/* roulang page: index */
:root{
  --brand:#0F6BA8;
  --brand-dark:#0A4C7A;
  --brand-2:#2FB6A8;
  --accent:#E8963A;
  --accent-dark:#d4852b;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --surface-alt:#EDF4F9;
  --text:#12212E;
  --text-2:#5A6B7A;
  --text-3:#93A3B1;
  --border:#E3EBF2;
  --divider:#EDF2F7;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --sh-xs:0 1px 2px rgba(15,54,84,.05);
  --sh-sm:0 2px 10px rgba(15,54,84,.06);
  --sh-md:0 12px 28px rgba(15,54,84,.10);
  --sh-lg:0 24px 48px rgba(15,54,84,.14);
  --tr:.22s cubic-bezier(.2,.7,.3,1);
  --header-h:88px;
  --bs-primary:#0F6BA8;
  --bs-primary-rgb:15,107,168;
  --bs-link-color:#0F6BA8;
  --bs-link-hover-color:#0A4C7A;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --bs-body-color:#12212E;
  --bs-border-color:#E3EBF2;
  --bs-border-radius:12px;
  --bs-border-radius-lg:16px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color var(--tr);}
a:hover{color:var(--brand-dark);}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:-0.01em;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}
.row{--bs-gutter-x:24px;}

/* ====== 导航 ====== */
.site-header{
  position:sticky;top:0;z-index:1040;
  padding:12px 0 0;
  background:linear-gradient(180deg,rgba(246,249,252,.98) 0%,rgba(246,249,252,.85) 62%,rgba(246,249,252,0) 100%);
  transition:padding var(--tr);
}
.nav-panel{
  display:flex;align-items:center;gap:18px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  padding:10px 16px;
  min-height:76px;
  transition:box-shadow var(--tr),min-height var(--tr),padding var(--tr);
}
.site-header.is-scrolled .nav-panel{box-shadow:var(--sh-md);min-height:64px;padding:6px 16px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(140deg,#E9F3FA,#D6E9F5);
  display:inline-flex;align-items:center;justify-content:center;
  flex:0 0 auto;
}
.brand-text{
  font-size:17px;font-weight:700;color:var(--text);
  white-space:nowrap;letter-spacing:-0.01em;
}
.brand:hover .brand-text{color:var(--brand);}
.nav-cards{display:flex;align-items:center;gap:6px;flex:1 1 auto;flex-wrap:nowrap;overflow:hidden;}
.nav-card{
  display:inline-block;
  padding:8px 12px;
  font-size:14px;font-weight:500;
  color:var(--text-2);
  border:1px solid transparent;
  border-radius:var(--r-md);
  white-space:nowrap;
  transition:background var(--tr),color var(--tr),border-color var(--tr);
}
.nav-card:hover{background:var(--surface-alt);color:var(--brand);border-color:var(--border);}
.nav-card.is-active{color:var(--brand);font-weight:600;background:rgba(15,107,168,.08);border-color:rgba(15,107,168,.18);}
.nav-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:var(--r-md);
  border:1px solid var(--border);background:var(--surface);
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
  cursor:pointer;margin-left:auto;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-dark);}

/* ====== 按钮 ====== */
.btn-brand,.btn-ghost,.btn-ghost-light{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:12px 22px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:background var(--tr),color var(--tr),box-shadow var(--tr),transform var(--tr),border-color var(--tr);
}
.btn-brand{background:var(--accent);color:#fff;box-shadow:var(--sh-xs);}
.btn-brand:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-brand:active{transform:translateY(1px);box-shadow:var(--sh-xs);}
.btn-ghost{background:var(--surface);color:var(--brand);border-color:rgba(15,107,168,.35);}
.btn-ghost:hover{background:var(--surface-alt);color:var(--brand-dark);border-color:var(--brand);}
.btn-ghost-light{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.55);}
.btn-ghost-light:hover{background:rgba(255,255,255,.18);color:#fff;border-color:#fff;}
.btn-sm-brand{padding:9px 16px;font-size:14px;border-radius:9px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);
}
.text-link i{transition:transform var(--tr);font-size:12px;}
.text-link:hover i{transform:translateX(3px);}

/* ====== 抽屉导航 ====== */
.nav-drawer{width:min(340px,88vw);border:0;}
.nav-drawer .offcanvas-header{
  border-bottom:1px solid var(--divider);
  padding:18px 20px;
}
.nav-drawer .offcanvas-title{font-size:16px;color:var(--brand-dark);}
.drawer-close{
  width:36px;height:36px;border-radius:50%;
  border:1px solid var(--border);background:var(--surface);
  font-size:20px;line-height:1;color:var(--text-2);cursor:pointer;
}
.drawer-close:hover{background:var(--surface-alt);color:var(--brand);}
.nav-drawer .offcanvas-body{padding:16px 20px 24px;display:flex;flex-direction:column;gap:10px;}
.drawer-card{
  display:block;padding:13px 16px;
  border:1px solid var(--border);border-radius:var(--r-md);
  background:var(--surface);color:var(--text-2);font-size:15px;font-weight:500;
  transition:background var(--tr),color var(--tr),border-color var(--tr);
}
.drawer-card:hover{background:var(--surface-alt);color:var(--brand);border-color:rgba(15,107,168,.25);}
.drawer-card.is-active{background:rgba(15,107,168,.08);color:var(--brand);border-color:rgba(15,107,168,.25);font-weight:600;}
.drawer-cta{margin-top:8px;width:100%;}

/* ====== Hero ====== */
.hero{
  position:relative;
  margin-top:calc(var(--header-h) * -1);
  padding:calc(var(--header-h) + 76px) 0 0;
  min-height:740px;
  display:flex;flex-direction:column;justify-content:space-between;
  overflow:hidden;isolation:isolate;background:#0A2A42;
}
.hero-bg{position:absolute;inset:0;z-index:0;background-size:cover;background-position:center 30%;}
.hero-overlay{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(10,42,66,.55) 0%,rgba(10,42,66,.78) 55%,rgba(10,42,66,.88) 100%);
}
.hero-inner{position:relative;z-index:2;padding-bottom:48px;}
.hero-content{max-width:660px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.28);
  color:#EAF4FB;font-size:13px;font-weight:500;
  margin-bottom:22px;
}
.hero-eyebrow .dot{
  width:7px;height:7px;border-radius:50%;background:#5FE0C6;
  box-shadow:0 0 0 4px rgba(95,224,198,.22);
}
.hero-title{
  color:#fff;
  font-size:clamp(2rem,4.6vw,3.4rem);
  font-weight:700;line-height:1.2;letter-spacing:-0.02em;
  margin-bottom:20px;
}
.hero-sub{
  color:rgba(232,241,248,.88);
  font-size:clamp(1rem,1.5vw,1.125rem);
  line-height:1.75;
  max-width:600px;
  margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.hero-meta{
  display:inline-flex;flex-wrap:wrap;gap:22px;
  padding:12px 18px;border-radius:var(--r-md);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  color:#DCEAF4;font-size:13px;
}
.hero-meta strong{color:#fff;font-weight:700;font-size:15px;margin-right:4px;}
.hero-thumbs{
  position:relative;z-index:2;
  padding:0 0 26px;
}
.thumbs-track{
  display:flex;gap:14px;
  overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 24px 12px;
  scrollbar-width:none;
}
.thumbs-track::-webkit-scrollbar{display:none;}
.thumb-item{
  flex:0 0 188px;scroll-snap-align:start;
  position:relative;border-radius:var(--r-md);overflow:hidden;
  aspect-ratio:16/9;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.2);
  transition:transform var(--tr),border-color var(--tr);
}
.thumb-item img{width:100%;height:100%;object-fit:cover;}
.thumb-item span{
  position:absolute;left:0;right:0;bottom:0;
  padding:14px 10px 7px;
  font-size:12px;color:#fff;
  background:linear-gradient(180deg,rgba(6,26,42,0),rgba(6,26,42,.86));
}
.thumb-item:hover{transform:translateY(-3px);border-color:rgba(255,255,255,.5);}

/* ====== 通用区块 ====== */
.section{padding:96px 0;}
.section-alt{background:var(--surface-alt);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;margin-bottom:34px;
}
.section-head-main{display:flex;gap:14px;align-items:flex-start;}
.section-bar{
  width:4px;border-radius:999px;background:var(--brand);
  align-self:stretch;min-height:38px;flex:0 0 4px;margin-top:4px;
}
.section-title{font-size:clamp(1.4rem,2.4vw,2rem);color:var(--text);}
.section-sub{margin-top:8px;font-size:14px;color:var(--text-2);max-width:620px;}

/* ====== 片库横滑 ====== */
.shelf{margin-bottom:56px;}
.shelf:last-child{margin-bottom:0;}
.shelf-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px;}
.shelf-title{font-size:1.125rem;font-weight:700;display:flex;align-items:center;gap:10px;}
.shelf-title .tag-mini{
  font-size:12px;font-weight:600;color:var(--brand-2);
  background:rgba(47,182,168,.12);
  padding:3px 9px;border-radius:6px;
}
.shelf-wrap{position:relative;}
.shelf-row{
  display:flex;gap:20px;
  overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 20px;
  scrollbar-width:none;
}
.shelf-row::-webkit-scrollbar{display:none;}
.shelf-arrow{
  position:absolute;top:38%;transform:translateY(-50%);
  width:44px;height:44px;border-radius:50%;
  background:#fff;border:1px solid var(--border);
  box-shadow:var(--sh-md);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;z-index:3;transition:background var(--tr),color var(--tr);
}
.shelf-arrow:hover{background:var(--brand);color:#fff;}
.shelf-arrow.prev{left:-14px;}
.shelf-arrow.next{right:-14px;}

.poster-card{
  flex:0 0 252px;scroll-snap-align:start;
  display:block;color:inherit;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-xs);
  transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.poster-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);color:inherit;border-color:#D3E3EF;}
.poster-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-alt);}
.poster-media img{width:100%;height:100%;object-fit:cover;transition:transform .38s cubic-bezier(.2,.7,.3,1);}
.poster-card:hover .poster-media img{transform:scale(1.04);}
.poster-badge{
  position:absolute;left:10px;top:10px;
  padding:3px 9px;border-radius:6px;
  font-size:12px;font-weight:600;
  background:rgba(255,255,255,.94);color:var(--brand-dark);
}
.poster-play{
  position:absolute;right:10px;bottom:10px;
  width:34px;height:34px;border-radius:50%;
  background:rgba(232,150,58,.94);color:#fff;
  display:flex;align-items:center;justify-content:center;
  opacity:0;transform:scale(.85);
  transition:opacity var(--tr),transform var(--tr);
}
.poster-card:hover .poster-play{opacity:1;transform:scale(1);}
.poster-body{padding:14px 16px 16px;}
.poster-title{
  font-size:15px;font-weight:600;line-height:1.5;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:8px;min-height:45px;
}
.poster-meta{font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:8px;}
.poster-meta .sep{width:3px;height:3px;border-radius:50%;background:var(--text-3);}

/* ====== 榜单 ====== */
.rank-panel{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-xs);height:100%;
}
.rank-panel-head{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:16px;}
.rank-panel-head h3{font-size:1.0625rem;}
.rank-panel-head span{font-size:12px;color:var(--text-3);}
.rank-item{
  display:flex;align-items:center;gap:14px;
  padding:11px 0;border-bottom:1px solid var(--divider);
  color:inherit;
}
.rank-item:last-child{border-bottom:0;padding-bottom:0;}
.rank-item:hover .rank-title{color:var(--brand);}
.rank-no{
  flex:0 0 28px;text-align:center;
  font-size:clamp(1.1rem,1.6vw,1.35rem);font-weight:800;color:var(--text-3);
  line-height:1;
}
.rank-item:nth-child(1) .rank-no,.rank-item:nth-child(2) .rank-no,.rank-item:nth-child(3) .rank-no{color:var(--accent);}
.rank-thumb{
  flex:0 0 46px;width:46px;height:46px;border-radius:var(--r-sm);
  overflow:hidden;background:var(--surface-alt);
}
.rank-thumb img{width:100%;height:100%;object-fit:cover;}
.rank-body{flex:1 1 auto;min-width:0;}
.rank-title{
  font-size:14px;font-weight:600;color:var(--text);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  transition:color var(--tr);
}
.rank-foot{display:flex;align-items:center;gap:8px;margin-top:6px;}
.heat-bar{flex:1 1 auto;height:4px;border-radius:999px;background:var(--divider);overflow:hidden;}
.heat-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--brand-2));}
.rank-foot span{font-size:12px;color:var(--text-3);}

.chip{
  display:inline-block;padding:3px 10px;border-radius:999px;
  font-size:12px;font-weight:500;
  background:rgba(47,182,168,.12);color:#1F8B80;
}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.chip-row .chip{background:var(--surface);border:1px solid var(--border);color:var(--text-2);cursor:default;}
.chip-row .chip.on{background:rgba(15,107,168,.1);border-color:rgba(15,107,168,.25);color:var(--brand);font-weight:600;}

.rec-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.rec-card{
  display:block;color:inherit;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-xs);
  transition:transform var(--tr),box-shadow var(--tr);
}
.rec-card:hover{transform:translateY(-3px);box-shadow:var(--sh-md);color:inherit;}
.rec-card .poster-media{aspect-ratio:16/10;}
.rec-card .poster-body{padding:12px 14px 14px;}
.rec-card h4{font-size:14.5px;font-weight:600;margin-bottom:6px;line-height:1.5;}
.rec-card p{font-size:12.5px;color:var(--text-3);margin:0;}

/* ====== 片单分区 ====== */
.mix{margin-bottom:64px;}
.mix:last-child{margin-bottom:0;}
.mix-title{font-size:1.125rem;font-weight:700;margin-bottom:18px;display:flex;align-items:center;gap:10px;}
.feature-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-lg);overflow:hidden;height:100%;
  display:flex;flex-direction:column;box-shadow:var(--sh-xs);
  transition:box-shadow var(--tr);
}
.feature-card:hover{box-shadow:var(--sh-md);}
.feature-media{aspect-ratio:16/9;overflow:hidden;background:var(--surface-alt);}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .38s cubic-bezier(.2,.7,.3,1);}
.feature-card:hover .feature-media img{transform:scale(1.03);}
.feature-body{padding:22px 24px 24px;}
.feature-body h3{font-size:1.25rem;margin:12px 0 10px;}
.feature-body p{font-size:14.5px;color:var(--text-2);}
.stack-list{display:flex;flex-direction:column;gap:18px;height:100%;}
.mini-card{
  display:flex;gap:14px;align-items:center;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:12px;color:inherit;
  box-shadow:var(--sh-xs);flex:1 1 auto;
  transition:transform var(--tr),box-shadow var(--tr);
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--sh-md);color:inherit;}
.mini-card img{width:88px;height:64px;border-radius:var(--r-sm);object-fit:cover;flex:0 0 88px;}
.mini-card h4{font-size:14.5px;font-weight:600;margin-bottom:5px;}
.mini-card span{font-size:12.5px;color:var(--text-3);}
.intro-block h3{font-size:clamp(1.25rem,2vw,1.6rem);margin-bottom:14px;}
.intro-block p{color:var(--text-2);font-size:15px;}
.intro-points{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.intro-points li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--text-2);}
.intro-points i{color:var(--brand-2);margin-top:5px;font-size:13px;}
.tile-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.tile{border-radius:var(--r-lg);overflow:hidden;position:relative;aspect-ratio:4/3;background:var(--surface-alt);}
.tile img{width:100%;height:100%;object-fit:cover;transition:transform .38s cubic-bezier(.2,.7,.3,1);}
.tile:hover img{transform:scale(1.05);}
.tile span{
  position:absolute;left:0;right:0;bottom:0;
  padding:26px 14px 12px;color:#fff;font-size:13.5px;font-weight:600;
  background:linear-gradient(180deg,rgba(6,26,42,0),rgba(6,26,42,.82));
}
.tag-wall{
  display:flex;flex-wrap:wrap;gap:12px;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-xs);
}
.tag-wall .tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:9px 16px;border-radius:999px;
  font-size:13.5px;font-weight:500;
  background:var(--surface-alt);color:var(--text-2);
  border:1px solid var(--border);
  transition:background var(--tr),color var(--tr),border-color var(--tr);
}
.tag-wall .tag:hover{background:rgba(15,107,168,.08);color:var(--brand);border-color:rgba(15,107,168,.25);}
.tag-wall .tag.on{background:var(--brand);color:#fff;border-color:var(--brand);font-weight:600;}

/* ====== 最新信息 ====== */
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.news-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:22px 24px 20px;
  color:inherit;box-shadow:var(--sh-xs);
  border-left:4px solid var(--brand);
  transition:transform var(--tr),box-shadow var(--tr);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-md);color:inherit;}
.news-meta{display:flex;align-items:center;gap:12px;margin-bottom:12px;font-size:12.5px;color:var(--text-3);}
.news-title{
  font-size:1.0625rem;font-weight:700;color:var(--text);line-height:1.55;
  margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-summary{
  font-size:14px;color:var(--text-2);line-height:1.75;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.news-foot .text-link{font-size:13.5px;}
.empty-state{
  grid-column:1 / -1;
  background:var(--surface);border:1px dashed #CBDCE8;
  border-radius:var(--r-lg);padding:56px 24px;text-align:center;
}
.empty-state i{font-size:30px;color:var(--brand);opacity:.55;}
.empty-state p{margin:14px 0 18px;color:var(--text-2);font-size:14.5px;}

/* ====== CTA 订阅 ====== */
.cta-band{
  background:linear-gradient(120deg,#E7F2FA 0%,#F1F8FC 52%,#EDF4F9 100%);
  border:1px solid #D9E8F3;
  border-radius:var(--r-lg);
  padding:44px 46px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:var(--sh-sm);
}
.cta-band h2{font-size:clamp(1.25rem,2vw,1.6rem);margin-bottom:10px;}
.cta-band p{color:var(--text-2);font-size:14.5px;max-width:440px;}
.subscribe-form{
  display:flex;gap:0;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-md);padding:6px;box-shadow:var(--sh-xs);
  min-width:392px;
}
.subscribe-form input{
  flex:1 1 auto;border:0;outline:none;background:transparent;
  padding:12px 16px;font-size:14.5px;color:var(--text);
}
.subscribe-form input::placeholder{color:var(--text-3);}
.subscribe-form .btn-brand{border-radius:8px;padding:12px 22px;flex:0 0 auto;}
.form-tip{font-size:13px;color:var(--text-3);margin-top:12px;}

/* ====== FAQ ====== */
.faq-accordion .accordion-item{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-md) !important;margin-bottom:14px;overflow:hidden;
  box-shadow:var(--sh-xs);
}
.faq-accordion .accordion-button{
  background:var(--surface);color:var(--text);
  font-size:15.5px;font-weight:600;padding:18px 22px;
  box-shadow:none !important;border:0;
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--brand);background:#F4FAFD;}
.faq-accordion .accordion-button::after{
  background-image:none;
  content:"\f067";
  font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--brand);
  width:auto;height:auto;transform:none;
  transition:transform var(--tr);
  display:flex;align-items:center;justify-content:center;
}
.faq-accordion .accordion-button:not(.collapsed)::after{content:"\f068";transform:rotate(180deg);}
.faq-accordion .accordion-body{
  padding:0 22px 20px;color:var(--text-2);font-size:14.5px;line-height:1.8;
  background:#F4FAFD;
}

/* ====== 页脚 ====== */
.site-footer{
  background:var(--surface-alt);
  border-top:1px solid var(--border);
  padding:72px 0 26px;margin-top:0;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand-name{font-size:16.5px;font-weight:700;color:var(--text);}
.footer-desc{font-size:14px;color:var(--text-2);max-width:300px;line-height:1.75;}
.footer-note{
  margin-top:14px;display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;color:var(--brand);background:rgba(15,107,168,.08);
  padding:5px 12px;border-radius:999px;
}
.footer-title{font-size:14.5px;font-weight:700;color:var(--brand-dark);margin-bottom:16px;}
.footer-links li{margin-bottom:10px;font-size:14px;color:var(--text-2);}
.footer-links a{color:var(--text-2);}
.footer-links a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  margin-top:52px;padding-top:22px;border-top:1px solid #DCE8F1;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.footer-bottom p{margin:0;}

/* ====== 响应式 ====== */
@media (max-width:1199.98px){
  .section{padding:80px 0;}
  .poster-card{flex:0 0 232px;}
  .subscribe-form{min-width:340px;}
}
@media (max-width:991.98px){
  :root{--header-h:76px;}
  .nav-cards,.nav-cta .btn-brand{display:none;}
  .nav-toggle{display:flex;}
  .hero{min-height:600px;padding-top:calc(var(--header-h) + 56px);}
  .section{padding:72px 0;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 30px;gap:26px;}
  .subscribe-form{min-width:0;width:100%;}
  .rank-panel{margin-bottom:24px;}
  .news-grid{grid-template-columns:1fr;}
}
@media (max-width:767.98px){
  .container{padding-left:18px;padding-right:18px;}
  .section{padding:56px 0;}
  .hero{min-height:520px;}
  .hero-title{font-size:clamp(1.7rem,7vw,2.2rem);}
  .hero-sub{font-size:15px;}
  .hero-actions{width:100%;}
  .hero-actions .btn-brand,.hero-actions .btn-ghost-light{flex:1 1 auto;}
  .hero-meta{gap:14px;font-size:12.5px;}
  .thumb-item{flex:0 0 152px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .poster-card{flex:0 0 216px;}
  .shelf-arrow{display:none;}
  .rec-grid,.tile-grid{grid-template-columns:1fr;}
  .feature-body{padding:18px;}
  .cta-band{padding:28px 20px;}
  .subscribe-form{flex-direction:column;gap:8px;padding:8px;}
  .subscribe-form .btn-brand{width:100%;}
  .news-card{padding:18px 18px 16px;}
  .footer-bottom{flex-direction:column;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --brand:#0F6BA8;
  --brand-dark:#0A4C7A;
  --teal:#2FB6A8;
  --accent:#E8963A;
  --accent-dark:#d4842c;
  --bg:#F6F9FC;
  --bg-alt:#EDF4F9;
  --card:#FFFFFF;
  --text:#12212E;
  --text-muted:#5A6B7A;
  --text-weak:#93A3B1;
  --border:#E3EBF2;
  --divider:#EDF2F7;
  --shadow-xs:0 1px 2px rgba(15,54,84,.05);
  --shadow-sm:0 2px 10px rgba(15,54,84,.06);
  --shadow-md:0 12px 28px rgba(15,54,84,.10);
  --shadow-lg:0 24px 48px rgba(15,54,84,.14);
  --radius-lg:16px;
  --radius:12px;
  --radius-btn:10px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#0F6BA8;
  --bs-link-color:#0F6BA8;
  --bs-link-hover-color:#0A4C7A;
  --bs-body-color:#12212E;
  --bs-body-bg:#F6F9FC;
  --bs-border-color:#E3EBF2;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--text)}
p{margin:0 0 18px}
ul,ol{margin:0;padding:0}
button{font:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  padding:12px 0 10px;
  background:linear-gradient(180deg,#F6F9FC 72%,rgba(246,249,252,.55));
}
.nav-panel{
  display:flex;align-items:center;gap:18px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  padding:12px 16px;
  min-height:76px;
  transition:box-shadow .25s var(--ease),min-height .25s var(--ease),padding .25s var(--ease);
}
.site-header.is-condensed .nav-panel{box-shadow:var(--shadow-md);min-height:64px;padding-top:8px;padding-bottom:8px}
.nav-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text)}
.nav-brand:hover{color:var(--brand)}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--bg-alt);
  border:1px solid var(--border);
  flex:0 0 auto;
}
.brand-name{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.nav-cards{display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center;flex-wrap:wrap}
.nav-card{
  display:inline-flex;align-items:center;
  padding:8px 14px;
  border:1px solid var(--border);
  border-radius:var(--radius);
  font-size:14.5px;
  color:#3c4d5b;
  background:#fff;
  position:relative;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.nav-card:hover{background:var(--bg-alt);color:var(--brand);border-color:#cfe0ec;transform:translateY(-1px)}
.nav-card.is-active{background:var(--brand);border-color:var(--brand);color:#fff}
.nav-card.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:-6px;height:2px;border-radius:2px;background:var(--brand)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.btn-brand{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--accent);color:#fff;
  border:1px solid var(--accent);
  border-radius:var(--radius-btn);
  padding:10px 18px;
  font-size:14.5px;font-weight:600;
  box-shadow:var(--shadow-sm);
  transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-brand:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-brand:active{transform:translateY(1px)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:6px;
  background:#fff;color:var(--brand);
  border:1px solid var(--brand);
  border-radius:var(--radius-btn);
  padding:10px 18px;
  font-size:14.5px;font-weight:600;
  transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.btn-ghost:hover{background:var(--bg-alt);color:var(--brand-dark);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:var(--radius);
  border:1px solid var(--border);background:#fff;color:var(--brand);
}

/* ---------- 面包屑 ---------- */
.crumbs{padding:22px 0 0;font-size:13.5px;color:var(--text-muted)}
.crumbs ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li+li::before{content:"›";color:var(--text-weak)}
.crumbs a{color:var(--text-muted)}
.crumbs a:hover{color:var(--brand);text-decoration:underline}
.crumbs .current{color:var(--text);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章布局 ---------- */
.article-wrap{padding:26px 0 0}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start}
.article-main{min-width:0}
.article-head{margin-bottom:22px}
.article-head h1{font-size:clamp(1.6rem,2.9vw,2.3rem);line-height:1.28;letter-spacing:-.02em}
.meta-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px;font-size:13.5px;color:var(--text-muted)}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:13px;font-weight:600;
  background:rgba(47,182,168,.12);color:#1c7d72;
  border:1px solid rgba(47,182,168,.25);
}
.chip-brand{background:rgba(15,107,168,.10);color:var(--brand-dark);border-color:rgba(15,107,168,.22)}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--text-weak)}
.cover-figure{margin:0 0 30px;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);background:var(--bg-alt)}
.cover-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.cover-caption{font-size:13px;color:var(--text-muted);padding:12px 4px 0;text-align:center}

/* 阅读区正文 */
.article-body{font-size:17px;line-height:1.9;color:#20323f}
.article-body p{margin:0 0 20px}
.article-body h2{
  font-size:23px;line-height:1.42;font-weight:700;
  margin:44px 0 18px;padding-left:14px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:4px;background:var(--brand);
}
.article-body h3{font-size:18.5px;margin:32px 0 14px;font-weight:700;color:#182b38}
.article-body h4{font-size:17px;margin:26px 0 12px;color:#182b38}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 20px}
.article-body li{margin-bottom:10px}
.article-body li::marker{color:var(--brand)}
.article-body blockquote{
  margin:24px 0;padding:20px 22px;border-left:4px solid var(--brand);
  background:var(--bg);border-radius:0 var(--radius) var(--radius) 0;color:#3d4f5d;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius);margin:24px auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--text-muted);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--border);padding:10px 14px}
.article-body th{background:var(--bg-alt);font-weight:600;text-align:left}
.article-body tbody tr:nth-child(even){background:#FAFCFE}
.article-body code{background:var(--bg-alt);border-radius:6px;padding:1px 6px;font-size:14.5px}
.article-body pre{background:#0A2A42;color:#e8f1f8;padding:18px;border-radius:var(--radius);overflow:auto;font-size:14.5px}

.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:34px 0 0;padding-top:22px;border-top:1px solid var(--divider)}
.tag{
  display:inline-flex;align-items:center;
  padding:6px 13px;border-radius:999px;font-size:13px;
  background:#fff;border:1px solid var(--border);color:#425766;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.tag:hover{background:var(--bg-alt);color:var(--brand);border-color:#cfe0ec}

/* 空态 */
.empty-state{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-xs);padding:56px 28px;text-align:center;
}
.empty-state i{font-size:30px;color:var(--text-weak)}
.empty-state h2{font-size:20px;margin:16px 0 10px}
.empty-state p{color:var(--text-muted);font-size:14.5px;margin-bottom:22px}

/* ---------- 侧栏 ---------- */
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:22px}
.side-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-xs);padding:20px;
}
.side-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.side-head h2{font-size:16px;padding-left:12px;position:relative}
.side-head h2::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:4px;background:var(--brand)}
.side-head a{font-size:13px;color:var(--text-muted)}
.side-head a:hover{color:var(--brand)}
.rank-list{list-style:none;display:flex;flex-direction:column;gap:14px}
.rank-item{display:flex;gap:12px;align-items:flex-start}
.rank-no{
  font-size:20px;font-weight:800;line-height:1.2;color:var(--text-weak);
  min-width:22px;font-variant-numeric:tabular-nums;
}
.rank-item:nth-child(1) .rank-no,.rank-item:nth-child(2) .rank-no,.rank-item:nth-child(3) .rank-no{color:var(--accent)}
.rank-thumb{width:58px;height:58px;border-radius:10px;object-fit:cover;flex:0 0 auto;background:var(--bg-alt)}
.rank-text{min-width:0}
.rank-text a{display:block;font-size:14.5px;font-weight:600;color:var(--text);line-height:1.5;margin-bottom:6px}
.rank-text a:hover{color:var(--brand)}
.rank-meta{font-size:12.5px;color:var(--text-weak)}
.heat{height:4px;border-radius:999px;background:var(--divider);margin-top:8px;overflow:hidden}
.heat span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--teal))}
.chip-cloud{display:flex;flex-wrap:wrap;gap:8px}
.mini-card{display:flex;gap:12px;align-items:center;padding:8px;border-radius:var(--radius);transition:background .2s var(--ease)}
.mini-card:hover{background:var(--bg)}
.mini-card img{width:72px;height:48px;border-radius:8px;object-fit:cover;flex:0 0 auto;background:var(--bg-alt)}
.mini-card span{font-size:14px;font-weight:600;color:var(--text);line-height:1.5}
.mini-card:hover span{color:var(--brand)}
.mini-stack{display:flex;flex-direction:column;gap:4px}

/* ---------- 文末导航 ---------- */
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:44px 0 0}
.post-nav-card{
  display:block;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:18px 20px;box-shadow:var(--shadow-xs);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.post-nav-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#d5e4ee}
.pn-label{display:block;font-size:12.5px;color:var(--text-weak);margin-bottom:8px}
.pn-title{display:block;font-size:15.5px;font-weight:600;color:var(--text);line-height:1.55}
.post-nav-card:hover .pn-title{color:var(--brand)}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0}
.section-alt{background:var(--bg-alt)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:30px}
.section-head h2{font-size:clamp(1.3rem,2.2vw,1.8rem);padding-left:14px;position:relative}
.section-head h2::before{content:"";position:absolute;left:0;top:.16em;bottom:.16em;width:4px;border-radius:4px;background:var(--brand)}
.section-head p{color:var(--text-muted);font-size:14.5px;margin:10px 0 0 14px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand);white-space:nowrap}
.link-more i{transition:transform .2s var(--ease)}
.link-more:hover i{transform:translateX(3px)}

.shelf{
  display:grid;grid-auto-flow:column;grid-auto-columns:250px;gap:20px;
  overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 18px;margin:0 -4px;
  scrollbar-width:none;
}
.shelf::-webkit-scrollbar{display:none}
.poster-card{
  scroll-snap-align:start;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-xs);display:block;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.poster-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.poster-media{position:relative;overflow:hidden;background:var(--bg-alt)}
.poster-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s var(--ease)}
.poster-card:hover .poster-media img{transform:scale(1.04)}
.poster-badge{
  position:absolute;left:10px;top:10px;
  padding:4px 10px;border-radius:6px;font-size:12px;font-weight:600;
  background:rgba(255,255,255,.92);color:var(--brand-dark);
}
.poster-body{padding:14px 16px 16px}
.poster-body h3{font-size:15.5px;line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.poster-body p{font-size:13px;color:var(--text-weak);margin:0}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-xs);overflow:hidden}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:#fff;border:0;padding:18px 22px;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);
}
.faq-q i{color:var(--brand);transition:transform .25s var(--ease);flex:0 0 auto}
.faq-item.is-open .faq-q i{transform:rotate(180deg)}
.faq-a{display:none;padding:0 22px 20px;color:var(--text-muted);font-size:14.8px;line-height:1.8}
.faq-item.is-open .faq-a{display:block}

/* ---------- 订阅 CTA ---------- */
.subscribe-card{
  background:var(--bg-alt);
  border:1px solid #d9e7f1;
  border-radius:var(--radius-lg);
  padding:40px;
  display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;
}
.subscribe-card h2{font-size:clamp(1.25rem,2vw,1.6rem);margin-bottom:10px}
.subscribe-card p{color:var(--text-muted);font-size:14.6px;margin:0}
.subscribe-form{display:flex;gap:0;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:6px;box-shadow:var(--shadow-xs)}
.subscribe-form input{
  flex:1 1 auto;min-width:0;border:0;background:transparent;height:46px;padding:0 14px;font-size:15px;color:var(--text);
  border-radius:8px;
}
.subscribe-form input:focus{outline:none;box-shadow:inset 0 0 0 2px rgba(15,107,168,.28)}
.subscribe-form button{
  flex:0 0 auto;border:0;border-radius:8px;background:var(--accent);color:#fff;
  font-weight:600;font-size:15px;padding:0 22px;height:46px;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.subscribe-form button:hover{background:var(--accent-dark);transform:translateY(-1px)}
.privacy-note{font-size:13px;color:var(--text-weak);margin-top:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-alt);border-top:1px solid var(--border);padding:60px 0 26px;margin-top:24px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand-name{font-size:16.5px;font-weight:700;color:var(--text)}
.footer-desc{font-size:14px;color:var(--text-muted);max-width:320px;margin-bottom:14px}
.footer-note{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--brand-dark);background:#fff;border:1px solid var(--border);border-radius:999px;padding:6px 13px}
.footer-title{font-size:15px;margin-bottom:16px;color:var(--brand-dark)}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-links a,.footer-links li{font-size:14px;color:var(--text-muted)}
.footer-links a:hover{color:var(--brand);text-decoration:underline}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
  border-top:1px solid #dde8f0;margin-top:40px;padding-top:20px;
}
.footer-bottom p{font-size:13px;color:var(--text-weak);margin:0}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .article-grid{grid-template-columns:minmax(0,1fr) 292px;gap:32px}
}
@media (max-width:991.98px){
  .article-grid{grid-template-columns:minmax(0,1fr);gap:40px}
  .sidebar{position:static}
  .nav-cards{justify-content:flex-start}
  .subscribe-card{grid-template-columns:1fr;padding:30px}
}
@media (max-width:767.98px){
  .site-header{padding:10px 0 6px}
  .nav-panel{flex-wrap:wrap;gap:12px;padding:10px 12px}
  .nav-toggle{display:inline-flex;order:2;margin-left:auto}
  .nav-actions{order:3;width:100%;display:none}
  .nav-cards{
    order:4;display:none;width:100%;flex-direction:column;align-items:stretch;gap:8px;padding-top:6px;
  }
  .nav-panel.is-open .nav-cards{display:flex}
  .nav-panel.is-open .nav-actions{display:flex}
  .nav-card{justify-content:center;padding:11px 14px}
  .nav-card.is-active::after{display:none}
  .section{padding:56px 0}
  .container{padding-left:18px;padding-right:18px}
  .article-body{font-size:16.4px}
  .article-body h2{font-size:20.5px}
  .post-nav{grid-template-columns:1fr}
  .shelf{grid-auto-columns:220px}
  .crumbs .current{max-width:180px}
}
@media (max-width:519.98px){
  .brand-name{font-size:15.5px}
  .cover-figure{border-radius:var(--radius)}
  .subscribe-card{padding:22px}
  .subscribe-form{flex-direction:column;gap:8px;padding:8px}
  .subscribe-form button{width:100%;height:44px}
  .shelf{grid-auto-columns:190px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --bs-primary:#0F6BA8;
  --bs-primary-rgb:15,107,168;
  --bs-link-color:#0F6BA8;
  --bs-link-hover-color:#0A4C7A;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --bs-body-color:#12212E;
  --bs-border-color:#E3EBF2;
  --bs-border-radius:12px;
  --bs-border-radius-lg:16px;

  --brand:#0F6BA8;
  --brand-dark:#0A4C7A;
  --mint:#2FB6A8;
  --sun:#E8963A;
  --sun-dark:#cf8129;
  --bg:#F6F9FC;
  --card:#FFFFFF;
  --alt:#EDF4F9;
  --text:#12212E;
  --muted:#5A6B7A;
  --weak:#93A3B1;
  --border:#E3EBF2;
  --line:#EDF2F7;
  --ok:#2E9E7B;
  --warn:#D97706;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --r-xs:6px;
  --sh-xs:0 1px 2px rgba(15,54,84,.05);
  --sh-sm:0 2px 10px rgba(15,54,84,.06);
  --sh-md:0 12px 28px rgba(15,54,84,.10);
  --sh-lg:0 24px 48px rgba(15,54,84,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.3;color:var(--text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 顶部导航卡片面板 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  padding-top:12px;
  background:linear-gradient(180deg,rgba(246,249,252,.96) 0%,rgba(246,249,252,.72) 70%,rgba(246,249,252,0) 100%);
}
.nav-panel{
  display:flex;
  align-items:center;
  gap:18px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  padding:12px 18px;
  min-height:76px;
  transition:min-height .25s var(--ease),box-shadow .25s var(--ease),padding .25s var(--ease);
}
.site-header.is-scrolled .nav-panel{
  min-height:64px;
  padding:8px 18px;
  box-shadow:var(--sh-md);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:grid;place-items:center;
  border-radius:var(--r-md);
  background:linear-gradient(150deg,#E9F3FA,#D6E9F6);
  border:1px solid var(--border);
}
.brand-text{font-size:1.0625rem;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.nav-cards{display:flex;align-items:center;gap:8px;margin-left:auto}
.nav-card{
  display:inline-flex;align-items:center;
  padding:9px 13px;
  font-size:.875rem;
  color:var(--muted);
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-md);
  white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.nav-card:hover{background:var(--alt);color:var(--brand);border-color:#D3E5F2;transform:translateY(-1px)}
.nav-card.is-active{
  background:linear-gradient(180deg,#EAF4FB,#FFFFFF);
  color:var(--brand);
  font-weight:600;
  border-color:#CFE4F2;
  box-shadow:inset 0 -2px 0 var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  color:var(--brand);font-size:1rem;
  transition:background .2s var(--ease);
}
.nav-toggle:hover{background:var(--alt)}

/* ---------- 按钮 ---------- */
.btn-brand,.btn-ghost,.btn-text{display:inline-flex;align-items:center;gap:6px;transition:all .2s var(--ease);cursor:pointer;border:0}
.btn-brand{
  background:var(--sun);color:#fff;font-weight:600;font-size:.9375rem;
  padding:12px 20px;border-radius:var(--r-sm);box-shadow:var(--sh-xs);
}
.btn-brand:hover{background:var(--sun-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-brand:active{transform:translateY(1px);color:#fff}
.btn-ghost{
  background:#fff;color:var(--brand);font-weight:600;font-size:.9375rem;
  padding:12px 20px;border:1px solid #BEDCEE;border-radius:var(--r-sm);
}
.btn-ghost:hover{background:var(--alt);color:var(--brand-dark);border-color:var(--brand)}
.btn-ghost-light{
  background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.6);
}
.btn-ghost-light:hover{background:rgba(255,255,255,.22);color:#fff;border-color:#fff}
.btn-text{background:none;padding:0;font-size:.875rem;color:var(--brand);font-weight:600}
.btn-text i{transition:transform .2s var(--ease);font-size:.75rem}
.btn-text:hover i{transform:translateX(3px)}
.btn-sm-brand{padding:9px 16px;font-size:.875rem}

/* ---------- 页面横幅 ---------- */
.page-banner{
  position:relative;
  margin-top:-88px;
  padding:170px 0 64px;
  min-height:300px;
  background-image:linear-gradient(180deg,rgba(10,42,66,.62) 0%,rgba(10,42,66,.86) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  color:#fff;
}
.page-banner .container{position:relative;z-index:2}
.crumb{font-size:.8125rem;color:rgba(255,255,255,.78);margin-bottom:14px}
.crumb a{color:rgba(255,255,255,.9)}
.crumb a:hover{color:#fff}
.crumb span{margin:0 6px;opacity:.6}
.page-banner h1{
  color:#fff;
  font-size:clamp(1.7rem,3.6vw,2.6rem);
  letter-spacing:-.02em;
  max-width:760px;
}
.page-banner .banner-sub{
  margin-top:14px;
  max-width:620px;
  font-size:1rem;
  color:rgba(255,255,255,.86);
}
.banner-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.banner-tag{
  font-size:.8125rem;
  padding:6px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
  color:#fff;
}

/* ---------- 实时状态条 ---------- */
.live-bar{
  margin-top:-32px;
  position:relative;
  z-index:5;
}
.live-inner{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 28px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-md);
  padding:18px 24px;
}
.live-item{display:flex;align-items:center;gap:9px;font-size:.875rem;color:var(--muted)}
.live-item strong{color:var(--text);font-weight:700}
.live-dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--ok);
  box-shadow:0 0 0 0 rgba(46,158,123,.5);
  animation:pulse 2.4s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(46,158,123,.45)}
  70%{box-shadow:0 0 0 10px rgba(46,158,123,0)}
  100%{box-shadow:0 0 0 0 rgba(46,158,123,0)}
}
.live-item i{color:var(--brand)}
.live-bar .live-cta{margin-left:auto}

/* ---------- 通用区块 ---------- */
.section{padding:88px 0}
.section-alt{background:var(--alt);padding:80px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.section-head h2{
  position:relative;
  padding-left:14px;
  font-size:clamp(1.35rem,2.3vw,1.85rem);
}
.section-head h2::before{
  content:"";
  position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:999px;
  background:linear-gradient(180deg,var(--brand),var(--mint));
}
.section-desc{margin-top:10px;color:var(--muted);font-size:.9375rem;padding-left:14px}

/* ---------- 筛选标签条 ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:16px 18px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-xs);
  margin-bottom:32px;
}
.filter-label{font-size:.8125rem;color:var(--weak);margin-right:4px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;
  font-size:.8125rem;
  color:var(--muted);
  background:#fff;
  border:1px solid var(--border);
  border-radius:999px;
  transition:all .2s var(--ease);
}
.chip:hover{background:var(--alt);color:var(--brand);border-color:#CFE4F2}
.chip.is-active{background:var(--brand);color:#fff;border-color:var(--brand);font-weight:600}
.chip-mint{background:rgba(47,182,168,.1);color:#1F8C80;border-color:rgba(47,182,168,.24)}
.chip-mint:hover{background:rgba(47,182,168,.18);color:#17746A}
.filter-count{margin-left:auto;font-size:.8125rem;color:var(--weak)}
.filter-count strong{color:var(--brand);font-weight:700}

/* ---------- 海报卡网格 ---------- */
.poster-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.poster-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-xs);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
  display:flex;flex-direction:column;
}
.poster-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:#D6E7F3}
.poster-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--alt);
}
.poster-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .4s var(--ease);
}
.poster-card:hover .poster-media img{transform:scale(1.04)}
.poster-badge{
  position:absolute;top:10px;left:10px;
  font-size:.75rem;
  padding:4px 9px;
  border-radius:var(--r-xs);
  background:rgba(255,255,255,.92);
  color:var(--brand);
  font-weight:600;
  backdrop-filter:blur(2px);
}
.poster-play{
  position:absolute;right:10px;bottom:10px;
  width:34px;height:34px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(15,107,168,.92);
  color:#fff;font-size:.75rem;
  opacity:0;transform:translateY(6px);
  transition:opacity .25s var(--ease),transform .25s var(--ease);
}
.poster-card:hover .poster-play{opacity:1;transform:translateY(0)}
.poster-body{padding:16px;display:flex;flex-direction:column;gap:8px;flex:1}
.poster-title{
  font-size:1.0625rem;
  font-weight:700;
  line-height:1.45;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.poster-meta{font-size:.8125rem;color:var(--weak);margin-top:auto;display:flex;align-items:center;gap:8px}
.poster-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--weak);display:inline-block}

/* ---------- 主推大卡 + 侧列 ---------- */
.feature-card{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  min-height:340px;
  display:flex;align-items:flex-end;
  background-image:linear-gradient(180deg,rgba(10,42,66,.15) 0%,rgba(10,42,66,.88) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  box-shadow:var(--sh-sm);
  transition:box-shadow .25s var(--ease),transform .25s var(--ease);
}
.feature-card:hover{box-shadow:var(--sh-md);transform:translateY(-3px)}
.feature-body{padding:28px;color:#fff;max-width:560px}
.feature-body h3{color:#fff;font-size:1.4rem;margin-bottom:10px}
.feature-body p{color:rgba(255,255,255,.86);font-size:.9375rem}
.feature-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.feature-tags span{
  font-size:.75rem;padding:4px 10px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.26);color:#fff;
}
.mini-list{display:flex;flex-direction:column;gap:16px;height:100%}
.mini-card{
  display:flex;gap:14px;align-items:center;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:12px;
  box-shadow:var(--sh-xs);
  flex:1;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--sh-md)}
.mini-card img{
  width:96px;height:66px;flex:0 0 96px;object-fit:cover;border-radius:var(--r-md);
}
.mini-card h4{font-size:.9375rem;margin-bottom:6px}
.mini-card p{font-size:.8125rem;color:var(--weak)}

/* ---------- 数据看板 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.stat-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:24px;
  box-shadow:var(--sh-xs);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--sh-md)}
.stat-icon{
  width:42px;height:42px;border-radius:var(--r-md);
  display:grid;place-items:center;
  background:rgba(15,107,168,.08);
  color:var(--brand);
  margin-bottom:14px;
}
.stat-num{font-size:1.75rem;font-weight:800;letter-spacing:-.02em;color:var(--brand-dark)}
.stat-num small{font-size:.875rem;font-weight:600;color:var(--mint);margin-left:4px}
.stat-label{font-size:.9375rem;font-weight:600;margin-top:6px}
.stat-note{font-size:.8125rem;color:var(--weak);margin-top:4px}

/* ---------- 常见问题 ---------- */
.faq-accordion .accordion-item{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  overflow:hidden;
  margin-bottom:14px;
  box-shadow:var(--sh-xs);
}
.faq-accordion .accordion-button{
  background:var(--card);
  color:var(--text);
  font-size:1rem;
  font-weight:600;
  padding:20px 22px;
  box-shadow:none;
  border-radius:var(--r-lg);
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--brand)}
.faq-accordion .accordion-button:focus{box-shadow:0 0 0 3px rgba(15,107,168,.16);border-color:var(--brand)}
.faq-accordion .accordion-button::after{
  background-image:none;
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:.75rem;
  color:var(--brand);
  width:auto;height:auto;
  transition:transform .25s var(--ease);
  transform:none;
  display:grid;place-items:center;
}
.faq-accordion .accordion-button:not(.collapsed)::after{transform:rotate(180deg);color:var(--brand)}
.faq-accordion .accordion-body{padding:0 22px 22px;color:var(--muted);font-size:.9375rem}

/* ---------- 订阅 CTA ---------- */
.cta-panel{
  background:linear-gradient(120deg,#EAF4FB 0%,#DFF0F6 100%);
  border:1px solid #D3E7F4;
  border-radius:var(--r-lg);
  padding:44px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:32px;
  align-items:center;
}
.cta-panel h2{font-size:clamp(1.3rem,2.2vw,1.7rem)}
.cta-panel .cta-sub{color:var(--muted);margin-top:10px;font-size:.9375rem}
.subscribe-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-lg);
  padding:10px;
  display:flex;
  gap:8px;
  box-shadow:var(--sh-sm);
}
.subscribe-card input{
  flex:1;min-width:0;
  height:48px;
  border:1px solid var(--border);
  border-radius:var(--r-sm);
  padding:0 16px;
  font-size:.9375rem;
  color:var(--text);
  background:#fff;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.subscribe-card input::placeholder{color:var(--weak)}
.subscribe-card input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(15,107,168,.12);
}
.subscribe-card .btn-brand{border-radius:var(--r-sm);padding:0 22px;height:48px}
.form-note{font-size:.8125rem;color:var(--weak);margin-top:10px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--alt);border-top:1px solid var(--border);padding:64px 0 0;margin-top:0}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.brand-mark svg{display:block}
.footer-brand-name{font-size:1.0625rem;font-weight:700;color:var(--text)}
.footer-desc{color:var(--muted);font-size:.875rem;max-width:320px}
.footer-note{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:.8125rem;color:var(--brand);background:rgba(15,107,168,.08);padding:5px 12px;border-radius:999px}
.footer-title{font-size:.9375rem;color:var(--brand-dark);margin-bottom:14px;font-weight:700}
.footer-links li{margin-bottom:10px;font-size:.875rem;color:var(--muted)}
.footer-links a{color:var(--muted)}
.footer-links a:hover{color:var(--brand);text-decoration:underline}
.footer-bottom{
  margin-top:44px;
  border-top:1px solid var(--border);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:.8125rem;color:var(--weak);
}
.footer-bottom p{margin:0}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(10,42,66,.45);
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);
  z-index:1040;
}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;
  width:min(320px,86vw);
  background:var(--card);
  box-shadow:var(--sh-lg);
  transform:translateX(100%);
  transition:transform .3s var(--ease);
  z-index:1050;
  padding:22px;
  display:flex;flex-direction:column;gap:14px;
  overflow-y:auto;
}
body.drawer-open .drawer-mask{opacity:1;visibility:visible}
body.drawer-open .mobile-drawer{transform:translateX(0)}
.mobile-drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.drawer-close{width:40px;height:40px;border:1px solid var(--border);background:#fff;border-radius:var(--r-md);color:var(--brand)}
.drawer-card{
  display:block;
  padding:14px 16px;
  border:1px solid var(--border);
  border-radius:var(--r-md);
  color:var(--muted);
  font-size:.9375rem;
  background:#fff;
}
.drawer-card:hover{background:var(--alt);color:var(--brand)}
.drawer-card.is-active{background:linear-gradient(180deg,#EAF4FB,#fff);color:var(--brand);font-weight:600;border-color:#CFE4F2;box-shadow:inset 0 -2px 0 var(--brand)}
.drawer-foot{margin-top:auto;padding-top:14px}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .poster-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .nav-card{padding:8px 10px;font-size:.8125rem}
}
@media (max-width:991px){
  .nav-cards,.nav-actions .btn-brand{display:none}
  .nav-toggle{display:inline-flex}
  .nav-panel{justify-content:space-between}
  .section{padding:72px 0}
  .section-alt{padding:64px 0}
  .poster-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-panel{grid-template-columns:1fr;padding:32px}
  .page-banner{padding:150px 0 56px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .section-alt{padding:56px 0}
  .poster-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
  .poster-body{padding:14px}
  .poster-title{font-size:.9375rem}
  .live-inner{padding:16px 18px;gap:8px 18px}
  .live-bar .live-cta{margin-left:0;width:100%}
  .live-bar .live-cta .btn-brand{width:100%;justify-content:center}
  .section-head{flex-direction:column;align-items:flex-start;gap:8px}
  .feature-card{min-height:280px}
  .feature-body{padding:20px}
  .subscribe-card{flex-direction:column}
  .subscribe-card .btn-brand{width:100%;justify-content:center}
  .footer-bottom{flex-direction:column}
}
@media (max-width:420px){
  .poster-grid{grid-template-columns:1fr}
  .brand-text{font-size:1rem}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* roulang page: category2 */
:root{
  --brand:#0F6BA8;
  --brand-dark:#0A4C7A;
  --brand-tint:#F3F8FC;
  --teal:#2FB6A8;
  --accent:#E8963A;
  --accent-dark:#D07F26;
  --bg:#F6F9FC;
  --card:#FFFFFF;
  --alt:#EDF4F9;
  --text:#12212E;
  --muted:#5A6B7A;
  --weak:#93A3B1;
  --line:#E3EBF2;
  --divider:#EDF2F7;
  --ok:#2E9E7B;
  --warn:#D97706;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --sh-xs:0 1px 2px rgba(15,54,84,.05);
  --sh-sm:0 2px 10px rgba(15,54,84,.06);
  --sh-md:0 12px 28px rgba(15,54,84,.10);
  --sh-lg:0 24px 48px rgba(15,54,84,.14);
  --tf:.2s cubic-bezier(.2,.7,.3,1);
  --bs-primary:#0F6BA8;
  --bs-primary-rgb:15,107,168;
  --bs-link-color:#0F6BA8;
  --bs-link-hover-color:#0A4C7A;
  --bs-body-color:#12212E;
  --bs-body-bg:#F6F9FC;
  --bs-border-color:#E3EBF2;
  --bs-border-radius:12px;
  --bs-border-radius-lg:16px;
  --bs-font-sans-serif:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color var(--tf)}
a:hover{color:var(--brand-dark)}
button,input{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.28;letter-spacing:-.01em;color:var(--text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  padding:12px 0 0;
  background:linear-gradient(180deg,rgba(246,249,252,.98) 0%,rgba(246,249,252,.86) 70%,rgba(246,249,252,0) 100%);
  backdrop-filter:blur(10px);
}
.nav-panel{
  display:flex;align-items:center;gap:16px;
  background:var(--card);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  min-height:76px;
  padding:10px 16px;
  transition:box-shadow var(--tf),min-height var(--tf);
}
.site-header.is-scrolled .nav-panel{box-shadow:var(--sh-md);min-height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,#E7F1F9,#F6F9FC);
  border:1px solid var(--line);
}
.brand-text{font-size:17px;font-weight:700;color:var(--text);letter-spacing:-.02em;white-space:nowrap}
.nav-cards{
  display:flex;align-items:center;gap:8px;
  margin:0 auto;
  overflow-x:auto;scrollbar-width:none;
}
.nav-cards::-webkit-scrollbar{display:none}
.nav-card{
  flex:0 0 auto;
  padding:9px 14px;font-size:14px;color:var(--muted);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  white-space:nowrap;transition:background var(--tf),color var(--tf),border-color var(--tf),transform var(--tf);
}
.nav-card:hover{background:var(--alt);color:var(--brand);border-color:#CFE3F2}
.nav-card.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.nav-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.btn-brand{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 18px;border:none;border-radius:var(--r-sm);
  background:var(--accent);color:#fff;font-size:14px;font-weight:600;
  box-shadow:var(--sh-xs);transition:background var(--tf),transform var(--tf),box-shadow var(--tf);
}
.btn-brand:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-brand:active{transform:translateY(1px);box-shadow:var(--sh-xs)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 18px;border-radius:var(--r-sm);
  background:#fff;border:1px solid var(--brand);color:var(--brand);
  font-size:14px;font-weight:600;transition:background var(--tf),color var(--tf),transform var(--tf);
}
.btn-ghost:hover{background:var(--brand-tint);color:var(--brand-dark)}
.nav-toggle{
  display:none;align-items:center;gap:6px;
  padding:9px 14px;border-radius:var(--r-sm);
  background:#fff;border:1px solid var(--line);color:var(--brand);font-size:14px;font-weight:600;
}
.drawer-cta{display:none}

/* ============ 内页 Banner ============ */
.page-banner{
  position:relative;
  margin-top:-76px;
  padding:140px 0 66px;
  background-image:linear-gradient(180deg,rgba(10,42,66,.82) 0%,rgba(15,107,168,.62) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  color:#fff;
}
.page-banner h1{
  font-size:clamp(1.7rem,3.4vw,2.6rem);
  font-weight:700;color:#fff;max-width:760px;
  letter-spacing:-.02em;margin-bottom:14px;
}
.page-banner p{max-width:640px;font-size:16px;color:rgba(255,255,255,.88)}
.banner-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;margin-bottom:16px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
  font-size:13px;color:#fff;
}
.banner-actions{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap}
.banner-actions .btn-brand{padding:12px 22px}
.banner-actions .btn-line{
  display:inline-flex;align-items:center;gap:6px;
  padding:12px 22px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.55);color:#fff;
  font-size:14px;font-weight:600;transition:background var(--tf)
}
.banner-actions .btn-line:hover{background:rgba(255,255,255,.2);color:#fff}

/* ============ 数据条 ============ */
.stat-strip{margin-top:-38px;position:relative;z-index:5}
.stat-panel{
  background:var(--card);border-radius:var(--r-lg);box-shadow:var(--sh-md);
  padding:20px 8px;display:grid;grid-template-columns:repeat(4,1fr);gap:8px;
}
.stat-item{text-align:center;padding:6px 12px;border-right:1px solid var(--divider)}
.stat-item:last-child{border-right:none}
.stat-num{font-size:clamp(1.3rem,2.4vw,1.75rem);font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-label{font-size:13px;color:var(--muted);margin-top:4px}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section-alt{background:var(--alt)}
.section-head{margin-bottom:32px;display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.section-title{
  position:relative;padding-left:14px;
  font-size:clamp(1.3rem,2.2vw,1.85rem);font-weight:700;
}
.section-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--teal));
}
.section-sub{font-size:14px;color:var(--muted);margin-top:8px;padding-left:14px}
.section-link{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.section-link i{transition:transform var(--tf)}
.section-link:hover i{transform:translateX(3px)}

/* ============ 筛选 chip ============ */
.chip-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:999px;font-size:13px;
  background:#fff;border:1px solid var(--line);color:var(--muted);
  transition:background var(--tf),color var(--tf),border-color var(--tf);
}
.chip:hover{background:var(--alt);color:var(--brand);border-color:#CFE3F2}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.chip-teal{background:rgba(47,182,168,.12);border-color:transparent;color:#1B7C72}
.chip-blue{background:rgba(15,107,168,.1);border-color:transparent;color:var(--brand-dark)}
.chip-orange{background:rgba(232,150,58,.14);border-color:transparent;color:#A96518}
.chip-plain{background:var(--alt);border-color:transparent;color:var(--muted)}

/* ============ 榜单 ============ */
.rank-panel{
  background:var(--card);border-radius:var(--r-lg);box-shadow:var(--sh-sm);
  padding:18px 16px;position:sticky;top:104px;
}
.rank-panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;padding:0 4px}
.rank-panel-head h2{font-size:1.05rem;font-weight:700}
.rank-panel-head span{font-size:12px;color:var(--weak)}
.rank-list{display:flex;flex-direction:column;gap:2px}
.rank-item{
  display:flex;align-items:center;gap:12px;
  padding:10px 8px;border-radius:var(--r-md);
  transition:background var(--tf);
}
.rank-item:hover{background:var(--brand-tint)}
.rank-num{
  flex:0 0 auto;width:30px;text-align:center;
  font-size:1.35rem;font-weight:800;color:var(--weak);
  font-variant-numeric:tabular-nums;
}
.rank-item:nth-child(1) .rank-num,
.rank-item:nth-child(2) .rank-num,
.rank-item:nth-child(3) .rank-num{color:var(--accent)}
.rank-thumb{width:52px;height:52px;border-radius:var(--r-sm);object-fit:cover;flex:0 0 auto;background:var(--alt)}
.rank-body{flex:1 1 auto;min-width:0}
.rank-title{
  font-size:15px;font-weight:600;color:var(--text);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.rank-meta{display:flex;align-items:center;gap:8px;margin-top:4px;font-size:12px;color:var(--weak)}
.rank-meta .chip{padding:2px 8px;font-size:11px}
.heat-bar{height:4px;border-radius:999px;background:var(--divider);margin-top:7px;overflow:hidden}
.heat-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--teal))}

/* ============ 海报卡 ============ */
.poster-card{
  background:var(--card);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-xs);border:1px solid var(--line);height:100%;
  display:flex;flex-direction:column;
  transition:transform var(--tf),box-shadow var(--tf);
}
.poster-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.poster-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--alt)}
.poster-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s cubic-bezier(.2,.7,.3,1)}
.poster-card:hover .poster-media img{transform:scale(1.04)}
.poster-badge{
  position:absolute;left:10px;top:10px;
  padding:3px 9px;border-radius:6px;font-size:12px;font-weight:600;
  background:rgba(255,255,255,.92);color:var(--brand-dark);
}
.poster-play{
  position:absolute;right:10px;bottom:10px;
  width:34px;height:34px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(232,150,58,.94);color:#fff;font-size:12px;
  opacity:0;transform:translateY(6px);transition:opacity var(--tf),transform var(--tf);
}
.poster-card:hover .poster-play{opacity:1;transform:translateY(0)}
.poster-body{padding:14px 16px 16px;flex:1 1 auto;display:flex;flex-direction:column;gap:8px}
.poster-title{font-size:1.02rem;font-weight:600;line-height:1.45}
.poster-desc{font-size:13px;color:var(--muted);line-height:1.7}
.poster-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;font-size:12px;color:var(--weak)}

/* ============ 本期看点 ============ */
.feature-main{
  background:var(--card);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-sm);border:1px solid var(--line);height:100%;
  display:flex;flex-direction:column;
}
.feature-main .feature-media{aspect-ratio:16/9;overflow:hidden;background:var(--alt)}
.feature-main .feature-media img{width:100%;height:100%;object-fit:cover}
.feature-main .feature-body{padding:22px 22px 24px}
.feature-main h3{font-size:1.2rem;margin-bottom:10px}
.feature-main p{font-size:14.5px;color:var(--muted)}
.feature-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}
.mini-card{
  display:flex;gap:14px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:14px;box-shadow:var(--sh-xs);
  transition:box-shadow var(--tf),transform var(--tf);
}
.mini-card:hover{box-shadow:var(--sh-md);transform:translateY(-2px)}
.mini-card img{width:78px;height:78px;border-radius:var(--r-md);object-fit:cover;flex:0 0 auto;background:var(--alt)}
.mini-card h4{font-size:15px;font-weight:600;margin-bottom:6px}
.mini-card p{font-size:13px;color:var(--muted);line-height:1.6}
.mini-stack{display:flex;flex-direction:column;gap:16px;height:100%}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto}
.accordion-item{
  border:1px solid var(--line)!important;border-radius:14px!important;
  overflow:hidden;margin-bottom:12px;box-shadow:var(--sh-xs);
  background:#fff;
}
.accordion-button{
  font-size:16px;font-weight:600;color:var(--text);
  background:#fff;padding:18px 22px;
  box-shadow:none!important;
}
.accordion-button:not(.collapsed){
  color:var(--brand-dark);background:var(--brand-tint);
  border-left:4px solid var(--brand);
}
.accordion-button::after{
  background-image:none;
  content:"\f067";
  font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;
  width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;
  background-color:var(--alt);color:var(--brand);
  transition:transform var(--tf),background-color var(--tf),color var(--tf);
}
.accordion-button:not(.collapsed)::after{
  content:"\f068";background-color:var(--brand);color:#fff;transform:rotate(180deg);
}
.accordion-body{padding:16px 22px 22px;font-size:15px;color:var(--muted);line-height:1.85}

/* ============ CTA 订阅 ============ */
.cta-section{padding:96px 0}
.cta-card{
  background:linear-gradient(120deg,#EAF3FA 0%,#F6F9FC 60%,#FDF3E7 100%);
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:44px 40px;box-shadow:var(--sh-sm);
}
.cta-card h2{font-size:clamp(1.25rem,2vw,1.65rem);margin-bottom:10px}
.cta-card .cta-sub{font-size:14.5px;color:var(--muted);max-width:420px}
.subscribe-form{
  display:flex;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:5px;box-shadow:var(--sh-xs);
}
.subscribe-form input{
  flex:1 1 auto;min-width:0;border:none;background:transparent;
  padding:11px 14px;font-size:14.5px;color:var(--text);outline:none;
}
.subscribe-form input::placeholder{color:var(--weak)}
.subscribe-form button{
  flex:0 0 auto;border:none;border-radius:9px;
  padding:11px 20px;background:var(--accent);color:#fff;font-size:14px;font-weight:600;
  transition:background var(--tf),transform var(--tf);
}
.subscribe-form button:hover{background:var(--accent-dark);transform:translateY(-1px)}
.privacy-note{font-size:13px;color:var(--weak);margin-top:10px}
.form-msg{font-size:13px;margin-top:10px;color:var(--ok);display:none}
.form-msg.is-show{display:block}

/* ============ 页脚 ============ */
.site-footer{background:var(--alt);padding:64px 0 26px;margin-top:20px;border-top:1px solid var(--line)}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand-name{font-size:17px;font-weight:700;color:var(--text)}
.footer-desc{font-size:14px;color:var(--muted);max-width:320px;line-height:1.8}
.footer-note{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:14px;padding:5px 12px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:12.5px;color:var(--brand);
}
.footer-title{font-size:15px;font-weight:700;color:var(--brand-dark);margin-bottom:14px}
.footer-links li{margin-bottom:9px;font-size:14px;color:var(--muted)}
.footer-links a{color:var(--muted)}
.footer-links a:hover{color:var(--brand);text-decoration:underline}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid #DCE7F0;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--weak);
}
.footer-bottom p{margin:0}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .rank-panel{position:static}
}
@media (max-width:991.98px){
  .nav-toggle{display:inline-flex}
  .nav-cta .btn-brand{display:none}
  .nav-cards{
    position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);
    background:#fff;flex-direction:column;align-items:stretch;gap:10px;
    padding:84px 18px 24px;margin:0;
    transform:translateX(104%);transition:transform .28s cubic-bezier(.2,.7,.3,1);
    box-shadow:var(--sh-lg);overflow-y:auto;z-index:1045;
  }
  .nav-cards.is-open{transform:translateX(0)}
  .nav-card{width:100%;text-align:left;padding:13px 16px;font-size:15px}
  .drawer-cta{display:block;margin-top:10px}
  .drawer-cta .btn-brand{width:100%;justify-content:center;padding:13px 18px}
  .page-banner{margin-top:-70px;padding:120px 0 58px}
  .section{padding:72px 0}
  .stat-panel{grid-template-columns:repeat(2,1fr);gap:14px}
  .stat-item:nth-child(2){border-right:none}
  .cta-card{padding:34px 26px}
}
@media (max-width:767.98px){
  body{font-size:15.5px}
  .section{padding:56px 0}
  .section-head{align-items:flex-start}
  .stat-panel{grid-template-columns:repeat(2,1fr);padding:16px 6px}
  .stat-item{border-right:none;padding:8px 6px}
  .page-banner{margin-top:-66px;padding:104px 0 52px}
  .banner-actions .btn-brand,.banner-actions .btn-line{flex:1 1 100%;justify-content:center}
  .rank-panel{padding:14px 10px}
  .rank-thumb{width:46px;height:46px}
  .rank-num{width:24px;font-size:1.1rem}
  .cta-card{padding:28px 20px}
  .subscribe-form{flex-direction:column;padding:8px;gap:8px}
  .subscribe-form input{padding:10px 12px;border:1px solid var(--line);border-radius:9px}
  .subscribe-form button{width:100%;padding:12px 18px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px}
  .brand-text{font-size:15px}
  .section-title{font-size:1.25rem}
  .poster-body{padding:12px 14px 14px}
  .mini-card img{width:64px;height:64px}
}

/* roulang page: category3 */
:root{
  --brand:#0F6BA8;
  --brand-deep:#0A4C7A;
  --brand-soft:#EDF4F9;
  --teal:#2FB6A8;
  --accent:#E8963A;
  --accent-deep:#D4812A;
  --bg:#F6F9FC;
  --card:#FFFFFF;
  --alt:#EDF4F9;
  --text:#12212E;
  --muted:#5A6B7A;
  --soft:#93A3B1;
  --line:#E3EBF2;
  --divider:#EDF2F7;
  --ok:#2E9E7B;
  --warn:#D97706;
  --radius-lg:16px;
  --radius:12px;
  --radius-sm:10px;
  --shadow-xs:0 1px 2px rgba(15,54,84,.05);
  --shadow-sm:0 2px 10px rgba(15,54,84,.06);
  --shadow-md:0 12px 28px rgba(15,54,84,.10);
  --shadow-lg:0 24px 48px rgba(15,54,84,.14);
  --ease:cubic-bezier(.2,.7,.3,1);

  --bs-primary:#0F6BA8;
  --bs-primary-rgb:15,107,168;
  --bs-link-color:#0F6BA8;
  --bs-link-hover-color:#0A4C7A;
  --bs-body-color:#12212E;
  --bs-body-bg:#F6F9FC;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --bs-border-color:#E3EBF2;
  --bs-border-radius:12px;
  --bs-border-radius-lg:16px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand-deep);}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}
.section{padding:88px 0;}
.section--alt{background:var(--alt);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-title{font-size:clamp(1.4rem,2.4vw,2rem);position:relative;padding-left:16px;}
.section-title::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--brand);}
.section-sub{color:var(--muted);font-size:.95rem;margin-top:6px;padding-left:16px;}
.section-more{font-size:.9rem;color:var(--brand);white-space:nowrap;}
.section-more i{margin-left:6px;transition:transform .2s var(--ease);}
.section-more:hover i{transform:translateX(3px);}

/* 按钮 */
.btn-brand,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:44px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:.95rem;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.btn-brand{background:var(--accent);color:#fff;box-shadow:var(--shadow-sm);}
.btn-brand:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-brand:active{transform:translateY(1px);box-shadow:var(--shadow-xs);}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:var(--brand-deep);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:38px;padding:0 16px;font-size:.875rem;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:.9rem;font-weight:600;color:var(--brand);}
.link-arrow i{transition:transform .2s var(--ease);}
.link-arrow:hover i{transform:translateX(3px);}

/* 标签 */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:.8rem;line-height:1.5;
  background:rgba(47,182,168,.12);color:#1F7E74;border:1px solid transparent;
}
.chip-blue{background:rgba(15,107,168,.10);color:var(--brand-deep);}
.chip-orange{background:rgba(232,150,58,.14);color:#A9621E;}
.chip-muted{background:var(--alt);color:var(--muted);}
.badge-soft{
  display:inline-block;padding:4px 10px;border-radius:6px;font-size:.8rem;
  background:rgba(15,107,168,.10);color:var(--brand-deep);
}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:1030;
  padding:12px 0 8px;
  background:linear-gradient(180deg,rgba(246,249,252,.97),rgba(246,249,252,.78));
  backdrop-filter:blur(8px);
}
.nav-panel{
  display:flex;align-items:center;gap:18px;
  background:var(--card);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);padding:10px 16px;min-height:64px;
  transition:box-shadow .25s var(--ease);
}
.nav-panel.is-scrolled{box-shadow:var(--shadow-md);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand-soft);
  display:inline-flex;align-items:center;justify-content:center;
}
.brand-name{font-size:1.05rem;font-weight:700;color:var(--text);white-space:nowrap;letter-spacing:-.02em;}
.nav-cards{display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center;min-width:0;}
.nav-card{
  padding:8px 14px;border-radius:var(--radius);border:1px solid var(--line);
  font-size:.875rem;color:var(--muted);white-space:nowrap;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.nav-card:hover{background:var(--alt);color:var(--brand);border-color:transparent;}
.nav-card.is-active{background:var(--brand);color:#fff;border-color:var(--brand);}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  width:42px;height:42px;border-radius:var(--radius);border:1px solid var(--line);
  background:#fff;color:var(--brand);display:none;align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{background:var(--alt);}
.drawer-list{display:flex;flex-direction:column;gap:10px;padding:8px 0;}
.drawer-list .nav-card{display:block;text-align:left;padding:12px 14px;font-size:.95rem;}
.offcanvas{border-radius:0;max-width:82vw;}
.offcanvas-header{border-bottom:1px solid var(--divider);}

/* 页面 Banner */
.page-hero{
  position:relative;overflow:hidden;
  padding:64px 0 58px;
  background:var(--brand-deep) url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,42,66,.58),rgba(10,42,66,.86));
}
.page-hero .container{position:relative;z-index:1;}
.crumb{display:flex;align-items:center;gap:8px;font-size:.85rem;color:rgba(255,255,255,.75);margin-bottom:18px;}
.crumb a{color:rgba(255,255,255,.85);}
.crumb a:hover{color:#fff;}
.crumb .current{color:#fff;}
.page-hero h1{
  color:#fff;font-size:clamp(1.9rem,4vw,2.9rem);line-height:1.22;
  max-width:760px;letter-spacing:-.02em;
}
.hero-sub{color:rgba(255,255,255,.86);font-size:1.02rem;margin-top:14px;max-width:640px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.hero-tags .chip{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.24);}
.hero-tags .chip.is-key{background:var(--accent);color:#fff;border-color:transparent;}

/* 筛选条 */
.filter-bar{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-xs);padding:16px 20px;margin-top:-28px;position:relative;z-index:2;
}
.filter-label{font-size:.875rem;color:var(--soft);white-space:nowrap;}
.filter-chips{display:flex;flex-wrap:wrap;gap:10px;}
.filter-chips .chip{
  background:var(--alt);color:var(--muted);border:1px solid transparent;
  padding:7px 16px;font-size:.85rem;cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.filter-chips .chip:hover{background:var(--brand-soft);color:var(--brand);}
.filter-chips .chip.is-on{background:var(--brand);color:#fff;}

/* 专题交错列表 */
.topic-list{display:flex;flex-direction:column;gap:56px;}
.topic-row{
  display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center;
}
.topic-row--flip .topic-media{grid-column:2;grid-row:1;}
.topic-row--flip .topic-body{grid-column:1;grid-row:1;}
.topic-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  aspect-ratio:16/10;background:var(--alt);box-shadow:var(--shadow-sm);
}
.topic-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.topic-row:hover .topic-media img{transform:scale(1.03);}
.topic-badge{
  position:absolute;left:14px;top:14px;padding:5px 12px;border-radius:6px;
  background:rgba(255,255,255,.92);color:var(--brand-deep);font-size:.8rem;font-weight:600;
}
.topic-index{
  position:absolute;right:16px;bottom:12px;
  font-size:2rem;font-weight:800;color:rgba(255,255,255,.85);line-height:1;
  text-shadow:0 2px 12px rgba(10,42,66,.5);
}
.topic-body .chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}
.topic-title{font-size:clamp(1.25rem,2vw,1.6rem);margin-bottom:12px;}
.topic-desc{color:var(--muted);font-size:.95rem;line-height:1.9;}
.topic-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;
  margin-top:20px;padding-top:16px;border-top:1px solid var(--divider);
  font-size:.85rem;color:var(--soft);
}
.topic-meta i{margin-right:6px;color:var(--brand);}
.topic-meta .link-arrow{margin-left:auto;}

/* 数据条 */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-xs);padding:28px 24px;
}
.stat-item{text-align:left;padding-left:16px;border-left:3px solid var(--brand-soft);}
.stat-num{font-size:clamp(1.5rem,2.4vw,2rem);font-weight:800;color:var(--brand);line-height:1.2;}
.stat-label{font-size:.85rem;color:var(--muted);margin-top:6px;}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-xs);overflow:hidden;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:#fff;border:none;text-align:left;
  font-size:1rem;font-weight:600;color:var(--text);cursor:pointer;
  transition:background-color .2s var(--ease);
}
.faq-q:hover{background:var(--brand-soft);}
.faq-q .faq-icon{color:var(--brand);transition:transform .25s var(--ease);}
.faq-q[aria-expanded="true"] .faq-icon{transform:rotate(45deg);}
.faq-a{padding:0 22px 20px;color:var(--muted);font-size:.95rem;line-height:1.9;display:none;}
.faq-item.is-open .faq-a{display:block;}

/* CTA 订阅 */
.cta-panel{
  background:linear-gradient(120deg,var(--brand-soft),#fff 62%);
  border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);padding:44px;display:grid;
  grid-template-columns:1fr 1fr;gap:36px;align-items:center;
}
.cta-panel h2{font-size:clamp(1.3rem,2.2vw,1.75rem);margin-bottom:12px;}
.cta-panel p{color:var(--muted);font-size:.95rem;}
.subscribe-form{display:flex;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-xs);}
.subscribe-form input{
  flex:1;border:none;height:52px;padding:0 18px;font-size:.95rem;color:var(--text);outline:none;background:transparent;
}
.subscribe-form input::placeholder{color:var(--soft);}
.subscribe-form input:focus{box-shadow:inset 0 0 0 2px rgba(15,107,168,.35);}
.subscribe-form button{
  border:none;background:var(--accent);color:#fff;font-weight:600;font-size:.95rem;
  padding:0 24px;cursor:pointer;transition:background-color .2s var(--ease);
}
.subscribe-form button:hover{background:var(--accent-deep);}
.form-note{font-size:.8rem;color:var(--soft);margin-top:12px;}

/* 页脚 */
.site-footer{background:var(--alt);padding:64px 0 26px;margin-top:24px;border-top:1px solid var(--line);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.brand-mark svg{display:block;}
.footer-brand-name{font-weight:700;color:var(--text);font-size:1.02rem;}
.footer-desc{color:var(--muted);font-size:.9rem;line-height:1.85;max-width:320px;}
.footer-note{display:inline-flex;align-items:center;gap:8px;margin-top:14px;font-size:.82rem;color:var(--brand);background:#fff;border-radius:999px;padding:6px 14px;box-shadow:var(--shadow-xs);}
.footer-title{font-size:.95rem;color:var(--brand-deep);margin-bottom:16px;}
.footer-links li{margin-bottom:10px;font-size:.88rem;color:var(--muted);}
.footer-links a{color:var(--muted);}
.footer-links a:hover{color:var(--brand);text-decoration:underline;}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.82rem;color:var(--soft);
}

@media (max-width:1199.98px){
  .nav-card{padding:7px 11px;font-size:.83rem;}
}
@media (max-width:991.98px){
  .nav-cards{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-panel{justify-content:space-between;}
  .section{padding:72px 0;}
  .topic-row{grid-template-columns:1fr;gap:24px;}
  .topic-row--flip .topic-media{grid-column:1;grid-row:auto;}
  .topic-row--flip .topic-body{grid-column:1;grid-row:auto;}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:24px;}
  .cta-panel{grid-template-columns:1fr;padding:32px;}
}
@media (max-width:767.98px){
  .container{padding-left:18px;padding-right:18px;}
  .section{padding:56px 0;}
  .page-hero{padding:46px 0 42px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .filter-bar{margin-top:-22px;padding:14px 16px;}
  .topic-list{gap:42px;}
  .topic-meta{gap:12px;}
  .topic-meta .link-arrow{margin-left:0;width:100%;}
  .stat-strip{grid-template-columns:1fr;padding:22px 18px;}
  .stat-item{border-left:none;border-top:3px solid var(--brand-soft);padding-left:0;padding-top:12px;}
  .subscribe-form{flex-direction:column;}
  .subscribe-form input{height:50px;text-align:center;}
  .subscribe-form button{height:50px;width:100%;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .btn-brand,.btn-ghost{width:100%;}
  .nav-actions .btn-brand{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}

/* roulang page: category5 */
:root{
  --c-primary:#0F6BA8;
  --c-primary-dark:#0A4C7A;
  --c-secondary:#2FB6A8;
  --c-accent:#E8963A;
  --c-accent-dark:#D2822B;
  --bg-page:#F6F9FC;
  --bg-card:#FFFFFF;
  --bg-alt:#EDF4F9;
  --tx-1:#12212E;
  --tx-2:#5A6B7A;
  --tx-3:#93A3B1;
  --bd:#E3EBF2;
  --divider:#EDF2F7;
  --ok:#2E9E7B;
  --warn:#D97706;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --r-pill:999px;
  --sh-xs:0 1px 2px rgba(15,54,84,.05);
  --sh-sm:0 2px 10px rgba(15,54,84,.06);
  --sh-md:0 12px 28px rgba(15,54,84,.10);
  --sh-lg:0 24px 48px rgba(15,54,84,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#0F6BA8;
  --bs-primary-rgb:15,107,168;
  --bs-link-color:#0F6BA8;
  --bs-link-hover-color:#0A4C7A;
  --bs-body-color:#12212E;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --bs-border-color:#E3EBF2;
  --bs-border-radius:12px;
  --bs-border-radius-lg:16px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  background:var(--bg-page);
  color:var(--tx-1);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease);}
a:hover{color:var(--c-primary-dark);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--tx-1);letter-spacing:-.01em;}
p{margin:0 0 18px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}

.container{max-width:1200px;padding-left:24px;padding-right:24px;}
@media (max-width:767.98px){
  .container{padding-left:18px;padding-right:18px;}
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  padding-top:12px;
  padding-bottom:8px;
  background:linear-gradient(180deg,rgba(246,249,252,.97) 0%,rgba(246,249,252,.82) 62%,rgba(246,249,252,0) 100%);
  backdrop-filter:blur(10px);
}
.nav-shell{
  display:flex;
  align-items:center;
  gap:18px;
  background:var(--bg-card);
  border:1px solid var(--bd);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  padding:10px 16px;
  min-height:76px;
  transition:box-shadow .25s var(--ease),min-height .25s var(--ease);
}
.site-header.is-scrolled .nav-shell{
  box-shadow:var(--sh-md);
  min-height:64px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:17px;
  color:var(--tx-1);
  white-space:nowrap;
  flex-shrink:0;
}
.brand:hover{color:var(--c-primary);}
.brand-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-md);
  background:var(--bg-alt);
  flex-shrink:0;
}
.brand-name{letter-spacing:-.01em;}
.nav-cards{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  flex:1;
  min-width:0;
}
.nav-card{
  padding:8px 13px;
  border-radius:var(--r-md);
  border:1px solid transparent;
  font-size:14.5px;
  font-weight:500;
  color:var(--tx-2);
  white-space:nowrap;
}
.nav-card:hover{
  background:var(--bg-alt);
  color:var(--c-primary);
  border-color:var(--bd);
}
.nav-card.is-active{
  background:var(--c-primary);
  border-color:var(--c-primary);
  color:#fff;
}
.nav-card.is-active:hover{background:var(--c-primary-dark);border-color:var(--c-primary-dark);color:#fff;}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--bd);
  background:#fff;
  border-radius:var(--r-md);
  color:var(--c-primary);
  font-size:17px;
  cursor:pointer;
  transition:background-color .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle:hover{background:var(--bg-alt);border-color:var(--c-primary);}

/* ============ 按钮 ============ */
.btn-brand,.btn-ghost,.btn-line{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  border-radius:var(--r-sm);
  padding:11px 22px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  line-height:1.2;
}
.btn-brand{
  background:var(--c-accent);
  color:#fff;
  box-shadow:var(--sh-xs);
}
.btn-brand:hover{
  background:var(--c-accent-dark);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:var(--sh-md);
}
.btn-brand:active{transform:translateY(1px);box-shadow:var(--sh-xs);}
.btn-ghost{
  background:#fff;
  border-color:var(--c-primary);
  color:var(--c-primary);
}
.btn-ghost:hover{background:var(--bg-alt);color:var(--c-primary-dark);border-color:var(--c-primary-dark);}
.btn-line{
  background:transparent;
  border-color:rgba(255,255,255,.62);
  color:#fff;
}
.btn-line:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}
.btn-sm{padding:9px 16px;font-size:14px;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14.5px;
  font-weight:600;
  color:var(--c-primary);
}
.link-arrow i{transition:transform .2s var(--ease);font-size:12px;}
.link-arrow:hover i{transform:translateX(3px);}

/* ============ 内页 Banner ============ */
.page-hero{
  position:relative;
  margin-top:-14px;
  min-height:300px;
  display:flex;
  align-items:center;
  overflow:hidden;
  border-radius:0 0 var(--r-lg) var(--r-lg);
}
.page-hero-bg{
  position:absolute;inset:0;
  background-size:cover;
  background-position:center;
}
.page-hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,42,66,.55) 0%,rgba(10,42,66,.85) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding-top:48px;padding-bottom:48px;}
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13.5px;
  color:rgba(255,255,255,.78);
  margin-bottom:16px;
}
.crumb a{color:rgba(255,255,255,.86);}
.crumb a:hover{color:#fff;text-decoration:underline;}
.crumb span.sep{color:rgba(255,255,255,.45);}
.page-hero h1{
  font-size:clamp(1.75rem,3.6vw,2.7rem);
  line-height:1.24;
  color:#fff;
  letter-spacing:-.02em;
  max-width:800px;
}
.page-hero h1 .hl{color:#FFD9A8;}
.hero-sub{
  margin-top:14px;
  max-width:620px;
  font-size:16.5px;
  line-height:1.7;
  color:rgba(255,255,255,.86);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}
.hero-tag{
  font-size:13px;
  padding:5px 12px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.26);
  color:#fff;
}

/* ============ 筛选条 ============ */
.filter-bar-wrap{
  background:var(--bg-card);
  border-bottom:1px solid var(--divider);
}
.filter-bar{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  padding:18px 0;
}
.filter-bar .bar-label{
  font-size:14px;
  color:var(--tx-3);
  margin-right:4px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 15px;
  border-radius:var(--r-pill);
  border:1px solid var(--bd);
  background:#fff;
  color:var(--tx-2);
  font-size:13.5px;
  font-weight:500;
  cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.chip:hover{background:var(--bg-alt);color:var(--c-primary);border-color:#CFE1EE;}
.chip.is-on{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}

/* ============ 区块 ============ */
.section{padding:96px 0;}
.section-alt{background:var(--bg-alt);}
@media (max-width:991.98px){.section{padding:72px 0;}}
@media (max-width:575.98px){
  .section{padding:56px 0;}
  .page-hero{min-height:260px;border-radius:0;}
  .page-hero-inner{padding-top:36px;padding-bottom:36px;}
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:42px;
  flex-wrap:wrap;
}
.section-head h2{
  position:relative;
  padding-left:16px;
  font-size:clamp(1.4rem,2.4vw,2rem);
  line-height:1.34;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:.2em;bottom:.2em;
  width:4px;
  border-radius:2px;
  background:var(--c-primary);
}
.section-sub{
  padding-left:16px;
  margin-top:8px;
  font-size:14.5px;
  color:var(--tx-2);
  max-width:640px;
}
@media (max-width:575.98px){
  .section-head{margin-bottom:28px;}
  .section-head h2{font-size:1.3rem;}
}

/* ============ 价值卡片 ============ */
.value-card{
  height:100%;
  background:var(--bg-card);
  border:1px solid var(--bd);
  border-radius:var(--r-lg);
  padding:26px 24px;
  box-shadow:var(--sh-xs);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.value-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);}
.value-icon{
  width:46px;height:46px;
  border-radius:var(--r-md);
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(47,182,168,.12);
  color:#1E8C81;
  font-size:19px;
  margin-bottom:16px;
}
.value-card h3{font-size:1.1rem;margin-bottom:10px;}
.value-card p{font-size:14.5px;color:var(--tx-2);line-height:1.72;margin:0;}

/* ============ 交错图文 ============ */
.feature-row + .feature-row{margin-top:72px;}
.feature-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-sm);
  aspect-ratio:16/10;
  background:var(--bg-alt);
}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.feature-media:hover img{transform:scale(1.03);}
.feature-badge{
  display:inline-block;
  font-size:13px;
  padding:4px 11px;
  border-radius:6px;
  background:rgba(15,107,168,.1);
  color:var(--c-primary-dark);
  font-weight:600;
  margin-bottom:14px;
}
.feature-body h3{font-size:1.35rem;margin-bottom:14px;}
.feature-body p{color:var(--tx-2);font-size:15px;line-height:1.8;}
.tagline{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{
  font-size:12.5px;
  padding:4px 11px;
  border-radius:6px;
  background:rgba(47,182,168,.12);
  color:#1E8C81;
  font-weight:500;
}

/* ============ 统计条 ============ */
.stat-band{
  background:var(--c-primary-dark);
  border-radius:var(--r-lg);
  padding:40px 32px;
  color:#fff;
}
.stat-item{text-align:left;}
.stat-num{
  font-size:clamp(1.7rem,3vw,2.3rem);
  font-weight:800;
  line-height:1.15;
  font-variant-numeric:tabular-nums;
  color:#fff;
}
.stat-num small{font-size:.55em;font-weight:600;margin-left:2px;color:rgba(255,255,255,.78);}
.stat-label{
  margin-top:6px;
  font-size:14px;
  color:rgba(255,255,255,.76);
  line-height:1.6;
}
.stat-divider{
  width:1px;
  background:rgba(255,255,255,.16);
}
@media (max-width:767.98px){
  .stat-band{padding:28px 20px;}
  .stat-divider{display:none;}
  .stat-item{margin-bottom:22px;}
  .stat-item:last-child{margin-bottom:0;}
}

/* ============ 流程 ============ */
.step-card{
  position:relative;
  background:var(--bg-card);
  border:1px solid var(--bd);
  border-radius:var(--r-lg);
  padding:26px 22px 24px;
  height:100%;
  box-shadow:var(--sh-xs);
  transition:box-shadow .25s var(--ease),transform .25s var(--ease);
}
.step-card:hover{box-shadow:var(--sh-md);transform:translateY(-3px);}
.step-num{
  font-size:15px;
  font-weight:800;
  color:#fff;
  width:34px;height:34px;
  border-radius:var(--r-md);
  background:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;
  margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:1.05rem;margin-bottom:10px;}
.step-card p{font-size:14.5px;color:var(--tx-2);margin:0;line-height:1.72;}

/* ============ 栏目小卡 ============ */
.mini-card{
  display:flex;
  align-items:flex-start;
  gap:14px;
  height:100%;
  background:var(--bg-card);
  border:1px solid var(--bd);
  border-radius:var(--r-lg);
  padding:20px;
  box-shadow:var(--sh-xs);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.mini-card:hover{transform:translateY(-3px);box-shadow:var(--sh-md);border-color:#CFE1EE;}
.mini-icon{
  width:40px;height:40px;
  flex-shrink:0;
  border-radius:var(--r-md);
  background:var(--bg-alt);
  color:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;
}
.mini-card h3{font-size:1rem;margin-bottom:6px;color:var(--tx-1);}
.mini-card p{font-size:13.8px;color:var(--tx-2);margin:0;line-height:1.65;}
.mini-card .count{
  display:inline-block;
  margin-top:10px;
  font-size:12.5px;
  font-weight:600;
  color:var(--c-secondary);
}

/* ============ 标签墙 ============ */
.tagwall{display:flex;flex-wrap:wrap;gap:10px;}
.tagwall .chip{cursor:default;}
.tagwall .chip.is-solid{background:var(--c-primary);color:#fff;border-color:var(--c-primary);}

/* ============ FAQ ============ */
.accordion-item{
  background:#fff;
  border:1px solid var(--bd);
  border-radius:var(--r-md);
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--sh-xs);
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-button{
  font-size:16px;
  font-weight:600;
  color:var(--tx-1);
  background:#fff;
  padding:19px 22px;
  box-shadow:none;
  border:0;
}
.accordion-button:not(.collapsed){
  color:var(--c-primary);
  background:#F1F7FB;
  box-shadow:none;
}
.accordion-button:focus{box-shadow:none;border:0;}
.accordion-button::after{
  width:20px;height:20px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230F6BA8' stroke-width='2.4' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E");
  background-size:20px 20px;
  transition:transform .25s var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:rotate(135deg);}
.accordion-body{
  padding:4px 22px 22px;
  font-size:14.8px;
  color:var(--tx-2);
  line-height:1.8;
  background:#F1F7FB;
}

/* ============ 订阅 CTA ============ */
.cta-box{
  background:#E4F0F8;
  border:1px solid #CFE1EE;
  border-radius:var(--r-lg);
  padding:44px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
}
.cta-box h2{font-size:clamp(1.3rem,2.2vw,1.7rem);margin-bottom:10px;}
.cta-box p{color:var(--tx-2);font-size:15px;margin:0;max-width:460px;}
.subscribe-form{
  display:flex;
  align-items:stretch;
  background:#fff;
  border:1px solid var(--bd);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-xs);
  min-width:360px;
  flex:1;
  max-width:520px;
}
.subscribe-form input{
  flex:1;
  border:0;
  height:50px;
  padding:0 18px;
  font-size:15px;
  color:var(--tx-1);
  background:#fff;
  outline:none;
  min-width:0;
}
.subscribe-form input::placeholder{color:var(--tx-3);}
.subscribe-form input:focus{box-shadow:inset 0 0 0 2px rgba(15,107,168,.35);}
.subscribe-form button{
  border:0;
  background:var(--c-accent);
  color:#fff;
  font-weight:600;
  font-size:15px;
  padding:0 26px;
  cursor:pointer;
  transition:background-color .2s var(--ease);
  white-space:nowrap;
}
.subscribe-form button:hover{background:var(--c-accent-dark);}
.privacy-note{
  margin-top:12px;
  font-size:13px;
  color:var(--tx-3);
}
@media (max-width:767.98px){
  .cta-box{padding:30px 22px;gap:22px;}
  .subscribe-form{flex-direction:column;min-width:0;width:100%;border-radius:var(--r-md);}
  .subscribe-form input{height:48px;width:100%;}
  .subscribe-form button{height:48px;width:100%;}
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-alt);
  border-top:1px solid var(--bd);
  padding:64px 0 28px;
  margin-top:8px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand-name{font-weight:700;font-size:17px;color:var(--tx-1);}
.footer-desc{font-size:14px;color:var(--tx-2);line-height:1.75;max-width:340px;}
.footer-note{
  display:inline-flex;
  align-items:center;
  gap:7px;
  margin-top:14px;
  font-size:13px;
  color:var(--c-primary);
  background:rgba(15,107,168,.09);
  padding:6px 12px;
  border-radius:var(--r-pill);
}
.footer-title{
  font-size:15px;
  font-weight:700;
  color:var(--c-primary-dark);
  margin-bottom:16px;
}
.footer-links li{margin-bottom:11px;font-size:14px;color:var(--tx-2);}
.footer-links a{color:var(--tx-2);font-size:14px;}
.footer-links a:hover{color:var(--c-primary);text-decoration:underline;}
.footer-bottom{
  margin-top:46px;
  padding-top:22px;
  border-top:1px solid var(--divider);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
}
.footer-bottom p{margin:0;font-size:13px;color:var(--tx-3);}

/* ============ 移动端抽屉 ============ */
.nav-drawer{width:320px;}
.nav-drawer .offcanvas-header{border-bottom:1px solid var(--divider);padding:18px 20px;}
.nav-drawer .offcanvas-title{font-size:16px;font-weight:700;}
.nav-drawer .offcanvas-body{padding:18px 20px;}
.drawer-nav .nav-card{
  display:flex;
  align-items:center;
  justify-content:space-between;
  width:100%;
  padding:14px 16px;
  margin-bottom:10px;
  border:1px solid var(--bd);
  border-radius:var(--r-md);
  background:#fff;
  font-size:15px;
  color:var(--tx-2);
}
.drawer-nav .nav-card:hover{background:var(--bg-alt);color:var(--c-primary);}
.drawer-nav .nav-card.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
.drawer-cta{
  padding:16px 20px 22px;
  border-top:1px solid var(--divider);
}

@media (max-width:991.98px){
  .nav-cards{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-shell{min-height:64px;}
  .brand{font-size:16px;}
}
@media (max-width:575.98px){
  .nav-actions .btn-brand{display:none;}
  .brand-name{font-size:15px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category4 */
:root{
  --brand:#0F6BA8;
  --brand-dark:#0A4C7A;
  --brand-soft:#E7F1F8;
  --teal:#2FB6A8;
  --teal-dark:#1F8C81;
  --accent:#E8963A;
  --accent-dark:#D2801F;
  --bg:#F6F9FC;
  --bg-alt:#EDF4F9;
  --card:#FFFFFF;
  --text:#12212E;
  --text-2:#5A6B7A;
  --text-3:#93A3B1;
  --border:#E3EBF2;
  --line:#EDF2F7;
  --r-sm:12px;
  --r-md:16px;
  --r-btn:10px;
  --sh-xs:0 1px 2px rgba(15,54,84,.05);
  --sh-sm:0 2px 10px rgba(15,54,84,.06);
  --sh-md:0 12px 28px rgba(15,54,84,.10);
  --sh-lg:0 24px 48px rgba(15,54,84,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#0F6BA8;
  --bs-primary-rgb:15,107,168;
  --bs-link-color:#0F6BA8;
  --bs-link-hover-color:#0A4C7A;
  --bs-body-color:#12212E;
  --bs-border-color:#E3EBF2;
  --bs-border-radius:12px;
  --bs-border-radius-lg:16px;
  --bs-body-font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-dark)}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.3}
p{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* 容器 */
.container{width:100%;max-width:1248px;margin:0 auto;padding-inline:24px}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  padding-top:12px;
  background:linear-gradient(180deg,rgba(246,249,252,.97),rgba(246,249,252,.75) 68%,rgba(246,249,252,0));
}
.nav-panel{
  display:flex;
  align-items:center;
  gap:18px;
  min-height:76px;
  padding:10px 14px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  box-shadow:var(--sh-sm);
  transition:box-shadow .25s var(--ease),min-height .25s var(--ease);
}
.site-header.is-scrolled .nav-panel{box-shadow:var(--sh-md);min-height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;
  border-radius:10px;
  background:var(--brand-soft);
  display:grid;place-items:center;
}
.brand-name{font-size:17px;font-weight:700;color:var(--text);white-space:nowrap;letter-spacing:-.01em}
.brand:hover .brand-name{color:var(--brand-dark)}
.nav-cards{display:flex;align-items:center;gap:8px;margin:0 auto}
.nav-card{
  padding:8px 13px;
  border-radius:12px;
  border:1px solid transparent;
  color:var(--text-2);
  font-size:14.5px;
  white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.nav-card:hover{background:var(--bg-alt);color:var(--brand);border-color:var(--border)}
.nav-card.is-active{
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-weight:600;
  border-color:rgba(15,107,168,.2);
  box-shadow:inset 0 -2px 0 var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:12px;
  cursor:pointer;
  transition:background .2s var(--ease),border-color .2s var(--ease);
}
.nav-toggle:hover{background:var(--bg-alt);border-color:rgba(15,107,168,.25)}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-dark)}

/* 移动端抽屉 */
.nav-drawer{position:fixed;inset:0;z-index:1045;display:none}
.nav-drawer.is-open{display:block}
.drawer-scrim{position:absolute;inset:0;background:rgba(10,42,66,.45)}
.drawer-panel{
  position:relative;
  margin:12px;
  padding:16px;
  max-height:calc(100vh - 24px);
  overflow:auto;
  background:var(--card);
  border-radius:var(--r-md);
  box-shadow:var(--sh-lg);
  animation:drawerDrop .25s var(--ease);
}
@keyframes drawerDrop{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:none}}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{
  width:40px;height:40px;
  border:1px solid var(--border);
  border-radius:12px;
  background:var(--card);
  color:var(--text-2);
  cursor:pointer;
}
.drawer-close:hover{background:var(--bg-alt);color:var(--brand)}
.drawer-links{display:grid;gap:10px;margin:16px 0}
.drawer-link{
  display:flex;align-items:center;gap:10px;
  padding:13px 14px;
  border:1px solid var(--border);
  border-radius:12px;
  color:var(--text);
  font-size:15px;
}
.drawer-link i{color:var(--brand);width:18px;text-align:center}
.drawer-link:hover{background:var(--bg-alt);color:var(--brand)}
.drawer-link.is-active{background:var(--brand-soft);border-color:rgba(15,107,168,.22);color:var(--brand-dark);font-weight:600}
.drawer-cta{width:100%;justify-content:center}

/* ============ 按钮 ============ */
.btn-brand,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  padding:11px 20px;
  cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.btn-brand{background:var(--accent);color:#fff;border:1px solid var(--accent);box-shadow:var(--sh-xs)}
.btn-brand:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-brand:active{transform:translateY(1px)}
.btn-ghost{background:var(--card);color:var(--brand);border:1px solid var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-1px)}
.btn-sm{padding:8px 16px;font-size:14px}
.btn-lg{padding:14px 26px;font-size:16px}

/* ============ 页头 Banner ============ */
.page-hero{
  position:relative;
  margin-top:16px;
  padding:70px 0 88px;
  background:
    linear-gradient(180deg,rgba(10,42,66,.58),rgba(10,42,66,.86)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color:#fff;
}
.crumb{font-size:13.5px;color:rgba(255,255,255,.75);margin-bottom:16px}
.crumb a{color:rgba(255,255,255,.88)}
.crumb a:hover{color:#fff;text-decoration:underline}
.page-hero h1{
  font-size:clamp(1.65rem,3.3vw,2.5rem);
  line-height:1.24;
  color:#fff;
  max-width:800px;
  letter-spacing:-.02em;
}
.hero-sub{margin-top:16px;font-size:16.5px;color:rgba(255,255,255,.86);max-width:680px}
.hero-tags{margin-top:24px;display:flex;flex-wrap:wrap;gap:10px}
.hero-tag{
  font-size:13px;
  padding:6px 13px;
  border-radius:999px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.26);
  color:#fff;
}

/* ============ 数据条 ============ */
.stats{position:relative;z-index:2;margin-top:-46px}
.stat-card{
  height:100%;
  display:flex;flex-direction:column;gap:4px;
  padding:18px 20px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  box-shadow:var(--sh-sm);
  transition:box-shadow .22s var(--ease),transform .22s var(--ease);
}
.stat-card:hover{box-shadow:var(--sh-md);transform:translateY(-3px)}
.stat-num{
  font-size:1.7rem;
  font-weight:800;
  line-height:1.1;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.stat-label{font-size:13.5px;color:var(--text-2)}

/* ============ 筛选 chip ============ */
.filter-bar{padding:30px 0 4px}
.chips{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.chip{
  font-size:13.5px;
  padding:7px 15px;
  border-radius:999px;
  background:var(--card);
  border:1px solid var(--border);
  color:var(--text-2);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.chip:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.chip.is-on{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}

/* ============ 板块 ============ */
.section{padding:78px 0}
.section-tight{padding-top:56px}
.section-alt{background:var(--bg-alt)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}
.section-title{
  position:relative;
  padding-left:15px;
  font-size:clamp(1.35rem,2.3vw,1.85rem);
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;top:.22em;bottom:.22em;
  width:4px;
  border-radius:2px;
  background:var(--brand);
}
.section-lead{margin-top:12px;font-size:15px;color:var(--text-2);max-width:760px}

/* ============ 分类目录卡 ============ */
.dir-card{
  position:relative;
  display:flex;
  align-items:center;
  gap:16px;
  height:100%;
  padding:20px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  box-shadow:var(--sh-xs);
  color:var(--text);
  overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.dir-card::after{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:var(--brand);
  transform:scaleY(0);
  transform-origin:top;
  transition:transform .25s var(--ease);
}
.dir-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(15,107,168,.28);color:var(--text)}
.dir-card:hover::after{transform:scaleY(1)}
.dir-icon{
  width:48px;height:48px;flex:0 0 48px;
  display:grid;place-items:center;
  border-radius:12px;
  font-size:19px;
  background:var(--brand-soft);
  color:var(--brand);
  transition:background .22s var(--ease),color .22s var(--ease);
}
.dir-card:hover .dir-icon{background:var(--brand);color:#fff}
.dir-card.accent-teal .dir-icon{background:rgba(47,182,168,.14);color:var(--teal-dark)}
.dir-card.accent-teal:hover .dir-icon{background:var(--teal);color:#fff}
.dir-card.accent-teal::after{background:var(--teal)}
.dir-card.accent-warm .dir-icon{background:rgba(232,150,58,.15);color:var(--accent-dark)}
.dir-card.accent-warm:hover .dir-icon{background:var(--accent);color:#fff}
.dir-card.accent-warm::after{background:var(--accent)}
.dir-body{display:flex;flex-direction:column;gap:5px;min-width:0}
.dir-title{font-size:17px;font-weight:700;color:var(--text)}
.dir-desc{font-size:13.8px;line-height:1.6;color:var(--text-2)}
.dir-count{
  margin-left:auto;flex:0 0 auto;
  font-size:12.5px;font-weight:600;
  padding:5px 11px;
  border-radius:6px;
  background:rgba(47,182,168,.13);
  color:var(--teal-dark);
  font-variant-numeric:tabular-nums;
}
.dir-card.accent-warm .dir-count{background:rgba(232,150,58,.15);color:var(--accent-dark)}
.dir-card.accent-brand .dir-count{background:var(--brand-soft);color:var(--brand-dark)}

/* ============ 标签云 ============ */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  font-size:13.6px;
  padding:8px 16px;
  border-radius:999px;
  background:var(--card);
  border:1px solid var(--border);
  color:var(--text-2);
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.tag:hover{background:var(--brand-soft);color:var(--brand);border-color:rgba(15,107,168,.3);transform:translateY(-2px)}
.tag.is-hot{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.tag.is-hot:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff}

/* ============ 海报卡 ============ */
.poster-card{
  display:block;
  height:100%;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-xs);
  color:var(--text);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.poster-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);color:var(--text)}
.poster-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt)}
.poster-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.poster-card:hover .poster-media img{transform:scale(1.04)}
.poster-badge{
  position:absolute;left:12px;top:12px;
  font-size:12.5px;font-weight:600;
  padding:4px 10px;
  border-radius:6px;
  background:rgba(255,255,255,.93);
  color:var(--brand-dark);
}
.poster-body{padding:16px 18px 20px}
.poster-title{font-size:16.5px;font-weight:700}
.poster-text{margin-top:8px;font-size:13.8px;line-height:1.65;color:var(--text-2)}
.poster-meta{margin-top:12px;font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:8px}
.poster-meta i{color:var(--brand)}

/* ============ 步骤卡 ============ */
.step-card{
  height:100%;
  padding:26px 22px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  box-shadow:var(--sh-xs);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md)}
.step-num{
  display:block;
  font-size:2rem;font-weight:800;line-height:1;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
}
.step-title{margin-top:14px;font-size:17px}
.step-text{margin-top:9px;font-size:14.2px;color:var(--text-2);line-height:1.7}

/* ============ FAQ ============ */
.faq-list{max-width:900px}
.faq-item{
  background:var(--card);
  border:1px solid var(--border)!important;
  border-radius:14px;
  overflow:hidden;
  margin-bottom:12px;
  box-shadow:var(--sh-xs);
}
.faq-q{
  width:100%;
  padding:18px 20px;
  background:var(--card)!important;
  border:0!important;
  box-shadow:none!important;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  text-align:left;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.faq-q:not(.collapsed){color:var(--brand-dark);background:var(--brand-soft)!important}
.faq-q::after{
  flex:0 0 22px;
  width:22px;height:22px;
  margin-left:16px;
  background-image:none;
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:13px;
  color:var(--brand);
  display:grid;place-items:center;
  transition:transform .25s var(--ease);
}
.faq-q:not(.collapsed)::after{transform:rotate(-180deg)}
.faq-q:focus{box-shadow:none!important;outline:2px solid var(--brand);outline-offset:-2px}
.faq-a{padding:16px 20px 20px;font-size:14.8px;line-height:1.8;color:var(--text-2)}

/* ============ CTA ============ */
.cta-panel{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:38px;
  align-items:center;
  padding:48px 42px;
  background:linear-gradient(135deg,#E7F1F8 0%,#F6F9FC 65%,#EDF4F9 100%);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  box-shadow:var(--sh-sm);
}
.cta-title{font-size:clamp(1.3rem,2.2vw,1.7rem)}
.cta-text{margin-top:12px;font-size:15px;color:var(--text-2);max-width:460px}
.subscribe-form{
  display:flex;
  gap:6px;
  padding:6px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:12px;
  box-shadow:var(--sh-xs);
}
.subscribe-form input{
  flex:1;
  min-width:0;
  padding:12px 14px;
  border:0;
  border-radius:8px;
  background:transparent;
  color:var(--text);
  font-size:15px;
  font-family:inherit;
}
.subscribe-form input:focus{outline:none;box-shadow:0 0 0 4px rgba(15,107,168,.14)}
.subscribe-form button{
  flex:0 0 auto;
  padding:12px 22px;
  border:0;
  border-radius:8px;
  background:var(--accent);
  color:#fff;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  white-space:nowrap;
  transition:background .2s var(--ease),transform .2s var(--ease);
}
.subscribe-form button:hover{background:var(--accent-dark);transform:translateY(-1px)}
.subscribe-form button:active{transform:translateY(1px)}
.form-note{margin-top:12px;font-size:12.8px;color:var(--text-3)}
.form-msg{margin-top:10px;font-size:13.5px;color:var(--teal-dark);min-height:20px}
.form-msg.is-error{color:#D97706}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:26px;
  padding:66px 0 28px;
  background:var(--bg-alt);
  border-top:1px solid var(--border);
}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand-name{font-size:17px;font-weight:700;color:var(--text)}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.8;color:var(--text-2);max-width:330px}
.footer-note{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:16px;
  padding:5px 12px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-size:12.8px;
}
.footer-title{margin-bottom:16px;font-size:15px;color:var(--brand-dark)}
.footer-links li{margin-bottom:10px;font-size:14px;color:var(--text-2)}
.footer-links a{font-size:14px;color:var(--text-2)}
.footer-links a:hover{color:var(--brand);text-decoration:underline}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:46px;
  padding-top:22px;
  border-top:1px solid var(--border);
  font-size:13px;
  color:var(--text-3);
}
.footer-bottom p{margin:0}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .nav-card{padding:7px 10px;font-size:13.5px}
  .brand-name{font-size:15.5px}
  .nav-panel{gap:12px}
}
@media (max-width:991.98px){
  .nav-cards{display:none}
  .nav-toggle{display:flex}
  .nav-actions .btn-brand{display:none}
  .section{padding:64px 0}
  .section-tight{padding-top:48px}
  .page-hero{padding:56px 0 82px}
  .cta-panel{grid-template-columns:1fr;gap:26px;padding:34px 26px}
  .footer-desc{max-width:100%}
}
@media (max-width:767.98px){
  .stats{margin-top:-36px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:26px}
  .hero-sub{font-size:15.5px}
  .stat-num{font-size:1.45rem}
}
@media (max-width:575.98px){
  .container{padding-inline:18px}
  .section{padding:52px 0}
  .page-hero{padding:48px 0 74px}
  .dir-card{padding:16px;gap:12px}
  .dir-icon{width:42px;height:42px;flex-basis:42px;font-size:17px}
  .dir-title{font-size:16px}
  .subscribe-form{flex-direction:column;padding:10px}
  .subscribe-form button{width:100%}
  .poster-body{padding:14px 15px 18px}
  .step-card{padding:22px 18px}
  .footer-bottom{flex-direction:column;gap:6px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important}
}