/* roulang page: index */
/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif; background: #F7F4F0; color: #2A2E37; line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button, input { font-family: inherit; font-size: inherit; border: none; background: none; cursor: pointer; }
ul, ol { list-style: none; }
:focus-visible { outline: 3px solid rgba(255,138,0,0.4); outline-offset: 2px; border-radius: 4px; }

/* ===== Design Variables ===== */
:root {
  --primary: #F43F33;
  --primary-2: #FF8A00;
  --gradient: linear-gradient(135deg, #F43F33 0%, #FF8A00 100%);
  --dark: #172033;
  --dark-2: #1F2937;
  --accent: #00B894;
  --bg: #F7F4F0;
  --card-bg: #FFFFFF;
  --border: rgba(23,32,51,0.08);
  --radius: 16px;
  --radius-lg: 20px;
  --radius-sm: 12px;
  --shadow-sm: 0 2px 8px rgba(23,32,51,0.04);
  --shadow-hover: 0 8px 30px rgba(244,63,51,0.10);
  --transition: 0.25s cubic-bezier(0.2,0.8,0.2,1);
  --font-num: "DIN Alternate", "Bebas Neue", "Arial Narrow", sans-serif;
  --container: 1200px;
  --header-top-h: 72px;
  --nav-h: 50px;
}

/* ===== Container ===== */
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ===== Buttons ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: var(--radius-sm); padding: 14px 28px; font-size: 15px; font-weight: 600; letter-spacing: 0.5px; transition: all var(--transition); border: 1px solid transparent; line-height: 1.4; white-space: nowrap; }
.btn-primary { background: var(--gradient); color: #fff; box-shadow: 0 4px 16px rgba(244,63,51,0.25); }
.btn-primary:hover { filter: brightness(1.1); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(244,63,51,0.3); }
.btn-primary:active { transform: scale(0.97); }
.btn-outline { background: transparent; border-color: var(--dark); color: var(--dark); }
.btn-outline:hover { background: var(--dark); color: #fff; }
.btn-outline-light { background: transparent; border-color: rgba(255,255,255,0.7); color: #fff; }
.btn-outline-light:hover { background: rgba(255,255,255,0.12); border-color: #fff; }
.btn-sm { padding: 9px 18px; font-size: 14px; border-radius: 10px; }
.btn-lg { padding: 16px 36px; font-size: 16px; border-radius: 14px; }
.btn-block { width: 100%; }

/* ===== Badges ===== */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 4px 12px; border-radius: 999px; font-size: 12px; font-weight: 500; letter-spacing: 0.3px; }
.badge-live { background: rgba(244,63,51,0.12); color: #F43F33; }
.badge-live::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: #F43F33; animation: pulse 1.5s infinite; }
.badge-upcoming { background: rgba(255,138,0,0.12); color: #D97706; }
.badge-upcoming::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: #FF8A00; }
.badge-ended { background: rgba(0,184,148,0.12); color: #00A884; }
.badge-ended::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: #00B894; }
.badge-dark { background: var(--dark); color: #fff; }
.badge-data { background: rgba(244,63,51,0.08); color: #E0352A; font-weight: 600; }
.badge-data .num { font-family: var(--font-num); font-size: 15px; font-weight: 700; }
.badge-tag { background: #F0EDE8; color: #6B7280; font-size: 12px; padding: 3px 10px; transition: all var(--transition); }
.badge-tag:hover { background: rgba(244,63,51,0.1); color: #E0352A; }

@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }

/* ===== Header ===== */
.site-header { position: sticky; top: 0; z-index: 1000; box-shadow: 0 2px 12px rgba(23,32,51,0.08); }
.header-top { background: #fff; height: var(--header-top-h); display: flex; align-items: center; border-bottom: 1px solid rgba(23,32,51,0.05); }
.header-top .container { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-icon { width: 42px; height: 42px; border-radius: 12px; background: var(--gradient); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 20px; font-weight: 800; box-shadow: 0 4px 12px rgba(244,63,51,0.3); }
.brand-text { font-size: 20px; font-weight: 800; color: var(--dark); letter-spacing: -0.5px; }
.brand-text em { font-style: normal; font-weight: 400; color: #8A8F98; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.icon-btn { width: 38px; height: 38px; border-radius: 10px; display: flex; align-items: center; justify-content: center; background: #F7F4F0; color: var(--dark); transition: all var(--transition); }
.icon-btn:hover { background: rgba(244,63,51,0.1); color: #E0352A; }
.icon-btn svg { width: 18px; height: 18px; }

.header-nav { background: var(--dark); height: var(--nav-h); }
.header-nav .container { display: flex; align-items: center; height: 100%; position: relative; }
.nav-list { display: flex; align-items: center; height: 100%; gap: 4px; }
.nav-list li { height: 100%; }
.nav-list a { display: flex; align-items: center; padding: 0 20px; height: 100%; color: rgba(255,255,255,0.85); font-size: 15px; font-weight: 500; position: relative; transition: all var(--transition); letter-spacing: 0.3px; }
.nav-list a:hover { background: rgba(255,255,255,0.08); color: #fff; }
.nav-list a.active { color: #fff; font-weight: 600; }
.nav-list a.active::after { content: ""; position: absolute; bottom: 0; left: 16px; right: 16px; height: 3px; border-radius: 3px 3px 0 0; background: var(--gradient); }
.menu-toggle { display: none; width: 38px; height: 38px; border-radius: 10px; background: rgba(255,255,255,0.1); color: #fff; align-items: center; justify-content: center; margin-left: auto; }
.menu-toggle svg { width: 20px; height: 20px; }

/* Mobile menu */
.mobile-menu { display: none; background: var(--dark); padding: 8px 0 16px; border-top: 1px solid rgba(255,255,255,0.06); }
.mobile-menu a { display: block; padding: 12px 24px; color: rgba(255,255,255,0.9); font-size: 15px; font-weight: 500; border-left: 3px solid transparent; transition: all var(--transition); }
.mobile-menu a:hover, .mobile-menu a.active { background: rgba(255,255,255,0.06); color: #fff; border-left-color: var(--primary-2); }
.mobile-menu.open { display: block; }

/* ===== Hero ===== */
.hero { position: relative; background: linear-gradient(130deg, #172033 0%, #4a1d24 45%, #d43420 100%); padding: 80px 0 90px; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; background-image: repeating-linear-gradient(0deg, transparent, transparent 4px, rgba(255,255,255,0.04) 4px, rgba(255,255,255,0.04) 8px), repeating-linear-gradient(90deg, transparent, transparent 4px, rgba(255,255,255,0.04) 4px, rgba(255,255,255,0.04) 8px); pointer-events: none; }
.hero::after { content: ""; position: absolute; width: 500px; height: 500px; border-radius: 50%; background: rgba(255,138,0,0.15); filter: blur(80px); top: -120px; right: -100px; pointer-events: none; }
.hero .container { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 480px; gap: 56px; align-items: center; }
.hero-content { color: #fff; }
.hero-badge-top { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.15); padding: 5px 14px; border-radius: 999px; font-size: 13px; color: rgba(255,255,255,0.9); margin-bottom: 22px; backdrop-filter: blur(6px); }
.hero-badge-top .dot { width: 7px; height: 7px; border-radius: 50%; background: #FF8A00; animation: pulse 1.2s infinite; }
.hero h1 { font-size: 44px; font-weight: 800; line-height: 1.25; letter-spacing: -1px; margin-bottom: 18px; }
.hero-sub { font-size: 17px; color: rgba(255,255,255,0.75); line-height: 1.8; max-width: 460px; margin-bottom: 36px; }
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 28px; margin-top: 42px; padding-top: 26px; border-top: 1px solid rgba(255,255,255,0.12); }
.hero-stat .val { font-family: var(--font-num); font-size: 28px; font-weight: 700; color: #fff; }
.hero-stat .lbl { font-size: 13px; color: rgba(255,255,255,0.6); margin-top: 2px; }

.hero-card { position: relative; border-radius: 24px; overflow: hidden; box-shadow: 0 24px 60px rgba(0,0,0,0.35); border: 1px solid rgba(255,255,255,0.15); }
.hero-card img { width: 100%; height: 320px; object-fit: cover; }
.hero-card .badge { position: absolute; top: 16px; left: 16px; font-size: 13px; padding: 6px 14px; }
.countdown-wrap { position: absolute; bottom: 16px; right: 16px; left: 16px; display: flex; align-items: center; gap: 8px; background: rgba(23,32,51,0.6); backdrop-filter: blur(12px); border-radius: 14px; padding: 12px 16px; border: 1px solid rgba(255,255,255,0.1); }
.countdown-item { flex: 1; text-align: center; }
.countdown-num { font-family: var(--font-num); font-size: 30px; font-weight: 700; color: #fff; line-height: 1.1; display: block; min-width: 40px; }
.countdown-unit { font-size: 12px; color: rgba(255,255,255,0.65); display: block; margin-top: 2px; }
.countdown-sep { color: rgba(255,255,255,0.3); font-size: 20px; font-weight: 300; }
.countdown-label { position: absolute; top: -12px; right: 16px; background: var(--gradient); color: #fff; font-size: 12px; font-weight: 600; padding: 3px 12px; border-radius: 999px; }

/* ===== Section ===== */
.section { padding: 96px 0; }
.section-alt { background: #fff; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 40px; gap: 24px; }
.section-title-wrap { display: flex; align-items: center; gap: 16px; }
.section-num { font-family: var(--font-num); font-size: 18px; font-weight: 700; color: var(--primary); letter-spacing: 1px; }
.section-title { font-size: 32px; font-weight: 800; color: var(--dark); letter-spacing: -0.5px; line-height: 1.3; position: relative; padding-left: 16px; }
.section-title::before { content: ""; position: absolute; left: 0; top: 6px; bottom: 6px; width: 4px; border-radius: 4px; background: var(--gradient); }
.section-desc { color: #8A8F98; font-size: 15px; max-width: 480px; line-height: 1.6; }
.section-link { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 500; color: #E0352A; transition: all var(--transition); }
.section-link:hover { gap: 10px; }
.section-link svg { width: 16px; height: 16px; }

/* ===== Highlight Cards ===== */
.highlight-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.highlight-card { background: #fff; border-radius: var(--radius); border: 1px solid var(--border); overflow: hidden; box-shadow: var(--shadow-sm); transition: all var(--transition); display: flex; flex-direction: column; }
.highlight-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(244,63,51,0.25); }
.highlight-card .thumb { position: relative; aspect-ratio: 16/9; overflow: hidden; }
.highlight-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.highlight-card:hover .thumb img { transform: scale(1.04); }
.highlight-card .thumb .badge { position: absolute; top: 12px; left: 12px; }
.highlight-card .card-body { padding: 18px 18px 16px; display: flex; flex-direction: column; flex: 1; }
.highlight-card .card-meta { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.highlight-card .card-meta .badge { padding: 2px 8px; font-size: 11px; }
.highlight-card .meta-time { font-size: 12px; color: #8A8F98; }
.highlight-card .card-title { font-size: 17px; font-weight: 600; color: var(--dark); line-height: 1.4; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; min-height: 48px; }
.highlight-card .card-desc { font-size: 14px; color: #4A4F58; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 14px; flex: 1; }
.highlight-card .card-footer { display: flex; align-items: center; justify-content: space-between; padding-top: 10px; border-top: 1px solid rgba(23,32,51,0.05); }
.highlight-card .card-footer .badge-data { font-size: 12px; }
.highlight-card .card-link { font-size: 13px; font-weight: 500; color: #E0352A; display: inline-flex; align-items: center; gap: 3px; transition: all var(--transition); }
.highlight-card .card-link:hover { gap: 6px; }
.highlight-card .card-link svg { width: 14px; height: 14px; }

/* ===== Subscribe ===== */
.subscribe-section { background: linear-gradient(135deg, rgba(244,63,51,0.04) 0%, rgba(255,138,0,0.06) 100%); border-top: 1px solid rgba(244,63,51,0.08); border-bottom: 1px solid rgba(244,63,51,0.08); }
.subscribe-box { max-width: 720px; margin: 0 auto; text-align: center; position: relative; padding: 72px 40px; background: #fff; border-radius: 24px; box-shadow: 0 8px 40px rgba(244,63,51,0.06); border: 1px solid rgba(244,63,51,0.1); }
.subscribe-box .icon-ring { width: 56px; height: 56px; margin: 0 auto 20px; border-radius: 50%; background: linear-gradient(135deg, rgba(244,63,51,0.1), rgba(255,138,0,0.1)); display: flex; align-items: center; justify-content: center; color: #E0352A; }
.subscribe-box .icon-ring svg { width: 24px; height: 24px; }
.subscribe-box h2 { font-size: 28px; font-weight: 800; color: var(--dark); margin-bottom: 8px; }
.subscribe-box p { color: #8A8F98; font-size: 15px; margin-bottom: 28px; }
.subscribe-form { display: flex; gap: 12px; max-width: 480px; margin: 0 auto; }
.subscribe-form input { flex: 1; height: 48px; border: 1px solid #D1D5DB; border-radius: 12px; padding: 0 16px; font-size: 15px; transition: all var(--transition); background: #F9FAFB; }
.subscribe-form input:focus { border-color: var(--primary-2); outline: none; box-shadow: 0 0 0 3px rgba(255,138,0,0.15); background: #fff; }
.subscribe-form input::placeholder { color: #A0A5AD; }
.subscribe-form .btn { height: 48px; padding: 0 24px; }
.subscribe-tip { font-size: 13px; color: #A0A5AD; margin-top: 16px; display: flex; align-items: center; justify-content: center; gap: 6px; }
.subscribe-tip svg { width: 14px; height: 14px; }
.form-success { background: rgba(0,184,148,0.1); color: #008A6E; border: 1px solid rgba(0,184,148,0.2); border-radius: 12px; padding: 12px 16px; font-size: 14px; display: none; align-items: center; gap: 8px; }
.form-success.show { display: flex; }
.form-success svg { width: 18px; height: 18px; }
.form-error { color: #D92D20; font-size: 13px; margin-top: 8px; display: none; text-align: left; }
.form-error.show { display: block; }
.subscribe-form.has-error input { border-color: #D92D20; }
.subscribe-form.has-error input:focus { box-shadow: 0 0 0 3px rgba(217,45,32,0.12); }

/* ===== News / CMS ===== */
.news-section { background: var(--bg); }
.news-layout { display: grid; grid-template-columns: 1fr 380px; gap: 40px; align-items: start; }
.news-list-wrap { display: flex; flex-direction: column; gap: 16px; }
.news-item { background: #fff; border-radius: var(--radius); border: 1px solid var(--border); padding: 20px 22px; display: flex; gap: 20px; transition: all var(--transition); align-items: center; }
.news-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); border-color: rgba(244,63,51,0.25); }
.news-item-noimg { display: flex; gap: 16px; align-items: center; }
.news-main { flex: 1; min-width: 0; }
.news-top { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.news-top .badge { padding: 2px 10px; font-size: 11px; }
.news-title { font-size: 16px; font-weight: 600; color: var(--dark); line-height: 1.45; margin-bottom: 6px; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.news-desc { font-size: 14px; color: #4A4F58; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 8px; }
.news-bottom { display: flex; align-items: center; gap: 12px; font-size: 12px; color: #8A8F98; }
.news-item .news-arrow { color: #E0352A; opacity: 0; transform: translateX(-6px); transition: all var(--transition); }
.news-item:hover .news-arrow { opacity: 1; transform: translateX(0); }
.news-arrow svg { width: 18px; height: 18px; }

.news-sidebar { display: flex; flex-direction: column; gap: 24px; }
.side-card { background: #fff; border-radius: var(--radius); border: 1px solid var(--border); padding: 24px; box-shadow: var(--shadow-sm); }
.side-card h3 { font-size: 16px; font-weight: 700; color: var(--dark); margin-bottom: 16px; padding-bottom: 12px; border-bottom: 1px solid rgba(23,32,51,0.05); position: relative; }
.side-card h3::after { content: ""; position: absolute; bottom: -1px; left: 0; width: 32px; height: 2px; background: var(--gradient); border-radius: 2px; }
.side-links { display: flex; flex-direction: column; gap: 2px; }
.side-links a { display: flex; align-items: center; justify-content: space-between; padding: 10px 8px; border-radius: 10px; transition: all var(--transition); color: #4A4F58; font-size: 14px; }
.side-links a:hover { background: rgba(244,63,51,0.05); color: #E0352A; }
.side-links a .count { font-family: var(--font-num); font-size: 13px; color: #A0A5AD; }
.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud a { background: #F7F4F0; padding: 6px 14px; border-radius: 999px; font-size: 13px; color: #4A4F58; transition: all var(--transition); }
.tag-cloud a:hover { background: rgba(244,63,51,0.1); color: #E0352A; }
.side-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.side-stat { text-align: center; padding: 14px 8px; background: #F7F4F0; border-radius: 12px; }
.side-stat .val { font-family: var(--font-num); font-size: 24px; font-weight: 700; color: var(--dark); }
.side-stat .lbl { font-size: 12px; color: #8A8F98; margin-top: 2px; }

/* ===== Empty State ===== */
.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 60px 20px; background: #fff; border-radius: var(--radius); border: 1px dashed rgba(23,32,51,0.12); }
.empty-state .empty-icon { width: 52px; height: 52px; border-radius: 14px; background: #F7F4F0; display: flex; align-items: center; justify-content: center; color: #A0A5AD; margin-bottom: 14px; }
.empty-state .empty-icon svg { width: 24px; height: 24px; }
.empty-state p { font-size: 14px; color: #8A8F98; }

/* ===== Replay ===== */
.replay-section { background: #fff; }
.replay-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.replay-card { background: #fff; border-radius: var(--radius); border: 1px solid var(--border); overflow: hidden; box-shadow: var(--shadow-sm); transition: all var(--transition); }
.replay-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(244,63,51,0.25); }
.replay-card .thumb { position: relative; aspect-ratio: 16/9; overflow: hidden; }
.replay-card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.replay-card:hover .thumb img { transform: scale(1.04); }
.replay-card .thumb .overlay { position: absolute; inset: 0; background: linear-gradient(to top, rgba(23,32,51,0.4) 0%, transparent 50%); }
.replay-card .thumb .duration { position: absolute; bottom: 10px; right: 10px; background: rgba(23,32,51,0.75); color: #fff; font-size: 12px; font-weight: 500; padding: 2px 8px; border-radius: 6px; font-family: var(--font-num); backdrop-filter: blur(4px); }
.replay-card .thumb .badge { position: absolute; top: 10px; left: 10px; z-index: 2; }
.replay-card .thumb .play-btn { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.9); display: flex; align-items: center; justify-content: center; color: #E0352A; opacity: 0; transition: all var(--transition); box-shadow: 0 4px 12px rgba(0,0,0,0.2); }
.replay-card:hover .play-btn { opacity: 1; }
.replay-card .play-btn svg { width: 20px; height: 20px; margin-left: 2px; }
.replay-card .card-body { padding: 16px 18px; }
.replay-card .card-meta { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; font-size: 12px; color: #8A8F98; }
.replay-card .card-title { font-size: 15px; font-weight: 600; color: var(--dark); line-height: 1.4; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ===== FAQ ===== */
.faq-section { background: var(--bg); }
.faq-wrap { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: #fff; border-radius: 12px; border: 1px solid var(--border); padding: 0; overflow: hidden; transition: all var(--transition); }
.faq-item.open { border-color: rgba(244,63,51,0.2); box-shadow: var(--shadow-sm); }
.faq-question { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; cursor: pointer; font-size: 16px; font-weight: 600; color: var(--dark); user-select: none; transition: all var(--transition); }
.faq-question:hover { color: #E0352A; }
.faq-icon { position: relative; width: 20px; height: 20px; flex-shrink: 0; }
.faq-icon::before, .faq-icon::after { content: ""; position: absolute; background: #8A8F98; border-radius: 2px; transition: all 0.3s cubic-bezier(0.2,0.8,0.2,1); }
.faq-icon::before { width: 14px; height: 2px; top: 9px; left: 3px; }
.faq-icon::after { width: 2px; height: 14px; top: 3px; left: 9px; }
.faq-item.open .faq-icon::after { transform: rotate(90deg); opacity: 0; }
.faq-item.open .faq-icon::before { background: #E0352A; }
.faq-answer { padding: 0 24px 20px; font-size: 14px; color: #4A4F58; line-height: 1.7; display: none; }
.faq-item.open .faq-answer { display: block; }
.faq-answer-inner { padding-top: 12px; border-top: 1px dashed rgba(23,32,51,0.08); }

/* ===== CTA ===== */
.cta-section { position: relative; background: linear-gradient(130deg, #172033 0%, #4a1d24 45%, #d43420 100%); padding: 80px 0; text-align: center; overflow: hidden; }
.cta-section::before { content: ""; position: absolute; inset: 0; background-image: repeating-linear-gradient(0deg, transparent, transparent 4px, rgba(255,255,255,0.03) 4px, rgba(255,255,255,0.03) 8px), repeating-linear-gradient(90deg, transparent, transparent 4px, rgba(255,255,255,0.03) 4px, rgba(255,255,255,0.03) 8px); }
.cta-section::after { content: ""; position: absolute; width: 400px; height: 400px; border-radius: 50%; background: rgba(255,138,0,0.12); filter: blur(70px); bottom: -150px; left: -80px; }
.cta-inner { position: relative; z-index: 2; max-width: 620px; margin: 0 auto; }
.cta-inner h2 { font-size: 34px; font-weight: 800; color: #fff; letter-spacing: -0.5px; margin-bottom: 12px; }
.cta-inner p { color: rgba(255,255,255,0.75); font-size: 16px; margin-bottom: 32px; line-height: 1.7; }
.cta-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ===== Footer ===== */
.site-footer { background: var(--dark); color: rgba(255,255,255,0.7); padding-top: 60px; }
.footer-main { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer-brand .brand { margin-bottom: 14px; }
.footer-brand .brand-text { color: #fff; }
.footer-brand .brand-text em { color: rgba(255,255,255,0.6); }
.footer-brand p { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,0.55); max-width: 300px; }
.footer-col h4 { font-size: 14px; font-weight: 600; color: #fff; margin-bottom: 16px; letter-spacing: 0.5px; }
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col a { font-size: 13px; color: rgba(255,255,255,0.55); transition: all var(--transition); display: inline-flex; align-items: center; gap: 6px; }
.footer-col a:hover { color: #FF8A00; }
.footer-col a svg { width: 14px; height: 14px; opacity: 0.5; }
.footer-social { display: flex; gap: 10px; margin-top: 14px; }
.footer-social a { width: 34px; height: 34px; border-radius: 10px; background: rgba(255,255,255,0.06); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.7); transition: all var(--transition); }
.footer-social a:hover { background: var(--gradient); color: #fff; transform: translateY(-2px); }
.footer-social a svg { width: 16px; height: 16px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 20px 0; display: flex; align-items: center; justify-content: space-between; gap: 16px; font-size: 13px; color: rgba(255,255,255,0.4); flex-wrap: wrap; }

/* ===== Back to top ===== */
.back-top { position: fixed; bottom: 32px; right: 32px; width: 44px; height: 44px; border-radius: 50%; background: var(--gradient); color: #fff; display: flex; align-items: center; justify-content: center; box-shadow: 0 6px 20px rgba(244,63,51,0.3); opacity: 0; visibility: hidden; transform: translateY(10px); transition: all var(--transition); z-index: 999; }
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(244,63,51,0.4); }
.back-top svg { width: 20px; height: 20px; }

/* ===== Reveal animation ===== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.2,0.8,0.2,1); }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  :root { --header-top-h: 64px; }
  .hero .container { grid-template-columns: 1fr 380px; gap: 40px; }
  .hero h1 { font-size: 36px; }
  .highlight-grid { grid-template-columns: repeat(2, 1fr); }
  .replay-grid { grid-template-columns: repeat(2, 1fr); }
  .news-layout { grid-template-columns: 1fr 320px; gap: 28px; }
  .nav-list a { padding: 0 16px; font-size: 14px; }
}

@media (max-width: 767px) {
  :root { --header-top-h: 60px; --nav-h: 0px; }
  .container { padding: 0 16px; }
  .header-nav { height: auto; }
  .nav-list { display: none; }
  .menu-toggle { display: flex; height: 44px; }
  .header-nav .container { height: auto; padding: 0; }
  .hero { padding: 48px 0 56px; }
  .hero .container { grid-template-columns: 1fr; gap: 32px; }
  .hero h1 { font-size: 28px; line-height: 1.3; }
  .hero-sub { font-size: 15px; }
  .hero-ctas { flex-direction: column; }
  .hero-ctas .btn { width: 100%; }
  .hero-stats { gap: 16px; margin-top: 28px; padding-top: 20px; flex-wrap: wrap; }
  .hero-stat .val { font-size: 22px; }
  .hero-card img { height: 220px; }
  .countdown-num { font-size: 24px; }
  .section { padding: 56px 0; }
  .section-title { font-size: 24px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 12px; }
  .highlight-grid { grid-template-columns: 1fr; gap: 16px; }
  .replay-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .news-layout { grid-template-columns: 1fr; gap: 24px; }
  .subscribe-box { padding: 40px 20px; }
  .subscribe-form { flex-direction: column; }
  .subscribe-form .btn { width: 100%; }
  .cta-inner h2 { font-size: 26px; }
  .cta-btns { flex-direction: column; }
  .cta-btns .btn { width: 100%; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; justify-content: center; text-align: center; }
  .back-top { bottom: 20px; right: 20px; width: 38px; height: 38px; }
  .section-title-wrap { gap: 10px; }
  .section-num { font-size: 15px; }
  .news-item { padding: 16px; }
  .news-item-noimg { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 520px) {
  .replay-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; }
  .brand-text { font-size: 17px; }
  .header-actions .icon-btn:last-of-type { display: none; }
  .btn-primary.btn-sm { display: none; }
}

/* roulang page: category1 */
:root {
  --primary: #F43F33;
  --primary-light: #FF8A00;
  --gradient: linear-gradient(135deg, #F43F33 0%, #FF8A00 100%);
  --dark: #172033;
  --dark-2: #232e47;
  --accent: #00B894;
  --bg: #F7F4F0;
  --card-bg: #FFFFFF;
  --light-bg: #FDF1EC;
  --text: #4A4F58;
  --text-light: #8A8F98;
  --text-dark: #172033;
  --border: rgba(23,32,51,0.06);
  --border-light: rgba(255,255,255,0.08);
  --radius: 16px;
  --radius-lg: 20px;
  --radius-sm: 12px;
  --shadow: 0 2px 8px rgba(23,32,51,0.04);
  --shadow-hover: 0 8px 30px rgba(244,63,51,0.10);
  --transition: 0.25s cubic-bezier(0.2,0.8,0.2,1);
  --container: 1200px;
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  --font-num: "DIN Alternate", "Bebas Neue", "Arial Narrow", sans-serif;
}

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

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

body {
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--text);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; border-radius: 12px; }
a { text-decoration: none; color: inherit; transition: color 0.2s ease; }
button { font-family: inherit; cursor: pointer; }
ul, ol { list-style: none; }
input { font-family: inherit; }

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

.format-num { font-family: var(--font-num); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: var(--radius-sm);
  padding: 14px 28px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
  line-height: 1.4;
}
.btn:focus-visible { outline: 3px solid rgba(255,138,0,0.4); outline-offset: 2px; }
.btn-primary { background: var(--gradient); color: #fff; box-shadow: 0 4px 14px rgba(244,63,51,0.25); }
.btn-primary:hover { filter: brightness(1.1); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(244,63,51,0.32); }
.btn-primary:active { transform: scale(0.97); }
.btn-outline { background: transparent; border: 1px solid var(--dark); color: var(--dark); }
.btn-outline:hover { background: var(--dark); color: #fff; transform: translateY(-2px); }
.btn-outline-white { background: transparent; border: 1px solid rgba(255,255,255,0.8); color: #fff; }
.btn-outline-white:hover { background: rgba(255,255,255,0.15); transform: translateY(-2px); }
.btn-sm { padding: 10px 18px; font-size: 14px; border-radius: 10px; }
.btn-lg { padding: 16px 36px; font-size: 16px; border-radius: 14px; }

/* ===== Header ===== */
.site-header { position: sticky; top: 0; z-index: 1000; background: #fff; box-shadow: 0 2px 12px rgba(23,32,51,0.06); }

.header-top { background: #fff; border-bottom: 1px solid var(--border); }
.header-top .container { display: flex; align-items: center; justify-content: space-between; height: 68px; }

.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-icon {
  width: 38px; height: 38px;
  background: var(--gradient);
  color: #fff;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 800;
  box-shadow: 0 4px 12px rgba(244,63,51,0.3);
}
.brand-text { font-size: 20px; font-weight: 800; color: var(--dark); letter-spacing: 0.5px; }
.brand-text em { font-style: normal; font-weight: 400; color: var(--text-light); font-size: 15px; margin-left: 2px; }

.header-actions { display: flex; align-items: center; gap: 10px; }
.icon-btn {
  width: 40px; height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  display: flex; align-items: center; justify-content: center;
  color: var(--dark);
  transition: all var(--transition);
}
.icon-btn:hover { background: var(--light-bg); border-color: rgba(244,63,51,0.2); color: var(--primary); }
.icon-btn svg { width: 18px; height: 18px; }

.header-nav { background: var(--dark); }
.header-nav .container { display: flex; align-items: center; justify-content: space-between; min-height: 48px; gap: 20px; }

.nav-list { display: flex; align-items: center; gap: 4px; overflow-x: auto; scrollbar-width: none; -ms-overflow-style: none; flex: 1; }
.nav-list::-webkit-scrollbar { display: none; }
.nav-list li a {
  display: block;
  padding: 10px 18px;
  color: rgba(255,255,255,0.75);
  font-size: 15px;
  font-weight: 500;
  border-radius: 8px;
  white-space: nowrap;
  transition: all 0.2s ease;
  position: relative;
}
.nav-list li a:hover { background: rgba(255,255,255,0.12); color: #fff; }
.nav-list li a.active { color: #fff; font-weight: 600; }
.nav-list li a.active::after {
  content: '';
  position: absolute; left: 18px; right: 18px; bottom: 4px;
  height: 3px; background: var(--gradient); border-radius: 4px;
}

.menu-toggle { display: none; background: none; border: none; color: #fff; padding: 8px; border-radius: 8px; }
.menu-toggle:hover { background: rgba(255,255,255,0.12); }
.menu-toggle svg { width: 22px; height: 22px; }

.mobile-menu {
  display: none;
  background: var(--dark);
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.mobile-menu.open { max-height: 400px; padding: 8px 0 16px; }
.mobile-menu a {
  display: block;
  padding: 12px 24px;
  color: rgba(255,255,255,0.75);
  font-size: 15px;
  border-radius: 8px;
  margin: 2px 12px;
  transition: all 0.2s ease;
}
.mobile-menu a:hover { background: rgba(255,255,255,0.1); color: #fff; }
.mobile-menu a.active { color: #fff; font-weight: 600; background: rgba(255,138,0,0.15); }

/* ===== Page Hero / Banner ===== */
.page-hero {
  position: relative;
  padding: 72px 0 64px;
  background: linear-gradient(130deg, #FDF1EC 0%, #fff 55%, #FDF1EC 100%);
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  top: -80px; right: -60px;
  width: 320px; height: 320px;
  background: radial-gradient(circle, rgba(255,138,0,0.14) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.page-hero::after {
  content: '';
  position: absolute;
  bottom: -120px; left: -40px;
  width: 280px; height: 280px;
  background: radial-gradient(circle, rgba(244,63,51,0.08) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.page-hero .container { position: relative; z-index: 2; display: flex; align-items: center; gap: 48px; }
.hero-content { flex: 1; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(244,63,51,0.1);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.hero-badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--primary); animation: pulse 1.5s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }

.page-hero h1 {
  font-size: 42px;
  font-weight: 800;
  color: var(--dark);
  letter-spacing: -1px;
  line-height: 1.2;
  margin-bottom: 12px;
}
.page-hero .subtitle { font-size: 17px; color: var(--text); line-height: 1.7; max-width: 540px; margin-bottom: 28px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

.hero-visual { flex: 0 0 380px; }
.hero-card {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(23,32,51,0.2);
  border: 1px solid #fff;
}
.hero-card img { width: 100%; height: 260px; object-fit: cover; }
.hero-card-meta {
  position: absolute; bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(23,32,51,0.9));
  padding: 60px 20px 20px;
  color: #fff;
}
.hero-card-meta .tag { font-size: 12px; background: rgba(255,138,0,0.9); border-radius: 999px; padding: 3px 10px; color: #fff; }
.hero-card-meta h3 { font-size: 17px; margin-top: 8px; font-weight: 600; }
.hero-card-meta .views { font-size: 13px; opacity: 0.8; margin-top: 4px; }

/* ===== Section Common ===== */
.section { padding: 96px 0; }
.section-alt { background: #fff; }
.section-header { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 40px; gap: 20px; flex-wrap: wrap; }
.section-title-wrap { display: flex; align-items: flex-start; gap: 16px; }
.section-num {
  font-family: var(--font-num);
  font-size: 18px;
  font-weight: 700;
  color: var(--primary);
  line-height: 1.2;
  padding-top: 8px;
  letter-spacing: 1px;
}
.section-title { font-size: 30px; font-weight: 700; color: var(--dark); letter-spacing: -0.5px; line-height: 1.3; }
.section-title::after { content: ''; display: block; width: 40px; height: 4px; background: var(--gradient); border-radius: 4px; margin-top: 12px; }
.section-desc { font-size: 15px; color: var(--text-light); line-height: 1.7; max-width: 520px; }

/* ===== Filter Bar ===== */
.filter-bar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap;
  padding: 16px 20px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  margin-bottom: 32px;
}
.filter-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-tag {
  padding: 7px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  background: var(--bg);
  color: var(--text);
  border: 1px solid transparent;
  transition: all 0.2s ease;
  cursor: pointer;
}
.filter-tag:hover { background: var(--light-bg); color: var(--primary); }
.filter-tag.active { background: var(--gradient); color: #fff; box-shadow: 0 4px 12px rgba(244,63,51,0.25); }
.filter-sort { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-light); }
.filter-sort select {
  padding: 7px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #fff;
  font-size: 13px;
  font-family: inherit;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s ease;
}
.filter-sort select:focus { border-color: var(--primary-light); }

/* ===== Card Grid ===== */
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.featured-card {
  grid-column: span 2;
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: all var(--transition);
  min-height: 280px;
}
.featured-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(244,63,51,0.25); }
.featured-card .card-img { position: relative; overflow: hidden; }
.featured-card .card-img img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16/10; transition: transform 0.4s ease; }
.featured-card:hover .card-img img { transform: scale(1.03); }
.featured-card .card-content { padding: 28px; display: flex; flex-direction: column; justify-content: center; }
.featured-card .card-tag { display: inline-flex; align-items: center; gap: 6px; align-self: flex-start; }
.featured-card .card-title { font-size: 20px; font-weight: 700; color: var(--dark); line-height: 1.4; margin: 12px 0 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.featured-card .card-desc { font-size: 14px; color: var(--text); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 16px; }
.card-stats { display: flex; gap: 16px; margin-top: auto; }

.stat-item { display: flex; align-items: center; gap: 4px; font-size: 13px; color: var(--text-light); }
.stat-item .num { font-family: var(--font-num); font-size: 15px; font-weight: 700; color: var(--dark); }

.card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(244,63,51,0.25); }
.card .card-img { position: relative; overflow: hidden; }
.card .card-img img { width: 100%; aspect-ratio: 16/9; object-fit: cover; transition: transform 0.4s ease; }
.card:hover .card-img img { transform: scale(1.04); }
.card .card-img .duration-badge {
  position: absolute; bottom: 10px; right: 10px;
  background: rgba(23,32,51,0.8);
  color: #fff; font-size: 12px;
  padding: 3px 8px;
  border-radius: 6px;
  backdrop-filter: blur(4px);
}
.card-content { padding: 16px 16px 18px; display: flex; flex-direction: column; flex: 1; }
.card-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
  color: var(--primary);
  background: rgba(244,63,51,0.08);
  padding: 3px 10px;
  border-radius: 999px;
  align-self: flex-start;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}
.card-title { font-size: 17px; font-weight: 600; color: var(--dark); line-height: 1.45; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 6px; transition: color 0.2s ease; }
.card:hover .card-title { color: var(--primary); }
.card-desc { font-size: 13px; color: var(--text); line-height: 1.65; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; flex: 1; margin-bottom: 14px; }
.card-footer-row { display: flex; align-items: center; justify-content: space-between; margin-top: auto; }
.card-views { font-size: 13px; color: var(--text-light); }
.card-views .num { font-family: var(--font-num); font-size: 15px; font-weight: 700; color: var(--primary); }
.card-link { font-size: 13px; color: var(--primary); font-weight: 500; display: inline-flex; align-items: center; gap: 4px; }
.card-link svg { width: 14px; height: 14px; transition: transform 0.2s ease; }
.card-link:hover svg { transform: translateX(4px); }

.standard-card-group { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 24px; }

/* ===== Pagination ===== */
.pagination { display: flex; justify-content: center; align-items: center; gap: 8px; margin-top: 48px; flex-wrap: wrap; }
.page-btn {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
}
.page-btn:hover { border-color: var(--primary-light); color: var(--primary); background: var(--light-bg); }
.page-btn.active { background: var(--gradient); color: #fff; border-color: transparent; box-shadow: 0 4px 12px rgba(244,63,51,0.25); }
.page-btn.prev, .page-btn.next { width: auto; padding: 0 16px; gap: 6px; }
.page-btn.prev svg, .page-btn.next svg { width: 14px; height: 14px; }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ===== Feature / Advantage ===== */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-item::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px; background: var(--gradient); opacity: 0; transition: opacity 0.3s ease;
}
.feature-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(244,63,51,0.2); }
.feature-item:hover::before { opacity: 1; }
.feature-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: var(--light-bg);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
  color: var(--primary);
}
.feature-icon svg { width: 24px; height: 24px; }
.feature-item h3 { font-size: 17px; font-weight: 600; color: var(--dark); margin-bottom: 8px; }
.feature-item p { font-size: 13px; color: var(--text); line-height: 1.65; }

/* ===== Scenario ===== */
.scenario-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.scenario-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
}
.scenario-item:hover { background: #fff; transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(244,63,51,0.2); }
.scenario-item .scenario-icon { font-size: 32px; margin-bottom: 12px; display: block; }
.scenario-item h3 { font-size: 16px; font-weight: 600; color: var(--dark); margin-bottom: 6px; }
.scenario-item p { font-size: 13px; color: var(--text-light); line-height: 1.6; }

/* ===== Steps ===== */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.step-item { text-align: center; position: relative; padding: 0 12px; }
.step-item::after {
  content: '';
  position: absolute; top: 32px; left: calc(50% + 40px); right: calc(-50% + 40px);
  height: 2px;
  background: linear-gradient(to right, rgba(244,63,51,0.3), rgba(255,138,0,0.3));
  border-radius: 2px;
}
.step-item:last-child::after { display: none; }
.step-num {
  width: 64px; height: 64px;
  border-radius: 20px;
  background: var(--gradient);
  color: #fff;
  font-family: var(--font-num);
  font-size: 26px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 8px 20px rgba(244,63,51,0.3);
}
.step-item h3 { font-size: 17px; font-weight: 600; color: var(--dark); margin-bottom: 8px; }
.step-item p { font-size: 14px; color: var(--text-light); line-height: 1.6; }

/* ===== FAQ ===== */
.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.faq-item.active { border-color: rgba(244,63,51,0.2); box-shadow: var(--shadow); }
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: none;
  border: none;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--dark);
  gap: 16px;
}
.faq-question .faq-icon { position: relative; width: 20px; height: 20px; flex-shrink: 0; }
.faq-question .faq-icon::before,
.faq-question .faq-icon::after {
  content: '';
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  background: var(--primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.faq-question .faq-icon::before { width: 16px; height: 2px; }
.faq-question .faq-icon::after { width: 2px; height: 16px; }
.faq-item.active .faq-question .faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); opacity: 0; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-answer p { padding: 0 24px 20px; font-size: 14px; color: var(--text); line-height: 1.7; }

/* ===== CTA ===== */
.cta-section { background: var(--dark); position: relative; overflow: hidden; }
.cta-section::before {
  content: '';
  position: absolute;
  top: -100px; right: -100px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(244,63,51,0.3) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.cta-section::after {
  content: '';
  position: absolute;
  bottom: -80px; left: -60px;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(255,138,0,0.2) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.cta-content { text-align: center; position: relative; z-index: 2; padding: 72px 0; }
.cta-content h2 { font-size: 32px; color: #fff; font-weight: 700; letter-spacing: -0.5px; margin-bottom: 12px; }
.cta-content p { color: rgba(255,255,255,0.7); font-size: 16px; margin-bottom: 28px; }
.cta-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ===== Footer ===== */
.site-footer { background: var(--dark); color: rgba(255,255,255,0.7); }
.site-footer .container { padding: 0; }
.footer-main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  padding: 64px 0 48px;
}
.footer-brand .brand { margin-bottom: 16px; }
.footer-brand .brand-text { color: #fff; }
.footer-brand p { font-size: 14px; line-height: 1.8; max-width: 340px; margin: 16px 0 20px; color: rgba(255,255,255,0.55); }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 36px; height: 36px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.6);
  transition: all 0.2s ease;
}
.footer-social a:hover { background: var(--gradient); color: #fff; }
.footer-social svg { width: 16px; height: 16px; }

.footer-col h4 { font-size: 14px; color: #fff; font-weight: 600; margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 13px; color: rgba(255,255,255,0.55); transition: color 0.2s ease; }
.footer-col ul li a:hover { color: var(--primary-light); }

.footer-bottom {
  border-top: 1px solid var(--border-light);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  color: rgba(255,255,255,0.45);
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom a { color: rgba(255,255,255,0.55); }
.footer-bottom a:hover { color: var(--primary-light); }

/* ===== Back to Top ===== */
.back-top {
  position: fixed;
  bottom: 32px; right: 32px;
  width: 44px; height: 44px;
  border-radius: 12px;
  background: var(--gradient);
  color: #fff;
  border: none;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 8px 24px rgba(244,63,51,0.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: all 0.3s ease;
  z-index: 999;
}
.back-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.back-top:hover { filter: brightness(1.1); transform: translateY(-2px); }
.back-top svg { width: 20px; height: 20px; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .page-hero .container { flex-direction: column; gap: 32px; text-align: center; }
  .page-hero .subtitle { margin-left: auto; margin-right: auto; }
  .hero-content { padding-top: 0; }
  .hero-visual { flex: 0 0 auto; width: 100%; max-width: 480px; margin: 0 auto; }
  .hero-cta { justify-content: center; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .scenario-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 32px 24px; }
  .step-item::after { display: none; }
  .standard-card-group { grid-template-columns: repeat(2, 1fr); }
  .featured-card { grid-template-columns: 1fr; }
  .featured-card .card-img img { aspect-ratio: 16/8; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 767px) {
  .container { padding: 0 16px; }
  .section { padding: 56px 0; }
  .section-title { font-size: 24px; }
  .section-header { margin-bottom: 28px; }
  .page-hero { padding: 48px 0 40px; }
  .page-hero h1 { font-size: 28px; }
  .page-hero .subtitle { font-size: 15px; }
  .hero-visual { max-width: 100%; }
  .hero-card img { height: 200px; }

  .header-top .container { height: 60px; }
  .brand-text { font-size: 17px; }
  .brand-icon { width: 34px; height: 34px; font-size: 17px; }
  .header-actions .btn-sm { display: none; }
  .nav-list { display: none; }
  .menu-toggle { display: flex; align-items: center; justify-content: center; }
  .mobile-menu { display: block; }

  .card-grid { grid-template-columns: 1fr; }
  .featured-card { grid-column: span 1; grid-template-columns: 1fr; }
  .standard-card-group { grid-template-columns: 1fr; gap: 16px; }
  .feature-grid { grid-template-columns: 1fr; }
  .scenario-grid { grid-template-columns: 1fr; gap: 16px; }
  .steps-grid { grid-template-columns: 1fr; gap: 24px; }
  .cta-content h2 { font-size: 24px; }
  .cta-btns .btn { width: 100%; }
  .footer-main { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .back-top { bottom: 20px; right: 20px; width: 38px; height: 38px; }
  .filter-bar { flex-direction: column; align-items: stretch; }
  .filter-sort { justify-content: flex-end; }
}

@media (max-width: 520px) {
  .section-title { font-size: 22px; }
  .page-hero h1 { font-size: 24px; }
  .featured-card .card-content { padding: 20px; }
  .card-stats { flex-wrap: wrap; gap: 10px; }
  .btn { padding: 12px 20px; font-size: 14px; }
  .cta-content p { font-size: 14px; }
}

/* roulang page: article */
:root {
  --primary: #F43F33;
  --primary-2: #FF8A00;
  --primary-grad: linear-gradient(135deg, #F43F33 0%, #FF8A00 100%);
  --ink: #172033;
  --ink-2: #1f2a3d;
  --text: #3a3a3a;
  --text-light: #6B7280;
  --text-faint: #8A8F98;
  --bg: #F7F4F0;
  --bg-soft: #FDF1EC;
  --card: #FFFFFF;
  --border: rgba(23,32,51,0.08);
  --radius: 16px;
  --radius-lg: 20px;
  --radius-sm: 12px;
  --shadow: 0 2px 8px rgba(23,32,51,0.04);
  --shadow-hover: 0 8px 30px rgba(244,63,51,0.10);
  --success: #00B894;
  --error: #D92D20;
  --warning: #F79009;
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  --font-num: "DIN Alternate", "Bebas Neue", "Arial Narrow", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input { font-family: inherit; }
ul, ol { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 14px 28px;
  transition: all 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
  line-height: 1;
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary-grad);
  color: #fff;
  box-shadow: 0 4px 16px rgba(244, 63, 51, 0.28);
}
.btn-primary:hover {
  filter: brightness(1.08);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(244, 63, 51, 0.35);
}
.btn-primary:active { transform: scale(0.97); }
.btn-primary:focus-visible {
  outline: 3px solid rgba(255, 138, 0, 0.4);
  outline-offset: 2px;
}
.btn-outline {
  background: transparent;
  border: 1px solid var(--ink);
  color: var(--ink);
}
.btn-outline:hover { background: var(--ink); color: #fff; }
.btn-outline:focus-visible {
  outline: 3px solid rgba(23, 32, 51, 0.3);
  outline-offset: 2px;
}
.btn-sm { padding: 10px 20px; font-size: 14px; border-radius: 10px; }
.btn-lg { padding: 16px 36px; font-size: 16px; }
.data-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(244, 63, 51, 0.1);
  color: var(--primary);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 13px;
  font-weight: 500;
  line-height: 1.4;
}
.data-badge .num {
  font-family: var(--font-num);
  font-size: 15px;
  font-weight: 700;
}
/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(23, 32, 51, 0.08);
}
.header-top {
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.header-top .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--primary-grad);
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(244, 63, 51, 0.3);
}
.brand-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.3px;
}
.brand-text em {
  font-style: normal;
  font-weight: 400;
  color: var(--text-faint);
  margin-left: 2px;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  background: var(--bg);
  transition: all 0.2s;
  border: 1px solid transparent;
}
.icon-btn svg { width: 20px; height: 20px; }
.icon-btn:hover {
  background: var(--bg-soft);
  color: var(--primary);
  border-color: rgba(244, 63, 51, 0.2);
}
.header-nav {
  background: var(--ink);
}
.header-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 52px;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.nav-list::-webkit-scrollbar { display: none; }
.nav-list a {
  display: inline-block;
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
  font-weight: 500;
  padding: 10px 18px;
  border-radius: 8px;
  transition: all 0.2s;
  position: relative;
  white-space: nowrap;
}
.nav-list a:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}
.nav-list a.active {
  color: #fff;
  font-weight: 600;
}
.nav-list a.active::after {
  content: '';
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 4px;
  height: 3px;
  border-radius: 4px;
  background: var(--primary-grad);
}
.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.85);
  transition: background 0.2s;
}
.menu-toggle:hover { background: rgba(255, 255, 255, 0.12); }
.menu-toggle svg { width: 22px; height: 22px; }
.mobile-menu {
  display: none;
  background: var(--ink-2);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 8px 24px 16px;
}
.mobile-menu a {
  display: block;
  color: rgba(255, 255, 255, 0.8);
  font-size: 15px;
  padding: 12px 4px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
.mobile-menu a:last-child { border-bottom: none; }
.mobile-menu a.active { color: #fff; font-weight: 600; }
.mobile-menu a:hover { color: #fff; }
/* ===== Breadcrumb ===== */
.breadcrumb-bar {
  background: #fff;
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-faint);
}
.breadcrumb a {
  color: var(--text-light);
  transition: color 0.2s;
}
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep {
  color: #c8cbd0;
  font-size: 12px;
  user-select: none;
}
.breadcrumb .current {
  color: var(--text);
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 300px;
}
/* ===== Article ===== */
.article-wrap {
  padding: 48px 0 72px;
  background: var(--bg);
}
.article-container {
  max-width: 860px;
  margin: 0 auto;
  background: #fff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 56px 64px;
}
.article-header {
  margin-bottom: 40px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--border);
}
.article-title {
  font-size: 36px;
  font-weight: 800;
  color: var(--ink);
  line-height: 1.3;
  letter-spacing: -0.8px;
  margin-bottom: 20px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
  margin-bottom: 24px;
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-light);
}
.meta-item svg { width: 15px; height: 15px; opacity: 0.6; }
.meta-item .cat-link {
  color: var(--primary);
  font-weight: 500;
}
.article-share {
  display: flex;
  align-items: center;
  gap: 10px;
}
.article-share .share-label {
  font-size: 13px;
  color: var(--text-faint);
  margin-right: 4px;
}
.share-btn {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  transition: all 0.2s;
}
.share-btn svg { width: 17px; height: 17px; }
.share-btn:hover {
  background: var(--bg-soft);
  color: var(--primary);
  transform: translateY(-2px);
}
.share-btn.wechat:hover { color: var(--success); }
.share-btn.weibo:hover { color: #e6162d; }
/* ===== Article Body ===== */
.article-body {
  font-size: 17px;
  line-height: 1.9;
  color: #3a3a3a;
}
.article-body p {
  margin-bottom: 24px;
}
.article-body h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--ink);
  margin: 44px 0 18px;
  padding-left: 14px;
  border-left: 4px solid var(--primary);
  border-radius: 2px;
  line-height: 1.4;
}
.article-body h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
  margin: 32px 0 14px;
  line-height: 1.5;
}
.article-body img {
  max-width: 100%;
  border-radius: 12px;
  margin: 28px 0;
  box-shadow: var(--shadow);
  height: auto;
}
.article-body blockquote {
  border-left: 4px solid var(--primary);
  background: var(--bg-soft);
  padding: 18px 22px;
  border-radius: 0 12px 12px 0;
  margin: 28px 0;
  color: var(--text-light);
  font-size: 16px;
}
.article-body ul {
  margin: 20px 0 24px;
  padding-left: 4px;
}
.article-body ul li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 10px;
}
.article-body ul li::before {
  content: '';
  position: absolute;
  left: 4px;
  top: 11px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--primary-grad);
}
.article-body ol {
  margin: 20px 0 24px;
  padding-left: 22px;
  counter-reset: article-ol;
}
.article-body ol li {
  counter-increment: article-ol;
  padding-left: 8px;
  margin-bottom: 10px;
}
.article-body ol li::marker {
  color: var(--primary);
  font-weight: 700;
  font-family: var(--font-num);
}
.article-body a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(244, 63, 51, 0.3);
  transition: text-decoration-color 0.2s;
}
.article-body a:hover { text-decoration-color: var(--primary); }
.article-body code {
  background: #f0f0f2;
  padding: 2px 8px;
  border-radius: 5px;
  font-size: 0.88em;
  font-family: "SF Mono", "JetBrains Mono", Consolas, Monaco, monospace;
  color: var(--primary);
}
.article-body pre {
  background: var(--ink);
  color: #e8e8e8;
  padding: 22px 26px;
  border-radius: 12px;
  overflow-x: auto;
  margin: 28px 0;
  line-height: 1.7;
  font-size: 14px;
}
.article-body pre code {
  background: none;
  color: inherit;
  padding: 0;
  font-size: inherit;
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 28px 0;
  font-size: 15px;
}
.article-body th {
  background: var(--ink);
  color: #fff;
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
  border-radius: 0;
}
.article-body th:first-child { border-radius: 8px 0 0 0; }
.article-body th:last-child { border-radius: 0 8px 0 0; }
.article-body td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: #fff;
}
.article-body tr:last-child td { border-bottom: none; }
.article-body hr {
  border: none;
  height: 1px;
  background: var(--border);
  margin: 36px 0;
}
/* ===== Tags ===== */
.article-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}
.tags-label {
  font-size: 13px;
  color: var(--text-faint);
  margin-right: 4px;
}
.tag {
  display: inline-block;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 13px;
  color: var(--text-light);
  transition: all 0.2s;
  line-height: 1.4;
}
.tag:hover {
  background: var(--bg-soft);
  border-color: rgba(244, 63, 51, 0.3);
  color: var(--primary);
  transform: translateY(-1px);
}
/* ===== Empty ===== */
.article-empty {
  padding: 120px 24px;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}
.empty-icon {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  color: var(--text-faint);
}
.empty-icon svg { width: 32px; height: 32px; }
.article-empty p {
  font-size: 18px;
  color: var(--text-light);
  margin-bottom: 28px;
}
/* ===== Related ===== */
.related-section {
  padding: 80px 0;
  background: var(--bg);
  border-top: 1px solid var(--border);
}
.section-title {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 40px;
}
.section-title::before {
  content: '';
  width: 4px;
  height: 28px;
  border-radius: 4px;
  background: var(--primary-grad);
  flex-shrink: 0;
}
.section-title h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.5px;
  line-height: 1.2;
}
.section-title .section-sub {
  font-size: 14px;
  color: var(--text-faint);
  margin-left: 8px;
  font-weight: 400;
  letter-spacing: 0;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
  display: flex;
  flex-direction: column;
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(244, 63, 51, 0.25);
}
.related-card .card-media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
  background: var(--ink);
}
.related-card .card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.related-card:hover .card-media img {
  transform: scale(1.05);
}
.card-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
  gap: 10px;
}
.card-cat {
  font-size: 12px;
  font-weight: 500;
  color: var(--primary);
  background: rgba(244, 63, 51, 0.08);
  border-radius: 6px;
  padding: 4px 10px;
  display: inline-block;
  align-self: flex-start;
  letter-spacing: 0.3px;
}
.card-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 51px;
  transition: color 0.2s;
}
.related-card:hover .card-title { color: var(--primary); }
.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid rgba(23, 32, 51, 0.05);
}
.card-time {
  font-size: 12px;
  color: var(--text-faint);
}
.card-link {
  font-size: 13px;
  color: var(--primary);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.2s;
}
.card-link:hover { gap: 8px; }
.card-link svg { width: 14px; height: 14px; }
.article-back {
  margin-top: 48px;
  text-align: center;
  display: flex;
  justify-content: center;
  gap: 16px;
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--text-light);
  padding: 10px 20px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  transition: all 0.2s;
}
.back-link:hover {
  color: var(--primary);
  border-color: rgba(244, 63, 51, 0.3);
  transform: translateY(-2px);
}
.back-link svg { width: 15px; height: 15px; }
/* ===== CTA ===== */
.cta-band {
  padding: 72px 0;
  background: linear-gradient(135deg, var(--ink) 0%, #3d2530 55%, var(--primary) 130%);
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -60px;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(255, 138, 0, 0.15);
  filter: blur(60px);
  pointer-events: none;
}
.cta-band .container {
  position: relative;
  z-index: 1;
  max-width: 720px;
  text-align: center;
}
.cta-title {
  font-size: 30px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
  line-height: 1.3;
}
.cta-desc {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: 32px;
  line-height: 1.7;
}
.cta-form {
  display: flex;
  gap: 12px;
  max-width: 520px;
  margin: 0 auto;
}
.cta-input {
  flex: 1;
  height: 50px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(6px);
  padding: 0 18px;
  color: #fff;
  font-size: 15px;
  transition: all 0.2s;
}
.cta-input::placeholder { color: rgba(255, 255, 255, 0.45); }
.cta-input:focus {
  outline: none;
  border-color: var(--primary-2);
  background: rgba(255, 255, 255, 0.18);
  box-shadow: 0 0 0 3px rgba(255, 138, 0, 0.25);
}
.cta-note {
  margin-top: 16px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}
.cta-form-success {
  background: rgba(0, 184, 148, 0.12);
  border: 1px solid rgba(0, 184, 148, 0.3);
  border-radius: 12px;
  padding: 16px 20px;
  color: #7be0b8;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  max-width: 520px;
  margin: 0 auto;
}
.cta-form-success svg { width: 22px; height: 22px; flex-shrink: 0; }
.cta-form-error {
  color: #ff9590;
  font-size: 13px;
  margin-top: 8px;
  text-align: left;
  padding-left: 12px;
}
/* ===== Footer ===== */
.site-footer {
  background: var(--ink);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 0;
}
.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand .brand-text {
  color: #fff;
}
.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.55);
  margin-top: 18px;
  max-width: 320px;
}
.footer-social {
  display: flex;
  gap: 10px;
  margin-top: 22px;
}
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.65);
  transition: all 0.2s;
}
.footer-social a svg { width: 17px; height: 17px; }
.footer-social a:hover {
  background: var(--primary-grad);
  color: #fff;
  transform: translateY(-3px);
}
.footer-col h4 {
  font-size: 14px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: 0.3px;
}
.footer-col ul li {
  margin-bottom: 12px;
}
.footer-col ul a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  transition: color 0.2s;
  line-height: 1.6;
}
.footer-col ul a:hover {
  color: var(--primary-2);
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}
.footer-bottom .footer-icp {
  font-size: 12px;
}
/* ===== Back to Top ===== */
.back-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--primary-grad);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(244, 63, 51, 0.35);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all 0.3s ease;
  z-index: 99;
}
.back-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-top:hover {
  filter: brightness(1.08);
  transform: translateY(-4px);
}
.back-top:focus-visible {
  outline: 3px solid rgba(255, 138, 0, 0.5);
  outline-offset: 2px;
}
.back-top svg { width: 20px; height: 20px; }
/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .container { padding: 0 20px; }
  .related-grid { grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .article-container { padding: 40px 36px; }
}
@media (max-width: 768px) {
  .header-top .container { height: 62px; }
  .header-nav .container { height: 48px; }
  .title-row { display: flex; align-items: center; justify-content: space-between; width: auto; flex-direction: row; }
  .nav-list {
    overflow-x: auto;
    flex: 1;
  }
  .nav-list a { padding: 8px 14px; font-size: 14px; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .article-wrap { padding: 32px 0 56px; }
  .article-container { padding: 32px 24px; border-radius: 14px; }
  .article-title { font-size: 28px; }
  .article-body { font-size: 16px; line-height: 1.85; }
  .cta-band { padding: 56px 0; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 36px; }
  .footer-brand { grid-column: 1 / -1; }
  .breadcrumb-bar { padding: 12px 0; }
  .breadcrumb .current { max-width: 200px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .header-actions .icon-btn:first-child { display: flex; }
  .btn-sm { padding: 9px 16px; font-size: 13px; }
  .menu-toggle { display: flex; }
  .nav-list {
    display: none;
  }
  .header-nav .container {
    justify-content: flex-end;
    height: 48px;
  }
  .mobile-menu { display: block; }
  .article-container { padding: 24px 16px; }
  .article-title { font-size: 24px; }
  .article-meta { gap: 10px 16px; }
  .related-grid { grid-template-columns: 1fr; }
  .related-card { max-width: 100%; }
  .cta-form { flex-direction: column; }
  .cta-input { width: 100%; }
  .cta-btn { width: 100%; }
  .footer-main { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .back-top { bottom: 20px; right: 20px; width: 38px; height: 38px; }
  .section-title h2 { font-size: 24px; }
  .breadcrumb .sep { display: none; }
  .breadcrumb { gap: 6px; font-size: 13px; }
  .breadcrumb a:first-child { margin-right: 2px; }
}
@media (min-width: 521px) {
  .mobile-menu { display: none !important; }
}

/* roulang page: category2 */
:root {
  --primary: #F43F33;
  --primary-light: #FF8A00;
  --primary-gradient: linear-gradient(135deg, #F43F33 0%, #FF8A00 100%);
  --secondary: #172033;
  --accent: #00B894;
  --bg: #F7F4F0;
  --bg-card: #FFFFFF;
  --bg-soft: #FDF1EC;
  --text-main: #2B2F36;
  --text-body: #4A4F58;
  --text-muted: #8A8F98;
  --text-light: #A0A5AD;
  --border: rgba(23, 32, 51, 0.08);
  --border-soft: rgba(23, 32, 51, 0.06);
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-card: 0 2px 8px rgba(23, 32, 51, 0.04);
  --shadow-hover: 0 8px 30px rgba(244, 63, 51, 0.12);
  --transition: 0.25s cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

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

input {
  font-family: inherit;
}

ul, ol {
  list-style: none;
}

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

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: #fff;
  box-shadow: 0 2px 12px rgba(23, 32, 51, 0.06);
}

.header-top {
  background: #fff;
  border-bottom: 1px solid var(--border-soft);
}

.header-top .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

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

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--primary-gradient);
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(244, 63, 51, 0.3);
}

.brand-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--secondary);
  letter-spacing: -0.5px;
}

.brand-text em {
  font-style: normal;
  font-weight: 400;
  color: var(--text-muted);
  font-size: 15px;
  margin-left: 2px;
}

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

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border-soft);
  background: #fff;
  color: var(--text-body);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.icon-btn svg {
  width: 18px;
  height: 18px;
}

.icon-btn:hover {
  background: var(--bg);
  color: var(--primary);
  border-color: rgba(244, 63, 51, 0.3);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.5px;
  padding: 14px 28px;
  transition: all var(--transition);
  line-height: 1.4;
  white-space: nowrap;
}

.btn-sm {
  padding: 9px 18px;
  font-size: 14px;
}

.btn-primary {
  background: var(--primary-gradient);
  color: #fff;
  box-shadow: 0 4px 16px rgba(244, 63, 51, 0.28);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(244, 63, 51, 0.36);
  filter: brightness(1.08);
}

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

.btn-primary:focus-visible,
.btn-outline:focus-visible,
.icon-btn:focus-visible {
  outline: 3px solid rgba(255, 138, 0, 0.4);
  outline-offset: 2px;
}

.btn-outline {
  background: transparent;
  border: 1.5px solid rgba(255, 255, 255, 0.9);
  color: #fff;
}

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

.header-nav {
  background: var(--secondary);
}

.header-nav .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 52px;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
}

.nav-list li a {
  display: block;
  padding: 8px 16px;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 15px;
  font-weight: 500;
  transition: all 0.2s ease;
  position: relative;
  white-space: nowrap;
}

.nav-list li a:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.nav-list li a.active {
  background: var(--primary-gradient);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(244, 63, 51, 0.3);
}

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
}

.menu-toggle svg {
  display: block;
  width: 20px;
  height: 20px;
}

.menu-toggle:hover {
  background: rgba(255, 255, 255, 0.12);
}

.mobile-menu {
  display: none;
  background: var(--secondary);
  padding: 12px 24px 20px;
  flex-direction: column;
  gap: 6px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-menu a {
  display: block;
  padding: 12px 16px;
  border-radius: 10px;
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
  font-weight: 500;
  transition: all 0.2s ease;
}

.mobile-menu a:hover,
.mobile-menu a.active {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.mobile-menu a.active {
  color: var(--primary-light);
}

/* ===== Page Hero ===== */
.page-hero {
  background: linear-gradient(135deg, #172033 0%, #4A1D24 50%, #D43420 100%);
  position: relative;
  overflow: hidden;
  padding: 80px 0;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.03) 0 1px, transparent 1px 60px),
                    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.03) 0 1px, transparent 1px 60px);
  pointer-events: none;
}

.page-hero::after {
  content: '';
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 138, 0, 0.28) 0%, rgba(255, 138, 0, 0.02) 60%, transparent 70%);
  top: -120px;
  right: -80px;
  pointer-events: none;
}

.page-hero .container {
  position: relative;
  z-index: 2;
  text-align: center;
}

.page-breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 18px;
}

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

.page-breadcrumb a:hover {
  color: #fff;
}

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

.page-hero h1 {
  font-size: 42px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -1px;
  line-height: 1.25;
  margin-bottom: 14px;
}

.page-hero .hero-sub {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.78);
  max-width: 620px;
  margin: 0 auto;
  line-height: 1.8;
}

.hero-badge-row {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.9);
  font-size: 13px;
  font-weight: 500;
  border: 1px solid rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(6px);
}

.hero-badge svg {
  width: 14px;
  height: 14px;
}

.hero-badge .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #FF6B5E;
  box-shadow: 0 0 0 3px rgba(255, 107, 94, 0.25);
}

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

.section-alt {
  background: #fff;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 36px;
  gap: 24px;
}

.section-head-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.section-num {
  font-size: 20px;
  font-weight: 700;
  font-family: "DIN Alternate", "Bebas Neue", "Arial Narrow", sans-serif;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 1px;
}

.section-head h2 {
  font-size: 30px;
  font-weight: 700;
  color: var(--secondary);
  letter-spacing: -0.5px;
  line-height: 1.3;
}

.section-head .section-desc {
  color: var(--text-muted);
  font-size: 14px;
  max-width: 340px;
  text-align: right;
}

/* ===== Filter Bar ===== */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.filter-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.filter-tag {
  padding: 8px 18px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid var(--border);
  color: var(--text-body);
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s ease;
}

.filter-tag:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.filter-tag.active {
  background: var(--primary-gradient);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 12px rgba(244, 63, 51, 0.25);
}

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

.sort-select {
  position: relative;
}

.sort-select select {
  appearance: none;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 9px 36px 9px 14px;
  font-size: 13px;
  background: #fff;
  color: var(--text-body);
  font-family: inherit;
  cursor: pointer;
  transition: border-color 0.2s ease;
}

.sort-select select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255, 138, 0, 0.15);
}

.sort-select::after {
  content: '';
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 7px;
  height: 7px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}

/* ===== Featured Card ===== */
.featured-card {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-soft);
  transition: all var(--transition);
  margin-bottom: 32px;
}

.featured-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(244, 63, 51, 0.25);
}

.featured-card-img {
  position: relative;
  overflow: hidden;
}

.featured-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 260px;
  transition: transform 0.5s ease;
}

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

.featured-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(23, 32, 51, 0.2) 0%, transparent 60%);
}

.card-badges {
  position: absolute;
  top: 16px;
  left: 16px;
  display: flex;
  gap: 8px;
  z-index: 2;
}

.badge-live {
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
  letter-spacing: 0.5px;
}

.badge-tag {
  background: rgba(23, 32, 51, 0.72);
  color: #fff;
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}

.featured-card-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
}

.featured-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.featured-meta .meta-item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.featured-meta svg {
  width: 14px;
  height: 14px;
}

.featured-card h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--secondary);
  line-height: 1.4;
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}

.featured-card p {
  color: var(--text-body);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 16px;
  flex: 1;
}

.featured-stats {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border-soft);
}

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

.stat-item .stat-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--secondary);
  font-family: "DIN Alternate", "Arial Narrow", sans-serif;
}

.stat-item .stat-label {
  font-size: 12px;
  color: var(--text-muted);
}

.featured-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  transition: gap 0.2s ease;
}

.featured-link:hover {
  gap: 10px;
}

.featured-link svg {
  width: 14px;
  height: 14px;
}

/* ===== Card Grid ===== */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.card-item {
  background: #fff;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-soft);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.card-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(244, 63, 51, 0.25);
}

.card-img {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}

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

.card-item:hover .card-img img {
  transform: scale(1.05);
}

.card-img .card-duration {
  position: absolute;
  bottom: 12px;
  right: 12px;
  background: rgba(23, 32, 51, 0.8);
  color: #fff;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 6px;
  backdrop-filter: blur(4px);
  font-family: "DIN Alternate", "Arial Narrow", sans-serif;
}

.card-img .card-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--primary-gradient);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  letter-spacing: 0.5px;
}

.card-body {
  padding: 18px 18px 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.card-meta .badge {
  background: rgba(244, 63, 51, 0.1);
  color: var(--primary);
  padding: 3px 10px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 11px;
}

.card-item h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--secondary);
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.2s ease;
}

.card-item:hover h3 {
  color: var(--primary);
}

.card-item .card-desc {
  font-size: 13px;
  color: var(--text-body);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 14px;
  flex: 1;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-soft);
  padding-top: 12px;
}

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

.card-stats .stat-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  color: var(--text-muted);
}

.card-stats .stat-chip svg {
  width: 13px;
  height: 13px;
}

.card-stats .stat-chip strong {
  font-weight: 600;
  color: var(--secondary);
}

.card-link {
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.2s ease;
}

.card-link:hover {
  gap: 8px;
}

.card-link svg {
  width: 13px;
  height: 13px;
}

/* ===== Pagination ===== */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 48px;
}

.page-btn {
  min-width: 42px;
  height: 42px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-body);
  transition: all 0.2s ease;
}

.page-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-2px);
}

.page-btn.active {
  background: var(--primary-gradient);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 14px rgba(244, 63, 51, 0.3);
}

.page-btn.prev,
.page-btn.next {
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.page-btn svg {
  width: 14px;
  height: 14px;
}

.page-btn.disabled {
  opacity: 0.4;
  pointer-events: none;
}

/* ===== CTA Band ===== */
.cta-band {
  background: linear-gradient(135deg, #172033 0%, #4A1D24 45%, #D43420 100%);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.cta-band::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 138, 0, 0.2) 0%, transparent 70%);
  top: -80px;
  left: -60px;
}

.cta-band::after {
  content: '';
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(244, 63, 51, 0.18) 0%, transparent 70%);
  bottom: -60px;
  right: 10%;
}

.cta-band .container {
  position: relative;
  z-index: 2;
  text-align: center;
}

.cta-band h2 {
  color: #fff;
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.75);
  font-size: 16px;
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

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

/* ===== FAQ ===== */
.faq-section {
  background: #fff;
}

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

.faq-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 22px 26px;
  margin-bottom: 12px;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.faq-item.active {
  border-color: rgba(244, 63, 51, 0.35);
  box-shadow: 0 4px 16px rgba(244, 63, 51, 0.08);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--secondary);
  line-height: 1.5;
}

.faq-icon {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: transform 0.3s ease, background 0.3s ease;
  color: var(--text-muted);
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--primary-gradient);
  border-color: transparent;
  color: #fff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease, opacity 0.3s ease;
  opacity: 0;
  padding-top: 0;
}

.faq-item.active .faq-answer {
  max-height: 240px;
  opacity: 1;
  padding-top: 14px;
}

.faq-answer p {
  color: var(--text-body);
  font-size: 14px;
  line-height: 1.8;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--secondary);
  color: rgba(255, 255, 255, 0.75);
  padding-top: 64px;
}

.footer-main {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

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

.footer-brand .brand-text em {
  color: rgba(255, 255, 255, 0.5);
}

.footer-brand p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.8;
  margin: 18px 0 20px;
  max-width: 340px;
}

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

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  transition: all 0.2s ease;
}

.footer-social a:hover {
  background: var(--primary-gradient);
  color: #fff;
  transform: translateY(-2px);
}

.footer-social svg {
  width: 16px;
  height: 16px;
}

.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}

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

.footer-col ul li a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
  transition: all 0.2s ease;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 24px 0;
}

.footer-bottom .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

.back-top {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--primary-gradient);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(244, 63, 51, 0.4);
  transition: all 0.25s ease;
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 99;
}

.back-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(244, 63, 51, 0.5);
}

.back-top svg {
  width: 18px;
  height: 18px;
}

/* ===== Mobile Responsive ===== */
@media (max-width: 1024px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 767px) {
  .container {
    padding: 0 16px;
  }

  .header-top .container {
    height: 62px;
  }

  .brand-text {
    font-size: 18px;
  }

  .brand-text em {
    font-size: 14px;
  }

  .btn-sm {
    padding: 8px 14px;
    font-size: 13px;
  }

  .nav-list {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .mobile-menu.open {
    display: flex;
  }

  .page-hero {
    padding: 56px 0;
  }

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

  .page-hero .hero-sub {
    font-size: 15px;
  }

  .section {
    padding: 56px 0;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 28px;
  }

  .section-head .section-desc {
    text-align: left;
    max-width: 100%;
  }

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

  .section-num {
    font-size: 17px;
  }

  .featured-card {
    grid-template-columns: 1fr;
  }

  .featured-card-img img {
    min-height: 200px;
  }

  .featured-card-body {
    padding: 20px;
  }

  .featured-card h3 {
    font-size: 19px;
  }

  .filter-bar {
    flex-direction: column;
    align-items: flex-start;
  }

  .filter-tags {
    overflow-x: auto;
    flex-wrap: nowrap;
    width: 100%;
    padding-bottom: 6px;
  }

  .filter-tag {
    flex-shrink: 0;
  }

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

  .card-img .card-tag {
    top: 10px;
    left: 10px;
    font-size: 10px;
  }

  .pagination {
    gap: 6px;
  }

  .page-btn {
    min-width: 36px;
    height: 36px;
    font-size: 13px;
  }

  .cta-band {
    padding: 56px 0;
  }

  .cta-band h2 {
    font-size: 24px;
  }

  .cta-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    padding: 13px 20px;
  }

  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    padding-bottom: 36px;
  }

  .footer-brand {
    grid-column: span 2;
  }

  .footer-bottom .container {
    flex-direction: column;
    text-align: center;
    justify-content: center;
  }

  .faq-item {
    padding: 18px 16px;
  }

  .faq-question {
    font-size: 15px;
  }

  .back-top {
    width: 38px;
    height: 38px;
    right: 20px;
    bottom: 20px;
  }
}

@media (max-width: 520px) {
  .hero-badge-row {
    gap: 8px;
  }

  .hero-badge {
    padding: 6px 12px;
    font-size: 12px;
  }

  .featured-stats {
    gap: 12px;
  }

  .stat-item .stat-value {
    font-size: 17px;
  }

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

  .footer-brand {
    grid-column: span 1;
  }

  .card-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
}

/* roulang page: category3 */
:root {
  --primary: #F43F33;
  --primary-end: #FF8A00;
  --primary-grad: linear-gradient(135deg, #F43F33 0%, #FF8A00 100%);
  --dark: #172033;
  --accent: #00B894;
  --bg: #F7F4F0;
  --card: #FFFFFF;
  --bg-soft: #FDF1EC;
  --text: #4A4F58;
  --text-light: #8A8F98;
  --border: rgba(23,32,51,0.06);
  --radius: 16px;
  --radius-lg: 20px;
  --shadow: 0 2px 8px rgba(23,32,51,0.04);
  --shadow-hover: 0 8px 30px rgba(244,63,51,0.10);
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  --font-num: "DIN Alternate", "Bebas Neue", "Arial Narrow", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.7; font-size: 16px; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input { font-family: inherit; font-size: inherit; border: none; background: none; cursor: pointer; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
/* Header */
.site-header { position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 12px rgba(23,32,51,0.08); }
.header-top { background: #fff; }
.header-top .container { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-icon { width: 38px; height: 38px; border-radius: 12px; background: var(--primary-grad); color: #fff; font-size: 19px; font-weight: 800; display: flex; align-items: center; justify-content: center; box-shadow: 0 4px 12px rgba(244,63,51,0.3); }
.brand-text { font-size: 20px; font-weight: 800; color: var(--dark); letter-spacing: -0.5px; }
.brand-text em { font-style: normal; color: var(--primary); font-weight: 600; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.icon-btn { width: 38px; height: 38px; border-radius: 10px; display: flex; align-items: center; justify-content: center; color: var(--dark); background: var(--bg); transition: all 0.25s ease; }
.icon-btn:hover { background: var(--bg-soft); color: var(--primary); }
.icon-btn svg { width: 18px; height: 18px; }
.header-nav { background: var(--dark); }
.header-nav .container { display: flex; align-items: center; justify-content: space-between; height: 48px; }
.nav-list { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; }
.nav-list::-webkit-scrollbar { display: none; }
.nav-list a { display: block; padding: 10px 18px; font-size: 15px; font-weight: 500; color: rgba(255,255,255,0.82); border-radius: 8px 8px 0 0; transition: all 0.25s ease; position: relative; white-space: nowrap; }
.nav-list a:hover { background: rgba(255,255,255,0.10); color: #fff; }
.nav-list a.active { color: #fff; }
.nav-list a.active::after { content: ''; position: absolute; left: 18px; right: 18px; bottom: 0; height: 3px; border-radius: 3px 3px 0 0; background: var(--primary-grad); }
.menu-toggle { display: none; width: 38px; height: 38px; border-radius: 8px; color: #fff; align-items: center; justify-content: center; }
.menu-toggle:hover { background: rgba(255,255,255,0.10); }
.menu-toggle svg { width: 20px; height: 20px; }
.mobile-menu { display: none; background: var(--dark); border-top: 1px solid rgba(255,255,255,0.06); }
.mobile-menu a { display: block; padding: 14px 24px; color: rgba(255,255,255,0.85); font-size: 15px; border-bottom: 1px solid rgba(255,255,255,0.04); }
.mobile-menu a.active { color: var(--primary-end); background: rgba(255,138,0,0.08); }
.mobile-menu a:last-child { border-bottom: none; }
/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border-radius: 12px; font-weight: 600; font-size: 15px; letter-spacing: 0.3px; padding: 14px 28px; transition: all 0.25s cubic-bezier(0.2,0.8,0.2,1); }
.btn-primary { background: var(--primary-grad); color: #fff; box-shadow: 0 4px 16px rgba(244,63,51,0.25); }
.btn-primary:hover { filter: brightness(1.08); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(244,63,51,0.35); }
.btn-primary:active { transform: scale(0.97); }
.btn-outline { background: transparent; border: 1px solid var(--dark); color: var(--dark); }
.btn-outline:hover { background: var(--dark); color: #fff; transform: translateY(-2px); }
.btn-outline-light { background: transparent; border: 1px solid rgba(255,255,255,0.75); color: #fff; }
.btn-outline-light:hover { background: rgba(255,255,255,0.12); border-color: #fff; }
.btn-sm { padding: 10px 20px; font-size: 14px; border-radius: 10px; }
.btn-lg { padding: 16px 36px; font-size: 16px; border-radius: 14px; }
.btn:focus-visible { outline: 3px solid rgba(255,138,0,0.4); outline-offset: 2px; }
/* Page banner */
.page-banner { position: relative; padding: 84px 0 76px; background: linear-gradient(135deg, #FDF1EC 0%, #F7F4F0 55%, #FFFFFF 100%); overflow: hidden; }
.page-banner::before { content: ''; position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-1.webp'); background-size: cover; background-position: center; opacity: 0.10; }
.page-banner::after { content: ''; position: absolute; width: 420px; height: 420px; border-radius: 50%; background: var(--primary-grad); opacity: 0.08; filter: blur(70px); top: -120px; right: -80px; }
.page-banner .container { position: relative; z-index: 2; }
.page-banner h1 { font-size: 42px; font-weight: 800; letter-spacing: -1px; color: var(--dark); line-height: 1.25; }
.page-banner h1 span { background: var(--primary-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.page-banner p { margin-top: 14px; font-size: 17px; color: var(--text); max-width: 640px; line-height: 1.8; }
.banner-tags { display: flex; gap: 10px; margin-top: 24px; flex-wrap: wrap; }
.tag { display: inline-flex; align-items: center; padding: 6px 14px; border-radius: 999px; font-size: 13px; font-weight: 500; background: rgba(255,255,255,0.9); border: 1px solid rgba(23,32,51,0.08); color: var(--text); transition: all 0.25s ease; }
.tag:hover { border-color: rgba(244,63,51,0.35); color: var(--primary); transform: translateY(-1px); }
.tag.tag-solid { background: var(--primary-grad); color: #fff; border: none; }
/* Section */
.section { padding: 96px 0; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 40px; gap: 24px; }
.section-title-wrap { display: flex; align-items: center; gap: 16px; }
.section-num { font-family: var(--font-num); font-size: 22px; font-weight: 700; color: var(--primary); line-height: 1; letter-spacing: 1px; }
.section-title { font-size: 30px; font-weight: 700; color: var(--dark); letter-spacing: -0.5px; line-height: 1.3; }
.section-desc { color: var(--text-light); font-size: 14px; max-width: 480px; text-align: right; }
.section-title-bar { position: relative; padding-left: 18px; }
.section-title-bar::before { content: ''; position: absolute; left: 0; top: 4px; bottom: 4px; width: 4px; border-radius: 4px; background: var(--primary-grad); }
/* Filter bar */
.filter-bar { display: flex; align-items: center; justify-content: space-between; gap: 16px; background: #fff; border-radius: var(--radius); padding: 14px 18px; border: 1px solid var(--border); box-shadow: var(--shadow); margin-bottom: 32px; flex-wrap: wrap; }
.filter-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-tags a { padding: 8px 16px; border-radius: 999px; font-size: 13px; font-weight: 500; color: var(--text); background: var(--bg); transition: all 0.25s ease; }
.filter-tags a:hover { background: var(--bg-soft); color: var(--primary); }
.filter-tags a.active { background: var(--primary-grad); color: #fff; box-shadow: 0 4px 12px rgba(244,63,51,0.2); }
.sort-select { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-light); }
.sort-select select { border: 1px solid var(--border); border-radius: 8px; padding: 8px 12px; font-size: 13px; color: var(--text); background: #fff; cursor: pointer; outline: none; transition: border-color 0.25s; }
.sort-select select:focus { border-color: var(--primary); }
/* Cards */
.card-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.card { background: var(--card); border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow); overflow: hidden; transition: all 0.25s cubic-bezier(0.2,0.8,0.2,1); display: flex; flex-direction: column; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(244,63,51,0.25); }
.card-img { aspect-ratio: 16/9; overflow: hidden; position: relative; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.45s ease; }
.card:hover .card-img img { transform: scale(1.05); }
.card-body { padding: 18px; display: flex; flex-direction: column; flex: 1; gap: 10px; }
.card-meta { display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--text-light); }
.card-meta .cat-tag { background: var(--bg-soft); color: var(--primary); padding: 3px 10px; border-radius: 999px; font-weight: 600; font-size: 12px; }
.card-title { font-size: 18px; font-weight: 600; color: var(--dark); line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.card-excerpt { font-size: 14px; color: var(--text); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; flex: 1; }
.card-footer { display: flex; align-items: center; justify-content: space-between; padding-top: 12px; border-top: 1px solid rgba(23,32,51,0.05); }
.badge { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 999px; background: rgba(244,63,51,0.10); color: var(--primary); }
.badge.badge-dark { background: var(--dark); color: #fff; }
.badge.badge-green { background: rgba(0,184,148,0.12); color: #00a07f; }
.badge .num { font-family: var(--font-num); font-size: 14px; font-weight: 700; }
.card-link { font-size: 13px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 4px; transition: gap 0.25s; }
.card-link:hover { gap: 8px; }
/* Featured card */
.featured-card { display: grid; grid-template-columns: 2fr 1fr; background: #fff; border-radius: var(--radius-lg); border: 1px solid var(--border); box-shadow: var(--shadow); overflow: hidden; margin-bottom: 24px; transition: all 0.25s ease; }
.featured-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(244,63,51,0.25); }
.featured-card .featured-img { position: relative; min-height: 320px; overflow: hidden; }
.featured-card .featured-img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.45s ease; }
.featured-card:hover .featured-img img { transform: scale(1.03); }
.featured-card .featured-body { padding: 32px; display: flex; flex-direction: column; gap: 14px; justify-content: center; }
.featured-card .card-title { font-size: 24px; line-height: 1.4; -webkit-line-clamp: 3; }
.featured-card .card-excerpt { font-size: 15px; -webkit-line-clamp: 4; }
/* Process */
.process-section { background: #fff; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; }
.process-item { position: relative; padding: 28px; border-radius: var(--radius); background: var(--bg); border: 1px solid var(--border); transition: all 0.3s ease; }
.process-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(244,63,51,0.3); background: #fff; }
.process-num { font-family: var(--font-num); font-size: 34px; font-weight: 700; background: var(--primary-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; line-height: 1; }
.process-item h3 { font-size: 17px; font-weight: 600; color: var(--dark); margin: 16px 0 8px; }
.process-item p { font-size: 14px; color: var(--text-light); line-height: 1.7; }
.process-arrow { position: absolute; top: 50%; right: -22px; transform: translateY(-50%); color: var(--text-light); font-size: 20px; z-index: 2; }
/* Scenario */
.scenario-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.scenario-card { background: #fff; border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow); padding: 32px; text-align: center; transition: all 0.3s ease; position: relative; overflow: hidden; }
.scenario-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: var(--primary-grad); opacity: 0; transition: opacity 0.3s ease; }
.scenario-card:hover::before { opacity: 1; }
.scenario-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.scenario-icon { width: 56px; height: 56px; border-radius: 16px; background: var(--bg-soft); display: flex; align-items: center; justify-content: center; margin: 0 auto 18px; color: var(--primary); }
.scenario-icon svg { width: 26px; height: 26px; }
.scenario-card h3 { font-size: 18px; font-weight: 600; color: var(--dark); margin-bottom: 10px; }
.scenario-card p { font-size: 14px; color: var(--text-light); line-height: 1.75; }
/* Stats */
.stats-section { background: var(--dark); color: #fff; position: relative; overflow: hidden; }
.stats-section::before { content: ''; position: absolute; width: 500px; height: 500px; border-radius: 50%; background: var(--primary-grad); opacity: 0.15; filter: blur(90px); top: -200px; right: -100px; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; position: relative; z-index: 2; }
.stat-item { text-align: center; padding: 20px; }
.stat-num { font-family: var(--font-num); font-size: 52px; font-weight: 700; background: var(--primary-grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; line-height: 1.2; }
.stat-label { font-size: 14px; color: rgba(255,255,255,0.65); margin-top: 8px; }
/* CTA */
.cta-section { padding: 96px 0; }
.cta-card { background: linear-gradient(130deg, #172033 0%, #4a1d24 50%, #d43420 100%); border-radius: 24px; padding: 64px; text-align: center; position: relative; overflow: hidden; }
.cta-card::before { content: ''; position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-3.webp'); background-size: cover; background-position: center; opacity: 0.12; }
.cta-card .container { position: relative; z-index: 2; max-width: 720px; }
.cta-card h2 { font-size: 34px; font-weight: 800; color: #fff; letter-spacing: -0.5px; line-height: 1.3; }
.cta-card p { color: rgba(255,255,255,0.75); font-size: 16px; margin: 16px 0 32px; line-height: 1.8; }
.cta-form { display: flex; gap: 12px; max-width: 520px; margin: 0 auto; flex-wrap: wrap; }
.cta-form input { flex: 1; min-width: 240px; height: 50px; border-radius: 12px; border: 1px solid rgba(255,255,255,0.2); background: rgba(255,255,255,0.95); padding: 0 18px; font-size: 15px; color: var(--dark); outline: none; transition: all 0.25s; }
.cta-form input::placeholder { color: #A0A5AD; }
.cta-form input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(255,138,0,0.3); }
.cta-form .btn { height: 50px; }
.cta-note { font-size: 13px; color: rgba(255,255,255,0.55); margin-top: 14px; }
/* FAQ */
.faq-list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 20px 24px; transition: border-color 0.3s ease; }
.faq-item.open { border-color: rgba(244,63,51,0.25); }
.faq-q { display: flex; align-items: center; justify-content: space-between; cursor: pointer; font-size: 16px; font-weight: 600; color: var(--dark); gap: 16px; }
.faq-q .faq-icon { position: relative; width: 28px; height: 28px; border-radius: 50%; background: var(--bg); flex-shrink: 0; transition: transform 0.3s ease, background 0.3s; }
.faq-q .faq-icon::before { content: '+'; position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 400; color: var(--text-light); transition: all 0.3s; }
.faq-item.open .faq-icon { background: var(--bg-soft); transform: rotate(45deg); }
.faq-item.open .faq-icon::before { color: var(--primary); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; font-size: 14px; color: var(--text); line-height: 1.75; }
.faq-item.open .faq-a { max-height: 200px; padding-top: 12px; }
/* Pagination */
.pagination { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 48px; }
.page-btn { width: 42px; height: 42px; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 600; background: #fff; border: 1px solid var(--border); color: var(--text); transition: all 0.25s ease; }
.page-btn:hover { border-color: rgba(244,63,51,0.4); color: var(--primary); transform: translateY(-2px); }
.page-btn.active { background: var(--primary-grad); color: #fff; border-color: transparent; box-shadow: 0 4px 14px rgba(244,63,51,0.25); }
.page-btn.prev, .page-btn.next { width: auto; padding: 0 18px; }
/* Footer */
.site-footer { background: var(--dark); color: rgba(255,255,255,0.7); padding-top: 64px; margin-top: 0; }
.footer-main { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 48px; }
.footer-brand .brand-text { color: #fff; }
.footer-brand p { font-size: 14px; line-height: 1.8; margin-top: 16px; color: rgba(255,255,255,0.55); max-width: 320px; }
.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a { width: 38px; height: 38px; border-radius: 10px; background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.6); transition: all 0.25s ease; }
.footer-social a:hover { background: var(--primary-grad); color: #fff; transform: translateY(-2px); }
.footer-social svg { width: 18px; height: 18px; }
.footer-col h4 { font-size: 14px; font-weight: 600; color: #fff; margin-bottom: 16px; }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 13px; color: rgba(255,255,255,0.55); transition: all 0.25s ease; }
.footer-col a:hover { color: var(--primary-end); padding-left: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 20px 0; display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: rgba(255,255,255,0.4); flex-wrap: wrap; gap: 10px; }
/* Back to top */
.back-top { position: fixed; bottom: 32px; right: 32px; width: 46px; height: 46px; border-radius: 50%; background: var(--primary-grad); color: #fff; display: flex; align-items: center; justify-content: center; box-shadow: 0 6px 20px rgba(244,63,51,0.35); opacity: 0; visibility: hidden; transition: all 0.3s ease; z-index: 99; }
.back-top.show { opacity: 1; visibility: visible; }
.back-top:hover { transform: translateY(-4px); }
.back-top svg { width: 20px; height: 20px; }
/* Responsive */
@media (max-width: 1024px) {
  .card-grid { grid-template-columns: repeat(3, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 32px; }
  .featured-card { grid-template-columns: 1.5fr 1fr; }
}
@media (max-width: 768px) {
  .container { padding: 0 18px; }
  .section { padding: 60px 0; }
  .nav-list { display: none; }
  .menu-toggle { display: flex; }
  .mobile-menu.open { display: block; max-height: 400px; overflow-y: auto; }
  .page-banner { padding: 56px 0 48px; }
  .page-banner h1 { font-size: 30px; }
  .page-banner p { font-size: 15px; }
  .card-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .process-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .process-arrow { display: none; }
  .scenario-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .section-title { font-size: 24px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 12px; }
  .section-desc { text-align: left; }
  .footer-main { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cta-card { padding: 40px 24px; border-radius: 18px; }
  .cta-card h2 { font-size: 26px; }
  .cta-form { flex-direction: column; }
  .cta-form input { width: 100%; }
  .cta-form .btn { width: 100%; }
  .featured-card { grid-template-columns: 1fr; }
  .featured-card .featured-img { min-height: 200px; }
  .featured-card .featured-body { padding: 24px; }
  .featured-card .card-title { font-size: 20px; }
  .filter-bar { flex-direction: column; align-items: stretch; }
  .sort-select { justify-content: flex-end; }
  .pagination { flex-wrap: wrap; }
  .back-top { bottom: 20px; right: 20px; }
}
@media (max-width: 520px) {
  .card-grid { grid-template-columns: 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-num { font-size: 38px; }
  .header-top .container { height: 56px; }
  .brand-text { font-size: 17px; }
  .brand-icon { width: 32px; height: 32px; font-size: 16px; }
  .icon-btn { display: none; }
  .page-banner h1 { font-size: 26px; }
  .featured-card .card-title { font-size: 18px; }
  .process-item { padding: 20px; }
  .btns-row { flex-direction: column; align-items: stretch; }
  .btns-row .btn { width: 100%; }
}