/* roulang page: index */
:root{
  --brand:#FF5A1F;
  --brand-hover:#E8430C;
  --brand-active:#C9350A;
  --purple:#7C4DFF;
  --amber:#FFC53D;
  --green:#23C08A;
  --dark:#0F0B18;
  --dark-2:#171024;
  --line-dark:rgba(255,255,255,.10);
  --light:#F5F1EA;
  --card:#FFFFFF;
  --light-border:#E7E0D6;
  --dark-text:#F3EFFA;
  --dark-sub:#A99FC0;
  --text:#1A1524;
  --text-sub:#6B6279;
  --radius:16px;
  --radius-sm:12px;
  --radius-poster:14px;
  --shadow-dark:0 18px 40px rgba(0,0,0,.45);
  --shadow-light:0 10px 30px rgba(20,12,34,.08);
  --maxw:1240px;
  --font-cn:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC',sans-serif;
  --font-num:'Barlow','Inter',var(--font-cn);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--light);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(255,90,31,.35);outline-offset:2px;}
button{font-family:inherit;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-dark{background:var(--dark);color:var(--dark-text);}
.section-light{background:var(--light);color:var(--text);}
.section-white{background:#fff;color:var(--text);}
.grid-bg{
  position:relative;
}
.grid-bg::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:56px 56px;
  pointer-events:none;
}
.grid-bg > *{position:relative;z-index:1;}

/* ============ 按钮 ============ */
.btn-brand{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand);color:#fff;
  border:1px solid var(--brand);
  border-radius:999px;
  padding:14px 28px;
  font-size:15px;font-weight:600;line-height:1.2;
  transition:transform .22s ease,background-color .22s ease,box-shadow .22s ease;
}
.btn-brand:hover{background:var(--brand-hover);border-color:var(--brand-hover);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(232,67,12,.35);}
.btn-brand:active{background:var(--brand-active);border-color:var(--brand-active);transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.14);color:#fff;
  border:1px solid rgba(255,255,255,.18);
  border-radius:999px;
  padding:14px 28px;
  font-size:15px;font-weight:600;line-height:1.2;
  transition:background-color .22s ease,border-color .22s ease,transform .22s ease;
}
.btn-ghost:hover{background:rgba(255,255,255,.24);border-color:rgba(255,255,255,.32);color:#fff;transform:translateY(-2px);}
.btn-outline-brand{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;color:var(--brand);
  border:1px solid var(--brand);
  border-radius:999px;
  padding:13px 26px;
  font-size:15px;font-weight:600;line-height:1.2;
  transition:background-color .22s ease,transform .22s ease;
}
.btn-outline-brand:hover{background:rgba(255,90,31,.12);color:var(--brand-hover);transform:translateY(-2px);}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-size:15px;font-weight:600;
}
.link-arrow i{transition:transform .22s ease;}
.link-arrow:hover{color:var(--brand-hover);}
.link-arrow:hover i{transform:translateX(4px);}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(15,11,24,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background-color .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{background:rgba(15,11,24,.98);border-bottom:1px solid var(--line-dark);}
.nav-inner{
  height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--brand),var(--purple));
  color:#fff;font-size:17px;font-weight:800;font-family:var(--font-num);
}
.brand-text{font-size:18px;font-weight:700;color:var(--dark-text);letter-spacing:.01em;white-space:nowrap;}
.nav-desktop{display:flex;align-items:center;flex:1 1 auto;justify-content:center;}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-menu .nav-link{
  display:block;padding:8px 16px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--dark-sub);
  transition:background-color .2s ease,color .2s ease;
}
.nav-menu .nav-link:hover{background:rgba(255,90,31,.12);color:var(--brand);}
.nav-menu .nav-link.active{background:var(--brand);color:#fff;font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{
  width:38px;height:38px;border-radius:999px;
  display:grid;place-items:center;
  color:var(--dark-sub);font-size:17px;
  border:1px solid var(--line-dark);
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.nav-search:hover{color:#fff;border-color:rgba(255,255,255,.28);background:rgba(255,255,255,.06);}
.nav-cta{padding:11px 22px;font-size:14px;}
.nav-burger{
  display:none;width:40px;height:40px;border-radius:12px;
  background:rgba(255,255,255,.08);border:1px solid var(--line-dark);
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-burger span{display:block;width:17px;height:2px;border-radius:2px;background:var(--dark-text);}

/* 移动端抽屉 */
.mobile-drawer{
  background:rgba(15,11,24,.97);color:var(--dark-text);
  width:300px;border-left:1px solid var(--line-dark);
}
.mobile-drawer .offcanvas-header{padding:20px 22px;border-bottom:1px solid var(--line-dark);}
.mobile-drawer .offcanvas-body{padding:14px 12px;}
.mobile-drawer .drawer-link{
  display:block;padding:0 16px;line-height:52px;font-size:17px;
  color:var(--dark-sub);border-left:3px solid transparent;border-radius:0 10px 10px 0;
}
.mobile-drawer .drawer-link:hover{color:#fff;background:rgba(255,255,255,.05);}
.mobile-drawer .drawer-link.active{color:#fff;border-left-color:var(--brand);background:rgba(255,90,31,.12);}
.mobile-drawer .drawer-cta{margin:18px 16px 0;width:calc(100% - 32px);justify-content:center;}
.drawer-close{background:none;border:none;color:var(--dark-sub);font-size:22px;line-height:1;}

/* ============ Hero ============ */
.hero{
  position:relative;
  min-height:640px;
  padding:150px 0 0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  color:var(--dark-text);
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(15,11,24,.95) 0%,rgba(15,11,24,.72) 42%,rgba(15,11,24,.42) 100%);
}
.hero .wrap{position:relative;z-index:2;}
.hero-content{max-width:660px;padding-bottom:64px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(124,77,255,.20);
  color:#D9CDFF;
  border:1px solid rgba(124,77,255,.38);
  border-radius:999px;
  padding:7px 16px;
  font-size:13px;font-weight:600;letter-spacing:.04em;
}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--green);}
.hero h1{
  margin:22px 0 0;
  font-size:clamp(30px,4.2vw,52px);
  font-weight:800;line-height:1.15;letter-spacing:-.02em;
  color:#fff;
}
.hero-sub{
  margin-top:18px;
  font-size:17px;line-height:1.8;color:#CFC6E4;
  max-width:520px;
}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:44px;margin-top:44px;}
.hero-stat .num{
  font-family:var(--font-num);font-size:28px;font-weight:700;
  color:var(--amber);line-height:1.2;
}
.hero-stat .lbl{font-size:13px;color:var(--dark-sub);letter-spacing:.04em;}
.hero-strip{
  position:relative;z-index:2;
  border-top:1px solid var(--line-dark);
  background:rgba(15,11,24,.55);
  padding:20px 0;
  margin-top:auto;
}
.hero-strip-inner{display:flex;gap:14px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;}
.hero-strip-inner::-webkit-scrollbar{display:none;}
.hero-thumb{
  flex:0 0 auto;width:88px;border-radius:10px;overflow:hidden;
  border:1px solid rgba(255,255,255,.14);
  transition:border-color .22s ease,transform .22s ease;
}
.hero-thumb img{width:88px;height:56px;object-fit:cover;}
.hero-thumb:hover{border-color:var(--brand);transform:translateY(-3px);}

/* ============ 板块标题 ============ */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:34px;}
.sec-title{
  position:relative;padding-left:16px;
  font-size:clamp(22px,2.4vw,30px);
  font-weight:700;line-height:1.3;
}
.sec-title::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:22px;border-radius:4px;background:var(--brand);
}
.section-dark .sec-title{color:#fff;}
.sec-desc{margin-top:10px;font-size:15px;color:var(--text-sub);max-width:640px;}
.section-dark .sec-desc{color:var(--dark-sub);}

/* ============ 横滑片库 ============ */
.library{padding-top:76px;}
.library-head{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:26px;}
.lib-arrows{display:flex;gap:10px;}
.lib-arrow{
  width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(255,255,255,.10);border:1px solid var(--line-dark);
  color:var(--dark-text);font-size:17px;
  transition:background-color .22s ease,border-color .22s ease;
}
.lib-arrow:hover{background:var(--brand);border-color:var(--brand);color:#fff;}
.lib-track{
  display:flex;gap:20px;overflow-x:auto;padding:4px 0 18px;
  scroll-snap-type:x mandatory;scrollbar-width:none;
}
.lib-track::-webkit-scrollbar{display:none;}
.lib-card{
  position:relative;flex:0 0 240px;scroll-snap-align:start;
  border-radius:var(--radius-poster);overflow:hidden;
  background:var(--dark-2);border:1px solid var(--line-dark);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.lib-card:hover{transform:translateY(-4px);border-color:rgba(255,90,31,.5);box-shadow:var(--shadow-dark);}
.lib-cover{position:relative;aspect-ratio:16/9;overflow:hidden;}
.lib-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.lib-card:hover .lib-cover img{transform:scale(1.04);}
.lib-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(15,11,24,.92),rgba(15,11,24,0) 62%);
}
.lib-corner{
  position:absolute;top:0;left:0;z-index:2;
  padding:6px 14px 6px 10px;
  background:var(--brand);color:#fff;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  clip-path:polygon(0 0,100% 0,calc(100% - 12px) 100%,0 100%);
}
.lib-body{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:14px 16px;}
.lib-body h3{
  font-size:16px;font-weight:600;color:#fff;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.lib-meta{margin-top:6px;font-size:12px;color:var(--dark-sub);letter-spacing:.02em;}

/* 网格过渡带 */
.grid-divider{
  height:64px;
  background-color:var(--dark);
  background-image:linear-gradient(rgba(255,255,255,.055) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.055) 1px,transparent 1px);
  background-size:56px 56px;
}

/* ============ 热播榜单 ============ */
.rank-tabs{display:flex;gap:8px;flex-wrap:wrap;}
.rank-tab{
  border:1px solid var(--light-border);background:#fff;color:var(--text-sub);
  border-radius:999px;padding:8px 20px;font-size:14px;font-weight:600;
  transition:all .2s ease;
}
.rank-tab:hover{border-color:rgba(255,90,31,.45);color:var(--brand);}
.rank-tab.active{background:var(--purple);border-color:var(--purple);color:#fff;}
.rank-list{margin-top:28px;border-top:1px solid var(--light-border);}
.rank-row{
  position:relative;
  display:flex;align-items:center;gap:20px;
  padding:18px 8px 18px 0;
  border-bottom:1px solid var(--light-border);
  transition:transform .25s ease,background-color .25s ease;
}
.rank-row::before{
  content:"";position:absolute;left:-10px;top:12px;bottom:12px;width:3px;border-radius:3px;
  background:var(--brand);opacity:0;transition:opacity .25s ease;
}
.rank-row:hover{transform:translateX(4px);background:rgba(255,255,255,.7);}
.rank-row:hover::before{opacity:1;}
.rank-num{
  flex:0 0 56px;
  font-family:var(--font-num);font-size:30px;font-weight:700;
  color:var(--brand);line-height:1;text-align:center;
}
.rank-num.top{color:var(--amber);}
.rank-thumb{
  flex:0 0 100px;width:100px;height:62px;border-radius:var(--radius-sm);
  overflow:hidden;
}
.rank-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.rank-row:hover .rank-thumb img{transform:scale(1.04);}
.rank-main{flex:1 1 auto;min-width:0;}
.rank-main h3{font-size:18px;font-weight:600;line-height:1.45;}
.rank-main p{margin-top:4px;font-size:14px;color:var(--text-sub);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.rank-side{flex:0 0 auto;display:flex;align-items:center;gap:12px;}
.badge-purple{
  display:inline-block;padding:4px 12px;border-radius:999px;
  background:rgba(124,77,255,.10);color:var(--purple);
  font-size:13px;font-weight:600;letter-spacing:.04em;
}
.badge-brand{
  display:inline-block;padding:4px 12px;border-radius:999px;
  background:rgba(255,90,31,.12);color:var(--brand);
  font-size:13px;font-weight:600;letter-spacing:.04em;
}
.badge-amber{
  display:inline-block;padding:4px 12px;border-radius:999px;
  background:rgba(255,197,61,.18);color:#9A6B00;
  font-size:13px;font-weight:600;letter-spacing:.04em;
}
.rank-date{font-size:13px;color:var(--text-sub);font-family:var(--font-num);}

/* ============ 片单分区 ============ */
.split{display:grid;grid-template-columns:220px 1fr;gap:36px;align-items:start;}
.split-nav{position:sticky;top:100px;}
.split-nav ul{display:flex;flex-direction:column;gap:4px;border-left:1px solid var(--light-border);}
.split-nav a{
  display:block;padding:11px 16px;font-size:15px;color:var(--text-sub);
  border-left:3px solid transparent;margin-left:-1px;
  transition:all .2s ease;
}
.split-nav a:hover{color:var(--brand);}
.split-nav a.active{color:var(--brand);font-weight:600;border-left-color:var(--brand);}
.plate-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.plate-card{
  position:relative;background:#fff;border:1px solid var(--light-border);
  border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-light);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
  display:flex;flex-direction:column;
}
.plate-card:hover{transform:translateY(-4px);border-color:rgba(255,90,31,.4);box-shadow:0 18px 38px rgba(20,12,34,.14);}
.plate-card.wide{grid-column:span 2;}
.plate-cover{position:relative;aspect-ratio:16/9;overflow:hidden;}
.plate-card.wide .plate-cover{aspect-ratio:16/7;}
.plate-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.plate-card:hover .plate-cover img{transform:scale(1.04);}
.plate-cover .corner{
  position:absolute;top:0;left:0;
  padding:6px 14px 6px 10px;background:var(--purple);color:#fff;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  clip-path:polygon(0 0,100% 0,calc(100% - 12px) 100%,0 100%);
}
.plate-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:8px;flex:1 1 auto;}
.plate-body h3{font-size:18px;font-weight:600;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.plate-body p{font-size:14px;color:var(--text-sub);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.plate-foot{margin-top:auto;padding-top:12px;display:flex;align-items:center;justify-content:space-between;}
.plate-foot .link-arrow{font-size:14px;}

/* ============ 最新信息 ============ */
.news-list{display:flex;flex-direction:column;gap:16px;}
.news-item{
  display:flex;gap:22px;
  background:#fff;border:1px solid var(--light-border);
  border-radius:var(--radius);padding:18px;
  box-shadow:var(--shadow-light);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.news-item:hover{transform:translateY(-3px);border-color:rgba(255,90,31,.4);box-shadow:0 16px 34px rgba(20,12,34,.13);}
.news-thumb{
  flex:0 0 180px;width:180px;height:112px;border-radius:var(--radius-poster);
  overflow:hidden;
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.news-item:hover .news-thumb img{transform:scale(1.04);}
.news-main{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:8px;}
.news-main h3{font-size:18px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-main .excerpt{font-size:14px;color:var(--text-sub);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{margin-top:auto;display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--text-sub);}
.news-meta .date{font-family:var(--font-num);}
.news-more{margin-left:auto;color:var(--brand);font-size:13px;font-weight:600;display:inline-flex;align-items:center;gap:4px;}
.news-more i{transition:transform .22s ease;}
.news-item:hover .news-more i{transform:translateX(4px);}
.empty-state{
  min-height:220px;background:#fff;border:1px dashed var(--light-border);
  border-radius:var(--radius);display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:14px;text-align:center;padding:32px;
}
.empty-state i{font-size:34px;color:var(--brand);}
.empty-state p{font-size:16px;color:var(--text-sub);}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:
    linear-gradient(120deg,rgba(255,90,31,.12),rgba(124,77,255,.12)),
    var(--dark);
  padding:72px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:56px 56px;pointer-events:none;
}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;}
.cta-copy{max-width:660px;position:relative;}
.cta-copy::before{
  content:"";position:absolute;left:-22px;top:6px;width:10px;height:10px;
  background:var(--brand);transform:rotate(45deg);
}
.cta-copy h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;color:#fff;line-height:1.3;}
.cta-copy p{margin-top:12px;font-size:15px;color:var(--dark-sub);}
.cta-btns{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{
  background:#fff;border:1px solid var(--light-border);border-radius:var(--radius);
  overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item:hover{border-color:rgba(255,90,31,.4);box-shadow:var(--shadow-light);}
.faq-q{
  width:100%;background:none;border:none;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:17px;font-weight:600;color:var(--text);
}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:rgba(255,90,31,.12);color:var(--brand);
  display:grid;place-items:center;font-size:16px;line-height:1;
  transition:transform .25s ease,background-color .25s ease,color .25s ease;
}
.faq-q[aria-expanded="true"] .faq-icon{background:var(--brand);color:#fff;transform:rotate(180deg);}
.faq-a{padding:0 32px 22px;font-size:16px;color:var(--text-sub);line-height:1.8;}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:var(--dark-text);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px;}
.footer-brand .brand-text{font-size:18px;}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--dark-sub);line-height:1.85;max-width:300px;}
.footer-col h4{font-size:14px;font-weight:600;letter-spacing:.04em;color:#fff;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--dark-sub);}
.footer-col a:hover{color:var(--brand);}
.footer-form input{
  width:100%;background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-sm);
  padding:13px 16px;color:#fff;font-size:14px;
  transition:border-color .22s ease,background-color .22s ease;
}
.footer-form input::placeholder{color:rgba(169,159,192,.75);}
.footer-form input:hover{background:rgba(255,255,255,.08);}
.footer-form input:focus{outline:none;border-color:var(--brand);background:rgba(255,255,255,.08);}
.footer-form input:invalid:not(:placeholder-shown){border-color:var(--amber);}
.footer-form .btn-brand{margin-top:12px;width:100%;justify-content:center;}
.footer-form .tip{margin-top:10px;font-size:12px;color:rgba(169,159,192,.8);}
.footer-bottom{
  border-top:1px solid var(--line-dark);
  padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--dark-sub);}
.footer-links{display:flex;gap:22px;flex-wrap:wrap;}
.footer-links a{font-size:13px;color:var(--dark-sub);}
.footer-links a:hover{color:var(--brand);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .plate-grid{grid-template-columns:repeat(2,1fr);}
  .plate-card.wide{grid-column:span 2;}
  .footer-grid{grid-template-columns:1.2fr 1fr 1.4fr;gap:32px;}
}
@media (max-width:991.98px){
  .nav-desktop{display:none;}
  .nav-burger{display:flex;}
  .nav-search{display:none;}
  .section{padding:64px 0;}
  .split{grid-template-columns:1fr;gap:24px;}
  .split-nav{position:static;}
  .split-nav ul{flex-direction:row;overflow-x:auto;border-left:none;border-bottom:1px solid var(--light-border);padding-bottom:8px;gap:10px;scrollbar-width:none;}
  .split-nav ul::-webkit-scrollbar{display:none;}
  .split-nav a{border-left:none;border-bottom:3px solid transparent;white-space:nowrap;padding:8px 14px;margin-left:0;}
  .split-nav a.active{border-left:none;border-bottom-color:var(--brand);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .hero{min-height:560px;padding-top:130px;}
}
@media (max-width:767.98px){
  .wrap{padding:0 16px;}
  .section{padding:48px 0;}
  .lib-card{flex:0 0 78vw;}
  .rank-row{gap:14px;padding:14px 0;}
  .rank-num{flex:0 0 40px;font-size:24px;}
  .rank-thumb{flex:0 0 76px;width:76px;height:48px;}
  .rank-main h3{font-size:16px;}
  .rank-main p{display:none;}
  .rank-side .rank-date{display:none;}
  .news-item{flex-direction:column;gap:16px;}
  .news-thumb{flex:none;width:100%;height:180px;}
  .plate-grid{grid-template-columns:1fr;}
  .plate-card.wide{grid-column:span 1;}
  .plate-card.wide .plate-cover{aspect-ratio:16/9;}
  .hero-btns .btn-brand,.hero-btns .btn-ghost{width:100%;justify-content:center;}
  .cta-btns{width:100%;}
  .cta-btns .btn-brand,.cta-btns .btn-ghost{width:100%;justify-content:center;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .hero-stats{gap:28px;}
}
@media (max-width:575.98px){
  .grid-bg::before,.cta-band::before{display:none;}
  .grid-divider{background-image:none;}
  .lib-card{border-radius:var(--radius-sm);}
  .brand-text{font-size:16px;}
  .hero h1{font-size:30px;}
  .hero-tag{font-size:12px;padding:6px 12px;}
  .hero-strip-inner{gap:10px;}
  .rank-num{flex:0 0 34px;font-size:21px;}
}

/* roulang page: article */
:root{
  --brand:#FF5A1F;
  --brand-hover:#E8430C;
  --brand-active:#C9350A;
  --violet:#7C4DFF;
  --gold:#FFC53D;
  --green:#23C08A;

  --dark:#0F0B18;
  --dark-2:#171024;
  --dark-line:rgba(255,255,255,.10);

  --light:#F5F1EA;
  --card:#FFFFFF;
  --line-light:#E7E0D6;

  --t-dark:#F3EFFA;
  --t-dark-2:#A99FC0;
  --t-light:#1A1524;
  --t-light-2:#6B6279;

  --r-card:16px;
  --r-poster:14px;
  --r-btn:999px;
  --r-input:12px;
  --r-img:14px;

  --sh-dark:0 18px 40px rgba(0,0,0,.45);
  --sh-light:0 10px 30px rgba(20,12,34,.08);

  --font-num:'Barlow','Inter',system-ui,sans-serif;
  --sec:88px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t-light);
  background:var(--light);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:700;color:inherit}
p{margin:0 0 16px}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font:inherit}
:focus-visible{outline:3px solid rgba(255,90,31,.45);outline-offset:2px}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.num{font-family:var(--font-num);font-weight:700;letter-spacing:.01em}

/* ============ 顶部导航（与首页一致） ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(15,11,24,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:background .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{background:rgba(15,11,24,.99);border-bottom-color:rgba(255,255,255,.14)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:10px;
  background:var(--brand);color:#fff;
  font-family:var(--font-num);font-weight:800;font-size:14px;letter-spacing:.02em;
}
.brand-text{font-size:18px;font-weight:700;color:var(--t-dark);white-space:nowrap}
.nav-desktop{flex:1 1 auto;display:flex;justify-content:center}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-link{
  display:inline-block;padding:9px 16px;border-radius:var(--r-btn);
  font-size:15px;color:#CFC6E2;white-space:nowrap;
}
.nav-link:hover{background:rgba(255,90,31,.12);color:var(--brand)}
.nav-link.active{background:var(--brand);color:#fff}
.nav-link.active:hover{background:var(--brand-hover);color:#fff}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-search{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-btn);background:rgba(255,255,255,.08);color:var(--t-dark);font-size:16px;
}
.nav-search:hover{background:rgba(255,255,255,.18);color:#fff}
.nav-cta{padding:10px 22px;font-size:15px}
.nav-burger{
  display:none;width:42px;height:42px;border:0;cursor:pointer;
  background:rgba(255,255,255,.08);border-radius:12px;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-burger span{display:block;width:18px;height:2px;border-radius:2px;background:#fff}
.nav-burger:hover{background:rgba(255,255,255,.18)}

/* 移动端抽屉 */
.mobile-nav{background:#141020 !important;color:var(--t-dark);width:320px;border-left:1px solid var(--dark-line)}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--dark-line);padding:20px 22px}
.mobile-nav .offcanvas-title{color:var(--t-dark);font-size:17px;font-weight:700}
.mobile-nav .btn-close{filter:invert(1) grayscale(1);opacity:.7}
.mobile-menu{margin:8px 0 24px}
.mobile-menu a{
  display:block;font-size:17px;line-height:52px;padding:0 22px;color:#D5CCE8;
  border-left:3px solid transparent;
}
.mobile-menu a:hover{background:rgba(255,90,31,.1);color:var(--brand)}
.mobile-menu a.active{color:var(--brand);border-left-color:var(--brand);background:rgba(255,90,31,.08)}

/* ============ 按钮体系 ============ */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--brand);color:#fff;border:0;border-radius:var(--r-btn);
  padding:14px 28px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:background .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn-brand:hover{background:var(--brand-hover);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,90,31,.32)}
.btn-brand:active{background:var(--brand-active);transform:translateY(0);box-shadow:none}
.btn-outline-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;border:1px solid var(--brand);color:var(--brand);
  border-radius:var(--r-btn);padding:13px 26px;font-weight:600;cursor:pointer;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.btn-outline-brand:hover{background:rgba(255,90,31,.12);color:var(--brand-hover);transform:translateY(-2px)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:rgba(255,255,255,.14);color:#fff;border:0;border-radius:var(--r-btn);
  padding:14px 28px;font-weight:600;cursor:pointer;transition:background .22s ease,transform .22s ease;
}
.btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-2px)}
.link-more{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:600;font-size:15px;
}
.link-more i{transition:transform .22s ease}
.link-more:hover{color:var(--brand-hover)}
.link-more:hover i{transform:translateX(4px)}

/* ============ 徽章 / 标签 ============ */
.badge-violet{
  display:inline-block;padding:5px 12px;border-radius:var(--r-btn);
  background:rgba(124,77,255,.1);color:var(--violet);
  font-size:13px;letter-spacing:.04em;font-weight:600;
}
.badge-brand{
  display:inline-block;padding:5px 12px;border-radius:var(--r-btn);
  background:rgba(255,90,31,.12);color:var(--brand);
  font-size:13px;letter-spacing:.04em;font-weight:600;
}
.badge-gold{
  display:inline-block;padding:5px 12px;border-radius:var(--r-btn);
  background:rgba(255,197,61,.16);color:#B57F00;
  font-size:13px;letter-spacing:.04em;font-weight:600;
}

/* ============ 文章头部 ============ */
.article-head{background:var(--light);padding:40px 0 42px;border-bottom:1px solid var(--line-light)}
.breadcrumb-line{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--t-light-2);margin-bottom:22px;
}
.breadcrumb-line a{color:var(--t-light-2)}
.breadcrumb-line a:hover{color:var(--brand)}
.breadcrumb-line .sep{color:#BFB6AE}
.breadcrumb-line em{font-style:normal;color:var(--brand);font-weight:600;max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{
  font-size:clamp(28px,3.8vw,46px);
  font-weight:800;line-height:1.2;letter-spacing:-.02em;
  margin:16px 0 18px;color:var(--t-light);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  font-size:13px;color:var(--t-light-2);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C6BDB4}
.article-meta .num{color:var(--t-light);font-weight:700}

/* ============ 正文区 ============ */
.body-section{background:var(--light);padding:56px 0 var(--sec)}
.article-panel{
  max-width:820px;margin:0 auto;background:var(--card);
  border:1px solid var(--line-light);border-radius:var(--r-card);
  padding:46px 48px 38px;box-shadow:var(--sh-light);
}
.rich-text{font-size:16.5px;line-height:1.9;color:#2A2333}
.rich-text p{margin:0 0 20px}
.rich-text h2{
  position:relative;font-size:26px;font-weight:700;line-height:1.35;
  margin:44px 0 18px;padding-left:16px;color:var(--t-light);
}
.rich-text h2::before{
  content:"";position:absolute;left:0;top:6px;width:4px;height:22px;
  border-radius:2px;background:var(--brand);
}
.rich-text h3{font-size:20px;font-weight:600;margin:32px 0 14px;color:var(--t-light)}
.rich-text h4{font-size:15px;font-weight:600;letter-spacing:.04em;margin:26px 0 12px;color:var(--t-light-2)}
.rich-text ul,.rich-text ol{margin:0 0 20px;padding-left:24px}
.rich-text ul{list-style:disc}
.rich-text ol{list-style:decimal}
.rich-text li{margin:8px 0;line-height:1.9}
.rich-text li::marker{color:var(--brand)}
.rich-text img{border-radius:var(--r-img);margin:12px 0;width:100%;height:auto}
.rich-text figure{margin:20px 0}
.rich-text figcaption{font-size:13px;color:var(--t-light-2);text-align:center;margin-top:10px}
.rich-text blockquote{
  margin:26px 0;padding:18px 20px;border-left:3px solid var(--brand);
  background:#FAF7F2;border-radius:0 12px 12px 0;color:var(--t-light-2);
}
.rich-text blockquote p:last-child{margin-bottom:0}
.rich-text table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.rich-text th{background:rgba(124,77,255,.1);text-align:left;padding:12px 14px;font-weight:600;color:var(--t-light)}
.rich-text td{padding:12px 14px;border-top:1px solid var(--line-light);color:#3B3446}
.rich-text tbody tr:nth-child(even){background:#FAF7F2}
.rich-text a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.rich-text a:hover{color:var(--brand-active)}
.rich-text hr{border:0;border-top:1px solid var(--line-light);margin:34px 0}

/* 空态 */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  min-height:240px;text-align:center;background:var(--card);
  border:1px dashed var(--line-light);border-radius:var(--r-card);padding:44px 24px;
}
.empty-state i{font-size:34px;color:var(--violet)}
.empty-state p{margin:0;font-size:16px;color:var(--t-light-2)}

/* 文末信息条 */
.article-foot{
  max-width:820px;margin:26px auto 0;background:var(--card);
  border:1px solid var(--line-light);border-radius:var(--r-card);
  padding:20px 24px;display:flex;align-items:center;justify-content:space-between;
  gap:18px;flex-wrap:wrap;box-shadow:var(--sh-light);
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.share-row{display:flex;align-items:center;gap:10px}
.share-btn{
  width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;background:rgba(255,255,255,.9);border:1px solid var(--line-light);
  color:var(--t-light-2);font-size:15px;transition:.22s ease;cursor:pointer;
}
.share-btn:hover{color:var(--brand);border-color:rgba(255,90,31,.4);transform:translateY(-2px)}

/* ============ 上一篇 / 下一篇 ============ */
.neighbor-section{background:var(--light);padding:0 0 var(--sec)}
.neighbor-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.neighbor-card{
  display:block;background:var(--card);border:1px solid var(--line-light);
  border-radius:var(--r-card);padding:24px 26px;box-shadow:var(--sh-light);
  transition:border-color .22s ease,transform .22s ease;
}
.neighbor-card:hover{border-color:rgba(255,90,31,.4);transform:translateY(-3px)}
.neighbor-card.is-next{text-align:right}
.neighbor-label{
  display:block;font-size:13px;color:var(--t-light-2);
  letter-spacing:.04em;margin-bottom:10px;
}
.neighbor-card h3{
  font-size:18px;font-weight:600;line-height:1.5;color:var(--t-light);
  transition:color .22s ease;
}
.neighbor-card:hover h3{color:var(--brand)}
.neighbor-card.is-next .neighbor-label{color:var(--violet)}

/* ============ 相关推荐（深区） ============ */
.related-section{
  position:relative;background:var(--dark);color:var(--t-dark);
  padding:var(--sec) 0;overflow:hidden;
}
.related-section::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:52px 52px;opacity:.5;
}
.related-section .wrap{position:relative;z-index:1}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;flex-wrap:wrap;margin-bottom:34px;
}
.sec-title{
  position:relative;font-size:clamp(24px,2.6vw,32px);font-weight:700;
  line-height:1.3;padding-left:16px;color:var(--t-light);
}
.sec-title::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:24px;border-radius:2px;background:var(--brand);
}
.related-section .sec-title{color:var(--t-dark)}
.related-section .sec-desc{font-size:14px;color:var(--t-dark-2);margin:0}
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.related-card{
  display:flex;flex-direction:column;background:var(--dark-2);
  border:1px solid var(--dark-line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.related-card:hover{
  border-color:rgba(255,90,31,.45);transform:translateY(-4px);
  box-shadow:var(--sh-dark);
}
.related-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#1d1530}
.related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.related-card:hover .related-thumb img{transform:scale(1.04)}
.related-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:12px;flex:1}
.related-body h3{
  font-size:17px;font-weight:600;line-height:1.5;color:var(--t-dark);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:51px;
}
.related-time{font-size:13px;color:var(--t-dark-2);font-family:var(--font-num)}

/* ============ 返回入口 ============ */
.back-section{background:var(--light);padding:0 0 var(--sec)}
.back-box{display:flex;flex-direction:column;align-items:center;gap:16px;text-align:center}
.back-box p{margin:0;font-size:14px;color:var(--t-light-2)}

/* ============ 页脚 ============ */
.site-footer{position:relative;background:var(--dark);color:var(--t-dark-2);padding:72px 0 0;overflow:hidden}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:56px 56px;opacity:.5;
}
.site-footer .wrap{position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.5fr;gap:40px}
.footer-brand .brand-text{color:#fff}
.footer-brand p{margin:16px 0 0;font-size:14px;line-height:1.8;color:var(--t-dark-2);max-width:330px}
.footer-col h4{font-size:14px;letter-spacing:.06em;color:#fff;margin-bottom:16px;font-weight:600}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--t-dark-2)}
.footer-col a:hover{color:var(--brand)}
.footer-form input{
  width:100%;padding:13px 16px;border-radius:var(--r-input);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  color:#fff;margin-bottom:12px;transition:.22s ease;
}
.footer-form input::placeholder{color:#8B82A3}
.footer-form input:hover{background:rgba(255,255,255,.1)}
.footer-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(255,90,31,.25)}
.footer-form input:invalid:not(:placeholder-shown){
  border-color:var(--gold);box-shadow:0 0 0 3px rgba(255,197,61,.22);
}
.footer-form .btn-brand{width:100%;padding:13px 24px}
.footer-form .tip{font-size:12.5px;color:#8B82A3;margin:10px 0 0}
.footer-bottom{
  margin-top:56px;border-top:1px solid var(--dark-line);
  padding:22px 0 28px;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:#8B82A3;
}
.footer-bottom p{margin:0}
.footer-links{display:flex;flex-wrap:wrap;gap:18px}
.footer-links a{color:#8B82A3}
.footer-links a:hover{color:var(--brand)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sec:72px}
  .related-grid{grid-template-columns:repeat(3,1fr)}
  .related-grid .related-card:last-child{display:none}
}
@media (max-width:991px){
  :root{--sec:64px}
  .nav-desktop{display:none}
  .nav-burger{display:flex}
  .nav-cta{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .article-panel{padding:36px 32px 30px}
}
@media (max-width:767px){
  :root{--sec:48px}
  .wrap{padding:0 16px}
  .brand-text{font-size:16px}
  .article-head{padding:26px 0 30px}
  .breadcrumb-line em{max-width:100%;white-space:normal}
  .article-panel{padding:26px 20px 22px;border-radius:12px}
  .rich-text{font-size:16px}
  .rich-text h2{font-size:22px;margin:34px 0 14px}
  .rich-text h3{font-size:18px}
  .neighbor-grid{grid-template-columns:1fr}
  .neighbor-card.is-next{text-align:left}
  .related-grid{grid-template-columns:1fr;gap:18px}
  .related-grid .related-card:last-child{display:flex}
  .article-foot{flex-direction:column;align-items:flex-start}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start;text-align:left}
  .btn-brand,.btn-outline-brand,.btn-ghost{width:100%}
  .back-box .btn-outline-brand{width:auto;min-width:200px}
}
@media (max-width:576px){
  .related-section::before,.site-footer::before{display:none}
  .article-panel,.related-card,.neighbor-card,.article-foot{border-radius:12px}
  .article-title{font-size:26px}
}

/* roulang page: category1 */
:root{
  --brand:#FF5A1F;
  --brand-hover:#E8430C;
  --brand-active:#C9350A;
  --violet:#7C4DFF;
  --gold:#FFC53D;
  --green:#23C08A;
  --dark:#0F0B18;
  --dark-2:#171024;
  --line-dark:rgba(255,255,255,.10);
  --light:#F5F1EA;
  --white:#FFFFFF;
  --line-light:#E7E0D6;
  --t-dark:#F3EFFA;
  --t-dark-2:#A99FC0;
  --t-light:#1A1524;
  --t-light-2:#6B6279;
  --r-card:16px;
  --r-poster:14px;
  --r-pill:999px;
  --r-input:12px;
  --r-img:14px;
  --sh-dark:0 18px 40px rgba(0,0,0,.45);
  --sh-light:0 10px 30px rgba(20,12,34,.08);
  --bs-primary:#FF5A1F;
  --bs-link-color:#FF5A1F;
  --bs-link-hover-color:#E8430C;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC','Inter',sans-serif;
  font-size:16px;line-height:1.75;color:var(--t-light);background:var(--light);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--brand-hover)}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;line-height:1.25}
p{margin:0}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(255,90,31,.30);outline-offset:2px}

.wrap{max-width:1240px;margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(15,11,24,.90);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background-color .25s ease,border-color .25s ease;
}
.site-header.scrolled{background:rgba(15,11,24,.98);border-bottom-color:var(--line-dark)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--t-dark)}
.brand:hover{color:var(--t-dark)}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  background:linear-gradient(135deg,#FF5A1F,#FF8A3D);
  color:#fff;font-family:'Barlow','Inter',sans-serif;font-weight:700;font-size:15px;
  letter-spacing:.02em;display:grid;place-items:center;
}
.brand-text{font-size:18px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.nav-desktop{flex:1 1 auto;display:flex;justify-content:center}
.nav-menu{display:flex;align-items:center;gap:6px}
.nav-link{
  display:inline-block;padding:8px 16px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:rgba(243,239,250,.78);white-space:nowrap;
}
.nav-link:hover{background:rgba(255,90,31,.12);color:var(--brand)}
.nav-link.active{background:var(--brand);color:#fff;font-weight:600}
.nav-link.active:hover{background:var(--brand-hover);color:#fff}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-search{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.14);color:rgba(243,239,250,.80);font-size:15px;
}
.nav-search:hover{border-color:var(--brand);color:var(--brand)}
.nav-burger{
  width:40px;height:38px;border:1px solid rgba(255,255,255,.14);border-radius:12px;
  background:transparent;display:none;flex-direction:column;justify-content:center;align-items:center;gap:4px;
}
.nav-burger span{display:block;width:16px;height:2px;border-radius:2px;background:var(--t-dark)}
.nav-burger:hover{border-color:var(--brand)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;border-radius:var(--r-pill);
  padding:14px 28px;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,background-color .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(255,90,31,.26)}
.btn-brand:hover{background:var(--brand-hover);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,90,31,.36)}
.btn-brand:active{background:var(--brand-active);transform:translateY(0)}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-outline:hover{background:rgba(255,90,31,.12);color:var(--brand-active);border-color:var(--brand-active)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff}
.nav-cta{padding:11px 22px;font-size:14px}

/* ---------- drawer ---------- */
.nav-drawer{background:rgba(15,11,24,.96);color:var(--t-dark);width:320px;border-left:1px solid var(--line-dark)}
.nav-drawer .offcanvas-header{padding:20px 24px;border-bottom:1px solid var(--line-dark)}
.nav-drawer .offcanvas-body{padding:12px 16px 28px}
.drawer-close{width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.14);background:transparent;color:var(--t-dark)}
.drawer-close:hover{border-color:var(--brand);color:var(--brand)}
.drawer-menu{margin-bottom:20px}
.drawer-menu a{
  position:relative;display:block;padding:14px 16px;border-radius:12px;
  font-size:17px;color:var(--t-dark);
}
.drawer-menu a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:18px;border-radius:2px;background:transparent;
}
.drawer-menu a:hover{background:rgba(255,90,31,.12);color:var(--brand)}
.drawer-menu a.active{background:rgba(255,90,31,.14);color:var(--brand);font-weight:600}
.drawer-menu a.active::before{background:var(--brand)}
.drawer-cta{width:100%}

/* ---------- hero banner ---------- */
.cat-hero{
  position:relative;overflow:hidden;color:var(--t-dark);
  background-image:linear-gradient(90deg,rgba(15,11,24,.94) 0%,rgba(15,11,24,.72) 46%,rgba(15,11,24,.42) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:linear-gradient(rgba(255,255,255,.9) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:48px 48px;
}
.cat-hero .wrap{position:relative;z-index:2;padding-top:54px;padding-bottom:58px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--t-dark-2);margin-bottom:18px}
.crumb a{color:var(--t-dark-2)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:rgba(169,159,192,.6)}
.crumb .current{color:var(--brand);font-weight:600}
.cat-hero h1{
  font-size:clamp(30px,4.2vw,52px);font-weight:800;line-height:1.15;letter-spacing:-.02em;
  color:#fff;max-width:820px;
}
.cat-hero .hero-sub{margin-top:16px;font-size:17px;color:rgba(243,239,250,.82);max-width:620px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.04em;font-weight:600;
  background:rgba(124,77,255,.20);color:#CBB6FF;
}
.hero-tag.gold{background:rgba(255,197,61,.16);color:var(--gold)}
.hero-tag .live{width:6px;height:6px;border-radius:50%;background:var(--green);display:inline-block}

/* ---------- 主体两栏 ---------- */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.light-zone{background:var(--light)}
.cat-layout{display:grid;grid-template-columns:240px 1fr;gap:32px;align-items:start}

.filter-panel{
  position:sticky;top:88px;background:var(--white);border:1px solid var(--line-light);
  border-radius:var(--r-card);padding:26px 22px;box-shadow:var(--sh-light);
}
.filter-title{font-size:16px;font-weight:700;color:var(--t-light);margin-bottom:18px}
.filter-block + .filter-block{margin-top:22px;padding-top:20px;border-top:1px solid var(--line-light)}
.filter-sub{font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--t-light-2);margin-bottom:10px}
.filter-item{
  position:relative;display:block;padding:9px 12px 9px 16px;border-radius:10px;
  font-size:15px;color:var(--t-light-2);
}
.filter-item::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:16px;border-radius:2px;background:transparent;transition:background-color .2s ease;
}
.filter-item:hover{background:rgba(255,90,31,.08);color:var(--brand)}
.filter-item.active{background:rgba(255,90,31,.08);color:var(--brand);font-weight:600}
.filter-item.active::before{background:var(--brand)}
.tag-checks{display:flex;flex-wrap:wrap;gap:8px}
.tag-check{position:relative;display:inline-flex;cursor:pointer}
.tag-check input{position:absolute;opacity:0;width:0;height:0}
.tag-check span{
  display:inline-block;padding:6px 14px;border-radius:var(--r-pill);font-size:13px;
  border:1px solid var(--line-light);color:var(--t-light-2);background:#FBF9F5;transition:all .2s ease;
}
.tag-check:hover span{border-color:rgba(255,90,31,.45);color:var(--brand)}
.tag-check input:checked + span{background:rgba(255,90,31,.12);border-color:rgba(255,90,31,.4);color:var(--brand);font-weight:600}
.tag-check input:focus-visible + span{outline:3px solid rgba(255,90,31,.30);outline-offset:2px}
.filter-actions{display:flex;flex-direction:column;gap:10px;margin-top:24px}
.filter-actions .btn{width:100%;padding:12px 20px;font-size:14px}

.panel-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.panel-head h2{
  position:relative;font-size:26px;font-weight:700;color:var(--t-light);padding-left:16px;
}
.panel-head h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:22px;border-radius:2px;background:var(--brand);
}
.panel-head .count{font-size:13px;color:var(--t-light-2)}

.card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.slot-card{
  background:var(--white);border:1px solid var(--line-light);border-radius:var(--r-card);
  overflow:hidden;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.slot-card:hover{transform:translateY(-4px);box-shadow:var(--sh-light);border-color:rgba(255,90,31,.30)}
.slot-link{display:block;color:inherit}
.slot-link:hover{color:inherit}
.slot-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EDE7DD}
.slot-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.slot-card:hover .slot-media img{transform:scale(1.04)}
.slot-badge{
  position:absolute;top:12px;left:12px;padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.04em;color:#fff;background:rgba(255,90,31,.94);
}
.slot-body{padding:20px 22px 22px}
.slot-title{
  font-size:19px;font-weight:600;color:var(--t-light);line-height:1.4;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.slot-desc{margin-top:10px;font-size:14px;color:var(--t-light-2);line-height:1.7}
.slot-meta{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:13px;color:var(--t-light-2)}
.slot-cat{
  padding:2px 10px;border-radius:var(--r-pill);font-size:12px;font-weight:600;letter-spacing:.04em;
  background:rgba(124,77,255,.10);color:var(--violet);
}
.slot-more{margin-left:auto;color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:4px}
.slot-more i{transition:transform .2s ease}
.slot-card:hover .slot-more i{transform:translateX(4px)}

/* ---------- pager ---------- */
.pager{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;margin-top:44px}
.pager-btn{
  min-width:36px;height:36px;padding:0 12px;border-radius:var(--r-pill);display:inline-flex;
  align-items:center;justify-content:center;font-size:14px;font-weight:600;
  color:var(--t-light-2);background:var(--white);border:1px solid var(--line-light);
  font-family:'Barlow','Inter',sans-serif;
}
.pager-btn:hover{background:rgba(255,90,31,.12);border-color:rgba(255,90,31,.3);color:var(--brand)}
.pager-btn.current{background:var(--brand);border-color:var(--brand);color:#fff}
.pager-btn.pager-next{font-family:inherit;font-weight:600;padding:0 20px}

/* ---------- 说明型内容块 ---------- */
.explain{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.08fr);gap:40px;align-items:center}
.explain-media{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-light);aspect-ratio:4/3;background:#EDE7DD}
.explain-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.explain-media:hover img{transform:scale(1.04)}
.explain-body h2{
  position:relative;font-size:30px;font-weight:700;color:var(--t-light);padding-left:16px;margin-bottom:20px;
}
.explain-body h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:22px;border-radius:2px;background:var(--brand);
}
.explain-body p{font-size:16px;color:var(--t-light-2);line-height:1.85}
.explain-body p + p{margin-top:16px}
.explain-note{
  margin-top:22px;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--t-light-2);
  padding:12px 16px;border-radius:12px;background:var(--white);border:1px solid var(--line-light);
}
.explain-note i{color:var(--brand)}

/* ---------- FAQ ---------- */
.faq-block{max-width:920px;margin:0 auto}
.faq-list{display:grid;gap:12px;margin-top:28px}
.faq-item{
  background:var(--white);border:1px solid var(--line-light);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(255,90,31,.40);box-shadow:var(--sh-light)}
.faq-head{margin:0}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:none;border:0;text-align:left;
  font-size:17px;font-weight:600;color:var(--t-light);
}
.faq-icon{
  width:26px;height:26px;flex:0 0 26px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,90,31,.12);color:var(--brand);font-size:15px;font-weight:700;
  transition:transform .25s ease,background-color .25s ease,color .25s ease;
}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-a{padding:0 24px 22px;font-size:16px;color:var(--t-light-2);line-height:1.8}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;color:var(--t-dark);
  background:linear-gradient(120deg,rgba(255,90,31,.10),rgba(124,77,255,.10)),var(--dark);
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:linear-gradient(rgba(255,255,255,.9) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:44px 44px;
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-text h2{font-size:30px;font-weight:700;color:#fff}
.cta-text p{margin-top:10px;font-size:15px;color:var(--t-dark-2)}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-corner{
  position:absolute;top:0;left:0;z-index:3;
  padding:8px 18px;font-size:12px;font-weight:700;letter-spacing:.08em;color:#fff;
  background:var(--brand);border-bottom-right-radius:14px;
}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:var(--t-dark-2);padding:72px 0 0;border-top:1px solid var(--line-dark)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--t-dark-2);max-width:320px}
.footer-col h4{font-size:14px;font-weight:600;letter-spacing:.04em;color:var(--t-dark);margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col ul a{font-size:14px;color:var(--t-dark-2)}
.footer-col ul a:hover{color:var(--brand)}
.footer-form{display:grid;gap:12px}
.footer-form input{
  width:100%;padding:13px 16px;border-radius:var(--r-input);
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  color:var(--t-dark);font-size:14px;transition:border-color .2s ease,background-color .2s ease;
}
.footer-form input::placeholder{color:rgba(169,159,192,.75)}
.footer-form input:hover{background:rgba(255,255,255,.08)}
.footer-form input:focus{outline:none;border-color:var(--brand);background:rgba(255,255,255,.08)}
.footer-form input:invalid:not(:placeholder-shown){border-color:var(--gold)}
.footer-form .btn{width:100%;padding:13px 20px;font-size:14px}
.footer-form .tip{font-size:12px;color:rgba(169,159,192,.8);line-height:1.7}
.footer-bottom{
  margin-top:56px;padding:22px 0 30px;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
}
.footer-bottom p{font-size:13px;color:rgba(169,159,192,.85)}
.footer-links{display:flex;flex-wrap:wrap;gap:18px}
.footer-links a{font-size:13px;color:rgba(169,159,192,.85)}
.footer-links a:hover{color:var(--brand)}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-col:last-child{grid-column:1 / -1;max-width:420px}
}
@media (max-width:991.98px){
  .nav-desktop{display:none}
  .nav-cta{display:none}
  .nav-burger{display:flex}
  .section{padding:64px 0}
  .section-tight{padding:48px 0}
  .cat-layout{grid-template-columns:1fr;gap:24px}
  .filter-panel{position:static;padding:16px 16px 18px}
  .filter-title{display:none}
  .filter-block + .filter-block{margin-top:12px;padding-top:0;border-top:0}
  .filter-block{display:flex;align-items:center;gap:12px;margin-top:0;margin-bottom:12px;overflow-x:auto;padding-bottom:4px}
  .filter-sub{margin:0;white-space:nowrap}
  .filter-list{display:flex;gap:8px}
  .filter-list li{flex:0 0 auto}
  .filter-item{padding:8px 14px;border-radius:var(--r-pill);background:#F7F3EC;white-space:nowrap}
  .filter-item::before{display:none}
  .filter-item.active{background:rgba(255,90,31,.14)}
  .tag-checks{flex-wrap:nowrap}
  .tag-check{flex:0 0 auto}
  .filter-actions{flex-direction:row;margin-top:16px}
  .filter-actions .btn{flex:1 1 0}
  .card-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .explain{grid-template-columns:1fr;gap:28px}
  .explain-media{aspect-ratio:16/9}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:767.98px){
  .wrap{padding:0 16px}
  .cat-hero .wrap{padding-top:40px;padding-bottom:44px}
  .cat-hero .hero-sub{font-size:15px}
  .section{padding:48px 0}
  .section-tight{padding:40px 0}
  .card-grid{grid-template-columns:1fr}
  .slot-title{font-size:18px}
  .cta-text h2{font-size:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .panel-head h2{font-size:22px}
  .explain-body h2{font-size:24px}
  .faq-q{font-size:16px;padding:18px 20px}
  .faq-a{padding:0 20px 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;text-align:left}
}
@media (max-width:575.98px){
  .brand-text{font-size:16px}
  .cat-hero h1{font-size:28px}
  .slot-card{border-radius:12px}
  .faq-item{border-radius:12px}
  .tag-check span{font-size:12px;padding:5px 12px}
  .pager-btn{min-width:34px;height:34px;font-size:13px}
}

/* roulang page: category2 */
:root{
  --brand:#FF5A1F;
  --brand-hover:#E8430C;
  --brand-active:#C9350A;
  --violet:#7C4DFF;
  --amber:#FFC53D;
  --green:#23C08A;
  --dark:#0F0B18;
  --dark-2:#171024;
  --line-dark:rgba(255,255,255,.10);
  --light:#F5F1EA;
  --white:#FFFFFF;
  --line-light:#E7E0D6;
  --t-dark:#F3EFFA;
  --t-dark-muted:#A99FC0;
  --t-light:#1A1524;
  --t-muted:#6B6279;
  --radius:16px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-dark:0 18px 40px rgba(0,0,0,.45);
  --shadow-light:0 10px 30px rgba(20,12,34,.08);
  --font-cn:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC',sans-serif;
  --font-num:'Barlow','Inter','PingFang SC','Microsoft YaHei',sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--t-light);
  background:var(--light);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button,input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.wrap{max-width:1240px;margin:0 auto;padding:0 24px;}

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-pill);border:1px solid transparent;
  font-weight:600;line-height:1.2;cursor:pointer;
  transition:transform .22s ease,background-color .22s ease,box-shadow .22s ease,color .22s ease,border-color .22s ease;
}
.btn-brand{background:var(--brand);color:#fff;padding:14px 28px;}
.btn-brand:hover{background:var(--brand-hover);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(255,90,31,.30);}
.btn-brand:active{background:var(--brand-active);transform:translateY(0);}
.btn-brand:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(255,90,31,.30);}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;padding:14px 28px;}
.btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff;}
.btn-outline{border-color:var(--brand);color:var(--brand);background:transparent;padding:13px 26px;}
.btn-outline:hover{background:rgba(255,90,31,.12);color:var(--brand-hover);}
.btn-sm{padding:10px 20px;font-size:15px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--dark);
  border-bottom:1px solid var(--line-dark);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;display:grid;place-items:center;
  background:var(--brand);color:#fff;
  font-family:var(--font-num);font-size:15px;font-weight:700;letter-spacing:.02em;
  clip-path:polygon(0 0,100% 0,100% 68%,68% 100%,0 100%);
  border-radius:10px;
}
.brand-text{color:var(--t-dark);font-size:18px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.nav-desktop{flex:1 1 auto;display:flex;justify-content:center;}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-link{
  display:inline-block;padding:9px 16px;border-radius:var(--radius-pill);
  font-size:15px;color:var(--t-dark-muted);
}
.nav-link:hover{background:rgba(255,90,31,.12);color:var(--brand);}
.nav-link.active{background:var(--brand);color:#fff;}
.nav-link.active:hover{background:var(--brand-hover);color:#fff;}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{
  width:40px;height:40px;border-radius:var(--radius-pill);
  display:grid;place-items:center;color:var(--t-dark-muted);background:rgba(255,255,255,.06);
  font-size:16px;
}
.nav-search:hover{background:var(--brand);color:#fff;}
.nav-cta{padding:10px 22px;font-size:15px;}
.nav-burger{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:40px;padding:0 9px;border:0;background:transparent;cursor:pointer;
}
.nav-burger span{display:block;height:2px;border-radius:2px;background:var(--t-dark);}

/* 移动端抽屉 */
.mobile-drawer{background:rgba(15,11,24,.96);color:var(--t-dark);width:320px;max-width:86vw;border-left:1px solid var(--line-dark);}
.mobile-drawer .offcanvas-header{border-bottom:1px solid var(--line-dark);padding:18px 20px;}
.drawer-title{font-size:17px;font-weight:700;color:var(--t-dark);}
.mobile-drawer .btn-close{filter:invert(1) grayscale(1) brightness(2.2);opacity:.8;}
.mobile-drawer .btn-close:hover{opacity:1;}
.mobile-drawer .offcanvas-body{padding:12px 8px;}
.m-nav a{
  display:block;padding:15px 16px;font-size:17px;line-height:1.4;
  color:#CFC8DE;border-left:3px solid transparent;border-radius:10px;
}
.m-nav a:hover{color:#fff;background:rgba(255,255,255,.06);}
.m-nav a.active{color:#fff;border-left-color:var(--brand);background:rgba(255,90,31,.12);}

/* ---------- 面包屑 ---------- */
.crumb{font-size:13px;color:var(--t-muted);padding-top:22px;}
.crumb a{color:var(--t-muted);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{margin:0 8px;color:#BEB6C8;}
.crumb .current{color:var(--brand);}

/* ---------- 页头 ---------- */
.page-head{background:var(--light);padding-bottom:40px;}
.page-head-inner{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:end;
  padding:22px 0 0;
}
.page-head h1{
  font-size:clamp(30px,4.2vw,52px);font-weight:800;line-height:1.15;
  letter-spacing:-.02em;margin-bottom:14px;
}
.page-head .lead{font-size:16px;color:var(--t-muted);max-width:680px;}
.page-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;letter-spacing:.04em;padding:5px 11px;border-radius:var(--radius-pill);
}
.tag--violet{background:rgba(124,77,255,.10);color:var(--violet);}
.tag--brand{background:rgba(255,90,31,.12);color:var(--brand);}
.tag--green{background:rgba(35,192,138,.12);color:#0F8F66;}
.tag--green::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--green);}
.tag--amber{background:rgba(255,197,61,.18);color:#9A6B00;}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section--dark{background:var(--dark);color:var(--t-dark);}
.section--white{background:var(--white);}
.section--tight{padding:64px 0;}
.section-title{
  display:flex;align-items:center;gap:14px;
  font-size:clamp(26px,3vw,34px);font-weight:700;line-height:1.25;margin-bottom:14px;
}
.section-title::before{content:"";width:4px;height:22px;border-radius:4px;background:var(--brand);flex:0 0 auto;}
.section-desc{font-size:16px;color:var(--t-muted);max-width:760px;margin-bottom:32px;}
.section--dark .section-desc{color:var(--t-dark-muted);}

/* ---------- 横滑标签条 ---------- */
.tabstrip{
  display:flex;gap:10px;overflow-x:auto;padding:6px 2px 14px;
  -webkit-overflow-scrolling:touch;scrollbar-width:thin;
}
.chip{
  flex:0 0 auto;padding:9px 18px;border-radius:var(--radius-pill);
  border:1px solid var(--line-light);background:#fff;color:var(--t-muted);
  font-size:14px;letter-spacing:.04em;white-space:nowrap;
  transition:all .2s ease;
}
.chip:hover{border-color:rgba(255,90,31,.45);color:var(--brand);}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(255,90,31,.22);}

/* ---------- 榜单列表 ---------- */
.rank-board{
  background:#fff;border:1px solid var(--line-light);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-light);
}
.rank-row{
  position:relative;
  display:grid;grid-template-columns:48px minmax(0,1fr) auto;
  align-items:center;gap:20px;
  padding:18px 24px;border-bottom:1px solid var(--line-light);
  transition:transform .22s ease,background-color .22s ease;
}
.rank-row:last-child{border-bottom:0;}
.rank-row::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:0 3px 3px 0;
  background:var(--brand);opacity:0;transition:opacity .22s ease;
}
.rank-row:hover{background:#FBF8F3;transform:translateX(4px);}
.rank-row:hover::before{opacity:1;}
.rank-num{
  font-family:var(--font-num);font-size:48px;font-weight:700;line-height:1;
  color:var(--brand);
}
.rank-row.is-top .rank-num{color:var(--amber);}
.rank-title{font-size:18px;font-weight:600;line-height:1.45;margin-bottom:4px;}
.rank-sub{font-size:13px;color:var(--t-muted);letter-spacing:.02em;}
.rank-tags{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;}

/* ---------- 双列图文 ---------- */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.duo + .duo{margin-top:72px;}
.duo--reverse .duo-media{order:2;}
.duo-media{border-radius:14px;overflow:hidden;box-shadow:var(--shadow-light);}
.duo-media img{width:100%;height:320px;object-fit:cover;transition:transform .5s ease;}
.duo-media:hover img{transform:scale(1.04);}
.duo-body h3{font-size:20px;font-weight:600;margin-bottom:16px;}
.duo-body p{color:var(--t-muted);margin-bottom:16px;font-size:16px;line-height:1.8;}
.duo-body p:last-child{margin-bottom:0;}

/* ---------- 数据统计条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat{
  background:var(--dark-2);border:1px solid var(--line-dark);border-radius:var(--radius);
  padding:26px 24px;
}
.stat-num{font-family:var(--font-num);font-size:38px;font-weight:700;line-height:1;color:#fff;}
.stat-num span{font-size:18px;margin-left:4px;color:var(--brand);}
.stat-label{font-size:13px;letter-spacing:.04em;color:var(--t-dark-muted);margin-top:10px;}

/* ---------- CTA ---------- */
.cta-band{
  margin-top:48px;border-radius:var(--radius);padding:44px 40px;
  background:linear-gradient(120deg,rgba(255,90,31,.10),rgba(124,77,255,.10));
  border:1px solid var(--line-dark);
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:28px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;top:-40px;width:120px;height:120px;
  background:var(--brand);opacity:.18;
  clip-path:polygon(100% 0,100% 100%,0 0);
}
.cta-band h3{font-size:24px;font-weight:700;margin-bottom:10px;color:var(--t-dark);}
.cta-band p{font-size:15px;color:var(--t-dark-muted);}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;}
.faq-list .accordion-item{
  border:1px solid var(--line-light);border-radius:var(--radius);
  background:#fff;margin-bottom:12px;overflow:hidden;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-list .accordion-item:hover{border-color:rgba(255,90,31,.4);box-shadow:var(--shadow-light);}
.faq-list .accordion-button{
  background:#fff;color:var(--t-light);font-size:17px;font-weight:600;
  padding:20px 24px;box-shadow:none;border:0;
}
.faq-list .accordion-button:not(.collapsed){color:var(--brand);background:#fff;box-shadow:none;}
.faq-list .accordion-button:focus{box-shadow:none;border:0;outline:none;}
.faq-list .accordion-button::after{
  content:"+";
  flex:0 0 auto;width:30px;height:30px;margin-left:16px;
  display:grid;place-items:center;border-radius:50%;
  background-color:var(--brand);background-image:none;
  color:#fff;font-size:19px;font-weight:600;line-height:1;
  transform:none;transition:transform .25s ease,background-color .25s ease;
}
.faq-list .accordion-button:not(.collapsed)::after{content:"−";transform:rotate(180deg);}
.faq-list .accordion-body{padding:2px 24px 22px;color:var(--t-muted);font-size:16px;line-height:1.8;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--t-dark-muted);padding:72px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.5fr;gap:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:15px;line-height:1.8;color:var(--t-dark-muted);}
.footer-col h4{font-size:14px;font-weight:600;letter-spacing:.04em;color:var(--t-dark);margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:15px;color:var(--t-dark-muted);}
.footer-col a:hover{color:var(--brand);}
.footer-form input{
  width:100%;background:var(--dark-2);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-sm);padding:12px 16px;color:var(--t-dark);
  margin-bottom:12px;transition:border-color .2s ease,background-color .2s ease;
}
.footer-form input::placeholder{color:#837A9C;}
.footer-form input:hover{border-color:rgba(255,255,255,.26);}
.footer-form input:focus{outline:none;border-color:var(--brand);}
.footer-form input:not(:placeholder-shown):invalid{border-color:var(--amber);}
.footer-form .btn{width:100%;}
.footer-form .tip{font-size:13px;color:#8B81A5;margin-top:10px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line-dark);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:14px;
}
.footer-links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-links a:hover{color:var(--brand);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .duo{gap:36px;}
  .duo-media img{height:290px;}
}
@media (max-width:991.98px){
  .nav-desktop{display:none;}
  .nav-burger{display:flex;}
  .nav-cta{display:none;}
  .section{padding:64px 0;}
  .page-head-inner{grid-template-columns:minmax(0,1fr);align-items:start;}
  .duo{grid-template-columns:1fr;gap:24px;}
  .duo--reverse .duo-media{order:0;}
  .duo-media img{height:260px;}
  .stats{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{grid-template-columns:minmax(0,1fr);padding:36px 28px;}
}
@media (max-width:767.98px){
  .rank-row{grid-template-columns:40px minmax(0,1fr);gap:14px;padding:16px 18px;}
  .rank-num{font-size:36px;}
  .rank-tags{grid-column:2;justify-content:flex-start;margin-top:4px;}
  .section{padding:48px 0;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px;}
  .brand-text{font-size:16px;}
  .nav-search{display:none;}
  .rank-board{border-radius:var(--radius-sm);}
  .rank-row{grid-template-columns:32px minmax(0,1fr);padding:14px 14px;}
  .rank-num{font-size:30px;}
  .rank-title{font-size:16px;}
  .stats{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-form .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .duo-media img{height:220px;}
}