/* roulang page: index */
:root {
  --primary: #FF4B2B;
  --primary-2: #9D28FF;
  --accent: #00E0C6;
  --gold: #FFB800;
  --bg-deep: #0A0C12;
  --bg-body: #111522;
  --bg-elevated: #1A2030;
  --bg-light: #F5F7FB;
  --text-strong: #FFFFFF;
  --text-body: #C6CCD9;
  --text-muted: #8A93A8;
  --border: #2A3245;
  --gradient-brand: linear-gradient(135deg, #FF4B2B 0%, #9D28FF 100%);
  --radius-lg: 18px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --shadow-card: 0 8px 30px rgba(0,0,0,0.35);
  --shadow-hover: 0 12px 40px rgba(255,75,43,0.18);
  --shadow-cta: 0 4px 20px rgba(255,75,43,0.4);
  --section-pad: 5rem;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  --font-num: "DIN Alternate", "Bebas Neue", "Roboto Condensed", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); background: var(--bg-body); color: var(--text-body); line-height: 1.8; overflow-x: hidden; }
a { color: var(--accent); text-decoration: none; transition: color 0.25s ease; }
a:hover { color: var(--primary); }
img { max-width: 100%; height: auto; }
button, input { font-family: inherit; }
.container { max-width: 1320px; padding-left: 1.5rem; padding-right: 1.5rem; }
.bg-deep { background: var(--bg-deep); }
.text-gradient { background: var(--gradient-brand); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.section-pad { padding: var(--section-pad) 0; }
.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 2rem; }
.section-header h2 { font-size: 1.8rem; font-weight: 700; color: var(--text-strong); letter-spacing: -0.02em; position: relative; padding-left: 18px; line-height: 1.4; }
.section-header h2::before { content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 4px; height: 70%; border-radius: 4px; background: var(--gradient-brand); }
.section-link { font-size: 0.9rem; color: var(--text-muted); display: inline-flex; align-items: center; gap: 4px; transition: color 0.25s ease, transform 0.25s ease; }
.section-link:hover { color: var(--primary); transform: translateX(4px); }

/* ===== 导航 ===== */
.ly-navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1050; padding: 0; transition: background 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease; background: transparent; min-height: 72px; }
.ly-navbar.scrolled { background: rgba(17, 21, 34, 0.92); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); min-height: 58px; box-shadow: 0 4px 24px rgba(0,0,0,0.4); }
.ly-navbar .navbar-brand { display: flex; align-items: center; gap: 10px; padding: 0; margin: 0; }
.ly-navbar .brand-icon { width: 36px; height: 36px; border-radius: 10px; background: var(--gradient-brand); display: flex; align-items: center; justify-content: center; box-shadow: 0 2px 12px rgba(255,75,43,0.4); flex-shrink: 0; }
.ly-navbar .brand-icon i { color: #fff; font-size: 18px; }
.ly-navbar .brand-text { font-size: 1.25rem; font-weight: 700; color: var(--text-strong); letter-spacing: 0.02em; white-space: nowrap; }
.ly-navbar .navbar-nav { gap: 4px; }
.ly-navbar .nav-link { color: var(--text-body); font-size: 0.95rem; font-weight: 500; padding: 0.6rem 1rem !important; border-radius: 8px; position: relative; transition: color 0.25s ease, background 0.25s ease; }
.ly-navbar .nav-link::after { content: ""; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 0; height: 3px; border-radius: 3px; background: var(--gradient-brand); transition: width 0.3s ease; }
.ly-navbar .nav-link:hover { color: var(--text-strong); }
.ly-navbar .nav-link:hover::after { width: 70%; }
.ly-navbar .nav-link.active { color: var(--text-strong); }
.ly-navbar .nav-link.active::after { width: 70%; }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.nav-search { position: relative; }
.nav-search .form-control { background: rgba(255,255,255,0.06); border: 1px solid transparent; color: var(--text-strong); border-radius: 20px; padding: 0.4rem 1rem 0.4rem 2.2rem; width: 180px; font-size: 0.85rem; transition: all 0.3s ease; }
.nav-search .form-control:focus { background: rgba(255,255,255,0.1); border-color: var(--primary); box-shadow: 0 0 0 3px rgba(255,75,43,0.15); width: 220px; outline: none; color: var(--text-strong); }
.nav-search .form-control::placeholder { color: var(--text-muted); }
.nav-search i { position: absolute; left: 0.9rem; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 0.8rem; pointer-events: none; }
.btn-login { color: var(--text-body); background: transparent; border: 1px solid var(--border); border-radius: 8px; padding: 0.4rem 1.2rem; font-size: 0.9rem; font-weight: 500; transition: all 0.25s ease; }
.btn-login:hover { color: var(--text-strong); border-color: var(--primary); background: rgba(255,75,43,0.08); }
.btn-register { background: var(--gradient-brand); color: #fff; border: none; border-radius: 8px; padding: 0.4rem 1.4rem; font-size: 0.9rem; font-weight: 600; box-shadow: var(--shadow-cta); transition: transform 0.25s ease, box-shadow 0.25s ease; }
.btn-register:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(255,75,43,0.5); color: #fff; }
.navbar-toggler { border: 1px solid var(--border); border-radius: 8px; padding: 4px 8px; }
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(255,75,43,0.15); }
.navbar-toggler-icon { background-image: none; position: relative; width: 20px; height: 2px; background: var(--text-strong); display: inline-block; box-shadow: 0 -6px 0 var(--text-strong), 0 6px 0 var(--text-strong); }

/* ===== Hero ===== */
.hero { position: relative; min-height: 720px; display: flex; align-items: center; padding: 120px 0 80px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; z-index: 0; }
.hero-bg::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10,12,18,0.96) 0%, rgba(10,12,18,0.72) 55%, rgba(10,12,18,0.3) 100%); }
.hero-bg::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 30% 60%, rgba(157,40,255,0.15) 0%, transparent 60%), radial-gradient(circle at 80% 30%, rgba(255,75,43,0.1) 0%, transparent 50%); z-index: 1; }
.hero .container { position: relative; z-index: 2; }
.hero-content { max-width: 620px; }
.hero-content .hero-badge { display: inline-flex; align-items: center; gap: 6px; background: rgba(255,184,0,0.12); border: 1px solid rgba(255,184,0,0.4); border-radius: 20px; padding: 0.25rem 1rem; font-size: 0.8rem; font-weight: 500; color: var(--gold); margin-bottom: 1.2rem; }
.hero-content .hero-badge i { font-size: 0.9rem; }
.hero-content h1 { font-size: clamp(2.4rem, 5vw, 4rem); font-weight: 800; color: var(--text-strong); line-height: 1.2; letter-spacing: -0.02em; margin-bottom: 1.2rem; }
.hero-content .hero-desc { font-size: 1.125rem; color: var(--text-body); line-height: 1.8; margin-bottom: 2rem; max-width: 520px; }
.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 3rem; }
.btn-hero-primary { background: var(--gradient-brand); color: #fff; border: none; border-radius: 10px; padding: 0.75rem 2rem; font-size: 1rem; font-weight: 600; box-shadow: var(--shadow-cta); display: inline-flex; align-items: center; gap: 6px; transition: transform 0.25s ease, box-shadow 0.25s ease; }
.btn-hero-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 28px rgba(255,75,43,0.5); color: #fff; }
.btn-hero-secondary { background: rgba(255,255,255,0.08); color: var(--text-strong); border: 1px solid rgba(255,255,255,0.3); border-radius: 10px; padding: 0.75rem 2rem; font-size: 1rem; font-weight: 500; backdrop-filter: blur(4px); transition: all 0.25s ease; }
.btn-hero-secondary:hover { background: rgba(255,255,255,0.15); border-color: var(--text-strong); color: var(--text-strong); }
.hero-stats { display: flex; gap: 2.5rem; flex-wrap: wrap; }
.hero-stats .stat-item { display: flex; flex-direction: column; gap: 2px; }
.hero-stats .stat-num { font-family: var(--font-num); font-size: 2rem; font-weight: 700; color: var(--gold); line-height: 1.2; }
.hero-stats .stat-label { font-size: 0.85rem; color: var(--text-muted); }
.scroll-indicator { position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%); z-index: 2; width: 36px; height: 36px; border-radius: 50%; border: 1px solid rgba(255,255,255,0.3); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.6); animation: bounce 2s infinite; background: rgba(0,0,0,0.3); }
.scroll-indicator i { font-size: 0.8rem; }
@keyframes bounce { 0%,20%,50%,80%,100% { transform: translateX(-50%) translateY(0); } 40% { transform: translateX(-50%) translateY(-8px); } 60% { transform: translateX(-50%) translateY(-4px); } }

/* ===== 信任条 ===== */
.trust-bar { background: var(--bg-deep); border-bottom: 1px solid var(--border); padding: 1.2rem 0; }
.trust-items { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 1rem; }
.trust-item { display: flex; align-items: center; gap: 8px; color: var(--text-muted); font-size: 0.9rem; font-weight: 500; }
.trust-item i { color: var(--accent); font-size: 1.1rem; }

/* ===== 横滑片库 ===== */
.slider-section { padding: var(--section-pad) 0; background: var(--bg-body); }
.slider-track { display: flex; gap: 1.2rem; overflow-x: auto; padding: 0.5rem 0 1.5rem; scrollbar-width: thin; scrollbar-color: var(--primary) var(--border); -webkit-overflow-scrolling: touch; }
.slider-track::-webkit-scrollbar { height: 6px; }
.slider-track::-webkit-scrollbar-track { background: var(--border); border-radius: 6px; }
.slider-track::-webkit-scrollbar-thumb { background: var(--gradient-brand); border-radius: 6px; }
.slider-card { min-width: 260px; max-width: 260px; background: var(--bg-elevated); border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); transition: transform 0.3s ease, box-shadow 0.3s ease; }
.slider-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.slider-cover { position: relative; aspect-ratio: 16/9; overflow: hidden; background: var(--bg-deep); }
.slider-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.slider-card:hover .slider-cover img { transform: scale(1.05); }
.slider-cover .duration { position: absolute; right: 8px; bottom: 8px; background: rgba(0,0,0,0.7); color: #fff; font-size: 0.7rem; font-family: var(--font-num); padding: 2px 8px; border-radius: 4px; }
.slider-cover .play-btn { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%) scale(0.8); width: 44px; height: 44px; background: rgba(255,255,255,0.9); border-radius: 50%; display: flex; align-items: center; justify-content: center; opacity: 0; transition: all 0.3s ease; }
.slider-card:hover .play-btn { opacity: 1; transform: translate(-50%, -50%) scale(1); }
.slider-cover .play-btn i { color: var(--primary); font-size: 1.1rem; margin-left: 2px; }
.slider-info { padding: 0.9rem 1rem; }
.slider-info h3 { font-size: 0.95rem; font-weight: 600; color: var(--text-strong); margin: 0 0 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.slider-info span { font-size: 0.8rem; color: var(--text-muted); }

/* ===== 热门推荐 ===== */
.recommend-section { padding: var(--section-pad) 0; background: var(--bg-deep); }
.recommend-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.recommend-card { background: var(--bg-elevated); border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--border); transition: transform 0.3s ease, box-shadow 0.3s ease; position: relative; }
.recommend-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.recommend-card .card-cover { position: relative; aspect-ratio: 16/9; overflow: hidden; background: var(--bg-deep); }
.recommend-card .card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.recommend-card:hover .card-cover img { transform: scale(1.04); }
.recommend-card .card-badge { position: absolute; top: 10px; left: 10px; background: var(--gradient-brand); color: #fff; font-size: 0.7rem; font-weight: 600; padding: 3px 10px; border-radius: 4px; }
.recommend-card .card-badge.gold { background: linear-gradient(135deg, #FFB800, #FF8C00); }
.recommend-card .card-rank { position: absolute; bottom: 10px; right: 10px; font-family: var(--font-num); font-size: 2.2rem; font-weight: 700; color: rgba(255,255,255,0.25); line-height: 1; text-shadow: 0 1px 3px rgba(0,0,0,0.3); }
.recommend-card .card-body { padding: 1rem; }
.recommend-card .card-body h3 { font-size: 0.95rem; font-weight: 600; color: var(--text-strong); margin: 0 0 4px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; line-height: 1.5; }
.recommend-card .card-body p { font-size: 0.8rem; color: var(--text-muted); margin: 0 0 10px; }
.recommend-card .card-meta { display: flex; justify-content: space-between; align-items: center; font-size: 0.78rem; color: var(--text-muted); border-top: 1px solid var(--border); padding-top: 8px; }
.recommend-card .card-meta i { color: var(--primary); margin-right: 3px; }
.recommend-card .card-meta .hot { color: var(--gold); }

/* ===== 片单分区 ===== */
.playlist-section { padding: var(--section-pad) 0; background: var(--bg-body); }
.playlist-card { background: var(--bg-elevated); border-radius: var(--radius-lg); border: 1px solid var(--border); padding: 1.5rem; height: 100%; transition: box-shadow 0.3s ease; }
.playlist-card:hover { box-shadow: var(--shadow-hover); }
.playlist-header { display: flex; align-items: center; gap: 10px; margin-bottom: 1.2rem; }
.playlist-header .playlist-icon { width: 36px; height: 36px; border-radius: 10px; background: var(--gradient-brand); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 0.9rem; flex-shrink: 0; }
.playlist-header h3 { font-size: 1.1rem; font-weight: 700; color: var(--text-strong); margin: 0; flex: 1; }
.playlist-header a { font-size: 0.8rem; color: var(--text-muted); transition: color 0.2s ease; }
.playlist-header a:hover { color: var(--primary); }
.playlist-items { display: flex; flex-direction: column; gap: 0.8rem; }
.playlist-item { display: flex; align-items: center; gap: 12px; padding: 0.6rem; border-radius: 10px; transition: background 0.2s ease; }
.playlist-item:hover { background: rgba(255,255,255,0.04); }
.playlist-item .item-num { font-family: var(--font-num); font-size: 1.1rem; font-weight: 700; color: var(--gold); width: 28px; text-align: center; flex-shrink: 0; }
.playlist-item img { width: 64px; height: 48px; border-radius: 8px; object-fit: cover; flex-shrink: 0; }
.playlist-item .item-info { flex: 1; min-width: 0; }
.playlist-item .item-info h4 { font-size: 0.9rem; font-weight: 500; color: var(--text-strong); margin: 0 0 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.playlist-item .item-info span { font-size: 0.75rem; color: var(--text-muted); }
.playlist-item .item-views { font-size: 0.75rem; color: var(--text-muted); display: flex; align-items: center; gap: 4px; white-space: nowrap; }
.playlist-item .item-views i { color: var(--accent); }

/* ===== 资讯 ===== */
.news-section { padding: var(--section-pad) 0; background: var(--bg-deep); }
.news-list { display: flex; flex-direction: column; gap: 1rem; }
.news-item { display: flex; gap: 1rem; background: var(--bg-elevated); border-radius: 12px; border: 1px solid var(--border); padding: 0.8rem; transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease; }
.news-item:hover { transform: translateX(6px); box-shadow: var(--shadow-hover); border-color: var(--primary); }
.news-thumb { width: 120px; height: 80px; border-radius: 8px; overflow: hidden; flex-shrink: 0; background: var(--bg-deep); }
.news-thumb img { width: 100%; height: 100%; object-fit: cover; }
.news-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 4px; }
.news-cat { display: inline-block; background: var(--gradient-brand); color: #fff; font-size: 0.7rem; font-weight: 500; padding: 1px 10px; border-radius: 4px; width: fit-content; line-height: 1.6; }
.news-body h3 { font-size: 0.95rem; font-weight: 600; color: var(--text-strong); margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; line-height: 1.5; }
.news-body p { font-size: 0.82rem; color: var(--text-muted); display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; margin: 0; }
.news-meta { display: flex; gap: 1rem; font-size: 0.75rem; color: var(--text-muted); }
.news-meta i { margin-right: 3px; }
.empty-state { border: 2px dashed var(--border); border-radius: var(--radius-lg); padding: 3rem 2rem; text-align: center; color: var(--text-muted); }
.empty-state i { font-size: 2.5rem; display: block; margin-bottom: 0.8rem; color: var(--text-muted); opacity: 0.5; }
.empty-state p { margin: 0; font-size: 0.95rem; }
.news-sidebar { display: flex; flex-direction: column; gap: 1rem; }
.news-sidebar .sidebar-banner { border-radius: var(--radius-lg); overflow: hidden; position: relative; min-height: 200px; background-size: cover; background-position: center; display: flex; align-items: flex-end; padding: 1.5rem; }
.news-sidebar .sidebar-banner::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 0%, rgba(10,12,18,0.9) 100%); }
.news-sidebar .sidebar-banner .banner-text { position: relative; z-index: 2; }
.news-sidebar .sidebar-banner h4 { color: var(--text-strong); font-size: 0.95rem; font-weight: 600; margin: 0 0 4px; }
.news-sidebar .sidebar-banner p { color: var(--text-muted); font-size: 0.78rem; margin: 0; }
.sidebar-card { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 12px; padding: 1.2rem; }
.sidebar-card h4 { font-size: 0.9rem; font-weight: 600; color: var(--text-strong); margin-bottom: 0.8rem; position: relative; padding-left: 12px; line-height: 1.4; }
.sidebar-card h4::before { content: ""; position: absolute; left: 0; top: 50%; transform: translateY(-50%); width: 3px; height: 60%; background: var(--gradient-brand); border-radius: 2px; }
.sidebar-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.sidebar-tags a { font-size: 0.78rem; color: var(--text-body); background: rgba(255,255,255,0.05); border: 1px solid var(--border); border-radius: 6px; padding: 4px 12px; transition: all 0.2s ease; }
.sidebar-tags a:hover { border-color: var(--primary); color: var(--primary); }

/* ===== CTA ===== */
.cta-banner { position: relative; padding: 4.5rem 0; overflow: hidden; background: var(--gradient-brand); }
.cta-banner::before { content: ""; position: absolute; top: -60px; right: -40px; width: 200px; height: 200px; border-radius: 50%; background: rgba(255,255,255,0.08); filter: blur(40px); }
.cta-banner::after { content: ""; position: absolute; bottom: -80px; left: 20%; width: 160px; height: 160px; border-radius: 50%; background: rgba(0,0,0,0.12); filter: blur(30px); }
.cta-content { display: flex; align-items: center; justify-content: space-between; gap: 2rem; position: relative; z-index: 2; flex-wrap: wrap; }
.cta-text h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; color: #fff; margin-bottom: 0.4rem; letter-spacing: -0.02em; }
.cta-text p { color: rgba(255,255,255,0.9); font-size: 1rem; margin: 0; }
.cta-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }
.cta-buttons .btn-cta-light { background: #fff; color: var(--primary); border: none; border-radius: 10px; padding: 0.7rem 1.8rem; font-weight: 600; font-size: 0.95rem; transition: transform 0.25s ease, box-shadow 0.25s ease; }
.cta-buttons .btn-cta-light:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,0,0,0.2); color: var(--primary); }
.cta-buttons .btn-cta-outline { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,0.5); border-radius: 10px; padding: 0.7rem 1.8rem; font-weight: 500; font-size: 0.95rem; transition: all 0.25s ease; }
.cta-buttons .btn-cta-outline:hover { background: rgba(255,255,255,0.1); border-color: #fff; color: #fff; }

/* ===== FAQ ===== */
.faq-section { padding: var(--section-pad) 0; background: var(--bg-body); }
.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-item { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 12px; margin-bottom: 0.8rem; overflow: hidden; transition: border-color 0.25s ease; }
.faq-item:has(.show) { border-color: var(--primary); }
.faq-header { padding: 1rem 1.2rem; display: flex; align-items: center; gap: 12px; cursor: pointer; }
.faq-header .faq-icon { width: 28px; height: 28px; border-radius: 8px; background: var(--gradient-brand); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.faq-header .faq-icon i { color: #fff; font-size: 0.8rem; }
.faq-header h4 { font-size: 0.95rem; font-weight: 600; color: var(--text-strong); margin: 0; flex: 1; }
.faq-header .faq-toggle { font-size: 1rem; color: var(--text-muted); transition: transform 0.3s ease; flex-shrink: 0; }
.faq-item[open] .faq-toggle { transform: rotate(45deg); }
.faq-body { padding: 0 1.2rem 1.2rem 3.4rem; color: var(--text-body); font-size: 0.9rem; line-height: 1.8; }

/* ===== 页脚 ===== */
.site-footer { background: var(--bg-deep); border-top: 2px solid var(--border); padding: 3.5rem 0 0; position: relative; }
.site-footer::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: var(--gradient-brand); }
.footer-top { display: flex; gap: 3rem; flex-wrap: wrap; margin-bottom: 2rem; }
.footer-brand-col { flex: 2; min-width: 260px; }
.footer-brand-col .footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 1rem; }
.footer-brand-col .footer-logo .brand-icon { width: 36px; height: 36px; border-radius: 10px; background: var(--gradient-brand); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 0.9rem; }
.footer-brand-col .footer-logo span { font-size: 1.2rem; font-weight: 700; color: var(--text-strong); }
.footer-brand-col p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.7; max-width: 340px; }
.footer-col { flex: 1; min-width: 140px; }
.footer-col h5 { font-size: 0.95rem; font-weight: 600; color: var(--text-strong); margin-bottom: 1rem; position: relative; padding-bottom: 8px; }
.footer-col h5::after { content: ""; position: absolute; bottom: 0; left: 0; width: 26px; height: 2px; background: var(--gradient-brand); border-radius: 2px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 6px; }
.footer-col ul li a { color: var(--text-muted); font-size: 0.85rem; transition: color 0.2s ease, padding-left 0.2s ease; }
.footer-col ul li a:hover { color: var(--primary); padding-left: 4px; }
.footer-contact { display: flex; flex-direction: column; gap: 6px; font-size: 0.85rem; color: var(--text-muted); }
.footer-contact span { display: flex; align-items: center; gap: 8px; }
.footer-contact i { color: var(--accent); font-size: 0.8rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding: 1.2rem 0; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.8rem; font-size: 0.8rem; color: var(--text-muted); }
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--primary); }
.back-to-top { position: fixed; right: 20px; bottom: 20px; width: 44px; height: 44px; border-radius: 50%; background: rgba(255,255,255,0.08); border: 1px solid var(--border); color: var(--text-strong); display: flex; align-items: center; justify-content: center; z-index: 1040; opacity: 0; visibility: hidden; transition: all 0.3s ease; backdrop-filter: blur(4px); }
.back-to-top.show { opacity: 1; visibility: visible; }
.back-to-top:hover { background: var(--primary); border-color: var(--primary); transform: translateY(-3px); }

/* ===== 响应式 ===== */
@media (max-width: 1199.98px) {
  .recommend-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 991.98px) {
  :root { --section-pad: 3.5rem; }
  .ly-navbar { background: rgba(17,21,34,0.95); border-bottom: 1px solid var(--border); }
  .navbar-collapse { background: var(--bg-body); border-radius: 0; padding: 1rem; margin-top: 8px; border-bottom: 1px solid var(--border); box-shadow: 0 8px 24px rgba(0,0,0,0.4); }
  .ly-navbar .nav-link { padding: 0.5rem 1rem !important; border-radius: 6px; }
  .ly-navbar .nav-link.active { background: rgba(255,75,43,0.08); }
  .nav-actions { margin-top: 0.8rem; padding-top: 0.8rem; border-top: 1px solid var(--border); }
  .hero { min-height: auto; padding: 120px 0 60px; }
  .hero-content h1 { font-size: 2.4rem; }
  .recommend-grid { grid-template-columns: repeat(2, 1fr); }
  .news-item { flex-wrap: wrap; }
  .news-thumb { width: 100%; height: 140px; }
  .cta-content { flex-direction: column; text-align: center; }
  .cta-buttons { justify-content: center; }
}
@media (max-width: 767.98px) {
  :root { --section-pad: 2.5rem; }
  .hero { padding: 110px 0 50px; }
  .hero-content h1 { font-size: 1.9rem; }
  .hero-content .hero-desc { font-size: 0.95rem; }
  .hero-stats .stat-num { font-size: 1.6rem; }
  .hero-stats .stat-label { font-size: 0.75rem; }
  .slider-card { min-width: 220px; max-width: 220px; }
  .recommend-grid { grid-template-columns: 1fr; }
  .section-header h2 { font-size: 1.4rem; }
  .trust-items { justify-content: center; gap: 0.8rem 1.5rem; }
  .footer-top { flex-direction: column; gap: 2rem; }
  .hero-btns .btn-hero-primary, .hero-btns .btn-hero-secondary { width: 100%; justify-content: center; }
  .news-sidebar { margin-top: 1.5rem; }
  .faq-header { padding: 0.9rem 1rem; }
  .faq-body { padding-left: 1rem; }
}

/* roulang page: article */
:root {
  --primary: #FF4B2B;
  --primary-2: #9D28FF;
  --accent: #00E0C6;
  --gold: #FFB800;
  --bg-deep: #0A0C12;
  --bg-body: #111522;
  --bg-elevated: #1A2030;
  --bg-light: #F5F7FB;
  --text-strong: #FFFFFF;
  --text-body: #C6CCD9;
  --text-muted: #8A93A8;
  --border: #2A3245;
  --gradient-brand: linear-gradient(135deg, #FF4B2B 0%, #9D28FF 100%);
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-card: 0 8px 30px rgba(0,0,0,0.35);
  --shadow-hover: 0 12px 40px rgba(255,75,43,0.18);
  --transition-base: all 0.3s ease;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  background: var(--bg-body);
  color: var(--text-body);
  line-height: 1.8;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--text-body); text-decoration: none; transition: var(--transition-base); }
a:hover, a:focus-visible { color: var(--primary); }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid rgba(255,75,43,0.35); outline-offset: 2px; }
img { max-width: 100%; display: block; object-fit: cover; }
.container { max-width: 1320px; }

/* ===== 导航 ===== */
.ly-navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 72px;
  background: rgba(17,21,34,0.92);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(14px);
  z-index: 1050;
  transition: var(--transition-base);
}
.ly-navbar.scrolled { height: 58px; background: rgba(17,21,34,0.96); box-shadow: 0 8px 24px rgba(0,0,0,0.5); }
.ly-navbar .container { height: 100%; display: flex; align-items: center; }
.ly-navbar .navbar-brand { display: flex; align-items: center; gap: 10px; padding: 0; margin: 0; }
.brand-icon {
  width: 40px; height: 40px;
  background: var(--gradient-brand);
  border-radius: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.2rem;
  box-shadow: 0 4px 14px rgba(255,75,43,0.3);
  flex-shrink: 0;
}
.brand-text { font-size: 1.4rem; font-weight: 800; color: var(--text-strong); letter-spacing: -0.02em; }
.ly-navbar .navbar-collapse { height: 100%; }
.ly-navbar .navbar-nav { gap: 8px; height: 100%; align-items: center; }
.ly-navbar .nav-link {
  color: var(--text-body);
  font-size: 1rem;
  font-weight: 500;
  padding: 10px 14px !important;
  border-radius: 10px;
  position: relative;
  transition: var(--transition-base);
}
.ly-navbar .nav-link::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 2px;
  height: 3px;
  border-radius: 3px;
  background: var(--gradient-brand);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}
.ly-navbar .nav-link:hover { color: var(--text-strong); background: rgba(255,255,255,0.04); }
.ly-navbar .nav-link.active {
  color: var(--text-strong);
  background: rgba(255,75,43,0.08);
}
.ly-navbar .nav-link.active::after { transform: scaleX(1); }
.nav-actions { display: flex; align-items: center; gap: 12px; margin-left: 12px; }
.nav-search {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 6px 14px;
  transition: var(--transition-base);
}
.nav-search:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(255,75,43,0.15); }
.nav-search i { color: var(--text-muted); font-size: 0.9rem; }
.nav-search .form-control {
  width: 120px;
  background: transparent;
  border: none;
  color: var(--text-strong);
  font-size: 0.875rem;
  padding: 0;
  transition: all 0.3s ease;
}
.nav-search .form-control:focus { width: 160px; box-shadow: none; background: transparent; color: var(--text-strong); }
.nav-search .form-control::placeholder { color: var(--text-muted); }
.btn-login {
  color: var(--text-body); font-weight: 600; padding: 8px 18px;
  border-radius: 10px; white-space: nowrap;
}
.btn-login:hover { color: var(--text-strong); background: rgba(255,255,255,0.06); }
.btn-register {
  background: var(--gradient-brand);
  color: #fff; font-weight: 700;
  padding: 9px 22px;
  border-radius: 10px;
  white-space: nowrap;
  box-shadow: 0 4px 20px rgba(255,75,43,0.35);
}
.btn-register:hover { color: #fff; transform: translateY(-1px); box-shadow: 0 6px 24px rgba(255,75,43,0.45); }
.navbar-toggler { border: 1px solid var(--border); color: var(--text-strong); background: rgba(255,255,255,0.05); border-radius: 8px; }
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(255,75,43,0.2); }

/* ===== 页面横幅 ===== */
.page-banner {
  position: relative;
  padding: 150px 0 56px;
  background: url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
  background-color: var(--bg-deep);
}
.page-banner::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(10,12,18,0.96) 0%, rgba(10,12,18,0.82) 55%, rgba(10,12,18,0.55) 100%);
}
.page-banner .container { position: relative; z-index: 1; }

/* 面包屑 */
.ly-breadcrumb { margin-bottom: 28px; }
.ly-breadcrumb .breadcrumb { margin: 0; }
.ly-breadcrumb .breadcrumb-item { font-size: 0.875rem; color: var(--text-muted); }
.ly-breadcrumb .breadcrumb-item a { color: var(--text-muted); }
.ly-breadcrumb .breadcrumb-item a:hover { color: var(--primary); }
.ly-breadcrumb .breadcrumb-item.active { color: var(--text-strong); font-weight: 600; max-width: 320px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ly-breadcrumb .breadcrumb-item + .breadcrumb-item::before { color: var(--text-muted); content: "/"; }
.ly-breadcrumb .breadcrumb-item i { margin-right: 4px; }

/* 页面标题区 */
.article-title-wrap { max-width: 860px; }
.article-title-wrap h1 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  color: var(--text-strong);
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-bottom: 18px;
}
.article-meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 22px;
  color: var(--text-muted); font-size: 0.875rem;
}
.article-meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-meta i { font-size: 0.95rem; color: var(--accent); }

/* ===== 文章主体 ===== */
.article-body-wrap { padding: 56px 0 20px; }
.article-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: var(--shadow-card);
}
.article-content { font-size: 1rem; line-height: 1.85; color: var(--text-body); word-break: break-word; }
.article-content > p:first-of-type { font-size: 1.1rem; color: var(--text-strong); }
.article-content p { margin-bottom: 1.4rem; }
.article-content h2 {
  font-size: 1.5rem; font-weight: 700; color: var(--text-strong);
  margin: 2rem 0 1.2rem; padding-left: 14px; position: relative;
}
.article-content h2::before {
  content: "";
  position: absolute; left: 0; top: 6px; bottom: 6px; width: 4px;
  border-radius: 4px; background: var(--gradient-brand);
}
.article-content h3 { font-size: 1.2rem; font-weight: 700; color: var(--text-strong); margin: 1.6rem 0 1rem; }
.article-content img { border-radius: 12px; margin: 1.5rem 0; width: 100%; height: auto; }
.article-content blockquote {
  border-left: 3px solid var(--primary);
  background: rgba(255,75,43,0.06);
  padding: 14px 20px;
  border-radius: 0 12px 12px 0;
  color: var(--text-body);
  margin: 1.5rem 0;
  font-style: normal;
}
.article-content a { color: var(--primary); text-decoration: underline; text-underline-offset: 4px; }
.article-content ul, .article-content ol { padding-left: 22px; margin-bottom: 1.4rem; }
.article-content li { margin-bottom: 8px; }
.article-content strong { color: var(--text-strong); font-weight: 700; }

/* 空态 */
.article-empty { text-align: center; padding: 80px 20px; }
.article-empty i { font-size: 3rem; color: var(--text-muted); margin-bottom: 20px; display: inline-block; }
.article-empty h3 { color: var(--text-strong); font-size: 1.4rem; margin-bottom: 12px; }
.article-empty p { color: var(--text-muted); margin-bottom: 24px; }
.btn-main {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--gradient-brand);
  color: #fff; font-weight: 700;
  padding: 12px 32px; border-radius: 10px;
  box-shadow: 0 4px 20px rgba(255,75,43,0.35);
  transition: var(--transition-base);
  border: none; cursor: pointer;
}
.btn-main:hover { color: #fff; transform: translateY(-1px); box-shadow: 0 6px 28px rgba(255,75,43,0.45); }

/* 标签 */
.article-tags { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--border); }
.article-tags > span { color: var(--text-muted); font-size: 0.875rem; margin-right: 6px; }
.article-tags a {
  font-size: 0.8125rem; color: var(--text-body);
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: 20px; padding: 5px 16px;
  transition: var(--transition-base);
}
.article-tags a:hover { border-color: var(--primary); color: var(--primary); }

/* 上一篇 / 下一篇 */
.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 32px; }
.post-nav-item {
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  display: flex; flex-direction: column; gap: 6px;
  transition: var(--transition-base);
  min-height: 88px;
}
.post-nav-item:hover { border-color: var(--primary); background: rgba(255,75,43,0.04); }
.post-nav-item span { font-size: 0.8125rem; color: var(--text-muted); }
.post-nav-item strong { font-size: 1rem; color: var(--text-body); font-weight: 600; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.post-nav-item:hover strong { color: var(--text-strong); }
.post-nav-item.disabled { cursor: not-allowed; opacity: 0.6; }
.post-nav-item.disabled:hover { border-color: var(--border); background: var(--bg-deep); }

/* ===== 侧边栏 ===== */
.sidebar-wrap { position: sticky; top: 90px; }
.side-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-card);
}
.side-card-head { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.side-card-head h3 { font-size: 1.1rem; font-weight: 700; color: var(--text-strong); margin: 0; position: relative; padding-left: 12px; }
.side-card-head h3::before { content: ""; position: absolute; left: 0; top: 4px; bottom: 4px; width: 3px; border-radius: 3px; background: var(--gradient-brand); }
.side-list { list-style: none; }
.side-list li { border-bottom: 1px dashed var(--border); }
.side-list li:last-child { border-bottom: none; }
.side-list a { display: flex; align-items: flex-start; gap: 12px; padding: 13px 0; }
.side-list .side-img { width: 72px; height: 52px; border-radius: 8px; object-fit: cover; flex-shrink: 0; background: var(--bg-deep); }
.side-list .side-txt { flex: 1; }
.side-list .side-txt strong { display: block; color: var(--text-body); font-size: 0.9rem; line-height: 1.5; font-weight: 500; transition: var(--transition-base); }
.side-list a:hover .side-txt strong { color: var(--primary); }
.side-list .side-txt em { display: block; font-style: normal; color: var(--text-muted); font-size: 0.75rem; margin-top: 4px; }
.side-match-card {
  display: flex; gap: 14px; align-items: center;
  background: var(--bg-deep);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px;
  margin-bottom: 14px;
  transition: var(--transition-base);
}
.side-match-card:hover { border-color: var(--primary); }
.side-match-card img { width: 78px; height: 60px; border-radius: 8px; flex-shrink: 0; }
.match-info { flex: 1; min-width: 0; }
.match-tag { display: inline-block; font-size: 0.6875rem; font-weight: 700; color: var(--primary); background: rgba(255,75,43,0.12); padding: 2px 8px; border-radius: 4px; margin-bottom: 4px; }
.match-info h4 { font-size: 0.9rem; color: var(--text-strong); font-weight: 600; margin: 0 0 2px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.match-info p { font-size: 0.75rem; color: var(--text-muted); margin: 0; }
.side-banner {
  background: linear-gradient(135deg, rgba(255,75,43,0.2), rgba(157,40,255,0.2)), url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
  background-color: var(--bg-elevated);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
}
.side-banner::before { content: ""; position: absolute; inset: 0; background: rgba(10,12,18,0.35); }
.side-banner h4 { position: relative; z-index: 1; color: var(--text-strong); font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.side-banner p { position: relative; z-index: 1; color: var(--text-body); font-size: 0.85rem; margin-bottom: 16px; }
.side-banner a {
  position: relative; z-index: 1;
  display: inline-block; background: var(--gradient-brand);
  color: #fff; font-size: 0.875rem; font-weight: 700;
  padding: 8px 20px; border-radius: 8px;
  box-shadow: 0 4px 14px rgba(255,75,43,0.35);
}
.side-banner a:hover { color: #fff; transform: translateY(-1px); }

/* ===== 相关推荐 ===== */
.related-section { padding: 40px 0 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 24px; }
.section-head h2 {
  font-size: 1.6rem; font-weight: 700; color: var(--text-strong);
  position: relative; padding-left: 16px; margin: 0;
}
.section-head h2::before {
  content: ""; position: absolute; left: 0; top: 6px; bottom: 6px; width: 4px;
  border-radius: 4px; background: var(--gradient-brand);
}
.section-head .section-more { color: var(--text-muted); font-size: 0.875rem; font-weight: 600; }
.section-head .section-more:hover { color: var(--primary); }
.related-scroll { display: flex; gap: 20px; overflow-x: auto; padding: 4px 4px 16px; scrollbar-width: thin; scrollbar-color: var(--primary) var(--border); }
.related-scroll::-webkit-scrollbar { height: 6px; }
.related-scroll::-webkit-scrollbar-track { background: var(--border); border-radius: 6px; }
.related-scroll::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 6px; }
.related-card {
  flex: 0 0 260px; width: 260px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-base);
  display: block;
}
.related-card:hover { transform: translateY(-4px); border-color: rgba(255,75,43,0.5); box-shadow: var(--shadow-hover); }
.related-card .rel-img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: var(--bg-deep); }
.related-card .rel-body { padding: 14px 16px 18px; }
.related-card .rel-body h3 { font-size: 0.95rem; font-weight: 600; color: var(--text-strong); margin-bottom: 6px; line-height: 1.5; }
.related-card .rel-body p { font-size: 0.8rem; color: var(--text-muted); margin: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ===== 返回列表 ===== */
.back-list-wrap { text-align: center; padding: 40px 0 0; }
.btn-outline-large {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--text-body); font-weight: 600;
  padding: 12px 32px; border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  transition: var(--transition-base);
}
.btn-outline-large:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(255,75,43,0.12); }

/* ===== CTA 横条 ===== */
.cta-bar {
  margin: 24px 0 0;
  padding: 64px 0;
  background: var(--gradient-brand);
  position: relative;
  overflow: hidden;
}
.cta-bar::before {
  content: "";
  position: absolute; top: -80px; right: -60px;
  width: 320px; height: 320px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
}
.cta-bar::after {
  content: "";
  position: absolute; bottom: -120px; left: 10%;
  width: 260px; height: 260px;
  border-radius: 50%;
  background: rgba(0,224,198,0.08);
}
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; position: relative; z-index: 1; flex-wrap: wrap; }
.cta-text h3 { color: #fff; font-size: clamp(1.3rem, 2.5vw, 1.8rem); font-weight: 800; margin-bottom: 8px; }
.cta-text p { color: rgba(255,255,255,0.9); font-size: 0.95rem; margin: 0; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-register-cta {
  background: #fff; color: var(--primary); font-weight: 800;
  padding: 13px 34px; border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
  transition: var(--transition-base);
}
.btn-register-cta:hover { color: var(--primary); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,0,0,0.25); }
.btn-outline-cta {
  border: 2px solid rgba(255,255,255,0.8); color: #fff; font-weight: 700;
  padding: 11px 30px; border-radius: 12px;
  transition: var(--transition-base);
}
.btn-outline-cta:hover { background: rgba(255,255,255,0.15); color: #fff; transform: translateY(-2px); }

/* ===== 页脚 ===== */
.site-footer { background: var(--bg-deep); border-top: 2px solid var(--primary-2); padding: 64px 0 28px; margin-top: 0; }
.footer-top { display: grid; grid-template-columns: 2.2fr 1fr 1.4fr; gap: 48px; padding-bottom: 40px; border-bottom: 1px solid var(--border); }
.footer-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer-logo .brand-icon { width: 44px; height: 44px; background: var(--gradient-brand); border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; color: #fff; font-size: 1.3rem; }
.footer-logo span { font-size: 1.4rem; font-weight: 800; color: var(--text-strong); }
.footer-brand-col p { color: var(--text-muted); font-size: 0.875rem; line-height: 1.9; max-width: 400px; margin: 0; }
.footer-col h5 { color: var(--text-strong); font-size: 1rem; font-weight: 700; margin-bottom: 20px; }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul a { color: var(--text-muted); font-size: 0.875rem; }
.footer-col ul a:hover { color: var(--primary); padding-left: 4px; }
.footer-contact { display: flex; flex-direction: column; gap: 12px; }
.footer-contact span { color: var(--text-muted); font-size: 0.875rem; display: flex; align-items: center; gap: 10px; }
.footer-contact i { color: var(--primary); font-size: 1rem; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 24px; flex-wrap: wrap; gap: 12px; }
.footer-bottom span { color: var(--text-muted); font-size: 0.8125rem; }
.footer-bottom div a { color: var(--text-muted); font-size: 0.8125rem; }
.footer-bottom div a:hover { color: var(--primary); }

/* ===== 返回顶部 ===== */
.back-top-btn {
  position: fixed; right: 24px; bottom: 24px;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  color: var(--text-strong);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  opacity: 0; visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition-base);
  z-index: 1000;
}
.back-top-btn.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ===== 响应式 ===== */
@media (max-width: 1199.98px) {
  .nav-search .form-control { width: 90px; }
  .nav-search .form-control:focus { width: 120px; }
  .ly-navbar .nav-link { padding: 10px 10px !important; }
}
@media (max-width: 991.98px) {
  .ly-navbar .container { flex-wrap: nowrap; }
  .ly-navbar .navbar-collapse {
    position: fixed; top: 72px; left: 0; right: 0;
    background: rgba(17,21,34,0.98);
    border-bottom: 1px solid var(--border);
    padding: 20px;
    height: auto !important; max-height: calc(100vh - 72px); overflow-y: auto;
  }
  .ly-navbar .navbar-nav { height: auto; align-items: flex-start; margin: 0 0 16px !important; }
  .ly-navbar .nav-link { padding: 12px 14px !important; width: 100%; }
  .ly-navbar .nav-link::after { display: none; }
  .nav-actions { margin-left: 0; flex-wrap: wrap; width: 100%; }
  .nav-search { flex: 1; }
  .nav-search .form-control { width: 100%; }
  .nav-search .form-control:focus { width: 100%; }
  .article-card { padding: 28px 24px; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
  .sidebar-wrap { position: static; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 767.98px) {
  .ly-navbar { height: 64px; }
  .ly-navbar .navbar-collapse { top: 64px; max-height: calc(100vh - 64px); }
  .brand-icon { width: 36px; height: 36px; font-size: 1rem; border-radius: 10px; }
  .brand-text { font-size: 1.2rem; }
  .page-banner { padding: 120px 0 40px; }
  .article-title-wrap h1 { font-size: 1.6rem; }
  .article-meta { gap: 12px; }
  .article-body-wrap { padding: 32px 0 10px; }
  .article-card { padding: 20px 18px; border-radius: 16px; }
  .post-nav { grid-template-columns: 1fr; gap: 12px; }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  .cta-bar { padding: 48px 0; }
  .cta-actions .btn-register-cta, .cta-actions .btn-outline-cta { width: 100%; text-align: center; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .related-card { flex: 0 0 230px; width: 230px; }
  .back-list-wrap { padding-top: 24px; }
}
@media (max-width: 519.98px) {
  .brand-text { font-size: 1.1rem; }
  .btn-login { display: none; }
  .nav-search { flex: 0 0 auto; width: 42px; padding: 8px; background: transparent; border-color: transparent; }
  .nav-search .form-control { display: none; }
  .nav-search:focus-within { border-color: var(--primary); background: var(--bg-deep); width: 160px; }
  .nav-search:focus-within .form-control { display: block; width: 110px; }
  .article-meta { font-size: 0.8125rem; gap: 10px; flex-wrap: wrap; }
  .section-head h2 { font-size: 1.3rem; }
}

/* roulang page: category1 */
:root {
  --primary: #FF4B2B;
  --primary-2: #9D28FF;
  --accent: #00E0C6;
  --gold: #FFB800;
  --bg-deep: #0A0C12;
  --bg-body: #111522;
  --bg-elevated: #1A2030;
  --bg-light: #F5F7FB;
  --text-strong: #FFFFFF;
  --text-body: #C6CCD9;
  --text-muted: #8A93A8;
  --border: #2A3245;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-card: 0 8px 30px rgba(0,0,0,0.35);
  --shadow-hover: 0 12px 40px rgba(255,75,43,0.18);
  --shadow-cta: 0 4px 20px rgba(255,75,43,0.4);
  --gradient-brand: linear-gradient(135deg, #FF4B2B 0%, #9D28FF 100%);
  --transition: all 0.3s ease;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  background-color: var(--bg-body);
  color: var(--text-body);
  line-height: 1.8;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  height: auto;
}
a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}
a:hover,
a:focus-visible {
  color: var(--primary);
}
a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(255,75,43,0.5);
  outline-offset: 2px;
}
button {
  border: none;
  background: none;
  cursor: pointer;
}
.section-pad {
  padding: 5rem 0;
}
.container {
  max-width: 1320px;
}

/* ===== Navbar ===== */
.ly-navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1050;
  min-height: 72px;
  padding: 0;
  background: rgba(10,12,18,0.5);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid transparent;
  transition: all 0.35s ease;
}
.ly-navbar.scrolled {
  background: rgba(17,21,34,0.94);
  border-bottom-color: var(--border);
  min-height: 58px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5);
}
.ly-navbar .navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0;
}
.brand-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--gradient-brand);
  color: #fff;
  font-size: 1.25rem;
  box-shadow: 0 4px 16px rgba(255,75,43,0.35);
}
.brand-text {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-strong);
  letter-spacing: -0.01em;
}
.ly-navbar .navbar-nav {
  gap: 0.25rem;
}
.ly-navbar .nav-link {
  position: relative;
  padding: 0.6rem 1rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-body);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.ly-navbar .nav-link:hover {
  color: var(--text-strong);
  background: rgba(255,255,255,0.05);
}
.ly-navbar .nav-link.active {
  color: var(--text-strong);
  font-weight: 600;
}
.ly-navbar .nav-link.active::after {
  content: "";
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 0.2rem;
  height: 3px;
  border-radius: 3px;
  background: var(--gradient-brand);
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.nav-search {
  display: flex;
  align-items: center;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: 0.35rem 0.9rem;
  gap: 0.5rem;
  transition: var(--transition);
}
.nav-search i {
  color: var(--text-muted);
  font-size: 0.9rem;
}
.nav-search .form-control {
  background: transparent;
  border: none;
  box-shadow: none;
  padding: 0.25rem 0;
  font-size: 0.85rem;
  color: var(--text-strong);
  width: 110px;
  transition: var(--transition);
}
.nav-search .form-control::placeholder {
  color: var(--text-muted);
}
.nav-search:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255,75,43,0.15);
}
.nav-search:focus-within .form-control {
  width: 150px;
}
.btn-login {
  padding: 0.45rem 1.1rem;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-body);
  border: 1px solid var(--border);
  transition: var(--transition);
}
.btn-login:hover {
  color: var(--text-strong);
  border-color: var(--primary);
  background: rgba(255,75,43,0.1);
}
.btn-register {
  padding: 0.45rem 1.2rem;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
  background: var(--gradient-brand);
  box-shadow: var(--shadow-cta);
  transition: var(--transition);
}
.btn-register:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255,75,43,0.5);
  color: #fff;
}
.navbar-toggler {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.35rem 0.6rem;
}
.navbar-toggler:focus {
  box-shadow: 0 0 0 3px rgba(255,75,43,0.25);
}
.navbar-toggler .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ===== Category Hero ===== */
.category-hero {
  position: relative;
  padding: 9rem 0 4.5rem;
  background:
    linear-gradient(90deg, rgba(10,12,18,0.97) 0%, rgba(10,12,18,0.75) 55%, rgba(10,12,18,0.5) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.category-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 75% 20%, rgba(157,40,255,0.15) 0%, transparent 60%);
  pointer-events: none;
}
.hero-breadcrumb .breadcrumb {
  margin-bottom: 2rem;
  --bs-breadcrumb-divider: '/';
}
.hero-breadcrumb .breadcrumb a {
  color: var(--text-muted);
  font-size: 0.875rem;
}
.hero-breadcrumb .breadcrumb a:hover {
  color: var(--primary);
}
.hero-breadcrumb .breadcrumb-item.active {
  color: var(--text-strong);
  font-weight: 500;
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255,75,43,0.15);
  border: 1px solid rgba(255,75,43,0.3);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.3rem 1rem;
  border-radius: 30px;
  margin-bottom: 1.2rem;
}
.hero-inner h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  color: var(--text-strong);
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--text-body);
  line-height: 1.9;
  margin-bottom: 2rem;
  max-width: 600px;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.btn-main {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 2rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 1rem;
  color: #fff;
  background: var(--gradient-brand);
  box-shadow: var(--shadow-cta);
  transition: var(--transition);
}
.btn-main:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 28px rgba(255,75,43,0.55);
  color: #fff;
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.72rem 1.8rem;
  border-radius: 10px;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-strong);
  border: 1px solid rgba(255,255,255,0.35);
  background: rgba(255,255,255,0.05);
  transition: var(--transition);
}
.btn-outline:hover {
  border-color: var(--accent);
  background: rgba(0,224,198,0.1);
  color: var(--text-strong);
  transform: translateY(-3px);
}
.hero-stats {
  display: flex;
  gap: 2.5rem;
  flex-wrap: wrap;
}
.stat-item {
  display: flex;
  flex-direction: column;
}
.stat-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--gold);
  font-family: "DIN Alternate", "Bebas Neue", "Roboto Condensed", sans-serif;
  line-height: 1.2;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ===== Guide Overview ===== */
.guide-overview {
  background: var(--bg-body);
  position: relative;
}
.section-head {
  margin-bottom: 3rem;
}
.section-head .section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}
.section-head .section-tag::before {
  content: "";
  width: 4px;
  height: 18px;
  border-radius: 4px;
  background: var(--gradient-brand);
}
.section-head h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 0.5rem;
}
.section-head p {
  color: var(--text-muted);
  max-width: 640px;
}
.guide-feature-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  height: 100%;
}
.guide-feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.feature-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/10;
  background: var(--bg-deep);
}
.feature-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.guide-feature-card:hover .feature-img img {
  transform: scale(1.04);
}
.feature-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background: var(--gradient-brand);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.25rem 0.9rem;
  border-radius: 30px;
  box-shadow: 0 4px 12px rgba(255,75,43,0.4);
}
.feature-body {
  padding: 1.8rem;
}
.feature-body h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 0.8rem;
}
.feature-body p {
  color: var(--text-body);
  line-height: 1.9;
  margin-bottom: 1.2rem;
}
.feature-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--primary);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
}
.feature-link:hover {
  gap: 0.7rem;
  color: var(--primary-2);
}
.guide-small-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  height: 100%;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.guide-small-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-brand);
  opacity: 0;
  transition: var(--transition);
}
.guide-small-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,75,43,0.4);
  box-shadow: var(--shadow-hover);
}
.guide-small-card:hover::before {
  opacity: 1;
}
.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(255,75,43,0.15), rgba(157,40,255,0.15));
  color: var(--primary);
  font-size: 1.4rem;
  margin-bottom: 1rem;
  transition: var(--transition);
}
.guide-small-card:hover .card-icon {
  background: var(--gradient-brand);
  color: #fff;
}
.guide-small-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 0.5rem;
}
.guide-small-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 0.9rem;
}
.guide-small-card a {
  font-size: 0.85rem;
  color: var(--primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
}
.guide-small-card a:hover {
  gap: 0.5rem;
  color: var(--primary-2);
}

/* ===== Steps ===== */
.steps-section {
  background: var(--bg-deep);
  position: relative;
  overflow: hidden;
}
.steps-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 20% 30%, rgba(255,75,43,0.08) 0%, transparent 50%), radial-gradient(circle at 80% 70%, rgba(157,40,255,0.08) 0%, transparent 50%);
  pointer-events: none;
}
.steps-section .container {
  position: relative;
  z-index: 1;
}
.step-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  position: relative;
  height: 100%;
  transition: var(--transition);
  overflow: hidden;
}
.step-card::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-brand);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}
.step-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.step-card:hover::after {
  transform: scaleX(1);
}
.step-num {
  font-size: 2.5rem;
  font-weight: 800;
  font-family: "DIN Alternate", "Bebas Neue", "Roboto Condensed", sans-serif;
  background: linear-gradient(135deg, rgba(255,75,43,0.25), rgba(157,40,255,0.25));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.4;
  margin-bottom: 0.75rem;
}
.step-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 0.5rem;
}
.step-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 0;
}

/* ===== Security ===== */
.security-section {
  background: var(--bg-body);
}
.security-card {
  background: linear-gradient(145deg, var(--bg-elevated) 0%, #1C2333 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.6rem;
  text-align: center;
  height: 100%;
  transition: var(--transition);
}
.security-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0,224,198,0.3);
  box-shadow: 0 12px 40px rgba(0,224,198,0.12);
}
.security-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(0,224,198,0.12), rgba(157,40,255,0.12));
  color: var(--accent);
  font-size: 1.6rem;
  margin-bottom: 1rem;
  transition: var(--transition);
}
.security-card:hover .security-icon {
  background: linear-gradient(135deg, rgba(0,224,198,0.25), rgba(157,40,255,0.25));
  transform: scale(1.05);
}
.security-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 0.5rem;
}
.security-card p {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 0;
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--bg-deep);
}
.custom-accordion .accordion-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md) !important;
  margin-bottom: 1rem;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  transition: var(--transition);
}
.custom-accordion .accordion-item:last-child {
  margin-bottom: 0;
}
.custom-accordion .accordion-item:hover {
  border-color: rgba(255,75,43,0.35);
}
.custom-accordion .accordion-header {
  margin-bottom: 0;
}
.custom-accordion .accordion-button {
  position: relative;
  background: transparent;
  color: var(--text-strong);
  font-size: 1rem;
  font-weight: 600;
  padding: 1.1rem 1.5rem;
  border: none;
  box-shadow: none;
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.custom-accordion .accordion-button::before {
  content: "？";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: linear-gradient(135deg, rgba(255,75,43,0.2), rgba(157,40,255,0.2));
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 700;
  margin-right: 0.8rem;
  flex-shrink: 0;
}
.custom-accordion .accordion-button::after {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23FFB800'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e") !important;
  background-size: 1rem;
  transition: transform 0.3s ease;
}
.custom-accordion .accordion-button:not(.collapsed) {
  background: rgba(255,75,43,0.06);
  color: var(--text-strong);
}
.custom-accordion .accordion-button:not(.collapsed)::after {
  transform: rotate(180deg);
}
.custom-accordion .accordion-body {
  padding: 1.2rem 1.5rem 1.5rem;
  color: var(--text-body);
  font-size: 0.925rem;
  line-height: 1.9;
  border-top: 1px solid rgba(42,50,69,0.5);
}

/* ===== CTA ===== */
.cta-section {
  padding: 4rem 0;
  background: var(--bg-body);
}
.cta-box {
  position: relative;
  background: var(--gradient-brand);
  border-radius: 24px;
  padding: 3.5rem 3rem;
  text-align: center;
  overflow: hidden;
  box-shadow: 0 16px 50px rgba(255,75,43,0.25);
}
.cta-box::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255,255,255,0.06) 0%, transparent 30%, transparent 70%, rgba(255,255,255,0.06) 100%);
  animation: cta-shine 6s ease-in-out infinite;
}
@keyframes cta-shine {
  0%, 100% { transform: translateX(-30%); opacity: 0.5; }
  50% { transform: translateX(30%); opacity: 1; }
}
.cta-box h2 {
  position: relative;
  color: #fff;
  font-size: 1.9rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}
.cta-box p {
  position: relative;
  color: rgba(255,255,255,0.9);
  font-size: 1rem;
  margin-bottom: 1.8rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.cta-actions {
  position: relative;
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}
.btn-cta-main {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 2.2rem;
  border-radius: 12px;
  background: #fff;
  color: var(--primary);
  font-weight: 700;
  font-size: 1rem;
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
  transition: var(--transition);
}
.btn-cta-main:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.3);
  color: var(--primary-2);
}
.btn-cta-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 1.8rem;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.6);
  color: #fff;
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
}
.btn-cta-outline:hover {
  background: rgba(255,255,255,0.15);
  color: #fff;
  transform: translateY(-3px);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-deep);
  border-top: 2px solid transparent;
  background-image: linear-gradient(var(--bg-deep), var(--bg-deep)), var(--gradient-brand);
  background-origin: border-box;
  background-clip: padding-box, border-box;
  background-size: 100% 100%, 100% 2px;
  background-repeat: no-repeat;
  padding: 4rem 0 0;
}
.footer-top {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--border);
}
.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1rem;
}
.footer-logo .brand-icon {
  width: 38px;
  height: 38px;
  font-size: 1.1rem;
}
.footer-logo span:last-child {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-strong);
}
.footer-brand-col p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.9;
  max-width: 380px;
  margin-bottom: 0;
}
.footer-col h5 {
  color: var(--text-strong);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.2rem;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-col ul li {
  margin-bottom: 0.7rem;
}
.footer-col ul li a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: var(--transition);
}
.footer-col ul li a:hover {
  color: var(--primary);
  padding-left: 4px;
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}
.footer-contact span {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}
.footer-contact i {
  color: var(--primary);
  font-size: 1rem;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  padding: 1.5rem 0;
  gap: 0.8rem;
}
.footer-bottom span {
  color: var(--text-muted);
  font-size: 0.85rem;
}
.footer-bottom a {
  color: var(--text-muted);
  font-size: 0.85rem;
}
.footer-bottom a:hover {
  color: var(--primary);
}

/* ===== Responsive ===== */
@media (max-width: 991.98px) {
  .ly-navbar {
    background: rgba(10,12,18,0.95);
  }
  .ly-navbar .navbar-collapse {
    background: var(--bg-elevated);
    border-radius: 16px;
    margin-top: 0.5rem;
    padding: 1rem;
    border: 1px solid var(--border);
    box-shadow: 0 12px 30px rgba(0,0,0,0.4);
  }
  .ly-navbar .navbar-nav {
    gap: 0.15rem;
    margin-bottom: 0.75rem;
  }
  .ly-navbar .nav-link.active::after {
    left: 1rem;
    right: auto;
    width: 44px;
  }
  .nav-actions {
    flex-wrap: wrap;
    gap: 0.5rem;
    border-top: 1px solid var(--border);
    padding-top: 0.75rem;
  }
  .nav-search {
    width: 100%;
  }
  .nav-search .form-control {
    flex: 1;
    width: auto;
  }
  .nav-search .form-control:focus {
    width: auto;
  }
  .footer-top {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 767.98px) {
  .section-pad {
    padding: 3.5rem 0;
  }
  .category-hero {
    padding: 7rem 0 3rem;
  }
  .hero-inner h1 {
    font-size: 1.8rem;
  }
  .hero-sub {
    font-size: 0.95rem;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .btn-main,
  .btn-outline {
    justify-content: center;
  }
  .hero-stats {
    gap: 1.5rem;
  }
  .stat-num {
    font-size: 1.4rem;
  }
  .section-head h2 {
    font-size: 1.5rem;
  }
  .cta-box {
    padding: 2.5rem 1.5rem;
  }
  .cta-box h2 {
    font-size: 1.4rem;
  }
  .cta-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .btn-cta-main,
  .btn-cta-outline {
    justify-content: center;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}
@media (max-width: 520px) {
  .hero-stats {
    gap: 1.2rem;
  }
  .stat-item {
    min-width: 80px;
  }
  .stat-num {
    font-size: 1.2rem;
  }
  .guide-small-card {
    padding: 1.2rem;
  }
  .feature-body {
    padding: 1.4rem;
  }
}

/* roulang page: category3 */
:root {
            --primary: #FF4B2B;
            --primary-2: #9D28FF;
            --accent: #00E0C6;
            --gold: #FFB800;
            --bg-deep: #0A0C12;
            --bg-body: #111522;
            --bg-elevated: #1A2030;
            --bg-light: #F5F7FB;
            --text-strong: #FFFFFF;
            --text-body: #C6CCD9;
            --text-muted: #8A93A8;
            --border: #2A3245;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-card: 0 8px 30px rgba(0,0,0,0.35);
            --shadow-hover: 0 12px 40px rgba(255,75,43,0.18);
            --gradient-brand: linear-gradient(135deg, #FF4B2B 0%, #9D28FF 100%);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            background-color: var(--bg-body);
            color: var(--text-body);
            line-height: 1.7;
            overflow-x: hidden;
        }

        a {
            color: var(--text-body);
            text-decoration: none;
            transition: color .25s ease;
        }
        a:hover {
            color: var(--primary);
        }

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

        .container {
            max-width: 1320px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        .section-padding {
            padding: 5rem 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-strong);
            letter-spacing: -0.01em;
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .section-title::before {
            content: "";
            width: 4px;
            height: 26px;
            border-radius: 4px;
            background: var(--gradient-brand);
            flex-shrink: 0;
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 2.5rem;
        }

        /* ===================== NAVBAR ===================== */
        .ly-navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1080;
            background: rgba(17, 21, 34, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(42, 50, 69, 0.6);
            min-height: 72px;
            transition: min-height .3s ease, box-shadow .3s ease;
        }

        .ly-navbar.scrolled {
            min-height: 58px;
            box-shadow: 0 8px 24px rgba(0,0,0,0.5);
        }

        .ly-navbar .navbar-brand {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0;
        }

        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--gradient-brand);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            box-shadow: 0 4px 16px rgba(255,75,43,0.35);
        }

        .brand-text {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-strong);
            letter-spacing: -0.01em;
        }

        .ly-navbar .navbar-nav {
            gap: 0.25rem;
        }

        .ly-navbar .nav-link {
            color: var(--text-body);
            font-size: 0.98rem;
            font-weight: 500;
            padding: 0.5rem 1rem !important;
            border-radius: var(--radius-sm);
            position: relative;
            transition: color .25s ease, background .25s ease;
        }

        .ly-navbar .nav-link:hover {
            color: var(--text-strong);
            background: rgba(255,255,255,0.05);
        }

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

        .ly-navbar .nav-link.active::after {
            content: "";
            position: absolute;
            left: 1rem;
            right: 1rem;
            bottom: 0;
            height: 3px;
            border-radius: 3px;
            background: var(--gradient-brand);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }

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

        .nav-search i {
            position: absolute;
            left: 0.9rem;
            color: var(--text-muted);
            font-size: 0.9rem;
            pointer-events: none;
        }

        .nav-search .form-control {
            background: rgba(255,255,255,0.06);
            border: 1px solid transparent;
            border-radius: 30px;
            padding: 0.45rem 1rem 0.45rem 2.4rem;
            font-size: 0.85rem;
            color: var(--text-strong);
            width: 170px;
            transition: width .3s ease, border-color .3s ease, background .3s ease;
        }

        .nav-search .form-control:focus {
            background: rgba(255,255,255,0.09);
            border-color: var(--primary);
            width: 210px;
            box-shadow: 0 0 0 3px rgba(255,75,43,0.15);
            color: var(--text-strong);
        }

        .nav-search .form-control::placeholder {
            color: var(--text-muted);
        }

        .btn-login {
            padding: 0.45rem 1.1rem;
            border-radius: 8px;
            font-weight: 500;
            font-size: 0.9rem;
            color: var(--text-strong);
            border: 1px solid var(--border);
            transition: border-color .25s ease, color .25s ease, background .25s ease;
        }

        .btn-login:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(255,75,43,0.08);
        }

        .btn-register {
            padding: 0.5rem 1.3rem;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.9rem;
            color: #fff;
            background: var(--gradient-brand);
            box-shadow: 0 4px 18px rgba(255,75,43,0.35);
            transition: transform .25s ease, box-shadow .25s ease;
        }

        .btn-register:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(255,75,43,0.45);
        }

        .navbar-toggler {
            border: none;
            padding: 0.4rem 0.55rem;
        }

        .navbar-toggler:focus {
            box-shadow: none;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ===================== HERO ===================== */
        .category-hero {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            padding: 8rem 0 4.5rem;
            background: linear-gradient(90deg, rgba(10,12,18,0.96) 0%, rgba(10,12,18,0.78) 55%, rgba(10,12,18,0.4)), url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 380px;
            height: 380px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(157,40,255,0.25) 0%, transparent 70%);
            pointer-events: none;
        }

        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }

        .category-hero .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(255,75,43,0.15);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.3rem 0.9rem;
            border-radius: 30px;
            border: 1px solid rgba(255,75,43,0.3);
            margin-bottom: 1.2rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .category-hero h1 {
            font-size: clamp(2.1rem, 4vw, 3.2rem);
            font-weight: 800;
            color: var(--text-strong);
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 1.2rem;
        }

        .category-hero h1 .highlight {
            background: var(--gradient-brand);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .category-hero .hero-desc {
            font-size: 1.05rem;
            color: var(--text-body);
            margin-bottom: 2rem;
            line-height: 1.8;
            max-width: 600px;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 2rem;
        }

        .hero-stat {
            background: rgba(255,255,255,0.06);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 0.9rem 1.4rem;
            min-width: 130px;
            backdrop-filter: blur(6px);
        }

        .hero-stat .num {
            font-family: "DIN Alternate", "Bebas Neue", "Roboto Condensed", sans-serif;
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--gold);
            line-height: 1.1;
        }

        .hero-stat .label {
            font-size: 0.78rem;
            color: var(--text-muted);
            white-space: nowrap;
        }

        .scroll-down {
            position: absolute;
            bottom: 1.8rem;
            left: 50%;
            transform: translateX(-50%);
            width: 38px;
            height: 38px;
            border-radius: 50%;
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            font-size: 1rem;
            transition: border-color .25s ease, color .25s ease, bottom .25s ease;
            background: rgba(10,12,18,0.5);
            z-index: 2;
        }

        .scroll-down:hover {
            color: var(--primary);
            border-color: var(--primary);
            bottom: 2.1rem;
        }

        /* ===================== BREADCRUMB ===================== */
        .ly-breadcrumb {
            padding: 1.2rem 0;
            border-bottom: 1px solid var(--border);
            background: var(--bg-deep);
        }

        .ly-breadcrumb .breadcrumb {
            margin-bottom: 0;
            font-size: 0.88rem;
        }

        .ly-breadcrumb .breadcrumb-item a {
            color: var(--text-muted);
        }

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

        .ly-breadcrumb .breadcrumb-item.active {
            color: var(--text-strong);
            font-weight: 500;
        }

        .ly-breadcrumb .breadcrumb-item + .breadcrumb-item::before {
            color: var(--border);
        }

        /* ===================== STEPS ===================== */
        .steps-section {
            background: var(--bg-body);
        }

        .step-card {
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 2rem 1.5rem;
            height: 100%;
            position: relative;
            overflow: hidden;
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
        }

        .step-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--gradient-brand);
            opacity: 0;
            transition: opacity .3s ease;
        }

        .step-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(255,75,43,0.25);
        }

        .step-card:hover::before {
            opacity: 1;
        }

        .step-number {
            font-family: "DIN Alternate", "Bebas Neue", "Roboto Condensed", sans-serif;
            font-size: 2.6rem;
            font-weight: 700;
            color: rgba(255,255,255,0.12);
            line-height: 1;
            margin-bottom: 1rem;
        }

        .step-card .step-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(255,75,43,0.2), rgba(157,40,255,0.2));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--primary);
            margin-bottom: 1.2rem;
            border: 1px solid rgba(255,75,43,0.2);
        }

        .step-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: 0.6rem;
        }

        .step-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===================== HELP TOPICS ===================== */
        .help-topics {
            background: var(--bg-deep);
            position: relative;
        }

        .help-topics::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--border), transparent);
        }

        .help-card {
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 1.8rem 1.5rem;
            height: 100%;
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
            position: relative;
            overflow: hidden;
        }

        .help-card::after {
            content: "";
            position: absolute;
            right: -30px;
            top: -30px;
            width: 90px;
            height: 90px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255,75,43,0.08) 0%, transparent 70%);
            pointer-events: none;
            transition: transform .3s ease;
        }

        .help-card:hover {
            border-color: rgba(255,75,43,0.3);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .help-card:hover::after {
            transform: scale(1.5);
        }

        .help-card .icon-box {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(255,75,43,0.15), rgba(157,40,255,0.15));
            border: 1px solid rgba(255,75,43,0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--primary);
            margin-bottom: 1rem;
        }

        .help-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: 0.5rem;
        }

        .help-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 1rem;
        }

        .help-card .more-link {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
            transition: gap .25s ease;
        }

        .help-card .more-link:hover {
            gap: 0.5rem;
            color: var(--primary-2);
        }

        /* ===================== FAQ ===================== */
        .faq-section {
            background: var(--bg-body);
        }

        .faq-panel .accordion-item {
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 1rem;
            overflow: hidden;
            transition: border-color .3s ease, box-shadow .3s ease;
        }

        .faq-panel .accordion-item:focus-within {
            border-color: var(--primary);
        }

        .faq-panel .accordion-button {
            background: transparent;
            color: var(--text-strong);
            font-weight: 600;
            font-size: 1rem;
            padding: 1.1rem 1.3rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .faq-panel .accordion-button::before {
            content: "\F64D";
            font-family: "bootstrap-icons";
            color: var(--primary);
            font-size: 0.9rem;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(255,75,43,0.12);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .faq-panel .accordion-button:not(.collapsed) {
            background: rgba(255,75,43,0.05);
            box-shadow: none;
            color: var(--text-strong);
        }

        .faq-panel .accordion-button:focus {
            box-shadow: none;
            border: none;
        }

        .faq-panel .accordion-button::after {
            background-image: none;
            content: "\F64D";
            font-family: "bootstrap-icons";
            color: var(--text-muted);
            font-size: 1.1rem;
            transform: rotate(0deg);
            transition: transform .25s ease;
            width: auto;
            height: auto;
            flex-shrink: 0;
        }

        .faq-panel .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            color: var(--primary);
        }

        .faq-panel .accordion-body {
            color: var(--text-body);
            font-size: 0.93rem;
            line-height: 1.8;
            padding: 0.5rem 1.5rem 1.2rem 4.3rem;
            background: var(--bg-elevated);
        }

        /* ===================== SERVICE BAND ===================== */
        .service-band {
            background: var(--bg-deep);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .service-item {
            text-align: center;
            padding: 2rem 1rem;
        }

        .service-item .num {
            font-family: "DIN Alternate", "Roboto Condensed", sans-serif;
            font-size: 2.1rem;
            font-weight: 700;
            color: var(--text-strong);
            line-height: 1.1;
        }

        .service-item .num span {
            color: var(--primary);
        }

        .service-item .label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 0.3rem;
        }

        /* ===================== CTA ===================== */
        .cta-band {
            position: relative;
            padding: 4.5rem 0;
            background: var(--gradient-brand);
            overflow: hidden;
        }

        .cta-band::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -60px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            pointer-events: none;
        }

        .cta-band::after {
            content: "";
            position: absolute;
            bottom: -100px;
            left: 20%;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(255,255,255,0.05);
            pointer-events: none;
        }

        .cta-band .cta-inner {
            position: relative;
            z-index: 2;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
        }

        .cta-band h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.3rem;
            letter-spacing: -0.02em;
        }

        .cta-band p {
            font-size: 0.95rem;
            color: rgba(255,255,255,0.85);
            margin-bottom: 0;
            max-width: 560px;
        }

        .cta-buttons {
            display: flex;
            gap: 0.8rem;
            flex-wrap: wrap;
        }

        .btn-cta-light {
            padding: 0.65rem 1.8rem;
            border-radius: 10px;
            background: #fff;
            color: var(--primary) !important;
            font-weight: 700;
            font-size: 0.95rem;
            box-shadow: 0 4px 16px rgba(0,0,0,0.2);
            transition: transform .25s ease, box-shadow .25s ease;
        }

        .btn-cta-light:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(0,0,0,0.3);
        }

        .btn-cta-outline {
            padding: 0.65rem 1.8rem;
            border-radius: 10px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.8);
            font-weight: 600;
            font-size: 0.95rem;
            transition: background .25s ease, transform .25s ease;
        }

        .btn-cta-outline:hover {
            background: rgba(255,255,255,0.15);
            color: #fff;
            transform: translateY(-3px);
        }

        /* ===================== FOOTER ===================== */
        .site-footer {
            background: #0A0C12;
            padding: 4rem 0 0;
            border-top: 2px solid transparent;
            border-image: linear-gradient(90deg, var(--primary), var(--primary-2)) 1;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1.2fr;
            gap: 2.5rem;
            padding-bottom: 2.5rem;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-strong);
            margin-bottom: 1rem;
        }

        .footer-brand-col p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 0;
            max-width: 400px;
        }

        .footer-col h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-strong);
            margin-bottom: 1.2rem;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.6rem;
        }

        .footer-col ul li a {
            color: var(--text-muted);
            font-size: 0.88rem;
            transition: color .25s ease, padding-left .25s ease;
        }

        .footer-col ul li a:hover {
            color: var(--primary);
            padding-left: 4px;
        }

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .footer-contact span {
            font-size: 0.88rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .footer-contact i {
            color: var(--primary);
            font-size: 0.9rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(42,50,69,0.6);
            padding: 1.2rem 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 0.5rem;
        }

        .footer-bottom span {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .footer-bottom a {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

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

        /* ===================== BACK TO TOP ===================== */
        .back-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(26,32,48,0.9);
            border: 1px solid var(--border);
            color: var(--text-body);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transition: opacity .3s ease, visibility .3s ease, background .3s ease, border-color .3s ease, color .3s ease;
        }

        .back-top.show {
            opacity: 1;
            visibility: visible;
        }

        .back-top:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }

        /* ===================== RESPONSIVE ===================== */
        @media (max-width: 1199.98px) {
            .nav-search .form-control {
                width: 130px;
            }
            .nav-search .form-control:focus {
                width: 160px;
            }
        }

        @media (max-width: 991.98px) {
            .ly-navbar .navbar-collapse {
                background: rgba(17,21,34,0.98);
                padding: 1rem;
                border-radius: var(--radius-md);
                border: 1px solid var(--border);
                margin-top: 0.8rem;
                box-shadow: 0 12px 32px rgba(0,0,0,0.5);
            }

            .ly-navbar .navbar-nav {
                gap: 0.15rem;
            }

            .nav-actions {
                margin-top: 0.8rem;
                width: 100%;
                flex-wrap: wrap;
            }

            .nav-search {
                width: 100%;
                order: 3;
            }

            .nav-search .form-control {
                width: 100% !important;
            }

            .nav-search .form-control:focus {
                width: 100% !important;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .category-hero {
                min-height: 480px;
                padding-top: 7rem;
            }
        }

        @media (max-width: 767.98px) {
            .section-padding {
                padding: 3.5rem 0;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .category-hero {
                min-height: auto;
                padding: 6.5rem 0 3rem;
                text-align: center;
            }

            .category-hero .hero-content {
                margin: 0 auto;
            }

            .category-hero .hero-desc {
                margin-left: auto;
                margin-right: auto;
                font-size: 0.95rem;
            }

            .hero-stats {
                justify-content: center;
            }

            .hero-stat {
                padding: 0.7rem 1rem;
                min-width: 110px;
            }

            .hero-stat .num {
                font-size: 1.4rem;
            }

            .cta-band {
                text-align: center;
                padding: 3.5rem 0;
            }

            .cta-buttons {
                justify-content: center;
            }

            .footer-bottom {
                justify-content: center;
                text-align: center;
            }
        }

        @media (max-width: 575.98px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }

            .category-hero h1 {
                font-size: 1.7rem;
            }

            .hero-stat {
                min-width: 48%;
            }
        }

/* roulang page: category2 */
:root {
  --primary: #FF4B2B;
  --primary-2: #9D28FF;
  --accent: #00E0C6;
  --gold: #FFB800;
  --bg-deep: #0A0C12;
  --bg-body: #111522;
  --bg-elevated: #1A2030;
  --bg-soft: #1E2535;
  --bg-light: #F5F7FB;
  --text-strong: #FFFFFF;
  --text-body: #C6CCD9;
  --text-muted: #8A93A8;
  --border: #2A3245;
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-card: 0 8px 30px rgba(0,0,0,.35);
  --shadow-hover: 0 12px 40px rgba(255,75,43,.18);
  --shadow-cta: 0 4px 20px rgba(255,75,43,.4);
  --grad: linear-gradient(135deg,#FF4B2B 0%,#9D28FF 100%);
  --grad-soft: linear-gradient(135deg,rgba(255,75,43,.15) 0%,rgba(157,40,255,.15) 100%);
  --transition: all .25s ease;
  --font-family: "PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-family);
  background:var(--bg-body);
  color:var(--text-body);
  line-height:1.8;
  font-size:.95rem;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--text-body);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--primary)}
a:focus-visible,.btn:focus-visible,.form-control:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;border-radius:4px;
}
button,input{font-family:inherit}
.container{max-width:1320px;padding-left:1.25rem;padding-right:1.25rem}

/* ===== 导航 ===== */
.ly-navbar{
  position:fixed;top:0;left:0;right:0;z-index:1050;
  background:transparent;
  min-height:72px;
  transition:var(--transition);
  backdrop-filter:blur(0);
}
.ly-navbar.scrolled{
  background:rgba(17,21,34,.92);
  box-shadow:0 1px 0 var(--border),0 8px 24px rgba(0,0,0,.5);
  min-height:58px;
  backdrop-filter:blur(12px);
}
.ly-navbar .container{display:flex;align-items:center}
.ly-navbar .navbar-brand{
  display:flex;align-items:center;gap:.6rem;color:var(--text-strong);font-weight:700;font-size:1.25rem;padding:0;
}
.ly-navbar .brand-icon{
  width:38px;height:38px;border-radius:10px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:1.1rem;
  box-shadow:0 4px 14px rgba(255,75,43,.35);
}
.ly-navbar .brand-text{letter-spacing:.02em}
.ly-navbar .navbar-nav{gap:.25rem;align-items:center}
.ly-navbar .nav-link{
  color:var(--text-body);font-weight:500;font-size:.95rem;
  padding:.55rem .95rem;border-radius:var(--radius-sm);position:relative;transition:var(--transition);
}
.ly-navbar .nav-link:hover{color:var(--text-strong);background:rgba(255,255,255,.04)}
.ly-navbar .nav-link.active{color:var(--text-strong)}
.ly-navbar .nav-link.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:0;
  width:24px;height:3px;border-radius:3px;background:var(--grad);
}
.ly-navbar .nav-actions{display:flex;align-items:center;gap:.5rem;margin-left:.5rem}
.ly-navbar .nav-search{
  position:relative;display:flex;align-items:center;
  background:var(--bg-elevated);border:1px solid var(--border);
  border-radius:50px;padding:0 .85rem;height:38px;width:170px;transition:var(--transition);
}
.ly-navbar .nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(255,75,43,.15);width:210px}
.ly-navbar .nav-search i{color:var(--text-muted);font-size:.9rem;margin-right:.5rem}
.ly-navbar .nav-search .form-control{
  background:transparent;border:none;outline:none;color:var(--text-strong);
  font-size:.85rem;padding:0;height:auto;box-shadow:none;
}
.ly-navbar .nav-search .form-control::placeholder{color:var(--text-muted)}
.ly-navbar .btn-login{
  color:var(--text-strong);font-weight:600;font-size:.9rem;padding:.5rem 1rem;border-radius:8px;transition:var(--transition);
}
.ly-navbar .btn-login:hover{background:rgba(255,255,255,.08);color:var(--text-strong)}
.ly-navbar .btn-register{
  background:var(--grad);color:#fff;font-weight:600;font-size:.9rem;padding:.5rem 1.2rem;border-radius:8px;
  box-shadow:var(--shadow-cta);transition:var(--transition);border:none;
}
.ly-navbar .btn-register:hover{transform:translateY(-2px);box-shadow:0 8px 26px rgba(255,75,43,.5);color:#fff}
.navbar-toggler{border:1px solid var(--border);color:var(--text-strong);border-radius:8px;padding:.35rem .55rem}
.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(255,75,43,.2)}
.navbar-toggler-icon{
  background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e") !important;
}

/* ===== 面包屑 ===== */
.breadcrumb-wrap{
  padding:86px 0 0;background:transparent;position:relative;
}
.breadcrumb{
  margin:0;background:transparent;font-size:.85rem;
}
.breadcrumb-item{color:var(--text-muted)}
.breadcrumb-item a{color:var(--text-muted)}
.breadcrumb-item a:hover{color:var(--primary)}
.breadcrumb-item.active{color:var(--text-strong);font-weight:600}
.breadcrumb-item+.breadcrumb-item::before{content:"/";color:var(--text-muted)}

/* ===== Hero ===== */
.category-hero{
  position:relative;padding:110px 0 80px;color:#fff;
  background:linear-gradient(90deg,rgba(10,12,18,.96) 0%,rgba(10,12,18,.8) 55%,rgba(10,12,18,.4) 100%),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  overflow:hidden;
}
.category-hero::before{
  content:"";position:absolute;top:-120px;right:-80px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,75,43,.28) 0%,transparent 65%);filter:blur(10px);
}
.category-hero::after{
  content:"";position:absolute;bottom:-160px;left:-60px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(157,40,255,.2) 0%,transparent 60%);filter:blur(12px);
}
.category-hero .container{position:relative;z-index:2}
.hero-content{max-width:720px}
.hero-content .hero-tag{
  display:inline-flex;align-items:center;gap:.4rem;
  background:rgba(255,184,0,.15);border:1px solid rgba(255,184,0,.35);color:var(--gold);
  font-size:.8rem;font-weight:600;padding:.3rem .9rem;border-radius:50px;margin-bottom:1.1rem;
}
.hero-content h1{
  font-size:clamp(2.4rem,5vw,3.6rem);font-weight:800;line-height:1.15;letter-spacing:-.02em;
  color:var(--text-strong);margin-bottom:1rem;
}
.hero-content .hero-desc{
  font-size:1.05rem;color:var(--text-body);line-height:1.8;margin-bottom:2rem;max-width:560px;
}
.hero-btns{display:flex;gap:.9rem;flex-wrap:wrap;margin-bottom:2.4rem}
.hero-btns .btn-primary-custom{
  display:inline-flex;align-items:center;gap:.5rem;
  background:var(--grad);color:#fff;font-weight:600;font-size:.95rem;
  padding:.7rem 1.6rem;border-radius:10px;border:none;box-shadow:var(--shadow-cta);transition:var(--transition);
}
.hero-btns .btn-primary-custom:hover{transform:translateY(-3px);box-shadow:0 8px 28px rgba(255,75,43,.5);color:#fff}
.hero-btns .btn-outline-custom{
  display:inline-flex;align-items:center;gap:.5rem;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.25);color:var(--text-strong);
  font-weight:500;font-size:.95rem;padding:.7rem 1.5rem;border-radius:10px;transition:var(--transition);
}
.hero-btns .btn-outline-custom:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.5);color:#fff}
.hero-stats{
  display:flex;gap:2.5rem;flex-wrap:wrap;padding-top:1.5rem;border-top:1px solid rgba(255,255,255,.12);
}
.hero-stat .stat-num{
  font-family:"DIN Alternate","Roboto Condensed",sans-serif;
  font-size:1.9rem;font-weight:700;color:var(--gold);line-height:1.2;
}
.hero-stat .stat-label{font-size:.82rem;color:var(--text-muted)}

/* ===== 通用板块 ===== */
.section{padding:72px 0}
.section-alt{background:var(--bg-deep)}
.section-tint{background:var(--bg-soft)}
.section-header{
  display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:2rem;gap:1rem;
}
.section-header h2{
  font-size:1.7rem;font-weight:700;color:var(--text-strong);margin:0;
  padding-left:.9rem;position:relative;line-height:1.35;
}
.section-header h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:4px;background:var(--grad);
}
.section-header .section-link{font-size:.85rem;color:var(--text-muted)}
.section-header .section-link:hover{color:var(--primary)}
.section-sub{font-size:.92rem;color:var(--text-muted);margin-top:-1rem;margin-bottom:2rem}

/* ===== 横滑卡片 ===== */
.live-scroll{
  overflow-x:auto;scroll-snap-type:x proximity;
  -webkit-overflow-scrolling:touch;scrollbar-width:thin;scrollbar-color:var(--primary) var(--bg-elevated);
  padding-bottom:.5rem;margin:0 -.5rem;
}
.live-scroll::-webkit-scrollbar{height:6px}
.live-scroll::-webkit-scrollbar-track{background:var(--bg-elevated);border-radius:10px}
.live-scroll::-webkit-scrollbar-thumb{background:var(--primary);border-radius:10px}
.live-track{display:flex;gap:1.4rem;padding:.6rem .5rem}
.live-card{
  flex:0 0 280px;background:var(--bg-elevated);border-radius:var(--radius-lg);
  border:1px solid var(--border);overflow:hidden;scroll-snap-align:start;
  box-shadow:var(--shadow-card);transition:var(--transition);position:relative;
}
.live-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,75,43,.4)}
.live-card .cover{
  position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-deep);
}
.live-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.live-card:hover .cover img{transform:scale(1.06)}
.live-card .cover::after{
  content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(10,12,18,.7),transparent 60%);
}
.live-badge{
  position:absolute;top:10px;left:10px;z-index:2;
  background:rgba(255,75,43,.9);color:#fff;font-size:.72rem;font-weight:600;
  padding:.18rem .6rem;border-radius:50px;display:inline-flex;align-items:center;gap:.3rem;
}
.live-badge i{font-size:.65rem}
.live-viewers{
  position:absolute;bottom:10px;right:10px;z-index:2;
  color:rgba(255,255,255,.9);font-size:.74rem;background:rgba(0,0,0,.5);
  padding:.15rem .6rem;border-radius:50px;backdrop-filter:blur(4px);
}
.live-card .card-body{padding:1rem 1.1rem 1.1rem}
.live-card .card-title{font-size:1rem;font-weight:600;color:var(--text-strong);margin:0 0 .25rem;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}
.live-card .card-text{font-size:.8rem;color:var(--text-muted);display:flex;align-items:center;gap:.5rem}
.live-card .card-text i{color:var(--accent)}

/* ===== 赛程列表 ===== */
.schedule-list{display:flex;flex-direction:column;gap:1rem}
.schedule-item{
  display:flex;align-items:center;gap:1.2rem;
  background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-md);
  padding:1rem 1.2rem;transition:var(--transition);
}
.schedule-item:hover{border-color:rgba(255,75,43,.4);transform:translateX(6px);box-shadow:var(--shadow-hover)}
.schedule-item .schedule-img{
  width:96px;height:64px;border-radius:10px;overflow:hidden;flex-shrink:0;background:var(--bg-deep);
}
.schedule-item .schedule-img img{width:100%;height:100%;object-fit:cover}
.schedule-item .schedule-info{flex:1;min-width:0}
.schedule-item .schedule-info .schedule-league{font-size:.74rem;color:var(--gold);font-weight:600}
.schedule-item .schedule-info h4{font-size:.96rem;color:var(--text-strong);font-weight:600;margin:.15rem 0;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}
.schedule-item .schedule-info .schedule-time{font-size:.78rem;color:var(--text-muted)}
.schedule-item .schedule-status{
  flex-shrink:0;font-size:.78rem;font-weight:600;
  background:var(--grad-soft);border:1px solid rgba(255,75,43,.3);color:var(--primary);
  padding:.25rem .8rem;border-radius:50px;
}

/* ===== 信息条 ===== */
.info-bar{
  display:flex;align-items:center;gap:.8rem;
  background:var(--grad-soft);border:1px solid rgba(157,40,255,.25);
  border-radius:var(--radius-md);padding:.9rem 1.2rem;margin-bottom:1.6rem;font-size:.88rem;color:var(--text-body);
}
.info-bar i{color:var(--primary-2);font-size:1.1rem}

/* ===== 步骤流程 ===== */
.steps-row{display:grid;grid-template-columns:repeat(3,1fr);gap:1.8rem}
.step-card{
  position:relative;background:var(--bg-elevated);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:2.2rem 1.6rem 1.8rem;transition:var(--transition);text-align:center;
}
.step-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:rgba(255,75,43,.35)}
.step-card .step-num{
  font-family:"DIN Alternate","Roboto Condensed",sans-serif;
  font-size:2.6rem;font-weight:700;line-height:1;color:rgba(255,255,255,.08);
  position:absolute;top:1rem;right:1.2rem;
}
.step-card .step-icon{
  width:62px;height:62px;border-radius:16px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:1.5rem;
  margin-bottom:1.1rem;box-shadow:0 6px 18px rgba(255,75,43,.3);
}
.step-card h3{font-size:1.1rem;color:var(--text-strong);font-weight:600;margin-bottom:.5rem}
.step-card p{font-size:.85rem;color:var(--text-muted);margin:0}

/* ===== FAQ手风琴 ===== */
.faq-accordion{display:flex;flex-direction:column;gap:.85rem}
.faq-accordion .accordion-item{
  background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;
}
.faq-accordion .accordion-item:first-of-type{border-radius:var(--radius-md)}
.faq-accordion .accordion-item:last-of-type{border-radius:var(--radius-md)}
.faq-accordion .accordion-header{margin:0}
.faq-accordion .accordion-button{
  background:var(--bg-elevated);color:var(--text-strong);font-weight:600;font-size:.95rem;
  padding:1rem 1.25rem;box-shadow:none;display:flex;align-items:center;gap:.8rem;border:none;
}
.faq-accordion .accordion-button::after{display:none}
.faq-accordion .accordion-button i.qa-icon{
  width:30px;height:30px;border-radius:8px;background:var(--grad);color:#fff;font-size:.82rem;
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
}
.faq-accordion .accordion-button .toggle-icon{
  margin-left:auto;font-size:.95rem;color:var(--text-muted);transition:transform .3s ease;display:inline-flex;
}
.faq-accordion .accordion-button:not(.collapsed) .toggle-icon{transform:rotate(45deg);color:var(--primary)}
.faq-accordion .accordion-button:not(.collapsed){background:var(--bg-elevated);color:var(--text-strong)}
.faq-accordion .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq-accordion .accordion-body{
  padding:.2rem 1.25rem 1.1rem 3.4rem;color:var(--text-body);font-size:.88rem;line-height:1.8;border-top:1px solid var(--border);
}

/* ===== CTA ===== */
.cta-section{
  position:relative;padding:64px 0;overflow:hidden;
  background:linear-gradient(120deg,rgba(255,75,43,.18),rgba(157,40,255,.12)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.cta-section::after{
  content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:90%;height:90%;background:radial-gradient(circle,rgba(255,75,43,.1) 0%,transparent 70%);z-index:0;
}
.cta-inner{
  position:relative;z-index:1;text-align:center;max-width:680px;margin:0 auto;
  background:rgba(10,12,18,.75);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.1);
  border-radius:22px;padding:2.8rem 2.5rem;
}
.cta-inner h2{font-size:1.8rem;font-weight:800;color:var(--text-strong);margin-bottom:.6rem}
.cta-inner p{color:var(--text-body);font-size:.95rem;margin-bottom:1.6rem}
.cta-btns{display:flex;gap:.9rem;justify-content:center;flex-wrap:wrap}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--bg-deep);border-top:2px solid transparent;
  border-image:linear-gradient(90deg,var(--primary),var(--primary-2),var(--accent)) 1;
  padding:60px 0 0;color:var(--text-body);font-size:.88rem;
}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2.5rem;padding-bottom:2.5rem}
.footer-brand-col p{margin-top:1rem;color:var(--text-muted);line-height:1.8;font-size:.85rem;max-width:360px}
.footer-logo{display:flex;align-items:center;gap:.6rem}
.footer-logo .brand-icon{
  width:36px;height:36px;border-radius:9px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:1rem;
}
.footer-logo span{color:var(--text-strong);font-weight:700;font-size:1.15rem}
.footer-col h5{color:var(--text-strong);font-size:.95rem;font-weight:600;margin-bottom:1rem}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col ul li{margin-bottom:.5rem}
.footer-col ul a{color:var(--text-muted);font-size:.85rem}
.footer-col ul a:hover{color:var(--primary)}
.footer-contact{display:flex;flex-direction:column;gap:.6rem}
.footer-contact span{display:flex;align-items:center;gap:.5rem;color:var(--text-muted);font-size:.85rem}
.footer-contact i{color:var(--accent)}
.footer-bottom{
  border-top:1px solid var(--border);padding:1.2rem 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:.8rem;
}
.footer-bottom span{color:var(--text-muted);font-size:.8rem}
.footer-bottom div{font-size:.8rem}
.footer-bottom a{color:var(--text-muted)}
.footer-bottom a:hover{color:var(--primary)}

/* ===== 返回顶部 ===== */
.back-top{
  position:fixed;right:24px;bottom:32px;width:46px;height:46px;border-radius:50%;
  background:rgba(26,32,48,.8);border:1px solid var(--border);color:var(--text-strong);
  display:flex;align-items:center;justify-content:center;font-size:1.1rem;
  cursor:pointer;z-index:1000;opacity:0;visibility:hidden;transition:var(--transition);
}
.back-top.show{opacity:1;visibility:visible}
.back-top:hover{background:var(--primary);border-color:var(--primary);transform:translateY(-3px)}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  .ly-navbar .nav-search{width:120px}
  .ly-navbar .nav-search:focus-within{width:160px}
}
@media (max-width:991.98px){
  .breadcrumb-wrap{padding-top:76px}
  .ly-navbar{background:var(--bg-body);min-height:60px}
  .ly-navbar .navbar-collapse{
    background:var(--bg-body);border:1px solid var(--border);border-radius:16px;
    padding:1.2rem;margin-top:.8rem;box-shadow:0 12px 32px rgba(0,0,0,.5);
  }
  .ly-navbar .navbar-nav{gap:.15rem;align-items:flex-start}
  .ly-navbar .nav-link.active::after{left:0;transform:none}
  .ly-navbar .nav-actions{flex-wrap:wrap;margin-top:.8rem;margin-left:0}
  .ly-navbar .nav-search{width:100%;margin-bottom:.5rem}
  .ly-navbar .nav-search:focus-within{width:100%}
  .ly-navbar .btn-login,.ly-navbar .btn-register{flex:1;text-align:center}
  .category-hero{padding:80px 0 60px}
  .category-hero .hero-content{max-width:100%}
  .hero-content h1{font-size:2.3rem}
  .steps-row{grid-template-columns:1fr;gap:1rem}
  .schedule-item{flex-wrap:wrap}
  .schedule-item .schedule-img{width:80px;height:54px}
  .footer-top{grid-template-columns:1fr 1fr;gap:2rem}
}
@media (max-width:767.98px){
  .section{padding:52px 0}
  .section-header h2{font-size:1.4rem}
  .category-hero{padding:70px 0 50px}
  .category-hero .hero-content{text-align:center}
  .category-hero .hero-desc{margin-left:auto;margin-right:auto}
  .hero-btns{justify-content:center}
  .hero-stats{justify-content:center;gap:1.5rem}
  .hero-stat .stat-num{font-size:1.5rem}
  .live-card{flex-basis:240px}
  .schedule-item{gap:.8rem;padding:.8rem .9rem}
  .schedule-item .schedule-img{width:70px;height:50px}
  .schedule-item .schedule-status{font-size:.7rem}
  .cta-inner{padding:2rem 1.4rem}
  .cta-inner h2{font-size:1.4rem}
  .footer-top{grid-template-columns:1fr;gap:1.8rem}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media (max-width:520px){
  .hero-btns{flex-direction:column;align-items:stretch}
  .hero-btns .btn-primary-custom,.hero-btns .btn-outline-custom{justify-content:center}
  .hero-stats{flex-wrap:wrap;gap:.8rem}
  .hero-stat{flex:0 0 calc(50% - .8rem);text-align:center}
  .section-header{flex-direction:column;align-items:flex-start;gap:.3rem}
  .schedule-item{flex-direction:column;align-items:flex-start}
  .schedule-item .schedule-img{width:100%;height:auto;aspect-ratio:16/9}
  .schedule-item .schedule-status{align-self:flex-start}
  .footer-bottom div{font-size:.75rem}
}

/* roulang page: category4 */
:root{
  --primary:#FF4B2B;
  --primary-2:#9D28FF;
  --accent:#00E0C6;
  --gold:#FFB800;
  --bg-deep:#0A0C12;
  --bg-body:#111522;
  --bg-elevated:#1A2030;
  --bg-light:#F5F7FB;
  --text-strong:#FFFFFF;
  --text-body:#C6CCD9;
  --text-muted:#8A93A8;
  --border:#2A3245;
  --gradient:linear-gradient(135deg,#FF4B2B 0%,#9D28FF 100%);
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-card:0 8px 30px rgba(0,0,0,0.35);
  --shadow-hover:0 12px 40px rgba(255,75,43,0.18);
  --shadow-cta:0 4px 20px rgba(255,75,43,0.4);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  background:var(--bg-body);
  color:var(--text-body);
  line-height:1.8;
  font-size:1rem;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:color .25s ease,background .25s ease,border-color .25s ease,box-shadow .25s ease,transform .25s ease}
button{font-family:inherit}
input,textarea{font-family:inherit}
.container{max-width:1320px}
@media(min-width:1400px){.container{max-width:1320px}}

.brand-icon{
  width:40px;height:40px;border-radius:12px;
  background:var(--gradient);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:1.2rem;flex-shrink:0;
  box-shadow:0 4px 14px rgba(255,75,43,.35);
}

/* ========== Navbar ========== */
.ly-navbar{
  position:fixed;top:0;left:0;right:0;z-index:1050;
  min-height:72px;
  background:rgba(10,12,18,.72);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid transparent;
  transition:background .35s ease,box-shadow .35s ease,min-height .35s ease;
}
.ly-navbar.scrolled{
  background:rgba(17,21,34,.94);
  border-bottom-color:var(--border);
  box-shadow:0 8px 24px rgba(0,0,0,.45);
  min-height:58px;
}
.ly-navbar.scrolled .navbar-brand .brand-icon{width:34px;height:34px;font-size:1rem}
.ly-navbar .navbar-brand{
  display:flex;align-items:center;gap:10px;
  padding:0;margin:0;
}
.ly-navbar .brand-text{
  font-size:1.35rem;font-weight:800;color:var(--text-strong);
  letter-spacing:-.01em;white-space:nowrap;
}
.ly-navbar .navbar-nav{gap:2px}
.ly-navbar .nav-link{
  font-size:.98rem;font-weight:500;
  color:var(--text-body);
  padding:.55rem 1.05rem !important;
  border-radius:10px;
  position:relative;
  white-space:nowrap;
}
.ly-navbar .nav-link::after{
  content:"";position:absolute;left:50%;bottom:2px;
  width:0;height:3px;
  background:var(--gradient);
  border-radius:3px;
  transform:translateX(-50%);
  transition:width .3s ease;
}
.ly-navbar .nav-link:hover,.ly-navbar .nav-link.active{color:var(--text-strong)}
.ly-navbar .nav-link.active::after{width:60%}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:var(--bg-elevated);
  border:1px solid var(--border);
  border-radius:30px;
  padding:0 14px;
  height:38px;
  width:210px;
  transition:border-color .3s ease,width .3s ease,box-shadow .3s ease;
}
.nav-search i{color:var(--text-muted);font-size:.9rem}
.nav-search input{
  background:transparent;border:none;outline:none;
  color:var(--text-strong);font-size:.875rem;
  width:100%;height:100%;
}
.nav-search input::placeholder{color:var(--text-muted)}
.nav-search:focus-within{
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(255,75,43,.15);
  width:230px;
}
.btn-login{
  font-weight:600;font-size:.92rem;color:var(--text-strong);
  padding:.5rem 1.1rem;border-radius:8px;
  border:1px solid var(--border);
  background:transparent;
  transition:all .3s ease;
}
.btn-login:hover{border-color:var(--primary);color:var(--primary);background:rgba(255,75,43,.08)}
.btn-register{
  font-weight:700;font-size:.92rem;color:#fff;
  padding:.55rem 1.3rem;border-radius:8px;
  background:var(--gradient);
  box-shadow:0 4px 16px rgba(255,75,43,.35);
  border:none;
  white-space:nowrap;
  transition:all .3s ease;
}
.btn-register:hover{transform:translateY(-2px);box-shadow:0 6px 22px rgba(255,75,43,.5);color:#fff}
.navbar-toggler{
  border:1px solid var(--border);
  background:var(--bg-elevated);
  border-radius:8px;
  padding:.4rem .6rem;
}
.navbar-toggler:focus{box-shadow:0 0 0 3px rgba(255,75,43,.2)}
.navbar-toggler .navbar-toggler-icon{
  background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23C6CCD9' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
@media(max-width:991.98px){
  .ly-navbar .navbar-collapse{
    background:var(--bg-body);
    border:1px solid var(--border);
    border-radius:var(--radius-md);
    padding:18px;
    margin-top:10px;
    box-shadow:0 12px 36px rgba(0,0,0,.5);
  }
  .ly-navbar .navbar-nav{gap:4px}
  .ly-navbar .nav-link{padding:.75rem 1rem !important}
  .nav-actions{flex-direction:column;align-items:stretch;margin-top:14px;gap:10px}
  .nav-search{width:100%}
  .nav-search:focus-within{width:100%}
  .btn-login,.btn-register{text-align:center}
}

/* ========== Breadcrumb ========== */
.breadcrumb-wrap{
  padding-top:110px;
  background:transparent;
}
.breadcrumb-nav{
  display:flex;align-items:center;gap:8px;
  font-size:.875rem;color:var(--text-muted);
  flex-wrap:wrap;
}
.breadcrumb-nav a{color:var(--text-muted)}
.breadcrumb-nav a:hover{color:var(--primary)}
.breadcrumb-nav .sep{color:var(--border)}
.breadcrumb-nav .current{color:var(--text-strong);font-weight:600}

/* ========== Hero ========== */
.activity-hero{
  position:relative;
  min-height:560px;
  background:linear-gradient(115deg,rgba(10,12,18,.96) 0%,rgba(10,12,18,.78) 55%,rgba(10,12,18,.42) 100%),url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  display:flex;align-items:center;
  padding:120px 0 80px;
  overflow:hidden;
}
.activity-hero::before{
  content:"";position:absolute;top:-80px;right:-80px;
  width:360px;height:360px;
  background:radial-gradient(circle,rgba(157,40,255,.22) 0%,transparent 70%);
  pointer-events:none;
}
.activity-hero::after{
  content:"";position:absolute;bottom:-40px;left:20%;
  width:260px;height:260px;
  background:radial-gradient(circle,rgba(255,75,43,.15) 0%,transparent 70%);
  pointer-events:none;
}
.hero-content{position:relative;z-index:2;text-align:center;max-width:820px;margin:0 auto}
.hero-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(255,184,0,.12);
  border:1px solid rgba(255,184,0,.35);
  color:var(--gold);
  font-size:.8rem;font-weight:700;
  padding:.35rem .95rem;
  border-radius:30px;
  letter-spacing:.03em;
  margin-bottom:20px;
}
.hero-badge i{font-size:.85rem}
.activity-hero h1{
  font-size:clamp(2rem,4.6vw,3.6rem);
  font-weight:800;
  color:var(--text-strong);
  line-height:1.18;
  letter-spacing:-.02em;
  margin-bottom:18px;
}
.activity-hero h1 span{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.activity-hero .hero-sub{
  font-size:1.06rem;
  color:var(--text-body);
  max-width:620px;
  margin:0 auto 32px;
  line-height:1.75;
}
.hero-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn-main{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--gradient);
  color:#fff;font-weight:700;font-size:1rem;
  padding:.8rem 2.2rem;
  border-radius:10px;
  box-shadow:var(--shadow-cta);
  transition:all .3s ease;
  border:none;
}
.btn-main:hover{transform:translateY(-3px);box-shadow:0 8px 28px rgba(255,75,43,.5);color:#fff}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.06);
  color:var(--text-strong);font-weight:600;font-size:1rem;
  padding:.8rem 2rem;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.25);
  backdrop-filter:blur(8px);
  transition:all .3s ease;
}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);background:rgba(0,224,198,.1)}
.hero-stats{
  display:flex;justify-content:center;gap:0;
  margin-top:48px;
  border-top:1px solid rgba(255,255,255,.1);
  padding-top:32px;
}
.hero-stats .stat-item{
  text-align:center;
  padding:0 36px;
  position:relative;
}
.hero-stats .stat-item:not(:last-child)::after{
  content:"";position:absolute;right:0;top:50%;
  transform:translateY(-50%);
  width:1px;height:44px;
  background:rgba(255,255,255,.12);
}
.hero-stats .stat-num{
  display:block;
  font-family:"DIN Alternate","Roboto Condensed","Bebas Neue",sans-serif;
  font-size:2rem;font-weight:800;
  color:var(--gold);
  line-height:1.2;
}
.hero-stats .stat-label{
  font-size:.8rem;color:var(--text-muted);
  letter-spacing:.02em;
}
@media(max-width:767.98px){
  .activity-hero{min-height:520px;padding:110px 0 60px}
  .hero-stats{gap:8px;flex-wrap:wrap;padding-top:24px}
  .hero-stats .stat-item{padding:0 18px}
  .hero-stats .stat-item:not(:last-child)::after{display:none}
  .hero-stats .stat-num{font-size:1.5rem}
  .hero-btns .btn-main,.hero-btns .btn-ghost{width:100%;justify-content:center}
}

/* ========== Section base ========== */
.section-block{padding:72px 0}
.section-head{
  margin-bottom:44px;
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;flex-wrap:wrap;
}
.section-head .sec-title{
  font-size:1.75rem;font-weight:800;
  color:var(--text-strong);
  padding-left:16px;
  position:relative;
  line-height:1.3;
  letter-spacing:-.01em;
  margin-bottom:0;
}
.section-head .sec-title::before{
  content:"";position:absolute;left:0;top:50%;
  transform:translateY(-50%);
  width:5px;height:26px;
  border-radius:4px;
  background:var(--gradient);
}
.section-head .sec-sub{
  color:var(--text-muted);
  font-size:.95rem;
  margin-top:6px;
  margin-bottom:0;
}
.link-all{
  color:var(--text-muted);font-size:.9rem;font-weight:600;
  display:inline-flex;align-items:center;gap:6px;
  white-space:nowrap;
}
.link-all:hover{color:var(--primary)}
@media(max-width:575.98px){
  .section-block{padding:52px 0}
  .section-head .sec-title{font-size:1.4rem}
}

/* ========== Benefit strip ========== */
.benefit-strip{
  background:var(--bg-elevated);
  border-bottom:1px solid var(--border);
  padding:26px 0;
}
.benefit-strip .row{row-gap:20px}
.benefit-item{
  display:flex;align-items:center;gap:14px;
  padding:12px 10px;
  border-radius:var(--radius-md);
  transition:background .3s ease;
}
.benefit-item:hover{background:rgba(255,255,255,.04)}
.benefit-item .b-icon{
  width:48px;height:48px;
  border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.3rem;color:#fff;
  background:var(--gradient);
  flex-shrink:0;
  box-shadow:0 4px 12px rgba(255,75,43,.3);
}
.benefit-item .b-icon.alt{
  background:linear-gradient(135deg,#00E0C6,#0099A8);
  box-shadow:0 4px 12px rgba(0,224,198,.3);
}
.benefit-item .b-title{
  font-size:1rem;font-weight:700;color:var(--text-strong);
  line-height:1.3;
}
.benefit-item .b-desc{
  font-size:.82rem;color:var(--text-muted);
  line-height:1.5;
}

/* ========== Activity cards ========== */
.activity-list .row{row-gap:30px}
.activity-card{
  background:var(--bg-elevated);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  height:100%;
  transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.activity-card:hover{
  transform:translateY(-5px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(255,75,43,.35);
}
.activity-card .ac-img{
  aspect-ratio:16/9;
  overflow:hidden;
  position:relative;
}
.activity-card .ac-img img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.activity-card:hover .ac-img img{transform:scale(1.06)}
.activity-card .ac-img::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 50%,rgba(10,12,18,.55));
}
.activity-card .ac-tag{
  position:absolute;top:16px;left:16px;z-index:3;
  display:inline-flex;align-items:center;gap:5px;
  background:rgba(10,12,18,.8);
  backdrop-filter:blur(6px);
  color:var(--gold);
  font-size:.75rem;font-weight:700;
  padding:.3rem .8rem;
  border-radius:30px;
  border:1px solid rgba(255,184,0,.3);
}
.activity-card .ac-body{padding:24px;display:flex;flex-direction:column;flex:1}
.activity-card .ac-body h3{
  font-size:1.2rem;font-weight:800;color:var(--text-strong);
  margin-bottom:10px;
}
.activity-card .ac-body p{
  font-size:.9rem;color:var(--text-muted);
  line-height:1.7;
  flex:1;
  margin-bottom:18px;
}
.activity-card .ac-meta{
  display:flex;align-items:center;gap:16px;
  font-size:.8rem;color:var(--text-muted);
  margin-bottom:18px;
}
.activity-card .ac-meta i{color:var(--accent)}
.btn-card{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  font-weight:700;font-size:.9rem;
  color:var(--text-strong);
  background:var(--bg-body);
  border:1px solid var(--border);
  border-radius:10px;
  padding:.7rem 1.2rem;
  transition:all .3s ease;
}
.btn-card:hover{
  background:var(--gradient);
  border-color:transparent;
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 6px 18px rgba(255,75,43,.35);
}

/* ========== Steps ========== */
.steps-section{
  background:var(--bg-deep);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.steps-wrap{display:flex;gap:0;flex-wrap:wrap}
.step-item{
  flex:1 1 230px;
  padding:24px;
  text-align:center;
  position:relative;
}
.step-item:not(:last-child)::after{
  content:"";position:absolute;top:38px;right:-2px;
  width:14px;height:2px;
  background:var(--border);
}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:58px;height:58px;
  border-radius:50%;
  background:var(--gradient);
  color:#fff;font-size:1.3rem;font-weight:800;
  box-shadow:0 6px 20px rgba(255,75,43,.35);
  margin-bottom:16px;
}
.step-item:nth-child(2) .step-num{background:linear-gradient(135deg,#9D28FF,#FF4B2B);box-shadow:0 6px 20px rgba(157,40,255,.35)}
.step-item:nth-child(3) .step-num{background:linear-gradient(135deg,#FFB800,#FF4B2B);box-shadow:0 6px 20px rgba(255,184,0,.35)}
.step-item:nth-child(4) .step-num{background:linear-gradient(135deg,#00E0C6,#007A6E);box-shadow:0 6px 20px rgba(0,224,198,.35)}
.step-item h4{font-size:1.05rem;font-weight:800;color:var(--text-strong);margin-bottom:8px}
.step-item p{font-size:.85rem;color:var(--text-muted);line-height:1.6;margin-bottom:0}
@media(max-width:991.98px){
  .step-item{flex:1 1 45%}
  .step-item:nth-child(2)::after{display:none}
}
@media(max-width:575.98px){
  .step-item{flex:1 1 100%}
  .step-item::after{display:none !important}
}

/* ========== Rights / Guarantee ========== */
.rights-section{}
.rights-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.rights-card{
  background:var(--bg-elevated);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:28px;
  display:flex;gap:16px;
  transition:border-color .3s ease,transform .3s ease,box-shadow .3s ease;
}
.rights-card:hover{
  border-color:rgba(0,224,198,.4);
  transform:translateY(-3px);
  box-shadow:0 10px 32px rgba(0,0,0,.3);
}
.rights-card .r-icon{
  width:52px;height:52px;
  border-radius:14px;
  background:linear-gradient(135deg,rgba(0,224,198,.18),rgba(0,224,198,.06));
  border:1px solid rgba(0,224,198,.3);
  display:flex;align-items:center;justify-content:center;
  color:var(--accent);
  font-size:1.4rem;
  flex-shrink:0;
}
.rights-card h4{font-size:1.05rem;font-weight:800;color:var(--text-strong);margin-bottom:6px}
.rights-card p{font-size:.87rem;color:var(--text-muted);line-height:1.65;margin-bottom:0}
@media(max-width:767.98px){
  .rights-grid{grid-template-columns:1fr;gap:16px}
}

/* ========== FAQ ========== */
.faq-section{
  background:var(--bg-deep);
  border-top:1px solid var(--border);
}
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{
  background:var(--bg-elevated);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  margin-bottom:16px;
  overflow:hidden;
  transition:border-color .3s ease,box-shadow .3s ease;
}
.faq-item:hover{border-color:rgba(255,75,43,.3)}
.faq-item .faq-q{
  display:flex;align-items:center;gap:14px;
  padding:18px 22px;
  cursor:pointer;
  min-height:58px;
}
.faq-item .faq-q .q-icon{
  width:32px;height:32px;
  border-radius:9px;
  background:var(--gradient);
  color:#fff;font-size:.75rem;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.faq-item .faq-q .q-text{
  flex:1;font-size:1rem;font-weight:700;color:var(--text-strong);
  line-height:1.4;
}
.faq-item .faq-q .q-arrow{
  color:var(--text-muted);
  transition:transform .3s ease;
  font-size:1.1rem;
  flex-shrink:0;
}
.faq-item.open .faq-q .q-arrow{transform:rotate(45deg);color:var(--primary)}
.faq-item .faq-a{
  display:none;
  padding:0 22px 22px 68px;
  font-size:.9rem;color:var(--text-muted);
  line-height:1.8;
  border-top:1px solid transparent;
}
.faq-item.open .faq-a{
  display:block;
  border-top-color:var(--border);
  padding-top:16px;
}
@media(max-width:575.98px){
  .faq-item .faq-q{padding:16px}
  .faq-item .faq-a{padding:0 16px 18px 50px}
}

/* ========== CTA ========== */
.cta-section{
  position:relative;
  padding:72px 0;
  overflow:hidden;
  background:var(--gradient);
}
.cta-section::before{
  content:"";position:absolute;top:-60px;right:-40px;
  width:300px;height:300px;
  background:radial-gradient(circle,rgba(255,255,255,.16) 0%,transparent 70%);
}
.cta-section::after{
  content:"";position:absolute;bottom:-80px;left:10%;
  width:240px;height:240px;
  background:radial-gradient(circle,rgba(255,255,255,.1) 0%,transparent 70%);
}
.cta-box{position:relative;z-index:2;text-align:center;max-width:680px;margin:0 auto}
.cta-box h2{
  font-size:clamp(1.6rem,3.4vw,2.4rem);
  font-weight:800;color:#fff;
  line-height:1.3;
  margin-bottom:12px;
}
.cta-box p{
  color:rgba(255,255,255,.9);
  font-size:1rem;
  margin-bottom:30px;
}
.cta-btn-group{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-btn-white{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;color:#FF4B2B;
  font-weight:800;font-size:1rem;
  padding:.8rem 2.4rem;
  border-radius:10px;
  border:none;
  box-shadow:0 6px 20px rgba(0,0,0,.2);
  transition:all .3s ease;
}
.cta-btn-white:hover{transform:translateY(-3px);box-shadow:0 10px 28px rgba(0,0,0,.3);color:#FF4B2B}
.cta-btn-outline{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.1);
  border:1.5px solid rgba(255,255,255,.6);
  color:#fff;font-weight:700;font-size:1rem;
  padding:.75rem 2rem;
  border-radius:10px;
  backdrop-filter:blur(4px);
  transition:all .3s ease;
}
.cta-btn-outline:hover{background:rgba(255,255,255,.2);color:#fff;transform:translateY(-2px)}
@media(max-width:575.98px){
  .cta-section{padding:52px 0}
  .cta-btn-group .cta-btn-white,.cta-btn-group .cta-btn-outline{width:100%;justify-content:center}
}

/* ========== Footer ========== */
.site-footer{
  background:var(--bg-deep);
  border-top:2px solid transparent;
  border-image:linear-gradient(90deg,#FF4B2B,#9D28FF) 1;
}
.site-footer .footer-top{
  display:flex;
  gap:48px;
  padding:56px 0 40px;
  flex-wrap:wrap;
}
.footer-brand-col{flex:1 1 320px;max-width:420px}
.footer-logo{
  display:flex;align-items:center;gap:10px;
  font-size:1.4rem;font-weight:800;color:var(--text-strong);
  margin-bottom:16px;
}
.footer-brand-col p{
  font-size:.88rem;color:var(--text-muted);
  line-height:1.8;
  margin-bottom:0;
}
.footer-col{flex:1 1 180px}
.footer-col h5{
  font-size:1rem;font-weight:800;color:var(--text-strong);
  margin-bottom:18px;
  letter-spacing:.02em;
}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{
  color:var(--text-muted);
  font-size:.88rem;
  transition:color .25s ease,padding-left .25s ease;
}
.footer-col ul a:hover{color:var(--primary);padding-left:4px}
.footer-contact{display:flex;flex-direction:column;gap:12px}
.footer-contact span{
  display:flex;align-items:center;gap:10px;
  color:var(--text-muted);
  font-size:.86rem;
}
.footer-contact i{color:var(--accent);font-size:1rem}
.footer-bottom{
  border-top:1px solid var(--border);
  padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;
  gap:14px;flex-wrap:wrap;
  font-size:.82rem;color:var(--text-muted);
}
.footer-bottom a{color:var(--text-muted)}
.footer-bottom a:hover{color:var(--primary)}
@media(max-width:767.98px){
  .site-footer .footer-top{flex-direction:column;gap:32px;padding:40px 0 24px}
  .footer-brand-col{max-width:100%}
  .footer-bottom{flex-direction:column;justify-content:center;text-align:center}
}

/* ========== Back to top ========== */
.back-top{
  position:fixed;right:24px;bottom:50px;z-index:999;
  width:44px;height:44px;
  border-radius:50%;
  background:rgba(26,32,48,.9);
  border:1px solid var(--border);
  color:var(--text-body);
  display:flex;align-items:center;justify-content:center;
  font-size:1.1rem;
  opacity:0;visibility:hidden;
  transform:translateY(12px);
  transition:all .35s ease;
  cursor:pointer;
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.back-top:hover{
  color:#fff;
  border-color:var(--primary);
  background:var(--primary);
  box-shadow:0 6px 20px rgba(255,75,43,.4);
}