/* roulang page: index */
:root{
  --brand900:#0D2A4E;
  --brand700:#15498C;
  --brand500:#2E7BD6;
  --brand100:#DCE9F8;
  --brand50:#EEF4FC;
  --accent:#E8A33D;
  --accent2:#1F9C93;
  --ink:#1F2A3C;
  --ink2:#5B6B83;
  --line:#E3EAF3;
  --page:#F6F9FC;
  --card:#FFFFFF;
  --r-card:16px;
  --r-poster:14px;
  --r-btn:10px;
  --shadow-card:0 1px 2px rgba(16,38,74,.04), 0 8px 24px -8px rgba(16,38,74,.10);
  --shadow-hover:0 12px 32px -10px rgba(16,38,74,.18);
  --ease:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'PingFang SC','HarmonyOS Sans','Microsoft YaHei',system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--page);
  padding-bottom:76px;
  -webkit-font-smoothing:antialiased;
}
@media (min-width:768px){ body{padding-bottom:0;} }
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select{font:inherit;color:inherit;}
button{background:none;border:none;cursor:pointer;}
ul,ol{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--brand500);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px;}
@media (min-width:640px){ .container{padding-left:24px;padding-right:24px;} }
@media (min-width:1024px){ .container{padding-left:32px;padding-right:32px;} }

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease), background var(--ease), backdrop-filter var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:0 6px 20px -14px rgba(16,38,74,.45);
}
.header-inner{
  height:68px;display:flex;align-items:center;gap:20px;
}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:28px;height:28px;border-radius:8px;background:var(--brand700);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:13px;
}
.logo-text{font-size:17px;font-weight:700;letter-spacing:-.02em;color:var(--brand900);white-space:nowrap;}
.nav-menu{display:none;align-items:center;gap:26px;}
@media (min-width:1024px){ .nav-menu{display:flex;} }
.nav-link{
  position:relative;display:inline-block;padding:6px 2px;
  font-size:15px;font-weight:500;color:var(--ink2);
  transition:color var(--ease);
}
.nav-link::after{
  content:'';position:absolute;left:50%;bottom:-2px;transform:translateX(-50%);
  width:0;height:2px;border-radius:2px;background:var(--brand700);
  transition:width 220ms ease-out;
}
.nav-link:hover{color:var(--brand700);}
.nav-link:hover::after{width:100%;}
.nav-link[aria-current="page"]{color:var(--brand700);font-weight:600;}
.nav-link[aria-current="page"]::after{width:26px;height:3px;}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{
  display:none;align-items:center;gap:8px;
  width:240px;height:40px;padding:0 14px;
  background:var(--brand50);border:1px solid transparent;border-radius:999px;
  color:var(--ink2);transition:background var(--ease),box-shadow var(--ease);
}
@media (min-width:1024px){ .search-box{display:flex;} }
.search-box i{font-size:13px;}
.search-box input{
  border:none;background:transparent;outline:none;width:100%;font-size:14px;
}
.search-box:focus-within{
  background:#fff;border-color:transparent;
  box-shadow:0 0 0 2px rgba(46,123,214,.30);
}
.mobile-search{
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  color:var(--ink2);border-radius:999px;transition:background var(--ease),color var(--ease);
}
.mobile-search:hover{background:var(--brand50);color:var(--brand700);}
@media (min-width:1024px){ .mobile-search{display:none;} }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:0;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
  white-space:nowrap;
}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--brand700);color:#fff;box-shadow:0 6px 16px -8px rgba(21,73,140,.55);}
.btn-primary:hover{background:var(--brand500);transform:translateY(-1px);}
.btn-secondary{background:#fff;color:var(--ink);border:1px solid #D6E0EE;}
.btn-secondary:hover{border-color:var(--brand700);color:var(--brand700);transform:translateY(-1px);}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.75);}
.btn-ghost:hover{background:rgba(255,255,255,.18);transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--brand700);}
.btn-light:hover{background:var(--brand100);transform:translateY(-1px);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}

/* ---------- Badges & chips ---------- */
.badge{
  display:inline-flex;align-items:center;gap:5px;
  padding:3px 10px;border-radius:999px;
  background:var(--brand50);color:var(--brand700);
  font-size:12px;font-weight:600;line-height:1.6;white-space:nowrap;
}
.badge-teal{background:rgba(31,156,147,.10);color:var(--accent2);}
.badge-amber{background:rgba(232,163,61,.14);color:#B9761A;}
.chip{
  display:inline-flex;align-items:center;height:32px;padding:0 15px;
  border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:13px;font-weight:500;color:var(--ink2);
  transition:border-color var(--ease),color var(--ease),background var(--ease);
  cursor:pointer;
}
.chip:hover{border-color:var(--brand500);color:var(--brand700);}
.chip.is-active{background:var(--brand700);border-color:var(--brand700);color:#fff;}

/* ---------- Hero ---------- */
.hero{
  position:relative;display:flex;align-items:center;
  min-height:420px;background-size:cover;background-position:center;overflow:hidden;
}
.hero--home{
  background-image:
    linear-gradient(90deg, rgba(13,42,78,.92) 0%, rgba(13,42,78,.70) 38%, rgba(13,42,78,.24) 70%, rgba(13,42,78,0) 100%),
    url('/assets/images/backpic/back-1.png');
}
@media (min-width:768px){ .hero{min-height:560px;} }
@media (max-width:767px){
  .hero--home{
    background-image:
      linear-gradient(180deg, rgba(13,42,78,.50) 0%, rgba(13,42,78,.84) 58%, rgba(13,42,78,.95) 100%),
      url('/assets/images/backpic/back-1.png');
  }
}
.hero-inner{max-width:640px;padding-top:56px;padding-bottom:56px;}
.hero h1{
  font-size:clamp(30px,5vw,48px);font-weight:800;line-height:1.2;letter-spacing:-.02em;color:#fff;
  margin-top:18px;
}
.hero-sub{
  margin-top:16px;font-size:16px;line-height:1.75;color:rgba(255,255,255,.86);max-width:34em;
}
.hero-actions{display:flex;flex-direction:column;gap:12px;margin-top:28px;}
@media (min-width:640px){ .hero-actions{flex-direction:row;} .hero-actions .btn{width:auto;} }
.hero-actions .btn{width:100%;}
.hero-dots{display:flex;gap:8px;margin-top:34px;}
.hero-dots span{
  width:8px;height:8px;border-radius:999px;background:rgba(255,255,255,.38);
  transition:width var(--ease),background var(--ease);
}
.hero-dots span.is-active{width:24px;background:#fff;}

/* ---------- Stats strip ---------- */
.stats-strip{
  background:#fff;border-bottom:1px solid var(--line);
}
.stats-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:0;
}
@media (min-width:768px){ .stats-grid{grid-template-columns:repeat(4,minmax(0,1fr));} }
.stat-item{
  padding:22px 18px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stats-grid .stat-item:nth-child(2n){border-right:none;}
@media (min-width:768px){
  .stats-grid .stat-item{border-bottom:none;}
  .stats-grid .stat-item:nth-child(2n){border-right:1px solid var(--line);}
  .stats-grid .stat-item:last-child{border-right:none;}
}
.stat-num{
  font-size:26px;font-weight:800;color:var(--brand900);letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat-num small{font-size:14px;font-weight:600;color:var(--brand500);margin-left:2px;}
.stat-label{font-size:13px;color:var(--ink2);margin-top:4px;}

/* ---------- Sections ---------- */
.section{padding-top:48px;padding-bottom:48px;}
@media (min-width:768px){ .section{padding-top:64px;padding-bottom:64px;} }
@media (min-width:1024px){ .section{padding-top:80px;padding-bottom:80px;} }
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;
}
.section-title-wrap{display:flex;align-items:center;gap:12px;min-width:0;}
.title-bar{
  width:4px;height:20px;border-radius:2px;background:var(--brand700);flex:0 0 auto;
}
.section-head h2{
  font-size:clamp(20px,2.4vw,26px);font-weight:700;letter-spacing:-.02em;color:var(--brand900);line-height:1.3;
}
.section-head .section-desc{font-size:14px;color:var(--ink2);margin-top:4px;}
.more-link{
  font-size:14px;font-weight:600;color:var(--brand700);display:inline-flex;align-items:center;gap:6px;
  transition:gap var(--ease),color var(--ease);white-space:nowrap;
}
.more-link:hover{gap:10px;color:var(--brand500);}

/* ---------- Cards ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#D2E0F2;}

/* ---------- Poster track ---------- */
.track-wrap{position:relative;}
.track{
  display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 2px 10px;scrollbar-width:none;-ms-overflow-style:none;
}
.track::-webkit-scrollbar{display:none;}
.track > *{scroll-snap-align:start;}
.poster-card{flex:0 0 auto;width:200px;}
@media (min-width:768px){ .poster-card{width:220px;} }
.poster-cover{
  position:relative;aspect-ratio:2/3;border-radius:var(--r-poster);overflow:hidden;
  background:var(--brand50);
  background-image:linear-gradient(135deg, rgba(21,73,140,.07) 25%, transparent 25%, transparent 50%, rgba(21,73,140,.07) 50%, rgba(21,73,140,.07) 75%, transparent 75%, transparent);
  background-size:14px 14px;
}
.poster-cover img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease);}
.poster-card:hover .poster-cover img{transform:scale(1.03);}
.poster-card:hover .poster-cover{box-shadow:var(--shadow-hover);}
.poster-meta{position:absolute;left:10px;top:10px;z-index:2;}
.poster-body{padding:12px 2px 0;}
.poster-title{
  font-size:15px;font-weight:600;line-height:1.45;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:44px;
}
.poster-sub{font-size:13px;color:var(--ink2);margin-top:6px;font-variant-numeric:tabular-nums;}

.track-arrow{
  position:absolute;top:calc(50% - 34px);z-index:5;
  width:40px;height:40px;border-radius:999px;
  background:rgba(255,255,255,.92);border:1px solid var(--line);
  display:none;align-items:center;justify-content:center;color:var(--brand700);
  box-shadow:var(--shadow-card);transition:background var(--ease),transform var(--ease);
}
.track-arrow:hover{background:#fff;transform:scale(1.05);}
.track-arrow.prev{left:-18px;}
.track-arrow.next{right:-18px;}
@media (min-width:1024px){ .track-arrow{display:flex;} }

/* ---------- Hot section ---------- */
.hot-grid{display:grid;gap:20px;grid-template-columns:1fr;}
@media (min-width:1024px){ .hot-grid{grid-template-columns:2fr 1fr;gap:24px;} }
.hot-main{
  position:relative;border-radius:var(--r-card);overflow:hidden;aspect-ratio:16/9;
  background:var(--brand50);
}
.hot-main img{width:100%;height:100%;object-fit:cover;transition:transform 220ms ease-out;}
.hot-main:hover img{transform:scale(1.03);}
.hot-main-mask{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;
  padding:22px;color:#fff;
  background:linear-gradient(180deg, rgba(13,42,78,0) 40%, rgba(13,42,78,.88) 100%);
}
.hot-main-mask h3{font-size:clamp(18px,2.2vw,24px);font-weight:700;letter-spacing:-.02em;line-height:1.35;}
.hot-main-mask p{font-size:14px;color:rgba(255,255,255,.82);margin-top:8px;max-width:44em;}
.rank-list{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);overflow:hidden;
}
.rank-item{
  display:flex;align-items:center;gap:14px;padding:12px 18px;
  border-bottom:1px solid var(--line);transition:background var(--ease);
}
.rank-item:last-child{border-bottom:none;}
.rank-item:hover{background:var(--brand50);}
.rank-no{
  font-size:22px;font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums;
  color:transparent;-webkit-text-stroke:1.4px var(--brand100);flex:0 0 auto;width:34px;
}
.rank-item:nth-child(-n+3) .rank-no{
  color:var(--brand100);-webkit-text-stroke:0;
}
.rank-thumb{
  width:44px;height:60px;border-radius:8px;overflow:hidden;flex:0 0 auto;background:var(--brand50);
}
.rank-thumb img{width:100%;height:100%;object-fit:cover;}
.rank-text{min-width:0;flex:1;}
.rank-text h4{
  font-size:14px;font-weight:600;color:var(--ink);line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.rank-text p{font-size:12px;color:var(--ink2);margin-top:4px;}
.rank-score{
  font-size:13px;font-weight:700;color:#B9761A;font-variant-numeric:tabular-nums;flex:0 0 auto;
}

/* ---------- Block A ---------- */
.blockA{display:grid;gap:20px;grid-template-columns:1fr;}
@media (min-width:1024px){ .blockA{grid-template-columns:2fr 1fr;gap:24px;} }
.blockA-main{
  position:relative;border-radius:var(--r-card);overflow:hidden;aspect-ratio:16/10;
  background:var(--brand50);
}
.blockA-main img{width:100%;height:100%;object-fit:cover;transition:transform 220ms ease-out;}
.blockA-main:hover img{transform:scale(1.03);}
.blockA-main .mask{
  position:absolute;inset:0;padding:20px;display:flex;flex-direction:column;justify-content:flex-end;color:#fff;
  background:linear-gradient(180deg, rgba(13,42,78,0) 38%, rgba(13,42,78,.86) 100%);
}
.blockA-main .mask h3{font-size:20px;font-weight:700;letter-spacing:-.02em;}
.blockA-main .mask p{font-size:14px;color:rgba(255,255,255,.82);margin-top:6px;}
.blockA-side{display:grid;gap:20px;grid-template-rows:1fr 1fr;}
.blockA-small{
  display:flex;gap:14px;padding:14px;align-items:center;height:100%;
}
.blockA-small .thumb{
  width:96px;height:96px;border-radius:12px;overflow:hidden;flex:0 0 auto;background:var(--brand50);
}
.blockA-small .thumb img{width:100%;height:100%;object-fit:cover;}
.blockA-small h3{font-size:16px;font-weight:600;line-height:1.45;}
.blockA-small p{font-size:13px;color:var(--ink2);margin-top:6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ---------- Block B ---------- */
.blockB{display:grid;gap:20px;grid-template-columns:1fr;}
@media (min-width:768px){ .blockB{grid-template-columns:1fr 1fr;} }
.blockB-card{padding:0;overflow:hidden;display:flex;flex-direction:column;}
.blockB-card .cover{aspect-ratio:16/9;overflow:hidden;background:var(--brand50);}
.blockB-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform 220ms ease-out;}
.blockB-card:hover .cover img{transform:scale(1.03);}
.blockB-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.blockB-card h3{font-size:18px;font-weight:700;letter-spacing:-.02em;color:var(--brand900);}
.blockB-card p{font-size:14px;color:var(--ink2);line-height:1.75;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;grid-column:1/-1;margin-top:4px;}

/* ---------- Block C ---------- */
.blockC{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-card);overflow:hidden;}
.blockC-item{
  display:flex;align-items:center;gap:16px;padding:14px 20px;
  border-bottom:1px solid var(--line);transition:background var(--ease);
}
.blockC-item:last-child{border-bottom:none;}
.blockC-item:hover{background:var(--brand50);}
.blockC-item .thumb{width:64px;height:64px;border-radius:10px;overflow:hidden;flex:0 0 auto;background:var(--brand50);}
.blockC-item .thumb img{width:100%;height:100%;object-fit:cover;}
.blockC-item .txt{min-width:0;flex:1;}
.blockC-item h3{font-size:15px;font-weight:600;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.blockC-item p{font-size:13px;color:var(--ink2);margin-top:5px;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.blockC-item .arrow{color:var(--brand500);flex:0 0 auto;transition:transform var(--ease);}
.blockC-item:hover .arrow{transform:translateX(3px);}

/* ---------- CMS list ---------- */
.cms-grid{display:grid;gap:18px;grid-template-columns:1fr;}
@media (min-width:640px){ .cms-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
@media (min-width:768px){ .cms-grid{grid-template-columns:repeat(3,minmax(0,1fr));} }
@media (min-width:1024px){ .cms-grid{grid-template-columns:repeat(4,minmax(0,1fr));} }
.cms-item{
  display:flex;flex-direction:column;padding:20px;height:100%;
}
.cms-item .cms-title{
  font-size:16px;font-weight:600;line-height:1.5;color:var(--ink);margin-top:12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  min-height:48px;
}
.cms-item .cms-summary{
  font-size:13.5px;color:var(--ink2);line-height:1.7;margin-top:8px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  flex:1;
}
.cms-item .cms-foot{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink2);font-variant-numeric:tabular-nums;
}
.cms-item .cms-foot i{color:var(--brand500);transition:transform var(--ease);}
.cms-item:hover .cms-foot i{transform:translateX(3px);}
.cms-empty{
  min-height:200px;border:1px dashed #C9D8EC;border-radius:var(--r-card);
  background:var(--brand50);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  text-align:center;padding:32px 20px;
}
.cms-empty i{font-size:34px;color:var(--brand500);}
.cms-empty p{font-size:14px;color:var(--ink2);}

/* ---------- CTA ---------- */
.cta-band{
  border-radius:20px;padding:32px 26px;color:#fff;
  background:linear-gradient(120deg, var(--brand900) 0%, var(--brand700) 100%);
  display:flex;flex-direction:column;gap:20px;
}
@media (min-width:768px){
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:36px 40px;}
}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;letter-spacing:-.02em;line-height:1.35;}
.cta-band p{font-size:14px;color:rgba(255,255,255,.82);margin-top:8px;max-width:42em;}
.cta-band .btn{min-width:160px;width:100%;}
@media (min-width:768px){ .cta-band .btn{width:auto;} }

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;
  min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 22px;font-size:16px;font-weight:600;color:var(--ink);
  transition:color var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand700);}
.faq-item summary .plus{
  color:var(--brand700);font-size:15px;transition:transform 220ms ease-out;flex:0 0 auto;
}
.faq-item[open] summary .plus{transform:rotate(45deg);}
.faq-item .faq-body{
  padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--ink2);
  border-top:1px solid var(--line);padding-top:16px;
}

/* ---------- Footer ---------- */
.site-footer{background:#F1F5FA;border-top:1px solid var(--line);margin-top:20px;}
.footer-grid{
  display:grid;gap:28px;grid-template-columns:repeat(2,minmax(0,1fr));
  padding-top:44px;padding-bottom:32px;
}
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;} }
.footer-brand .logo-text{font-size:16px;}
.footer-brand p{font-size:14px;color:var(--ink2);line-height:1.8;margin-top:14px;max-width:26em;}
.footer-col h3{font-size:13px;font-weight:600;color:var(--ink2);letter-spacing:.02em;margin-bottom:14px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:15px;color:var(--ink);transition:color var(--ease),transform var(--ease);display:inline-block;}
.footer-col a:hover{color:var(--brand700);transform:translateX(2px);}
.footer-bottom{
  border-top:1px solid var(--line);padding:18px 0;
  display:flex;flex-direction:column;gap:8px;font-size:13px;color:var(--ink2);
}
@media (min-width:768px){ .footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;} }
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom a:hover{color:var(--brand700);}

/* ---------- Mobile tab bar ---------- */
.mobile-tab{
  position:fixed;left:0;right:0;bottom:0;z-index:50;
  height:60px;padding-bottom:env(safe-area-inset-bottom);
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  display:flex;align-items:stretch;
}
@media (min-width:768px){ .mobile-tab{display:none;} }
.tab-item{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  min-width:44px;min-height:44px;color:#8A97A8;font-size:10px;font-weight:500;
  position:relative;transition:color var(--ease);
}
.tab-item i{font-size:22px;line-height:1;}
.tab-item.is-active{color:var(--brand700);font-weight:600;}
.tab-item.is-active::before{
  content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:22px;height:3px;border-radius:0 0 3px 3px;background:var(--brand700);
}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity 420ms ease-out,transform 420ms ease-out;}
.reveal.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --brand-900:#0D2A4E;
  --brand-700:#15498C;
  --brand-500:#2E7BD6;
  --brand-100:#DCE9F8;
  --brand-50:#EEF4FC;
  --accent:#E8A33D;
  --accent2:#1F9C93;
  --ink:#1F2A3C;
  --ink-2:#5B6B83;
  --line:#E3EAF3;
  --page:#F6F9FC;
  --card:#FFFFFF;
  --radius-card:16px;
  --radius-poster:14px;
  --radius-btn:10px;
  --shadow:0 1px 2px rgba(16,38,74,.04), 0 8px 24px -8px rgba(16,38,74,.10);
  --shadow-hover:0 12px 32px -10px rgba(16,38,74,.18);
  --ease:cubic-bezier(.2,.7,.3,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
  padding-bottom:96px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
ul,ol{list-style:none;margin:0;padding:0}
button,input,select{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em}
time,.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}
body.no-scroll{overflow:hidden}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media (min-width:640px){.container{padding:0 24px}}
@media (min-width:1024px){.container{padding:0 32px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:0;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--brand-700);color:#fff}
.btn-primary:hover{background:var(--brand-500);transform:translateY(-1px);box-shadow:0 12px 26px -14px rgba(21,73,140,.75)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:#fff;border-color:#D6E0EE;color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand-700);color:var(--brand-700);transform:translateY(-1px)}
.btn-ghost:active{transform:scale(.98)}
.btn-white{background:#fff;color:var(--brand-700)}
.btn-white:hover{background:#F2F7FF;transform:translateY(-1px)}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;transform:none;box-shadow:none}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s var(--ease),background-color .22s var(--ease),backdrop-filter .22s var(--ease);
}
.site-header.scrolled{
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:0 6px 24px -16px rgba(16,38,74,.5);
}
.header-inner{display:flex;align-items:center;gap:14px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:28px;height:28px;border-radius:9px;background:var(--brand-700);color:#fff;
  display:grid;place-items:center;font-size:13px;flex-shrink:0;
}
.logo-text{font-size:16px;font-weight:700;color:var(--brand-900);white-space:nowrap}

.nav-menu{display:none}
.nav-link{
  position:relative;display:block;padding:9px 12px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--ink-2);
  transition:color .2s var(--ease),background-color .2s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:3px;height:2px;border-radius:2px;
  background:var(--brand-700);transition:left .22s var(--ease),right .22s var(--ease);
}
.nav-link:hover{color:var(--brand-700);background:var(--brand-50)}
.nav-link:hover::after{left:12px;right:12px}
.nav-link[aria-current="page"]{color:var(--brand-700);font-weight:600;background:transparent}
.nav-link[aria-current="page"]::after{left:12px;right:12px;height:3px}

.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.search-box{
  display:none;align-items:center;gap:8px;height:40px;width:240px;padding:0 14px;
  border:1px solid #DCE3EE;border-radius:999px;background:#fff;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-box i{font-size:13px;color:#93A3B8}
.search-box input{border:0;outline:0;background:transparent;width:100%;font-size:14px;line-height:1}
.search-box input::placeholder{color:#9AA9BE}
.search-box:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 2px rgba(46,123,214,.28)}
.mobile-search{
  display:grid;place-items:center;width:44px;height:44px;border-radius:10px;
  border:1px solid #DCE3EE;background:#fff;color:var(--brand-700);
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.mobile-search:hover{border-color:var(--brand-500);transform:translateY(-1px)}
.header-cta{display:none}

@media (min-width:1024px){
  .nav-menu{display:flex;align-items:center;gap:2px;margin-left:10px}
  .search-box{display:flex}
  .mobile-search{display:none}
  .header-cta{display:inline-flex}
}

/* 移动端搜索层 */
.search-overlay{
  display:none;padding:10px 0 14px;border-top:1px solid var(--line);background:#fff;
}
.search-overlay.open{display:block}
.search-overlay .inner{
  display:flex;align-items:center;gap:10px;height:44px;padding:0 14px;
  border:1px solid #DCE3EE;border-radius:10px;background:#fff;
}
.search-overlay .inner:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 2px rgba(46,123,214,.22)}
.search-overlay input{border:0;outline:0;background:transparent;width:100%;font-size:15px}
@media (min-width:1024px){.search-overlay{display:none !important}}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:22px 0 6px;font-size:13px;color:var(--ink-2)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.breadcrumb li{display:flex;align-items:center;gap:8px;min-width:0}
.breadcrumb li+li::before{content:"/";color:#B7C4D6}
.breadcrumb a:hover{color:var(--brand-700)}
.breadcrumb .current{
  color:var(--ink);max-width:56vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
@media (min-width:768px){.breadcrumb .current{max-width:420px}}

/* ---------- 文章头 ---------- */
.article-layout{display:block;padding-bottom:8px}
.article-main{min-width:0}
.article-head{padding:14px 0 0}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;
  background:var(--brand-50);color:var(--brand-700);font-size:12px;font-weight:600;letter-spacing:.01em;
}
.badge.teal{background:rgba(31,156,147,.12);color:var(--accent2)}
.article-head h1{
  margin:14px 0 0;
  font-size:clamp(26px,4.4vw,42px);
  font-weight:800;line-height:1.24;color:var(--brand-900);
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:16px;
  font-size:13px;color:var(--ink-2);
}
.article-meta .dot{width:4px;height:4px;border-radius:999px;background:#C6D2E2}
.article-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:18px;padding-bottom:20px;border-bottom:1px solid var(--line);
}
.author{display:flex;align-items:center;gap:10px}
.author-avatar{
  width:40px;height:40px;border-radius:999px;background:var(--brand-100);color:var(--brand-700);
  display:grid;place-items:center;font-size:14px;font-weight:700;
}
.author-info strong{display:block;font-size:14px;font-weight:600;color:var(--ink)}
.author-info span{display:block;font-size:12px;color:var(--ink-2)}
.share-group{display:flex;gap:8px}
.share-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid #DCE3EE;background:#fff;
  color:var(--ink-2);display:grid;place-items:center;font-size:14px;
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.share-btn:hover{border-color:var(--brand-700);color:var(--brand-700);transform:translateY(-1px)}
.share-btn.copied{border-color:var(--accent2);color:var(--accent2)}

/* ---------- 正文排版 ---------- */
.article-body{
  max-width:760px;padding:28px 0 0;
  font-size:17px;line-height:1.9;color:var(--ink);
  overflow-wrap:break-word;word-break:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  position:relative;margin:2em 0 .8em;padding-left:14px;
  font-size:24px;font-weight:700;line-height:1.4;color:var(--brand-900);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.32em;bottom:.32em;width:4px;border-radius:2px;background:var(--brand-700);
}
.article-body h3{margin:1.7em 0 .6em;font-size:19px;font-weight:600;line-height:1.5;color:var(--brand-900)}
.article-body h4{margin:1.4em 0 .5em;font-size:17px;font-weight:600;color:var(--brand-900)}
.article-body blockquote{
  margin:1.5em 0;padding:16px 20px;border-left:3px solid var(--brand-700);
  background:var(--brand-50);border-radius:0 12px 12px 0;color:var(--ink-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul{margin:1em 0 1.3em;padding:0}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.6em}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.78em;width:7px;height:7px;border-radius:2px;background:var(--brand-500);
}
.article-body ol{margin:1em 0 1.3em;padding-left:1.4em;list-style:decimal}
.article-body ol li{margin-bottom:.6em;padding-left:4px}
.article-body ol li::marker{color:var(--brand-700);font-weight:700}
.article-body a{color:var(--brand-700);border-bottom:1px solid rgba(21,73,140,.28)}
.article-body a:hover{border-bottom-color:var(--brand-700)}
.article-body strong{font-weight:700;color:var(--brand-900)}
.article-body figure{margin:1.8em 0}
.article-body figure img{width:100%;border-radius:var(--radius-poster);box-shadow:var(--shadow)}
.article-body figcaption{margin-top:10px;font-size:13px;color:var(--ink-2);text-align:center}
.article-body img{border-radius:var(--radius-poster);margin:1.4em 0}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.article-body table{
  width:100%;margin:1.6em 0;border-collapse:collapse;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body th,.article-body td{padding:11px 14px;border:1px solid var(--line);text-align:left}
.article-body thead th{background:var(--brand-50);color:var(--brand-900);font-weight:600}
.article-body tbody tr:nth-child(even){background:#FAFCFF}
.article-body pre{
  margin:1.6em 0;padding:16px 18px;background:#F2F5FA;border:1px solid var(--line);
  border-radius:12px;overflow-x:auto;font-size:14px;line-height:1.7;
}
.article-body code{
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  font-size:.92em;background:#F2F5FA;border-radius:6px;padding:2px 6px;color:#2A3B55;
}
.article-body pre code{background:transparent;padding:0}

/* 空态 */
.cms-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  min-height:240px;margin:36px 0;padding:32px 20px;text-align:center;
  border:1px dashed #C9D8EC;border-radius:var(--radius-card);background:#fff;
}
.cms-empty i{font-size:38px;color:#A9BDD8}
.cms-empty p{margin:0;font-size:15px;color:var(--ink-2)}

/* ---------- 文末 ---------- */
.article-foot{max-width:760px;padding:8px 0 0}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:25px}
.chip{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  border:1px solid #DCE3EE;background:#fff;font-size:13px;color:var(--ink-2);
  transition:border-color .2s var(--ease),color .2s var(--ease),background-color .2s var(--ease);
}
.chip:hover{border-color:var(--brand-500);color:var(--brand-700);background:var(--brand-50)}

.post-nav{display:grid;gap:14px;margin-top:28px}
@media (min-width:640px){.post-nav{grid-template-columns:1fr 1fr}}
.post-nav a{
  display:flex;flex-direction:column;gap:8px;padding:20px;border-radius:var(--radius-card);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.post-nav a:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#CFDFF3}
.post-nav .dir{font-size:12px;color:var(--ink-2);display:flex;align-items:center;gap:6px}
.post-nav .ttl{font-size:15px;font-weight:600;color:var(--brand-900);line-height:1.6}

.back-row{margin-top:24px}

/* ---------- 侧栏 ---------- */
.article-aside{display:none}
@media (min-width:1024px){
  .article-layout{display:flex;gap:32px;align-items:flex-start}
  .article-main{flex:1 1 auto;min-width:0}
  .article-aside{display:block;flex:0 0 240px;width:240px;position:sticky;top:96px}
}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px;box-shadow:var(--shadow);margin-bottom:18px;
}
.side-card h3{
  font-size:13px;font-weight:600;color:var(--ink-2);letter-spacing:.04em;
  padding-bottom:12px;border-bottom:1px solid var(--line);margin-bottom:14px;
}
.toc-list li{margin-bottom:10px}
.toc-list a{
  display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2);
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.toc-list a::before{content:"";width:5px;height:5px;border-radius:999px;background:#C6D2E2;flex-shrink:0}
.toc-list a:hover{color:var(--brand-700);transform:translateX(2px)}
.toc-list a:hover::before{background:var(--brand-700)}
.hot-list li{border-bottom:1px solid #F0F5FB}
.hot-list li:last-child{border-bottom:0}
.hot-list a{
  display:flex;gap:12px;align-items:flex-start;padding:11px 0;
  transition:transform .2s var(--ease);
}
.hot-list a:hover{transform:translateX(2px)}
.hot-num{
  font-size:15px;font-weight:800;color:var(--brand-100);line-height:1.4;flex-shrink:0;
  font-variant-numeric:tabular-nums;
}
.hot-list a:hover .hot-num{color:var(--brand-500)}
.hot-text{font-size:14px;line-height:1.6;color:var(--ink)}
.hot-list a:hover .hot-text{color:var(--brand-700)}
.cat-links{display:flex;flex-direction:column;gap:8px}
.cat-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:10px;background:var(--brand-50);
  font-size:14px;color:var(--brand-900);
  transition:background-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.cat-links a:hover{background:var(--brand-700);color:#fff;transform:translateX(2px)}
.cat-links i{font-size:12px}

/* ---------- 相关推荐 ---------- */
.section{padding:44px 0}
@media (min-width:768px){.section{padding:56px 0}}
@media (min-width:1024px){.section{padding:64px 0}}
.section-head{
  display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px;
}
.section-title{display:flex;align-items:center;gap:12px}
.section-title::before{
  content:"";width:4px;height:20px;border-radius:2px;background:var(--brand-700);
}
.section-title h2{font-size:22px;font-weight:700;color:var(--brand-900)}
@media (min-width:768px){.section-title h2{font-size:26px}}
.more-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:500;color:var(--ink-2);
  transition:color .2s var(--ease),gap .2s var(--ease);
}
.more-link:hover{color:var(--brand-700);gap:10px}

.card-grid{display:grid;gap:18px;grid-template-columns:1fr}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr)}}

.news-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow);overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#CFDFF3}
.news-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--brand-50)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease-out}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{display:flex;flex-direction:column;flex:1;padding:20px}
.news-body h3{
  margin:12px 0 0;font-size:17px;font-weight:600;line-height:1.55;color:var(--brand-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body p{
  margin:10px 0 0;font-size:14px;line-height:1.75;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:16px;font-size:13px;color:var(--ink-2);
}
.news-foot i{transition:transform .2s var(--ease)}
.news-card:hover .news-foot i{transform:translateX(3px);color:var(--brand-700)}

/* ---------- CTA ---------- */
.cta-band{
  display:flex;flex-direction:column;gap:20px;padding:36px 24px;border-radius:20px;
  background:linear-gradient(120deg,var(--brand-900) 0%,var(--brand-700) 100%);
  color:#fff;
}
@media (min-width:768px){
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:44px 40px;}
}
.cta-band h2{font-size:22px;font-weight:700;line-height:1.35}
@media (min-width:768px){.cta-band h2{font-size:26px}}
.cta-band p{margin:10px 0 0;font-size:15px;line-height:1.8;color:rgba(255,255,255,.82);max-width:560px}
.cta-band .btn{min-width:160px;width:100%}
@media (min-width:768px){.cta-band .btn{width:auto}}

/* ---------- 页脚 ---------- */
.site-footer{background:#F1F5FA;border-top:1px solid var(--line);margin-top:56px;padding-top:46px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:28px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}}
.footer-brand p{margin:14px 0 0;font-size:14px;line-height:1.85;color:var(--ink-2);max-width:320px}
.footer-col h3{margin:0 0 14px;font-size:13px;font-weight:600;color:var(--ink-2);letter-spacing:.03em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{display:inline-block;font-size:15px;color:var(--ink);transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-col a:hover{color:var(--brand-700);transform:translateX(2px)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:38px;padding:18px 0 24px;border-top:1px solid #E1E9F3;
  font-size:13px;color:var(--ink-2);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:16px}
.footer-bottom .links a:hover{color:var(--brand-700)}

/* ---------- 底部 Tab ---------- */
.mobile-tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:50;
  display:grid;grid-template-columns:repeat(5,1fr);
  height:60px;padding-bottom:env(safe-area-inset-bottom);
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
}
.tab-item{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  min-height:44px;font-size:10px;color:#8A97A8;
  transition:color .2s var(--ease);
}
.tab-item i{font-size:22px;line-height:1}
.tab-item::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:0;height:3px;border-radius:0 0 3px 3px;background:var(--brand-700);
  transition:width .2s var(--ease);
}
.tab-item[aria-current="page"]{color:var(--brand-700)}
.tab-item[aria-current="page"]::before{width:22px}
.tab-item:active{color:var(--brand-500)}
@media (min-width:1024px){
  .mobile-tabbar{display:none}
  body{padding-bottom:0}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --brand-900:#0D2A4E;
  --brand-700:#15498C;
  --brand-500:#2E7BD6;
  --brand-100:#DCE9F8;
  --brand-50:#EEF4FC;
  --accent:#E8A33D;
  --teal:#1F9C93;
  --ink:#1F2A3C;
  --ink-2:#5B6B83;
  --line:#E3EAF3;
  --bg:#F6F9FC;
  --card:#FFFFFF;
  --r-card:16px;
  --r-poster:14px;
  --r-btn:10px;
  --shadow-1:0 1px 2px rgba(16,38,74,.04), 0 8px 24px -8px rgba(16,38,74,.10);
  --shadow-2:0 12px 32px -10px rgba(16,38,74,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:200ms;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.3}
h1{font-size:clamp(30px,5vw,48px);font-weight:800;line-height:1.2}
h2{font-size:clamp(21px,2.8vw,27px)}
h3{font-size:18px;font-weight:600}
p{margin:0}
a{color:inherit;text-decoration:none;transition:color var(--dur) var(--ease)}
img{display:block;max-width:100%;height:auto}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}
::selection{background:var(--brand-100);color:var(--brand-900)}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px}
@media (min-width:640px){.container{padding-left:24px;padding-right:24px}}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--dur) var(--ease),background-color var(--dur) var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  backdrop-filter:saturate(180%) blur(12px);
  box-shadow:0 6px 20px -12px rgba(16,38,74,.32);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:28px;height:28px;border-radius:9px;background:var(--brand-700);color:#fff;
  display:grid;place-items:center;font-size:13px;flex-shrink:0;
}
.logo-text{font-size:16px;font-weight:800;color:var(--brand-900);letter-spacing:-.01em;white-space:nowrap}

.nav-menu{display:none;align-items:center;gap:2px}
@media (min-width:1024px){.nav-menu{display:flex}}
.nav-link{
  position:relative;display:inline-block;padding:8px 11px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--ink-2);white-space:nowrap;
  transition:color var(--dur) var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:3px;height:2px;width:0;border-radius:2px;
  background:var(--brand-700);transform:translateX(-50%);
  transition:width var(--dur) var(--ease);
}
.nav-link:hover{color:var(--brand-700)}
.nav-link:hover::after{width:calc(100% - 22px)}
.nav-link[aria-current="page"]{color:var(--brand-700);font-weight:600}
.nav-link[aria-current="page"]::after{width:calc(100% - 22px);height:3px}

.header-actions{display:flex;align-items:center;gap:10px}
.search-box{
  display:none;align-items:center;gap:8px;height:40px;width:240px;padding:0 14px;
  border-radius:999px;background:var(--brand-50);border:1px solid transparent;
  color:var(--ink-2);transition:background-color var(--dur),border-color var(--dur),box-shadow var(--dur);
}
@media (min-width:1024px){.search-box{display:flex}}
.search-box:focus-within{background:#fff;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(46,123,214,.22)}
.search-box input{flex:1;min-width:0;border:0;outline:0;background:transparent;font-size:14px}
.mobile-search{
  display:grid;place-items:center;width:44px;height:44px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  transition:color var(--dur),border-color var(--dur),background-color var(--dur);
}
.mobile-search:hover{color:var(--brand-700);border-color:var(--brand-500);background:var(--brand-50)}
@media (min-width:1024px){.mobile-search{display:none}}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:background-color var(--dur) var(--ease),color var(--dur) var(--ease),
             border-color var(--dur) var(--ease),transform var(--dur) var(--ease),
             box-shadow var(--dur) var(--ease);
}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--brand-700);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--brand-500);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:scale(.98);box-shadow:var(--shadow-1)}
.btn-outline{background:#fff;color:var(--ink);border:1px solid #D6E0EE}
.btn-outline:hover{border-color:var(--brand-700);color:var(--brand-700);transform:translateY(-1px)}
.btn-outline:active{transform:scale(.98)}
.btn-white{background:#fff;color:var(--brand-700);min-width:160px}
.btn-white:hover{background:var(--brand-100);transform:translateY(-1px)}

/* ---------- Badge / chips ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:999px;background:var(--brand-50);color:var(--brand-700);
  font-size:12px;font-weight:600;line-height:1;
}
.badge-accent{background:#FBF1DF;color:#9A6512}
.badge-teal{background:#E1F4F2;color:#12736C}
.chip{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);background:#fff;color:var(--ink-2);font-size:13px;font-weight:500;
  transition:border-color var(--dur),color var(--dur),background-color var(--dur);
}
.chip:hover{border-color:var(--brand-500);color:var(--brand-700)}

/* ---------- Category hero ---------- */
.cat-hero{
  position:relative;display:flex;align-items:center;min-height:300px;
  background-color:var(--brand-900);
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(13,42,78,.94) 0%,rgba(13,42,78,.78) 45%,rgba(13,42,78,.42) 100%);
}
.cat-hero .container{position:relative;z-index:2;padding-top:36px;padding-bottom:36px}

.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li + li::before{content:"/";opacity:.45}
.crumb-light{color:rgba(255,255,255,.75)}
.crumb-light a{color:rgba(255,255,255,.78)}
.crumb-light a:hover{color:#fff}
.crumb-light li[aria-current]{color:#fff}

.cat-hero-row{display:flex;flex-direction:column;align-items:flex-start;gap:20px;margin-top:16px}
@media (min-width:768px){
  .cat-hero-row{flex-direction:row;align-items:center;justify-content:space-between;gap:36px}
}
.cat-hero-text h1{color:#fff;font-size:clamp(26px,4vw,40px);max-width:640px}
.cat-hero-text p{margin-top:10px;color:rgba(255,255,255,.84);font-size:15px;line-height:1.7}
.stat-badge{
  display:inline-flex;flex-direction:column;gap:2px;padding:14px 22px;border-radius:16px;
  background:rgba(13,42,78,.62);border:1px solid rgba(255,255,255,.26);color:#fff;
}
.stat-badge strong{font-size:26px;font-weight:800;line-height:1.2}
.stat-badge span{font-size:13px;color:rgba(255,255,255,.78)}

/* ---------- Sections ---------- */
.section{padding:48px 0}
@media (min-width:768px){.section{padding:64px 0}}
@media (min-width:1024px){.section{padding:80px 0}}
.section-tight{padding-top:32px}
@media (min-width:768px){.section-tight{padding-top:40px}}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.section-head h2{position:relative;padding-left:14px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:20px;border-radius:2px;background:var(--brand-700);
}
.section-head .head-desc{color:var(--ink-2);font-size:14px;margin-top:8px}
.more-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700)}
.more-link i{transition:transform var(--dur) var(--ease)}
.more-link:hover i{transform:translateX(3px)}

/* ---------- Toolbar ---------- */
.toolbar{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;padding:16px;margin-bottom:26px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1);
}
.field{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 14px;
  border:1px solid #DCE3EE;border-radius:10px;background:#fff;color:var(--ink-2);font-size:14px;
  transition:border-color var(--dur),box-shadow var(--dur);
}
.field:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(46,123,214,.18)}
.field select,.field input{min-width:0;border:0;outline:0;background:transparent;font-size:14px;color:var(--ink)}
.field select{cursor:pointer}
.field-label{font-size:13px;color:var(--ink-2)}
.field-grow{flex:1 1 220px}
@media (max-width:639px){.field-grow{flex:1 1 100%;order:3}}

.view-toggle{
  display:inline-flex;align-items:center;gap:2px;height:44px;padding:3px;
  border:1px solid #DCE3EE;border-radius:10px;background:#fff;
}
.view-btn{
  display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;
  border-radius:8px;color:var(--ink-2);font-size:14px;
  transition:background-color var(--dur),color var(--dur);
}
.view-btn:hover{background:var(--brand-50);color:var(--brand-700)}
.view-btn.is-active{background:var(--brand-700);color:#fff}

/* ---------- Poster card ---------- */
.poster-card{
  display:block;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur);
}
.poster-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D3E0F2}
.poster-media{
  position:relative;aspect-ratio:2 / 3;overflow:hidden;
  background-color:var(--brand-50);
  background-image:repeating-linear-gradient(135deg,rgba(21,73,140,.07) 0 10px,rgba(21,73,140,0) 10px 20px);
}
.poster-media img{width:100%;height:100%;object-fit:cover;transition:transform 220ms var(--ease)}
.poster-card:hover .poster-media img{transform:scale(1.03)}
.poster-tag{
  position:absolute;top:10px;left:10px;padding:3px 10px;border-radius:999px;
  background:rgba(255,255,255,.94);color:var(--brand-700);font-size:12px;font-weight:600;line-height:1.6;
}
.poster-body{padding:14px 16px 16px}
.poster-title{
  font-size:15px;font-weight:600;line-height:1.45;letter-spacing:-.01em;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.poster-meta{display:flex;align-items:center;gap:8px;margin-top:8px;font-size:13px;color:var(--ink-2)}
.poster-meta .dot{width:3px;height:3px;border-radius:50%;background:#C4D2E4;flex-shrink:0}
.score{display:inline-flex;align-items:center;gap:4px;color:var(--accent);font-weight:600}
.score i{font-size:12px}

/* ---------- Pager ---------- */
.pager{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;margin-top:32px}
.pager a,.pager span{
  display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:42px;padding:0 14px;
  border-radius:10px;border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:500;color:var(--ink-2);
  transition:border-color var(--dur),color var(--dur),background-color var(--dur),transform var(--dur);
}
.pager a:hover{border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-1px)}
.pager .is-current{background:var(--brand-700);border-color:var(--brand-700);color:#fff;font-weight:600}
.pager .is-current:hover{transform:none;color:#fff}

/* ---------- Note card ---------- */
.note-card{
  background:var(--brand-50);border:1px solid #D9E7F8;border-radius:20px;padding:26px;
}
@media (min-width:768px){.note-card{padding:36px}}
.note-grid{display:grid;grid-template-columns:1fr;gap:28px}
@media (min-width:900px){.note-grid{grid-template-columns:1.15fr .85fr;gap:44px}}
.note-card h2{margin-bottom:14px}
.note-card p + p{margin-top:12px}
.note-card p{font-size:15px;color:var(--ink-2);line-height:1.85}
.check-list li{position:relative;padding-left:26px;margin-bottom:12px;font-size:15px;color:var(--ink);line-height:1.7}
.check-list li::before{
  content:"";position:absolute;left:2px;top:8px;width:8px;height:13px;
  border-right:2px solid var(--brand-700);border-bottom:2px solid var(--brand-700);
  transform:rotate(40deg);
}

/* ---------- News card ---------- */
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.news-media{
  aspect-ratio:16 / 9;overflow:hidden;background-color:var(--brand-50);
  background-image:repeating-linear-gradient(135deg,rgba(21,73,140,.07) 0 10px,rgba(21,73,140,0) 10px 20px);
}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform 220ms var(--ease)}
.news-card:hover .news-media img{transform:scale(1.02)}
.news-body{display:flex;flex-direction:column;gap:10px;flex:1;padding:18px 20px 20px}
.news-title{
  font-size:17px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-summary{
  font-size:14px;color:var(--ink-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;font-size:13px;color:var(--ink-2)}
.news-foot .go{display:inline-flex;align-items:center;gap:6px;color:var(--brand-700);font-weight:600}
.news-card:hover .news-foot .go i{transform:translateX(3px)}
.news-foot .go i{transition:transform var(--dur) var(--ease)}

/* ---------- CTA band ---------- */
.cta-band{
  display:flex;flex-direction:column;gap:20px;padding:28px;border-radius:20px;
  background:linear-gradient(120deg,#0D2A4E 0%,#15498C 100%);color:#fff;
}
@media (min-width:768px){
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:36px 40px;gap:32px}
}
.cta-band h2{color:#fff;font-size:clamp(20px,2.6vw,26px)}
.cta-band p{margin-top:8px;font-size:15px;color:rgba(255,255,255,.8);line-height:1.7}
@media (max-width:767px){.cta-band .btn{align-self:stretch}}

/* ---------- Footer ---------- */
.site-footer{background:#F1F5FA;border-top:1px solid var(--line);padding-top:48px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:28px}
@media (min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}}
.footer-brand p{margin-top:14px;max-width:330px;font-size:14px;color:var(--ink-2);line-height:1.8}
.footer-col h3{font-size:13px;font-weight:600;color:var(--ink-2);letter-spacing:.04em;margin-bottom:14px}
.footer-col li{margin-bottom:10px}
.footer-col a{display:inline-block;font-size:15px;color:var(--ink);transition:color var(--dur),transform var(--dur)}
.footer-col a:hover{color:var(--brand-700);transform:translateX(2px)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:36px;padding:18px 0 28px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-2);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:16px}
.footer-bottom a{color:var(--ink-2)}
.footer-bottom a:hover{color:var(--brand-700)}

/* ---------- Mobile tabbar ---------- */
.tabbar{
  position:fixed;left:0;right:0;bottom:0;z-index:60;
  display:grid;grid-template-columns:repeat(5,1fr);
  background:rgba(255,255,255,.95);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  backdrop-filter:saturate(180%) blur(12px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
}
@media (min-width:1024px){.tabbar{display:none}}
.tab-item{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;height:60px;min-width:44px;color:#8A97A8;font-size:10px;line-height:1.2;
  transition:color var(--dur) var(--ease);
}
.tab-item i{font-size:20px}
.tab-item::before{
  content:"";position:absolute;top:0;left:50%;width:28px;height:3px;
  border-radius:0 0 3px 3px;background:var(--brand-700);
  transform:translateX(-50%) scaleX(0);transform-origin:center;
  transition:transform var(--dur) var(--ease);
}
.tab-item:hover{color:var(--brand-700)}
.tab-item.is-active{color:var(--brand-700);font-weight:600}
.tab-item.is-active::before{transform:translateX(-50%) scaleX(1)}
@media (max-width:1023px){body{padding-bottom:76px}}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important}
}

/* roulang page: category2 */
:root{
  --brand-900:#0D2A4E;
  --brand-700:#15498C;
  --brand-500:#2E7BD6;
  --brand-100:#DCE9F8;
  --brand-50:#EEF4FC;
  --accent:#E8A33D;
  --accent2:#1F9C93;
  --ink:#1F2A3C;
  --ink-2:#5B6B83;
  --line:#E3EAF3;
  --bg:#F6F9FC;
  --card:#FFFFFF;
  --radius-card:16px;
  --radius-poster:14px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(16,38,74,.04), 0 8px 24px -8px rgba(16,38,74,.10);
  --shadow-hover:0 12px 32px -10px rgba(16,38,74,.18);
  --ease:200ms ease-out;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font:inherit;color:inherit;}
h1,h2,h3,h4,p{margin:0;}
time{font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px;}
@media(min-width:640px){.container{padding-left:24px;padding-right:24px;}}
@media(min-width:1024px){.container{padding-left:32px;padding-right:32px;}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:16px;height:68px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:28px;height:28px;border-radius:8px;background:var(--brand-700);color:#fff;
  display:grid;place-items:center;font-size:13px;flex-shrink:0;
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:-.02em;color:var(--brand-900);white-space:nowrap;}
.nav-menu{display:none;}
@media(min-width:1024px){
  .nav-menu{display:flex;align-items:center;gap:2px;margin-left:16px;}
}
.nav-link{
  position:relative;display:inline-block;padding:8px 12px;border-radius:8px;
  font-size:15px;font-weight:500;color:var(--ink-2);
  transition:color var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:50%;right:50%;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand-700);transition:left var(--ease),right var(--ease);
}
.nav-link:hover{color:var(--brand-700);}
.nav-link:hover::after{left:12px;right:12px;}
.nav-link.active{color:var(--brand-700);font-weight:600;}
.nav-link.active::after{left:12px;right:12px;height:3px;}

.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.search-box{
  display:none;align-items:center;gap:8px;width:240px;height:40px;padding:0 14px;
  border-radius:999px;background:var(--brand-50);border:1px solid transparent;color:var(--ink-2);
  transition:all var(--ease);
}
.search-box input{width:100%;border:0;background:transparent;outline:none;font-size:14px;}
.search-box input::placeholder{color:#93A2B8;}
.search-box:focus-within{background:#fff;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(46,123,214,.22);}
@media(min-width:768px){.search-box{display:flex;}}
.mobile-search{
  display:grid;place-items:center;width:40px;height:40px;border-radius:999px;
  background:var(--brand-50);color:var(--brand-700);transition:background var(--ease);
}
.mobile-search:hover{background:var(--brand-100);}
@media(min-width:768px){.mobile-search{display:none;}}
@media(max-width:639px){
  .logo-text{font-size:15px;}
  .header-actions .btn-primary{display:none;}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-primary{background:var(--brand-700);color:#fff;box-shadow:0 8px 20px -12px rgba(21,73,140,.75);}
.btn-primary:hover{background:var(--brand-500);transform:translateY(-1px);}
.btn-primary:active{transform:scale(.98);}
.btn-outline{background:#fff;border-color:#D6E0EE;color:var(--ink);}
.btn-outline:hover{border-color:var(--brand-700);color:var(--brand-700);}
.btn-light{background:#fff;color:var(--brand-700);min-width:160px;}
.btn-light:hover{background:var(--brand-50);transform:translateY(-1px);}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;}
.btn:focus-visible,.nav-link:focus-visible,a:focus-visible,.chip:focus-visible{
  outline:2px solid var(--brand-500);outline-offset:2px;
}

/* ---------- Badges / chips ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  background:var(--brand-50);color:var(--brand-700);font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-teal{background:rgba(31,156,147,.10);color:var(--accent2);}
.chip{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13px;color:var(--ink-2);
  transition:all var(--ease);
}
.chip:hover{border-color:var(--brand-500);color:var(--brand-700);}
.chip.active{background:var(--brand-700);border-color:var(--brand-700);color:#fff;}
.chip.active:hover{color:#fff;}

/* ---------- Page head ---------- */
.page-head{background:#fff;border-bottom:1px solid var(--line);padding-top:28px;}
.page-head-inner{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:20px;padding-bottom:28px;
}
.page-head h1{
  font-size:clamp(26px,4vw,38px);font-weight:800;line-height:1.25;letter-spacing:-.02em;
  color:var(--brand-900);margin:14px 0 12px;
}
.page-head-desc{font-size:15px;line-height:1.8;color:var(--ink-2);max-width:640px;}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);}
.breadcrumb li{display:flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:#B7C4D6;}
.breadcrumb a{transition:color var(--ease);}
.breadcrumb a:hover{color:var(--brand-700);}
.breadcrumb [aria-current="page"]{color:var(--brand-700);font-weight:600;}

/* ---------- Catalog layout ---------- */
.catalog-section{padding:28px 0 0;}
.filter-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px;}
.filter-toggle{display:inline-flex;}
@media(min-width:1024px){.filter-toggle{display:none;}}
.catalog-layout{display:flex;gap:32px;align-items:flex-start;}

.filter-panel{width:240px;flex:0 0 240px;}
.filter-panel h2{font-size:17px;font-weight:700;color:var(--brand-900);margin-bottom:18px;}
.filter-group{padding-bottom:20px;margin-bottom:20px;border-bottom:1px solid var(--line);}
.filter-group:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0;}
.filter-group h3{
  font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--ink-2);margin-bottom:12px;
}
.check{
  display:flex;align-items:center;gap:10px;font-size:14px;color:var(--ink);
  padding:5px 0;cursor:pointer;transition:color var(--ease);
}
.check:hover{color:var(--brand-700);}
.check input{width:17px;height:17px;accent-color:var(--brand-700);flex-shrink:0;cursor:pointer;}
.chip-row{display:flex;flex-wrap:wrap;gap:8px;}
.filter-done{width:100%;margin-top:8px;}

.catalog-main{flex:1;min-width:0;}
.result-bar{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--ink-2);margin-bottom:18px;
}
.result-bar strong{color:var(--brand-700);font-variant-numeric:tabular-nums;}

.poster-grid{display:grid;grid-template-columns:repeat(1,minmax(0,1fr));gap:20px;}
@media(min-width:520px){.poster-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:768px){.poster-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}

.poster-card{
  background:var(--card);border-radius:var(--radius-card);overflow:hidden;
  border:1px solid rgba(227,234,243,.9);box-shadow:var(--shadow-card);
  transition:transform var(--ease),box-shadow var(--ease);
}
.poster-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.poster-thumb{
  position:relative;display:block;aspect-ratio:3/4;overflow:hidden;
  background:var(--brand-50);
  background-image:linear-gradient(135deg,rgba(255,255,255,.6) 0%,rgba(220,233,248,.2) 55%,rgba(255,255,255,.5) 100%);
}
.poster-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 240ms ease-out;}
.poster-card:hover .poster-thumb img{transform:scale(1.03);}
.poster-thumb::after{
  content:"";position:absolute;inset:auto 0 0 0;height:46%;
  background:linear-gradient(to top,rgba(13,42,78,.62),rgba(13,42,78,0));
}
.poster-tag{
  position:absolute;top:12px;left:12px;z-index:2;
  padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.94);
  color:var(--brand-700);font-size:12px;font-weight:600;
}
.poster-state{
  position:absolute;bottom:12px;left:12px;z-index:2;display:inline-flex;align-items:center;gap:6px;
  color:#fff;font-size:12px;font-weight:500;
}
.state-dot{width:7px;height:7px;border-radius:50%;background:var(--accent2);box-shadow:0 0 0 3px rgba(31,156,147,.25);}
.poster-body{padding:16px 18px 18px;}
.poster-body h3{font-size:17px;font-weight:600;line-height:1.45;color:var(--brand-900);margin-bottom:8px;}
.poster-body h3 a{transition:color var(--ease);}
.poster-body h3 a:hover{color:var(--brand-700);}
.poster-meta{font-size:13px;color:var(--ink-2);margin-bottom:10px;}
.poster-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;}
.score{color:var(--accent);font-weight:700;font-variant-numeric:tabular-nums;}
.score i{font-size:11px;margin-right:4px;}

.load-more{display:flex;justify-content:center;margin-top:32px;}
.load-more .btn{width:240px;max-width:100%;}

/* ---------- Sections ---------- */
.section{padding:56px 0;}
@media(min-width:1024px){.section{padding:72px 0;}}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px;}
.section-title{display:flex;align-items:center;gap:12px;}
.section-title::before{content:"";width:4px;height:20px;border-radius:2px;background:var(--brand-700);flex-shrink:0;}
.section-title h2{font-size:22px;font-weight:700;letter-spacing:-.01em;color:var(--brand-900);}
@media(min-width:768px){.section-title h2{font-size:26px;}}
.section-sub{font-size:14px;color:var(--ink-2);margin-top:8px;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  color:var(--brand-700);transition:gap var(--ease);
}
.link-more:hover{gap:10px;}

.quick-grid{display:grid;gap:14px;grid-template-columns:repeat(1,minmax(0,1fr));}
@media(min-width:640px){.quick-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.quick-grid{grid-template-columns:repeat(5,minmax(0,1fr));}}
.quick-item{
  background:#fff;border-radius:var(--radius-card);padding:18px;
  border:1px solid rgba(227,234,243,.9);box-shadow:var(--shadow-card);
  transition:transform var(--ease),box-shadow var(--ease);
}
.quick-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.quick-num{
  font-size:26px;font-weight:800;line-height:1;color:var(--brand-100);
  font-variant-numeric:tabular-nums;margin-bottom:12px;
}
.quick-item h3{font-size:16px;font-weight:600;color:var(--brand-900);margin-bottom:6px;}
.quick-item p{font-size:13px;color:var(--ink-2);}

.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.tag-item{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:14px;color:var(--ink);
  box-shadow:0 1px 2px rgba(16,38,74,.04);transition:all var(--ease);
}
.tag-item:hover{border-color:var(--brand-500);color:var(--brand-700);transform:translateY(-1px);}
.tag-item span{font-size:12px;color:var(--ink-2);font-variant-numeric:tabular-nums;}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,#0D2A4E 0%,#15498C 100%);
  border-radius:20px;padding:30px 26px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  color:#fff;
}
@media(min-width:768px){.cta-band{padding:36px 40px;}}
.cta-band h2{font-size:22px;font-weight:700;letter-spacing:-.01em;}
.cta-band p{margin-top:8px;font-size:14px;color:rgba(255,255,255,.78);max-width:520px;}
@media(max-width:639px){
  .cta-band{flex-direction:column;align-items:flex-start;}
  .cta-band .btn{width:100%;}
}

/* ---------- Footer ---------- */
.site-footer{
  background:#F1F5FA;border-top:1px solid var(--line);
  padding:48px 0 24px;margin-top:56px;
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:30px;}
@media(min-width:640px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.8;color:var(--ink-2);max-width:340px;}
@media(max-width:1023px){.footer-brand{grid-column:1 / -1;}}
.footer-col h3{font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--ink-2);margin-bottom:14px;}
.footer-col li{margin-bottom:10px;font-size:15px;}
.footer-col a{display:inline-block;color:var(--ink);transition:color var(--ease),transform var(--ease);}
.footer-col a:hover{color:var(--brand-700);transform:translateX(2px);}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--ink-2);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:16px;}
.footer-bottom a{transition:color var(--ease);}
.footer-bottom a:hover{color:var(--brand-700);}

/* ---------- Mobile tabs ---------- */
.mobile-tabs{
  position:fixed;left:0;right:0;bottom:0;z-index:60;
  display:grid;grid-template-columns:repeat(5,1fr);
  height:calc(60px + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom);
  background:rgba(255,255,255,.95);
  backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
}
@media(min-width:1024px){.mobile-tabs{display:none;}}
.tab-item{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;font-size:10px;color:#8A97A8;min-height:44px;transition:color var(--ease);
}
.tab-item i{font-size:22px;line-height:1;}
.tab-item.active{color:var(--brand-700);font-weight:600;}
.tab-item.active::before{
  content:"";position:absolute;top:5px;width:20px;height:3px;border-radius:999px;background:var(--brand-700);
}

/* ---------- Mobile filter drawer & search layer ---------- */
.filter-mask{
  position:fixed;inset:0;z-index:65;background:rgba(13,42,78,.42);
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);
}
.filter-mask.show{opacity:1;visibility:visible;}
@media(min-width:1024px){.filter-mask{display:none;}}
@media(max-width:1023px){
  .filter-panel{
    position:fixed;top:0;right:0;bottom:0;z-index:70;
    width:min(320px,86vw);flex:none;
    background:#fff;padding:24px;overflow-y:auto;
    transform:translateX(102%);transition:transform 240ms ease-out;
    box-shadow:-12px 0 40px -20px rgba(16,38,74,.35);
  }
  .filter-panel.open{transform:none;}
}
.mobile-search-layer{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:#fff;border-bottom:1px solid var(--line);
  padding:14px 16px;display:none;gap:10px;align-items:center;
  box-shadow:0 12px 30px -20px rgba(16,38,74,.4);
}
.mobile-search-layer.open{display:flex;}
.mobile-search-layer input{
  flex:1;height:44px;border-radius:var(--radius-btn);border:1px solid #DCE3EE;
  padding:0 14px;outline:none;font-size:15px;transition:border-color var(--ease),box-shadow var(--ease);
}
.mobile-search-layer input:focus{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(46,123,214,.18);}
.mobile-search-layer button{
  width:44px;height:44px;border-radius:var(--radius-btn);background:var(--brand-50);color:var(--brand-700);
}
@media(min-width:768px){.mobile-search-layer{display:none !important;}}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(10px);transition:opacity 300ms ease-out,transform 300ms ease-out;}
.reveal.visible{opacity:1;transform:none;}
@media(prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

.site-main{padding-bottom:20px;}
@media(max-width:1023px){
  .site-main{padding-bottom:96px;}
  .site-footer{padding-bottom:calc(60px + env(safe-area-inset-bottom) + 24px);margin-top:40px;}
}

/* roulang page: category3 */
:root{
  --brand-900:#0D2A4E;
  --brand-700:#15498C;
  --brand-500:#2E7BD6;
  --brand-100:#DCE9F8;
  --brand-50:#EEF4FC;
  --accent:#E8A33D;
  --accent2:#1F9C93;
  --ink:#1F2A3C;
  --ink-2:#5B6B83;
  --line:#E3EAF3;
  --bg:#F6F9FC;
  --card:#FFFFFF;
  --radius-card:16px;
  --radius-poster:14px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(16,38,74,.04),0 8px 24px -8px rgba(16,38,74,.10);
  --shadow-2:0 12px 32px -10px rgba(16,38,74,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  padding-bottom:76px;
  -webkit-font-smoothing:antialiased;
}
@media (min-width:1024px){body{padding-bottom:0}}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4,p{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
:focus-visible{outline:2px solid var(--brand-500);outline-offset:2px;border-radius:6px}

.container{max-width:1200px;margin:0 auto;padding:0 16px}
@media (min-width:640px){.container{padding:0 24px}}
@media (min-width:1024px){.container{padding:0 32px}}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .22s var(--ease),background .22s var(--ease)}
.site-header.is-scrolled{background:rgba(255,255,255,.94);backdrop-filter:blur(12px);box-shadow:0 8px 24px -18px rgba(16,38,74,.45)}
.header-inner{position:relative;display:flex;align-items:center;gap:12px;height:68px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{width:28px;height:28px;border-radius:8px;background:var(--brand-700);color:#fff;display:grid;place-items:center;font-size:13px;flex:none}
.logo-text{font-size:16px;font-weight:700;letter-spacing:-.01em;color:var(--brand-900);white-space:nowrap}
@media (max-width:420px){.logo-text{font-size:14px}}
.nav-menu{display:none}
@media (min-width:1024px){
  .nav-menu{display:flex;align-items:center;gap:4px;margin-left:12px}
}
.nav-link{position:relative;display:inline-block;padding:10px 12px;font-size:15px;font-weight:500;color:var(--ink-2);transition:color .2s var(--ease)}
.nav-link::after{content:"";position:absolute;left:50%;right:50%;bottom:2px;height:2px;border-radius:2px;background:var(--brand-500);transition:left .2s var(--ease),right .2s var(--ease)}
.nav-link:hover{color:var(--brand-700)}
.nav-link:hover::after{left:12px;right:12px}
.nav-link[aria-current="page"]{color:var(--brand-700);font-weight:600}
.nav-link[aria-current="page"]::after{left:12px;right:12px;height:3px;background:var(--brand-700)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.search-box{display:none;align-items:center;gap:8px;height:40px;width:240px;padding:0 14px;border-radius:999px;background:var(--brand-50);border:1px solid transparent;transition:background .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease)}
@media (min-width:1024px){.search-box{display:flex}}
.search-box i{color:var(--ink-2);font-size:13px}
.search-box input{border:0;background:transparent;outline:none;width:100%;font-size:14px;color:var(--ink)}
.search-box input::placeholder{color:#93A2B8}
.search-box:focus-within{background:#fff;border-color:var(--brand-500);box-shadow:0 0 0 2px rgba(46,123,214,.28)}
.mobile-search{display:grid;place-items:center;width:42px;height:42px;border-radius:var(--radius-btn);border:1px solid var(--line);color:var(--ink-2);transition:border-color .2s var(--ease),color .2s var(--ease)}
.mobile-search:hover{border-color:var(--brand-500);color:var(--brand-700)}
@media (min-width:1024px){.mobile-search{display:none}}
@media (max-width:639px){.header-actions .btn-primary{display:none}}
.search-layer{position:absolute;left:0;right:0;top:68px;padding:12px 16px;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-1)}
@media (min-width:1024px){.search-layer{display:none !important}}
.search-layer .search-box{display:flex;width:100%}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;border:1px solid transparent;white-space:nowrap;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--brand-700);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--brand-500);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:scale(.98)}
.btn-outline{background:#fff;color:var(--ink);border-color:#D6E0EE}
.btn-outline:hover{border-color:var(--brand-700);color:var(--brand-700)}
.btn-light{background:#fff;color:var(--brand-700);box-shadow:0 10px 26px -14px rgba(0,0,0,.6)}
.btn-light:hover{transform:translateY(-1px);box-shadow:0 16px 32px -14px rgba(0,0,0,.55)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.72)}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff}
.btn[disabled]{opacity:.45;pointer-events:none}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:600;background:var(--brand-50);color:var(--brand-700)}
.badge-solid{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.34);backdrop-filter:blur(4px)}
.badge-accent{background:rgba(232,163,61,.14);color:#B2741B}
.chip{display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--ink-2);transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease)}
.chip:hover{border-color:var(--brand-500);color:var(--brand-700)}
.chip.is-active{background:var(--brand-700);border-color:var(--brand-700);color:#fff}
.dot-online{width:7px;height:7px;border-radius:50%;background:var(--accent2);flex:none}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
@media (min-width:1024px){
  .tag-cloud{flex-direction:column;flex-wrap:nowrap;gap:10px}
  .tag-cloud .chip{width:100%;justify-content:flex-start}
}

/* ---------- 面包屑 ---------- */
.crumb{padding-top:20px}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2)}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:#B8C4D6}
.crumb a:hover{color:var(--brand-700)}
.crumb [aria-current="page"]{color:var(--ink);font-weight:600}

/* ---------- 杂志首屏 ---------- */
.mag{display:grid;gap:24px;padding:20px 0 0}
@media (min-width:1024px){.mag{grid-template-columns:minmax(0,1fr) 250px;gap:32px;padding-top:24px}}
.mag-card{position:relative;border-radius:20px;overflow:hidden;aspect-ratio:16/9;min-height:340px;box-shadow:var(--shadow-1);background:var(--brand-50)}
@media (max-width:767px){.mag-card{aspect-ratio:auto;min-height:460px}}
.mag-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.mag-overlay{position:absolute;inset:0;background:linear-gradient(90deg,rgba(13,42,78,.92) 0%,rgba(13,42,78,.66) 48%,rgba(13,42,78,.2) 100%)}
.mag-body{position:relative;z-index:2;display:flex;flex-direction:column;justify-content:flex-end;gap:14px;height:100%;padding:26px 22px}
@media (min-width:768px){.mag-body{padding:36px 40px;max-width:680px}}
.mag-body h1{font-size:clamp(26px,4.4vw,42px);font-weight:800;line-height:1.22;letter-spacing:-.02em;color:#fff}
.mag-sub{font-size:15px;color:rgba(255,255,255,.86);line-height:1.7}
.mag-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:4px}
@media (max-width:639px){
  .mag-actions{flex-direction:column}
  .mag-actions .btn{width:100%}
}
.mag-aside{display:flex;flex-direction:column;gap:12px}
.mag-aside-title{font-size:13px;font-weight:600;color:var(--ink-2);letter-spacing:.04em}

/* ---------- 通用板块 ---------- */
.section{padding:44px 0}
@media (min-width:768px){.section{padding:60px 0}}
@media (min-width:1024px){.section{padding:76px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:24px}
.section-title{position:relative;padding-left:14px;font-size:24px;font-weight:700;line-height:1.3;letter-spacing:-.01em}
@media (min-width:768px){.section-title{font-size:27px}}
.section-title::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:20px;border-radius:2px;background:var(--brand-700)}
.section-sub{font-size:14px;color:var(--ink-2);margin-top:8px;max-width:640px}
.section-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-700);transition:color .2s var(--ease),gap .2s var(--ease)}
.section-link:hover{color:var(--brand-500);gap:10px}

/* ---------- 指标带 ---------- */
.stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
@media (min-width:1024px){.stats{grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow-1);transition:box-shadow .2s var(--ease),transform .2s var(--ease)}
.stat:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.stat-num{font-size:28px;font-weight:800;letter-spacing:-.02em;color:var(--brand-900);font-variant-numeric:tabular-nums;line-height:1.2}
@media (min-width:768px){.stat-num{font-size:32px}}
.stat-label{margin-top:8px;font-size:14px;font-weight:600}
.stat-desc{margin-top:4px;font-size:13px;line-height:1.6;color:var(--ink-2)}

/* ---------- 三步流程 ---------- */
.steps{display:grid;gap:16px}
@media (min-width:768px){.steps{grid-template-columns:repeat(3,minmax(0,1fr))}}
.step{position:relative;background:linear-gradient(180deg,#fff 0%,var(--brand-50) 100%);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px 22px;transition:box-shadow .2s var(--ease),transform .2s var(--ease)}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.step-num{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--brand-700)}
.step h3{margin-top:10px;font-size:19px;font-weight:600;line-height:1.4}
.step p{margin-top:8px;font-size:14px;line-height:1.7;color:var(--ink-2)}
.step-tip{margin-top:12px;font-size:13px;color:var(--brand-700);display:inline-flex;align-items:center;gap:6px}

/* ---------- 优化前后对照 ---------- */
.compare{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:8px 20px 16px;box-shadow:var(--shadow-1)}
.cmp-legend{display:flex;flex-wrap:wrap;gap:18px;padding:14px 0;border-bottom:1px solid var(--line);font-size:13px;color:var(--ink-2)}
.cmp-legend span{display:inline-flex;align-items:center;gap:8px}
.legend-swatch{width:22px;height:8px;border-radius:999px;display:inline-block}
.swatch-before{background:#C6D2E3}
.swatch-after{background:linear-gradient(90deg,var(--brand-500),var(--brand-700))}
.cmp-row{display:grid;grid-template-columns:1fr auto;gap:8px 12px;align-items:center;padding:16px 0;border-bottom:1px dashed var(--line)}
.cmp-row:last-child{border-bottom:0}
.cmp-name{font-size:14px;font-weight:600}
.cmp-val{font-size:13px;font-weight:600;color:var(--brand-700);text-align:right;font-variant-numeric:tabular-nums}
.cmp-bars{grid-column:1/-1;display:grid;gap:8px}
@media (min-width:768px){
  .cmp-row{grid-template-columns:160px minmax(0,1fr) 150px}
  .cmp-bars{grid-column:auto}
}
.bar{height:10px;border-radius:999px;background:var(--brand-50);overflow:hidden}
.bar i{display:block;height:100%;border-radius:999px;width:var(--w,50%)}
.bar-before i{background:#C6D2E3}
.bar-after i{background:linear-gradient(90deg,var(--brand-500),var(--brand-700))}

/* ---------- 条目列表 ---------- */
.entry-grid{display:grid}
@media (min-width:1024px){.entry-grid{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:40px}}
.entry{display:flex;align-items:center;gap:16px;padding:18px 12px;border-bottom:1px solid var(--line);transition:background .18s var(--ease)}
.entry:hover{background:var(--brand-50)}
.entry-thumb{flex:none;width:96px;aspect-ratio:3/4;border-radius:12px;overflow:hidden;background:var(--brand-50)}
@media (max-width:520px){.entry-thumb{width:76px}}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .22s var(--ease)}
.entry:hover .entry-thumb img{transform:scale(1.03)}
.entry-body{flex:1;min-width:0}
.entry-title{font-size:16px;font-weight:600;line-height:1.45;transition:color .18s var(--ease)}
.entry:hover .entry-title{color:var(--brand-700)}
.entry-desc{margin-top:4px;font-size:13px;line-height:1.65;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.entry-meta{margin-top:6px;display:flex;flex-wrap:wrap;gap:12px;font-size:12px;color:#8494AB}
.entry-arrow{flex:none;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--line);color:var(--brand-700);background:#fff;transition:transform .2s var(--ease),border-color .2s var(--ease)}
.entry:hover .entry-arrow{transform:translateX(3px);border-color:var(--brand-500)}

/* ---------- FAQ ---------- */
.faq{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);max-width:900px}
.faq-item+.faq-item{border-top:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:56px;padding:16px 20px;font-size:16px;font-weight:600;text-align:left;transition:background .18s var(--ease)}
.faq-q:hover{background:var(--brand-50)}
.faq-q i{font-size:14px;color:var(--brand-700);transition:transform .22s var(--ease)}
.faq-item.is-open .faq-q i{transform:rotate(45deg)}
.faq-a{display:none;padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--ink-2)}
.faq-item.is-open .faq-a{display:block}

/* ---------- CTA ---------- */
.cta{background:linear-gradient(120deg,var(--brand-900) 0%,var(--brand-700) 100%);border-radius:20px;padding:28px 24px;display:flex;flex-direction:column;gap:18px;color:#fff}
@media (min-width:768px){.cta{flex-direction:row;align-items:center;justify-content:space-between;padding:38px 44px;gap:32px}}
.cta h2{font-size:23px;font-weight:700;line-height:1.35;letter-spacing:-.01em}
@media (min-width:768px){.cta h2{font-size:27px}}
.cta p{margin-top:8px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.8);max-width:560px}
.cta .btn{min-width:160px}
@media (max-width:767px){.cta .btn{width:100%}}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:24px;background:#F1F5FA;border-top:1px solid var(--line);padding-top:40px}
.footer-grid{display:grid;gap:28px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}}
.footer-brand p{margin-top:12px;font-size:14px;line-height:1.8;color:var(--ink-2);max-width:330px}
.footer-col h3{font-size:13px;font-weight:600;color:var(--ink-2);letter-spacing:.02em;margin-bottom:14px}
.footer-col li+li{margin-top:10px}
.footer-col a{display:inline-block;font-size:15px;color:var(--ink);transition:color .18s var(--ease),transform .18s var(--ease)}
.footer-col a:hover{color:var(--brand-700);transform:translateX(2px)}
.footer-bottom{margin-top:32px;padding:18px 0 26px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:10px;font-size:13px;color:var(--ink-2)}
@media (min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between}}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:16px}
.footer-bottom a:hover{color:var(--brand-700)}

/* ---------- 移动端底部 Tab ---------- */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:50;display:flex;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-top:1px solid var(--line);min-height:60px;padding-bottom:env(safe-area-inset-bottom)}
@media (min-width:1024px){.tabbar{display:none}}
.tab{flex:1;position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;min-height:44px;font-size:10px;color:#8A97A8;transition:color .18s var(--ease)}
.tab i{font-size:20px;line-height:1}
.tab[aria-current="page"]{color:var(--brand-700);font-weight:600}
.tab[aria-current="page"]::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:26px;height:3px;border-radius:0 0 3px 3px;background:var(--brand-700)}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}