/* roulang page: index */
:root{
  --brand:#FF7A1A;
  --brand-deep:#E05F00;
  --teal:#14B8A6;
  --purple:#7C5CFF;
  --gold:#FFC857;
  --bg:#0B0E13;
  --surface:#141A22;
  --surface-2:#1D2530;
  --surface-3:#202A36;
  --sidebar-bg:#0F141B;
  --border:#2A3441;
  --text:#F4F6F8;
  --text-2:#A8B3C1;
  --text-3:#6F7A89;
  --link:#FFB27A;
  --ok:#22C55E;
  --warn:#F59E0B;
  --err:#EF4444;
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --radius-xs:8px;
  --shadow:0 16px 40px rgba(0,0,0,.35);
  --shadow-hover:0 22px 56px rgba(0,0,0,.5);
  --sidebar-w:260px;
  --sidebar-w-md:80px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Helvetica,Arial,sans-serif;
  font-size:17px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--link);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--brand);}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.02em;line-height:1.25;}
h1{font-weight:900;}
h2{font-weight:700;}
h3{font-weight:600;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(255,122,26,.55);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(255,122,26,.35);color:#fff;}

/* 布局骨架 */
.app{display:flex;min-height:100vh;}
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--sidebar-bg);
  border-right:1px solid var(--border);
  display:flex;flex-direction:column;
  z-index:60;
  transition:transform .28s ease,width .28s ease;
}
.brand{
  height:64px;flex:0 0 64px;display:flex;align-items:center;gap:12px;
  padding:0 20px;border-bottom:1px solid var(--border);
}
.brand__mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),#FF9A4D);
  color:#101418;font-weight:900;font-size:17px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(255,122,26,.35);
}
.brand__text{font-size:16px;font-weight:700;letter-spacing:.02em;white-space:nowrap;}
.nav{padding:18px 12px;display:flex;flex-direction:column;gap:6px;flex:1 1 auto;overflow-y:auto;}
.nav__item{
  position:relative;display:flex;align-items:center;gap:12px;
  height:44px;padding:0 12px;border-radius:10px;
  color:var(--text-2);font-size:15px;font-weight:500;white-space:nowrap;
}
.nav__item i{width:20px;text-align:center;font-size:15px;color:inherit;}
.nav__item:hover{background:var(--surface-2);color:var(--text);}
.nav__item.is-active{background:var(--surface-3);color:var(--brand);font-weight:600;}
.nav__item.is-active::before{
  content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:0 3px 3px 0;background:var(--brand);
}
.sidebar__foot{padding:16px 20px 22px;border-top:1px solid var(--border);font-size:13px;color:var(--text-3);}
.sidebar__foot a{color:var(--text-2);font-size:13px;display:inline-flex;align-items:center;gap:6px;}
.sidebar__foot a:hover{color:var(--brand);}

.main{margin-left:var(--sidebar-w);flex:1 1 auto;min-width:0;display:flex;flex-direction:column;min-height:100vh;}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 28px;}
.section{padding:88px 0;border-top:1px solid rgba(42,52,65,.55);}
.section--alt{background:var(--surface);}
.section--plain{border-top:none;padding-top:64px;}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;}
.section__title{font-size:34px;font-weight:700;}
.section__title span{color:var(--brand);}
.section__desc{margin-top:10px;color:var(--text-2);font-size:15px;max-width:720px;}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--link);}
.link-more:hover{color:var(--brand);gap:12px;}

/* 顶栏（移动端） */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:64px;z-index:70;
  background:rgba(15,20,27,.96);border-bottom:1px solid var(--border);
  align-items:center;justify-content:space-between;padding:0 16px;backdrop-filter:blur(6px);
}
.topbar__brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:15px;}
.topbar__brand .brand__mark{width:30px;height:30px;flex:0 0 30px;border-radius:9px;font-size:15px;}
.topbar__btn{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--border);
  background:var(--surface-2);color:var(--text);display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:border-color .2s ease,color .2s ease;
}
.topbar__btn:hover{border-color:var(--brand);color:var(--brand);}
.drawer-mask{
  display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:55;
}
.drawer-mask.is-open{display:block;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:12px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;text-align:center;min-height:44px;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn--primary{background:var(--brand);color:#141414;box-shadow:0 10px 26px rgba(255,122,26,.28);font-weight:700;}
.btn--primary:hover{background:#FF8C38;color:#141414;transform:translateY(-1px);box-shadow:0 14px 32px rgba(255,122,26,.4),0 0 0 3px rgba(255,122,26,.25);}
.btn--outline{background:transparent;border-color:var(--border);color:var(--text);}
.btn--outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.btn--ghost{background:transparent;color:var(--brand);padding-left:8px;padding-right:8px;}
.btn--ghost:hover{background:rgba(255,122,26,.12);color:var(--brand);}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* 徽章、标签 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:6px;font-size:12px;font-weight:600;line-height:1.7;
}
.badge--hot{background:rgba(255,122,26,.16);color:var(--brand);}
.badge--new{background:rgba(20,184,166,.16);color:#3ED9C8;}
.badge--gold{background:rgba(255,200,87,.16);color:var(--gold);}
.badge--purple{background:rgba(124,92,255,.18);color:#A996FF;}
.chip{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  border:1px solid var(--border);background:rgba(20,26,34,.75);
  color:var(--text-2);font-size:13px;font-weight:500;
}
.chip:hover{border-color:var(--brand);color:var(--brand);}

/* Hero */
.hero{
  position:relative;display:flex;align-items:center;
  min-height:560px;max-height:760px;height:70vh;
  background-image:linear-gradient(100deg,rgba(11,14,19,.96) 8%,rgba(11,14,19,.78) 44%,rgba(11,14,19,.28) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--border);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:140px;
  background:linear-gradient(180deg,rgba(11,14,19,0),var(--bg));
}
.hero__inner{position:relative;z-index:2;max-width:760px;}
.hero__badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(255,122,26,.14);border:1px solid rgba(255,122,26,.4);
  color:var(--brand);font-size:13px;font-weight:600;
}
.hero__badge i{font-size:11px;}
.hero__title{
  margin-top:22px;font-size:clamp(32px,4.4vw,60px);line-height:1.18;font-weight:900;
  letter-spacing:-.02em;
}
.hero__title em{font-style:normal;color:var(--brand);}
.hero__sub{margin-top:18px;font-size:clamp(16px,1.4vw,20px);color:var(--text-2);line-height:1.75;max-width:640px;}
.hero__cta{margin-top:32px;display:flex;gap:14px;flex-wrap:wrap;}
.hero__tags{margin-top:34px;display:flex;gap:10px;flex-wrap:wrap;}
.hero__stats{
  margin-top:38px;display:flex;gap:36px;flex-wrap:wrap;
  padding-top:24px;border-top:1px solid rgba(42,52,65,.8);max-width:620px;
}
.stat__num{font-family:"Inter","Helvetica Neue",Arial,sans-serif;font-size:26px;font-weight:800;color:var(--text);}
.stat__num span{color:var(--brand);}
.stat__label{font-size:13px;color:var(--text-3);margin-top:2px;}

/* 横滑片库 */
.shelf-wrap{position:relative;}
.shelf{
  display:flex;gap:16px;overflow-x:auto;padding:4px 4px 22px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
  scrollbar-width:thin;scrollbar-color:#2A3441 transparent;
}
.shelf::-webkit-scrollbar{height:6px;}
.shelf::-webkit-scrollbar-thumb{background:#2A3441;border-radius:99px;}
.shelf::-webkit-scrollbar-track{background:transparent;}
.shelf-card{
  flex:0 0 224px;scroll-snap-align:start;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.shelf-card:hover{transform:translateY(-6px);border-color:var(--brand);box-shadow:var(--shadow-hover);}
.shelf-card__pic{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--surface-2);}
.shelf-card__pic img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.shelf-card:hover .shelf-card__pic img{transform:scale(1.06);}
.shelf-card__tag{position:absolute;left:10px;top:10px;}
.shelf-card__body{padding:14px 14px 16px;}
.shelf-card__title{
  font-size:16px;font-weight:600;line-height:1.5;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:48px;
}
.shelf-card__meta{margin-top:10px;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--text-3);}
.shelf-card:hover .shelf-card__title{color:var(--brand);}

/* 热播推荐 */
.hot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);}
.hot-card{
  position:relative;display:block;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.hot-card:hover{transform:translateY(-6px);border-color:var(--brand);box-shadow:var(--shadow-hover);}
.hot-card--wide{grid-column:span 2;}
.hot-card__pic{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--surface-2);}
.hot-card--wide .hot-card__pic{aspect-ratio:16/7;}
.hot-card__pic img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.hot-card:hover .hot-card__pic img{transform:scale(1.05);}
.hot-card__pic::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,14,19,0) 40%,rgba(11,14,19,.85));
}
.hot-card__badges{position:absolute;left:14px;top:14px;display:flex;gap:8px;z-index:2;}
.hot-card__body{position:relative;padding:18px 20px 22px;}
.hot-card__title{font-size:19px;font-weight:600;line-height:1.45;color:var(--text);}
.hot-card:hover .hot-card__title{color:var(--brand);}
.hot-card__desc{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.hot-card__meta{margin-top:14px;display:flex;align-items:center;gap:14px;font-size:12px;color:var(--text-3);}
.hot-card--wide .hot-card__title{font-size:23px;}

/* 片单分区 */
.spotlight{display:grid;grid-template-columns:7fr 5fr;gap:var(--gap);align-items:stretch;}
.feature-card{
  position:relative;display:flex;flex-direction:column;justify-content:flex-end;
  min-height:420px;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);
  background:var(--surface-2);box-shadow:var(--shadow);
}
.feature-card__bg{position:absolute;inset:0;}
.feature-card__bg img{width:100%;height:100%;object-fit:cover;}
.feature-card__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,14,19,.15) 20%,rgba(11,14,19,.94) 88%);
}
.feature-card__body{position:relative;z-index:2;padding:32px;}
.feature-card__body h2{font-size:32px;font-weight:700;}
.feature-card__body p{margin-top:14px;color:var(--text-2);font-size:15px;max-width:520px;}
.feature-card__cta{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap;}
.list-panel{
  background:var(--surface-2);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:12px;display:flex;flex-direction:column;
}
.list-item{
  display:flex;gap:14px;align-items:center;padding:14px;border-radius:14px;
  transition:background-color .2s ease;
}
.list-item:hover{background:var(--surface-3);}
.list-item__num{
  flex:0 0 30px;font-family:"Inter",Arial,sans-serif;font-size:15px;font-weight:800;
  color:var(--text-3);text-align:center;
}
.list-item:hover .list-item__num{color:var(--brand);}
.list-item__thumb{flex:0 0 66px;width:66px;height:66px;border-radius:12px;overflow:hidden;background:var(--surface);}
.list-item__thumb img{width:100%;height:100%;object-fit:cover;}
.list-item__main{min-width:0;flex:1 1 auto;}
.list-item__title{font-size:15px;font-weight:600;color:var(--text);line-height:1.5;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.list-item:hover .list-item__title{color:var(--brand);}
.list-item__meta{margin-top:6px;font-size:12px;color:var(--text-3);display:flex;gap:12px;}

/* 最新信息 */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.news-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow);transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow-hover);}
.news-card__link{display:block;padding:22px 24px;color:inherit;}
.news-card__top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.news-card__time{font-size:12px;color:var(--text-3);}
.news-card__title{margin-top:14px;font-size:19px;font-weight:600;line-height:1.5;color:var(--text);}
.news-card:hover .news-card__title{color:var(--brand);}
.news-card__desc{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-card__more{
  margin-top:16px;display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--link);
}
.news-card:hover .news-card__more{color:var(--brand);gap:12px;}

.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 24px;
  background:var(--surface);border:1px dashed var(--border);border-radius:var(--radius);
}
.empty-state i{font-size:34px;color:var(--text-3);}
.empty-state p{margin-top:14px;color:var(--text-2);font-size:15px;}
.empty-state .btn{margin-top:20px;}

/* CTA 条 */
.cta-band{
  background:linear-gradient(100deg,#FF7A1A 0%,#E05F00 62%,#B94A00 100%);
  border-radius:var(--radius-lg);padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:0 24px 60px rgba(255,122,26,.22);
}
.cta-band h2{color:#17110A;font-size:30px;font-weight:800;}
.cta-band p{margin-top:10px;color:rgba(23,17,10,.78);font-size:15px;max-width:560px;font-weight:500;}
.cta-band .btn--dark{background:#15100B;color:#FFD9B8;box-shadow:none;}
.cta-band .btn--dark:hover{background:#241A11;color:#fff;transform:translateY(-1px);}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px;}
.faq-item{
  background:var(--surface);border:1px solid var(--border);border-radius:12px;overflow:hidden;
  transition:border-color .2s ease;
}
.faq-item[open]{border-color:rgba(255,122,26,.5);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-size:16px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:44px;
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:400;color:var(--brand);line-height:1;
  transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item[open] summary{color:var(--brand);box-shadow:inset 3px 0 0 var(--brand);}
.faq-item__answer{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--text-2);}

/* 页脚 */
.site-footer{
  margin-top:auto;background:#0A0D12;border-top:1px solid var(--border);
  padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand__mark{width:32px;height:32px;flex:0 0 32px;border-radius:10px;font-size:16px;}
.footer-brand span{font-size:16px;font-weight:700;}
.footer-text{font-size:14px;color:var(--text-2);line-height:1.85;max-width:360px;}
.footer-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:16px;letter-spacing:.04em;}
.footer-list{display:flex;flex-direction:column;gap:11px;}
.footer-list a{font-size:14px;color:var(--text-2);}
.footer-list a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(42,52,65,.7);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-2);}
.footer-bottom a:hover{color:var(--brand);}
.to-top{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);
  border:1px solid var(--border);border-radius:999px;padding:8px 16px;
}
.to-top:hover{border-color:var(--brand);color:var(--brand);}

/* 响应式 */
@media (max-width:1024px){
  .sidebar{width:var(--sidebar-w-md);}
  .brand{padding:0;justify-content:center;}
  .brand__text,.nav__label,.sidebar__foot{display:none;}
  .nav{padding:18px 10px;align-items:center;}
  .nav__item{justify-content:center;padding:0;width:52px;}
  .nav__item i{font-size:17px;}
  .main{margin-left:var(--sidebar-w-md);}
  .hot-grid{grid-template-columns:repeat(2,1fr);}
  .hot-card--wide{grid-column:span 2;}
  .hot-card--wide .hot-card__pic{aspect-ratio:16/9;}
  .spotlight{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:64px 0;}
  .hero{height:auto;min-height:520px;padding:96px 0 72px;}
}
@media (max-width:768px){
  .news-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 26px;}
  .cta-band h2{font-size:24px;}
  .section__title{font-size:27px;}
}
@media (max-width:640px){
  body{font-size:16px;line-height:1.85;}
  .topbar{display:flex;}
  .sidebar{width:280px;transform:translateX(-100%);}
  .sidebar.is-open{transform:translateX(0);}
  .sidebar .brand{padding:0 20px;justify-content:flex-start;}
  .sidebar .brand__text,.sidebar .nav__label,.sidebar .sidebar__foot{display:block;}
  .nav{padding:18px 12px;align-items:stretch;}
  .nav__item{justify-content:flex-start;padding:0 14px;width:auto;height:50px;}
  .main{margin-left:0;padding-top:64px;}
  .container{padding:0 18px;}
  .section{padding:48px 0;}
  .hero{min-height:0;height:auto;padding:52px 0 48px;
    background-image:linear-gradient(180deg,rgba(11,14,19,.82) 0%,rgba(11,14,19,.96) 62%,var(--bg) 100%),url('/assets/images/backpic/back-1.webp');
  }
  .hero__title{font-size:clamp(30px,8vw,38px);}
  .hero__sub{font-size:16px;}
  .hero__stats{gap:24px;}
  .hero__cta .btn{width:100%;}
  .hot-grid{grid-template-columns:1fr;}
  .hot-card--wide{grid-column:span 1;}
  .shelf-card{flex:0 0 186px;}
  .feature-card{min-height:360px;}
  .feature-card__body{padding:24px;}
  .feature-card__body h2{font-size:25px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-band{flex-direction:column;align-items:flex-start;}
  .cta-band .btn{width:100%;}
  .list-item{padding:12px 10px;}
  .list-item__thumb{flex:0 0 56px;width:56px;height:56px;}
}

/* roulang page: article */
:root{
  --orange:#FF7A1A;
  --orange-soft:#FFB27A;
  --orange-deep:#FF4D00;
  --cyan:#14B8A6;
  --purple:#7C5CFF;
  --gold:#FFC857;
  --success:#22C55E;
  --warning:#F59E0B;
  --danger:#EF4444;
  --bg:#0B0E13;
  --surface:#141A22;
  --surface-2:#1D2530;
  --border:#2A3441;
  --text:#F4F6F8;
  --text-2:#A8B3C1;
  --text-3:#6F7A89;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-img:14px;
  --shadow:0 16px 40px rgba(0,0,0,.35);
  --shadow-hover:0 22px 56px rgba(0,0,0,.5);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Inter","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:26px 26px;
  pointer-events:none;
  z-index:0;
}
a{color:var(--orange-soft);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--orange)}
img{max-width:100%;display:block;border-radius:var(--radius-img)}
button{font-family:inherit}
input,textarea,select{font-family:inherit}
:focus-visible{outline:3px solid rgba(255,122,26,.55);outline-offset:2px;border-radius:8px}
::selection{background:rgba(255,122,26,.32);color:#fff}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;color:#fff}
p{margin:0}
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 32px;position:relative;z-index:1}

/* ============ 左侧 App Shell ============ */
.sidebar{
  position:fixed;
  top:0;bottom:0;left:0;
  width:260px;
  background:#0F141B;
  border-right:1px solid var(--border);
  padding:0 16px 20px;
  display:flex;
  flex-direction:column;
  z-index:60;
  transition:transform .28s ease,width .28s ease;
}
.sidebar__brand{
  display:flex;align-items:center;gap:10px;
  height:64px;flex:0 0 64px;
  font-size:17px;font-weight:700;color:#fff;letter-spacing:-.01em;
  border-bottom:1px solid var(--border);
}
.brand__mark{
  width:34px;height:34px;flex:0 0 34px;
  border-radius:10px;
  background:linear-gradient(135deg,var(--orange),var(--orange-deep));
  color:#0B0E13;font-weight:900;font-size:16px;
  display:grid;place-items:center;
  box-shadow:0 6px 18px rgba(255,122,26,.35);
}
.sidebar__nav{display:flex;flex-direction:column;gap:6px;margin-top:18px}
.nav__item{
  position:relative;
  display:flex;align-items:center;gap:12px;
  height:44px;padding:0 12px;
  border-radius:10px;
  color:var(--text-2);
  font-size:15px;font-weight:500;
  transition:background .2s ease,color .2s ease;
}
.nav__item i{width:20px;text-align:center;font-size:15px;flex:0 0 20px}
.nav__item:hover{background:var(--surface-2);color:var(--text)}
.nav__item.is-active{background:#202A36;color:var(--orange)}
.nav__item.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:3px;background:var(--orange);
}
.sidebar__foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--border)}

/* ============ 移动端顶部栏 ============ */
.topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:64px;
  align-items:center;justify-content:space-between;
  padding:0 16px;
  background:rgba(15,20,27,.97);
  border-bottom:1px solid var(--border);
  z-index:70;
}
.topbar__brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:#fff}
.topbar__btn{
  width:44px;height:44px;border-radius:10px;
  border:1px solid var(--border);background:var(--surface);color:var(--text);
  font-size:17px;cursor:pointer;transition:.2s ease;
}
.topbar__btn:hover{border-color:var(--orange);color:var(--orange)}
.scrim{
  position:fixed;inset:0;background:rgba(0,0,0,.6);
  opacity:0;visibility:hidden;transition:opacity .25s ease;
  z-index:55;
}
.scrim.is-open{opacity:1;visibility:visible}

/* ============ 主区域 ============ */
.main{margin-left:260px;padding:36px 0 0;position:relative;z-index:1}
.site-footer{margin-left:260px}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;align-items:center;gap:10px;
  font-size:14px;color:var(--text-3);
  padding:6px 0 0;
}
.breadcrumb a{color:var(--text-2);white-space:nowrap}
.breadcrumb a:hover{color:var(--orange)}
.breadcrumb i{font-size:10px;color:var(--text-3);flex:0 0 auto}
.breadcrumb__current{color:var(--text-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:360px}

/* ============ 文章 ============ */
.article{padding:26px 0 96px}
.article__head{max-width:920px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:6px;
  font-size:13px;font-weight:600;line-height:1.6;
  background:rgba(255,122,26,.14);
  color:var(--orange);
  border:1px solid rgba(255,122,26,.3);
}
.article__title{
  margin:18px 0 0;
  font-size:clamp(30px,4.2vw,50px);
  line-height:1.28;
  font-weight:800;
  color:#fff;
}
.article__meta{
  margin-top:20px;padding-bottom:22px;
  display:flex;flex-wrap:wrap;gap:10px 22px;
  font-size:14px;color:var(--text-3);
  border-bottom:1px solid var(--border);
}
.article__meta span{display:inline-flex;align-items:center;gap:7px}
.article__meta i{color:var(--orange);font-size:13px}
.article__cover{
  margin:28px 0 0;padding:0;
  border-radius:16px;overflow:hidden;
  border:1px solid var(--border);
  box-shadow:var(--shadow);
}
.article__cover img{width:100%;height:auto;max-height:420px;object-fit:cover;border-radius:0}

.article__layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 320px;
  gap:48px;
  margin-top:42px;
  align-items:start;
}
.article__main{min-width:0}
.article__aside{position:sticky;top:32px;display:flex;flex-direction:column;gap:20px}
.aside-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:16px;
  padding:20px;
  box-shadow:var(--shadow);
}
.aside-card__title{
  margin:0 0 14px;
  font-size:16px;font-weight:700;color:#fff;
  display:flex;align-items:center;gap:9px;
}
.aside-card__title i{color:var(--orange);font-size:14px}
.aside-link{
  display:flex;gap:12px;align-items:flex-start;
  padding:9px;border-radius:12px;
  transition:background .2s ease;
}
.aside-link:hover{background:var(--surface-2)}
.aside-link img{width:64px;height:48px;object-fit:cover;border-radius:8px;flex:0 0 64px}
.aside-link span{font-size:14px;line-height:1.6;color:var(--text-2)}
.aside-link:hover span{color:var(--text)}
.aside-note{font-size:13px;line-height:1.8;color:var(--text-3);margin:0}
.aside-tags{display:flex;flex-wrap:wrap;gap:8px}
.pill{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:999px;
  font-size:13px;
  color:var(--text-2);
  background:var(--surface-2);
  border:1px solid var(--border);
  transition:.2s ease;
}
.pill:hover{color:var(--orange);border-color:rgba(255,122,26,.5)}

/* ============ 正文排版 ============ */
.prose{max-width:820px}
.prose p{margin:0 0 1.25em;color:#E7EBF0;line-height:2}
.prose h2{
  margin:1.9em 0 .8em;
  padding-left:14px;
  border-left:4px solid var(--orange);
  font-size:clamp(26px,3vw,34px);
  font-weight:700;line-height:1.35;color:#fff;
}
.prose h3{margin:1.6em 0 .7em;font-size:22px;font-weight:600;line-height:1.45;color:#fff}
.prose h4{margin:1.4em 0 .6em;font-size:19px;font-weight:600;color:#fff}
.prose ul,.prose ol{margin:0 0 1.3em;padding-left:1.4em}
.prose li{margin-bottom:.6em;line-height:1.9;color:#E7EBF0}
.prose blockquote{
  margin:1.6em 0;padding:16px 22px;
  border-left:4px solid var(--orange);
  background:var(--surface);
  border-radius:0 12px 12px 0;
  color:var(--text-2);
}
.prose blockquote p{margin:0;color:var(--text-2)}
.prose img{margin:1.6em auto;border-radius:12px}
.prose figure{margin:1.6em 0}
.prose figcaption{text-align:center;color:var(--text-3);font-size:14px;margin-top:10px}
.prose a{color:var(--orange-soft);text-decoration:underline;text-underline-offset:3px}
.prose a:hover{color:var(--orange)}
.prose table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.prose th,.prose td{border:1px solid var(--border);padding:10px 14px;text-align:left;line-height:1.7}
.prose th{background:var(--surface-2);color:#fff;font-weight:600}
.prose code{background:var(--surface-2);padding:2px 6px;border-radius:6px;font-size:.92em;color:var(--orange-soft)}
.prose pre{background:#0F141B;border:1px solid var(--border);border-radius:12px;padding:18px;overflow-x:auto;margin:1.6em 0}
.prose pre code{background:none;padding:0;color:#E7EBF0}
.prose hr{border:none;border-top:1px solid var(--border);margin:2.4em 0}
.table-scroll{overflow-x:auto;margin:1.6em 0}

/* ============ 空态 ============ */
.empty-state{
  background:var(--surface);
  border:1px dashed var(--border);
  border-radius:16px;
  padding:56px 26px;
  text-align:center;
}
.empty-state i{font-size:36px;color:var(--orange);display:block;margin-bottom:16px}
.empty-state h2{font-size:24px;font-weight:700;margin-bottom:10px}
.empty-state p{color:var(--text-2);font-size:15px;max-width:520px;margin:0 auto 22px;line-height:1.85}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,background .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.btn--primary{background:var(--orange);color:#12181F}
.btn--primary:hover{background:#FF8C3A;color:#12181F;transform:translateY(-1px);box-shadow:0 0 0 3px rgba(255,122,26,.35)}
.btn--outline{background:transparent;border-color:var(--border);color:var(--text)}
.btn--outline:hover{border-color:var(--orange);color:var(--orange);transform:translateY(-1px)}
.btn--ghost{background:transparent;color:var(--orange);padding:0 6px;height:auto}
.btn--ghost:hover{text-decoration:underline}

/* ============ 相关推荐 ============ */
.related{margin-top:76px;padding-top:44px;border-top:1px solid var(--border)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:26px;flex-wrap:wrap;
}
.section-head h2{font-size:clamp(24px,3vw,32px);font-weight:700}
.section-head p{margin-top:8px;font-size:15px;color:var(--text-3)}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(255,122,26,.5);box-shadow:var(--shadow-hover)}
.card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.card__media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease}
.card:hover .card__media img{transform:scale(1.05)}
.card__body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card__title{font-size:18px;font-weight:600;line-height:1.5;color:#fff}
.card__desc{font-size:14px;color:var(--text-2);line-height:1.75}
.card__meta{margin-top:auto;display:flex;gap:14px;font-size:13px;color:var(--text-3);flex-wrap:wrap}
.badge{
  position:absolute;top:12px;left:12px;
  padding:3px 9px;border-radius:6px;
  font-size:12px;font-weight:700;line-height:1.6;
  background:var(--orange);color:#0B0E13;
}
.badge--cyan{background:var(--cyan);color:#04211D}
.badge--gold{background:var(--gold);color:#2A1E00}
.badge--purple{background:var(--purple);color:#F4F1FF}

/* ============ CTA 条 ============ */
.cta-bar{
  margin-top:72px;
  border-radius:20px;
  padding:44px 40px;
  background:linear-gradient(120deg,#FF7A1A 0%,#FF4D00 62%,#C73600 100%);
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:0 22px 56px rgba(255,77,0,.28);
}
.cta-bar h2{font-size:clamp(24px,3vw,32px);font-weight:800;color:#160C04;letter-spacing:-.02em}
.cta-bar p{margin-top:8px;font-size:15px;color:rgba(22,12,4,.78);line-height:1.8}
.cta-bar .btn--primary{background:#0B0E13;color:#FFD9BE}
.cta-bar .btn--primary:hover{background:#151A22;color:#FFE6D3;box-shadow:0 0 0 3px rgba(11,14,19,.28)}

/* ============ 页脚 ============ */
.site-footer{background:#0A0D12;border-top:1px solid var(--border);padding:56px 0 28px;margin-top:84px;position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-list a{color:var(--text-2);font-size:14px}
.footer-list a:hover{color:var(--orange)}
.footer-text{color:var(--text-3);font-size:14px;line-height:1.85;margin:0}
.footer-bottom{
  margin-top:40px;padding-top:22px;
  border-top:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.to-top{display:inline-flex;align-items:center;gap:8px;color:var(--text-2)}
.to-top:hover{color:var(--orange)}

/* ============ 返回顶部按钮 ============ */
.fab-top{
  position:fixed;right:26px;bottom:26px;
  width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--surface);border:1px solid var(--border);color:var(--orange);
  cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:.25s ease;
  z-index:65;
}
.fab-top.is-show{opacity:1;visibility:visible;transform:none}
.fab-top:hover{border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,122,26,.28)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .sidebar{width:80px;padding:0 10px 18px}
  .sidebar__brand{justify-content:center;gap:0}
  .sidebar__brand span:not(.brand__mark){display:none}
  .nav__item{justify-content:center;padding:0}
  .nav__item span{display:none}
  .main{margin-left:80px}
  .site-footer{margin-left:80px}
  .article__layout{grid-template-columns:minmax(0,1fr);gap:40px}
  .article__aside{position:static;order:2}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
  .container{padding:0 24px}
}
@media (max-width:640px){
  body{font-size:16px}
  .topbar{display:flex}
  .sidebar{width:280px;padding:0 16px 20px;transform:translateX(-100%);box-shadow:0 0 60px rgba(0,0,0,.65)}
  .sidebar.is-open{transform:none}
  .sidebar__brand{justify-content:flex-start;gap:10px}
  .sidebar__brand span:not(.brand__mark){display:inline}
  .nav__item{justify-content:flex-start;padding:0 12px}
  .nav__item span{display:inline}
  .main{margin-left:0;padding-top:88px}
  .site-footer{margin-left:0;margin-top:56px}
  .container{padding:0 18px}
  .article{padding:18px 0 64px}
  .article__title{font-size:30px}
  .article__meta{gap:8px 16px;font-size:13px}
  .prose p{font-size:16px;line-height:1.85}
  .prose h2{font-size:24px}
  .prose h3{font-size:19px}
  .card-grid{grid-template-columns:1fr;gap:18px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .breadcrumb__current{max-width:130px}
  .cta-bar{padding:30px 22px;border-radius:16px}
  .btn{width:100%}
  .cta-bar .btn{width:100%}
  .fab-top{right:16px;bottom:16px;width:44px;height:44px}
}

/* roulang page: category1 */
:root{
  --bg:#0B0E13;
  --bg-deep:#0A0D12;
  --surface:#141A22;
  --surface-2:#1D2530;
  --surface-3:#202A36;
  --nav-bg:#0F141B;
  --border:#2A3441;
  --text:#F4F6F8;
  --muted:#A8B3C1;
  --weak:#6F7A89;
  --primary:#FF7A1A;
  --primary-soft:#FFB27A;
  --primary-deep:#D65F08;
  --teal:#14B8A6;
  --violet:#7C5CFF;
  --gold:#FFC857;
  --success:#22C55E;
  --warning:#F59E0B;
  --danger:#EF4444;
  --radius-card:18px;
  --radius-img:14px;
  --radius-btn:12px;
  --radius-pill:999px;
  --radius-sm:8px;
  --shadow-card:0 16px 40px rgba(0,0,0,.35);
  --shadow-hover:0 22px 56px rgba(0,0,0,.5);
  --ring:0 0 0 3px rgba(255,122,26,.35);
  --sidebar-w:260px;
  --sidebar-w-md:80px;
  --topbar-h:64px;
  --gutter:24px;
  --font:"Inter","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:17px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:var(--primary-soft);text-decoration:none;transition:color .22s ease,background-color .22s ease,border-color .22s ease;}
a:hover{color:var(--primary);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0 0 16px;letter-spacing:-.02em;line-height:1.25;font-weight:800;}
h2{font-size:clamp(26px,3vw,38px);font-weight:700;}
h3{font-size:22px;font-weight:600;line-height:1.35;}
h4{font-size:19px;font-weight:600;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;}
::selection{background:rgba(255,122,26,.35);color:#fff;}

.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding:0 var(--gutter);
}

/* ============ 顶部栏（移动端） ============ */
.topbar{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:var(--topbar-h);
  align-items:center;
  justify-content:space-between;
  padding:0 16px;
  background:rgba(15,20,27,.96);
  border-bottom:1px solid var(--border);
  z-index:60;
  backdrop-filter:blur(6px);
}
.topbar__brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:16px;
  font-weight:700;
  letter-spacing:-.01em;
}
.topbar__btn{
  width:44px;height:44px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--surface-2);
  border:1px solid var(--border);
  border-radius:10px;
  color:var(--text);
  font-size:18px;
}
.topbar__btn:hover{color:var(--primary);border-color:var(--primary);}

/* ============ 左侧 App Shell ============ */
.sidebar{
  position:fixed;
  top:0;left:0;bottom:0;
  width:var(--sidebar-w);
  background:var(--nav-bg);
  border-right:1px solid var(--border);
  display:flex;
  flex-direction:column;
  padding:16px 14px 18px;
  z-index:70;
  transition:transform .3s ease;
}
.sidebar__brand{
  display:flex;
  align-items:center;
  gap:10px;
  height:44px;
  padding:0 8px;
  margin-bottom:22px;
  font-weight:800;
  font-size:16px;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.brand__mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:32px;height:32px;
  flex:0 0 32px;
  border-radius:10px;
  background:linear-gradient(140deg,var(--primary),#FFB347);
  color:#1A0E03;
  font-weight:900;
  font-size:16px;
  box-shadow:0 6px 18px rgba(255,122,26,.35);
}
.sidebar__nav{
  display:flex;
  flex-direction:column;
  gap:6px;
}
.nav-item{
  display:flex;
  align-items:center;
  gap:12px;
  height:44px;
  padding:0 12px;
  border-radius:10px;
  color:var(--muted);
  font-size:15px;
  font-weight:500;
  border-left:3px solid transparent;
  white-space:nowrap;
}
.nav-item i{width:18px;text-align:center;font-size:15px;flex:0 0 18px;}
.nav-item:hover{background:var(--surface-2);color:var(--text);}
.nav-item.is-active{
  background:var(--surface-3);
  border-left-color:var(--primary);
  color:var(--primary);
  font-weight:600;
}
.sidebar__foot{
  margin-top:auto;
  padding:14px 8px 0;
  border-top:1px solid var(--border);
  font-size:13px;
  color:var(--weak);
  white-space:nowrap;
}
.sidebar__foot a{color:var(--muted);}
.sidebar__foot a:hover{color:var(--primary);}
.drawer-mask{
  display:none;
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.6);
  z-index:65;
  opacity:0;
  transition:opacity .25s ease;
}
.drawer-mask.is-visible{opacity:1;}

/* ============ 主内容区 ============ */
.page-main{
  margin-left:var(--sidebar-w);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}

/* ============ 面包屑 ============ */
.crumb{
  padding:26px 0 0;
  font-size:14px;
  color:var(--weak);
}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li::after{content:"/";color:var(--border);}
.crumb li:last-child::after{content:"";}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--primary);}
.crumb span[aria-current]{color:var(--text);font-weight:600;}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;
  margin-top:22px;
  border-radius:22px;
  overflow:hidden;
  border:1px solid var(--border);
  background:#0d1219 url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  box-shadow:var(--shadow-card);
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(100deg,rgba(6,9,13,.95) 12%,rgba(10,14,20,.78) 48%,rgba(11,14,19,.35) 100%),
    radial-gradient(760px 300px at 88% 12%,rgba(255,122,26,.22),transparent 70%);
}
.cat-hero__inner{
  position:relative;
  z-index:2;
  padding:56px 48px 48px;
  max-width:780px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 12px;
  border:1px solid rgba(255,122,26,.45);
  border-radius:var(--radius-pill);
  background:rgba(255,122,26,.12);
  color:var(--primary-soft);
  font-size:13px;
  font-weight:600;
  letter-spacing:.04em;
  margin-bottom:18px;
}
.cat-hero h1{
  font-size:clamp(30px,4vw,52px);
  font-weight:900;
  margin-bottom:16px;
  letter-spacing:-.02em;
}
.cat-hero__sub{
  font-size:clamp(15px,1.5vw,18px);
  color:var(--muted);
  line-height:1.85;
  margin-bottom:26px;
  max-width:640px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:9px;
  min-height:46px;
  padding:12px 22px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:transform .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn--primary{
  background:linear-gradient(135deg,var(--primary),#FF9F4D);
  color:#1A0E03;
  box-shadow:0 12px 30px rgba(255,122,26,.3);
}
.btn--primary:hover{
  color:#1A0E03;
  transform:translateY(-1px);
  filter:brightness(1.06);
  box-shadow:0 16px 38px rgba(255,122,26,.42),var(--ring);
}
.btn--ghost{
  background:transparent;
  border-color:var(--border);
  color:var(--text);
}
.btn--ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px);}
.btn--text{
  background:transparent;
  color:var(--primary);
  padding:10px 4px;
  min-height:auto;
}
.btn--text:hover{color:var(--primary-soft);text-decoration:underline;text-underline-offset:4px;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;}

/* ============ 数据条 ============ */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:16px;
  margin:28px 0 0;
}
.stat{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:20px 22px;
  position:relative;
  overflow:hidden;
}
.stat::before{
  content:"";
  position:absolute;
  left:0;top:18px;bottom:18px;
  width:3px;
  background:linear-gradient(180deg,var(--primary),rgba(255,122,26,0));
  border-radius:3px;
}
.stat__num{
  font-size:28px;
  font-weight:800;
  letter-spacing:-.02em;
  color:var(--text);
  display:block;
  line-height:1.2;
}
.stat__num em{font-style:normal;font-size:16px;color:var(--primary);margin-left:4px;}
.stat__label{font-size:13px;color:var(--weak);margin-top:4px;display:block;}

/* ============ 板块 ============ */
.section{padding:76px 0 0;}
.section:last-of-type{padding-bottom:80px;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:26px;
  flex-wrap:wrap;
}
.section-head h2{margin-bottom:8px;}
.section-head p{color:var(--muted);font-size:15px;margin:0;}
.section-head__link{
  font-size:14px;
  font-weight:600;
  color:var(--primary);
  display:inline-flex;
  align-items:center;
  gap:8px;
  white-space:nowrap;
}
.section-head__link:hover{gap:12px;color:var(--primary-soft);}

/* ============ 筛选标签 ============ */
.filter-bar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:26px;
}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:40px;
  padding:8px 18px;
  border-radius:var(--radius-pill);
  background:var(--surface);
  border:1px solid var(--border);
  color:var(--muted);
  font-size:14px;
  font-weight:500;
  transition:all .2s ease;
}
.pill span{font-size:12px;color:var(--weak);}
.pill:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px);}
.pill.is-active{
  background:rgba(255,122,26,.14);
  border-color:var(--primary);
  color:var(--primary);
  font-weight:600;
}
.pill.is-active span{color:var(--primary-soft);}

/* ============ 片库网格 ============ */
.lib-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:22px;
}
.lib-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.lib-card:hover{
  transform:translateY(-5px);
  border-color:rgba(255,122,26,.6);
  box-shadow:var(--shadow-hover);
}
.lib-card__link{display:block;color:inherit;}
.lib-card__link:hover{color:inherit;}
.lib-card__media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--surface-2);
}
.lib-card__media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.lib-card:hover .lib-card__media img{transform:scale(1.05);}
.lib-card__media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(11,14,19,0) 45%,rgba(11,14,19,.72) 100%);
}
.badge{
  position:absolute;
  top:12px;left:12px;
  z-index:2;
  padding:5px 10px;
  border-radius:var(--radius-sm);
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
}
.badge--orange{background:var(--primary);color:#1A0E03;}
.badge--teal{background:var(--teal);color:#04211d;}
.badge--gold{background:var(--gold);color:#2b1f04;}
.badge--violet{background:var(--violet);color:#f2efff;}
.lib-card__body{padding:18px 18px 20px;}
.lib-card__title{
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  margin-bottom:10px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.lib-card__desc{
  font-size:14px;
  color:var(--muted);
  line-height:1.75;
  margin-bottom:14px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.lib-card__meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:13px;
  color:var(--weak);
  border-top:1px solid var(--border);
  padding-top:12px;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 10px;
  border-radius:var(--radius-sm);
  background:var(--surface-2);
  border:1px solid var(--border);
  color:var(--muted);
  font-size:12px;
  font-weight:500;
}
.tag--teal{color:var(--teal);border-color:rgba(20,184,166,.4);background:rgba(20,184,166,.1);}
.tag--gold{color:var(--gold);border-color:rgba(255,200,87,.4);background:rgba(255,200,87,.1);}
.tag--violet{color:#B7A5FF;border-color:rgba(124,92,255,.4);background:rgba(124,92,255,.12);}

/* ============ 说明块 ============ */
.note-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
}
.note-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:26px 24px;
  position:relative;
}
.note-card__icon{
  width:44px;height:44px;
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,122,26,.12);
  border:1px solid rgba(255,122,26,.35);
  color:var(--primary);
  font-size:18px;
  margin-bottom:16px;
}
.note-card h3{font-size:19px;margin-bottom:10px;}
.note-card p{font-size:14.5px;color:var(--muted);line-height:1.8;margin:0;}
.note-card ul li{
  font-size:14.5px;
  color:var(--muted);
  padding-left:18px;
  position:relative;
  margin-bottom:8px;
}
.note-card ul li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:6px;height:6px;
  border-radius:2px;
  background:var(--primary);
}

/* ============ 流程/时间轴说明 ============ */
.flow{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
  counter-reset:flow;
}
.flow-step{
  background:linear-gradient(180deg,var(--surface),rgba(20,26,34,.7));
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:24px 22px;
  position:relative;
}
.flow-step__num{
  font-size:13px;
  font-weight:800;
  color:var(--primary);
  letter-spacing:.12em;
  margin-bottom:12px;
  display:block;
}
.flow-step h3{font-size:17px;margin-bottom:8px;}
.flow-step p{font-size:14px;color:var(--muted);line-height:1.75;}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:960px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:12px;
  overflow:hidden;
  transition:border-color .2s ease;
}
.faq-item[open]{border-color:rgba(255,122,26,.5);border-left:3px solid var(--primary);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:16px 20px;
  min-height:44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  font-size:20px;
  font-weight:400;
  color:var(--primary);
  transition:transform .25s ease;
  flex:0 0 auto;
}
.faq-item[open] summary::after{content:"−";}
.faq-item summary:hover{color:var(--primary);}
.faq-body{
  padding:0 20px 20px;
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
}

/* ============ 底部 CTA ============ */
.cta-band{
  margin-top:76px;
  border-radius:22px;
  padding:48px 48px;
  background:linear-gradient(115deg,#FF7A1A 0%,#FF9A3C 42%,#E0660B 100%);
  color:#1A0E03;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
  box-shadow:0 24px 60px rgba(255,122,26,.28);
}
.cta-band h2{color:#1A0E03;margin-bottom:8px;font-weight:800;}
.cta-band p{color:rgba(26,14,3,.78);font-size:15px;margin:0;max-width:560px;}
.cta-band .btn--dark{
  background:#0B0E13;
  color:#FFD3AC;
  border-color:transparent;
}
.cta-band .btn--dark:hover{background:#161c25;color:#fff;transform:translateY(-1px);box-shadow:0 12px 30px rgba(0,0,0,.35);}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:0;
  background:var(--bg-deep);
  border-top:1px solid var(--border);
  padding:56px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.4fr;
  gap:36px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:16px;
  margin-bottom:14px;
}
.footer-text{
  font-size:14px;
  color:var(--muted);
  line-height:1.8;
  margin:0;
}
.footer-title{
  font-size:14px;
  font-weight:700;
  color:var(--text);
  margin-bottom:14px;
  letter-spacing:.02em;
}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-list a{color:var(--muted);font-size:14px;}
.footer-list a:hover{color:var(--primary);}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid var(--border);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--weak);
}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--muted);
  font-size:13px;
}
.to-top:hover{color:var(--primary);}

/* ============ 空态 ============ */
.empty-state{
  display:none;
  text-align:center;
  padding:48px 24px;
  border:1px dashed var(--border);
  border-radius:var(--radius-card);
  background:var(--surface);
  color:var(--muted);
}
.empty-state.is-visible{display:block;}
.empty-state i{font-size:28px;color:var(--primary);margin-bottom:14px;display:block;}
.empty-state p{font-size:15px;margin-bottom:18px;}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .lib-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
}
@media (max-width:1024px){
  .sidebar{width:var(--sidebar-w-md);padding:16px 10px 18px;align-items:center;}
  .sidebar__brand{justify-content:center;padding:0;margin-bottom:18px;}
  .sidebar__brand span:not(.brand__mark){display:none;}
  .nav-item{justify-content:center;padding:0;width:52px;border-left:0;border-radius:12px;}
  .nav-item span{display:none;}
  .nav-item.is-active{background:var(--surface-3);}
  .sidebar__foot{display:none;}
  .page-main{margin-left:var(--sidebar-w-md);}
  .lib-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .note-grid{grid-template-columns:1fr 1fr;}
  .flow{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cat-hero__inner{padding:44px 32px 40px;}
  .cta-band{padding:38px 32px;}
}
@media (max-width:640px){
  body{font-size:16px;line-height:1.85;}
  .topbar{display:flex;}
  .sidebar{
    width:280px;
    align-items:stretch;
    padding:18px 16px;
    transform:translateX(-100%);
    box-shadow:0 0 60px rgba(0,0,0,.6);
  }
  .sidebar.is-open{transform:translateX(0);}
  .sidebar__brand{justify-content:flex-start;padding:0 6px;margin-bottom:20px;}
  .sidebar__brand span:not(.brand__mark){display:inline;}
  .nav-item{justify-content:flex-start;padding:0 12px;width:auto;}
  .nav-item span{display:inline;}
  .sidebar__foot{display:block;}
  .page-main{margin-left:0;padding-top:var(--topbar-h);}
  .container{padding:0 16px;}
  .crumb{padding-top:18px;}
  .cat-hero{border-radius:18px;margin-top:16px;}
  .cat-hero__inner{padding:34px 22px 32px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1 1 100%;}
  .section{padding-top:52px;}
  .section:last-of-type{padding-bottom:56px;}
  .lib-grid{grid-template-columns:1fr;gap:16px;}
  .stat-strip{grid-template-columns:1fr 1fr;gap:12px;}
  .stat{padding:16px;}
  .stat__num{font-size:22px;}
  .note-grid{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;}
  .filter-bar{gap:8px;}
  .pill{padding:7px 14px;font-size:13px;}
  .cta-band{margin-top:52px;padding:30px 22px;border-radius:18px;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category2 */
:root{
  --orange:#FF7A1A;
  --orange-soft:#FFB27A;
  --orange-deep:#D95F0A;
  --teal:#14B8A6;
  --violet:#7C5CFF;
  --gold:#FFC857;
  --bg:#0B0E13;
  --surface:#141A22;
  --surface-2:#1D2530;
  --surface-3:#202A36;
  --border:#2A3441;
  --text:#F4F6F8;
  --text-2:#A8B3C1;
  --text-3:#6F7A89;
  --success:#22C55E;
  --warn:#F59E0B;
  --danger:#EF4444;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow:0 16px 40px rgba(0,0,0,.35);
  --shadow-hover:0 22px 56px rgba(0,0,0,.5);
  --sidebar-w:260px;
  --sidebar-w-md:80px;
  --topbar-h:64px;
  --section-gap:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",Inter,sans-serif;
  font-size:17px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--orange-soft);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--orange);}
h1,h2,h3,h4{color:var(--text);letter-spacing:-.02em;margin:0;line-height:1.3;font-weight:700;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px;border-radius:6px;}
::selection{background:rgba(255,122,26,.35);color:#fff;}

/* ---------- 通用容器 ---------- */
.container{width:100%;max-width:1280px;margin:0 auto;padding:0 28px;}
.section{padding:var(--section-gap) 0;}
.section--tight{padding:56px 0;}
.section--surface{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-head h2{font-size:34px;font-weight:700;}
.section-head p{color:var(--text-2);font-size:15px;margin:8px 0 0;max-width:640px;}
.section-link{font-size:15px;font-weight:600;color:var(--orange);white-space:nowrap;}
.section-link i{margin-left:6px;font-size:12px;transition:transform .2s ease;}
.section-link:hover i{transform:translateX(4px);}

/* ---------- 顶部栏（移动端） ---------- */
.topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:var(--topbar-h);
  background:#0F141B;border-bottom:1px solid var(--border);
  align-items:center;justify-content:space-between;padding:0 16px;z-index:90;
}
.topbar__brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--text);}
.topbar__btn{
  width:44px;height:44px;border-radius:var(--radius-btn);
  background:var(--surface-2);border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  transition:background-color .2s ease,border-color .2s ease,color .2s ease;
}
.topbar__btn:hover{background:var(--surface-3);border-color:var(--orange);color:var(--orange);}
.brand__mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--orange),var(--orange-deep));
  color:#150B02;font-weight:900;font-size:17px;letter-spacing:0;
}

/* ---------- 左侧 App Shell ---------- */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:#0F141B;border-right:1px solid var(--border);
  display:flex;flex-direction:column;z-index:80;padding:0 14px;
}
.sidebar__brand{
  height:64px;display:flex;align-items:center;gap:10px;
  font-weight:700;font-size:16px;color:var(--text);
  border-bottom:1px solid var(--border);margin:0 -14px 18px;padding:0 18px;
  white-space:nowrap;overflow:hidden;
}
.sidebar__nav{display:flex;flex-direction:column;gap:6px;flex:1 1 auto;}
.nav-item{
  display:flex;align-items:center;gap:12px;height:44px;padding:0 12px;
  border-radius:10px;color:var(--text-2);font-size:15px;font-weight:500;
  position:relative;white-space:nowrap;overflow:hidden;
  transition:background-color .2s ease,color .2s ease;
}
.nav-item i{width:20px;text-align:center;font-size:15px;flex:0 0 auto;}
.nav-item:hover{background:var(--surface-2);color:var(--text);}
.nav-item.is-active{background:var(--surface-3);color:var(--orange);font-weight:600;}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:0 3px 3px 0;background:var(--orange);
}
.sidebar__foot{padding:16px 0 22px;border-top:1px solid var(--border);margin:0 -14px;padding-left:14px;padding-right:14px;}
.sidebar__foot .to-top{
  display:flex;align-items:center;gap:12px;height:44px;padding:0 12px;
  border-radius:10px;color:var(--text-3);font-size:14px;
}
.sidebar__foot .to-top i{width:20px;text-align:center;}
.sidebar__foot .to-top:hover{background:var(--surface-2);color:var(--orange);}
.drawer-mask{
  display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);
  z-index:85;opacity:0;transition:opacity .25s ease;
}
.drawer-mask.is-open{display:block;opacity:1;}

/* ---------- 主内容区 ---------- */
.main{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column;}
.main > .page-body{flex:1 1 auto;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:12px 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn i{font-size:14px;}
.btn--primary{background:var(--orange);color:#17100A;}
.btn--primary:hover{background:#FF8B33;color:#17100A;transform:translateY(-1px);box-shadow:0 0 0 3px rgba(255,122,26,.35),var(--shadow);}
.btn--outline{background:transparent;border-color:var(--border);color:var(--text);}
.btn--outline:hover{border-color:var(--orange);color:var(--orange);background:rgba(255,122,26,.06);}
.btn--ghost{background:transparent;color:var(--orange);padding-left:6px;padding-right:6px;min-height:40px;}
.btn--ghost:hover{color:#FFA15C;text-decoration:underline;}
.btn--dark{background:#17100A;color:var(--orange-soft);}
.btn--dark:hover{background:#241708;color:#FFC08A;transform:translateY(-1px);}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:14px;color:var(--text-3);padding:22px 0 0;
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--orange);}
.breadcrumb span[aria-current]{color:var(--text);}

/* ---------- 页面头部 ---------- */
.page-head{
  position:relative;padding:34px 0 56px;
  background-image:linear-gradient(100deg,rgba(11,14,19,.94) 8%,rgba(11,14,19,.72) 52%,rgba(11,14,19,.5) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center right;
  border-bottom:1px solid var(--border);
}
.page-head::after{
  content:"";position:absolute;inset:auto 0 0 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,122,26,.5),transparent);
}
.page-head__inner{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:40px;align-items:end;margin-top:26px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--orange);background:rgba(255,122,26,.12);
  border:1px solid rgba(255,122,26,.32);border-radius:var(--radius-pill);
  padding:5px 14px;margin-bottom:18px;letter-spacing:.06em;
}
.eyebrow i{font-size:11px;}
.page-head h1{
  font-size:52px;font-weight:900;letter-spacing:-.02em;line-height:1.16;
  max-width:760px;
}
.page-head h1 em{font-style:normal;color:var(--orange);}
.page-head__sub{color:var(--text-2);font-size:17px;max-width:640px;margin:18px 0 26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.page-head__card{
  background:rgba(20,26,34,.88);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow);
}
.page-head__card .phc-title{font-size:14px;color:var(--text-3);letter-spacing:.08em;margin-bottom:14px;}
.phc-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px dashed var(--border);}
.phc-row:last-child{border-bottom:0;}
.phc-row span:first-child{color:var(--text-2);font-size:14px;}
.phc-row span:last-child{font-weight:700;font-size:16px;color:var(--gold);font-variant-numeric:tabular-nums;}

/* ---------- 榜单主体：时间轴 + 侧栏 ---------- */
.rank-layout{display:grid;grid-template-columns:minmax(0,1fr) 356px;gap:36px;align-items:start;}
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:12px;top:14px;bottom:14px;width:1px;background:var(--border);
}
.tl-item{
  position:relative;display:grid;grid-template-columns:104px minmax(0,1fr);gap:18px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);
  padding:18px;margin-bottom:16px;color:var(--text);
  transition:background-color .25s ease,border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.tl-item:hover{background:var(--surface-2);border-color:rgba(255,122,26,.55);transform:translateY(-2px);box-shadow:var(--shadow-hover);color:var(--text);}
.tl-item::before{
  content:"";position:absolute;left:-27px;top:34px;width:10px;height:10px;border-radius:50%;
  background:var(--orange);box-shadow:0 0 0 4px rgba(255,122,26,.16);
}
.tl-thumb{border-radius:12px;overflow:hidden;border:1px solid var(--border);aspect-ratio:16/10;background:var(--surface-2);}
.tl-thumb img{width:100%;height:100%;object-fit:cover;}
.tl-head{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-bottom:8px;}
.rank-no{
  display:inline-flex;align-items:center;justify-content:center;min-width:32px;height:24px;
  border-radius:7px;background:rgba(255,122,26,.14);border:1px solid rgba(255,122,26,.4);
  color:var(--orange);font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;
}
.tl-head h3{font-size:20px;font-weight:600;}
.tl-desc{color:var(--text-2);font-size:15px;line-height:1.85;margin:0 0 12px;}
.tl-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--text-3);}
.tl-meta i{margin-right:5px;font-size:12px;}

.badge{
  display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;
  padding:3px 9px;border-radius:7px;letter-spacing:.02em;
}
.badge--hot{background:rgba(255,122,26,.15);color:var(--orange);border:1px solid rgba(255,122,26,.35);}
.badge--new{background:rgba(20,184,166,.14);color:var(--teal);border:1px solid rgba(20,184,166,.34);}
.badge--rise{background:rgba(255,200,87,.14);color:var(--gold);border:1px solid rgba(255,200,87,.32);}
.badge--soft{background:var(--surface-2);color:var(--text-2);border:1px solid var(--border);}

/* ---------- 侧栏面板 ---------- */
.side-panel{position:sticky;top:26px;display:flex;flex-direction:column;gap:22px;}
.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-card);padding:22px;box-shadow:var(--shadow);}
.panel__title{font-size:16px;font-weight:700;margin-bottom:6px;}
.panel__hint{font-size:13px;color:var(--text-3);margin-bottom:16px;}
.pick{
  display:grid;grid-template-columns:72px minmax(0,1fr);gap:12px;align-items:center;
  padding:10px;border-radius:12px;border:1px solid transparent;color:var(--text);
  transition:background-color .2s ease,border-color .2s ease;
}
.pick + .pick{margin-top:6px;}
.pick:hover{background:var(--surface-2);border-color:var(--border);color:var(--text);}
.pick img{width:72px;height:48px;object-fit:cover;border-radius:9px;border:1px solid var(--border);}
.pick strong{display:block;font-size:14px;font-weight:600;}
.pick span{font-size:12px;color:var(--text-3);}
.panel__list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 0;border-bottom:1px dashed var(--border);font-size:14px;
}
.panel__list li:last-child{border-bottom:0;}
.panel__list a{color:var(--text-2);}
.panel__list a:hover{color:var(--orange);}
.panel__list em{font-style:normal;font-size:12px;color:var(--text-3);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{
  font-size:13px;color:var(--text-2);background:var(--surface-2);
  border:1px solid var(--border);border-radius:var(--radius-pill);padding:5px 13px;
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.tag:hover{color:var(--orange);border-color:rgba(255,122,26,.5);background:rgba(255,122,26,.08);}

/* ---------- 数据卡 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.stat{
  background:var(--surface);border:1px solid var(--border);border-radius:16px;
  padding:22px;position:relative;overflow:hidden;
}
.stat::after{content:"";position:absolute;right:-30px;top:-30px;width:90px;height:90px;border-radius:50%;background:radial-gradient(circle,rgba(255,122,26,.18),transparent 70%);}
.stat__num{font-size:34px;font-weight:900;color:var(--text);font-variant-numeric:tabular-nums;letter-spacing:-.02em;}
.stat__num small{font-size:15px;font-weight:600;color:var(--text-3);margin-left:4px;}
.stat__label{font-size:14px;color:var(--text-2);margin-top:6px;}
.stat__note{font-size:12px;color:var(--text-3);margin-top:10px;padding-top:10px;border-top:1px dashed var(--border);}

/* ---------- 品类榜单卡 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.cat-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-card);overflow:hidden;color:var(--text);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.cat-card:hover{transform:translateY(-4px);border-color:rgba(255,122,26,.55);box-shadow:var(--shadow-hover);color:var(--text);}
.cat-card__media{aspect-ratio:16/9;overflow:hidden;background:var(--surface-2);}
.cat-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.cat-card:hover .cat-card__media img{transform:scale(1.05);}
.cat-card__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.cat-card__body h3{font-size:19px;font-weight:600;}
.cat-card__body p{color:var(--text-2);font-size:14px;line-height:1.85;}
.cat-card__foot{margin-top:auto;padding-top:12px;font-size:13px;color:var(--orange);font-weight:600;}
.cat-card__foot i{margin-left:6px;font-size:11px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.faq-item{
  background:var(--surface);border:1px solid var(--border);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease;
}
.faq-item:hover{border-color:rgba(255,122,26,.4);}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-size:16px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  transition:box-shadow .2s ease,color .2s ease;min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";color:var(--orange);font-size:20px;line-height:1;transition:transform .25s ease;}
.faq-item[open] summary{box-shadow:inset 3px 0 0 var(--orange);color:var(--orange-soft);}
.faq-item[open] summary::after{content:"−";}
.faq-item__body{padding:0 22px 20px;color:var(--text-2);font-size:15px;line-height:1.85;}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:linear-gradient(118deg,#FF8B33 0%,#FF7A1A 42%,#C9550A 100%);
  border-radius:22px;padding:44px 46px;display:flex;align-items:center;
  justify-content:space-between;gap:30px;flex-wrap:wrap;color:#1A0F04;
  box-shadow:0 20px 50px rgba(255,122,26,.22);
}
.cta-band h2{font-size:30px;color:#1A0F04;font-weight:800;letter-spacing:-.02em;}
.cta-band p{color:rgba(26,15,4,.78);font-size:15px;margin:10px 0 0;max-width:620px;}
.cta-band .cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0A0D12;border-top:1px solid var(--border);padding:64px 0 28px;margin-top:var(--section-gap);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--text);margin-bottom:16px;}
.footer-title{font-size:15px;font-weight:700;color:var(--text);margin-bottom:14px;}
.footer-text{color:var(--text-3);font-size:14px;line-height:1.85;}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-list a{color:var(--text-2);font-size:14px;}
.footer-list a:hover{color:var(--orange);}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--text-3);font-size:13px;
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;color:var(--text-2);font-size:13px;
  border:1px solid var(--border);border-radius:var(--radius-pill);padding:8px 16px;
  transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.to-top:hover{color:var(--orange);border-color:rgba(255,122,26,.55);background:rgba(255,122,26,.08);}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .page-head__inner{grid-template-columns:1fr;}
  .page-head__card{max-width:520px;}
  .rank-layout{grid-template-columns:minmax(0,1fr) 320px;}
}
@media (max-width:1024px){
  .sidebar{width:var(--sidebar-w-md);padding:0 10px;}
  .sidebar__brand{margin:0 -10px 18px;padding:0 12px;justify-content:center;}
  .sidebar__brand .brand__text,
  .sidebar .nav-label{display:none;}
  .nav-item{justify-content:center;padding:0;}
  .nav-item i{width:auto;font-size:17px;}
  .sidebar__foot{padding-left:10px;padding-right:10px;}
  .sidebar__foot .to-top{justify-content:center;padding:0;}
  .main{margin-left:var(--sidebar-w-md);}
  .rank-layout{grid-template-columns:minmax(0,1fr);}
  .side-panel{position:static;}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;}
  :root{--section-gap:64px;}
  .page-head h1{font-size:40px;}
  .section-head h2{font-size:28px;}
}
@media (max-width:640px){
  :root{--section-gap:48px;}
  body{font-size:16px;line-height:1.85;}
  .topbar{display:flex;}
  .sidebar{
    width:280px;padding:0 14px;transform:translateX(-100%);
    transition:transform .28s ease;box-shadow:0 0 60px rgba(0,0,0,.6);
  }
  .sidebar.is-open{transform:translateX(0);}
  .sidebar__brand{justify-content:flex-start;padding:0 18px;}
  .sidebar__brand .brand__text{display:inline;}
  .sidebar .nav-label{display:inline;}
  .nav-item{justify-content:flex-start;padding:0 14px;height:48px;font-size:16px;}
  .nav-item i{width:22px;font-size:16px;}
  .sidebar__foot .to-top{justify-content:flex-start;padding:0 14px;}
  .main{margin-left:0;padding-top:var(--topbar-h);}
  .container{padding:0 18px;}
  .page-head{padding:22px 0 40px;}
  .page-head h1{font-size:32px;}
  .page-head__sub{font-size:15px;}
  .page-head__card{padding:18px;}
  .tl-item{grid-template-columns:1fr;gap:14px;padding:16px;}
  .tl-item::before{left:-25px;top:26px;}
  .timeline{padding-left:26px;}
  .timeline::before{left:8px;}
  .tl-thumb{aspect-ratio:16/9;}
  .tl-head h3{font-size:18px;}
  .stat-grid{grid-template-columns:1fr;}
  .cat-grid{grid-template-columns:1fr;}
  .cta-band{padding:30px 24px;border-radius:18px;}
  .cta-band h2{font-size:24px;}
  .hero-actions .btn{width:100%;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
}

/* roulang page: category3 */
:root{
  --orange:#FF7A1A;
  --orange-2:#FFB27A;
  --orange-deep:#D95F0A;
  --teal:#14B8A6;
  --purple:#7C5CFF;
  --gold:#FFC857;
  --bg:#0B0E13;
  --surface:#141A22;
  --surface-2:#1D2530;
  --surface-3:#202A36;
  --sidebar-bg:#0F141B;
  --line:#2A3441;
  --text:#F4F6F8;
  --text-2:#A8B3C1;
  --text-3:#6F7A89;
  --ok:#22C55E;
  --warn:#F59E0B;
  --err:#EF4444;
  --r-card:18px;
  --r-btn:12px;
  --r-pill:999px;
  --sh-card:0 16px 40px rgba(0,0,0,.35);
  --sh-card-hover:0 22px 56px rgba(0,0,0,.5);
  --sidebar-w:260px;
  --gap-section:80px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--text);line-height:1.32;letter-spacing:-.02em;}
p{margin:0;}
img{max-width:100%;height:auto;display:block;}
a{color:var(--orange-2);text-decoration:none;transition:color .18s ease;}
a:hover,a:focus{color:var(--orange);}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;}
::selection{background:rgba(255,122,26,.35);color:#fff;}

/* ============ 布局容器 ============ */
.container{width:100%;max-width:1320px;margin:0 auto;padding:0 32px;}
.main{margin-left:var(--sidebar-w);min-height:100vh;}

/* ============ 左侧 App Shell ============ */
.sidebar{
  position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-w);
  background:var(--sidebar-bg);border-right:1px solid var(--line);
  display:flex;flex-direction:column;padding:16px 14px 18px;z-index:60;
}
.sidebar__logo{
  display:flex;align-items:center;gap:10px;height:52px;padding:0 10px;
  border-radius:12px;color:var(--text);font-weight:700;font-size:17px;letter-spacing:-.01em;
}
.sidebar__logo:hover{color:var(--text);background:var(--surface-2);}
.brand__mark{
  width:34px;height:34px;flex:0 0 auto;border-radius:10px;
  background:linear-gradient(135deg,#FF9A3C,#FF7A1A 60%,#E8640D);
  color:#161C24;font-weight:900;font-size:17px;display:grid;place-items:center;
  box-shadow:0 6px 18px rgba(255,122,26,.35);
}
.sidebar__nav{display:flex;flex-direction:column;gap:4px;margin-top:20px;}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;height:44px;padding:0 12px;
  border-radius:10px;color:var(--text-2);font-size:15px;transition:background .18s ease,color .18s ease;
}
.nav-item i{width:18px;text-align:center;font-size:15px;color:var(--text-3);transition:color .18s ease;}
.nav-item:hover{background:var(--surface-2);color:var(--text);}
.nav-item:hover i{color:var(--orange);}
.nav-item.is-active{background:var(--surface-3);color:var(--orange);font-weight:600;}
.nav-item.is-active i{color:var(--orange);}
.nav-item.is-active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:2px;background:var(--orange);
}
.side-search{
  display:flex;align-items:center;gap:8px;margin-top:auto;margin-bottom:10px;
  background:#0B1017;border:1px solid var(--line);border-radius:10px;padding:0 12px;height:42px;
}
.side-search i{color:var(--text-3);font-size:14px;}
.side-search input{
  flex:1;background:transparent;border:0;outline:none;color:var(--text);font-size:14px;
  font-family:inherit;min-width:0;
}
.side-search input::placeholder{color:var(--text-3);}
.side-search:focus-within{border-color:var(--orange);box-shadow:0 0 0 3px rgba(255,122,26,.25);}
.sidebar__foot{border-top:1px solid var(--line);padding-top:12px;margin-top:auto;}
.sidebar__top{
  display:flex;align-items:center;gap:12px;height:44px;padding:0 12px;border-radius:10px;
  color:var(--text-2);font-size:15px;
}
.sidebar__top i{width:18px;text-align:center;color:var(--text-3);}
.sidebar__top:hover{background:var(--surface-2);color:var(--orange);}
.sidebar__top:hover i{color:var(--orange);}

/* ============ 移动端顶部栏 ============ */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:64px;z-index:70;
  align-items:center;justify-content:space-between;padding:0 16px;
  background:rgba(11,14,19,.96);border-bottom:1px solid var(--line);
  backdrop-filter:blur(8px);
}
.topbar__brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;color:var(--text);}
.topbar__brand span:last-child{white-space:nowrap;}
.topbar__btn{
  width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:var(--surface-2);color:var(--text);cursor:pointer;display:grid;place-items:center;
  transition:border-color .18s ease,color .18s ease;
}
.topbar__btn:hover{border-color:var(--orange);color:var(--orange);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:65;
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;
}
.drawer-mask.is-visible{opacity:1;visibility:visible;}

/* ============ 面包屑 ============ */
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:30px 0 20px;font-size:14px;color:var(--text-3);
}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--orange);}
.crumbs .sep{color:#3A4553;}
.crumbs .current{color:var(--orange);}

/* ============ 专题大图 ============ */
.feature{
  position:relative;border-radius:22px;overflow:hidden;min-height:440px;
  display:flex;align-items:flex-end;
  background:#0F141B url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  border:1px solid var(--line);
}
.feature::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(100deg,rgba(11,14,19,.95) 0%,rgba(11,14,19,.8) 44%,rgba(11,14,19,.34) 100%),
    linear-gradient(0deg,rgba(11,14,19,.92) 0%,rgba(11,14,19,0) 58%);
}
.feature__inner{position:relative;z-index:2;padding:52px 48px;max-width:760px;}
.feature__badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.feature__title{
  font-size:clamp(32px,3.4vw,50px);font-weight:900;letter-spacing:-.02em;line-height:1.22;
  margin-bottom:16px;
}
.feature__title .accent{color:var(--orange);}
.feature__sub{font-size:17px;color:var(--text-2);line-height:1.85;margin-bottom:26px;}
.feature__actions{display:flex;flex-wrap:wrap;gap:14px;}
.feature__tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.feature__tags span{
  font-size:13px;color:var(--text-2);border:1px solid var(--line);background:rgba(20,26,34,.72);
  padding:6px 12px;border-radius:var(--r-pill);
}

/* ============ 徽章与按钮 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;
  border-radius:8px;font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.badge--hot{background:rgba(255,122,26,.16);color:var(--orange-2);border:1px solid rgba(255,122,26,.35);}
.badge--new{background:rgba(20,184,166,.14);color:#5EEAD4;border:1px solid rgba(20,184,166,.32);}
.badge--gold{background:rgba(255,200,87,.14);color:var(--gold);border:1px solid rgba(255,200,87,.32);}
.badge--muted{background:rgba(168,179,193,.1);color:var(--text-2);border:1px solid var(--line);}
.badge .pulse{
  width:7px;height:7px;border-radius:50%;background:var(--err);
  box-shadow:0 0 0 4px rgba(239,68,68,.16);
}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn--primary{background:var(--orange);color:#161C24;box-shadow:0 10px 26px rgba(255,122,26,.28);}
.btn--primary:hover{background:#FF8B36;color:#161C24;transform:translateY(-1px);box-shadow:0 0 0 3px rgba(255,122,26,.35),0 14px 30px rgba(255,122,26,.32);}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--text);}
.btn--ghost:hover{border-color:var(--orange);color:var(--orange);background:rgba(255,122,26,.06);}
.btn--dark{background:#141A22;color:#F4F6F8;border-color:rgba(20,26,34,.6);}
.btn--dark:hover{background:#0B0E13;color:#fff;transform:translateY(-1px);}
.btn--link{background:transparent;color:var(--orange-2);padding:8px 4px;min-height:auto;}
.btn--link:hover{color:var(--orange);text-decoration:underline;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;}

/* ============ 信息条 ============ */
.strip{padding:28px 0 0;border-bottom:1px solid var(--line);margin-top:28px;padding-bottom:28px;}
.strip__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.info-card{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--orange);
  border-radius:14px;padding:18px 20px;transition:background .2s ease,border-color .2s ease;
}
.info-card:hover{background:var(--surface-2);border-color:rgba(255,122,26,.5);border-left-color:var(--orange);}
.info-card i{font-size:17px;color:var(--orange);margin-top:5px;}
.info-card h3{font-size:16.5px;font-weight:600;margin-bottom:6px;}
.info-card p{font-size:14px;color:var(--text-2);line-height:1.8;}

/* ============ 板块通用 ============ */
.section{padding:72px 0;}
.section--tight{padding-top:0;}
.section-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:18px;margin-bottom:28px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--orange);letter-spacing:.08em;margin-bottom:10px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--orange);border-radius:2px;}
.section-title{font-size:clamp(26px,2.4vw,34px);font-weight:700;}
.section-title--sm{font-size:24px;}
.section-sub{font-size:15px;color:var(--text-3);margin-top:8px;}

/* ============ 卡片 ============ */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;}
.card{
  display:flex;flex-direction:column;height:100%;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(255,122,26,.6);box-shadow:var(--sh-card-hover);}
.card__cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:#0F141B;}
.card__cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card:hover .card__cover img{transform:scale(1.05);}
.card__flag{position:absolute;top:12px;left:12px;}
.card__body{display:flex;flex-direction:column;gap:10px;padding:18px 20px 22px;flex:1;}
.card__title{font-size:19px;font-weight:600;line-height:1.5;}
.card__desc{
  font-size:14.5px;color:var(--text-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card__meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:auto;padding-top:8px;font-size:13px;color:var(--text-3);}
.card__meta i{color:var(--text-3);margin-right:5px;}

/* ============ 侧栏推荐卡 ============ */
.side-list{display:flex;flex-direction:column;gap:14px;}
.side-card{
  display:flex;gap:14px;align-items:flex-start;padding:14px;
  background:var(--surface);border:1px solid var(--line);border-radius:16px;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.side-card:hover{background:var(--surface-2);border-color:rgba(255,122,26,.55);transform:translateX(2px);}
.side-card__thumb{width:96px;height:64px;flex:0 0 auto;border-radius:10px;object-fit:cover;background:#0F141B;}
.side-card__title{font-size:15.5px;font-weight:600;line-height:1.55;color:var(--text);margin-bottom:6px;}
.side-card__meta{font-size:12.5px;color:var(--text-3);}

/* ============ 状态面板 ============ */
.status-panel{
  margin-top:22px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-card);
}
.status-panel__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px;}
.status-panel__head h3{font-size:17px;font-weight:600;}
.status-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:13px 0;border-bottom:1px dashed #232C38;font-size:14.5px;color:var(--text-2);
}
.status-row:last-of-type{border-bottom:0;}
.status-row__label{display:flex;align-items:center;gap:8px;color:var(--text);}
.dot{width:8px;height:8px;border-radius:50%;display:inline-block;}
.dot--ok{background:var(--ok);box-shadow:0 0 0 4px rgba(34,197,94,.14);}
.dot--warn{background:var(--warn);box-shadow:0 0 0 4px rgba(245,158,11,.14);}
.dot--idle{background:var(--text-3);box-shadow:0 0 0 4px rgba(111,122,137,.14);}
.status-panel__note{font-size:13px;color:var(--text-3);margin-top:12px;line-height:1.8;}

/* ============ 说明块 ============ */
.note{
  background:var(--surface-2);border:1px solid var(--line);border-left:3px solid var(--orange);
  border-radius:14px;padding:26px 28px;
}
.note h3{font-size:20px;font-weight:600;margin-bottom:14px;}
.note-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 26px;margin-bottom:16px;}
.note-list li{display:flex;gap:10px;font-size:15px;color:var(--text-2);line-height:1.8;}
.note-list li i{color:var(--teal);font-size:14px;margin-top:7px;}
.note-tip{font-size:13.5px;color:var(--text-3);border-top:1px dashed #2A3441;padding-top:14px;}

/* ============ FAQ ============ */
.faq{display:flex;flex-direction:column;gap:12px;max-width:920px;}
.faq__item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq__item:hover{border-color:rgba(255,122,26,.45);}
.faq__item.is-open{border-color:rgba(255,122,26,.6);box-shadow:inset 3px 0 0 var(--orange);}
.faq__q{
  width:100%;min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);
}
.faq__q i{color:var(--orange);transition:transform .25s ease;font-size:15px;}
.faq__item.is-open .faq__q i{transform:rotate(45deg);}
.faq__a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq__item.is-open .faq__a{max-height:360px;}
.faq__a p{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--text-2);}

/* ============ CTA ============ */
.cta{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
  padding:44px 46px;border-radius:22px;
  background:linear-gradient(118deg,#FF9040 0%,#FF7A1A 42%,#D95F0A 100%);
  box-shadow:0 26px 60px rgba(255,122,26,.22);
}
.cta__text{max-width:640px;}
.cta h2{color:#1A1206;font-size:clamp(24px,2.4vw,32px);font-weight:800;margin-bottom:10px;}
.cta p{color:rgba(26,18,6,.82);font-size:15.5px;line-height:1.85;}
.cta__actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.site-footer{background:#0A0D12;border-top:1px solid var(--line);padding:58px 0 28px;margin-top:36px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.4fr;gap:34px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--text);margin-bottom:14px;}
.footer-title{font-size:15px;font-weight:600;color:var(--text);margin-bottom:14px;}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-list a{color:var(--text-2);font-size:14.5px;}
.footer-list a:hover{color:var(--orange);}
.footer-text{color:var(--text-3);font-size:14px;line-height:1.85;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:38px;padding-top:20px;border-top:1px solid #171E27;
  font-size:13.5px;color:var(--text-3);
}
.to-top{display:inline-flex;align-items:center;gap:8px;color:var(--text-2);}
.to-top:hover{color:var(--orange);}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--sidebar-w:80px;}
  .sidebar{padding:16px 10px 18px;align-items:stretch;}
  .sidebar__logo{justify-content:center;padding:0;gap:0;}
  .sidebar__logo-text{display:none;}
  .nav-item{justify-content:center;gap:0;padding:0;}
  .nav-item span{display:none;}
  .side-search{display:none;}
  .sidebar__foot{margin-top:auto;}
  .sidebar__top{justify-content:center;padding:0;gap:0;}
  .sidebar__top span{display:none;}
  .container{padding:0 24px;}
  .feature__inner{padding:40px 34px;}
  .feature{min-height:400px;}
  .strip__grid{grid-template-columns:1fr;}
  .note-list{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .section{padding:64px 0;}
}
@media (max-width:640px){
  body{font-size:16px;line-height:1.85;}
  .topbar{display:flex;}
  .sidebar{
    width:280px;transform:translateX(-100%);transition:transform .25s ease;
    padding:22px 16px;border-right:1px solid var(--line);
  }
  .sidebar.is-open{transform:translateX(0);box-shadow:0 0 70px rgba(0,0,0,.65);}
  .sidebar__logo{justify-content:flex-start;padding:0 10px;gap:10px;height:52px;}
  .sidebar__logo-text{display:inline;}
  .nav-item{justify-content:flex-start;gap:12px;padding:0 12px;height:48px;}
  .nav-item span{display:inline;}
  .nav-item.is-active::before{top:12px;bottom:12px;}
  .sidebar__top{justify-content:flex-start;padding:0 12px;gap:12px;}
  .sidebar__top span{display:inline;}
  .side-search{display:flex;margin-top:18px;margin-bottom:18px;}
  .main{margin-left:0;padding-top:64px;}
  .container{padding:0 16px;}
  .crumbs{padding:20px 0 16px;font-size:13px;}
  .feature{border-radius:18px;min-height:420px;}
  .feature__inner{padding:28px 20px;}
  .feature__title{font-size:32px;}
  .feature__sub{font-size:15.5px;}
  .feature__actions .btn{width:100%;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:22px;}
  .card-grid{grid-template-columns:1fr;gap:16px;}
  .card__title{font-size:17.5px;}
  .side-card__thumb{width:84px;height:58px;}
  .note{padding:20px 18px;}
  .faq__q{font-size:15.5px;padding:16px;}
  .faq__a p{padding:0 16px 18px;}
  .cta{padding:30px 22px;border-radius:18px;gap:20px;}
  .cta__actions{width:100%;}
  .cta__actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{justify-content:flex-start;}
}