page); }
    .cta-box {
      background: var(--gradient-brand);
      border-radius: 24px;
      padding: 56px 48px;
      text-align: center;
      color: #fff;
      position: relative;
      overflow: hidden;
    }
    .cta-box::before {
      content: "";
      position: absolute;
      width: 260px; height: 260px;
      border-radius: 50%;
      background: rgba(255,255,255,.08);
      top: -100px; right: -80px;
    }
    .cta-box::after {
      content: "";
      position: absolute;
      width: 160px; height: 160px;
      border-radius: 50%;
      background: rgba(255,255,255,.05);
      bottom: -70px; left: 40px;
    }
    .cta-box h2 {
      color: #fff;
      font-size: clamp(24px, 3vw, 34px);
      margin-bottom: 10px;
      position: relative;
      z-index: 1;
    }
    .cta-box p { color: rgba(255,255,255,.85); margin-bottom: 26px; position: relative; z-index: 1; }
    .cta-box .btn { position: relative; z-index: 1; }
    .cta-risk {
      font-size: 13px;
      opacity: .65;
      margin-top: 16px;
      margin-bottom: 0;
      position: relative;
      z-index: 1;
    }

    /* ===== Footer ===== */
    .app-footer {
      background: #0B4F47;
      color: rgba(255,255,255,.75);
      padding: 48px 40px 32px;
    }
    .footer-grid {
      max-width: 1160px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr;
      gap: 40px;
      padding-bottom: 36px;
      border-bottom: 1px solid rgba(255,255,255,.12);
    }
    .footer-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 12px;
    }
    .footer-logo i { color: var(--accent-gold); }
    .footer-brand p { font-size: 14px; color: rgba(255,255,255,.65); margin-bottom: 0; }
    .footer-col h4 { color: #fff; font-size: 15px; margin-bottom: 14px; }
    .footer-col ul li { margin-bottom: 8px; }
    .footer-col a { color: rgba(255,255,255,.7); font-size: 14px; transition: color .2s ease; }
    .footer-col a:hover { color: var(--accent-gold); }
    .footer-bottom {
      max-width: 1160px;
      margin: 24px auto 0;
      display: flex;
      flex-wrap: wrap;
      gap: 12px 24px;
      justify-content: space-between;
      font-size: 13px;
      color: rgba(255,255,255,.5);
    }

    /* ===== Responsive ===== */
    @media (max-width: 1023px) and (min-width: 768px) {
      .app-sidebar { width: var(--w-sidebar-sm); padding: 20px 12px; }
      .sidebar-brand { justify-content: center; padding: 0; }
      .sidebar-brand .brand-text { display: none; }
      .sidebar-nav { gap: 8px; margin-bottom: 20px; }
      .sidebar-nav a {
        justify-content: center;
        padding: 14px 0;
        font-size: 0;
        gap: 0;
      }
      .sidebar-nav a i { font-size: 18px; margin: 0; }
      .sidebar-nav a.active::before { left: -12px; }
      .sidebar-foot { padding: 0; display: flex; justify-content: center; }
      .sidebar-foot .btn-ghost-dark {
        font-size: 0;
        width: 48px;
        height: 48px;
        padding: 0;
        gap: 0;
      }
      .sidebar-foot .btn-ghost-dark i { font-size: 16px; }
      .app-main { margin-left: var(--w-sidebar-sm); }
      .cat-hero-card { flex-direction: column; }
      .cat-hero-img { width: 100%; min-height: 240px; order: -1; }
      .matrix-card, .matrix-right { flex-direction: column; }
      .matrix-img { width: 100%; min-height: 220px; }
      .value-grid, .audience-grid { grid-template-columns: repeat(2, 1fr); }
      .hot-grid, .flow-steps { grid-template-columns: repeat(2, 1fr); }
    }

    @media (max-width: 767px) {
      .app-sidebar { display: none; }
      .app-main { margin-left: 0; }
      .mobile-header { display: flex; }
      .container { padding: 0 20px; }
      .cat-hero { padding: 20px 0 0; }
      .cat-hero-card { flex-direction: column; box-shadow: none; border: none; }
      .cat-hero-img { width: 100%; min-height: 200px; order: -1; }
      .cat-hero-img::after { background: linear-gradient(180deg, rgba(247,249,248,.2) 0%, rgba(247,249,248,.85) 100%); }
      .cat-hero-content { padding: 32px 20px; }
      .sec { padding: 40px 0; }
      .section-head { margin-bottom: 28px; }
      .value-grid, .audience-grid, .hot-grid, .flow-steps { grid-template-columns: 1fr; }
      .matrix-card, .matrix-right { flex-direction: column; }
      .matrix-img { width: 100%; min-height: 200px; }
      .matrix-content { padding: 24px 20px; }
      .cta-box { padding: 40px 24px; }
      .app-footer { padding: 40px 20px 28px; }
      .footer-grid { grid-template-columns: 1fr; gap: 28px; }
      .footer-bottom { flex-direction: column; gap: 8px; }
    }

    @media (max-width: 520px) {
      .hero-actions { flex-direction: column; }
      .hero-actions .btn { width: 100%; }
      .hero-data { flex-direction: column; }
      .hero-data-item { justify-content: center; }
      .cat-hero-content { padding: 28px 20px; }
      .matrix-content h3 { font-size: 19px; }
      .cta-box h2 { font-size: 22px; }
    }

/* roulang page: category4 */
:root {
            --brand-primary: #0F766E;
            --brand-secondary: #14B8A6;
            --accent-gold: #D4A72C;
            --accent-coral: #F97350;
            --gradient-brand: linear-gradient(135deg, #0F766E 0%, #14B8A6 100%);
            --gradient-cta: linear-gradient(135deg, #F97350 0%, #D4A72C 100%);
            --bg-page: #F7F9F8;
            --bg-surface: #FFFFFF;
            --bg-tint: #E9F3F1;
            --ink-normal: #1F2937;
            --ink-muted: #4B5563;
            --border-light: #E2E8E5;
            --shadow-card: 0 12px 30px -12px rgba(15, 118, 110, 0.18);
            --shadow-cta: 0 16px 40px -16px rgba(15, 118, 110, 0.45);
            --radius-lg: 20px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --space-section: 64px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            background: var(--bg-page);
            color: var(--ink-normal);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s ease;
        }

        a:hover {
            color: var(--brand-primary);
        }

        ul,
        ol {
            list-style: none;
        }

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

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        :focus-visible {
            outline: 3px solid rgba(20, 184, 166, 0.4);
            outline-offset: 2px;
        }

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

        .sidebar {
            width: 240px;
            min-width: 240px;
            background: var(--bg-surface);
            border-right: 1px solid var(--border-light);
            position: fixed;
            top: 0;
            bottom: 0;
            left: 0;
            z-index: 100;
            display: flex;
            flex-direction: column;
            transition: transform .3s ease;
        }

        .sidebar-brand {
            padding: 28px 24px 18px;
            border-bottom: 1px solid var(--border-light);
        }

        .logo-text {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--brand-primary);
            letter-spacing: -0.5px;
        }

        .logo-text i {
            font-size: 20px;
            color: var(--accent-coral);
        }

        .sidebar-nav {
            padding: 18px 12px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 500;
            color: var(--ink-muted);
            position: relative;
            transition: background .2s ease, color .2s ease;
        }

        .sidebar-nav a i {
            width: 20px;
            text-align: center;
            font-size: 15px;
            color: var(--ink-muted);
            transition: color .2s ease;
        }

        .sidebar-nav a:hover {
            background: var(--bg-tint);
            color: var(--brand-primary);
        }

        .sidebar-nav a:hover i {
            color: var(--brand-primary);
        }

        .sidebar-nav a.active {
            background: linear-gradient(135deg, rgba(15, 118, 110, 0.08), rgba(20, 184, 166, 0.06));
            color: var(--brand-primary);
            font-weight: 700;
        }

        .sidebar-nav a.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 24px;
            border-radius: 0 4px 4px 0;
            background: var(--gradient-brand);
        }

        .sidebar-nav a.active i {
            color: var(--brand-primary);
        }

        .sidebar-cta {
            padding: 20px;
            border-top: 1px solid var(--border-light);
        }

        .sidebar-cta .btn-sidebar {
            display: block;
            width: 100%;
            height: 46px;
            line-height: 46px;
            text-align: center;
            background: var(--gradient-brand);
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 14px;
            transition: box-shadow .2s ease, transform .2s ease;
        }

        .sidebar-cta .btn-sidebar:hover {
            box-shadow: var(--shadow-cta);
            transform: translateY(-2px);
            color: #fff;
        }

        .sidebar-footer-note {
            padding: 0 20px 20px;
            font-size: 12px;
            color: var(--ink-muted);
            text-align: center;
            opacity: .75;
        }

        .main-area {
            flex: 1;
            margin-left: 240px;
            min-width: 0;
        }

        .mobile-topbar {
            display: none;
            position: sticky;
            top: 0;
            z-index: 90;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 16px;
            align-items: center;
            justify-content: space-between;
        }

        .mobile-topbar .logo-text {
            font-size: 18px;
        }

        .mobile-topbar .menu-btn {
            background: none;
            font-size: 22px;
            color: var(--brand-primary);
            padding: 8px;
            border-radius: var(--radius-sm);
        }

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

        .drawer-mask {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, 0.4);
            z-index: 110;
            opacity: 0;
            transition: opacity .3s ease;
        }

        .drawer {
            display: none;
            position: fixed;
            top: 0;
            bottom: 0;
            left: 0;
            width: 280px;
            background: var(--bg-surface);
            z-index: 120;
            transform: translateX(-100%);
            transition: transform .3s ease;
            flex-direction: column;
            box-shadow: 4px 0 20px rgba(0, 0, 0, 0.08);
        }

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

        .drawer-mask.open {
            display: block;
            opacity: 1;
        }

        .drawer-head {
            padding: 20px;
            border-bottom: 1px solid var(--border-light);
        }

        .drawer-nav {
            padding: 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .drawer-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 500;
            color: var(--ink-muted);
        }

        .drawer-nav a i {
            width: 20px;
            text-align: center;
        }

        .drawer-nav a.active {
            background: var(--bg-tint);
            color: var(--brand-primary);
            font-weight: 700;
        }

        .drawer-footer {
            padding: 16px 20px;
            border-top: 1px solid var(--border-light);
        }

        .drawer-footer .btn-sidebar {
            display: block;
            width: 100%;
            height: 46px;
            line-height: 46px;
            text-align: center;
            background: var(--gradient-brand);
            color: #fff;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 14px;
        }

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

        .page-hero {
            padding: 48px 0 32px;
            background: linear-gradient(180deg, var(--bg-tint) 0%, var(--bg-page) 100%);
            border-bottom: 1px solid var(--border-light);
        }

        .page-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 28px;
            font-size: 13px;
            color: var(--ink-muted);
        }

        .page-hero .breadcrumb a {
            color: var(--ink-muted);
        }

        .page-hero .breadcrumb a:hover {
            color: var(--brand-primary);
        }

        .page-hero .breadcrumb i {
            font-size: 12px;
            color: #9CA3AF;
        }

        .page-hero .breadcrumb .current {
            color: var(--brand-primary);
            font-weight: 600;
        }

        .hero-card {
            display: flex;
            align-items: center;
            gap: 48px;
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            padding: 40px;
            border: 1px solid rgba(15, 118, 110, 0.08);
        }

        .hero-content {
            flex: 1;
            min-width: 0;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--bg-tint);
            color: var(--brand-primary);
            border-radius: 999px;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .hero-content h1 {
            font-size: clamp(28px, 3.5vw, 42px);
            font-weight: 800;
            line-height: 1.25;
            color: var(--ink-normal);
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }

        .hero-content .hero-desc {
            font-size: 16px;
            color: var(--ink-muted);
            line-height: 1.75;
            margin-bottom: 24px;
            max-width: 480px;
        }

        .hero-btns {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 50px;
            padding: 0 28px;
            border-radius: var(--radius-md);
            background: var(--gradient-brand);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            transition: box-shadow .2s ease, transform .2s ease;
        }

        .btn-primary:hover {
            box-shadow: var(--shadow-cta);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 50px;
            padding: 0 28px;
            border-radius: var(--radius-md);
            background: transparent;
            border: 1px solid var(--brand-primary);
            color: var(--brand-primary);
            font-size: 15px;
            font-weight: 600;
            transition: background .2s ease, transform .2s ease;
        }

        .btn-secondary:hover {
            background: rgba(15, 118, 110, 0.05);
            transform: translateY(-2px);
        }

        .hero-media {
            flex-shrink: 0;
            width: 300px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
        }

        .hero-media img {
            width: 100%;
            height: 280px;
            object-fit: cover;
            border-radius: 16px;
        }

        .hero-media .media-badge {
            position: absolute;
            bottom: 12px;
            left: 12px;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(4px);
            border-radius: 999px;
            padding: 6px 14px;
            font-size: 12px;
            font-weight: 600;
            color: var(--brand-primary);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .section-block {
            padding: var(--space-section) 0;
        }

        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px;
        }

        .section-head .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--accent-gold);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 12px;
        }

        .section-head h2 {
            font-size: clamp(24px, 3vw, 34px);
            font-weight: 800;
            color: var(--ink-normal);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-head p {
            font-size: 15px;
            color: var(--ink-muted);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .step-card {
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            border: 1px solid var(--border-light);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
            position: relative;
            transition: box-shadow .25s ease, transform .25s ease;
        }

        .step-card:hover {
            box-shadow: var(--shadow-card);
            transform: translateY(-4px);
        }

        .step-num {
            font-size: 14px;
            font-weight: 800;
            color: var(--accent-gold);
            background: rgba(212, 167, 44, 0.1);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 999px;
            padding: 4px 14px;
            margin-bottom: 16px;
            letter-spacing: 1px;
            font-variant-numeric: tabular-nums;
        }

        .step-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--ink-normal);
            margin-bottom: 10px;
        }

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

        .step-line {
            position: absolute;
            top: 50%;
            right: -24px;
            width: 24px;
            height: 2px;
            background: linear-gradient(90deg, var(--brand-secondary), transparent);
            display: none;
        }

        .tutorials-section {
            background: var(--bg-surface);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .tutorial-list {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }

        .tutorial-card {
            display: flex;
            gap: 32px;
            background: var(--bg-page);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: box-shadow .25s ease, transform .25s ease;
        }

        .tutorial-card:hover {
            box-shadow: var(--shadow-card);
            transform: translateY(-3px);
        }

        .tutorial-card.flip {
            flex-direction: row-reverse;
        }

        .tutorial-media {
            flex-shrink: 0;
            width: 380px;
            min-height: 260px;
            overflow: hidden;
            position: relative;
        }

        .tutorial-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .tutorial-card:hover .tutorial-media img {
            transform: scale(1.03);
        }

        .tutorial-body {
            flex: 1;
            padding: 32px 32px 32px 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .tutorial-card.flip .tutorial-body {
            padding: 32px 0 32px 32px;
        }

        .tutorial-tag {
            align-self: flex-start;
            background: linear-gradient(135deg, rgba(15, 118, 110, 0.08), rgba(20, 184, 166, 0.06));
            color: var(--brand-primary);
            border-radius: 999px;
            padding: 5px 14px;
            font-size: 12px;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .tutorial-body h3 {
            font-size: 21px;
            font-weight: 800;
            color: var(--ink-normal);
            line-height: 1.4;
            margin-bottom: 12px;
        }

        .tutorial-body .tutorial-desc {
            font-size: 15px;
            color: var(--ink-muted);
            line-height: 1.75;
            margin-bottom: 18px;
        }

        .tutorial-meta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .tutorial-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--ink-muted);
            background: var(--bg-surface);
            border-radius: 999px;
            padding: 5px 12px;
            border: 1px solid var(--border-light);
        }

        .tutorial-meta .meta-item i {
            color: var(--accent-gold);
        }

        .stats-section {
            background: linear-gradient(135deg, #0B4F47 0%, #0F766E 60%, #14B8A6 100%);
            padding: 64px 0;
        }

        .stats-section .section-head h2 {
            color: #fff;
        }

        .stats-section .section-head p {
            color: rgba(255, 255, 255, 0.75);
        }

        .stats-section .section-label {
            color: var(--accent-gold);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-top: 24px;
        }

        .stat-item {
            text-align: center;
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 32px 20px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(4px);
        }

        .stat-num {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            font-variant-numeric: tabular-nums;
        }

        .stat-num span {
            font-size: 18px;
            font-weight: 600;
            margin-left: 2px;
            color: var(--accent-gold);
        }

        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 8px;
        }

        .scenario-section {
            background: var(--bg-page);
        }

        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .scenario-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border-light);
            transition: box-shadow .2s ease, border-color .2s ease;
        }

        .scenario-item:hover {
            box-shadow: var(--shadow-card);
            border-color: rgba(15, 118, 110, 0.25);
        }

        .scenario-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--bg-tint);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-primary);
            font-size: 18px;
            flex-shrink: 0;
        }

        .scenario-item h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--ink-normal);
            margin-bottom: 4px;
        }

        .scenario-item p {
            font-size: 14px;
            color: var(--ink-muted);
            line-height: 1.6;
        }

        .faq-section {
            background: var(--bg-tint);
        }

        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .accordion-item {
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: border-color .2s ease, box-shadow .2s ease;
        }

        .accordion-item:hover {
            border-color: rgba(15, 118, 110, 0.3);
        }

        .accordion-item.is-active {
            border-color: var(--brand-primary);
            box-shadow: 0 4px 12px rgba(15, 118, 110, 0.1);
        }

        .accordion-title {
            padding: 18px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--ink-normal);
            background: none;
            width: 100%;
            text-align: left;
            transition: color .2s ease;
        }

        .accordion-title:hover {
            color: var(--brand-primary);
        }

        .accordion-title i {
            font-size: 14px;
            color: var(--brand-secondary);
            transition: transform .3s ease;
        }

        .accordion-item.is-active .accordion-title i {
            transform: rotate(180deg);
        }

        .accordion-content {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease, padding .3s ease;
        }

        .accordion-content-inner {
            padding-bottom: 18px;
            font-size: 14px;
            color: var(--ink-muted);
            line-height: 1.75;
            border-top: 1px dashed var(--border-light);
            padding-top: 14px;
        }

        .cta-section {
            padding: 80px 0;
        }

        .cta-card {
            background: var(--gradient-brand);
            border-radius: 24px;
            padding: 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-cta);
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(212, 167, 44, 0.2), transparent 70%);
            border-radius: 50%;
        }

        .cta-card::after {
            content: '';
            position: absolute;
            bottom: -60%;
            left: -10%;
            width: 250px;
            height: 250px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.1), transparent 70%);
            border-radius: 50%;
        }

        .cta-card .cta-content {
            position: relative;
            z-index: 2;
        }

        .cta-card h2 {
            font-size: clamp(24px, 3.5vw, 36px);
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .cta-card .cta-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
            max-width: 460px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-btns {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 50px;
            padding: 0 30px;
            border-radius: var(--radius-md);
            background: #fff;
            color: var(--brand-primary);
            font-size: 15px;
            font-weight: 700;
            transition: transform .2s ease, box-shadow .2s ease;
        }

        .btn-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
            color: var(--brand-primary);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 50px;
            padding: 0 30px;
            border-radius: var(--radius-md);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            transition: background .2s ease, transform .2s ease;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
            color: #fff;
        }

        .app-footer {
            background: #0B4F47;
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            margin-bottom: 40px;
        }

        .footer-brand .footer-logo {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }

        .footer-brand .footer-logo i {
            color: var(--accent-coral);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: color .2s ease;
        }

        .footer-col a:hover {
            color: var(--accent-gold);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px 24px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: space-between;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        @media (min-width: 1024px) {
            .step-line {
                display: block;
            }
        }

        @media (max-width: 1023px) {
            .sidebar {
                transform: translateX(-100%);
            }

            .main-area {
                margin-left: 0;
            }

            .mobile-topbar {
                display: flex;
            }

            .drawer {
                display: flex;
            }

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .tutorial-card,
            .tutorial-card.flip {
                flex-direction: column;
            }

            .tutorial-media {
                width: 100%;
                min-height: 220px;
            }

            .tutorial-body {
                padding: 24px !important;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 24px 0 24px;
            }

            .hero-card {
                flex-direction: column;
                padding: 24px;
                gap: 20px;
            }

            .hero-media {
                width: 100%;
            }

            .hero-media img {
                height: 220px;
            }

            .hero-btns .btn-primary,
            .hero-btns .btn-secondary {
                width: 100%;
                justify-content: center;
            }

            .section-block {
                padding: 40px 0;
            }

            .section-head {
                margin-bottom: 32px;
            }

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

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

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

            .stat-item {
                padding: 24px 16px;
            }

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

            .cta-card {
                padding: 32px 20px;
            }

            .cta-btns .btn-light,
            .cta-btns .btn-outline-light {
                width: 100%;
                justify-content: center;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            body {
                font-size: 15px;
            }

            .container-page {
                padding: 0 16px;
            }

            .hero-content h1 {
                font-size: 26px;
            }

            .tutorial-body h3 {
                font-size: 18px;
            }

            .tutorial-meta {
                flex-direction: column;
                gap: 8px;
            }

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