/* roulang page: index */
:root {
    --primary: #1a2a3a;
    --primary-light: #2d4a5e;
    --accent: #d4906c;
    --accent-hover: #c07a54;
    --bg: #f8f6f3;
    --bg-alt: #f0ece8;
    --bg-dark: #1a2a3a;
    --text: #2d2d2d;
    --text-light: #6b7280;
    --text-lighter: #9ca3af;
    --border: #e5e1dc;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 4px 20px rgba(0,0,0,0.06);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.1);
    --transition: 0.3s ease;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { font-family:var(--font); background:var(--bg); color:var(--text); line-height:1.7; -webkit-font-smoothing:antialiased; }
a { text-decoration:none; color:inherit; transition:color var(--transition); }
img { max-width:100%; display:block; }
button { cursor:pointer; font-family:var(--font); }
.container { max-width:1200px; margin:0 auto; padding:0 24px; }
.bg-dark-section { background:var(--bg-dark); color:#fff; }
.section { padding:80px 0; }
.section-alt { background:var(--bg-alt); }
.section-header { text-align:center; margin-bottom:48px; }
.section-header .subtitle { color:var(--accent); font-size:14px; letter-spacing:3px; text-transform:uppercase; font-weight:600; margin-bottom:8px; display:inline-block; }
.section-header h2 { font-size:32px; font-weight:700; color:var(--text); line-height:1.3; }
.section-header p { color:var(--text-light); font-size:16px; max-width:600px; margin:12px auto 0; }

/* Header & Navigation */
.site-header { background:#fff; box-shadow:0 2px 12px rgba(0,0,0,0.04); position:sticky; top:0; z-index:1000; }
.header-top { border-bottom:1px solid var(--border); }
.header-top-inner { display:flex; justify-content:space-between; align-items:center; padding:16px 0; gap:20px; }
.logo { font-size:24px; font-weight:800; color:var(--primary); display:flex; align-items:center; gap:2px; }
.logo span { color:var(--accent); }
.header-actions { display:flex; align-items:center; gap:16px; }
.search-box { display:flex; align-items:center; background:var(--bg-alt); border-radius:24px; padding:4px 6px; width:280px; }
.search-box input { border:none; background:transparent; outline:none; padding:8px 12px; font-size:14px; color:var(--text); width:100%; }
.search-box button { background:var(--primary); color:#fff; border:none; border-radius:50%; width:32px; height:32px; display:flex; align-items:center; justify-content:center; flex-shrink:0; transition:background var(--transition); }
.search-box button:hover { background:var(--accent); }
.btn { display:inline-block; padding:10px 24px; border-radius:24px; font-size:14px; font-weight:600; border:none; transition:all var(--transition); text-align:center; }
.btn-primary { background:var(--accent); color:#fff; }
.btn-primary:hover { background:var(--accent-hover); transform:translateY(-2px); box-shadow:0 6px 20px rgba(212,144,108,0.4); }
.btn-outline { background:transparent; color:var(--primary); border:2px solid var(--primary); }
.btn-outline:hover { background:var(--primary); color:#fff; }
.btn-light { background:#fff; color:var(--primary); }
.btn-light:hover { background:rgba(255,255,255,0.9); transform:translateY(-2px); box-shadow:0 6px 24px rgba(0,0,0,0.15); }
.nav-tabs { background:var(--primary); }
.nav-tabs-inner { display:flex; gap:4px; overflow-x:auto; scrollbar-width:none; padding:0 24px; }
.nav-tabs-inner::-webkit-scrollbar { display:none; }
.nav-link { display:inline-block; padding:14px 24px; color:rgba(255,255,255,0.8); font-size:15px; font-weight:500; border-bottom:3px solid transparent; white-space:nowrap; transition:all var(--transition); }
.nav-link:hover { color:#fff; background:rgba(255,255,255,0.08); }
.nav-link.active { color:#fff; border-bottom-color:var(--accent); background:rgba(255,255,255,0.05); }

/* Hero */
.hero { position:relative; background:url('/assets/images/backpic/back-1.png') center/cover no-repeat; padding:100px 0; color:#fff; }
.hero::before { content:''; position:absolute; inset:0; background:linear-gradient(135deg, rgba(26,42,58,0.92) 0%, rgba(26,42,58,0.7) 100%); }
.hero-inner { position:relative; z-index:1; max-width:760px; }
.hero-tag { display:inline-block; background:rgba(255,255,255,0.15); border:1px solid rgba(255,255,255,0.3); padding:6px 16px; border-radius:20px; font-size:13px; letter-spacing:1px; margin-bottom:20px; backdrop-filter:blur(4px); }
.hero h1 { font-size:48px; line-height:1.2; font-weight:800; margin-bottom:20px; letter-spacing:-0.5px; }
.hero h1 .highlight { color:var(--accent); }
.hero p { font-size:18px; opacity:0.9; margin-bottom:32px; max-width:560px; color:rgba(255,255,255,0.9); }
.hero-btns { display:flex; gap:16px; flex-wrap:wrap; }
.hero-stats { display:flex; gap:32px; margin-top:48px; padding-top:32px; border-top:1px solid rgba(255,255,255,0.15); }
.hero-stats .stat-num { font-size:32px; font-weight:800; color:#fff; }
.hero-stats .stat-label { font-size:13px; color:rgba(255,255,255,0.7); }

/* Intro Section */
.intro-grid { display:grid; grid-template-columns:1fr 1fr; gap:60px; align-items:center; }
.intro-img { border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow-lg); }
.intro-img img { width:100%; height:420px; object-fit:cover; }
.intro-content h2 { font-size:32px; font-weight:700; line-height:1.3; margin-bottom:16px; }
.intro-content p { color:var(--text-light); font-size:16px; margin-bottom:16px; }
.intro-points { list-style:none; margin-top:24px; }
.intro-points li { display:flex; align-items:center; gap:12px; padding:12px 0; border-bottom:1px solid var(--border); font-size:15px; }
.intro-points li:last-child { border-bottom:none; }
.intro-points li i { color:var(--accent); font-size:18px; }

/* Category Cards */
.cat-card { background:#fff; border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); transition:all var(--transition); height:100%; display:block; }
.cat-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-lg); }
.cat-card-img { height:200px; overflow:hidden; }
.cat-card-img img { width:100%; height:100%; object-fit:cover; transition:transform 0.5s ease; }
.cat-card:hover .cat-card-img img { transform:scale(1.05); }
.cat-card-body { padding:24px; }
.cat-card-body .badge { background:var(--bg-alt); color:var(--primary); font-size:12px; padding:4px 12px; border-radius:12px; font-weight:600; display:inline-block; margin-bottom:12px; }
.cat-card-body h3 { font-size:20px; font-weight:700; margin-bottom:8px; }
.cat-card-body p { color:var(--text-light); font-size:14px; margin-bottom:16px; }
.cat-card-link { color:var(--accent); font-weight:600; font-size:14px; display:inline-flex; align-items:center; gap:6px; }
.cat-card-link:hover { gap:10px; }

/* News Section */
.news-grid { display:grid; grid-template-columns:repeat(2, 1fr); gap:24px; }
.news-card { background:#fff; border-radius:var(--radius); padding:24px; box-shadow:var(--shadow); transition:all var(--transition); border-left:4px solid var(--accent); display:block; }
.news-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-lg); border-left-color:var(--primary); }
.news-card .news-meta { display:flex; align-items:center; gap:12px; margin-bottom:12px; font-size:13px; color:var(--text-light); }
.news-card .news-cat { background:var(--bg-alt); padding:2px 10px; border-radius:10px; font-weight:600; color:var(--primary); }
.news-card h3 { font-size:18px; font-weight:700; margin-bottom:8px; line-height:1.4; color:var(--text); }
.news-card p { font-size:14px; color:var(--text-light); margin-bottom:12px; }
.news-card .news-date { font-size:13px; color:var(--text-lighter); display:flex; align-items:center; gap:6px; }
.news-empty { text-align:center; padding:48px; color:var(--text-light); font-size:16px; background:#fff; border-radius:var(--radius); box-shadow:var(--shadow); }

/* Steps */
.steps-grid { display:grid; grid-template-columns:repeat(4, 1fr); gap:24px; }
.step-card { background:#fff; border-radius:var(--radius); padding:32px 24px; text-align:center; box-shadow:var(--shadow); position:relative; transition:all var(--transition); }
.step-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-lg); }
.step-num { width:56px; height:56px; border-radius:50%; background:var(--primary); color:#fff; display:flex; align-items:center; justify-content:center; font-size:24px; font-weight:800; margin:0 auto 16px; position:relative; }
.step-card.done .step-num { background:var(--accent); }
.step-card h3 { font-size:16px; font-weight:700; margin-bottom:8px; }
.step-card p { font-size:13px; color:var(--text-light); }

/* Advantages */
.adv-grid { display:grid; grid-template-columns:repeat(4, 1fr); gap:24px; }
.adv-card { background:#fff; border-radius:var(--radius); padding:32px 24px; text-align:left; box-shadow:var(--shadow); transition:all var(--transition); }
.adv-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-lg); }
.adv-card .adv-icon { width:56px; height:56px; border-radius:14px; background:rgba(212,144,108,0.12); color:var(--accent); display:flex; align-items:center; justify-content:center; font-size:22px; margin-bottom:20px; }
.adv-card h3 { font-size:18px; font-weight:700; margin-bottom:8px; }
.adv-card p { font-size:14px; color:var(--text-light); }

/* Stats */
.stats-container { background:var(--bg-dark); border-radius:var(--radius); padding:48px; display:grid; grid-template-columns:repeat(4, 1fr); gap:32px; text-align:center; color:#fff; }
.stat-item .num { font-size:36px; font-weight:800; color:var(--accent); }
.stat-item .label { font-size:14px; color:rgba(255,255,255,0.7); margin-top:4px; }

/* FAQ */
.faq-container { max-width:800px; margin:0 auto; }
.faq-item { background:#fff; border-radius:var(--radius-sm); margin-bottom:16px; box-shadow:var(--shadow); overflow:hidden; }
.faq-item summary { padding:20px 24px; font-weight:600; font-size:16px; cursor:pointer; display:flex; align-items:center; justify-content:space-between; list-style:none; transition:background var(--transition); }
.faq-item summary:hover { background:var(--bg); }
.faq-item summary::after { content:'+'; font-size:22px; color:var(--accent); font-weight:400; }
.faq-item[open] summary::after { content:'−'; }
.faq-item-content { padding:0 24px 20px; color:var(--text-light); font-size:14px; }

/* CTA */
.cta-section { background:linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%); padding:80px 0; text-align:center; color:#fff; }
.cta-section h2 { font-size:36px; font-weight:800; margin-bottom:16px; }
.cta-section p { font-size:16px; opacity:0.8; max-width:600px; margin:0 auto 32px; }
.cta-btns { display:flex; justify-content:center; gap:16px; flex-wrap:wrap; }

/* Footer */
.site-footer { background:var(--primary); color:rgba(255,255,255,0.7); padding:60px 0 20px; }
.footer-grid { display:grid; grid-template-columns:2fr 1fr 1fr; gap:40px; margin-bottom:40px; }
.footer-brand .logo { color:#fff; font-size:22px; margin-bottom:12px; }
.footer-brand .logo span { color:var(--accent); }
.footer-brand p { font-size:14px; margin-bottom:16px; max-width:320px; }
.footer-social { display:flex; gap:12px; }
.footer-social a { width:36px; height:36px; border-radius:50%; background:rgba(255,255,255,0.1); display:flex; align-items:center; justify-content:center; font-size:14px; transition:all var(--transition); }
.footer-social a:hover { background:var(--accent); color:#fff; }
.footer-col h4 { color:#fff; font-size:16px; margin-bottom:16px; }
.footer-col ul { list-style:none; }
.footer-col ul li { margin-bottom:8px; font-size:14px; }
.footer-col ul li a:hover { color:var(--accent); }
.footer-bottom { border-top:1px solid rgba(255,255,255,0.1); padding-top:20px; text-align:center; font-size:13px; color:rgba(255,255,255,0.5); }

/* Responsive */
@media (max-width:1024px) {
    .hero h1 { font-size:38px; }
    .intro-grid { grid-template-columns:1fr; gap:40px; }
    .steps-grid { grid-template-columns:repeat(2, 1fr); }
    .adv-grid { grid-template-columns:repeat(2, 1fr); }
    .stats-container { grid-template-columns:repeat(2, 1fr); }
}
@media (max-width:768px) {
    .section { padding:60px 0; }
    .header-top-inner { flex-direction:column; gap:12px; }
    .search-box { width:100%; }
    .hero { padding:80px 0; }
    .hero h1 { font-size:32px; }
    .hero-stats { flex-wrap:wrap; gap:20px; }
    .news-grid { grid-template-columns:1fr; }
    .steps-grid { grid-template-columns:1fr; }
    .adv-grid { grid-template-columns:1fr; }
    .footer-grid { grid-template-columns:1fr; gap:32px; }
    .stats-container { grid-template-columns:1fr; padding:32px 24px; }
    .cta-section h2 { font-size:28px; }
}
@media (max-width:520px) {
    .hero h1 { font-size:26px; }
    .hero-btns { flex-direction:column; width:100%; }
    .hero-btns .btn { width:100%; }
    .section-header h2 { font-size:24px; }
    .logo { font-size:20px; }
    .nav-link { padding:12px 16px; font-size:13px; }
}

/* roulang page: category1 */
:root {
    --primary: #1a56db;
    --primary-dark: #1e40af;
    --primary-light: #bfdbfe;
    --secondary: #0ea5e9;
    --accent: #06b6d4;
    --dark: #0f172a;
    --dark-soft: #1e293b;
    --bg: #f6f9fc;
    --bg-soft: #f1f5f9;
    --card: #ffffff;
    --text: #1e293b;
    --text-weak: #64748b;
    --text-light: #94a3b8;
    --border: #e2e8f0;
    --success: #059669;
    --warning: #d97706;
    --danger: #dc2626;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --shadow: 0 4px 24px rgba(15, 23, 42, .06);
    --shadow-lg: 0 12px 48px rgba(15, 23, 42, .1);
    --shadow-primary: 0 6px 24px rgba(26, 86, 219, .3);
    --transition: all .3s cubic-bezier(.4, 0, .2, 1);
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
    font-family: var(--font-family);
    line-height: 1.75;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section-pad { padding: 88px 0; }

/* ===== Header ===== */
.site-header {
    background: rgba(255, 255, 255, .98);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 12px rgba(15, 23, 42, .04);
}
.header-top-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    min-height: 68px;
}
.logo {
    font-size: 26px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.02em;
    display: inline-flex;
    align-items: center;
    gap: 2px;
    white-space: nowrap;
}
.logo span { color: var(--primary); }
.header-actions { display: flex; align-items: center; gap: 16px; }
.search-box {
    display: flex;
    align-items: center;
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: 50px;
    padding: 4px 4px 4px 16px;
    transition: var(--transition);
    min-width: 260px;
}
.search-box:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26, 86, 219, .1); background: #fff; }
.search-box input {
    border: none;
    outline: none;
    background: transparent;
    width: 100%;
    font-size: 14px;
    padding: 8px 0;
}
.search-box button { color: var(--text-light); padding: 8px 12px; border-radius: 50%; transition: var(--transition); }
.search-box button:hover { color: var(--primary); background: var(--primary-light); }
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition);
    white-space: nowrap;
    border: 2px solid transparent;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: var(--shadow-primary); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 10px 30px rgba(26, 86, 219, .4); }
.btn-primary:active { transform: translateY(0); }
.btn-outline { border-color: var(--border); color: var(--text); background: #fff; }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-lg { padding: 14px 40px; font-size: 16px; }
.nav-tabs { border-top: 1px solid var(--border); background: #fff; }
.nav-tabs-inner {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.nav-tabs-inner::-webkit-scrollbar { display: none; }
.nav-link {
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-weak);
    white-space: nowrap;
    transition: var(--transition);
}
.nav-link:hover { color: var(--primary); background: #f1f5f9; }
.nav-link.active { background: var(--primary); color: #fff; box-shadow: var(--shadow-primary); }
.nav-link:focus-visible, .btn:focus-visible, .search-box input:focus-visible { outline: 3px solid rgba(26, 86, 219, .3); outline-offset: 2px; }

/* ===== Page Banner ===== */
.page-banner {
    position: relative;
    padding: 100px 0 110px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    isolation: isolate;
    color: #fff;
}
.page-banner::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, .85) 0%, rgba(30, 64, 175, .6) 50%, rgba(14, 165, 233, .35) 100%);
    z-index: -1;
}
.banner-inner { max-width: 760px; margin: 0 auto; text-align: center; }
.page-banner .badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, .15);
    border: 1px solid rgba(255, 255, 255, .3);
    backdrop-filter: blur(8px);
    padding: 6px 18px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: .03em;
    margin-bottom: 24px;
}
.page-banner h1 {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.03em;
    margin-bottom: 18px;
}
.page-banner p {
    font-size: 18px;
    line-height: 1.8;
    color: rgba(255, 255, 255, .85);
    margin-bottom: 28px;
}
.banner-meta { display: flex; justify-content: center; gap: 24px; font-size: 13px; color: rgba(255, 255, 255, .7); }
.banner-meta i { margin-right: 4px; }
.crumbs {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: rgba(255, 255, 255, .65);
    margin-bottom: 20px;
}
.crumbs a { color: rgba(255, 255, 255, .85); text-decoration: underline; text-underline-offset: 4px; }
.crumbs a:hover { color: #fff; }

/* ===== Section 通用 ===== */
.sec-head { text-align: center; max-width: 640px; margin: 0 auto 56px; }
.sec-head .sec-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-light);
    padding: 4px 16px;
    border-radius: 50px;
    margin-bottom: 16px;
}
.sec-head h2 { font-size: 36px; font-weight: 800; letter-spacing: -0.02em; line-height: 1.3; margin-bottom: 12px; }
.sec-head p { color: var(--text-weak); font-size: 16px; line-height: 1.75; }
.sec-dark { background: var(--dark); color: #fff; }
.sec-dark .sec-head h2 { color: #fff; }
.sec-dark .sec-head p { color: rgba(255, 255, 255, .7); }
.sec-dark .sec-head .sec-tag { background: rgba(255, 255, 255, .12); color: #fff; }
.sec-bg { background: linear-gradient(180deg, var(--bg) 0%, #fff 100%); }

/* ===== 登录方式卡片 ===== */
.method-card {
    background: var(--card);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}
.method-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.method-card .card-img { position: relative; overflow: hidden; aspect-ratio: 16/9; }
.method-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.method-card:hover .card-img img { transform: scale(1.05); }
.method-card .card-body { padding: 28px 26px 30px; flex: 1; display: flex; flex-direction: column; }
.method-card .card-body h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
.method-card .card-body h3 i { color: var(--primary); }
.method-card .card-body p { color: var(--text-weak); font-size: 14px; line-height: 1.8; flex: 1; }
.method-card .card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    transition: var(--transition);
}
.method-card .card-link:hover { gap: 10px; color: var(--primary-dark); }
.method-card:hover { border-color: rgba(26, 86, 219, .2); }

/* ===== 步骤流程 ===== */
.steps-wrap { display: flex; gap: 32px; position: relative; }
.steps-wrap::before {
    content: "";
    position: absolute;
    top: 40px;
    left: 8%;
    right: 8%;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
    opacity: .25;
    border-radius: 2px;
}
.step-item { flex: 1; text-align: center; position: relative; z-index: 1; }
.step-num {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    font-size: 26px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: var(--shadow-primary);
    position: relative;
}
.step-num::after {
    content: "";
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    border: 2px dashed rgba(26, 86, 219, .3);
    animation: spin 24s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.step-item h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.step-item p { color: var(--text-weak); font-size: 14px; line-height: 1.75; max-width: 220px; margin: 0 auto; }
.steps-section { background: var(--card); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

/* ===== 安全提示 ===== */
.safety-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.safety-card {
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
}
.safety-card:hover { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .25); transform: translateY(-4px); }
.safety-card i { font-size: 32px; color: var(--secondary); margin-bottom: 16px; display: inline-block; }
.safety-card h3 { font-size: 17px; font-weight: 600; margin-bottom: 10px; color: #fff; }
.safety-card p { font-size: 14px; color: rgba(255, 255, 255, .65); line-height: 1.7; }
.safety-warning { margin-top: 48px; text-align: center; }
.safety-warning .notice {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(220, 38, 38, .12);
    border: 1px solid rgba(220, 38, 38, .3);
    color: #f87171;
    padding: 12px 28px;
    border-radius: 50px;
    font-size: 14px;
}

/* ===== FAQ ===== */
.faq-wrap { max-width: 800px; margin: 0 auto; }
.accordion {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    overflow: hidden;
}
.accordion-item { border-bottom: 1px solid var(--border); }
.accordion-item:last-child { border-bottom: none; }
.accordion-title {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 22px 28px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    background: #fff;
    transition: var(--transition);
    position: relative;
}
.accordion-title:hover { background: var(--bg-soft); }
.accordion-title::after {
    content: "\f107";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    margin-left: auto;
    font-size: 14px;
    color: var(--text-light);
    transition: var(--transition);
}
.accordion-item.is-active .accordion-title::after { transform: rotate(180deg); color: var(--primary); }
.accordion-item.is-active .accordion-title { color: var(--primary); background: #f8fafc; }
.accordion-content { background: #f8fafc; }
.accordion-content p {
    padding: 0 28px 22px 54px;
    font-size: 14px;
    color: var(--text-weak);
    line-height: 1.8;
}

/* ===== 相关推荐 ===== */
.related-card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.related-card .related-img { aspect-ratio: 16/10; overflow: hidden; position: relative; }
.related-card .related-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.related-card:hover .related-img img { transform: scale(1.06); }
.related-card .related-body { padding: 24px 26px 28px; flex: 1; display: flex; flex-direction: column; }
.related-card .related-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-light);
    padding: 3px 12px;
    border-radius: 50px;
    align-self: flex-start;
    margin-bottom: 12px;
}
.related-card h3 { font-size: 18px; font-weight: 700; line-height: 1.5; margin-bottom: 10px; }
.related-card p { font-size: 14px; color: var(--text-weak); line-height: 1.75; flex: 1; }
.related-card .related-link { margin-top: 16px; font-size: 14px; font-weight: 600; color: var(--primary); }
.related-card .related-link:hover { color: var(--primary-dark); }

/* ===== CTA ===== */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 50%, var(--dark) 100%);
    padding: 88px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: "";
    position: absolute;
    top: -60%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 255, 255, .08) 0%, transparent 70%);
    border-radius: 50%;
}
.cta-inner { position: relative; z-index: 1; max-width: 640px; margin: 0 auto; }
.cta-inner h2 { font-size: 36px; font-weight: 800; color: #fff; letter-spacing: -0.02em; margin-bottom: 14px; }
.cta-inner p { color: rgba(255, 255, 255, .8); font-size: 16px; margin-bottom: 32px; }
.cta-inner .btn-outline { border-color: rgba(255, 255, 255, .4); color: #fff; background: transparent; }
.cta-inner .btn-outline:hover { background: rgba(255, 255, 255, .1); border-color: #fff; }

/* ===== Footer ===== */
.site-footer { background: var(--dark); color: #94a3b8; padding: 72px 0 0; }
.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.footer-brand .logo { color: #fff; font-size: 24px; margin-bottom: 16px; display: inline-block; }
.footer-brand .logo span { color: var(--secondary); }
.footer-brand p { font-size: 14px; line-height: 1.75; color: rgba(255, 255, 255, .6); max-width: 320px; }
.footer-social { display: flex; gap: 12px; margin-top: 22px; }
.footer-social a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, .15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, .6);
    transition: var(--transition);
}
.footer-social a:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-3px); }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 18px; }
.footer-col ul li { font-size: 14px; color: rgba(255, 255, 255, .5); margin-bottom: 12px; transition: var(--transition); }
.footer-col ul li a:hover { color: #fff; padding-left: 4px; }
.footer-col ul li i { width: 20px; color: var(--secondary); margin-right: 4px; }
.footer-bottom { padding: 24px 0; text-align: center; font-size: 13px; color: rgba(255, 255, 255, .3); }
.footer-bottom a { color: rgba(255, 255, 255, .5); }
.footer-bottom a:hover { color: #fff; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .search-box { min-width: 200px; }
    .safety-grid { grid-template-columns: repeat(2, 1fr); }
    .page-banner h1 { font-size: 38px; }
    .sec-head h2 { font-size: 30px; }
}
@media (max-width: 768px) {
    .section-pad { padding: 64px 0; }
    .header-top-inner { flex-wrap: wrap; justify-content: center; min-height: auto; padding: 12px 0; }
    .header-actions { width: 100%; justify-content: center; gap: 12px; }
    .search-box { min-width: 0; flex: 1; max-width: 280px; }
    .page-banner { padding: 70px 0 80px; }
    .page-banner h1 { font-size: 30px; }
    .page-banner p { font-size: 16px; }
    .banner-meta { flex-wrap: wrap; gap: 16px; }
    .sec-head { margin-bottom: 40px; }
    .steps-wrap { flex-direction: column; gap: 40px; }
    .steps-wrap::before { display: none; }
    .safety-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .cta-inner h2 { font-size: 28px; }
}
@media (max-width: 520px) {
    .header-top-inner { flex-direction: column; gap: 10px; }
    .header-actions { flex-direction: column; width: 100%; }
    .search-box { max-width: 100%; width: 100%; }
    .btn { width: 100%; }
    .nav-tabs-inner { padding: 6px 0; }
    .nav-link { font-size: 13px; padding: 6px 14px; }
    .page-banner h1 { font-size: 24px; }
    .page-banner p { font-size: 14px; }
    .sec-head h2 { font-size: 24px; }
    .method-card .card-body { padding: 20px; }
    .faq-wrap .accordion-title { padding: 16px 20px; font-size: 14px; }
    .faq-wrap .accordion-content p { padding: 0 20px 18px 34px; }
    .safety-card { padding: 24px 20px; }
}

/* roulang page: article */
:root {
    --primary: #1b2a4a;
    --primary-light: #2d4373;
    --primary-soft: #eaeef5;
    --accent: #c9a15a;
    --accent-soft: #faf3e7;
    --dark: #111827;
    --text: #1f2937;
    --muted: #6b7280;
    --bg: #f7f6f3;
    --bg-soft: #eef1f5;
    --card: #ffffff;
    --border: #e5e7eb;
    --radius: 18px;
    --radius-sm: 10px;
    --shadow-sm: 0 2px 10px rgba(17,24,39,.05);
    --shadow-md: 0 10px 25px rgba(17,24,39,.08);
    --shadow-lg: 0 20px 40px rgba(17,24,39,.12);
    --font: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button,input,select,textarea{font-family:inherit;font-size:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.site-header{background:#fff;position:sticky;top:0;z-index:100;box-shadow:var(--shadow-sm)}
.header-top{border-bottom:1px solid var(--border)}
.header-top-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px}
.logo{font-size:24px;font-weight:800;color:var(--primary);letter-spacing:-.5px;white-space:nowrap}
.logo span{color:var(--accent);font-weight:700}
.header-actions{display:flex;align-items:center;gap:14px}
.search-box{display:flex;align-items:center;background:var(--bg);border:1px solid var(--border);border-radius:30px;padding:0 6px 0 16px;height:40px;width:260px;transition:border-color .2s,box-shadow .2s}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(27,42,74,.08)}
.search-box input{border:none;outline:none;background:transparent;flex:1;font-size:14px;color:var(--text)}
.search-box button{background:var(--primary);color:#fff;border:none;border-radius:50%;width:28px;height:28px;cursor:pointer;font-size:12px;display:flex;align-items:center;justify-content:center}
.search-box button:hover{background:var(--primary-light)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:30px;padding:10px 24px;font-size:15px;font-weight:600;border:none;cursor:pointer;transition:all .25s ease;text-decoration:none}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-light);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#b68a48;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-lg{padding:14px 36px;font-size:17px;border-radius:36px}
.nav-tabs{background:#fff;border-bottom:1px solid var(--border)}
.nav-tabs-inner{display:flex;align-items:center;gap:6px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding:10px 0}
.nav-tabs-inner::-webkit-scrollbar{display:none}
.nav-link{display:inline-flex;align-items:center;padding:8px 20px;border-radius:30px;font-size:15px;font-weight:500;color:var(--muted);white-space:nowrap;transition:all .2s}
.nav-link:hover{color:var(--primary);background:var(--primary-soft)}
.nav-link.active{background:var(--primary);color:#fff}
.article-hero{position:relative;background:linear-gradient(120deg,rgba(15,23,42,.88),rgba(27,42,74,.72)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;color:#fff;padding:64px 0 56px;overflow:hidden}
.article-hero::after{content:'';position:absolute;bottom:-40px;right:-20px;width:260px;height:260px;border-radius:50%;background:rgba(201,161,90,.12);pointer-events:none}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px}
.breadcrumb a{color:rgba(255,255,255,.72)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{opacity:.5}
.article-hero-inner{max-width:860px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(201,161,90,.2);border:1px solid rgba(201,161,90,.4);color:#e5cfa0;padding:6px 16px;border-radius:30px;font-size:13px;font-weight:600;margin-bottom:18px;letter-spacing:.5px}
.article-hero h1{font-size:36px;line-height:1.35;font-weight:800;letter-spacing:-.5px;margin-bottom:20px;word-break:break-word}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;align-items:center;font-size:14px;color:rgba(255,255,255,.75)}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta i{color:var(--accent)}
.article-section{padding:52px 0 64px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:36px;align-items:start}
.article-main-col{min-width:0}
.article-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden;border:1px solid rgba(0,0,0,.04)}
.article-card-header{padding:26px 36px 0}
.article-card-body{padding:20px 36px 30px}
.article-content{font-size:16.5px;line-height:1.95;color:var(--text);word-break:break-word}
.article-content p{margin-bottom:1.5em}
.article-content h2{font-size:24px;line-height:1.4;margin:1.8em 0 .8em;color:var(--primary);font-weight:800;padding-left:14px;border-left:4px solid var(--accent)}
.article-content h3{font-size:20px;line-height:1.4;margin:1.6em 0 .7em;color:var(--text);font-weight:700}
.article-content ul,.article-content ol{margin:0 0 1.5em 1.3em}
.article-content li{margin-bottom:.55em}
.article-content blockquote{border-left:4px solid var(--accent);background:var(--accent-soft);padding:1.1em 1.4em;border-radius:0 12px 12px 0;margin:1.6em 0;color:var(--text);font-style:normal}
.article-content img{border-radius:14px;max-width:100%;margin:1.3em auto;box-shadow:var(--shadow-sm)}
.article-content table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px}
.article-content th,.article-content td{border:1px solid var(--border);padding:11px 14px;text-align:left}
.article-content th{background:var(--primary-soft);font-weight:700;color:var(--primary)}
.article-content a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:var(--accent)}
.content-not-found{padding:40px 0;text-align:center}
.content-not-found i{font-size:52px;color:var(--accent);margin-bottom:18px;display:block}
.content-not-found h2{font-size:28px;color:var(--primary);margin-bottom:12px}
.content-not-found p{color:var(--muted);margin-bottom:26px}
.sidebar-inner{display:flex;flex-direction:column;gap:24px}
.side-card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow-sm);border:1px solid rgba(0,0,0,.04);overflow:hidden}
.side-card-cover{position:relative;height:190px;overflow:hidden}
.side-card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.side-card:hover .side-card-cover img{transform:scale(1.04)}
.side-card-body{padding:22px 22px 24px}
.side-card-body h3{font-size:18px;font-weight:700;color:var(--primary);margin-bottom:8px}
.side-card-body p{font-size:14px;color:var(--muted);line-height:1.7;margin-bottom:14px}
.side-info-list{list-style:none;padding:0;margin:0 0 18px}
.side-info-list li{display:flex;justify-content:space-between;align-items:center;padding:9px 0;border-bottom:1px dashed var(--border);font-size:14px;color:var(--text)}
.side-info-list li:last-child{border-bottom:none}
.side-info-list .label{color:var(--muted)}
.side-info-list .value{font-weight:600;color:var(--primary);text-align:right;padding-left:12px}
.side-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.tag{display:inline-block;background:var(--primary-soft);color:var(--primary);font-size:12.5px;font-weight:600;padding:5px 12px;border-radius:20px;transition:all .2s}
.tag:hover{background:var(--primary);color:#fff}
.side-quick{padding:26px 22px;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;border-radius:var(--radius);box-shadow:var(--shadow-md);text-align:center}
.side-quick h3{font-size:20px;font-weight:800;margin-bottom:8px}
.side-quick p{font-size:14px;color:rgba(255,255,255,.75);margin-bottom:18px}
.related-section{padding:56px 0;background:var(--card);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-header{text-align:center;margin-bottom:38px}
.section-header .section-eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--accent);text-transform:uppercase;margin-bottom:10px}
.section-header h2{font-size:30px;font-weight:800;color:var(--primary);letter-spacing:-.5px}
.section-header p{color:var(--muted);font-size:15px;max-width:560px;margin:10px auto 0}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.related-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;display:block;box-shadow:var(--shadow-sm);transition:all .3s ease}
.related-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(27,42,74,.15)}
.related-card-cover{position:relative;height:180px;overflow:hidden}
.related-card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.related-card:hover .related-card-cover img{transform:scale(1.05)}
.related-card-cover .badge{position:absolute;left:14px;top:14px;background:rgba(27,42,74,.85);color:#fff;font-size:12px;font-weight:600;padding:5px 14px;border-radius:20px;backdrop-filter:blur(4px)}
.related-card-body{padding:20px 22px 22px}
.related-card-body h3{font-size:17px;font-weight:700;line-height:1.5;color:var(--text);margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-card-body p{font-size:14px;color:var(--muted);line-height:1.65;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.related-meta{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted)}
.related-meta i{color:var(--accent)}
.read-more{color:var(--primary);font-weight:600;display:inline-flex;align-items:center;gap:5px}
.read-more i{transition:transform .2s}
.related-card:hover .read-more i{transform:translateX(4px)}
.process-section{padding:60px 0;background:var(--bg)}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:36px}
.process-step{background:var(--card);border-radius:var(--radius);padding:30px 24px;text-align:center;border:1px solid var(--border);box-shadow:var(--shadow-sm);position:relative;transition:all .3s}
.process-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.process-num{width:52px;height:52px;border-radius:50%;background:var(--primary);color:#fff;font-size:20px;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 18px;box-shadow:0 8px 20px rgba(27,42,74,.25);position:relative}
.process-step:hover .process-num{background:var(--accent)}
.process-step h3{font-size:17px;font-weight:700;margin-bottom:10px;color:var(--primary)}
.process-step p{font-size:14px;color:var(--muted);line-height:1.65}
.faq-section{padding:60px 0;background:var(--bg-soft)}
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:36px}
.faq-item{background:var(--card);border:1px solid var(--border);border-radius:14px;overflow:hidden;transition:box-shadow .25s,transform .25s;margin-bottom:0}
.faq-item:hover{box-shadow:var(--shadow-sm);transform:translateY(-2px)}
.faq-item summary{padding:20px 22px;font-weight:600;font-size:15.5px;color:var(--text);cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:14px;user-select:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'\f078';font-family:'Font Awesome 6 Free';font-weight:900;color:var(--accent);font-size:13px;transition:transform .25s;flex-shrink:0}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-item[open]{box-shadow:var(--shadow-sm)}
.faq-answer{padding:0 22px 20px;color:var(--muted);font-size:14.5px;line-height:1.8;border-top:1px dashed var(--border);padding-top:14px}
.cta-section{padding:64px 0;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;top:-70px;right:-40px;width:260px;height:260px;border-radius:50%;background:rgba(201,161,90,.15)}
.cta-section::after{content:'';position:absolute;bottom:-90px;left:-30px;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.06)}
.cta-inner{text-align:center;position:relative;z-index:1;max-width:640px;margin:0 auto}
.cta-inner h2{font-size:32px;font-weight:800;margin-bottom:14px;letter-spacing:-.5px}
.cta-inner p{font-size:16px;color:rgba(255,255,255,.8);margin-bottom:28px}
.cta-btns{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
.cta-btns .btn-accent{background:var(--accent);color:#fff}
.cta-btns .btn-accent:hover{background:#d4ab68}
.btn-outline{background:transparent;border:1.5px solid rgba(255,255,255,.5);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.1);border-color:#fff;transform:translateY(-2px)}
.site-footer{background:#0f172a;color:#94a3b8;padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:36px;padding-bottom:40px}
.footer-brand .logo{color:#fff;margin-bottom:14px}
.footer-brand .logo span{color:var(--accent)}
.footer-brand p{font-size:14px;line-height:1.7;margin-bottom:20px;color:#94a3b8}
.footer-social{display:flex;gap:10px}
.footer-social a{width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;color:#cbd5e1;font-size:16px;transition:all .25s}
.footer-social a:hover{background:var(--accent);color:#fff;transform:translateY(-3px)}
.footer-col h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{list-style:none}
.footer-col ul li{margin-bottom:10px;font-size:14px}
.footer-col ul a{color:#94a3b8;transition:color .2s}
.footer-col ul a:hover{color:var(--accent)}
.footer-col ul li i{color:var(--accent);width:20px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;text-align:center;font-size:13px;color:#64748b}
@media(max-width:1024px){
    .article-layout{grid-template-columns:1fr;gap:28px}
    .related-grid{grid-template-columns:repeat(2,1fr)}
    .process-grid{grid-template-columns:repeat(2,1fr)}
    .faq-grid{grid-template-columns:1fr}
    .search-box{width:220px}
}
@media(max-width:768px){
    .header-top-inner{height:60px;gap:12px}
    .logo{font-size:20px}
    .search-box{display:none}
    .header-actions .btn{padding:8px 18px;font-size:14px}
    .article-hero{padding:46px 0 40px}
    .article-hero h1{font-size:28px}
    .hero-meta{gap:14px;flex-wrap:wrap}
    .article-card-header{padding:20px 20px 0}
    .article-card-body{padding:16px 20px 24px}
    .related-grid{grid-template-columns:1fr;max-width:480px;margin:0 auto}
    .process-grid{grid-template-columns:1fr;max-width:400px;margin:28px auto 0}
    .faq-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr;gap:32px}
    .cta-inner h2{font-size:26px}
    .nav-tabs-inner{padding:8px 0}
    .section-header h2{font-size:25px}
}
@media(max-width:520px){
    .container{padding:0 16px}
    .article-hero h1{font-size:23px}
    .side-quick{padding:20px 16px}
    .cta-btns{flex-direction:column;align-items:center}
    .cta-btns .btn{width:100%;max-width:280px}
    .header-actions .btn{font-size:13px;padding:7px 14px}
    .logo{font-size:18px}
    .article-content{font-size:15.5px;line-height:1.85}
    .breadcrumb{font-size:12px}
    .footer-bottom p{font-size:12px}
}