/* roulang page: index */
:root {
    --primary: #0d0d1a;
    --primary-light: #1a1a30;
    --primary-mid: #252545;
    --accent: #e8b830;
    --accent-hover: #d4a520;
    --accent-glow: rgba(232, 184, 48, 0.25);
    --bg-body: #0a0a14;
    --bg-section: #101020;
    --bg-card: #181830;
    --bg-card-hover: #202040;
    --text-white: #ffffff;
    --text-light: #e8e8f0;
    --text-muted: #9898b0;
    --border-color: #2a2a50;
    --border-light: #3a3a60;
    --radius-sm: 8px;
    --radius: 14px;
    --radius-lg: 24px;
    --shadow-sm: 0 4px 20px rgba(0,0,0,0.4);
    --shadow: 0 12px 48px rgba(0,0,0,0.5);
    --shadow-lg: 0 24px 80px rgba(0,0,0,0.6);
    --transition: 0.35s cubic-bezier(0.4,0,0.2,1);
    --font: 'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
    --max-w: 1200px;
    --header-h: 76px;
    --gold: #e8b830;
    --gold-dark: #b8921e;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg-body);color:var(--text-light);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--gold);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--accent-hover)}
img{max-width:100%;height:auto;display:block}
button,input,textarea{font-family:inherit;font-size:inherit}
ul{list-style:none}
.container{width:100%;max-width:var(--max-w);margin:0 auto;padding:0 24px}
@media(max-width:768px){.container{padding:0 16px}}
.section{padding:100px 0;position:relative}
@media(max-width:768px){.section{padding:60px 0}}
.section-title{font-size:2.6rem;font-weight:700;color:var(--text-white);text-align:center;margin-bottom:16px;letter-spacing:-0.5px}
.section-sub{font-size:1.1rem;color:var(--text-muted);text-align:center;max-width:700px;margin:0 auto 56px;line-height:1.8}
@media(max-width:768px){.section-title{font-size:2rem}.section-sub{font-size:1rem;margin-bottom:36px}}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 34px;border-radius:50px;font-weight:600;font-size:1rem;border:none;cursor:pointer;transition:var(--transition);text-decoration:none;line-height:1.2}
.btn-primary{background:linear-gradient(135deg,var(--gold),var(--gold-dark));color:var(--primary);box-shadow:0 4px 24px var(--accent-glow)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 8px 36px var(--accent-glow);color:var(--primary)}
.btn-outline{background:transparent;border:2px solid var(--gold);color:var(--gold)}
.btn-outline:hover{background:var(--gold);color:var(--primary);transform:translateY(-3px)}
.btn-lg{padding:18px 44px;font-size:1.1rem}
@media(max-width:520px){.btn{padding:12px 24px;font-size:0.9rem}}
.glow{text-shadow:0 0 40px rgba(232,184,48,0.15)}
/* Header */
.header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(10,10,20,0.85);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(42,42,80,0.3);height:var(--header-h);transition:var(--transition)}
.header.scrolled{background:rgba(10,10,20,0.96);border-bottom-color:var(--border-color)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);max-width:var(--max-w);margin:0 auto;padding:0 24px}
@media(max-width:768px){.header-inner{padding:0 16px}}
.logo{font-size:1.5rem;font-weight:800;color:var(--text-white);letter-spacing:1px;display:flex;align-items:center;gap:6px}
.logo i{color:var(--gold);font-size:1.4rem}
.logo span{color:var(--gold)}
.nav-wrap{display:flex;align-items:center;gap:8px}
.nav-tabs{display:flex;align-items:center;gap:4px;background:rgba(255,255,255,0.04);border-radius:40px;padding:4px;border:1px solid rgba(42,42,80,0.3)}
.nav-tab{display:inline-flex;align-items:center;gap:8px;padding:10px 22px;border-radius:32px;font-size:0.95rem;font-weight:500;color:var(--text-muted);transition:var(--transition);text-decoration:none;cursor:pointer;white-space:nowrap}
.nav-tab i{font-size:0.85rem}
.nav-tab:hover{color:var(--text-light);background:rgba(255,255,255,0.06)}
.nav-tab.active{background:var(--gold);color:var(--primary);font-weight:600;box-shadow:0 4px 20px var(--accent-glow)}
.nav-tab.active:hover{color:var(--primary)}
.nav-cta{display:inline-flex;align-items:center;gap:8px;padding:10px 26px;border-radius:32px;background:linear-gradient(135deg,var(--gold),var(--gold-dark));color:var(--primary);font-weight:600;font-size:0.95rem;transition:var(--transition);text-decoration:none;margin-left:8px}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 6px 28px var(--accent-glow);color:var(--primary)}
.menu-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;background:none;border:none;padding:8px;z-index:1001}
.menu-toggle span{display:block;width:26px;height:2.5px;background:var(--text-white);border-radius:4px;transition:var(--transition)}
.menu-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,6px)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-6px)}
@media(max-width:820px){
    .menu-toggle{display:flex}
    .nav-wrap{position:fixed;top:0;right:-100%;width:300px;height:100vh;background:rgba(13,13,26,0.98);backdrop-filter:blur(30px);flex-direction:column;padding:100px 30px 30px;transition:var(--transition);border-left:1px solid var(--border-color);align-items:stretch;gap:16px}
    .nav-wrap.open{right:0}
    .nav-tabs{flex-direction:column;gap:6px;background:transparent;border:none;padding:0;border-radius:0}
    .nav-tab{padding:14px 20px;border-radius:12px;justify-content:flex-start;font-size:1.05rem}
    .nav-cta{margin-left:0;justify-content:center;padding:14px 20px}
}
@media(max-width:520px){
    .nav-wrap{width:100%}
}
/* Hero */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden;padding-top:var(--header-h);background:var(--bg-body)}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center center/cover no-repeat;opacity:0.3;z-index:0}
.hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(10,10,20,0.92) 0%,rgba(10,10,20,0.7) 50%,rgba(10,10,20,0.92) 100%)}
.hero-overlay{position:absolute;inset:0;background:radial-gradient(ellipse at 30% 50%,rgba(232,184,48,0.06) 0%,transparent 70%);z-index:1}
.hero .container{position:relative;z-index:2;text-align:center;padding:60px 24px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(232,184,48,0.12);border:1px solid rgba(232,184,48,0.25);border-radius:40px;padding:8px 22px;font-size:0.85rem;color:var(--gold);margin-bottom:28px;letter-spacing:0.5px}
.hero-badge i{font-size:0.75rem}
.hero h1{font-size:3.8rem;font-weight:800;color:var(--text-white);line-height:1.15;margin-bottom:20px;letter-spacing:-1px}
.hero h1 span{background:linear-gradient(135deg,var(--gold),#f0d060);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{font-size:1.25rem;color:var(--text-muted);max-width:680px;margin:0 auto 40px;line-height:1.8}
.hero-actions{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap}
.hero-stats{display:flex;justify-content:center;gap:40px;margin-top:56px;flex-wrap:wrap}
.hero-stat{text-align:center}
.hero-stat .num{font-size:2.2rem;font-weight:800;color:var(--gold);display:block;line-height:1.2}
.hero-stat .label{font-size:0.9rem;color:var(--text-muted);margin-top:4px}
@media(max-width:1024px){
    .hero h1{font-size:3rem}
    .hero p{font-size:1.1rem}
}
@media(max-width:768px){
    .hero h1{font-size:2.2rem}
    .hero p{font-size:1rem;max-width:500px}
    .hero-stats{gap:24px;margin-top:40px}
    .hero-stat .num{font-size:1.8rem}
}
@media(max-width:520px){
    .hero h1{font-size:1.8rem}
    .hero p{font-size:0.95rem}
    .hero-actions{flex-direction:column;width:100%}
    .hero-actions .btn{width:100%;justify-content:center}
}
/* Features */
.features{background:var(--bg-section)}
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius);padding:36px 28px;text-align:center;transition:var(--transition);position:relative;overflow:hidden}
.feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--gold),var(--gold-dark));opacity:0;transition:var(--transition)}
.feature-card:hover{background:var(--bg-card-hover);border-color:var(--border-light);transform:translateY(-6px);box-shadow:var(--shadow)}
.feature-card:hover::before{opacity:1}
.feature-icon{width:64px;height:64px;border-radius:50%;background:rgba(232,184,48,0.1);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:1.6rem;color:var(--gold);transition:var(--transition)}
.feature-card:hover .feature-icon{background:rgba(232,184,48,0.18);transform:scale(1.05)}
.feature-card h3{font-size:1.25rem;font-weight:700;color:var(--text-white);margin-bottom:10px}
.feature-card p{font-size:0.95rem;color:var(--text-muted);line-height:1.7}
@media(max-width:1024px){
    .features-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:520px){
    .features-grid{grid-template-columns:1fr}
    .feature-card{padding:28px 20px}
}
/* Services */
.services{background:var(--bg-body)}
.services-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.services-image{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);position:relative}
.services-image img{width:100%;height:auto;display:block;transition:var(--transition)}
.services-image:hover img{transform:scale(1.03)}
.services-image::after{content:'';position:absolute;inset:0;border-radius:var(--radius-lg);border:1px solid rgba(232,184,48,0.1);pointer-events:none}
.services-content h2{font-size:2.2rem;font-weight:700;color:var(--text-white);margin-bottom:16px;line-height:1.3}
.services-content p{font-size:1.05rem;color:var(--text-muted);line-height:1.8;margin-bottom:24px}
.services-list{display:flex;flex-direction:column;gap:14px}
.services-list li{display:flex;align-items:flex-start;gap:14px;font-size:1rem;color:var(--text-light)}
.services-list li i{color:var(--gold);font-size:1.1rem;margin-top:4px;flex-shrink:0}
@media(max-width:820px){
    .services-grid{grid-template-columns:1fr;gap:32px}
    .services-content h2{font-size:1.8rem}
    .services-image{order:-1}
}
/* Guide */
.guide{background:var(--bg-section)}
.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.guide-content h2{font-size:2.2rem;font-weight:700;color:var(--text-white);margin-bottom:16px;line-height:1.3}
.guide-content p{font-size:1.05rem;color:var(--text-muted);line-height:1.8;margin-bottom:28px}
.guide-image{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);position:relative}
.guide-image img{width:100%;height:auto;display:block;transition:var(--transition)}
.guide-image:hover img{transform:scale(1.03)}
.guide-image::after{content:'';position:absolute;inset:0;border-radius:var(--radius-lg);border:1px solid rgba(232,184,48,0.1);pointer-events:none}
@media(max-width:820px){
    .guide-grid{grid-template-columns:1fr;gap:32px}
    .guide-content h2{font-size:1.8rem}
    .guide-image{order:-1}
}
/* News */
.news{background:var(--bg-body)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius);overflow:hidden;transition:var(--transition);display:flex;flex-direction:column}
.news-card:hover{background:var(--bg-card-hover);border-color:var(--border-light);transform:translateY(-6px);box-shadow:var(--shadow)}
.news-card-img{width:100%;height:180px;object-fit:cover;display:block;transition:var(--transition)}
.news-card:hover .news-card-img{transform:scale(1.02)}
.news-card-body{padding:22px 24px 24px;flex:1;display:flex;flex-direction:column}
.news-card-meta{display:flex;align-items:center;gap:12px;font-size:0.8rem;color:var(--text-muted);margin-bottom:10px}
.news-card-meta .tag{background:rgba(232,184,48,0.12);color:var(--gold);padding:3px 12px;border-radius:20px;font-size:0.75rem;font-weight:500}
.news-card h3{font-size:1.1rem;font-weight:700;color:var(--text-white);margin-bottom:8px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card p{font-size:0.9rem;color:var(--text-muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:14px;flex:1}
.news-card .read-more{color:var(--gold);font-size:0.9rem;font-weight:500;display:inline-flex;align-items:center;gap:6px;margin-top:auto}
.news-card .read-more i{font-size:0.8rem;transition:var(--transition)}
.news-card:hover .read-more i{transform:translateX(4px)}
.news-empty{grid-column:1/-1;text-align:center;padding:60px 20px;color:var(--text-muted);font-size:1.05rem;background:var(--bg-card);border-radius:var(--radius);border:1px dashed var(--border-color)}
@media(max-width:1024px){
    .news-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:520px){
    .news-grid{grid-template-columns:1fr}
    .news-card-img{height:150px}
}
/* Stats */
.stats{background:var(--bg-section);position:relative;overflow:hidden}
.stats::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 50% 0%,rgba(232,184,48,0.04) 0%,transparent 70%)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;position:relative;z-index:1}
.stat-item{text-align:center;padding:20px}
.stat-item .num{font-size:3rem;font-weight:800;color:var(--gold);line-height:1.1;display:block}
.stat-item .label{font-size:1rem;color:var(--text-muted);margin-top:8px;display:block}
.stat-item .label i{margin-right:6px;color:var(--gold)}
@media(max-width:768px){
    .stats-grid{grid-template-columns:repeat(2,1fr);gap:24px}
    .stat-item .num{font-size:2.4rem}
}
@media(max-width:520px){
    .stats-grid{grid-template-columns:1fr 1fr;gap:16px}
    .stat-item .num{font-size:2rem}
}
/* Process */
.process{background:var(--bg-body)}
.process-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.process-steps::before{content:'';position:absolute;top:44px;left:10%;right:10%;height:2px;background:linear-gradient(90deg,var(--border-color),var(--gold),var(--border-color));opacity:0.4;z-index:0}
@media(max-width:820px){
    .process-steps::before{display:none}
}
.process-step{text-align:center;position:relative;z-index:1;padding:0 12px}
.step-number{width:56px;height:56px;border-radius:50%;background:linear-gradient(135deg,var(--gold),var(--gold-dark));color:var(--primary);font-size:1.4rem;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;box-shadow:0 4px 24px var(--accent-glow);position:relative}
.step-number::after{content:'';position:absolute;inset:-4px;border-radius:50%;border:2px solid rgba(232,184,48,0.3);animation:pulse-glow 2s ease-in-out infinite}
@keyframes pulse-glow{0%,100%{transform:scale(1);opacity:0.6}50%{transform:scale(1.1);opacity:1}}
.process-step h4{font-size:1.1rem;font-weight:700;color:var(--text-white);margin-bottom:8px}
.process-step p{font-size:0.9rem;color:var(--text-muted);line-height:1.7}
@media(max-width:820px){
    .process-steps{grid-template-columns:repeat(2,1fr);gap:32px 16px}
}
@media(max-width:520px){
    .process-steps{grid-template-columns:1fr;gap:28px}
}
/* FAQ */
.faq{background:var(--bg-section)}
.faq-list{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius);overflow:hidden;transition:var(--transition)}
.faq-item:hover{border-color:var(--border-light)}
.faq-q{display:flex;align-items:center;justify-content:space-between;padding:20px 28px;cursor:pointer;font-size:1.05rem;font-weight:600;color:var(--text-white);transition:var(--transition);gap:16px;user-select:none}
.faq-q:hover{color:var(--gold)}
.faq-q i{font-size:0.9rem;color:var(--gold);transition:var(--transition);flex-shrink:0}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{padding:0 28px 20px;display:none;font-size:0.95rem;color:var(--text-muted);line-height:1.8}
.faq-item.open .faq-a{display:block}
.faq-item.open .faq-q{color:var(--gold)}
@media(max-width:520px){
    .faq-q{padding:16px 20px;font-size:0.95rem}
    .faq-a{padding:0 20px 16px}
}
/* CTA */
.cta{background:var(--bg-body);position:relative;overflow:hidden}
.cta::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center center/cover no-repeat;opacity:0.08;z-index:0}
.cta-inner{position:relative;z-index:1;text-align:center;max-width:700px;margin:0 auto}
.cta h2{font-size:2.6rem;font-weight:800;color:var(--text-white);margin-bottom:16px;line-height:1.2}
.cta p{font-size:1.1rem;color:var(--text-muted);margin-bottom:36px;line-height:1.8}
.cta .btn-group{display:flex;align-items:center;justify-content:center;gap:16px;flex-wrap:wrap}
@media(max-width:768px){
    .cta h2{font-size:2rem}
    .cta p{font-size:1rem}
}
@media(max-width:520px){
    .cta .btn-group{flex-direction:column;width:100%}
    .cta .btn-group .btn{width:100%;justify-content:center}
}
/* Footer */
.footer{background:var(--primary);border-top:1px solid var(--border-color);padding:60px 0 30px}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{font-size:0.95rem;color:var(--text-muted);line-height:1.8;max-width:320px}
.footer-col h4{font-size:1rem;font-weight:700;color:var(--text-white);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul li a{font-size:0.9rem;color:var(--text-muted);transition:var(--transition)}
.footer-col ul li a:hover{color:var(--gold);padding-left:4px}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;padding-top:24px;border-top:1px solid var(--border-color);font-size:0.85rem;color:var(--text-muted);flex-wrap:wrap;gap:12px}
.footer-bottom a{color:var(--text-muted)}
.footer-bottom a:hover{color:var(--gold)}
@media(max-width:820px){
    .footer-inner{grid-template-columns:1fr 1fr;gap:32px}
    .footer-brand{grid-column:1/-1}
}
@media(max-width:520px){
    .footer-inner{grid-template-columns:1fr;gap:24px}
    .footer-bottom{flex-direction:column;text-align:center}
}
/* Scrollbar */
::-webkit-scrollbar{width:8px}
::-webkit-scrollbar-track{background:var(--bg-body)}
::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}
::-webkit-scrollbar-thumb:hover{background:var(--border-light)}
/* Selection */
::selection{background:var(--gold);color:var(--primary)}

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #e50914;
            --primary-dark: #b20710;
            --primary-light: #ff4757;
            --secondary: #0a0a1a;
            --secondary-light: #1a1a2e;
            --accent: #f5c518;
            --accent-dark: #d4a815;
            --bg-dark: #0b0b1a;
            --bg-card: #12122a;
            --bg-card-hover: #1a1a3a;
            --bg-section: #0f0f25;
            --text-primary: #f1f1f1;
            --text-secondary: #b0b0c8;
            --text-muted: #70708a;
            --border-color: #2a2a4a;
            --border-light: #3a3a5a;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.4);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.6);
            --shadow-glow: 0 0 30px rgba(229,9,20,0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
            --spacing-section: 80px;
            --spacing-block: 48px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-family);
            background: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
            overflow-x: hidden;
        }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--primary-light); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-md); }
        ul { list-style: none; }
        button, input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; }
        button { cursor: pointer; background: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-primary); }
        p { margin-bottom: 1rem; color: var(--text-secondary); }
        ::selection { background: var(--primary); color: #fff; }
        ::-webkit-scrollbar { width: 8px; }
        ::-webkit-scrollbar-track { background: var(--bg-dark); }
        ::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 4px; }
        ::-webkit-scrollbar-thumb:hover { background: var(--border-light); }

        /* ===== Container ===== */
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Navigation ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(11, 11, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(42, 42, 74, 0.5);
            transition: background var(--transition), box-shadow var(--transition);
            height: var(--header-height);
        }
        .header.scrolled {
            background: rgba(11, 11, 26, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }
        .header-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 26px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: -0.5px;
            transition: opacity var(--transition);
            flex-shrink: 0;
        }
        .logo i {
            color: var(--primary);
            font-size: 28px;
            background: rgba(229, 9, 20, 0.15);
            padding: 6px;
            border-radius: 8px;
        }
        .logo span { color: var(--primary); }
        .logo:hover { opacity: 0.9; color: var(--text-primary); }

        .nav-wrap {
            display: flex;
            align-items: center;
            gap: 24px;
        }
        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 4px;
            background: rgba(255, 255, 255, 0.04);
            padding: 4px;
            border-radius: 50px;
            border: 1px solid rgba(42, 42, 74, 0.4);
        }
        .nav-tab {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-tab i { font-size: 14px; }
        .nav-tab:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-tab.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 20px rgba(229, 9, 20, 0.35);
        }
        .nav-tab.active:hover { color: #fff; background: var(--primary-dark); }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 28px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border: 1px solid rgba(229, 9, 20, 0.3);
            transition: all var(--transition);
            box-shadow: 0 4px 20px rgba(229, 9, 20, 0.25);
            white-space: nowrap;
        }
        .nav-cta:hover {
            color: #fff;
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            transform: translateY(-1px);
            box-shadow: 0 8px 30px rgba(229, 9, 20, 0.4);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 8px;
            border: 1px solid rgba(42, 42, 74, 0.4);
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            transition: background var(--transition);
        }
        .menu-toggle:hover { background: rgba(255, 255, 255, 0.1); }
        .menu-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition);
        }
        .menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
        .menu-toggle.active span:nth-child(2) { opacity: 0; }
        .menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

        /* ===== Hero / Banner ===== */
        .article-hero {
            position: relative;
            min-height: 360px;
            display: flex;
            align-items: flex-end;
            padding-top: calc(var(--header-height) + 40px);
            padding-bottom: 60px;
            background: linear-gradient(135deg, var(--secondary) 0%, var(--bg-dark) 100%);
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.2;
            z-index: 0;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, var(--bg-dark) 20%, transparent 80%);
            z-index: 1;
        }
        .article-hero .container {
            position: relative;
            z-index: 2;
        }
        .article-hero-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            margin-bottom: 16px;
        }
        .article-hero-category {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            background: rgba(229, 9, 20, 0.2);
            border: 1px solid rgba(229, 9, 20, 0.3);
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-light);
        }
        .article-hero-date {
            font-size: 14px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-hero-date i { font-size: 14px; }
        .article-hero h1 {
            font-size: clamp(28px, 4.5vw, 52px);
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.25;
            max-width: 900px;
            color: #fff;
            text-shadow: 0 2px 30px rgba(0,0,0,0.3);
        }
        .article-hero .hero-divider {
            width: 80px;
            height: 4px;
            background: var(--primary);
            border-radius: 2px;
            margin-top: 20px;
        }

        /* ===== Main Content ===== */
        .article-main {
            padding: var(--spacing-section) 0;
            background: var(--bg-dark);
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: start;
        }
        .article-body {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-md);
        }
        .article-body h2 {
            font-size: 28px;
            margin: 36px 0 16px;
            color: var(--text-primary);
            padding-bottom: 12px;
            border-bottom: 2px solid rgba(229, 9, 20, 0.2);
        }
        .article-body h3 {
            font-size: 22px;
            margin: 28px 0 12px;
            color: var(--text-primary);
        }
        .article-body p {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 1.2rem;
        }
        .article-body ul, .article-body ol {
            padding-left: 24px;
            margin-bottom: 1.2rem;
            color: var(--text-secondary);
        }
        .article-body ul li, .article-body ol li {
            margin-bottom: 8px;
            line-height: 1.7;
        }
        .article-body ul li::marker { color: var(--primary); }
        .article-body ol li::marker { color: var(--primary); }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            padding: 16px 24px;
            margin: 24px 0;
            background: rgba(229, 9, 20, 0.06);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-body img {
            margin: 24px 0;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
        }
        .article-body a { color: var(--primary-light); text-decoration: underline; }
        .article-body a:hover { color: var(--accent); }
        .article-body .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
        }
        .article-body .article-tags span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .article-body .article-tags span i { color: var(--primary); font-size: 12px; }

        .not-found {
            text-align: center;
            padding: 80px 40px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
        }
        .not-found i { font-size: 56px; color: var(--text-muted); margin-bottom: 20px; display: block; }
        .not-found h2 { font-size: 28px; margin-bottom: 12px; }
        .not-found p { color: var(--text-muted); margin-bottom: 24px; }
        .not-found .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 50px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            transition: all var(--transition);
        }
        .not-found .btn-back:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
        }
        .sidebar-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-primary);
        }
        .sidebar-card h3 i { color: var(--primary); }
        .sidebar-card p { font-size: 14px; color: var(--text-muted); margin-bottom: 16px; }
        .sidebar-cta {
            display: block;
            text-align: center;
            padding: 12px 20px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            transition: all var(--transition);
            border: 1px solid rgba(229, 9, 20, 0.3);
        }
        .sidebar-cta:hover {
            color: #fff;
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(229, 9, 20, 0.3);
        }
        .sidebar-list { display: flex; flex-direction: column; gap: 12px; }
        .sidebar-list-item {
            display: flex;
            gap: 12px;
            padding: 12px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
            cursor: pointer;
        }
        .sidebar-list-item:hover { background: rgba(255, 255, 255, 0.04); }
        .sidebar-list-item img {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .sidebar-list-item .item-info h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .sidebar-list-item .item-info span {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ===== CTA Section ===== */
        .article-cta {
            padding: 60px 0;
            background: var(--bg-section);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .article-cta .cta-box {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--bg-card) 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .article-cta .cta-box::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -30%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(229,9,20,0.08) 0%, transparent 70%);
            border-radius: 50%;
        }
        .article-cta .cta-box h2 {
            font-size: clamp(24px, 3vw, 36px);
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .article-cta .cta-box p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 1;
        }
        .article-cta .cta-btn-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
            position: relative;
            z-index: 1;
        }
        .article-cta .cta-btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 600;
            font-size: 16px;
            transition: all var(--transition);
            border: 1px solid rgba(229, 9, 20, 0.3);
        }
        .article-cta .cta-btn-primary:hover {
            color: #fff;
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(229, 9, 20, 0.35);
        }
        .article-cta .cta-btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 16px;
            border: 1px solid var(--border-color);
            transition: all var(--transition);
        }
        .article-cta .cta-btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--border-light);
            transform: translateY(-3px);
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--secondary);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo { font-size: 24px; margin-bottom: 16px; display: inline-flex; }
        .footer-brand p { font-size: 14px; color: var(--text-muted); line-height: 1.8; max-width: 360px; }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-col ul { display: flex; flex-direction: column; gap: 10px; }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-muted);
            transition: color var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover { color: var(--primary-light); }
        .footer-col ul li a i { width: 18px; text-align: center; font-size: 14px; color: var(--primary); }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            font-size: 13px;
            color: var(--text-muted);
            gap: 12px;
        }
        .footer-bottom a { color: var(--text-muted); }
        .footer-bottom a:hover { color: var(--primary-light); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; }
            .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
            .footer-inner { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            :root { --spacing-section: 48px; --header-height: 64px; }
            .header-inner { padding: 0 16px; }
            .nav-wrap {
                position: fixed;
                top: var(--header-height);
                left: 0;
                width: 100%;
                background: rgba(11, 11, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 16px;
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-120%);
                opacity: 0;
                transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                pointer-events: none;
                box-shadow: var(--shadow-lg);
            }
            .nav-wrap.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-tabs {
                flex-direction: column;
                width: 100%;
                background: transparent;
                border: none;
                padding: 0;
                gap: 4px;
                border-radius: 0;
            }
            .nav-tab {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                border-radius: var(--radius-sm);
            }
            .nav-tab.active { background: var(--primary); }
            .nav-cta { width: 100%; justify-content: center; }
            .menu-toggle { display: flex; }

            .article-hero { min-height: 280px; padding-top: calc(var(--header-height) + 24px); padding-bottom: 40px; }
            .article-hero h1 { font-size: clamp(22px, 5vw, 32px); }
            .article-body { padding: 24px; }

            .article-sidebar { grid-template-columns: 1fr; }

            .article-cta .cta-box { padding: 32px 24px; }

            .footer { padding: 40px 0 20px; }
            .footer-inner { grid-template-columns: 1fr; gap: 28px; }
            .footer-brand p { max-width: 100%; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        @media (max-width: 520px) {
            .article-body h2 { font-size: 22px; }
            .article-body h3 { font-size: 18px; }
            .article-cta .cta-btn-group { flex-direction: column; }
            .article-cta .cta-btn-primary,
            .article-cta .cta-btn-secondary { width: 100%; justify-content: center; }
            .article-hero-meta { flex-direction: column; align-items: flex-start; gap: 8px; }
        }

        /* ===== Utility ===== */
        .text-center { text-align: center; }
        .mt-20 { margin-top: 20px; }
        .mb-20 { margin-bottom: 20px; }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
  --primary: #0a0e1a;
  --primary-light: #141b2d;
  --primary-mid: #1c2742;
  --accent: #c9a84c;
  --accent-light: #e4c76a;
  --accent-dark: #a88830;
  --secondary: #e84c3d;
  --secondary-light: #f06a5e;
  --bg-dark: #060912;
  --bg-card: #111827;
  --bg-card-hover: #1a2335;
  --text-white: #ffffff;
  --text-light: #e8ecf4;
  --text-muted: #8a94a8;
  --text-muted-light: #a8b0c8;
  --border-color: rgba(201, 168, 76, 0.15);
  --border-light: rgba(255, 255, 255, 0.06);
  --shadow-sm: 0 2px 12px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-lg: 0 16px 56px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 30px rgba(201, 168, 76, 0.08);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
  --max-width: 1200px;
  --header-h: 76px;
}
/* ===== Reset & Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:var(--font-family);background:var(--bg-dark);color:var(--text-light);line-height:1.7;font-size:16px;min-height:100vh}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--accent-light)}
ul,ol{list-style:none}
button,input,textarea{font-family:inherit;font-size:inherit;outline:none;border:none;background:none;color:inherit}
button{cursor:pointer}
::selection{background:rgba(201,168,76,0.3);color:#fff}
::-webkit-scrollbar{width:6px;background:var(--primary)}
::-webkit-scrollbar-thumb{background:var(--accent-dark);border-radius:4px}
/* ===== Container ===== */
.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px}
@media(max-width:768px){.container{padding:0 18px}}
/* ===== 导航 Header ===== */
.header{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--header-h);background:rgba(10,14,26,0.92);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border-light);transition:var(--transition)}
.header-inner{display:flex;align-items:center;justify-content:space-between;max-width:var(--max-width);margin:0 auto;padding:0 24px;height:100%}
.logo{display:flex;align-items:center;gap:10px;font-size:24px;font-weight:800;color:var(--text-white);letter-spacing:-0.5px;transition:var(--transition)}
.logo i{color:var(--accent);font-size:22px}
.logo span{color:var(--accent);font-weight:700}
.logo:hover{opacity:0.88;color:var(--text-white)}
.nav-wrap{display:flex;align-items:center;gap:32px}
.nav-tabs{display:flex;gap:6px;background:rgba(255,255,255,0.04);border-radius:40px;padding:4px}
.nav-tab{display:flex;align-items:center;gap:8px;padding:10px 22px;border-radius:32px;font-size:15px;font-weight:500;color:var(--text-muted);transition:var(--transition);position:relative}
.nav-tab i{font-size:14px}
.nav-tab:hover{color:var(--text-white);background:rgba(255,255,255,0.06)}
.nav-tab.active{color:var(--primary);background:var(--accent);font-weight:600;box-shadow:0 4px 16px rgba(201,168,76,0.25)}
.nav-tab.active:hover{color:var(--primary);background:var(--accent-light)}
.nav-cta{display:inline-flex;align-items:center;gap:8px;padding:10px 26px;border-radius:32px;background:linear-gradient(135deg,var(--accent-dark),var(--accent));color:var(--primary);font-weight:700;font-size:15px;transition:var(--transition);box-shadow:0 4px 18px rgba(201,168,76,0.2)}
.nav-cta i{font-size:14px}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(201,168,76,0.35);color:var(--primary);background:linear-gradient(135deg,var(--accent),var(--accent-light))}
.menu-toggle{display:none;flex-direction:column;justify-content:center;align-items:center;width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,0.06);gap:5px;padding:10px;transition:var(--transition)}
.menu-toggle span{display:block;width:22px;height:2.5px;background:var(--text-light);border-radius:4px;transition:var(--transition)}
.menu-toggle:hover{background:rgba(255,255,255,0.1)}
@media(max-width:820px){
  .menu-toggle{display:flex}
  .nav-wrap{position:fixed;top:var(--header-h);left:0;right:0;background:rgba(10,14,26,0.98);backdrop-filter:blur(20px);flex-direction:column;padding:20px 24px 30px;gap:20px;border-bottom:1px solid var(--border-light);transform:translateY(-110%);opacity:0;visibility:hidden;transition:var(--transition)}
  .nav-wrap.open{transform:translateY(0);opacity:1;visibility:visible}
  .nav-tabs{flex-direction:column;background:transparent;gap:4px;padding:0;width:100%}
  .nav-tab{padding:14px 20px;border-radius:12px;width:100%;justify-content:center}
  .nav-cta{width:100%;justify-content:center;padding:14px 20px}
}
/* ===== Hero ===== */
.hero{position:relative;min-height:90vh;display:flex;align-items:center;padding:120px 0 80px;background:var(--primary);overflow:hidden}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center center/cover no-repeat;opacity:0.25;z-index:0}
.hero-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(10,14,26,0.88) 30%,rgba(10,14,26,0.4) 70%,rgba(10,14,26,0.88) 100%)}
.hero-overlay{position:absolute;inset:0;background:radial-gradient(ellipse at 30% 50%,rgba(201,168,76,0.06) 0%,transparent 70%);z-index:1}
.hero .container{position:relative;z-index:2}
.hero-content{max-width:820px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:8px 20px;border-radius:40px;background:rgba(201,168,76,0.12);border:1px solid rgba(201,168,76,0.2);color:var(--accent);font-size:14px;font-weight:500;margin-bottom:24px;letter-spacing:0.5px}
.hero-badge i{font-size:14px}
.hero-title{font-size:clamp(2.6rem,6vw,4.8rem);font-weight:900;color:var(--text-white);line-height:1.08;letter-spacing:-1px;margin-bottom:20px}
.hero-title .highlight{background:linear-gradient(135deg,var(--accent),var(--accent-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-sub{font-size:clamp(1.05rem,1.8vw,1.3rem);color:var(--text-muted-light);max-width:660px;line-height:1.7;margin-bottom:36px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px}
.hero-btn{display:inline-flex;align-items:center;gap:10px;padding:16px 36px;border-radius:40px;font-size:17px;font-weight:700;transition:var(--transition);border:2px solid transparent}
.hero-btn-primary{background:linear-gradient(135deg,var(--accent-dark),var(--accent));color:var(--primary);box-shadow:0 6px 28px rgba(201,168,76,0.25)}
.hero-btn-primary:hover{transform:translateY(-3px);box-shadow:0 12px 40px rgba(201,168,76,0.35);color:var(--primary)}
.hero-btn-secondary{background:transparent;border-color:rgba(255,255,255,0.15);color:var(--text-light)}
.hero-btn-secondary:hover{background:rgba(255,255,255,0.06);border-color:rgba(255,255,255,0.25);color:var(--text-white);transform:translateY(-3px)}
.hero-stats{display:flex;flex-wrap:wrap;gap:40px;margin-top:52px;padding-top:40px;border-top:1px solid rgba(255,255,255,0.06)}
.hero-stat-item{display:flex;flex-direction:column}
.hero-stat-num{font-size:2rem;font-weight:900;color:var(--accent);line-height:1.2}
.hero-stat-label{font-size:14px;color:var(--text-muted);margin-top:4px}
@media(max-width:768px){
  .hero{min-height:70vh;padding:100px 0 60px}
  .hero-stats{gap:24px;margin-top:36px;padding-top:28px}
  .hero-stat-num{font-size:1.6rem}
}
/* ===== 板块通用 ===== */
.section{padding:90px 0}
.section-dark{background:var(--primary)}
.section-darker{background:var(--bg-dark)}
.section-divider{position:relative}
.section-divider::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:80%;max-width:600px;height:1px;background:linear-gradient(90deg,transparent,rgba(201,168,76,0.12),transparent)}
.section-header{text-align:center;margin-bottom:56px}
.section-label{display:inline-flex;align-items:center;gap:8px;padding:6px 18px;border-radius:40px;background:rgba(201,168,76,0.08);border:1px solid rgba(201,168,76,0.12);color:var(--accent);font-size:13px;font-weight:500;letter-spacing:0.8px;margin-bottom:16px}
.section-title{font-size:clamp(1.8rem,3.2vw,2.8rem);font-weight:800;color:var(--text-white);line-height:1.2;margin-bottom:14px}
.section-desc{font-size:1.05rem;color:var(--text-muted-light);max-width:680px;margin:0 auto;line-height:1.7}
/* ===== 特色卡片 ===== */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.feature-card{background:var(--bg-card);border-radius:var(--radius-md);padding:40px 32px;border:1px solid var(--border-light);transition:var(--transition);position:relative;overflow:hidden}
.feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent-dark),var(--accent),var(--accent-light));opacity:0;transition:var(--transition)}
.feature-card:hover{transform:translateY(-6px);border-color:rgba(201,168,76,0.2);box-shadow:var(--shadow-md),var(--shadow-glow);background:var(--bg-card-hover)}
.feature-card:hover::before{opacity:1}
.feature-icon{width:56px;height:56px;border-radius:16px;background:rgba(201,168,76,0.1);display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--accent);margin-bottom:20px;transition:var(--transition)}
.feature-card:hover .feature-icon{background:rgba(201,168,76,0.18);transform:scale(1.05)}
.feature-card h3{font-size:1.2rem;font-weight:700;color:var(--text-white);margin-bottom:10px}
.feature-card p{font-size:0.95rem;color:var(--text-muted);line-height:1.7}
.feature-card .feature-img{margin-top:24px;border-radius:var(--radius-sm);overflow:hidden}
.feature-card .feature-img img{width:100%;height:180px;object-fit:cover;border-radius:var(--radius-sm);transition:var(--transition)}
.feature-card:hover .feature-img img{transform:scale(1.03)}
@media(max-width:1023px){.features-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.features-grid{grid-template-columns:1fr}}
/* ===== 场景双栏 ===== */
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.scene-image{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);position:relative}
.scene-image img{width:100%;height:420px;object-fit:cover;border-radius:var(--radius-lg);transition:var(--transition)}
.scene-image:hover img{transform:scale(1.02)}
.scene-image .img-badge{position:absolute;bottom:20px;left:20px;padding:8px 18px;background:rgba(10,14,26,0.8);backdrop-filter:blur(8px);border-radius:30px;color:var(--accent);font-size:13px;font-weight:500;border:1px solid rgba(201,168,76,0.15)}
.scene-list{display:flex;flex-direction:column;gap:24px}
.scene-item{display:flex;gap:18px;padding:20px 24px;background:var(--bg-card);border-radius:var(--radius-md);border:1px solid var(--border-light);transition:var(--transition)}
.scene-item:hover{background:var(--bg-card-hover);border-color:rgba(201,168,76,0.15);transform:translateX(4px)}
.scene-num{font-size:32px;font-weight:900;color:var(--accent);opacity:0.4;line-height:1;min-width:48px}
.scene-item h4{font-size:1.05rem;font-weight:700;color:var(--text-white);margin-bottom:6px}
.scene-item p{font-size:0.92rem;color:var(--text-muted);line-height:1.6}
@media(max-width:820px){
  .scene-grid{grid-template-columns:1fr;gap:32px}
  .scene-image img{height:280px}
}
/* ===== 流程步骤 ===== */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:step}
.process-card{background:var(--bg-card);border-radius:var(--radius-md);padding:36px 28px;border:1px solid var(--border-light);text-align:center;transition:var(--transition);position:relative}
.process-card::before{counter-increment:step;content:'0' counter(step);position:absolute;top:16px;right:20px;font-size:48px;font-weight:900;color:rgba(201,168,76,0.06);line-height:1;transition:var(--transition)}
.process-card:hover{transform:translateY(-6px);border-color:rgba(201,168,76,0.2);box-shadow:var(--shadow-md);background:var(--bg-card-hover)}
.process-card:hover::before{color:rgba(201,168,76,0.12)}
.process-icon{width:64px;height:64px;border-radius:50%;background:rgba(201,168,76,0.08);display:flex;align-items:center;justify-content:center;margin:0 auto 18px;font-size:26px;color:var(--accent);transition:var(--transition)}
.process-card:hover .process-icon{background:rgba(201,168,76,0.15);transform:scale(1.06)}
.process-card h4{font-size:1.05rem;font-weight:700;color:var(--text-white);margin-bottom:8px}
.process-card p{font-size:0.9rem;color:var(--text-muted);line-height:1.6}
.process-arrow{display:none}
@media(max-width:1023px){.process-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.process-grid{grid-template-columns:1fr}}
/* ===== 数据统计 ===== */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{background:var(--bg-card);border-radius:var(--radius-md);padding:36px 20px;text-align:center;border:1px solid var(--border-light);transition:var(--transition)}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(201,168,76,0.15);box-shadow:var(--shadow-sm)}
.stat-icon{font-size:32px;color:var(--accent);margin-bottom:12px}
.stat-num{font-size:2.6rem;font-weight:900;color:var(--text-white);line-height:1.2;letter-spacing:-0.5px}
.stat-num span{color:var(--accent)}
.stat-label{font-size:0.92rem;color:var(--text-muted);margin-top:6px}
@media(max-width:860px){.stats-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.stats-grid{grid-template-columns:1fr 1fr;gap:14px}}
/* ===== FAQ ===== */
.faq-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--bg-card);border-radius:var(--radius-md);border:1px solid var(--border-light);overflow:hidden;transition:var(--transition)}
.faq-item:hover{border-color:rgba(201,168,76,0.12)}
.faq-q{display:flex;align-items:center;justify-content:space-between;padding:20px 28px;cursor:pointer;gap:16px;transition:var(--transition);user-select:none}
.faq-q span{font-size:1rem;font-weight:600;color:var(--text-white);line-height:1.4}
.faq-q i{font-size:18px;color:var(--accent);transition:var(--transition);flex-shrink:0}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{padding:0 28px 0;max-height:0;overflow:hidden;transition:max-height 0.4s ease, padding 0.3s ease}
.faq-item.open .faq-a{max-height:320px;padding:0 28px 24px}
.faq-a p{font-size:0.95rem;color:var(--text-muted);line-height:1.7}
/* ===== CTA ===== */
.cta-section{background:var(--primary);position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center center/cover no-repeat;opacity:0.08;z-index:0}
.cta-section .container{position:relative;z-index:1;text-align:center;padding:80px 24px}
.cta-title{font-size:clamp(1.8rem,3vw,2.6rem);font-weight:800;color:var(--text-white);line-height:1.2;margin-bottom:16px}
.cta-desc{font-size:1.05rem;color:var(--text-muted-light);max-width:600px;margin:0 auto 32px;line-height:1.7}
.cta-btn{display:inline-flex;align-items:center;gap:10px;padding:18px 44px;border-radius:40px;font-size:18px;font-weight:700;background:linear-gradient(135deg,var(--accent-dark),var(--accent));color:var(--primary);box-shadow:0 6px 28px rgba(201,168,76,0.2);transition:var(--transition);border:2px solid transparent}
.cta-btn:hover{transform:translateY(-3px) scale(1.02);box-shadow:0 12px 44px rgba(201,168,76,0.35);color:var(--primary)}
.cta-btn i{transition:var(--transition)}
.cta-btn:hover i{transform:translateX(4px)}
/* ===== Footer ===== */
.footer{background:var(--primary);border-top:1px solid var(--border-light);padding:60px 0 0}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-brand .logo{font-size:22px;margin-bottom:16px;display:inline-flex}
.footer-brand p{font-size:0.92rem;color:var(--text-muted);line-height:1.7;max-width:360px}
.footer-col h4{font-size:1rem;font-weight:700;color:var(--text-white);margin-bottom:18px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:'';position:absolute;bottom:0;left:0;width:32px;height:2px;background:var(--accent);border-radius:2px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col ul li a{font-size:0.92rem;color:var(--text-muted);transition:var(--transition);display:flex;align-items:center;gap:8px}
.footer-col ul li a:hover{color:var(--accent);transform:translateX(4px)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;padding:24px 0;border-top:1px solid var(--border-light);font-size:0.85rem;color:var(--text-muted);gap:12px}
.footer-bottom a{color:var(--text-muted)}
.footer-bottom a:hover{color:var(--accent)}
@media(max-width:860px){.footer-inner{grid-template-columns:1fr 1fr;gap:32px}}
@media(max-width:520px){.footer-inner{grid-template-columns:1fr;gap:28px}}
/* ===== 工具类 ===== */
.text-center{text-align:center}
.mt-16{margin-top:16px}
.mt-24{margin-top:24px}
.mt-32{margin-top:32px}
.mb-16{margin-bottom:16px}
.mb-24{margin-bottom:24px}
.gap-8{gap:8px}
.flex-center{display:flex;align-items:center;justify-content:center}
/* ===== 响应式补丁 ===== */
@media(max-width:768px){
  .section{padding:60px 0}
  .section-header{margin-bottom:36px}
  .hero-title{font-size:clamp(2rem,8vw,2.8rem)}
  .hero-sub{font-size:1rem}
  .hero-btn{padding:14px 28px;font-size:15px;width:100%;justify-content:center}
  .hero-actions{flex-direction:column}
  .stat-num{font-size:2rem}
  .process-card{padding:28px 20px}
  .feature-card{padding:30px 22px}
}
@media(max-width:480px){
  .hero-stats{flex-direction:column;gap:16px}
  .hero-stat-item{align-items:center;text-align:center}
  .stats-grid{grid-template-columns:1fr 1fr}
  .faq-q{padding:16px 20px}
  .faq-a{padding:0 20px}
  .faq-item.open .faq-a{padding:0 20px 18px}
}