/* roulang page: index */
:root{
    --primary:#0b1f3a;
    --primary-700:#15325a;
    --primary-600:#1f4478;
    --accent:#f97316;
    --accent-600:#ea6a0a;
    --accent-100:#fff3e6;
    --bg:#f4f6f9;
    --bg-alt:#e9edf2;
    --white:#fff;
    --text:#172a3a;
    --text-weak:#5e6f80;
    --border:#dfe5ec;
    --radius:16px;
    --radius-sm:10px;
    --shadow:0 6px 24px rgba(11,31,58,.07);
    --shadow-lg:0 16px 48px rgba(11,31,58,.12);
    --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;
    --header-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
    font-family:var(--font);
    line-height:1.7;
    color:var(--text);
    background:var(--white);
    -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .25s ease;}
a:hover{color:var(--accent);}
h1,h2,h3,h4,h5,h6{
    font-family:var(--font);
    line-height:1.3;
    margin:0 0 .5em;
    color:var(--primary);
}
p{margin:0 0 1rem;}
input,button,textarea{font-family:inherit;font-size:inherit;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}
.site-header{
    position:sticky;top:0;z-index:200;
    background:rgba(255,255,255,.96);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--border);
    box-shadow:0 2px 12px rgba(11,31,58,.04);
    height:var(--header-h);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);gap:24px;}
.brand{
    font-size:22px;font-weight:800;letter-spacing:-.5px;
    color:var(--primary);
    display:flex;align-items:center;gap:10px;
    white-space:nowrap;
}
.brand i{color:var(--accent);font-size:26px;}
.brand:hover{color:var(--primary);}
.brand span{
    font-size:11px;font-weight:500;color:var(--text-weak);
    background:var(--bg);padding:2px 8px;border-radius:20px;
    letter-spacing:.4px;display:inline-block;vertical-align:2px;
}
.site-nav{display:flex;align-items:center;gap:8px;}
.nav-link{
    padding:10px 18px;border-radius:24px;
    color:var(--text);font-size:15px;font-weight:500;
    transition:all .25s ease;position:relative;
}
.nav-link:hover{background:var(--bg);color:var(--primary);}
.nav-link.active{background:var(--primary);color:#fff;font-weight:600;box-shadow:0 4px 14px rgba(11,31,58,.18);}
.nav-link.active:hover{background:var(--primary-700);color:#fff;}
.header-tools{display:flex;align-items:center;gap:12px;}
.search-box{
    display:flex;align-items:center;background:var(--bg);
    border:1px solid var(--border);border-radius:24px;
    padding:8px 14px;width:200px;transition:all .25s ease;
}
.search-box:focus-within{border-color:var(--accent);background:#fff;box-shadow:0 0 0 3px rgba(249,115,22,.12);width:220px;}
.search-box input{border:none;outline:none;background:transparent;font-size:14px;width:100%;color:var(--text);}
.search-box input::placeholder{color:var(--text-weak);}
.search-box i{color:var(--text-weak);margin-left:8px;font-size:13px;}
.btn{
    display:inline-flex;align-items:center;justify-content:center;
    gap:8px;padding:12px 26px;border-radius:12px;
    font-size:15px;font-weight:600;line-height:1;border:none;cursor:pointer;
    transition:all .28s ease;text-decoration:none;white-space:nowrap;
}
.btn i{font-size:14px;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 14px rgba(11,31,58,.2);}
.btn-primary:hover{background:var(--primary-700);color:#fff;transform:translateY(-2px);box-shadow:0 8px 24px rgba(11,31,58,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:0 2px 8px rgba(11,31,58,.2);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 4px 14px rgba(249,115,22,.25);}
.btn-accent:hover{background:var(--accent-600);color:#fff;transform:translateY(-2px);box-shadow:0 8px 24px rgba(249,115,22,.32);}
.btn-light{background:#fff;color:var(--primary);box-shadow:0 4px 14px rgba(0,0,0,.1);}
.btn-light:hover{background:var(--bg);color:var(--primary);transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.14);}
.btn-outline-light{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.7);}
.btn-outline-light:hover{background:rgba(255,255,255,.15);color:#fff;transform:translateY(-2px);}
.btn-ghost{border:2px solid var(--border);color:var(--text);background:transparent;}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:var(--bg);}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:10px;}
.btn-lg{padding:16px 36px;font-size:16px;border-radius:14px;}
.menu-toggle{
    display:none;background:none;border:none;font-size:24px;color:var(--text);
    cursor:pointer;padding:6px;line-height:1;
}
.mobile-menu{
    display:none;position:fixed;top:var(--header-h);left:0;right:0;z-index:199;
    background:#fff;border-bottom:1px solid var(--border);
    box-shadow:0 12px 32px rgba(11,31,58,.12);
    padding:8px 24px 16px;
}
.mobile-menu.open{display:block;}
.mobile-nav-link{
    display:block;padding:14px 8px;font-size:16px;font-weight:500;
    color:var(--text);border-bottom:1px solid var(--border);
}
.mobile-nav-link:last-child{border-bottom:none;}
.mobile-nav-link:hover{color:var(--accent);background:var(--bg);border-radius:10px;}
.mobile-nav-link.active{color:var(--accent);font-weight:700;}
.hero{
    position:relative;min-height:580px;
    display:flex;align-items:center;
    background-size:cover;background-position:center;
    padding:100px 0;
}
.hero-overlay{
    position:absolute;inset:0;background:linear-gradient(135deg,rgba(11,31,58,.88) 0%,rgba(11,31,58,.68) 45%,rgba(15,45,85,.42) 100%);
}
.hero-content{position:relative;z-index:2;max-width:680px;}
.hero-badge{
    display:inline-flex;align-items:center;gap:8px;
    background:rgba(255,255,255,.18);backdrop-filter:blur(4px);
    color:#fff;font-size:13px;font-weight:600;letter-spacing:2px;
    padding:6px 16px;border-radius:24px;margin-bottom:20px;border:1px solid rgba(255,255,255,.25);
}
.hero-badge::before{content:'';width:6px;height:6px;background:var(--accent);border-radius:50%;}
.hero h1{
    color:#fff;font-size:52px;font-weight:800;line-height:1.15;
    letter-spacing:-1px;margin-bottom:16px;
}
.hero-sub{
    color:rgba(255,255,255,.9);font-size:18px;line-height:1.8;
    margin-bottom:32px;max-width:520px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.section{padding:90px 0;}
.section-alt{background:var(--bg);}
.section-head{text-align:center;max-width:640px;margin:0 auto 52px;}
.section-tag{
    display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;
    color:var(--accent);text-transform:uppercase;margin-bottom:10px;
}
.section-title{font-size:36px;font-weight:800;letter-spacing:-.5px;margin-bottom:12px;}
.section-sub{color:var(--text-weak);font-size:16px;line-height:1.8;}
.feature-card{
    background:var(--white);border:1px solid var(--border);
    border-radius:var(--radius);padding:36px 30px;
    text-align:center;transition:all .35s ease;height:100%;
    box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.feature-card::after{
    content:'';position:absolute;left:0;right:0;bottom:0;height:4px;
    background:linear-gradient(90deg,var(--accent),var(--accent-600));
    transform:scaleX(0);transform-origin:left;transition:transform .4s ease;
}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);}
.feature-card:hover::after{transform:scaleX(1);}
.feature-card i{font-size:40px;color:var(--accent);margin-bottom:18px;display:inline-block;}
.feature-card h3{font-size:20px;font-weight:700;margin-bottom:10px;}
.feature-card p{color:var(--text-weak);font-size:15px;margin:0;}
.category-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;}
.category-card{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);position:relative;height:100%;min-height:380px;}
.category-cover{
    background-size:cover;background-position:center;
    height:100%;min-height:380px;display:flex;align-items:flex-end;
    position:relative;transition:transform .6s ease;
}
.category-cover::before{
    content:'';position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(11,31,58,0) 0%,rgba(11,31,58,0) 35%,rgba(11,31,58,.68) 78%,rgba(11,31,58,.88) 100%);
}
.category-card:hover .category-cover{transform:scale(1.03);}
.category-inner{position:relative;z-index:2;padding:36px 32px;color:#fff;width:100%;}
.category-inner h3{color:#fff;font-size:26px;font-weight:800;margin-bottom:8px;}
.category-inner p{color:rgba(255,255,255,.85);font-size:15px;margin-bottom:16px;line-height:1.7;}
.category-inner .btn{margin-top:4px;}
.category-inner .btn i{margin-left:6px;font-size:13px;}
.news-list{display:flex;flex-direction:column;gap:18px;max-width:860px;margin:0 auto;}
.news-card{
    background:var(--white);border:1px solid var(--border);
    border-radius:var(--radius);padding:28px 30px;
    transition:all .3s ease;box-shadow:var(--shadow);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:transparent;}
.news-card .tag{
    display:inline-block;background:var(--accent-100);color:var(--accent-600);
    font-size:12px;font-weight:700;padding:4px 12px;border-radius:20px;margin-bottom:14px;
    letter-spacing:.5px;
}
.news-card h3{margin-bottom:8px;font-size:19px;}
.news-card h3 a{color:var(--text);}
.news-card h3 a:hover{color:var(--accent);}
.news-card p{color:var(--text-weak);font-size:15px;margin-bottom:14px;line-height:1.7;}
.news-card .meta{display:flex;gap:18px;color:var(--text-weak);font-size:13px;}
.news-card .meta i{margin-right:5px;}
.news-empty{
    text-align:center;color:var(--text-weak);font-size:16px;
    padding:60px 20px;background:var(--white);border-radius:var(--radius);
    border:1px dashed var(--border);
}
.stats-block{
    position:relative;background-size:cover;background-position:center;
    padding:80px 0;color:#fff;
}
.stats-overlay{
    position:absolute;inset:0;background:linear-gradient(120deg,rgba(11,31,58,.92),rgba(21,50,90,.85));
}
.stats-inner{position:relative;z-index:2;text-align:center;}
.stats-item{padding:24px 12px;}
.stat-num{
    display:block;font-size:48px;font-weight:800;color:#fff;line-height:1.2;
    letter-spacing:-1px;margin-bottom:6px;
}
.stat-num::after{
    content:'';display:block;width:32px;height:3px;background:var(--accent);
    margin:12px auto 0;border-radius:4px;
}
.stat-label{color:rgba(255,255,255,.75);font-size:15px;letter-spacing:1px;}
.featured-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.featured-card{
    background:var(--white);border-radius:var(--radius);overflow:hidden;
    box-shadow:var(--shadow);transition:all .35s ease;border:1px solid var(--border);
}
.featured-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);}
.featured-img{height:180px;overflow:hidden;position:relative;}
.featured-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.featured-card:hover .featured-img img{transform:scale(1.06);}
.featured-content{padding:22px 20px;}
.featured-content .tag{
    display:inline-block;background:var(--primary);color:#fff;
    font-size:11px;font-weight:700;padding:3px 10px;border-radius:16px;margin-bottom:10px;
}
.featured-content h4{font-size:17px;font-weight:700;margin-bottom:6px;line-height:1.4;}
.featured-content p{color:var(--text-weak);font-size:13px;margin:0;line-height:1.7;}
.faq-list{max-width:780px;margin:0 auto;}
.faq-item{
    background:var(--white);border:1px solid var(--border);
    border-radius:var(--radius);margin-bottom:16px;overflow:hidden;
    transition:all .3s ease;
}
.faq-item:hover{border-color:var(--border);box-shadow:var(--shadow);}
.faq-item.active{border-color:var(--accent);box-shadow:0 4px 20px rgba(249,115,22,.1);}
.faq-question{
    width:100%;background:none;border:none;text-align:left;
    padding:22px 26px;font-size:16px;font-weight:600;color:var(--text);
    cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;
    transition:color .25s;
}
.faq-question:hover{color:var(--accent);}
.faq-question i{
    font-size:14px;color:var(--text-weak);transition:transform .3s ease;
    flex-shrink:0;
}
.faq-item.active .faq-question i{transform:rotate(180deg);color:var(--accent);}
.faq-answer{display:none;padding:0 26px 24px;color:var(--text-weak);font-size:15px;line-height:1.8;}
.cta-block{
    position:relative;background:linear-gradient(120deg,var(--primary),var(--primary-600));
    padding:100px 0;text-align:center;overflow:hidden;
}
.cta-block::before{
    content:'';position:absolute;top:-60%;right:-20%;width:420px;height:420px;
    background:rgba(249,115,22,.14);border-radius:50%;
}
.cta-block::after{
    content:'';position:absolute;bottom:-40%;left:-10%;width:300px;height:300px;
    background:rgba(255,255,255,.05);border-radius:50%;
}
.cta-block .container{position:relative;z-index:2;}
.cta-block h2{color:#fff;font-size:38px;font-weight:800;margin-bottom:12px;letter-spacing:-.5px;}
.cta-block p{color:rgba(255,255,255,.8);font-size:17px;max-width:560px;margin:0 auto 36px;}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}
.site-footer{background:#0a1a2f;color:rgba(255,255,255,.7);padding:70px 0 0;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.5fr;gap:48px;padding-bottom:50px;}
.footer-brand{
    font-size:24px;font-weight:800;color:#fff;margin-bottom:14px;display:flex;align-items:center;gap:10px;
}
.footer-brand i{color:var(--accent);}
.footer-brand span{
    font-size:11px;font-weight:500;color:rgba(255,255,255,.5);
    background:rgba(255,255,255,.08);padding:2px 8px;border-radius:20px;
}
.footer-desc{font-size:14px;line-height:1.8;max-width:300px;}
.footer-title{color:#fff;font-size:16px;font-weight:600;margin-bottom:20px;letter-spacing:.5px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(255,255,255,.65);font-size:14px;transition:all .25s;}
.footer-links a:hover{color:var(--accent);padding-left:4px;}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14px;}
.footer-contact i{color:var(--accent);width:22px;}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,.08);
    padding:24px 0;font-size:13px;color:rgba(255,255,255,.45);
    text-align:center;
}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:var(--accent);}

/* Responsive */
@media screen and (max-width:1024px){
    .hero h1{font-size:44px;}
    .section{padding:72px 0;}
    .featured-grid{grid-template-columns:repeat(2,1fr);}
    .search-box{width:150px;}
    .search-box:focus-within{width:170px;}
    .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:820px){
    .site-nav{display:none;}
    .menu-toggle{display:inline-flex;}
    .search-box{display:none;}
    .header-tools .btn-sm{display:none;}
    .mobile-menu{display:none;}
    .mobile-menu.open{display:block;}
    .hero{min-height:480px;padding:80px 0;}
    .hero h1{font-size:36px;}
    .hero-sub{font-size:16px;}
    .category-grid{grid-template-columns:1fr;gap:24px;}
    .category-card,.category-cover{min-height:300px;}
    .section-title{font-size:30px;}
    .stats-block{padding:60px 0;}
    .stat-num{font-size:38px;}
    .cta-block h2{font-size:30px;}
    .cta-block{padding:70px 0;}
}
@media screen and (max-width:520px){
    .container{padding:0 16px;}
    .brand{font-size:18px;}
    .brand span{display:none;}
    .featured-grid{grid-template-columns:1fr;}
    .hero{min-height:420px;padding:60px 0;}
    .hero h1{font-size:30px;}
    .hero-actions{flex-direction:column;}
    .hero-actions .btn{width:100%;}
    .section{padding:56px 0;}
    .section-head{margin-bottom:36px;}
    .feature-card{padding:28px 20px;}
    .news-card{padding:22px 20px;}
    .footer-grid{grid-template-columns:1fr;gap:28px;}
    .stats-item{padding:16px 8px;}
    .stat-num{font-size:32px;}
    .cta-actions{flex-direction:column;}
    .cta-actions .btn{width:100%;}
}
.focus-visible:focus-visible{
    outline:3px solid rgba(249,115,22,.5);
    outline-offset:2px;
}
a:focus-visible,.btn:focus-visible,button:focus-visible,input:focus-visible{
    outline:3px solid rgba(249,115,22,.5);
    outline-offset:2px;
}

/* roulang page: article */
:root {
    --primary: #1c2a5b;
    --primary-dark: #131f42;
    --primary-light: #2a3f8a;
    --accent: #f0a500;
    --accent-hover: #d99200;
    --accent-light: #fff4d6;
    --bg: #f6f7fb;
    --card-bg: #ffffff;
    --text: #1e2235;
    --text-weak: #6a7180;
    --border: #e6e9f2;
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --shadow-sm: 0 2px 8px rgba(28, 42, 91, .06);
    --shadow-md: 0 6px 24px rgba(28, 42, 91, .08);
    --shadow-lg: 0 16px 48px rgba(28, 42, 91, .12);
    --transition: .25s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.65;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; border: none; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }
button, input, select, textarea { font-family: inherit; font-size: inherit; color: inherit; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== Header / Nav ===== */
.site-header {
    background: #ffffff;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 2px 20px rgba(28, 42, 91, .05);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 24px;
}
.site-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 800;
    color: var(--text);
    letter-spacing: -0.3px;
    flex-shrink: 0;
}
.site-logo i {
    font-size: 26px;
    color: var(--accent);
    background: linear-gradient(135deg, var(--accent), #ffc940);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.site-logo b {
    color: var(--primary);
    font-weight: 800;
}
.site-logo small {
    display: block;
    font-size: 10px;
    letter-spacing: 3px;
    color: var(--text-weak);
    font-weight: 400;
    line-height: 1;
}
.site-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav-link {
    display: inline-block;
    padding: 8px 18px;
    border-radius: 100px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text);
    transition: all var(--transition);
    position: relative;
}
.nav-link:hover {
    color: var(--primary);
    background: #f0f2f9;
}
.nav-link.active {
    color: #ffffff;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    box-shadow: 0 4px 14px rgba(28, 42, 91, .25);
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
}
.header-search {
    display: flex;
    align-items: center;
    background: #f2f4fa;
    border-radius: 100px;
    padding: 0 4px 0 16px;
    border: 1px solid transparent;
    transition: all var(--transition);
    height: 40px;
    width: 220px;
}
.header-search:focus-within {
    border-color: var(--accent);
    background: #fff;
    box-shadow: 0 0 0 3px rgba(240, 165, 0, .15);
}
.header-search input {
    border: none;
    background: transparent;
    outline: none;
    width: 100%;
    font-size: 14px;
    color: var(--text);
}
.header-search input::placeholder { color: #a2a8b8; }
.header-search button {
    border: none;
    background: var(--primary);
    color: #fff;
    width: 34px;
    height: 34px;
    border-radius: 100px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition);
    flex-shrink: 0;
}
.header-search button:hover { background: var(--primary-light); }
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 15px;
    padding: 12px 28px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    line-height: 1.3;
    white-space: nowrap;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    box-shadow: 0 6px 18px rgba(28, 42, 91, .25);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(28, 42, 91, .3);
    color: #fff;
}
.btn-outline {
    background: transparent;
    border-color: var(--primary);
    color: var(--primary);
}
.btn-outline:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}
.btn-light {
    background: #fff;
    color: var(--primary);
}
.btn-light:hover {
    background: var(--accent);
    color: #fff;
    transform: translateY(-2px);
}
.btn-accent {
    background: linear-gradient(135deg, var(--accent), #ffbe3d);
    color: #1e2235;
    box-shadow: 0 6px 18px rgba(240, 165, 0, .3);
}
.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(240, 165, 0, .35);
    color: #1e2235;
}
.btn-sm { padding: 8px 20px; font-size: 14px; }
.btn-lg { padding: 16px 40px; font-size: 16px; }
.nav-toggle {
    display: none;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 10px;
    width: 42px;
    height: 42px;
    font-size: 18px;
    color: var(--text);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    transition: all var(--transition);
}
.nav-toggle:hover {
    background: #f0f2f9;
    border-color: var(--primary);
}
.mobile-nav {
    display: none;
    flex-direction: column;
    background: #fff;
    border-top: 1px solid var(--border);
    padding: 12px 24px 20px;
    gap: 4px;
}
.mobile-nav .nav-link {
    border-radius: 10px;
    padding: 12px 16px;
}
.mobile-nav.open {
    display: flex;
}

/* ===== Breadcrumb ===== */
.breadcrumb-section {
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 14px 0;
}
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: var(--text-weak);
}
.breadcrumb a {
    color: var(--text-weak);
}
.breadcrumb a:hover {
    color: var(--accent);
}
.breadcrumb .sep {
    color: #c3c9d9;
    font-size: 12px;
}
.breadcrumb .current {
    color: var(--text);
    font-weight: 600;
}

/* ===== Article Section ===== */
.article-section {
    padding: 48px 0 64px;
}
.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 40px;
    align-items: start;
}
.article-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    padding: 48px 52px;
    position: relative;
    overflow: hidden;
}
.article-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary));
    background-size: 200% 100%;
    animation: shimmer 6s ease infinite;
}
@keyframes shimmer {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}
.article-meta-top {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    margin-bottom: 20px;
}
.category-badge {
    background: linear-gradient(135deg, var(--accent), #fbbf24);
    color: #1e2235;
    padding: 5px 16px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .5px;
    box-shadow: 0 3px 10px rgba(240, 165, 0, .3);
}
.meta-date {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--text-weak);
}
.meta-date i {
    color: var(--accent);
}
.article-title {
    font-size: 36px;
    line-height: 1.25;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}
.article-divider {
    height: 1px;
    background: linear-gradient(90deg, var(--border) 0%, transparent 100%);
    margin-bottom: 32px;
}
.article-content {
    font-size: 16px;
    line-height: 1.9;
    color: #3a4054;
}
.article-content p {
    margin-bottom: 1.5em;
}
.article-content h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
    margin: 2em 0 0.8em;
    border-left: 4px solid var(--accent);
    padding-left: 14px;
    line-height: 1.4;
}
.article-content h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    margin: 1.6em 0 0.6em;
    line-height: 1.4;
}
.article-content h4 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
    margin: 1.4em 0 0.5em;
}
.article-content a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}
.article-content a:hover {
    color: var(--accent);
}
.article-content img {
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    margin: 1.8em 0;
}
.article-content ul,
.article-content ol {
    padding-left: 1.5em;
    margin-bottom: 1.5em;
}
.article-content li {
    margin-bottom: 0.5em;
}
.article-content li::marker {
    color: var(--accent);
}
.article-content blockquote {
    border-left: 4px solid var(--accent);
    background: var(--accent-light);
    padding: 18px 24px;
    margin: 1.8em 0;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    color: #6b5b21;
    font-style: italic;
    position: relative;
}
.article-content blockquote::before {
    content: "\f10d";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    color: var(--accent);
    position: absolute;
    top: -12px;
    left: 16px;
    font-size: 22px;
}
.article-content code {
    background: #f0f2f9;
    border-radius: 6px;
    padding: 2px 8px;
    font-size: 14px;
    font-family: "SFMono-Regular", Consolas, monospace;
    color: #d6336c;
}
.article-content hr {
    border: none;
    height: 1px;
    background: var(--border);
    margin: 2em 0;
}
.article-footer {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.tag-item {
    background: #f2f4fa;
    border: 1px solid var(--border);
    color: var(--text-weak);
    font-size: 13px;
    padding: 4px 14px;
    border-radius: 100px;
    transition: all var(--transition);
    cursor: default;
}
.tag-item:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #1e2235;
}
.share-buttons {
    display: flex;
    align-items: center;
    gap: 10px;
}
.share-label {
    font-size: 14px;
    color: var(--text-weak);
    margin-right: 4px;
}
.share-btn {
    width: 38px;
    height: 38px;
    border-radius: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--text-weak);
    cursor: pointer;
    transition: all var(--transition);
}
.share-btn:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(28, 42, 91, .2);
}
.share-btn.copy-btn:hover {
    background: var(--accent);
    border-color: var(--accent);
    color: #1e2235;
}

/* ===== Sidebar ===== */
.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.sidebar-card {
    background: var(--card-bg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    padding: 28px;
}
.sidebar-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--bg);
    position: relative;
}
.sidebar-title::after {
    content: "";
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), transparent);
}
.sidebar-title i {
    color: var(--accent);
    font-size: 18px;
}
.sidebar-list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.sidebar-list li {
    border-bottom: 1px dashed var(--border);
    padding: 12px 0;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}
.sidebar-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}
.sidebar-list .num {
    font-size: 14px;
    font-weight: 800;
    color: rgba(240, 165, 0, .6);
    font-style: italic;
    min-width: 24px;
}
.sidebar-list a {
    font-size: 14px;
    color: var(--text);
    line-height: 1.5;
    transition: color var(--transition);
}
.sidebar-list a:hover {
    color: var(--accent);
}
.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.tag-list a,
.tag-list span {
    display: inline-block;
    background: #f2f4fa;
    border-radius: 100px;
    padding: 5px 14px;
    font-size: 13px;
    color: var(--text-weak);
    transition: all var(--transition);
    cursor: pointer;
    border: 1px solid transparent;
}
.tag-list a:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 4px 12px rgba(28, 42, 91, .2);
}
.sidebar-cta {
    background: linear-gradient(160deg, var(--primary-dark), var(--primary));
    border: none;
    color: #fff;
    text-align: center;
    overflow: hidden;
    position: relative;
}
.sidebar-cta::before {
    content: "";
    position: absolute;
    top: -40%;
    right: -40%;
    width: 140%;
    height: 140%;
    background: radial-gradient(circle at center, rgba(240, 165, 0, .15), transparent 60%);
    pointer-events: none;
}
.sidebar-cta img {
    width: 100%;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    max-height: 130px;
    object-fit: cover;
}
.sidebar-cta h3 {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}
.sidebar-cta p {
    font-size: 13px;
    color: rgba(255, 255, 255, .75);
    margin-bottom: 16px;
    line-height: 1.6;
}
.sidebar-cta .btn-outline {
    border-color: rgba(255, 255, 255, .5);
    color: #fff;
}
.sidebar-cta .btn-outline:hover {
    background: #fff;
    color: var(--primary);
    border-color: #fff;
}

/* ===== Related Section ===== */
.related-section {
    padding: 70px 0;
    background: #fff;
    border-top: 1px solid var(--border);
}
.section-head {
    text-align: center;
    margin-bottom: 48px;
}
.section-tag {
    display: inline-block;
    background: var(--accent-light);
    color: var(--accent-hover);
    font-size: 13px;
    font-weight: 600;
    padding: 5px 16px;
    border-radius: 100px;
    margin-bottom: 14px;
    letter-spacing: 1px;
}
.section-head h2 {
    font-size: 32px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}
.section-head h2 span {
    color: var(--accent);
    font-weight: 400;
    font-size: 20px;
    margin-left: 6px;
}
.section-head p {
    color: var(--text-weak);
    font-size: 15px;
}
.related-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}
.related-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
    display: flex;
}
.related-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(240, 165, 0, .4);
}
.related-card img {
    width: 200px;
    object-fit: cover;
    flex-shrink: 0;
}
.related-info {
    padding: 28px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 10px;
}
.card-tag {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    font-size: 12px;
    padding: 3px 12px;
    border-radius: 100px;
    font-weight: 600;
    width: fit-content;
}
.related-info h3 {
    font-size: 19px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.4;
    margin: 0;
}
.related-info a {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all var(--transition);
    margin-top: auto;
}
.related-info a:hover {
    color: var(--accent);
    gap: 10px;
}

/* ===== Not Found ===== */
.notfound-section {
    padding: 120px 0;
    text-align: center;
}
.notfound-box {
    max-width: 520px;
    margin: 0 auto;
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    padding: 60px 48px;
}
.notfound-box i {
    font-size: 64px;
    color: var(--accent);
    margin-bottom: 24px;
    display: block;
}
.notfound-box h1 {
    font-size: 30px;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 12px;
}
.notfound-box p {
    color: var(--text-weak);
    font-size: 15px;
    margin-bottom: 28px;
    line-height: 1.7;
}

/* ===== CTA ===== */
.cta-section {
    padding: 90px 0;
    background: linear-gradient(135deg, rgba(28, 42, 91, .92), rgba(19, 31, 66, .95)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 20%, rgba(240, 165, 0, .12) 0%, transparent 50%);
    pointer-events: none;
}
.cta-inner {
    text-align: center;
    max-width: 680px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}
.cta-inner h2 {
    font-size: 38px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
    line-height: 1.3;
}
.cta-inner h2 em {
    color: var(--accent);
    font-style: normal;
}
.cta-inner p {
    color: rgba(255, 255, 255, .75);
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 36px;
}
.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* ===== Footer ===== */
.site-footer {
    background: #1a1f36;
    color: rgba(255, 255, 255, .75);
    padding: 60px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
}
.footer-brand i {
    color: var(--accent);
    font-size: 26px;
}
.footer-brand span {
    font-size: 10px;
    letter-spacing: 3px;
    color: rgba(255, 255, 255, .4);
    align-self: flex-end;
    margin-bottom: 4px;
}
.footer-desc {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, .6);
    max-width: 360px;
}
.footer-title {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 20px;
    letter-spacing: .5px;
}
.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.footer-links a {
    color: rgba(255, 255, 255, .65);
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition);
}
.footer-links a i {
    color: var(--accent);
    font-size: 13px;
    width: 16px;
    text-align: center;
}
.footer-links a:hover {
    color: #fff;
    padding-left: 4px;
}
.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.footer-contact span {
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, .65);
}
.footer-contact span i {
    color: var(--accent);
    font-size: 14px;
    width: 18px;
    text-align: center;
}
.footer-bottom {
    padding: 22px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, .4);
}
.footer-bottom a {
    color: rgba(255, 255, 255, .6);
}
.footer-bottom a:hover {
    color: var(--accent);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .header-container { gap: 14px; }
    .header-search { width: 160px; }
    .nav-link { padding: 8px 12px; font-size: 14px; }
    .article-layout { grid-template-columns: minmax(0, 1fr) 320px; gap: 28px; }
    .article-card { padding: 36px; }
    .article-title { font-size: 30px; }
    .related-card { flex-direction: column; }
    .related-card img { width: 100%; height: 200px; }
}
@media (max-width: 820px) {
    .site-nav { display: none; }
    .nav-toggle { display: flex; }
    .header-search { display: none; }
    .header-actions .btn-primary { display: none; }
    .mobile-nav.open { display: flex; }
    .article-layout { grid-template-columns: 1fr; }
    .article-sidebar { order: 2; }
    .article-card { padding: 32px 24px; }
    .article-title { font-size: 27px; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }
    .container { padding: 0 20px; }
    .related-grid { grid-template-columns: 1fr; }
    .cta-inner h2 { font-size: 28px; }
    .cta-buttons .btn { padding: 12px 22px; }
    .footer-desc { max-width: none; }
}
@media (max-width: 520px) {
    .header-container { height: 64px; }
    .site-logo { font-size: 17px; }
    .site-logo i { font-size: 22px; }
    .article-section { padding: 32px 0 48px; }
    .article-card { padding: 24px 18px; border-radius: 14px; }
    .article-title { font-size: 23px; line-height: 1.35; }
    .meta-date { font-size: 13px; }
    .article-footer { flex-direction: column; align-items: flex-start; }
    .share-buttons { width: 100%; justify-content: flex-start; }
    .breadcrumb { font-size: 12px; }
    .related-info { padding: 20px; }
    .related-card img { height: 170px; }
    .notfound-box { padding: 40px 24px; }
    .cta-section { padding: 60px 0; }
    .cta-inner h2 { font-size: 24px; }
    .cta-inner p { font-size: 14px; }
    .footer-brand { font-size: 19px; }
    .footer-title { margin-bottom: 14px; }
    .footer-contact span { font-size: 13px; }
    .footer-links a { font-size: 13px; }
    .footer-bottom { font-size: 12px; }
}

/* roulang page: category1 */
:root{
  --primary:#12294f;
  --primary-2:#1b3a6b;
  --accent:#ff6a2b;
  --accent-deep:#e9571c;
  --accent-soft:#fff1e8;
  --gold:#ffb548;
  --bg:#f6f5f2;
  --surface:#ffffff;
  --surface-2:#f0f2f6;
  --text:#17202e;
  --muted:#64748b;
  --border:#e6e3dc;
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:22px;
  --shadow-sm:0 2px 8px rgba(18,41,79,.06);
  --shadow-md:0 12px 32px rgba(18,41,79,.10);
  --shadow-lg:0 24px 60px rgba(18,41,79,.16);
  --transition:.25s cubic-bezier(.4,0,.2,1);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;transition:color var(--transition)}
img{max-width:100%;display:block}
button{appearance:none;-webkit-appearance:none;border:0;background:none;cursor:pointer;font-family:inherit;font-size:inherit}
input,select,textarea{font-family:inherit;font-size:inherit}
ul,ol{list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(255,106,43,.4);outline-offset:2px}
section[id]{scroll-margin-top:90px}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
h1,h2,h3,h4{line-height:1.3;color:var(--primary);font-weight:800;letter-spacing:-.01em}
.section{padding:90px 0}
.section-alt{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-head{max-width:700px;margin:0 auto 50px;text-align:center}
.section-kicker{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.14em;color:var(--accent);background:var(--accent-soft);border:1px solid #ffe0cf;padding:6px 16px;border-radius:999px;margin-bottom:16px;text-transform:uppercase}
.section-head h2{font-size:clamp(1.7rem,3vw,2.35rem);margin-bottom:12px}
.section-head p{color:var(--muted);font-size:1.04rem}
@media(max-width:640px){.section{padding:60px 0}.section-head{margin-bottom:36px}.container{padding:0 18px}}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:12px 24px;border-radius:999px;font-weight:700;font-size:.95rem;border:2px solid transparent;cursor:pointer;transition:all var(--transition);line-height:1.2}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(18,41,79,.22)}
.btn-primary:hover{background:var(--primary-2);box-shadow:0 10px 24px rgba(18,41,79,.28)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(255,106,43,.3)}
.btn-accent:hover{background:var(--accent-deep);box-shadow:0 12px 26px rgba(255,106,43,.36)}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-outline:hover{background:var(--primary);color:#fff}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:saturate(140%) blur(14px);-webkit-backdrop-filter:saturate(140%) blur(14px);border-bottom:1px solid var(--border);box-shadow:0 2px 20px rgba(18,41,79,.05)}
.header-inner{display:flex;align-items:center;gap:24px;min-height:72px}
.brand-logo{display:flex;align-items:center;gap:12px;font-size:1.22rem;font-weight:900;color:var(--primary);letter-spacing:-.02em;flex-shrink:0}
.logo-icon{width:40px;height:40px;border-radius:13px;background:linear-gradient(135deg,#0d1f3d,var(--accent));color:#fff;display:grid;place-items:center;font-size:1rem;box-shadow:0 6px 14px rgba(255,106,43,.25)}
.site-nav{display:flex;align-items:center;gap:4px;margin-left:12px}
.nav-link{padding:10px 18px;border-radius:999px;font-weight:600;font-size:.95rem;color:var(--muted);transition:all var(--transition)}
.nav-link:hover{color:var(--primary);background:var(--surface-2)}
.nav-link.active{color:#fff;background:var(--primary);box-shadow:0 6px 16px rgba(18,41,79,.22)}
.nav-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.search-box{position:relative}
.search-box i{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:.85rem;pointer-events:none}
.search-box input{width:190px;height:40px;border:1px solid var(--border);border-radius:999px;background:var(--bg);padding:0 16px 0 40px;font-size:.88rem;transition:all var(--transition)}
.search-box input:focus{outline:none;border-color:var(--accent);background:#fff;box-shadow:0 0 0 4px rgba(255,106,43,.12);width:230px}
.nav-cta{height:40px;padding:0 20px;font-size:.88rem}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;background:var(--surface-2);color:var(--primary);align-items:center;justify-content:center;font-size:1.05rem}
@media(max-width:992px){
  .search-box{display:none}
}
@media(max-width:768px){
  .header-inner{gap:10px;min-height:64px}
  .nav-toggle{display:inline-flex}
  .site-nav{position:absolute;top:100%;left:16px;right:16px;display:none;flex-direction:column;align-items:stretch;gap:6px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:14px;box-shadow:var(--shadow-lg);z-index:90}
  .site-header.nav-open .site-nav{display:flex;animation:navDrop .25s ease}
  .site-nav .nav-link{padding:13px 18px;border-radius:12px}
  .nav-cta{padding:0 16px}
  .nav-cta .fa-regular{display:none}
}
@keyframes navDrop{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.page-hero{position:relative;min-height:480px;display:flex;align-items:center;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;isolation:isolate;overflow:hidden}
.hero-overlay{position:absolute;inset:0;z-index:-1;background:linear-gradient(105deg,rgba(7,17,36,.94) 0%,rgba(14,31,61,.82) 46%,rgba(255,106,43,.28) 100%)}
.hero-content{max-width:780px;padding:80px 0;position:relative;z-index:1}
.breadcrumb{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:.85rem;color:rgba(255,255,255,.72);margin-bottom:20px}
.breadcrumb a{color:rgba(255,255,255,.72)}
.breadcrumb a:hover{color:#fff}
.breadcrumb i{font-size:.65rem;opacity:.7}
.hero-kicker{display:inline-flex;align-items:center;gap:8px;font-size:.82rem;font-weight:700;letter-spacing:.14em;color:var(--gold);background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);padding:7px 16px;border-radius:999px}
.hero-kicker i{color:var(--accent)}
.page-hero h1{font-size:clamp(2.6rem,6vw,4rem);color:#fff;margin:18px 0 14px;line-height:1.15}
.hero-lead{max-width:600px;font-size:1.13rem;color:rgba(255,255,255,.86);margin-bottom:38px}
.hero-stats{display:flex;gap:14px;flex-wrap:wrap}
.stat{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-radius:var(--radius-md);padding:16px 28px;min-width:118px;text-align:center}
.stat strong{display:block;font-size:1.8rem;font-weight:800;color:#fff;line-height:1.2}
.stat span{font-size:.84rem;color:rgba(255,255,255,.72)}
@media(max-width:640px){
  .page-hero{min-height:400px}
  .hero-content{padding:60px 0}
  .stat{padding:12px 18px;min-width:92px}
  .stat strong{font-size:1.3rem}
}
.topic-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);height:100%;display:flex;flex-direction:column;transition:transform var(--transition),box-shadow var(--transition)}
.topic-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.topic-thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.topic-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.topic-card:hover .topic-thumb img{transform:scale(1.07)}
.topic-badge{position:absolute;top:14px;left:14px;background:rgba(255,255,255,.94);color:var(--primary);font-size:.74rem;font-weight:800;padding:5px 13px;border-radius:999px;box-shadow:var(--shadow-sm)}
.topic-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1}
.topic-body h3{font-size:1.2rem}
.topic-body p{font-size:.92rem;color:var(--muted);flex:1}
.text-link{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:.88rem;color:var(--accent)}
.text-link i{transition:transform var(--transition)}
.text-link:hover i{transform:translateX(5px)}
.filter-bar{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:36px}
.filter-btn{padding:9px 22px;border-radius:999px;border:1px solid var(--border);background:var(--surface);color:var(--muted);font-weight:600;font-size:.9rem;transition:all var(--transition)}
.filter-btn:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.filter-btn.active{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(18,41,79,.2)}
.event-card{display:grid;grid-template-columns:280px 1fr;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);margin-bottom:22px;transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition)}
.event-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#d5cec1}
.event-cover{position:relative;min-height:240px;overflow:hidden}
.event-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.event-status{position:absolute;top:14px;left:14px;background:rgba(255,255,255,.94);color:var(--accent-deep);font-size:.75rem;font-weight:800;padding:5px 13px;border-radius:999px;box-shadow:var(--shadow-sm)}
.event-info{display:flex;flex-direction:column;justify-content:center;gap:8px;padding:28px 30px}
.event-date{display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-weight:800;font-size:.9rem}
.event-info h3{font-size:1.35rem}
.event-meta{display:flex;flex-wrap:wrap;gap:16px;color:var(--muted);font-size:.88rem}
.event-meta span{display:inline-flex;align-items:center;gap:6px}
.event-meta i{color:var(--primary);width:14px}
.event-info>p{color:var(--muted);font-size:.94rem}
.event-foot{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;margin-top:10px}
.event-tags{display:flex;gap:8px;flex-wrap:wrap}
.event-tags span{background:var(--surface-2);color:var(--primary);font-size:.78rem;font-weight:700;padding:5px 13px;border-radius:999px}
@media(max-width:860px){
  .event-card{grid-template-columns:1fr}
  .event-cover{min-height:210px}
  .event-info{padding:22px}
}
.process-step{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px 22px;box-shadow:var(--shadow-sm);height:100%;transition:transform var(--transition),box-shadow var(--transition)}
.process-step:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.step-num{width:46px;height:46px;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),#274b8a);color:#fff;border-radius:14px;font-weight:800;font-size:1.05rem;margin-bottom:16px;box-shadow:0 6px 14px rgba(18,41,79,.18)}
.process-step h3{font-size:1.08rem;margin-bottom:8px}
.process-step p{font-size:.87rem;color:var(--muted)}
.article-list{max-width:880px;margin:0 auto}
.article-item{display:grid;grid-template-columns:100px 90px 1fr 36px;align-items:center;gap:20px;padding:22px 26px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:14px;transition:all var(--transition)}
.article-item:hover{border-color:var(--primary);box-shadow:var(--shadow-md);transform:translateX(6px)}
.article-date{font-size:.84rem;color:var(--muted);font-weight:600}
.article-cat{justify-self:start;background:var(--accent-soft);color:var(--accent-deep);font-size:.76rem;font-weight:800;padding:5px 13px;border-radius:999px}
.article-text h3{font-size:1.08rem;margin-bottom:4px}
.article-text p{font-size:.89rem;color:var(--muted);margin-bottom:0}
.article-item>i{color:var(--primary);justify-self:end;transition:transform var(--transition)}
.article-item:hover>i{transform:translateX(5px)}
@media(max-width:768px){
  .article-item{grid-template-columns:1fr;gap:10px;padding:20px}
  .article-cat{justify-self:start}
  .article-item>i{display:none}
}
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:14px;overflow:hidden;transition:box-shadow var(--transition),border-color var(--transition)}
.faq-item.open{border-color:#d5cec1;box-shadow:var(--shadow-md)}
.faq-question{display:flex;justify-content:space-between;align-items:center;gap:18px;width:100%;padding:20px 24px;font-size:1rem;font-weight:700;color:var(--primary);text-align:left;transition:color var(--transition)}
.faq-question:hover{color:var(--accent)}
.faq-question i{flex-shrink:0;width:28px;height:28px;display:grid;place-items:center;border-radius:50%;background:var(--surface-2);color:var(--accent);font-size:.8rem;transition:transform var(--transition),background var(--transition)}
.faq-item.open .faq-question i{transform:rotate(180deg);background:var(--accent-soft)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .38s ease}
.faq-item.open .faq-answer{max-height:500px}
.faq-answer p{padding:0 24px 22px;color:var(--muted);font-size:.94rem}
.cta-box{position:relative;display:grid;grid-template-columns:minmax(300px,1fr) minmax(320px,1.1fr);gap:48px;align-items:center;padding:58px;border-radius:28px;background:linear-gradient(135deg,#0a1830 0%,#17345f 55%,#1d4478 100%);box-shadow:var(--shadow-lg);overflow:hidden}
.cta-box::before{content:"";position:absolute;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(255,106,43,.42),transparent 70%);top:-110px;right:-70px}
.cta-box::after{content:"";position:absolute;width:180px;height:180px;border-radius:50%;border:32px solid rgba(255,255,255,.05);bottom:-80px;left:-40px}
.cta-content{position:relative;z-index:1}
.cta-content .section-kicker{color:var(--gold);background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.14)}
.cta-content h2{color:#fff;font-size:clamp(1.6rem,3vw,2.1rem);margin-bottom:10px}
.cta-content p{color:rgba(255,255,255,.75);margin-bottom:0}
.cta-form{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px;max-width:480px}
.cta-form input[type="email"]{flex:1 1 240px;height:52px;border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.09);border-radius:999px;padding:0 22px;color:#fff;font-size:.94rem;transition:border-color var(--transition),background var(--transition),box-shadow var(--transition)}
.cta-form input[type="email"]::placeholder{color:rgba(255,255,255,.55)}
.cta-form input[type="email"]:focus{outline:none;border-color:var(--accent);background:rgba(255,255,255,.14);box-shadow:0 0 0 4px rgba(255,106,43,.16)}
.cta-form .btn{height:52px;padding:0 26px}
.subscribe-success{position:relative;z-index:1;display:inline-flex;align-items:center;gap:10px;max-width:480px;background:rgba(46,204,113,.14);border:1px solid rgba(46,204,113,.4);color:#d9f7e6;border-radius:999px;padding:14px 22px;font-weight:600;font-size:.94rem}
.subscribe-error{position:relative;z-index:1;width:100%;color:#ffd3c5;font-size:.88rem;margin-bottom:-4px}
@media(max-width:900px){
  .cta-box{grid-template-columns:1fr;padding:40px 28px;gap:30px}
}
.site-footer{background:#0b1728;color:rgba(255,255,255,.7)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;padding:60px 0 44px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand{font-size:1.25rem;font-weight:800;color:#fff;display:flex;align-items:center;gap:10px}
.footer-brand i{color:var(--accent)}
.footer-brand span{font-size:.72rem;letter-spacing:.28em;color:rgba(255,255,255,.4);margin-left:4px;font-weight:500}
.footer-desc{margin-top:14px;max-width:360px;font-size:.92rem;color:rgba(255,255,255,.55)}
.footer-title{color:#fff;font-weight:700;margin-bottom:18px;font-size:1rem}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{color:rgba(255,255,255,.62);font-size:.92rem;transition:all var(--transition)}
.footer-links a:hover{color:#fff;padding-left:6px}
.footer-links i{width:20px;color:var(--accent);margin-right:8px}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:.9rem;color:rgba(255,255,255,.58)}
.footer-contact i{width:20px;color:var(--accent);margin-right:8px}
.footer-bottom{text-align:center;padding:22px 0;font-size:.84rem;color:rgba(255,255,255,.42)}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:#fff}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.footer-grid{grid-template-columns:1fr;gap:32px;padding:48px 0 36px}}

/* roulang page: category2 */
:root {
            --primary: #1d3557;
            --primary-light: #457b9d;
            --primary-dark: #14243a;
            --accent: #e85d3f;
            --accent-hover: #d64b2e;
            --gold: #f4a261;
            --bg: #f7f8fc;
            --bg-alt: #eef2f7;
            --bg-dark: #14243a;
            --text: #17212e;
            --text-alt: #5e6e7e;
            --text-light: #8899a8;
            --border: #e2e8f0;
            --radius: 14px;
            --radius-lg: 24px;
            --radius-sm: 8px;
            --shadow: 0 8px 28px rgba(23, 33, 46, 0.07);
            --shadow-hover: 0 14px 40px rgba(23, 33, 46, 0.13);
            --space-section: 90px;
            --transition: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            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: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }

        a:hover {
            color: var(--accent);
        }

        ul,
        ol {
            list-style: none;
        }

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

        .section {
            padding: var(--space-section) 0;
        }

        .section-alt {
            background: var(--bg-alt);
        }

        .section-dark {
            background: var(--bg-dark);
            color: #e8eef4;
        }

        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 52px;
        }

        .section-head .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(232, 93, 63, 0.1);
            color: var(--accent);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1px;
            padding: 6px 18px;
            border-radius: 40px;
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text);
            letter-spacing: -0.5px;
        }

        .section-head p {
            color: var(--text-alt);
            font-size: 16px;
            margin-top: 12px;
        }

        .section-dark .section-head h2 {
            color: #fff;
        }

        .section-dark .section-head p {
            color: #aebdd0;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
            box-shadow: 0 2px 18px rgba(23, 33, 46, 0.05);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
            gap: 20px;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 900;
            color: var(--primary);
            letter-spacing: -0.4px;
            white-space: nowrap;
        }

        .site-logo i {
            font-size: 26px;
            color: var(--accent);
        }

        .site-logo span {
            color: var(--text-alt);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 2px;
            margin-left: 2px;
            text-transform: uppercase;
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            border-radius: 40px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-alt);
            transition: var(--transition);
        }

        .nav-link i {
            font-size: 14px;
            opacity: 0.75;
        }

        .nav-link:hover {
            color: var(--primary);
            background: var(--bg-alt);
        }

        .nav-link.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 14px rgba(29, 53, 87, 0.24);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .header-search {
            position: relative;
            display: flex;
            align-items: center;
        }

        .header-search input {
            width: 170px;
            height: 38px;
            border: 1px solid var(--border);
            border-radius: 40px;
            padding: 0 38px 0 16px;
            font-size: 14px;
            background: var(--bg-alt);
            color: var(--text);
            transition: var(--transition);
        }

        .header-search input:focus {
            outline: none;
            border-color: var(--primary-light);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(69, 123, 157, 0.14);
            width: 210px;
        }

        .header-search i {
            position: absolute;
            right: 14px;
            font-size: 14px;
            color: var(--text-alt);
            pointer-events: none;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 26px;
            border-radius: 40px;
            font-size: 15px;
            font-weight: 700;
            border: 2px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            line-height: 1.4;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(29, 53, 87, 0.28);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 26px rgba(232, 93, 63, 0.3);
        }

        .btn-ghost {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }

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

        .btn-light {
            background: #fff;
            color: var(--primary);
        }

        .btn-light:hover {
            background: var(--bg-alt);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 255, 255, 0.2);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }

        /* ===== Hero ===== */
        .cat-hero {
            position: relative;
            padding: 120px 0 100px;
            background-size: cover;
            background-position: center;
            min-height: 480px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .cat-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(20, 36, 58, 0.92) 15%, rgba(29, 53, 87, 0.75) 50%, rgba(29, 53, 87, 0.3) 90%);
        }

        .cat-hero .container {
            position: relative;
            z-index: 2;
        }

        .cat-hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(232, 93, 63, 0.2);
            color: #ffb4a1;
            padding: 7px 20px;
            border-radius: 40px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1px;
            border: 1px solid rgba(232, 93, 63, 0.3);
            margin-bottom: 22px;
        }

        .cat-hero h1 {
            font-size: clamp(32px, 4.5vw, 50px);
            font-weight: 900;
            color: #fff;
            line-height: 1.25;
            letter-spacing: -1px;
            max-width: 700px;
            margin-bottom: 20px;
        }

        .cat-hero p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.82);
            max-width: 620px;
            margin-bottom: 34px;
            line-height: 1.8;
        }

        .cat-hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .cat-hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            margin-top: 44px;
            padding-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.16);
            max-width: 600px;
        }

        .cat-hero-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 14px;
        }

        .cat-hero-meta .meta-item i {
            color: var(--gold);
            font-size: 16px;
        }

        /* ===== Stats ===== */
        .stats-section {
            position: relative;
            z-index: 3;
            margin-top: -40px;
        }

        .stats-card {
            background: #fff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 36px 30px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            border: 1px solid var(--border);
        }

        .stat-item {
            text-align: center;
            padding: 12px 8px;
        }

        .stat-item .stat-num {
            font-size: 40px;
            font-weight: 900;
            color: var(--primary);
            line-height: 1.2;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 4px;
        }

        .stat-item .stat-num em {
            font-style: normal;
            color: var(--accent);
            font-size: 22px;
            font-weight: 800;
        }

        .stat-item .stat-label {
            font-size: 14px;
            color: var(--text-alt);
            margin-top: 8px;
            font-weight: 500;
        }

        .stat-item + .stat-item {
            border-left: 1px solid var(--border);
        }

        /* ===== Intro ===== */
        .intro-section {
            padding: var(--space-section) 0 40px;
        }

        .intro-grid {
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 64px;
            align-items: center;
        }

        .intro-content .tagline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 16px;
        }

        .intro-content h2 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.35;
            margin-bottom: 18px;
            letter-spacing: -0.5px;
        }

        .intro-content p {
            color: var(--text-alt);
            font-size: 16px;
            line-height: 1.9;
            margin-bottom: 14px;
        }

        .intro-points {
            display: grid;
            gap: 12px;
            margin-top: 24px;
        }

        .intro-points li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 15px;
            color: var(--text);
        }

        .intro-points li i {
            color: var(--accent);
            margin-top: 4px;
            font-size: 14px;
        }

        .intro-image {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
        }

        .intro-image img {
            width: 100%;
            height: 440px;
            object-fit: cover;
        }

        .intro-image .image-badge {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            padding: 12px 20px;
            border-radius: 12px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .image-badge i {
            color: var(--accent);
            font-size: 18px;
        }

        /* ===== Process ===== */
        .process-section {
            padding: var(--space-section) 0;
            background: var(--bg-alt);
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 24px;
            margin-top: 20px;
        }

        .process-step {
            background: #fff;
            border-radius: var(--radius);
            padding: 30px 22px;
            text-align: center;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
        }

        .process-step:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .process-step .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background: var(--primary);
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            border-radius: 14px;
            margin-bottom: 18px;
        }

        .process-step:nth-child(2) .step-num {
            background: var(--primary-light);
        }

        .process-step:nth-child(3) .step-num {
            background: var(--accent);
        }

        .process-step:nth-child(4) .step-num {
            background: var(--gold);
            color: var(--primary-dark);
        }

        .process-step:nth-child(5) .step-num {
            background: #2a9d8f;
        }

        .process-step h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .process-step p {
            font-size: 13px;
            color: var(--text-alt);
            line-height: 1.6;
        }

        .process-step .step-icon {
            position: absolute;
            top: 22px;
            right: 18px;
            color: var(--border);
            font-size: 24px;
            opacity: 0.6;
        }

        /* ===== Review Cards ===== */
        .review-section {
            padding: var(--space-section) 0;
        }

        .review-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 26px;
        }

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

        .review-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }

        .review-card .card-img {
            position: relative;
            height: 190px;
            overflow: hidden;
        }

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

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

        .review-card .card-label {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 20px;
            letter-spacing: 0.5px;
        }

        .review-card .card-score {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary);
            font-size: 14px;
            font-weight: 800;
            padding: 4px 12px;
            border-radius: 12px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }

        .review-card .card-body {
            padding: 20px 18px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .review-card .card-cats {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 10px;
        }

        .review-card .card-cats span {
            font-size: 12px;
            color: var(--primary-light);
            background: rgba(69, 123, 157, 0.1);
            padding: 3px 12px;
            border-radius: 20px;
            font-weight: 600;
        }

        .review-card h3 {
            font-size: 16px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 8px;
            color: var(--text);
        }

        .review-card h3 a {
            color: var(--text);
        }

        .review-card h3 a:hover {
            color: var(--accent);
        }

        .review-card .card-desc {
            font-size: 13px;
            color: var(--text-alt);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
        }

        .review-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: auto;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }

        .review-card .card-footer .date {
            font-size: 13px;
            color: var(--text-light);
        }

        .review-card .card-footer .link {
            font-size: 14px;
            font-weight: 700;
            color: var(--accent);
        }

        .review-card .card-footer .link i {
            font-size: 12px;
            transition: transform 0.2s;
        }

        .review-card .card-footer .link:hover i {
            transform: translateX(3px);
        }

        /* ===== Category Tiles ===== */
        .category-section {
            padding: var(--space-section) 0;
            background: var(--bg-dark);
        }

        .category-section .section-head h2 {
            color: #fff;
        }

        .category-section .section-head p {
            color: #aebdd0;
        }

        .category-tiles {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .category-tile {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 34px 28px;
            transition: var(--transition);
            display: flex;
            align-items: flex-start;
            gap: 18px;
        }

        .category-tile:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(232, 93, 63, 0.4);
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
        }

        .category-tile .tile-icon {
            width: 54px;
            height: 54px;
            min-width: 54px;
            border-radius: 16px;
            background: var(--accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
        }

        .category-tile:nth-child(2) .tile-icon {
            background: var(--primary-light);
        }

        .category-tile:nth-child(3) .tile-icon {
            background: #2a9d8f;
        }

        .category-tile:nth-child(4) .tile-icon {
            background: var(--gold);
            color: var(--primary-dark);
        }

        .category-tile:nth-child(5) .tile-icon {
            background: #9b5de5;
        }

        .category-tile:nth-child(6) .tile-icon {
            background: #f4a261;
        }

        .category-tile h3 {
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .category-tile p {
            color: #aebdd0;
            font-size: 13px;
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .category-tile .tile-link {
            color: var(--gold);
            font-size: 14px;
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .category-tile .tile-link i {
            font-size: 12px;
            transition: transform 0.2s;
        }

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

        /* ===== Ranking ===== */
        .ranking-section {
            padding: var(--space-section) 0;
        }

        .ranking-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .ranking-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .ranking-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .ranking-card .rank-head {
            padding: 24px 26px 18px;
            border-bottom: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .ranking-card .rank-head h3 {
            font-size: 17px;
            font-weight: 800;
        }

        .ranking-card .rank-head .rank-badge {
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 20px;
        }

        .rank-badge.hot {
            background: rgba(232, 93, 63, 0.12);
            color: var(--accent);
        }

        .rank-badge.new {
            background: rgba(42, 157, 143, 0.12);
            color: #2a9d8f;
        }

        .rank-badge.trend {
            background: rgba(244, 162, 97, 0.15);
            color: #c97b31;
        }

        .ranking-card .rank-list {
            padding: 10px 26px 20px;
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px dashed var(--border);
        }

        .rank-item:last-child {
            border-bottom: none;
        }

        .rank-item .rank-num {
            width: 30px;
            height: 30px;
            min-width: 30px;
            border-radius: 8px;
            background: var(--bg-alt);
            color: var(--text-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 800;
        }

        .rank-item:nth-child(1) .rank-num {
            background: var(--accent);
            color: #fff;
        }

        .rank-item:nth-child(2) .rank-num {
            background: var(--gold);
            color: #fff;
        }

        .rank-item:nth-child(3) .rank-num {
            background: var(--primary-light);
            color: #fff;
        }

        .rank-item .rank-info {
            flex: 1;
        }

        .rank-item .rank-info h4 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .rank-item .rank-info .rank-tags {
            display: flex;
            gap: 6px;
            font-size: 12px;
            color: var(--text-light);
        }

        .rank-item .rank-score {
            font-size: 16px;
            font-weight: 900;
            color: var(--primary);
        }

        .rank-item .rank-score small {
            font-size: 11px;
            color: var(--text-light);
            font-weight: 500;
        }

        /* ===== Quote ===== */
        .quote-section {
            padding: 70px 0;
        }

        .quote-block {
            background: var(--bg-dark);
            border-radius: var(--radius-lg);
            padding: 60px 50px;
            position: relative;
            overflow: hidden;
            text-align: center;
        }

        .quote-block::before {
            content: "\f10d";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            top: 24px;
            left: 30px;
            font-size: 50px;
            color: rgba(255, 255, 255, 0.08);
        }

        .quote-block .quote-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin: 0 auto 22px;
            box-shadow: 0 6px 22px rgba(232, 93, 63, 0.3);
        }

        .quote-block blockquote {
            color: #e8eef4;
            font-size: 20px;
            line-height: 1.8;
            max-width: 760px;
            margin: 0 auto 18px;
            border: none;
            font-weight: 500;
        }

        .quote-block .quote-author {
            color: var(--gold);
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: var(--space-section) 0;
            background: var(--bg-alt);
        }

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

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 16px;
            transition: var(--transition);
        }

        .faq-item:hover {
            border-color: var(--primary-light);
        }

        .faq-item summary {
            padding: 20px 26px;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            list-style: none;
            color: var(--text);
        }

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

        .faq-item summary .faq-icon {
            font-size: 14px;
            min-width: 20px;
            color: var(--accent);
            transition: transform 0.3s ease;
        }

        .faq-item[open] summary .faq-icon {
            transform: rotate(45deg);
        }

        .faq-item .faq-answer {
            padding: 0 26px 22px;
            color: var(--text-alt);
            font-size: 15px;
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: var(--space-section) 0;
            position: relative;
            background-size: cover;
            background-position: center;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(20, 36, 58, 0.93), rgba(29, 53, 87, 0.82));
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-content h2 {
            color: #fff;
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .cta-content p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 16px;
            margin-bottom: 30px;
            line-height: 1.8;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 14px;
        }

        .cta-note {
            color: rgba(255, 255, 255, 0.6);
            font-size: 13px;
            margin-top: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: #aebdd0;
            padding: 70px 0 0;
            font-size: 15px;
        }

        .site-footer .container {
            max-width: 1200px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 1fr;
            gap: 50px;
            padding-bottom: 50px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 900;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-brand i {
            font-size: 24px;
            color: var(--accent);
        }

        .footer-brand span {
            font-size: 11px;
            letter-spacing: 2px;
            color: var(--text-light);
            font-weight: 600;
        }

        .footer-desc {
            color: #8ea0b6;
            font-size: 14px;
            line-height: 1.8;
            max-width: 340px;
            margin-bottom: 0;
        }

        .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
            padding-bottom: 10px;
            position: relative;
        }

        .footer-title::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 26px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: #8ea0b6;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }

        .footer-links a i {
            width: 18px;
            color: var(--accent);
            font-size: 13px;
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-contact span {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #8ea0b6;
            font-size: 14px;
        }

        .footer-contact span i {
            color: var(--accent);
            font-size: 14px;
            width: 18px;
        }

        .footer-bottom {
            padding: 22px 0;
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 0;
        }

        .footer-bottom p {
            color: #6c7f94;
            font-size: 13px;
            margin: 0;
        }

        .footer-bottom a {
            color: #8ea0b6;
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        /* ===== Back to top ===== */
        .back-to-top {
            position: fixed;
            right: 26px;
            bottom: 28px;
            width: 46px;
            height: 46px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: 0 6px 20px rgba(29, 53, 87, 0.28);
            transition: var(--transition);
            z-index: 99;
            opacity: 0;
            visibility: hidden;
            border: none;
            cursor: pointer;
        }

        .back-to-top.show {
            opacity: 1;
            visibility: visible;
        }

        .back-to-top:hover {
            background: var(--accent);
            transform: translateY(-3px);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .review-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .process-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .category-tiles {
                grid-template-columns: repeat(2, 1fr);
            }

            .ranking-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .stats-card {
                grid-template-columns: repeat(2, 1fr);
            }

            .stat-item:nth-child(3) {
                border-left: none;
            }

            .header-search input {
                width: 130px;
            }

            .header-search input:focus {
                width: 160px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --space-section: 60px;
            }

            .header-inner {
                height: 62px;
                flex-wrap: wrap;
                gap: 10px;
                padding: 8px 0;
            }

            .site-logo {
                font-size: 19px;
            }

            .site-logo i {
                font-size: 22px;
            }

            .header-actions {
                gap: 8px;
            }

            .header-search {
                display: none;
            }

            .site-nav {
                order: 3;
                width: 100%;
                justify-content: center;
                gap: 4px;
                padding-bottom: 6px;
                overflow-x: auto;
                flex-wrap: nowrap;
            }

            .nav-link {
                padding: 6px 14px;
                font-size: 14px;
                white-space: nowrap;
            }

            .nav-link i {
                display: none;
            }

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

            .cat-hero {
                padding: 90px 0 80px;
                min-height: 400px;
            }

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

            .cat-hero p {
                font-size: 15px;
            }

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

            .intro-image img {
                height: 320px;
            }

            .review-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .category-tiles {
                grid-template-columns: 1fr;
            }

            .ranking-grid {
                grid-template-columns: 1fr;
            }

            .stats-card {
                grid-template-columns: 1fr;
                padding: 24px 18px;
            }

            .stat-item + .stat-item {
                border-left: none;
                border-top: 1px solid var(--border);
                padding-top: 20px;
            }

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

            .quote-block {
                padding: 40px 26px;
            }

            .quote-block blockquote {
                font-size: 17px;
            }

            .section-head h2 {
                font-size: 26px;
            }

            .intro-content h2 {
                font-size: 26px;
            }

            .cta-content h2 {
                font-size: 26px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }

            .review-grid {
                grid-template-columns: 1fr;
            }

            .process-grid {
                grid-template-columns: 1fr;
            }

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

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

            .cat-hero-actions {
                flex-direction: column;
                width: 100%;
            }

            .cat-hero-actions .btn {
                width: 100%;
            }

            .cat-hero-meta {
                flex-direction: column;
                gap: 14px;
            }

            .cta-actions {
                flex-direction: column;
                width: 100%;
            }

            .cta-actions .btn {
                width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            * {
                transition: none !important;
                scroll-behavior: auto !important;
            }
        }