/* roulang page: index */
:root{
  --bg:#14111A;
  --bg-soft:#1D1826;
  --bg-card:#221C2E;
  --bg-footer:#100D16;
  --line:rgba(255,255,255,.08);
  --brand-1:#FF7A18;
  --brand-2:#FFC24B;
  --brand-grad:linear-gradient(120deg,#FF7A18 0%,#FFC24B 100%);
  --accent:#17B8A6;
  --hot:#E5484D;
  --paper:#F7F4EF;
  --paper-line:#E7E1D8;
  --paper-ink:#221E28;
  --paper-ink-2:#6B6376;
  --ink:#F4F1F7;
  --ink-2:#A8A2B8;
  --ink-3:#6F6A80;
  --r-xl:28px;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:14px;
  --shadow-dark:0 18px 40px -18px rgba(0,0,0,.7);
  --shadow-paper:0 10px 30px -18px rgba(40,28,16,.22);
}

.site-body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
.site-body a{color:inherit;text-decoration:none}
.site-body img{display:block;max-width:100%}
.site-body ul,.site-body ol{list-style:none;margin:0;padding:0}
.site-body button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
.site-body input{font:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}

.section{padding:56px 0}
@media (min-width:768px){.section{padding:88px 0}}
.band-dark{background:var(--bg)}
.band-soft{background:var(--bg-soft)}
.band-paper{background:var(--paper);color:var(--paper-ink)}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(20,17,26,.94);
  border-bottom:1px solid var(--line);
  transition:background .3s ease,backdrop-filter .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{
  background:rgba(20,17,26,.85);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 12px 30px -22px rgba(0,0,0,.9);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:76px}

.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:12px;
  background:var(--brand-grad);color:#1B1020;font-size:15px;
  box-shadow:0 8px 18px -10px rgba(255,122,24,.9);
}
.logo-text{font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--ink);line-height:1}

.nav-links{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--ink-2);line-height:1.4;
  transition:color .2s ease,background .2s ease,box-shadow .2s ease;
}
.nav-link::after{
  content:'';position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--brand-grad);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);background:rgba(255,122,24,.14);box-shadow:inset 0 0 0 1px rgba(255,122,24,.38)}
.nav-pill{padding:8px 16px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.03)}
.nav-pill::after{display:none}
.nav-pill:hover{border-color:rgba(255,122,24,.5);color:var(--brand-2)}
.tag-new{
  font-size:11px;font-weight:800;line-height:1;padding:3px 6px;border-radius:999px;
  background:var(--brand-grad);color:#1B1020;
}

.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.05);
  color:var(--ink);font-size:17px;transition:background .2s ease,border-color .2s ease;
}
.nav-toggle:hover{background:rgba(255,255,255,.1);border-color:rgba(255,122,24,.5)}

.nav-drawer{
  position:fixed;left:0;right:0;top:76px;bottom:0;z-index:70;
  display:flex;flex-direction:column;gap:4px;
  padding:20px 20px 36px;
  background:var(--bg);
  border-top:1px solid var(--line);
  transform:translateX(100%);visibility:hidden;
  transition:transform .3s ease,visibility .3s ease;
  overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);visibility:visible}
.drawer-link{
  display:block;padding:15px 4px;font-size:18px;font-weight:700;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-link.is-active{color:var(--brand-2)}
.drawer-cta{margin-top:22px;width:100%}
@media (min-width:1024px){.nav-drawer{display:none}}
@media (max-width:1023px){
  .nav-links,.nav-actions{display:none}
  .nav-toggle{display:inline-flex}
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1.2;white-space:nowrap;cursor:pointer;
  transition:transform .2s ease,filter .2s ease,background .2s ease,border-color .2s ease,color .2s ease;
}
.btn i{transition:transform .2s ease}
.btn-primary{
  background:var(--brand-grad);color:#1B1020;
  box-shadow:0 12px 26px -12px rgba(255,122,24,.75);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-outline{
  background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.24);color:var(--ink);
}
.btn-outline:hover{background:rgba(255,255,255,.09);transform:translateY(-1px)}
.btn-outline-brand{
  background:transparent;border-color:rgba(255,122,24,.6);color:var(--brand-2);
}
.btn-outline-brand:hover{background:rgba(255,122,24,.12);transform:translateY(-1px)}
.btn-ink-outline{
  background:#fff;border-color:var(--paper-line);color:var(--paper-ink);
}
.btn-ink-outline:hover{border-color:var(--brand-1);color:var(--brand-1);transform:translateY(-1px)}
.btn-lg{padding:15px 30px;font-size:16px}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}

.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--brand-1);
}
.link-arrow i{transition:transform .25s ease}
.link-arrow:hover i{transform:translateX(4px)}

/* ============ 通用标题 ============ */
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:32px}
.sec-title{font-size:22px;font-weight:800;letter-spacing:-.02em;line-height:1.25;margin:0}
@media (min-width:768px){.sec-title{font-size:28px}}
.sec-desc{margin:10px 0 0;max-width:680px;font-size:15px;color:var(--ink-2);line-height:1.85}
.band-paper .sec-desc{color:var(--paper-ink-2)}
.sec-more{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--brand-1)}
.sec-more i{transition:transform .25s ease}
.sec-more:hover i{transform:translateX(4px)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:5px;
  padding:3px 10px;border-radius:999px;
  font-size:12px;font-weight:700;line-height:1.6;
  font-variant-numeric:tabular-nums;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  color:var(--ink-2);
}
.badge--accent{background:rgba(23,184,166,.14);border-color:rgba(23,184,166,.5);color:#63E4D3}
.badge--brand{background:rgba(255,122,24,.14);border-color:rgba(255,122,24,.5);color:#FFB173}
.tag-pill{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:999px;
  font-size:12px;font-weight:700;line-height:1.7;
  background:rgba(255,255,255,.08);color:var(--ink-2);
}
.tag-pill--accent{background:rgba(23,184,166,.14);color:#0F8C7E;border:1px solid rgba(23,184,166,.32)}
.tag-pill--brand{background:rgba(255,122,24,.12);color:#C4560A;border:1px solid rgba(255,122,24,.3)}

/* ============ Hero ============ */
.hero{position:relative;min-height:60vh;display:flex;align-items:center;overflow:hidden}
@media (min-width:1024px){.hero{min-height:80vh}}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero-mask{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(20,17,26,.95) 0%,rgba(20,17,26,.68) 42%,rgba(20,17,26,.97) 100%),
    linear-gradient(92deg,rgba(20,17,26,.96) 0%,rgba(20,17,26,.5) 58%,rgba(20,17,26,.82) 100%);
}
.hero-inner{position:relative;z-index:2;padding-top:76px;padding-bottom:76px}
@media (min-width:768px){.hero-inner{padding-top:104px;padding-bottom:104px}}
.hero-copy{max-width:780px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:700;color:var(--ink-2);
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
}
.hero-badge i{color:var(--brand-2)}
.hero-title{
  margin:20px 0 0;
  font-size:28px;font-weight:800;line-height:1.25;letter-spacing:-.02em;
}
@media (min-width:768px){.hero-title{font-size:40px}}
.hero-sub{margin:18px 0 0;max-width:640px;font-size:16px;line-height:1.9;color:var(--ink-2)}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:40px}
.stat{
  padding:14px 20px;border-radius:16px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.stat-num{
  display:block;font-size:22px;font-weight:800;line-height:1.2;
  font-variant-numeric:tabular-nums;
  background:var(--brand-grad);
  -webkit-background-clip:text;background-clip:text;
  color:transparent;
}
.stat-label{display:block;margin-top:4px;font-size:13px;color:var(--ink-2)}
.hero-dots{position:absolute;right:32px;bottom:36px;z-index:2;display:none;align-items:center;gap:8px}
@media (min-width:1024px){.hero-dots{display:flex}}
.hero-dots span{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.28)}
.hero-dots span.is-on{width:26px;border-radius:999px;background:var(--brand-grad)}

/* ============ 卡片 ============ */
.card{
  position:relative;display:flex;flex-direction:column;
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow-dark),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
  height:100%;
}
.card:hover{transform:translateY(-4px);border-color:rgba(255,122,24,.42)}
.card-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:linear-gradient(135deg,#2C2337 0%,#191420 100%);
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.05)}
.card-tag{
  position:absolute;top:12px;left:12px;
  padding:4px 10px;border-radius:999px;
  font-size:12px;font-weight:700;line-height:1.6;
  background:rgba(20,17,26,.82);color:var(--ink);
  border:1px solid rgba(255,255,255,.16);
}
.card-tag--hot{background:linear-gradient(120deg,#E5484D,#B3282C);color:#fff;border-color:transparent}
.card-tag--accent{background:rgba(23,184,166,.92);color:#08211E;border-color:transparent}
.card-body{display:flex;flex-direction:column;gap:10px;padding:16px 18px 20px;flex:1}
.card-title{
  margin:0;font-size:17px;font-weight:700;line-height:1.45;letter-spacing:-.01em;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-title--lg{font-size:20px}
@media (min-width:768px){.card-title--lg{font-size:24px}}
.card-text{
  font-size:14px;line-height:1.8;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  margin-top:auto;font-size:12px;color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}

/* 暖白卡 */
.paper-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--paper-line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--shadow-paper);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.paper-card:hover{transform:translateY(-4px);border-color:#DCCFBC;box-shadow:0 18px 38px -20px rgba(40,28,16,.34)}
.paper-card-media{
  display:block;aspect-ratio:16/9;overflow:hidden;
  background:linear-gradient(135deg,#EDE6DA,#DCCFBC);
}
.paper-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.paper-card:hover .paper-card-media img{transform:scale(1.05)}
.paper-card-body{display:flex;flex-direction:column;gap:10px;padding:18px 20px 22px;flex:1}
.paper-card-title{
  margin:0;font-size:17px;font-weight:800;line-height:1.5;letter-spacing:-.01em;color:var(--paper-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.paper-card-title a:hover{color:var(--brand-1)}
.paper-card-text{
  font-size:14px;line-height:1.85;color:var(--paper-ink-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.paper-card-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  margin-top:auto;padding-top:12px;border-top:1px solid var(--paper-line);
}
.paper-card-foot time{font-size:13px;color:var(--paper-ink-2);font-variant-numeric:tabular-nums}
.paper-card-body .tag-pill{align-self:flex-start}

/* ============ 横滑片库 ============ */
.rail-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:26px}
.rail-nav{display:none;gap:10px}
@media (min-width:1024px){.rail-nav{display:flex}}
.rail-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:50%;
  border:1px solid rgba(255,255,255,.24);color:var(--ink);font-size:14px;
  transition:background .2s ease,border-color .2s ease,color .2s ease,transform .2s ease;
}
.rail-btn:hover{background:rgba(255,255,255,.09);border-color:rgba(255,122,24,.6);color:var(--brand-2);transform:translateY(-1px)}
.rail{
  display:flex;gap:20px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:4px 0 18px;
  scrollbar-width:none;-ms-overflow-style:none;
  -webkit-overflow-scrolling:touch;
}
.rail::-webkit-scrollbar{display:none}
.rail-card{flex:0 0 78%;max-width:320px;scroll-snap-align:start;display:flex}
@media (min-width:768px){.rail-card{flex:0 0 44%}}
@media (min-width:1024px){.rail-card{flex:0 0 27%}}

/* ============ 精选（一大两小） ============ */
.feature-grid{display:grid;gap:22px}
@media (min-width:1024px){.feature-grid{grid-template-columns:2fr 1fr;align-items:stretch}}
.feature-side{display:grid;gap:22px}
@media (min-width:640px) and (max-width:1023px){.feature-side{grid-template-columns:1fr 1fr}}
.feature-main .card-body{gap:14px;padding:22px 24px 26px}

/* ============ 网格 ============ */
.grid-3{display:grid;gap:20px;grid-template-columns:1fr}
.grid-4{display:grid;gap:20px;grid-template-columns:1fr}
@media (min-width:640px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:1024px){
  .grid-3{grid-template-columns:repeat(3,1fr)}
  .grid-4{grid-template-columns:repeat(4,1fr)}
}

/* ============ 排行列表 ============ */
.band-quote{
  position:relative;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.band-quote::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,17,26,.95) 0%,rgba(20,17,26,.985) 100%);
}
.band-quote .container{position:relative;z-index:2}
.rank-list{border-top:1px solid var(--line)}
.rank-item{
  display:flex;align-items:center;gap:18px;
  padding:18px 4px;
  border-bottom:1px solid rgba(255,255,255,.06);
  transition:background .2s ease,padding-left .2s ease;
}
.rank-item:hover{background:rgba(255,255,255,.035);padding-left:10px}
.rank-num{
  flex:0 0 auto;min-width:44px;
  font-size:30px;font-weight:800;line-height:1;
  font-variant-numeric:tabular-nums;
  color:var(--brand-1);
}
.rank-main{flex:1;min-width:0}
.rank-title{
  margin:0;font-size:17px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.rank-text{
  margin-top:4px;font-size:14px;line-height:1.8;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.rank-side{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.rank-arrow{color:var(--brand-1);transition:transform .25s ease}
.rank-item:hover .rank-arrow{transform:translateX(4px)}
@media (max-width:639px){
  .rank-item{gap:12px;padding:16px 2px}
  .rank-num{font-size:24px;min-width:34px}
  .rank-side .rank-date{display:none}
}

/* ============ 横向大列表 ============ */
.big-list{display:grid;gap:18px}
.big-item{
  display:flex;flex-direction:column;gap:16px;
  padding:16px;border-radius:22px;
  background:var(--bg-card);
  border:1px solid var(--line);
  box-shadow:var(--shadow-dark),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .3s ease,border-color .3s ease;
}
.big-item:hover{transform:translateY(-4px);border-color:rgba(255,122,24,.42)}
.big-thumb{
  position:relative;flex:0 0 auto;width:100%;
  aspect-ratio:16/9;border-radius:16px;overflow:hidden;
  background:linear-gradient(135deg,#2C2337 0%,#191420 100%);
}
.big-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.big-item:hover .big-thumb img{transform:scale(1.05)}
.big-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:10px}
.big-title{margin:0;font-size:18px;font-weight:800;line-height:1.45}
.big-text{font-size:14px;line-height:1.85;color:var(--ink-2)}
.big-foot{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:auto;font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums;
}
@media (min-width:768px){
  .big-item{flex-direction:row;align-items:center;padding:18px}
  .big-thumb{width:42%;max-width:320px}
}

/* ============ 空态 ============ */
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 24px;text-align:center;
  background:#fff;border:1px dashed var(--paper-line);border-radius:var(--r-md);
}
.empty-state i{font-size:30px;color:#C9BCA8}
.empty-state p{font-size:15px;color:var(--paper-ink-2)}

/* ============ 最新信息板块底部 ============ */
.latest-foot{display:flex;justify-content:center;margin-top:36px}

/* ============ FAQ ============ */
.faq-layout{display:grid;gap:32px}
@media (min-width:1024px){.faq-layout{grid-template-columns:1.55fr 1fr;align-items:start;gap:40px}}
.faq-list{display:grid;gap:14px;margin-top:28px}
.faq-item{
  background:#fff;border:1px solid var(--paper-line);border-radius:var(--r-md);
  overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item:hover{border-color:#DCCFBC}
.faq-item.is-open{border-color:rgba(255,122,24,.5);box-shadow:0 14px 30px -22px rgba(255,122,24,.55)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;
  font-size:16px;font-weight:700;line-height:1.6;color:var(--paper-ink);
  transition:color .2s ease;
}
.faq-item:hover .faq-q{color:var(--brand-1)}
.faq-icon{
  position:relative;flex:0 0 auto;width:20px;height:20px;border-radius:50%;
  background:rgba(255,122,24,.12);
}
.faq-icon::before,.faq-icon::after{
  content:'';position:absolute;top:50%;left:50%;
  background:var(--brand-1);border-radius:2px;
  transform:translate(-50%,-50%);
  transition:transform .26s ease,opacity .26s ease;
}
.faq-icon::before{width:10px;height:2px}
.faq-icon::after{width:2px;height:10px}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-a-inner{
  margin:0 20px 20px 20px;padding:6px 0 6px 16px;
  border-left:4px solid transparent;
  border-image:linear-gradient(180deg,#FF7A18,#FFC24B) 1;
  font-size:15px;line-height:1.9;color:var(--paper-ink-2);
}
.faq-side{
  background:#fff;border:1px solid var(--paper-line);border-radius:var(--r-md);
  padding:26px 24px;box-shadow:var(--shadow-paper);
}
.faq-side h3{margin:0;font-size:19px;font-weight:800;color:var(--paper-ink);line-height:1.4}
.faq-side p{margin-top:12px;font-size:14px;line-height:1.9;color:var(--paper-ink-2)}
.faq-side-list{display:grid;gap:10px;margin:20px 0 24px}
.faq-side-list li{
  display:flex;align-items:center;gap:10px;
  font-size:14px;color:var(--paper-ink);font-weight:600;
}
.faq-side-list i{color:var(--accent);font-size:13px}

/* ============ CTA ============ */
.cta-card{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  padding:36px 26px;
  background:linear-gradient(135deg,#FF7A18 0%,#FFAB3D 52%,#FFC24B 100%);
  color:#231407;
  display:grid;gap:30px;
}
@media (min-width:1024px){
  .cta-card{grid-template-columns:1.15fr .85fr;align-items:center;padding:52px 48px;gap:48px}
}
.cta-card::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.14) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.14) 1px,transparent 1px);
  background-size:56px 56px;
  opacity:.5;
}
.cta-copy,.cta-form{position:relative;z-index:2}
.cta-title{margin:0;font-size:24px;font-weight:800;line-height:1.3;letter-spacing:-.02em;color:#231407}
@media (min-width:768px){.cta-title{font-size:30px}}
.cta-text{margin:14px 0 0;max-width:520px;font-size:15px;line-height:1.85;color:rgba(35,20,7,.78)}
.cta-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.cta-stat{
  display:flex;flex-direction:column;
  padding:12px 18px;border-radius:16px;
  background:rgba(255,255,255,.28);
  border:1px solid rgba(255,255,255,.5);
}
.cta-stat b{font-size:19px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.2;color:#231407}
.cta-stat span{font-size:12px;color:rgba(35,20,7,.72);margin-top:2px}
.cta-form{
  display:grid;gap:12px;
  padding:24px 22px;border-radius:22px;
  background:rgba(255,255,255,.92);
  border:1px solid rgba(255,255,255,.7);
  box-shadow:0 20px 40px -24px rgba(90,45,0,.55);
}
.form-label{font-size:13px;font-weight:700;color:#4A3116}
.form-input{
  width:100%;padding:13px 16px;border-radius:12px;
  border:1px solid #E2D5C3;background:#FFFDF9;color:#231407;
  font-size:15px;line-height:1.5;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-input::placeholder{color:#9A8D7C}
.form-input:focus{outline:none;border-color:var(--brand-1);box-shadow:0 0 0 3px rgba(255,122,24,.22)}
.form-hint{font-size:12px;line-height:1.7;color:#7A6A56}
.btn-ink{background:#231407;color:#FFE9CF;box-shadow:0 14px 26px -16px rgba(35,20,7,.8)}
.btn-ink:hover{filter:brightness(1.12);transform:translateY(-1px)}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-footer);border-top:1px solid var(--line);padding:56px 0 26px}
@media (min-width:768px){.site-footer{padding:72px 0 30px}}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px}}
.footer-brand p{margin-top:16px;max-width:320px;font-size:14px;line-height:1.9;color:var(--ink-2)}
.footer-col h3{
  margin:0 0 16px;font-size:15px;font-weight:800;letter-spacing:0;
  color:var(--ink);line-height:1.5;
}
.footer-col ul{display:grid;gap:10px}
.footer-col li{font-size:14px;color:var(--ink-2);line-height:1.8}
.footer-col a{font-size:14px;color:var(--ink-2);transition:color .2s ease}
.footer-col a:hover{color:var(--brand-2)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}

/* ============ 动效降级 ============ */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .card:hover,.paper-card:hover,.big-item:hover,.btn:hover,.rank-item:hover{transform:none}
  .card:hover .card-media img,.paper-card:hover .paper-card-media img,
  .big-item:hover .big-thumb img{transform:none}
  .faq-a{transition:none}
}

/* roulang page: article */
:root{
  --bg:#14111A;
  --bg-soft:#1D1826;
  --bg-card:#221C2E;
  --bg-footer:#100D16;
  --line:rgba(255,255,255,.08);
  --brand-1:#FF7A18;
  --brand-2:#FFC24B;
  --brand-grad:linear-gradient(120deg,#FF7A18 0%,#FFC24B 100%);
  --accent:#17B8A6;
  --hot:#E5484D;
  --paper:#F7F4EF;
  --paper-line:#E7E1D8;
  --paper-ink:#221E28;
  --paper-ink-2:#6B6376;
  --ink:#F4F1F7;
  --ink-2:#A8A2B8;
  --ink-3:#6F6A80;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:14px;
  --shadow-dark:0 18px 40px -18px rgba(0,0,0,.7);
  --shadow-paper:0 10px 30px -18px rgba(40,28,16,.22);
  --ease:cubic-bezier(.22,.68,.32,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);color:var(--ink);
  font-size:16px;line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:20px;padding-right:20px}
@media(min-width:768px){.container{padding-left:32px;padding-right:32px}}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;font-size:15px;font-weight:700;
  transition:transform .24s var(--ease),filter .24s var(--ease),background .24s var(--ease),border-color .24s var(--ease),color .24s var(--ease);
  white-space:nowrap;line-height:1.2;
}
.btn-primary{background:var(--brand-grad);color:#1D1226;box-shadow:0 14px 28px -14px rgba(255,122,24,.9)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-ghost{border:1px solid rgba(255,255,255,.24);color:var(--ink)}
.btn-ghost:hover{background:rgba(255,255,255,.1);transform:translateY(-1px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-dark{background:#1D1226;color:#FFF3E2}
.btn-dark:hover{filter:brightness(1.12);transform:translateY(-1px)}
.btn-block{width:100%}

/* ============ 头部 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(20,17,26,.85);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;height:76px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:36px;height:36px;border-radius:12px;background:var(--brand-grad);
  display:flex;align-items:center;justify-content:center;color:#1D1226;font-size:16px;
  box-shadow:0 10px 20px -10px rgba(255,122,24,.95);
}
.logo-text{font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:14px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:7px;
  padding:9px 15px;border-radius:999px;font-size:15px;color:var(--ink-2);
  transition:color .24s var(--ease),background .24s var(--ease);
}
.nav-link:hover{color:var(--ink);background:rgba(255,255,255,.07)}
.nav-link.is-active{background:var(--brand-grad);color:#1D1226;font-weight:700}
.nav-pill{background:rgba(255,255,255,.05);border:1px solid var(--line)}
.tag-new{
  font-size:10px;font-weight:800;line-height:1.5;padding:1px 6px;border-radius:999px;
  background:var(--hot);color:#fff;letter-spacing:.02em;
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.05);
  align-items:center;justify-content:center;font-size:17px;color:var(--ink);
  transition:background .24s var(--ease),border-color .24s var(--ease);
}
.menu-toggle:hover{background:rgba(255,255,255,.1);border-color:rgba(255,122,24,.45)}
.mobile-drawer{
  display:none;position:fixed;left:0;right:0;top:76px;bottom:0;z-index:75;
  background:var(--bg);border-top:1px solid var(--line);
  padding:22px 20px 32px;flex-direction:column;gap:6px;overflow-y:auto;
}
.mobile-drawer.is-open{display:flex}
.drawer-link{
  display:flex;align-items:center;gap:10px;font-size:18px;font-weight:600;
  padding:16px 6px;border-bottom:1px solid var(--line);color:var(--ink-2);
}
.drawer-link.is-active{color:var(--brand-2)}
.drawer-cta{margin-top:22px}
body.drawer-open{overflow:hidden}
@media(max-width:1023px){
  .nav-links{display:none}
  .menu-toggle{display:flex}
}
@media(max-width:640px){
  .header-inner{height:68px}
  .logo-text{font-size:17px}
  .mobile-drawer{top:68px}
  .header-actions .btn-primary{display:none}
}

/* ============ 文章头部 ============ */
.article-hero{position:relative;overflow:hidden;background:var(--bg-soft);border-bottom:1px solid var(--line)}
.article-hero .hero-bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.3;
  filter:saturate(.85);
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,17,26,.7) 0%,rgba(20,17,26,.92) 62%,var(--bg) 100%);
}
.hero-inner{position:relative;z-index:2;padding-top:44px;padding-bottom:60px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:26px}
.breadcrumb a{transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--brand-2)}
.breadcrumb .sep{color:var(--ink-3);opacity:.7}
.breadcrumb .current{color:var(--brand-1);max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:18px}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;font-size:12px;line-height:1.7;
  border:1px solid var(--line);background:rgba(255,255,255,.06);color:var(--ink-2);
  font-variant-numeric:tabular-nums;
}
.pill-accent{border-color:rgba(23,184,166,.45);color:#63E2D3;background:rgba(23,184,166,.1)}
.pill-brand{border-color:rgba(255,122,24,.5);color:var(--brand-2);background:rgba(255,122,24,.1)}
.article-title{
  max-width:900px;color:var(--ink);font-weight:800;letter-spacing:-.02em;
  font-size:clamp(28px,4vw,40px);line-height:1.28;margin-bottom:22px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;font-size:14px;color:var(--ink-2)}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--ink-3)}
.article-meta b{color:var(--brand-2);font-variant-numeric:tabular-nums}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--ink-3);opacity:.6}

/* ============ 正文区 ============ */
.article-body{padding:56px 0 72px;background:var(--bg)}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:28px}
@media(min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 320px;gap:32px;align-items:start}
}
.paper{
  background:var(--paper);color:var(--paper-ink);
  border-radius:var(--r-md);padding:28px 22px;box-shadow:var(--shadow-paper);
}
@media(min-width:768px){.paper{padding:48px 44px}}
.article-content{max-width:820px;margin:0 auto;font-size:16.5px;line-height:1.9;color:var(--paper-ink);word-break:break-word}
.article-content p{margin:0 0 1.2em}
.article-content h2{
  position:relative;font-size:22px;font-weight:800;line-height:1.45;
  margin:40px 0 16px;padding-left:15px;color:var(--paper-ink);letter-spacing:-.01em;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;border-radius:4px;
  background:var(--brand-grad);
}
.article-content h3{font-size:18px;font-weight:800;line-height:1.5;margin:28px 0 12px;color:var(--paper-ink)}
.article-content ul,.article-content ol{margin:0 0 1.2em;padding-left:1.35em}
.article-content ul{list-style:disc}
.article-content ol{list-style:decimal}
.article-content li{margin:6px 0}
.article-content ul li::marker{color:var(--brand-1)}
.article-content ol li::marker{color:var(--brand-1);font-weight:700}
.article-content a{color:#C25A00;text-decoration:underline;text-underline-offset:3px;font-weight:600}
.article-content a:hover{text-decoration-thickness:2px}
.article-content blockquote{
  margin:24px 0;padding:16px 20px;border-left:4px solid var(--brand-1);
  background:rgba(255,122,24,.09);border-radius:0 14px 14px 0;color:var(--paper-ink-2);
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{border-radius:16px;margin:24px auto;height:auto}
.article-content figure{margin:24px 0}
.article-content figcaption{font-size:12px;color:var(--paper-ink-2);text-align:center;margin-top:8px}
.article-content hr{border:0;border-top:1px solid var(--paper-line);margin:32px 0}
.article-content table{
  width:100%;border-collapse:collapse;font-size:14.5px;margin:24px 0;display:block;
  overflow-x:auto;border-radius:14px;border:1px solid var(--paper-line);
}
.article-content th,.article-content td{border:1px solid var(--paper-line);padding:10px 14px;text-align:left}
.article-content thead th{background:#EFEAE2;font-weight:700;color:var(--paper-ink)}
.article-content tbody tr:nth-child(even){background:#FBF9F5}

.article-empty{max-width:620px;margin:0 auto;text-align:center;padding:36px 8px}
.article-empty i{font-size:38px;color:var(--paper-line);margin-bottom:18px;display:block}
.article-empty h2{font-size:22px;font-weight:800;margin-bottom:12px}
.article-empty p{font-size:15px;color:var(--paper-ink-2);margin-bottom:24px}
.article-empty .btn-primary{color:#1D1226}

.article-foot{margin-top:40px;padding-top:28px;border-top:1px solid var(--paper-line)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.tag-chip{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  font-size:13px;background:#FFFFFF;border:1px solid var(--paper-line);color:var(--paper-ink-2);
  transition:color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.tag-chip:hover{color:#C25A00;border-color:rgba(255,122,24,.5);transform:translateY(-2px)}
.foot-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}
.foot-actions .btn{border-radius:999px}
.paper .btn-ghost{border:1px solid rgba(34,30,40,.22);color:var(--paper-ink)}
.paper .btn-ghost:hover{background:rgba(34,30,40,.06)}
.share-group{display:flex;gap:10px}
.share-btn{
  width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--paper-line);color:var(--paper-ink-2);background:#fff;
  transition:color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.share-btn:hover{color:#C25A00;border-color:rgba(255,122,24,.5);transform:translateY(-2px)}

/* ============ 侧栏 ============ */
.article-side{display:grid;gap:20px}
@media(min-width:1024px){.article-side{position:sticky;top:100px}}
.side-card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--shadow-dark);
}
.side-card h3{font-size:15px;font-weight:800;color:var(--ink);margin-bottom:16px;letter-spacing:0}
.side-links{display:grid;gap:8px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-radius:12px;font-size:14.5px;color:var(--ink-2);
  background:rgba(255,255,255,.04);border:1px solid transparent;
  transition:color .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease);
}
.side-links a:hover{color:var(--ink);background:rgba(255,122,24,.12);border-color:rgba(255,122,24,.35)}
.side-links a i{font-size:12px;color:var(--brand-1)}
.side-notes{display:grid;gap:14px}
.side-note{display:flex;gap:12px;font-size:13.5px;line-height:1.8;color:var(--ink-2)}
.side-note span{
  flex:none;width:26px;height:26px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:800;color:var(--brand-2);background:rgba(255,122,24,.14);
  font-variant-numeric:tabular-nums;
}

/* ============ 相关推荐 ============ */
.related-section{background:var(--paper);color:var(--paper-ink);padding:72px 0 84px}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:32px}
.section-title{font-size:26px;font-weight:800;letter-spacing:-.02em;line-height:1.3}
.section-sub{font-size:14px;color:var(--paper-ink-2);margin-top:8px}
.link-more{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:700;color:#C25A00}
.link-more i{transition:transform .24s var(--ease)}
.link-more:hover i{transform:translateX(4px)}
.news-grid{display:grid;gap:22px;grid-template-columns:1fr}
@media(min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr)}}
.news-card{
  display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--paper-line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--shadow-paper);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(255,122,24,.45)}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(140deg,#2A2336,#15111C)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-cat{
  align-self:flex-start;font-size:12px;padding:4px 11px;border-radius:999px;
  border:1px solid rgba(23,184,166,.4);color:#0F8E80;background:rgba(23,184,166,.09);
}
.news-title{
  font-size:17px;font-weight:800;line-height:1.5;color:var(--paper-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-desc{
  font-size:14px;line-height:1.8;color:var(--paper-ink-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--paper-ink-2)}

/* ============ CTA ============ */
.cta-section{padding:76px 0 88px;background:var(--bg)}
.cta-card{
  position:relative;overflow:hidden;border-radius:28px;
  background:linear-gradient(135deg,#FF7A18 0%,#FFC24B 100%);
  color:#1D1226;padding:36px 24px;display:grid;gap:32px;
}
@media(min-width:768px){.cta-card{padding:48px 40px}}
@media(min-width:1024px){.cta-card{grid-template-columns:1.15fr .85fr;align-items:center;gap:44px}}
.cta-card::before{
  content:"";position:absolute;inset:0;opacity:.1;pointer-events:none;
  background-image:linear-gradient(rgba(29,18,38,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(29,18,38,.6) 1px,transparent 1px);
  background-size:44px 44px;
}
.cta-copy,.cta-form-wrap{position:relative;z-index:2}
.cta-title{font-size:clamp(22px,3vw,30px);font-weight:800;line-height:1.35;letter-spacing:-.02em;margin-bottom:14px}
.cta-desc{font-size:15px;line-height:1.85;color:rgba(29,18,38,.78);margin-bottom:22px;max-width:520px}
.cta-badges{display:flex;flex-wrap:wrap;gap:12px}
.cta-badge{
  display:inline-flex;align-items:baseline;gap:6px;padding:8px 15px;border-radius:999px;
  background:rgba(29,18,38,.12);border:1px solid rgba(29,18,38,.18);font-size:13px;
}
.cta-badge b{font-size:18px;font-weight:800;font-variant-numeric:tabular-nums}
.cta-form{display:grid;gap:12px}
@media(min-width:520px){.cta-form{grid-template-columns:minmax(0,1fr) auto}}
.cta-form input{
  width:100%;padding:14px 18px;border-radius:14px;border:1px solid rgba(29,18,38,.18);
  background:rgba(255,255,255,.92);color:#1D1226;font-size:15px;outline:none;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.cta-form input::placeholder{color:rgba(29,18,38,.45)}
.cta-form input:focus{border-color:#1D1226;box-shadow:0 0 0 3px rgba(29,18,38,.16)}
.cta-tip{font-size:12.5px;color:rgba(29,18,38,.62);margin-top:10px}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-footer);border-top:1px solid var(--line);padding:60px 0 26px;color:var(--ink-2)}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand p{font-size:14px;line-height:1.85;margin-top:16px;max-width:330px;color:var(--ink-3)}
.footer-col h3{font-size:15px;font-weight:800;color:var(--ink);margin-bottom:16px}
.footer-col ul{display:grid;gap:11px;font-size:14px}
.footer-col li{color:var(--ink-3)}
.footer-col a{transition:color .22s var(--ease)}
.footer-col a:hover{color:var(--brand-1)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  margin-top:46px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --bg:#14111A;
  --bg-soft:#1D1826;
  --bg-card:#221C2E;
  --bg-footer:#100D16;
  --line:rgba(255,255,255,.08);
  --brand-1:#FF7A18;
  --brand-2:#FFC24B;
  --brand-grad:linear-gradient(120deg,#FF7A18 0%,#FFC24B 100%);
  --accent:#17B8A6;
  --hot:#E5484D;
  --paper:#F7F4EF;
  --paper-line:#E7E1D8;
  --paper-ink:#221E28;
  --paper-ink-2:#6B6376;
  --ink:#F4F1F7;
  --ink-2:#A8A2B8;
  --ink-3:#6F6A80;
  --r-xl:28px;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:14px;
  --shadow-dark:0 18px 40px -18px rgba(0,0,0,.7);
  --shadow-paper:0 10px 30px -18px rgba(40,28,16,.22);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:0;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.02em;font-weight:800}
p{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
.section{padding:88px 0}
@media (max-width:767px){.section{padding:56px 0}}
.tabnum{font-variant-numeric:tabular-nums}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(20,17,26,.72);
  border-bottom:1px solid transparent;
  transition:background .28s ease,border-color .28s ease,backdrop-filter .28s ease;
}
.site-header.is-scrolled{
  background:rgba(20,17,26,.85);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:76px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-grad);color:#1A1013;font-size:15px;
  box-shadow:0 8px 20px -10px rgba(255,122,24,.9);
}
.logo-text{font-size:19px;font-weight:800;letter-spacing:-.02em}
.nav-links{display:none;align-items:center;gap:6px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:7px;
  padding:9px 13px;border-radius:999px;font-size:15px;color:var(--ink-2);
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--ink)}
.nav-link:not(.nav-pill):hover::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;background:var(--brand-grad);
}
.nav-pill{border:1px solid var(--line);background:rgba(255,255,255,.03)}
.nav-pill:hover{border-color:rgba(255,122,24,.45);background:rgba(255,122,24,.09);color:var(--ink)}
.nav-link.is-active{color:#1A1013;background:var(--brand-grad);border-color:transparent;font-weight:700}
.tag-new{
  font-size:10px;line-height:1;padding:3px 6px;border-radius:999px;
  background:var(--hot);color:#fff;font-weight:700;letter-spacing:.04em;
}
.nav-link.is-active .tag-new{background:#1A1013;color:var(--brand-2)}
.header-actions{display:flex;align-items:center;gap:10px}
.menu-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  color:var(--ink);background:rgba(255,255,255,.04);font-size:16px;
}
.menu-toggle:hover{border-color:rgba(255,122,24,.5);color:var(--brand-2)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;font-size:15px;font-weight:700;
  transition:transform .22s ease,filter .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn-sm{padding:9px 17px;font-size:14px}
.btn-primary{
  background:var(--brand-grad);color:#1A1013;
  box-shadow:0 14px 30px -16px rgba(255,122,24,.95);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-ghost{
  border:1px solid rgba(255,255,255,.24);color:var(--ink);background:transparent;
}
.btn-ghost:hover{background:rgba(255,255,255,.08);transform:translateY(-1px)}
.btn-plain{color:var(--brand-2);font-weight:700;padding:6px 0;display:inline-flex;align-items:center;gap:6px}
.btn-plain i{transition:transform .22s ease}
.btn-plain:hover i{transform:translateX(4px)}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:76px 0 0 0;background:var(--bg);
  padding:26px 22px 110px;overflow-y:auto;display:none;z-index:55;
  border-top:1px solid var(--line);
}
.mobile-drawer.is-open{display:block}
.mobile-drawer a.drawer-link{
  display:flex;align-items:center;gap:12px;
  padding:16px 4px;font-size:18px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.mobile-drawer a.drawer-link.is-active{color:var(--brand-2)}
.drawer-cta{position:fixed;left:20px;right:20px;bottom:20px}
.drawer-cta .btn{width:100%;padding:14px}

/* ============ Hero 分类条 ============ */
.cat-hero{
  position:relative;overflow:hidden;
  min-height:260px;display:flex;align-items:center;
  background-image:linear-gradient(180deg,rgba(20,17,26,.62) 0%,rgba(20,17,26,.92) 100%),
                   url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.cat-hero-inner{padding:48px 0 42px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 13px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.04em;
  background:rgba(255,122,24,.12);border:1px solid rgba(255,122,24,.4);color:var(--brand-2);
}
.cat-hero h1{font-size:40px;margin:18px 0 12px}
.cat-hero .lede{max-width:720px;color:var(--ink-2);font-size:16px}
.stat-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.stat-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:9px 15px;border-radius:999px;font-size:13px;color:var(--ink-2);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
}
.stat-badge b{color:var(--ink);font-size:16px;font-weight:800}
.stat-badge i{color:var(--accent)}

/* 面包屑 */
.crumb-bar{background:var(--bg);border-bottom:1px solid var(--line)}
.crumb{display:flex;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--ink-3)}
.crumb a:hover{color:var(--brand-2)}
.crumb .sep{color:var(--ink-3)}
.crumb .current{color:var(--brand-2)}

/* 筛选条 */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 0 0;
}
.filter-group{display:flex;flex-wrap:wrap;gap:10px}
.filter-pill{
  padding:9px 17px;border-radius:999px;font-size:14px;color:var(--ink-2);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  transition:all .2s ease;
}
.filter-pill:hover{color:var(--ink);border-color:rgba(255,122,24,.45)}
.filter-pill.is-active{background:var(--brand-grad);color:#1A1013;font-weight:700;border-color:transparent}
.view-group{display:flex;gap:8px}
.view-btn{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  color:var(--ink-2);background:rgba(255,255,255,.03);font-size:14px;
}
.view-btn.is-active{color:var(--brand-2);border-color:rgba(255,122,24,.45);background:rgba(255,122,24,.1)}

/* ============ 区块标题 ============ */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:34px}
.sec-head h2{font-size:28px}
.sec-head .sub{color:var(--ink-2);font-size:14px;margin-top:8px}
.paper .sec-head .sub{color:var(--paper-ink-2)}

/* ============ 封面网格卡 ============ */
.grid-list{display:grid;gap:22px;grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:1024px){.grid-list{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.grid-list{grid-template-columns:1fr}}
.card-g{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
  box-shadow:var(--shadow-dark);
}
.card-g:hover{transform:translateY(-4px);border-color:rgba(255,122,24,.4)}
.card-media{position:relative;overflow:hidden;aspect-ratio:16/9;background:linear-gradient(135deg,#2A2233,#181320)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card-g:hover .card-media img{transform:scale(1.05)}
.badge-corner{
  position:absolute;left:12px;top:12px;
  padding:5px 10px;border-radius:999px;font-size:11px;font-weight:700;letter-spacing:.02em;
  background:linear-gradient(120deg,#E5484D,#B3303A);color:#fff;
}
.badge-corner.is-accent{background:rgba(23,184,166,.9);color:#062B27}
.badge-corner.is-warm{background:rgba(255,122,24,.92);color:#2A1405}
.card-body{padding:18px 18px 20px}
.chip{
  display:inline-block;padding:4px 11px;border-radius:999px;font-size:12px;
  background:rgba(255,255,255,.07);color:var(--ink-2);border:1px solid var(--line);
}
.chip:hover{color:var(--brand-2);border-color:rgba(255,122,24,.45)}
.card-body h3{font-size:18px;margin:12px 0 8px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.card-body .desc{
  color:var(--ink-2);font-size:14px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;min-height:73px;
}
.card-meta{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  font-size:12px;color:var(--ink-3);
}
.card-meta b{color:var(--brand-2);font-weight:700}

/* 分页 */
.pager{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:44px;flex-wrap:wrap}
.pager a,.pager span{
  min-width:42px;height:42px;padding:0 14px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--ink-2);font-size:14px;background:rgba(255,255,255,.03);
  transition:all .2s ease;
}
.pager a:hover{color:var(--ink);border-color:rgba(255,122,24,.45)}
.pager .is-current{background:var(--brand-grad);color:#1A1013;font-weight:800;border-color:transparent}
.pager .pager-mob{display:none}
@media (max-width:640px){
  .pager .pager-num{display:none}
  .pager .pager-mob{display:inline-flex}
}

/* ============ 暖白纸面 ============ */
.paper{
  background:var(--paper);color:var(--paper-ink);
}
.paper h2,.paper h3{color:var(--paper-ink)}
.paper-card{
  background:#fff;border:1px solid var(--paper-line);border-radius:var(--r-md);
  box-shadow:var(--shadow-paper);overflow:hidden;
}

/* 开服准备清单：横向大列表 */
.prep-list{display:grid;gap:18px}
.prep-item{
  display:grid;grid-template-columns:120px 1fr;gap:20px;align-items:center;
  background:#fff;border:1px solid var(--paper-line);border-radius:var(--r-md);
  padding:18px;box-shadow:var(--shadow-paper);
  transition:transform .28s ease,border-color .28s ease;
}
.prep-item:hover{transform:translateY(-3px);border-color:rgba(255,122,24,.5)}
.prep-item .thumb{aspect-ratio:4/3;border-radius:16px;overflow:hidden;background:#EDE7DD}
.prep-item .thumb img{width:100%;height:100%;object-fit:cover}
.prep-idx{
  font-size:14px;font-weight:800;color:var(--brand-1);letter-spacing:.06em;
}
.prep-item h3{font-size:17px;margin:6px 0 6px}
.prep-item p{color:var(--paper-ink-2);font-size:14px}
@media (max-width:640px){
  .prep-item{grid-template-columns:1fr;gap:14px}
  .prep-item .thumb{aspect-ratio:16/9}
}

/* 流程 */
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
@media (max-width:900px){.flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.flow-grid{grid-template-columns:1fr}}
.flow-card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px 22px;transition:transform .3s ease,border-color .3s ease;
}
.flow-card:hover{transform:translateY(-4px);border-color:rgba(255,122,24,.4)}
.flow-num{
  font-size:30px;font-weight:800;color:transparent;
  -webkit-text-stroke:1.4px var(--brand-1);line-height:1;margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.flow-card h3{font-size:17px;margin-bottom:8px}
.flow-card p{color:var(--ink-2);font-size:14px}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:1fr;gap:28px}
.faq-list{display:grid;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--paper-line);border-radius:16px;overflow:hidden;
  box-shadow:var(--shadow-paper);
}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:16px;font-weight:700;color:var(--paper-ink);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-1)}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--paper-line);display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;color:var(--paper-ink-2);transition:all .25s ease;
}
.faq-item[open] .faq-icon{background:var(--brand-grad);border-color:transparent;color:#1A1013;transform:rotate(180deg)}
.faq-answer{
  padding:0 20px 20px;color:var(--paper-ink-2);font-size:15px;
  border-left:4px solid transparent;
  background:linear-gradient(90deg,rgba(255,122,24,.1) 0 4px,transparent 4px);
  margin-left:0;
}
.faq-answer p{padding-left:12px}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:linear-gradient(135deg,#FF7A18 0%,#FFC24B 100%);
  color:#221605;padding:44px;
  box-shadow:0 26px 60px -30px rgba(255,122,24,.9);
}
.cta-band::after{
  content:"";position:absolute;inset:0;opacity:.1;pointer-events:none;
  background-image:linear-gradient(to right,rgba(0,0,0,.5) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(0,0,0,.5) 1px,transparent 1px);
  background-size:44px 44px;
}
.cta-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;z-index:1}
@media (max-width:900px){.cta-inner{grid-template-columns:1fr;gap:26px}}
.cta-band h2{font-size:28px;color:#221605}
.cta-band p{color:rgba(34,22,5,.78);font-size:15px;margin-top:12px;max-width:520px}
.cta-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.cta-stats span{
  font-size:12px;padding:6px 13px;border-radius:999px;
  background:rgba(34,22,5,.12);color:#221605;font-weight:700;
}
.cta-form{display:flex;gap:10px;background:rgba(255,255,255,.85);border-radius:16px;padding:10px}
.cta-form input{
  flex:1;min-width:0;border:1px solid rgba(34,22,5,.16);border-radius:12px;
  padding:13px 15px;font-size:15px;background:#fff;color:#221E28;
}
.cta-form input::placeholder{color:#8C8378}
.cta-form input:focus{outline:2px solid #221605;outline-offset:1px}
.cta-form .btn{background:#221605;color:#FFD79A;padding:13px 24px}
.cta-form .btn:hover{filter:brightness(1.15)}
.cta-note{font-size:12px;color:rgba(34,22,5,.72);margin-top:12px}
@media (max-width:560px){
  .cta-band{padding:30px 22px}
  .cta-form{flex-direction:column}
  .cta-form .btn{width:100%}
}

/* 页脚 */
.site-footer{background:var(--bg-footer);border-top:1px solid var(--line);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}
.footer-brand p{color:var(--ink-2);font-size:14px;margin-top:16px;max-width:340px}
.footer-col h3{font-size:15px;margin-bottom:16px;color:var(--ink)}
.footer-col ul{display:grid;gap:10px}
.footer-col a,.footer-col li{color:var(--ink-2);font-size:14px;transition:color .2s ease}
.footer-col a:hover{color:var(--brand-2)}
.footer-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  color:var(--ink-3);font-size:13px;
}

@media (min-width:1024px){
  .nav-links{display:flex}
  .menu-toggle{display:none}
  .mobile-drawer{display:none!important}
}
@media (max-width:1023px){
  .header-actions .btn-ghost{display:none}
  .header-actions .btn-primary{display:none}
}
@media (max-width:767px){
  .cat-hero h1{font-size:28px}
  .sec-head h2{font-size:22px}
  .cta-band h2{font-size:22px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  .card-g:hover,.prep-item:hover,.flow-card:hover{transform:none}
  .card-g:hover .card-media img{transform:none}
}

/* roulang page: category2 */
:root{
    --bg:#14111A;
    --bg-soft:#1D1826;
    --bg-card:#221C2E;
    --bg-footer:#100D16;
    --line:rgba(255,255,255,.08);
    --line-strong:rgba(255,255,255,.16);
    --brand-1:#FF7A18;
    --brand-2:#FFC24B;
    --brand-grad:linear-gradient(120deg,#FF7A18 0%,#FFC24B 100%);
    --accent:#17B8A6;
    --hot:#E5484D;
    --paper:#F7F4EF;
    --paper-line:#E7E1D8;
    --paper-ink:#221E28;
    --paper-ink-2:#6B6376;
    --ink:#F4F1F7;
    --ink-2:#A8A2B8;
    --ink-3:#6F6A80;
    --r-lg:24px;
    --r-md:20px;
    --r-img:18px;
    --r-btn:14px;
    --shadow-dark:0 18px 40px -18px rgba(0,0,0,.7);
    --shadow-paper:0 10px 30px -18px rgba(40,28,16,.22);
    --inner-light:inset 0 0 0 1px rgba(255,255,255,.06);
    --ease:cubic-bezier(.22,.61,.36,1);
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
    font-size:16px;
    line-height:1.9;
    -webkit-font-smoothing:antialiased;
  }
  h1,h2,h3,h4{line-height:1.25;letter-spacing:-0.02em;font-weight:800;margin:0}
  h1{font-size:40px}
  h2{font-size:28px}
  h3{font-size:20px}
  p{margin:0}
  a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
  img{display:block;max-width:100%;height:auto}
  ul{margin:0;padding:0;list-style:none}
  button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
  input{font:inherit}
  time{font-variant-numeric:tabular-nums}
  a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
    outline:2px solid var(--accent);
    outline-offset:2px;
    border-radius:6px;
  }

  .container{max-width:1240px;margin:0 auto;padding:0 20px;width:100%}
  @media (min-width:768px){ .container{padding:0 32px} }

  /* ============ 头部导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(20,17,26,.85);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
  }
  .header-inner{display:flex;align-items:center;gap:20px;height:76px}
  .logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .logo-mark{
    width:36px;height:36px;border-radius:12px;
    background:var(--brand-grad);
    display:inline-flex;align-items:center;justify-content:center;
    color:#1A1013;font-size:16px;
    box-shadow:0 10px 24px -12px rgba(255,122,24,.8);
  }
  .logo-text{font-weight:800;font-size:18px;letter-spacing:-0.01em;white-space:nowrap}
  .nav-links{display:flex;align-items:center;gap:6px;margin-left:8px}
  .nav-link{
    display:inline-flex;align-items:center;gap:7px;
    padding:9px 14px;border-radius:999px;
    font-size:15px;color:var(--ink-2);
    border:1px solid transparent;
    position:relative;white-space:nowrap;
    transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease);
  }
  .nav-link:hover{color:var(--ink);background:rgba(255,255,255,.06)}
  .nav-link:hover::after{
    content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
    background:var(--brand-grad);border-radius:2px;
  }
  .nav-link.nav-pill{background:rgba(255,255,255,.05);border-color:var(--line)}
  .nav-link.is-active{
    background:rgba(255,122,24,.16);
    border-color:rgba(255,122,24,.36);
    color:var(--brand-2);
    font-weight:700;
  }
  .nav-link.is-active::after{display:none}
  .tag-new{
    font-size:10px;font-weight:800;letter-spacing:.04em;
    padding:1px 6px;border-radius:999px;
    background:var(--hot);color:#fff;line-height:1.6;
  }
  .header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 22px;border-radius:999px;
    font-size:15px;font-weight:700;
    transition:transform .22s var(--ease),filter .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease);
  }
  .btn-sm{padding:10px 18px;font-size:14px}
  .btn-primary{
    background:var(--brand-grad);color:#1A1013;
    box-shadow:0 14px 30px -14px rgba(255,122,24,.85);
  }
  .btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
  .btn-ghost{
    background:transparent;border:1px solid var(--line-strong);color:var(--ink);
  }
  .btn-ghost:hover{background:rgba(255,255,255,.08);transform:translateY(-1px)}
  .btn-ghost-paper{
    background:transparent;border:1px solid var(--paper-line);color:var(--paper-ink);
  }
  .btn-ghost-paper:hover{background:#fff;border-color:#D9D0C2;transform:translateY(-1px)}
  .btn-ink{background:#1A1013;color:#FFD9A6;border:1px solid rgba(255,255,255,.14)}
  .btn-ink:hover{filter:brightness(1.15);transform:translateY(-1px)}
  .btn-block{width:100%}
  .btn-text{
    display:inline-flex;align-items:center;gap:6px;
    color:var(--brand-1);font-weight:700;font-size:14px;
  }
  .btn-text i{transition:transform .22s var(--ease)}
  .btn-text:hover i{transform:translateX(4px)}

  .menu-toggle{
    display:none;width:44px;height:44px;border-radius:14px;
    border:1px solid var(--line-strong);align-items:center;justify-content:center;
    font-size:17px;color:var(--ink);
  }
  .menu-toggle:hover{background:rgba(255,255,255,.08)}
  .mobile-drawer{
    display:none;position:fixed;left:0;right:0;top:76px;bottom:0;z-index:55;
    background:rgba(16,13,22,.98);
    padding:22px 20px 32px;flex-direction:column;gap:6px;overflow-y:auto;
    border-top:1px solid var(--line);
  }
  .mobile-drawer.is-open{display:flex}
  .mobile-drawer a{
    font-size:18px;padding:15px 16px;border-radius:14px;
    border:1px solid transparent;color:var(--ink);
    display:flex;align-items:center;gap:10px;
  }
  .mobile-drawer a.is-active{
    background:rgba(255,122,24,.16);border-color:rgba(255,122,24,.36);color:var(--brand-2);
  }
  .mobile-drawer .drawer-cta{margin-top:auto;padding-top:22px}

  @media (max-width:1023px){
    .nav-links{display:none}
    .menu-toggle{display:inline-flex}
    .header-actions .btn-ghost{display:none}
  }
  @media (max-width:520px){
    .logo-text{font-size:16px}
    .header-actions .btn-primary{padding:9px 14px;font-size:13px}
  }

  /* ============ 分类 Hero ============ */
  .cat-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
  .cat-hero-bg{
    position:absolute;inset:0;
    background-image:url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center;
    opacity:.30;filter:saturate(.85);
  }
  .cat-hero::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(20,17,26,.55) 0%,rgba(20,17,26,.86) 62%,rgba(20,17,26,1) 100%);
  }
  .cat-hero-inner{
    position:relative;z-index:2;
    padding:48px 0 44px;min-height:260px;
    display:flex;flex-direction:column;justify-content:center;gap:16px;
  }
  .brand-chip{
    display:inline-flex;align-items:center;gap:8px;
    align-self:flex-start;
    padding:6px 14px;border-radius:999px;
    background:rgba(255,255,255,.07);
    border:1px solid var(--line-strong);
    font-size:12px;letter-spacing:.04em;color:var(--ink-2);
  }
  .brand-chip i{color:var(--brand-2)}
  .cat-hero h1{max-width:820px}
  .cat-hero h1 .hl{
    background:var(--brand-grad);
    -webkit-background-clip:text;background-clip:text;color:transparent;
  }
  .cat-hero-sub{max-width:660px;color:var(--ink-2);font-size:16px}
  .hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
  .stat{
    display:inline-flex;align-items:baseline;gap:7px;
    padding:8px 16px;border-radius:999px;
    background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.12);
    font-size:12px;color:var(--ink-2);
  }
  .stat strong{
    font-size:18px;color:var(--brand-2);
    font-variant-numeric:tabular-nums;font-weight:800;
  }
  @media (max-width:768px){
    h1{font-size:28px}
    h2{font-size:22px}
    h3{font-size:18px}
    body{font-size:15px}
    .cat-hero-inner{padding:36px 0 32px;min-height:220px}
  }

  /* ============ 面包屑 & 筛选条 ============ */
  .crumb-bar{padding:18px 0 0}
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3)}
  .breadcrumb a:hover{color:var(--brand-1)}
  .breadcrumb .sep{color:var(--ink-3)}
  .breadcrumb .current{color:var(--brand-2)}

  .filter-bar{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 0 20px;margin-top:14px;border-bottom:1px solid var(--line);
  }
  .chips{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none}
  .chips::-webkit-scrollbar{display:none}
  .chip{
    padding:8px 18px;border-radius:999px;
    border:1px solid var(--line);
    font-size:14px;color:var(--ink-2);white-space:nowrap;
    transition:all .22s var(--ease);
  }
  .chip:hover{color:var(--ink);border-color:var(--line-strong);background:rgba(255,255,255,.05)}
  .chip.is-active{
    background:var(--brand-grad);color:#1A1013;font-weight:700;border-color:transparent;
    box-shadow:0 12px 26px -14px rgba(255,122,24,.9);
  }
  .view-toggle{display:flex;gap:8px;flex-shrink:0}
  .view-btn{
    width:40px;height:40px;border-radius:12px;
    border:1px solid var(--line);color:var(--ink-2);
    display:inline-flex;align-items:center;justify-content:center;
    transition:all .22s var(--ease);
  }
  .view-btn:hover{color:var(--ink);background:rgba(255,255,255,.06)}
  .view-btn.is-active{background:rgba(23,184,166,.14);border-color:rgba(23,184,166,.45);color:#5FE2D3}
  @media (max-width:768px){
    .filter-bar{flex-direction:column;align-items:flex-start;gap:12px}
    .chips{width:100%;padding-bottom:4px}
  }

  /* ============ 通用板块 ============ */
  .section{padding:64px 0}
  @media (min-width:1024px){ .section{padding:88px 0} }
  .section-head{
    display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
    margin-bottom:28px;flex-wrap:wrap;
  }
  .section-head p{color:var(--ink-2);font-size:15px;margin-top:8px;max-width:640px}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;letter-spacing:.08em;color:var(--accent);
    text-transform:uppercase;margin-bottom:10px;font-weight:700;
  }
  .eyebrow::before{content:"";width:18px;height:2px;background:var(--accent);border-radius:2px}

  /* ============ 卡片 ============ */
  .card{
    background:var(--bg-card);
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    box-shadow:var(--shadow-dark),var(--inner-light);
    overflow:hidden;
    transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
  }
  .card:hover{transform:translateY(-4px);border-color:rgba(255,122,24,.4)}
  .cover{position:relative;overflow:hidden;background:linear-gradient(135deg,#2A2238,#191421)}
  .cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
  .card:hover .cover img{transform:scale(1.05)}
  .ratio-16x9{aspect-ratio:16/9}
  .ratio-4x3{aspect-ratio:4/3}
  .corner-tag{
    position:absolute;top:12px;left:12px;z-index:2;
    padding:4px 12px;border-radius:999px;
    font-size:12px;font-weight:700;color:#fff;
    background:linear-gradient(120deg,#E5484D,#FF7A5C);
    box-shadow:0 8px 18px -10px rgba(229,72,77,.9);
  }
  .corner-tag.tag-accent{background:linear-gradient(120deg,#17B8A6,#3FD8C4);color:#062B26}
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:4px 11px;border-radius:999px;
    font-size:12px;
    background:rgba(255,255,255,.08);
    color:var(--ink-2);
    border:1px solid var(--line);
    font-variant-numeric:tabular-nums;
  }
  .badge-accent{color:#5FE2D3;border-color:rgba(23,184,166,.4);background:rgba(23,184,166,.1)}
  .badge-brand{color:var(--brand-2);border-color:rgba(255,122,24,.4);background:rgba(255,122,24,.1)}

  /* ============ 焦点区：一大两小 ============ */
  .spotlight{display:grid;grid-template-columns:1fr;gap:24px}
  @media (min-width:1024px){
    .spotlight{grid-template-columns:1.9fr 1fr}
  }
  .spotlight-main{display:flex;flex-direction:column}
  .spotlight-main .cover{aspect-ratio:16/9}
  .spotlight-main .body{padding:24px 26px 26px;display:flex;flex-direction:column;gap:14px}
  .spotlight-main h3{font-size:24px}
  .spotlight-main .desc{color:var(--ink-2);font-size:15px}
  .meta-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
  .spotlight-side{display:grid;grid-template-columns:1fr;gap:20px}
  @media (min-width:768px) and (max-width:1023px){
    .spotlight-side{grid-template-columns:1fr 1fr}
  }
  .mini-card{display:flex;flex-direction:column}
  .mini-card .cover{aspect-ratio:16/9}
  .mini-card .body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
  .mini-card h3{font-size:17px;line-height:1.45}
  .mini-card .desc{font-size:13px;color:var(--ink-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .mini-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--ink-3)}

  /* ============ 排行列表 ============ */
  .rank-list{display:flex;flex-direction:column;border-top:1px solid var(--line)}
  .rank-row{
    display:grid;
    grid-template-columns:64px 172px 1fr 150px;
    align-items:center;gap:20px;
    padding:18px 0;border-bottom:1px solid rgba(255,255,255,.06);
    transition:background .25s var(--ease);
  }
  .rank-row:hover{background:rgba(255,255,255,.03)}
  .rank-no{
    font-size:30px;font-weight:800;line-height:1;
    font-variant-numeric:tabular-nums;
    color:rgba(255,122,24,.16);
    -webkit-text-stroke:1.4px var(--brand-1);
    text-align:center;
  }
  .rank-thumb{
    display:block;border-radius:14px;overflow:hidden;
    background:linear-gradient(135deg,#2A2238,#191421);
    aspect-ratio:16/9;
  }
  .rank-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
  .rank-row:hover .rank-thumb img{transform:scale(1.05)}
  .rank-body{min-width:0;display:flex;flex-direction:column;gap:6px}
  .rank-body h3{font-size:18px;line-height:1.45}
  .rank-body h3 a:hover{color:var(--brand-2)}
  .rank-desc{
    font-size:14px;color:var(--ink-2);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .rank-side{
    display:flex;align-items:center;justify-content:flex-end;gap:14px;
    font-size:13px;color:var(--ink-3);
  }
  .rank-side .go{
    width:34px;height:34px;border-radius:999px;
    border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;
    color:var(--brand-1);transition:all .25s var(--ease);
  }
  .rank-row:hover .go{background:var(--brand-grad);color:#1A1013;border-color:transparent;transform:translateX(3px)}
  @media (max-width:900px){
    .rank-row{grid-template-columns:50px 1fr;gap:14px}
    .rank-thumb,.rank-side{display:none}
    .rank-body{grid-column:2}
  }

  /* ============ 分页 ============ */
  .pager{display:flex;align-items:center;justify-content:center;gap:10px;padding:32px 0 0}
  .page-btn{
    min-width:42px;height:42px;padding:0 14px;border-radius:12px;
    border:1px solid var(--line);color:var(--ink-2);
    display:inline-flex;align-items:center;justify-content:center;
    font-size:14px;transition:all .22s var(--ease);
  }
  .page-btn:hover{color:var(--ink);background:rgba(255,255,255,.06)}
  .page-btn.is-current{
    background:var(--brand-grad);color:#1A1013;font-weight:800;border-color:transparent;
    box-shadow:0 12px 26px -14px rgba(255,122,24,.9);
  }
  .page-ellipsis{color:var(--ink-3);padding:0 4px}
  @media (max-width:520px){
    .pager .page-btn:not(.page-prev):not(.page-next){display:none}
  }

  /* ============ 说明卡 ============ */
  .grid-3{display:grid;grid-template-columns:1fr;gap:22px}
  @media (min-width:768px){ .grid-3{grid-template-columns:repeat(3,1fr)} }
  .feature{
    background:var(--bg-card);border:1px solid var(--line);border-radius:var(--r-lg);
    padding:26px 24px;box-shadow:var(--shadow-dark),var(--inner-light);
    transition:transform .3s var(--ease),border-color .3s var(--ease);
  }
  .feature:hover{transform:translateY(-4px);border-color:rgba(255,122,24,.4)}
  .feature .ico{
    width:44px;height:44px;border-radius:14px;
    display:inline-flex;align-items:center;justify-content:center;
    background:rgba(255,122,24,.14);color:var(--brand-2);
    font-size:18px;margin-bottom:16px;
  }
  .feature h3{font-size:18px;margin-bottom:10px}
  .feature p{color:var(--ink-2);font-size:14.5px}
  .num-chip{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:14px;
    border:1px solid rgba(255,122,24,.45);
    color:var(--brand-2);font-weight:800;font-size:17px;
    font-variant-numeric:tabular-nums;margin-bottom:16px;
  }

  /* ============ 流程 ============ */
  .flow{display:grid;grid-template-columns:1fr;gap:20px}
  @media (min-width:768px){ .flow{grid-template-columns:repeat(2,1fr)} }
  @media (min-width:1024px){ .flow{grid-template-columns:repeat(4,1fr)} }
  .flow-step{
    position:relative;padding:24px 22px;border-radius:var(--r-md);
    background:var(--bg-soft);border:1px solid var(--line);
    transition:transform .3s var(--ease),border-color .3s var(--ease);
  }
  .flow-step:hover{transform:translateY(-4px);border-color:rgba(255,122,24,.4)}
  .flow-step .step-no{
    font-size:13px;font-weight:800;letter-spacing:.08em;color:var(--accent);
    font-variant-numeric:tabular-nums;
  }
  .flow-step h3{font-size:17px;margin:10px 0 8px}
  .flow-step p{font-size:14px;color:var(--ink-2)}
  .flow-step::after{
    content:"";position:absolute;left:22px;right:22px;top:0;height:2px;
    background:var(--brand-grad);border-radius:2px;opacity:.75;
  }

  /* ============ 暖白区 / FAQ ============ */
  .paper-section{background:var(--paper);color:var(--paper-ink)}
  .paper-section .section-head p{color:var(--paper-ink-2)}
  .paper-section .eyebrow{color:#0E8C7E}
  .paper-section .eyebrow::before{background:#0E8C7E}
  .faq-wrap{display:grid;grid-template-columns:1fr;gap:26px}
  @media (min-width:1024px){ .faq-wrap{grid-template-columns:1.55fr 1fr;align-items:start} }
  .faq-list{display:flex;flex-direction:column;gap:14px}
  .faq-item{
    background:#FFFFFF;border:1px solid var(--paper-line);border-radius:var(--r-md);
    box-shadow:var(--shadow-paper);overflow:hidden;
  }
  .faq-item summary{
    list-style:none;cursor:pointer;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:19px 22px;font-weight:700;font-size:16px;color:var(--paper-ink);
    transition:color .22s var(--ease);
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary::after{
    content:"+";font-size:22px;font-weight:700;line-height:1;
    color:var(--brand-1);flex-shrink:0;
  }
  .faq-item[open] summary::after{content:"−"}
  .faq-item summary:hover{color:#C4560A}
  .faq-body{padding:0 22px 20px}
  .faq-body-inner{
    border-left:4px solid;border-image:var(--brand-grad) 1;
    padding-left:16px;color:var(--paper-ink-2);font-size:15px;
  }
  .aside-card{
    background:#FFFFFF;border:1px solid var(--paper-line);border-radius:var(--r-md);
    padding:26px 24px;box-shadow:var(--shadow-paper);
  }
  .aside-card h3{font-size:18px;margin-bottom:12px}
  .aside-card p{color:var(--paper-ink-2);font-size:14.5px;margin-bottom:18px}
  .aside-list{display:flex;flex-direction:column;gap:12px;margin-bottom:20px}
  .aside-list li{display:flex;gap:10px;font-size:14px;color:var(--paper-ink-2)}
  .aside-list i{color:#0E8C7E;margin-top:6px}

  /* ============ CTA ============ */
  .cta-band{padding:0 0 72px}
  .cta-card{
    position:relative;overflow:hidden;
    border-radius:28px;
    background:linear-gradient(135deg,#FF7A18 0%,#FFC24B 100%);
    color:#2A1405;
    padding:38px 30px;
    display:grid;grid-template-columns:1fr;gap:26px;
    box-shadow:0 30px 60px -30px rgba(255,122,24,.85);
  }
  @media (min-width:1024px){
    .cta-card{grid-template-columns:1.15fr 1fr;align-items:center;padding:44px 46px}
  }
  .cta-card::before{
    content:"";position:absolute;inset:0;
    background-image:linear-gradient(rgba(42,20,5,.10) 1px,transparent 1px),
                     linear-gradient(90deg,rgba(42,20,5,.10) 1px,transparent 1px);
    background-size:40px 40px;opacity:.55;pointer-events:none;
  }
  .cta-card h2{font-size:28px;color:#2A1405;position:relative}
  .cta-card p{color:rgba(42,20,5,.78);font-size:15px;margin-top:10px;position:relative}
  .cta-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;position:relative}
  .cta-badge{
    padding:7px 15px;border-radius:999px;
    background:rgba(255,255,255,.55);border:1px solid rgba(42,20,5,.16);
    font-size:12.5px;font-weight:700;color:#3A1B06;
    font-variant-numeric:tabular-nums;
  }
  .cta-form{position:relative;display:flex;flex-wrap:wrap;gap:12px}
  .cta-form input{
    flex:1 1 220px;min-width:0;
    padding:14px 18px;border-radius:14px;
    background:rgba(255,255,255,.72);
    border:1px solid rgba(42,20,5,.2);
    color:#2A1405;
  }
  .cta-form input::placeholder{color:rgba(42,20,5,.5)}
  .cta-form input:focus{outline:2px solid #17B8A6;outline-offset:1px}
  .cta-note{position:relative;font-size:12.5px;color:rgba(42,20,5,.62);margin-top:12px}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--bg-footer);border-top:1px solid var(--line);padding:56px 0 26px}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:30px}
  @media (min-width:640px){ .footer-grid{grid-template-columns:1fr 1fr} }
  @media (min-width:1024px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr} }
  .footer-brand .logo{margin-bottom:14px}
  .footer-brand p{color:var(--ink-2);font-size:14px;max-width:360px}
  .footer-col h3{font-size:15px;margin-bottom:14px;color:var(--ink)}
  .footer-col ul{display:flex;flex-direction:column;gap:10px}
  .footer-col li{font-size:14px;color:var(--ink-2)}
  .footer-col a{color:var(--ink-2)}
  .footer-col a:hover{color:var(--brand-1)}
  .footer-bottom{
    margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    font-size:13px;color:var(--ink-3);
  }

  @media (prefers-reduced-motion:reduce){
    *{transition:none !important;animation:none !important}
    .card:hover,.feature:hover,.flow-step:hover{transform:none}
    .card:hover .cover img,.rank-row:hover .rank-thumb img{transform:none}
  }

/* roulang page: category3 */
:root{
  --bg:#14111A;
  --bg-soft:#1D1826;
  --bg-card:#221C2E;
  --bg-footer:#100D16;
  --line:rgba(255,255,255,.08);
  --brand-1:#FF7A18;
  --brand-2:#FFC24B;
  --brand-grad:linear-gradient(120deg,#FF7A18 0%,#FFC24B 100%);
  --accent:#17B8A6;
  --hot:#E5484D;
  --paper:#F7F4EF;
  --paper-line:#E7E1D8;
  --paper-ink:#221E28;
  --paper-ink-2:#6B6376;
  --ink:#F4F1F7;
  --ink-2:#A8A2B8;
  --ink-3:#6F6A80;
  --radius-lg:24px;
  --radius-md:20px;
  --radius-img:18px;
  --radius-btn:14px;
  --shadow-dark:0 18px 40px -18px rgba(0,0,0,.7);
  --shadow-paper:0 10px 30px -18px rgba(40,28,16,.22);
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

body h1{font-size:40px;line-height:1.25;letter-spacing:-.02em;font-weight:800;margin:0}
body h2{font-size:28px;line-height:1.3;letter-spacing:-.02em;font-weight:800;margin:0}
body h3{font-size:20px;line-height:1.4;letter-spacing:-.01em;font-weight:700;margin:0}
body p{margin:0}
body img{max-width:100%;display:block}
body a{color:inherit;text-decoration:none}
body ul,body ol{margin:0;padding:0;list-style:none}
body button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;font-size:inherit}
body input{font-family:inherit}

a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
  border-radius:6px;
}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 32px}

.section{padding:88px 0}
.section-soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-paper{background:var(--paper);color:var(--paper-ink)}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:36px}
.section-head .head-main{max-width:720px}
.section-head h2{color:#fff}
.section-paper .section-head h2{color:var(--paper-ink)}
.section-sub{margin-top:12px;color:var(--ink-2);font-size:15px;line-height:1.85}
.section-paper .section-sub{color:var(--paper-ink-2)}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(20,17,26,.72);
  border-bottom:1px solid var(--line);
  transition:background .3s ease,box-shadow .3s ease;
}
.site-header.is-scrolled{
  background:rgba(20,17,26,.88);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  box-shadow:0 12px 34px -22px rgba(0,0,0,.95);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:76px}

.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:18px;letter-spacing:-.01em;flex-shrink:0}
.logo-mark{
  width:34px;height:34px;border-radius:12px;
  background:var(--brand-grad);
  display:grid;place-items:center;
  color:#241A0F;font-size:15px;
  box-shadow:0 10px 22px -12px rgba(255,122,24,.9);
}
.logo-text{white-space:nowrap}

.nav-links{display:flex;align-items:center;gap:6px;margin-left:20px}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 14px;
  border-radius:999px;
  font-size:15px;
  color:var(--ink-2);
  transition:color .25s ease,background .25s ease,border-color .25s ease;
}
.nav-link:hover{color:#fff}
.nav-link.is-active{color:#fff}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;border-radius:2px;
  background:var(--brand-grad);
}
.nav-pill{
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
}
.nav-pill:hover{
  background:rgba(255,122,24,.12);
  border-color:rgba(255,122,24,.4);
  color:#fff;
}
.nav-pill.is-active{
  background:rgba(255,122,24,.16);
  border-color:rgba(255,122,24,.5);
  color:#fff;
}
.nav-pill.is-active::after{display:none}
.tag-new{
  font-size:10px;
  font-weight:700;
  letter-spacing:.06em;
  background:var(--hot);
  color:#fff;
  padding:2px 6px;
  border-radius:999px;
  line-height:1.5;
}

.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}

.nav-toggle{
  display:none;
  margin-left:auto;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.05);
  place-items:center;
  font-size:16px;
  color:var(--ink);
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-weight:700;
  font-size:15px;
  border-radius:var(--radius-btn);
  padding:12px 22px;
  transition:transform .22s ease,filter .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:999px}
.btn-primary{
  background:var(--brand-grad);
  color:#241A0F;
  box-shadow:0 14px 30px -16px rgba(255,122,24,.85);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px)}
.btn-ghost{
  border:1px solid rgba(255,255,255,.24);
  color:var(--ink);
}
.btn-ghost:hover{background:rgba(255,255,255,.08);transform:translateY(-1px)}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--brand-1);
  font-weight:700;
  font-size:14px;
}
.btn-text i{transition:transform .25s ease}
.btn-text:hover i{transform:translateX(4px)}
.btn-block{width:100%}

/* ============ 移动抽屉 ============ */
.mobile-drawer{
  position:fixed;
  left:0;right:0;bottom:0;
  top:76px;
  z-index:55;
  background:rgba(16,13,22,.98);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  padding:22px 20px 32px;
  display:flex;
  flex-direction:column;
  gap:4px;
  overflow-y:auto;
  opacity:0;
  visibility:hidden;
  transform:translateY(-10px);
  transition:opacity .28s ease,transform .28s ease,visibility .28s ease;
}
body.drawer-open .mobile-drawer{opacity:1;visibility:visible;transform:none}
.drawer-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:16px 4px;
  font-size:18px;
  font-weight:700;
  color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-link:hover{color:var(--brand-2)}
.drawer-link.is-active{color:var(--brand-2)}
.drawer-cta{margin-top:auto;padding-top:24px}

/* ============ 分类页头 ============ */
.cat-hero{
  position:relative;
  padding:60px 0 56px;
  min-height:280px;
  background-image:linear-gradient(rgba(20,17,26,.76),rgba(20,17,26,.95)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:20px}
.breadcrumb a{color:var(--ink-2);transition:color .25s ease}
.breadcrumb a:hover{color:var(--brand-2)}
.breadcrumb .sep{color:var(--ink-3)}
.breadcrumb .current{color:var(--brand-1)}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  border:1px solid rgba(255,194,75,.35);
  background:rgba(255,122,24,.1);
  color:var(--brand-2);
  font-size:12px;
  font-weight:700;
  letter-spacing:.04em;
  margin-bottom:18px;
}
.cat-hero h1{max-width:900px}
.cat-hero .hero-desc{
  margin-top:18px;
  max-width:760px;
  color:var(--ink-2);
  font-size:16px;
  line-height:1.9;
}
.stat-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.stat-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 15px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  font-size:13px;
  color:var(--ink-2);
}
.stat-badge strong{color:#fff;font-weight:800;font-variant-numeric:tabular-nums}
.stat-badge.is-accent{border-color:rgba(23,184,166,.45)}
.stat-badge.is-accent strong{color:var(--accent)}

/* ============ 筛选条 ============ */
.filter-bar{
  position:sticky;
  top:76px;
  z-index:40;
  background:rgba(29,24,38,.94);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.filter-inner{display:flex;align-items:center;gap:14px;padding:14px 0}
.chips{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.chips::-webkit-scrollbar{display:none}
.chip-filter{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:8px 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--ink-2);
  font-size:14px;
  font-weight:600;
  white-space:nowrap;
  transition:color .22s ease,background .22s ease,border-color .22s ease;
}
.chip-filter:hover{color:#fff;border-color:rgba(255,122,24,.45)}
.chip-filter.is-active{background:var(--brand-grad);border-color:transparent;color:#241A0F;font-weight:700}
.view-switch{margin-left:auto;display:flex;gap:8px;flex-shrink:0}
.view-btn{
  width:38px;height:38px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--ink-2);
  display:grid;
  place-items:center;
  transition:color .22s ease,background .22s ease,border-color .22s ease;
}
.view-btn:hover{color:#fff;border-color:rgba(255,122,24,.45)}
.view-btn.is-active{background:var(--brand-grad);border-color:transparent;color:#241A0F}

/* ============ 版本横向卡片（双列大列表） ============ */
.version-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.version-card{
  display:grid;
  grid-template-columns:240px 1fr;
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-dark);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.version-card:hover{
  transform:translateY(-4px);
  border-color:rgba(255,122,24,.4);
  box-shadow:0 24px 48px -22px rgba(0,0,0,.85);
}
.vc-media{
  position:relative;
  overflow:hidden;
  min-height:180px;
  background:linear-gradient(135deg,#2A2237,#1A1523);
}
.vc-media img{
  position:absolute;
  inset:0;
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.version-card:hover .vc-media img{transform:scale(1.05)}
.corner{
  position:absolute;
  top:12px;left:12px;
  font-size:11px;
  font-weight:700;
  padding:4px 10px;
  border-radius:999px;
  letter-spacing:.02em;
}
.corner-hot{background:linear-gradient(120deg,#E5484D,#FF7A18);color:#fff}
.corner-normal{background:rgba(20,17,26,.78);color:var(--brand-2);border:1px solid rgba(255,194,75,.35)}
.vc-body{padding:20px 22px;display:flex;flex-direction:column;gap:10px}
.chip-row{display:flex;flex-wrap:wrap;gap:8px}
.chip{
  font-size:12px;
  padding:3px 10px;
  border-radius:999px;
  background:rgba(255,255,255,.07);
  color:var(--ink-2);
  border:1px solid transparent;
  line-height:1.7;
}
.chip-accent{color:var(--accent);border-color:rgba(23,184,166,.35);background:rgba(23,184,166,.08)}
.chip-brand{color:var(--brand-2);border-color:rgba(255,194,75,.35);background:rgba(255,194,75,.08)}
.vc-title{
  font-size:18px;
  font-weight:800;
  line-height:1.45;
  letter-spacing:-.01em;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.vc-title a{transition:color .22s ease}
.vc-title a:hover{color:var(--brand-2)}
.vc-desc{
  font-size:14px;
  line-height:1.8;
  color:var(--ink-2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.vc-foot{
  margin-top:auto;
  padding-top:6px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--ink-3);
  flex-wrap:wrap;
}
.badge-row{display:flex;flex-wrap:wrap;gap:8px}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  font-size:12px;
  color:var(--ink-2);
}
.badge strong{color:var(--accent);font-weight:800;font-variant-numeric:tabular-nums}

/* ============ 分页 ============ */
.pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:44px;flex-wrap:wrap}
.page-btn{
  min-width:42px;
  height:42px;
  padding:0 14px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--ink-2);
  font-weight:700;
  font-size:14px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:color .22s ease,border-color .22s ease,background .22s ease;
}
.page-btn:hover{color:#fff;border-color:rgba(255,122,24,.5)}
.page-btn.is-current{background:var(--brand-grad);border-color:transparent;color:#241A0F}
.page-btn.is-disabled{opacity:.45;pointer-events:none}

/* ============ 版本节奏步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  background:var(--bg-card);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:26px 22px;
  box-shadow:var(--shadow-dark);
  transition:transform .3s ease,border-color .3s ease;
}
.step:hover{transform:translateY(-4px);border-color:rgba(255,122,24,.4)}
.step-num{
  font-size:30px;
  font-weight:800;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1.4px rgba(255,122,24,.85);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.step h3{margin-top:14px;font-size:18px}
.step p{margin-top:8px;font-size:14px;line-height:1.85;color:var(--ink-2)}

/* ============ FAQ ============ */
.faq-list{max-width:880px}
.faq-item{
  background:#fff;
  border:1px solid var(--paper-line);
  border-radius:var(--radius-md);
  box-shadow:0 10px 30px -24px rgba(40,28,16,.5);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item[open]{border-color:rgba(255,122,24,.5);box-shadow:0 14px 34px -24px rgba(255,122,24,.55)}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 24px;
  font-size:17px;
  font-weight:700;
  color:var(--paper-ink);
  transition:color .22s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  font-size:22px;
  font-weight:400;
  line-height:1;
  color:var(--brand-1);
  transition:transform .25s ease;
}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:hover{color:var(--brand-1)}
.faq-body{
  position:relative;
  padding:0 24px 22px 30px;
  font-size:15px;
  line-height:1.9;
  color:var(--paper-ink-2);
}
.faq-body::before{
  content:"";
  position:absolute;
  left:24px;top:4px;bottom:24px;
  width:4px;
  border-radius:4px;
  background:var(--brand-grad);
}
.faq-body{padding-left:44px}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  background:linear-gradient(135deg,#FF7A18 0%,#FFC24B 100%);
  border-radius:28px;
  padding:44px;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:34px;
  align-items:center;
  color:#241A0F;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(36,26,15,.14) 1px,transparent 1px),linear-gradient(90deg,rgba(36,26,15,.14) 1px,transparent 1px);
  background-size:46px 46px;
  opacity:.5;
  pointer-events:none;
}
.cta-inner{position:relative}
.cta-band h2{color:#241A0F;font-size:28px}
.cta-desc{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(36,26,15,.82);max-width:520px}
.cta-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.cta-badge{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.45);
  border:1px solid rgba(36,26,15,.14);
  font-size:13px;
  font-weight:700;
  color:#241A0F;
}
.cta-form{
  position:relative;
  display:flex;
  gap:10px;
  background:rgba(255,255,255,.6);
  border:1px solid rgba(36,26,15,.12);
  padding:10px;
  border-radius:18px;
}
.cta-form input{
  flex:1;
  min-width:0;
  border:0;
  background:transparent;
  padding:12px 14px;
  font-size:15px;
  color:#241A0F;
  outline:none;
  border-radius:12px;
}
.cta-form input::placeholder{color:rgba(36,26,15,.5)}
.cta-form .btn{background:#1A1420;color:#fff;box-shadow:0 14px 30px -18px rgba(0,0,0,.7)}
.cta-form .btn:hover{filter:brightness(1.12);transform:translateY(-1px)}
.cta-note{margin-top:14px;font-size:13px;color:rgba(36,26,15,.72)}
.form-msg{margin-top:12px;font-size:13px;font-weight:700;color:#5B2E00;display:none}
.form-msg.is-visible{display:block}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-footer);border-top:1px solid var(--line);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand .logo{margin-bottom:0}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.85;color:var(--ink-2);max-width:320px}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:0}
.footer-col ul{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--ink-2)}
.footer-col a{transition:color .22s ease}
.footer-col a:hover{color:var(--brand-1)}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--ink-3);
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:grid}
  .header-actions{margin-left:auto}
  .header-actions .btn-ghost{display:none}
  .version-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .cta-band{grid-template-columns:1fr;padding:34px}
  .footer-grid{grid-template-columns:1fr 1fr}
}

@media (max-width:768px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  body h1{font-size:28px}
  body h2{font-size:22px}
  body h3{font-size:18px}
  body{font-size:15px}
  .cat-hero{padding:44px 0 44px;min-height:auto}
  .cat-hero .hero-desc{font-size:15px}
  .header-inner{min-height:68px}
  .mobile-drawer{top:68px}
  .filter-bar{top:68px}
  .cta-band h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

@media (max-width:640px){
  .version-card{grid-template-columns:1fr}
  .vc-media{min-height:190px}
  .steps{grid-template-columns:1fr}
  .cta-form{flex-direction:column;background:transparent;border:0;padding:0}
  .cta-form input{background:rgba(255,255,255,.66);border:1px solid rgba(36,26,15,.12);border-radius:14px}
  .cta-form .btn{width:100%}
  .pager .page-num{display:none}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important}
  .version-card:hover,.step:hover,.btn:hover{transform:none}
  .version-card:hover .vc-media img{transform:none}
}