/* roulang page: index */
:root{
  --night-900:#0c102a;--night-800:#151b3d;--night-700:#1c2550;
  --brand-300:#19d3ff;--brand-500:#7b5cff;--amber2:#ffb454;
  --text-main:#e8ecff;--text-sub:#a6b0d6;--border-subtle:rgba(255,255,255,0.08);
  --radius-card:20px;--radius-md:16px;--radius-pill:999px;
  --shadow-card:0 8px 30px rgba(0,0,0,0.35);
  --shadow-hover:0 16px 44px rgba(0,0,0,0.5);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Inter","SF Pro Display",Arial,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-cn);background:var(--night-900);color:var(--text-main);line-height:1.75;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
a,button{transition:all .25s ease}
:focus-visible{outline:2px solid var(--amber2);outline-offset:3px;border-radius:6px}
.container{max-width:1280px;margin-left:auto;margin-right:auto;padding-left:1rem;padding-right:1rem}
.section{padding-top:88px;padding-bottom:88px}
.section-title{font-size:clamp(1.5rem,2.5vw,2.2rem);font-weight:700;line-height:1.2;color:#fff}
.section-sub{color:var(--text-sub);margin-top:8px}
.text-sub{color:var(--text-sub)}
.font-num{font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* header */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;transition:background .3s,box-shadow .3s}
.site-header.scrolled{background:rgba(12,16,42,.92);box-shadow:0 12px 40px rgba(0,0,0,.55);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.nav-channel{scrollbar-width:none;-webkit-overflow-scrolling:touch}
.nav-channel::-webkit-scrollbar{display:none}
.channel-link{white-space:nowrap;padding:6px 16px;border-radius:999px;font-size:.875rem;font-weight:500;color:#a6b0d6;display:inline-flex;align-items:center;gap:6px}
.channel-link:hover{color:#fff;background:rgba(255,255,255,.08)}
.channel-link.active{color:#0c102a;background:linear-gradient(135deg,var(--brand-300),var(--brand-500));font-weight:600}

/* hero */
.hero-section{position:relative;min-height:580px;display:flex;align-items:center;padding-top:176px;padding-bottom:104px}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(105deg,rgba(12,16,42,.95) 10%,rgba(12,16,42,.78) 45%,rgba(12,16,42,.45) 100%)}
.hero-data-card{background:linear-gradient(135deg,rgba(21,27,61,.94),rgba(21,27,61,.82));border:1px solid rgba(255,255,255,.1);border-radius:18px;box-shadow:var(--shadow-card);backdrop-filter:blur(6px)}

/* badges */
.data-badge-card{background:var(--night-800);border:1px solid var(--border-subtle);border-radius:18px;padding:22px 20px;box-shadow:var(--shadow-card);transition:transform .3s,box-shadow .3s,border-color .3s}
.data-badge-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:rgba(255,180,84,.35)}
.data-badge-icon{width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex-shrink:0}

/* cards */
.card-item{background:var(--night-800);border:1px solid var(--border-subtle);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);transition:transform .35s,box-shadow .35s,border-color .35s;display:flex;flex-direction:column}
.card-item:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:rgba(25,211,255,.32)}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#1c2550,#151b3d)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.card-item:hover .card-cover img{transform:scale(1.05)}
.card-cover-mask{position:absolute;inset:0;background:linear-gradient(to top,rgba(12,16,42,.8),transparent 55%)}
.badge-chip{display:inline-flex;align-items:center;gap:5px;padding:4px 12px;border-radius:999px;font-size:.78rem;font-weight:600}
.badge-chip-amber{background:rgba(255,180,84,.15);color:var(--amber2);border:1px solid rgba(255,180,84,.28)}
.badge-chip-brand{background:linear-gradient(135deg,rgba(25,211,255,.18),rgba(123,92,255,.18));color:var(--brand-300);border:1px solid rgba(25,211,255,.28)}

/* buttons */
.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:linear-gradient(135deg,var(--brand-300),var(--brand-500));color:#0c102a;font-weight:600;border:none;border-radius:999px;padding:12px 28px;cursor:pointer;transition:filter .3s,transform .3s,box-shadow .3s}
.btn-primary:hover{filter:brightness(1.12);transform:translateY(-2px);box-shadow:0 14px 32px rgba(25,211,255,.28)}
.btn-primary:active{transform:scale(.97)}
.btn-outline{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid rgba(255,255,255,.28);color:#fff;background:transparent;border-radius:999px;padding:12px 28px;cursor:pointer;transition:background .3s,border-color .3s,transform .3s}
.btn-outline:hover{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.45)}
.btn-outline:active{transform:scale(.97)}
.btn-small{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:999px;font-size:.875rem;font-weight:600}
.btn-brand-small{background:linear-gradient(135deg,var(--brand-300),var(--brand-500));color:#0c102a}
.btn-ghost-small{border:1px solid rgba(255,255,255,.22);color:#fff}
.btn-ghost-small:hover{background:rgba(255,255,255,.09)}

/* list cards */
.list-item-card{background:var(--night-800);border:1px solid var(--border-subtle);border-radius:18px;overflow:hidden;transition:border-color .3s,box-shadow .3s,transform .3s;display:flex}
.list-item-card:hover{border-color:rgba(25,211,255,.32);box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.list-thumb{width:140px;min-height:104px;object-fit:cover;flex-shrink:0;background:linear-gradient(135deg,#1c2550,#151b3d)}
@media (max-width:640px){
  .list-item-card{flex-direction:column}
  .list-thumb{width:100%;height:140px}
}

/* faq */
.faq-item{border:1px solid rgba(255,255,255,.1);border-radius:var(--radius-md);background:var(--night-800);overflow:hidden;margin-bottom:12px;transition:border-color .35s,background .35s}
.faq-item.open{border-color:rgba(25,211,255,.45);background:linear-gradient(135deg,rgba(25,211,255,.07),rgba(123,92,255,.04)),var(--night-800)}
.faq-q{padding:18px 20px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#fff}
.faq-icon{width:26px;height:26px;border-radius:50%;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;font-size:.8rem;transition:transform .4s,background .3s;flex-shrink:0;color:var(--text-sub)}
.faq-item.open .faq-icon{transform:rotate(45deg);background:linear-gradient(135deg,var(--brand-300),var(--brand-500));color:#0c102a}
.faq-a{max-height:0;overflow:hidden;color:var(--text-sub);padding:0 20px;transition:max-height .4s ease,padding .3s}
.faq-item.open .faq-a{max-height:400px;padding-bottom:20px}

/* CTA */
.cta-gradient{background:linear-gradient(120deg,#19d3ff,#7b5cff)}
.cta-panel{border-radius:22px;overflow:hidden;position:relative;background-size:cover;background-position:center}
.cta-panel:after{content:'';position:absolute;inset:0;background:linear-gradient(110deg,rgba(12,16,42,.92),rgba(21,27,61,.55));z-index:1}
.cta-panel>*{position:relative;z-index:2}

/* footer */
.footer{border-top:1px solid rgba(255,255,255,.08);background:#0a0e24;padding-top:64px;padding-bottom:28px}
.footer-title{font-size:1rem;font-weight:600;color:#fff;margin-bottom:14px}
.footer-link{display:block;color:var(--text-sub);font-size:.9rem;padding:4px 0;transition:color .25s,padding-left .25s}
.footer-link:hover{color:var(--brand-300);padding-left:4px}

/* misc */
.divider{height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.12),transparent)}
.text-gradient{background:linear-gradient(135deg,var(--brand-300),var(--brand-500));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.empty-state{border:1px dashed rgba(255,255,255,.22);border-radius:18px;padding:38px 20px;text-align:center;color:var(--text-sub);background:rgba(255,255,255,.02)}
.nav-cta-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:999px;font-size:.875rem;font-weight:600;background:linear-gradient(135deg,var(--brand-300),var(--brand-500));color:#0c102a}
.nav-cta-btn:hover{filter:brightness(1.12);transform:translateY(-1px);box-shadow:0 8px 24px rgba(25,211,255,.3)}

@media (max-width:768px){
  .section{padding-top:64px;padding-bottom:64px}
  .hero-section{min-height:500px;padding-top:164px;padding-bottom:84px}
}
@media (max-width:520px){
  .hero-section{min-height:460px;padding-top:150px;padding-bottom:66px}
  .hero-badge-small{font-size:.75rem}
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --bg-night: #0c102a;
            --bg-card: #151b3d;
            --bg-card-hover: #1c2550;
            --brand-cyan: #19d3ff;
            --brand-violet: #7b5cff;
            --amber: #ffb454;
            --text-main: #e8ecff;
            --text-sub: #a6b0d6;
            --border-light: rgba(255, 255, 255, 0.10);
            --radius-lg: 18px;
            --radius-md: 12px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.35);
            --shadow-hover: 0 14px 40px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(25, 211, 255, 0.15);
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            scroll-padding-top: 130px;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg-night);
            color: var(--text-main);
            line-height: 1.75;
            letter-spacing: 0.01em;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }
        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }
        input {
            font-family: inherit;
            outline: none;
        }
        .container {
            max-width: 80rem;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        .text-sub {
            color: var(--text-sub);
        }
        .divider {
            border: none;
            height: 1px;
            background: var(--border-light);
        }
        :focus-visible {
            outline: 2px solid var(--amber);
            outline-offset: 3px;
            border-radius: 6px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            transition: box-shadow 0.3s ease, background 0.3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
        }
        .bg-night-900\/95 {
            background: rgba(12, 16, 42, 0.95);
        }
        .nav-channel {
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-channel::-webkit-scrollbar {
            display: none;
        }
        .channel-link {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.55rem 1rem;
            border-radius: 999px;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-sub);
            border: 1px solid transparent;
            transition: all 0.25s ease;
            white-space: nowrap;
        }
        .channel-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
            border-color: var(--border-light);
        }
        .channel-link.active {
            color: #0a0f26;
            background: linear-gradient(135deg, var(--brand-cyan), var(--brand-violet));
            font-weight: 600;
            box-shadow: 0 6px 20px rgba(25, 211, 255, 0.25);
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            padding: 0.5rem 1.15rem;
            border-radius: 999px;
            font-size: 0.875rem;
            font-weight: 600;
            color: #0a0f26;
            background: linear-gradient(135deg, var(--brand-cyan), var(--brand-violet));
            box-shadow: 0 4px 16px rgba(25, 211, 255, 0.30);
            transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
        }
        .nav-cta-btn:hover {
            transform: translateY(-1px);
            filter: brightness(1.1);
            box-shadow: 0 8px 24px rgba(25, 211, 255, 0.4);
        }
        .nav-cta-btn:active {
            transform: scale(0.98);
        }

        /* ===== Hero 分类封面 ===== */
        .cat-hero {
            position: relative;
            min-height: 540px;
            display: flex;
            align-items: center;
            padding: 170px 0 90px;
            overflow: hidden;
        }
        .cat-hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            transform: scale(1.05);
        }
        .cat-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg,
                    rgba(12, 16, 42, 0.92) 0%,
                    rgba(12, 16, 42, 0.82) 45%,
                    rgba(12, 16, 42, 0.96) 100%);
        }
        .cat-hero-overlay::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 50%, rgba(25, 211, 255, 0.15), transparent 60%),
                radial-gradient(ellipse at 85% 85%, rgba(123, 92, 255, 0.15), transparent 55%);
            pointer-events: none;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 180, 84, 0.14);
            border: 1px solid rgba(255, 180, 84, 0.45);
            color: var(--amber);
            padding: 0.4rem 1rem;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: 1.4rem;
            backdrop-filter: blur(6px);
        }
        .hero-title {
            font-size: clamp(2.2rem, 4vw, 3.4rem);
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
            margin-bottom: 1.2rem;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.45);
        }
        .hero-title .gradient-text {
            background: linear-gradient(135deg, var(--brand-cyan), var(--brand-violet));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .hero-sub {
            font-size: 1.06rem;
            color: var(--text-sub);
            max-width: 640px;
            margin-bottom: 2rem;
            line-height: 1.8;
        }

        /* ===== 按钮 ===== */
        .btn-primary,
        .btn-secondary,
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.8rem 1.7rem;
            border-radius: 999px;
            font-size: 0.95rem;
            font-weight: 600;
            transition: all 0.25s ease;
            border: 1px solid transparent;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--brand-cyan), var(--brand-violet));
            color: #0a0f26;
            box-shadow: 0 6px 22px rgba(25, 211, 255, 0.28);
        }
        .btn-primary:hover {
            filter: brightness(1.1);
            transform: translateY(-1px);
            box-shadow: 0 10px 30px rgba(25, 211, 255, 0.38);
        }
        .btn-primary:active {
            transform: scale(0.98);
        }
        .btn-secondary {
            background: rgba(255, 255, 255, 0.06);
            color: #e8ecff;
            border-color: rgba(255, 255, 255, 0.16);
            backdrop-filter: blur(6px);
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.10);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.3);
            transform: translateY(-1px);
        }
        .btn-outline {
            border-color: rgba(25, 211, 255, 0.5);
            color: var(--brand-cyan);
            background: rgba(25, 211, 255, 0.06);
        }
        .btn-outline:hover {
            background: rgba(25, 211, 255, 0.12);
            color: #fff;
            border-color: var(--brand-cyan);
            transform: translateY(-1px);
        }
        .btn-sm {
            padding: 0.55rem 1.2rem;
            font-size: 0.85rem;
        }
        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-sub);
            padding: 0.5rem 0.8rem;
            border-radius: 999px;
            transition: all 0.2s ease;
        }
        .btn-text:hover {
            color: var(--brand-cyan);
            background: rgba(25, 211, 255, 0.08);
        }

        /* ===== 数据徽章行 ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
            background: rgba(21, 27, 61, 0.85);
            border: 1px solid var(--border-light);
            border-radius: 20px;
            padding: 1.5rem 1.8rem;
            backdrop-filter: blur(12px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
        }
        .stat-card {
            display: flex;
            align-items: center;
            gap: 0.9rem;
            padding: 0.6rem 1rem;
            border-radius: 14px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: background 0.25s ease, border-color 0.25s ease, transform 0.25s ease;
        }
        .stat-card:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 180, 84, 0.35);
            transform: translateY(-2px);
        }
        .stat-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.05rem;
            flex-shrink: 0;
        }
        .stat-icon.amber {
            background: linear-gradient(135deg, rgba(255, 180, 84, 0.25), rgba(255, 180, 84, 0.08));
            color: var(--amber);
            border: 1px solid rgba(255, 180, 84, 0.3);
        }
        .stat-icon.cyan {
            background: linear-gradient(135deg, rgba(25, 211, 255, 0.25), rgba(25, 211, 255, 0.06));
            color: var(--brand-cyan);
            border: 1px solid rgba(25, 211, 255, 0.3);
        }
        .stat-icon.purple {
            background: linear-gradient(135deg, rgba(123, 92, 255, 0.25), rgba(123, 92, 255, 0.06));
            color: var(--brand-violet);
            border: 1px solid rgba(123, 92, 255, 0.3);
        }
        .stat-num {
            font-family: "Inter", "SF Pro Display", Arial, sans-serif;
            font-size: 1.25rem;
            font-weight: 700;
            line-height: 1.3;
            font-variant-numeric: tabular-nums;
            color: #fff;
        }
        .stat-label {
            font-size: 0.78rem;
            color: var(--text-sub);
            margin-top: 0.15rem;
        }

        /* ===== 区块标题 ===== */
        .section-head {
            margin-bottom: 2.4rem;
        }
        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.14em;
            text-transform: uppercase;
            color: var(--brand-cyan);
            margin-bottom: 0.6rem;
        }
        .section-head h2 {
            font-size: clamp(1.5rem, 2.5vw, 2.1rem);
            font-weight: 700;
            line-height: 1.25;
            color: #fff;
            margin-bottom: 0.6rem;
        }
        .section-head p {
            color: var(--text-sub);
            font-size: 0.95rem;
            max-width: 600px;
        }

        /* ===== 筛选标签 ===== */
        .filter-bar {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-bottom: 2.5rem;
        }
        .filter-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            padding: 0.55rem 1.2rem;
            border-radius: 999px;
            font-size: 0.875rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: var(--text-sub);
            transition: all 0.25s ease;
        }
        .filter-tag:hover {
            color: #fff;
            border-color: rgba(25, 211, 255, 0.4);
            background: rgba(25, 211, 255, 0.08);
        }
        .filter-tag.active {
            background: linear-gradient(135deg, rgba(255, 180, 84, 0.18), rgba(255, 180, 84, 0.08));
            border-color: rgba(255, 180, 84, 0.45);
            color: var(--amber);
            font-weight: 600;
        }

        /* ===== 内容卡片 ===== */
        .content-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
            height: 100%;
        }
        .content-card:hover {
            transform: translateY(-4px);
            border-color: rgba(25, 211, 255, 0.25);
            box-shadow: var(--shadow-hover);
        }
        .card-cover-wrap {
            position: relative;
            overflow: hidden;
            min-height: 210px;
            background: linear-gradient(135deg, #1c2550, #0c102a);
        }
        .card-cover {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 210px;
            transition: transform 0.5s ease;
        }
        .content-card:hover .card-cover {
            transform: scale(1.04);
        }
        .card-cover-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.35rem 0.9rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(12, 16, 42, 0.8);
            backdrop-filter: blur(8px);
            color: var(--amber);
            border: 1px solid rgba(255, 180, 84, 0.35);
        }
        .card-body {
            padding: 1.6rem 1.6rem 1.4rem;
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        .card-body h3 {
            font-size: 1.2rem;
            font-weight: 650;
            color: #fff;
            line-height: 1.4;
            margin-bottom: 0.6rem;
        }
        .card-body p {
            color: var(--text-sub);
            font-size: 0.92rem;
            line-height: 1.7;
            flex-grow: 1;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.28rem 0.8rem;
            border-radius: 999px;
            font-size: 0.76rem;
            font-weight: 600;
            background: rgba(25, 211, 255, 0.10);
            border: 1px solid rgba(25, 211, 255, 0.28);
            color: var(--brand-cyan);
        }
        .badge.amber {
            background: rgba(255, 180, 84, 0.10);
            border-color: rgba(255, 180, 84, 0.28);
            color: var(--amber);
        }
        .badge.violet {
            background: rgba(123, 92, 255, 0.12);
            border-color: rgba(123, 92, 255, 0.3);
            color: #b7a5ff;
        }
        .card-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem 1.4rem;
            margin-top: 1.1rem;
            padding-top: 1rem;
            border-top: 1px solid rgba(255, 255, 255, 0.07);
            font-size: 0.82rem;
            color: var(--text-sub);
        }
        .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-family: "Inter", "PingFang SC", sans-serif;
            font-variant-numeric: tabular-nums;
        }
        .card-actions {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            margin-top: 1.2rem;
        }

        /* ===== 卖点卡片 ===== */
        .feature-card {
            background: linear-gradient(180deg, rgba(21, 27, 61, 0.9), rgba(21, 27, 61, 0.6));
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 1.8rem 1.6rem;
            transition: all 0.3s ease;
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--brand-cyan), var(--brand-violet));
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .feature-card:hover {
            transform: translateY(-3px);
            border-color: rgba(255, 180, 84, 0.25);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 13px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin-bottom: 1.1rem;
            background: linear-gradient(135deg, rgba(25, 211, 255, 0.2), rgba(123, 92, 255, 0.15));
            border: 1px solid rgba(25, 211, 255, 0.25);
            color: var(--brand-cyan);
        }
        .feature-card h3 {
            font-size: 1.06rem;
            font-weight: 650;
            color: #fff;
            margin-bottom: 0.5rem;
        }
        .feature-card p {
            font-size: 0.88rem;
            color: var(--text-sub);
            line-height: 1.65;
        }

        /* ===== 流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
        }
        .step-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 1.6rem 1.4rem;
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
        }
        .step-card:hover {
            border-color: rgba(255, 180, 84, 0.3);
            transform: translateY(-3px);
        }
        .step-num {
            width: 52px;
            height: 52px;
            margin: 0 auto 1rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 700;
            font-family: "Inter", sans-serif;
            background: linear-gradient(135deg, var(--brand-cyan), var(--brand-violet));
            color: #0a0f26;
            box-shadow: 0 6px 22px rgba(25, 211, 255, 0.3);
        }
        .step-card h3 {
            font-size: 1rem;
            font-weight: 650;
            color: #fff;
            margin-bottom: 0.4rem;
        }
        .step-card p {
            font-size: 0.84rem;
            color: var(--text-sub);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 768px;
            margin-left: auto;
            margin-right: auto;
        }
        .faq-item {
            background: rgba(21, 27, 61, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 14px;
            margin-bottom: 0.9rem;
            overflow: hidden;
            transition: border-color 0.3s ease, background 0.3s ease;
        }
        .faq-item.open {
            background: rgba(25, 211, 255, 0.07);
            border-color: rgba(25, 211, 255, 0.35);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            padding: 1.15rem 1.3rem;
            text-align: left;
            font-size: 0.96rem;
            font-weight: 600;
            color: #e8ecff;
            transition: color 0.2s ease;
        }
        .faq-question:hover {
            color: var(--brand-cyan);
        }
        .faq-q-icon {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            background: rgba(255, 255, 255, 0.06);
            color: var(--brand-cyan);
            transition: all 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-q-icon {
            background: var(--amber);
            color: #0a0f26;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }
        .faq-answer-inner {
            padding: 0 1.3rem 1.2rem;
            font-size: 0.9rem;
            color: var(--text-sub);
            line-height: 1.75;
        }

        /* ===== CTA ===== */
        .cta-box {
            position: relative;
            border-radius: 22px;
            padding: 3.2rem 2.5rem;
            overflow: hidden;
            background: linear-gradient(135deg, rgba(25, 211, 255, 0.22), rgba(123, 92, 255, 0.28));
            border: 1px solid rgba(25, 211, 255, 0.25);
            text-align: center;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
        }
        .cta-box::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 20%, rgba(25, 211, 255, 0.2), transparent 60%),
                radial-gradient(ellipse at 80% 85%, rgba(123, 92, 255, 0.25), transparent 55%);
            pointer-events: none;
        }
        .cta-box h2 {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.8rem;
            position: relative;
            z-index: 1;
        }
        .cta-box p {
            color: rgba(232, 236, 255, 0.85);
            max-width: 560px;
            margin: 0 auto 1.8rem;
            font-size: 1rem;
            position: relative;
            z-index: 1;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.9rem;
            position: relative;
            z-index: 1;
        }

        /* ===== 相关推荐 ===== */
        .rec-card {
            display: flex;
            align-items: center;
            gap: 1rem;
            background: rgba(21, 27, 61, 0.65);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 14px;
            padding: 1rem 1.2rem;
            transition: all 0.25s ease;
        }
        .rec-card:hover {
            border-color: rgba(25, 211, 255, 0.3);
            background: rgba(21, 27, 61, 0.9);
            transform: translateX(4px);
        }
        .rec-icon {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(25, 211, 255, 0.2), rgba(123, 92, 255, 0.15));
            border: 1px solid rgba(25, 211, 255, 0.2);
            color: var(--brand-cyan);
            font-size: 1rem;
            flex-shrink: 0;
        }
        .rec-card .rec-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            line-height: 1.4;
        }
        .rec-card .rec-desc {
            font-size: 0.8rem;
            color: var(--text-sub);
        }

        /* ===== 页脚 ===== */
        .footer {
            background: #0a0e24;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 3.5rem;
            padding-bottom: 2rem;
            margin-top: 4rem;
        }
        .footer-title {
            font-size: 0.95rem;
            font-weight: 650;
            color: #fff;
            margin-bottom: 1rem;
        }
        .footer-link {
            display: block;
            font-size: 0.88rem;
            color: var(--text-sub);
            padding: 0.32rem 0;
            transition: color 0.2s ease, padding-left 0.2s ease;
        }
        .footer-link:hover {
            color: var(--brand-cyan);
            padding-left: 4px;
        }

        /* ===== 推荐网格 ===== */
        .rec-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .cat-hero {
                min-height: 480px;
                padding: 150px 0 70px;
            }
            .hero-sub {
                font-size: 0.96rem;
            }
            .stats-row {
                padding: 1.2rem 1rem;
                gap: 0.8rem;
            }
            .stat-card {
                padding: 0.7rem 0.9rem;
            }
            .rec-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 520px) {
            .cat-hero {
                padding: 135px 0 60px;
            }
            .hero-badge {
                font-size: 0.72rem;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                border-radius: 16px;
            }
            .stat-icon {
                width: 36px;
                height: 36px;
                font-size: 0.9rem;
            }
            .stat-num {
                font-size: 1.05rem;
            }
            .stat-label {
                font-size: 0.72rem;
            }
            .section-head h2 {
                font-size: 1.45rem;
            }
            .card-body {
                padding: 1.3rem;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .cta-box {
                padding: 2.4rem 1.5rem;
            }
            .cta-actions .btn-primary,
            .cta-actions .btn-outline {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: article */
:root {
  --night-900: #0c102a;
  --night-800: #151b3d;
  --night-700: #1c2550;
  --brand-300: #19d3ff;
  --brand-500: #7b5cff;
  --amber2: #ffb454;
  --text-main: #e8ecff;
  --text-sub: #a6b0d6;
  --border-white: rgba(255,255,255,0.10);
  --border-strong: rgba(255,255,255,0.16);
  --radius-xl: 20px;
  --radius-lg: 16px;
  --radius-full: 999px;
  --shadow-card: 0 8px 30px rgba(0,0,0,0.35);
  --shadow-hover: 0 16px 44px rgba(0,0,0,0.45);
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background-color: #0c102a;
  background-image: radial-gradient(rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 26px 26px;
  color: var(--text-main);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.2s ease, border-color 0.2s ease; }
button { font-family: inherit; cursor: pointer; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--amber2); outline-offset: 2px; border-radius: 8px; }
.container { max-width: 1200px; margin: 0 auto; padding-left: 16px; padding-right: 16px; }
.divider { height: 1px; background: var(--border-white); border: none; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 50; transition: box-shadow 0.3s ease; }
.site-header.scrolled .header-inner { background: rgba(12,16,42,0.92); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); box-shadow: 0 10px 34px rgba(0,0,0,0.35); }
.nav-channel::-webkit-scrollbar { display: none; }
.nav-channel { scrollbar-width: none; }
.channel-link {
  display: inline-flex; align-items: center; gap: 0.4rem;
  padding: 0.48rem 1.05rem; border-radius: 999px;
  font-size: 0.9rem; color: var(--text-sub);
  white-space: nowrap; transition: all 0.25s ease;
  border: 1px solid transparent;
}
.channel-link i { opacity: 0.75; font-size: 0.8rem; }
.channel-link:hover { color: #ffffff; background: rgba(255,255,255,0.06); }
.channel-link.active {
  color: #0c102a; font-weight: 600;
  background: linear-gradient(135deg, var(--brand-300), var(--brand-500));
  box-shadow: 0 4px 20px rgba(25,211,255,0.22);
}
.nav-cta-btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.55rem 1.15rem; border-radius: 999px;
  font-size: 0.875rem; font-weight: 600; color: #0c102a;
  background: linear-gradient(135deg, var(--brand-300), var(--brand-500));
  box-shadow: 0 4px 20px rgba(25,211,255,0.25);
  transition: all 0.25s ease;
}
.nav-cta-btn:hover { transform: translateY(-2px); filter: brightness(1.1); box-shadow: 0 8px 30px rgba(123,92,255,0.35); }
.nav-cta-btn:active { transform: scale(0.97); }

/* Article banner */
.article-banner { position: relative; padding: 3.4rem 0 3.2rem; overflow: hidden; background-image: url('/assets/images/backpic/back-2.webp'); background-size: cover; background-position: center; }
.article-banner::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(12,16,42,0.97) 0%, rgba(21,27,61,0.84) 45%, rgba(28,37,80,0.72) 100%); z-index: 0; }
.article-banner .container { position: relative; z-index: 1; }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 0.45rem; font-size: 0.85rem; color: var(--text-sub); margin-bottom: 1.4rem; }
.breadcrumb a { color: var(--text-sub); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--brand-300); }
.breadcrumb-sep { color: rgba(255,255,255,0.25); }
.breadcrumb-current { color: var(--amber2); max-width: 360px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.article-title { font-size: clamp(1.8rem, 3.2vw, 2.8rem); font-weight: 800; line-height: 1.22; color: #ffffff; letter-spacing: 0.01em; margin-bottom: 1.1rem; }
.article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 0.6rem; }
.meta-badge { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.35rem 0.85rem; border-radius: 999px; background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.08); color: var(--text-sub); font-size: 0.82rem; font-family: "Inter", "SF Pro Display", Arial, sans-serif; }
.meta-badge i { color: var(--amber2); font-size: 0.75rem; }
.tag { display: inline-flex; align-items: center; padding: 0.2rem 0.6rem; border-radius: 999px; background: rgba(255,180,84,0.14); color: var(--amber2); font-size: 0.8rem; border: 1px solid rgba(255,180,84,0.22); }

/* Article body */
.article-section { padding: 3rem 0 0; }
.article-layout { max-width: 860px; margin: 0 auto; }
.article-body { font-size: 1rem; line-height: 1.88; color: var(--text-main); }
.article-body h2 { font-size: 1.6rem; font-weight: 700; color: #ffffff; margin: 2.2rem 0 1rem; padding-bottom: 0.6rem; border-bottom: 1px solid rgba(255,255,255,0.08); }
.article-body h3 { font-size: 1.25rem; font-weight: 650; color: #ffffff; margin: 1.8rem 0 0.8rem; }
.article-body p { margin: 1rem 0; }
.article-body a { color: var(--brand-300); border-bottom: 1px solid rgba(25,211,255,0.3); }
.article-body a:hover { color: var(--amber2); border-color: var(--amber2); }
.article-body blockquote { border-left: 4px solid var(--brand-500); background: rgba(123,92,255,0.08); padding: 1rem 1.3rem; border-radius: 0 14px 14px 0; margin: 1.4rem 0; color: #c8d0f5; }
.article-body img { max-width: 100%; height: auto; border-radius: 16px; margin: 1.5rem 0; box-shadow: var(--shadow-card); }
.article-body ul, .article-body ol { margin: 1rem 0; padding-left: 1.5rem; }
.article-body li { margin: 0.4rem 0; }
.article-body table { width: 100%; border-collapse: separate; border-spacing: 0; border: 1px solid rgba(255,255,255,0.08); border-radius: 14px; overflow: hidden; margin: 1.6rem 0; }
.article-body th { background: var(--night-700); color: #ffffff; font-weight: 600; padding: 0.8rem 1rem; text-align: left; }
.article-body td { padding: 0.8rem 1rem; border-top: 1px solid rgba(255,255,255,0.06); }
.article-body pre { background: #0b0f24; border: 1px solid rgba(255,255,255,0.08); border-radius: 14px; padding: 1rem 1.2rem; overflow-x: auto; margin: 1.5rem 0; font-size: 0.9rem; }
.article-body code { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 0.9em; color: var(--amber2); background: rgba(255,180,84,0.1); border-radius: 5px; padding: 0.1em 0.4em; }
.article-body pre code { background: transparent; padding: 0; color: #e8ecff; }
.empty-state { text-align: center; padding: 4rem 1.5rem; border: 2px dashed rgba(255,255,255,0.14); border-radius: 20px; color: var(--text-sub); }
.btn-primary { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.62rem 1.4rem; border-radius: 999px; font-size: 0.9rem; font-weight: 600; color: #0c102a; background: linear-gradient(135deg, var(--brand-300), var(--brand-500)); box-shadow: 0 4px 18px rgba(25,211,255,0.22); transition: all 0.25s ease; }
.btn-primary:hover { transform: translateY(-2px); filter: brightness(1.1); box-shadow: 0 8px 28px rgba(123,92,255,0.32); }
.btn-primary:active { transform: scale(0.97); }
.btn-ghost { display: inline-flex; align-items: center; gap: 0.5rem; padding: 0.62rem 1.4rem; border-radius: 999px; font-size: 0.9rem; font-weight: 500; color: var(--text-main); border: 1px solid rgba(255,255,255,0.18); background: rgba(255,255,255,0.03); transition: all 0.25s ease; }
.btn-ghost:hover { border-color: var(--brand-300); color: var(--brand-300); transform: translateY(-2px); }

/* Share section */
.share-section { padding: 2.4rem 0 0; }
.share-panel { display: flex; flex-wrap: wrap; align-items: center; gap: 0.7rem; background: var(--night-800); border: 1px solid var(--border-white); border-radius: 20px; padding: 1.2rem 1.4rem; }
.share-panel .share-label { font-size: 0.9rem; color: var(--text-sub); margin-right: auto; }
.share-btn { display: inline-flex; align-items: center; gap: 0.45rem; padding: 0.5rem 1rem; border-radius: 999px; font-size: 0.85rem; color: var(--text-main); background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); transition: all 0.24s ease; }
.share-btn:hover { color: var(--amber2); border-color: rgba(255,180,84,0.4); background: rgba(255,180,84,0.08); }

/* Section head */
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 1rem; margin-bottom: 1.6rem; }
.section-head h2 { font-size: clamp(1.4rem, 2.2vw, 1.9rem); font-weight: 700; color: #ffffff; }
.section-more { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.88rem; color: var(--text-sub); transition: all 0.22s; }
.section-more:hover { color: var(--brand-300); }

/* Related */
.related-section { padding: 4rem 0 0; }
.recommend-card { background: var(--night-800); border: 1px solid var(--border-white); border-radius: 20px; overflow: hidden; transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease; box-shadow: var(--shadow-card); }
.recommend-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: rgba(255,180,84,0.35); }
.recommend-cover { position: relative; aspect-ratio: 16 / 9; overflow: hidden; }
.recommend-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.recommend-card:hover .recommend-cover img { transform: scale(1.04); }
.recommend-cover::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(12,16,42,0.82) 100%); }
.cover-badge { position: absolute; left: 1rem; bottom: 1rem; z-index: 1; display: inline-flex; align-items: center; padding: 0.24rem 0.7rem; border-radius: 999px; font-size: 0.78rem; font-weight: 600; color: #0c102a; background: linear-gradient(135deg, var(--brand-300), var(--brand-500)); box-shadow: 0 4px 14px rgba(25,211,255,0.25); }
.recommend-body { padding: 1.2rem 1.3rem 1.3rem; }
.recommend-body h3 { font-size: 1.08rem; font-weight: 650; color: #ffffff; margin-bottom: 0.5rem; line-height: 1.4; }
.recommend-body p { font-size: 0.88rem; color: var(--text-sub); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.recommend-meta { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 0.8rem; font-size: 0.8rem; color: rgba(255,255,255,0.42); font-family: "Inter", "SF Pro Display", Arial, sans-serif; }

/* CTA */
.cta-section { padding: 4rem 0 0; }
.cta-banner { position: relative; border-radius: 24px; overflow: hidden; background-image: url('/assets/images/backpic/back-3.webp'); background-size: cover; background-position: center; padding: 3rem 2rem; text-align: center; }
.cta-banner::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(12,16,42,0.94), rgba(28,37,80,0.78)); }
.cta-content { position: relative; z-index: 1; max-width: 640px; margin: 0 auto; }
.cta-content h2 { font-size: clamp(1.5rem, 2.8vw, 2.1rem); font-weight: 800; color: #ffffff; margin-bottom: 0.7rem; }
.cta-content p { color: var(--text-sub); font-size: 0.95rem; margin-bottom: 1.6rem; }
.cta-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.8rem; }

/* FAQ */
.faq-section { padding: 4rem 0 0; }
.section-head.center { justify-content: center; text-align: center; }
.faq-list { max-width: 768px; margin: 0 auto; }
.faq-item { background: var(--night-800); border: 1px solid var(--border-white); border-radius: 16px; margin-bottom: 0.8rem; overflow: hidden; transition: border-color 0.25s ease, background 0.25s ease; }
.faq-item.open { border-color: rgba(25,211,255,0.45); background: rgba(25,211,255,0.05); }
.faq-question { display: flex; align-items: center; justify-content: space-between; gap: 1rem; width: 100%; padding: 1rem 1.2rem; color: #e8ecff; font-size: 0.95rem; font-weight: 600; text-align: left; background: transparent; border: none; }
.faq-question:hover { color: #ffffff; }
.faq-icon { color: var(--brand-300); transition: transform 0.32s ease; font-size: 0.9rem; }
.faq-item.open .faq-icon { transform: rotate(45deg); color: var(--amber2); }
.faq-answer { display: none; padding: 0 1.2rem 1.1rem; color: var(--text-sub); font-size: 0.9rem; line-height: 1.7; }
.faq-answer p { margin: 0; }
.faq-item.open .faq-answer { display: block; }

/* Footer */
.footer { background: #0a0e22; border-top: 1px solid var(--border-white); padding: 3.5rem 0 1.7rem; margin-top: 4rem; }
.footer-title { font-size: 0.95rem; font-weight: 700; color: #ffffff; margin-bottom: 0.9rem; }
.footer-link { display: block; color: var(--text-sub); padding: 0.32rem 0; font-size: 0.88rem; transition: color 0.2s, padding-left 0.2s; }
.footer-link:hover { color: var(--brand-300); padding-left: 4px; }

/* Toast */
#tipToast { position: fixed; left: 50%; bottom: 32px; transform: translateX(-50%) translateY(20px); background: rgba(12,16,42,0.95); border: 1px solid rgba(255,180,84,0.35); color: #ffffff; padding: 0.65rem 1.4rem; border-radius: 999px; font-size: 0.88rem; opacity: 0; pointer-events: none; transition: all 0.3s ease; z-index: 999; box-shadow: 0 8px 30px rgba(0,0,0,0.4); }
#tipToast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* Responsive */
@media (max-width: 1024px) {
  .article-banner { padding: 2.8rem 0; }
}
@media (max-width: 768px) {
  .article-banner { padding: 2.4rem 0; }
  .article-title { font-size: 1.7rem; }
  .cta-banner { padding: 2.2rem 1.2rem; }
  .section-head { align-items: center; }
}
@media (max-width: 520px) {
  .article-banner { padding: 2rem 0; }
  .article-title { font-size: 1.45rem; }
  .breadcrumb { font-size: 0.78rem; }
  .share-panel { flex-direction: column; align-items: flex-start; }
  .share-panel .share-label { margin-right: 0; }
  .cta-actions { flex-direction: column; align-items: stretch; }
  .cta-actions a { justify-content: center; }
}