/* roulang page: index */
:root{
  --brand-900:#0E2A52;
  --brand-700:#1D4E9E;
  --brand-500:#2E6FD6;
  --brand-100:#E7EFFB;
  --accent:#FF6A2B;
  --accent-soft:#FFF1E8;
  --mint:#12A87A;
  --ink:#0F1B2D;
  --ink-2:#47566E;
  --ink-3:#8492A6;
  --line:#E4EAF3;
  --bg:#F5F7FB;
  --surface:#FFFFFF;
  --bs-primary:#1D4E9E;
  --bs-body-bg:#F5F7FB;
  --bs-body-color:#47566E;
  --bs-border-color:#E4EAF3;
  --bs-border-radius:14px;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-link-color:#1D4E9E;
  --bs-link-hover-color:#0E2A52;
  --radius-sm:10px;
  --radius-md:14px;
  --radius-lg:20px;
  --shadow-1:0 2px 8px rgba(15,27,45,.06),0 12px 28px rgba(15,27,45,.06);
  --shadow-2:0 10px 22px rgba(15,27,45,.10),0 20px 44px rgba(15,27,45,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.78;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--brand-700);text-decoration:none;transition:color .24s var(--ease)}
a:hover{color:var(--brand-900)}
h1,h2,h3,h4,h5{color:var(--ink);margin:0;font-weight:700;line-height:1.32;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.container{max-width:1200px;padding-left:24px;padding-right:24px}
@media (max-width:575px){.container{padding-left:16px;padding-right:16px}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1040;background:#fff;box-shadow:0 1px 0 var(--line)}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(15,27,45,.08)}
.nav-main{height:72px;display:flex;align-items:center;gap:20px}
.logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;color:var(--ink);letter-spacing:-.02em;white-space:nowrap}
.logo:hover{color:var(--brand-700)}
.logo-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(135deg,var(--brand-700),var(--brand-500));display:grid;place-items:center;color:#fff;font-size:14px;font-weight:800;letter-spacing:0}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{padding:9px 15px;border-radius:999px;font-size:15px;font-weight:500;color:var(--ink-2)}
.nav-links a:hover{background:var(--brand-100);color:var(--brand-700)}
.nav-links a.active{background:var(--brand-100);color:var(--brand-700);font-weight:600}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:14px}
.nav-search{position:relative;display:block}
.nav-search input{
  height:42px;width:220px;border-radius:999px;border:1px solid var(--line);
  padding:0 44px 0 18px;font-size:14px;background:#fff;color:var(--ink);transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(46,111,214,.14)}
.nav-search .search-icon{position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--ink-3);font-size:14px;pointer-events:none}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:17px;align-items:center;justify-content:center}
.nav-toggle:hover{background:var(--brand-100);color:var(--brand-700)}
.channel-bar{border-top:1px solid var(--line);background:#fff}
.channel-scroll{display:flex;align-items:center;gap:10px;height:48px;overflow-x:auto;scrollbar-width:none}
.channel-scroll::-webkit-scrollbar{display:none}
.pill{flex:0 0 auto;display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink-2);font-size:14px;font-weight:500;white-space:nowrap;transition:all .24s var(--ease)}
.pill:hover{border-color:var(--brand-500);color:var(--brand-700)}
.pill.active{background:var(--brand-700);border-color:var(--brand-700);color:#fff;font-weight:600}
.pill .dot{width:6px;height:6px;border-radius:50%;background:var(--mint)}

/* ---------- buttons ---------- */
.btn-brand,.btn-ghost,.btn-outline-brand,.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all .24s var(--ease);white-space:nowrap;
}
.btn-brand{background:var(--brand-700);color:#fff}
.btn-brand:hover{background:var(--brand-900);color:#fff;transform:translateY(-2px)}
.btn-outline-brand{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-outline-brand:hover{background:var(--brand-100);color:var(--brand-700);border-color:var(--brand-100)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:#e85a1d;color:#fff;transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.42)}
.btn-ghost:hover{background:#fff;color:var(--brand-900);border-color:#fff}
.btn-brand:focus-visible,.btn-outline-brand:focus-visible,.btn-accent:focus-visible,.btn-ghost:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
@media (max-width:575px){
  .btn-brand,.btn-ghost,.btn-outline-brand,.btn-accent{height:48px}
}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:76px 0 88px;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  background-color:var(--brand-900);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(14,42,82,.97) 0%,rgba(14,42,82,.90) 36%,rgba(29,78,158,.52) 68%,rgba(29,78,158,.14) 100%);
}
.hero .container{position:relative;z-index:2}
.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,.24);color:#EAF2FF;font-size:13px;font-weight:600;letter-spacing:.02em;
}
.hero-eyebrow .live-dot{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(18,168,122,.22)}
.hero h1{
  margin-top:22px;color:#fff;
  font-size:46px;font-weight:800;letter-spacing:-.02em;line-height:1.22;
}
.hero-sub{margin-top:18px;max-width:520px;color:rgba(233,240,252,.86);font-size:17px;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.hero-badges li{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:#DCE7F8;background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:7px 15px;
}
.hero-badges li i{color:var(--accent)}
.hero-stage{position:relative;display:flex;justify-content:flex-end;padding-bottom:34px}
.hero-cover{
  margin:0;width:min(330px,78%);border-radius:20px;overflow:hidden;
  border:1px solid rgba(255,255,255,.20);box-shadow:0 26px 60px rgba(5,18,38,.45);
}
.hero-cover img{width:100%;aspect-ratio:3/4;object-fit:cover}
.hero-mini{
  position:absolute;left:4px;bottom:0;width:220px;background:#fff;border-radius:16px;overflow:hidden;
  box-shadow:0 18px 40px rgba(5,18,38,.32);
}
.hero-mini img{width:100%;aspect-ratio:16/9;object-fit:cover}
.hero-mini-meta{padding:11px 14px;font-size:13px;color:var(--ink-2);display:flex;align-items:center;gap:8px}
.hero-mini-meta i{color:var(--mint)}
@media (max-width:991px){
  .hero{padding:56px 0 66px}
  .hero h1{font-size:34px}
  .hero-stage{margin-top:44px;justify-content:flex-start;padding-bottom:0}
  .hero-cover{width:min(300px,86%)}
  .hero-mini{position:static;width:100%;max-width:300px;margin-top:18px}
}
@media (max-width:575px){
  .hero{padding:44px 0 52px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{flex:1 1 46%}
}

/* ---------- section base ---------- */
.section{padding:88px 0}
.section-alt{background:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{font-size:32px}
.section-sub{margin-top:10px;font-size:15px;color:var(--ink-3)}
.section-eyebrow{display:block;font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--brand-500);margin-bottom:10px;text-transform:uppercase}
.more-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700)}
.more-link:hover{gap:10px;color:var(--brand-900)}
.rail-tools{display:flex;align-items:center;gap:10px}
.rail-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--ink-2);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:all .24s var(--ease);
}
.rail-btn:hover{background:var(--brand-700);border-color:var(--brand-700);color:#fff}
@media (max-width:991px){.section{padding:64px 0}.section-head h2{font-size:26px}}
@media (max-width:575px){.section{padding:52px 0}.section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:26px}.section-head h2{font-size:23px}}

/* ---------- badges ---------- */
.badge-cat{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-700);font-size:13px;font-weight:600;
}
.badge-accent{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:var(--accent-soft);color:var(--accent);font-size:13px;font-weight:700;
}
.meta-time{font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.meta-time i{margin-right:5px}

/* ---------- rail ---------- */
.rail{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:4px 0 14px;scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none}
.rail-item{flex:0 0 248px;scroll-snap-align:start}
.rail-card{display:block;background:transparent}
.rail-media{position:relative;border-radius:var(--radius-md);overflow:hidden;background:var(--brand-100);box-shadow:var(--shadow-1)}
.rail-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s var(--ease)}
.rail-card:hover .rail-media img{transform:scale(1.03)}
.rail-card:hover .rail-media{box-shadow:var(--shadow-2)}
.rail-corner{position:absolute;left:10px;top:10px}
.rail-title{
  margin-top:14px;font-size:15.5px;font-weight:600;color:var(--ink);line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rail-card:hover .rail-title{color:var(--brand-700)}
.rail-meta{margin-top:8px}
@media (max-width:575px){.rail-item{flex:0 0 180px}.rail-title{font-size:14.5px}}

/* ---------- hot ---------- */
.hot-grid{display:grid;grid-template-columns:5fr 7fr;gap:36px;align-items:start}
.hot-feature{display:block;border-radius:var(--radius-lg);overflow:hidden;background:var(--brand-100);box-shadow:var(--shadow-1);position:relative}
.hot-feature img{width:100%;aspect-ratio:2/3;object-fit:cover;transition:transform .5s var(--ease)}
.hot-feature:hover img{transform:scale(1.03)}
.hot-feature:hover{box-shadow:var(--shadow-2)}
.hot-feature-body{position:absolute;left:0;right:0;bottom:0;padding:22px;color:#fff;z-index:2}
.hot-feature-body::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,42,82,0) 0%,rgba(14,42,82,.86) 100%);z-index:-1}
.hot-feature-body h3{color:#fff;font-size:20px;line-height:1.5}
.hot-feature-body p{margin-top:8px;font-size:13.5px;color:rgba(233,240,252,.85)}
.hot-list{border-top:1px solid var(--line)}
.hot-row{display:flex;gap:20px;align-items:center;padding:20px 16px;border-bottom:1px solid var(--line);transition:background .24s var(--ease),padding-left .24s var(--ease)}
.hot-row:hover{background:var(--brand-100);padding-left:22px}
.hot-num{
  flex:0 0 auto;font-size:30px;font-weight:800;color:var(--accent);
  font-family:Inter,"DIN Alternate",system-ui,sans-serif;letter-spacing:-.03em;
  min-width:48px;font-variant-numeric:tabular-nums;
}
.hot-body h3{font-size:16.5px;font-weight:600;line-height:1.6}
.hot-body h3 a{color:var(--ink)}
.hot-body h3 a:hover{color:var(--brand-700)}
.hot-body .hot-desc{margin-top:6px;font-size:13.5px;color:var(--ink-3)}
.hot-body .hot-meta{margin-top:8px;display:flex;gap:14px;align-items:center}
@media (max-width:991px){
  .hot-grid{grid-template-columns:1fr;gap:28px}
  .hot-feature{max-width:420px}
}

/* ---------- channel grid ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-auto-rows:186px;gap:20px}
.channel-card{position:relative;display:block;border-radius:var(--radius-md);overflow:hidden;background:var(--brand-900);box-shadow:var(--shadow-1);transition:transform .24s var(--ease),box-shadow .24s var(--ease)}
.channel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.channel-card img{width:100%;height:100%;object-fit:cover;opacity:.92}
.channel-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,42,82,.05) 30%,rgba(14,42,82,.86) 100%)}
.channel-body{position:absolute;left:0;right:0;bottom:0;padding:16px 18px;z-index:2;color:#fff}
.channel-body h3{color:#fff;font-size:16px;font-weight:600;line-height:1.5}
.channel-body .channel-meta{margin-top:8px;display:flex;align-items:center;gap:10px;font-size:12.5px;color:rgba(233,240,252,.88)}
.channel-body .channel-meta i{color:var(--mint)}
.c-feature{grid-area:1 / 1 / 3 / 3}
.c-a{grid-area:1 / 3 / 2 / 4}
.c-b{grid-area:1 / 4 / 2 / 5}
.c-c{grid-area:2 / 3 / 3 / 4}
.c-d{grid-area:2 / 4 / 3 / 5}
.c-e{grid-area:3 / 1 / 4 / 3}
.c-f{grid-area:3 / 3 / 4 / 5}
.c-feature .channel-body h3{font-size:22px}
.c-feature .channel-body{padding:24px}
@media (max-width:991px){
  .channel-grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:170px}
  .c-feature{grid-area:1 / 1 / 2 / 3}
  .c-a{grid-area:2 / 1 / 3 / 2}
  .c-b{grid-area:2 / 2 / 3 / 3}
  .c-c{grid-area:3 / 1 / 4 / 2}
  .c-d{grid-area:3 / 2 / 4 / 3}
  .c-e{grid-area:4 / 1 / 5 / 2}
  .c-f{grid-area:4 / 2 / 5 / 3}
  .c-feature .channel-body h3{font-size:19px}
}
@media (max-width:575px){
  .channel-grid{grid-template-columns:1fr;grid-auto-rows:172px}
  .c-feature,.c-a,.c-b,.c-c,.c-d,.c-e,.c-f{grid-area:auto}
  .c-feature{grid-row:span 1}
}

/* ---------- news (cms) ---------- */
.news-card{
  height:100%;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-md);padding:24px;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D6E2F5}
.news-title{margin-top:14px;font-size:18px;font-weight:600;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a{color:var(--ink)}
.news-title a:hover{color:var(--brand-700)}
.news-summary{
  margin-top:12px;font-size:14.5px;line-height:1.8;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{margin-top:auto;padding-top:20px;display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);margin-top:20px}
.news-foot a{font-size:14px;font-weight:600;color:var(--brand-700)}
.news-foot a:hover{color:var(--brand-900)}
.empty-state{
  min-height:180px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  border:1px dashed var(--line);border-radius:var(--radius-md);background:#fff;color:var(--ink-3);
  text-align:center;padding:32px 20px;
}
.empty-state i{font-size:26px;color:var(--brand-500)}
.empty-state p{font-size:15px}

/* ---------- faq ---------- */
.faq-col{display:flex;flex-direction:column}
.accordion-item{border:1px solid var(--line)!important;border-radius:var(--radius-md)!important;background:#fff;margin-bottom:14px;overflow:hidden}
.accordion-button{
  font-size:16px;font-weight:600;color:var(--ink);background:#fff;
  padding:20px 22px;box-shadow:none!important;border-radius:0!important;
}
.accordion-button:not(.collapsed){
  background:var(--bg);color:var(--brand-700);
  box-shadow:inset 3px 0 0 var(--brand-700)!important;
}
.accordion-button:focus{box-shadow:none!important;border-color:var(--line)!important}
.accordion-button::after{background-size:14px;width:14px;height:14px}
.accordion-body{padding:4px 22px 22px;font-size:15px;line-height:1.85;color:var(--ink-2)}

/* ---------- subscribe cta ---------- */
.cta{
  position:relative;overflow:hidden;padding:84px 0;
  background:var(--brand-900);
}
.cta::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.20;
}
.cta::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(14,42,82,.94) 0%,rgba(14,42,82,.78) 60%,rgba(29,78,158,.55) 100%);
}
.cta .container{position:relative;z-index:2}
.cta h2{color:#fff;font-size:32px;line-height:1.35}
.cta p{margin-top:16px;color:rgba(233,240,252,.86);font-size:15.5px;line-height:1.85;max-width:560px}
.cta-form{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-lg);padding:26px}
.cta-form label{display:block;font-size:13.5px;font-weight:600;color:#EAF2FF;margin-bottom:10px}
.cta-form input{
  width:100%;height:46px;border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.96);padding:0 16px;font-size:15px;color:var(--ink);
}
.cta-form input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(46,111,214,.28)}
.cta-form .btn-accent{width:100%;margin-top:14px}
.cta-note{margin-top:14px;font-size:12.5px;color:rgba(233,240,252,.72);line-height:1.7}
@media (max-width:575px){.cta{padding:56px 0}.cta h2{font-size:24px}}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-900);color:rgba(233,240,252,.78);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px}
.footer-logo{display:flex;align-items:center;gap:10px;color:#fff;font-size:19px;font-weight:800}
.footer-logo .logo-mark{background:linear-gradient(135deg,var(--brand-500),var(--accent))}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(233,240,252,.68);max-width:320px}
.footer-social{display:flex;gap:12px;margin-top:22px}
.footer-social a{
  width:40px;height:40px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);color:#fff;font-size:15px;transition:all .24s var(--ease);
}
.footer-social a:hover{background:var(--brand-500);color:#fff;transform:translateY(-3px)}
.footer-col h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:20px;letter-spacing:.02em}
.footer-col li{margin-bottom:12px}
.footer-col a{font-size:14px;color:rgba(233,240,252,.72)}
.footer-col a:hover{color:var(--brand-100)}
.footer-contact li{display:flex;gap:10px;font-size:14px;margin-bottom:14px;color:rgba(233,240,252,.72)}
.footer-contact i{color:var(--brand-500);margin-top:4px}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(233,240,252,.58);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;border-radius:999px;
  border:1px solid rgba(255,255,255,.24);color:#fff;font-size:13px;background:transparent;cursor:pointer;
  transition:all .24s var(--ease);
}
.to-top:hover{background:#fff;color:var(--brand-900);border-color:#fff}
@media (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .nav-links,.nav-search{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .nav-right{margin-left:auto}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .site-footer{padding-top:52px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
/* ---------- offcanvas ---------- */
.offcanvas{max-width:300px}
.drawer-head{padding:20px 22px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.drawer-body{padding:18px 12px 24px}
.drawer-body a.drawer-link{
  display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:12px;
  font-size:15.5px;font-weight:500;color:var(--ink-2);
}
.drawer-body a.drawer-link:hover,.drawer-body a.drawer-link.active{background:var(--brand-100);color:var(--brand-700);font-weight:600}
.drawer-body .drawer-link i{width:18px;text-align:center;color:var(--brand-500)}
.drawer-foot{padding:16px 22px 26px;border-top:1px solid var(--line)}
.drawer-foot .btn-brand{width:100%}

/* roulang page: article */
:root{
  --brand-900:#0E2A52;
  --brand-700:#1D4E9E;
  --brand-500:#2E6FD6;
  --brand-100:#E7EFFB;
  --accent:#FF6A2B;
  --accent-soft:#FFF1E8;
  --mint:#12A87A;
  --ink:#0F1B2D;
  --ink-2:#47566E;
  --ink-3:#8492A6;
  --line:#E4EAF3;
  --bg:#F5F7FB;
  --surface:#FFFFFF;
  --radius-sm:10px;
  --radius:14px;
  --radius-lg:20px;
  --shadow-sm:0 2px 8px rgba(15,27,45,.06);
  --shadow-md:0 2px 8px rgba(15,27,45,.06),0 12px 28px rgba(15,27,45,.06);
  --shadow-lg:0 4px 14px rgba(15,27,45,.10),0 20px 44px rgba(15,27,45,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Inter","DIN Alternate","PingFang SC",system-ui,sans-serif;
  --wrap:1200px;
  --nav-h:72px;
  --bs-primary:#1D4E9E;
  --bs-primary-rgb:29,78,158;
  --bs-body-bg:#F5F7FB;
  --bs-body-color:#47566E;
  --bs-border-color:#E4EAF3;
  --bs-border-radius:14px;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --bs-link-color:#1D4E9E;
  --bs-link-hover-color:#0E2A52;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:0}
a{color:var(--brand-700);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand-900)}
h1,h2,h3,h4,h5{color:var(--ink);margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0 0 18px}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
input,select,button{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px}
.container{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:88px 0}
.section-tight{padding:56px 0}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-head h2{font-size:32px;line-height:1.3}
.section-head p{margin:8px 0 0;font-size:15px;color:var(--ink-3)}
.section-link{font-size:14px;font-weight:600;color:var(--brand-700);display:inline-flex;align-items:center;gap:6px}
.section-link:hover{gap:10px}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  transition:background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--brand-700);color:#fff;box-shadow:0 6px 16px rgba(29,78,158,.24)}
.btn-primary:hover{background:var(--brand-900);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(14,42,82,.26)}
.btn-outline{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-outline:hover{background:var(--brand-100);color:var(--brand-900);border-color:var(--brand-500)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,106,43,.28)}
.btn-accent:hover{background:#EB5A1C;color:#fff;transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn:active{transform:translateY(0)}

/* ===== 头部 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-sm)}
.header-top{height:var(--nav-h);display:flex;align-items:center}
.header-top-inner{display:flex;align-items:center;gap:24px;width:100%}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;
  background:linear-gradient(135deg,var(--brand-700),var(--brand-900));
  color:#fff;font-family:var(--font-num);font-weight:700;font-size:14px;letter-spacing:.5px;
}
.brand-text{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.brand:hover .brand-text{color:var(--brand-700)}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-links a{
  position:relative;
  padding:9px 14px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  color:var(--ink-2);
}
.nav-links a:hover{background:var(--brand-100);color:var(--brand-900)}
.nav-links a.active{background:var(--brand-700);color:#fff}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-pill{
  display:flex;align-items:center;gap:8px;
  height:42px;padding:0 16px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--bg);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.search-pill i{color:var(--ink-3);font-size:14px}
.search-pill input{
  border:0;background:transparent;outline:none;
  width:170px;font-size:14px;color:var(--ink);
}
.search-pill:focus-within{border-color:var(--brand-500);background:#fff;box-shadow:0 0 0 3px rgba(46,111,214,.14)}
.menu-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:#fff;color:var(--ink);cursor:pointer;
  align-items:center;justify-content:center;
}
.menu-toggle:hover{background:var(--brand-100)}
.channel-bar{border-top:1px solid var(--line);background:#fff}
.channel-bar-inner{
  height:48px;display:flex;align-items:center;gap:10px;
  overflow-x:auto;scrollbar-width:none;
}
.channel-bar-inner::-webkit-scrollbar{display:none}
.channel-pill{
  flex:0 0 auto;
  height:32px;padding:0 16px;
  display:inline-flex;align-items:center;
  border:1px solid var(--line);
  border-radius:999px;
  background:#fff;
  font-size:13.5px;font-weight:600;color:var(--ink-2);
  transition:all .22s var(--ease);
}
.channel-pill:hover{border-color:var(--brand-500);color:var(--brand-900);background:var(--brand-100)}
.channel-pill.is-active{background:var(--brand-700);border-color:var(--brand-700);color:#fff}

/* ===== 抽屉 ===== */
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,27,45,.48);
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
  z-index:1040;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:296px;max-width:86vw;
  background:#fff;z-index:1050;
  transform:translateX(102%);
  transition:transform .28s var(--ease);
  display:flex;flex-direction:column;
  padding:18px 20px 26px;
  box-shadow:var(--shadow-lg);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{
  width:38px;height:38px;border:1px solid var(--line);border-radius:10px;
  background:#fff;color:var(--ink);cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{
  padding:13px 14px;border-radius:var(--radius-sm);
  font-size:15.5px;font-weight:600;color:var(--ink);
}
.drawer-nav a:hover,.drawer-nav a.active{background:var(--brand-100);color:var(--brand-900)}
.drawer-cta{margin-top:auto;width:100%}

/* ===== 面包屑 ===== */
.crumb-wrap{background:var(--brand-900)}
.crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  padding:16px 0;
  font-size:13px;color:rgba(255,255,255,.66);
}
.crumb a{color:rgba(255,255,255,.86)}
.crumb a:hover{color:#fff}
.crumb .sep{opacity:.5}
.crumb .current{color:#fff;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ===== 文章头部 ===== */
.article-hero{
  position:relative;
  background:var(--brand-900);
  color:#fff;
  overflow:hidden;
}
.article-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.34;
}
.article-hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(14,42,82,.96) 0%,rgba(14,42,82,.86) 46%,rgba(29,78,158,.52) 100%);
}
.article-hero .container{position:relative;z-index:2;padding-top:52px;padding-bottom:56px}
.article-hero h1{
  color:#fff;
  font-size:38px;
  line-height:1.34;
  font-weight:800;
  letter-spacing:-.02em;
  max-width:820px;
}
.hero-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:24px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.18);
  font-size:13.5px;
  color:rgba(255,255,255,.74);
}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 14px;
  border-radius:999px;
  background:var(--brand-100);
  color:var(--brand-700);
  font-size:13px;font-weight:600;
}
.article-hero .badge-cat{background:rgba(255,255,255,.16);color:#fff}
.badge-live{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:999px;
  background:rgba(18,168,122,.2);
  color:#7CE3BE;font-size:13px;font-weight:600;
}
.badge-live i{font-size:7px}
.meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-item i{opacity:.72}
.meta-num{font-family:var(--font-num);font-weight:600}

/* ===== 文章布局 ===== */
.article-main{padding:56px 0 80px}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:40px;
  justify-content:center;
}
.article-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  padding:44px 48px 52px;
}
.article-panel-head{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;margin-bottom:28px;padding-bottom:18px;
  border-bottom:1px solid var(--line);
}
.article-panel-head span{font-size:13px;font-weight:600;color:var(--ink-3);letter-spacing:.06em}
.article-panel-head .share{display:flex;gap:10px}
.article-panel-head .share a{
  width:32px;height:32px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--bg);color:var(--ink-2);font-size:13px;
}
.article-panel-head .share a:hover{background:var(--brand-100);color:var(--brand-700)}

/* ===== 正文排版 ===== */
.article-body{font-size:16.5px;line-height:1.9;color:var(--ink-2);max-width:780px}
.article-body p{margin:0 0 20px}
.article-body h2{
  position:relative;
  margin:44px 0 16px;
  padding-left:14px;
  font-size:24px;
  line-height:1.45;
  font-weight:700;
  color:var(--ink);
  scroll-margin-top:120px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.38em;
  width:3px;height:.95em;border-radius:2px;background:var(--brand-700);
}
.article-body h3{
  margin:34px 0 14px;
  font-size:19px;font-weight:600;color:var(--ink);
  scroll-margin-top:120px;
}
.article-body strong{color:var(--ink);font-weight:700}
.article-body a{border-bottom:1px solid rgba(29,78,158,.32)}
.article-body a:hover{border-bottom-color:var(--brand-900)}
.article-body blockquote{
  margin:28px 0;
  padding:20px 22px;
  border-left:4px solid var(--brand-700);
  background:var(--bg);
  border-radius:0 var(--radius) var(--radius) 0;
  color:var(--ink-2);
  font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:4px}
.article-body li{position:relative;padding-left:22px;margin-bottom:12px}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;
  width:8px;height:8px;border-radius:2px;background:var(--brand-700);
}
.article-body ol{counter-reset:item}
.article-body ol li{counter-increment:item}
.article-body ol li::before{
  content:counter(item);
  position:absolute;left:0;top:.42em;
  width:16px;height:16px;border-radius:4px;
  background:var(--brand-100);color:var(--brand-700);
  font-size:11px;font-weight:700;font-family:var(--font-num);
  display:inline-flex;align-items:center;justify-content:center;
}
.article-body img{
  width:100%;height:auto;border-radius:12px;
  margin:26px 0 10px;
  box-shadow:var(--shadow-sm);
}
.article-body figure{margin:28px 0}
.article-body figcaption{
  font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:26px 0;
  font-size:15px;border:1px solid var(--line);
  border-radius:var(--radius-sm);overflow:hidden;
}
.article-body th,.article-body td{
  padding:12px 14px;border:1px solid var(--line);text-align:left;
}
.article-body th{background:var(--brand-100);color:var(--brand-900);font-weight:600}
.article-body tbody tr:nth-child(even){background:#FAFBFE}
.table-scroll{overflow-x:auto;margin:26px 0;-webkit-overflow-scrolling:touch}
.table-scroll table{margin:0;min-width:520px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0}

/* ===== 空态 ===== */
.empty-state{
  border:1px dashed var(--line);
  background:#FAFBFE;
  border-radius:var(--radius);
  min-height:200px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;text-align:center;padding:32px 24px;
}
.empty-state i{font-size:26px;color:var(--brand-500)}
.empty-state p{margin:0;color:var(--ink-3);font-size:15px}
.empty-state .btn{margin-top:6px}

/* ===== 侧栏 ===== */
.article-side{display:flex;flex-direction:column;gap:22px}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  padding:22px 22px 24px;
}
.side-card h3{
  font-size:15px;font-weight:700;color:var(--ink);
  display:flex;align-items:center;gap:8px;margin-bottom:16px;
}
.side-card h3::before{
  content:"";width:3px;height:14px;border-radius:2px;background:var(--accent);
}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-item a{
  display:block;padding:8px 10px;border-radius:8px;
  font-size:14px;color:var(--ink-2);line-height:1.55;
  border-left:2px solid transparent;
}
.toc-item a:hover{background:var(--brand-100);color:var(--brand-900);border-left-color:var(--brand-700)}
.toc-sub a{padding-left:22px;font-size:13.5px;color:var(--ink-3)}
.rel-list{display:flex;flex-direction:column;gap:16px}
.rel-list a{display:flex;gap:12px;align-items:flex-start}
.rel-list img{width:84px;height:56px;object-fit:cover;border-radius:8px;flex:0 0 auto}
.rel-list .rel-t{
  font-size:14px;font-weight:600;color:var(--ink);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rel-list a:hover .rel-t{color:var(--brand-700)}
.rel-list .rel-d{font-size:12.5px;color:var(--ink-3);margin-top:4px;font-family:var(--font-num)}
.side-card .btn{width:100%}

/* ===== 文末 ===== */
.article-foot{border-top:1px solid var(--line);margin-top:48px;padding-top:36px}
.rel-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:22px}
.rel-card{
  display:flex;gap:14px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:14px;transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:#D5E0F2}
.rel-card img{width:96px;height:64px;object-fit:cover;border-radius:10px;flex:0 0 auto}
.rel-card h4{font-size:15px;line-height:1.5;font-weight:600;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card time{display:block;margin-top:8px;font-size:12.5px;color:var(--ink-3);font-family:var(--font-num)}
.foot-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}

/* ===== 订阅 CTA ===== */
.subscribe{
  position:relative;background:var(--brand-900);color:#fff;
  overflow:hidden;
}
.subscribe::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.22;
}
.subscribe::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(14,42,82,.94),rgba(14,42,82,.6));
}
.subscribe .container{position:relative;z-index:2}
.subscribe-grid{display:grid;grid-template-columns:7fr 5fr;gap:44px;align-items:center;padding:72px 0}
.subscribe h2{color:#fff;font-size:30px}
.subscribe p{color:rgba(255,255,255,.78);margin:14px 0 0;font-size:15.5px}
.subscribe-form{display:flex;gap:12px;flex-wrap:wrap}
.subscribe-form input{
  flex:1 1 220px;height:46px;padding:0 16px;
  border:1px solid rgba(255,255,255,.24);
  border-radius:var(--radius-sm);
  background:rgba(255,255,255,.1);
  color:#fff;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.subscribe-form input::placeholder{color:rgba(255,255,255,.55)}
.subscribe-form input:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(46,111,214,.3);background:rgba(255,255,255,.16)}
.subscribe-note{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.6)}

/* ===== 页脚 ===== */
.site-footer{background:var(--brand-900);color:rgba(255,255,255,.78);padding:64px 0 0}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;
}
.footer-logo{display:inline-flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:800;margin-bottom:16px}
.footer-logo .logo-mark{background:linear-gradient(135deg,var(--brand-500),var(--brand-700))}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);margin:0 0 18px}
.footer-social{display:flex;gap:10px}
.footer-social a{
  width:36px;height:36px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.1);color:#fff;font-size:14px;
  transition:background-color .22s var(--ease),transform .22s var(--ease);
}
.footer-social a:hover{background:var(--brand-700);transform:translateY(-3px);color:#fff}
.footer-col h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col a:hover{color:#E7EFFB}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.72);line-height:1.7}
.footer-contact i{margin-top:4px;color:var(--brand-500)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0 24px;font-size:13px;color:rgba(255,255,255,.6);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  height:36px;padding:0 14px;
  border:1px solid rgba(255,255,255,.24);border-radius:999px;
  background:transparent;color:#fff;font-size:13px;cursor:pointer;
  transition:background-color .22s var(--ease),border-color .22s var(--ease);
}
.to-top:hover{background:var(--brand-700);border-color:var(--brand-700)}

/* ===== 响应式 ===== */
@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,780px) 320px;justify-content:space-between}
  .article-side{position:sticky;top:calc(var(--nav-h) + 48px + 20px);align-self:start;max-height:calc(100vh - 160px);overflow:auto}
}
@media (max-width:1199px){
  .rel-cards{grid-template-columns:repeat(2,1fr)}
  .subscribe-grid{grid-template-columns:1fr;gap:28px;padding:60px 0}
}
@media (max-width:991px){
  .nav-links{display:none}
  .menu-toggle{display:inline-flex}
  .search-pill{display:none}
  .section{padding:64px 0}
  .section-head h2{font-size:26px}
  .article-hero h1{font-size:30px}
  .article-panel{padding:32px 26px 38px}
  .article-body{font-size:16px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .brand-text{font-size:16px}
  .header-actions .btn-cta{display:none}
  .header-top-inner{gap:12px}
  .article-hero .container{padding-top:34px;padding-bottom:38px}
  .article-hero h1{font-size:26px}
  .hero-meta{font-size:12.5px;gap:10px;margin-top:18px;padding-top:16px}
  .article-main{padding:36px 0 56px}
  .article-panel{padding:24px 18px 30px;border-radius:var(--radius)}
  .article-body h2{font-size:20px;margin-top:36px}
  .article-body h3{font-size:17px}
  .rel-cards{grid-template-columns:1fr}
  .subscribe h2{font-size:23px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:519px){
  .section{padding:52px 0}
  .rel-card img{width:84px;height:58px}
  .rel-card h4{font-size:14px}
  .btn{height:48px}
  .search-pill input{width:120px}
}

/* roulang page: category1 */
:root{
  --brand-900:#0E2A52;
  --brand-700:#1D4E9E;
  --brand-500:#2E6FD6;
  --brand-100:#E7EFFB;
  --accent:#FF6A2B;
  --accent-soft:#FFF1E8;
  --mint:#12A87A;
  --ink:#0F1B2D;
  --ink-2:#47566E;
  --ink-3:#8492A6;
  --line:#E4EAF3;
  --bg:#F5F7FB;
  --surface:#FFFFFF;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Inter","DIN Alternate","SFMono-Regular",system-ui,sans-serif;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --sh:0 2px 8px rgba(15,27,45,.06),0 12px 28px rgba(15,27,45,.06);
  --sh-hover:0 6px 16px rgba(15,27,45,.12),0 18px 36px rgba(15,27,45,.12);
  --tr:240ms cubic-bezier(.2,.7,.3,1);
  --bs-primary:#1D4E9E;
  --bs-body-bg:#F5F7FB;
  --bs-body-color:#47566E;
  --bs-border-color:#E4EAF3;
  --bs-border-radius:14px;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --bs-link-color:#1D4E9E;
  --bs-link-hover-color:#0E2A52;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;line-height:1.3;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:var(--brand-700);text-decoration:none;transition:color var(--tr);}
a:hover{color:var(--brand-900);}
img{max-width:100%;display:block;border:0;}
button,input,select,textarea{font:inherit;color:inherit;}
select{-webkit-appearance:none;appearance:none;}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head h2{font-size:32px;font-weight:700;}
.section-head .head-note{margin-top:10px;font-size:14px;color:var(--ink-3);}
.section-head .head-link{font-size:14px;font-weight:600;white-space:nowrap;}

/* ---------- 按钮 ---------- */
.btn-solid,.btn-ghost,.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background var(--tr),color var(--tr),border-color var(--tr),box-shadow var(--tr),transform var(--tr);
}
.btn-solid{background:var(--brand-700);color:#fff;}
.btn-solid:hover{background:var(--brand-900);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-hover);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{background:var(--brand-100);border-color:#cfe0f8;color:var(--brand-900);transform:translateY(-2px);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#e85a1d;color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(255,106,43,.28);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow var(--tr);}
.site-header.scrolled{box-shadow:0 4px 18px rgba(15,27,45,.08);}
.header-main{height:72px;display:flex;align-items:center;}
.header-inner{display:flex;align-items:center;gap:28px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:36px;height:36px;border-radius:10px;background:var(--brand-700);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-weight:700;font-size:14px;letter-spacing:.02em;
}
.brand-text{font-size:17px;font-weight:700;color:var(--ink);white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-links a{
  position:relative;padding:8px 14px;border-radius:999px;font-size:15px;font-weight:500;color:var(--ink-2);
  transition:background var(--tr),color var(--tr);
}
.nav-links a:hover{background:var(--brand-100);color:var(--brand-900);}
.nav-links a.active{color:var(--brand-700);font-weight:600;background:var(--brand-100);}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:14px;}
.search-box{
  display:flex;align-items:center;gap:8px;height:42px;padding:0 16px;min-width:220px;
  background:var(--bg);border:1px solid var(--line);border-radius:999px;
  transition:border-color var(--tr),box-shadow var(--tr),background var(--tr);
}
.search-box i{color:var(--ink-3);font-size:14px;}
.search-box input{border:0;background:transparent;outline:none;width:100%;font-size:14px;}
.search-box input::placeholder{color:var(--ink-3);}
.search-box:focus-within{border-color:var(--brand-500);background:#fff;box-shadow:0 0 0 3px rgba(46,111,214,.14);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;
  color:var(--ink);cursor:pointer;align-items:center;justify-content:center;font-size:16px;
  transition:background var(--tr),border-color var(--tr);
}
.nav-toggle:hover{background:var(--brand-100);border-color:#cfe0f8;}

.channel-bar{height:48px;border-top:1px solid var(--line);background:#fff;}
.channel-scroll{
  display:flex;align-items:center;gap:10px;height:48px;overflow-x:auto;scrollbar-width:none;
}
.channel-scroll::-webkit-scrollbar{display:none;}
.pill{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;
  height:32px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:13.5px;font-weight:500;color:var(--ink-2);transition:all var(--tr);
}
.pill:hover{border-color:#cfe0f8;background:var(--brand-100);color:var(--brand-900);}
.pill.active{background:var(--brand-700);border-color:var(--brand-700);color:#fff;font-weight:600;}
.pill .dot{width:6px;height:6px;border-radius:50%;background:var(--mint);display:inline-block;}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,27,45,.5);opacity:0;visibility:hidden;
  transition:opacity var(--tr),visibility var(--tr);z-index:1040;
}
.drawer-mask.show{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);background:#fff;z-index:1050;
  transform:translateX(100%);transition:transform var(--tr);display:flex;flex-direction:column;
  padding:22px;overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;cursor:pointer;color:var(--ink);}
.drawer-close:hover{background:var(--brand-100);}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:22px;}
.drawer-nav a{padding:12px 14px;border-radius:var(--r-sm);font-size:15px;font-weight:500;color:var(--ink-2);}
.drawer-nav a:hover,.drawer-nav a.active{background:var(--brand-100);color:var(--brand-900);}
.drawer-label{font-size:13px;font-weight:600;color:var(--ink-3);margin-bottom:10px;letter-spacing:.02em;}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px;}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;}
.drawer-foot .btn-accent,.drawer-foot .btn-solid{width:100%;}

/* ---------- 首屏 ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--brand-900);color:#fff;}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.page-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(14,42,82,.96) 0%,rgba(14,42,82,.88) 42%,rgba(14,42,82,.45) 72%,rgba(14,42,82,.2) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding:64px 0 68px;}
.breadcrumb-line{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.7);margin-bottom:20px;}
.breadcrumb-line a{color:rgba(255,255,255,.82);}
.breadcrumb-line a:hover{color:#fff;}
.breadcrumb-line .sep{color:rgba(255,255,255,.4);}
.breadcrumb-line [aria-current]{color:#fff;font-weight:600;}
.page-hero h1{
  color:#fff;font-size:46px;font-weight:800;letter-spacing:-.02em;line-height:1.2;max-width:820px;
}
.hero-sub{margin-top:16px;font-size:17px;color:rgba(255,255,255,.86);max-width:640px;}
.hero-lead{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.72);max-width:700px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-stats li{
  background:#fff;border-radius:var(--r-md);padding:14px 20px;min-width:140px;
  box-shadow:0 8px 22px rgba(6,20,42,.22);
}
.hero-stats strong{
  display:block;font-family:var(--font-num);font-size:24px;font-weight:700;color:var(--brand-700);line-height:1.2;
}
.hero-stats span{display:block;margin-top:4px;font-size:13px;color:var(--ink-3);}

/* ---------- 筛选条 ---------- */
.filter-bar{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:16px 20px;box-shadow:var(--sh);margin-bottom:28px;
}
.filter-pills{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.filter-pill{
  height:34px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:13.5px;color:var(--ink-2);cursor:pointer;transition:all var(--tr);
}
.filter-pill:hover{border-color:#cfe0f8;background:var(--brand-100);color:var(--brand-900);}
.filter-pill.active{background:var(--brand-700);border-color:var(--brand-700);color:#fff;font-weight:600;}
.filter-right{margin-left:auto;display:flex;align-items:center;gap:10px;}
.filter-right label{font-size:13px;color:var(--ink-3);}
.select-wrap{position:relative;display:inline-flex;align-items:center;}
.select-wrap::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:11px;
  position:absolute;right:14px;color:var(--ink-3);pointer-events:none;
}
.select-wrap select{
  height:38px;padding:0 36px 0 14px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#fff;font-size:13.5px;color:var(--ink);cursor:pointer;transition:border-color var(--tr),box-shadow var(--tr);
}
.select-wrap select:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(46,111,214,.14);outline:none;}

/* ---------- 直播列表 ---------- */
.stream-list{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh);
}
.list-item{
  display:grid;grid-template-columns:240px 1fr;gap:24px;padding:24px;
  border-bottom:1px solid var(--line);transition:background var(--tr);
}
.list-item:last-child{border-bottom:none;}
.list-item:hover{background:var(--brand-100);}
.thumb{
  position:relative;aspect-ratio:3/2;border-radius:var(--r-md);overflow:hidden;background:var(--brand-100);
}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--tr);}
.list-item:hover .thumb img{transform:scale(1.03);}
.thumb .badge-corner{
  position:absolute;left:12px;top:12px;height:24px;padding:0 10px;border-radius:999px;
  background:var(--accent-soft);color:var(--accent);font-size:12px;font-weight:600;
  display:inline-flex;align-items:center;
}
.item-body{display:flex;flex-direction:column;gap:10px;min-width:0;}
.item-title{font-size:20px;font-weight:600;color:var(--ink);line-height:1.45;}
.item-title a{color:var(--ink);}
.item-title a:hover{color:var(--brand-700);}
.item-desc{
  font-size:14.5px;line-height:1.8;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.item-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:auto;font-size:13px;color:var(--ink-3);}
.item-meta time{font-family:var(--font-num);font-weight:600;color:var(--ink-3);}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12.5px;font-weight:600;}
.tag-brand{background:var(--brand-100);color:var(--brand-700);}
.tag-live{background:rgba(18,168,122,.12);color:var(--mint);}
.tag-soon{background:var(--accent-soft);color:var(--accent);}
.tag-done{background:#EEF1F6;color:var(--ink-3);}
.entry-link{font-size:13.5px;font-weight:600;color:var(--brand-700);display:inline-flex;align-items:center;gap:6px;}
.entry-link i{font-size:11px;transition:transform var(--tr);}
.entry-link:hover i{transform:translateX(3px);}

.pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:36px;}
.pager a,.pager span{
  min-width:40px;height:40px;padding:0 12px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#fff;display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:14px;font-weight:600;color:var(--ink-2);transition:all var(--tr);
}
.pager a:hover{border-color:#cfe0f8;background:var(--brand-100);color:var(--brand-900);}
.pager .current{background:var(--brand-700);border-color:var(--brand-700);color:#fff;}
.pager .disabled{color:var(--ink-3);opacity:.6;pointer-events:none;}

/* ---------- 时段安排 ---------- */
.slots{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.slot{
  background:#fff;border:1px solid var(--line);border-left:3px solid var(--brand-700);
  border-radius:var(--r-md);padding:26px;box-shadow:var(--sh);transition:box-shadow var(--tr),transform var(--tr);
}
.slot:hover{box-shadow:var(--sh-hover);transform:translateY(-4px);}
.slot h3{font-size:18px;font-weight:600;}
.slot .slot-time{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-700);font-family:var(--font-num);font-size:13px;font-weight:600;
  margin:12px 0 16px;
}
.slot ul{display:flex;flex-direction:column;gap:12px;}
.slot li{
  display:flex;justify-content:space-between;gap:12px;font-size:14px;color:var(--ink-2);
  padding-bottom:12px;border-bottom:1px dashed var(--line);
}
.slot li:last-child{border-bottom:none;padding-bottom:0;}
.slot li span:last-child{font-family:var(--font-num);color:var(--ink-3);font-size:13px;white-space:nowrap;}

/* ---------- 观看步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:28px;position:relative;overflow:hidden;}
.step-num{
  font-family:var(--font-num);font-size:46px;font-weight:700;color:var(--brand-100);line-height:1;
  margin-bottom:14px;letter-spacing:-.02em;
}
.step h3{font-size:18px;font-weight:600;margin-bottom:10px;}
.step p{font-size:14.5px;line-height:1.8;color:var(--ink-2);}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px 24px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-left:3px solid transparent;
  border-radius:var(--r-md);overflow:hidden;transition:background var(--tr),border-color var(--tr);
}
.faq-item[open]{background:var(--bg);border-left-color:var(--brand-700);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\2b";color:var(--brand-700);font-family:var(--font-num);font-size:20px;font-weight:600;line-height:1;
}
.faq-item[open] summary::after{content:"\2212";}
.faq-body{padding:0 22px 22px;font-size:14.5px;line-height:1.85;color:var(--ink-2);}

/* ---------- 订阅 CTA ---------- */
.cta-band{position:relative;background:var(--brand-900);overflow:hidden;}
.cta-band .cta-bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.26;
}
.cta-band .cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;padding:76px 0;}
.cta-band h2{color:#fff;font-size:32px;}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.76);font-size:15px;line-height:1.85;max-width:520px;}
.cta-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.cta-badges span{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:#fff;font-size:13px;
}
.subscribe-form{background:#fff;border-radius:var(--r-lg);padding:28px;box-shadow:0 18px 40px rgba(6,20,42,.3);}
.subscribe-form label{display:block;font-size:14px;font-weight:600;color:var(--ink);margin-bottom:10px;}
.field-row{display:flex;gap:10px;}
.field-row input{
  flex:1;height:46px;padding:0 16px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#fff;font-size:14.5px;transition:border-color var(--tr),box-shadow var(--tr);
}
.field-row input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(46,111,214,.16);}
.form-note{margin-top:12px;font-size:12.5px;color:var(--ink-3);line-height:1.7;}
.form-note.error{color:var(--accent);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-900);color:#fff;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;}
.footer-logo .logo-mark{width:34px;height:34px;font-size:13px;}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);max-width:330px;}
.footer-social{display:flex;gap:10px;margin-top:20px;}
.footer-social a{
  width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.1);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:15px;
  transition:background var(--tr),transform var(--tr);
}
.footer-social a:hover{background:var(--brand-500);color:#fff;transform:translateY(-3px);}
.footer-col h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-col a:hover{color:var(--brand-100);}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;color:rgba(255,255,255,.72);font-size:14px;}
.footer-contact i{margin-top:4px;color:var(--brand-500);}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.14);padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.58);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);color:#fff;font-size:13px;
  cursor:pointer;transition:background var(--tr),transform var(--tr);
}
.to-top:hover{background:var(--brand-500);transform:translateY(-2px);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .page-hero h1{font-size:40px;}
  .section{padding:72px 0;}
}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .search-box{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{gap:16px;}
  .page-hero h1{font-size:34px;}
  .page-hero-inner{padding:48px 0 54px;}
  .section{padding:64px 0;}
  .section-head h2{font-size:26px;}
  .list-item{grid-template-columns:200px 1fr;gap:20px;}
  .slots,.steps{grid-template-columns:1fr 1fr;}
  .faq-grid{grid-template-columns:1fr;}
  .cta-band .cta-inner{grid-template-columns:1fr;gap:32px;padding:60px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  body{font-size:15.5px;}
  .list-item{grid-template-columns:1fr;gap:16px;padding:20px;}
  .thumb{aspect-ratio:16/9;}
  .slots,.steps{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .filter-right{margin-left:0;width:100%;justify-content:space-between;}
  .hero-stats li{min-width:calc(50% - 7px);}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .page-hero h1{font-size:27px;}
  .hero-sub{font-size:15.5px;}
  .hero-lead{font-size:14.5px;}
  .section{padding:52px 0;}
  .section-head h2{font-size:23px;}
  .item-title{font-size:18px;}
  .btn-solid,.btn-ghost,.btn-accent{height:48px;}
  .btn-sm{height:44px;}
  .field-row{flex-direction:column;}
  .field-row .btn-accent{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category2 */
:root,
[data-bs-theme="light"]{
  --bs-primary:#1D4E9E;
  --bs-body-bg:#F5F7FB;
  --bs-body-color:#47566E;
  --bs-border-color:#E4EAF3;
  --bs-border-radius:14px;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-link-color:#1D4E9E;
  --bs-link-hover-color:#0E2A52;

  --brand-900:#0E2A52;
  --brand-700:#1D4E9E;
  --brand-500:#2E6FD6;
  --brand-100:#E7EFFB;
  --accent:#FF6A2B;
  --accent-soft:#FFF1E8;
  --mint:#12A87A;
  --ink:#0F1B2D;
  --ink-2:#47566E;
  --ink-3:#8492A6;
  --line:#E4EAF3;
  --bg:#F5F7FB;
  --surface:#FFFFFF;

  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;

  --shadow-1:0 2px 8px rgba(15,27,45,.06),0 12px 28px rgba(15,27,45,.06);
  --shadow-2:0 6px 16px rgba(15,27,45,.10),0 18px 40px rgba(15,27,45,.12);
  --ease:cubic-bezier(.2,.7,.3,1);

  --font-num:Inter,"DIN Alternate","PingFang SC",system-ui,sans-serif;
}

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

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

body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;}
a{color:var(--brand-700);text-decoration:none;transition:color .24s var(--ease);}
a:hover{color:var(--brand-900);}
button{font-family:inherit;}
h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 16px;}
ul{margin:0;padding:0;list-style:none;}
time,.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px;}

.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;width:100%;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .24s var(--ease);
}
.site-header.is-stuck{box-shadow:0 6px 20px rgba(15,27,45,.08);}

.header-main{
  display:flex;align-items:center;gap:28px;
  height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(135deg,var(--brand-700),var(--brand-500));
  color:#fff;font-family:var(--font-num);font-weight:700;font-size:14px;
  display:flex;align-items:center;justify-content:center;letter-spacing:.04em;
  box-shadow:0 6px 14px rgba(29,78,158,.28);
}
.brand-text{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.02em;}

.nav-links{display:flex;align-items:center;gap:6px;margin-left:6px;}
.nav-links a{
  font-size:15px;color:var(--ink-2);font-weight:500;
  padding:9px 14px;border-radius:var(--r-pill);
  transition:background .24s var(--ease),color .24s var(--ease);
}
.nav-links a:hover{background:var(--brand-100);color:var(--brand-700);}
.nav-links a.active{background:var(--brand-100);color:var(--brand-700);font-weight:600;}

.search-box{
  margin-left:auto;position:relative;flex:0 1 260px;
}
.search-box i{
  position:absolute;left:16px;top:50%;transform:translateY(-50%);
  color:var(--ink-3);font-size:14px;pointer-events:none;
}
.search-box input{
  width:100%;height:44px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--bg);
  padding:0 18px 0 40px;font-size:14px;color:var(--ink-2);
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease);
}
.search-box input::placeholder{color:var(--ink-3);}
.search-box input:focus{
  outline:none;background:#fff;border-color:var(--brand-500);
  box-shadow:0 0 0 4px rgba(46,111,214,.14);
}

.btn-main,.btn-ghost,.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
  white-space:nowrap;
}
.btn-main{background:var(--brand-700);color:#fff;box-shadow:0 8px 18px rgba(29,78,158,.22);}
.btn-main:hover{background:var(--brand-900);color:#fff;transform:translateY(-2px);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);}
.btn-ghost:hover{background:var(--brand-100);color:var(--brand-700);border-color:var(--brand-500);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 22px rgba(255,106,43,.26);}
.btn-accent:hover{background:#e85a1c;color:#fff;transform:translateY(-2px);}
.header-cta{flex:0 0 auto;}

.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  align-items:center;justify-content:center;font-size:17px;cursor:pointer;
}

/* 频道 pill 行 */
.channel-bar{
  background:#fff;border-top:1px solid var(--line);
  position:relative;
}
.channel-scroll{
  display:flex;align-items:center;gap:10px;
  height:48px;overflow-x:auto;scrollbar-width:none;
}
.channel-scroll::-webkit-scrollbar{display:none;}
.channel-pill{
  flex:0 0 auto;height:32px;padding:0 16px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;font-size:13.5px;font-weight:500;
  color:var(--ink-2);background:#fff;border:1px solid var(--line);
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.channel-pill:hover{border-color:var(--brand-500);color:var(--brand-700);background:var(--brand-100);}
.channel-pill.active{background:var(--brand-700);border-color:var(--brand-700);color:#fff;font-weight:600;}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,27,45,.48);
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s var(--ease);
  z-index:1050;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;width:min(320px,86vw);height:100%;
  background:#fff;z-index:1060;transform:translateX(102%);
  transition:transform .28s var(--ease);
  display:flex;flex-direction:column;padding:22px;gap:6px;
  box-shadow:-12px 0 32px rgba(15,27,45,.16);
}
.mobile-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;}
.mobile-drawer a.drawer-link{
  display:block;padding:13px 14px;border-radius:12px;color:var(--ink);
  font-size:15.5px;font-weight:500;
}
.mobile-drawer a.drawer-link:hover,
.mobile-drawer a.drawer-link.active{background:var(--brand-100);color:var(--brand-700);}
.drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);}

/* ============ 面包屑 + 内页首屏 ============ */
.breadcrumb-row{
  background:#fff;border-bottom:1px solid var(--line);
}
.breadcrumb-row .container{
  display:flex;align-items:center;gap:8px;height:48px;font-size:13px;color:var(--ink-3);
  overflow:hidden;
}
.breadcrumb-row a{color:var(--ink-3);}
.breadcrumb-row a:hover{color:var(--brand-700);}
.breadcrumb-row .sep{color:#c4cddd;}
.breadcrumb-row .current{color:var(--ink);font-weight:600;}

.page-hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(14,42,82,.94) 0%,rgba(14,42,82,.82) 42%,rgba(29,78,158,.42) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  color:#fff;padding:64px 0 60px;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(255,106,43,.34),rgba(255,106,43,0) 66%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.32);
  color:#fff;font-size:13px;font-weight:600;margin-bottom:18px;
}
.hero-tag .dot{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(18,168,122,.22);}
.page-hero h1{
  color:#fff;font-size:46px;line-height:1.24;font-weight:800;letter-spacing:-.02em;
  max-width:780px;margin-bottom:16px;
}
.page-hero .hero-sub{
  color:rgba(255,255,255,.84);font-size:16px;line-height:1.8;max-width:700px;margin-bottom:26px;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;}
.hero-badges span{
  display:inline-flex;align-items:center;gap:8px;
  height:34px;padding:0 15px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  font-size:13px;color:#fff;
}
.hero-badges i{color:#9fc4ff;}

/* ============ 主体布局：左筛选 + 右网格 ============ */
.section{padding:88px 0;}
.section.tight{padding:64px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-head h2{font-size:32px;font-weight:700;letter-spacing:-.02em;}
.section-head p{margin:10px 0 0;color:var(--ink-3);font-size:14.5px;}
.section-link{font-size:14.5px;font-weight:600;color:var(--brand-700);display:inline-flex;align-items:center;gap:6px;}

.layout-grid{
  display:grid;grid-template-columns:264px minmax(0,1fr);gap:32px;align-items:start;
}

/* 左侧筛选 */
.filter-panel{
  position:sticky;top:140px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 22px;box-shadow:var(--shadow-1);
}
.filter-block + .filter-block{margin-top:26px;padding-top:24px;border-top:1px solid var(--line);}
.filter-block h3{font-size:14px;font-weight:600;color:var(--ink);letter-spacing:.02em;margin-bottom:14px;}
.filter-tags{display:flex;flex-wrap:wrap;gap:8px;}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;
  height:32px;padding:0 13px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  font-size:13px;cursor:pointer;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.tag-pill:hover{border-color:var(--brand-500);color:var(--brand-700);background:var(--brand-100);}
.tag-pill.active{background:var(--brand-700);border-color:var(--brand-700);color:#fff;font-weight:600;}
.tag-pill .count{font-family:var(--font-num);font-size:12px;opacity:.7;}
.back-entry{
  display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:12px;
  background:var(--bg);border:1px solid var(--line);color:var(--ink);font-size:14px;font-weight:500;
}
.back-entry:hover{background:var(--brand-100);border-color:var(--brand-500);color:var(--brand-700);}

/* 右侧大图卡网格 */
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.media-card{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background:var(--brand-100);box-shadow:var(--shadow-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
  display:block;color:inherit;
}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.media-card__media{position:relative;aspect-ratio:16/10;overflow:hidden;}
.media-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.media-card:hover .media-card__media img{transform:scale(1.03);}
.badge-soft{
  position:absolute;top:14px;left:14px;z-index:3;
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:var(--r-pill);
  background:var(--accent-soft);color:#d4500f;font-size:12.5px;font-weight:600;
}
.badge-live{
  position:absolute;top:14px;right:14px;z-index:3;
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;border-radius:var(--r-pill);
  background:rgba(18,168,122,.94);color:#fff;font-size:12.5px;font-weight:600;
}
.media-card__bar{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:52px 20px 18px;
  background:linear-gradient(to top,rgba(14,42,82,.94) 0%,rgba(14,42,82,.76) 44%,rgba(14,42,82,0) 100%);
}
.media-card__bar h3{
  color:#fff;font-size:18.5px;line-height:1.5;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.media-card__meta{
  margin:10px 0 0;color:rgba(255,255,255,.78);font-size:13px;
  display:flex;align-items:center;gap:10px;
}
.media-card__meta .sep{opacity:.5;}

.grid-foot{display:flex;justify-content:center;margin-top:36px;padding-top:32px;border-top:1px solid var(--line);}
.btn-load{
  height:48px;padding:0 30px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);color:var(--ink);
  font-size:15px;font-weight:600;cursor:pointer;display:inline-flex;align-items:center;gap:10px;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
}
.btn-load:hover{background:var(--brand-100);color:var(--brand-700);border-color:var(--brand-500);transform:translateY(-2px);}
.btn-load[disabled]{opacity:.55;cursor:default;transform:none;}
.is-hidden{display:none;}

/* ============ 解读维度（行式列表） ============ */
.dim-wrap{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:12px 26px;box-shadow:var(--shadow-1);
}
.dim-row{
  display:grid;grid-template-columns:56px 200px minmax(0,1fr);gap:20px;align-items:center;
  padding:24px 0;
}
.dim-row + .dim-row{border-top:1px solid var(--line);}
.dim-icon{
  width:48px;height:48px;border-radius:14px;background:var(--brand-100);color:var(--brand-700);
  display:flex;align-items:center;justify-content:center;font-size:18px;
}
.dim-row h3{font-size:17.5px;font-weight:600;}
.dim-row p{margin:0;font-size:15px;color:var(--ink-2);}

/* ============ 深色数据条 ============ */
.dark-band{
  background:var(--brand-900);color:#fff;position:relative;overflow:hidden;
  padding:70px 0;
}
.dark-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center;opacity:.14;
}
.dark-band .container{position:relative;z-index:2;}
.dark-band h2{color:#fff;font-size:30px;margin-bottom:12px;}
.dark-band .band-sub{color:rgba(255,255,255,.74);font-size:15px;max-width:640px;margin-bottom:36px;}
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.stat-item{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-md);padding:22px 20px;
}
.stat-item strong{
  display:block;font-family:var(--font-num);font-size:30px;font-weight:600;color:#fff;letter-spacing:-.02em;
}
.stat-item span{display:block;margin-top:8px;font-size:13.5px;color:rgba(255,255,255,.7);line-height:1.6;}
.stat-item .accent-bar{width:28px;height:3px;border-radius:2px;background:var(--accent);margin-bottom:14px;}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 24px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.faq-item:hover{border-color:#cfdcef;}
.faq-q{
  width:100%;text-align:left;background:none;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:16px;font-weight:600;color:var(--ink);
}
.faq-q i{color:var(--brand-700);font-size:14px;transition:transform .24s var(--ease);flex:0 0 auto;}
.faq-item.open .faq-q i{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .3s var(--ease);
  border-left:3px solid transparent;
}
.faq-item.open .faq-a{border-left-color:var(--brand-700);background:var(--bg);}
.faq-a p{margin:0;padding:0 22px 20px;font-size:15px;color:var(--ink-2);line-height:1.85;}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--brand-900);color:#fff;
  padding:72px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;opacity:.2;
}
.cta-band .container{position:relative;z-index:2;}
.cta-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.cta-copy h2{color:#fff;font-size:32px;margin-bottom:14px;}
.cta-copy p{color:rgba(255,255,255,.78);font-size:15.5px;max-width:560px;margin:0;}
.cta-form{display:flex;gap:12px;}
.cta-form input{
  flex:1 1 auto;height:48px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.1);
  color:#fff;padding:0 16px;font-size:15px;
}
.cta-form input::placeholder{color:rgba(255,255,255,.6);}
.cta-form input:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(46,111,214,.28);}
.cta-note{margin:14px 0 0;font-size:12.5px;color:rgba(255,255,255,.6);}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-900);color:#fff;padding:64px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px;}
.footer-logo{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:16px;}
.footer-logo .logo-mark{width:32px;height:32px;font-size:12.5px;border-radius:10px;}
.footer-desc{color:rgba(255,255,255,.66);font-size:13.5px;line-height:1.8;max-width:320px;margin-bottom:20px;}
.footer-social{display:flex;gap:10px;}
.footer-social a{
  width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:rgba(255,255,255,.82);
  transition:background .24s var(--ease),color .24s var(--ease),transform .24s var(--ease);
}
.footer-social a:hover{background:var(--brand-700);color:#fff;transform:translateY(-2px);}
.footer-col h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:16px;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-col ul li a:hover{color:var(--brand-100);}
.footer-contact li{display:flex;gap:10px;color:rgba(255,255,255,.72);font-size:13.5px;line-height:1.7;}
.footer-contact i{margin-top:5px;color:#9fc4ff;font-size:13px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.footer-bottom span{color:rgba(255,255,255,.6);font-size:13px;}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 18px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);
  color:#fff;font-size:13px;cursor:pointer;transition:background .24s var(--ease);
}
.to-top:hover{background:var(--brand-700);}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .nav-links a{padding:9px 11px;font-size:14.5px;}
  .search-box{flex:0 1 200px;}
}
@media (max-width:991px){
  .container{padding-left:20px;padding-right:20px;}
  .nav-links,.header-cta,.search-box{display:none;}
  .menu-toggle{display:flex;margin-left:auto;}
  .header-main{height:64px;gap:16px;}
  .page-hero{padding:52px 0 48px;}
  .page-hero h1{font-size:34px;}
  .section{padding:64px 0;}
  .section-head h2{font-size:26px;}
  .layout-grid{grid-template-columns:minmax(0,1fr);gap:24px;}
  .filter-panel{position:static;}
  .dim-row{grid-template-columns:48px minmax(0,1fr);gap:14px;}
  .dim-row p{grid-column:2;}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
}
@media (max-width:767px){
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .faq-grid{grid-template-columns:minmax(0,1fr);}
  .page-hero h1{font-size:29px;}
  .page-hero .hero-sub{font-size:15px;}
}
@media (max-width:575px){
  .container{padding-left:16px;padding-right:16px;}
  body{font-size:15.5px;}
  .brand-text{font-size:16px;}
  .page-hero{padding:44px 0 40px;}
  .page-hero h1{font-size:26px;line-height:1.3;}
  .hero-badges span{height:30px;font-size:12.5px;padding:0 12px;}
  .section{padding:52px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:24px;}
  .section-head h2{font-size:23px;}
  .stat-grid{grid-template-columns:minmax(0,1fr);gap:14px;}
  .cta-copy h2{font-size:25px;}
  .cta-form{flex-direction:column;}
  .cta-form input,.cta-form .btn-accent{height:48px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .dim-wrap{padding:6px 18px;}
  .dim-row{padding:20px 0;}
  .media-card__bar{padding:44px 16px 15px;}
  .media-card__bar h3{font-size:16.5px;}
}