/* roulang page: index */
:root {
    --bg-primary:#0A0E1F;
    --bg-secondary:#101631;
    --bg-card:rgba(255,255,255,0.05);
    --border-card:rgba(255,255,255,0.1);
    --primary:#3B82F6;
    --accent:#00D4FF;
    --purple:#8B5CF6;
    --success:#10B981;
    --warning:#F59E0B;
    --danger:#EF4444;
    --text-main:#F0F4FF;
    --text-secondary:#94A3C3;
    --text-muted:#64748B;
    --radius:16px;
    --radius-lg:20px;
    --radius-sm:10px;
    --radius-pill:999px;
    --shadow-default:0 8px 32px rgba(0,0,0,0.3);
    --shadow-hover:0 12px 48px rgba(0,212,255,0.15);
    --font-main:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
    --font-num:"DIN Alternate","Bahnschrift","Arial Narrow",sans-serif;
    --transition:0.3s ease;
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
    font-family:var(--font-main);
    background:var(--bg-primary);
    color:var(--text-main);
    line-height:1.75;
    overflow-x:hidden;
}
a { text-decoration:none; color:inherit; transition:var(--transition); }
img { max-width:100%; height:auto; display:block; }
button { border:none; outline:none; cursor:pointer; font-family:inherit; }
input, select, textarea { font-family:inherit; }
ul, ol { list-style:none; }
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
section { padding:96px 0; }
.section-head { text-align:center; margin-bottom:56px; }
.section-head h2 {
    font-size:clamp(1.4rem,2.4vw,2rem);
    font-weight:700;
    color:var(--text-main);
    letter-spacing:-0.01em;
    position:relative;
    display:inline-block;
}
.section-head h2::after {
    content:"";
    position:absolute;
    left:50%; bottom:-12px;
    transform:translateX(-50%);
    width:48px; height:3px;
    border-radius:3px;
    background:linear-gradient(90deg,var(--accent),var(--purple));
}
.section-head p {
    color:var(--text-secondary);
    max-width:560px;
    margin:20px auto 0;
    font-size:1rem;
}

/* ===== 按钮 ===== */
.btn-glow {
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:12px 28px;
    border-radius:var(--radius-sm);
    font-weight:600;
    font-size:0.95rem;
    color:#fff;
    background:linear-gradient(135deg,var(--primary),var(--accent));
    box-shadow:0 4px 24px rgba(0,212,255,0.3);
    transition:all .3s ease;
    border:none;
}
.btn-glow:hover {
    transform:translateY(-2px);
    box-shadow:0 6px 32px rgba(0,212,255,0.45);
    color:#fff;
}
.btn-outline {
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:12px 28px;
    border-radius:var(--radius-sm);
    font-weight:600;
    font-size:0.95rem;
    color:var(--text-main);
    background:transparent;
    border:1px solid rgba(255,255,255,0.25);
    transition:all .3s ease;
}
.btn-outline:hover {
    border-color:var(--accent);
    color:var(--accent);
    background:rgba(0,212,255,0.06);
    transform:translateY(-2px);
}
.btn-primary-glow {
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:10px 22px;
    border-radius:var(--radius-sm);
    font-weight:600;
    font-size:0.9rem;
    color:#fff;
    background:linear-gradient(135deg,var(--primary),var(--accent));
    box-shadow:0 4px 20px rgba(0,212,255,0.25);
    transition:all .3s ease;
    border:none;
}
.btn-primary-glow:hover { transform:translateY(-2px); box-shadow:0 6px 28px rgba(0,212,255,0.4); color:#fff; }
.btn-login {
    display:inline-flex;
    align-items:center;
    padding:9px 20px;
    border-radius:var(--radius-sm);
    font-weight:500;
    font-size:0.9rem;
    color:var(--text-secondary);
    background:transparent;
    border:1px solid rgba(255,255,255,0.15);
    transition:all .3s ease;
}
.btn-login:hover { color:var(--text-main); border-color:rgba(255,255,255,0.4); }

/* ===== 导航 ===== */
.site-header {
    position:fixed;
    top:0; left:0; width:100%;
    height:72px;
    z-index:1000;
    background:rgba(10,14,31,0.6);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-bottom:1px solid transparent;
    transition:all .4s ease;
}
.site-header.scrolled {
    background:rgba(10,14,31,0.85);
    border-bottom:1px solid rgba(255,255,255,0.08);
    box-shadow:0 8px 32px rgba(0,0,0,0.35);
}
.site-header .navbar { padding:0; min-height:72px; }
.site-header .navbar-brand {
    display:flex;
    align-items:center;
    gap:10px;
    font-weight:800;
    font-size:1.2rem;
    color:var(--text-main);
    letter-spacing:-0.01em;
}
.site-header .navbar-brand i {
    font-size:1.35rem;
    color:var(--accent);
    filter:drop-shadow(0 0 8px rgba(0,212,255,0.4));
}
.site-header .navbar-brand .brand-full { font-size:0.85rem; color:var(--text-muted); font-weight:400; margin-left:2px; }
.navbar-nav {
    display:flex;
    align-items:center;
    gap:4px;
}
.navbar-nav .nav-link {
    padding:10px 18px;
    font-size:0.95rem;
    font-weight:500;
    color:var(--text-secondary);
    border-radius:8px;
    position:relative;
    transition:all .3s ease;
}
.navbar-nav .nav-link:hover { color:var(--text-main); }
.navbar-nav .nav-link.active { color:var(--text-main); }
.navbar-nav .nav-link.active::after {
    content:"";
    position:absolute;
    left:18px; right:18px; bottom:2px;
    height:2px;
    border-radius:2px;
    background:var(--accent);
    box-shadow:0 0 12px rgba(0,212,255,0.5);
}
.nav-right {
    display:flex;
    align-items:center;
    gap:12px;
}
.search-box {
    position:relative;
    display:flex;
    align-items:center;
}
.search-box input {
    width:180px;
    height:38px;
    padding:0 40px 0 16px;
    border-radius:var(--radius-pill);
    background:rgba(255,255,255,0.06);
    border:1px solid rgba(255,255,255,0.1);
    color:var(--text-main);
    font-size:0.85rem;
    outline:none;
    transition:all .4s ease;
}
.search-box input::placeholder { color:var(--text-muted); }
.search-box input:focus {
    width:240px;
    border-color:var(--accent);
    box-shadow:0 0 0 4px rgba(0,212,255,0.1);
    background:rgba(255,255,255,0.08);
}
.search-box i {
    position:absolute;
    right:14px;
    color:var(--text-muted);
    font-size:0.85rem;
    pointer-events:none;
}
.navbar-toggler { border-color:rgba(255,255,255,0.2); }
.navbar-toggler:focus { box-shadow:none; }
.navbar-toggler-icon {
    background-image:url("data:image/svg+xml,%3csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3e%3cpath stroke='rgba(240,244,255,0.7)' stroke-width='2' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ===== Hero ===== */
.hero {
    position:relative;
    min-height:90vh;
    display:flex;
    align-items:center;
    padding:0;
    overflow:hidden;
    background:var(--bg-primary);
}
.hero-bg {
    position:absolute;
    inset:0;
    background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    opacity:0.25;
    z-index:0;
}
.hero::before {
    content:"";
    position:absolute;
    inset:0;
    background:
        linear-gradient(135deg,rgba(10,14,31,0.9) 0%,rgba(10,14,31,0.7) 50%,rgba(16,22,49,0.85) 100%);
    z-index:1;
}
.hero::after {
    content:"";
    position:absolute;
    inset:0;
    background:
        radial-gradient(600px circle at 15% 30%,rgba(0,212,255,0.12),transparent 60%),
        radial-gradient(800px circle at 85% 75%,rgba(139,92,246,0.1),transparent 60%);
    z-index:1;
}
.hero-grid {
    position:absolute;
    inset:0;
    background-image:
        linear-gradient(rgba(255,255,255,0.03) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,0.03) 1px,transparent 1px);
    background-size:60px 60px;
    z-index:1;
}
.hero .container { position:relative; z-index:5; text-align:center; padding-top:100px; padding-bottom:60px; }
.hero h1 {
    font-size:clamp(2.4rem,5vw,4rem);
    font-weight:800;
    line-height:1.2;
    letter-spacing:-0.02em;
    color:var(--text-main);
    margin:0 auto 20px;
    max-width:860px;
}
.hero h1 .highlight {
    background:linear-gradient(90deg,var(--accent),var(--primary));
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
    background-clip:text;
    filter:drop-shadow(0 0 24px rgba(0,212,255,0.25));
}
.hero-sub {
    font-size:clamp(1rem,1.5vw,1.15rem);
    color:var(--text-secondary);
    max-width:620px;
    margin:0 auto 36px;
    line-height:1.8;
}
.hero-search {
    max-width:600px;
    margin:0 auto 32px;
    position:relative;
}
.hero-search input {
    width:100%;
    height:56px;
    padding:0 56px 0 24px;
    border-radius:var(--radius-pill);
    background:rgba(255,255,255,0.07);
    border:1px solid rgba(255,255,255,0.12);
    color:var(--text-main);
    font-size:1rem;
    outline:none;
    backdrop-filter:blur(10px);
    transition:all .3s ease;
}
.hero-search input:focus {
    border-color:var(--accent);
    box-shadow:0 0 0 5px rgba(0,212,255,0.12), 0 8px 32px rgba(0,212,255,0.1);
    background:rgba(255,255,255,0.1);
}
.hero-search i {
    position:absolute;
    right:22px; top:50%;
    transform:translateY(-50%);
    color:var(--accent);
    font-size:1.1rem;
}
.hero-cta {
    display:flex;
    justify-content:center;
    gap:16px;
    flex-wrap:wrap;
    margin-bottom:48px;
}
.hero-stats {
    display:flex;
    justify-content:center;
    gap:16px;
    flex-wrap:wrap;
}
.hero-stat {
    flex:1;
    min-width:150px;
    max-width:220px;
    padding:20px 16px;
    background:var(--bg-card);
    border:1px solid var(--border-card);
    border-radius:var(--radius);
    backdrop-filter:blur(10px);
    transition:all .3s ease;
}
.hero-stat:hover {
    border-color:rgba(0,212,255,0.3);
    box-shadow:var(--shadow-hover);
    transform:translateY(-4px);
}
.hero-stat .num {
    font-family:var(--font-num);
    font-size:2rem;
    font-weight:800;
    color:var(--accent);
    line-height:1.2;
}
.hero-stat .label {
    font-size:0.85rem;
    color:var(--text-secondary);
    margin-top:4px;
}

/* ===== 服务区 ===== */
.services-section { background:var(--bg-secondary); position:relative; overflow:hidden; }
.services-section::before {
    content:"";
    position:absolute;
    top:-200px; right:-200px;
    width:400px; height:400px;
    background:radial-gradient(circle,rgba(0,212,255,0.06),transparent 70%);
    border-radius:50%;
    pointer-events:none;
}
.service-card {
    position:relative;
    background:var(--bg-card);
    border:1px solid var(--border-card);
    border-radius:var(--radius);
    padding:32px 28px;
    height:100%;
    backdrop-filter:blur(16px);
    transition:all .4s ease;
    overflow:hidden;
}
.service-card::before {
    content:"";
    position:absolute;
    top:-1px; left:20px; right:20px;
    height:1px;
    background:linear-gradient(90deg,transparent,rgba(255,255,255,0.2),transparent);
}
.service-card::after {
    content:"";
    position:absolute;
    top:0; left:0;
    width:100%; height:100%;
    background:linear-gradient(135deg,rgba(0,212,255,0.03),transparent 40%);
    opacity:0;
    transition:opacity .4s ease;
    pointer-events:none;
}
.service-card:hover {
    border-color:rgba(0,212,255,0.3);
    box-shadow:var(--shadow-hover);
    transform:translateY(-4px);
}
.service-card:hover::after { opacity:1; }
.service-card .icon-box {
    width:56px; height:56px;
    border-radius:16px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:1.4rem;
    color:var(--accent);
    background:rgba(0,212,255,0.08);
    border:1px solid rgba(0,212,255,0.2);
    margin-bottom:20px;
    transition:all .4s ease;
}
.service-card:hover .icon-box {
    background:rgba(0,212,255,0.15);
    box-shadow:0 0 20px rgba(0,212,255,0.2);
    transform:scale(1.05);
}
.service-card h3 { font-size:1.15rem; font-weight:700; margin-bottom:12px; color:var(--text-main); }
.service-card p { font-size:0.9rem; color:var(--text-secondary); margin-bottom:16px; line-height:1.7; }
.service-card .card-link {
    font-size:0.88rem;
    color:var(--accent);
    font-weight:500;
    display:inline-flex;
    align-items:center;
    gap:6px;
    transition:gap .3s ease;
}
.service-card .card-link:hover { gap:10px; }
.service-card.featured {
    background:linear-gradient(135deg,rgba(0,212,255,0.1),rgba(59,130,246,0.05) 50%,rgba(139,92,246,0.08));
    border-color:rgba(0,212,255,0.25);
}
.service-card.featured .icon-box {
    width:64px; height:64px;
    font-size:1.6rem;
}

/* ===== 数据区 ===== */
.stats-section { background:var(--bg-primary); position:relative; overflow:hidden; }
.stats-section::before {
    content:"";
    position:absolute;
    inset:0;
    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,0.02) 1px,transparent 1px);
    background-size:80px 80px;
    pointer-events:none;
}
.stat-block {
    position:relative;
    text-align:center;
    padding:40px 24px;
    background:rgba(255,255,255,0.02);
    border:1px solid rgba(255,255,255,0.05);
    border-radius:var(--radius-lg);
    transition:all .4s ease;
}
.stat-block:hover {
    border-color:rgba(0,212,255,0.2);
    background:rgba(0,212,255,0.03);
    transform:translateY(-4px);
}
.stat-block .stat-number {
    font-family:var(--font-num);
    font-size:3.2rem;
    font-weight:800;
    line-height:1.1;
    background:linear-gradient(180deg,var(--accent),var(--primary));
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
    background-clip:text;
    filter:drop-shadow(0 4px 20px rgba(0,212,255,0.15));
}
.stat-block .stat-suffix {
    font-size:1.6rem;
    font-weight:800;
    color:var(--accent);
}
.stat-block .stat-label {
    font-size:0.95rem;
    color:var(--text-secondary);
    margin-top:10px;
}
.stat-block .stat-desc {
    font-size:0.82rem;
    color:var(--text-muted);
    margin-top:6px;
}

/* ===== 案例区 ===== */
.cases-section { background:var(--bg-secondary); position:relative; }
.case-card {
    border-radius:var(--radius-lg);
    overflow:hidden;
    background:var(--bg-card);
    border:1px solid var(--border-card);
    transition:all .4s ease;
    height:100%;
}
.case-card:hover {
    border-color:rgba(0,212,255,0.3);
    box-shadow:var(--shadow-hover);
    transform:translateY(-6px);
}
.case-cover {
    position:relative;
    aspect-ratio:16/9;
    overflow:hidden;
}
.case-cover img {
    width:100%; height:100%;
    object-fit:cover;
    transition:transform .6s ease;
}
.case-card:hover .case-cover img { transform:scale(1.05); }
.case-cover .case-tag {
    position:absolute;
    top:14px; left:14px;
    padding:4px 14px;
    background:rgba(0,212,255,0.9);
    color:#0A0E1F;
    font-size:0.78rem;
    font-weight:700;
    border-radius:var(--radius-pill);
    z-index:2;
}
.case-body { padding:24px; }
.case-body h3 { font-size:1.05rem; font-weight:700; color:var(--text-main); margin-bottom:10px; }
.case-body p { font-size:0.88rem; color:var(--text-secondary); margin-bottom:14px; }
.case-metrics {
    display:flex;
    gap:20px;
    padding-top:14px;
    border-top:1px solid rgba(255,255,255,0.06);
}
.case-metrics span {
    font-size:0.85rem;
    color:var(--text-main);
}
.case-metrics strong {
    color:var(--accent);
    font-family:var(--font-num);
    font-weight:800;
}

/* ===== 资讯区 ===== */
.news-section { background:var(--bg-primary); }
.news-layout {
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:32px;
}
.news-feature {
    background:var(--bg-card);
    border:1px solid var(--border-card);
    border-radius:var(--radius-lg);
    overflow:hidden;
    transition:all .4s ease;
    display:block;
}
.news-feature:hover { border-color:rgba(0,212,255,0.3); box-shadow:var(--shadow-hover); transform:translateY(-4px); }
.news-feature .feature-cover {
    position:relative;
    aspect-ratio:16/10;
    overflow:hidden;
}
.news-feature .feature-cover img {
    width:100%; height:100%;
    object-fit:cover;
    transition:transform .6s ease;
}
.news-feature:hover .feature-cover img { transform:scale(1.04); }
.news-feature .feature-cover .badge-cat {
    position:absolute;
    top:16px; left:16px;
    padding:4px 14px;
    background:linear-gradient(135deg,var(--accent),var(--primary));
    color:#fff;
    font-size:0.78rem;
    font-weight:600;
    border-radius:var(--radius-pill);
    z-index:2;
}
.news-feature .feature-body { padding:28px; }
.news-feature .feature-body h3 {
    font-size:1.2rem;
    font-weight:700;
    color:var(--text-main);
    margin-bottom:12px;
    line-height:1.4;
}
.news-feature .feature-body p {
    font-size:0.92rem;
    color:var(--text-secondary);
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
    margin-bottom:16px;
}
.news-feature .feature-meta {
    display:flex;
    align-items:center;
    gap:16px;
    font-size:0.82rem;
    color:var(--text-muted);
}
.news-feature .feature-meta i { color:var(--accent); margin-right:4px; }
.news-list {
    display:flex;
    flex-direction:column;
    gap:16px;
}
.news-item {
    display:flex;
    align-items:center;
    gap:20px;
    padding:20px;
    background:var(--bg-card);
    border:1px solid var(--border-card);
    border-radius:var(--radius);
    transition:all .3s ease;
}
.news-item:hover { border-color:rgba(0,212,255,0.3); background:rgba(0,212,255,0.03); }
.news-item .item-cover {
    width:120px; height:76px;
    border-radius:10px;
    overflow:hidden;
    flex-shrink:0;
}
.news-item .item-cover img {
    width:100%; height:100%;
    object-fit:cover;
}
.news-item .item-body { flex:1; min-width:0; }
.news-item .item-body .badge-cat {
    display:inline-block;
    padding:2px 10px;
    background:rgba(139,92,246,0.15);
    color:var(--purple);
    font-size:0.72rem;
    border-radius:var(--radius-pill);
    margin-bottom:6px;
}
.news-item .item-body h4 {
    font-size:0.95rem;
    font-weight:600;
    color:var(--text-main);
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
    margin-bottom:6px;
}
.news-item .item-body .item-meta {
    font-size:0.78rem;
    color:var(--text-muted);
    display:flex;
    align-items:center;
    gap:12px;
}
.news-item .item-body .item-meta i { color:var(--accent); margin-right:4px; }
.empty-state {
    grid-column:1/-1;
    text-align:center;
    padding:60px 0;
    background:var(--bg-card);
    border:1px dashed rgba(255,255,255,0.15);
    border-radius:var(--radius-lg);
}
.empty-state i {
    font-size:3rem;
    color:var(--text-muted);
    margin-bottom:16px;
}
.empty-state p { color:var(--text-secondary); font-size:0.95rem; }

/* ===== 方案区 ===== */
.solutions-section {
    background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    position:relative;
}
.solutions-section::before {
    content:"";
    position:absolute;
    inset:0;
    background:linear-gradient(90deg,rgba(10,14,31,0.95) 0%,rgba(10,14,31,0.88) 40%,rgba(16,22,49,0.85) 100%);
}
.solutions-section .container { position:relative; z-index:2; }
.solutions-left h2 {
    font-size:clamp(1.4rem,2.4vw,2rem);
    font-weight:700;
    margin-bottom:20px;
    color:var(--text-main);
}
.solutions-left p {
    color:var(--text-secondary);
    margin-bottom:24px;
    font-size:1rem;
    line-height:1.8;
}
.solution-point {
    display:flex;
    flex-direction:row;
    align-items:flex-start;
    gap:14px;
    margin-bottom:20px;
}
.solution-point .point-icon {
    width:42px; height:42px;
    border-radius:12px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:1rem;
    color:var(--accent);
    background:rgba(0,212,255,0.08);
    border:1px solid rgba(0,212,255,0.2);
    flex-shrink:0;
}
.solution-point h4 { font-size:0.95rem; font-weight:700; color:var(--text-main); margin-bottom:4px; }
.solution-point p { font-size:0.85rem; color:var(--text-muted); line-height:1.6; margin:0; }
.solutions-grid {
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:20px;
}

/* ===== FAQ ===== */
.faq-section { background:var(--bg-secondary); }
.faq-wrap { max-width:800px; margin:0 auto; }
.faq-item {
    background:var(--bg-card);
    border:1px solid var(--border-card);
    border-radius:var(--radius);
    margin-bottom:16px;
    overflow:hidden;
    transition:all .3s ease;
}
.faq-item:hover { border-color:rgba(0,212,255,0.2); }
.faq-item.active { border-color:rgba(0,212,255,0.3); }
.faq-question {
    display:flex;
    align-items:center;
    gap:14px;
    padding:20px 24px;
    cursor:pointer;
    background:transparent;
    width:100%;
    text-align:left;
    color:var(--text-main);
    font-size:0.98rem;
    font-weight:600;
}
.faq-question .q-icon {
    width:28px; height:28px;
    border-radius:8px;
    background:rgba(0,212,255,0.1);
    color:var(--accent);
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:0.8rem;
    font-weight:700;
    flex-shrink:0;
}
.faq-question .toggle-icon {
    margin-left:auto;
    font-size:1rem;
    color:var(--text-muted);
    transition:transform .4s ease;
    flex-shrink:0;
}
.faq-item.active .toggle-icon { transform:rotate(45deg); color:var(--accent); }
.faq-answer {
    max-height:0;
    overflow:hidden;
    transition:max-height .5s ease;
}
.faq-answer-inner {
    padding:0 24px 20px 66px;
    color:var(--text-secondary);
    font-size:0.9rem;
    line-height:1.8;
}

/* ===== 联系区 ===== */
.contact-section { background:var(--bg-primary); }
.contact-info h2 {
    font-size:clamp(1.4rem,2.4vw,2rem);
    font-weight:700;
    margin-bottom:20px;
}
.contact-info > p { color:var(--text-secondary); margin-bottom:32px; }
.contact-detail {
    display:flex;
    align-items:flex-start;
    gap:16px;
    margin-bottom:24px;
}
.contact-detail .detail-icon {
    width:48px; height:48px;
    border-radius:14px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:1.1rem;
    color:var(--accent);
    background:rgba(0,212,255,0.08);
    border:1px solid rgba(0,212,255,0.2);
    flex-shrink:0;
}
.contact-detail h4 { font-size:0.95rem; font-weight:700; color:var(--text-main); }
.contact-detail p { font-size:0.88rem; color:var(--text-secondary); margin:4px 0 0; }
.social-btns { display:flex; gap:12px; margin-top:28px; }
.social-btns a {
    width:42px; height:42px;
    border-radius:12px;
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:1rem;
    color:var(--text-secondary);
    background:rgba(255,255,255,0.04);
    border:1px solid rgba(255,255,255,0.1);
    transition:all .3s ease;
}
.social-btns a:hover {
    color:var(--accent);
    border-color:rgba(0,212,255,0.3);
    transform:translateY(-3px);
    box-shadow:0 4px 16px rgba(0,212,255,0.15);
}
.contact-form {
    background:var(--bg-card);
    border:1px solid var(--border-card);
    border-radius:var(--radius-lg);
    padding:36px;
    backdrop-filter:blur(10px);
}
.contact-form .form-label { font-size:0.85rem; font-weight:600; color:var(--text-main); margin-bottom:6px; }
.contact-form .form-control {
    background:rgba(255,255,255,0.06);
    border:1px solid rgba(255,255,255,0.1);
    border-radius:var(--radius-sm);
    padding:12px 16px;
    color:var(--text-main);
    font-size:0.92rem;
    transition:all .3s ease;
}
.contact-form .form-control:focus {
    background:rgba(255,255,255,0.08);
    border-color:var(--accent);
    box-shadow:0 0 0 4px rgba(0,212,255,0.1);
    color:var(--text-main);
}
.contact-form .form-control::placeholder { color:var(--text-muted); }
.contact-form select.form-control {
    appearance:none;
    -webkit-appearance:none;
    background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%2394A3C3' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat:no-repeat;
    background-position:right 16px center;
    background-size:12px;
}
.contact-form textarea.form-control { resize:vertical; min-height:110px; }
.contact-form .btn-glow { width:100%; padding:14px; font-size:1rem; }

/* ===== FAQ CTA ===== */
.cta-banner {
    background:linear-gradient(135deg,rgba(0,212,255,0.15),rgba(139,92,246,0.1));
    border:1px solid rgba(0,212,255,0.2);
    border-radius:var(--radius-lg);
    padding:48px 40px;
    text-align:center;
    position:relative;
    overflow:hidden;
}
.cta-banner::before {
    content:"";
    position:absolute;
    top:-60px; right:-60px;
    width:200px; height:200px;
    background:radial-gradient(circle,rgba(0,212,255,0.15),transparent 70%);
    border-radius:50%;
}
.cta-banner h3 { font-size:1.4rem; font-weight:700; margin-bottom:12px; }
.cta-banner p { color:var(--text-secondary); max-width:500px; margin:0 auto 24px; }

/* ===== 页脚 ===== */
.site-footer {
    background:var(--bg-secondary);
    border-top:1px solid rgba(255,255,255,0.06);
    padding:64px 0 0;
}
.footer-brand { margin-bottom:24px; }
.footer-brand .logo-text {
    display:flex;
    align-items:center;
    gap:10px;
    font-size:1.2rem;
    font-weight:800;
    color:var(--text-main);
    margin-bottom:16px;
}
.footer-brand .logo-text i { color:var(--accent); }
.footer-brand p { font-size:0.88rem; color:var(--text-secondary); line-height:1.7; }
.footer-col h4 {
    font-size:1rem;
    font-weight:700;
    color:var(--text-main);
    margin-bottom:20px;
    position:relative;
    padding-bottom:10px;
}
.footer-col h4::after {
    content:"";
    position:absolute;
    bottom:0; left:0;
    width:24px; height:2px;
    background:var(--accent);
    border-radius:2px;
}
.footer-col ul li { margin-bottom:10px; }
.footer-col ul li a {
    font-size:0.88rem;
    color:var(--text-secondary);
    transition:all .3s ease;
    display:inline-flex;
    align-items:center;
    gap:6px;
}
.footer-col ul li a:hover { color:var(--accent); padding-left:4px; }
.footer-subscribe { position:relative; }
.footer-subscribe input {
    width:100%;
    height:44px;
    padding:0 16px;
    border-radius:var(--radius-pill);
    background:rgba(255,255,255,0.06);
    border:1px solid rgba(255,255,255,0.1);
    color:var(--text-main);
    font-size:0.85rem;
    outline:none;
    transition:all .3s ease;
}
.footer-subscribe input:focus { border-color:var(--accent); box-shadow:0 0 0 4px rgba(0,212,255,0.1); }
.footer-subscribe button {
    position:absolute;
    right:4px; top:4px;
    height:36px;
    padding:0 18px;
    border-radius:var(--radius-pill);
    background:linear-gradient(135deg,var(--primary),var(--accent));
    color:#fff;
    font-size:0.82rem;
    font-weight:600;
    transition:all .3s ease;
}
.footer-subscribe button:hover { filter:brightness(1.1); }
.footer-bottom {
    border-top:1px solid rgba(255,255,255,0.06);
    margin-top:48px;
    padding:20px 0;
    text-align:center;
}
.footer-bottom p { font-size:0.82rem; color:var(--text-muted); margin:0; }
.footer-bottom .domain { color:var(--text-secondary); }

/* ===== 响应式 ===== */
@media (max-width: 1199px) {
    .search-box input { width:140px; }
    .search-box input:focus { width:180px; }
    .btn-login { padding:8px 14px; }
    .btn-primary-glow { padding:8px 16px; }
}
@media (max-width: 991px) {
    section { padding:80px 0; }
    .site-header { height:60px; }
    .site-header .navbar { min-height:60px; }
    .navbar-collapse {
        background:rgba(10,14,31,0.98);
        padding:20px;
        border-radius:0 0 16px 16px;
        margin-top:0;
        position:fixed;
        top:60px; left:0; right:0;
        backdrop-filter:blur(20px);
        -webkit-backdrop-filter:blur(20px);
        border-bottom:1px solid rgba(255,255,255,0.08);
    }
    .navbar-nav { align-items:stretch; margin-bottom:16px; }
    .navbar-nav .nav-link { padding:12px 16px; }
    .nav-right { flex-wrap:wrap; gap:10px; }
    .search-box { width:100%; }
    .search-box input { width:100%; }
    .search-box input:focus { width:100%; }
    .hero { min-height:80vh; }
    .news-layout { grid-template-columns:1fr; }
    .solutions-grid { grid-template-columns:1fr; }
}
@media (max-width: 767px) {
    section { padding:64px 0; }
    .hero h1 { font-size:clamp(1.8rem,6vw,2.4rem); }
    .hero-stat { min-width:135px; }
    .stat-block .stat-number { font-size:2.2rem; }
    .service-card { padding:24px 20px; }
    .case-body { padding:20px; }
    .contact-form { padding:24px; }
    .cta-banner { padding:32px 24px; }
    .site-header .navbar-brand { font-size:1rem; }
    .site-header .navbar-brand .brand-full { display:none; }
    .footer-subscribe button { position:static; width:100%; margin-top:8px; }
}
@media (max-width: 520px) {
    .container { padding:0 16px; }
    .hero-cta { flex-direction:column; align-items:stretch; }
    .hero-cta .btn-glow, .hero-cta .btn-outline { width:100%; }
    .hero-stats { grid-template-columns:1fr 1fr; }
    .hero-stat { max-width:none; }
    .news-item { flex-direction:column; align-items:flex-start; gap:12px; }
    .news-item .item-cover { width:100%; height:60px; }
    .footer-bottom { padding:16px; }
}

/* roulang page: category1 */
:root {
            --bg-primary: #0A0E1F;
            --bg-secondary: #101631;
            --bg-band: #141B38;
            --primary: #3B82F6;
            --accent: #00D4FF;
            --secondary: #8B5CF6;
            --success: #10B981;
            --warning: #F59E0B;
            --danger: #EF4444;
            --text-primary: #F0F4FF;
            --text-secondary: #94A3C3;
            --text-muted: #64748B;
            --border-light: rgba(255,255,255,0.1);
            --card-bg: rgba(255,255,255,0.05);
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 20px;
            --shadow-default: 0 8px 32px rgba(0,0,0,0.3);
            --shadow-hover: 0 12px 48px rgba(0,212,255,0.15);
            --transition: 0.3s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.75;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: var(--accent);
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul,
        ol {
            list-style: none;
        }
        button,
        input,
        textarea,
        select {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 72px;
            z-index: 1050;
            background: rgba(10, 14, 31, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
            transition: box-shadow var(--transition), background var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
            background: rgba(10, 14, 31, 0.92);
        }
        .site-header .navbar {
            padding: 0;
            height: 72px;
        }
        .site-header .navbar-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 0;
            margin: 0;
            font-weight: 800;
            font-size: 1.25rem;
            letter-spacing: -0.02em;
            color: var(--text-primary) !important;
        }
        .site-header .navbar-brand i {
            font-size: 1.3rem;
            color: var(--accent);
        }
        .site-header .navbar-brand .brand-full {
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 400;
            margin-left: 4px;
        }
        .site-header .navbar-nav {
            gap: 4px;
            align-items: center;
            height: 72px;
        }
        .site-header .nav-link {
            padding: 8px 18px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary) !important;
            position: relative;
            border-radius: 8px;
            transition: color var(--transition);
        }
        .site-header .nav-link:hover {
            color: var(--text-primary) !important;
        }
        .site-header .nav-link.active {
            color: var(--accent) !important;
        }
        .site-header .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(0, 212, 255, 0.6);
        }
        .nav-right {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .search-box {
            position: relative;
            display: flex;
            align-items: center;
        }
        .search-box input {
            width: 180px;
            height: 38px;
            border: 1px solid var(--border-light);
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-primary);
            font-size: 0.85rem;
            padding: 0 38px 0 16px;
            outline: none;
            transition: all var(--transition);
        }
        .search-box input::placeholder {
            color: var(--text-muted);
        }
        .search-box input:focus {
            width: 240px;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.15);
        }
        .search-box i {
            position: absolute;
            right: 14px;
            font-size: 0.85rem;
            color: var(--text-muted);
            pointer-events: none;
        }
        .btn-login {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 38px;
            padding: 0 18px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            color: var(--text-primary);
            font-size: 0.9rem;
            font-weight: 500;
            background: transparent;
            transition: all var(--transition);
        }
        .btn-login:hover {
            border-color: var(--accent);
            color: var(--accent);
            box-shadow: 0 0 12px rgba(0, 212, 255, 0.1);
        }
        .btn-primary-glow {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 38px;
            padding: 0 20px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent) 0%, var(--secondary) 100%);
            color: #fff !important;
            font-size: 0.9rem;
            font-weight: 600;
            border: none;
            box-shadow: 0 4px 20px rgba(0, 212, 255, 0.3);
            transition: all var(--transition);
        }
        .btn-primary-glow:hover {
            box-shadow: 0 6px 28px rgba(0, 212, 255, 0.5);
            transform: translateY(-2px);
            color: #fff !important;
        }
        .navbar-toggler {
            border: none;
            padding: 0;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }
        .navbar-toggler-icon {
            background-image: none;
            position: relative;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            display: inline-block;
            transition: var(--transition);
        }
        .navbar-toggler-icon::before,
        .navbar-toggler-icon::after {
            content: "";
            position: absolute;
            left: 0;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            transition: var(--transition);
        }
        .navbar-toggler-icon::before {
            top: -7px;
        }
        .navbar-toggler-icon::after {
            top: 7px;
        }
        .page-hero {
            position: relative;
            padding: 180px 0 80px;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 14, 31, 0.85) 0%, rgba(10, 14, 31, 0.75) 60%, var(--bg-primary) 100%);
        }
        .page-hero::after {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 212, 255, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }
        .page-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .page-hero .breadcrumb a {
            color: var(--text-secondary);
        }
        .page-hero .breadcrumb a:hover {
            color: var(--accent);
        }
        .page-hero .breadcrumb i {
            font-size: 0.7rem;
            color: var(--text-muted);
        }
        .page-hero h1 {
            font-size: clamp(2.2rem, 4.5vw, 3.4rem);
            font-weight: 800;
            letter-spacing: -0.03em;
            margin-bottom: 16px;
            background: linear-gradient(135deg, var(--accent) 0%, var(--primary) 60%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-hero .lead {
            font-size: 1.15rem;
            line-height: 1.8;
            color: var(--text-secondary);
            max-width: 640px;
            margin-bottom: 0;
        }
        .page-hero .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 36px;
            flex-wrap: wrap;
        }
        .page-hero .hero-stats .stat {
            display: flex;
            flex-direction: column;
        }
        .page-hero .hero-stats .stat-num {
            font-family: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }
        .page-hero .hero-stats .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 2px;
        }
        .category-intro {
            padding: 96px 0;
            background: var(--bg-primary);
        }
        .category-intro .intro-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
        }
        .category-intro h2 {
            font-size: clamp(1.6rem, 2.8vw, 2.2rem);
            font-weight: 700;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }
        .category-intro p {
            color: var(--text-secondary);
            margin-bottom: 16px;
            font-size: 1rem;
            line-height: 1.8;
        }
        .category-intro .intro-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 24px;
        }
        .category-intro .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(139, 92, 246, 0.15);
            border: 1px solid rgba(139, 92, 246, 0.3);
            color: var(--text-primary);
            font-size: 0.8rem;
            font-weight: 500;
        }
        .category-intro .tag i {
            color: var(--secondary);
            font-size: 0.75rem;
        }
        .category-intro .intro-image {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-default);
        }
        .category-intro .intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 300px;
            transition: transform 0.6s ease;
        }
        .category-intro .intro-image:hover img {
            transform: scale(1.04);
        }
        .category-intro .intro-image::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, transparent 0%, rgba(0, 212, 255, 0.08) 100%);
            border-radius: var(--radius-lg);
        }
        .content-cards {
            padding: 96px 0;
            background: var(--bg-secondary);
            border-top: 1px solid rgba(255, 255, 255, 0.03);
            border-bottom: 1px solid rgba(255, 255, 255, 0.03);
        }
        .section-head {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-head h2 {
            font-size: clamp(1.6rem, 2.8vw, 2.2rem);
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }
        .section-head p {
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            font-size: 0.95rem;
        }
        .game-card {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 100%;
            position: relative;
            transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
        }
        .game-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
        }
        .game-card:hover {
            transform: translateY(-6px);
            border-color: rgba(0, 212, 255, 0.4);
            box-shadow: var(--shadow-hover);
        }
        .game-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
        }
        .game-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .game-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }
        .game-card .card-img-wrap::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(10, 14, 31, 0.6) 100%);
        }
        .game-card .badge-float {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            background: linear-gradient(135deg, var(--accent), var(--primary));
            color: #fff;
            box-shadow: 0 4px 12px rgba(0, 212, 255, 0.3);
            backdrop-filter: blur(4px);
        }
        .game-card .card-body {
            padding: 24px;
        }
        .game-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-primary);
        }
        .game-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .game-card .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .game-card .card-meta span {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .game-card .card-meta i {
            font-size: 0.75rem;
            color: var(--text-muted);
        }
        .service-advantages {
            padding: 96px 0;
            background: var(--bg-primary);
            position: relative;
        }
        .service-advantages::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
            background-size: 40px 40px;
            pointer-events: none;
        }
        .service-advantages .container {
            position: relative;
            z-index: 2;
        }
        .advantage-item {
            text-align: center;
            padding: 36px 24px;
            border-radius: var(--radius-md);
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            height: 100%;
            transition: all var(--transition);
            position: relative;
        }
        .advantage-item:hover {
            border-color: rgba(0, 212, 255, 0.4);
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .advantage-item .icon-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
            font-size: 1.3rem;
            border: 2px solid;
            background: rgba(0, 212, 255, 0.08);
        }
        .advantage-item:nth-child(1) .icon-circle {
            color: var(--accent);
            border-color: var(--accent);
        }
        .advantage-item:nth-child(2) .icon-circle {
            color: var(--primary);
            border-color: var(--primary);
        }
        .advantage-item:nth-child(3) .icon-circle {
            color: var(--secondary);
            border-color: var(--secondary);
        }
        .advantage-item:nth-child(4) .icon-circle {
            color: var(--success);
            border-color: var(--success);
        }
        .advantage-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .advantage-item p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }
        .cta-banner {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--bg-secondary) 0%, #0d1a35 100%);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: "";
            position: absolute;
            top: -100px;
            right: -100px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 212, 255, 0.2) 0%, transparent 70%);
        }
        .cta-banner::after {
            content: "";
            position: absolute;
            bottom: -80px;
            left: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(139, 92, 246, 0.2) 0%, transparent 70%);
        }
        .cta-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-banner h2 {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .cta-banner p {
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 32px;
            font-size: 1rem;
        }
        .cta-banner .cta-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .cta-banner .btn-outline-light-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 44px;
            padding: 0 28px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: var(--text-primary);
            font-size: 0.95rem;
            font-weight: 500;
            background: transparent;
            transition: all var(--transition);
        }
        .cta-banner .btn-outline-light-custom:hover {
            border-color: var(--accent);
            color: var(--accent);
            box-shadow: 0 0 16px rgba(0, 212, 255, 0.1);
        }
        .faq-section {
            padding: 96px 0;
            background: var(--bg-primary);
        }
        .faq-section .accordion {
            max-width: 860px;
            margin: 0 auto;
            --bs-accordion-bg: var(--card-bg);
            --bs-accordion-border-color: var(--border-light);
            --bs-accordion-border-radius: var(--radius-md);
            --bs-accordion-btn-color: var(--text-primary);
            --bs-accordion-btn-bg: transparent;
            --bs-accordion-body-color: var(--text-secondary);
            --bs-accordion-active-bg: rgba(0, 212, 255, 0.06);
            --bs-accordion-active-color: var(--accent);
            --bs-accordion-btn-padding-y: 20px;
            --bs-accordion-btn-padding-x: 24px;
            --bs-accordion-body-padding-x: 24px;
            --bs-accordion-body-padding-y: 0 24px 20px;
        }
        .faq-section .accordion-item {
            background: var(--card-bg);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color var(--transition);
        }
        .faq-section .accordion-item:not(:first-of-type) {
            border-top: 1px solid var(--border-light);
        }
        .faq-section .accordion-item:hover {
            border-color: rgba(0, 212, 255, 0.25);
        }
        .faq-section .accordion-button {
            font-size: 1rem;
            font-weight: 600;
            background: transparent;
            color: var(--text-primary);
            border: none;
            box-shadow: none;
            gap: 12px;
            transition: color var(--transition);
        }
        .faq-section .accordion-button::after {
            background-image: none;
            content: "\f067";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 0.8rem;
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            border: 1px solid var(--border-light);
            border-radius: 8px;
            transition: transform var(--transition);
        }
        .faq-section .accordion-button:not(.collapsed) {
            background: rgba(0, 212, 255, 0.04);
            color: var(--accent);
        }
        .faq-section .accordion-button:not(.collapsed)::after {
            transform: rotate(45deg);
            color: var(--accent);
            border-color: var(--accent);
        }
        .faq-section .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
        }
        .faq-section .accordion-body {
            font-size: 0.9rem;
            line-height: 1.8;
            color: var(--text-secondary);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
        }
        .faq-section .faq-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--accent), var(--primary));
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            flex-shrink: 0;
            margin-right: 4px;
        }
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 72px 0 0;
        }
        .site-footer .footer-brand .logo-text {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .site-footer .footer-brand .logo-text i {
            color: var(--accent);
            font-size: 1.3rem;
        }
        .site-footer .footer-brand p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.8;
            max-width: 340px;
            margin-bottom: 0;
        }
        .site-footer .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .site-footer .footer-col h4::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 2px;
            background: linear-gradient(90deg, var(--accent), var(--secondary));
            border-radius: 2px;
        }
        .site-footer .footer-col ul li {
            margin-bottom: 8px;
        }
        .site-footer .footer-col ul li a {
            color: var(--text-secondary);
            font-size: 0.88rem;
            transition: color var(--transition), padding-left var(--transition);
        }
        .site-footer .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .site-footer .footer-col ul li a i {
            font-size: 0.7rem;
            margin-right: 6px;
            color: var(--text-muted);
        }
        .footer-subscribe {
            display: flex;
            gap: 8px;
            margin-top: 8px;
        }
        .footer-subscribe input {
            flex: 1;
            height: 38px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-primary);
            font-size: 0.85rem;
            padding: 0 14px;
            outline: none;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .footer-subscribe input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.12);
        }
        .footer-subscribe button {
            height: 38px;
            padding: 0 18px;
            border: none;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent), var(--secondary));
            color: #fff;
            font-size: 0.85rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .footer-subscribe button:hover {
            box-shadow: 0 4px 16px rgba(0, 212, 255, 0.4);
            transform: translateY(-1px);
        }
        .footer-bottom {
            margin-top: 56px;
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom p {
            color: var(--text-muted);
            font-size: 0.82rem;
            margin: 0;
        }
        .footer-bottom .domain {
            color: var(--text-secondary);
            font-weight: 500;
        }
        @media (max-width: 1199px) {
            .search-box input {
                width: 150px;
            }
            .search-box input:focus {
                width: 190px;
            }
        }
        @media (max-width: 991px) {
            .site-header {
                height: 60px;
            }
            .site-header .navbar {
                height: 60px;
            }
            .site-header .navbar-nav {
                height: auto;
                padding: 20px 0;
                gap: 0;
            }
            .site-header .nav-link {
                padding: 10px 0;
                font-size: 1rem;
            }
            .site-header .nav-link.active::after {
                display: none;
            }
            .navbar-collapse {
                background: rgba(10, 14, 31, 0.97);
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                padding: 10px 20px 20px;
                margin-top: 0;
                border-bottom: 1px solid var(--border-light);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
            }
            .nav-right {
                flex-direction: column;
                align-items: stretch;
                gap: 8px;
                margin-top: 14px;
            }
            .search-box input {
                width: 100%;
            }
            .search-box input:focus {
                width: 100%;
            }
            .category-intro .intro-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .category-intro .intro-image img {
                min-height: 220px;
            }
            .page-hero {
                padding: 150px 0 60px;
            }
            .page-hero .hero-stats {
                gap: 24px;
            }
        }
        @media (max-width: 767px) {
            .page-hero {
                padding: 130px 0 50px;
                text-align: center;
            }
            .page-hero .lead {
                margin-left: auto;
                margin-right: auto;
            }
            .page-hero .hero-stats {
                justify-content: center;
                gap: 20px;
            }
            .page-hero .hero-stats .stat-num {
                font-size: 1.4rem;
            }
            .category-intro {
                padding: 64px 0;
            }
            .content-cards {
                padding: 64px 0;
            }
            .service-advantages {
                padding: 64px 0;
            }
            .faq-section {
                padding: 64px 0;
            }
            .cta-banner {
                padding: 60px 0;
            }
            .site-footer {
                padding-top: 48px;
            }
            .footer-col {
                margin-bottom: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom p {
                font-size: 0.78rem;
            }
            .game-card .card-body {
                padding: 20px;
            }
            .section-head {
                margin-bottom: 36px;
            }
        }
        @media (max-width: 575px) {
            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero .lead {
                font-size: 1rem;
            }
            .category-intro .tag {
                font-size: 0.75rem;
            }
            .advantage-item {
                padding: 24px 16px;
            }
            .cta-banner .cta-btns {
                flex-direction: column;
                align-items: center;
                width: 100%;
            }
            .cta-banner .btn-primary-glow,
            .cta-banner .btn-outline-light-custom {
                width: 100%;
                max-width: 260px;
            }
            .footer-subscribe {
                flex-direction: column;
            }
            .footer-subscribe button {
                width: 100%;
            }
        }
        @media (max-width: 400px) {
            .site-header .navbar-brand {
                font-size: 1.05rem;
            }
        }

/* roulang page: article */
/* ============ 设计变量 ============ */
:root {
    --bg-primary: #0A0E1F;
    --bg-secondary: #101631;
    --bg-glass: rgba(255,255,255,0.05);
    --border-glass: rgba(255,255,255,0.1);
    --primary: #3B82F6;
    --accent: #00D4FF;
    --purple: #8B5CF6;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --text-primary: #F0F4FF;
    --text-secondary: #94A3C3;
    --text-muted: #64748B;
    --radius-card: 16px;
    --radius-lg: 20px;
    --radius-btn: 10px;
    --shadow-default: 0 8px 32px rgba(0,0,0,0.3);
    --shadow-hover: 0 12px 48px rgba(0,212,255,0.15);
    --transition: 0.3s ease;
    --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
    --font-num: "DIN Alternate", "Bahnschrift", "Arial Narrow", sans-serif;
}

/* ============ 基础 Reset ============ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
    margin: 0;
    font-family: var(--font-cn);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: #33dfff; }
img { max-width: 100%; }
button, input, select, textarea { font-family: inherit; }
::selection { background: rgba(0,212,255,0.25); color: #fff; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* ============ 容器 ============ */
.container { padding-left: 20px; padding-right: 20px; }
@media (min-width: 1200px) {
    .container { max-width: 1200px; }
}

/* ============ 按钮 ============ */
.btn-primary-glow {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--purple) 100%);
    color: #fff !important;
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1.4;
    padding: 11px 24px;
    border-radius: var(--radius-btn);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 0 20px rgba(59,130,246,0.35);
    text-decoration: none;
    white-space: nowrap;
}
.btn-primary-glow:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 32px rgba(0,212,255,0.45);
    filter: brightness(1.08);
    color: #fff;
}
.btn-primary-glow:active { transform: translateY(0); }
.btn-outline-light {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-btn);
    padding: 11px 24px;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.4;
    transition: var(--transition);
    cursor: pointer;
    text-decoration: none;
    white-space: nowrap;
}
.btn-outline-light:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.btn-login {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    padding: 8px 16px;
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-btn);
    background: transparent;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
    text-decoration: none;
    cursor: pointer;
    white-space: nowrap;
}
.btn-login:hover { border-color: var(--accent); color: var(--accent); }

/* ============ 导航 ============ */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1080;
    height: 72px;
    background: transparent;
    transition: var(--transition);
}
.site-header.scrolled {
    background: rgba(10,14,31,0.85);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
    box-shadow: 0 4px 24px rgba(0,0,0,0.25);
}
.site-header .navbar {
    padding: 0;
    height: 72px;
    flex-wrap: nowrap;
}
.navbar-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.01em;
    padding: 0;
    margin-right: 0;
    flex-shrink: 0;
}
.navbar-brand i {
    color: var(--accent);
    font-size: 1.4rem;
    filter: drop-shadow(0 0 6px rgba(0,212,255,0.5));
}
.navbar-brand:hover { color: var(--text-primary); }
.brand-full {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 400;
    margin-left: 2px;
    letter-spacing: 0.02em;
}
.navbar .navbar-nav {
    align-items: center;
    gap: 4px;
    margin: 0 auto;
}
.navbar .nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.925rem;
    padding: 8px 16px;
    border-radius: 8px;
    position: relative;
    transition: var(--transition);
}
.navbar .nav-link:hover { color: var(--text-primary); background: rgba(255,255,255,0.04); }
.navbar .nav-link.active { color: var(--text-primary); }
.navbar .nav-link.active::after {
    content: '';
    position: absolute;
    left: 16px; right: 16px;
    bottom: 2px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
    box-shadow: 0 0 8px rgba(0,212,255,0.5);
}
.nav-right {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.search-box {
    position: relative;
    display: flex;
    align-items: center;
}
.search-box input {
    width: 180px;
    height: 40px;
    border-radius: 999px;
    border: 1px solid var(--border-glass);
    background: rgba(255,255,255,0.05);
    padding: 0 40px 0 16px;
    color: var(--text-primary);
    font-size: 0.85rem;
    outline: none;
    transition: var(--transition);
}
.search-box input::placeholder { color: var(--text-muted); }
.search-box input:focus {
    width: 240px;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0,212,255,0.15);
    background: rgba(255,255,255,0.07);
}
.search-box i {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.85rem;
    pointer-events: none;
}
.navbar-toggler {
    border: 1px solid var(--border-glass);
    border-radius: 10px;
    padding: 6px 10px;
    background: rgba(255,255,255,0.04);
}
.navbar-toggler:focus { box-shadow: 0 0 0 3px rgba(0,212,255,0.15); }
.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(240,244,255,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* ============ 文章 Banner ============ */
.article-banner {
    position: relative;
    padding: 160px 0 72px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}
.article-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10,14,31,0.9) 0%, rgba(10,14,31,0.94) 100%);
    z-index: 1;
}
.article-banner::after {
    content: '';
    position: absolute;
    top: -120px; right: -80px;
    width: 480px; height: 480px;
    background: radial-gradient(circle, rgba(0,212,255,0.12), transparent 70%);
    z-index: 1;
    pointer-events: none;
}
.article-banner .container {
    position: relative;
    z-index: 2;
    animation: fadeInUp 0.6s ease both;
}
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}
.breadcrumb-nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}
.breadcrumb-nav a {
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
.breadcrumb-nav a:hover { color: var(--accent); }
.breadcrumb-nav i.fa-chevron-right {
    font-size: 0.65rem;
    color: var(--text-muted);
}
.breadcrumb-nav span {
    color: var(--text-primary);
    max-width: 320px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.article-cat-badge {
    display: inline-block;
    background: rgba(139,92,246,0.18);
    color: #c4b5fd;
    border: 1px solid rgba(139,92,246,0.4);
    padding: 4px 14px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 500;
    margin-bottom: 16px;
    letter-spacing: 0.02em;
}
.article-title-wrap h1 {
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 18px;
    letter-spacing: -0.01em;
    color: var(--text-primary);
}
.article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    color: var(--text-secondary);
    font-size: 0.875rem;
}
.article-meta span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}
.article-meta i { color: var(--accent); font-size: 0.85rem; }

/* ============ 正文区块 ============ */
.article-section {
    padding: 56px 0 24px;
    background: var(--bg-primary);
    position: relative;
}
.article-layout {
    max-width: 860px;
    margin: 0 auto;
}
.article-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 48px;
    font-size: 1rem;
    line-height: 1.85;
    color: var(--text-primary);
    word-wrap: break-word;
    box-shadow: var(--shadow-default);
}
.article-content > *:first-child { margin-top: 0; }
.article-content > *:last-child { margin-bottom: 0; }
.article-content p { margin-bottom: 1.4em; }
.article-content h3 {
    font-size: 1.32rem;
    font-weight: 700;
    margin: 1.8em 0 0.8em;
    padding-left: 14px;
    border-left: 4px solid var(--accent);
    line-height: 1.4;
}
.article-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 1.6em 0 0.6em;
    color: var(--text-primary);
}
.article-content ul,
.article-content ol {
    margin-bottom: 1.4em;
    padding-left: 1.6em;
}
.article-content li { margin-bottom: 0.5em; }
.article-content ul li::marker { color: var(--accent); }
.article-content ol li::marker { color: var(--accent); font-weight: 600; }
.article-content img {
    border-radius: 12px;
    margin: 1.6em auto;
    max-width: 100%;
    height: auto;
    display: block;
    box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.article-content blockquote {
    border-left: 4px solid var(--accent);
    background: rgba(0,212,255,0.06);
    padding: 18px 24px;
    border-radius: 0 12px 12px 0;
    margin: 1.6em 0;
    color: var(--text-secondary);
    font-style: normal;
}
.article-content blockquote p:last-child { margin-bottom: 0; }
.article-content code {
    background: rgba(139,92,246,0.2);
    color: #a78bfa;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 0.875em;
    padding: 2px 8px;
    border-radius: 6px;
}
.article-content pre {
    background: #0D1226;
    border: 1px solid var(--border-glass);
    border-radius: 12px;
    padding: 20px;
    overflow-x: auto;
    margin: 1.6em 0;
    box-shadow: inset 0 2px 12px rgba(0,0,0,0.3);
}
.article-content pre code { background: transparent; color: #c4b5fd; padding: 0; }
.article-content a { color: var(--accent); text-decoration: underline; text-underline-offset: 4px; }
.article-content a:hover { color: #33dfff; }
.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.6em 0;
    font-size: 0.9rem;
}
.article-content th,
.article-content td {
    padding: 10px 14px;
    border: 1px solid var(--border-glass);
    text-align: left;
}
.article-content th { background: rgba(59,130,246,0.08); font-weight: 600; color: var(--text-primary); }
.article-content tr:nth-child(even) { background: rgba(255,255,255,0.02); }
.article-content hr { border: none; border-top: 1px solid var(--border-glass); margin: 2em 0; }

/* ============ 上一篇 / 下一篇 ============ */
.article-pager {
    display: flex;
    gap: 16px;
    margin-top: 32px;
}
.pager-btn {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 14px;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-card);
    padding: 16px 20px;
    transition: var(--transition);
    color: var(--text-primary);
    text-decoration: none;
    min-width: 0;
}
.pager-btn:hover {
    background: rgba(255,255,255,0.07);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
    color: var(--text-primary);
}
.pager-icon {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(0,212,255,0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    flex-shrink: 0;
    font-size: 0.9rem;
    transition: var(--transition);
}
.pager-btn:hover .pager-icon { background: rgba(0,212,255,0.22); }
.pager-text {
    font-size: 0.9rem;
    font-weight: 500;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.pager-text small {
    display: block;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 400;
    margin-bottom: 2px;
}
.pager-next { justify-content: flex-end; text-align: right; }

/* ============ 内容未找到 ============ */
.not-found-box {
    text-align: center;
    padding: 72px 32px;
    background: var(--bg-secondary);
    border: 1px dashed rgba(255,255,255,0.18);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-default);
}
.not-found-box i {
    font-size: 3.5rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}
.not-found-box h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 12px;
}
.not-found-box p { color: var(--text-secondary); font-size: 0.95rem; margin-bottom: 28px; }

/* ============ 返回资讯中心 ============ */
.back-news {
    text-align: center;
    margin-top: 36px;
}
.back-news a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 10px 20px;
    border-radius: 999px;
    border: 1px solid var(--border-glass);
    background: transparent;
    transition: var(--transition);
}
.back-news a:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: rgba(0,212,255,0.06);
}

/* ============ 相关推荐 ============ */
.related-section {
    padding: 64px 0;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}
.related-section::before {
    content: '';
    position: absolute;
    bottom: -160px; left: -100px;
    width: 360px; height: 360px;
    background: radial-gradient(circle, rgba(139,92,246,0.1), transparent 70%);
    pointer-events: none;
}
.section-head {
    text-align: center;
    margin-bottom: 44px;
    position: relative;
    z-index: 1;
}
.section-head h2 {
    font-size: clamp(1.4rem, 2.4vw, 2rem);
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 8px;
}
.section-head p { color: var(--text-secondary); font-size: 0.925rem; margin: 0; }
.related-card {
    display: block;
    background: var(--bg-primary);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-card);
    overflow: hidden;
    transition: var(--transition);
    height: 100%;
    text-decoration: none;
    color: var(--text-primary);
}
.related-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0,212,255,0.5);
    box-shadow: var(--shadow-hover);
    color: var(--text-primary);
}
.related-cover {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--bg-primary);
}
.related-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.related-card:hover .related-cover img { transform: scale(1.05); }
.hot-badge {
    position: absolute;
    top: 12px; left: 12px;
    background: var(--warning);
    color: #1a1a1a;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 2px 10px;
    border-radius: 999px;
    letter-spacing: 0.02em;
}
.related-info { padding: 20px; }
.related-info h3 {
    font-size: 1rem;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 12px;
    color: var(--text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    min-height: 3em;
}
.related-time {
    color: var(--text-muted);
    font-size: 0.8rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.related-time i { font-size: 0.75rem; }

/* ============ CTA ============ */
.article-cta {
    padding: 72px 0 80px;
    background: var(--bg-primary);
}
.cta-box {
    background: linear-gradient(135deg, rgba(59,130,246,0.16) 0%, rgba(139,92,246,0.16) 100%);
    border: 1px solid rgba(0,212,255,0.3);
    border-radius: var(--radius-lg);
    padding: 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
    box-shadow: var(--shadow-default);
    position: relative;
    overflow: hidden;
}
.cta-box::after {
    content: '';
    position: absolute;
    top: -80px; right: -60px;
    width: 240px; height: 240px;
    background: radial-gradient(circle, rgba(0,212,255,0.18), transparent 70%);
    pointer-events: none;
}
.cta-text { position: relative; z-index: 1; }
.cta-text h2 {
    font-size: clamp(1.3rem, 2.2vw, 1.6rem);
    font-weight: 700;
    margin-bottom: 10px;
}
.cta-text p { color: var(--text-secondary); margin: 0; font-size: 0.95rem; }
.cta-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

/* ============ 页脚 ============ */
.site-footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-glass);
    padding: 64px 0 24px;
    position: relative;
}
.footer-brand .logo-text {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}
.footer-brand .logo-text i { color: var(--accent); font-size: 1.3rem; }
.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.8;
    margin: 0;
    max-width: 360px;
}
.footer-col h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 18px;
    position: relative;
    padding-bottom: 10px;
}
.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0; bottom: 0;
    width: 28px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}
.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a {
    color: var(--text-secondary);
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    transition: var(--transition);
}
.footer-col ul a i {
    font-size: 0.65rem;
    margin-right: 8px;
    color: var(--text-muted);
    transition: var(--transition);
}
.footer-col ul a:hover { color: var(--accent); }
.footer-col ul a:hover i { color: var(--accent); transform: translateX(3px); }
.footer-subscribe {
    display: flex;
    gap: 8px;
    margin-top: 4px;
}
.footer-subscribe input {
    flex: 1;
    height: 42px;
    border-radius: var(--radius-btn);
    border: 1px solid var(--border-glass);
    background: rgba(255,255,255,0.05);
    padding: 0 14px;
    color: var(--text-primary);
    outline: none;
    font-size: 0.85rem;
    transition: var(--transition);
}
.footer-subscribe input::placeholder { color: var(--text-muted); }
.footer-subscribe input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(0,212,255,0.12); }
.footer-subscribe button {
    background: var(--primary);
    border: none;
    color: #fff;
    border-radius: var(--radius-btn);
    padding: 0 18px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}
.footer-subscribe button:hover { background: #2563eb; box-shadow: 0 0 20px rgba(59,130,246,0.45); }
.footer-bottom {
    border-top: 1px solid var(--border-glass);
    margin-top: 48px;
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}
.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.8rem;
    margin: 0;
}
.footer-bottom .domain { color: var(--text-secondary); }
.footer-bottom .icp { color: var(--text-muted); margin-left: 8px; }

/* ============ 响应式 ============ */
@media (max-width: 991.98px) {
    .site-header, .site-header .navbar { height: 60px; }
    .site-header .navbar { min-height: 60px; }
    .navbar-collapse {
        background: rgba(10,14,31,0.98);
        -webkit-backdrop-filter: blur(20px);
        backdrop-filter: blur(20px);
        border-radius: 16px;
        padding: 20px;
        margin-top: 10px;
        border: 1px solid var(--border-glass);
        box-shadow: 0 16px 48px rgba(0,0,0,0.4);
        max-height: calc(100vh - 76px);
        overflow-y: auto;
    }
    .navbar .navbar-nav { align-items: flex-start; margin: 0 0 14px 0; gap: 2px; }
    .navbar .nav-link { padding: 10px 14px; width: 100%; border-radius: 8px; }
    .navbar .nav-link.active { background: rgba(0,212,255,0.08); }
    .navbar .nav-link.active::after { display: none; }
    .navbar .nav-link.active { color: var(--accent); }
    .nav-right { width: 100%; flex-wrap: wrap; gap: 10px; }
    .search-box { flex: 1; min-width: 160px; }
    .search-box input, .search-box input:focus { width: 100%; }
    .btn-login { flex-shrink: 0; }
    .nav-right .btn-primary-glow { flex-shrink: 0; }
    .article-banner { padding: 128px 0 56px; }
    .navbar-brand { font-size: 1.05rem; }
}

@media (max-width: 767.98px) {
    .article-banner { padding: 112px 0 44px; }
    .breadcrumb-nav { margin-bottom: 18px; }
    .article-content { padding: 28px 20px; }
    .article-content h3 { font-size: 1.18rem; }
    .article-pager { flex-direction: column; }
    .pager-btn { width: 100%; }
    .cta-box { padding: 32px 24px; flex-direction: column; text-align: center; }
    .cta-actions { justify-content: center; width: 100%; }
    .cta-actions .btn-primary-glow, .cta-actions .btn-outline-light { flex: 1; }
    .related-section { padding: 56px 0; }
    .article-cta { padding: 56px 0; }
    .site-footer { padding-top: 48px; }
    .footer-bottom { flex-direction: column; text-align: center; gap: 6px; }
    .breadcrumb-nav span { max-width: 180px; }
}

@media (max-width: 575.98px) {
    .article-meta { gap: 12px 16px; font-size: 0.82rem; }
    .article-title-wrap h1 { font-size: 1.6rem; }
    .article-content { padding: 20px 16px; border-radius: 16px; }
    .article-layout { max-width: 100%; }
    .cta-box { padding: 28px 18px; }
    .cta-actions { flex-direction: column; }
    .cta-actions .btn-primary-glow, .cta-actions .btn-outline-light { width: 100%; }
    .section-head { margin-bottom: 32px; }
    .related-info h3 { min-height: 0; }
}