/* roulang page: index */
:root{
  --primary:#0d1b3e;
  --primary-light:#16294d;
  --primary-dark:#081228;
  --accent:#d4a853;
  --accent-light:#e6c57a;
  --accent-dark:#b88a35;
  --accent-rgb:212,168,83;
  --bg:#f4f7fb;
  --bg-deep:#0d1b3e;
  --card:#ffffff;
  --text:#14213d;
  --text-body:#3e4e66;
  --text-light:#7c8aa0;
  --border:#e4ebf3;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(13,27,62,.08);
  --shadow-lg:0 24px 60px rgba(13,27,62,.14);
  --shadow-accent:0 10px 30px rgba(212,168,83,.28);
  --transition:all .3s ease;
  --container:1200px;
  --header-h:76px;
  --font-main:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-main);line-height:1.7;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block;border-radius:var(--radius)}
a{color:inherit;text-decoration:none;transition:var(--transition)}
a:hover{color:var(--accent)}
ul,ol{list-style:none}
button,input{font-family:inherit;font-size:inherit;border:none;outline:none;background:none}
button{cursor:pointer}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%}
.section{padding:96px 0;position:relative}
.section-head{text-align:center;max-width:760px;margin:0 auto 60px;padding:0 16px}
.section-head .eyebrow{display:inline-block;font-size:14px;letter-spacing:2px;color:var(--accent);font-weight:600;text-transform:uppercase;margin-bottom:12px;background:rgba(212,168,83,.12);padding:6px 18px;border-radius:30px}
.section-head h2{font-size:clamp(28px,4vw,42px);font-weight:800;line-height:1.3;color:var(--primary);letter-spacing:-.5px}
.section-head h2 span{color:var(--accent)}
.section-head p{color:var(--text-body);font-size:16px;margin-top:16px;line-height:1.8}
.section-light{background:#fff}
.section-dark{background:var(--bg-deep);color:#fff}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 34px;border-radius:50px;font-weight:600;font-size:15px;transition:var(--transition);line-height:1;white-space:nowrap;border:2px solid transparent}
.btn-primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-accent)}
.btn-primary:hover{background:var(--accent-light);color:#fff;transform:translateY(-2px);box-shadow:0 16px 40px rgba(212,168,83,.38)}
.btn-outline{border-color:rgba(255,255,255,.7);color:#fff;background:transparent}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.1);color:#fff;transform:translateY(-2px)}
.btn-outline-dark{border-color:rgba(13,27,62,.3);color:var(--primary)}
.btn-outline-dark:hover{border-color:var(--accent);color:var(--accent);background:rgba(212,168,83,.06)}
.btn-dark{background:var(--primary);color:#fff}
.btn-dark:hover{background:var(--primary-light);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.tag{display:inline-flex;align-items:center;padding:5px 14px;border-radius:30px;font-size:13px;font-weight:600;background:rgba(212,168,83,.14);color:var(--accent-dark);line-height:1.4;margin:0}
.tag-dark{background:rgba(255,255,255,.12);color:var(--accent-light)}
.site-header{position:fixed;inset:0 0 auto 0;z-index:1000;height:var(--header-h);background:rgba(255,255,255,.78);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(255,255,255,.4);transition:var(--transition)}
.site-header .container{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.site-header.scrolled{background:rgba(255,255,255,.96);box-shadow:0 4px 30px rgba(13,27,62,.08);border-bottom-color:transparent}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:var(--primary);line-height:1.2;letter-spacing:.3px}
.logo .logo-mark{width:40px;height:40px;background:linear-gradient(135deg,var(--primary),var(--primary-light));border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--accent);box-shadow:0 4px 14px rgba(13,27,62,.25);flex-shrink:0}
.logo .logo-sub{display:block;font-size:12px;font-weight:500;color:var(--text-light);letter-spacing:.5px}
.site-nav{display:flex;align-items:center;gap:8px}
.site-nav a{padding:10px 18px;border-radius:30px;font-size:15px;font-weight:500;color:var(--text-body);transition:var(--transition)}
.site-nav a:hover{color:var(--primary);background:rgba(13,27,62,.06)}
.site-nav a.active{color:var(--primary);font-weight:600;background:rgba(13,27,62,.08)}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-search{display:flex;align-items:center;background:rgba(255,255,255,.9);border-radius:30px;padding:8px 16px;border:1px solid var(--border);transition:var(--transition)}
.nav-search:focus-within{border-color:var(--accent);box-shadow:0 0 0 4px rgba(212,168,83,.14)}
.nav-search input{width:140px;font-size:14px;color:var(--text);background:transparent}
.nav-search input::placeholder{color:var(--text-light)}
.nav-search svg{fill:none;stroke:var(--text-light);stroke-width:2;width:16px;height:16px;flex-shrink:0}
.menu-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);background:rgba(255,255,255,.9);align-items:center;justify-content:center;flex-direction:column;gap:5px;transition:var(--transition)}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--primary);border-radius:2px;transition:var(--transition)}
.menu-toggle:hover{border-color:var(--accent)}
.menu-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.hero{min-height:100vh;display:flex;align-items:center;position:relative;background:linear-gradient(135deg,rgba(13,27,62,.93) 0%,rgba(13,27,62,.8) 45%,rgba(13,27,62,.65) 100%),url('/assets/images/backpic/back-1.png') center/cover no-repeat;color:#fff;padding-top:calc(var(--header-h) + 40px);overflow:hidden}
.hero::after{content:'';position:absolute;bottom:0;left:0;right:0;height:200px;background:linear-gradient(transparent,rgba(244,247,251,1));pointer-events:none}
.hero-content{max-width:820px;position:relative;z-index:2;padding-bottom:60px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);backdrop-filter:blur(8px);padding:8px 20px;border-radius:40px;font-size:14px;font-weight:500;margin-bottom:28px;color:#fff}
.hero-badge .dot{width:8px;height:8px;background:var(--accent);border-radius:50%;box-shadow:0 0 10px rgba(212,168,83,.8);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.3);opacity:.6}}
.hero h1{font-size:clamp(36px,6vw,64px);font-weight:900;line-height:1.18;letter-spacing:-1px;margin-bottom:20px}
.hero h1 span{color:var(--accent)}
.hero-desc{font-size:clamp(16px,2vw,20px);color:rgba(255,255,255,.88);line-height:1.8;max-width:640px;margin-bottom:38px}
.hero-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:52px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:520px}
.hero-stat{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius);padding:20px 24px;backdrop-filter:blur(12px);transition:var(--transition)}
.hero-stat:hover{background:rgba(255,255,255,.14);transform:translateY(-4px)}
.hero-stat .num{font-size:30px;font-weight:800;color:var(--accent);line-height:1.2}
.hero-stat .label{font-size:13px;color:rgba(255,255,255,.75);margin-top:4px}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.about-media{position:relative}
.about-media img{border-radius:24px;box-shadow:var(--shadow-lg);object-fit:cover;width:100%}
.about-media::before{content:'';position:absolute;top:-20px;left:-20px;width:120px;height:120px;border-radius:24px;background:rgba(212,168,83,.18);z-index:-1}
.about-media::after{content:'';position:absolute;bottom:-18px;right:-18px;width:100px;height:100px;border-radius:24px;background:rgba(13,27,62,.08);z-index:-1}
.about-content .section-head{text-align:left;margin-bottom:28px;padding:0}
.about-content h2{font-size:clamp(26px,3.4vw,36px);font-weight:800;color:var(--primary);line-height:1.3;margin-bottom:14px}
.about-content p{color:var(--text-body);font-size:16px;line-height:1.8;margin-bottom:18px}
.about-tags{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}
.about-points{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px}
.about-point{background:var(--card);border-radius:var(--radius);padding:20px 16px;border:1px solid var(--border);text-align:center;transition:var(--transition);box-shadow:var(--shadow)}
.about-point:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(212,168,83,.4)}
.about-point .icon{width:48px;height:48px;margin:0 auto 12px;border-radius:14px;background:linear-gradient(135deg,var(--primary),var(--primary-light));display:flex;align-items:center;justify-content:center;color:var(--accent);font-size:20px;box-shadow:0 4px 14px rgba(13,27,62,.2)}
.about-point h4{font-size:14px;font-weight:600;color:var(--primary);margin-bottom:6px}
.about-point p{font-size:12px;color:var(--text-light);line-height:1.5;margin:0}
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-card{background:var(--card);border-radius:var(--radius-lg,20px);padding:32px 26px;border:1px solid var(--border);box-shadow:var(--shadow);transition:var(--transition);position:relative;overflow:hidden}
.feature-card::after{content:'';position:absolute;top:0;right:0;width:90px;height:90px;border-radius:0 0 0 50%;background:linear-gradient(135deg,rgba(212,168,83,.1),transparent)}
.feature-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:rgba(212,168,83,.35)}
.feature-card .icon{width:56px;height:56px;border-radius:18px;background:linear-gradient(135deg,var(--primary),var(--primary-light));display:flex;align-items:center;justify-content:center;font-size:26px;color:var(--accent);margin-bottom:20px;box-shadow:0 6px 18px rgba(13,27,62,.25)}
.feature-card h3{font-size:18px;font-weight:700;color:var(--primary);margin-bottom:12px;line-height:1.4}
.feature-card p{font-size:14px;color:var(--text-body);line-height:1.7}
.category-section{position:relative;background:linear-gradient(135deg,rgba(13,27,62,.92),rgba(13,27,62,.78)),url('/assets/images/coverpic/cover-2.png') center/cover no-repeat;color:#fff;padding:96px 0}
.category-container{display:grid;grid-template-columns:1.2fr 1fr;gap:50px;align-items:center}
.category-info h2{font-size:clamp(26px,3.4vw,38px);font-weight:800;line-height:1.3;margin-bottom:18px}
.category-info h2 span{color:var(--accent)}
.category-info p{color:rgba(255,255,255,.85);font-size:16px;line-height:1.8;margin-bottom:18px}
.category-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.category-badges span{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);padding:6px 16px;border-radius:30px;font-size:14px;color:#fff}
.category-card{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);border-radius:20px;padding:32px;backdrop-filter:blur(12px);transition:var(--transition);display:block}
.category-card:hover{transform:translateY(-6px);background:rgba(255,255,255,.16);border-color:rgba(212,168,83,.5)}
.category-card .cat-icon{font-size:38px;margin-bottom:16px}
.category-card h3{font-size:22px;font-weight:700;margin-bottom:10px;color:#fff}
.category-card p{font-size:14px;color:rgba(255,255,255,.8);line-height:1.7;margin-bottom:20px}
.category-card .cat-link{display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-weight:600;font-size:15px}
.category-card .cat-link svg{width:16px;height:16px;transition:var(--transition)}
.category-card:hover .cat-link svg{transform:translateX(5px)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{background:var(--card);border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow);overflow:hidden;transition:var(--transition);display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(212,168,83,.35)}
.news-card-body{padding:24px;display:flex;flex-direction:column;flex:1}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.news-date{font-size:13px;color:var(--text-light)}
.news-card h3{font-size:17px;font-weight:700;color:var(--primary);line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:var(--transition)}
.news-card:hover h3{color:var(--accent-dark)}
.news-card p{font-size:14px;color:var(--text-body);line-height:1.7;margin-bottom:18px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-link{margin-top:auto;font-size:14px;font-weight:600;color:var(--accent);display:inline-flex;align-items:center;gap:6px}
.news-link svg{width:14px;height:14px;transition:var(--transition)}
.news-card:hover .news-link svg{transform:translateX(5px)}
.empty-state{grid-column:1/-1;text-align:center;padding:60px 20px;background:var(--card);border-radius:var(--radius);border:1px dashed var(--border);color:var(--text-light)}
.empty-state p{font-size:16px}
.stats-section{background:linear-gradient(135deg,var(--primary-dark),var(--primary-light)),url('/assets/images/backpic/back-2.png') center/cover no-repeat;background-blend-mode:overlay;color:#fff;padding:80px 0;position:relative}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;text-align:center}
.stat-item{position:relative;padding:24px 16px}
.stat-item::after{content:'';position:absolute;right:0;top:20%;bottom:20%;width:1px;background:rgba(255,255,255,.1)}
.stat-item:last-child::after{display:none}
.stat-item .num{font-size:clamp(32px,4vw,50px);font-weight:900;color:var(--accent);line-height:1.2}
.stat-item .num sup{font-size:22px;font-weight:600;color:rgba(255,255,255,.6)}
.stat-item .label{font-size:15px;color:rgba(255,255,255,.8);margin-top:6px}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;position:relative;margin-top:40px}
.process-step{text-align:center;position:relative;padding:0 12px}
.process-step .step-num{width:56px;height:56px;margin:0 auto 20px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:var(--accent);font-size:22px;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(13,27,62,.22);position:relative;z-index:2}
.process-step .step-num::after{content:'';position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:44px;height:44px;border-radius:50%;border:2px dashed rgba(212,168,83,.4);z-index:-1;animation:spin 20s linear infinite}
@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg)}}
.process-step h3{font-size:17px;font-weight:700;color:var(--primary);margin-bottom:10px}
.process-step p{font-size:14px;color:var(--text-body);line-height:1.7}
.process-line{content:'';position:absolute;top:28px;left:12%;right:12%;height:2px;background:linear-gradient(90deg,var(--border),rgba(212,168,83,.3),var(--border));z-index:1}
.faq-grid{max-width:860px;margin:0 auto;display:grid;gap:16px}
.faq-item{background:var(--card);border-radius:var(--radius);border:1px solid var(--border);overflow:hidden;transition:var(--transition)}
.faq-item:hover{border-color:rgba(212,168,83,.3);box-shadow:var(--shadow)}
.faq-question{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 26px;cursor:pointer;font-size:16px;font-weight:600;color:var(--primary);transition:var(--transition)}
.faq-question .faq-icon{width:32px;height:32px;border-radius:50%;background:rgba(212,168,83,.12);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:var(--transition);color:var(--accent-dark)}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--accent);color:#fff}
.faq-icon svg{width:16px;height:16px}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s ease;padding:0 26px;color:var(--text-body);font-size:15px;line-height:1.8}
.faq-item.open .faq-answer{max-height:280px;padding-bottom:24px}
.cta-section{background:linear-gradient(135deg,rgba(13,27,62,.94),rgba(13,27,62,.82)),url('/assets/images/backpic/back-3.png') center/cover no-repeat;color:#fff;text-align:center;padding:90px 0}
.cta-content{max-width:680px;margin:0 auto;padding:0 24px}
.cta-content h2{font-size:clamp(28px,4vw,44px);font-weight:800;line-height:1.3;margin-bottom:18px}
.cta-content h2 span{color:var(--accent)}
.cta-content p{font-size:16px;color:rgba(255,255,255,.85);line-height:1.8;margin-bottom:36px}
.cta-content .btn{margin:6px}
.site-footer{background:var(--primary-dark);color:rgba(255,255,255,.8);padding:64px 0 0}
.footer-main{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:48px;padding-bottom:48px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:340px}
.footer-col h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:18px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:rgba(255,255,255,.65);font-size:14px;transition:var(--transition)}
.footer-col a:hover{color:var(--accent);padding-left:4px}
.footer-bottom{padding:24px 0;text-align:center;font-size:13px;color:rgba(255,255,255,.4)}
.footer-bottom a{color:rgba(255,255,255,.5)}
.footer-bottom a:hover{color:var(--accent)}
@media (max-width:1024px){
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr;gap:48px}
  .category-container{grid-template-columns:1fr;gap:40px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .stat-item::after{display:none}
  .process-grid{grid-template-columns:repeat(2,1fr);gap:40px}
  .process-line{display:none}
  .footer-main{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .section{padding:72px 0}
  .site-header .nav-cta{display:none}
  .site-header{height:64px}
  .hero{padding-top:calc(64px + 24px)}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:12px}
  .hero-stat{padding:14px}
  .hero-stat .num{font-size:24px}
  .about-points{grid-template-columns:repeat(3,1fr)}
  .menu-toggle{display:flex}
  .site-nav{position:fixed;top:64px;left:0;right:0;background:rgba(255,255,255,.98);backdrop-filter:blur(20px);flex-direction:column;align-items:stretch;padding:16px 24px 24px;border-bottom:1px solid var(--border);transform:translateY(-120%);transition:var(--transition);pointer-events:none;box-shadow:0 20px 40px rgba(13,27,62,.1)}
  .site-nav.open{transform:translateY(0);pointer-events:auto}
  .site-nav a{padding:12px 18px;border-radius:10px;font-size:15px;text-align:left}
  .news-grid{grid-template-columns:1fr}
  .footer-main{grid-template-columns:1fr;gap:36px}
}
@media (max-width:520px){
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{justify-content:center}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:8px}
  .hero-stat .num{font-size:20px}
  .hero-stat .label{font-size:12px}
  .about-points{grid-template-columns:1fr}
  .features-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr}
  .process-grid{grid-template-columns:1fr;gap:32px}
  .footer-main{grid-template-columns:1fr}
  .btn{padding:12px 24px;font-size:14px}
}

/* roulang page: article */
:root{
  --primary:#1e3a8a;
  --primary-mid:#3b82f6;
  --primary-light:#dbeafe;
  --accent:#f59e0b;
  --accent-light:#fef3c7;
  --green:#10b981;
  --bg:#f1f5f9;
  --bg-white:#ffffff;
  --bg-dark:#0f172a;
  --text:#1e293b;
  --text-muted:#64748b;
  --text-light:#94a3b8;
  --border:#e2e8f0;
  --radius:16px;
  --radius-sm:10px;
  --radius-lg:24px;
  --shadow-sm:0 1px 3px rgba(15,23,42,.06);
  --shadow-md:0 10px 30px rgba(15,23,42,.08);
  --shadow-lg:0 20px 50px rgba(15,23,42,.12);
  --transition:.3s cubic-bezier(.4,0,.2,1);
  --font-base:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-base);background:var(--bg);color:var(--text);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--primary-mid)}
ul,ol{margin:0;padding:0;list-style:none}
p{margin:0 0 16px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.btn-primary{display:inline-flex;align-items:center;gap:8px;background:var(--primary);color:#fff;border:none;padding:12px 28px;border-radius:999px;font-size:15px;font-weight:600;cursor:pointer;transition:var(--transition)}
.btn-primary:hover{background:var(--primary-mid);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(30,58,138,.25)}
.btn-light{display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--primary);border:none;padding:12px 28px;border-radius:999px;font-size:15px;font-weight:600;cursor:pointer;transition:var(--transition)}
.btn-light:hover{background:var(--primary-light);transform:translateY(-2px);box-shadow:0 12px 24px rgba(255,255,255,.2)}
.badge{display:inline-block;background:var(--primary-light);color:var(--primary);font-size:13px;font-weight:600;padding:4px 14px;border-radius:999px}
.tag{display:inline-block;background:var(--bg);color:var(--text-muted);font-size:13px;padding:6px 16px;border-radius:999px;border:1px solid var(--border);margin:4px 6px 0 0}
.muted{color:var(--text-muted);font-size:14px}

/* ===== 导航 ===== */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(15,23,42,.55);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid rgba(255,255,255,.08);transition:var(--transition)}
.site-header.scrolled{background:rgba(15,23,42,.92);box-shadow:0 8px 30px rgba(0,0,0,.25)}
.nav-container{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:#fff;letter-spacing:.5px}
.logo:hover{color:#fff;opacity:.9}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;background:linear-gradient(135deg,var(--accent),#f59e0b);color:#fff;border-radius:10px;font-size:20px;font-weight:800;box-shadow:0 6px 16px rgba(245,158,11,.4)}
.site-nav{display:flex;align-items:center;gap:8px}
.site-nav a{color:rgba(255,255,255,.8);font-size:15px;font-weight:500;padding:8px 18px;border-radius:999px;transition:var(--transition)}
.site-nav a:hover{color:#fff;background:rgba(255,255,255,.1)}
.site-nav a.active{color:#fff;background:rgba(255,255,255,.18);font-weight:600}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;border-radius:8px}
.nav-toggle span{display:block;width:24px;height:2px;background:#fff;border-radius:4px;transition:var(--transition)}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== Hero Banner ===== */
.article-hero{position:relative;padding:180px 0 90px;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;color:#fff;text-align:center}
.article-hero::before{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,23,42,.72) 0%,rgba(15,23,42,.55) 60%,var(--bg) 100%)}
.hero-content{position:relative;z-index:2;max-width:820px;margin:0 auto}
.hero-badge{display:inline-block;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.3);color:#fff;font-size:13px;font-weight:600;padding:6px 20px;border-radius:999px;margin-bottom:20px;backdrop-filter:blur(8px)}
.article-hero h1{font-size:42px;line-height:1.25;font-weight:800;margin:0 0 20px;letter-spacing:-.5px}
.hero-desc{font-size:16px;line-height:1.8;color:rgba(255,255,255,.85);max-width:640px;margin:0 auto 24px}
.hero-meta{display:flex;align-items:center;justify-content:center;gap:12px;font-size:14px;color:rgba(255,255,255,.7)}
.hero-meta time{color:rgba(255,255,255,.75)}

/* ===== 面包屑 ===== */
.breadcrumb{background:var(--bg-white);border-bottom:1px solid var(--border);padding:14px 0}
.breadcrumb .container{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:14px}
.breadcrumb a{color:var(--text-muted);font-weight:500}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:var(--text-light)}
.breadcrumb .current{color:var(--text);font-weight:600;max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ===== 文章详情布局 ===== */
.article-layout{display:grid;grid-template-columns:1fr 340px;gap:40px;padding:50px 0 70px}
.article-main{background:var(--bg-white);border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-sm);padding:48px 48px 40px}
.article-body{font-size:16px;line-height:2;color:var(--text)}
.article-body p{margin-bottom:22px}
.article-body h2{font-size:28px;font-weight:700;margin:36px 0 16px;color:var(--bg-dark);line-height:1.4}
.article-body h3{font-size:22px;font-weight:700;margin:30px 0 12px;color:var(--bg-dark)}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:24px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:8px}
.article-body blockquote{border-left:4px solid var(--primary);background:var(--primary-light);padding:18px 24px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:24px 0;font-style:normal;color:var(--bg-dark)}
.article-body img{border-radius:var(--radius);margin:24px 0;box-shadow:var(--shadow-md)}
.article-body code{background:var(--bg);padding:2px 8px;border-radius:6px;font-size:14px;color:var(--primary)}
.article-tags{margin-top:40px;padding-top:24px;border-top:1px solid var(--border)}
.article-tags .label{font-size:14px;font-weight:600;color:var(--text-muted);margin-right:8px}
.article-tags .tag{background:var(--bg);border:1px solid var(--border);color:var(--text-muted);font-size:13px;padding:6px 16px;border-radius:999px;display:inline-block;margin:4px 6px 0 0;transition:var(--transition)}
.article-tags .tag:hover{border-color:var(--primary-mid);color:var(--primary);background:var(--primary-light)}
.article-empty{text-align:center;padding:80px 30px}
.article-empty .empty-icon{display:inline-flex;align-items:center;justify-content:center;width:72px;height:72px;background:var(--accent-light);color:var(--accent);font-size:36px;font-weight:700;border-radius:50%;margin-bottom:24px}
.article-empty h2{font-size:30px;color:var(--bg-dark);margin:0 0 16px}
.article-empty p{color:var(--text-muted);margin-bottom:28px;font-size:15px;max-width:400px;margin-left:auto;margin-right:auto}

/* ===== 侧边栏 ===== */
.sidebar{display:flex;flex-direction:column;gap:28px}
.sidebar-card{background:var(--bg-white);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:28px}
.sidebar-card h3{font-size:18px;font-weight:700;color:var(--bg-dark);margin:0 0 20px;padding-bottom:14px;border-bottom:2px solid var(--primary-light);display:flex;align-items:center;gap:10px}
.sidebar-card h3::before{content:'';display:inline-block;width:4px;height:20px;background:var(--primary);border-radius:4px}
.side-list li{margin-bottom:8px;border-bottom:1px solid var(--bg);padding-bottom:8px}
.side-list li:last-child{margin-bottom:0;padding-bottom:0;border-bottom:none}
.side-list a{display:block;padding:10px 12px;border-radius:var(--radius-sm);transition:var(--transition)}
.side-list a:hover{background:var(--primary-light);transform:translateX(4px)}
.side-title{display:block;font-size:14px;font-weight:600;color:var(--text);line-height:1.5}
.side-date{display:block;font-size:12px;color:var(--text-light);margin-top:4px}
.category-list li{margin-bottom:8px}
.category-list a{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--bg);border-radius:var(--radius-sm);font-size:14px;font-weight:600;color:var(--text);transition:var(--transition)}
.category-list a:hover{background:var(--primary-light);color:var(--primary);transform:translateX(4px)}
.category-list a::after{content:'→';font-size:16px;color:var(--text-light);transition:var(--transition)}
.category-list a:hover::after{color:var(--primary);transform:translateX(2px)}
.sidebar-card .desc{font-size:14px;color:var(--text-muted);line-height:1.8;margin:0}

/* ===== 延伸阅读 ===== */
.related-section{padding:70px 0;background:var(--bg)}
.section-head{text-align:center;margin-bottom:48px}
.section-tag{display:inline-block;background:var(--accent-light);color:var(--accent);font-size:13px;font-weight:700;padding:6px 18px;border-radius:999px;margin-bottom:14px;letter-spacing:.5px}
.section-head h2{font-size:34px;font-weight:800;color:var(--bg-dark);margin:0 0 12px;letter-spacing:-.5px}
.section-head p{color:var(--text-muted);font-size:16px;max-width:560px;margin:0 auto}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.related-card{background:var(--bg-white);border-radius:var(--radius-lg);border:1px solid var(--border);overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--transition)}
.related-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.related-img{height:200px;overflow:hidden;background:var(--bg)}
.related-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.related-card:hover .related-img img{transform:scale(1.06)}
.related-body{padding:26px}
.related-body .badge{background:var(--primary-light);color:var(--primary);font-size:12px;font-weight:600;padding:4px 12px;border-radius:999px;margin-bottom:12px}
.related-body h3{font-size:18px;font-weight:700;color:var(--bg-dark);margin:0 0 10px;line-height:1.5}
.related-body p{font-size:14px;color:var(--text-muted);line-height:1.7;margin:0}

/* ===== FAQ ===== */
.faq-section{padding:70px 0;background:var(--bg-white)}
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border:1px solid var(--border);border-radius:var(--radius);padding:26px 30px;margin-bottom:16px;background:var(--bg-white);box-shadow:var(--shadow-sm);transition:var(--transition)}
.faq-item:hover{box-shadow:var(--shadow-md)}
.faq-item h3{font-size:17px;font-weight:700;color:var(--bg-dark);margin:0 0 10px;display:flex;align-items:center;gap:10px}
.faq-item h3::before{content:'';display:block;width:6px;height:22px;background:var(--accent);border-radius:6px;flex-shrink:0}
.faq-item p{font-size:15px;color:var(--text-muted);margin:0;line-height:1.9}

/* ===== CTA ===== */
.cta-section{padding:80px 0 90px;background:var(--bg-dark);position:relative;overflow:hidden}
.cta-section::before{content:'';position:absolute;top:-60px;right:-60px;width:280px;height:280px;border-radius:50%;background:rgba(59,130,246,.15);filter:blur(40px)}
.cta-section::after{content:'';position:absolute;bottom:-80px;left:-40px;width:320px;height:320px;border-radius:50%;background:rgba(245,158,11,.1);filter:blur(50px)}
.cta-box{position:relative;z-index:2;text-align:center;max-width:640px;margin:0 auto;color:#fff}
.cta-box h2{font-size:32px;font-weight:800;margin:0 0 14px}
.cta-box p{color:rgba(255,255,255,.75);font-size:16px;line-height:1.8;margin-bottom:30px}
.cta-box .btn-light{background:#fff;color:var(--bg-dark)}
.cta-box .btn-light:hover{background:var(--primary-light);color:var(--primary)}

/* ===== 页脚 ===== */
.site-footer{background:var(--bg-dark);border-top:1px solid rgba(255,255,255,.06);padding:70px 0 0;color:rgba(255,255,255,.7)}
.footer-main{display:grid;grid-template-columns:1.8fr 1fr 1fr;gap:50px;padding-bottom:50px}
.footer-brand .logo{font-size:20px;margin-bottom:18px}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);max-width:360px;margin:0}
.footer-col h4{color:#fff;font-size:16px;font-weight:700;margin:0 0 20px}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:10px}
.footer-col a{color:rgba(255,255,255,.6);font-size:14px;transition:var(--transition)}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;text-align:center}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.45);margin:0}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:#fff}

/* ===== 响应式 ===== */
@media(max-width:1024px){
  .article-layout{grid-template-columns:1fr;gap:32px}
  .sidebar{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .nav-toggle{display:flex}
  .site-nav{position:fixed;top:72px;right:0;bottom:0;width:280px;background:rgba(15,23,42,.97);backdrop-filter:blur(20px);flex-direction:column;align-items:flex-start;gap:6px;padding:32px 24px;transform:translateX(100%);transition:var(--transition);border-left:1px solid rgba(255,255,255,.1);box-shadow:-20px 0 40px rgba(0,0,0,.3)}
  .site-nav.open{transform:translateX(0)}
  .site-nav a{width:100%;font-size:16px;padding:12px 16px;border-radius:12px}
  .article-hero{padding:150px 0 70px}
  .article-hero h1{font-size:30px}
  .hero-desc{font-size:15px}
  .article-main{padding:32px 24px}
  .sidebar{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr}
  .footer-main{grid-template-columns:1fr;gap:36px}
  .section-head h2{font-size:28px}
  .cta-box h2{font-size:26px}
}
@media(max-width:520px){
  .container{padding:0 18px}
  .article-hero{padding:130px 0 60px}
  .article-hero h1{font-size:24px}
  .article-main{padding:24px 18px;border-radius:var(--radius)}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:18px}
  .related-grid{grid-template-columns:1fr}
  .faq-item{padding:20px}
  .hero-badge{font-size:12px}
  .footer-main{gap:28px;padding-bottom:32px}
}

/* roulang page: category1 */
:root {
    --primary: #0a1628;
    --primary-2: #132338;
    --accent: #f0a500;
    --accent-2: #ffc247;
    --blue: #1e5eff;
    --bg: #f4f6fa;
    --bg-alt: #eef1f7;
    --white: #ffffff;
    --text: #16243a;
    --text-light: #5a6b7d;
    --border: #e4e9f2;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 24px;
    --shadow: 0 8px 30px rgba(10, 22, 40, 0.08);
    --shadow-lg: 0 20px 50px rgba(10, 22, 40, 0.14);
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

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

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

ul,
ol {
    list-style: none;
}

button,
input {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
}

.container {
    max-width: 1220px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 96px 0;
}

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

.section-head {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 56px;
}

.section-tag {
    display: inline-block;
    background: rgba(240, 165, 0, 0.12);
    color: var(--accent);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 2px;
    padding: 6px 18px;
    border-radius: 30px;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.section-head h2 {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.3;
    margin-bottom: 14px;
}

.section-head p {
    font-size: 16px;
    color: var(--text-light);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 15px;
    line-height: 1;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn i {
    font-size: 14px;
}

.btn-primary {
    background: var(--accent);
    color: var(--primary);
    box-shadow: 0 8px 24px rgba(240, 165, 0, 0.35);
}

.btn-primary:hover {
    background: var(--accent-2);
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(240, 165, 0, 0.42);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--white);
    transform: translateY(-2px);
}

.btn:focus-visible {
    outline: 3px solid rgba(30, 94, 255, 0.4);
    outline-offset: 2px;
}

/* ===== Header / Nav ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.35);
    transition: var(--transition);
}

.site-header.scrolled {
    background: rgba(255, 255, 255, 0.96);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 4px 24px rgba(10, 22, 40, 0.07);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 74px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.logo-mark {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-2) 100%);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 800;
    box-shadow: 0 4px 14px rgba(10, 22, 40, 0.25);
}

.logo-text {
    font-size: 18px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.site-nav a {
    display: inline-block;
    padding: 10px 22px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    border-radius: 40px;
    transition: var(--transition);
    position: relative;
}

.site-nav a:hover {
    background: rgba(10, 22, 40, 0.06);
    color: var(--primary);
}

.site-nav a.active {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 16px rgba(10, 22, 40, 0.25);
}

.nav-toggle {
    display: none;
    background: none;
    cursor: pointer;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.85);
}

.nav-toggle i {
    font-size: 20px;
    color: var(--primary);
}

/* ===== Banner ===== */
.page-banner {
    position: relative;
    padding: 190px 0 110px;
    background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
    color: var(--white);
    isolation: isolate;
}

.page-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(10, 22, 40, 0.92) 0%, rgba(10, 22, 40, 0.72) 50%, rgba(10, 22, 40, 0.45) 100%);
    z-index: -1;
}

.banner-content {
    max-width: 760px;
}

.banner-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(240, 165, 0, 0.15);
    border: 1px solid rgba(240, 165, 0, 0.4);
    color: var(--accent-2);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    padding: 7px 18px;
    border-radius: 40px;
    margin-bottom: 24px;
}

.banner-content h1 {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.banner-content p {
    font-size: 18px;
    line-height: 1.8;
    opacity: 0.9;
    max-width: 560px;
    margin-bottom: 32px;
}

.banner-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.banner-meta span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
    padding: 8px 18px;
    border-radius: 40px;
    font-size: 14px;
    font-weight: 500;
}

.banner-meta span i {
    color: var(--accent-2);
}

/* ===== Feature Cards ===== */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 36px 28px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-icon {
    width: 58px;
    height: 58px;
    border-radius: 14px;
    background: rgba(240, 165, 0, 0.12);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}

.feature-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
}

/* ===== News Grid ===== */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

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

.news-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.news-card-img {
    position: relative;
    height: 208px;
    overflow: hidden;
}

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

.news-card:hover .news-card-img img {
    transform: scale(1.05);
}

.news-card-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 22, 40, 0.45) 0%, transparent 50%);
}

.news-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    z-index: 2;
    background: var(--accent);
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    padding: 5px 14px;
    border-radius: 30px;
    box-shadow: 0 4px 12px rgba(240, 165, 0, 0.4);
}

.news-card-body {
    padding: 26px 24px 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.news-card-body h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.5;
    margin-bottom: 12px;
    transition: var(--transition);
}

.news-card:hover .news-card-body h3 {
    color: var(--accent);
}

.news-card-body p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.news-meta {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-light);
}

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

/* ===== Tags ===== */
.tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    justify-content: center;
    max-width: 720px;
    margin: 0 auto;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    border: 1px solid var(--border);
    padding: 10px 22px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    box-shadow: 0 2px 8px rgba(10, 22, 40, 0.04);
    transition: var(--transition);
}

.tag:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(10, 22, 40, 0.2);
}

.tag i {
    color: var(--accent);
    transition: var(--transition);
}

.tag:hover i {
    color: var(--accent-2);
}

/* ===== Ranking ===== */
.ranking-wrapper {
    max-width: 860px;
    margin: 0 auto;
}

.ranking-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ranking-item {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 20px 24px;
    transition: var(--transition);
    cursor: default;
}

.ranking-item:hover {
    background: var(--primary);
    border-color: var(--primary);
    box-shadow: 0 12px 32px rgba(10, 22, 40, 0.22);
    transform: translateX(6px);
}

.ranking-num {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    border-radius: 12px;
    background: rgba(240, 165, 0, 0.12);
    color: var(--accent);
    font-size: 18px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ranking-item:nth-child(1) .ranking-num {
    background: var(--accent);
    color: var(--primary);
}

.ranking-item:nth-child(2) .ranking-num {
    background: #dfe4f0;
    color: var(--primary);
}

.ranking-item:nth-child(3) .ranking-num {
    background: #e8dcc5;
    color: var(--primary);
}

.ranking-content {
    flex: 1;
}

.ranking-content h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
    line-height: 1.5;
    transition: var(--transition);
}

.ranking-item:hover .ranking-content h4 {
    color: var(--white);
}

.ranking-cat {
    font-size: 13px;
    color: var(--text-light);
    transition: var(--transition);
}

.ranking-item:hover .ranking-cat {
    color: rgba(255, 255, 255, 0.7);
}

.ranking-item > i {
    color: var(--border);
    transition: var(--transition);
}

.ranking-item:hover > i {
    color: var(--accent);
}

/* ===== Stats ===== */
.stats-section {
    position: relative;
    background: linear-gradient(135deg, #0d1f38 0%, #132338 55%, #1a2d4a 100%);
    color: var(--white);
    overflow: hidden;
    padding: 100px 0;
}

.stats-section::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(240, 165, 0, 0.18) 0%, transparent 70%);
    pointer-events: none;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    text-align: center;
    position: relative;
    z-index: 2;
}

.stat-item span {
    font-size: 52px;
    font-weight: 800;
    color: var(--accent);
    display: block;
    line-height: 1.2;
    margin-bottom: 8px;
    font-family: "DIN Alternate", "PingFang SC", sans-serif;
}

.stat-item p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.75);
    letter-spacing: 1px;
}

.stat-divider {
    width: 40px;
    height: 3px;
    background: var(--accent);
    margin: 0 auto 16px;
    border-radius: 2px;
}

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

.faq-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 14px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: #cdd6e6;
    box-shadow: 0 4px 16px rgba(10, 22, 40, 0.06);
}

.faq-item.active {
    border-color: var(--accent);
    box-shadow: 0 6px 24px rgba(240, 165, 0, 0.12);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 22px 26px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
    line-height: 1.4;
    transition: var(--transition);
}

.faq-question i {
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: rgba(240, 165, 0, 0.12);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(45deg);
    background: var(--accent);
    color: var(--primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.45s ease;
    padding: 0 26px;
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.8;
}

.faq-item.active .faq-answer {
    max-height: 260px;
    padding: 0 26px 24px;
}

/* ===== CTA ===== */
.cta-section {
    padding: 100px 0;
    background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
    position: relative;
    isolation: isolate;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(10, 22, 40, 0.88);
    z-index: -1;
}

.cta-box {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    color: var(--white);
}

.cta-box h2 {
    font-size: 38px;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 18px;
}

.cta-box p {
    font-size: 17px;
    opacity: 0.85;
    line-height: 1.7;
    margin-bottom: 36px;
}

.cta-form {
    display: flex;
    gap: 12px;
    max-width: 480px;
    margin: 0 auto;
}

.cta-form input {
    flex: 1;
    padding: 14px 24px;
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    background: rgba(255, 255, 255, 0.12);
    color: var(--white);
    font-size: 15px;
    transition: var(--transition);
}

.cta-form input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.cta-form input:focus {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--accent);
}

.cta-form .btn {
    flex-shrink: 0;
}

/* ===== Footer ===== */
.site-footer {
    background: var(--primary);
    color: rgba(255, 255, 255, 0.75);
    padding: 70px 0 30px;
}

.footer-main {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr;
    gap: 50px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .logo {
    margin-bottom: 18px;
}

.footer-brand .logo .logo-mark {
    background: rgba(255, 255, 255, 0.12);
    color: var(--accent);
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    max-width: 360px;
    opacity: 0.7;
}

.footer-col h4 {
    color: var(--white);
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 22px;
    position: relative;
    padding-bottom: 12px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 30px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
}

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

.footer-col ul a {
    font-size: 14px;
    opacity: 0.7;
    transition: var(--transition);
}

.footer-col ul a:hover {
    opacity: 1;
    color: var(--accent);
    padding-left: 4px;
}

.footer-bottom {
    padding-top: 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    font-size: 13px;
    opacity: 0.55;
}

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

.footer-bottom a:hover {
    text-decoration: underline;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 50px;
    }

    .section {
        padding: 80px 0;
    }

    .footer-main {
        grid-template-columns: 1.5fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .site-header .container {
        height: 64px;
    }

    .nav-toggle {
        display: flex;
    }

    .site-nav {
        position: fixed;
        top: 64px;
        right: -100%;
        width: 280px;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(12px);
        border: 1px solid var(--border);
        border-radius: 16px;
        padding: 16px;
        gap: 4px;
        box-shadow: var(--shadow-lg);
        transition: right 0.35s ease;
        z-index: 999;
    }

    .site-nav.open {
        right: 16px;
    }

    .site-nav a {
        display: block;
        text-align: center;
        width: 100%;
    }

    .page-banner {
        padding: 140px 0 80px;
    }

    .banner-content h1 {
        font-size: 34px;
    }

    .banner-content p {
        font-size: 16px;
    }

    .section-head h2 {
        font-size: 28px;
    }

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

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

    .feature-card {
        padding: 24px 18px;
    }

    .cta-box h2 {
        font-size: 30px;
    }

    .cta-form {
        flex-direction: column;
    }

    .footer-main {
        grid-template-columns: 1fr;
        gap: 34px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .ranking-item {
        padding: 16px 18px;
        gap: 14px;
        flex-wrap: wrap;
    }

    .ranking-item > i {
        display: none;
    }

    .ranking-content h4 {
        font-size: 15px;
    }
}

@media (max-width: 520px) {
    .section {
        padding: 64px 0;
    }

    .logo-text {
        font-size: 15px;
    }

    .logo-mark {
        width: 36px;
        height: 36px;
        font-size: 18px;
        border-radius: 10px;
    }

    .banner-content h1 {
        font-size: 28px;
    }

    .banner-meta {
        gap: 8px;
    }

    .banner-meta span {
        padding: 6px 14px;
        font-size: 13px;
    }

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

    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 36px 20px;
    }

    .stat-item span {
        font-size: 38px;
    }

    .tag-cloud {
        gap: 10px;
    }

    .tag {
        padding: 8px 16px;
        font-size: 13px;
    }

    .faq-question {
        padding: 18px 18px;
        font-size: 15px;
    }

    .faq-answer {
        padding: 0 18px;
    }

    .faq-item.active .faq-answer {
        padding: 0 18px 20px;
    }

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

    .cta-form input {
        width: 100%;
    }
}