/* roulang page: index */
:root{--bg-primary:#0b0e14;--bg-secondary:#141a26;--bg-card:#1c2333;--bg-elevated:#242e42;--border-soft:rgba(255,255,255,.07);--border-glow:rgba(0,229,255,.25);--text-primary:#f0f5fa;--text-secondary:#a0aabc;--text-muted:#677387;--accent-cyan:#00e5ff;--accent-pink:#ff2dba;--accent-orange:#ff8a00;--gradient-primary:linear-gradient(135deg,#00e5ff,#0088ff);--gradient-secondary:linear-gradient(135deg,#ff2dba,#ff8a00);--radius-sm:8px;--radius-md:14px;--radius-lg:24px;--radius-full:999px;--shadow-sm:0 2px 10px rgba(0,0,0,.3);--shadow-md:0 10px 30px rgba(0,0,0,.45);--shadow-glow:0 0 40px rgba(0,229,255,.12);--transition:.3s ease;--container:1200px}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
button,input{font-family:inherit;border:none;outline:none}
ul,ol{list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:90px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 56px}
.section-head .tag{display:inline-flex;align-items:center;gap:6px;background:rgba(0,229,255,.12);border:1px solid var(--border-glow);color:var(--accent-cyan);padding:6px 16px;border-radius:var(--radius-full);font-size:13px;font-weight:600;margin-bottom:14px}
.section-head h2{font-size:38px;font-weight:800;line-height:1.3;background:linear-gradient(135deg,#fff,#b8c4d9);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.section-head p{color:var(--text-secondary);font-size:16px;margin-top:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:14px 32px;border-radius:var(--radius-full);font-size:15px;font-weight:600;cursor:pointer;transition:all var(--transition)}
.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:0 8px 30px rgba(0,229,255,.3)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 12px 40px rgba(0,229,255,.45)}
.btn-ghost{background:rgba(255,255,255,.06);border:1px solid var(--border-soft);color:var(--text-primary)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.2);transform:translateY(-3px)}
.btn-pink{background:var(--gradient-secondary);color:#fff;box-shadow:0 8px 30px rgba(255,45,186,.3)}
.btn-pink:hover{transform:translateY(-3px);box-shadow:0 12px 40px rgba(255,45,186,.45)}
.text-gradient{background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.site-header{position:sticky;top:0;z-index:100;background:rgba(11,14,20,.85);backdrop-filter:blur(20px);border-bottom:1px solid var(--border-soft);padding:14px 0}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo{font-size:22px;font-weight:800;white-space:nowrap;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-.5px}
.logo i{margin-right:4px}
.nav-panel{display:flex;align-items:center;gap:4px;background:var(--bg-secondary);border:1px solid var(--border-soft);border-radius:var(--radius-full);padding:5px}
.nav-item{display:flex;align-items:center;gap:8px;padding:9px 20px;border-radius:var(--radius-full);color:var(--text-secondary);font-size:14px;font-weight:500;transition:all var(--transition);white-space:nowrap}
.nav-item i{font-size:13px}
.nav-item:hover{color:var(--text-primary);background:rgba(255,255,255,.06)}
.nav-item.active{color:#fff;background:var(--gradient-primary);box-shadow:0 4px 16px rgba(0,229,255,.35)}
.nav-cta{display:flex;align-items:center;gap:12px}
.header-search{display:flex;align-items:center;background:var(--bg-secondary);border:1px solid var(--border-soft);border-radius:var(--radius-full);padding:6px 6px 6px 18px;transition:border var(--transition)}
.header-search input{background:transparent;color:var(--text-primary);font-size:13px;width:120px;border:none;outline:none}
.header-search button{background:var(--gradient-primary);color:#fff;width:32px;height:32px;border-radius:50%;cursor:pointer;transition:transform var(--transition)}
.header-search button:hover{transform:scale(1.1)}
.menu-toggle{display:none;background:var(--bg-card);border:1px solid var(--border-soft);border-radius:10px;padding:10px 14px;cursor:pointer;color:var(--text-primary);font-size:18px}
.hero{position:relative;min-height:720px;display:flex;align-items:center;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;overflow:hidden}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(120deg,rgba(11,14,20,.95) 0%,rgba(11,14,20,.75) 50%,rgba(11,14,20,.4) 100%)}
.hero::after{content:'';position:absolute;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(0,229,255,.15),transparent 70%);top:-150px;right:-100px;pointer-events:none}
.hero-inner{position:relative;z-index:2;padding:80px 0}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(0,229,255,.1);border:1px solid var(--border-glow);border-radius:var(--radius-full);padding:8px 20px;font-size:13px;font-weight:600;color:var(--accent-cyan);margin-bottom:24px}
.live-dot{width:8px;height:8px;border-radius:50%;background:var(--accent-cyan);position:relative;animation:pulse 1.5s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(0,229,255,.5)}70%{box-shadow:0 0 0 12px rgba(0,229,255,0)}100%{box-shadow:0 0 0 0 rgba(0,229,255,0)}}
.hero-inner h1{font-size:60px;font-weight:900;line-height:1.15;letter-spacing:-1.5px;margin-bottom:16px;background:linear-gradient(120deg,#fff 30%,#00e5ff 70%,#ff2dba 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.hero-subtitle{font-size:18px;color:var(--text-secondary);max-width:600px;margin-bottom:32px;line-height:1.8}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:56px}
.hero-stats{display:flex;gap:48px;flex-wrap:wrap;border-top:1px solid var(--border-soft);padding-top:36px}
.stat-item{min-width:140px}
.stat-item strong{font-size:34px;font-weight:800;background:linear-gradient(135deg,#00e5ff,#ff2dba);-webkit-background-clip:text;-webkit-text-fill-color:transparent;display:block}
.stat-item span{font-size:14px;color:var(--text-secondary)}
.features .feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.feature-card{background:var(--bg-card);border:1px solid var(--border-soft);border-radius:var(--radius-lg);padding:40px 32px;transition:all var(--transition);position:relative;overflow:hidden}
.feature-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:3px;background:var(--gradient-primary);opacity:0;transition:opacity var(--transition)}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:var(--border-glow)}
.feature-card:hover::before{opacity:1}
.feature-icon{width:64px;height:64px;border-radius:18px;background:var(--gradient-primary);display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:22px;box-shadow:var(--shadow-glow)}
.feature-card:nth-child(2) .feature-icon{background:var(--gradient-secondary)}
.feature-card h3{font-size:20px;font-weight:700;margin-bottom:12px}
.feature-card p{color:var(--text-secondary);font-size:15px;line-height:1.7}
.categories{background:var(--bg-secondary)}
.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.category-card{background:var(--bg-card);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border-soft);transition:all var(--transition);display:block}
.category-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-md);border-color:var(--border-glow)}
.category-card .cover{position:relative;height:220px;overflow:hidden}
.category-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.category-card:hover .cover img{transform:scale(1.08)}
.category-card .cover::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(11,14,20,.9),transparent 60%)}
.category-info{padding:28px}
.category-info h3{font-size:20px;font-weight:700;margin-bottom:10px;display:flex;align-items:center;gap:10px}
.category-info h3 i{color:var(--accent-cyan)}
.category-info p{color:var(--text-secondary);font-size:14px;line-height:1.7;margin-bottom:16px}
.category-link{color:var(--accent-cyan);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.stats-block{background:url('/assets/images/backpic/back-2.png') center/cover fixed no-repeat;position:relative}
.stats-block::before{content:'';position:absolute;inset:0;background:rgba(11,14,20,.92)}
.stats-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:32px;text-align:center}
.stats-item .num{font-size:46px;font-weight:900;background:linear-gradient(135deg,#00e5ff,#ff2dba);-webkit-background-clip:text;-webkit-text-fill-color:transparent;display:block}
.stats-item .label{color:var(--text-secondary);font-size:15px;margin-top:6px}
.latest-posts{background:var(--bg-primary)}
.posts-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.post-card{background:var(--bg-card);border:1px solid var(--border-soft);border-radius:var(--radius-md);padding:28px;transition:all var(--transition)}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--border-glow)}
.post-card__meta{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.badge{display:inline-flex;align-items:center;padding:4px 14px;border-radius:var(--radius-full);background:rgba(0,229,255,.12);color:var(--accent-cyan);font-size:12px;font-weight:600}
.badge-pink{background:rgba(255,45,186,.12);color:var(--accent-pink)}
.post-card__date{color:var(--text-muted);font-size:13px}
.post-card__title{font-size:18px;font-weight:700;line-height:1.5;margin-bottom:10px}
.post-card__title a:hover{color:var(--accent-cyan)}
.post-card__desc{color:var(--text-secondary);font-size:14px;line-height:1.7;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card__link{color:var(--accent-cyan);font-size:14px;font-weight:600}
.empty-tip{grid-column:1/-1;text-align:center;padding:60px 20px;background:var(--bg-card);border:1px dashed var(--border-soft);border-radius:var(--radius-md);color:var(--text-secondary)}
.process{background:var(--bg-secondary)}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.process-grid::before{content:'';position:absolute;top:40px;left:10%;right:10%;height:2px;background:linear-gradient(90deg,var(--accent-cyan),var(--accent-pink));opacity:.3}
.process-step{background:var(--bg-card);border:1px solid var(--border-soft);border-radius:var(--radius-lg);padding:32px 24px;text-align:center;transition:all var(--transition)}
.process-step:hover{transform:translateY(-6px);border-color:var(--border-glow);box-shadow:var(--shadow-md)}
.step-num{width:48px;height:48px;margin:0 auto 18px;border-radius:50%;background:var(--gradient-primary);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;color:#fff;box-shadow:0 4px 20px rgba(0,229,255,.35)}
.process-step h3{font-size:17px;font-weight:700;margin-bottom:8px}
.process-step p{color:var(--text-secondary);font-size:14px;line-height:1.6}
.about-block .about-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about-images{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.about-images img{border-radius:var(--radius-lg);border:1px solid var(--border-soft);object-fit:cover;width:100%;height:240px}
.about-images img:first-child{height:280px;grid-row:span 2}
.about-text .tag{display:inline-flex;align-items:center;gap:6px;background:rgba(255,45,186,.12);border:1px solid rgba(255,45,186,.25);color:var(--accent-pink);padding:6px 16px;border-radius:var(--radius-full);font-size:13px;font-weight:600;margin-bottom:16px}
.about-text h2{font-size:34px;font-weight:800;line-height:1.3;margin-bottom:20px}
.about-text p{color:var(--text-secondary);font-size:15px;line-height:1.8;margin-bottom:16px}
.about-list{margin-top:24px}
.about-list li{display:flex;align-items:center;gap:12px;padding:10px 0;color:var(--text-primary);font-size:15px}
.about-list li i{color:var(--accent-cyan)}
.faq{background:var(--bg-secondary)}
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:var(--bg-card);border:1px solid var(--border-soft);border-radius:var(--radius-md);margin-bottom:14px;overflow:hidden;transition:border var(--transition)}
.faq-item.active{border-color:var(--border-glow)}
.faq-question{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 28px;cursor:pointer;font-size:16px;font-weight:600}
.faq-question i{color:var(--accent-cyan);transition:transform var(--transition);font-size:14px}
.faq-item.active .faq-question i{transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-item.active .faq-answer{max-height:300px}
.faq-answer p{padding:0 28px 22px;color:var(--text-secondary);font-size:15px;line-height:1.8}
.cta{position:relative;background:url('/assets/images/backpic/back-3.png') center/cover no-repeat}
.cta::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(11,14,20,.95),rgba(11,14,20,.8))}
.cta-inner{position:relative;z-index:2;text-align:center;padding:60px 0}
.cta-inner h2{font-size:40px;font-weight:900;margin-bottom:16px}
.cta-inner p{font-size:17px;color:var(--text-secondary);max-width:520px;margin:0 auto 32px}
.site-footer{border-top:1px solid var(--border-soft);background:var(--bg-primary);padding:60px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:40px;margin-bottom:48px}
.footer-brand .logo{font-size:26px;margin-bottom:16px;display:inline-block}
.footer-brand p{color:var(--text-secondary);font-size:14px;line-height:1.8;max-width:320px}
.footer-col h4{font-size:16px;font-weight:700;margin-bottom:18px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:var(--text-secondary);font-size:14px;transition:color var(--transition)}
.footer-col ul a:hover{color:var(--accent-cyan)}
.footer-contact p{display:flex;align-items:center;gap:10px;color:var(--text-secondary);font-size:14px;margin-bottom:10px}
.footer-contact i{color:var(--accent-cyan)}
.footer-bottom{border-top:1px solid var(--border-soft);padding-top:24px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
.footer-bottom p{color:var(--text-muted);font-size:13px}
@media(max-width:1024px){.hero-inner h1{font-size:46px}.feature-grid,.category-grid{grid-template-columns:repeat(2,1fr)}.stats-grid{grid-template-columns:repeat(2,1fr)}.process-grid{grid-template-columns:repeat(2,1fr)}.about-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:768px){.header-inner{flex-wrap:wrap}.nav-panel{display:none;position:absolute;top:70px;left:24px;right:24px;flex-direction:column;background:var(--bg-card);border-radius:var(--radius-md);padding:16px;z-index:100}.nav-panel.open{display:flex}.nav-item{border-radius:var(--radius-md);justify-content:center}.menu-toggle{display:block}.hero{min-height:auto}.hero-inner{padding:60px 0}.hero-inner h1{font-size:36px}.hero-subtitle{font-size:16px}.hero-stats{gap:24px}.feature-grid,.category-grid,.posts-grid{grid-template-columns:1fr}.about-images{grid-template-columns:1fr}.about-images img:first-child{grid-row:auto;height:220px}.section{padding:60px 0}.section-head h2{font-size:28px}.cta-inner h2{font-size:30px}.footer-grid{grid-template-columns:1fr}}
@media(max-width:520px){.header-search{display:none}.hero-inner h1{font-size:30px}.hero-actions .btn{width:100%;padding:12px 24px}.process-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr 1fr;gap:20px}.stats-item .num{font-size:34px}}

/* roulang page: article */
:root {
    --primary: #00e5ff;
    --primary-dark: #00b8d4;
    --secondary: #7c3aed;
    --secondary-light: #9f6bff;
    --accent: #f59e0b;
    --bg: #0b1020;
    --bg-deep: #070b16;
    --bg-light: #111a33;
    --bg-card: #151f3d;
    --text: #e8ecf8;
    --text-muted: #8891a8;
    --border: rgba(255, 255, 255, 0.08);
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
    --shadow-glow: 0 0 24px rgba(0, 229, 255, 0.15);
    --transition: all .3s ease;
}
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}
a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}
img {
    max-width: 100%;
    display: block;
}
button,
input {
    font-family: inherit;
}
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    border: none;
    border-radius: 12px;
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(0, 229, 255, 0.2);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 229, 255, 0.35);
}
.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
    border-radius: 12px;
    padding: 12px 28px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}
.btn-outline:hover {
    background: rgba(0, 229, 255, 0.1);
    transform: translateY(-2px);
}
.site-header {
    background: rgba(11, 16, 32, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 16px 0;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: 1px;
    white-space: nowrap;
}
.logo i {
    color: var(--primary);
    font-size: 24px;
    filter: drop-shadow(0 0 8px rgba(0, 229, 255, 0.5));
}
.nav-panel {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-light);
    border-radius: 16px;
    padding: 8px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    flex-wrap: wrap;
}
.nav-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 12px;
    color: var(--text-muted);
    font-weight: 500;
    font-size: 14px;
    transition: var(--transition);
    white-space: nowrap;
}
.nav-item i {
    font-size: 15px;
}
.nav-item:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.06);
}
.nav-item.active {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    box-shadow: var(--shadow-glow);
}
.header-cta {
    display: flex;
    align-items: center;
    gap: 12px;
}
.header-cta .btn-primary {
    padding: 10px 20px;
    font-size: 14px;
}
.mobile-toggle {
    display: none;
    background: var(--bg-light);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 10px;
    padding: 10px 14px;
    font-size: 18px;
    cursor: pointer;
}
/* 文章 Hero */
.article-hero {
    position: relative;
    padding: 80px 0 60px;
    background: linear-gradient(135deg, rgba(11, 16, 32, 0.85), rgba(124, 58, 237, 0.4)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    border-bottom: 1px solid var(--border);
}
.article-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 20% 80%, rgba(0, 229, 255, 0.1), transparent 50%);
    pointer-events: none;
}
.article-hero .container {
    position: relative;
    z-index: 1;
}
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 20px;
    flex-wrap: wrap;
}
.breadcrumb a {
    color: var(--primary);
}
.breadcrumb a:hover {
    color: var(--secondary-light);
}
.breadcrumb span {
    color: var(--text);
}
.article-hero h1 {
    font-size: 36px;
    font-weight: 700;
    line-height: 1.3;
    max-width: 800px;
    margin-bottom: 18px;
    color: #fff;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}
.article-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 14px;
    color: var(--text-muted);
}
.article-meta span {
    display: flex;
    align-items: center;
    gap: 6px;
}
.article-meta i {
    color: var(--primary);
}
.article-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(0, 229, 255, 0.15);
    color: var(--primary);
    border: 1px solid rgba(0, 229, 255, 0.3);
    border-radius: 20px;
    padding: 4px 14px;
    font-size: 13px;
    font-weight: 600;
}
/* 文章主体 */
.article-main-section {
    padding: 60px 0;
    background: var(--bg);
}
.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 40px;
    align-items: start;
}
.article-main {
    min-width: 0;
}
.article-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow);
    font-size: 16px;
    line-height: 1.8;
    color: var(--text);
}
.article-content h2 {
    font-size: 24px;
    margin: 36px 0 16px;
    color: var(--text);
    padding-left: 14px;
    border-left: 4px solid var(--primary);
}
.article-content h3 {
    font-size: 20px;
    margin: 28px 0 12px;
    color: var(--text);
}
.article-content p {
    margin-bottom: 18px;
    color: #c8d0e0;
}
.article-content ul,
.article-content ol {
    margin: 0 0 20px 24px;
    color: #c8d0e0;
}
.article-content li {
    margin-bottom: 8px;
}
.article-content img {
    border-radius: 12px;
    margin: 24px 0;
}
.article-content blockquote {
    border-left: 4px solid var(--primary);
    background: rgba(0, 229, 255, 0.06);
    padding: 16px 20px;
    border-radius: 0 12px 12px 0;
    margin: 24px 0;
    color: var(--text-muted);
    font-style: italic;
}
.article-content a {
    color: var(--primary);
    text-decoration: underline;
}
.article-content a:hover {
    color: var(--secondary-light);
}
.not-found {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 80px 40px;
    text-align: center;
    box-shadow: var(--shadow);
}
.not-found i {
    font-size: 56px;
    color: var(--primary);
    margin-bottom: 20px;
    display: block;
}
.not-found h2 {
    font-size: 28px;
    margin-bottom: 12px;
}
.not-found p {
    color: var(--text-muted);
    margin-bottom: 24px;
}
/* 侧边栏 */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: sticky;
    top: 90px;
}
.sidebar-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
}
.sidebar-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text);
}
.sidebar-card h3 i {
    color: var(--primary);
}
.sidebar-info-list {
    list-style: none;
}
.sidebar-info-list li {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}
.sidebar-info-list li:last-child {
    border-bottom: none;
}
.sidebar-info-list .label {
    color: var(--text-muted);
}
.sidebar-info-list .value {
    color: var(--text);
    font-weight: 500;
}
.sidebar-nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.sidebar-nav-list a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 10px;
    background: var(--bg-light);
    color: var(--text-muted);
    font-size: 14px;
    border: 1px solid transparent;
    transition: var(--transition);
}
.sidebar-nav-list a:hover {
    color: var(--primary);
    border-color: var(--primary);
    transform: translateX(4px);
}
.sidebar-nav-list a i {
    color: var(--primary);
    width: 18px;
    text-align: center;
}
.sidebar-tip {
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.1), rgba(124, 58, 237, 0.1));
    border: 1px solid rgba(0, 229, 255, 0.2);
}
.sidebar-tip p {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 16px;
}
.sidebar-tip .btn-primary {
    width: 100%;
    justify-content: center;
    font-size: 14px;
}
/* 相关推荐 */
.related-section {
    padding: 60px 0;
    background: var(--bg-deep);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
    flex-wrap: wrap;
    gap: 16px;
}
.section-head h2 {
    font-size: 28px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 12px;
}
.section-head h2 i {
    color: var(--primary);
}
.section-head .section-sub {
    color: var(--text-muted);
    font-size: 14px;
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.related-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.related-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4);
    border-color: rgba(0, 229, 255, 0.3);
}
.related-card .card-img {
    position: relative;
    height: 180px;
    overflow: hidden;
}
.related-card .card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}
.related-card:hover .card-img img {
    transform: scale(1.05);
}
.related-card .card-img .card-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(0, 229, 255, 0.85);
    color: #0b1020;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 20px;
}
.related-card .card-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.related-card .card-body h3 {
    font-size: 15px;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 12px;
    color: var(--text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.related-card .card-body h3:hover {
    color: var(--primary);
}
.related-card .card-meta {
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    color: var(--text-muted);
}
.related-card .card-meta i {
    margin-right: 4px;
}
/* 流程板块 */
.steps-section {
    padding: 60px 0;
    background: var(--bg);
}
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 32px;
}
.step-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.step-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}
.step-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}
.step-num {
    font-size: 40px;
    font-weight: 800;
    color: rgba(0, 229, 255, 0.2);
    line-height: 1;
    margin-bottom: 8px;
}
.step-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.15), rgba(124, 58, 237, 0.15));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 24px;
    color: var(--primary);
}
.step-card h3 {
    font-size: 17px;
    margin-bottom: 10px;
    color: var(--text);
}
.step-card p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.6;
}
/* FAQ */
.faq-section {
    padding: 60px 0;
    background: var(--bg-deep);
    border-top: 1px solid var(--border);
}
.faq-list {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 28px;
    transition: var(--transition);
}
.faq-item:hover {
    border-color: rgba(0, 229, 255, 0.2);
}
.faq-item h3 {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    cursor: pointer;
    margin-bottom: 0;
}
.faq-item h3 i {
    color: var(--primary);
    font-size: 14px;
    transition: transform .3s ease;
}
.faq-item.active h3 i {
    transform: rotate(45deg);
}
.faq-item p {
    margin-top: 12px;
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
    display: none;
}
.faq-item.active p {
    display: block;
}
/* CTA */
.cta-section {
    padding: 70px 0;
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.08), rgba(124, 58, 237, 0.12)), var(--bg);
    border-top: 1px solid var(--border);
}
.cta-box {
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}
.cta-box h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.3;
}
.cta-box h2 span {
    color: var(--primary);
}
.cta-box p {
    color: var(--text-muted);
    font-size: 16px;
    margin-bottom: 28px;
}
.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}
/* Footer */
.site-footer {
    background: var(--bg-deep);
    border-top: 1px solid var(--border);
    padding: 60px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--border);
}
.footer-brand .logo {
    font-size: 22px;
    margin-bottom: 16px;
}
.footer-brand p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.7;
    max-width: 360px;
}
.footer-col h4 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 18px;
}
.footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-col ul a {
    color: var(--text-muted);
    font-size: 14px;
    transition: var(--transition);
}
.footer-col ul a:hover {
    color: var(--primary);
    padding-left: 4px;
}
.footer-contact p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.footer-contact i {
    color: var(--primary);
    width: 16px;
}
.footer-bottom {
    padding: 20px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 13px;
    color: var(--text-muted);
}
.footer-bottom a {
    color: var(--text-muted);
}
.footer-bottom a:hover {
    color: var(--primary);
}
/* 响应式 */
@media (max-width: 1024px) {
    .article-layout {
        grid-template-columns: 1fr;
    }
    .article-sidebar {
        position: static;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 16px;
    }
    .sidebar-card {
        flex: 1;
        min-width: 240px;
    }
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 768px) {
    .header-inner {
        flex-wrap: wrap;
    }
    .nav-panel {
        order: 3;
        width: 100%;
        overflow-x: auto;
        flex-wrap: nowrap;
        justify-content: flex-start;
    }
    .nav-item {
        flex-shrink: 0;
        padding: 8px 14px;
        font-size: 13px;
    }
    .header-cta {
        margin-left: auto;
    }
    .article-hero {
        padding: 50px 0 40px;
    }
    .article-hero h1 {
        font-size: 26px;
    }
    .article-content {
        padding: 24px;
    }
    .related-grid {
        grid-template-columns: 1fr;
    }
    .steps-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}
@media (max-width: 520px) {
    .container {
        padding: 0 16px;
    }
    .article-hero h1 {
        font-size: 22px;
    }
    .article-meta {
        gap: 12px;
        font-size: 13px;
    }
    .article-content {
        padding: 18px;
        font-size: 15px;
    }
    .section-head h2 {
        font-size: 22px;
    }
    .cta-box h2 {
        font-size: 24px;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

/* roulang page: category1 */
:root {
    --bg-primary: #080d18;
    --bg-secondary: #0d1526;
    --bg-card: #111c30;
    --bg-card-hover: #16233a;
    --accent: #00e5ff;
    --accent-strong: #00b8d4;
    --accent-pink: #ff2d9b;
    --gradient-main: linear-gradient(135deg, #00e5ff, #45f0d0);
    --gradient-hot: linear-gradient(135deg, #ff2d9b, #ff7a45);
    --text-primary: #eaf2ff;
    --text-secondary: #94a8c6;
    --text-muted: #5c7290;
    --border: rgba(0, 229, 255, 0.14);
    --border-light: rgba(255, 255, 255, 0.06);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 22px;
    --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.35);
    --shadow-accent: 0 8px 32px rgba(0, 229, 255, 0.18);
    --space-4: 4px;
    --space-8: 8px;
    --space-12: 12px;
    --space-16: 16px;
    --space-24: 24px;
    --space-32: 32px;
    --space-48: 48px;
    --space-64: 64px;
    --space-80: 80px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
a {
    color: inherit;
    text-decoration: none;
    transition: color .25s ease;
}
img {
    max-width: 100%;
    display: block;
}
button,
input {
    font-family: inherit;
    cursor: pointer;
    background: none;
    border: none;
    outline: none;
}
ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1220px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}

.section {
    padding: var(--space-80) 0;
    position: relative;
}
.section-head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto var(--space-48);
}
.section-head .section-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--accent);
    background: rgba(0, 229, 255, 0.08);
    border: 1px solid var(--border);
    border-radius: 40px;
    padding: 6px 18px;
    margin-bottom: var(--space-16);
}
.section-head h2 {
    font-size: 34px;
    line-height: 1.3;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: var(--space-12);
}
.section-head p {
    color: var(--text-secondary);
    font-size: 15px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 13px 28px;
    border-radius: 60px;
    font-size: 15px;
    font-weight: 600;
    line-height: 1;
    transition: all .3s ease;
    border: 1px solid transparent;
    white-space: nowrap;
}
.btn-sm {
    padding: 10px 18px;
    font-size: 14px;
}
.btn-accent {
    background: var(--gradient-main);
    color: #081018;
    box-shadow: 0 6px 22px rgba(0, 229, 255, 0.28);
}
.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 229, 255, 0.36);
}
.btn-outline {
    background: transparent;
    border-color: var(--border);
    color: var(--text-primary);
}
.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(0, 229, 255, 0.05);
}
.btn-ghost {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    border-color: transparent;
}
.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--accent);
}
.btn-dark {
    background: #0a0e17;
    color: var(--accent);
    border: 1px solid var(--border);
}
.btn-dark:hover {
    background: #111c30;
}

/* ===== Badges / Tags ===== */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 30px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
}
.badge-cyan {
    background: rgba(0, 229, 255, 0.1);
    color: var(--accent);
    border: 1px solid var(--border);
}
.badge-pink {
    background: rgba(255, 45, 155, 0.1);
    color: var(--accent-pink);
    border: 1px solid rgba(255, 45, 155, 0.2);
}
.badge-gray {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
}

/* ===== Header / Nav ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(8, 13, 24, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-light);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding-top: 16px;
    padding-bottom: 16px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 21px;
    font-weight: 800;
    letter-spacing: 0.4px;
    color: var(--text-primary);
    flex-shrink: 0;
}
.logo i {
    color: var(--accent);
    font-size: 22px;
    text-shadow: 0 0 14px rgba(0, 229, 255, 0.55);
}
.nav-panel {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 10px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-light);
    border-radius: 40px;
}
.nav-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 16px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all .28s ease;
    white-space: nowrap;
}
.nav-item i {
    font-size: 14px;
}
.nav-item:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.07);
}
.nav-item.active {
    color: #081018;
    background: linear-gradient(135deg, #00e5ff, #45f0d0);
    font-weight: 700;
    box-shadow: 0 4px 18px rgba(0, 229, 255, 0.24);
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.nav-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-light);
    color: var(--text-primary);
    font-size: 18px;
    transition: all .25s ease;
}
.nav-toggle:hover {
    background: rgba(0, 229, 255, 0.1);
    color: var(--accent);
}

/* ===== Page Banner ===== */
.page-banner {
    position: relative;
    padding: 76px 0 68px;
    background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    border-bottom: 1px solid var(--border-light);
}
.page-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(8, 13, 24, 0.8) 0%, rgba(8, 13, 24, 0.94) 80%);
}
.banner-content {
    position: relative;
    z-index: 2;
    max-width: 760px;
}
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: var(--space-16);
}
.breadcrumb a:hover {
    color: var(--accent);
}
.breadcrumb i {
    font-size: 10px;
    color: var(--text-muted);
}
.banner-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: var(--space-16);
}
.banner-content h1 {
    font-size: 42px;
    line-height: 1.25;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: var(--space-16);
    background: linear-gradient(120deg, #ffffff, #a9efff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.banner-content p {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.8;
    max-width: 620px;
    margin-bottom: var(--space-24);
}
.banner-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

/* ===== Steps Section ===== */
.steps-section {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-light);
}
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}
.step-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 28px 24px;
    position: relative;
    overflow: hidden;
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.step-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-main);
    opacity: 0;
    transition: opacity .3s ease;
}
.step-card:hover {
    transform: translateY(-5px);
    border-color: var(--border);
    box-shadow: var(--shadow-accent);
}
.step-card:hover::before {
    opacity: 1;
}
.step-num {
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: var(--space-12);
}
.step-num::before {
    content: '0';
}
.step-card:nth-child(n+10) .step-num::before {
    content: '';
}
.step-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    background: rgba(0, 229, 255, 0.1);
    border: 1px solid var(--border);
    color: var(--accent);
    font-size: 20px;
    margin-bottom: var(--space-16);
}
.step-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: var(--space-8);
}
.step-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.65;
}

/* ===== Stats Bar ===== */
.stats-section {
    padding: 0;
    background: var(--bg-primary);
}
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    margin-top: -36px;
    position: relative;
    z-index: 3;
    box-shadow: var(--shadow-md);
}
.stat-item {
    text-align: center;
    border-right: 1px solid var(--border-light);
    padding: 0 20px;
}
.stat-item:last-child {
    border-right: none;
}
.stat-num {
    font-size: 36px;
    font-weight: 800;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}
.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 6px;
    letter-spacing: 0.5px;
}

/* ===== Guide Cards ===== */
.guide-section {
    background: var(--bg-primary);
}
.card-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 22px;
}
.guide-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.guide-card:hover {
    transform: translateY(-6px);
    border-color: var(--border);
    box-shadow: var(--shadow-accent);
}
.card-cover {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--bg-card);
}
.card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}
.guide-card:hover .card-cover img {
    transform: scale(1.05);
}
.card-cover::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 55%, rgba(8, 13, 24, 0.5));
}
.card-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index: 2;
    background: rgba(8, 13, 24, 0.75);
    backdrop-filter: blur(8px);
    color: var(--accent);
    font-size: 12px;
    font-weight: 600;
    border: 1px solid var(--border);
    border-radius: 30px;
    padding: 4px 12px;
}
.card-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.card-body h3 {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: var(--space-8);
}
.card-body h3 a:hover {
    color: var(--accent);
}
.card-body p {
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.65;
    flex: 1;
    margin-bottom: var(--space-16);
}
.card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-muted);
    border-top: 1px solid var(--border-light);
    padding-top: 14px;
}
.card-meta i {
    margin-right: 5px;
}
.read-more {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    color: var(--accent);
    font-weight: 600;
    transition: gap .25s ease;
}
.read-more:hover {
    gap: 8px;
    color: var(--accent-strong);
}

/* ===== Tips Section ===== */
.tips-section {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
}
.tips-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}
.tips-media {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-md);
}
.tips-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    min-height: 340px;
}
.tips-media::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 70%, rgba(8, 13, 24, 0.55));
}
.tips-box {
    background: var(--bg-primary);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 24px;
    margin-top: 18px;
}
.tips-box h3 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: var(--space-8);
    color: var(--accent);
}
.tips-box p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.65;
}
.tips-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.tips-item {
    display: flex;
    gap: 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 20px 22px;
    transition: border-color .3s ease, transform .3s ease, box-shadow .3s ease;
}
.tips-item:hover {
    border-color: var(--border);
    transform: translateX(4px);
    box-shadow: var(--shadow-accent);
}
.tips-index {
    font-size: 16px;
    font-weight: 800;
    color: var(--accent);
    background: rgba(0, 229, 255, 0.08);
    border: 1px solid var(--border);
    border-radius: 50%;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.tips-item h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
}
.tips-item p {
    color: var(--text-secondary);
    font-size: 13px;
}

/* ===== FAQ ===== */
.faq-section {
    background: var(--bg-primary);
}
.faq-list {
    max-width: 820px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
}
.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color .3s ease, box-shadow .3s ease;
}
.faq-item.open {
    border-color: var(--border);
    box-shadow: 0 8px 30px rgba(0, 229, 255, 0.07);
}
.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 24px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    width: 100%;
    text-align: left;
    transition: background .25s ease;
}
.faq-question:hover {
    background: rgba(0, 229, 255, 0.04);
}
.faq-question .faq-icon {
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border-light);
    color: var(--accent);
    font-size: 12px;
    flex-shrink: 0;
    transition: transform .3s ease, background .3s ease;
}
.faq-item.open .faq-icon {
    transform: rotate(45deg);
    background: rgba(0, 229, 255, 0.15);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .4s ease;
    padding: 0 24px;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.75;
}
.faq-item.open .faq-answer {
    max-height: 320px;
    padding: 0 24px 20px;
}

/* ===== CTA ===== */
.cta-section {
    padding: var(--space-64) 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-light);
}
.cta-panel {
    position: relative;
    background: linear-gradient(135deg, rgba(0, 229, 255, 0.06), rgba(255, 45, 155, 0.06)), var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 56px 48px;
    text-align: center;
    overflow: hidden;
}
.cta-panel::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -20%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 229, 255, 0.18), transparent 70%);
}
.cta-panel::after {
    content: '';
    position: absolute;
    bottom: -40%;
    left: -10%;
    width: 260px;
    height: 260px;
    background: radial-gradient(circle, rgba(255, 45, 155, 0.14), transparent 70%);
}
.cta-panel h2 {
    position: relative;
    z-index: 2;
    font-size: 32px;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: var(--space-12);
}
.cta-panel p {
    position: relative;
    z-index: 2;
    color: var(--text-secondary);
    font-size: 15px;
    max-width: 520px;
    margin: 0 auto var(--space-24);
}
.cta-actions {
    position: relative;
    z-index: 2;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
}

/* ===== Footer ===== */
.site-footer {
    background: #060a12;
    border-top: 1px solid var(--border-light);
    color: var(--text-secondary);
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
    gap: 48px;
    padding: 56px 0 40px;
}
.footer-brand .logo {
    font-size: 22px;
    margin-bottom: var(--space-12);
}
.footer-brand p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text-muted);
    max-width: 320px;
}
.footer-col h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-16);
    letter-spacing: 0.5px;
}
.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-col ul li a {
    color: var(--text-secondary);
    font-size: 14px;
    transition: color .25s ease, padding-left .25s ease;
}
.footer-col ul li a:hover {
    color: var(--accent);
    padding-left: 4px;
}
.footer-contact p {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 10px;
}
.footer-contact p i {
    color: var(--accent);
    font-size: 14px;
}
.footer-bottom {
    border-top: 1px solid var(--border-light);
    padding: 20px 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    font-size: 13px;
    color: var(--text-muted);
}

/* ===== Back to top ===== */
.back-top {
    position: fixed;
    bottom: 28px;
    right: 24px;
    z-index: 99;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--accent);
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all .3s ease;
    box-shadow: var(--shadow-md);
}
.back-top.show {
    opacity: 1;
    visibility: visible;
}
.back-top:hover {
    background: var(--bg-card-hover);
    transform: translateY(-3px);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .steps-grid,
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px 16px;
    }
    .stat-item {
        border-right: none;
        padding: 10px;
    }
    .tips-layout {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
    .nav-panel {
        gap: 4px;
    }
    .nav-item {
        padding: 8px 12px;
        font-size: 13px;
    }
}

@media (max-width: 768px) {
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }
    .section {
        padding: var(--space-48) 0;
    }
    .site-header {
        position: sticky;
    }
    .nav-panel {
        display: none;
        position: absolute;
        top: calc(100% + 8px);
        left: 16px;
        right: 16px;
        flex-direction: column;
        align-items: stretch;
        background: rgba(17, 28, 48, 0.98);
        backdrop-filter: blur(16px);
        border-radius: 18px;
        padding: 14px;
        border: 1px solid var(--border);
        box-shadow: var(--shadow-md);
        z-index: 100;
    }
    .nav-panel.open {
        display: flex;
    }
    .nav-item {
        padding: 12px 16px;
        border-radius: 12px;
    }
    .nav-toggle {
        display: flex;
    }
    .header-actions .btn {
        display: none;
    }
    .page-banner {
        padding: 48px 0 40px;
    }
    .banner-content h1 {
        font-size: 30px;
    }
    .steps-grid,
    .card-grid {
        grid-template-columns: 1fr;
    }
    .stats-bar {
        grid-template-columns: 1fr 1fr;
        margin-top: -20px;
        padding: 24px 16px;
    }
    .stat-num {
        font-size: 26px;
    }
    .cta-panel {
        padding: 36px 24px;
    }
    .cta-panel h2 {
        font-size: 24px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
        padding: 40px 0 28px;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 520px) {
    .banner-content h1 {
        font-size: 25px;
    }
    .banner-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .banner-actions .btn {
        width: 100%;
    }
    .stats-bar {
        grid-template-columns: 1fr 1fr;
        gap: 16px;
    }
    .stat-item {
        padding: 4px;
    }
    .tips-item {
        flex-direction: column;
        align-items: flex-start;
    }
    .section-head h2 {
        font-size: 26px;
    }
    .cta-actions {
        flex-direction: column;
        align-items: stretch;
    }
    .cta-actions .btn {
        width: 100%;
    }
}

/* roulang page: category2 */
/* ===== Design Variables ===== */
:root {
  --primary: #00e6a0;
  --primary-dark: #00c48a;
  --primary-glow: rgba(0, 230, 160, 0.18);
  --accent: #ff2e88;
  --accent-glow: rgba(255, 46, 136, 0.15);
  --bg-dark: #0a0e17;
  --bg-panel: #111827;
  --bg-card: #151d2c;
  --bg-card-hover: #1a2334;
  --text-light: #f0f6ff;
  --text-body: #aebccf;
  --text-muted: #6b7a90;
  --border-dark: #1e2a3a;
  --border-light: #24344a;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 40px var(--primary-glow);
  --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --font: "Inter", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

/* ===== Reset / Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  background: var(--bg-dark);
  color: var(--text-body);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: 1rem; border: none; outline: none; background: none; }
.container { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 24px; }
section { position: relative; }

/* ===== Typography ===== */
h1, h2, h3, h4, h5 { color: var(--text-light); line-height: 1.3; font-weight: 700; }
.section-title { font-size: clamp(1.6rem, 4vw, 2.4rem); letter-spacing: -0.02em; }
.section-subtitle { font-size: 1.05rem; color: var(--text-body); margin-top: 8px; max-width: 640px; }
.text-gradient { background: linear-gradient(90deg, var(--primary), #7df0d2 50%, var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-dark);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 16px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.28rem;
  font-weight: 800;
  color: var(--text-light);
  white-space: nowrap;
  letter-spacing: -0.02em;
}
.logo i {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 10px;
  color: #fff;
  font-size: 1.1rem;
  box-shadow: 0 0 24px var(--primary-glow);
}
.nav-panel {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-panel);
  border: 1px solid var(--border-dark);
  border-radius: 40px;
  padding: 5px 6px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 30px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-body);
  transition: var(--transition);
  white-space: nowrap;
}
.nav-item i { font-size: 0.9rem; opacity: 0.8; }
.nav-item:hover {
  color: var(--text-light);
  background: rgba(255, 255, 255, 0.06);
}
.nav-item.active {
  background: linear-gradient(135deg, rgba(0, 230, 160, 0.2), rgba(255, 46, 136, 0.12));
  color: var(--primary);
  box-shadow: 0 0 20px rgba(0, 230, 160, 0.1), inset 0 0 1px rgba(0, 230, 160, 0.4);
}
.header-cta {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #04110b;
  padding: 10px 22px;
  border-radius: 30px;
  font-weight: 700;
  font-size: 0.92rem;
  transition: var(--transition);
  box-shadow: 0 4px 20px var(--primary-glow);
  white-space: nowrap;
}
.header-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--primary-glow);
}
.header-actions { display: flex; align-items: center; gap: 14px; }
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--bg-panel);
  border: 1px solid var(--border-dark);
  color: var(--text-light);
  font-size: 1.2rem;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* ===== Breadcrumb ===== */
.page-breadcrumb {
  padding: 24px 0 0;
  font-size: 0.88rem;
  color: var(--text-muted);
}
.page-breadcrumb a { color: var(--text-body); }
.page-breadcrumb a:hover { color: var(--primary); }
.page-breadcrumb .sep { margin: 0 10px; color: var(--text-muted); opacity: 0.5; }
.page-breadcrumb .current { color: var(--primary); }

/* ===== Hero Banner ===== */
.category-hero {
  position: relative;
  padding: 70px 0 100px;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  overflow: hidden;
}
.category-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10, 14, 23, 0.92) 20%, rgba(10, 14, 23, 0.7) 60%, rgba(10, 14, 23, 0.4));
  z-index: 1;
}
.category-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--bg-dark), transparent);
  z-index: 2;
}
.hero-inner { position: relative; z-index: 3; display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 50px; align-items: center; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-glow);
  border: 1px solid rgba(0, 230, 160, 0.3);
  color: var(--primary);
  padding: 6px 16px;
  border-radius: 30px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
}
.hero-badge i { font-size: 0.8rem; }
.hero-title { font-size: clamp(2rem, 5vw, 3.4rem); font-weight: 800; letter-spacing: -0.03em; margin-bottom: 16px; }
.hero-desc { font-size: 1.1rem; color: var(--text-body); max-width: 540px; margin-bottom: 30px; }
.hero-feature-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 32px; }
.hero-feature-item { display: flex; align-items: center; gap: 10px; font-size: 0.92rem; color: var(--text-body); }
.hero-feature-item i { color: var(--primary); font-size: 0.9rem; }
.hero-stats { display: flex; gap: 40px; margin-top: 36px; padding-top: 30px; border-top: 1px solid var(--border-dark); }
.stat-item .stat-num { font-size: 1.9rem; font-weight: 800; color: var(--text-light); letter-spacing: -0.02em; }
.stat-item .stat-label { font-size: 0.82rem; color: var(--text-muted); margin-top: 2px; }

/* ===== Section Base ===== */
.section-block { padding: 90px 0; }
.section-head { margin-bottom: 48px; display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 20px; }

/* ===== Category Intro Cards ===== */
.intro-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.intro-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.intro-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: var(--transition);
}
.intro-card:hover::before { opacity: 1; }
.intro-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); border-color: var(--border-light); }
.intro-card-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 22px;
  background: var(--primary-glow);
  color: var(--primary);
  border: 1px solid rgba(0, 230, 160, 0.15);
}
.intro-card-title { font-size: 1.18rem; margin-bottom: 10px; }
.intro-card-desc { font-size: 0.93rem; color: var(--text-body); line-height: 1.8; }

/* ===== Play Types Section (Dark Panel) ===== */
.play-types-section { background: var(--bg-panel); border-top: 1px solid var(--border-dark); border-bottom: 1px solid var(--border-dark); }
.section-panel-title { display: flex; align-items: center; gap: 14px; margin-bottom: 12px; }
.section-panel-title .icon-wrap {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), #ff6b2e);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.1rem;
  box-shadow: 0 0 20px var(--accent-glow);
}
.type-tabs { display: flex; flex-wrap: wrap; gap: 10px; margin: 32px 0 36px; }
.type-tab {
  padding: 10px 24px;
  border-radius: 30px;
  background: transparent;
  border: 1px solid var(--border-dark);
  color: var(--text-body);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.type-tab:hover { border-color: var(--primary); color: var(--primary); }
.type-tab.active-tab {
  background: var(--primary-glow);
  border-color: rgba(0, 230, 160, 0.4);
  color: var(--primary);
  box-shadow: 0 0 20px rgba(0, 230, 160, 0.1);
}
.play-cards-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.play-card {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.play-card:hover { border-color: var(--border-light); transform: translateY(-2px); box-shadow: var(--shadow-card); }
.play-card-img { position: relative; overflow: hidden; }
.play-card-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.play-card:hover .play-card-img img { transform: scale(1.05); }
.play-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 14, 23, 0.7), transparent);
}
.play-card-body { padding: 28px 30px; display: flex; flex-direction: column; justify-content: center; }
.play-card-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent);
  background: var(--accent-glow);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
  align-self: flex-start;
  letter-spacing: 0.02em;
}
.play-card-title { font-size: 1.2rem; margin-bottom: 8px; color: var(--text-light); }
.play-card-desc { font-size: 0.9rem; color: var(--text-body); line-height: 1.7; margin-bottom: 16px; }
.play-meta { display: flex; gap: 18px; font-size: 0.8rem; color: var(--text-muted); }
.play-meta i { color: var(--primary); margin-right: 4px; }

/* ===== Tips / Guide List ===== */
.guide-section { background: var(--bg-dark); }
.guide-layout { display: grid; grid-template-columns: 0.5fr 1.5fr; gap: 40px; }
.guide-sidebar { position: sticky; top: 100px; align-self: start; }
.guide-sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 28px;
}
.guide-sidebar-card h4 { font-size: 1.05rem; margin-bottom: 18px; color: var(--text-light); }
.guide-sidebar-list li { margin-bottom: 4px; }
.guide-sidebar-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-body);
  font-size: 0.92rem;
  border-left: 3px solid transparent;
  transition: var(--transition);
}
.guide-sidebar-list a:hover {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-light);
  border-left-color: var(--primary);
}
.guide-content { display: flex; flex-direction: column; gap: 28px; }
.guide-article {
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 34px;
  transition: var(--transition);
}
.guide-article:hover { border-color: var(--border-light); box-shadow: var(--shadow-card); }
.guide-article h3 { font-size: 1.3rem; margin-bottom: 16px; display: flex; align-items: center; gap: 12px; }
.guide-article h3 .num {
  font-size: 0.85rem;
  color: var(--primary);
  background: var(--primary-glow);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-weight: 800;
}
.guide-article p { color: var(--text-body); font-size: 0.94rem; margin-bottom: 14px; }
.guide-article ul { margin: 14px 0; }
.guide-article li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 8px;
  font-size: 0.92rem;
  color: var(--text-body);
}
.guide-article li i { color: var(--primary); font-size: 0.85rem; margin-top: 5px; flex-shrink: 0; }
.guide-note {
  background: rgba(255, 46, 136, 0.06);
  border: 1px solid rgba(255, 46, 136, 0.2);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin-top: 18px;
  font-size: 0.9rem;
  color: var(--text-body);
}
.guide-note i { color: var(--accent); margin-right: 8px; }

/* ===== Stats Panel ===== */
.stats-panel-section {
  background: url('/assets/images/backpic/back-1.png') center/cover no-repeat fixed;
  position: relative;
}
.stats-panel-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10, 14, 23, 0.88);
}
.stats-inner { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; padding: 30px 0; }
.stats-box {
  background: rgba(21, 29, 44, 0.8);
  border: 1px solid var(--border-dark);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-lg);
  padding: 34px 26px;
  text-align: center;
  transition: var(--transition);
}
.stats-box:hover { transform: translateY(-4px); border-color: var(--primary); }
.stats-box-num { font-size: 2.4rem; font-weight: 800; color: var(--primary); letter-spacing: -0.03em; line-height: 1.2; }
.stats-box-label { font-size: 0.9rem; color: var(--text-body); margin-top: 8px; }
.stats-box-sub { font-size: 0.78rem; color: var(--text-muted); margin-top: 4px; }

/* ===== Steps / Flow ===== */
.flow-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.flow-step {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 30px 24px;
  transition: var(--transition);
  text-align: center;
}
.flow-step:hover { background: var(--bg-card-hover); transform: translateY(-4px); box-shadow: var(--shadow-card); }
.flow-step-num {
  width: 48px; height: 48px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #04110b;
  font-size: 1.15rem;
  font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 24px var(--primary-glow);
}
.flow-step-title { font-size: 1.05rem; margin-bottom: 8px; }
.flow-step-desc { font-size: 0.88rem; color: var(--text-body); line-height: 1.7; }
.flow-arrow {
  position: absolute;
  top: 50%;
  right: -20px;
  transform: translateY(-50%);
  color: var(--primary);
  font-size: 1.1rem;
  z-index: 5;
  opacity: 0.7;
}

/* ===== Expert Tips ===== */
.tips-section { background: var(--bg-panel); border-top: 1px solid var(--border-dark); border-bottom: 1px solid var(--border-dark); }
.tips-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.tip-card {
  display: flex;
  gap: 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 26px;
  transition: var(--transition);
}
.tip-card:hover { border-color: var(--border-light); box-shadow: var(--shadow-card); transform: translateY(-2px); }
.tip-icon {
  width: 44px; height: 44px;
  flex-shrink: 0;
  border-radius: 12px;
  background: var(--primary-glow);
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  border: 1px solid rgba(0, 230, 160, 0.15);
}
.tip-card h4 { font-size: 1rem; margin-bottom: 8px; }
.tip-card p { font-size: 0.88rem; color: var(--text-body); line-height: 1.75; }

/* ===== FAQ ===== */
.faq-section { background: var(--bg-dark); }
.faq-list { max-width: 880px; margin: 0 auto; }
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: var(--border-light); }
.faq-question {
  padding: 22px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--text-light);
  transition: var(--transition);
  background: transparent;
  width: 100%;
  text-align: left;
}
.faq-question:hover { color: var(--primary); }
.faq-item.open .faq-question { color: var(--primary); }
.faq-question .icon { flex-shrink: 0; font-size: 0.85rem; color: var(--text-muted); transition: var(--transition); }
.faq-item.open .faq-question .icon { transform: rotate(45deg); color: var(--primary); }
.faq-answer {
  padding: 0 28px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-answer-inner { padding-bottom: 22px; font-size: 0.92rem; color: var(--text-body); line-height: 1.8; }

/* ===== CTA ===== */
.cta-panel {
  background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  position: relative;
  padding: 90px 0;
}
.cta-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10, 14, 23, 0.92), rgba(10, 14, 23, 0.6));
}
.cta-inner { position: relative; z-index: 2; text-align: center; max-width: 700px; margin: 0 auto; }
.cta-inner h2 { font-size: clamp(1.7rem, 4vw, 2.4rem); margin-bottom: 16px; }
.cta-inner p { color: var(--text-body); margin-bottom: 32px; font-size: 1.05rem; }
.cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #04110b;
  padding: 14px 34px;
  border-radius: 30px;
  font-weight: 700;
  font-size: 0.98rem;
  transition: var(--transition);
  box-shadow: 0 4px 24px var(--primary-glow);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 36px var(--primary-glow); }
.btn-outline {
  padding: 14px 34px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.98rem;
  color: var(--text-light);
  border: 1px solid var(--border-light);
  background: rgba(255, 255, 255, 0.03);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-glow); }

/* ===== Footer ===== */
.site-footer { background: #0b0f18; border-top: 1px solid var(--border-dark); padding: 70px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 0.8fr 0.8fr 1fr; gap: 48px; padding-bottom: 50px; }
.footer-brand .logo { margin-bottom: 18px; }
.footer-brand p { font-size: 0.9rem; line-height: 1.8; color: var(--text-body); }
.footer-col h4 { font-size: 0.98rem; margin-bottom: 20px; color: var(--text-light); }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { color: var(--text-body); font-size: 0.9rem; transition: var(--transition); }
.footer-col ul a:hover { color: var(--primary); padding-left: 6px; }
.footer-contact p { font-size: 0.9rem; margin-bottom: 12px; color: var(--text-body); }
.footer-contact i { color: var(--primary); margin-right: 8px; width: 16px; }
.footer-bottom {
  padding: 22px 0;
  border-top: 1px solid var(--border-dark);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 0.84rem;
  color: var(--text-muted);
}

/* ===== Responsive ===== */
@media (max-width: 1200px) {
  .nav-panel { gap: 2px; }
  .nav-item { padding: 9px 14px; font-size: 0.88rem; }
  .hero-inner { gap: 30px; }
}

@media (max-width: 1024px) {
  .header-cta { display: none; }
  .nav-panel { order: 3; position: fixed; top: 76px; left: 12px; right: 12px; flex-direction: column; align-items: stretch; background: var(--bg-panel); border-radius: 16px; padding: 12px; box-shadow: 0 16px 50px rgba(0,0,0,0.5); display: none; }
  .nav-panel.nav-open { display: flex; }
  .nav-item { padding: 14px 16px; border-radius: 12px; font-size: 0.95rem; }
  .nav-toggle { display: flex; }
  .hero-inner { grid-template-columns: 1fr; gap: 30px; }
  .hero-right { display: none; }
  .intro-grid { grid-template-columns: 1fr; }
  .play-cards-grid { grid-template-columns: 1fr; }
  .play-card { grid-template-columns: 160px 1fr; }
  .guide-layout { grid-template-columns: 1fr; }
  .guide-sidebar { position: static; }
  .stats-inner { grid-template-columns: repeat(2, 1fr); }
  .flow-grid { grid-template-columns: repeat(2, 1fr); }
  .tips-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-arrow { display: none; }
}

@media (max-width: 768px) {
  .section-block { padding: 60px 0; }
  .header-inner { height: 64px; }
  .logo { font-size: 1.1rem; }
  .logo i { width: 32px; height: 32px; font-size: 0.95rem; }
  .category-hero { padding: 50px 0 70px; }
  .hero-title { font-size: 1.8rem; }
  .hero-feature-list { grid-template-columns: 1fr; }
  .hero-stats { flex-wrap: wrap; gap: 24px; }
  .play-card { grid-template-columns: 1fr; }
  .play-card-img { height: 180px; }
  .guide-article { padding: 24px; }
  .stats-inner { grid-template-columns: 1fr; }
  .flow-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .category-hero .container { padding: 0 16px; }
  .section-head { flex-direction: column; align-items: flex-start; }
  .type-tabs { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 12px; }
  .type-tab { white-space: nowrap; }
  .tips-grid { grid-template-columns: 1fr; }
  .play-card-body { padding: 20px; }
  .stats-box { padding: 24px 18px; }
  .faq-question { padding: 18px 20px; font-size: 0.94rem; }
  .faq-answer { padding: 0 20px; }
}

/* ===== A11y Focus ===== */
a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

/* ===== Utilities ===== */
.img-cover { object-fit: cover; width: 100%; height: 100%; }
.mt-0 { margin-top: 0; }

/* roulang page: category3 */
:root {
  --color-primary: #00e5ff;
  --color-secondary: #a855f7;
  --color-accent: #f59e0b;
  --color-bg: #090e15;
  --color-surface: #111827;
  --color-surface-2: #0d1520;
  --color-border: rgba(148, 163, 184, 0.16);
  --color-text: #e5e7eb;
  --color-text-muted: #94a3b8;
  --color-white: #ffffff;
  --text-muted: #94a3b8;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 999px;
  --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 14px 36px rgba(0, 0, 0, 0.45);
  --shadow-glow: 0 0 28px rgba(0, 229, 255, 0.22);
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 40px;
  --space-5: 64px;
  --space-6: 96px;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

body.no-scroll {
  overflow: hidden;
}

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

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

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

input,
textarea {
  font-family: inherit;
}

ul,
ol {
  list-style: none;
}

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

.section {
  padding: 88px 0;
}

.section--alt {
  background: var(--color-surface-2);
}

.section-head {
  max-width: 720px;
  margin: 0 auto 52px;
  text-align: center;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.2);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.section-title {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.5px;
  margin-bottom: 14px;
  background: linear-gradient(135deg, var(--color-white) 30%, var(--color-primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 16px;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 28px;
  border-radius: var(--radius-full);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.3px;
  transition: var(--transition);
  white-space: nowrap;
  border: 1px solid transparent;
}

.btn i {
  font-size: 14px;
  transition: transform 0.3s ease;
}

.btn:hover i {
  transform: translateX(4px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #080d14;
  box-shadow: 0 8px 24px rgba(0, 229, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0, 229, 255, 0.4);
}

.btn-outline {
  border-color: var(--color-border);
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(6px);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: 0 0 20px rgba(0, 229, 255, 0.15);
  transform: translateY(-2px);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 13px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 700;
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid rgba(0, 229, 255, 0.25);
  color: var(--color-primary);
  letter-spacing: 0.5px;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 120;
  background: rgba(9, 14, 21, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 0;
}

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

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.3px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}

.logo i {
  font-size: 18px;
  color: var(--color-primary);
  -webkit-text-fill-color: var(--color-primary);
}

.nav-panel {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(17, 24, 39, 0.72);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 6px 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.nav-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-full);
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-muted);
  transition: var(--transition);
  white-space: nowrap;
}

.nav-item i {
  font-size: 13px;
}

.nav-item:hover {
  color: var(--color-white);
  background: rgba(0, 229, 255, 0.08);
}

.nav-item.active {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #080d14;
  font-weight: 700;
  box-shadow: 0 6px 20px rgba(0, 229, 255, 0.35);
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--color-border);
  background: rgba(17, 24, 39, 0.6);
  color: var(--color-text);
  font-size: 18px;
  transition: var(--transition);
}

.nav-toggle:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.header-cta .btn {
  padding: 10px 20px;
  font-size: 14px;
}

/* ===== Page Banner ===== */
.page-banner {
  position: relative;
  min-height: 580px;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(80deg, rgba(9, 14, 21, 0.88) 20%, rgba(9, 14, 21, 0.55) 60%, rgba(9, 14, 21, 0.35) 100%),
              linear-gradient(180deg, rgba(9, 14, 21, 0.3) 0%, rgba(9, 14, 21, 0.7) 100%);
}

.banner-content {
  position: relative;
  z-index: 2;
  padding-top: 64px;
  padding-bottom: 64px;
  max-width: 760px;
}

.banner-content .badge {
  margin-bottom: 22px;
  font-size: 13px;
}

.banner-content h1 {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -1px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--color-white) 40%, var(--color-primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.banner-content p {
  font-size: 17px;
  color: rgba(229, 231, 235, 0.85);
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 560px;
}

.banner-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.banner-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.banner-meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--color-text-muted);
}

.banner-meta i {
  color: var(--color-primary);
}

/* ===== Topics ===== */
.topics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.topic-card {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.topic-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 229, 255, 0.35);
  box-shadow: var(--shadow-md);
}

.topic-img {
  position: relative;
  height: 150px;
  overflow: hidden;
}

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

.topic-card:hover .topic-img img {
  transform: scale(1.06);
}

.topic-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(9, 14, 21, 0.1) 30%, rgba(17, 24, 39, 0.92) 100%);
}

.topic-icon {
  position: absolute;
  right: 16px;
  bottom: 14px;
  z-index: 2;
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #080d14;
  font-size: 17px;
  box-shadow: 0 6px 18px rgba(0, 229, 255, 0.3);
}

.topic-body {
  padding: 20px 22px 24px;
}

.topic-body h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-white);
}

.topic-body p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

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

.text-link i {
  transition: transform 0.3s ease;
}

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

.text-link:hover i {
  transform: translateX(4px);
}

/* ===== News Feed ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.news-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.news-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 229, 255, 0.35);
  box-shadow: var(--shadow-md);
}

.news-media {
  position: relative;
  height: 180px;
  overflow: hidden;
}

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

.news-card:hover .news-media img {
  transform: scale(1.06);
}

.news-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(9, 14, 21, 0.1) 40%, rgba(17, 24, 39, 0.55) 100%);
}

.news-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
}

.news-body {
  padding: 22px 22px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.news-body h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--color-white);
  margin-bottom: 10px;
  transition: var(--transition);
}

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

.news-body p {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 18px;
  flex: 1;
}

.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  padding-top: 14px;
}

.news-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.news-meta i {
  color: var(--color-primary);
}

/* ===== Data Panel ===== */
.data-panel {
  position: relative;
  padding: 96px 0;
  background-image: url("/assets/images/backpic/back-1.png");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  overflow: hidden;
}

.data-overlay {
  position: absolute;
  inset: 0;
  background: rgba(9, 14, 21, 0.82);
}

.data-panel .container {
  position: relative;
  z-index: 2;
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-bottom: 48px;
}

.data-item {
  text-align: center;
  padding: 36px 20px;
  background: rgba(17, 24, 39, 0.55);
  border: 1px solid rgba(0, 229, 255, 0.16);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  transition: var(--transition);
}

.data-item:hover {
  border-color: rgba(0, 229, 255, 0.4);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

.data-num {
  font-size: 46px;
  font-weight: 800;
  letter-spacing: -1px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.data-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 1px;
}

.data-panel-cta {
  text-align: center;
}

.data-panel-cta .btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(0, 229, 255, 0.3);
  color: var(--color-primary);
}

.data-panel-cta .btn:hover {
  background: rgba(0, 229, 255, 0.12);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

/* ===== Schedule ===== */
.schedule-list {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
}

.schedule-list::before {
  content: "";
  position: absolute;
  left: 118px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(180deg, var(--color-primary), var(--color-secondary), transparent);
  opacity: 0.5;
}

.schedule-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 24px 28px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 20px;
  transition: var(--transition);
}

.schedule-item:hover {
  border-color: rgba(0, 229, 255, 0.3);
  box-shadow: var(--shadow-sm);
  transform: translateX(6px);
}

.schedule-date {
  flex-shrink: 0;
  width: 76px;
  text-align: center;
  background: rgba(0, 229, 255, 0.06);
  border: 1px solid rgba(0, 229, 255, 0.2);
  border-radius: 14px;
  padding: 10px 6px;
}

.schedule-date .date-day {
  display: block;
  font-size: 26px;
  font-weight: 800;
  line-height: 1.2;
  color: var(--color-primary);
}

.schedule-date .date-month {
  font-size: 12px;
  color: var(--color-text-muted);
  letter-spacing: 1px;
}

.schedule-info {
  flex: 1;
  min-width: 0;
}

.schedule-league {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
}

.schedule-time {
  font-size: 13px;
  color: var(--color-text-muted);
  font-weight: 600;
}

.schedule-info h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 4px;
}

.schedule-info p {
  font-size: 13px;
  color: var(--color-text-muted);
}

.schedule-status {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 700;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.25);
  color: var(--color-accent);
}

.schedule-status.live {
  background: rgba(0, 229, 255, 0.1);
  border: 1px solid rgba(0, 229, 255, 0.25);
  color: var(--color-primary);
}

/* ===== FAQ ===== */
.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: rgba(0, 229, 255, 0.25);
}

.faq-item details summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-white);
  transition: var(--transition);
}

.faq-item details summary::-webkit-details-marker {
  display: none;
}

.faq-item details summary::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 13px;
  color: var(--color-primary);
  transition: transform 0.3s ease;
}

.faq-item details[open] summary::after {
  transform: rotate(180deg);
}

.faq-item details summary:hover {
  color: var(--color-primary);
}

.faq-item details p {
  padding: 0 22px 20px;
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* ===== CTA ===== */
.cta-section {
  padding: 88px 0;
  background: linear-gradient(160deg, rgba(0, 229, 255, 0.04), rgba(168, 85, 247, 0.04));
}

.cta-box {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  padding: 64px 48px;
  text-align: center;
  background: var(--color-surface);
  border: 1px solid rgba(0, 229, 255, 0.2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background-image: url("/assets/images/backpic/back-2.png");
  background-size: cover;
  background-position: center;
}

.cta-box::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(9, 14, 21, 0.72);
}

.cta-box > * {
  position: relative;
  z-index: 2;
}

.cta-box h2 {
  font-size: 34px;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 14px;
}

.cta-box p {
  font-size: 16px;
  color: rgba(229, 231, 235, 0.8);
  margin-bottom: 28px;
}

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

/* ===== Footer ===== */
.site-footer {
  background: #060a10;
  border-top: 1px solid var(--color-border);
  padding: 64px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .logo {
  font-size: 22px;
  margin-bottom: 14px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.8;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}

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

.footer-col ul li a {
  font-size: 14px;
  color: var(--color-text-muted);
  transition: var(--transition);
}

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

.footer-contact p {
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-contact i {
  color: var(--color-primary);
  font-size: 13px;
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--color-text-muted);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .topics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .data-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .header-cta .btn {
    display: none;
  }
}

@media (max-width: 820px) {
  .nav-panel {
    position: fixed;
    top: 72px;
    left: 16px;
    right: 16px;
    flex-direction: column;
    align-items: stretch;
    border-radius: var(--radius-md);
    padding: 12px;
    background: rgba(13, 21, 32, 0.98);
    display: none;
    transform: translateY(-16px);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    z-index: 110;
  }
  .nav-panel.open {
    display: flex;
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav-item {
    justify-content: center;
    padding: 14px 18px;
    font-size: 15px;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .section {
    padding: 64px 0;
  }
  .page-banner {
    min-height: 480px;
  }
  .banner-content h1 {
    font-size: 36px;
  }
  .schedule-list::before {
    left: 40px;
  }
  .schedule-item {
    padding-left: 18px;
  }
  .schedule-date {
    width: 64px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .topics-grid {
    grid-template-columns: 1fr;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .faq-grid {
    grid-template-columns: 1fr;
  }
  .data-grid {
    grid-template-columns: 1fr;
  }
  .section-title {
    font-size: 28px;
  }
  .banner-content h1 {
    font-size: 30px;
  }
  .banner-content p {
    font-size: 15px;
  }
  .banner-actions {
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
  }
  .banner-actions .btn {
    width: 100%;
  }
  .schedule-item {
    flex-wrap: wrap;
    gap: 16px;
  }
  .schedule-date {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
  }
  .schedule-date .date-day {
    font-size: 20px;
  }
  .schedule-list::before {
    display: none;
  }
  .cta-box {
    padding: 40px 24px;
  }
  .cta-box h2 {
    font-size: 26px;
  }
  .cta-actions {
    flex-direction: column;
    width: 100%;
  }
  .cta-actions .btn {
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}