/* roulang page: index */
:root{
  --bg-deep:#0B1114;
  --bg-panel:#131C21;
  --bg-elev:#1B262C;
  --paper:#F6F3EC;
  --ink:#182226;
  --ink-2:#5A6A72;
  --brand:#F3B23C;
  --brand-ink:#1A1206;
  --jade:#1FC0A3;
  --coral:#FF5C46;
  --text:#EAF0F2;
  --text-2:#9FB0B8;
  --text-3:#5B6A72;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(243,178,60,.35);
  --paper-line:rgba(24,34,38,.12);
  --r-sm:8px;--r-md:12px;--r-lg:16px;--r-xl:22px;--r-pill:999px;
  --sh-sm:0 4px 14px rgba(0,0,0,.35);
  --sh-md:0 14px 32px rgba(0,0,0,.45);
  --sh-lg:0 26px 62px rgba(0,0,0,.58);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec:96px;
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-deep);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:17px;
  line-height:1.75;
  letter-spacing:.015em;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:var(--jade);text-decoration:none;transition:color .24s var(--ease);}
a:hover{color:var(--brand);}
button,input{font-family:inherit;font-size:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.25;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
::selection{background:rgba(243,178,60,.35);color:#fff;}
:focus-visible{outline:2px solid var(--jade);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 32px;
}
.section{padding:var(--sec) 0;}
.section--tight{padding:60px 0;}
.section--loose{padding:120px 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:38px;
}
.section-head__text{max-width:720px;}
.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.18em;
  color:var(--brand);
  text-transform:uppercase;
  margin-bottom:12px;
  font-weight:600;
}
.section-title{font-size:clamp(24px,2.6vw,34px);color:#fff;}
.section-sub{margin-top:12px;color:var(--text-2);font-size:15.5px;line-height:1.8;}
.more-link{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--jade);font-weight:600;font-size:15px;white-space:nowrap;
}
.more-link i{transition:transform .24s var(--ease);}
.more-link:hover i{transform:translateX(4px);}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:13px 26px;
  border-radius:var(--r-md);border:1px solid transparent;
  font-weight:600;font-size:15.5px;cursor:pointer;
  transition:transform .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{background:var(--brand);color:var(--brand-ink);box-shadow:var(--sh-sm);}
.btn-primary:hover{background:#F8C158;color:var(--brand-ink);transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-sm);}
.btn-ghost{
  background:rgba(10,16,20,.42);color:#fff;border-color:rgba(255,255,255,.28);
  backdrop-filter:blur(6px);
}
.btn-ghost:hover{color:#fff;border-color:var(--line-strong);background:rgba(243,178,60,.14);}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-outline:hover{background:rgba(243,178,60,.12);color:var(--brand);}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;filter:saturate(.6);}

/* ===== 徽章与标签 ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  background:rgba(31,192,163,.12);color:var(--jade);
  border:1px solid rgba(31,192,163,.28);
}
.badge--brand{background:rgba(243,178,60,.14);color:var(--brand);border-color:rgba(243,178,60,.32);}
.live-dot{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;font-weight:600;color:var(--coral);
}
.live-dot::before{
  content:"";width:7px;height:7px;border-radius:50%;
  background:var(--coral);box-shadow:0 0 0 4px rgba(255,92,70,.18);
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-block;padding:5px 12px;border-radius:var(--r-pill);
  font-size:13px;color:var(--text-2);border:1px solid var(--line);
  background:rgba(255,255,255,.03);transition:all .24s var(--ease);
}
.tag:hover{color:var(--brand);border-color:var(--line-strong);}

/* ===== 导航 ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  height:var(--nav-h);
  display:flex;align-items:center;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background-color .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(11,17,20,.94);
  border-bottom-color:var(--line);
  box-shadow:0 8px 26px rgba(0,0,0,.45);
}
.nav-inner{
  width:100%;max-width:1280px;margin:0 auto;padding:0 32px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.brand{display:flex;align-items:center;gap:11px;color:#fff;font-weight:700;font-size:19px;letter-spacing:-.01em;}
.brand:hover{color:#fff;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--brand) 0%,#E08B1E 60%,#B96B12 100%);
  display:flex;align-items:center;justify-content:center;
  color:#1A1206;font-size:15px;font-weight:800;
  box-shadow:0 6px 16px rgba(243,178,60,.28);
}
.brand-text strong{color:var(--brand);font-weight:700;}
.nav-pill{
  display:flex;align-items:center;gap:4px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:5px;
}
.nav-pill a{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;
  border-radius:var(--r-pill);color:var(--text-2);font-size:15px;font-weight:600;
  transition:all .24s var(--ease);
}
.nav-pill a:hover{color:#fff;background:rgba(255,255,255,.07);}
.nav-pill a.is-active{color:var(--brand);background:rgba(243,178,60,.13);box-shadow:inset 0 -2px 0 var(--brand);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.icon-btn{
  width:44px;height:44px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:var(--text);cursor:pointer;transition:all .24s var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:var(--line-strong);background:rgba(243,178,60,.12);}
.nav-cta{padding:11px 20px;font-size:15px;}
.burger{display:none;}

/* 搜索覆盖条 */
.search-bar{
  position:fixed;top:0;left:0;right:0;z-index:95;
  background:rgba(11,17,20,.97);
  border-bottom:1px solid var(--line);
  padding:22px 0;
  transform:translateY(-110%);
  transition:transform .3s var(--ease);
}
.search-bar.is-open{transform:translateY(0);}
.search-bar form{display:flex;gap:12px;align-items:center;}
.search-bar input{
  flex:1;min-height:48px;padding:0 18px;border-radius:var(--r-md);
  background:var(--bg-panel);border:1px solid var(--line);color:var(--text);
}
.search-bar input::placeholder{color:var(--text-3);}
.search-bar input:focus{outline:none;border-color:var(--jade);box-shadow:0 0 0 3px rgba(31,192,163,.22);}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:90;
  opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;z-index:96;
  background:var(--bg-panel);border-left:1px solid var(--line);
  padding:24px 22px 40px;
  transform:translateX(100%);
  transition:transform .3s var(--ease);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer__title{font-size:16px;font-weight:700;color:#fff;}
.drawer a.drawer__link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 4px;color:var(--text);
  border-bottom:1px solid var(--line);font-size:16px;font-weight:600;
}
.drawer a.drawer__link.is-active{color:var(--brand);}
.drawer a.drawer__link:hover{color:var(--brand);}
.drawer__cta{margin-top:24px;width:100%;}

/* ===== Hero ===== */
.hero{
  position:relative;
  min-height:86vh;
  display:flex;align-items:center;
  padding:calc(var(--nav-h) + 60px) 0 56px;
  overflow:hidden;
}
.hero__bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  transform:scale(1.02);
}
.hero__bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(11,17,20,.94) 0%,rgba(11,17,20,.82) 42%,rgba(11,17,20,.35) 78%,rgba(11,17,20,.6) 100%),
    linear-gradient(180deg,rgba(11,17,20,.7) 0%,rgba(11,17,20,.2) 40%,var(--bg-deep) 100%);
}
.hero__noise{
  position:absolute;inset:0;pointer-events:none;opacity:.04;
  background-image:radial-gradient(rgba(255,255,255,.8) 1px,transparent 1px);
  background-size:4px 4px;
}
.hero .container{position:relative;z-index:2;}
.hero__inner{max-width:660px;}
.hero h1{
  font-size:clamp(30px,4.2vw,54px);
  color:#fff;
  margin-bottom:20px;
  line-height:1.18;
}
.hero h1 em{color:var(--brand);font-style:normal;}
.hero__sub{
  font-size:clamp(16px,1.35vw,18.5px);
  color:#D3DDE1;line-height:1.85;
  margin-bottom:32px;max-width:600px;
}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px;}
.hero-thumbs{
  display:flex;gap:16px;
  overflow-x:auto;padding-bottom:6px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.hero-thumbs::-webkit-scrollbar{display:none;}
.hero-thumb{
  flex:0 0 auto;width:132px;
  border-radius:var(--r-md);overflow:hidden;
  border:1px solid var(--line);
  background:var(--bg-panel);
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.hero-thumb img{width:100%;aspect-ratio:2/3;object-fit:cover;transition:transform .32s var(--ease);}
.hero-thumb span{display:block;padding:9px 10px;font-size:12.5px;color:var(--text-2);}
.hero-thumb:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--sh-md);}
.hero-thumb:hover img{transform:scale(1.05);}
.hero-thumb.is-current{border-color:var(--brand);box-shadow:0 0 0 1px rgba(243,178,60,.5),var(--sh-md);}
.hero__scroll{
  position:absolute;right:32px;bottom:34px;z-index:3;
  display:flex;align-items:center;gap:8px;
  font-size:12.5px;color:var(--text-2);letter-spacing:.14em;
}
.hero__scroll i{animation:bob 2.4s infinite;}
@keyframes bob{0%,100%{transform:translateY(0);}50%{transform:translateY(5px);}}

/* ===== 横滑片库 ===== */
.rail-wrap{position:relative;}
.rail{
  display:flex;gap:16px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:6px 0 18px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.rail::-webkit-scrollbar{display:none;}
.rail::after{content:"";flex:0 0 1px;}
.rail-card{
  flex:0 0 auto;width:216px;scroll-snap-align:start;
  border-radius:var(--r-lg);overflow:hidden;
  background:var(--bg-panel);border:1px solid var(--line);
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.rail-card__media{position:relative;overflow:hidden;}
.rail-card__media img{width:100%;aspect-ratio:2/3;object-fit:cover;transition:transform .32s var(--ease);}
.rail-card__overlay{
  position:absolute;left:0;right:0;bottom:0;padding:16px 14px 12px;
  background:linear-gradient(180deg,rgba(0,0,0,0) 0%,rgba(0,0,0,.85) 100%);
  font-size:13px;color:#E7EDEF;
}
.rail-card__overlay strong{display:block;font-size:15px;color:#fff;margin-bottom:4px;}
.rail-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--sh-md);}
.rail-card:hover .rail-card__media img{transform:scale(1.05);}
.rail-nav{
  width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--bg-elev);border:1px solid var(--line);color:#fff;cursor:pointer;
  transition:all .24s var(--ease);
}
.rail-nav:hover{background:var(--brand);color:var(--brand-ink);border-color:var(--brand);}
.rail-arrows{display:flex;gap:10px;}
.rail-progress{display:none;height:3px;background:rgba(255,255,255,.1);border-radius:99px;margin-top:12px;overflow:hidden;}
.rail-progress span{display:block;height:100%;width:36%;background:var(--brand);border-radius:99px;}

/* ===== 热播非对称网格 ===== */
.hot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.hot-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background:var(--bg-panel);border:1px solid var(--line);
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.hot-card__media{position:relative;overflow:hidden;}
.hot-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .34s var(--ease);}
.hot-card--lead{grid-column:span 2;grid-row:span 2;display:flex;flex-direction:column;}
.hot-card--lead .hot-card__media{aspect-ratio:16/9;}
.hot-card:not(.hot-card--lead) .hot-card__media{aspect-ratio:2/3;}
.hot-card__body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.hot-card__title{font-size:17px;color:#fff;font-weight:700;}
.hot-card--lead .hot-card__title{font-size:22px;}
.hot-card__desc{font-size:14.5px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.hot-card__meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;font-size:13px;color:var(--text-3);}
.hot-card__corner{
  position:absolute;top:12px;left:12px;z-index:2;
}
.hot-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--sh-md);}
.hot-card:hover .hot-card__media img{transform:scale(1.05);}

/* ===== 最新信息（CMS） ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{
  display:flex;flex-direction:column;
  background:var(--bg-panel);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;
  transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.news-card__cover{display:block;overflow:hidden;}
.news-card__cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .32s var(--ease);}
.news-card__body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-card__title{font-size:17px;line-height:1.5;}
.news-card__title a{color:#fff;}
.news-card__title a:hover{color:var(--brand);}
.news-card__excerpt{font-size:14.5px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card__foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-3);border-top:1px solid var(--line);padding-top:14px;
}
.news-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--sh-md);}
.news-card:hover .news-card__cover img{transform:scale(1.05);}
.empty-state{
  text-align:center;padding:64px 24px;
  border:1px dashed var(--line);border-radius:var(--r-lg);
  background:rgba(255,255,255,.02);
}
.empty-state i{font-size:34px;color:var(--text-3);margin-bottom:16px;display:block;}
.empty-state p{color:var(--text-2);margin-bottom:20px;}

/* ===== 片单分区 A ===== */
.listband{display:grid;grid-template-columns:38% 1fr;gap:44px;align-items:start;}
.listband__poster{
  border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh-md);
}
.listband__poster img{width:100%;aspect-ratio:2/3;object-fit:cover;}
.rank-list{border-top:1px solid var(--line);}
.rank-row{
  display:flex;align-items:center;gap:20px;
  padding:18px 14px;border-bottom:1px solid var(--line);
  transition:background-color .26s var(--ease);
}
.rank-row:hover{background:rgba(255,255,255,.045);}
.rank-num{
  font-size:34px;font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;min-width:56px;
  transition:color .26s var(--ease);
}
.rank-row:hover .rank-num{color:var(--coral);}
.rank-thumb{width:118px;flex:0 0 auto;border-radius:var(--r-sm);overflow:hidden;}
.rank-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.rank-body{flex:1;min-width:0;}
.rank-body strong{display:block;font-size:17px;color:#fff;margin-bottom:4px;}
.rank-body span{font-size:14px;color:var(--text-2);}
.rank-arrow{color:var(--text-3);transition:transform .26s var(--ease),color .26s var(--ease);}
.rank-row:hover .rank-arrow{transform:translateX(4px);color:var(--brand);}

/* ===== 片单分区 B（纸面） ===== */
.paper-band{background:var(--paper);color:var(--ink);padding:var(--sec) 0;}
.paper-band .eyebrow{color:#B8791A;}
.paper-band .section-title{color:var(--ink);}
.paper-band .section-sub{color:var(--ink-2);}
.stagger{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.stagger__card{
  background:#fff;border:1px solid var(--paper-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:0 6px 20px rgba(24,34,38,.08);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.stagger__card:nth-child(even){margin-top:46px;}
.stagger__card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.stagger__body{padding:22px 24px 26px;}
.paper-band h3{font-size:21px;color:var(--ink);margin-bottom:10px;}
.paper-band p{color:var(--ink-2);font-size:16px;line-height:1.85;}
.stagger__card:hover{transform:translateY(-6px);box-shadow:0 18px 40px rgba(24,34,38,.16);border-color:rgba(243,178,60,.55);}
.paper-tag{
  display:inline-block;padding:5px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;color:#0F7F6B;background:rgba(31,192,163,.14);
  border:1px solid rgba(31,192,163,.3);
}

/* ===== FAQ ===== */
.faq-list{border-top:1px solid var(--line);}
.faq-list .accordion-title{
  padding:22px 44px 22px 0;
  font-size:17px;font-weight:600;color:#fff;
  border-bottom:1px solid var(--line);
  position:relative;
  display:block;
}
.faq-list .accordion-title:hover,.faq-list .accordion-title:focus{background:transparent;color:var(--brand);}
.faq-list .accordion-title::before{
  content:"+";position:absolute;right:12px;top:50%;transform:translateY(-50%);
  font-size:22px;color:var(--brand);line-height:1;
  transition:transform .3s var(--ease);
  background:none;margin:0;width:auto;height:auto;
}
.faq-list .is-active>.accordion-title::before{content:"+";transform:translateY(-50%) rotate(135deg);}
.faq-list .accordion-content{
  background:transparent;color:var(--text-2);
  font-size:15.5px;line-height:1.8;padding:0 40px 22px 0;
  border-bottom:1px solid var(--line);
}
.faq-list{border:0;background:transparent;}
.faq-list .accordion-item{border:0;background:transparent;}

/* ===== CTA ===== */
.cta-band{
  border-radius:var(--r-xl);
  background:
    radial-gradient(120% 140% at 8% 0%,rgba(243,178,60,.16) 0%,rgba(243,178,60,.04) 45%,rgba(243,178,60,0) 70%),
    var(--bg-panel);
  border:1px solid rgba(243,178,60,.35);
  padding:46px 48px;
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:0;opacity:.04;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:4px 4px;
}
.cta-band h2{font-size:clamp(24px,2.6vw,32px);color:#fff;margin-bottom:12px;}
.cta-band p{color:var(--text-2);font-size:15.5px;}
.cta-form{display:flex;gap:12px;position:relative;z-index:2;}
.cta-form input{
  flex:1;min-height:50px;padding:0 18px;border-radius:var(--r-md);
  background:rgba(11,17,20,.7);border:1px solid var(--line);color:var(--text);
}
.cta-form input::placeholder{color:var(--text-3);}
.cta-form input:focus{outline:none;border-color:var(--jade);box-shadow:0 0 0 3px rgba(31,192,163,.25);}
.cta-form .btn{min-width:124px;}
.cta-note{font-size:13px;color:var(--text-3);margin-top:12px;}

/* ===== 页脚 ===== */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-deep);
  padding:72px 0 0;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.foot-brand .brand{margin-bottom:16px;font-size:18px;}
.foot-desc{color:var(--text-2);font-size:14.5px;line-height:1.8;margin-bottom:18px;}
.foot-social{display:flex;gap:10px;}
.foot-social a{
  width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-2);
}
.foot-social a:hover{color:var(--brand);border-color:var(--line-strong);background:rgba(243,178,60,.12);}
.foot-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;}
.foot-links li{margin-bottom:12px;}
.foot-links a{color:var(--text-2);font-size:14.5px;}
.foot-links a:hover{color:var(--brand);}
.foot-contact li{color:var(--text-2);font-size:14.5px;margin-bottom:12px;display:flex;gap:10px;align-items:flex-start;}
.foot-contact i{color:var(--brand);margin-top:5px;}
.foot-bottom{
  margin-top:56px;border-top:1px solid rgba(243,178,60,.3);
  padding:22px 0 30px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13.5px;color:var(--text-3);
}
.foot-bottom a{color:var(--text-3);}
.foot-bottom a:hover{color:var(--brand);}

/* ===== 响应式 ===== */
@media screen and (max-width:1439px){
  .container,.nav-inner{max-width:1280px;}
}
@media screen and (max-width:1023px){
  :root{--sec:72px;--nav-h:66px;}
  .container,.nav-inner{padding:0 20px;}
  .nav-pill{display:none;}
  .burger{display:inline-flex;}
  .nav-cta{display:none;}
  .hot-grid{grid-template-columns:repeat(2,1fr);}
  .hot-card--lead{grid-column:span 2;grid-row:auto;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .listband{grid-template-columns:1fr;gap:32px;}
  .listband__poster{max-width:340px;}
  .cta-band{grid-template-columns:1fr;padding:38px 30px;gap:26px;}
  .foot-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  .stagger__card:nth-child(even){margin-top:32px;}
  .hero{min-height:74vh;}
  .hero__scroll{display:none;}
}
@media screen and (max-width:639px){
  :root{--sec:52px;--nav-h:62px;}
  body{font-size:16.5px;}
  .container,.nav-inner{padding:0 16px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:26px;}
  .hero{min-height:66vh;padding-top:calc(var(--nav-h) + 40px);}
  .hero__actions{gap:10px;}
  .hero__actions .btn{width:100%;}
  .hero-thumb{width:118px;}
  .hot-grid{grid-template-columns:1fr;}
  .hot-card--lead{grid-column:span 1;}
  .news-grid{grid-template-columns:1fr;}
  .stagger{grid-template-columns:1fr;}
  .stagger__card:nth-child(even){margin-top:0;}
  .rank-row{gap:14px;padding:16px 8px;}
  .rank-num{font-size:26px;min-width:42px;}
  .rank-thumb{width:88px;}
  .cta-band{padding:30px 20px;border-radius:var(--r-lg);}
  .cta-form{flex-direction:column;}
  .cta-form .btn{width:100%;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .rail-card{width:180px;}
}

/* roulang page: article */
:root{
  --bg-deep:#0B1114;
  --bg-panel:#131C21;
  --bg-elev:#1B262C;
  --paper:#F6F3EC;
  --ink:#182226;
  --ink-2:#5A6A72;
  --paper-line:rgba(24,34,38,.12);
  --brand:#F3B23C;
  --brand-ink:#241703;
  --jade:#1FC0A3;
  --coral:#FF5C46;
  --text:#EAF0F2;
  --text-2:#9FB0B8;
  --text-3:#5B6A72;
  --line:rgba(255,255,255,.10);
  --line-hover:rgba(243,178,60,.35);
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:22px;
  --r-pill:999px;
  --sh-sm:0 2px 10px rgba(0,0,0,.35);
  --sh-md:0 14px 30px rgba(0,0,0,.42);
  --sh-lg:0 28px 62px rgba(0,0,0,.52);
  --ease:cubic-bezier(.2,.7,.3,1);
  --seg:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-deep);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:17px;
  line-height:1.75;
  font-weight:400;
  letter-spacing:.012em;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block}
a{color:var(--jade);text-decoration:none;transition:color .24s var(--ease),opacity .24s var(--ease)}
a:hover{color:var(--brand)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.008em;color:var(--text)}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--jade);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 32px}
.eyebrow{
  font-size:12px;letter-spacing:.18em;color:var(--brand);
  font-weight:600;text-transform:uppercase;margin-bottom:12px;display:block;
}
.section-title{font-size:clamp(24px,2.6vw,34px);line-height:1.3}
.section-sub{color:var(--text-2);font-size:15.5px;max-width:660px;margin-top:12px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:var(--r-md);
  font-size:15.5px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;transition:all .24s var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--brand);color:var(--brand-ink);box-shadow:var(--sh-sm)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--sh-md);color:var(--brand-ink)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-sm)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28)}
.btn-ghost:hover{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.5)}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-outline:hover{background:rgba(243,178,60,.10);color:var(--brand)}
.btn-link{background:none;border:0;color:var(--jade);padding:6px 0;font-weight:600;min-height:auto}
.btn-link i{transition:transform .24s var(--ease)}
.btn-link:hover{color:var(--brand)}
.btn-link:hover i{transform:translateX(4px)}
.btn:disabled{opacity:.45;cursor:not-allowed;filter:saturate(.5)}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  transition:background .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
  border-bottom:1px solid transparent;
  background:linear-gradient(180deg,rgba(11,17,20,.82),rgba(11,17,20,0));
}
.site-header.is-solid{
  background:rgba(11,17,20,.94);
  border-bottom-color:var(--line);
  box-shadow:0 6px 22px rgba(0,0,0,.40);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:74px;gap:20px}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff}
.brand:hover{color:#fff}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:none;
  background:linear-gradient(150deg,var(--brand),#c98a1c);
  color:var(--brand-ink);font-weight:700;font-size:18px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(243,178,60,.28);
}
.brand-text{font-size:18px;font-weight:700;letter-spacing:-.01em;color:#fff}
.brand-text strong{color:var(--brand);font-weight:700}
.nav-pill{
  display:flex;align-items:center;gap:6px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  border-radius:var(--r-pill);padding:5px;
}
.nav-pill a{
  position:relative;display:block;padding:9px 16px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--text-2);transition:all .24s var(--ease);
}
.nav-pill a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-pill a.is-active{color:var(--brand);background:rgba(243,178,60,.12)}
.header-actions{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  background:rgba(255,255,255,.04);color:var(--text);display:flex;
  align-items:center;justify-content:center;cursor:pointer;transition:all .24s var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:var(--line-hover)}
.burger{display:none}

/* search overlay */
.search-overlay{
  position:fixed;left:0;right:0;top:0;z-index:80;
  background:rgba(11,17,20,.97);border-bottom:1px solid var(--line);
  padding:26px 0;transform:translateY(-110%);transition:transform .3s var(--ease);
}
.search-overlay.is-open{transform:translateY(0)}
.search-form{display:flex;gap:12px;align-items:center}
.search-form input{
  flex:1;min-height:50px;border-radius:var(--r-md);border:1px solid var(--line);
  background:var(--bg-panel);color:var(--text);padding:0 18px;font-size:16px;
}
.search-form input::placeholder{color:var(--text-3)}
.search-form input:focus{outline:none;border-color:var(--jade);box-shadow:0 0 0 3px rgba(31,192,163,.18)}

/* drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:90;
  opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;z-index:100;
  background:var(--bg-panel);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .3s var(--ease);
  padding:22px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 14px;border-radius:var(--r-md);
  color:var(--text);font-size:16px;border:1px solid transparent;
}
.drawer-nav a:hover{background:var(--bg-elev);color:var(--brand)}
.drawer-nav a.is-active{color:var(--brand);border-color:var(--line-hover);background:rgba(243,178,60,.08)}
.drawer .btn{width:100%;margin-top:18px}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;padding:150px 0 76px;overflow:hidden;
  background-image:linear-gradient(90deg,rgba(11,17,20,.94) 26%,rgba(11,17,20,.72) 62%,rgba(11,17,20,.92) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.article-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:140px;
  background:linear-gradient(180deg,rgba(11,17,20,0),var(--bg-deep));
}
.article-hero .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-2);margin-bottom:22px}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--brand)}
.crumb span.sep{color:var(--text-3)}
.badge-jade{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(31,192,163,.12);color:var(--jade);
  border:1px solid rgba(31,192,163,.28);border-radius:var(--r-pill);
  padding:5px 14px;font-size:13px;font-weight:600;
}
.article-hero h1{
  font-size:clamp(28px,4vw,48px);line-height:1.24;margin:18px 0 16px;max-width:920px;
}
.article-lead{
  color:var(--text-2);font-size:16.5px;line-height:1.8;max-width:760px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;
  margin-top:26px;padding-top:22px;border-top:1px solid var(--line);
  font-size:14px;color:var(--text-2);
}
.meta-row i{color:var(--brand);margin-right:6px}
.meta-actions{margin-left:auto;display:flex;gap:10px}

/* ---------- layout ---------- */
.article-wrap{padding:0 0 var(--seg);margin-top:-36px;position:relative;z-index:3}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px;align-items:start}
.paper{
  background:var(--paper);color:var(--ink);
  border-radius:18px;padding:56px 60px;
  box-shadow:var(--sh-lg);
}
.paper h2,.paper h3,.paper h4{color:var(--ink)}
.article-body{max-width:760px;margin:0 auto;font-size:17.5px;line-height:1.9;color:var(--ink)}
.article-body h2{font-size:clamp(21px,2.2vw,26px);line-height:1.4;margin:2.2em 0 .8em;padding-left:16px;border-left:4px solid var(--brand)}
.article-body h3{font-size:20px;line-height:1.45;margin:1.6em 0 .7em}
.article-body h4{font-size:17px;margin:1.4em 0 .6em}
.article-body p{margin:0 0 1.15em;color:#22303a}
.article-body a{color:#0F8C77;text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:#B8781A}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.3em}
.article-body ul li{list-style:none;position:relative;padding-left:18px;margin-bottom:.55em}
.article-body ul li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--jade)}
.article-body ol{list-style:decimal}
.article-body ol li{margin-bottom:.55em}
.article-body blockquote{
  margin:1.5em 0;padding:16px 22px;border-left:3px solid var(--brand);
  background:rgba(243,178,60,.10);border-radius:0 var(--r-md) var(--r-md) 0;color:#3a4a53;
}
.article-body img{border-radius:var(--r-md);margin:1.6em auto;box-shadow:var(--sh-sm)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--ink-2);margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15.5px;border-radius:var(--r-md);overflow:hidden}
.article-body th{background:rgba(24,34,38,.06);font-weight:600;text-align:left}
.article-body th,.article-body td{border:1px solid var(--paper-line);padding:11px 14px}
.article-body pre{
  background:#101a1f;color:#d8e6ea;padding:18px;border-radius:var(--r-md);
  overflow-x:auto;font-size:14.5px;line-height:1.7;margin:1.6em 0;
}
.article-body code{background:rgba(24,34,38,.07);padding:2px 6px;border-radius:6px;font-size:.92em}
.article-body pre code{background:none;padding:0}
.article-body hr{border:0;border-top:1px solid var(--paper-line);margin:2.2em 0}

/* sidebar */
.side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--bg-panel);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:20px;box-shadow:var(--sh-sm);
}
.side-title{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-title i{color:var(--brand)}
.toc-list a{
  display:block;padding:8px 12px;border-left:2px solid transparent;
  color:var(--text-2);font-size:14.5px;border-radius:0 var(--r-sm) var(--r-sm) 0;
  transition:all .22s var(--ease);
}
.toc-list a:hover{color:#fff;background:rgba(255,255,255,.05)}
.toc-list a.is-current{color:var(--brand);border-left-color:var(--brand);background:rgba(243,178,60,.08)}
.toc-list li.toc-sub a{padding-left:26px;font-size:14px}
.mini-item{display:flex;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
.mini-item:last-child{border-bottom:0;padding-bottom:0}
.mini-item img{width:88px;height:56px;object-fit:cover;border-radius:var(--r-sm);flex:none}
.mini-item h4{font-size:14.5px;line-height:1.5;font-weight:600}
.mini-item h4 a{color:var(--text)}
.mini-item h4 a:hover{color:var(--brand)}
.mini-item time{font-size:12.5px;color:var(--text-3)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-block;padding:6px 13px;border-radius:var(--r-pill);
  border:1px solid rgba(31,192,163,.35);color:var(--jade);
  font-size:13px;transition:all .22s var(--ease);
}
.tag:hover{background:rgba(31,192,163,.14);color:var(--jade)}

/* interaction bar */
.interact-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:32px;padding-top:26px;border-top:1px solid var(--line);
}
.interact-btn{
  display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 18px;
  border-radius:var(--r-pill);border:1px solid var(--line);background:rgba(255,255,255,.04);
  color:var(--text-2);font-size:14.5px;cursor:pointer;transition:all .24s var(--ease);
}
.interact-btn:hover{color:var(--brand);border-color:var(--line-hover)}
.interact-btn.is-on{color:var(--brand);border-color:var(--line-hover);background:rgba(243,178,60,.10)}

/* related */
.related{padding:var(--seg) 0 0}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:28px}
.hcard{
  display:flex;flex-direction:column;background:var(--bg-panel);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-sm);transition:all .28s var(--ease);
}
.hcard:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:var(--line-hover)}
.hcard figure{margin:0;aspect-ratio:16/9;overflow:hidden}
.hcard figure img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease)}
.hcard:hover figure img{transform:scale(1.05)}
.hcard-body{padding:18px 20px 20px}
.hcard-body h3{font-size:17px;line-height:1.55;margin:10px 0 8px}
.hcard-body h3 a{color:var(--text)}
.hcard-body h3 a:hover{color:var(--brand)}
.hcard-body p{font-size:14.5px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hcard time{font-size:13px;color:var(--text-3);display:block;margin-top:10px}

/* CTA */
.cta-band{
  margin-top:var(--seg);border-radius:var(--r-xl);
  background:rgba(243,178,60,.08);border:1px solid rgba(243,178,60,.32);
  padding:44px;display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.04;
  background-image:radial-gradient(rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:14px 14px;
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);position:relative}
.cta-band p{color:var(--text-2);margin-top:12px;font-size:15.5px;position:relative}
.cta-form{display:flex;gap:12px;position:relative}
.cta-form input{
  flex:1;min-height:50px;border-radius:var(--r-md);border:1px solid var(--line);
  background:rgba(11,17,20,.6);color:var(--text);padding:0 18px;font-size:15.5px;
}
.cta-form input::placeholder{color:var(--text-3)}
.cta-form input:focus{outline:none;border-color:var(--jade);box-shadow:0 0 0 3px rgba(31,192,163,.18)}
.cta-form .btn{min-width:120px}

/* empty state */
.empty{
  text-align:center;padding:70px 20px;color:var(--ink-2);
}
.empty i{font-size:38px;color:var(--brand);margin-bottom:16px;display:block}
.empty h2{font-size:22px;margin-bottom:10px}
.empty a{color:#0F8C77;font-weight:600}

/* footer */
.site-footer{border-top:1px solid var(--line);background:var(--bg-deep);padding:66px 0 26px;margin-top:var(--seg)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px}
.foot-desc{color:var(--text-2);font-size:14.5px;margin-top:16px;max-width:320px}
.foot-title{font-size:15px;margin-bottom:16px;color:#fff}
.foot-links li,.foot-contact li{margin-bottom:11px}
.foot-links a{color:var(--text-2);font-size:14.5px}
.foot-links a:hover{color:var(--brand)}
.foot-contact li{display:flex;gap:10px;color:var(--text-2);font-size:14.5px;align-items:flex-start}
.foot-contact i{color:var(--brand);margin-top:4px}
.foot-social{display:flex;gap:10px;margin-top:18px}
.foot-social a{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--text-2);
}
.foot-social a:hover{color:var(--brand);border-color:var(--line-hover)}
.foot-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(243,178,60,.28);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.5px;color:var(--text-3);
}

/* responsive */
@media (max-width:1279px){
  .container{padding:0 24px}
  .paper{padding:44px 40px}
}
@media (max-width:1023px){
  :root{--seg:72px}
  .nav-pill,.header-actions .btn{display:none}
  .burger{display:flex}
  .article-layout{grid-template-columns:1fr}
  .side{position:static}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{grid-template-columns:1fr;padding:34px 26px}
  .foot-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .paper{padding:36px 30px}
}
@media (max-width:767px){
  body{font-size:16.5px}
  .container{padding:0 18px}
  .header-inner{height:66px}
  .brand-text{font-size:16.5px}
  .article-hero{padding:118px 0 56px}
  .article-hero h1{font-size:clamp(24px,7vw,32px)}
  .article-lead{-webkit-line-clamp:4;font-size:15.5px}
  .meta-actions{margin-left:0;width:100%}
  .paper{padding:26px 20px;border-radius:var(--r-lg)}
  .article-body{font-size:17px}
  .related-grid{grid-template-columns:1fr}
  .cta-form{flex-direction:column}
  .cta-form .btn{width:100%}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;gap:8px}
}
@media (max-width:519px){
  :root{--seg:52px}
  .article-hero{padding-top:104px}
  .article-body h2{padding-left:12px}
  .interact-bar{gap:8px}
  .interact-btn{padding:0 14px;font-size:13.5px}
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root{
  --bg-deep:#0B1114;
  --bg-panel:#131C21;
  --bg-elev:#1B262C;
  --paper:#F6F3EC;
  --ink:#182226;
  --ink-2:#5A6A72;
  --brand:#F3B23C;
  --brand-ink:#20180A;
  --jade:#1FC0A3;
  --coral:#FF5C46;
  --text:#EAF0F2;
  --text-2:#9FB0B8;
  --text-3:#5B6A72;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(243,178,60,.35);
  --line-paper:rgba(24,34,38,.12);
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:22px;
  --r-pill:999px;
  --sh-sm:0 4px 14px rgba(0,0,0,.35);
  --sh-md:0 14px 32px rgba(0,0,0,.45);
  --sh-lg:0 26px 64px rgba(0,0,0,.55);
  --ease:cubic-bezier(.2,.7,.3,1);
  --wrap:1280px;
}

/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-deep);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:17px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--jade);text-decoration:none;transition:color .24s var(--ease),opacity .24s var(--ease);}
a:hover,a:focus{color:var(--brand);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em;}
h1{font-size:clamp(30px,4.2vw,54px);}
h2{font-size:clamp(24px,2.8vw,34px);}
h3{font-size:clamp(20px,2vw,22px);}
h4{font-size:17px;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
table{border-collapse:collapse;}
:focus-visible{outline:2px solid var(--jade);outline-offset:2px;}
::selection{background:rgba(243,178,60,.35);color:#fff;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 容器 ============ */
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 32px;}
@media (min-width:1440px){.container{max-width:1360px;}}
@media (max-width:1023px){.container{padding:0 20px;}}
@media (max-width:639px){.container{padding:0 16px;}}

/* ============ 通用元素 ============ */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.18em;font-weight:600;
  color:var(--brand);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brand);display:inline-block;}
.section{padding:96px 0;}
.section--tight{padding-top:64px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head p{color:var(--text-2);font-size:16px;margin-top:12px;max-width:640px;}
.link-more{color:var(--jade);font-weight:600;font-size:15px;white-space:nowrap;}
.link-more i{margin-left:6px;transition:transform .24s var(--ease);}
.link-more:hover i{transform:translateX(4px);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:14px 26px;border-radius:var(--r-md);
  font-size:15.5px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;transition:all .24s var(--ease);cursor:pointer;
}
.btn-primary{background:var(--brand);color:var(--brand-ink);box-shadow:var(--sh-sm);}
.btn-primary:hover{background:#FFC154;color:var(--brand-ink);transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-sm);}
.btn-ghost{background:rgba(255,255,255,.06);color:#fff;border-color:rgba(255,255,255,.28);backdrop-filter:blur(6px);}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.5);transform:translateY(-1px);}
.btn-outline{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn-outline:hover{background:rgba(243,178,60,.12);color:var(--brand);}
.btn-sm{padding:10px 18px;font-size:14.5px;min-height:40px;}
.btn:disabled{opacity:.5;cursor:not-allowed;filter:saturate(.6);}
.btn-block{width:100%;}

/* ============ 顶部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  transition:background .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(11,17,20,.92);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  box-shadow:0 12px 34px rgba(0,0,0,.4);
}
.head-inner{display:flex;align-items:center;gap:20px;height:78px;}
.brand{display:flex;align-items:center;gap:10px;color:#fff;flex-shrink:0;}
.brand:hover{color:#fff;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(150deg,#F7C25C,#D08C18);
  color:var(--brand-ink);font-weight:700;font-size:19px;letter-spacing:0;
  box-shadow:0 6px 16px rgba(243,178,60,.28);
}
.brand-text{font-weight:700;font-size:19px;letter-spacing:-.01em;white-space:nowrap;}
.brand-text strong{color:var(--brand);font-weight:700;}
.nav-pill{
  display:flex;align-items:center;gap:4px;margin:0 auto;padding:6px;
  border:1px solid var(--line);border-radius:var(--r-pill);
  background:rgba(19,28,33,.6);
}
.nav-pill a{
  position:relative;padding:9px 18px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--text-2);white-space:nowrap;
  transition:color .24s var(--ease),background .24s var(--ease);
}
.nav-pill a:hover{color:#fff;background:rgba(255,255,255,.07);}
.nav-pill a.is-active{color:var(--brand);font-weight:600;}
.nav-pill a.is-active::after{
  content:"";position:absolute;left:18px;right:18px;bottom:2px;height:2px;border-radius:2px;background:var(--brand);
}
.head-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.icon-btn{
  width:44px;height:44px;border-radius:var(--r-md);display:grid;place-items:center;
  color:var(--text-2);border:1px solid var(--line);background:rgba(255,255,255,.03);
  transition:all .24s var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:var(--line-strong);background:rgba(243,178,60,.08);}
.burger{display:none;}

/* 覆盖式搜索条 */
.search-bar{
  position:absolute;left:0;right:0;top:100%;
  background:rgba(11,17,20,.97);
  border-bottom:1px solid var(--line);
  box-shadow:0 24px 40px rgba(0,0,0,.45);
  max-height:0;overflow:hidden;transition:max-height .3s var(--ease);
}
.search-bar.is-open{max-height:160px;}
.search-bar .container{display:flex;align-items:center;gap:14px;padding-top:20px;padding-bottom:20px;}
.search-bar input{
  flex:1;background:var(--bg-panel);border:1px solid var(--line);border-radius:var(--r-md);
  padding:13px 18px;color:var(--text);font-size:15.5px;
}
.search-bar input::placeholder{color:var(--text-3);}
.search-bar input:focus{outline:none;border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(31,192,163,.18);}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:70;
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility .3s;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;z-index:80;
  background:var(--bg-panel);border-left:1px solid var(--line);
  padding:24px 22px;overflow-y:auto;
  transform:translateX(102%);transition:transform .32s var(--ease);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 4px;font-size:16.5px;font-weight:500;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--brand);}
.drawer-cta{margin-top:26px;display:grid;gap:12px;}

/* ============ 分类 Hero ============ */
.cat-hero{position:relative;overflow:hidden;padding:150px 0 66px;min-height:44vh;display:flex;align-items:flex-end;}
.cat-hero__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  filter:blur(2px);
  transform:scale(1.06);
}
.cat-hero__veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,17,20,.82) 0%,rgba(11,17,20,.9) 52%,var(--bg-deep) 100%);
}
.cat-hero .container{position:relative;z-index:2;width:100%;}
.cat-hero h1{max-width:900px;margin:18px 0 20px;}
.cat-hero h1 em{font-style:normal;color:var(--brand);}
.cat-hero__sub{max-width:680px;font-size:17px;color:var(--text-2);line-height:1.8;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:40px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line);}
.hero-stat b{display:block;font-size:28px;color:var(--brand);font-weight:700;line-height:1.2;}
.hero-stat span{font-size:13.5px;color:var(--text-3);letter-spacing:.02em;}

/* ============ 粘性筛选条 ============ */
.filter-bar{
  position:sticky;top:86px;z-index:40;
  padding:14px 0;
  background:rgba(11,17,20,.9);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.filter-scroll{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;}
.filter-scroll::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;align-items:center;min-height:40px;padding:9px 20px;
  border-radius:var(--r-pill);border:1px solid var(--line);
  background:rgba(255,255,255,.03);color:var(--text-2);
  font-size:14.5px;font-weight:500;white-space:nowrap;
  transition:all .24s var(--ease);
}
.chip:hover{color:#fff;border-color:var(--line-strong);background:rgba(243,178,60,.08);}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:var(--brand-ink);font-weight:600;}

/* ============ 卖点卡 ============ */
.grid-gap{margin-left:-12px;margin-right:-12px;}
.grid-gap>.cell{padding-left:12px;padding-right:12px;margin-bottom:24px;}
.feature-card{
  height:100%;background:var(--bg-panel);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-sm);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
  display:flex;flex-direction:column;gap:12px;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:var(--line-strong);}
.feature-card h3{font-size:20px;}
.feature-card p{color:var(--text-2);font-size:15.5px;line-height:1.8;}
.feature-ico{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:rgba(31,192,163,.12);color:var(--jade);font-size:19px;
  border:1px solid rgba(31,192,163,.24);
}
.feature-card--wide{
  background:
    linear-gradient(120deg,rgba(19,28,33,.94) 42%,rgba(19,28,33,.55) 100%),
    url('/assets/images/coverpic/cover-7.webp') center/cover no-repeat;
  border-color:rgba(243,178,60,.28);
}
.feature-card--wide p{max-width:420px;}
.feature-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:14px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;
  background:rgba(31,192,163,.12);color:var(--jade);
  border:1px solid rgba(31,192,163,.22);
}
.tag--brand{background:rgba(243,178,60,.12);color:var(--brand);border-color:rgba(243,178,60,.28);}
.tag--coral{background:rgba(255,92,70,.12);color:var(--coral);border-color:rgba(255,92,70,.28);}
.dot-live{width:6px;height:6px;border-radius:50%;background:var(--coral);display:inline-block;}

/* ============ 内容网格 ============ */
.news-grid>.cell{margin-bottom:24px;}
.news-card{
  height:100%;display:flex;flex-direction:column;
  background:var(--bg-panel);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-sm);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:var(--line-strong);}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-elev);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-thumb .badge{
  position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(11,17,20,.78);border:1px solid rgba(31,192,163,.4);
  color:var(--jade);font-size:12.5px;font-weight:600;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.news-thumb .live{
  position:absolute;right:14px;top:14px;display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);background:rgba(11,17,20,.78);
  color:var(--coral);font-size:12.5px;font-weight:600;border:1px solid rgba(255,92,70,.35);
}
.news-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-body h3{font-size:18px;line-height:1.5;}
.news-body h3 a{color:var(--text);}
.news-body h3 a:hover{color:var(--brand);}
.news-body p{color:var(--text-2);font-size:14.8px;line-height:1.78;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13.5px;color:var(--text-3);
}
.news-meta a{font-size:13.5px;font-weight:600;}

/* ============ 分页 ============ */
.pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:24px;flex-wrap:wrap;}
.pager a,.pager span{
  min-width:44px;height:44px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-md);border:1px solid var(--line);background:rgba(255,255,255,.03);
  color:var(--text-2);font-size:14.5px;font-weight:600;transition:all .24s var(--ease);
}
.pager a:hover{color:var(--brand);border-color:var(--line-strong);background:rgba(243,178,60,.1);}
.pager .is-current{background:var(--brand);border-color:var(--brand);color:var(--brand-ink);}

/* ============ 流程 ============ */
.steps{display:grid;gap:20px;grid-template-columns:repeat(4,1fr);}
.step{
  position:relative;background:var(--bg-panel);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px 22px;box-shadow:var(--sh-sm);
  transition:transform .3s var(--ease),border-color .3s var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:var(--line-strong);}
.step b{
  display:block;font-size:38px;line-height:1;color:var(--brand);font-weight:700;
  font-variant-numeric:tabular-nums;margin-bottom:14px;letter-spacing:-.02em;
}
.step h4{margin-bottom:8px;font-size:17px;}
.step p{color:var(--text-2);font-size:14.5px;line-height:1.78;}

/* ============ FAQ ============ */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 4px;text-align:left;font-size:17px;font-weight:600;color:var(--text);
  transition:color .24s var(--ease);
}
.faq-q:hover{color:var(--brand);}
.faq-q i{color:var(--brand);font-size:15px;transition:transform .3s var(--ease);flex-shrink:0;}
.faq-item.is-open .faq-q{color:var(--brand);}
.faq-item.is-open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s var(--ease);}
.faq-a p{padding:0 4px 26px;color:var(--text-2);font-size:15.5px;line-height:1.85;max-width:900px;}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  border:1px solid var(--line-strong);
  background:rgba(243,178,60,.08);
  padding:52px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.04;
  background-image:radial-gradient(#fff 1px,transparent 1px);
  background-size:6px 6px;
}
.cta-band__text{position:relative;z-index:2;max-width:560px;}
.cta-band__text h2{margin:14px 0 12px;}
.cta-band__text p{color:var(--text-2);font-size:16px;line-height:1.8;}
.cta-form{position:relative;z-index:2;display:flex;gap:12px;flex-shrink:0;align-items:center;}
.cta-form input{
  min-width:280px;padding:14px 18px;border-radius:var(--r-md);
  background:rgba(11,17,20,.6);border:1px solid var(--line);color:var(--text);font-size:15.5px;
}
.cta-form input::placeholder{color:var(--text-3);}
.cta-form input:focus{outline:none;border-color:var(--jade);box-shadow:0 0 0 3px rgba(31,192,163,.2);}
.cta-form .btn{min-width:120px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:72px 0 28px;margin-top:20px;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.foot-brand .brand{margin-bottom:18px;}
.foot-desc{color:var(--text-2);font-size:14.8px;line-height:1.8;max-width:340px;}
.foot-social{display:flex;gap:12px;margin-top:22px;}
.foot-social a{
  width:42px;height:42px;border-radius:var(--r-md);display:grid;place-items:center;
  border:1px solid var(--line);color:var(--text-2);background:rgba(255,255,255,.03);
  transition:all .24s var(--ease);
}
.foot-social a:hover{color:var(--brand);border-color:var(--line-strong);background:rgba(243,178,60,.1);}
.foot-title{font-size:15px;font-weight:700;margin-bottom:18px;color:#fff;}
.foot-links li,.foot-contact li{margin-bottom:12px;}
.foot-links a{color:var(--text-2);font-size:14.8px;}
.foot-links a:hover{color:var(--brand);}
.foot-contact li{display:flex;gap:10px;color:var(--text-2);font-size:14.8px;line-height:1.7;}
.foot-contact i{color:var(--brand);margin-top:5px;}
.foot-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line-strong);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--text-3);font-size:13.5px;
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-pill{display:none;}
  .burger{display:grid;}
  .head-inner{height:70px;}
  .section{padding:72px 0;}
  .section--tight{padding-top:52px;}
  .cat-hero{padding:128px 0 52px;min-height:40vh;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px;}
  .cta-form{width:100%;}
  .cta-form input{min-width:0;flex:1;}
  .filter-bar{top:78px;}
}
@media (max-width:639px){
  body{font-size:16.5px;}
  .head-inner{height:64px;gap:12px;}
  .brand-text{font-size:17px;}
  .btn-online{display:none;}
  .section{padding:52px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px;}
  .cat-hero{padding:110px 0 44px;min-height:auto;}
  .cat-hero__sub{font-size:15.5px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .hero-stats{gap:24px;margin-top:32px;}
  .hero-stat b{font-size:22px;}
  .filter-bar{top:70px;}
  .steps{grid-template-columns:1fr;}
  .cta-band{padding:32px 20px;border-radius:var(--r-lg);}
  .cta-form{flex-direction:column;align-items:stretch;}
  .cta-form .btn{width:100%;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .drawer{width:86vw;}
}

/* roulang page: category2 */
:root{
  --bg-deep:#0B1114;
  --bg-panel:#131C21;
  --bg-elev:#1B262C;
  --paper:#F6F3EC;
  --ink:#182226;
  --ink-2:#5A6A72;
  --brand:#F3B23C;
  --brand-ink:#241B07;
  --jade:#1FC0A3;
  --coral:#FF5C46;
  --txt:#EAF0F2;
  --txt-2:#9FB0B8;
  --txt-3:#5B6A72;
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --line-paper:rgba(24,34,38,.12);
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:22px;
  --r-pill:999px;
  --sh-sm:0 2px 10px rgba(0,0,0,.35);
  --sh-md:0 12px 28px rgba(0,0,0,.42);
  --sh-lg:0 24px 60px rgba(0,0,0,.50);
  --ease:cubic-bezier(.2,.7,.3,1);
  --pad-x:32px;
  --maxw:1280px;
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-deep);
  color:var(--txt);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:17px;
  line-height:1.75;
  letter-spacing:.01em;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--jade);outline-offset:2px;border-radius:4px;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;letter-spacing:-.01em;}
h1{font-size:clamp(28px,3.6vw,44px);}
h2{font-size:clamp(23px,2.6vw,32px);}
h3{font-size:clamp(18px,1.7vw,21px);}
h4{font-size:17px;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 var(--pad-x);}
@media(min-width:1440px){.container{max-width:1360px;}}
.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.18em;
  color:var(--brand);
  font-weight:600;
  margin-bottom:12px;
}
.eyebrow-jade{color:var(--jade);}
.section{padding:var(--sec) 0;}
.section-tight{padding:64px 0;}
.section-head{margin-bottom:36px;}
.section-head h2{margin-bottom:10px;}
.section-head p{color:var(--txt-2);font-size:16px;max-width:720px;margin:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:13px 26px;
  border-radius:var(--r-md);border:1px solid transparent;
  font-size:15.5px;font-weight:600;letter-spacing:.02em;
  cursor:pointer;transition:all .24s var(--ease);
}
.btn-primary{background:var(--brand);color:var(--brand-ink);box-shadow:var(--sh-sm);}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-sm);}
.btn-primary:disabled{opacity:.5;filter:saturate(.5);cursor:not-allowed;transform:none;}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--txt);}
.btn-ghost:hover{border-color:rgba(243,178,60,.55);background:rgba(243,178,60,.10);}
.btn-outline{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-outline:hover{background:rgba(243,178,60,.12);}
.btn-sm{min-height:40px;padding:9px 18px;font-size:14.5px;border-radius:10px;}
.link-arrow{color:var(--jade);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px;}
.link-arrow i{transition:transform .24s var(--ease);}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:transparent;
  transition:background .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(11,17,20,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom-color:var(--line);
  box-shadow:0 8px 24px rgba(0,0,0,.38);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:78px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.01em;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,var(--brand),#C98A1E);
  color:var(--brand-ink);font-size:18px;font-weight:700;flex:none;
}
.brand-text{font-size:18px;color:#fff;white-space:nowrap;}
.brand-text strong{color:var(--brand);font-weight:700;}
.nav-pill{display:flex;align-items:center;gap:4px;}
.nav-pill a{
  position:relative;
  padding:9px 16px;border-radius:var(--r-pill);
  font-size:15.5px;color:var(--txt-2);font-weight:500;white-space:nowrap;
}
.nav-pill a:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-pill a.is-active{color:var(--brand);font-weight:600;}
.nav-pill a.is-active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:22px;height:2px;border-radius:2px;background:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:12px;}
.burger{
  display:none;width:44px;height:44px;border-radius:var(--r-md);
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  color:var(--txt);font-size:17px;cursor:pointer;
  transition:all .22s var(--ease);
}
.burger:hover{background:rgba(243,178,60,.16);color:var(--brand);}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.6);
  opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s var(--ease);
  z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;
  background:var(--bg-panel);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .32s var(--ease);
  z-index:95;padding:26px 22px;display:flex;flex-direction:column;gap:8px;
  box-shadow:var(--sh-lg);overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-title{font-size:13px;letter-spacing:.16em;color:var(--txt-3);margin-bottom:6px;}
.drawer a.drawer-link{
  display:flex;align-items:center;min-height:52px;padding:0 14px;
  border-radius:var(--r-md);color:var(--txt-2);font-size:16px;
}
.drawer a.drawer-link:hover{background:var(--bg-elev);color:#fff;}
.drawer a.drawer-link.is-active{color:var(--brand);background:rgba(243,178,60,.10);font-weight:600;}
.drawer .btn{margin-top:14px;width:100%;}

/* ---------- 窄条标题区 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:150px 0 46px;
  min-height:32vh;display:flex;align-items:flex-end;
  border-bottom:1px solid var(--line);
}
.page-hero .hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  filter:brightness(.52) saturate(.9) blur(1px);
  transform:scale(1.03);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,17,20,.88) 0%,rgba(11,17,20,.66) 42%,rgba(11,17,20,.97) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--txt-2);margin-bottom:16px;}
.crumb a:hover{color:var(--brand);}
.crumb span.dot{color:var(--txt-3);}
.page-hero h1{max-width:820px;margin-bottom:14px;}
.page-hero .hero-sub{max-width:660px;color:var(--txt-2);font-size:16.5px;margin:0;}
.hero-rule{width:64px;height:3px;border-radius:3px;background:var(--brand);margin:20px 0 0;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.pill-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(31,192,163,.12);color:var(--jade);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.pill-tag.is-brand{background:rgba(243,178,60,.14);color:var(--brand);}

/* ---------- 榜单布局 ---------- */
.rank-wrap{padding:56px 0 0;}
.rank-index-col{position:relative;}
.rank-index{
  position:sticky;top:104px;
  background:var(--bg-panel);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px 18px;
  box-shadow:var(--sh-sm);
}
.index-head{font-size:12px;letter-spacing:.16em;color:var(--brand);font-weight:600;margin-bottom:14px;}
.index-list li + li{margin-top:4px;}
.index-list a{
  display:flex;align-items:center;gap:10px;
  min-height:44px;padding:8px 12px;border-radius:var(--r-md);
  color:var(--txt-2);font-size:15px;
}
.index-list a .idx{
  font-size:12.5px;font-weight:700;color:var(--txt-3);letter-spacing:.04em;
  transition:color .22s var(--ease);
}
.index-list a:hover{background:var(--bg-elev);color:#fff;}
.index-list a:hover .idx{color:var(--coral);}
.index-list a.is-active{background:rgba(243,178,60,.10);color:var(--brand);font-weight:600;}
.index-note{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--txt-3);line-height:1.7;
}

.group-block{padding-bottom:20px;}
.group-block + .group-block{padding-top:8px;}
.group-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;
  padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:8px;
  scroll-margin-top:110px;
}
.group-head h2{font-size:clamp(21px,2.2vw,26px);}
.group-head .group-desc{color:var(--txt-2);font-size:14.5px;margin:6px 0 0;}
.group-count{font-size:13px;color:var(--txt-3);white-space:nowrap;letter-spacing:.06em;}

.rank-row{
  display:grid;
  grid-template-columns:64px 138px 1fr 96px 40px;
  gap:20px;align-items:center;
  padding:18px 16px;border-radius:var(--r-lg);
  border:1px solid transparent;border-bottom:1px solid var(--line);
  transition:all .28s var(--ease);
}
.rank-row:last-child{border-bottom-color:transparent;}
.rank-row:hover{
  background:var(--bg-elev);
  border-color:rgba(243,178,60,.35);
  transform:translateY(-2px);
  box-shadow:var(--sh-md);
}
.rank-num{
  font-size:38px;font-weight:700;line-height:1;color:var(--brand);
  letter-spacing:-.02em;transition:color .28s var(--ease);
}
.rank-row:hover .rank-num{color:var(--coral);}
.rank-pic{aspect-ratio:16/9;border-radius:var(--r-sm);overflow:hidden;background:var(--bg-elev);}
.rank-pic img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease);}
.rank-row:hover .rank-pic img{transform:scale(1.06);}
.rank-body{min-width:0;}
.rank-title{font-size:17px;font-weight:600;margin-bottom:6px;}
.rank-desc{font-size:14.5px;color:var(--txt-2);line-height:1.7;margin:0 0 10px;}
.rank-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-block;padding:3px 10px;border-radius:var(--r-pill);
  border:1px solid rgba(31,192,163,.35);color:var(--jade);
  font-size:12px;letter-spacing:.02em;
}
.rank-stat{text-align:right;}
.rank-stat .stat-num{display:block;font-size:20px;font-weight:700;color:var(--txt);line-height:1.2;}
.rank-stat .stat-label{font-size:12px;color:var(--txt-3);letter-spacing:.08em;}
.rank-arrow{
  width:34px;height:34px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--txt-2);font-size:13px;
  transition:all .28s var(--ease);
}
.rank-row:hover .rank-arrow{
  color:var(--brand-ink);background:var(--brand);border-color:var(--brand);
  transform:translateX(4px);
}

/* ---------- 纸上说明区 ---------- */
.paper-note{
  background:var(--paper);color:var(--ink);
  border-radius:18px;padding:52px 56px;margin:48px 0;
  box-shadow:var(--sh-lg);
}
.paper-note .eyebrow{color:#B07C14;}
.paper-note h2{color:var(--ink);margin-bottom:18px;}
.paper-note .note-body{max-width:760px;}
.paper-note p{color:#2B383D;font-size:16.5px;line-height:1.9;}
.paper-note .note-list{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:32px;
  padding-top:28px;border-top:1px solid var(--line-paper);
}
.paper-note .note-item strong{display:block;font-size:15.5px;color:var(--ink);margin-bottom:6px;}
.paper-note .note-item span{font-size:14.5px;color:var(--ink-2);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-list{margin:0;border-top:1px solid var(--line);background:transparent;}
.faq-list .accordion-item{background:transparent;border-bottom:1px solid var(--line);}
.faq-list .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 4px;background:transparent;border:0;
  color:var(--txt);font-size:17px;font-weight:600;
}
.faq-list .accordion-title:hover{color:var(--brand);}
.faq-list .accordion-title::before{display:none;}
.faq-list .accordion-title::after{
  content:"+";font-size:22px;font-weight:400;color:var(--brand);
  transition:transform .3s var(--ease);line-height:1;
}
.faq-list .accordion-item.is-active .accordion-title::after{transform:rotate(180deg);}
.faq-list .accordion-content{
  background:transparent;border:0;padding:0 4px 24px;color:var(--txt-2);
}
.faq-list .accordion-content p{font-size:15.5px;line-height:1.85;color:var(--txt-2);margin-bottom:.8em;}
.faq-list .accordion-content p:last-child{margin-bottom:0;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  background:rgba(243,178,60,.08);
  border:1px solid rgba(243,178,60,.38);
  padding:48px 52px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);
  background-size:14px 14px;opacity:.5;
}
.cta-text{position:relative;z-index:2;max-width:560px;}
.cta-text h2{margin-bottom:10px;}
.cta-text p{color:var(--txt-2);font-size:16px;margin:0;}
.cta-form{position:relative;z-index:2;display:flex;gap:12px;flex:none;align-items:center;}
.cta-form input{
  min-width:280px;height:50px;padding:0 18px;
  background:rgba(11,17,20,.6);border:1px solid var(--line);
  border-radius:var(--r-md);color:var(--txt);font-size:15px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.cta-form input::placeholder{color:var(--txt-3);}
.cta-form input:focus{outline:none;border-color:var(--jade);box-shadow:0 0 0 3px rgba(31,192,163,.22);}
.cta-form .btn{min-width:132px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--sec);
  background:var(--bg-deep);
  border-top:1px solid var(--line);
  padding:72px 0 28px;
}
.foot-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;
}
.foot-brand .brand{margin-bottom:16px;}
.foot-desc{color:var(--txt-2);font-size:14.5px;line-height:1.8;max-width:340px;margin-bottom:20px;}
.foot-social{display:flex;gap:10px;}
.foot-social a{
  width:40px;height:40px;border-radius:var(--r-md);
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--bg-panel);border:1px solid var(--line);color:var(--txt-2);
}
.foot-social a:hover{color:var(--brand);border-color:rgba(243,178,60,.45);transform:translateY(-2px);}
.foot-title{font-size:15px;color:#fff;margin-bottom:18px;letter-spacing:.02em;}
.foot-links li + li{margin-top:10px;}
.foot-links a{color:var(--txt-2);font-size:14.5px;}
.foot-links a:hover{color:var(--brand);}
.foot-contact li{display:flex;gap:10px;color:var(--txt-2);font-size:14.5px;line-height:1.7;}
.foot-contact li + li{margin-top:12px;}
.foot-contact i{color:var(--brand);margin-top:5px;font-size:14px;}
.foot-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:24px;border-top:1px solid rgba(243,178,60,.28);
  color:var(--txt-3);font-size:13.5px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--pad-x:28px;}
}
@media (max-width:1023px){
  :root{--pad-x:24px;--sec:72px;}
  .nav-pill{display:none;}
  .burger{display:inline-flex;align-items:center;justify-content:center;}
  .header-actions .btn{display:none;}
  .page-hero{padding:132px 0 40px;min-height:30vh;}
  .rank-row{grid-template-columns:52px 118px 1fr 78px 34px;gap:16px;padding:16px 12px;}
  .rank-num{font-size:32px;}
  .paper-note{padding:38px 30px;margin:36px 0;}
  .paper-note .note-list{grid-template-columns:1fr;gap:18px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 28px;}
  .cta-form{width:100%;flex-direction:column;align-items:stretch;}
  .cta-form input{min-width:0;width:100%;}
  .cta-form .btn{width:100%;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .rank-index{position:static;padding:16px;}
  .index-list{display:flex;gap:10px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;}
  .index-list::-webkit-scrollbar{display:none;}
  .index-list li + li{margin-top:0;}
  .index-list a{white-space:nowrap;border:1px solid var(--line);min-height:38px;padding:6px 14px;font-size:14px;}
  .index-list a.is-active{border-color:rgba(243,178,60,.5);}
  .index-note{display:none;}
}
@media (max-width:639px){
  :root{--pad-x:16px;--sec:52px;}
  body{font-size:16.5px;}
  .header-inner{min-height:66px;}
  .brand-mark{width:32px;height:32px;font-size:16px;}
  .brand-text{font-size:16px;}
  .page-hero{padding:112px 0 32px;}
  .rank-row{grid-template-columns:38px 88px 1fr;gap:12px;padding:14px 10px;}
  .rank-num{font-size:26px;}
  .rank-stat,.rank-arrow{display:none;}
  .rank-desc{font-size:14px;}
  .paper-note{padding:28px 20px;border-radius:16px;}
  .paper-note p{font-size:16px;}
  .faq-list .accordion-title{font-size:16px;padding:18px 2px;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{flex-direction:column;gap:8px;}
}