/* roulang page: index */
:root{
  --primary:#d62b3f;
  --primary-dark:#a81e30;
  --primary-light:#ff6b7a;
  --secondary:#0e1a30;
  --secondary-light:#1b2e4e;
  --accent:#ffb800;
  --bg-page:#f4f6fa;
  --bg-card:#ffffff;
  --bg-soft:#eef1f6;
  --text-main:#161a24;
  --text-muted:#637083;
  --border:#e3e8ef;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:8px;
  --shadow-sm:0 2px 8px rgba(14,26,48,.06);
  --shadow-md:0 8px 30px rgba(14,26,48,.10);
  --shadow-lg:0 20px 50px rgba(14,26,48,.14);
  --transition:.28s cubic-bezier(.4,0,.2,1);
  --container-w:1240px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;line-height:1.7;color:var(--text-main);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--transition)}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input{font-family:inherit}
h1,h2,h3,h4{line-height:1.3;font-weight:700;color:var(--text-main)}
.container{max-width:var(--container-w);margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-header{margin-bottom:44px;text-align:center}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,rgba(214,43,63,.1),rgba(255,184,0,.08));
  color:var(--primary);font-size:13px;font-weight:700;letter-spacing:1px;
  padding:6px 16px;border-radius:100px;margin-bottom:14px;
}
.section-eyebrow i{font-size:12px}
.section-header h2{font-size:34px;letter-spacing:-.5px;margin-bottom:12px}
.section-header p{color:var(--text-muted);max-width:560px;margin:0 auto;font-size:16px}
.grid-x{display:flex;flex-wrap:wrap}
.cell{padding:0 16px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 32px;border-radius:100px;font-size:15px;font-weight:600;
  transition:all var(--transition);line-height:1.2;
}
.btn-primary{
  background:var(--primary);color:#fff;
  box-shadow:0 8px 24px rgba(214,43,63,.32);
}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 14px 30px rgba(214,43,63,.38)}
.btn-outline{
  border:2px solid rgba(255,255,255,.7);color:#fff;
  background:rgba(255,255,255,.08);backdrop-filter:blur(6px);
}
.btn-outline:hover{background:rgba(255,255,255,.16);border-color:#fff;transform:translateY(-2px)}
.btn-dark{
  background:var(--secondary);color:#fff;box-shadow:0 8px 20px rgba(14,26,48,.2);
}
.btn-dark:hover{background:var(--secondary-light);transform:translateY(-2px)}
.btn:focus-visible,.nav-link:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{
  outline:3px solid rgba(214,43,63,.35);outline-offset:2px;
}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(16px);
  box-shadow:0 1px 0 rgba(14,26,48,.06),0 8px 30px rgba(14,26,48,.04);
}
.header-brand-row{
  border-bottom:1px solid rgba(14,26,48,.06);
}
.header-brand-inner{
  display:flex;align-items:center;justify-content:space-between;
  min-height:70px;
}
.brand-logo{
  display:flex;align-items:center;gap:12px;flex-shrink:0;
}
.brand-icon{
  width:42px;height:42px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:20px;
  box-shadow:0 6px 16px rgba(214,43,63,.3);
}
.brand-text{
  font-size:20px;font-weight:800;letter-spacing:-.2px;
  background:linear-gradient(135deg,var(--secondary),var(--primary));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.brand-sub{display:block;font-size:10px;letter-spacing:2px;color:var(--text-muted);font-weight:500;-webkit-text-fill-color:var(--text-muted);text-transform:uppercase}
.header-actions{
  display:flex;align-items:center;gap:16px;
}
.header-search{
  display:flex;align-items:center;background:var(--bg-soft);
  border-radius:100px;padding:4px 6px 4px 16px;border:1px solid transparent;
  transition:border-color var(--transition),box-shadow var(--transition);
  width:240px;
}
.header-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(214,43,63,.12)}
.header-search input{
  border:none;background:transparent;flex:1;font-size:14px;color:var(--text-main);
  outline:none;min-width:0;
}
.header-search button{
  width:34px;height:34px;border-radius:50%;background:var(--primary);color:#fff;
  font-size:13px;display:flex;align-items:center;justify-content:center;
  transition:background var(--transition);
}
.header-search button:hover{background:var(--primary-dark)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  background:var(--bg-soft);color:var(--text-main);font-size:18px;
  align-items:center;justify-content:center;
}
.nav-toggle:hover{background:var(--border)}
.channel-bar{
  border-bottom:1px solid rgba(14,26,48,.05);
  background:rgba(255,255,255,.85);
}
.channel-inner{
  display:flex;align-items:center;gap:4px;min-height:48px;
}
.nav-list{
  display:flex;align-items:center;gap:4px;flex:1;
}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 18px;border-radius:100px;
  font-size:15px;font-weight:600;color:var(--text-main);
  position:relative;transition:all var(--transition);
}
.nav-link i{font-size:14px;color:var(--text-muted);transition:color var(--transition)}
.nav-link:hover{color:var(--primary);background:rgba(214,43,63,.06)}
.nav-link.active{color:#fff;background:var(--primary);box-shadow:0 6px 16px rgba(214,43,63,.28)}
.nav-link.active i{color:rgba(255,255,255,.85)}
.trend-tags{
  display:flex;align-items:center;gap:6px;padding-left:16px;margin-left:16px;
  border-left:1px solid var(--border);flex-shrink:0;
}
.trend-tags span{font-size:12px;color:var(--text-muted);white-space:nowrap}
.trend-tags a{
  font-size:12px;color:var(--secondary);background:var(--bg-soft);
  padding:4px 12px;border-radius:100px;white-space:nowrap;
  transition:all var(--transition);
}
.trend-tags a:hover{background:var(--primary);color:#fff}

/* Hero */
.hero{
  position:relative;padding:110px 0 90px;
  background:
    linear-gradient(115deg,rgba(14,26,48,.95) 30%,rgba(14,26,48,.75) 60%,rgba(214,43,63,.55)),
    url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:#fff;overflow:hidden;
}
.hero::after{
  content:'';position:absolute;bottom:-2px;left:0;right:0;height:40px;
  background:linear-gradient(to bottom,rgba(255,255,255,0),rgba(255,255,255,.08));
  pointer-events:none;
}
.hero-container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:60px;align-items:center}
.hero-title{
  font-size:52px;font-weight:800;line-height:1.18;letter-spacing:-1px;color:#fff;
  margin-bottom:20px;
}
.hero-title span{
  display:block;background:linear-gradient(90deg,var(--accent),#ff6b7a);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.hero-desc{
  font-size:17px;color:rgba(255,255,255,.85);
  max-width:560px;margin-bottom:34px;line-height:1.8;
}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:40px}
.hero-metrics{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;
  border-top:1px solid rgba(255,255,255,.14);padding-top:24px;max-width:480px;
}
.metric-item{padding-right:20px}
.metric-item+.metric-item{padding-left:20px;border-left:1px solid rgba(255,255,255,.12)}
.metric-num{font-size:28px;font-weight:800;color:var(--accent);line-height:1.2}
.metric-label{font-size:13px;color:rgba(255,255,255,.7);margin-top:4px}
.hero-card{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-lg);backdrop-filter:blur(12px);
  padding:28px;box-shadow:0 20px 60px rgba(0,0,0,.25);
}
.hero-card-header{
  display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;
}
.hero-card-header h3{color:#fff;font-size:16px;font-weight:700}
.hero-card-header .tag{
  background:rgba(255,184,0,.2);color:var(--accent);
  font-size:11px;font-weight:700;padding:4px 12px;border-radius:100px;
}
.hero-card-list{display:flex;flex-direction:column;gap:14px}
.hero-card-item{
  display:flex;align-items:center;gap:14px;
  background:rgba(255,255,255,.06);border-radius:12px;padding:12px 14px;
  transition:background var(--transition);
}
.hero-card-item:hover{background:rgba(255,255,255,.12)}
.hero-card-item .ico{
  width:38px;height:38px;border-radius:10px;background:rgba(214,43,63,.2);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px;flex-shrink:0;
}
.hero-card-item .txt{flex:1;min-width:0}
.hero-card-item .txt strong{display:block;color:#fff;font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hero-card-item .txt span{font-size:12px;color:rgba(255,255,255,.6)}

/* 快讯条 */
.ticker-bar{
  background:linear-gradient(90deg,var(--primary),var(--primary-dark));
  color:#fff;overflow:hidden;position:relative;
}
.ticker-inner{
  display:flex;align-items:center;min-height:42px;
}
.ticker-label{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.15);padding:5px 16px;
  border-radius:100px;font-size:12px;font-weight:700;
  margin-right:24px;flex-shrink:0;
}
.ticker-items{
  display:flex;gap:40px;overflow:hidden;white-space:nowrap;flex:1;
}
.ticker-items a{
  font-size:14px;color:rgba(255,255,255,.92);
  display:inline-flex;align-items:center;gap:8px;
  transition:opacity var(--transition);
}
.ticker-items a:hover{opacity:.7}
.ticker-items a i{font-size:10px;opacity:.7}

/* 平台简介 */
.about-section{background:var(--bg-card)}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.about-media{position:relative}
.about-media .main-img{
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);
}
.about-media .main-img img{width:100%;height:380px;object-fit:cover}
.about-media .float-card{
  position:absolute;bottom:-24px;left:-24px;
  background:#fff;border-radius:16px;box-shadow:var(--shadow-lg);
  padding:18px 24px;display:flex;align-items:center;gap:14px;
}
.float-card .icon{
  width:46px;height:46px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:18px;
}
.float-card strong{display:block;font-size:18px;color:var(--text-main)}
.float-card span{font-size:13px;color:var(--text-muted)}
.about-content .section-eyebrow{background:rgba(214,43,63,.08)}
.about-content h2{font-size:32px;margin-bottom:16px}
.about-content .lead{font-size:16px;color:var(--text-muted);margin-bottom:28px}
.about-feat{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.about-feat .feat-item{
  display:flex;gap:12px;align-items:flex-start;
  padding:18px;border-radius:14px;background:var(--bg-soft);
  border:1px solid transparent;transition:all var(--transition);
}
.about-feat .feat-item:hover{border-color:var(--border);background:#fff;box-shadow:var(--shadow-sm)}
.feat-item .feat-ico{
  width:38px;height:38px;border-radius:10px;flex-shrink:0;
  background:rgba(214,43,63,.1);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:15px;
}
.feat-item h4{font-size:15px;font-weight:700;margin-bottom:4px}
.feat-item p{font-size:13px;color:var(--text-muted);line-height:1.6}

/* 分类入口 */
.category-section{background:var(--bg-page)}
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.cat-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  background:#fff;box-shadow:var(--shadow-sm);display:block;
  transition:all var(--transition);
}
.cat-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-6px)}
.cat-card-img{height:200px;position:relative;overflow:hidden}
.cat-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.cat-card:hover .cat-card-img img{transform:scale(1.06)}
.cat-card-img::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(to top,rgba(14,26,48,.55),transparent 60%);
}
.cat-card-ico{
  position:absolute;bottom:-22px;left:24px;z-index:2;
  width:52px;height:52px;border-radius:14px;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;font-size:20px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 24px rgba(214,43,63,.35);
}
.cat-card-body{padding:36px 24px 24px}
.cat-card-body h3{font-size:19px;font-weight:700;margin-bottom:8px}
.cat-card-body p{font-size:14px;color:var(--text-muted);line-height:1.7;margin-bottom:16px}
.cat-card-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-size:14px;font-weight:600;
}
.cat-card-link i{transition:transform var(--transition)}
.cat-card:hover .cat-card-link i{transform:translateX(4px)}

/* 最新资讯 */
.latest-section{background:var(--bg-card)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.news-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  overflow:hidden;transition:all var(--transition);display:flex;flex-direction:column;
}
.news-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);border-color:transparent}
.news-card-img{height:180px;overflow:hidden;position:relative}
.news-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.news-card:hover .news-card-img img{transform:scale(1.05)}
.news-card-body{padding:22px;display:flex;flex-direction:column;flex:1}
.news-card-body .badge{
  align-self:flex-start;background:rgba(214,43,63,.1);color:var(--primary);
  font-size:12px;font-weight:600;padding:4px 12px;border-radius:100px;margin-bottom:12px;
}
.news-card-body h3{font-size:16px;line-height:1.5;margin-bottom:10px}
.news-card-body h3 a:hover{color:var(--primary)}
.news-card-body p{
  font-size:14px;color:var(--text-muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:16px;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--text-muted);
  border-top:1px solid var(--bg-soft);padding-top:14px;
}
.news-meta i{font-size:12px}
.empty-tip{
  text-align:center;padding:60px 0;color:var(--text-muted);
  font-size:16px;background:var(--bg-soft);border-radius:var(--radius-md);
}

/* 精选推荐 */
.featured-section{background:var(--bg-page)}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.feature-card{
  background:#fff;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);display:block;position:relative;
  transition:all var(--transition);
}
.feature-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-6px)}
.feature-card-img{height:200px;overflow:hidden;position:relative}
.feature-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.feature-card:hover .feature-card-img img{transform:scale(1.07)}
.feature-card-img::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(to top,rgba(14,26,48,.35),transparent);
}
.feature-rank{
  position:absolute;top:16px;right:16px;z-index:2;
  width:36px;height:36px;border-radius:10px;
  background:rgba(255,255,255,.2);backdrop-filter:blur(8px);
  color:#fff;font-size:15px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.3);
}
.feature-card-body{padding:22px}
.feature-card-body .tag-row{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.feature-card-body .tag{
  font-size:11px;padding:4px 10px;border-radius:100px;font-weight:600;
}
.tag-red{background:rgba(214,43,63,.1);color:var(--primary)}
.tag-blue{background:rgba(14,26,48,.07);color:var(--secondary)}
.tag-gold{background:rgba(255,184,0,.16);color:#a67c00}
.feature-card-body h3{font-size:16px;line-height:1.45;margin-bottom:8px}
.feature-card-body p{font-size:13px;color:var(--text-muted);line-height:1.65;margin-bottom:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.feature-card-body .meta{font-size:12px;color:var(--text-muted);display:flex;gap:14px}

/* 数据统计 */
.stats-section{
  position:relative;padding:90px 0;
  background:
    linear-gradient(120deg,rgba(14,26,48,.96),rgba(214,43,63,.82)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color:#fff;
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.stat-item{
  text-align:center;padding:28px 16px;
  border-radius:var(--radius-lg);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
  backdrop-filter:blur(8px);
  transition:all var(--transition);
}
.stat-item:hover{background:rgba(255,255,255,.12);transform:translateY(-4px)}
.stat-num{
  font-size:40px;font-weight:800;color:var(--accent);line-height:1.1;
  margin-bottom:8px;
}
.stat-label{font-size:15px;color:rgba(255,255,255,.85)}
.stat-icon{font-size:22px;margin-bottom:10px;color:rgba(255,255,255,.6)}

/* FAQ */
.faq-section{background:var(--bg-card)}
.faq-wrap{max-width:800px;margin:0 auto}
.faq-item{
  border:1px solid var(--border);border-radius:var(--radius-md);
  margin-bottom:16px;overflow:hidden;
  transition:border-color var(--transition),box-shadow var(--transition);
}
.faq-item.active{border-color:var(--primary);box-shadow:var(--shadow-sm)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--text-main);
  text-align:left;transition:color var(--transition);
}
.faq-q:hover{color:var(--primary)}
.faq-q i{font-size:14px;color:var(--text-muted);transition:transform var(--transition)}
.faq-item.active .faq-q{color:var(--primary)}
.faq-item.active .faq-q i{transform:rotate(180deg);color:var(--primary)}
.faq-a{
  padding:0 24px;max-height:0;overflow:hidden;
  transition:max-height .4s ease,padding .4s ease;
}
.faq-item.active .faq-a{
  max-height:400px;padding:0 24px 22px;
}
.faq-a p{font-size:15px;color:var(--text-muted);line-height:1.8}

/* CTA */
.cta-section{
  position:relative;padding:90px 0;text-align:center;overflow:hidden;
  background:
    linear-gradient(135deg,rgba(214,43,63,.82),rgba(14,26,48,.92)),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat;
}
.cta-section h2{color:#fff;font-size:38px;font-weight:800;margin-bottom:16px}
.cta-section p{color:rgba(255,255,255,.85);font-size:17px;max-width:560px;margin:0 auto 36px}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.cta-note{
  margin-top:28px;font-size:13px;color:rgba(255,255,255,.6);
  display:flex;align-items:center;justify-content:center;gap:8px;
}

/* 页脚 */
.site-footer{background:var(--secondary);color:rgba(255,255,255,.7);padding:70px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:50px;padding-bottom:50px}
.footer-brand .brand-logo{margin-bottom:18px}
.footer-brand .brand-text{color:#fff;-webkit-text-fill-color:currentColor;background:none;font-size:22px;font-weight:800}
.footer-brand .brand-icon{background:linear-gradient(135deg,var(--primary),var(--accent))}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:340px}
.footer-col h4{
  color:#fff;font-size:16px;font-weight:700;margin-bottom:20px;
  padding-bottom:12px;position:relative;
}
.footer-col h4::after{
  content:'';position:absolute;left:0;bottom:0;width:30px;height:3px;
  background:var(--primary);border-radius:100px;
}
.footer-col ul li{margin-bottom:12px}
.footer-col ul a{
  font-size:14px;color:rgba(255,255,255,.65);
  transition:color var(--transition),padding-left var(--transition);
  display:inline-flex;align-items:center;gap:8px;
}
.footer-col ul a:hover{color:#fff;padding-left:4px}
.footer-col ul a i{font-size:10px;color:var(--primary)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:24px 0;display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:12px;font-size:13px;color:rgba(255,255,255,.45);
}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:#fff}

/* 响应式 */
@media screen and (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero{padding:80px 0 80px}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .feat-grid{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr;gap:50px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .header-search{width:200px}
}
@media screen and (max-width:768px){
  .section{padding:60px 0}
  .section-header h2{font-size:28px}
  .hero-title{font-size:38px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .channel-bar{display:none}
  .channel-bar.open{display:block}
  .nav-toggle{display:flex}
  .nav-list{flex-direction:column;align-items:flex-start;padding:12px 0}
  .nav-link{width:100%;padding:10px 16px;border-radius:8px}
  .nav-link.active{background:rgba(214,43,63,.08);color:var(--primary);box-shadow:none}
  .trend-tags{display:none}
  .header-search{width:auto;flex:1;max-width:200px}
  .cat-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .feat-grid{grid-template-columns:1fr}
  .about-feat{grid-template-columns:1fr}
  .about-media .float-card{left:0}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .stat-num{font-size:30px}
  .footer-grid{grid-template-columns:1fr;gap:40px}
  .hero-metrics{grid-template-columns:repeat(3,1fr);gap:0}
  .metric-num{font-size:20px}
  .metric-label{font-size:11px}
}
@media screen and (max-width:520px){
  .container{padding:0 16px}
  .brand-text{font-size:17px}
  .brand-icon{width:36px;height:36px;font-size:16px;border-radius:10px}
  .header-actions{gap:8px}
  .header-search{display:none}
  .hero{padding:60px 0 60px}
  .hero-title{font-size:30px}
  .hero-desc{font-size:15px}
  .btn{padding:11px 22px;font-size:14px}
  .hero-cta{gap:10px}
  .hero-metrics{grid-template-columns:1fr 1fr 1fr;padding-top:18px}
  .metric-item{padding-right:12px}
  .metric-item+.metric-item{padding-left:12px}
  .metric-num{font-size:18px}
  .metric-label{font-size:10px}
  .section-header h2{font-size:24px}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stat-item{padding:18px 10px}
  .stat-num{font-size:28px}
  .faq-q{font-size:15px;padding:18px}
  .cta-section h2{font-size:28px}
  .footer-bottom{flex-direction:column;text-align:center}
}

/* roulang page: category1 */
:root {
  --primary: #e63e23;
  --primary-dark: #c92e15;
  --primary-light: #fef0ed;
  --secondary: #f59b00;
  --secondary-light: #fff6e8;
  --bg: #f5f6fa;
  --bg-alt: #ffffff;
  --text: #1a2233;
  --text-weak: #5b6474;
  --text-light: #8a93a5;
  --border: #e6e9ef;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 8px rgba(26, 34, 51, 0.06);
  --shadow-md: 0 6px 24px rgba(26, 34, 51, 0.08);
  --shadow-lg: 0 14px 40px rgba(26, 34, 51, 0.12);
  --space-section: 76px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); background: var(--bg); color: var(--text); line-height: 1.7; font-size: 16px; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: all 0.25s ease; }
ul, ol { list-style: none; }
input, button, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; background: none; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }

/* === Header === */
.site-header { position: sticky; top: 0; z-index: 100; background: #fff; box-shadow: 0 2px 20px rgba(26,34,51,0.06); }
.header-brand-row { border-bottom: 1px solid var(--border); background: #fff; }
.header-brand-inner { display: flex; align-items: center; justify-content: space-between; min-height: 64px; gap: 24px; }
.brand-logo { display: inline-flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; color: var(--text); letter-spacing: 0.5px; }
.brand-logo:hover { color: var(--primary); }
.brand-icon { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; background: var(--primary); color: #fff; border-radius: 10px; font-size: 16px; flex-shrink: 0; }
.header-actions { display: flex; align-items: center; gap: 14px; }
.header-search { display: flex; align-items: center; background: var(--bg); border: 1px solid var(--border); border-radius: 40px; padding: 4px 6px 4px 16px; transition: all 0.3s ease; }
.header-search:focus-within { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(230,62,35,0.12); }
.header-search input { min-width: 200px; font-size: 14px; color: var(--text); background: transparent; }
.header-search input::placeholder { color: var(--text-light); }
.header-search button { width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--text-weak); background: transparent; cursor: pointer; transition: all 0.25s ease; }
.header-search button:hover { background: var(--primary); color: #fff; }
.header-search button i { font-size: 14px; }
.nav-toggle { display: none; width: 42px; height: 42px; border-radius: 10px; border: 1px solid var(--border); color: var(--text); font-size: 18px; cursor: pointer; align-items: center; justify-content: center; transition: all 0.25s ease; }
.nav-toggle:hover { background: var(--primary-light); color: var(--primary); border-color: var(--primary); }

.channel-bar { background: #fff; border-bottom: 1px solid var(--border); }
.channel-inner { display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 50px; }
.nav-list { display: flex; align-items: center; gap: 4px; flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
.nav-list::-webkit-scrollbar { display: none; }
.nav-list .nav-link { display: inline-flex; align-items: center; gap: 7px; padding: 8px 16px; font-size: 15px; font-weight: 500; color: var(--text-weak); border-radius: 8px; white-space: nowrap; transition: all 0.25s ease; }
.nav-list .nav-link i { font-size: 14px; opacity: 0.8; }
.nav-list .nav-link:hover { color: var(--primary); background: var(--primary-light); }
.nav-list .nav-link.active { color: var(--primary); background: var(--primary-light); font-weight: 700; }
.trend-tags { display: flex; align-items: center; gap: 4px; font-size: 13px; white-space: nowrap; }
.trend-tags span { margin-right: 4px; }
.trend-tags a { color: var(--text-weak); padding: 5px 12px; border-radius: 20px; background: var(--bg); border: 1px solid var(--border); font-size: 13px; transition: all 0.25s ease; }
.trend-tags a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* === Page Hero === */
.page-hero { position: relative; padding: 64px 0 56px; background: linear-gradient(135deg, #20263a 0%, #2d3450 55%, #3a2e3c 100%); overflow: hidden; }
.page-hero::before { content: ''; position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-2.png'); background-size: cover; background-position: center; opacity: 0.16; }
.page-hero::after { content: ''; position: absolute; top: -60px; right: -60px; width: 320px; height: 320px; background: radial-gradient(circle, rgba(230,62,35,0.4) 0%, transparent 70%); border-radius: 50%; }
.page-hero .container { position: relative; z-index: 2; }
.page-hero-inner { max-width: 780px; }
.page-hero .hero-eyebrow { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.2); color: #fff; font-size: 13px; font-weight: 600; padding: 6px 16px; border-radius: 30px; margin-bottom: 20px; letter-spacing: 1px; }
.page-hero .hero-eyebrow i { color: var(--secondary); }
.page-hero h1 { font-size: 38px; font-weight: 800; color: #fff; line-height: 1.25; margin-bottom: 16px; letter-spacing: 0.5px; }
.page-hero h1 span { color: var(--secondary); }
.page-hero p { font-size: 16px; color: rgba(255,255,255,0.85); margin-bottom: 28px; line-height: 1.8; max-width: 640px; }
.page-hero .hero-meta { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; font-size: 14px; color: rgba(255,255,255,0.7); }
.page-hero .hero-meta span { display: inline-flex; align-items: center; gap: 6px; }
.page-hero .hero-meta i { color: var(--secondary); }

/* === Breadcrumb === */
.breadcrumb-wrap { padding: 16px 0; background: #fff; border-bottom: 1px solid var(--border); }
.breadcrumb-wrap .container { display: flex; align-items: center; font-size: 14px; color: var(--text-weak); flex-wrap: wrap; gap: 4px; }
.breadcrumb-wrap a { color: var(--text-weak); }
.breadcrumb-wrap a:hover { color: var(--primary); }
.breadcrumb-wrap .sep { margin: 0 8px; color: var(--text-light); }
.breadcrumb-wrap .current { color: var(--primary); font-weight: 600; }

/* === Section Common === */
.section { padding: var(--space-section) 0; }
.section-head { margin-bottom: 36px; display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.section-head .section-title { font-size: 26px; font-weight: 800; color: var(--text); line-height: 1.3; margin-bottom: 8px; }
.section-head .section-title span { color: var(--primary); }
.section-head .section-sub { font-size: 15px; color: var(--text-weak); max-width: 720px; }
.section-head .more-link { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.section-head .more-link:hover { gap: 10px; }

/* === Cards === */
.card { background: #fff; border-radius: var(--radius); border: 1px solid var(--border); overflow: hidden; transition: all 0.3s ease; }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }
.card-cover { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--bg); }
.card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.45s ease; }
.card:hover .card-cover img { transform: scale(1.05); }
.card-cover .tag-badge { position: absolute; top: 12px; left: 12px; z-index: 2; background: rgba(230,62,35,0.92); color: #fff; font-size: 12px; font-weight: 600; padding: 3px 12px; border-radius: 20px; }
.card-body { padding: 20px 22px 22px; }
.card-body h3 { font-size: 17px; font-weight: 700; line-height: 1.5; margin-bottom: 8px; color: var(--text); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; transition: color 0.2s ease; }
.card-body h3 a:hover { color: var(--primary); }
.card-body p { font-size: 14px; color: var(--text-weak); line-height: 1.7; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 14px; }
.card-meta { display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: var(--text-light); padding-top: 12px; border-top: 1px solid var(--border); }
.card-meta span { display: inline-flex; align-items: center; gap: 5px; }
.card-meta i { font-size: 12px; color: var(--primary); }

/* === Feature / Guide Grid === */
.guide-grid .card { display: flex; flex-direction: column; height: 100%; }
.guide-grid .card-body { flex: 1; display: flex; flex-direction: column; }
.guide-grid .card-body .btn-block { margin-top: auto; }
.guide-card-icon { width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 20px; margin-bottom: 14px; background: var(--primary-light); color: var(--primary); }
.guide-card-icon.orange { background: var(--secondary-light); color: var(--secondary); }
.guide-card-icon.blue { background: #ebf1fe; color: #3366ff; }
.guide-card-icon.green { background: #e9f9f0; color: #12b76a; }

/* === Buttons === */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-size: 14px; font-weight: 600; padding: 12px 24px; border-radius: 8px; transition: all 0.3s ease; cursor: pointer; border: none; line-height: 1.4; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 12px rgba(230,62,35,0.25); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(230,62,35,0.35); }
.btn-light { background: #fff; color: var(--text); box-shadow: var(--shadow-sm); }
.btn-light:hover { background: var(--bg); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline-light { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,0.4); }
.btn-outline-light:hover { border-color: #fff; background: rgba(255,255,255,0.1); transform: translateY(-2px); }
.btn-block { display: flex; width: 100%; }

/* === Steps === */
.steps-wrap { display: flex; gap: 24px; flex-wrap: wrap; margin-top: 32px; }
.step-item { flex: 1; min-width: 200px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 24px; position: relative; transition: all 0.3s ease; }
.step-item:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); border-color: transparent; }
.step-num { font-size: 40px; font-weight: 900; color: var(--primary-light); line-height: 1; margin-bottom: 14px; font-style: italic; }
.step-item h3 { font-size: 16px; font-weight: 700; margin-bottom: 10px; }
.step-item p { font-size: 14px; color: var(--text-weak); line-height: 1.7; }
.step-arrow { position: absolute; top: 30px; right: -18px; z-index: 2; color: var(--border); font-size: 18px; }

/* === Info Blocks / Timeline === */
.info-blocks { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.info-block { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; transition: all 0.3s ease; }
.info-block:hover { box-shadow: var(--shadow-md); border-color: transparent; transform: translateY(-3px); }
.info-block-icon { width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 17px; margin-bottom: 16px; }
.info-block h3 { font-size: 17px; font-weight: 700; margin-bottom: 10px; }
.info-block p { font-size: 14px; color: var(--text-weak); line-height: 1.75; }
.info-block ul { margin-top: 12px; }
.info-block ul li { font-size: 13px; color: var(--text-weak); padding: 6px 0; display: flex; align-items: center; gap: 8px; border-bottom: 1px dashed var(--border); }
.info-block ul li:last-child { border-bottom: none; }
.info-block ul li i { color: var(--primary); font-size: 12px; }
.bg-soft { background: var(--primary-light); }
.bg-soft .info-block-icon { background: #fff; }
.bg-soft .info-block-icon.blue { background: #e4ecff; color: #3366ff; }
.bg-soft .info-block-icon.green { background: #e2f8ec; color: #12b76a; }
.bg-soft .info-block-icon.orange { background: #fff1e0; color: #f59b00; }
.bg-soft .info-block-icon.red { background: #ffe4df; color: var(--primary); }

/* === FAQ === */
.faq-wrap { max-width: 880px; margin: 0 auto; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 14px; transition: all 0.3s ease; }
.faq-item:hover { border-color: #dde; box-shadow: var(--shadow-sm); }
.faq-question { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; cursor: pointer; font-size: 15px; font-weight: 600; color: var(--text); user-select: none; gap: 12px; }
.faq-question i { color: var(--primary); font-size: 14px; transition: all 0.3s ease; flex-shrink: 0; }
.faq-answer { display: none; padding: 0 24px 20px; font-size: 14px; color: var(--text-weak); line-height: 1.8; border-top: 1px dashed var(--border); margin-top: 0; padding-top: 16px; }
.faq-item.open { border-color: var(--primary); box-shadow: 0 4px 20px rgba(230,62,35,0.08); }
.faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-item.open .faq-answer { display: block; }

/* === CTA === */
.cta-section { position: relative; padding: 56px 0; background: linear-gradient(135deg, #1a1f33 0%, #2a203c 50%, #3a2338 100%); overflow: hidden; }
.cta-section::before { content: ''; position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-1.png'); background-size: cover; background-position: center; opacity: 0.15; }
.cta-section::after { content: ''; position: absolute; top: -80px; left: -80px; width: 300px; height: 300px; background: radial-gradient(circle, rgba(230,62,35,0.35) 0%, transparent 70%); border-radius: 50%; }
.cta-inner { position: relative; z-index: 2; text-align: center; max-width: 720px; margin: 0 auto; color: #fff; }
.cta-inner h2 { font-size: 30px; font-weight: 800; margin-bottom: 14px; }
.cta-inner p { font-size: 15px; color: rgba(255,255,255,0.8); margin-bottom: 28px; line-height: 1.8; }
.cta-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* === Footer === */
.site-footer { background: #171a26; color: #a5adbd; padding: 64px 0 0; font-size: 14px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 48px; padding-bottom: 40px; }
.footer-brand .brand-logo { color: #fff; margin-bottom: 14px; }
.footer-brand .brand-logo:hover { color: var(--secondary); }
.footer-brand p { font-size: 14px; line-height: 1.8; color: #8b93a5; max-width: 360px; margin-top: 12px; }
.footer-col h4 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 18px; letter-spacing: 0.5px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: #8b93a5; display: inline-flex; align-items: center; gap: 8px; transition: all 0.25s ease; }
.footer-col ul li a:hover { color: var(--secondary); padding-left: 4px; }
.footer-col ul li a i { font-size: 10px; color: #4a5266; transition: all 0.25s ease; }
.footer-col ul li a:hover i { color: var(--secondary); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding: 20px 0; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: 13px; color: #6b7385; }
.footer-bottom a { color: #8b93a5; }
.footer-bottom a:hover { color: var(--secondary); }

/* === Mobile Nav === */
.mobile-nav { display: none; }

/* === Responsive === */
@media (max-width: 1024px) {
  :root { --space-section: 60px; }
  .container { padding: 0 20px; }
  .page-hero h1 { font-size: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root { --space-section: 52px; }
  .header-search { display: none; }
  .nav-toggle { display: flex; }
  .channel-inner { flex-wrap: wrap; padding: 8px 0; }
  .nav-list { width: 100%; order: 2; padding-bottom: 8px; gap: 2px; }
  .trend-tags { display: none; }
  .page-hero { padding: 48px 0 42px; }
  .page-hero h1 { font-size: 28px; }
  .section-head .section-title { font-size: 22px; }
  .info-blocks { grid-template-columns: 1fr; }
  .step-arrow { display: none; }
  .steps-wrap { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cta-inner h2 { font-size: 24px; }
  .nav-list .nav-link { padding: 8px 12px; font-size: 14px; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .brand-text { font-size: 18px; }
  .brand-icon { width: 32px; height: 32px; font-size: 14px; }
  .page-hero h1 { font-size: 24px; }
  .page-hero p { font-size: 15px; }
  .hero-meta { flex-direction: column; gap: 8px; align-items: flex-start; }
  .card-body { padding: 16px 18px; }
  .card-body h3 { font-size: 16px; }
  .btn { padding: 10px 18px; font-size: 13px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 10px; }
  .faq-question { padding: 16px 18px; font-size: 14px; }
  .faq-answer { padding: 0 18px 18px; font-size: 13px; }
  .info-block { padding: 20px; }
}

/* roulang page: category2 */
:root {
  --primary: #e11d48;
  --primary-dark: #be123c;
  --primary-light: #ffe4e6;
  --accent: #f59e0b;
  --accent-soft: #fef3c7;
  --dark: #0f172a;
  --dark-2: #1e293b;
  --light-bg: #f8fafc;
  --white: #ffffff;
  --text: #1e293b;
  --text-weak: #64748b;
  --border: #e2e8f0;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
  --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);
  --transition: all 0.3s ease;
  --container-w: 1200px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--light-bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul { list-style: none; }
button, input { font-family: inherit; }
.container { max-width: var(--container-w); margin: 0 auto; padding: 0 24px; }
::selection { background: var(--primary); color: #fff; }
:focus-visible { outline: 3px solid rgba(225, 29, 72, 0.4); outline-offset: 2px; }

/* ===== Header ===== */
.site-header {
  background: var(--white);
  box-shadow: 0 1px 0 var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-brand-row { border-bottom: 1px solid var(--border); }
.header-brand-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
  gap: 20px;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--dark);
  flex-shrink: 0;
}
.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  box-shadow: 0 4px 12px rgba(225, 29, 72, 0.3);
}
.header-actions { display: flex; align-items: center; gap: 14px; }
.header-search {
  display: flex;
  align-items: center;
  background: var(--light-bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 8px 6px 16px;
  transition: var(--transition);
  width: 260px;
}
.header-search:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(225, 29, 72, 0.12); }
.header-search input {
  border: none;
  outline: none;
  background: transparent;
  width: 100%;
  font-size: 14px;
}
.header-search button {
  background: var(--primary);
  color: #fff;
  border: none;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  cursor: pointer;
  transition: var(--transition);
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.header-search button:hover { background: var(--primary-dark); transform: scale(1.05); }
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  width: 40px;
  height: 40px;
  border-radius: 10px;
  font-size: 18px;
  color: var(--dark);
  cursor: pointer;
  align-items: center;
  justify-content: center;
}
.channel-bar { background: var(--white); transition: var(--transition); }
.channel-inner { display: flex; align-items: center; justify-content: space-between; min-height: 50px; gap: 16px; }
.nav-list { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  border-radius: 999px;
  transition: var(--transition);
}
.nav-link i { font-size: 13px; color: var(--text-weak); transition: var(--transition); }
.nav-link:hover { background: var(--primary-light); color: var(--primary); }
.nav-link:hover i { color: var(--primary); }
.nav-link.active { background: var(--primary); color: #fff; box-shadow: 0 4px 12px rgba(225, 29, 72, 0.3); }
.nav-link.active i { color: #fff; }
.trend-tags { display: flex; align-items: center; gap: 8px; }
.trend-tags span { color: var(--accent); font-size: 14px; }
.trend-tags a { font-size: 13px; color: var(--text-weak); padding: 4px 10px; border-radius: 999px; background: var(--light-bg); border: 1px solid var(--border); font-weight: 500; }
.trend-tags a:hover { color: var(--primary); border-color: var(--primary); background: var(--primary-light); }
.site-header.scrolled .channel-bar { box-shadow: 0 4px 12px rgba(15, 23, 42, 0.06); }

/* ===== Hero ===== */
.category-hero {
  position: relative;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.94), rgba(30, 41, 59, 0.88)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color: #fff;
  padding: 90px 0 80px;
  overflow: hidden;
}
.category-hero::after {
  content: '';
  position: absolute;
  right: -80px;
  top: -80px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(225, 29, 72, 0.35), transparent 70%);
}
.category-hero::before {
  content: '';
  position: absolute;
  left: 10%;
  bottom: -100px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.25), transparent 70%);
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 20px;
}
.hero-badge i { color: var(--accent); }
.category-hero h1 {
  font-size: 46px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
  max-width: 640px;
  position: relative;
  z-index: 2;
}
.category-hero h1 span { color: var(--accent); }
.category-hero p {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.8);
  max-width: 560px;
  margin-bottom: 30px;
  position: relative;
  z-index: 2;
}
.hero-meta { display: flex; gap: 28px; flex-wrap: wrap; position: relative; z-index: 2; }
.hero-meta-item { display: flex; align-items: center; gap: 10px; }
.hero-meta-item i {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--accent);
}
.hero-meta-item strong { display: block; font-size: 17px; font-weight: 700; }
.hero-meta-item span { font-size: 12px; color: rgba(255, 255, 255, 0.65); }

/* ===== 快讯条 ===== */
.news-ticker {
  background: var(--dark);
  color: #fff;
  border-bottom: 3px solid var(--primary);
  overflow: hidden;
  padding: 10px 0;
}
.ticker-wrap { display: flex; align-items: center; gap: 0; }
.ticker-label {
  background: var(--primary);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 999px;
  margin-right: 20px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 6px;
}
.ticker-items { display: flex; align-items: center; gap: 0; overflow: hidden; white-space: nowrap; }
.ticker-items a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 14px;
  padding: 4px 20px;
  border-left: 1px solid rgba(255, 255, 255, 0.15);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.ticker-items a i { color: var(--accent); font-size: 11px; }
.ticker-items a:hover { color: var(--accent); }

/* ===== 板块通用 ===== */
.section-block { padding: 80px 0; }
.section-block.alt { background: var(--white); }
.section-header { margin-bottom: 40px; display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.section-title { font-size: 32px; font-weight: 800; color: var(--dark); line-height: 1.3; }
.section-title i { color: var(--primary); margin-right: 6px; }
.section-sub { color: var(--text-weak); font-size: 15px; margin-top: 8px; max-width: 560px; }
.section-link { display: inline-flex; align-items: center; gap: 6px; color: var(--primary); font-weight: 600; font-size: 14px; }
.section-link:hover { gap: 10px; }
.divider-line { width: 48px; height: 4px; border-radius: 4px; background: var(--primary); margin: 12px 0 0; }

/* ===== 焦点赛事卡片 ===== */
.focus-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.focus-card {
  background: var(--white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.focus-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.focus-card-img { position: relative; height: 220px; overflow: hidden; }
.focus-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.focus-card:hover .focus-card-img img { transform: scale(1.05); }
.focus-card-img .img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.7), transparent 60%);
}
.focus-card-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  box-shadow: 0 4px 10px rgba(225, 29, 72, 0.4);
}
.focus-card-content { padding: 22px 24px 24px; display: flex; flex-direction: column; flex: 1; }
.focus-card-content h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; line-height: 1.4; }
.focus-card-content h3 a:hover { color: var(--primary); }
.focus-card-content p { font-size: 14px; color: var(--text-weak); margin-bottom: 16px; flex: 1; }
.focus-card-meta { display: flex; align-items: center; gap: 14px; font-size: 12px; color: var(--text-weak); border-top: 1px solid var(--border); padding-top: 14px; }
.focus-card-meta i { color: var(--accent); margin-right: 4px; }

/* ===== 数据板块 ===== */
.stats-section {
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
  color: #fff;
  padding: 70px 0;
  position: relative;
  overflow: hidden;
}
.stats-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 400px;
  height: 400px;
  background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  opacity: 0.12;
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; position: relative; z-index: 2; }
.stats-item { text-align: center; padding: 24px 12px; }
.stats-item .num { font-size: 42px; font-weight: 800; color: var(--accent); line-height: 1.2; display: block; }
.stats-item .label { font-size: 14px; color: rgba(255, 255, 255, 0.65); margin-top: 8px; display: block; }
.stats-item .stat-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin: 0 auto 14px;
  color: var(--primary);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ===== 专题板块 ===== */
.feature-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.feature-item {
  display: flex;
  gap: 20px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  align-items: flex-start;
}
.feature-item:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.feature-num {
  font-size: 32px;
  font-weight: 800;
  color: var(--primary-light);
  line-height: 1;
  flex-shrink: 0;
  margin-top: 4px;
}
.feature-item h3 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.feature-item h3 a:hover { color: var(--primary); }
.feature-item p { font-size: 13px; color: var(--text-weak); line-height: 1.6; }

/* ===== 排行列表 ===== */
.rank-section { background: var(--white); }
.rank-layout { display: grid; grid-template-columns: 1fr 320px; gap: 40px; }
.rank-list { display: flex; flex-direction: column; gap: 0; }
.rank-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  background: var(--light-bg);
  margin-bottom: 10px;
  border: 1px solid transparent;
}
.rank-item:hover { background: var(--primary-light); border-color: var(--primary); transform: translateX(6px); }
.rank-badge {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--dark);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
  flex-shrink: 0;
}
.rank-item:nth-child(1) .rank-badge { background: var(--accent); }
.rank-item:nth-child(2) .rank-badge { background: var(--primary); }
.rank-item:nth-child(3) .rank-badge { background: #3b82f6; }
.rank-info { flex: 1; display: flex; align-items: center; gap: 16px; }
.rank-info img { width: 56px; height: 56px; border-radius: 12px; object-fit: cover; }
.rank-info .rank-title { font-size: 16px; font-weight: 700; }
.rank-info .rank-title a:hover { color: var(--primary); }
.rank-info .rank-desc { font-size: 12px; color: var(--text-weak); margin-top: 2px; }
.rank-hot { display: flex; align-items: center; gap: 4px; font-size: 13px; font-weight: 700; color: var(--accent); flex-shrink: 0; }
.rank-side { background: var(--light-bg); border-radius: var(--radius); padding: 28px; border: 1px solid var(--border); }
.rank-side h3 { font-size: 18px; font-weight: 800; margin-bottom: 20px; display: flex; align-items: center; gap: 8px; }
.rank-side h3 i { color: var(--primary); }
.rank-side ul { display: flex; flex-direction: column; gap: 10px; }
.rank-side li a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--white);
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  border: 1px solid var(--border);
  transition: var(--transition);
}
.rank-side li a:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.rank-side li a span { font-size: 12px; color: var(--text-weak); font-weight: 400; }

/* ===== 图文板块 ===== */
.visual-block { display: grid; grid-template-columns: 1.1fr 1fr; gap: 48px; align-items: center; }
.visual-media { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); }
.visual-media img { width: 100%; height: 400px; object-fit: cover; }
.visual-media .play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 64px;
  height: 64px;
  background: rgba(225, 29, 72, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 20px;
  transform: translate(-50%, -50%);
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 8px 24px rgba(225, 29, 72, 0.5);
}
.visual-media .play-btn:hover { transform: translate(-50%, -50%) scale(1.1); }
.visual-content h2 { font-size: 30px; font-weight: 800; margin-bottom: 14px; line-height: 1.35; }
.visual-content p { color: var(--text-weak); font-size: 15px; margin-bottom: 20px; }
.check-list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 24px; }
.check-list li { display: flex; align-items: center; gap: 10px; font-size: 15px; font-weight: 500; }
.check-list li i { color: var(--primary); background: var(--primary-light); width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 11px; }

/* ===== FAQ ===== */
.faq-section { background: var(--light-bg); }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.faq-item {
  background: var(--white);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  padding: 24px;
  transition: var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow-md); border-color: var(--primary-light); }
.faq-item h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; display: flex; align-items: center; gap: 8px; }
.faq-item h3 i { color: var(--primary); background: var(--primary-light); width: 24px; height: 24px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 11px; flex-shrink: 0; }
.faq-item p { font-size: 14px; color: var(--text-weak); line-height: 1.7; }

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, var(--dark), rgba(225, 29, 72, 0.9)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color: #fff;
  padding: 62px 0;
  text-align: center;
  position: relative;
}
.cta-section h2 { font-size: 30px; font-weight: 800; margin-bottom: 12px; }
.cta-section p { font-size: 15px; color: rgba(255, 255, 255, 0.75); margin-bottom: 26px; max-width: 520px; margin-left: auto; margin-right: auto; }
.cta-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: var(--transition);
  text-decoration: none;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 6px 18px rgba(225, 29, 72, 0.4); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(225, 29, 72, 0.5); }
.btn-outline-light { background: transparent; color: #fff; border: 1px solid rgba(255, 255, 255, 0.4); }
.btn-outline-light:hover { background: rgba(255, 255, 255, 0.1); border-color: #fff; transform: translateY(-2px); }
.btn-accent { background: var(--accent); color: var(--dark); box-shadow: 0 6px 18px rgba(245, 158, 11, 0.3); }
.btn-accent:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(245, 158, 11, 0.4); }

/* ===== Footer ===== */
.site-footer { background: var(--dark); color: rgba(255, 255, 255, 0.7); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
.footer-brand .brand-logo { color: #fff; margin-bottom: 14px; }
.footer-brand p { font-size: 14px; line-height: 1.8; max-width: 360px; }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 700; margin-bottom: 20px; position: relative; padding-bottom: 10px; }
.footer-col h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 28px; height: 3px; border-radius: 3px; background: var(--primary); }
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; color: rgba(255, 255, 255, 0.6); transition: var(--transition); }
.footer-col ul a i { font-size: 10px; color: var(--primary); }
.footer-col ul a:hover { color: #fff; transform: translateX(4px); }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
  gap: 12px;
  flex-wrap: wrap;
}
.footer-bottom a { color: var(--accent); }

/* ===== 面包屑 ===== */
.breadcrumb-wrap { background: var(--white); padding: 16px 0; border-bottom: 1px solid var(--border); }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.breadcrumb a { color: var(--text-weak); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--border); }
.breadcrumb .current { color: var(--primary); font-weight: 600; }

/* ===== 文章列表 ===== */
.article-list { display: flex; flex-direction: column; gap: 20px; }
.article-row {
  display: flex;
  gap: 20px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  align-items: center;
}
.article-row:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.article-row-img { width: 160px; height: 108px; border-radius: var(--radius-sm); overflow: hidden; flex-shrink: 0; }
.article-row-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
.article-row:hover .article-row-img img { transform: scale(1.06); }
.article-row-body { flex: 1; }
.article-row-body h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.article-row-body h3 a:hover { color: var(--primary); }
.article-row-body p { font-size: 13px; color: var(--text-weak); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 6px; }
.article-row-meta { display: flex; gap: 16px; font-size: 12px; color: var(--text-weak); }
.article-row-meta i { color: var(--accent); margin-right: 4px; }
.badge-sport { display: inline-block; background: var(--accent-soft); color: #b45309; font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 999px; margin-right: 8px; }
.badge-primary { display: inline-block; background: var(--primary-light); color: var(--primary-dark); font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 999px; }

/* ===== 分页 ===== */
.pagination-nav { margin-top: 40px; display: flex; justify-content: center; }
.pagination { display: flex; gap: 8px; list-style: none; }
.pagination li a, .pagination li span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  padding: 0 8px;
}
.pagination li a:hover { border-color: var(--primary); color: var(--primary); }
.pagination li.current span { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .category-hero h1 { font-size: 36px; }
  .focus-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .rank-layout { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .header-search { width: 200px; }
}
@media (max-width: 768px) {
  .section-block { padding: 56px 0; }
  .category-hero { padding: 70px 0 60px; }
  .category-hero h1 { font-size: 30px; }
  .header-brand-inner { height: 58px; }
  .header-search { display: none; }
  .nav-toggle { display: flex; }
  .channel-inner { flex-direction: column; align-items: flex-start; padding: 0 0 14px; }
  .trend-tags { display: none; }
  .nav-list { width: 100%; overflow-x: auto; white-space: nowrap; padding: 8px 0; flex-wrap: nowrap; }
  .nav-link { font-size: 14px; padding: 8px 14px; }
  .focus-grid { grid-template-columns: 1fr; }
  .visual-block { grid-template-columns: 1fr; }
  .visual-media img { height: 260px; }
  .faq-grid { grid-template-columns: 1fr; }
  .article-row { flex-direction: column; align-items: flex-start; }
  .article-row-img { width: 100%; height: 180px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .stats-grid { gap: 12px; }
  .ticker-label { display: none; }
  .section-title { font-size: 26px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .category-hero h1 { font-size: 26px; }
  .focus-card-content h3 { font-size: 18px; }
  .btn { width: 100%; justify-content: center; }
  .cta-buttons { flex-direction: column; width: 100%; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .stats-item .num { font-size: 30px; }
  .rank-info img { display: none; }
  .hero-meta { gap: 16px; }
}

/* roulang page: article */
:root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --bg: #f6f8fb;
            --bg-alt: #ffffff;
            --bg-dark: #0f1e33;
            --text: #1a1a2e;
            --text-weak: #64748b;
            --border: #e2e8f0;
            --radius: 14px;
            --radius-sm: 8px;
            --shadow: 0 4px 24px rgba(15, 30, 51, 0.06);
            --shadow-lg: 0 12px 40px rgba(15, 30, 51, 0.12);
            --spacing: 72px;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        img {
            max-width: 100%;
            height: auto;
        }

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #fff;
            box-shadow: 0 1px 0 var(--border), 0 4px 20px rgba(0, 0, 0, 0.05);
        }

        .header-brand-row {
            background: var(--bg-alt);
            border-bottom: 1px solid var(--border);
        }

        .header-brand-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            gap: 16px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .brand-icon {
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: 12px;
            font-size: 1.1rem;
            box-shadow: 0 4px 12px rgba(230, 57, 70, 0.3);
            flex-shrink: 0;
        }

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

        .header-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border-radius: 999px;
            padding: 4px 4px 4px 16px;
            border: 1px solid var(--border);
            transition: all 0.3s ease;
        }

        .header-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.12);
        }

        .header-search input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.875rem;
            width: 150px;
            padding: 8px 0;
            color: var(--text);
        }

        .header-search button {
            width: 40px;
            height: 40px;
            border: none;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            cursor: pointer;
            font-size: 0.875rem;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .header-search button:hover {
            background: var(--primary-dark);
        }

        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 8px;
            border: 1px solid var(--border);
            background: #fff;
            color: var(--text);
            font-size: 1rem;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }

        .nav-toggle:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .nav-toggle.is-open {
            background: var(--secondary);
            color: #fff;
            border-color: var(--secondary);
        }

        .channel-bar {
            background: var(--secondary);
        }

        .channel-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 50px;
            gap: 16px;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
        }

        .nav-list::-webkit-scrollbar {
            display: none;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 16px;
            font-size: 0.9375rem;
            color: rgba(255, 255, 255, 0.85);
            border-radius: 8px;
            white-space: nowrap;
            transition: all 0.3s ease;
            font-weight: 500;
        }

        .nav-link i {
            font-size: 0.875rem;
            opacity: 0.85;
        }

        .nav-link:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
        }

        .nav-link.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(230, 57, 70, 0.3);
        }

        .trend-tags {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.8125rem;
            white-space: nowrap;
        }

        .trend-tags a {
            color: rgba(255, 255, 255, 0.72);
            font-size: 0.8125rem;
            transition: color 0.3s ease;
        }

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

        .site-main {
            min-height: 60vh;
        }

        .breadcrumb-section {
            padding: 18px 0;
            background: #fff;
            border-bottom: 1px solid var(--border);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.875rem;
            color: var(--text-weak);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-weak);
            transition: color 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .breadcrumb .sep {
            color: #cbd5e1;
            font-size: 0.75rem;
        }

        .breadcrumb .current {
            color: var(--text);
            max-width: 300px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

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

        .article-main-card {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 40px 44px;
            border: 1px solid var(--border);
            height: 100%;
        }

        .article-header {
            border-bottom: 1px solid var(--border);
            padding-bottom: 24px;
            margin-bottom: 26px;
        }

        .article-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(230, 57, 70, 0.1);
            color: var(--primary);
            font-size: 0.8125rem;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            margin-bottom: 14px;
            transition: all 0.3s ease;
        }

        .article-badge:hover {
            background: var(--primary);
            color: #fff;
        }

        .article-title {
            font-size: 1.9rem;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text);
            margin-bottom: 12px;
            overflow-wrap: break-word;
            hyphens: auto;
        }

        .article-desc {
            font-size: 1.0625rem;
            color: var(--text-weak);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            color: var(--text-weak);
            font-size: 0.875rem;
        }

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

        .article-meta i {
            color: var(--primary);
        }

        .article-cover {
            margin-bottom: 26px;
            border-radius: var(--radius);
            overflow: hidden;
            background: var(--bg);
        }

        .article-cover img {
            width: 100%;
            display: block;
            object-fit: cover;
            min-height: 200px;
        }

        .article-content {
            font-size: 1.0625rem;
            line-height: 1.9;
            color: var(--text);
        }

        .article-content p {
            margin-bottom: 1.25rem;
        }

        .article-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 2.25rem 0 1rem;
            padding-left: 14px;
            border-left: 4px solid var(--primary);
            line-height: 1.4;
        }

        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin: 1.75rem 0 0.75rem;
            color: var(--secondary);
        }

        .article-content ul {
            margin: 0 0 1.25rem 1.5rem;
            list-style: disc;
        }

        .article-content ol {
            margin: 0 0 1.25rem 1.5rem;
            list-style: decimal;
        }

        .article-content li {
            margin-bottom: 0.5rem;
        }

        .article-content img {
            max-width: 100%;
            border-radius: var(--radius);
            margin: 1.25rem 0;
        }

        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }

        .article-content a:hover {
            color: var(--primary-dark);
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent);
            background: rgba(244, 162, 97, 0.08);
            padding: 16px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.5rem 0;
            color: var(--text-weak);
            font-style: italic;
        }

        .article-content table {
            width: 100%;
            margin: 1.5rem 0;
            border-collapse: collapse;
        }

        .article-content th,
        .article-content td {
            border: 1px solid var(--border);
            padding: 12px 14px;
            text-align: left;
        }

        .article-content th {
            background: var(--secondary);
            color: #fff;
            font-weight: 600;
        }

        .article-footer {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding-top: 24px;
            margin-top: 32px;
            border-top: 1px solid var(--border);
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            align-items: center;
        }

        .tag-label {
            font-size: 0.875rem;
            color: var(--text-weak);
        }

        .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.8125rem;
            color: var(--secondary);
            background: rgba(29, 53, 87, 0.06);
            padding: 4px 14px;
            border-radius: 999px;
            transition: all 0.3s ease;
        }

        .tag-item:hover {
            background: var(--primary);
            color: #fff;
        }

        .article-share {
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .share-btn {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--bg);
            color: var(--text-weak);
            font-size: 0.875rem;
            border: 1px solid var(--border);
            transition: all 0.3s ease;
        }

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

        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            height: 100%;
        }

        .sidebar-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 26px;
            box-shadow: var(--shadow);
        }

        .sidebar-title {
            font-size: 1.0625rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .sidebar-title i {
            color: var(--primary);
        }

        .sidebar-title::after {
            content: "";
            flex: 1;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), transparent);
        }

        .article-info-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .article-info-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.875rem;
            color: var(--text-weak);
        }

        .article-info-list li i {
            color: var(--primary);
            width: 18px;
            text-align: center;
            flex-shrink: 0;
        }

        .sidebar-cats {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .sidebar-cats a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 14px;
            border-radius: var(--radius-sm);
            background: var(--bg);
            color: var(--text);
            font-size: 0.9375rem;
            transition: all 0.3s ease;
            border: 1px solid transparent;
        }

        .sidebar-cats a:hover {
            background: rgba(230, 57, 70, 0.06);
            border-color: var(--primary);
            color: var(--primary);
            transform: translateX(4px);
        }

        .sidebar-cats a i {
            width: 18px;
            text-align: center;
        }

        .sidebar-cover-card {
            padding: 16px;
        }

        .sidebar-img {
            border-radius: 10px;
            overflow: hidden;
        }

        .sidebar-img img {
            width: 100%;
            display: block;
            object-fit: cover;
        }

        .sidebar-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .notfound-box {
            text-align: center;
            padding: 60px 40px;
        }

        .notfound-icon {
            width: 80px;
            height: 80px;
            background: rgba(230, 57, 70, 0.08);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .notfound-box h2 {
            font-size: 1.5rem;
            color: var(--text);
            margin-bottom: 12px;
        }

        .notfound-box p {
            color: var(--text-weak);
            margin-bottom: 24px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 0.9375rem;
            font-weight: 600;
            border-radius: 999px;
            text-decoration: none;
            transition: all 0.3s ease;
            border: 2px solid transparent;
            cursor: pointer;
            line-height: 1.4;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.3);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.4);
        }

        .btn-outline {
            border: 2px solid rgba(255, 255, 255, 0.65);
            color: #fff;
            background: transparent;
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn-ghost {
            border: 2px solid var(--border);
            color: var(--secondary);
            background: #fff;
        }

        .btn-ghost:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(230, 57, 70, 0.04);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0, 0, 0, 0.06);
        }

        .cta-section {
            background: linear-gradient(120deg, var(--secondary) 0%, var(--bg-dark) 100%);
            padding: 80px 0;
            position: relative;
            text-align: center;
            overflow: hidden;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url("/assets/images/backpic/back-2.png");
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            color: #fff;
            font-size: 1.875rem;
            margin-bottom: 14px;
            line-height: 1.4;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.0625rem;
            margin-bottom: 32px;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

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

        .section-head {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-head h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
        }

        .section-head p {
            color: var(--text-weak);
            margin-top: 8px;
        }

        .category-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: all 0.4s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(230, 57, 70, 0.3);
        }

        .category-cover {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        .category-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .category-cover::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(15, 30, 51, 0.2));
        }

        .category-body {
            padding: 28px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8125rem;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 999px;
            background: rgba(230, 57, 70, 0.08);
            color: var(--primary);
            margin-bottom: 14px;
            width: fit-content;
        }

        .category-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .category-body p {
            font-size: 0.9375rem;
            color: var(--text-weak);
            line-height: 1.7;
            margin-bottom: 20px;
            flex: 1;
        }

        .category-body .btn {
            align-self: flex-start;
        }

        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }

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

        .footer-brand p {
            margin-top: 16px;
            font-size: 0.9375rem;
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
        }

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

        .footer-col ul a {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.875rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.3s ease;
        }

        .footer-col ul a i {
            font-size: 0.625rem;
            color: var(--accent);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 8px;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
            transition: color 0.3s ease;
        }

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

        @media screen and (max-width: 1023px) {
            :root {
                --spacing: 56px;
            }

            .article-main-card {
                padding: 32px;
            }

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

        @media screen and (max-width: 900px) {
            .header-brand-inner {
                min-height: 60px;
            }

            .nav-toggle {
                display: flex;
            }

            .channel-bar {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                display: none;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
            }

            .channel-bar.open {
                display: block;
            }

            .channel-inner {
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px;
                gap: 14px;
            }

            .nav-list {
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                overflow: visible;
            }

            .nav-link {
                justify-content: flex-start;
                padding: 12px 16px;
            }

            .trend-tags {
                flex-wrap: wrap;
                white-space: normal;
            }

            .article-title {
                font-size: 1.5rem;
            }
        }

        @media screen and (max-width: 767px) {
            .article-section {
                padding: 48px 0;
            }

            .article-main-card {
                padding: 24px 20px;
                border-radius: 10px;
            }

            .article-content {
                font-size: 1rem;
            }

            .article-footer {
                flex-direction: column;
                align-items: flex-start;
            }

            .cta-inner h2 {
                font-size: 1.5rem;
            }

            .section-head h2 {
                font-size: 1.5rem;
            }

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

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

        @media screen and (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .brand-text {
                font-size: 1.05rem;
            }

            .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 0.9375rem;
                border-radius: 10px;
            }

            .header-search input {
                width: 90px;
            }

            .header-search {
                padding-left: 10px;
            }

            .header-search button {
                width: 36px;
                height: 36px;
            }

            .article-main-card {
                padding: 18px 14px;
            }

            .article-meta {
                gap: 10px;
                font-size: 0.8125rem;
            }

            .breadcrumb .current {
                max-width: 180px;
            }

            .category-cover {
                height: 140px;
            }

            .category-body {
                padding: 20px;
            }

            .cta-section {
                padding: 56px 0;
            }

            .cta-buttons .btn {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category3 */
:root{
  --primary:#1b3a5c;
  --primary-dark:#12283f;
  --primary-light:#24507a;
  --accent:#e8a33d;
  --accent-dark:#d18a26;
  --accent-light:#f4bc63;
  --bg-body:#f4f6f9;
  --bg-white:#ffffff;
  --bg-soft:#eef1f5;
  --bg-deep:#0e1e30;
  --text-main:#1e2a3a;
  --text-weak:#64748b;
  --text-light:#94a3b8;
  --border:#e2e8f0;
  --border-soft:#eef2f6;
  --radius-md:10px;
  --radius-lg:14px;
  --radius-pill:999px;
  --shadow-sm:0 2px 8px rgba(15,41,70,.06);
  --shadow-md:0 4px 16px rgba(15,41,70,.10);
  --shadow-lg:0 12px 32px rgba(15,41,70,.14);
  --space-section:80px;
  --transition:all .25s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;background:var(--bg-body);color:var(--text-main);line-height:1.65;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none;transition:var(--transition)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button,input{font-family:inherit;font-size:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
section{position:relative}
h1,h2,h3,h4,h5,h6{line-height:1.2;font-weight:700;color:var(--text-main)}

/* 顶部吸顶导航 */
.site-header{position:sticky;top:0;z-index:100;background:var(--bg-white);box-shadow:var(--shadow-sm);border-bottom:1px solid var(--border-soft)}
.header-brand-row{background:var(--bg-white)}
.header-brand-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand-logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:22px;letter-spacing:.5px;color:var(--primary)}
.brand-logo:hover{opacity:.9}
.brand-icon{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;border-radius:10px;font-size:17px;box-shadow:var(--shadow-sm)}
.brand-text{font-size:20px;font-weight:800;background:linear-gradient(135deg,var(--primary),var(--primary-light));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;white-space:nowrap}
.header-actions{display:flex;align-items:center;gap:14px}
.header-search{display:flex;align-items:center;background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius-pill);padding:0 4px 0 16px;height:38px;width:200px;transition:var(--transition)}
.header-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(27,58,92,.08)}
.header-search input{border:none;background:transparent;outline:none;font-size:14px;color:var(--text-main);width:100%}
.header-search button{border:none;background:transparent;width:32px;height:32px;border-radius:50%;cursor:pointer;color:var(--text-weak);display:flex;align-items:center;justify-content:center;transition:var(--transition)}
.header-search button:hover{color:var(--primary);background:rgba(27,58,92,.06)}
.nav-toggle{display:none;background:var(--bg-soft);border:1px solid var(--border);border-radius:8px;width:40px;height:38px;cursor:pointer;align-items:center;justify-content:center;color:var(--primary);font-size:16px;transition:var(--transition)}
.nav-toggle:hover{background:var(--bg-soft);border-color:var(--primary)}
.channel-bar{background:var(--bg-white);border-top:1px solid var(--border-soft)}
.channel-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:50px}
.nav-list{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav-link{display:inline-flex;align-items:center;gap:7px;padding:10px 16px;font-size:15px;font-weight:600;color:var(--text-main);border-radius:8px;position:relative;transition:var(--transition)}
.nav-link i{font-size:13px;color:var(--text-weak);transition:var(--transition)}
.nav-link:hover{color:var(--primary);background:rgba(27,58,92,.05)}
.nav-link:hover i{color:var(--primary)}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;background:var(--accent);border-radius:3px 3px 0 0}
.nav-link.active i{color:var(--accent)}
.trend-tags{display:flex;align-items:center;gap:8px;font-size:13px}
.trend-tags span{display:inline-flex;align-items:center}
.trend-tags a{color:var(--text-weak);padding:4px 10px;background:var(--bg-soft);border-radius:var(--radius-pill);transition:var(--transition)}
.trend-tags a:hover{color:var(--primary);background:rgba(27,58,92,.08)}

/* 页面Banner */
.page-banner{background-size:cover;background-position:center;position:relative;padding:90px 0 90px;color:#fff}
.page-banner::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(10,24,40,.92) 0%,rgba(16,38,62,.78) 45%,rgba(24,62,96,.55) 100%)}
.page-banner .container{position:relative;z-index:2}
.banner-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);padding:6px 16px;border-radius:var(--radius-pill);font-size:13px;font-weight:600;letter-spacing:1px;margin-bottom:20px;backdrop-filter:blur(4px)}
.banner-tag i{color:var(--accent)}
.page-banner h1{font-size:42px;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:1px}
.page-banner h1 span{color:var(--accent)}
.page-banner p{font-size:17px;color:rgba(255,255,255,.86);max-width:620px;line-height:1.7;margin-bottom:24px}
.banner-btns{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 26px;border-radius:var(--radius-pill);font-weight:600;font-size:15px;border:2px solid transparent;cursor:pointer;transition:var(--transition)}
.btn i{font-size:14px}
.btn-primary{background:var(--accent);color:#1a1a1a;border-color:var(--accent);box-shadow:0 4px 14px rgba(232,163,61,.35)}
.btn-primary:hover{background:var(--accent-dark);border-color:var(--accent-dark);transform:translateY(-2px);box-shadow:0 6px 22px rgba(232,163,61,.4)}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.1);transform:translateY(-2px)}
.btn-outline-primary{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-outline-primary:hover{background:var(--primary);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}

/* 板块通用 */
.section-pad{padding:80px 0}
.section-head{text-align:center;max-width:640px;margin:0 auto 48px}
.section-tag{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;background:rgba(27,58,92,.07);padding:6px 18px;border-radius:var(--radius-pill);margin-bottom:14px}
.section-tag i{color:var(--accent)}
.section-head h2{font-size:32px;font-weight:800;color:var(--text-main);margin-bottom:12px}
.section-head h2 em{font-style:normal;color:var(--primary)}
.section-head p{font-size:15px;color:var(--text-weak);line-height:1.7}

/* 社区概览 */
.community-intro{background:var(--bg-white);border-top:1px solid var(--border-soft);border-bottom:1px solid var(--border-soft)}
.intro-card{display:flex;background:var(--bg-soft);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--transition)}
.intro-card:hover{box-shadow:var(--shadow-md)}
.intro-card img{width:100%;height:280px;object-fit:cover}
.intro-content{padding:32px;display:flex;flex-direction:column;justify-content:center}
.intro-content h3{font-size:24px;font-weight:800;margin-bottom:12px;color:var(--primary)}
.intro-content p{font-size:15px;color:var(--text-weak);line-height:1.8;margin-bottom:16px}
.intro-points{display:flex;flex-direction:column;gap:10px;margin-top:6px}
.intro-points li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-main);line-height:1.6}
.intro-points li i{color:var(--accent);margin-top:4px;font-size:14px}

/* 社区分类卡片 */
.community-categories{background:var(--bg-white)}
.cat-card{background:var(--bg-soft);border-radius:var(--radius-lg);padding:28px 24px;height:100%;border:1px solid var(--border-soft);transition:var(--transition)}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);background:var(--bg-white)}
.cat-card-icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:21px;margin-bottom:18px;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;box-shadow:var(--shadow-sm)}
.cat-card-icon.alt{background:linear-gradient(135deg,var(--accent),var(--accent-dark));color:#1a1a1a}
.cat-card h3{font-size:19px;font-weight:700;margin-bottom:10px;color:var(--text-main)}
.cat-card p{font-size:14px;color:var(--text-weak);line-height:1.7;margin-bottom:14px}
.cat-card .cat-meta{display:flex;gap:12px;font-size:13px;color:var(--text-weak)}
.cat-card .cat-meta i{margin-right:3px;color:var(--accent)}
.cat-card-more{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--primary);margin-top:14px}
.cat-card-more:hover{color:var(--accent);gap:10px}

/* 热门话题 */
.hot-topics{background:var(--bg-body)}
.topic-sidebar{background:var(--bg-white);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow-sm);height:100%}
.topic-sidebar h3{font-size:18px;font-weight:800;border-left:4px solid var(--accent);padding-left:12px;margin-bottom:18px}
.topic-sidebar-list{display:flex;flex-direction:column;gap:4px}
.topic-sidebar-list li a{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;font-size:14px;color:var(--text-main);transition:var(--transition)}
.topic-sidebar-list li a i{font-size:12px;color:var(--accent);width:16px;text-align:center}
.topic-sidebar-list li a:hover{background:var(--bg-soft);color:var(--primary);transform:translateX(4px)}
.topic-card{background:var(--bg-white);border-radius:var(--radius-lg);padding:20px 22px;box-shadow:var(--shadow-sm);border-left:4px solid var(--primary);transition:var(--transition)}
.topic-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.topic-card:nth-child(2){border-left-color:var(--accent)}
.topic-card:nth-child(3){border-left-color:#e74c3c}
.topic-card .topic-rank{font-size:20px;font-weight:800;color:var(--primary);line-height:1;opacity:.25;margin-bottom:6px}
.topic-card h4{font-size:16px;font-weight:700;margin-bottom:6px;color:var(--text-main)}
.topic-card h4 a:hover{color:var(--primary)}
.topic-card p{font-size:13px;color:var(--text-weak);line-height:1.6;margin-bottom:10px}
.topic-card .topic-meta{display:flex;gap:16px;font-size:12px;color:var(--text-light)}
.topic-card .topic-meta i{margin-right:4px}

/* 数据面板 */
.stats-panel{background:var(--bg-deep);padding:64px 0;color:#fff;position:relative;overflow:hidden}
.stats-panel::before{content:"";position:absolute;top:-40%;right:-10%;width:380px;height:380px;border-radius:50%;background:rgba(232,163,61,.1)}
.stats-panel::after{content:"";position:absolute;bottom:-30%;left:-6%;width:300px;height:300px;border-radius:50%;background:rgba(27,58,92,.4)}
.stats-panel .container{position:relative;z-index:2}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;text-align:center}
.stat-item{padding:20px}
.stat-num{font-size:44px;font-weight:800;color:var(--accent);line-height:1;margin-bottom:8px;font-family:"DIN Alternate",system-ui}
.stat-label{font-size:15px;color:rgba(255,255,255,.7);font-weight:600;letter-spacing:1px}

/* 交流流程 */
.join-steps{background:var(--bg-white)}
.step-card{background:var(--bg-soft);border-radius:var(--radius-lg);padding:28px 24px;height:100%;border:1px solid var(--border-soft);position:relative;transition:var(--transition)}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.step-num{font-size:42px;font-weight:800;color:var(--primary);opacity:.12;line-height:1;position:absolute;top:16px;right:20px}
.step-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:18px;background:var(--primary);color:#fff;margin-bottom:16px}
.step-card:nth-child(2) .step-icon{background:var(--accent);color:#1a1a1a}
.step-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.step-card p{font-size:14px;color:var(--text-weak);line-height:1.65}

/* FAQ */
.faq-section{background:var(--bg-body)}
.faq-item{background:var(--bg-white);border:1px solid var(--border-soft);border-radius:var(--radius-lg);padding:22px 26px;margin-bottom:16px;cursor:pointer;transition:var(--transition)}
.faq-item:hover{border-color:var(--primary);box-shadow:var(--shadow-sm)}
.faq-question{display:flex;align-items:center;gap:14px;font-size:16px;font-weight:700;color:var(--text-main)}
.faq-question i{color:var(--accent);font-size:15px;width:22px;height:22px;display:flex;align-items:center;justify-content:center;border-radius:50%;background:rgba(232,163,61,.12)}
.faq-answer{display:none;padding:16px 0 0 36px;font-size:14px;color:var(--text-weak);line-height:1.75}

/* CTA */
.cta-box{background:linear-gradient(120deg,var(--primary),var(--primary-light));border-radius:20px;padding:48px 56px;text-align:center;position:relative;overflow:hidden;box-shadow:var(--shadow-lg)}
.cta-box::before{content:"";position:absolute;top:-30%;right:-8%;width:220px;height:220px;border-radius:50%;background:rgba(255,255,255,.06)}
.cta-box::after{content:"";position:absolute;bottom:-20%;left:-4%;width:160px;height:160px;border-radius:50%;background:rgba(232,163,61,.16)}
.cta-box h2{color:#fff;font-size:30px;font-weight:800;margin-bottom:12px;position:relative;z-index:2}
.cta-box p{color:rgba(255,255,255,.85);font-size:15px;max-width:520px;margin:0 auto 24px;line-height:1.7;position:relative;z-index:2}

/* 页脚 */
.site-footer{background:var(--bg-deep);color:rgba(255,255,255,.8);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer-brand .brand-logo{color:#fff;margin-bottom:16px}
.footer-brand .brand-logo .brand-text{background:linear-gradient(135deg,#fff,#e2e8f0);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.footer-brand p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.6);max-width:340px;margin-top:14px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:1px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.65);transition:var(--transition)}
.footer-col ul a i{font-size:10px;color:var(--accent)}
.footer-col ul a:hover{color:var(--accent);transform:translateX(4px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;display:flex;justify-content:space-between;align-items:center;font-size:13px;color:rgba(255,255,255,.5);flex-wrap:wrap;gap:10px}
.footer-bottom a{color:var(--accent)}

/* 响应式 */
@media screen and (max-width:1024px){
  .container{padding:0 20px}
  .section-pad{padding:64px 0}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .trend-tags{display:none}
  .header-search{width:170px}
}
@media screen and (max-width:768px){
  .section-pad{padding:48px 0}
  .section-head h2{font-size:26px}
  .page-banner{padding:60px 0}
  .page-banner h1{font-size:30px}
  .nav-toggle{display:flex}
  .header-search{display:none}
  .channel-inner{flex-direction:column;align-items:stretch}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;max-height:0;overflow:hidden;opacity:0;transition:max-height .35s ease,opacity .3s ease}
  .nav-list.open{max-height:280px;opacity:1}
  .nav-link{padding:12px 10px;border-radius:8px}
  .nav-link::after{display:none}
  .nav-link.active{background:rgba(27,58,92,.06)}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;text-align:center}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .stat-num{font-size:32px}
  .cta-box{padding:36px 24px}
  .cta-box h2{font-size:24px}
  .intro-content{padding:24px}
  .intro-card img{height:200px}
}
@media screen and (max-width:520px){
  .container{padding:0 16px}
  .brand-text{font-size:17px}
  .brand-icon{width:32px;height:32px;font-size:14px}
  .page-banner h1{font-size:25px}
  .page-banner p{font-size:15px}
  .btn{padding:10px 20px;font-size:14px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:14px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom span:last-child{display:none}
}