/* roulang page: index */
:root{
  --bg-ink:#14110F;
  --surface:#1E1A17;
  --surface-2:#26211D;
  --line:rgba(245,241,236,.10);
  --brand:#E8552D;
  --brand-2:#2E5E4E;
  --accent:#D8FF4B;
  --text:#F5F1EC;
  --text-2:#B3A99E;
  --text-3:#7C736B;
  --paper:#F6F2EC;
  --ink-on-paper:#1A1613;
  --radius:14px;
  --radius-pill:999px;
  --radius-sm:8px;
  --container:1240px;
  --gap:22px;
  --shadow-light:0 2px 12px rgba(20,17,15,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-ink);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.9;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--text);text-decoration:none;background-color:transparent;transition:color .3s var(--ease),border-color .3s var(--ease);}
a:hover,a:focus{color:var(--brand);}
p{margin:0 0 1.15em;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.32;color:var(--text);}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;}
::selection{background:var(--brand);color:#fff;}
/* 覆盖 Foundation 默认外观 */
a.button,.button,button.button{
  background:var(--brand);color:#fff;border-radius:var(--radius-pill);
  padding:12px 26px;font-weight:700;letter-spacing:.02em;border:0;margin:0;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),background .3s var(--ease);
}
a.button:hover,.button:hover{background:#f2633a;color:#fff;box-shadow:0 0 0 4px rgba(232,85,45,.18);}
a.button.hollow,.button.hollow{background:transparent;color:var(--text);border:1px solid var(--line);}
a.button.hollow:hover,.button.hollow:hover{border-color:var(--brand);color:var(--brand);box-shadow:none;background:transparent;}
.callout{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);color:var(--text);}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);color:var(--text);box-shadow:none;}
label{color:var(--text-2);font-weight:600;font-size:14px;}
.wrap{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%;}
.section{padding:88px 0;border-top:1px solid var(--line);}
.section:first-of-type{border-top:0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap;}
.sec-title{font-size:28px;position:relative;padding-left:16px;}
.sec-title::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--brand);}
.sec-desc{margin:10px 0 0;color:var(--text-2);font-size:14.5px;max-width:640px;}
.sec-more{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;color:var(--text-2);border-bottom:1px solid transparent;padding-bottom:2px;}
.sec-more:hover{color:var(--brand);border-bottom-color:var(--brand);}
.sec-more i{transition:transform .3s var(--ease);}
.sec-more:hover i{transform:translateX(4px);}
/* 通知条 */
.notice-bar{background:var(--brand-2);color:#EDF5F1;font-size:13.5px;line-height:1.7;}
.notice-bar .wrap{display:flex;align-items:center;gap:12px;padding-top:9px;padding-bottom:9px;}
.notice-bar strong{color:#fff;font-weight:700;}
.notice-bar .note-tag{background:rgba(216,255,75,.16);color:var(--accent);border:1px solid rgba(216,255,75,.35);border-radius:4px;padding:1px 8px;font-size:12px;line-height:1.6;white-space:nowrap;}
.notice-bar button{margin-left:auto;color:#CFE0D8;font-size:15px;line-height:1;}
.notice-bar button:hover{color:#fff;}
/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(20,17,15,.92);border-bottom:1px solid transparent;transition:border-color .3s var(--ease),background .3s var(--ease);}
.site-header.is-scrolled{border-bottom-color:var(--line);}
.nav-inner{display:flex;align-items:center;gap:26px;min-height:74px;}
.brand{display:flex;flex-direction:column;line-height:1.1;flex-shrink:0;}
.brand-main{font-size:20px;font-weight:800;letter-spacing:.04em;color:var(--text);}
.brand-main span{color:var(--brand);}
.brand-sub{font-size:11.5px;color:var(--text-3);letter-spacing:.14em;}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:wrap;}
.nav-menu a{position:relative;display:inline-block;padding:8px 12px;font-size:15px;color:var(--text-2);border-radius:var(--radius-sm);}
.nav-menu a::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);}
.nav-menu a:hover{color:var(--text);background:var(--surface-2);}
.nav-menu a:hover::after,.nav-menu a.active::after{transform:scaleX(1);}
.nav-menu a.active{color:var(--brand);}
.nav-cta{display:inline-flex;align-items:center;gap:8px;background:var(--brand);color:#fff;border-radius:var(--radius-pill);padding:10px 22px;font-weight:700;font-size:15px;transition:box-shadow .3s var(--ease),transform .3s var(--ease);}
.nav-cta:hover{color:#fff;box-shadow:0 0 0 4px rgba(232,85,45,.18);transform:translateY(-1px);}
.nav-toggle{display:none;margin-left:auto;font-size:22px;color:var(--text);padding:6px 10px;}
/* Hero */
.hero{position:relative;overflow:hidden;padding:96px 0 72px;isolation:isolate;}
.hero::before{content:"";position:absolute;inset:0;z-index:-2;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center;}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:
  linear-gradient(100deg,rgba(20,17,15,.96) 0%,rgba(20,17,15,.82) 42%,rgba(20,17,15,.42) 100%),
  linear-gradient(180deg,rgba(20,17,15,.35) 0%,rgba(20,17,15,.15) 45%,var(--bg-ink) 100%);}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:52px;align-items:center;}
.hero-copy{max-width:640px;}
.hero-tag{display:inline-flex;align-items:center;gap:8px;border:1px solid rgba(216,255,75,.4);background:rgba(216,255,75,.10);color:var(--accent);border-radius:4px;padding:5px 12px;font-size:13px;margin-bottom:20px;}
.hero h1{font-size:clamp(28px,4.2vw,44px);margin-bottom:18px;}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{color:var(--text-2);font-size:17px;max-width:560px;margin-bottom:30px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:40px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;border-top:1px solid var(--line);padding-top:26px;}
.stat{position:relative;padding-left:16px;min-width:110px;}
.stat::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:2px;background:var(--brand);}
.stat-num{font-size:28px;font-weight:800;color:var(--brand);line-height:1.2;font-variant-numeric:tabular-nums;}
.stat-label{font-size:13px;color:var(--text-2);}
.hero-card{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface);}
.hero-card .ratio{position:relative;padding-top:133%;}
.hero-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.hero-card-body{padding:16px 18px 20px;}
.hero-card-body h3{font-size:17px;margin-bottom:8px;}
.hero-card-body p{font-size:14px;color:var(--text-2);margin:0;}
/* 信任条 */
.trust{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.trust-inner{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;}
.trust-item{padding:30px 22px;border-left:1px solid var(--line);}
.trust-item:first-child{border-left:0;}
.trust-item i{color:var(--brand);font-size:20px;margin-bottom:10px;display:block;}
.trust-item h3{font-size:17px;margin-bottom:6px;}
.trust-item p{font-size:14px;color:var(--text-2);margin:0;}
/* 卡片通用 */
.thumb{position:relative;overflow:hidden;border-radius:var(--radius-sm);background:var(--surface-2);}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease),filter .5s var(--ease);}
.thumb.r169{padding-top:56.25%;}
.thumb.r34{padding-top:133%;}
.thumb img{position:absolute;inset:0;}
.badge{display:inline-block;background:var(--brand-2);color:#E9F3EE;border-radius:4px;font-size:12px;line-height:1.7;padding:1px 9px;}
.badge.hot{background:rgba(216,255,75,.16);color:var(--accent);border:1px solid rgba(216,255,75,.36);}
/* 横滑轨道 */
.rail-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:26px;}
.rail-nav{display:flex;gap:10px;}
.rail-nav button{width:38px;height:38px;border:1px solid var(--line);border-radius:50%;color:var(--text-2);transition:all .3s var(--ease);}
.rail-nav button:hover{border-color:var(--brand);color:var(--brand);}
.rail{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:12px;scrollbar-width:none;}
.rail::-webkit-scrollbar{display:none;}
.rail-card{flex:0 0 224px;scroll-snap-align:start;}
.rail-card a{display:block;}
.rail-card .thumb{border:1px solid var(--line);}
.rail-card .rail-cap{position:absolute;left:0;right:0;bottom:0;padding:34px 12px 12px;background:linear-gradient(180deg,rgba(20,17,15,0) 0%,rgba(20,17,15,.92) 78%);}
.rail-card h3{font-size:15.5px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rail-card .rail-badge{position:absolute;left:10px;top:10px;z-index:2;}
.rail-card a:hover h3{color:var(--brand);}
.rail-card a:hover .thumb img{transform:scale(1.04);filter:brightness(1.06);}
.rail-card a:hover .thumb{border-color:var(--brand);}
/* 热播推荐 */
.feature-grid{display:grid;grid-template-columns:2fr 1fr;gap:26px;align-items:start;}
.feature-main{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface);transition:border-color .3s var(--ease);}
.feature-main:hover{border-color:var(--brand);}
.feature-main .thumb{border-radius:0;}
.feature-main .thumb img{transition:transform .5s var(--ease);}
.feature-main:hover .thumb img{transform:scale(1.03);}
.feature-main-body{padding:24px 26px 28px;}
.feature-main-body h3{font-size:22px;margin:10px 0 12px;}
.feature-main-body p{color:var(--text-2);font-size:15px;margin:0;}
.feature-side{display:flex;flex-direction:column;gap:16px;}
.mini-card{display:flex;gap:14px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:12px;transition:border-color .3s var(--ease),background .3s var(--ease);}
.mini-card:hover{border-color:var(--brand);background:var(--surface-2);}
.mini-card .mini-thumb{flex:0 0 118px;position:relative;padding-top:0;height:80px;border-radius:var(--radius-sm);overflow:hidden;background:var(--surface-2);}
.mini-card .mini-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.mini-card h3{font-size:16px;line-height:1.5;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mini-card .meta{font-size:13px;color:var(--text-3);}
.mini-card .go{color:var(--text-3);transition:transform .3s var(--ease),color .3s var(--ease);}
.mini-card:hover .go{color:var(--brand);transform:translateX(4px);}
/* CMS 卡片网格 */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.post-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:border-color .3s var(--ease),transform .3s var(--ease);}
.post-card:hover{border-color:var(--brand);transform:translateY(-3px);}
.post-card:hover .thumb img{transform:scale(1.04);filter:brightness(1.06);}
.post-card-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card h3{font-size:17.5px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card:hover h3{color:var(--brand);}
.post-card .excerpt{font-size:14.5px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0;}
.post-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);border-top:1px solid var(--line);padding-top:12px;}
.post-meta i{transition:transform .3s var(--ease);}
.post-card:hover .post-meta i{transform:translateX(4px);color:var(--brand);}
.empty-state{grid-column:1/-1;border:1px dashed var(--line);border-radius:var(--radius);min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:var(--text-2);padding:30px;}
.empty-state i{font-size:26px;color:var(--text-3);}
.rank-list{margin-top:34px;border-top:1px solid var(--line);}
.rank-item{display:flex;align-items:center;gap:18px;padding:15px 4px;border-bottom:1px solid var(--line);transition:background .3s var(--ease);}
.rank-item:hover{background:var(--surface);}
.rank-no{font-size:15px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;flex:0 0 34px;}
.rank-item a{flex:1;font-size:15.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.rank-date{font-size:13px;color:var(--text-3);flex:0 0 auto;}
/* 分类片单 */
.cate-block{padding:56px 0;border-top:1px solid var(--line);}
.cate-block:first-of-type{border-top:0;}
.cate-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap;}
.cate-head h3{font-size:24px;margin-bottom:8px;}
.cate-head p{color:var(--text-2);font-size:14.5px;margin:0;max-width:680px;}
.layout-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.cate-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:border-color .3s var(--ease),transform .3s var(--ease);}
.cate-card:hover{border-color:var(--brand);transform:translateY(-3px);}
.cate-card:hover .thumb img{transform:scale(1.04);}
.cate-card-body{padding:14px 16px 18px;}
.cate-card h4{font-size:16px;line-height:1.5;margin-bottom:8px;}
.cate-card p{font-size:13.5px;color:var(--text-2);margin:0;}
.split-img{display:grid;grid-template-columns:1.1fr 1fr;gap:30px;align-items:center;}
.split-img .thumb{border:1px solid var(--line);}
.split-body h3{font-size:23px;margin-bottom:14px;}
.split-body p{color:var(--text-2);font-size:15px;}
.check-list{display:grid;gap:10px;margin:18px 0 22px;}
.check-list li{display:flex;gap:10px;font-size:15px;color:var(--text);}
.check-list i{color:var(--brand);margin-top:.42em;}
.num-list{display:grid;gap:14px;}
.num-item{display:flex;gap:20px;align-items:flex-start;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;background:var(--surface);transition:border-color .3s var(--ease);}
.num-item:hover{border-color:var(--brand);}
.num-ring{flex:0 0 46px;height:46px;border-radius:50%;border:1px solid var(--brand);color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;}
.num-item h4{font-size:17px;margin-bottom:6px;}
.num-item p{font-size:14.5px;color:var(--text-2);margin:0;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px;}
.tag-row a{border:1px solid var(--line);border-radius:var(--radius-pill);padding:6px 16px;font-size:14px;color:var(--text-2);}
.tag-row a:hover{border-color:var(--brand);color:var(--brand);background:var(--surface);}
/* CTA */
.cta-band{position:relative;overflow:hidden;border-radius:20px;padding:52px 56px;display:flex;align-items:center;justify-content:space-between;gap:32px;background-image:linear-gradient(100deg,rgba(46,94,78,.95),rgba(20,17,15,.86)),url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center;border:1px solid var(--line);}
.cta-band h2{font-size:27px;margin-bottom:10px;}
.cta-band p{color:#D8E6DF;margin:0;font-size:15px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto;}
/* FAQ */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;padding:22px 4px;font-size:17px;font-weight:700;color:var(--text);transition:color .3s var(--ease);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-item summary .faq-ico{margin-left:auto;color:var(--text-3);transition:transform .3s var(--ease),color .3s var(--ease);}
.faq-item[open] summary{color:var(--brand);}
.faq-item[open] summary .faq-ico{transform:rotate(90deg);color:var(--brand);}
.faq-answer{padding:0 4px 24px 20px;border-left:3px solid var(--brand);margin-left:0;}
.faq-answer p{font-size:15px;line-height:1.9;color:var(--text-2);margin:0;}
/* 页脚 */
.site-footer{background:var(--surface);border-top:1px solid var(--line);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding-bottom:44px;}
.footer-brand .brand-main{font-size:19px;margin-bottom:6px;}
.footer-brand p{font-size:14px;color:var(--text-3);margin:12px 0 0;max-width:320px;}
.footer-key{margin-top:14px;font-size:13px;color:var(--text-3);line-height:1.9;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text);}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--text-3);border-bottom:1px solid transparent;}
.footer-col a:hover{color:var(--text);border-bottom-color:var(--text);}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0 28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-3);}
.footer-bottom span{line-height:1.9;}
/* 响应式 */
@media screen and (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-card{max-width:320px;}
  .feature-grid{grid-template-columns:1fr;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .layout-grid{grid-template-columns:repeat(2,1fr);}
  .split-img{grid-template-columns:1fr;}
  .trust-inner{grid-template-columns:repeat(2,1fr);}
  .trust-item:nth-child(3){border-left:0;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media screen and (max-width:767px){
  body{font-size:16px;}
  .section{padding:56px 0;}
  .wrap{padding:0 16px;}
  .nav-menu{display:none;}
  .nav-toggle{display:block;}
  .site-header.drawer-open .nav-menu{display:flex;flex-direction:column;align-items:stretch;position:absolute;left:0;right:0;top:100%;background:var(--bg-ink);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 16px 22px;gap:4px;margin:0;}
  .site-header.drawer-open .nav-menu a{padding:13px 8px;font-size:16px;}
  .site-header.drawer-open .nav-cta{width:100%;justify-content:center;margin-top:12px;}
  .nav-inner{min-height:66px;gap:12px;position:relative;}
  .hero{padding:64px 0 52px;}
  .hero-stats{gap:20px;}
  .stat{min-width:calc(50% - 20px);}
  .rail-card{flex:0 0 158px;}
  .rail-nav{display:none;}
  .post-grid{grid-template-columns:1fr;}
  .layout-grid{grid-template-columns:1fr;}
  .trust-inner{grid-template-columns:1fr;}
  .trust-item{border-left:0;border-top:1px solid var(--line);padding:22px 4px;}
  .trust-item:first-child{border-top:0;}
  .mini-card .mini-thumb{flex:0 0 96px;height:68px;}
  .cta-band{padding:32px 22px;flex-direction:column;align-items:flex-start;}
  .cta-band h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .button{flex:1 1 auto;text-align:center;}
  .sec-title{font-size:23px;}
  .feature-main-body{padding:20px;}
  .feature-main-body h3{font-size:19px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .rank-item a{white-space:normal;}
}
@media screen and (min-width:768px) and (max-width:1023px){
  .post-grid{grid-template-columns:repeat(2,1fr);}
}

/* roulang page: article */
:root{
  --bg-ink:#14110F;
  --surface:#1E1A17;
  --surface-2:#26211D;
  --line:rgba(245,241,236,.10);
  --brand:#E8552D;
  --brand-hi:#F26A44;
  --brand-2:#2E5E4E;
  --accent:#D8FF4B;
  --text:#F5F1EC;
  --text-2:#B3A99E;
  --text-3:#7C736B;
  --paper:#F6F2EC;
  --ink-on-paper:#1A1613;
  --radius:14px;
  --radius-sm:8px;
  --radius-lg:20px;
  --pill:999px;
  --wrap:1240px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --shadow-card:0 2px 12px rgba(20,17,15,.08);
  --shadow-deep:0 18px 44px rgba(0,0,0,.42);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-ink);color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .3s var(--ease),border-color .3s var(--ease),background-color .3s var(--ease),transform .3s var(--ease)}
a:hover{color:var(--brand)}
button{font:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}
ul,ol{margin:0;padding:0}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:var(--bg-ink);
  border-bottom:1px solid transparent;transition:border-color .3s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:78px}
.logo{display:inline-flex;flex-direction:column;gap:6px;line-height:1}
.logo .brand-main{font-size:20px;font-weight:800;letter-spacing:.05em;color:var(--text)}
.logo .brand-main span{color:var(--brand);margin-left:3px}
.logo .brand-sub{font-size:11px;letter-spacing:.18em;color:var(--text-3)}
.nav-menu{display:flex;align-items:center;gap:2px}
.nav-menu a{position:relative;padding:10px 14px;font-size:15px;color:var(--text-2);border-radius:var(--radius-sm)}
.nav-menu a:hover{color:var(--text);background:rgba(245,241,236,.05)}
.nav-menu a.active{color:var(--text);font-weight:600}
.nav-menu a.active::after{content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2px;border-radius:2px;background:var(--brand)}
.nav-menu .nav-cta{
  display:inline-flex;align-items:center;gap:8px;margin-left:14px;
  padding:11px 20px;background:var(--brand);color:#fff;font-size:15px;font-weight:600;
  border-radius:var(--pill);border:1px solid var(--brand);
}
.nav-menu .nav-cta:hover{background:var(--brand-hi);border-color:var(--brand-hi);color:#fff;transform:translateY(-1px)}
.nav-menu .nav-cta::after{display:none}
.nav-menu .nav-cta:active{transform:translateY(0)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;width:46px;height:46px;
  background:var(--surface);border:1px solid var(--line);border-radius:12px;color:var(--text);font-size:17px;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}
.nav-backdrop{
  position:fixed;inset:0;background:rgba(10,8,7,.66);z-index:85;opacity:0;visibility:hidden;
  transition:opacity .3s var(--ease),visibility .3s var(--ease);
}
.nav-backdrop.is-open{opacity:1;visibility:visible}

/* ---------- 面包屑与文章头 ---------- */
.page-top{padding:34px 0 30px;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-top::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(760px 320px at 12% 0%,rgba(232,85,45,.16),transparent 70%);
}
.breadcrumb{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13px;color:var(--text-3);margin-bottom:22px}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{opacity:.45}
.breadcrumb .current{color:var(--brand);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.badge{
  position:relative;display:inline-flex;align-items:center;gap:7px;
  padding:5px 12px;border-radius:4px;font-size:12px;letter-spacing:.05em;
  background:rgba(46,94,78,.34);border:1px solid rgba(46,94,78,.66);color:#A9D6BF;
}
.badge i{font-size:10px}
.article-hero h1{
  position:relative;margin:18px 0 16px;max-width:880px;
  font-size:clamp(28px,4.2vw,44px);line-height:1.3;font-weight:800;letter-spacing:.005em;
}
.article-lead{position:relative;max-width:780px;color:var(--text-2);font-size:18px;line-height:1.82;margin:0}
.article-meta{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px;font-size:13px;color:var(--text-3)}
.article-meta .dot{opacity:.45}
.article-meta strong{color:var(--text-2);font-weight:500}

/* ---------- 正文区 ---------- */
.article-shell{padding:46px 0 76px}
.article-layout{align-items:flex-start}
.article-card{
  width:100%;max-width:780px;margin:0 auto;background:var(--paper);color:var(--ink-on-paper);
  border-radius:var(--radius-lg);padding:48px 52px;box-shadow:var(--shadow-deep);
}
.article-body{font-size:17px;line-height:1.95;color:var(--ink-on-paper);overflow-wrap:break-word}
.article-body p{margin:0 0 1.15em}
.article-body h2{
  position:relative;font-size:26px;line-height:1.4;font-weight:800;
  margin:2.2em 0 .9em;padding-left:16px;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:2px;background:var(--brand)}
.article-body h3{font-size:20px;line-height:1.5;font-weight:700;margin:1.8em 0 .7em;color:#141110}
.article-body h4{font-size:17px;font-weight:700;margin:1.5em 0 .6em}
.article-body ul{margin:0 0 1.2em;padding-left:4px;list-style:none}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.55em}
.article-body ul li::before{content:"";position:absolute;left:0;top:.66em;width:8px;height:8px;border-radius:2px;background:var(--brand)}
.article-body ol{margin:0 0 1.2em;padding-left:1.5em}
.article-body ol li{margin-bottom:.55em}
.article-body ol li::marker{color:var(--brand);font-weight:700}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;border-left:3px solid var(--brand-2);
  background:rgba(46,94,78,.10);border-radius:0 10px 10px 0;color:#3C342C;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:#B23A16;text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand)}
.article-body img{border-radius:12px;margin:1.7em auto;max-width:100%;height:auto}
.article-body figure{margin:1.7em 0}
.article-body figcaption{font-size:13px;color:#6E655C;text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:1.7em 0;font-size:15px;background:#fff}
.article-body th{background:var(--brand-2);color:#fff;font-weight:600;text-align:left}
.article-body th,.article-body td{border:1px solid rgba(26,22,19,.12);padding:10px 14px}
.article-body tbody tr:nth-child(even){background:rgba(26,22,19,.03)}
.article-body hr{border:none;border-top:1px solid rgba(26,22,19,.14);margin:2.4em 0}
.empty-state{text-align:center;padding:58px 20px;color:#5D544B}
.empty-state i{font-size:34px;color:var(--brand);display:block;margin-bottom:16px}
.empty-state h2{font-size:20px;margin:0 0 10px;color:var(--ink-on-paper);padding:0}
.empty-state h2::before{display:none}
.empty-state p{margin:0 0 22px;font-size:15px}
.empty-state .btn-ghost{color:var(--brand);border-color:var(--brand)}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:var(--pill);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:background-color .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease),transform .3s var(--ease),box-shadow .3s var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-primary:hover{background:var(--brand-hi);border-color:var(--brand-hi);color:#fff;transform:translateY(-2px);box-shadow:0 10px 26px rgba(232,85,45,.32)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:rgba(232,85,45,.08)}
.btn-soft{background:var(--surface-2);color:var(--text);border-color:var(--line);border-radius:var(--radius-sm)}
.btn-soft:hover{border-color:var(--brand);color:var(--brand)}
.btn-block{width:100%}

/* ---------- 侧栏 ---------- */
.article-side{margin-top:34px}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 22px 18px;margin-bottom:20px;
  transition:border-color .3s var(--ease);
}
.side-card:hover{border-color:rgba(232,85,45,.45)}
.side-title{display:flex;align-items:center;gap:9px;margin:0 0 16px;font-size:15px;font-weight:700;letter-spacing:.04em}
.side-title::before{content:"";width:3px;height:15px;border-radius:2px;background:var(--brand)}
.side-list{list-style:none;margin:0;padding:0}
.side-list li+li{margin-top:13px}
.side-list a{display:flex;gap:12px;align-items:center;color:var(--text-2);font-size:14px;line-height:1.5}
.side-list a:hover{color:var(--brand)}
.side-list img{width:66px;height:46px;object-fit:cover;border-radius:8px;flex:0 0 auto;border:1px solid var(--line)}
.side-note{font-size:13px;color:var(--text-3);line-height:1.75;margin:0 0 16px}
.side-steps{list-style:none;margin:0;padding:0;counter-reset:s}
.side-steps li{
  counter-increment:s;position:relative;padding-left:30px;margin-bottom:12px;
  font-size:14px;color:var(--text-2);line-height:1.65;
}
.side-steps li::before{
  content:counter(s,decimal-leading-zero);position:absolute;left:0;top:1px;
  font-size:12px;font-weight:700;color:var(--brand);letter-spacing:.04em;
}

/* ---------- 文末区域 ---------- */
.article-foot{margin-top:44px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:40px}
.tag{
  display:inline-flex;align-items:center;gap:7px;padding:7px 15px;font-size:13px;
  color:var(--text-2);border:1px solid var(--line);border-radius:var(--pill);background:rgba(245,241,236,.02);
}
.tag:hover{border-color:var(--brand);color:var(--brand);background:rgba(232,85,45,.08)}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:22px}
.sec-head h2{font-size:24px;font-weight:800;margin:0;letter-spacing:.01em}
.sec-head p{margin:8px 0 0;color:var(--text-2);font-size:14px}
.sec-head .more{font-size:14px;color:var(--text-2);display:inline-flex;align-items:center;gap:8px}
.sec-head .more:hover{color:var(--brand)}
.sec-head .more i{transition:transform .3s var(--ease)}
.sec-head .more:hover i{transform:translateX(4px)}
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.rec-card{
  display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:border-color .3s var(--ease),transform .3s var(--ease);
}
.rec-card:hover{border-color:var(--brand);transform:translateY(-3px);color:inherit}
.rec-thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease),filter .4s var(--ease)}
.rec-card:hover .rec-thumb img{transform:scale(1.05);filter:brightness(1.06)}
.rec-body{padding:18px 20px 20px}
.rec-body h3{font-size:17px;line-height:1.5;font-weight:700;margin:0 0 10px}
.rec-body p{margin:0 0 14px;font-size:13px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-meta{font-size:12px;color:var(--text-3);display:flex;align-items:center;gap:8px}
.rec-meta i{color:var(--brand)}
.topline{height:1px;background:var(--line);margin:52px 0 44px;border:none}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:linear-gradient(90deg,rgba(20,17,15,.92) 0%,rgba(20,17,15,.72) 48%,rgba(20,17,15,.42) 100%),
             url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  padding:52px 52px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;margin:0 0 12px;line-height:1.35}
.cta-band p{margin:0;color:var(--text-2);font-size:15px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-wrap{padding-bottom:80px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-2);border-top:1px solid rgba(245,241,236,.10);padding:62px 0 26px;color:rgba(245,241,236,.78)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand .brand-main{font-size:20px;font-weight:800;letter-spacing:.05em;color:#fff}
.footer-brand .brand-main span{color:var(--accent);margin-left:3px}
.footer-brand .brand-sub{font-size:11px;letter-spacing:.18em;color:rgba(245,241,236,.62);margin-top:7px}
.footer-brand p{margin:18px 0 16px;font-size:14px;line-height:1.85;color:rgba(245,241,236,.72);max-width:360px}
.footer-key{font-size:12px;line-height:1.8;color:rgba(245,241,236,.52)}
.footer-col h4{margin:0 0 16px;font-size:15px;font-weight:700;color:#fff}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li+li{margin-top:11px}
.footer-col a{font-size:14px;color:rgba(245,241,236,.74)}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:46px;padding-top:20px;border-top:1px solid rgba(245,241,236,.16);
  font-size:12.5px;color:rgba(245,241,236,.58);
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .article-card{padding:40px 32px}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .cta-band{padding:44px 32px}
}
@media screen and (max-width:900px){
  .nav-toggle{display:inline-flex}
  .nav-menu{
    position:fixed;top:0;right:0;bottom:0;width:min(84vw,360px);
    flex-direction:column;align-items:stretch;gap:6px;
    background:var(--bg-ink);border-left:1px solid var(--line);
    padding:100px 22px 34px;z-index:90;
    transform:translateX(102%);transition:transform .35s var(--ease);
    overflow-y:auto;
  }
  .nav-menu.is-open{transform:translateX(0)}
  .nav-menu a{padding:15px 12px;font-size:16px;border-radius:10px;color:var(--text-2)}
  .nav-menu a.active::after{left:12px;right:auto;width:24px;bottom:8px}
  .nav-menu .nav-cta{margin:14px 0 0;width:100%;justify-content:center}
}
@media screen and (max-width:767px){
  .wrap{padding:0 16px}
  .header-inner{min-height:68px}
  .logo .brand-main{font-size:18px}
  .page-top{padding:24px 0 24px}
  .article-lead{font-size:16px}
  .article-shell{padding:32px 0 56px}
  .article-card{padding:26px 20px;border-radius:14px}
  .article-body{font-size:16.5px;line-height:1.9}
  .article-body h2{font-size:21px;padding-left:13px}
  .article-body h3{font-size:18px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .rec-grid{grid-template-columns:1fr;gap:18px}
  .cta-band{padding:34px 22px;border-radius:16px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;margin-top:34px}
}
@media screen and (max-width:520px){
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
  .article-meta{font-size:12.5px;gap:8px}
}

/* roulang page: category1 */
:root{
  --bg-ink:#14110F;
  --surface:#1E1A17;
  --surface-2:#26211D;
  --line:rgba(245,241,236,.10);
  --brand:#E8552D;
  --brand-hover:#F26A44;
  --brand-2:#2E5E4E;
  --accent:#D8FF4B;
  --text:#F5F1EC;
  --text-2:#B3A99E;
  --text-3:#7C736B;
  --paper:#F6F2EC;
  --radius:14px;
  --radius-lg:20px;
  --gutter:24px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-ink);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--text);text-decoration:none;transition:color .3s var(--ease),border-color .3s var(--ease),background-color .3s var(--ease)}
a:hover{color:var(--brand)}
button{font:inherit;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px}
a:active{opacity:.85}

/* Foundation 默认外观覆盖 */
.button{background:var(--brand);color:#fff;border-radius:999px;font-weight:600;border:0}
.button:hover,.button:focus{background:var(--brand-hover);color:#fff}
.callout{background:var(--surface);border:1px solid var(--line);color:var(--text);border-radius:var(--radius)}
.top-bar{background:var(--bg-ink)}
.menu a{color:var(--text-2)}

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

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(20,17,15,.94);
  border-bottom:1px solid transparent;
  transition:border-color .3s var(--ease),background-color .3s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);background:rgba(16,13,11,.98)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{font-size:19px;font-weight:800;letter-spacing:.04em;color:var(--text);line-height:1.2}
.brand-mark em{font-style:normal;color:var(--brand)}
.brand-tag{font-size:12px;color:var(--text-2);padding-left:12px;border-left:1px solid var(--line);letter-spacing:.06em;line-height:1.4}
.nav-menu{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.nav-menu > a{
  position:relative;
  display:inline-block;
  padding:9px 12px;
  font-size:15px;
  color:var(--text-2);
  border-radius:8px;
  transition:color .3s var(--ease),background-color .3s var(--ease);
}
.nav-menu > a:hover{color:var(--text);background:var(--surface-2)}
.nav-menu > a.active{color:var(--brand)}
.nav-menu > a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--brand);border-radius:2px;
}
.nav-menu > a.nav-cta{
  margin-left:10px;background:var(--brand);color:#fff;border-radius:999px;
  padding:10px 20px;font-weight:600;display:inline-flex;align-items:center;gap:8px;
}
.nav-menu > a.nav-cta::after{display:none}
.nav-menu > a.nav-cta:hover{background:var(--brand-hover);color:#fff;transform:translateY(-1px)}
.nav-toggle{
  display:none;background:transparent;border:1px solid var(--line);color:var(--text);
  width:44px;height:40px;border-radius:10px;align-items:center;justify-content:center;font-size:16px;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* 面包屑 */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:26px}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{color:var(--text-3);opacity:.6}
.crumbs .current{color:var(--brand)}

/* 页首区 */
.page-hero{
  position:relative;
  padding:88px 0 66px;
  background-image:linear-gradient(to bottom,rgba(20,17,15,.78) 0%,rgba(20,17,15,.90) 55%,var(--bg-ink) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:4px;
  background:rgba(216,255,75,.12);
  color:var(--accent);
  font-size:13px;letter-spacing:.08em;
}
.page-hero h1{
  font-size:clamp(28px,4.2vw,44px);
  line-height:1.26;
  font-weight:800;
  margin:18px 0 0;
  max-width:760px;
}
.hero-lead{
  margin-top:18px;
  font-size:17px;
  line-height:1.9;
  color:var(--text-2);
  max-width:680px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 26px;border-radius:999px;
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  transition:transform .3s var(--ease),background-color .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-hover);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(232,85,45,.28)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-sm{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:8px;font-size:14px;font-weight:600;
  border:1px solid var(--line);color:var(--text-2);
  transition:all .3s var(--ease);
}
.btn-sm:hover{border-color:var(--brand);color:var(--brand);background:rgba(232,85,45,.08)}
.btn-sm i{transition:transform .3s var(--ease)}
.btn-sm:hover i{transform:translateX(4px)}

.hero-facts{display:flex;flex-wrap:wrap;margin-top:46px;padding-top:26px;border-top:1px solid var(--line)}
.fact{padding-right:34px;margin-right:34px;border-right:1px solid var(--line);margin-bottom:12px}
.fact:last-child{border-right:0;margin-right:0;padding-right:0}
.fact b{display:block;font-size:28px;font-weight:800;color:var(--brand);line-height:1.25;font-variant-numeric:tabular-nums}
.fact span{display:block;font-size:13px;color:var(--text-2);margin-top:2px}

/* 板块 */
.section{padding:88px 0}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{
  font-size:clamp(22px,3vw,28px);
  line-height:1.35;font-weight:800;
  border-left:4px solid var(--brand);
  padding-left:16px;
}
.section-head p{margin-top:16px;font-size:15.5px;line-height:1.9;color:var(--text-2)}

.cards-grid > .cell{display:flex;margin-bottom:var(--gutter)}
.grid-padding-x{margin-left:calc(var(--gutter) / -2);margin-right:calc(var(--gutter) / -2)}
.grid-padding-x > .cell{padding-left:calc(var(--gutter) / 2);padding-right:calc(var(--gutter) / 2)}

/* 核对卡片 */
.check-card{
  width:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 24px;
  transition:border-color .3s var(--ease),background-color .3s var(--ease),transform .3s var(--ease);
}
.check-card:hover{border-color:var(--brand);background:var(--surface-2);transform:translateY(-3px)}
.check-card .num{font-size:13px;letter-spacing:.12em;color:var(--accent);font-variant-numeric:tabular-nums}
.check-card h3{margin:10px 0 10px;font-size:17px;font-weight:700;line-height:1.5}
.check-card p{font-size:14.5px;line-height:1.85;color:var(--text-2)}

/* 图文大卡 */
.guide-card{
  width:100%;
  display:grid;
  grid-template-columns:38% 1fr;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  transition:border-color .3s var(--ease),background-color .3s var(--ease);
}
.guide-card:hover{border-color:var(--brand);background:var(--surface-2)}
.guide-card .thumb{position:relative;min-height:230px;overflow:hidden;background:var(--surface-2)}
.guide-card .thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease),filter .5s var(--ease)}
.guide-card:hover .thumb img{transform:scale(1.04);filter:brightness(1.06)}
.guide-card .body{padding:26px 26px 24px;display:flex;flex-direction:column}
.guide-card h3{font-size:18px;font-weight:700;line-height:1.5;margin-bottom:12px}
.guide-card p{font-size:14.5px;line-height:1.9;color:var(--text-2)}
.ticks{margin-top:16px;display:flex;flex-direction:column;gap:8px}
.ticks li{display:flex;gap:9px;font-size:14px;color:var(--text-2);line-height:1.7}
.ticks li i{color:var(--brand);font-size:13px;margin-top:5px;flex-shrink:0}
.guide-card .btn-sm{align-self:flex-start;margin-top:20px}

/* 处理顺序 */
.steps-list{margin-top:6px}
.steps-list li{display:flex;gap:18px;padding:20px 0;border-bottom:1px solid var(--line)}
.steps-list li:first-child{padding-top:0}
.steps-list li:last-child{border-bottom:0;padding-bottom:0}
.steps-list .idx{
  font-size:15px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;flex-shrink:0;line-height:1.9;letter-spacing:.04em;
}
.steps-list h3{font-size:16px;font-weight:700;margin-bottom:6px;line-height:1.6}
.steps-list p{font-size:14.5px;line-height:1.9;color:var(--text-2)}
.tip-bar{
  margin-top:30px;
  display:flex;gap:12px;align-items:flex-start;
  padding:18px 22px;
  background:rgba(46,94,78,.22);
  border:1px solid rgba(46,94,78,.65);
  border-left:3px solid var(--brand-2);
  border-radius:10px;
  font-size:14.5px;line-height:1.85;color:var(--text-2);
}
.tip-bar i{color:var(--accent);margin-top:6px}

/* 常见问题 */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 0;font-size:17px;font-weight:700;line-height:1.6;
  cursor:pointer;list-style:none;color:var(--text);
  transition:color .3s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-item summary i{color:var(--brand);transition:transform .3s var(--ease);flex-shrink:0}
.faq-item[open] summary i{transform:rotate(90deg)}
.faq-body{
  padding:0 0 24px 18px;
  border-left:3px solid transparent;
  font-size:15px;line-height:1.95;color:var(--text-2);
  margin-left:2px;
  transition:border-color .3s var(--ease);
}
.faq-item[open] .faq-body{border-left-color:var(--brand)}

/* 底部 CTA */
.cta-band{padding:0 0 88px}
.cta-inner{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  padding:56px;
  background-image:linear-gradient(90deg,rgba(20,17,15,.94) 0%,rgba(20,17,15,.72) 60%,rgba(20,17,15,.5) 100%),url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
  border:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta-inner h2{font-size:clamp(22px,3vw,28px);font-weight:800;line-height:1.4}
.cta-inner p{margin-top:12px;font-size:15px;color:var(--text-2);max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex-shrink:0}

/* 页脚 */
.site-footer{background:#100D0B;border-top:1px solid var(--line);padding:64px 0 28px;color:var(--text-3)}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:44px}
.footer-brand .brand-main{font-size:20px;font-weight:800;color:var(--text);letter-spacing:.04em}
.footer-brand .brand-main span{color:var(--brand)}
.footer-brand .brand-sub{font-size:13px;color:var(--text-2);margin-top:6px;letter-spacing:.08em}
.footer-brand p{font-size:14px;line-height:1.9;color:var(--text-3);margin:18px 0}
.footer-key{font-size:12.5px;line-height:1.9;color:var(--text-3);border-top:1px solid var(--line);padding-top:16px}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text);margin-bottom:18px;letter-spacing:.06em}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14px;color:var(--text-3);transition:color .3s var(--ease)}
.footer-col a:hover{color:var(--text);text-decoration:underline;text-underline-offset:3px}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;
  margin-top:52px;padding-top:22px;border-top:1px solid var(--line);
  font-size:12.5px;line-height:1.9;color:var(--text-3);
}

/* 响应式 */
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr;gap:32px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:44px 36px}
}
@media (max-width:899px){
  .nav-toggle{display:inline-flex}
  .nav-menu{
    position:fixed;
    top:74px;left:0;right:0;bottom:0;
    background:var(--bg-ink);
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    padding:24px 24px 40px;
    overflow-y:auto;
    transform:translateX(100%);
    transition:transform .35s var(--ease);
    z-index:70;
    border-top:1px solid var(--line);
  }
  .nav-menu.is-open{transform:translateX(0)}
  .nav-menu > a{padding:15px 14px;font-size:17px;border-radius:10px}
  .nav-menu > a.active::after{left:14px;right:auto;width:22px;bottom:8px}
  .nav-menu > a.nav-cta{margin:18px 0 0;justify-content:center;padding:14px 20px;font-size:16px}
  .section{padding:64px 0}
  .page-hero{padding:64px 0 48px}
  .cta-band{padding-bottom:64px}
}
@media (max-width:767px){
  .wrap{padding:0 16px}
  .grid-padding-x{margin-left:-8px;margin-right:-8px}
  .grid-padding-x > .cell{padding-left:8px;padding-right:8px}
  .cards-grid > .cell{margin-bottom:16px}
  .section{padding:56px 0}
  .page-hero{padding:52px 0 40px}
  .hero-lead{font-size:16px}
  .hero-facts{margin-top:34px;padding-top:20px}
  .fact{width:50%;padding-right:0;margin-right:0;border-right:0;margin-bottom:16px}
  .fact b{font-size:24px}
  .btn{padding:12px 22px;font-size:14.5px}
  .hero-actions{width:100%}
  .hero-actions .btn{flex:1 1 auto;justify-content:center}
  .guide-card{grid-template-columns:1fr}
  .guide-card .thumb{min-height:0;aspect-ratio:16/9}
  .guide-card .thumb img{position:static;height:100%;aspect-ratio:16/9}
  .guide-card .body{padding:22px 20px}
  .check-card{padding:22px 20px}
  .cta-inner{padding:34px 24px;border-radius:16px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto;justify-content:center}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{margin-top:34px}
  .faq-item summary{font-size:16px;padding:18px 0}
}

/* roulang page: category2 */
:root{
  --bg-ink:#14110F;
  --surface:#1E1A17;
  --surface-2:#26211D;
  --line:rgba(245,241,236,.10);
  --brand:#E8552D;
  --brand-2:#2E5E4E;
  --accent:#D8FF4B;
  --text:#F5F1EC;
  --text-2:#B3A99E;
  --text-3:#7C736B;
  --paper:#F6F2EC;
  --ink-on-paper:#1A1613;
  --radius:14px;
  --radius-lg:20px;
  --gap:24px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --maxw:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-ink);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
h1,h2,h3,h4,h5,h6{font-family:inherit;color:var(--text);font-weight:800;line-height:1.32;margin:0 0 16px;letter-spacing:0}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
a{color:var(--text-2);text-decoration:none;transition:color .3s var(--ease),border-color .3s var(--ease)}
a:hover,a:focus{color:var(--brand)}
ul,ol{margin:0;padding:0}
button{font-family:inherit}
::selection{background:var(--brand);color:#fff}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--bg-ink);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 30px rgba(0,0,0,.45)}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  min-height:76px;
}
.brand{display:flex;flex-direction:column;gap:2px;text-decoration:none;flex:0 0 auto}
.brand-main{font-size:20px;font-weight:800;color:var(--text);letter-spacing:.6px;line-height:1.2}
.brand-main span{color:var(--brand);margin-left:2px}
.brand-sub{font-size:11.5px;color:var(--text-3);letter-spacing:2.4px;line-height:1.2}
.brand:hover .brand-main{color:var(--brand)}
.brand:hover .brand-main span{color:var(--text)}

.nav-menu{display:flex;align-items:center;gap:26px}
.nav-menu a{
  position:relative;
  font-size:15px;
  color:var(--text-2);
  padding:6px 0;
  white-space:nowrap;
  transition:color .3s var(--ease);
}
.nav-menu a:hover{color:var(--text)}
.nav-menu a.active{color:var(--brand);font-weight:700}
.nav-menu a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--brand);border-radius:2px;
}
.nav-menu a.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand);color:#fff !important;font-weight:700;
  padding:11px 22px;border-radius:999px;font-size:14.5px;
  border:1px solid transparent;
  transition:background .3s var(--ease),transform .3s var(--ease),box-shadow .3s var(--ease);
}
.nav-menu a.nav-cta:hover{background:#f2673f;transform:translateY(-1px);box-shadow:0 8px 22px rgba(232,85,45,.32)}
.nav-menu a.nav-cta:active{transform:translateY(0)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  background:var(--surface);border:1px solid var(--line);color:var(--text);
  font-size:18px;cursor:pointer;transition:border-color .3s var(--ease),color .3s var(--ease);
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* ============ 面包屑 ============ */
.crumb{padding:20px 0 0;font-size:13px;color:var(--text-3);display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--text-3);opacity:.6}
.crumb .now{color:var(--brand);font-weight:700}

/* ============ 页面头图 ============ */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,17,15,.74) 0%,rgba(20,17,15,.88) 52%,var(--bg-ink) 100%);
}
.page-hero .wrap{position:relative;z-index:2;padding-top:66px;padding-bottom:58px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1px;
  color:var(--accent);
  background:rgba(216,255,75,.10);
  border:1px solid rgba(216,255,75,.34);
  padding:6px 14px;border-radius:999px;margin-bottom:22px;
}
.page-hero h1{
  font-size:clamp(28px,4.2vw,44px);
  line-height:1.28;max-width:800px;margin-bottom:18px;
}
.page-hero h1 em{font-style:normal;color:var(--brand)}
.hero-lead{
  max-width:660px;font-size:17px;color:var(--text-2);line-height:1.9;margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:8px}
.stat-row{
  display:flex;flex-wrap:wrap;
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
}
.stat{flex:1 1 170px;padding:0 22px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0;padding-left:0}
.stat b{display:block;font-size:28px;font-weight:800;color:var(--brand);line-height:1.25}
.stat span{display:block;font-size:13px;color:var(--text-2);margin-top:2px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-size:15px;font-weight:700;line-height:1;
  padding:15px 28px;border-radius:999px;
  background:var(--brand);color:#fff;border:1px solid transparent;
  cursor:pointer;text-decoration:none;
  transition:background .3s var(--ease),transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease),color .3s var(--ease);
}
.btn:hover{background:#f2673f;color:#fff;transform:translateY(-1px);box-shadow:0 10px 26px rgba(232,85,45,.32)}
.btn:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{background:transparent;border-color:var(--brand);color:var(--brand);box-shadow:none}
.btn-sm{padding:11px 20px;font-size:14px}
.btn-block{width:100%}

/* ============ 板块 ============ */
.section{padding:88px 0}
.section--tight{padding-top:56px}
.section--line{border-top:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:44px}
.section-title{
  position:relative;padding-left:16px;
  font-size:clamp(22px,2.6vw,28px);margin-bottom:14px;
}
.section-title::before{
  content:"";position:absolute;left:0;top:.32em;width:4px;height:1em;background:var(--brand);border-radius:2px;
}
.section-sub{font-size:16px;color:var(--text-2);margin:0}

/* Foundation 栅格定制 */
.grid-x{row-gap:var(--gap);margin-left:calc(var(--gap) / -2);margin-right:calc(var(--gap) / -2)}
.grid-x>.cell{padding-left:calc(var(--gap) / 2);padding-right:calc(var(--gap) / 2)}

/* ============ 步骤流程 ============ */
.steps{display:grid;gap:18px}
.step{
  display:grid;grid-template-columns:64px 1fr;gap:22px;
  padding:26px 26px 26px 24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  transition:border-color .3s var(--ease),background .3s var(--ease),transform .3s var(--ease);
}
.step:hover{border-color:rgba(232,85,45,.55);background:var(--surface-2);transform:translateY(-2px)}
.step-num{
  width:56px;height:56px;border-radius:50%;
  border:2px solid var(--brand);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:800;letter-spacing:.5px;
  flex:0 0 auto;
}
.step-body h3{font-size:18px;margin-bottom:10px}
.step-body p{font-size:15px;color:var(--text-2);margin-bottom:0}
.point-list{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:8px}
.point-list li{position:relative;padding-left:22px;font-size:14.5px;color:var(--text-2);line-height:1.8}
.point-list li::before{
  content:"";position:absolute;left:0;top:.66em;width:8px;height:8px;border-radius:2px;background:var(--brand);
}
.point-list li.check::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  width:auto;height:auto;background:none;color:var(--brand);font-size:12px;top:.2em;
}

/* 侧栏竖版图 */
.side-figure{
  position:sticky;top:104px;
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--surface);
}
.side-figure img{width:100%;aspect-ratio:3/4;object-fit:cover;transition:transform .5s var(--ease),filter .5s var(--ease)}
.side-figure:hover img{transform:scale(1.04);filter:brightness(1.06)}
.figure-cap{
  padding:16px 18px;font-size:13.5px;color:var(--text-2);border-top:1px solid var(--line);line-height:1.75;
}
.side-note{
  margin-top:20px;padding:20px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);
}
.side-note h4{font-size:15px;margin-bottom:10px}
.side-note p{font-size:13.8px;color:var(--text-2);margin:0}

/* ============ 功能卡片 ============ */
.feature-card{
  height:100%;
  padding:26px 24px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  transition:border-color .3s var(--ease),background .3s var(--ease),transform .3s var(--ease);
}
.feature-card:hover{border-color:rgba(232,85,45,.5);background:var(--surface-2);transform:translateY(-3px)}
.feature-icon{
  width:46px;height:46px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(46,94,78,.28);
  border:1px solid rgba(46,94,78,.8);
  color:var(--accent);font-size:18px;margin-bottom:18px;
}
.feature-card h3{font-size:17px;margin-bottom:10px}
.feature-card p{font-size:14.5px;color:var(--text-2);margin-bottom:0}
.tag{
  display:inline-block;font-size:12.5px;font-weight:700;
  color:var(--accent);background:rgba(216,255,75,.10);
  border:1px solid rgba(216,255,75,.32);
  padding:3px 10px;border-radius:4px;margin-bottom:12px;
}

/* ============ 表格 ============ */
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--surface);
}
table.data-table{width:100%;border-collapse:collapse;min-width:620px}
table.data-table caption{
  text-align:left;padding:18px 22px 0;font-size:14px;color:var(--text-3);
}
table.data-table th,table.data-table td{
  padding:16px 22px;font-size:14.5px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;
}
table.data-table th{
  background:rgba(46,94,78,.42);color:var(--text);font-weight:700;font-size:14px;white-space:nowrap;
}
table.data-table td{color:var(--text-2)}
table.data-table tbody tr:last-child td{border-bottom:0}
table.data-table tbody tr:hover td{background:rgba(38,33,29,.7);color:var(--text)}

/* ============ 提示条 ============ */
.notice{
  display:flex;gap:18px;align-items:flex-start;
  padding:22px 26px;border-radius:var(--radius);
  background:rgba(216,255,75,.06);
  border:1px solid rgba(216,255,75,.28);
  margin-top:36px;
}
.notice i{color:var(--accent);font-size:20px;margin-top:4px}
.notice strong{display:block;font-size:16px;margin-bottom:6px;color:var(--text)}
.notice p{font-size:14.5px;color:var(--text-2);margin:0}

/* ============ FAQ ============ */
.faq{border-top:1px solid var(--line);max-width:900px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 0;font-size:17px;font-weight:700;color:var(--text);
  transition:color .3s var(--ease);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--brand)}
.faq summary .ico{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);color:var(--text-3);font-size:12px;
  transition:transform .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease);
}
.faq details[open] summary{color:var(--brand)}
.faq details[open] summary .ico{transform:rotate(45deg);color:var(--brand);border-color:var(--brand)}
.faq .answer{
  padding:0 0 24px 18px;margin-bottom:2px;
  border-left:3px solid var(--brand);
  font-size:15px;line-height:1.9;color:var(--text-2);
}
.faq .answer p{margin-bottom:.8em}

/* ============ CTA ============ */
.cta-band{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);
}
.cta-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(20,17,15,.94) 0%,rgba(20,17,15,.80) 52%,rgba(46,94,78,.72) 100%);
}
.cta-inner{
  position:relative;z-index:2;
  padding:52px 48px;
  align-items:center;
}
.cta-inner h2{font-size:clamp(21px,2.4vw,28px);margin-bottom:10px}
.cta-inner p{font-size:15.5px;color:var(--text-2);margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.cta-actions .btn{flex:0 0 auto}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:88px;
  border-top:1px solid var(--line);
  background:#100D0B;
  padding-top:64px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand-main{font-size:20px;font-weight:800;color:var(--text)}
.footer-brand .brand-main span{color:var(--brand)}
.footer-brand .brand-sub{
  font-size:11.5px;letter-spacing:2.4px;color:var(--brand);margin:6px 0 16px;
}
.footer-brand p{font-size:14px;color:var(--text-3);line-height:1.85;margin-bottom:0}
.footer-key{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--text-3);line-height:1.8;
}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text)}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--text-3)}
.footer-col a:hover{color:var(--text);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);
  margin-top:52px;padding:22px 0 26px;
  font-size:13px;color:var(--text-3);
}
.footer-bottom span{line-height:1.75}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .section{padding:64px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-actions{justify-content:flex-start;margin-top:24px}
  .cta-inner{padding:40px 32px}
  .side-figure{position:static}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .nav-menu{
    position:fixed;left:0;right:0;top:77px;bottom:0;
    background:var(--bg-ink);
    flex-direction:column;align-items:stretch;gap:0;
    padding:16px 24px 48px;
    border-top:1px solid var(--line);
    overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .26s var(--ease),transform .26s var(--ease),visibility .26s var(--ease);
  }
  .nav-menu.open{opacity:1;visibility:visible;transform:none}
  .nav-menu a{padding:16px 0;border-bottom:1px solid var(--line);font-size:16px}
  .nav-menu a.active::after{display:none}
  .nav-menu a.nav-cta{margin-top:22px;width:100%;justify-content:center;border-bottom:0}
}
@media (max-width:767px){
  .wrap{padding:0 16px}
  .section{padding:56px 0}
  .page-hero .wrap{padding-top:44px;padding-bottom:44px}
  .stat{padding:0 16px}
  .stat b{font-size:25px}
  .step{grid-template-columns:1fr;gap:16px;padding:22px 20px}
  .step-num{width:48px;height:48px;font-size:17px}
  .hero-actions .btn{flex:1 1 100%}
  .cta-inner{padding:34px 22px}
  .cta-actions .btn{flex:1 1 100%}
  .faq summary{font-size:16px;padding:18px 0}
  .faq .answer{padding-left:14px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column}
  .site-footer{padding-top:48px;margin-top:64px}
}
@media (max-width:520px){
  .brand-main{font-size:18px}
  .brand-sub{font-size:10.5px;letter-spacing:1.6px}
  .stat{flex:1 1 100%;border-left:0;padding:12px 0 0;border-top:1px solid var(--line)}
  .stat:first-child{border-top:0;padding-top:0}
  .notice{flex-direction:column;gap:10px;padding:20px}
  table.data-table th,table.data-table td{padding:14px 16px;font-size:14px}
}

/* roulang page: category4 */
:root{
  --bg-ink:#14110F;
  --surface:#1E1A17;
  --surface-2:#26211D;
  --line:rgba(245,241,236,.10);
  --brand:#E8552D;
  --brand-hi:#F4703F;
  --brand-2:#2E5E4E;
  --accent:#D8FF4B;
  --text:#F5F1EC;
  --text-2:#B3A99E;
  --text-3:#7C736B;
  --paper:#F6F2EC;
  --ink-on-paper:#1A1613;
  --radius:14px;
  --radius-lg:20px;
  --shadow-soft:0 2px 12px rgba(20,17,15,.08);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg-ink);color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.9;letter-spacing:0;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .3s var(--ease),border-color .3s var(--ease),background-color .3s var(--ease),transform .3s var(--ease)}
a:hover{color:var(--brand)}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{font-weight:800;line-height:1.32;margin:0;color:var(--text)}
p{margin:0 0 1.15em}
ul,ol{margin:0;padding:0}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px}
.foundation-clear{clear:both}

/* Foundation 默认外观覆盖 */
.top-bar,.top-bar ul,.top-bar-left,.top-bar-right{background:transparent;color:var(--text)}
.button{
  background:var(--brand);border-radius:999px;color:#fff;font-weight:600;
  padding:13px 26px;font-size:15px;transition:all .3s var(--ease);box-shadow:none;border:1px solid transparent;
}
.button:hover{background:var(--brand-hi);color:#fff}
.callout{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);color:var(--text-2)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);color:var(--text)}
.grid-x>.cell{min-width:0}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:90;background:rgba(20,17,15,.96);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:22px;height:74px}
.brand-link{display:flex;flex-direction:column;line-height:1.12;flex-shrink:0}
.brand-main{font-size:19px;font-weight:800;letter-spacing:.06em;color:var(--text)}
.brand-main span{color:var(--brand)}
.brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.1em}
.nav-menu{display:flex;align-items:center;gap:2px}
.nav-menu a{position:relative;font-size:14.5px;color:var(--text-2);padding:9px 13px;border-radius:999px;white-space:nowrap}
.nav-menu a:hover{color:var(--text);background:var(--surface-2)}
.nav-menu a.active{color:var(--brand)}
.nav-menu a.active::after{content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;background:var(--brand);border-radius:2px}
.nav-menu .nav-cta{margin-left:12px;background:var(--brand);color:#fff;font-weight:700;padding:10px 18px}
.nav-menu .nav-cta i{margin-right:6px}
.nav-menu .nav-cta:hover{background:var(--brand-hi);color:#fff;transform:translateY(-1px)}
.nav-menu .nav-cta.active::after{display:none}
.nav-toggle{display:none;width:44px;height:40px;border-radius:10px;border:1px solid var(--line);color:var(--text);font-size:16px;align-items:center;justify-content:center}

/* 按钮体系 */
.btn{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:700;padding:13px 26px;border-radius:999px;border:1px solid transparent;transition:all .3s var(--ease);cursor:pointer}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-hi);color:#fff;transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:rgba(245,241,236,.35);color:var(--text);background:rgba(245,241,236,.04)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:rgba(232,85,45,.08)}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:8px}
.btn-block{width:100%;justify-content:center}

/* 面包屑 */
.crumb{padding:22px 0 0;font-size:13px;color:var(--text-3)}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{margin:0 8px;color:#4A423B}
.crumb .current{color:var(--brand)}

/* Hero */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;opacity:.55}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,17,15,.78) 0%,rgba(20,17,15,.88) 52%,var(--bg-ink) 100%)}
.page-hero .inner{position:relative;z-index:2;padding:58px 0 62px;max-width:800px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:.14em;color:var(--accent);border:1px solid rgba(216,255,75,.32);background:rgba(216,255,75,.06);padding:6px 12px;border-radius:4px;margin-bottom:20px}
.page-hero h1{font-size:clamp(28px,4.2vw,44px);line-height:1.28;margin-bottom:16px}
.page-hero h1 em{font-style:normal;color:var(--brand)}
.hero-sub{font-size:17px;color:var(--text-2);max-width:640px;margin-bottom:0}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

/* 数据条 */
.stat-bar{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--line)}
.stat{padding:26px 28px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0;padding-left:0}
.stat b{display:block;font-size:28px;font-weight:800;color:var(--brand);line-height:1.2}
.stat span{display:block;font-size:13px;color:var(--text-2);margin-top:4px}

/* 板块通用 */
.section{padding:88px 0}
.section.tight{padding:56px 0}
.section-line{border-top:1px solid var(--line)}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:34px;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,2.4vw,28px)}
.section-head p{margin:10px 0 0;color:var(--text-2);font-size:14.5px;max-width:660px}
.tag{display:inline-block;font-size:12px;letter-spacing:.08em;color:var(--accent);background:rgba(216,255,75,.08);border:1px solid rgba(216,255,75,.28);border-radius:4px;padding:3px 9px;margin-bottom:12px}
.tag-green{color:#9FDCC6;background:rgba(46,94,78,.28);border-color:rgba(159,220,198,.3)}

/* 场景卡 */
.scene-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;height:100%;transition:all .3s var(--ease)}
.scene-card:hover{border-color:var(--brand);background:var(--surface-2);transform:translateY(-4px)}
.scene-icon{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:rgba(232,85,45,.12);color:var(--brand);font-size:18px;margin-bottom:18px}
.scene-card h3{font-size:18px;margin-bottom:10px}
.scene-card p{color:var(--text-2);font-size:14.6px;margin:0}
.scene-card ul{margin-top:14px}
.scene-card ul li{list-style:none;position:relative;padding-left:20px;font-size:14px;color:var(--text-2);margin-bottom:8px}
.scene-card ul li::before{content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;left:0;top:1px;font-size:11px;color:var(--brand)}

/* 阅读区 */
.reading-shell{background:var(--paper);color:var(--ink-on-paper);border-radius:24px;padding:56px 48px}
.reading-shell h2,.reading-shell h3{color:var(--ink-on-paper)}
.toc{position:sticky;top:104px}
.toc h3{font-size:12px;letter-spacing:.14em;color:#8A8078;font-weight:700;margin-bottom:14px}
.toc ol{list-style:none;counter-reset:toc}
.toc li{margin-bottom:2px}
.toc a{display:block;padding:9px 12px;font-size:14px;color:#5E564E;border-left:2px solid #DED6CC;border-radius:0 8px 8px 0;line-height:1.6}
.toc a:hover{color:var(--brand);border-color:var(--brand);background:rgba(232,85,45,.07)}
.toc-note{margin-top:22px;font-size:12.5px;color:#8A8078;line-height:1.8;border-top:1px dashed #DED6CC;padding-top:16px}
.article-body{max-width:760px;font-size:17px;line-height:1.95;color:#2C2620}
.article-body h2{font-size:clamp(21px,2.2vw,26px);margin:2.2em 0 .8em;padding-left:16px;position:relative;scroll-margin-top:110px}
.article-body h2::before{content:"";position:absolute;left:0;top:.22em;bottom:.16em;width:4px;background:var(--brand);border-radius:2px}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:19px;margin:1.8em 0 .6em}
.article-body p{margin:0 0 1.15em}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body ul{margin:0 0 1.3em}
.article-body ul li{list-style:none;position:relative;padding-left:24px;margin-bottom:.5em}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.62em;width:8px;height:8px;background:var(--brand);border-radius:2px;transform:rotate(45deg)}
.article-body ol{counter-reset:olitem;margin:0 0 1.3em}
.article-body ol li{list-style:none;position:relative;padding-left:34px;margin-bottom:.7em;counter-increment:olitem}
.article-body ol li::before{content:counter(olitem,decimal-leading-zero);position:absolute;left:0;top:.05em;font-weight:800;color:var(--brand);font-size:15px}
.lead-quote{border-left:3px solid var(--brand-2);background:rgba(46,94,78,.07);padding:16px 20px;border-radius:0 12px 12px 0;color:#3B342D;font-size:15.5px;line-height:1.9;margin:0 0 1.6em}
.figure-split{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:center;margin:1.5em 0 2em}
.media-frame{aspect-ratio:16/11;border-radius:14px;overflow:hidden;border:1px solid rgba(26,22,19,.08);box-shadow:var(--shadow-soft);background:#E8E1D8}
.media-frame img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.media-frame:hover img{transform:scale(1.04)}
.figcap{font-size:13px;color:#7A7168;text-align:center;margin-top:10px}
.table-scroll{overflow-x:auto;margin:1.6em 0;border:1px solid #E2DAD0;border-radius:14px}
table.compare{width:100%;min-width:660px;border-collapse:collapse;font-size:15px}
table.compare th{background:var(--brand-2);color:#fff;text-align:left;padding:15px 16px;font-weight:700;white-space:nowrap}
table.compare td{padding:15px 16px;border-bottom:1px solid #E2DAD0;color:#3A332D;vertical-align:top}
table.compare tbody tr:last-child td{border-bottom:0}
table.compare tbody tr:nth-child(even) td{background:rgba(26,22,19,.032)}
.update-note{background:#fff;border:1px solid #E2DAD0;border-radius:14px;padding:22px 24px;margin-top:1.8em}
.update-note h4{font-size:15px;margin-bottom:10px;color:var(--ink-on-paper)}
.update-note p{font-size:14.5px;color:#5E564E;margin:0}

/* 流程 */
.steps{display:grid;gap:18px}
.step{display:grid;grid-template-columns:74px 1fr;gap:24px;align-items:start;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px;transition:all .3s var(--ease)}
.step:hover{border-color:var(--brand);background:var(--surface-2);transform:translateY(-2px)}
.step-no{width:56px;height:56px;border-radius:50%;border:2px solid var(--brand);color:var(--brand);display:grid;place-items:center;font-weight:800;font-size:18px;letter-spacing:.04em}
.step h3{font-size:18px;margin-bottom:8px}
.step p{margin:0;color:var(--text-2);font-size:15px}

/* FAQ */
.faq{border-top:1px solid var(--line);margin-top:6px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{position:relative;list-style:none;cursor:pointer;padding:20px 44px 20px 18px;font-size:17px;font-weight:700;color:var(--text);transition:color .3s var(--ease)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\f107";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;right:14px;top:50%;transform:translateY(-50%);font-size:14px;color:var(--text-3);transition:transform .3s var(--ease),color .3s var(--ease)}
.faq-item summary::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:2px;background:var(--brand);opacity:0;transition:opacity .3s var(--ease)}
.faq-item[open] summary::before{opacity:1}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(180deg);color:var(--brand)}
.faq-item summary:hover{color:var(--brand)}
.faq-body{padding:0 48px 22px 18px;color:var(--text-2);font-size:15px;line-height:1.92}
.faq-body p:last-child{margin-bottom:0}

/* CTA */
.cta-band{position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:56px;display:flex;align-items:center;justify-content:space-between;gap:36px;background:var(--brand-2)}
.cta-band::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;opacity:.26}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(24,42,35,.92) 0%,rgba(24,42,35,.72) 62%,rgba(24,42,35,.45) 100%)}
.cta-band .cta-text,.cta-band .cta-actions{position:relative;z-index:2}
.cta-band h2{font-size:clamp(22px,2.4vw,28px);margin-bottom:10px}
.cta-band p{color:#CFE3DA;font-size:15.5px;margin:0;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;flex-shrink:0}

/* 页脚 */
.site-footer{background:#17130F;border-top:1px solid var(--line);padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand-main{font-size:19px;font-weight:800;letter-spacing:.06em}
.footer-brand .brand-sub{font-size:11px;color:var(--text-3);letter-spacing:.1em;margin:4px 0 16px}
.footer-brand p{color:var(--text-3);font-size:14px;line-height:1.86;margin:0 0 16px}
.footer-key{font-size:12.5px;color:#6B625B;border:1px dashed var(--line);border-radius:10px;padding:10px 13px;line-height:1.8}
.footer-col h4{font-size:14px;color:var(--text);margin-bottom:16px;letter-spacing:.04em}
.footer-col ul li{list-style:none;margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--text-3)}
.footer-col a:hover{color:var(--text);text-decoration:underline;text-underline-offset:3px}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:46px;padding-top:20px;font-size:12.5px;color:var(--text-3)}

/* 响应式 */
@media (max-width:1023px){
  .nav-toggle{display:inline-flex}
  .nav-menu{position:fixed;top:74px;left:0;right:0;bottom:0;background:var(--bg-ink);flex-direction:column;align-items:stretch;gap:4px;padding:22px 24px 40px;transform:translateX(100%);transition:transform .34s var(--ease);overflow-y:auto;border-top:1px solid var(--line)}
  .nav-menu.is-open{transform:translateX(0)}
  .nav-menu a{padding:15px 12px;font-size:16px;border-radius:10px}
  .nav-menu a.active::after{display:none}
  .nav-menu a.active{background:rgba(232,85,45,.1)}
  .nav-menu .nav-cta{margin:14px 0 0;justify-content:center;text-align:center;padding:14px 18px}
  .reading-shell{padding:40px 30px}
  .toc{position:static;margin-bottom:34px}
  .figure-split{grid-template-columns:1fr;gap:20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px}
}
@media (max-width:767px){
  .wrap{padding:0 18px}
  .section{padding:56px 0}
  .section.tight{padding:44px 0}
  .stat-bar{grid-template-columns:1fr}
  .stat{border-left:0;border-top:1px solid var(--line);padding:18px 0}
  .stat:first-child{border-top:0;padding-top:0}
  .page-hero .inner{padding:44px 0 48px}
  .reading-shell{padding:30px 20px;border-radius:18px}
  .article-body{font-size:16.4px}
  .step{grid-template-columns:1fr;gap:14px;padding:22px 20px}
  .step-no{width:46px;height:46px;font-size:16px}
  .faq-item summary{padding:18px 40px 18px 14px;font-size:16px}
  .faq-body{padding:0 20px 20px 14px}
  .cta-band{padding:32px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%;justify-content:center}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .btn{padding:12px 22px}
}

/* roulang page: category3 */
:root{
  --bg-ink:#14110F;
  --surface:#1E1A17;
  --surface-2:#26211D;
  --line:rgba(245,241,236,.10);
  --brand:#E8552D;
  --brand-2:#2E5E4E;
  --accent:#D8FF4B;
  --text:#F5F1EC;
  --text-2:#B3A99E;
  --text-3:#7C736B;
  --paper:#F6F2EC;
  --ink-on-paper:#1A1613;
  --radius:14px;
  --radius-lg:20px;
  --pill:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --maxw:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-ink);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.9;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:var(--text);text-decoration:none;transition:color .3s var(--ease),border-color .3s var(--ease)}
a:hover{color:var(--brand)}
a:focus-visible,button:focus-visible,.chip:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
ul{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.32;letter-spacing:0}
p{margin:0}
button{font-family:inherit;cursor:pointer}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(20,17,15,.94);
  border-bottom:1px solid transparent;
  transition:border-color .3s var(--ease),background .3s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line);background:rgba(20,17,15,.98)}
.header-inner{display:flex;align-items:center;gap:28px;min-height:74px}
.brand{display:flex;flex-direction:column;line-height:1.15;flex:0 0 auto}
.brand-main{font-size:20px;font-weight:800;letter-spacing:.06em;color:var(--text)}
.brand-main span{color:var(--brand);margin-left:4px}
.brand-sub{font-size:12px;color:var(--text-3);letter-spacing:.16em;margin-top:3px}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-menu a{
  position:relative;
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;
  font-size:15px;font-weight:500;
  color:var(--text-2);
  border-radius:8px;
  white-space:nowrap;
}
.nav-menu a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .3s var(--ease);
}
.nav-menu a:hover{color:var(--text);background:var(--surface)}
.nav-menu a:hover::after{transform:scaleX(1)}
.nav-menu a.active{color:var(--brand)}
.nav-menu a.active::after{transform:scaleX(1)}
.nav-menu a.nav-cta{
  background:var(--brand);color:#17130F;font-weight:700;
  border-radius:var(--pill);padding:10px 20px;margin-left:8px;
}
.nav-menu a.nav-cta::after{display:none}
.nav-menu a.nav-cta:hover{background:#F26A43;color:#17130F;transform:translateY(-1px)}
.nav-menu a.nav-cta:active{transform:translateY(0)}
.nav-toggle{
  display:none;margin-left:auto;
  background:var(--surface);border:1px solid var(--line);color:var(--text);
  width:44px;height:44px;border-radius:10px;font-size:18px;
}
.nav-toggle:hover{background:var(--surface-2);color:var(--brand)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:16px;font-weight:700;line-height:1;
  padding:15px 28px;border-radius:var(--pill);
  border:1px solid transparent;
  transition:background .3s var(--ease),color .3s var(--ease),border-color .3s var(--ease),transform .3s var(--ease),box-shadow .3s var(--ease);
  cursor:pointer;
}
.btn-primary{background:var(--brand);color:#17130F}
.btn-primary:hover{background:#F26A43;color:#17130F;transform:translateY(-2px);box-shadow:0 10px 26px rgba(232,85,45,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--text);border-color:rgba(245,241,236,.28)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:11px 20px;font-size:14px}
.btn-block{width:100%}

/* ---------- 面包屑 ---------- */
.crumb-bar{border-bottom:1px solid var(--line);background:var(--surface)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-3);padding:14px 0}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--text)}
.crumb .sep{color:#4A423C}
.crumb .current{color:var(--brand);font-weight:600}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center 30%;
  filter:saturate(1.05);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(100deg,rgba(20,17,15,.96) 0%,rgba(20,17,15,.82) 42%,rgba(20,17,15,.42) 100%),
    linear-gradient(to top,rgba(20,17,15,1) 0%,rgba(20,17,15,.22) 46%,rgba(20,17,15,.5) 100%);
}
.hero-inner{position:relative;z-index:2;padding:86px 24px 64px;max-width:var(--maxw);margin:0 auto}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--accent);background:rgba(216,255,75,.10);
  border:1px solid rgba(216,255,75,.28);
  padding:6px 14px;border-radius:var(--pill);
  text-transform:uppercase;
}
.hero h1{
  font-size:clamp(28px,4.4vw,46px);
  margin:20px 0 0;max-width:760px;
}
.hero-sub{color:var(--text-2);font-size:18px;margin-top:16px;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;margin-top:52px;border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.hero-stats .stat{padding:22px 20px 22px 0;border-right:1px solid var(--line)}
.hero-stats .stat:last-child{border-right:0}
.hero-stats .stat b{display:block;font-size:26px;font-weight:800;color:var(--brand);line-height:1.2;letter-spacing:.01em}
.hero-stats .stat span{display:block;font-size:13px;color:var(--text-2);margin-top:6px}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-alt{background:var(--surface)}
.section-head{margin-bottom:36px}
.section-head h2{
  position:relative;padding-left:16px;
  font-size:clamp(22px,2.4vw,28px);
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  background:var(--brand);border-radius:2px;
}
.section-head p{color:var(--text-2);font-size:16px;margin-top:12px;max-width:760px}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--brand)}
.text-link i{transition:transform .3s var(--ease)}
.text-link:hover i{transform:translateX(4px)}

/* ---------- 筛选 chip ---------- */
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.chip{
  background:var(--surface-2);
  border:1px solid var(--line);
  color:var(--text-2);
  font-size:14px;font-weight:600;
  padding:9px 18px;border-radius:var(--pill);
  transition:all .3s var(--ease);
}
.chip:hover{color:var(--text);border-color:rgba(245,241,236,.24)}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#17130F}
.chip.is-active:hover{color:#17130F}

/* ---------- 场次卡片 ---------- */
.show-grid{margin-top:4px}
.show-item{margin-bottom:24px}
.show-card{
  height:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:border-color .3s var(--ease),background .3s var(--ease),transform .3s var(--ease);
}
.show-card:hover{border-color:var(--brand);background:var(--surface-2);transform:translateY(-3px)}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0E0C0B}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease),filter .45s var(--ease)}
.show-card:hover .card-cover img{transform:scale(1.04);filter:brightness(1.06)}
.card-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(20,17,15,.72),rgba(20,17,15,0) 62%)}
.badge{
  display:inline-flex;align-items:center;gap:5px;
  font-size:11px;font-weight:700;letter-spacing:.06em;
  padding:4px 9px;border-radius:4px;line-height:1.4;
}
.badge-cat{position:absolute;left:12px;top:12px;z-index:2;background:var(--brand-2);color:#EAF4EE}
.badge-state{position:absolute;right:12px;top:12px;z-index:2;background:rgba(20,17,15,.82);color:var(--text-2);border:1px solid var(--line)}
.badge-state.live{background:var(--accent);color:#1B1A0C;border-color:transparent}
.badge-state.done{background:rgba(20,17,15,.82);color:var(--text-3)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-desc{font-size:14px;line-height:1.85;color:var(--text-2);margin-top:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{
  margin-top:auto;padding-top:14px;
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.card-meta .go{color:var(--text-2);display:inline-flex;align-items:center;gap:6px}
.show-card:hover .card-meta .go{color:var(--brand)}
.show-card:hover .card-meta .go i{transform:translateX(4px)}
.card-meta .go i{transition:transform .3s var(--ease)}

/* ---------- 时间节点 ---------- */
.timeline{position:relative;margin-top:8px}
.tl-item{
  display:grid;grid-template-columns:88px 1fr;gap:24px;
  padding:26px 0;border-top:1px solid var(--line);
  transition:background .3s var(--ease);
}
.tl-item:hover{background:rgba(38,33,29,.5)}
.tl-no{
  font-size:22px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
  display:flex;align-items:center;gap:10px;
}
.tl-no::before{content:"";width:12px;height:12px;border-radius:50%;border:2px solid var(--brand);flex:0 0 auto}
.tl-body h3{font-size:18px}
.tl-body p{color:var(--text-2);font-size:15px;margin-top:8px;max-width:820px}

/* ---------- 票券式信息条 ---------- */
.ticket{
  display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;
  background:linear-gradient(120deg,var(--brand-2) 0%,#254B3F 100%);
  border-radius:var(--radius-lg);
  padding:30px 34px;margin-bottom:22px;
  border:1px solid rgba(245,241,236,.10);
  position:relative;overflow:hidden;
}
.ticket::before{
  content:"";position:absolute;left:-40px;top:50%;transform:translateY(-50%);
  width:120px;height:120px;border-radius:50%;
  border:1px dashed rgba(245,241,236,.22);
}
.ticket h3{font-size:19px;position:relative;z-index:1}
.ticket p{color:rgba(245,241,236,.82);font-size:15px;margin-top:8px;max-width:720px;position:relative;z-index:1}
.ticket .ticket-cta{position:relative;z-index:1;white-space:nowrap}

/* ---------- 观看方式（1 大 2 小） ---------- */
.feature-large{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;height:100%;
  display:flex;flex-direction:column;
}
.feature-large .fl-cover{aspect-ratio:16/10;overflow:hidden;position:relative}
.feature-large .fl-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.feature-large:hover .fl-cover img{transform:scale(1.04)}
.feature-large .fl-body{padding:26px 28px 30px}
.feature-large .fl-body h3{font-size:21px}
.feature-large .fl-body p{color:var(--text-2);font-size:15px;margin-top:12px}
.feature-small{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px 26px;
  height:100%;
  transition:border-color .3s var(--ease),background .3s var(--ease);
}
.feature-small:hover{border-color:var(--brand);background:var(--surface-2)}
.feature-small .fi{font-size:20px;color:var(--brand);margin-bottom:14px}
.feature-small h3{font-size:17px}
.feature-small p{color:var(--text-2);font-size:14px;margin-top:10px}
.stack{display:grid;gap:22px}

/* ---------- 数据块 ---------- */
.stat-block{
  border-top:1px solid var(--line);
  padding-top:18px;
}
.stat-block b{display:block;font-size:28px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.15}
.stat-block span{display:block;font-size:13px;color:var(--text-2);margin-top:8px}

/* ---------- 速览清单 ---------- */
.rank-list{border-top:1px solid var(--line)}
.rank-item{
  display:grid;grid-template-columns:56px 1fr 130px auto;gap:18px;align-items:center;
  padding:18px 12px;border-bottom:1px solid var(--line);
  transition:background .3s var(--ease),padding-left .3s var(--ease);
}
.rank-item:hover{background:var(--surface-2);padding-left:20px}
.rank-item .no{font-size:15px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums}
.rank-item .tt{font-size:16px;font-weight:600;color:var(--text)}
.rank-item .tag{font-size:12px;color:var(--accent);border:1px solid rgba(216,255,75,.3);background:rgba(216,255,75,.08);padding:3px 10px;border-radius:4px;justify-self:start}
.rank-item .tm{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;text-align:right}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);transition:background .3s var(--ease)}
.faq details[open]{background:rgba(38,33,29,.45)}
.faq summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 14px;font-size:17px;font-weight:700;color:var(--text);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--brand)}
.faq summary .ic{color:var(--brand);transition:transform .3s var(--ease);font-size:14px}
.faq details[open] summary{position:relative}
.faq details[open] summary::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;background:var(--brand);border-radius:2px}
.faq details[open] summary .ic{transform:rotate(45deg)}
.faq .ans{padding:0 14px 22px;font-size:15px;line-height:1.9;color:var(--text-2);max-width:900px}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--radius-lg);border:1px solid var(--line)}
.cta-band .cta-bg{position:absolute;inset:0;background-size:cover;background-position:center}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(46,94,78,.95) 0%,rgba(20,17,15,.82) 100%)}
.cta-inner{position:relative;z-index:2;padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);max-width:640px}
.cta-inner p{color:rgba(245,241,236,.84);font-size:16px;margin-top:12px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--surface);border-top:1px solid var(--line);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand-main{font-size:22px}
.footer-brand .brand-sub{font-size:12px;color:var(--text-3);letter-spacing:.14em;margin-top:6px}
.footer-brand p{color:var(--text-3);font-size:14px;line-height:1.9;margin-top:16px;max-width:380px}
.footer-key{color:var(--text-3);font-size:12px;margin-top:16px;line-height:1.9}
.footer-col h4{font-size:15px;color:var(--text);margin-bottom:16px}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a{color:var(--text-3);font-size:14px}
.footer-col ul li a:hover{color:var(--text);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
  margin-top:52px;border-top:1px solid var(--line);
  padding:22px 0 30px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .hero-inner{padding:62px 24px 48px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{padding:40px 32px}
}
@media (max-width:991px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-menu{
    display:none;
    position:fixed;left:0;right:0;top:74px;bottom:0;
    background:var(--bg-ink);
    flex-direction:column;align-items:stretch;gap:4px;
    padding:22px 20px 40px;margin-left:0;
    overflow-y:auto;
  }
  .nav-menu.is-open{display:flex}
  .nav-menu a{padding:15px 14px;font-size:16px;border-radius:10px;border-bottom:1px solid var(--line)}
  .nav-menu a::after{display:none}
  .nav-menu a.active{color:var(--brand);background:var(--surface)}
  .nav-menu a.nav-cta{margin:18px 0 0;justify-content:center;border-bottom:0}
  .header-inner{gap:12px}
}
@media (max-width:767px){
  body{font-size:16px}
  .section{padding:56px 0}
  .hero-inner{padding:48px 16px 40px}
  .hero-stats{grid-template-columns:1fr 1fr;margin-top:36px}
  .hero-stats .stat{padding:18px 12px 18px 0;border-bottom:1px solid var(--line)}
  .hero-stats .stat:nth-child(2n){border-right:0;padding-right:0}
  .wrap{padding:0 16px}
  .ticket{grid-template-columns:1fr;padding:24px 22px}
  .ticket .ticket-cta{width:100%}
  .ticket .ticket-cta .btn{width:100%}
  .tl-item{grid-template-columns:64px 1fr;gap:16px}
  .rank-item{grid-template-columns:44px 1fr;gap:12px 14px;padding:16px 8px}
  .rank-item .tag{grid-column:2;justify-self:start}
  .rank-item .tm{grid-column:2;text-align:left}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;gap:8px}
  .cta-inner{padding:32px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .section-head h2{font-size:22px}
}
@media (max-width:519px){
  .hero-actions .btn{width:100%}
  .card-body{padding:16px}
  .feature-large .fl-body{padding:22px 20px 26px}
}