/* roulang page: index */
:root {
  --primary: #00C47D;
  --primary-dark: #00A96A;
  --accent: #FF6A00;
  --bg-base: #FAFAF8;
  --bg-card: #FFFFFF;
  --bg-sunken: #F0F0EA;
  --bg-dark: #0B1210;
  --text-primary: #111C17;
  --text-secondary: #3E4F48;
  --text-tertiary: #7C8F87;
  --text-invert: #FFFFFF;
  --line: #E5E6E0;
  --line-light: #EFF0EB;
  --radius-lg: 12px;
  --radius-md: 8px;
  --radius-pill: 999px;
  --shadow-hover: 0 8px 30px rgba(10, 25, 18, 0.10);
  --shadow-static: 0 1px 2px rgba(10, 25, 18, 0.04);
  --container: 1200px;
  --spacing-section: 96px;
  --spacing-section-mobile: 56px;
  --nav-height: 72px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif; background: var(--bg-base); color: var(--text-primary); line-height: 1.7; font-size: 16px; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }
input { font-family: inherit; }
ul, ol { list-style: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--spacing-section) 0; }
@media (max-width: 767px) {
  .container { padding: 0 16px; }
  .section { padding: var(--spacing-section-mobile) 0; }
}
.section-header { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 32px; gap: 16px; flex-wrap: wrap; }
.section-title { font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 700; letter-spacing: -0.02em; line-height: 1.2; }
.section-title .en { display: block; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-tertiary); margin-top: 6px; }
.section-link { color: var(--primary-dark); font-size: 0.875rem; font-weight: 500; display: inline-flex; align-items: center; gap: 6px; transition: gap 0.3s ease; }
.section-link:hover { gap: 10px; }
.badge { display: inline-block; padding: 3px 10px; border-radius: var(--radius-pill); font-size: 0.75rem; font-weight: 500; letter-spacing: 0.03em; background: var(--bg-sunken); color: var(--text-secondary); }
.badge-hot { background: var(--accent); color: #fff; }
.badge-live { background: var(--primary); color: #fff; }
.badge-coming { background: var(--bg-sunken); color: var(--text-secondary); }
.badge-replay { background: #E8EAE4; color: var(--text-tertiary); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: none; border-radius: var(--radius-md); font-size: 0.9375rem; font-weight: 600; padding: 10px 20px; min-height: 44px; transition: all 0.25s cubic-bezier(0.2, 0.7, 0.3, 1); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateX(2px); }
.btn-secondary { background: transparent; border: 1px solid rgba(255,255,255,0.6); color: #fff; }
.btn-secondary:hover { background: rgba(255,255,255,0.1); border-color: #fff; transform: translateX(2px); }
.btn-outline { background: var(--bg-card); border: 1px solid var(--primary); color: var(--primary-dark); }
.btn-outline:hover { background: rgba(0,196,125,0.08); transform: translateY(-2px); }
.btn-dark { background: var(--bg-dark); color: #fff; }
.btn-dark:hover { background: #18241f; transform: translateX(2px); }
.site-header { position: fixed; top: 0; left: 0; width: 100%; z-index: 100; height: var(--nav-height); background: var(--bg-base); border-bottom: 1px solid var(--line); transition: all 0.3s ease; }
.site-header.scrolled { background: rgba(250,250,248,0.92); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); box-shadow: 0 1px 8px rgba(10,25,18,0.06); }
.header-inner { max-width: var(--container); margin: 0 auto; padding: 0 24px; height: var(--nav-height); display: flex; align-items: center; gap: 32px; }
.header-logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.header-logo .logo-icon { width: 40px; height: 40px; border-radius: 10px; background: var(--bg-dark); display: flex; align-items: center; justify-content: center; }
.header-logo .logo-text { font-size: 1.25rem; font-weight: 800; color: var(--text-primary); letter-spacing: -0.01em; }
.header-nav { display: flex; align-items: center; gap: 4px; flex: 1; }
.header-nav .nav-link { display: inline-flex; align-items: center; padding: 8px 16px; font-size: 0.9375rem; color: var(--text-tertiary); font-weight: 500; position: relative; border-radius: var(--radius-md); transition: color 0.25s ease; }
.header-nav .nav-link::after { content: ''; position: absolute; left: 16px; right: 16px; bottom: 0; height: 3px; background: var(--primary); border-radius: 3px 3px 0 0; transform: scaleX(0); transform-origin: left; transition: transform 0.25s ease; }
.header-nav .nav-link:hover { color: var(--text-primary); }
.header-nav .nav-link.active { color: var(--text-primary); }
.header-nav .nav-link.active::after { transform: scaleX(1); }
.header-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.header-search { display: flex; align-items: center; background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--radius-md); height: 40px; padding: 0 4px 0 14px; transition: border-color 0.25s ease; }
.header-search:focus-within { border-color: var(--primary); box-shadow: 0 0 0 2px rgba(0,196,125,0.2); }
.header-search input { border: none; outline: none; background: transparent; width: 130px; font-size: 0.875rem; color: var(--text-primary); }
.header-search button { border: none; background: transparent; color: var(--text-tertiary); padding: 8px; display: flex; align-items: center; justify-content: center; border-radius: var(--radius-md); transition: background 0.2s, color 0.2s; }
.header-search button:hover { color: var(--primary-dark); background: var(--bg-sunken); }
.btn-login { background: transparent; border: none; color: var(--text-primary); font-size: 0.875rem; font-weight: 500; padding: 8px 12px; border-radius: var(--radius-md); transition: background 0.2s; }
.btn-login:hover { background: var(--bg-sunken); }
.hamburger { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 44px; height: 44px; background: transparent; border: none; padding: 10px; border-radius: var(--radius-md); }
.hamburger span { display: block; height: 2px; width: 24px; background: var(--text-primary); border-radius: 2px; transition: all 0.3s ease; }
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.hero { position: relative; min-height: 80vh; min-height: 560px; display: flex; align-items: center; margin-top: var(--nav-height); overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat; transform: scale(1.05); animation: heroZoom 20s ease-in-out infinite alternate; }
@keyframes heroZoom { from { transform: scale(1.05); } to { transform: scale(1.12); } }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(11,18,16,0.85) 0%, rgba(11,18,16,0.45) 50%, rgba(11,18,16,0.2) 100%); }
.hero-content { position: relative; z-index: 2; max-width: var(--container); margin: 0 auto; padding: 0 24px; width: 100%; }
.hero-title { font-size: clamp(2.5rem, 6vw, 4.5rem); font-weight: 800; color: #fff; line-height: 1.05; letter-spacing: -0.02em; margin-bottom: 20px; }
.hero-subtitle { font-size: 1.125rem; color: rgba(255,255,255,0.85); max-width: 560px; margin-bottom: 36px; line-height: 1.7; }
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-stats { display: flex; gap: 48px; flex-wrap: wrap; border-top: 1px solid rgba(255,255,255,0.15); padding-top: 24px; }
.hero-stat { }
.hero-stat .num { font-size: 2rem; font-weight: 700; color: #fff; font-family: 'Oswald', 'Barlow Condensed', 'Arial Narrow', sans-serif; line-height: 1; }
.hero-stat .label { font-size: 0.75rem; color: rgba(255,255,255,0.6); margin-top: 6px; letter-spacing: 0.04em; }
@media (max-width: 767px) {
  .hero-title { font-size: clamp(2rem, 9vw, 2.8rem); }
  .hero-stats { gap: 24px; }
  .hero-stat .num { font-size: 1.5rem; }
}
.hot-section { padding: var(--spacing-section) 0; }
.slide-container { position: relative; }
.slide-track { display: flex; gap: 20px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; -ms-overflow-style: none; cursor: grab; }
.slide-track::-webkit-scrollbar { display: none; }
.slide-track.dragging { cursor: grabbing; scroll-snap-type: none; }
.slide-card { scroll-snap-align: start; flex-shrink: 0; width: 280px; border-radius: var(--radius-lg); background: var(--bg-card); overflow: hidden; box-shadow: var(--shadow-static); transition: transform 0.25s cubic-bezier(0.2,0.7,0.3,1), box-shadow 0.25s ease; position: relative; }
.slide-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.slide-cover { position: relative; aspect-ratio: 4/5; overflow: hidden; }
.slide-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.slide-card:hover .slide-cover img { transform: scale(1.03); }
.slide-play { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%) scale(0.7); width: 48px; height: 48px; border-radius: var(--radius-pill); background: var(--primary); display: flex; align-items: center; justify-content: center; opacity: 0; transition: all 0.3s ease; box-shadow: 0 4px 16px rgba(0,196,125,0.4); }
.slide-card:hover .slide-play { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.slide-play svg { width: 20px; height: 20px; fill: #fff; }
.slide-info { padding: 16px 16px 14px; }
.slide-title { font-size: 1.125rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-bottom: 6px; color: var(--text-primary); }
.slide-meta { display: flex; align-items: center; justify-content: space-between; }
.slide-time { font-size: 0.75rem; color: var(--text-tertiary); }
.slide-status { font-size: 0.75rem; font-weight: 500; padding: 3px 10px; border-radius: var(--radius-pill); }
.featured-section { padding: 0 0 var(--spacing-section); }
.filter-group { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-btn { padding: 7px 18px; border-radius: var(--radius-pill); border: 1px solid var(--line); background: var(--bg-card); font-size: 0.8125rem; color: var(--text-secondary); font-weight: 500; transition: all 0.25s ease; }
.filter-btn:hover { border-color: var(--primary); color: var(--primary-dark); }
.filter-btn.active { background: var(--bg-dark); color: #fff; border-color: var(--bg-dark); }
.featured-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.featured-card { border-radius: var(--radius-lg); overflow: hidden; background: var(--bg-card); box-shadow: var(--shadow-static); transition: transform 0.25s cubic-bezier(0.2,0.7,0.3,1), box-shadow 0.25s ease; cursor: pointer; display: block; }
.featured-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.featured-cover { position: relative; aspect-ratio: 16/9; overflow: hidden; }
.featured-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.featured-card:hover .featured-cover img { transform: scale(1.03); }
.featured-cover .hot-corner { position: absolute; top: 10px; left: 10px; background: var(--accent); color: #fff; padding: 3px 10px; border-radius: var(--radius-pill); font-size: 0.75rem; font-weight: 600; }
.featured-body { padding: 16px; }
.featured-body h3 { font-size: 1.125rem; font-weight: 600; margin-bottom: 8px; color: var(--text-primary); line-height: 1.4; }
.featured-body p { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.6; margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.featured-meta { display: flex; align-items: center; gap: 8px; font-size: 0.75rem; color: var(--text-tertiary); }
.featured-meta .badge { padding: 2px 8px; }
.featured-meta .views { margin-left: auto; display: flex; align-items: center; gap: 4px; }
.featured-meta .views svg { width: 14px; height: 14px; fill: var(--text-tertiary); }
@media (max-width: 1199px) {
  .featured-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 991px) {
  .featured-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 767px) {
  .featured-grid { grid-template-columns: 1fr; }
  .slide-card { width: 200px; }
}
.playlist-section { padding: 0 0 var(--spacing-section); }
.playlist-block { margin-bottom: 56px; }
.playlist-block:last-child { margin-bottom: 0; }
.playlist-head { display: flex; align-items: center; gap: 20px; margin-bottom: 24px; }
.playlist-num { font-size: 2.5rem; font-weight: 800; color: rgba(0,196,125,0.3); font-family: 'Oswald', 'Arial Narrow', sans-serif; line-height: 1; }
.playlist-title { font-size: 1.5rem; font-weight: 600; }
.playlist-track { display: flex; gap: 20px; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; -ms-overflow-style: none; cursor: grab; }
.playlist-track::-webkit-scrollbar { display: none; }
.playlist-card { scroll-snap-align: start; flex-shrink: 0; width: 280px; border-radius: var(--radius-lg); overflow: hidden; background: var(--bg-card); box-shadow: var(--shadow-static); transition: transform 0.25s ease, box-shadow 0.25s ease; }
.playlist-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.playlist-cover { aspect-ratio: 16/10; overflow: hidden; position: relative; }
.playlist-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.playlist-card:hover .playlist-cover img { transform: scale(1.03); }
.playlist-cover .badge { position: absolute; bottom: 10px; left: 10px; background: rgba(11,18,16,0.65); color: #fff; backdrop-filter: blur(4px); }
.playlist-info { padding: 14px 16px; }
.playlist-info h4 { font-size: 1rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--text-primary); }
.playlist-info .time { font-size: 0.75rem; color: var(--text-tertiary); margin-top: 4px; }
@media (max-width: 991px) {
  .playlist-card, .slide-card { width: 240px; }
}
.cta-band { background: var(--bg-dark); padding: 0; margin: 0; }
.cta-inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 32px; padding: 44px 0; min-height: 160px; }
.cta-bg { position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center/cover no-repeat; opacity: 0.12; }
.cta-content { position: relative; z-index: 1; }
.cta-content h2 { font-size: 1.5rem; color: #fff; font-weight: 600; margin-bottom: 8px; }
.cta-content p { font-size: 0.875rem; color: rgba(255,255,255,0.6); }
.cta-btn { position: relative; z-index: 1; flex-shrink: 0; }
.news-section { padding: var(--spacing-section) 0; }
.news-layout { display: grid; grid-template-columns: 1fr 1.2fr; gap: 32px; align-items: start; }
.news-main-card { display: block; border-radius: var(--radius-lg); overflow: hidden; position: relative; min-height: 360px; box-shadow: var(--shadow-static); transition: transform 0.25s ease, box-shadow 0.25s ease; }
.news-main-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.news-main-card img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; z-index: 0; }
.news-main-overlay { position: relative; z-index: 1; background: linear-gradient(180deg, transparent 0%, rgba(11,18,16,0.9) 100%); padding: 100px 24px 24px; min-height: 360px; display: flex; flex-direction: column; justify-content: flex-end; }
.news-main-overlay .badge { align-self: flex-start; margin-bottom: 12px; }
.news-main-overlay h3 { font-size: 1.25rem; color: #fff; font-weight: 600; margin-bottom: 8px; line-height: 1.5; }
.news-main-overlay p { font-size: 0.875rem; color: rgba(255,255,255,0.75); margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-main-overlay .time { font-size: 0.75rem; color: rgba(255,255,255,0.55); }
.news-list { display: flex; flex-direction: column; gap: 4px; }
.news-item { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding: 14px 0; border-left: 3px solid var(--primary); padding-left: 16px; transition: background 0.2s ease; border-radius: 0 var(--radius-md) var(--radius-md) 0; }
.news-item:hover { background: var(--bg-card); }
.news-item-content h4 { font-size: 0.9375rem; font-weight: 600; color: var(--text-primary); margin-bottom: 4px; transition: color 0.2s; line-height: 1.5; }
.news-item:hover .news-item-content h4 { color: var(--primary-dark); }
.news-item-content p { font-size: 0.8125rem; color: var(--text-secondary); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.news-item-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; flex-shrink: 0; }
.news-item-meta .time { font-size: 0.75rem; color: var(--text-tertiary); }
.news-empty-state { border: 2px dashed var(--line); border-radius: var(--radius-lg); height: 120px; display: flex; align-items: center; justify-content: center; color: var(--text-tertiary); font-size: 0.9375rem; grid-column: 1 / -1; background: var(--bg-card); }
@media (max-width: 991px) {
  .news-layout { grid-template-columns: 1fr; }
}
.faq-section { background: var(--bg-sunken); padding: var(--spacing-section) 0; }
.faq-list { max-width: 800px; }
.faq-item { border-bottom: 1px solid var(--line); background: transparent; }
.faq-item:first-child { border-top: 1px solid var(--line); }
.faq-question { display: flex; align-items: center; gap: 20px; padding: 20px 0; cursor: pointer; background: transparent; border: none; text-align: left; width: 100%; }
.faq-num { font-size: 0.875rem; font-family: 'Oswald', 'Arial Narrow', sans-serif; color: var(--primary); font-weight: 600; flex-shrink: 0; }
.faq-question h3 { font-size: 1rem; font-weight: 600; color: var(--text-primary); flex: 1; }
.faq-icon { width: 24px; height: 24px; position: relative; flex-shrink: 0; }
.faq-icon::before { content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 14px; height: 2px; background: var(--text-tertiary); border-radius: 2px; transition: background 0.3s; }
.faq-icon::after { content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 2px; height: 14px; background: var(--text-tertiary); border-radius: 2px; transition: transform 0.3s ease; }
.faq-item.active .faq-icon::after { transform: translate(-50%, -50%) rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-answer-inner { padding: 0 0 20px 48px; color: var(--text-secondary); font-size: 0.9375rem; line-height: 1.7; }
.faq-more { display: flex; justify-content: flex-end; margin-top: 24px; }
.faq-more a { color: var(--primary-dark); font-size: 0.9375rem; font-weight: 500; display: inline-flex; align-items: center; gap: 6px; transition: gap 0.3s; }
.faq-more a:hover { gap: 10px; }
.site-footer { background: var(--bg-dark); color: rgba(255,255,255,0.7); padding: 64px 0 32px; }
.footer-inner { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-brand .logo-text { font-size: 1.25rem; font-weight: 800; color: #fff; margin-bottom: 16px; display: flex; align-items: center; gap: 10px; }
.footer-brand .logo-icon { width: 36px; height: 36px; border-radius: 8px; background: var(--primary); display: inline-flex; align-items: center; justify-content: center; }
.footer-brand p { font-size: 0.875rem; line-height: 1.7; color: rgba(255,255,255,0.55); margin-bottom: 24px; max-width: 320px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a { width: 40px; height: 40px; border-radius: var(--radius-pill); border: 1px solid rgba(255,255,255,0.2); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.7); font-size: 0.875rem; transition: all 0.25s; }
.footer-social a:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
.footer-col h4 { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.1em; color: rgba(255,255,255,0.4); margin-bottom: 16px; font-weight: 600; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { font-size: 0.875rem; color: rgba(255,255,255,0.6); transition: color 0.2s; }
.footer-col ul a:hover { color: var(--primary); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; padding-top: 24px; font-size: 0.8125rem; color: rgba(255,255,255,0.35); flex-wrap: wrap; gap: 12px; }
@media (max-width: 991px) {
  .footer-top { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
  .footer-top { grid-template-columns: 1fr; gap: 32px; }
  .cta-inner { flex-direction: column; align-items: flex-start; padding: 32px 0; }
  .news-layout { grid-template-columns: 1fr; }
  .header-actions .btn-login { display: none; }
  .header-search { display: none; }
  .hamburger { display: flex; }
  .header-nav { position: fixed; top: var(--nav-height); left: 0; right: 0; background: var(--bg-base); flex-direction: column; align-items: stretch; padding: 16px; display: none; border-bottom: 1px solid var(--line); max-height: calc(100vh - 72px); overflow-y: auto; }
  .header-nav.open { display: flex; }
  .header-nav .nav-link { padding: 14px 16px; font-size: 1rem; }
  .header-nav .nav-link::after { display: none; }
  .header-nav .nav-link.active { background: var(--bg-sunken); }
  .hero { min-height: 70vh; }
  .hero-title { font-size: clamp(2rem, 9vw, 2.8rem); }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; }
  .hero-stats { gap: 16px; }
  .hero-stat { flex: 1 1 calc(50% - 16px); }
  .section { padding: 48px 0; }
  .playlist-card { width: 220px; }
  .slide-card { width: 200px; }
  .cta-btn .btn { width: 100%; }
}
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }

/* roulang page: category1 */
:root {
  --bg-base: #FAFAF8;
  --bg-card: #FFFFFF;
  --bg-sunken: #F0F0EA;
  --bg-dark: #0B1210;
  --text-primary: #111C17;
  --text-secondary: #3E4F48;
  --text-tertiary: #7C8F87;
  --text-invert: #FFFFFF;
  --line: #E5E6E0;
  --line-light: #EFF0EB;
  --primary: #00C47D;
  --primary-dark: #00A96A;
  --accent: #FF6A00;
  --radius-lg: 12px;
  --radius-md: 8px;
  --radius-pill: 999px;
  --shadow-hover: 0 8px 30px rgba(10, 25, 18, 0.10);
  --shadow-static: 0 1px 2px rgba(10, 25, 18, 0.04);
  --transition: 0.25s cubic-bezier(.2, .7, .3, 1);
  --container-w: 1200px;
  --header-h: 72px;
  --gutter: 24px;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

button, input {
  font: inherit;
  border: none;
  background: none;
  color: inherit;
}

ul, ol {
  list-style: none;
}

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* ===== Header ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-h);
  background: var(--bg-base);
  border-bottom: 1px solid var(--line);
  transition: background 0.3s, box-shadow 0.3s;
}

.site-header.scrolled {
  background: rgba(250, 250, 248, 0.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 12px rgba(10, 25, 18, 0.06);
}

.header-inner {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo-text {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: #0B1210;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  position: relative;
  padding: 8px 14px;
  font-size: 0.9rem;
  color: var(--text-tertiary);
  font-weight: 500;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}

.nav-link:hover {
  color: var(--text-primary);
  background: rgba(0, 196, 125, 0.06);
}

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

.nav-link.active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: -2px;
  height: 3px;
  background: var(--primary);
  border-radius: 3px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-search {
  position: relative;
  display: flex;
  align-items: center;
}

.header-search input {
  width: 180px;
  height: 40px;
  padding: 0 36px 0 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-card);
  font-size: 0.875rem;
  color: var(--text-primary);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.header-search input::placeholder {
  color: var(--text-tertiary);
}

.header-search input:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-color: var(--primary);
}

.header-search .search-icon {
  position: absolute;
  right: 12px;
  width: 16px;
  height: 16px;
  color: var(--text-tertiary);
  pointer-events: none;
}

.header-login {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
  padding: 8px 10px;
  transition: color 0.2s;
}

.header-login:hover {
  color: var(--primary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  padding: 12px 24px;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  min-height: 44px;
  text-align: center;
  line-height: 1.2;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateX(2px);
}

.btn-outline {
  border: 1px solid var(--primary);
  color: var(--primary);
  background: transparent;
}

.btn-outline:hover {
  background: rgba(0, 196, 125, 0.08);
  color: var(--primary-dark);
  border-color: var(--primary-dark);
}

.btn-lg {
  padding: 14px 32px;
  font-size: 1rem;
}

.btn-sm {
  padding: 10px 20px;
  font-size: 0.875rem;
  min-height: 40px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s;
}

.nav-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-actions {
  display: none;
}

/* ===== Page Banner ===== */
.page-banner {
  position: relative;
  padding: 140px 0 72px;
  background: var(--bg-dark);
  color: #fff;
  overflow: hidden;
}

.banner-bg {
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
  opacity: 0.45;
  transform: scale(1.05);
  animation: bannerZoom 20s ease-in-out infinite alternate;
}

@keyframes bannerZoom {
  from { transform: scale(1.05); }
  to { transform: scale(1.12); }
}

.page-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(11, 18, 16, 0.88) 20%, rgba(11, 18, 16, 0.45) 60%, rgba(11, 18, 16, 0.25));
}

.banner-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 24px;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.2s;
}

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

.breadcrumb-sep {
  color: rgba(255, 255, 255, 0.4);
}

.banner-content h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.banner-desc {
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 640px;
  line-height: 1.7;
  margin-bottom: 32px;
}

.banner-stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat-num {
  font-size: 1.875rem;
  font-weight: 800;
  color: #fff;
  font-family: "Oswald", "Barlow Condensed", -apple-system, sans-serif;
  letter-spacing: 0.02em;
}

.stat-label {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.05em;
}

/* ===== Section Head ===== */
.section-head {
  margin-bottom: 40px;
  max-width: 680px;
}

.section-overline {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--primary);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-head h2 {
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-head p {
  color: var(--text-tertiary);
  font-size: 1rem;
  line-height: 1.7;
}

/* ===== Features ===== */
.feature-section {
  padding: 96px 0;
}

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

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all var(--transition);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: transparent;
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(0, 196, 125, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ===== Event Grid ===== */
.event-section {
  padding: 96px 0;
  background: var(--bg-card);
  border-top: 1px solid var(--line-light);
  border-bottom: 1px solid var(--line-light);
}

.event-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.event-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition);
}

.event-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: transparent;
}

.event-card-link {
  display: block;
  height: 100%;
}

.event-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.event-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition);
}

.event-card:hover .event-cover img {
  transform: scale(1.03);
}

.event-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(11, 18, 16, 0.35));
}

.card-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  background: var(--accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.04em;
}

.event-body {
  padding: 20px;
}

.event-body h3 {
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.event-body p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.event-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.tag {
  display: inline-block;
  padding: 3px 10px;
  background: var(--bg-sunken);
  border-radius: var(--radius-pill);
  font-weight: 500;
  color: var(--text-secondary);
  font-size: 0.75rem;
}

.event-card.hidden-card {
  display: none;
}

.event-grid.loaded-all .hidden-card {
  display: block;
}

.load-more-wrap {
  display: flex;
  justify-content: center;
  margin-top: 48px;
}

/* ===== Scenario ===== */
.scenario-section {
  padding: 96px 0;
  background: var(--bg-sunken);
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.scenario-item {
  position: relative;
  padding: 32px 24px;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-light);
  transition: all var(--transition);
}

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

.scenario-num {
  font-size: 2.5rem;
  font-weight: 800;
  color: rgba(0, 196, 125, 0.3);
  line-height: 1;
  font-family: "Oswald", "Barlow Condensed", sans-serif;
  margin-bottom: 16px;
}

.scenario-item h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.scenario-item p {
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* ===== FAQ ===== */
.faq-section {
  padding: 96px 0;
}

.faq-list {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-sunken);
  border-radius: var(--radius-lg);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all var(--transition);
  border: 1px solid transparent;
}

.faq-item.open {
  background: var(--bg-card);
  box-shadow: var(--shadow-hover);
  border-color: var(--line-light);
}

.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 20px 24px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
}

.faq-index {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.1em;
  margin-right: 8px;
  font-family: "Oswald", sans-serif;
}

.faq-text {
  flex: 1;
}

.faq-icon {
  width: 20px;
  height: 20px;
  position: relative;
  flex-shrink: 0;
}

.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  background: var(--text-tertiary);
  border-radius: 2px;
  transition: all 0.3s;
}

.faq-icon::before {
  width: 12px;
  height: 2px;
  top: 9px;
  left: 4px;
}

.faq-icon::after {
  width: 2px;
  height: 12px;
  top: 4px;
  left: 9px;
}

.faq-item.open .faq-icon::after {
  transform: scaleY(0);
}

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-a-inner {
  padding: 0 24px 20px;
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.faq-item.open .faq-a {
  max-height: 320px;
}

.faq-footer {
  text-align: center;
  margin-top: 24px;
}

.faq-footer a {
  font-size: 0.875rem;
  color: var(--primary);
  font-weight: 500;
  transition: color 0.2s;
}

.faq-footer a:hover {
  color: var(--primary-dark);
}

.faq-footer a .arrow {
  transition: transform 0.2s;
  display: inline-block;
}

.faq-footer a:hover .arrow {
  transform: translateX(4px);
}

/* ===== CTA ===== */
.cta-section {
  position: relative;
  padding: 80px 0;
  background: var(--bg-dark);
  color: #fff;
  overflow: hidden;
}

.cta-bg {
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
  opacity: 0.25;
}

.cta-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.cta-text h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.cta-text p {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.7);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 80px 0 32px;
}

.footer-inner {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo-text {
  color: #fff;
  font-size: 1.25rem;
  margin-bottom: 16px;
}

.footer-brand .logo-icon {
  background: var(--primary);
}

.footer-brand p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.7;
  max-width: 320px;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 10px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  transition: all var(--transition);
}

.footer-social a:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.footer-col h4 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #fff;
  margin-bottom: 16px;
  font-weight: 600;
}

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

.footer-col ul a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  transition: color 0.2s;
}

.footer-col ul a:hover {
  color: var(--primary);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding-top: 24px;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.4);
  flex-wrap: wrap;
}

/* ===== Reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===== Responsive ===== */
@media (max-width: 1199px) {
  .feature-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 991px) {
  .nav-toggle {
    display: flex;
  }

  .header-search,
  .header-login,
  .header-actions > .btn {
    display: none;
  }

  .header-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--bg-base);
    flex-direction: column;
    align-items: stretch;
    padding: 20px var(--gutter);
    border-bottom: 1px solid var(--line);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s;
    box-shadow: 0 12px 30px rgba(10, 25, 18, 0.08);
  }

  .header-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .header-nav .nav-link {
    padding: 14px 16px;
    font-size: 1rem;
    border-radius: 8px;
  }

  .header-nav .nav-link.active {
    background: rgba(0, 196, 125, 0.08);
  }

  .header-nav .nav-link.active::after {
    display: none;
  }

  .mobile-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--line);
  }

  .mobile-actions .header-search {
    display: block;
    width: 100%;
  }

  .mobile-actions .header-search input {
    width: 100%;
  }

  .mobile-actions .header-login {
    display: block;
    text-align: center;
    padding: 12px;
    background: var(--bg-sunken);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-secondary);
  }

  .mobile-actions .btn {
    display: flex;
    width: 100%;
  }

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

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

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 767px) {
  .page-banner {
    padding: 120px 0 56px;
  }

  .banner-stats {
    gap: 24px;
  }

  .stat-num {
    font-size: 1.5rem;
  }

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

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

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

  .cta-inner {
    flex-direction: column;
    align-items: stretch;
    text-align: left;
  }

  .cta-inner .btn {
    width: 100%;
  }

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

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }

  .footer-brand p {
    max-width: 100%;
  }
}

/* roulang page: article */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    --bg-base: #FAFAF8;
    --bg-card: #FFFFFF;
    --bg-sunken: #F0F0EA;
    --bg-dark: #0B1210;
    --text-primary: #111C17;
    --text-secondary: #3E4F48;
    --text-tertiary: #7C8F87;
    --text-invert: #FFFFFF;
    --primary: #00C47D;
    --primary-dark: #00A96A;
    --accent: #FF6A00;
    --line: #E5E6E0;
    --line-light: #EFF0EB;
    --radius-lg: 12px;
    --radius-md: 8px;
    --radius-pill: 999px;
    --shadow-rest: 0 1px 2px rgba(10, 25, 18, 0.04);
    --shadow-hover: 0 8px 30px rgba(10, 25, 18, 0.10);
    --font-family: -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    background: var(--bg-base);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

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

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

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

ul,
ol {
    list-style: none;
}

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

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

/* ===== Header / Nav ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-base);
    border-bottom: 1px solid var(--line);
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
    background: rgba(250, 250, 248, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 8px rgba(10, 25, 18, 0.04);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    height: 72px;
}

.logo-text {
    display: inline-flex;
    align-items: center;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-primary);
    flex-shrink: 0;
    letter-spacing: -0.01em;
}

.logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: var(--bg-dark);
    margin-right: 10px;
    flex-shrink: 0;
}

.header-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
    justify-content: center;
}

.nav-link {
    position: relative;
    padding: 8px 14px;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-tertiary);
    white-space: nowrap;
    transition: color 0.2s ease;
}

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

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

.nav-link.active::after {
    content: "";
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 6px;
    height: 3px;
    border-radius: 3px;
    background: var(--primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.header-search {
    position: relative;
    width: 180px;
}

.header-search input {
    width: 100%;
    height: 36px;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 0 34px 0 12px;
    background: var(--bg-sunken);
    font-size: 0.875rem;
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.header-search input::placeholder {
    color: var(--text-tertiary);
}

.header-search input:focus {
    border-color: var(--primary);
    background: var(--bg-card);
    box-shadow: 0 0 0 3px rgba(0, 196, 125, 0.15);
}

.search-btn {
    position: absolute;
    top: 50%;
    right: 6px;
    transform: translateY(-50%);
    width: 26px;
    height: 26px;
    border: none;
    border-radius: 6px;
    background: transparent;
    color: var(--text-tertiary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: color 0.2s, background 0.2s;
}

.search-btn:hover {
    color: var(--primary);
    background: rgba(0, 196, 125, 0.08);
}

.login-link {
    font-size: 0.875rem;
    color: var(--text-secondary);
    padding: 8px 4px;
    transition: color 0.2s;
}

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

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 44px;
    padding: 0 20px;
    background: var(--primary);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 196, 125, 0.22);
    transition: background 0.25s cubic-bezier(0.2, 0.7, 0.3, 1), transform 0.25s cubic-bezier(0.2, 0.7, 0.3, 1), box-shadow 0.25s cubic-bezier(0.2, 0.7, 0.3, 1);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateX(2px);
    box-shadow: 0 4px 14px rgba(0, 196, 125, 0.32);
}

.btn-primary:active {
    transform: translateX(2px) scale(0.97);
}

.btn-sm {
    height: 40px;
    padding: 0 16px;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px;
    background: transparent;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s;
}

.menu-toggle:hover {
    background: var(--bg-sunken);
}

.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    border-radius: 2px;
    background: var(--text-primary);
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.menu-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle.open span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.mobile-actions {
    display: none;
}

/* ===== Article Main ===== */
.article-main {
    padding-top: 48px;
    min-height: 60vh;
}

.article-container {
    max-width: 760px;
    margin: 0 auto;
    padding: 0 24px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin-bottom: 32px;
}

.breadcrumb a {
    color: var(--text-tertiary);
    transition: color 0.2s;
}

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

.breadcrumb .sep {
    opacity: 0.5;
}

.breadcrumb .current {
    max-width: 280px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.article-header {
    margin-bottom: 40px;
}

.article-title {
    font-size: clamp(1.75rem, 3vw, 2rem);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.01em;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 16px;
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin-bottom: 24px;
}

.meta-item {
    display: inline-flex;
    align-items: center;
}

.meta-sep {
    color: var(--line);
}

.cat-pill {
    display: inline-flex;
    align-items: center;
    padding: 3px 12px;
    border-radius: 999px;
    background: var(--bg-sunken);
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.article-excerpt {
    border-left: 4px solid var(--primary);
    padding: 4px 0 4px 16px;
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

.article-body {
    font-size: 1rem;
    line-height: 1.75;
    color: var(--text-primary);
}

.article-body p {
    margin-bottom: 1.5em;
}

.article-body h2 {
    font-size: 1.375rem;
    font-weight: 700;
    line-height: 1.4;
    margin-top: 2em;
    margin-bottom: 0.75em;
    padding-bottom: 0.5em;
    border-bottom: 1px solid var(--line-light);
}

.article-body h3 {
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.4;
    margin-top: 1.5em;
    margin-bottom: 0.5em;
}

.article-body a {
    color: var(--primary-dark);
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.2s;
}

.article-body a:hover {
    color: var(--primary);
}

.article-body blockquote {
    margin: 1.5em 0;
    padding: 16px 20px;
    background: var(--bg-sunken);
    border-left: 4px solid var(--primary);
    border-radius: 0 8px 8px 0;
    color: var(--text-secondary);
}

.article-body blockquote p {
    margin-bottom: 0;
}

.article-body img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    margin: 1.5em 0;
}

.article-body ul,
.article-body ol {
    margin: 1.5em 0;
    padding-left: 1.5em;
}

.article-body ul {
    list-style: disc;
}

.article-body ol {
    list-style: decimal;
}

.article-body li {
    margin-bottom: 0.5em;
}

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

.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5em 0;
    font-size: 0.9375rem;
}

.article-body th,
.article-body td {
    border: 1px solid var(--line);
    padding: 10px 14px;
    text-align: left;
}

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

.article-body code {
    background: var(--bg-sunken);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.875em;
}

.article-body pre {
    background: var(--bg-dark);
    color: rgba(255, 255, 255, 0.9);
    padding: 16px 20px;
    border-radius: 12px;
    overflow-x: auto;
    margin: 1.5em 0;
}

.article-body pre code {
    background: transparent;
    padding: 0;
    color: inherit;
    font-size: 0.875rem;
}

/* ===== Tags ===== */
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--line);
}

.article-tags .tag {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    border: 1px solid var(--line);
    border-radius: 999px;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    color: var(--text-secondary);
    background: var(--bg-card);
    transition: border-color 0.2s, color 0.2s;
}

.article-tags .tag:hover {
    border-color: var(--primary);
    color: var(--primary-dark);
}

/* ===== Empty ===== */
.article-empty {
    min-height: 420px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px 24px;
}

.empty-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: var(--bg-sunken);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: var(--text-tertiary);
}

.empty-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.article-empty p {
    color: var(--text-tertiary);
    margin-bottom: 24px;
}

/* ===== Article CTA ===== */
.article-cta {
    background: var(--bg-dark);
    margin-top: 72px;
    padding: 48px 0;
    position: relative;
    overflow: hidden;
}

.article-cta::before {
    content: "";
    position: absolute;
    inset: 0;
    background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    opacity: 0.12;
    pointer-events: none;
}

.cta-inner {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 24px;
}

.article-cta h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 8px;
    line-height: 1.3;
}

.article-cta p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

/* ===== Related ===== */
.related-section {
    margin-top: 72px;
    padding: 64px 0;
    background: var(--bg-sunken);
}

.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 32px;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1.3;
    position: relative;
    padding-left: 14px;
}

.section-title::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 22px;
    border-radius: 4px;
    background: var(--primary);
}

.section-link {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    transition: color 0.2s;
}

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

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.article-card {
    display: block;
    background: var(--bg-card);
    border: 1px solid var(--line-light);
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.25s cubic-bezier(0.2, 0.7, 0.3, 1), box-shadow 0.25s cubic-bezier(0.2, 0.7, 0.3, 1);
}

.article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(10, 25, 18, 0.10);
}

.article-card:active {
    transform: translateY(-2px) scale(0.99);
}

.card-cover {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--bg-sunken);
}

.card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.25s cubic-bezier(0.2, 0.7, 0.3, 1);
}

.article-card:hover .card-cover img {
    transform: scale(1.03);
}

.card-cover .cat-pill {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 2;
    background: rgba(11, 18, 16, 0.75);
    color: #ffffff;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.card-content {
    padding: 20px;
}

.card-content h3 {
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--text-primary);
    margin-bottom: 8px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.2s;
}

.article-card:hover .card-content h3 {
    color: var(--primary-dark);
}

.card-content p {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    padding-top: 12px;
    border-top: 1px solid var(--line-light);
}

.views {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* ===== Back ===== */
.article-back {
    text-align: center;
    padding: 40px 24px 80px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.875rem;
    color: var(--text-tertiary);
    transition: color 0.2s, gap 0.2s;
}

.back-link:hover {
    color: var(--primary);
    gap: 10px;
}

/* ===== Footer ===== */
.site-footer {
    background: var(--bg-dark);
    color: rgba(255, 255, 255, 0.6);
    padding-top: 64px;
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .logo-text {
    display: inline-flex;
    align-items: center;
    font-size: 1.25rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.site-footer .logo-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: #ffffff;
    margin-right: 10px;
    flex-shrink: 0;
}

.footer-brand p {
    font-size: 0.875rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.5);
    max-width: 360px;
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.6);
    transition: border-color 0.2s, color 0.2s, transform 0.2s;
}

.footer-social a:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.footer-col h4 {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 20px;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-col a {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.45);
    transition: color 0.2s;
}

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

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0 32px;
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.35);
}

/* ===== Responsive ===== */
@media (max-width: 1199px) {
    .header-search {
        width: 150px;
    }
}

@media (max-width: 991px) {
    .menu-toggle {
        display: flex;
    }

    .header-actions .header-search,
    .header-actions .login-link,
    .header-actions .btn-primary {
        display: none;
    }

    .header-nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        z-index: 99;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 20px 24px 24px;
        background: var(--bg-base);
        border-bottom: 1px solid var(--line);
        box-shadow: 0 12px 32px rgba(10, 25, 18, 0.08);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-8px);
        transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease;
    }

    .header-nav.open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .header-nav .nav-link {
        padding: 12px 4px;
        font-size: 1rem;
        border-bottom: 1px solid var(--line-light);
    }

    .header-nav .nav-link.active::after {
        left: 4px;
        right: auto;
        bottom: 10px;
        width: 24px;
        height: 3px;
    }

    .mobile-actions {
        display: flex;
        flex-direction: column;
        gap: 12px;
        margin-top: 20px;
        padding-top: 20px;
        border-top: 1px solid var(--line);
    }

    .mobile-actions .header-search {
        display: block;
        width: 100%;
    }

    .mobile-actions .login-link {
        display: block;
        text-align: center;
        padding: 10px;
    }

    .mobile-actions .btn-primary {
        display: inline-flex;
        width: 100%;
    }

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

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

@media (max-width: 767px) {
    .article-main {
        padding-top: 32px;
    }

    .article-container {
        padding: 0 20px;
    }

    .article-title {
        font-size: clamp(1.4rem, 5vw, 1.75rem);
    }

    .article-header {
        margin-bottom: 32px;
    }

    .article-excerpt {
        font-size: 1rem;
    }

    .article-cta {
        margin-top: 48px;
        padding: 40px 0;
    }

    .cta-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .related-section {
        margin-top: 48px;
        padding: 48px 0;
    }

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

    .section-head {
        margin-bottom: 24px;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
        padding: 20px 0 28px;
    }

    .article-back {
        padding: 32px 20px 56px;
    }

    .card-content {
        padding: 16px;
    }
}

/* roulang page: category2 */
:root {
      --accent: #00C47D;
      --accent-dark: #00A96A;
      --accent-orange: #FF6A00;
      --bg-base: #FAFAF8;
      --bg-card: #FFFFFF;
      --bg-sunken: #F0F0EA;
      --bg-dark: #0B1210;
      --text-primary: #111C17;
      --text-secondary: #3E4F48;
      --text-tertiary: #7C8F87;
      --text-invert: #FFFFFF;
      --line: #E5E6E0;
      --line-light: #EFF0EB;
      --radius-lg: 12px;
      --radius-md: 8px;
      --radius-pill: 999px;
      --shadow-hover: 0 8px 30px rgba(10, 25, 18, 0.10);
      --shadow-rest: 0 1px 2px rgba(10, 25, 18, 0.04);
      --header-h: 72px;
      --container-w: 1200px;
      --section-gap: 96px;
      --font-sans: -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
      --font-num: "Barlow Condensed", "Oswald", -apple-system, "PingFang SC", sans-serif;
    }
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
    body {
      font-family: var(--font-sans);
      background: var(--bg-base);
      color: var(--text-primary);
      line-height: 1.7;
      font-size: 1rem;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }
    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }
    ul, ol { list-style: none; }
    button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; background: none; border: none; outline: none; }
    input:focus-visible, button:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
    .container { max-width: var(--container-w); margin: 0 auto; padding-left: 24px; padding-right: 24px; }
    @media (max-width: 767px) { .container { padding-left: 16px; padding-right: 16px; } }

    /* ---------- Headers ---------- */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      height: var(--header-h);
      background: var(--bg-base);
      border-bottom: 1px solid var(--line);
      transition: background 0.3s ease, box-shadow 0.3s ease;
    }
    .site-header.scrolled {
      background: rgba(250, 250, 248, 0.92);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      box-shadow: 0 1px 12px rgba(10, 25, 18, 0.05);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 100%;
      gap: 24px;
    }
    .logo-text {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 1.25rem;
      font-weight: 800;
      letter-spacing: -0.01em;
      white-space: nowrap;
      color: var(--text-primary);
    }
    .logo-icon {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 40px;
      height: 40px;
      background: #0B1210;
      border-radius: 10px;
      flex-shrink: 0;
    }
    .header-nav {
      display: flex;
      align-items: center;
      gap: 28px;
    }
    .nav-link {
      font-size: 0.9375rem;
      font-weight: 500;
      color: var(--text-tertiary);
      padding: 6px 2px;
      position: relative;
      transition: color 0.2s ease;
    }
    .nav-link:hover { color: var(--text-primary); }
    .nav-link.active { color: var(--text-primary); font-weight: 600; }
    .nav-link.active::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: -2px;
      width: 100%;
      height: 3px;
      background: var(--accent);
      border-radius: 2px 2px 0 0;
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 16px;
      flex-shrink: 0;
    }
    .header-search {
      display: flex;
      align-items: center;
      background: var(--bg-sunken);
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      height: 40px;
      padding: 0 4px 0 14px;
      transition: border-color 0.2s ease;
    }
    .header-search:focus-within { border-color: var(--accent); }
    .header-search input {
      width: 150px;
      background: transparent;
      border: none;
      font-size: 0.875rem;
      color: var(--text-primary);
    }
    .header-search input::placeholder { color: var(--text-tertiary); }
    .header-search button {
      width: 32px;
      height: 32px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--text-secondary);
      cursor: pointer;
      border-radius: 6px;
      transition: background 0.2s ease;
    }
    .header-search button:hover { background: var(--bg-base); color: var(--accent); }
    .header-login {
      font-size: 0.875rem;
      color: var(--text-secondary);
      transition: color 0.2s ease;
    }
    .header-login:hover { color: var(--accent); }
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: var(--accent);
      color: #fff;
      font-size: 0.875rem;
      font-weight: 600;
      border-radius: var(--radius-md);
      padding: 0 20px;
      height: 40px;
      border: none;
      cursor: pointer;
      transition: background 0.25s cubic-bezier(.2,.7,.3,1), transform 0.25s cubic-bezier(.2,.7,.3,1);
      box-shadow: var(--shadow-rest);
    }
    .btn-primary:hover {
      background: var(--accent-dark);
      transform: translateX(2px);
    }
    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: transparent;
      color: var(--text-primary);
      border: 1.5px solid var(--line);
      font-size: 0.875rem;
      font-weight: 600;
      border-radius: var(--radius-md);
      padding: 0 20px;
      height: 40px;
      cursor: pointer;
      transition: border-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
    }
    .btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
    .nav-toggle {
      display: none;
      flex-direction: column;
      justify-content: center;
      gap: 5px;
      width: 40px;
      height: 40px;
      cursor: pointer;
      padding: 8px;
      border-radius: var(--radius-md);
    }
    .nav-toggle span {
      display: block;
      height: 2px;
      background: var(--text-primary);
      border-radius: 2px;
      transition: transform 0.3s ease, opacity 0.3s ease;
    }
    .nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
    .nav-toggle.open span:nth-child(2) { opacity: 0; }
    .nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

    /* ---------- Page Banner ---------- */
    .page-banner {
      background: linear-gradient(135deg, #f0f0ea 0%, #fafaf8 60%);
      border-bottom: 1px solid var(--line);
      padding: 56px 0 48px;
      position: relative;
      overflow: hidden;
    }
    .page-banner::before {
      content: '';
      position: absolute;
      right: -80px;
      top: -80px;
      width: 320px;
      height: 320px;
      background: url(/assets/images/backpic/back-2.png) no-repeat center / cover;
      opacity: 0.15;
      border-radius: 50%;
      pointer-events: none;
    }
    .breadcrumb {
      font-size: 0.875rem;
      color: var(--text-tertiary);
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 20px;
    }
    .breadcrumb a { transition: color 0.2s ease; }
    .breadcrumb a:hover { color: var(--accent); }
    .breadcrumb .sep { color: var(--line); }
    .breadcrumb .current { color: var(--text-secondary); }
    .page-banner h1 {
      font-size: 2rem;
      font-weight: 700;
      letter-spacing: -0.02em;
      line-height: 1.2;
      color: var(--text-primary);
      margin-bottom: 12px;
    }
    .page-banner .banner-desc {
      font-size: 1.0625rem;
      color: var(--text-tertiary);
      max-width: 560px;
      line-height: 1.6;
    }
    .banner-stats {
      display: flex;
      gap: 40px;
      margin-top: 32px;
      flex-wrap: wrap;
    }
    .banner-stat .stat-num {
      font-family: var(--font-num);
      font-size: 2.25rem;
      font-weight: 700;
      color: var(--accent);
      line-height: 1.1;
    }
    .banner-stat .stat-label {
      font-size: 0.75rem;
      letter-spacing: 0.05em;
      color: var(--text-tertiary);
      text-transform: uppercase;
      margin-top: 4px;
    }

    /* ---------- Section Common ---------- */
    .section { padding: var(--section-gap) 0; }
    .section-sm { padding: 56px 0; }
    .section-header {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 20px;
      margin-bottom: 40px;
      flex-wrap: wrap;
    }
    .section-title {
      font-size: clamp(1.75rem, 3vw, 2.5rem);
      font-weight: 700;
      letter-spacing: -0.02em;
      color: var(--text-primary);
      line-height: 1.2;
    }
    .section-title .accent-text { color: var(--accent); }
    .section-subtitle {
      font-size: 0.9375rem;
      color: var(--text-tertiary);
      max-width: 420px;
      line-height: 1.6;
    }

    /* ---------- Feature Points ---------- */
    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .feature-card {
      background: var(--bg-card);
      border: 1px solid var(--line-light);
      border-radius: var(--radius-lg);
      padding: 32px 28px;
      transition: box-shadow 0.25s ease, transform 0.25s ease;
    }
    .feature-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); }
    .feature-icon {
      width: 52px;
      height: 52px;
      border-radius: 12px;
      background: rgba(0, 196, 125, 0.10);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 20px;
      color: var(--accent);
    }
    .feature-card h3 { font-size: 1.125rem; font-weight: 600; margin-bottom: 8px; }
    .feature-card p { font-size: 0.9375rem; color: var(--text-secondary); line-height: 1.65; }

    /* ---------- Card Grid ---------- */
    .match-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .match-card {
      background: var(--bg-card);
      border: 1px solid var(--line-light);
      border-radius: var(--radius-lg);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      transition: box-shadow 0.25s cubic-bezier(.2,.7,.3,1), transform 0.25s cubic-bezier(.2,.7,.3,1);
    }
    .match-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-4px);
    }
    .match-card .card-media {
      position: relative;
      overflow: hidden;
      aspect-ratio: 16 / 9;
      background: var(--bg-sunken);
    }
    .match-card .card-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.35s cubic-bezier(.2,.7,.3,1);
    }
    .match-card:hover .card-media img { transform: scale(1.03); }
    .card-badge {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(11, 18, 16, 0.75);
      backdrop-filter: blur(6px);
      -webkit-backdrop-filter: blur(6px);
      color: #fff;
      font-size: 0.75rem;
      padding: 4px 12px;
      border-radius: var(--radius-pill);
      letter-spacing: 0.02em;
    }
    .card-live {
      position: absolute;
      top: 12px;
      right: 12px;
      background: var(--accent);
      color: #fff;
      font-size: 0.6875rem;
      font-weight: 600;
      padding: 3px 10px;
      border-radius: var(--radius-pill);
      display: flex;
      align-items: center;
      gap: 4px;
    }
    .card-live::before {
      content: '';
      width: 6px;
      height: 6px;
      background: #fff;
      border-radius: 50%;
      animation: pulse 1.2s infinite ease-in-out;
    }
    @keyframes pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.5; transform: scale(0.8); }
    }
    .card-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }
    .card-body .card-title { font-size: 1.125rem; font-weight: 600; line-height: 1.4; margin-bottom: 8px; transition: color 0.2s ease; color: var(--text-primary); }
    .match-card:hover .card-title { color: var(--accent); }
    .card-body .card-desc {
      font-size: 0.875rem;
      color: var(--text-secondary);
      line-height: 1.6;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      margin-bottom: 16px;
      flex: 1;
    }
    .card-meta {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid var(--line-light);
      padding-top: 14px;
      font-size: 0.75rem;
      color: var(--text-tertiary);
    }
    .card-meta .meta-tag {
      display: inline-flex;
      align-items: center;
      background: var(--bg-sunken);
      color: var(--text-secondary);
      padding: 2px 10px;
      border-radius: var(--radius-pill);
      font-size: 0.6875rem;
      font-weight: 500;
    }
    .card-meta .meta-info { display: flex; align-items: center; gap: 12px; }
    .card-meta .meta-heat {
      display: flex;
      align-items: center;
      gap: 4px;
    }

    /* ---------- Data Stats Section ---------- */
    .stats-section {
      background: var(--bg-dark);
      padding: 80px 0;
      position: relative;
      overflow: hidden;
      color: #fff;
    }
    .stats-section::before {
      content: '';
      position: absolute;
      left: 0;
      top: 0;
      right: 0;
      bottom: 0;
      background: url(/assets/images/backpic/back-3.webp) no-repeat center / cover;
      opacity: 0.08;
      pointer-events: none;
    }
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 32px;
      position: relative;
      z-index: 1;
    }
    .stat-item {
      text-align: center;
      padding: 20px 12px;
      border-right: 1px solid rgba(255,255,255,0.08);
    }
    .stat-item:last-child { border-right: none; }
    .stat-item .num {
      font-family: var(--font-num);
      font-size: clamp(2rem, 4vw, 3rem);
      font-weight: 700;
      color: var(--accent);
      line-height: 1.1;
    }
    .stat-item .label { font-size: 0.8125rem; color: rgba(255,255,255,0.6); margin-top: 8px; letter-spacing: 0.02em; }
    .stats-title {
      font-size: clamp(1.5rem, 2.5vw, 2rem);
      font-weight: 700;
      margin-bottom: 48px;
      text-align: center;
      position: relative;
      z-index: 1;
    }
    .stats-title span { color: var(--accent); }

    /* ---------- FAQ ---------- */
    .faq-section { background: var(--bg-sunken); }
    .faq-container { max-width: 820px; margin: 0 auto; }
    .faq-item {
      background: var(--bg-card);
      border-radius: var(--radius-lg);
      border: 1px solid transparent;
      margin-bottom: 12px;
      overflow: hidden;
      transition: border-color 0.25s ease, box-shadow 0.25s ease;
    }
    .faq-item.active { border-color: var(--accent); box-shadow: var(--shadow-rest); }
    .faq-question {
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 20px 24px;
      cursor: pointer;
      font-weight: 600;
      font-size: 1rem;
      color: var(--text-primary);
      user-select: none;
      transition: color 0.2s ease;
    }
    .faq-question:hover { color: var(--accent); }
    .faq-num {
      font-family: var(--font-num);
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--accent);
      width: 24px;
      flex-shrink: 0;
    }
    .faq-icon {
      margin-left: auto;
      width: 20px;
      height: 20px;
      position: relative;
      flex-shrink: 0;
      transition: transform 0.3s ease;
    }
    .faq-icon::before, .faq-icon::after {
      content: '';
      position: absolute;
      background: var(--text-tertiary);
      border-radius: 2px;
      transition: background 0.2s ease;
    }
    .faq-icon::before { width: 14px; height: 2px; top: 9px; left: 3px; }
    .faq-icon::after { width: 2px; height: 14px; top: 3px; left: 9px; }
    .faq-item.active .faq-icon { transform: rotate(45deg); }
    .faq-item.active .faq-icon::before { background: var(--accent); }
    .faq-item.active .faq-icon::after { background: var(--accent); }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s ease, padding 0.35s ease;
      padding: 0 24px;
      color: var(--text-secondary);
      font-size: 0.9375rem;
      line-height: 1.7;
    }
    .faq-item.active .faq-answer { max-height: 300px; padding-bottom: 20px; }
    .faq-extra {
      text-align: right;
      margin-top: 16px;
    }
    .faq-extra a {
      font-size: 0.875rem;
      color: var(--text-secondary);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: color 0.2s ease;
    }
    .faq-extra a:hover { color: var(--accent); }
    .faq-extra a svg { transition: transform 0.25s ease; }
    .faq-extra a:hover svg { transform: translateX(4px); }

    /* ---------- CTA ---------- */
    .cta-section {
      padding: 0;
      position: relative;
    }
    .cta-box {
      background: var(--bg-dark);
      border-radius: 20px;
      padding: 56px 48px;
      position: relative;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 40px;
      flex-wrap: wrap;
      margin-bottom: 96px;
      box-shadow: 0 20px 60px rgba(10, 25, 18, 0.15);
    }
    .cta-box::before {
      content: '';
      position: absolute;
      right: 0;
      top: 0;
      bottom: 0;
      width: 50%;
      background: url(/assets/images/backpic/back-1.webp) no-repeat center / cover;
      opacity: 0.15;
      pointer-events: none;
    }
    .cta-content { position: relative; z-index: 1; }
    .cta-content h2 {
      font-size: clamp(1.5rem, 2.5vw, 2rem);
      color: #fff;
      font-weight: 700;
      margin-bottom: 8px;
      line-height: 1.3;
    }
    .cta-content p { color: rgba(255,255,255,0.7); font-size: 0.9375rem; }
    .cta-box .btn-primary { height: 48px; padding: 0 28px; font-size: 0.9375rem; position: relative; z-index: 1; }

    /* ---------- Footer ---------- */
    .site-footer {
      background: var(--bg-dark);
      color: rgba(255,255,255,0.7);
      padding: 64px 0 24px;
    }
    .footer-inner { max-width: var(--container-w); margin: 0 auto; padding-left: 24px; padding-right: 24px; }
    .footer-top {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 48px;
      padding-bottom: 48px;
      border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .footer-brand .logo-text { color: #fff; margin-bottom: 16px; }
    .footer-brand .logo-text .logo-icon { background: var(--accent); }
    .footer-brand p { font-size: 0.875rem; line-height: 1.7; color: rgba(255,255,255,0.55); max-width: 320px; margin-bottom: 20px; }
    .footer-social { display: flex; gap: 10px; }
    .footer-social a {
      width: 34px;
      height: 34px;
      border: 1px solid rgba(255,255,255,0.2);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: rgba(255,255,255,0.65);
      transition: border-color 0.25s ease, color 0.25s ease, background 0.25s ease;
    }
    .footer-social a:hover { border-color: var(--accent); color: var(--accent); }
    .footer-col h4 {
      font-size: 0.75rem;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: rgba(255,255,255,0.4);
      margin-bottom: 16px;
      font-weight: 600;
    }
    .footer-col ul { display: flex; flex-direction: column; gap: 10px; }
    .footer-col a {
      font-size: 0.875rem;
      color: rgba(255,255,255,0.65);
      transition: color 0.2s ease;
    }
    .footer-col a:hover { color: var(--accent); }
    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      padding-top: 20px;
      font-size: 0.75rem;
      color: rgba(255,255,255,0.35);
    }

    /* ---------- Load More Button ---------- */
    .load-more-wrap { text-align: center; margin-top: 40px; }
    .btn-load-more {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: var(--bg-card);
      border: 1.5px solid var(--accent);
      color: var(--accent);
      font-size: 0.875rem;
      font-weight: 600;
      padding: 0 28px;
      height: 44px;
      border-radius: var(--radius-md);
      cursor: pointer;
      transition: background 0.25s ease, color 0.25s ease;
    }
    .btn-load-more:hover { background: rgba(0, 196, 125, 0.08); color: var(--accent-dark); }

    /* ---------- Responsive ---------- */
    @media (max-width: 1199px) and (min-width: 992px) {
      .match-grid { grid-template-columns: repeat(3, 1fr); }
      .feature-grid { grid-template-columns: repeat(3, 1fr); }
      .footer-top { grid-template-columns: 1.5fr 1fr 1fr; }
      .footer-col:nth-child(4) { grid-column: auto; }
      .stats-grid { grid-template-columns: repeat(4, 1fr); }
    }
    @media (max-width: 991px) and (min-width: 768px) {
      .header-nav { display: none; }
      .nav-toggle { display: flex; }
      .header-actions { display: none; }
      .match-grid { grid-template-columns: repeat(2, 1fr); }
      .feature-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-top { grid-template-columns: 1fr 1fr; }
      .stats-grid { grid-template-columns: repeat(2, 1fr); }
      .stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.06); }
      .stat-item:last-child { border-bottom: none; }
      .cta-box { padding: 40px 28px; }
      .section { padding: 64px 0; }
    }
    @media (max-width: 767px) {
      .header-nav { display: none; }
      .nav-toggle { display: flex; }
      .header-actions { display: none; }
      .header-nav.mobile-open {
        display: flex;
        position: fixed;
        top: var(--header-h);
        left: 0;
        right: 0;
        background: var(--bg-base);
        flex-direction: column;
        align-items: flex-start;
        padding: 16px 24px 24px;
        gap: 4px;
        border-bottom: 1px solid var(--line);
        box-shadow: 0 20px 40px rgba(10,25,18,0.08);
      }
      .header-nav.mobile-open .nav-link {
        font-size: 1.125rem;
        padding: 12px 0;
        width: 100%;
        border-bottom: 1px solid var(--line-light);
      }
      .header-nav.mobile-open .nav-link.active::after { display: none; }
      .header-nav.mobile-open .nav-link.active { color: var(--accent); }
      .page-banner { padding: 36px 0 32px; }
      .page-banner h1 { font-size: 1.65rem; }
      .banner-stats { gap: 24px; }
      .section { padding: 48px 0; }
      .section-header { flex-direction: column; align-items: flex-start; gap: 12px; }
      .match-grid { grid-template-columns: 1fr; }
      .feature-grid { grid-template-columns: 1fr; }
      .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
      .stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,0.06); }
      .stat-item:nth-child(3) { border-bottom: none; }
      .stat-item:last-child { border-bottom: none; }
      .cta-box { padding: 36px 24px; gap: 24px; margin-bottom: 48px; border-radius: 16px; flex-direction: column; align-items: flex-start; }
      .cta-box .btn-primary { width: 100%; }
      .footer-top { grid-template-columns: 1fr; gap: 32px; }
      .footer-bottom { flex-direction: column; align-items: flex-start; gap: 6px; }
      .faq-question { padding: 16px 20px; }
      .faq-answer { padding: 0 20px; }
      .faq-item.active .faq-answer { padding-bottom: 20px; }
    }

/* roulang page: category3 */
:root{
  --primary:#00C47D;
  --primary-dark:#00A96A;
  --accent:#FF6A00;
  --bg-base:#FAFAF8;
  --bg-card:#FFFFFF;
  --bg-sunken:#F0F0EA;
  --bg-dark:#0B1210;
  --text-primary:#111C17;
  --text-secondary:#3E4F48;
  --text-tertiary:#7C8F87;
  --text-invert:#FFFFFF;
  --line:#E5E6E0;
  --line-light:#EFF0EB;
  --radius-lg:12px;
  --radius-sm:8px;
  --radius-pill:999px;
  --shadow-hover:0 8px 30px rgba(10,25,18,0.10);
  --shadow-rest:0 1px 2px rgba(10,25,18,0.04);
  --container-w:1200px;
  --header-h:72px;
  --font-sans:-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans CJK SC","Microsoft YaHei",sans-serif;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-sans);
  background:var(--bg-base);
  color:var(--text-primary);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:1rem;}
ul,ol{list-style:none;}
.container{
  max-width:var(--container-w);
  margin:0 auto;
  padding:0 24px;
}
@media(max-width:767px){
  .container{padding:0 16px;}
}

/* 按钮 */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:10px 20px;
  border-radius:var(--radius-sm);
  font-weight:600;
  font-size:0.9375rem;
  line-height:1.2;
  border:1px solid transparent;
  cursor:pointer;
  transition:all .25s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:var(--primary);
  color:var(--text-invert);
}
.btn-primary:hover{
  background:var(--primary-dark);
  transform:translateX(2px);
}
.btn-outline-white{
  background:transparent;
  color:var(--text-invert);
  border-color:rgba(255,255,255,.65);
}
.btn-outline-white:hover{
  background:rgba(255,255,255,.12);
  border-color:#fff;
}
.btn-lg{
  min-height:52px;
  padding:14px 32px;
  font-size:1rem;
}
.btn-login{
  font-size:0.9375rem;
  color:var(--text-secondary);
  padding:8px 12px;
  transition:color .25s var(--ease);
}
.btn-login:hover{color:var(--text-primary);}

/* 标签 */
.pill{
  display:inline-flex;
  align-items:center;
  gap:4px;
  padding:3px 12px;
  border-radius:var(--radius-pill);
  font-size:0.75rem;
  letter-spacing:.05em;
  font-weight:600;
  background:var(--bg-sunken);
  color:var(--text-secondary);
}
.pill-green{
  background:rgba(0,196,125,.12);
  color:#008A58;
}
.pill-dark{
  background:rgba(11,18,16,.72);
  color:#fff;
}
.pill-orange{
  background:var(--accent);
  color:#fff;
}

/* 头部导航 */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:var(--bg-base);
  border-bottom:1px solid var(--line);
  height:var(--header-h);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{
  background:rgba(250,250,248,.92);
  backdrop-filter:blur(12px);
  box-shadow:0 1px 12px rgba(10,25,18,.06);
}
.header-inner{
  height:var(--header-h);
  display:flex;
  align-items:center;
  gap:32px;
}
.logo-text{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:1.25rem;
  font-weight:800;
  color:var(--text-primary);
  white-space:nowrap;
}
.logo-icon{
  width:40px;
  height:40px;
  border-radius:8px;
  background:var(--bg-dark);
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}
.header-nav{
  display:flex;
  align-items:center;
  gap:4px;
  flex:1;
}
.nav-link{
  position:relative;
  padding:8px 16px;
  font-size:0.9375rem;
  font-weight:500;
  color:var(--text-tertiary);
  border-radius:6px;
  transition:color .25s var(--ease),background .25s var(--ease);
}
.nav-link:hover{
  color:var(--text-primary);
  background:rgba(0,196,125,.06);
}
.nav-link.active{
  color:var(--text-primary);
  font-weight:600;
}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:16px;
  right:16px;
  bottom:2px;
  height:4px;
  border-radius:2px;
  background:var(--primary);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.search-box{
  display:flex;
  align-items:center;
  background:var(--bg-sunken);
  border:1px solid transparent;
  border-radius:var(--radius-pill);
  padding:0 6px 0 16px;
  height:44px;
  width:220px;
  transition:border-color .25s var(--ease),background .25s var(--ease);
}
.search-box:focus-within{
  border-color:var(--primary);
  background:var(--bg-card);
  box-shadow:0 0 0 2px rgba(0,196,125,.2);
}
.search-box input{
  flex:1;
  border:none;
  background:transparent;
  outline:none;
  font-size:0.875rem;
  color:var(--text-primary);
}
.search-box input::placeholder{color:var(--text-tertiary);}
.search-box button{
  width:32px;
  height:32px;
  border:none;
  background:transparent;
  border-radius:var(--radius-pill);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--text-secondary);
  cursor:pointer;
  transition:background .25s var(--ease),color .25s var(--ease);
}
.search-box button:hover{
  background:var(--primary);
  color:#fff;
}
.menu-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:44px;
  height:44px;
  border:none;
  background:transparent;
  cursor:pointer;
  padding:8px;
}
.menu-toggle span{
  height:2px;
  width:22px;
  background:var(--text-primary);
  border-radius:2px;
  transition:transform .3s var(--ease),opacity .3s var(--ease);
}
.menu-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.menu-toggle.active span:nth-child(2){opacity:0;}
.menu-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* 横幅 */
.page-banner{
  position:relative;
  background-size:cover;
  background-position:center;
  background-color:var(--bg-dark);
  padding:72px 0 64px;
  color:var(--text-invert);
  overflow:hidden;
}
.page-banner::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(11,18,16,.88) 0%,rgba(11,18,16,.62) 55%,rgba(11,18,16,.35) 100%);
}
.page-banner .container{position:relative;z-index:1;}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:0.875rem;
  color:rgba(255,255,255,.65);
  margin-bottom:20px;
}
.breadcrumb a{transition:color .25s var(--ease);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{opacity:.5;}
.page-title{
  font-size:clamp(2rem,4vw,3rem);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.02em;
  margin-bottom:12px;
}
.page-desc{
  font-size:1.0625rem;
  color:rgba(255,255,255,.85);
  max-width:620px;
}

/* 通用区块 */
.section{
  padding:88px 0;
}
@media(max-width:767px){
  .section{padding:56px 0;}
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.section-title{
  font-size:clamp(1.5rem,2.5vw,2rem);
  font-weight:700;
  letter-spacing:-.02em;
  line-height:1.2;
}
.section-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:0.875rem;
  font-weight:600;
  color:var(--text-secondary);
  transition:color .25s var(--ease),gap .25s var(--ease);
}
.section-link:hover{
  color:var(--primary);
  gap:10px;
}
.section-link svg{flex-shrink:0;}

/* 卡片网格 */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
@media(max-width:991px){
  .card-grid{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:767px){
  .card-grid{grid-template-columns:1fr;}
}

/* 内容卡片（热播推荐同款） */
.content-card{
  background:var(--bg-card);
  border:1px solid var(--line-light);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.content-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(0,196,125,.25);
}
.content-card .card-link{display:block;height:100%;}
.card-cover{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--bg-sunken);
}
.card-cover img{
  width:100%;
  height:100%;
  transition:transform .5s var(--ease);
}
.content-card:hover .card-cover img{transform:scale(1.03);}
.card-cover .pill{
  position:absolute;
  top:12px;
  left:12px;
  z-index:2;
}
.card-body{
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.card-title{
  font-size:1.125rem;
  font-weight:600;
  line-height:1.45;
  color:var(--text-primary);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .25s var(--ease);
}
.content-card:hover .card-title{color:#008A58;}
.card-summary{
  font-size:0.9375rem;
  color:var(--text-secondary);
  line-height:1.6;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-meta{
  display:flex;
  align-items:center;
  gap:12px;
  margin-top:6px;
  padding-top:14px;
  border-top:1px solid var(--line-light);
  font-size:0.8125rem;
  color:var(--text-tertiary);
}
.card-meta .time{margin-right:auto;}
.heat{
  display:inline-flex;
  align-items:center;
  gap:4px;
  font-weight:500;
}
.heat svg{opacity:.7;}

/* 加载更多 */
.load-more-wrap{
  display:flex;
  justify-content:center;
  margin-top:48px;
}
.btn-load-more{
  min-width:200px;
  min-height:48px;
  padding:12px 28px;
  background:var(--bg-card);
  border:1px solid var(--primary);
  border-radius:var(--radius-sm);
  color:#008A58;
  font-weight:600;
  font-size:0.9375rem;
  cursor:pointer;
  transition:background .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.btn-load-more:hover{
  background:rgba(0,196,125,.08);
  transform:translateY(-2px);
}
.btn-load-more.disabled{
  cursor:default;
  opacity:.6;
  transform:none;
  background:var(--bg-sunken);
  border-color:var(--line);
  color:var(--text-tertiary);
}

/* 观看攻略/步骤条 */
.steps-band{
  background:var(--bg-sunken);
  padding:72px 0;
}
.steps-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-top:36px;
}
@media(max-width:767px){
  .steps-grid{grid-template-columns:1fr;}
}
.step-card{
  background:var(--bg-card);
  border-radius:var(--radius-lg);
  padding:24px 24px 28px;
  border:1px solid var(--line-light);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.step-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
}
.step-num{
  font-size:2.5rem;
  font-weight:800;
  line-height:1;
  color:rgba(0,196,125,.35);
  margin-bottom:16px;
  letter-spacing:-.02em;
}
.step-card h3{
  font-size:1.125rem;
  font-weight:600;
  margin-bottom:8px;
}
.step-card p{
  font-size:0.9375rem;
  color:var(--text-secondary);
  line-height:1.65;
}

/* CTA 深色条 */
.cta-band{
  position:relative;
  background:var(--bg-dark);
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  padding:64px 0;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background:rgba(11,18,16,.82);
}
.cta-inner{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-title{
  font-size:1.75rem;
  font-weight:700;
  color:var(--text-invert);
  margin-bottom:8px;
  line-height:1.3;
}
.cta-text{
  font-size:0.9375rem;
  color:rgba(255,255,255,.7);
  max-width:520px;
}
@media(max-width:767px){
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-band .btn{width:100%;}
}

/* FAQ */
.faq-section{
  padding:88px 0;
  background:var(--bg-base);
}
@media(max-width:767px){
  .faq-section{padding:56px 0;}
}
.faq-list{
  max-width:880px;
  margin:0 auto;
  border-top:1px solid var(--line);
}
.faq-item{
  border-bottom:1px solid var(--line);
  background:var(--bg-card);
  transition:background .25s var(--ease);
}
.faq-item.active{
  background:var(--bg-sunken);
}
.faq-q{
  display:flex;
  align-items:center;
  gap:20px;
  padding:24px 8px;
  cursor:pointer;
  border:none;
  background:transparent;
  width:100%;
  text-align:left;
  font-size:1rem;
  font-weight:600;
  color:var(--text-primary);
  transition:color .25s var(--ease);
}
.faq-q:hover{color:#008A58;}
.faq-num{
  font-size:0.8125rem;
  font-weight:700;
  color:var(--primary);
  min-width:36px;
  opacity:.7;
}
.faq-arrow{
  margin-left:auto;
  width:20px;
  height:20px;
  flex-shrink:0;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:transform .3s var(--ease);
  color:var(--text-tertiary);
}
.faq-item.active .faq-arrow{transform:rotate(45deg);color:var(--primary);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s var(--ease),padding .3s var(--ease);
}
.faq-item.active .faq-a{
  max-height:400px;
  padding:0 8px 24px 64px;
}
.faq-a p{
  font-size:0.9375rem;
  color:var(--text-secondary);
  line-height:1.75;
}
.faq-foot{
  display:flex;
  justify-content:center;
  margin-top:32px;
}
.faq-foot a{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:0.9375rem;
  font-weight:600;
  color:var(--text-secondary);
  transition:color .25s var(--ease);
}
.faq-foot a:hover{color:var(--primary);}
.faq-foot svg{transition:transform .25s var(--ease);}
.faq-foot a:hover svg{transform:translateX(4px);}

/* 页脚 */
.site-footer{
  background:var(--bg-dark);
  color:rgba(255,255,255,.7);
  padding:64px 0 32px;
  font-size:0.875rem;
}
.footer-inner{max-width:var(--container-w);margin:0 auto;padding:0 24px;}
@media(max-width:767px){
  .footer-inner{padding:0 16px;}
}
.footer-top{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:48px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
@media(max-width:991px){
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
}
@media(max-width:767px){
  .footer-top{grid-template-columns:1fr 1fr;gap:24px;}
}
.footer-brand p{
  font-size:0.875rem;
  line-height:1.7;
  margin:16px 0 20px;
  color:rgba(255,255,255,.6);
  max-width:320px;
}
.footer-brand .logo-text{
  color:var(--text-invert);
}
.footer-social{
  display:flex;
  gap:10px;
}
.footer-social a{
  width:36px;
  height:36px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.2);
  display:flex;
  align-items:center;
  justify-content:center;
  color:rgba(255,255,255,.65);
  transition:border-color .25s var(--ease),color .25s var(--ease),transform .25s var(--ease);
}
.footer-social a:hover{
  border-color:var(--primary);
  color:var(--primary);
  transform:translateY(-2px);
}
.footer-col h4{
  font-size:0.75rem;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:rgba(255,255,255,.45);
  margin-bottom:20px;
  font-weight:600;
}
.footer-col ul{
  display:flex;
  flex-direction:column;
  gap:12px;
}
.footer-col a{
  font-size:0.875rem;
  color:rgba(255,255,255,.6);
  transition:color .25s var(--ease),padding-left .25s var(--ease);
}
.footer-col a:hover{
  color:var(--primary);
  padding-left:4px;
}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  padding-top:24px;
  font-size:0.8125rem;
  color:rgba(255,255,255,.35);
  flex-wrap:wrap;
}
@media(max-width:767px){
  .footer-bottom{flex-direction:column;justify-content:center;text-align:center;}
}

/* 移动端导航 */
@media(max-width:991px){
  .menu-toggle{display:flex;}
  .header-nav{
    position:fixed;
    top:var(--header-h);
    left:0;
    right:0;
    background:var(--bg-base);
    border-bottom:1px solid var(--line);
    flex-direction:column;
    align-items:stretch;
    padding:16px;
    gap:4px;
    transform:translateY(-16px);
    opacity:0;
    pointer-events:none;
    transition:transform .3s var(--ease),opacity .3s var(--ease);
    box-shadow:0 20px 30px rgba(10,25,18,.08);
  }
  .header-nav.open{
    transform:translateY(0);
    opacity:1;
    pointer-events:auto;
  }
  .nav-link{
    padding:14px 16px;
    font-size:1rem;
    border-radius:var(--radius-sm);
  }
  .nav-link.active{
    background:rgba(0,196,125,.08);
  }
  .nav-link.active::after{display:none;}
  .search-box{
    width:180px;
  }
}
@media(max-width:767px){
  .header-actions .search-box{display:none;}
  .header-actions .btn-login{display:none;}
  .header-actions .btn-primary{
    padding:0 16px;
    min-height:40px;
    font-size:0.875rem;
  }
  .header-inner{gap:16px;}
  .logo-text{font-size:1.0625rem;}
  .logo-icon{width:36px;height:36px;}
}

/* 动画 */
@keyframes heroScale{
  0%,100%{transform:scale(1);}
  50%{transform:scale(1.05);}
}
.reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .6s var(--ease),transform .6s var(--ease);
}
.reveal.visible{
  opacity:1;
  transform:translateY(0);
}

/* 焦点可见性 */
a:focus-visible,
button:focus-visible,
input:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
}