/* roulang page: index */
:root{
--color-primary:#E8402F;--color-accent:#F5B62E;--bg-base:#0B0F14;--bg-card:#141B22;
--border-default:rgba(255,255,255,.08);--text-main:#F2F4F8;--text-muted:#8A94A6;
--radius-card:12px;--radius-btn:8px;--radius-tag:999px;
--shadow-card:0 2px 12px rgba(0,0,0,.4);--shadow-hover:0 8px 30px rgba(232,64,47,.12);
--font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);background-color:var(--bg-base);color:var(--text-main);line-height:1.7;-webkit-font-smoothing:antialiased;margin:0}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
button{cursor:pointer;border:none;background:none;font-family:inherit}
input,textarea{font-family:inherit}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-sm{padding:48px 0}
.section-title{font-size:32px;font-weight:700;letter-spacing:-.02em;line-height:1.2;color:#fff}
.section-sub{font-size:16px;color:var(--text-muted);margin-top:8px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 28px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;transition:all .2s ease-out;line-height:1.4;white-space:nowrap}
.btn-primary{background:var(--color-primary);color:#fff}
.btn-primary:hover{filter:brightness(1.05)}
.btn-primary:active{transform:translateY(1px)}
.btn-secondary{background:transparent;border:1px solid rgba(255,255,255,.3);color:var(--text-main)}
.btn-secondary:hover{border-color:var(--color-accent);color:var(--color-accent)}
.btn-secondary:active{transform:translateY(1px)}
.badge{display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--radius-tag);font-size:12px;font-weight:600;line-height:1.4}
.badge-primary{background:rgba(232,64,47,.15);color:var(--color-primary)}
.badge-accent{background:rgba(245,182,46,.15);color:var(--color-accent)}
.badge-muted{background:rgba(255,255,255,.06);color:var(--text-muted)}
/* ===== Header ===== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(11,15,20,.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;letter-spacing:-.01em;color:#fff;line-height:1}
.logo-icon{width:30px;height:30px;flex-shrink:0}
.logo-text .logo-sub{display:block;font-size:10px;font-weight:500;color:var(--text-muted);letter-spacing:.15em;text-transform:uppercase;line-height:1.2;margin-top:2px}
.nav{display:flex;align-items:center;gap:4px;margin-left:32px}
.nav-link{position:relative;display:inline-flex;align-items:center;padding:8px 18px;font-size:14px;font-weight:500;color:rgba(255,255,255,.7);border-radius:8px;transition:color .2s ease-out;line-height:1.4}
.nav-link:hover{color:#fff}
.nav-link.active{color:#fff;font-weight:600}
.nav-link.active::after{content:'';position:absolute;left:18px;right:18px;bottom:0;height:2px;background:var(--color-primary);border-radius:2px}
.nav-cta{margin-left:12px}
.header-right{display:flex;align-items:center;gap:8px}
/* Mega Menu */
.mega-trigger{position:static}
.mega-panel{position:absolute;left:0;right:0;top:100%;background:#0d1219;border:1px solid rgba(255,255,255,.08);border-radius:16px;box-shadow:0 20px 60px rgba(0,0,0,.55);opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .15s ease-out,transform .15s ease-out,visibility .15s;padding:28px;z-index:1001}
.mega-trigger:hover .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.mega-col h4{font-size:13px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:14px}
.mega-item{display:flex;align-items:center;gap:12px;padding:10px;border-radius:10px;transition:background .15s ease-out}
.mega-item:hover{background:rgba(255,255,255,.04)}
.mega-thumb{width:64px;height:40px;border-radius:6px;object-fit:cover;background:#1a222b;flex-shrink:0}
.mega-item-title{font-size:14px;font-weight:600;color:#e6e8ec;line-height:1.3}
.mega-item-tag{font-size:12px;color:var(--text-muted);display:block;margin-top:2px}
/* Mobile */
.mobile-menu-btn{display:none;width:40px;height:40px;border-radius:8px;align-items:center;justify-content:center;color:#fff;font-size:20px;border:1px solid rgba(255,255,255,.1)}
.mobile-menu{display:none;position:fixed;top:68px;left:0;right:0;background:rgba(11,15,20,.98);backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.08);padding:12px 24px 20px;z-index:999}
.mobile-menu.open{display:block}
.mobile-menu .nav-link{display:block;padding:12px 16px;font-size:16px;color:rgba(255,255,255,.75)}
.mobile-menu .nav-link.active{color:#fff;background:rgba(232,64,47,.1)}
.mobile-menu .nav-link.active::after{display:none}
/* ===== Hero ===== */
.hero{position:relative;min-height:640px;display:flex;align-items:center;background:#0a0e13;overflow:hidden;padding:120px 0 80px}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat}
.hero-bg::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 70% 60%,rgba(232,64,47,.2),transparent 60%),linear-gradient(90deg,rgba(11,15,20,.95) 0%,rgba(11,15,20,.7) 50%,rgba(11,15,20,.3) 100%)}
.hero-bg::after{content:'';position:absolute;inset:auto 0 0 0;height:120px;background:linear-gradient(to top,var(--bg-base),transparent)}
.hero-content{position:relative;z-index:2;max-width:680px;padding:20px 0}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border:1px solid rgba(245,182,46,.3);border-radius:var(--radius-tag);color:var(--color-accent);font-size:13px;font-weight:600;margin-bottom:20px;background:rgba(245,182,46,.08)}
.hero-title{font-size:44px;font-weight:800;line-height:1.15;color:#fff;letter-spacing:-.02em;margin-bottom:16px}
.hero-title .grad{background:linear-gradient(120deg,var(--color-primary),var(--color-accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-desc{font-size:16px;color:rgba(255,255,255,.8);max-width:560px;margin-bottom:32px;line-height:1.7}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:flex;gap:32px;margin-top:44px;padding-top:32px;border-top:1px solid rgba(255,255,255,.08)}
.hero-stat .num{font-size:28px;font-weight:800;color:#fff;line-height:1}
.hero-stat .label{font-size:13px;color:var(--text-muted);margin-top:4px}
/* ===== 玩法 ===== */
.play-section{background:var(--bg-base)}
.play-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.play-visual{position:relative;border-radius:16px;overflow:hidden;box-shadow:var(--shadow-card)}
.play-visual img{width:100%;height:400px;object-fit:cover}
.play-visual::after{content:'';position:absolute;inset:0;background:linear-gradient(to top,rgba(11,15,20,.6),transparent)}
.play-list{display:flex;flex-direction:column;gap:28px}
.play-item{display:flex;gap:18px;align-items:flex-start}
.play-num{font-size:40px;font-weight:800;color:var(--color-accent);line-height:1;min-width:52px;letter-spacing:-.03em}
.play-item h4{font-size:18px;font-weight:700;color:#fff;margin-bottom:4px}
.play-item p{font-size:14px;color:var(--text-muted);line-height:1.6;margin:0}
/* ===== 奖励 ===== */
.reward-section{background:#0d1117;position:relative;overflow:hidden}
.reward-wrap{position:relative}
.reward-scroll{overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;padding:12px 4px 20px}
.reward-scroll::-webkit-scrollbar{display:none}
.reward-track{display:flex;gap:20px;min-width:max-content}
.reward-card{flex:0 0 260px;background:var(--bg-card);border:1px solid rgba(255,255,255,.05);border-radius:var(--radius-card);padding:28px 24px;transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out}
.reward-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:rgba(232,64,47,.3)}
.reward-icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:16px;background:rgba(232,64,47,.12);color:var(--color-primary)}
.reward-card:nth-child(2n) .reward-icon{background:rgba(245,182,46,.12);color:var(--color-accent)}
.reward-card h4{font-size:18px;font-weight:700;color:#fff;margin-bottom:6px}
.reward-card p{font-size:13px;color:var(--text-muted);line-height:1.5;margin-bottom:14px}
.reward-fade-l,.reward-fade-r{position:absolute;top:0;bottom:20px;width:48px;pointer-events:none;z-index:2}
.reward-fade-l{left:0;background:linear-gradient(to right,#0d1117,transparent)}
.reward-fade-r{right:0;background:linear-gradient(to left,#0d1117,transparent)}
/* ===== 进度 ===== */
.progress-section{background:var(--bg-base)}
.progress-wrap{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;max-width:960px;margin:0 auto;position:relative}
.prog-item{display:flex;flex-direction:column;align-items:center;gap:12px;flex:1;text-align:center;position:relative;z-index:2}
.prog-dot{width:44px;height:44px;border-radius:50%;background:#2A3441;border:2px solid rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;font-size:16px;color:#fff;transition:all .2s ease-out}
.prog-item.completed .prog-dot{background:var(--color-primary);border-color:var(--color-primary)}
.prog-item.current .prog-dot{background:var(--color-primary);border-color:var(--color-primary);animation:pulse-glow 2s infinite}
.prog-item.upcoming .prog-dot{background:#2A3441;border-color:rgba(255,255,255,.08)}
.prog-label{font-size:14px;font-weight:600;color:var(--text-main)}
.prog-item.upcoming .prog-label{color:var(--text-muted)}
.prog-line{position:absolute;top:22px;left:15%;width:70%;height:2px;background:#2A3441;z-index:1}
.prog-line-fill{position:absolute;top:0;left:0;height:100%;background:var(--color-primary);transition:width .4s ease-out}
/* ===== CTA条 ===== */
.cta-strip{background:linear-gradient(90deg,rgba(232,64,47,.12),rgba(245,182,46,.08));border-top:1px solid rgba(255,255,255,.04);border-bottom:1px solid rgba(255,255,255,.04)}
.cta-strip-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:32px 0;flex-wrap:wrap}
.cta-strip h3{font-size:20px;font-weight:700;color:#fff;margin:0}
.cta-strip p{font-size:14px;color:var(--text-muted);margin:4px 0 0}
/* ===== 资讯 ===== */
.news-section{background:#0d1117}
.news-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:36px;flex-wrap:wrap;gap:12px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--bg-card);border:1px solid rgba(255,255,255,.05);border-radius:var(--radius-card);overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out}
.news-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:rgba(232,64,47,.25)}
.news-thumb{position:relative;width:100%;padding-top:56.25%;overflow:hidden}
.news-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1}
.news-meta{display:flex;align-items:center;gap:10px;margin-bottom:10px;flex-wrap:wrap}
.news-title{font-size:16px;font-weight:600;color:var(--text-main);line-height:1.4;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-excerpt{font-size:14px;color:var(--text-muted);line-height:1.6;margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.news-link{font-size:14px;font-weight:600;color:var(--color-primary);display:inline-flex;align-items:center;gap:6px}
.news-link i{font-size:12px;transition:transform .2s ease-out}
.news-link:hover i{transform:translateX(4px)}
.news-empty{grid-column:1/-1;text-align:center;padding:80px 24px;background:var(--bg-card);border:1px dashed rgba(255,255,255,.12);border-radius:16px}
.news-empty i{font-size:40px;color:var(--text-muted);margin-bottom:12px;display:block}
.news-empty p{color:var(--text-muted);font-size:15px}
/* ===== FAQ ===== */
.faq-section{background:var(--bg-base)}
.faq-wrap{max-width:800px;margin:0 auto}
.faq-item{background:var(--bg-card);border:1px solid rgba(255,255,255,.05);border-radius:var(--radius-card);margin-bottom:12px;overflow:hidden;transition:border-color .2s ease-out}
.faq-item.active{border-color:rgba(232,64,47,.3)}
.faq-question{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;font-size:16px;font-weight:600;color:var(--text-main);cursor:pointer;text-align:left;width:100%;background:none;transition:background .15s ease-out}
.faq-question:hover{background:rgba(255,255,255,.03)}
.faq-item.active .faq-question{color:var(--color-primary);box-shadow:inset 2px 0 0 var(--color-primary)}
.faq-icon{flex-shrink:0;width:20px;height:20px;display:flex;align-items:center;justify-content:center;font-size:14px;color:var(--text-muted);transition:transform .2s ease-out,color .2s ease-out}
.faq-item.active .faq-icon{transform:rotate(45deg);color:var(--color-primary)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .25s ease-out}
.faq-answer p{padding:0 24px 20px;margin:0;font-size:14px;color:var(--text-muted);line-height:1.7}
.faq-item.active .faq-answer{max-height:300px}
/* ===== Final CTA ===== */
.final-cta{position:relative;background:#0d1117;overflow:hidden;padding:80px 0}
.final-cta-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;opacity:.25}
.final-cta-bg::before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,15,20,.95),rgba(11,15,20,.6))}
.final-cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.final-cta h2{font-size:32px;font-weight:800;color:#fff;letter-spacing:-.02em;line-height:1.2;margin:0}
.final-cta p{font-size:15px;color:var(--text-muted);max-width:480px;margin:8px 0 0}
/* ===== Footer ===== */
.site-footer{background:#0a0e12;border-top:1px solid rgba(255,255,255,.06);padding-top:56px}
.footer-main{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:48px;padding-bottom:40px}
.footer-logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-desc{font-size:14px;color:var(--text-muted);line-height:1.65;max-width:300px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;text-transform:uppercase;letter-spacing:.06em;margin-bottom:16px}
.footer-links{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--text-muted);transition:color .2s ease-out}
.footer-links a:hover{color:var(--color-accent)}
.footer-contact-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--text-muted)}
.footer-contact-list i{width:20px;color:var(--color-primary);margin-right:6px}
.footer-bottom{padding:20px 0;border-top:1px solid rgba(255,255,255,.04);text-align:center;font-size:12px;color:rgba(255,255,255,.35)}
/* ===== keyframes ===== */
@keyframes pulse-glow{0%,100%{box-shadow:0 0 0 0 rgba(232,64,47,.5)}50%{box-shadow:0 0 0 10px rgba(232,64,47,0)}}
/* ===== responsive ===== */
@media(max-width:1024px){
.section{padding:60px 0}
.hero{min-height:520px;padding:100px 0 60px}
.hero-title{font-size:34px}
.play-grid{grid-template-columns:1fr;gap:40px}
.play-visual img{height:280px}
.news-grid{grid-template-columns:repeat(2,1fr)}
.footer-main{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
.nav,.header-right .nav-cta,.mega-trigger{display:none}
.mobile-menu-btn{display:flex}
.hero{padding:90px 0 50px}
.hero-title{font-size:28px}
.hero-desc{font-size:15px}
.hero-stats{gap:20px;flex-wrap:wrap}
.hero-stat .num{font-size:22px}
.section{padding:48px 0}
.section-title{font-size:26px}
.news-grid{grid-template-columns:1fr}
.progress-wrap{flex-direction:column;align-items:center;gap:24px}
.prog-line{display:none}
.reward-card{flex-basis:200px}
.footer-main{grid-template-columns:1fr;gap:32px}
.final-cta h2{font-size:24px}
.cta-strip-inner{flex-direction:column;align-items:flex-start;padding:24px 0}
}
@media(max-width:520px){
.container{padding:0 18px}
.hero-title{font-size:24px}
.hero-actions .btn{width:100%;justify-content:center}
.play-num{font-size:30px;min-width:40px}
.reward-card{flex-basis:180px}
}

/* roulang page: category1 */
:root {
            --color-primary: #E8402F;
            --color-accent: #F5B62E;
            --bg-base: #0B0F14;
            --bg-card: #141B22;
            --bg-elevated: #1B242E;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(232, 64, 47, 0.3);
            --text-main: #F2F5F7;
            --text-secondary: rgba(255, 255, 255, 0.65);
            --text-muted: rgba(255, 255, 255, 0.38);
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-tag: 999px;
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 8px 30px rgba(232, 64, 47, 0.12);
            --transition: all 0.2s ease-out;
            --font-family: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-family);
            background: var(--bg-base);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        ul,
        ol {
            list-style: none;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        .section { padding: 72px 0; }
        .section-head {
            margin-bottom: 40px;
            max-width: 720px;
        }
        .section-head .caret {
            width: 32px;
            height: 3px;
            background: var(--color-primary);
            border-radius: 2px;
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 10px;
        }
        .section-head p {
            color: var(--text-secondary);
            font-size: 15px;
        }
        @media (max-width: 767px) {
            .section { padding: 48px 0; }
            .section-head h2 { font-size: 26px; }
        }

        /* ===== Header & Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 15, 20, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            height: 72px;
            gap: 28px;
        }
        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.01em;
            color: var(--text-main);
            white-space: nowrap;
            transition: var(--transition);
        }
        .logo:hover { color: var(--color-accent); }
        .nav { display: flex; align-items: center; gap: 4px; }
        .nav-link {
            position: relative;
            padding: 14px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 6px;
            transition: var(--transition);
        }
        .nav-link:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.04);
        }
        .nav-link.active {
            color: var(--text-main);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 6px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }
        .header-actions {
            margin-left: auto;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .mega-menu { position: relative; }
        .mega-trigger {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: var(--radius-btn);
            border: 1px solid var(--border-subtle);
            transition: var(--transition);
        }
        .mega-trigger:hover {
            color: var(--text-main);
            border-color: rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.04);
        }
        .mega-panel {
            position: absolute;
            top: calc(100% + 12px);
            right: 0;
            width: 720px;
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.09);
            border-radius: 16px;
            padding: 20px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: opacity 0.15s ease-out, transform 0.15s ease-out, visibility 0.15s;
            z-index: 50;
        }
        .mega-menu:hover .mega-panel,
        .mega-menu:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .mega-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 14px;
        }
        .mega-col-title {
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--text-muted);
            padding: 0 4px 8px;
            border-bottom: 1px solid var(--border-subtle);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .mega-col-title i { color: var(--color-accent); font-size: 11px; }
        .mega-item {
            display: flex;
            gap: 10px;
            padding: 8px;
            border-radius: 10px;
            transition: var(--transition);
            align-items: center;
        }
        .mega-item:hover {
            background: rgba(255, 255, 255, 0.05);
        }
        .mega-thumb {
            width: 56px;
            height: 38px;
            border-radius: 6px;
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-elevated);
        }
        .mega-item-info { min-width: 0; }
        .mega-item-title {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-main);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            line-height: 1.4;
        }
        .mega-item-tag {
            font-size: 11px;
            color: var(--color-accent);
            display: inline-block;
            margin-top: 2px;
            background: rgba(245, 182, 46, 0.12);
            padding: 2px 8px;
            border-radius: var(--radius-tag);
            line-height: 1.4;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: #f04a37;
            transform: translateY(0);
        }
        .btn-primary:active {
            transform: translateY(1px) scale(0.99);
        }
        .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.3);
            color: var(--text-main);
        }
        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .btn-accent {
            background: var(--color-accent);
            color: #131313;
        }
        .btn-accent:hover {
            background: #ffc84d;
        }
        .btn-accent:active {
            transform: translateY(1px) scale(0.99);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }
        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-btn);
            color: var(--text-main);
            font-size: 18px;
            transition: var(--transition);
        }
        .menu-toggle:hover {
            border-color: rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.05);
        }
        @media (max-width: 1023px) {
            .mega-panel { display: none; }
            .nav {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(11, 15, 20, 0.98);
                padding: 16px 24px 20px;
                display: none;
                flex-direction: column;
                align-items: flex-start;
                gap: 2px;
                border-bottom: 1px solid var(--border-subtle);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
                z-index: 99;
            }
            .nav.open { display: flex; }
            .nav-link { width: 100%; padding: 12px 16px; border-radius: 8px; }
            .nav-link.active::after { display: none; }
            .nav-link.active { background: rgba(232, 64, 47, 0.12); color: var(--text-main); }
            .header-actions .btn-primary { display: none; }
            .menu-toggle { display: inline-flex; }
            .header-inner { gap: 12px; }
        }

        /* ===== Category Banner ===== */
        .cat-banner {
            position: relative;
            padding: 90px 0 80px;
            background-size: cover;
            background-position: center;
            border-bottom: 1px solid var(--border-subtle);
            overflow: hidden;
        }
        .cat-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 25% 40%, rgba(232, 64, 47, 0.12), transparent 55%),
                linear-gradient(to right, rgba(11, 15, 20, 0.92) 0%, rgba(11, 15, 20, 0.72) 60%, rgba(11, 15, 20, 0.5) 100%),
                linear-gradient(to bottom, rgba(11, 15, 20, 0.2), rgba(11, 15, 20, 0.7));
            pointer-events: none;
        }
        .cat-banner-content {
            position: relative;
            z-index: 2;
            max-width: 760px;
        }
        .cat-banner-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.14em;
            text-transform: uppercase;
            color: var(--color-accent);
            background: rgba(245, 182, 46, 0.1);
            border: 1px solid rgba(245, 182, 46, 0.25);
            padding: 6px 16px;
            border-radius: var(--radius-tag);
            margin-bottom: 20px;
        }
        .cat-banner h1 {
            font-size: 44px;
            font-weight: 700;
            letter-spacing: -0.03em;
            line-height: 1.15;
            margin-bottom: 14px;
            color: var(--text-main);
        }
        .cat-banner .banner-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.7;
        }
        @media (max-width: 767px) {
            .cat-banner { padding: 56px 0 48px; }
            .cat-banner h1 { font-size: 32px; }
        }

        /* ===== Article List ===== */
        .cat-list-section { padding: 64px 0 72px; }
        .cat-list-inner {
            max-width: 1100px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .cat-list-item {
            display: flex;
            gap: 24px;
            padding: 20px;
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-card);
            transition: var(--transition);
            align-items: flex-start;
        }
        .cat-list-item:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            background: #161e26;
        }
        .cat-list-thumb {
            position: relative;
            flex-shrink: 0;
            width: 240px;
            height: 150px;
            border-radius: 10px;
            overflow: hidden;
            background: var(--bg-elevated);
            display: block;
        }
        .cat-list-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease-out;
        }
        .cat-list-item:hover .cat-list-thumb img {
            transform: scale(1.04);
        }
        .cat-list-tag {
            position: absolute;
            top: 10px;
            left: 10px;
            background: rgba(232, 64, 47, 0.92);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-tag);
            line-height: 1.4;
            backdrop-filter: blur(4px);
        }
        .cat-list-info {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
        }
        .cat-list-info h3 {
            font-size: 18px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 8px;
        }
        .cat-list-info h3 a {
            color: var(--text-main);
            transition: var(--transition);
        }
        .cat-list-info h3 a:hover {
            color: var(--color-accent);
        }
        .cat-list-info p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .cat-list-meta {
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .cat-list-date {
            font-size: 13px;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .read-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .read-more:hover {
            color: var(--color-accent);
            gap: 10px;
        }
        @media (max-width: 767px) {
            .cat-list-item {
                flex-direction: column;
                gap: 14px;
                padding: 16px;
            }
            .cat-list-thumb {
                width: 100%;
                height: 180px;
            }
            .cat-list-meta {
                flex-wrap: wrap;
            }
        }

        /* ===== Feature ===== */
        .feature-section {
            background: linear-gradient(180deg, var(--bg-base) 0%, rgba(20, 27, 34, 0.5) 100%);
            padding: 72px 0 76px;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            max-width: 1000px;
            margin: 0 auto;
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-card);
            padding: 28px 26px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 0;
            background: var(--color-primary);
            transition: height 0.25s ease-out;
            border-radius: 0 2px 2px 0;
        }
        .feature-card:hover {
            border-color: rgba(255, 255, 255, 0.12);
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .feature-card:hover::before {
            height: 100%;
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-accent);
            background: rgba(245, 182, 46, 0.1);
            border: 1px solid rgba(245, 182, 46, 0.18);
            margin-bottom: 16px;
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        @media (max-width: 767px) {
            .feature-grid { grid-template-columns: 1fr; }
        }

        /* ===== Process ===== */
        .process-section { padding: 72px 0; }
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            max-width: 1000px;
            margin: 0 auto;
            position: relative;
        }
        .process-steps::before {
            content: '';
            position: absolute;
            top: 40px;
            left: 8%;
            right: 8%;
            height: 2px;
            background: repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.14) 0 8px, transparent 8px 16px);
        }
        .process-step {
            text-align: center;
            padding: 0 12px;
            position: relative;
        }
        .process-num {
            width: 80px;
            height: 80px;
            margin: 0 auto 16px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            font-weight: 700;
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-secondary);
            position: relative;
            z-index: 2;
            transition: var(--transition);
        }
        .process-step:hover .process-num {
            border-color: rgba(232, 64, 47, 0.5);
            color: var(--color-accent);
            box-shadow: 0 0 0 6px rgba(232, 64, 47, 0.08);
        }
        .process-step h3 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-main);
        }
        .process-step p {
            font-size: 13px;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        @media (max-width: 767px) {
            .process-steps {
                grid-template-columns: 1fr 1fr;
                gap: 32px 12px;
            }
            .process-steps::before { display: none; }
        }
        @media (max-width: 479px) {
            .process-steps { grid-template-columns: 1fr; }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: rgba(20, 27, 34, 0.3);
            padding: 72px 0;
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item.active {
            border-color: rgba(232, 64, 47, 0.3);
            box-shadow: 0 4px 20px rgba(232, 64, 47, 0.06);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            text-align: left;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            transition: var(--transition);
            border-left: 2px solid transparent;
        }
        .faq-item.active .faq-question {
            border-left-color: var(--color-primary);
            color: var(--text-main);
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.03);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .faq-item.active .faq-icon {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
        }
        .faq-answer p {
            padding: 0 22px 20px 22px;
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
        }

        /* ===== Final CTA ===== */
        .final-cta {
            position: relative;
            padding: 88px 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }
        .final-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(232, 64, 47, 0.2), rgba(11, 15, 20, 0.9));
            pointer-events: none;
        }
        .final-cta-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }
        .final-cta h2 {
            font-size: 32px;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 10px;
        }
        .final-cta p {
            font-size: 16px;
            color: var(--text-secondary);
        }
        @media (max-width: 767px) {
            .final-cta { padding: 56px 0; }
            .final-cta h2 { font-size: 24px; }
            .final-cta-inner { flex-direction: column; text-align: center; }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #080c10;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 64px 0 0;
        }
        .footer-main {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 1fr;
            gap: 48px;
            padding-bottom: 44px;
        }
        .footer-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
        }
        .footer-logo:hover { color: var(--color-accent); }
        .footer-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 320px;
        }
        .site-footer h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 16px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--color-accent);
            padding-left: 4px;
        }
        .footer-contact-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
        }
        .footer-contact-list li {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-contact-list i {
            color: var(--color-primary);
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 20px 0;
            text-align: center;
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 0.02em;
        }
        @media (max-width: 767px) {
            .footer-main {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        /* ===== Utility ===== */
        .text-gradient {
            background: linear-gradient(120deg, var(--color-primary), var(--color-accent));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .fade-in {
            animation: fadeIn 0.4s ease-out;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(8px); }
            to { opacity: 1; transform: translateY(0); }
        }
        :focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

/* roulang page: article */
:root {
            --color-primary: #E8402F;
            --color-accent: #F5B62E;
            --bg-base: #0B0F14;
            --bg-card: #141B22;
            --bg-deep: #0A0D12;
            --border-main: rgba(255, 255, 255, 0.08);
            --text-main: #F2F5F7;
            --text-secondary: #9AA5B1;
            --text-weak: #5C6773;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-tag: 999px;
            --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 8px 30px rgba(232, 64, 47, 0.12);
            --transition: all 0.2s ease-out;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg-base);
            color: var(--text-main);
            font-size: 15px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== Header & Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 15, 20, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-main);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            position: relative;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            letter-spacing: -0.01em;
            color: #fff;
            flex-shrink: 0;
        }

        .logo svg {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
        }

        .logo:hover {
            color: var(--color-accent);
        }

        .nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-link {
            position: relative;
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 0;
            white-space: nowrap;
        }

        .nav-link:hover {
            color: #fff;
        }

        .nav-link.active {
            color: #fff;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }

        .mega-wrap {
            position: relative;
            flex-shrink: 0;
        }

        .mega-trigger {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 8px 16px;
            border: 1px solid var(--border-main);
            border-radius: var(--radius-btn);
            background: transparent;
            transition: var(--transition);
        }

        .mega-trigger:hover {
            color: #fff;
            border-color: rgba(245, 182, 46, 0.5);
        }

        .mega-panel {
            position: absolute;
            top: calc(100% + 12px);
            right: 0;
            width: 720px;
            max-width: calc(100vw - 40px);
            background: #0E1319;
            border: 1px solid var(--border-main);
            border-radius: 16px;
            padding: 24px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: opacity 150ms ease-out, transform 150ms ease-out, visibility 150ms ease-out;
            z-index: 200;
        }

        .mega-wrap:hover .mega-panel,
        .mega-wrap:focus-within .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .mega-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .mega-col h4 {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-weak);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 14px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding-bottom: 10px;
        }

        .mega-card {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 8px 0;
            border-radius: 10px;
            transition: var(--transition);
        }

        .mega-card:hover {
            background: rgba(255, 255, 255, 0.04);
        }

        .mega-card img {
            width: 64px;
            height: 40px;
            object-fit: cover;
            border-radius: 6px;
            flex-shrink: 0;
        }

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

        .mega-card-info .mega-card-title {
            font-size: 13px;
            color: var(--text-main);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .mega-card-info .mega-tag {
            display: inline-block;
            margin-top: 4px;
            font-size: 11px;
            color: var(--text-weak);
            background: rgba(255, 255, 255, 0.05);
            padding: 1px 8px;
            border-radius: var(--radius-tag);
        }

        .mega-tag.hot {
            color: #fff;
            background: rgba(232, 64, 47, 0.2);
        }

        .mega-link {
            display: block;
            padding: 8px 0;
            font-size: 14px;
            color: var(--text-secondary);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .mega-link:hover {
            color: var(--color-accent);
            padding-left: 4px;
        }

        .mobile-burger {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            color: var(--text-main);
            font-size: 18px;
            border: 1px solid var(--border-main);
        }

        .mobile-nav {
            display: none;
            position: absolute;
            top: 68px;
            left: 0;
            right: 0;
            background: #0E1319;
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-main);
            flex-direction: column;
            gap: 4px;
        }

        .mobile-nav.open {
            display: flex;
        }

        .mobile-nav-link {
            padding: 12px 8px;
            font-size: 15px;
            color: var(--text-main);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .mobile-nav-link:hover {
            color: var(--color-primary);
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 100px 0 56px;
            background: url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at top, rgba(11, 15, 20, 0.45) 0%, rgba(11, 15, 20, 0.85) 65%, #0B0F14 100%);
        }

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

        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .breadcrumb a {
            color: var(--text-secondary);
        }

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

        .breadcrumb-sep {
            color: var(--text-weak);
            font-size: 12px;
        }

        .breadcrumb-current {
            color: rgba(255, 255, 255, 0.85);
            max-width: 320px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .article-title {
            font-size: clamp(28px, 4vw, 40px);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.02em;
            color: #fff;
            margin-bottom: 20px;
            max-width: 820px;
        }

        .article-meta {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 13px;
            color: var(--text-secondary);
        }

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

        .article-meta i {
            font-size: 13px;
            color: var(--color-accent);
        }

        .article-meta .editor-pick {
            background: rgba(232, 64, 47, 0.15);
            color: var(--color-primary);
            padding: 2px 12px;
            border-radius: var(--radius-tag);
            font-size: 12px;
            font-weight: 500;
        }

        /* ===== Article Body ===== */
        .article-body {
            padding: 56px 0 72px;
        }

        .article-container {
            max-width: 800px;
        }

        .article-content {
            font-size: 16px;
            line-height: 1.9;
            color: #D7DEE6;
        }

        .article-content p {
            margin: 16px 0;
        }

        .article-content h2 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-main);
            margin: 44px 0 16px;
            letter-spacing: -0.01em;
            line-height: 1.4;
        }

        .article-content h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--text-main);
            margin: 32px 0 12px;
            line-height: 1.4;
        }

        .article-content h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin: 24px 0 10px;
        }

        .article-content blockquote {
            border-left: 3px solid var(--color-primary);
            padding: 16px 20px;
            background: rgba(232, 64, 47, 0.08);
            border-radius: 0 8px 8px 0;
            margin: 24px 0;
            color: #C8D0D8;
            font-style: normal;
        }

        .article-content blockquote p {
            margin: 0;
        }

        .article-content img {
            border-radius: var(--radius-card);
            margin: 24px 0;
            width: 100%;
            height: auto;
        }

        .article-content ul,
        .article-content ol {
            padding-left: 24px;
            margin: 16px 0;
        }

        .article-content li {
            margin: 8px 0;
        }

        .article-content a {
            color: var(--color-accent);
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        .article-content a:hover {
            color: #fff;
        }

        .article-content hr {
            border: none;
            border-top: 1px solid var(--border-main);
            margin: 36px 0;
        }

        .article-content pre {
            background: #0E1319;
            border: 1px solid var(--border-main);
            border-radius: 8px;
            padding: 16px;
            overflow-x: auto;
            margin: 20px 0;
        }

        .article-content code {
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
            font-size: 14px;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 14px;
        }

        .article-content table th,
        .article-content table td {
            border: 1px solid var(--border-main);
            padding: 10px 14px;
            text-align: left;
        }

        .article-content table th {
            background: rgba(255, 255, 255, 0.04);
            font-weight: 600;
            color: var(--text-main);
        }

        .post-nav {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            margin-top: 56px;
            padding-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .post-nav-link {
            flex: 1;
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-card);
            padding: 18px 22px;
            transition: var(--transition);
            min-width: 0;
        }

        .post-nav-link:hover {
            border-color: rgba(232, 64, 47, 0.35);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .post-nav-label {
            font-size: 12px;
            color: var(--text-weak);
            display: block;
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }

        .post-nav-title {
            font-size: 15px;
            color: var(--text-main);
            font-weight: 500;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            display: block;
        }

        /* ===== Related Section ===== */
        .related-section {
            padding: 64px 0 72px;
            background: var(--bg-deep);
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 32px;
        }

        .section-head h2 {
            font-size: clamp(22px, 3vw, 28px);
            font-weight: 700;
            letter-spacing: -0.01em;
        }

        .section-head p {
            color: var(--text-secondary);
            font-size: 14px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .related-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: var(--transition);
        }

        .related-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(232, 64, 47, 0.3);
        }

        .related-card-img {
            position: relative;
            height: 160px;
            overflow: hidden;
        }

        .related-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .related-card:hover .related-card-img img {
            transform: scale(1.04);
        }

        .related-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11, 15, 20, 0.35), transparent 55%);
        }

        .related-card-tag {
            position: absolute;
            bottom: 12px;
            left: 14px;
            z-index: 2;
            background: rgba(232, 64, 47, 0.9);
            color: #fff;
            font-size: 11px;
            padding: 2px 10px;
            border-radius: var(--radius-tag);
            font-weight: 500;
        }

        .related-card-body {
            padding: 16px 18px 20px;
        }

        .related-card-title {
            font-size: 16px;
            font-weight: 600;
            line-height: 1.45;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            min-height: 46px;
        }

        .related-card-info {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-weak);
        }

        .related-card-info .read-more {
            color: var(--color-primary);
            font-weight: 500;
        }

        .related-card-info .read-more:hover {
            color: var(--color-accent);
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 72px 0;
            border-top: 1px solid var(--border-main);
            background: var(--bg-base);
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            background: linear-gradient(120deg, rgba(232, 64, 47, 0.12) 0%, rgba(245, 182, 46, 0.08) 100%);
            border: 1px solid rgba(232, 64, 47, 0.2);
            border-radius: 16px;
            padding: 40px 48px;
        }

        .cta-title {
            font-size: clamp(22px, 3vw, 28px);
            font-weight: 700;
            letter-spacing: -0.01em;
            margin-bottom: 10px;
        }

        .cta-desc {
            color: var(--text-secondary);
            font-size: 15px;
            max-width: 480px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            transition: var(--transition);
            white-space: nowrap;
            border: 1px solid transparent;
        }

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

        .btn-primary:hover {
            background: #F0523F;
            filter: brightness(1.05);
        }

        .btn-primary:active {
            transform: translateY(1px);
        }

        .btn-outline {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.3);
            color: #fff;
        }

        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        .btn-lg {
            padding: 14px 38px;
            font-size: 16px;
        }

        /* ===== Empty State ===== */
        .empty-state {
            background: var(--bg-card);
            border: 1px dashed rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-card);
            padding: 80px 40px;
            text-align: center;
            max-width: 520px;
            margin: 0 auto;
        }

        .empty-state p {
            font-size: 18px;
            color: var(--text-main);
            margin-bottom: 24px;
        }

        .empty-state a {
            display: inline-block;
            color: var(--color-primary);
            font-weight: 600;
            padding: 10px 28px;
            border: 1px solid rgba(232, 64, 47, 0.4);
            border-radius: var(--radius-btn);
        }

        .empty-state a:hover {
            background: rgba(232, 64, 47, 0.1);
        }

        /* ===== Footer ===== */
        .site-footer {
            border-top: 1px solid var(--border-main);
            background: var(--bg-deep);
            padding: 56px 0 24px;
        }

        .footer-main {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border-main);
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-logo:hover {
            color: var(--color-accent);
        }

        .footer-desc {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
            max-width: 360px;
        }

        .footer-main h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: var(--text-secondary);
            font-size: 14px;
        }

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

        .footer-contact-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
        }

        .footer-contact-list li {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-contact-list i {
            color: var(--text-weak);
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 24px;
            font-size: 12px;
            color: var(--text-weak);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1023px) {
            .nav,
            .mega-wrap {
                display: none;
            }

            .mobile-burger {
                display: flex;
            }

            .mobile-nav {
                display: none;
            }

            .mobile-nav.open {
                display: flex;
            }
        }

        @media (max-width: 768px) {
            .article-hero {
                padding: 72px 0 44px;
            }

            .article-body {
                padding: 40px 0 56px;
            }

            .article-title {
                font-size: 26px;
            }

            .article-meta {
                gap: 14px;
                font-size: 12px;
                flex-wrap: wrap;
            }

            .post-nav {
                flex-direction: column;
                gap: 12px;
            }

            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .related-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
                padding: 32px 28px;
            }

            .footer-main {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .article-content {
                font-size: 15px;
                line-height: 1.8;
            }

            .article-content h2 {
                font-size: 21px;
            }

            .mega-panel {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .logo {
                font-size: 17px;
            }

            .cta-inner {
                padding: 24px 20px;
            }

            .cta-title {
                font-size: 20px;
            }

            .btn-lg {
                padding: 12px 28px;
                font-size: 15px;
                width: 100%;
            }

            .breadcrumb {
                font-size: 12px;
                gap: 6px;
            }

            .breadcrumb-current {
                max-width: 160px;
            }
        }

/* roulang page: category2 */
:root {
      --color-primary: #E8402F;
      --color-accent: #F5B62E;
      --bg-base: #0B0F14;
      --bg-card: #141B22;
      --border-color: rgba(255, 255, 255, 0.08);
      --text-light: #F2F5F8;
      --text-body: #C6CED6;
      --text-muted: #8A94A0;
      --radius-card: 12px;
      --radius-btn: 8px;
      --radius-tag: 999px;
      --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.4);
      --shadow-hover: 0 8px 30px rgba(232, 64, 47, 0.12);
      --transition: 150ms ease-out;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif !important;
      background: var(--bg-base);
      color: var(--text-body);
      line-height: 1.7;
      font-size: 15px;
      -webkit-font-smoothing: antialiased;
    }

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

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

    button {
      font-family: inherit;
      cursor: pointer;
    }

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

    /* ===== Header ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(11, 15, 20, 0.85);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border-color);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 64px;
      gap: 24px;
    }

    .brand-logo {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 20px;
      font-weight: 700;
      color: var(--text-light);
      letter-spacing: -0.01em;
      flex-shrink: 0;
    }

    .brand-logo:hover {
      color: #fff;
    }

    .nav {
      display: flex;
      align-items: center;
      gap: 32px;
    }

    .nav-link {
      font-size: 14px;
      font-weight: 500;
      color: var(--text-muted);
      padding: 6px 2px 8px;
      border-bottom: 2px solid transparent;
      transition: color var(--transition), border-color var(--transition);
    }

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

    .nav-link.active {
      color: var(--text-light);
      border-bottom-color: var(--color-primary);
      font-weight: 600;
    }

    .menu-toggle {
      display: none;
      background: transparent;
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: 8px;
      width: 40px;
      height: 40px;
      align-items: center;
      justify-content: center;
      color: var(--text-light);
      font-size: 18px;
      transition: border-color var(--transition), color var(--transition);
    }

    .menu-toggle:hover {
      border-color: var(--color-accent);
      color: var(--color-accent);
    }

    /* ===== Banner ===== */
    .cat-banner {
      position: relative;
      padding: 80px 0 96px;
      background-size: cover;
      background-position: center;
      background-color: #0B0F14;
    }

    .cat-banner::before {
      content: "";
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse at 32% 45%, rgba(11, 15, 20, 0.45), rgba(11, 15, 20, 0.88) 75%);
    }

    .cat-banner::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      height: 90px;
      background: linear-gradient(to bottom, transparent, var(--bg-base));
      pointer-events: none;
    }

    .cat-banner-content {
      position: relative;
      z-index: 1;
      max-width: 780px;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 18px;
    }

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

    .breadcrumb .sep {
      color: rgba(255, 255, 255, 0.3);
    }

    .banner-title {
      font-size: clamp(32px, 6vw, 46px);
      font-weight: 700;
      color: var(--text-light);
      letter-spacing: -0.02em;
      line-height: 1.2;
      margin-bottom: 16px;
    }

    .banner-desc {
      font-size: 16px;
      color: var(--text-body);
      max-width: 600px;
      line-height: 1.7;
    }

    /* ===== Section ===== */
    .section {
      padding: 80px 0;
    }

    .section-alt {
      background: #0E141B;
      border-top: 1px solid rgba(255, 255, 255, 0.04);
      border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    }

    .section-head {
      max-width: 660px;
      margin-bottom: 44px;
    }

    .section-tag {
      display: inline-block;
      font-size: 12px;
      font-weight: 600;
      color: var(--color-accent);
      border: 1px solid rgba(245, 182, 46, 0.3);
      border-radius: var(--radius-tag);
      padding: 4px 14px;
      margin-bottom: 12px;
      background: rgba(245, 182, 46, 0.08);
    }

    .section-head h2 {
      font-size: clamp(24px, 3.6vw, 32px);
      font-weight: 700;
      color: var(--text-light);
      letter-spacing: -0.02em;
      line-height: 1.3;
    }

    .section-head p {
      margin-top: 10px;
      color: var(--text-muted);
      font-size: 15px;
    }

    /* ===== Feature list ===== */
    .feature-list {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

    .feature-item {
      display: flex;
      gap: 20px;
      padding: 28px;
      background: var(--bg-card);
      border: 1px solid rgba(255, 255, 255, 0.05);
      border-radius: var(--radius-card);
      transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
    }

    .feature-item:hover {
      border-color: rgba(232, 64, 47, 0.3);
      transform: translateY(-2px);
      box-shadow: var(--shadow-hover);
    }

    .feature-num {
      font-size: 38px;
      font-weight: 700;
      color: var(--color-accent);
      line-height: 1;
      flex-shrink: 0;
      letter-spacing: -0.02em;
    }

    .feature-item h3 {
      font-size: 18px;
      font-weight: 600;
      color: var(--text-light);
      margin-bottom: 6px;
    }

    .feature-item p {
      font-size: 14px;
      color: var(--text-muted);
    }

    /* ===== Post list ===== */
    .post-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
      max-width: 1100px;
    }

    .post-row {
      display: grid;
      grid-template-columns: 220px 1fr;
      gap: 24px;
      padding: 20px;
      background: var(--bg-card);
      border: 1px solid rgba(255, 255, 255, 0.05);
      border-radius: var(--radius-card);
      transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
    }

    .post-row:hover {
      border-color: rgba(232, 64, 47, 0.3);
      transform: translateY(-2px);
      box-shadow: var(--shadow-hover);
    }

    .post-thumb {
      overflow: hidden;
      border-radius: 8px;
      background: #0B0F14;
    }

    .post-thumb img {
      width: 100%;
      aspect-ratio: 16 / 9;
      object-fit: cover;
    }

    .post-body {
      display: flex;
      flex-direction: column;
      justify-content: center;
      gap: 8px;
    }

    .post-meta {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 12px;
      color: var(--text-muted);
    }

    .tag {
      display: inline-block;
      background: rgba(232, 64, 47, 0.12);
      color: var(--color-primary);
      border-radius: var(--radius-tag);
      padding: 3px 12px;
      font-size: 12px;
      font-weight: 600;
    }

    .post-body h3 {
      font-size: 18px;
      font-weight: 600;
      color: var(--text-light);
      line-height: 1.4;
      transition: color var(--transition);
    }

    .post-row:hover .post-body h3 {
      color: #fff;
    }

    .post-body p {
      font-size: 14px;
      color: var(--text-muted);
      display: -webkit-box;
      -webkit-line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .more-link {
      font-size: 14px;
      font-weight: 600;
      color: var(--color-primary);
      transition: color var(--transition);
    }

    .more-link:hover {
      color: var(--color-accent);
    }

    /* ===== Scene grid ===== */
    .scene-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .scene-card {
      background: var(--bg-card);
      border: 1px solid rgba(255, 255, 255, 0.05);
      border-radius: var(--radius-card);
      padding: 28px;
      transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
    }

    .scene-card:hover {
      border-color: rgba(245, 182, 46, 0.25);
      transform: translateY(-2px);
      box-shadow: var(--shadow-hover);
    }

    .scene-icon {
      font-size: 28px;
      margin-bottom: 16px;
      color: var(--color-accent);
    }

    .scene-card h3 {
      font-size: 17px;
      font-weight: 600;
      color: var(--text-light);
      margin-bottom: 8px;
    }

    .scene-card p {
      font-size: 14px;
      color: var(--text-muted);
    }

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

    .process-step {
      text-align: center;
      position: relative;
      padding: 24px 16px;
      background: var(--bg-card);
      border: 1px solid rgba(255, 255, 255, 0.05);
      border-radius: var(--radius-card);
      transition: border-color var(--transition), transform var(--transition);
    }

    .process-step:hover {
      border-color: rgba(232, 64, 47, 0.25);
      transform: translateY(-2px);
    }

    .step-dot {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--color-primary);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 14px;
      font-size: 16px;
      font-weight: 600;
      position: relative;
      z-index: 1;
    }

    .process-step.done .step-dot {
      background: var(--color-primary);
    }

    .process-step.current .step-dot {
      background: var(--color-primary);
      animation: breathe 2s ease-out infinite;
    }

    .process-step.next .step-dot {
      background: #2A3441;
    }

    @keyframes breathe {
      0%,
      100% {
        box-shadow: 0 0 0 0 rgba(232, 64, 47, 0.45);
      }
      50% {
        box-shadow: 0 0 0 14px rgba(232, 64, 47, 0);
      }
    }

    .step-label {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-light);
    }

    .step-desc {
      font-size: 13px;
      color: var(--text-muted);
      margin-top: 6px;
    }

    /* ===== FAQ ===== */
    .faq-container {
      max-width: 800px;
      margin: 0 auto;
    }

    .faq-item {
      border: 1px solid rgba(255, 255, 255, 0.06);
      border-radius: 10px;
      background: var(--bg-card);
      margin-bottom: 12px;
      overflow: hidden;
      transition: border-color var(--transition);
    }

    .faq-item[open] {
      border-color: rgba(232, 64, 47, 0.35);
    }

    .faq-item summary {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 16px 20px;
      font-size: 15px;
      font-weight: 600;
      color: var(--text-light);
      cursor: pointer;
      list-style: none;
      border-left: 2px solid transparent;
      transition: border-color var(--transition);
    }

    .faq-item[open] summary {
      border-left-color: var(--color-primary);
    }

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

    .faq-item summary::after {
      content: "+";
      font-size: 22px;
      font-weight: 400;
      color: var(--color-accent);
      transition: transform 200ms ease-out;
      flex-shrink: 0;
    }

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

    .faq-body {
      padding: 0 20px 18px;
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* ===== CTA ===== */
    .cta-panel {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 32px;
      background: #0E141B;
      border: 1px solid rgba(232, 64, 47, 0.28);
      border-radius: 16px;
      padding: 40px 44px;
    }

    .cta-panel h2 {
      font-size: clamp(22px, 3.6vw, 30px);
      font-weight: 700;
      color: var(--text-light);
      letter-spacing: -0.02em;
      line-height: 1.3;
    }

    .cta-panel p {
      color: var(--text-muted);
      margin-top: 8px;
      font-size: 14px;
    }

    /* ===== Buttons ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 12px 28px;
      border-radius: var(--radius-btn);
      font-size: 14px;
      font-weight: 600;
      border: 1px solid transparent;
      transition: background var(--transition), border-color var(--transition), color var(--transition), opacity var(--transition);
      white-space: nowrap;
    }

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

    .btn-primary:hover {
      background: #f0523f;
    }

    .btn-primary:active {
      transform: translateY(1px);
    }

    .btn-outline {
      border-color: rgba(255, 255, 255, 0.3);
      color: #fff;
      background: transparent;
    }

    .btn-outline:hover {
      border-color: var(--color-accent);
      color: var(--color-accent);
    }

    .btn-lg {
      padding: 14px 36px;
      font-size: 16px;
    }

    /* ===== Footer ===== */
    .site-footer {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding: 48px 0 24px;
      background: var(--bg-base);
    }

    .footer-main {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr;
      gap: 40px;
      padding-bottom: 32px;
    }

    .footer-logo {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 18px;
      font-weight: 700;
      color: var(--text-light);
    }

    .footer-desc {
      font-size: 13px;
      color: var(--text-muted);
      margin-top: 14px;
      max-width: 320px;
      line-height: 1.7;
    }

    .site-footer h4 {
      font-size: 14px;
      font-weight: 600;
      color: var(--text-light);
      margin-bottom: 14px;
    }

    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-links a,
    .footer-contact-list li {
      font-size: 13px;
      color: var(--text-muted);
      transition: color var(--transition);
    }

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

    .footer-contact-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
      font-size: 13px;
      color: var(--text-muted);
    }

    .footer-contact-list i {
      margin-right: 6px;
      color: var(--color-primary);
      width: 16px;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding-top: 20px;
      text-align: center;
      font-size: 12px;
      color: rgba(255, 255, 255, 0.4);
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
      .nav {
        gap: 20px;
      }

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

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

    @media (max-width: 768px) {
      .section {
        padding: 48px 0;
      }

      .header-inner {
        height: 60px;
      }

      .menu-toggle {
        display: inline-flex;
      }

      .nav {
        display: none;
        position: absolute;
        top: 60px;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        background: rgba(11, 15, 20, 0.98);
        padding: 16px 24px 20px;
        border-bottom: 1px solid var(--border-color);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
      }

      .nav.open {
        display: flex;
      }

      .nav-link {
        padding: 12px 0;
        border-bottom: none;
        border-left: 2px solid transparent;
        padding-left: 12px;
      }

      .nav-link.active {
        border-left-color: var(--color-primary);
        border-bottom: none;
      }

      .feature-list {
        grid-template-columns: 1fr;
      }

      .post-row {
        grid-template-columns: 1fr;
      }

      .post-thumb img {
        aspect-ratio: 16 / 9;
      }

      .cta-panel {
        flex-direction: column;
        align-items: flex-start;
        padding: 32px 28px;
      }

      .footer-main {
        grid-template-columns: 1fr;
        gap: 28px;
      }

      .footer-bottom {
        text-align: center;
      }
    }

    @media (max-width: 520px) {
      .container {
        padding: 0 16px;
      }

      .section-head {
        margin-bottom: 32px;
      }

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

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

      .cat-banner {
        padding: 56px 0 72px;
      }

      .banner-desc {
        font-size: 15px;
      }

      .cta-panel {
        padding: 28px 20px;
      }

      .btn-lg {
        width: 100%;
      }
    }

/* roulang page: category3 */
:root {
  --color-primary: #E8402F;
  --color-accent: #F5B62E;
  --bg-base: #0B0F14;
  --bg-card: #141B22;
  --bg-soft: #111820;
  --text-primary: #F2F5F8;
  --text-secondary: #A6B0BC;
  --text-muted: #6B7683;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --border-hover: rgba(232, 64, 47, 0.3);
  --radius-card: 12px;
  --radius-btn: 8px;
  --radius-tag: 999px;
  --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0 8px 30px rgba(232, 64, 47, 0.12);
  --header-h: 72px;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { background: var(--bg-base); color: var(--text-primary); font-family: var(--font-sans); font-size: 16px; line-height: 1.7; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; background: none; border: none; }
ul, ol { list-style: none; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
section[id] { scroll-margin-top: 84px; }

/* Header */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(11, 15, 20, 0.85); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); }
.header-inner { height: var(--header-h); gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 700; letter-spacing: -0.01em; color: var(--text-primary); white-space: nowrap; transition: color .2s ease-out; }
.brand:hover { color: #fff; }
.brand svg { width: 30px; height: 30px; flex-shrink: 0; }
.nav { display: flex; align-items: center; gap: 6px; }
.nav-link { position: relative; padding: 10px 16px; font-size: 15px; font-weight: 500; color: var(--text-secondary); border-radius: 8px; transition: color .2s ease-out; }
.nav-link:hover { color: var(--text-primary); }
.nav-link.active { color: #fff; }
.nav-link.active::after { content: ""; position: absolute; left: 16px; right: 16px; bottom: 2px; height: 2px; background: var(--color-primary); border-radius: 2px; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.nav-burger { display: none; align-items: center; justify-content: center; width: 40px; height: 40px; border: 1px solid var(--border); border-radius: 8px; background: transparent; color: var(--text-primary); font-size: 16px; transition: border-color .2s ease-out; }
.nav-burger:hover { border-color: var(--border-hover); }
.nav-burger .fa-times { display: none; }
.site-header.nav-open .nav-burger .fa-bars { display: none; }
.site-header.nav-open .nav-burger .fa-times { display: inline-block; }

/* Mega menu */
.mega-trigger { position: relative; }
.mega-btn { display: inline-flex; align-items: center; gap: 8px; padding: 9px 18px; background: transparent; border: 1px solid var(--border); border-radius: 999px; color: var(--text-secondary); font-size: 14px; font-weight: 500; transition: color .2s ease-out, border-color .2s ease-out; }
.mega-btn:hover, .mega-trigger:hover .mega-btn { color: #fff; border-color: rgba(245, 182, 46, 0.55); }
.mega-panel { position: absolute; right: 0; top: calc(100% + 14px); width: 720px; max-width: 88vw; background: rgba(20, 27, 34, 0.98); border: 1px solid var(--border); border-radius: 16px; box-shadow: 0 18px 50px rgba(0, 0, 0, 0.55); padding: 24px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; opacity: 0; visibility: hidden; transform: translateY(8px); transition: opacity .15s ease-out, transform .15s ease-out, visibility .15s; z-index: 120; }
.mega-trigger:hover .mega-panel, .mega-trigger:focus-within .mega-panel { opacity: 1; visibility: visible; transform: translateY(0); }
.mega-column h4 { font-size: 12px; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: .1em; margin-bottom: 14px; }
.mega-card { display: flex; gap: 12px; align-items: center; padding: 10px; border-radius: 10px; transition: background .2s ease-out; }
.mega-card:hover { background: rgba(255, 255, 255, 0.05); }
.mega-thumb { width: 72px; height: 48px; border-radius: 8px; background-size: cover; background-position: center; background-color: var(--bg-soft); flex-shrink: 0; }
.mega-info { display: flex; flex-direction: column; min-width: 0; }
.mega-title { font-size: 14px; font-weight: 600; color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mega-tag { align-self: flex-start; margin-top: 5px; font-size: 11px; font-weight: 600; color: var(--color-accent); background: rgba(245, 182, 46, 0.1); border: 1px solid rgba(245, 182, 46, 0.18); padding: 1px 9px; border-radius: 999px; }

/* Buttons */
.btn-primary, .btn-secondary { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 28px; border-radius: var(--radius-btn); font-size: 15px; font-weight: 600; line-height: 1.4; transition: filter .2s ease-out, transform .15s ease-out, color .2s ease-out, border-color .2s ease-out; }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { filter: brightness(1.05); color: #fff; }
.btn-primary:active { transform: translateY(1px); }
.btn-secondary { background: transparent; border: 1px solid rgba(255, 255, 255, 0.3); color: var(--text-primary); }
.btn-secondary:hover { border-color: var(--color-accent); color: var(--color-accent); }
.btn-secondary:active { transform: translateY(1px); }

/* Category banner */
.category-banner { position: relative; padding: 100px 0 90px; background-size: cover; background-position: center; border-bottom: 1px solid var(--border); }
.category-banner::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at 28% 38%, rgba(232, 64, 47, 0.22), transparent 56%), linear-gradient(180deg, rgba(11, 15, 20, 0.5), rgba(11, 15, 20, 0.9) 92%); }
.category-banner::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 120px; background: linear-gradient(180deg, transparent, var(--bg-base)); }
.category-banner-inner { position: relative; z-index: 2; }
.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; font-size: 13px; color: var(--text-muted); margin-bottom: 22px; }
.breadcrumb a { color: var(--text-muted); transition: color .2s ease-out; }
.breadcrumb a:hover { color: var(--text-primary); }
.breadcrumb i { font-size: 10px; color: var(--text-muted); }
.breadcrumb span { color: var(--text-secondary); }
.banner-title { font-size: clamp(32px, 4.6vw, 46px); font-weight: 700; letter-spacing: -0.02em; line-height: 1.18; margin-bottom: 18px; color: var(--text-primary); }
.brand-highlight { background: linear-gradient(90deg, var(--color-primary), var(--color-accent)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.banner-sub { max-width: 660px; font-size: 16px; color: var(--text-secondary); line-height: 1.75; margin-bottom: 32px; }
.banner-actions { display: flex; flex-wrap: wrap; gap: 14px; }

/* Sections */
.section { padding: 84px 0; }
.section-alt { background: var(--bg-soft); }
.section-head { max-width: 720px; margin-bottom: 44px; }
.eyebrow { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600; letter-spacing: .12em; color: var(--color-accent); text-transform: uppercase; margin-bottom: 10px; }
.eyebrow::before { content: ""; width: 18px; height: 2px; background: var(--color-primary); border-radius: 2px; }
.section-head h2 { font-size: clamp(24px, 3vw, 32px); font-weight: 700; letter-spacing: -0.02em; line-height: 1.25; color: var(--text-primary); }
.section-head p { margin-top: 12px; font-size: 15px; color: var(--text-secondary); }

/* Highlights */
.highlight-item { display: flex; gap: 22px; padding: 30px 28px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-card); box-shadow: var(--shadow-card); transition: transform .2s ease-out, box-shadow .2s ease-out, border-color .2s ease-out; }
.highlight-item:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); border-color: var(--border-hover); }
.highlight-num { font-size: 46px; font-weight: 800; line-height: 1; letter-spacing: -0.03em; color: var(--color-accent); min-width: 58px; opacity: .92; }
.highlight-info h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; color: var(--text-primary); }
.highlight-info p { font-size: 14px; line-height: 1.7; color: var(--text-secondary); }

/* Cards */
.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-card); box-shadow: var(--shadow-card); transition: transform .2s ease-out, box-shadow .2s ease-out, border-color .2s ease-out; }
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); border-color: var(--border-hover); }
.audience-card { overflow: hidden; display: flex; flex-direction: column; height: 100%; }
.audience-card img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: var(--bg-soft); }
.audience-body { padding: 22px 20px 24px; flex: 1; }
.audience-body h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.audience-body p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* Steps */
.steps-wrap { position: relative; max-width: 980px; margin: 0 auto; }
.steps-line { position: absolute; top: 20px; left: 12.5%; right: 12.5%; height: 2px; background: #2A3441; z-index: 0; }
.steps { position: relative; z-index: 1; }
.step { position: relative; text-align: center; padding: 0 8px; }
.step-dot { position: relative; z-index: 2; width: 40px; height: 40px; margin: 0 auto; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 15px; font-weight: 700; color: var(--text-muted); background: #2A3441; border: 2px solid rgba(255, 255, 255, 0.06); transition: background .25s, border-color .25s, color .25s; }
.step-dot.done { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.step-dot.current { background: var(--color-primary); border-color: var(--color-primary); color: #fff; animation: breathe 2s ease-in-out infinite; }
.step-tag { margin-top: 14px; font-size: 15px; font-weight: 600; color: var(--text-primary); }
.step-desc { margin: 6px auto 0; max-width: 220px; font-size: 13px; color: var(--text-muted); line-height: 1.6; }
@keyframes breathe { 0%, 100% { box-shadow: 0 0 0 0 rgba(232, 64, 47, 0.45); } 50% { box-shadow: 0 0 0 13px rgba(232, 64, 47, 0); } }

/* Rewards */
.reward-wrap { position: relative; }
.reward-track { display: flex; gap: 20px; overflow-x: auto; padding: 8px 4px 22px; scroll-snap-type: x mandatory; scrollbar-width: none; }
.reward-track::-webkit-scrollbar { display: none; }
.reward-card { flex: 0 0 272px; scroll-snap-align: start; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-card); box-shadow: var(--shadow-card); padding: 30px 24px 28px; text-align: center; transition: transform .2s ease-out, border-color .2s ease-out, box-shadow .2s ease-out; }
.reward-card:hover { transform: translateY(-2px); border-color: var(--border-hover); box-shadow: var(--shadow-hover); }
.reward-icon { width: 66px; height: 66px; margin: 0 auto 18px; border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 26px; color: var(--color-accent); background: rgba(245, 182, 46, 0.1); border: 1px solid rgba(245, 182, 46, 0.14); }
.reward-name { font-size: 16px; font-weight: 600; }
.reward-badge { display: inline-block; margin-top: 10px; font-size: 12px; font-weight: 600; padding: 4px 14px; border-radius: 999px; background: rgba(232, 64, 47, 0.12); border: 1px solid rgba(232, 64, 47, 0.22); color: var(--color-primary); }
.reward-badge.accent { background: rgba(245, 182, 46, 0.1); border-color: rgba(245, 182, 46, 0.24); color: var(--color-accent); }
.reward-card p { margin-top: 12px; font-size: 13px; color: var(--text-muted); line-height: 1.6; }
.slide-hint { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; font-size: 13px; color: var(--text-muted); }
.fade { position: absolute; top: 0; bottom: 22px; width: 72px; z-index: 3; pointer-events: none; }
.fade-left { left: 0; background: linear-gradient(90deg, var(--bg-base), transparent); }
.fade-right { right: 0; background: linear-gradient(270deg, var(--bg-base), transparent); }

/* Event cards */
.event-card { overflow: hidden; display: flex; flex-direction: column; height: 100%; }
.event-thumb { aspect-ratio: 16 / 9; overflow: hidden; background: var(--bg-soft); }
.event-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease-out; }
.event-card:hover .event-thumb img { transform: scale(1.05); }
.event-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.event-body h3 { font-size: 16px; font-weight: 600; margin: 12px 0 8px; line-height: 1.4; }
.event-body p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; flex: 1; }
.event-meta { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--border); font-size: 12px; color: var(--text-muted); }
.event-meta a { color: var(--color-primary); font-weight: 600; font-size: 13px; }
.event-meta a:hover { color: var(--color-accent); }
.tag { display: inline-flex; align-items: center; font-size: 12px; font-weight: 600; padding: 4px 13px; border-radius: 999px; background: rgba(232, 64, 47, 0.12); border: 1px solid rgba(232, 64, 47, 0.22); color: var(--color-primary); }
.tag.accent { background: rgba(245, 182, 46, 0.1); border-color: rgba(245, 182, 46, 0.24); color: var(--color-accent); }
.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; padding: 56px 24px; background: var(--bg-card); border: 1px dashed var(--border-strong); border-radius: var(--radius-card); color: var(--text-muted); font-size: 15px; }
.empty-state i { font-size: 30px; color: var(--text-muted); }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { position: relative; background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px; margin-bottom: 12px; overflow: hidden; transition: border-color .2s ease-out, box-shadow .2s ease-out; }
.faq-item.open { border-color: var(--border-hover); box-shadow: var(--shadow-hover); }
.faq-item.open::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: var(--color-primary); z-index: 2; }
.faq-question { display: flex; justify-content: space-between; align-items: center; gap: 16px; width: 100%; padding: 20px 24px; color: var(--text-primary); font-size: 16px; font-weight: 600; text-align: left; transition: color .2s ease-out; cursor: pointer; }
.faq-question:hover { color: var(--color-accent); }
.faq-item.open .faq-question { color: var(--color-accent); }
.faq-icon { flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%; border: 1px solid var(--border-strong); display: flex; align-items: center; justify-content: center; font-size: 13px; color: var(--text-muted); transition: transform .25s ease-out, color .25s ease-out, border-color .25s ease-out; }
.faq-item.open .faq-icon { transform: rotate(45deg); color: var(--color-primary); border-color: rgba(232, 64, 47, 0.45); }
.faq-answer { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .28s ease-out; }
.faq-item.open .faq-answer { grid-template-rows: 1fr; }
.faq-answer-inner { overflow: hidden; min-height: 0; }
.faq-answer-inner p { padding: 0 24px 22px; font-size: 14px; line-height: 1.75; color: var(--text-secondary); }

/* Final CTA */
.final-cta { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 28px; padding: 54px 56px; background: var(--bg-card); border: 1px solid rgba(232, 64, 47, 0.22); border-radius: 20px; overflow: hidden; }
.final-cta::before { content: ""; position: absolute; top: -80px; right: -80px; width: 260px; height: 260px; background: radial-gradient(circle, rgba(232, 64, 47, 0.32), transparent 70%); }
.final-cta::after { content: ""; position: absolute; bottom: -90px; left: -60px; width: 240px; height: 240px; background: radial-gradient(circle, rgba(245, 182, 46, 0.14), transparent 70%); }
.final-cta-text { position: relative; z-index: 1; max-width: 560px; }
.final-cta-text h2 { font-size: clamp(22px, 3vw, 30px); font-weight: 700; letter-spacing: -0.02em; line-height: 1.3; }
.final-cta-text p { margin-top: 10px; font-size: 15px; color: var(--text-secondary); }
.btn-group { position: relative; z-index: 1; display: flex; flex-wrap: wrap; gap: 14px; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); background: var(--bg-base); padding-top: 64px; }
.footer-main { display: grid; grid-template-columns: 1.5fr 1fr 1.1fr; gap: 44px; padding-bottom: 44px; }
.footer-logo { display: inline-flex; align-items: center; gap: 10px; font-size: 19px; font-weight: 700; color: var(--text-primary); }
.footer-logo svg { width: 28px; height: 28px; flex-shrink: 0; }
.footer-desc { max-width: 340px; margin-top: 14px; font-size: 14px; line-height: 1.75; color: var(--text-muted); }
.site-footer h4 { font-size: 15px; font-weight: 600; margin-bottom: 16px; }
.footer-links li, .footer-contact-list li { margin-bottom: 11px; }
.footer-links a { font-size: 14px; color: var(--text-secondary); transition: color .2s ease-out; }
.footer-links a:hover { color: var(--color-primary); }
.footer-contact-list li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--text-muted); }
.footer-contact-list i { width: 16px; text-align: center; color: var(--color-accent); font-size: 13px; }
.footer-bottom { border-top: 1px solid var(--border); padding: 20px 24px; text-align: center; font-size: 12px; color: var(--text-muted); }

/* Responsive */
@media (max-width: 1200px) {
  .mega-panel { width: 640px; }
}
@media (max-width: 1024px) {
  .nav { position: absolute; top: 100%; left: 0; right: 0; z-index: 105; flex-direction: column; align-items: stretch; gap: 2px; background: rgba(11, 15, 20, 0.98); border-bottom: 1px solid var(--border); padding: 14px 20px 20px; opacity: 0; visibility: hidden; transform: translateY(-8px); transition: opacity .2s ease-out, transform .2s ease-out, visibility .2s; }
  .site-header.nav-open .nav { opacity: 1; visibility: visible; transform: translateY(0); }
  .nav-link { padding: 12px 14px; font-size: 15px; }
  .nav-link.active::after { left: 0; right: auto; top: 12px; bottom: 12px; width: 2px; height: auto; }
  .mega-trigger { display: none; }
  .nav-burger { display: inline-flex; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 36px; }
  .final-cta { flex-direction: column; padding: 46px 32px; text-align: center; }
}
@media (max-width: 768px) {
  .container { padding: 0 20px; }
  .section { padding: 52px 0; }
  .category-banner { padding: 70px 0 62px; }
  .highlight-item { padding: 24px 22px; gap: 16px; }
  .highlight-num { font-size: 38px; min-width: 46px; }
  .step { display: flex; gap: 16px; text-align: left; align-items: flex-start; padding: 0; }
  .step-dot { margin: 0; flex-shrink: 0; top: 2px; }
  .step-tag { margin-top: 0; }
  .step-desc { margin: 4px 0 0; max-width: none; }
  .steps-line { display: none; }
  .reward-card { flex-basis: 240px; }
  .footer-main { grid-template-columns: 1fr; gap: 30px; }
  .final-cta-text, .final-cta .btn-group { width: 100%; }
  .btn-group .btn-primary, .btn-group .btn-secondary { flex: 1; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .brand { font-size: 18px; }
  .banner-actions { width: 100%; }
  .banner-actions .btn-primary, .banner-actions .btn-secondary { width: 100%; }
  .section-head { margin-bottom: 32px; }
  .highlight-item { flex-direction: column; gap: 14px; }
  .reward-card { flex-basis: 220px; }
  .final-cta { padding: 38px 20px; }
  .btn-group { flex-direction: column; }
}