/* roulang page: index */
:root{
  --c-ink-900:#0A2422;
  --c-brand-900:#06302D;
  --c-brand-700:#0F5D57;
  --c-brand-600:#14786E;
  --c-brand-500:#1B9486;
  --c-brand-200:#A9DED4;
  --c-brand-50:#E9F6F3;
  --c-accent-500:#FF6A3D;
  --c-accent-300:#FFC24B;
  --c-bg:#F6F3ED;
  --c-surface:#FFFFFF;
  --c-line:#E4E0D8;
  --c-text:#17211F;
  --c-text-2:#4E615D;
  --c-text-3:#6B7C78;
  --brand-grad:linear-gradient(135deg,#06302D 0%,#0F5D57 42%,#1B9486 100%);
  --accent-grad:linear-gradient(90deg,#FF6A3D 0%,#E8A21A 100%);
  --mask-grad:linear-gradient(180deg,rgba(6,48,45,.78) 0%,rgba(6,48,45,.30) 58%,rgba(6,48,45,.86) 100%);
  --shadow-card:0 10px 30px -12px rgba(11,71,65,.22);
  --shadow-hover:0 18px 40px -16px rgba(11,71,65,.34);
  --radius-card:24px;
  --radius-mid:18px;
  --radius-img:16px;
  --radius-btn:14px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:none;padding:0}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-accent-300);outline-offset:2px;border-radius:6px}
::selection{background:rgba(27,148,134,.24)}

/* ============ 容器与板块 ============ */
.site-container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:768px){.site-container{padding-left:32px;padding-right:32px}}

.section{padding-top:52px;padding-bottom:52px}
@media (min-width:768px){.section{padding-top:80px;padding-bottom:80px}}
.section-plain{background:var(--c-bg)}
.section-white{background:var(--c-surface)}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:26px}
@media (min-width:768px){.section-head{margin-bottom:34px}}
.section-title{position:relative;padding-left:14px;font-size:22px;font-weight:700;line-height:1.35;letter-spacing:-.01em;color:var(--c-ink-900)}
@media (min-width:768px){.section-title{font-size:28px}}
.section-title::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:20px;border-radius:3px;background:var(--c-brand-700)}
.section-note{margin-top:10px;font-size:14px;line-height:1.7;color:var(--c-text-2);max-width:640px}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-brand-700);transition:color .2s ease-out}
.link-more svg{transition:transform .2s ease-out}
.link-more:hover{color:var(--c-brand-500)}
.link-more:hover svg{transform:translateX(3px)}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff;box-shadow:0 1px 0 var(--c-line)}
.nav-top{height:64px;display:flex;align-items:center;gap:14px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:26px;height:26px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(135deg,#06302D 0%,#0F5D57 45%,#1B9486 100%);
  box-shadow:0 6px 14px -6px rgba(15,93,87,.75);
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--c-ink-900);white-space:nowrap}

.nav-search{display:none;position:relative;flex:1;max-width:340px;margin:0 auto}
@media (min-width:768px){.nav-search{display:block}}
.nav-search svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--c-brand-600);opacity:.75;pointer-events:none}
.nav-search input{
  width:100%;height:40px;border-radius:999px;border:1px solid var(--c-line);
  background:var(--c-brand-50);padding:0 16px 0 38px;font-size:14px;
  transition:border-color .2s ease-out,box-shadow .2s ease-out,background .2s ease-out;
}
.nav-search input::placeholder{color:var(--c-text-3)}
.nav-search input:focus{
  outline:none;background:#fff;border-color:var(--c-brand-600);
  box-shadow:0 0 0 4px rgba(27,148,134,.15);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:inline-flex;width:44px;height:44px;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--c-line);background:#fff;color:var(--c-brand-700);
  transition:background .2s ease-out,border-color .2s ease-out;
}
.nav-toggle:hover{background:var(--c-brand-50);border-color:var(--c-brand-200)}
@media (min-width:768px){.nav-toggle{display:none}}

.nav-channels{background:var(--c-brand-50);border-top:1px solid var(--c-line)}
.nav-channels-inner{
  height:44px;display:flex;align-items:center;gap:8px;
  overflow-x:auto;scroll-snap-type:x proximity;-ms-overflow-style:none;scrollbar-width:none;
}
.nav-channels-inner::-webkit-scrollbar{display:none}
.tab-pill{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  font-size:13.5px;font-weight:500;color:var(--c-brand-700);white-space:nowrap;
  scroll-snap-align:start;transition:background .2s ease-out,color .2s ease-out;
}
.tab-pill:hover{background:rgba(27,148,134,.10)}
.tab-pill.is-active{background:var(--c-brand-700);color:#fff;font-weight:600}

.nav-mobile{display:none;border-top:1px solid var(--c-line);background:#fff;padding:12px 0 16px}
.nav-mobile.is-open{display:block}
@media (min-width:768px){.nav-mobile{display:none!important}}
.nav-mobile .site-container{display:flex;flex-direction:column;gap:4px}
.nav-mobile a{
  display:flex;align-items:center;justify-content:space-between;
  padding:11px 14px;border-radius:12px;font-size:14.5px;color:var(--c-text-2);
  transition:background .2s ease-out,color .2s ease-out;
}
.nav-mobile a:hover,.nav-mobile a.is-active{background:var(--c-brand-50);color:var(--c-brand-700)}

/* ============ 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:14.5px;font-weight:650;white-space:nowrap;border:1px solid transparent;
  transition:transform .22s ease-out,background .22s ease-out,color .22s ease-out,
             border-color .22s ease-out,box-shadow .22s ease-out;
}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px;border-radius:12px}
.btn-lg{height:50px;padding:0 26px;font-size:15.5px}
.btn-block{width:100%}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 12px 24px -14px rgba(15,93,87,.9)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 32px -16px rgba(15,93,87,.95)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:#fff;color:var(--c-brand-700);border-color:rgba(15,93,87,.30)}
.btn-outline:hover{background:var(--c-brand-700);color:#fff;border-color:var(--c-brand-700);transform:translateY(-2px)}
.btn-ghost-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.48)}
.btn-ghost-light:hover{background:#fff;color:var(--c-brand-900);transform:translateY(-2px)}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-brand-700);border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.btn-text:hover{color:var(--c-brand-500);border-color:var(--c-brand-500)}

/* ============ 首屏 ============ */
.hero{position:relative;overflow:hidden;background:var(--c-brand-900);min-height:520px;display:flex;align-items:center}
@media (min-width:1024px){.hero{min-height:560px}}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}
.hero-mask{position:absolute;inset:0;background:var(--mask-grad)}
.hero-inner{position:relative;z-index:2;padding-top:54px;padding-bottom:54px;width:100%}
@media (min-width:768px){.hero-inner{padding-top:76px;padding-bottom:76px}}
.hero-grid{display:grid;gap:38px;align-items:center}
@media (min-width:1024px){.hero-grid{grid-template-columns:1.12fr .88fr;gap:56px}}

.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.28);
  color:#fff;font-size:12.5px;letter-spacing:.02em;
}
.hero-kicker i{width:6px;height:6px;border-radius:50%;background:var(--c-accent-300);display:inline-block}
.hero-title{
  margin-top:18px;color:#fff;font-weight:800;
  font-size:clamp(30px,5vw,52px);line-height:1.15;letter-spacing:-.01em;
}
.hero-sub{margin-top:16px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.88);max-width:560px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:32px;max-width:540px}
.stat-chip{background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.22);border-radius:16px;padding:12px 14px}
.stat-chip b{
  display:block;font-size:20px;font-weight:800;line-height:1.2;font-variant-numeric:tabular-nums;
  background:linear-gradient(90deg,#FF8A5F,#FFC24B);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-chip span{display:block;margin-top:2px;font-size:12.5px;color:rgba(255,255,255,.78)}

.hero-media{position:relative}
.hero-card{
  position:relative;border-radius:24px;overflow:hidden;
  border:6px solid rgba(255,255,255,.92);
  box-shadow:0 30px 60px -26px rgba(0,0,0,.6);
  background:var(--c-brand-900);
}
.hero-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.float-badge{
  position:absolute;display:inline-flex;align-items:center;gap:4px;
  padding:6px 13px;border-radius:999px;font-size:13px;font-weight:700;
  background:var(--accent-grad);color:#0A2422;font-variant-numeric:tabular-nums;
  box-shadow:0 12px 24px -12px rgba(0,0,0,.55);
}
.float-badge.fb-a{top:14px;left:14px}
.float-badge.fb-b{bottom:14px;right:14px}

/* ============ 卡片 ============ */
.card{
  display:flex;flex-direction:column;position:relative;overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(27,148,134,.42)}
.card-thumb{overflow:hidden;background:var(--c-brand-50)}
.card-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .26s ease-out}
.card:hover .card-thumb img{transform:scale(1.04)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{
  font-size:17px;font-weight:650;line-height:1.55;color:var(--c-ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease-out;
}
@media (min-width:768px){.card-title{font-size:18.5px}}
.card:hover .card-title{color:var(--c-brand-700)}
.card-desc{
  font-size:14px;line-height:1.7;color:var(--c-text-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{
  margin-top:auto;padding-top:12px;border-top:1px dashed var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:12.5px;color:var(--c-text-3);font-variant-numeric:tabular-nums;
}
.card-meta .meta-left{display:inline-flex;align-items:center;gap:10px}
.card-arrow{color:var(--c-brand-600);font-weight:700;transition:transform .2s ease-out}
.card:hover .card-arrow{transform:translateX(3px)}

.tag{
  display:inline-flex;align-items:center;align-self:flex-start;height:24px;padding:0 10px;
  border-radius:999px;font-size:12.5px;font-weight:500;
  background:var(--c-brand-50);color:var(--c-brand-700);border:1px solid rgba(27,148,134,.18);
}
.tag-accent{background:rgba(255,106,61,.10);color:#C14519;border-color:rgba(255,106,61,.28)}

/* ============ 合集目录（非对称网格） ============ */
.collection-grid{display:grid;gap:20px}
@media (min-width:640px){.collection-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}}
@media (min-width:1024px){.collection-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}}
@media (min-width:1024px){
  .collection-grid .is-wide{grid-column:span 2;flex-direction:row;align-items:stretch}
  .collection-grid .is-wide .card-thumb{width:48%;flex-shrink:0;display:flex}
  .collection-grid .is-wide .card-thumb img{height:100%;width:100%;aspect-ratio:auto;min-height:260px}
  .collection-grid .is-wide .card-title{font-size:21px}
}

/* ============ 侧栏 ============ */
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-mid);
  padding:22px;box-shadow:0 10px 30px -16px rgba(11,71,65,.18);
}
.side-card + .side-card{margin-top:22px}
.side-title{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:700;color:var(--c-ink-900);margin-bottom:16px}
.side-title::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--c-brand-700)}
.rank-list{display:flex;flex-direction:column;gap:14px}
.rank-item{display:flex;gap:12px;align-items:flex-start}
.rank-no{
  flex:0 0 24px;height:24px;border-radius:8px;display:grid;place-items:center;
  font-size:12.5px;font-weight:700;background:var(--c-brand-50);color:var(--c-brand-700);
  font-variant-numeric:tabular-nums;margin-top:2px;
}
.rank-item:nth-child(-n+3) .rank-no{background:var(--accent-grad);color:#0A2422}
.rank-text{font-size:14px;line-height:1.6;color:var(--c-text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s}
.rank-item:hover .rank-text{color:var(--c-brand-700)}
.rank-time{display:block;margin-top:2px;font-size:12.5px;color:var(--c-text-3);font-variant-numeric:tabular-nums}

.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud a{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  font-size:12.5px;border:1px solid var(--c-line);background:#fff;color:var(--c-text-2);
  transition:border-color .2s,color .2s,background .2s;
}
.tag-cloud a:hover{border-color:var(--c-brand-500);color:var(--c-brand-700);background:var(--c-brand-50)}

.subscribe-card{background:var(--brand-grad);color:#fff;border:none}
.subscribe-card .side-title{color:#fff}
.subscribe-card .side-title::before{background:var(--c-accent-300)}
.subscribe-card p{font-size:13.5px;line-height:1.75;color:rgba(255,255,255,.85);margin-bottom:16px}

/* ============ 统计条 ============ */
.band{background:var(--c-brand-50);padding:44px 0}
@media (min-width:768px){.band{padding:58px 0}}
.stat-block{text-align:left}
.stat-num{
  display:block;font-size:clamp(26px,3.6vw,38px);font-weight:800;line-height:1.1;
  font-variant-numeric:tabular-nums;
  background:var(--accent-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-label{display:block;margin-top:8px;font-size:12.5px;color:var(--c-text-2);letter-spacing:.02em}

/* ============ 筛选 pill ============ */
.filter-row{display:flex;flex-wrap:wrap;gap:8px}
.filter-pill{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  font-size:13px;color:var(--c-text-2);border:1px solid var(--c-line);background:#fff;
  transition:background .2s,color .2s,border-color .2s;
}
.filter-pill:hover{border-color:var(--c-brand-200);color:var(--c-brand-700)}
.filter-pill.is-active{background:var(--c-brand-700);border-color:var(--c-brand-700);color:#fff;font-weight:600}

/* ============ 最新信息来源列表 ============ */
.cms-news-list{display:grid;gap:20px}
@media (min-width:768px){.cms-news-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}}
@media (min-width:1024px){.cms-news-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}}
.news-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--accent-grad);opacity:.9;
}
.news-card .card-body{padding-top:22px}

.empty-state{
  grid-column:1/-1;border:1.5px dashed var(--c-line);border-radius:var(--radius-card);
  background:#fff;padding:52px 24px;text-align:center;
}
.empty-state .empty-icon{
  width:44px;height:44px;margin:0 auto 14px;border-radius:14px;display:grid;place-items:center;
  background:var(--c-brand-50);color:var(--c-brand-500);
}
.empty-state p{font-size:14px;color:var(--c-text-2);margin-bottom:16px}

/* ============ FAQ ============ */
.faq-grid{display:grid;gap:14px}
@media (min-width:1024px){.faq-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-mid);
  overflow:hidden;transition:border-color .22s ease-out,box-shadow .22s ease-out;
}
.faq-item:hover{border-color:rgba(27,148,134,.35)}
.faq-item[open]{border-color:rgba(27,148,134,.5);box-shadow:0 12px 30px -20px rgba(11,71,65,.4)}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;padding:18px 20px;
  font-size:16px;font-weight:650;color:var(--c-ink-900);line-height:1.6;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";flex:0 0 auto;width:9px;height:9px;margin-right:4px;
  border-right:2px solid var(--c-brand-600);border-bottom:2px solid var(--c-brand-600);
  transform:rotate(45deg);transition:transform .25s ease-out;
}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-item[open] summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:0 4px 4px 0;
  background:var(--c-brand-700);
}
.faq-body{padding:0 20px 20px;font-size:14.5px;line-height:1.78;color:var(--c-text-2);animation:faqFade .25s ease-out}
@keyframes faqFade{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}

/* ============ CTA ============ */
.cta-card{
  position:relative;overflow:hidden;border-radius:32px;padding:34px 24px;
  background:var(--brand-grad);color:#fff;
  box-shadow:0 30px 60px -32px rgba(6,48,45,.8);
}
@media (min-width:768px){.cta-card{padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:44px}}
.cta-card::after{
  content:"";position:absolute;right:-70px;top:-80px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,194,75,.28) 0%,rgba(255,194,75,0) 68%);
}
.cta-title{font-size:clamp(22px,3.4vw,30px);font-weight:800;line-height:1.3;letter-spacing:-.01em}
.cta-text{margin-top:12px;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.85);max-width:520px}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
@media (min-width:768px){.cta-actions{margin-top:0;flex-direction:column;align-items:stretch;min-width:220px}}
.share-row{display:flex;gap:10px;margin-top:20px}
@media (min-width:768px){.share-row{margin-top:18px;justify-content:flex-start}}
.share-btn{
  width:48px;height:48px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.32);color:#fff;
  transition:background .22s ease-out,color .22s ease-out,transform .22s ease-out;
}
.share-btn:hover{background:#fff;color:var(--c-brand-700);transform:translateY(-2px)}

/* ============ 页脚 ============ */
.site-footer{position:relative;background:var(--c-brand-900);color:rgba(255,255,255,.72);padding-top:4px}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--brand-grad)}
.footer-inner{padding-top:48px;padding-bottom:28px}
@media (min-width:768px){.footer-inner{padding-top:64px;padding-bottom:32px}}
.footer-grid{display:grid;gap:34px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-text{color:#fff;font-size:17px;font-weight:800}
.footer-about{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.02em}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-link{display:inline-block;font-size:14px;color:var(--c-brand-200);transition:color .2s ease-out,transform .2s ease-out}
.footer-link:hover{color:var(--c-accent-300);transform:translateX(3px)}
.footer-form{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}
.footer-form input{
  flex:1;min-width:160px;height:42px;border-radius:12px;padding:0 14px;font-size:13.5px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);color:#fff;
  transition:border-color .2s ease-out,background .2s ease-out;
}
.footer-form input::placeholder{color:rgba(255,255,255,.45)}
.footer-form input:focus{outline:none;border-color:var(--c-brand-200);background:rgba(255,255,255,.12)}
.footer-form button{
  height:42px;padding:0 18px;border-radius:12px;font-size:13.5px;font-weight:650;
  background:var(--accent-grad);color:#0A2422;transition:transform .2s ease-out,filter .2s ease-out;
}
.footer-form button:hover{transform:translateY(-2px);filter:brightness(1.05)}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:rgba(255,255,255,.5);
}

/* ============ 动效降级 ============ */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .card:hover{transform:none}
}

/* roulang page: article */
:root{
  --c-ink-900:#0A2422;
  --c-brand-900:#06302D;
  --c-brand-700:#0F5D57;
  --c-brand-600:#14786E;
  --c-brand-500:#1B9486;
  --c-brand-200:#A9DED4;
  --c-brand-50:#E9F6F3;
  --c-accent-500:#FF6A3D;
  --c-accent-300:#FFC24B;
  --c-bg:#F6F3ED;
  --c-surface:#FFFFFF;
  --c-line:#E4E0D8;
  --c-text:#17211F;
  --c-text-2:#4E615D;
  --c-text-3:#6B7C78;
  --brand-grad:linear-gradient(135deg,#06302D 0%,#0F5D57 42%,#1B9486 100%);
  --accent-grad:linear-gradient(90deg,#FF6A3D 0%,#FFC24B 100%);
  --mask-grad:linear-gradient(180deg,rgba(6,48,45,.78) 0%,rgba(6,48,45,.30) 58%,rgba(6,48,45,.86) 100%);
  --shadow-card:0 10px 30px -12px rgba(11,71,65,.22);
  --shadow-hover:0 18px 40px -16px rgba(11,71,65,.34);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:var(--font-sans);
  font-size:15.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
h1,h2,h3,h4{margin:0;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-accent-500);outline-offset:2px;border-radius:6px}
.site-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.site-container{padding:0 32px}}
.num{font-variant-numeric:tabular-nums}

/* ---------- 顶栏 ---------- */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--c-line);box-shadow:0 4px 18px -14px rgba(11,71,65,.5)}
.header-top{display:flex;align-items:center;gap:12px;height:64px}
.brand{display:flex;align-items:center;gap:9px;flex:0 0 auto}
.brand-mark{width:26px;height:26px;border-radius:8px;background:var(--brand-grad);display:grid;place-items:center;flex:0 0 auto}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.01em;color:var(--c-brand-900);white-space:nowrap}
.header-search{display:none;position:relative;flex:1 1 auto;max-width:340px}
.header-search input{
  width:100%;height:40px;border-radius:999px;border:1px solid var(--c-line);background:var(--c-brand-50);
  padding:0 46px 0 16px;font-size:14px;color:var(--c-text);outline:none;
  transition:border-color .22s ease-out,box-shadow .22s ease-out,background .22s ease-out;
}
.header-search input::placeholder{color:var(--c-text-3)}
.header-search input:focus{border-color:var(--c-brand-600);background:#fff;box-shadow:0 0 0 4px rgba(15,93,87,.15)}
.header-search button{
  position:absolute;right:5px;top:50%;transform:translateY(-50%);
  width:30px;height:30px;border:0;border-radius:999px;background:var(--c-brand-700);color:#fff;
  display:grid;place-items:center;transition:background .22s ease-out;
}
.header-search button:hover{background:var(--c-brand-600)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
@media(min-width:768px){.header-search{display:block}}
.nav-toggle{
  width:42px;height:42px;border-radius:14px;border:1px solid var(--c-line);background:#fff;color:var(--c-brand-700);
  display:grid;place-items:center;transition:background .22s ease-out,border-color .22s ease-out;
}
.nav-toggle:hover{background:var(--c-brand-50);border-color:var(--c-brand-200)}
@media(min-width:768px){.nav-toggle{display:none}}

/* ---------- 频道行 ---------- */
.nav-channels{background:var(--c-brand-50);border-top:1px solid var(--c-line)}
.nav-channels-inner{
  display:flex;align-items:center;gap:8px;height:44px;overflow-x:auto;
  scrollbar-width:none;-ms-overflow-style:none;scroll-snap-type:x proximity;
}
.nav-channels-inner::-webkit-scrollbar{display:none}
.tab-pill{
  flex:0 0 auto;scroll-snap-align:start;
  padding:6px 15px;border-radius:999px;font-size:14px;font-weight:600;color:var(--c-brand-700);
  border:1px solid transparent;
  transition:background .22s ease-out,color .22s ease-out,border-color .22s ease-out;
}
.tab-pill:hover{background:rgba(27,148,134,.08);border-color:rgba(27,148,134,.25)}
.tab-pill.is-active{background:var(--c-brand-700);color:#fff;border-color:var(--c-brand-700)}
.nav-drawer{display:none;background:#fff;border-top:1px solid var(--c-line);padding:8px 0 14px}
.nav-drawer.is-open{display:block}
.nav-drawer .drawer-link{display:block;padding:11px 2px;font-size:15px;font-weight:600;color:var(--c-text-2);border-bottom:1px solid var(--c-line)}
.nav-drawer .drawer-link:last-child{border-bottom:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:14px;border:1px solid transparent;
  font-size:15px;font-weight:650;white-space:nowrap;cursor:pointer;
  transition:background .22s ease-out,color .22s ease-out,transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:12px}
.btn-primary{background:var(--c-brand-700);color:#fff}
.btn-primary:hover{background:var(--c-brand-600);transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-outline{background:#fff;border-color:rgba(15,93,87,.3);color:var(--c-brand-700)}
.btn-outline:hover{background:var(--c-brand-700);color:#fff;border-color:var(--c-brand-700);transform:translateY(-2px)}
.btn-white{background:#fff;color:var(--c-brand-900)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 18px 40px -18px rgba(0,0,0,.4)}
.btn-ghost{background:transparent;color:var(--c-brand-700);padding:0 4px;height:auto}
.btn-ghost:hover{text-decoration:underline;text-underline-offset:4px}
.btn-full{width:100%}
@media(max-width:520px){.btn-full-sm{width:100%}}

/* ---------- 徽章 / pill ---------- */
.badge{
  display:inline-flex;align-items:center;gap:5px;border-radius:999px;
  font-size:12.5px;font-weight:650;line-height:1;padding:0 11px;height:26px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-text-2);
}
.badge-brand{background:var(--c-brand-50);border-color:var(--c-brand-200);color:var(--c-brand-700)}
.badge-accent{background:var(--accent-grad);border-color:transparent;color:#3A1608;font-weight:750}
.badge-lg{height:34px;padding:0 14px;font-size:14px}
.badge-sm{height:22px;padding:0 9px;font-size:11.5px}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-block;padding:5px 12px;border-radius:999px;border:1px solid var(--c-line);
  background:#fff;font-size:12.5px;color:var(--c-text-2);
  transition:border-color .22s ease-out,color .22s ease-out,background .22s ease-out;
}
.tag:hover{border-color:var(--c-brand-500);color:var(--c-brand-700);background:var(--c-brand-50)}

/* ---------- 面包屑 ---------- */
.crumbs{padding:20px 0 0}
.crumb-list{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3);min-width:0}
.crumb-list a{color:var(--c-brand-700);transition:color .2s ease-out}
.crumb-list a:hover{color:var(--c-accent-500)}
.crumb-sep{color:var(--c-brand-200)}
.crumb-current{color:var(--c-text-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:52vw}

/* ---------- 文章头 ---------- */
.article-head{padding:22px 0 26px;border-bottom:1px solid var(--c-line)}
.article-head-top{display:flex;flex-wrap:wrap;align-items:flex-start;gap:20px;justify-content:space-between}
.article-title{
  font-size:clamp(26px,4.4vw,38px);font-weight:800;letter-spacing:-.01em;line-height:1.22;
  color:var(--c-ink-900);margin:14px 0 12px;max-width:860px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;font-size:12.5px;color:var(--c-text-3);margin-top:10px}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.share-group{display:flex;align-items:center;gap:10px}
.share-btn{
  width:48px;height:48px;border-radius:999px;border:1px solid var(--c-line);background:#fff;color:var(--c-brand-700);
  display:grid;place-items:center;transition:background .22s ease-out,color .22s ease-out,transform .22s ease-out,border-color .22s ease-out;
}
.share-btn:hover{background:var(--c-brand-700);color:#fff;border-color:var(--c-brand-700);transform:translateY(-2px)}

/* ---------- 头图 ---------- */
.hero-figure{max-width:1000px;margin:26px auto 0}
.hero-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:24px;border:1px solid var(--c-line)}
.hero-figure figcaption{margin-top:12px;text-align:center;font-size:12.5px;color:var(--c-text-3)}

/* ---------- 正文排版 ---------- */
.article-grid{display:grid;gap:32px;padding:38px 0 10px}
@media(min-width:1024px){.article-grid{grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:44px}}
.article-body{font-size:16.5px;line-height:1.85;color:var(--c-text);max-width:780px;word-break:break-word}
.article-body p{margin:0 0 1.25em}
.article-body h2{
  position:relative;font-size:clamp(20px,2.6vw,26px);font-weight:700;color:var(--c-ink-900);
  margin:2em 0 .8em;padding-left:14px;scroll-margin-top:120px;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.36em;width:4px;height:20px;border-radius:2px;background:var(--c-brand-700)}
.article-body h3{font-size:18px;font-weight:650;color:var(--c-ink-900);margin:1.6em 0 .6em;scroll-margin-top:120px}
.article-body h4{font-size:16.5px;font-weight:650;margin:1.3em 0 .5em}
.article-body ul,.article-body ol{padding-left:1.5em;margin:0 0 1.25em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.42em 0}
.article-body li::marker{color:var(--c-brand-600);font-weight:700}
.article-body blockquote{
  margin:1.5em 0;padding:16px 20px;border-left:4px solid var(--c-brand-600);
  background:var(--c-brand-50);border-radius:0 16px 16px 0;color:var(--c-text-2);
}
.article-body img{border-radius:16px;margin:1.6em auto;border:1px solid var(--c-line)}
.article-body figure{margin:1.6em 0}
.article-body figure figcaption{margin-top:10px;text-align:center;font-size:12.5px;color:var(--c-text-3)}
.article-body a{color:var(--c-brand-700);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--c-accent-500)}
.article-body strong{font-weight:700;color:var(--c-ink-900)}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;overflow:hidden;border-radius:12px}
.article-body th{background:rgba(15,93,87,.08);font-weight:650;text-align:left}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 13px}
.article-body tbody tr:nth-child(even){background:#FBFAF7}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:2em 0}
.article-body code{background:var(--c-brand-50);border-radius:6px;padding:2px 6px;font-size:14.5px}

/* ---------- 侧栏 ---------- */
.article-side-inner{display:flex;flex-direction:column;gap:20px}
@media(min-width:1024px){.article-side-inner{position:sticky;top:120px}}
.side-card{background:#fff;border:1px solid var(--c-line);border-radius:18px;padding:18px;box-shadow:var(--shadow-card)}
.side-title{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:var(--c-ink-900);margin-bottom:14px}
.side-title::before{content:"";width:4px;height:18px;border-radius:2px;background:var(--c-brand-700)}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-link{
  display:block;padding:8px 10px;border-radius:10px;font-size:14px;color:var(--c-text-2);
  border-left:2px solid transparent;transition:background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.toc-link:hover{background:var(--c-brand-50);color:var(--c-brand-700)}
.toc-link.is-current{color:var(--c-brand-700);font-weight:700;border-left-color:var(--c-brand-700);background:var(--c-brand-50)}
.side-item{display:block;padding:12px 0;border-bottom:1px dashed var(--c-line)}
.side-item:last-child{border-bottom:0;padding-bottom:0}
.side-item h4{font-size:14.5px;font-weight:650;line-height:1.5;color:var(--c-text);transition:color .2s ease-out}
.side-item:hover h4{color:var(--c-brand-700)}
.side-item span{display:block;margin-top:6px;font-size:12.5px;color:var(--c-text-3)}

/* ---------- 卡片 ---------- */
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);
  border-radius:24px;overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .24s ease-out,box-shadow .24s ease-out,border-color .24s ease-out;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--c-brand-200)}
.card-media{position:relative;overflow:hidden;aspect-ratio:16/10;background:var(--c-brand-900)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .26s ease-out}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.card-title{font-size:18px;font-weight:650;line-height:1.45;color:var(--c-ink-900);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease-out}
.card:hover .card-title{color:var(--c-brand-700)}
.card-desc{font-size:14px;line-height:1.7;color:var(--c-text-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;gap:10px;padding-top:12px;border-top:1px solid var(--c-line);font-size:12.5px;color:var(--c-text-3)}
.card-foot .arrow{margin-left:auto;color:var(--c-brand-700);transition:transform .2s ease-out}
.card:hover .card-foot .arrow{transform:translateX(2px)}

/* ---------- 文末 ---------- */
.article-tail{padding:34px 0 0;border-top:1px solid var(--c-line);margin-top:34px}
.tail-title{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:var(--c-ink-900);margin-bottom:18px}
.tail-title::before{content:"";width:4px;height:20px;border-radius:2px;background:var(--c-brand-700)}
.navpair{display:grid;gap:16px;margin-top:22px}
@media(min-width:640px){.navpair{grid-template-columns:1fr 1fr}}
.navpair-card{
  display:flex;align-items:center;gap:14px;padding:16px 18px;border:1px solid var(--c-line);
  border-radius:18px;background:#fff;transition:border-color .22s ease-out,transform .22s ease-out,box-shadow .22s ease-out;
}
.navpair-card:hover{border-color:var(--c-brand-200);transform:translateY(-2px);box-shadow:var(--shadow-card)}
.navpair-card .k{font-size:12.5px;color:var(--c-text-3);display:block;margin-bottom:4px}
.navpair-card .t{font-size:15.5px;font-weight:650;color:var(--c-ink-900)}
.navpair-card .ic{width:38px;height:38px;border-radius:12px;background:var(--c-brand-50);color:var(--c-brand-700);display:grid;place-items:center;flex:0 0 auto}
.grid-cards{display:grid;gap:20px}
@media(min-width:640px){.grid-cards{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.grid-cards{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}}

/* ---------- CTA ---------- */
.cta-band{
  margin-top:46px;border-radius:32px;background:var(--brand-grad);color:#fff;
  padding:36px 28px;display:grid;gap:24px;
}
@media(min-width:900px){.cta-band{grid-template-columns:1.4fr 1fr;align-items:center;padding:44px 40px}}
.cta-band h2{font-size:clamp(21px,3vw,29px);font-weight:800;letter-spacing:-.01em;line-height:1.3}
.cta-band p{margin-top:12px;font-size:14.5px;line-height:1.8;color:rgba(233,246,243,.86);max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
@media(min-width:900px){.cta-actions{justify-content:flex-end}}
.share-round{
  width:48px;height:48px;border-radius:999px;border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.12);color:#fff;
  display:grid;place-items:center;transition:background .22s ease-out,color .22s ease-out,transform .22s ease-out;
}
.share-round:hover{background:#fff;color:var(--c-brand-900);transform:translateY(-2px)}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;gap:14px;margin-top:22px}
@media(min-width:1024px){.faq-wrap{grid-template-columns:1fr 1fr}}
.faq-item{
  border:1px solid var(--c-line);border-radius:18px;background:#fff;overflow:hidden;
  transition:border-color .22s ease-out,box-shadow .22s ease-out;
}
.faq-item[open]{border-color:var(--c-brand-200);box-shadow:var(--shadow-card)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:16px 18px;font-size:16px;font-weight:650;color:var(--c-ink-900);
  display:flex;align-items:center;gap:12px;position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";margin-left:auto;width:9px;height:9px;border-right:2px solid var(--c-brand-700);border-bottom:2px solid var(--c-brand-700);
  transform:rotate(45deg);transition:transform .25s ease-out;flex:0 0 auto;
}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-item[open] summary::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:4px;border-radius:0 3px 3px 0;background:var(--c-brand-700)}
.faq-answer{padding:0 18px 18px;font-size:14.5px;line-height:1.75;color:var(--c-text-2);animation:faqFade .25s ease-out}
@keyframes faqFade{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:780px;border:1.5px dashed var(--c-line);border-radius:24px;background:#fff;
  padding:48px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-state .ic{color:rgba(15,93,87,.4)}
.empty-state p{font-size:15px;color:var(--c-text-2)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-brand-900);color:#D8EDE8;margin-top:64px;position:relative}
.site-footer::before{content:"";display:block;height:4px;background:var(--accent-grad)}
.footer-inner{padding:48px 20px 26px}
@media(min-width:768px){.footer-inner{padding:56px 32px 28px}}
.footer-grid{display:grid;gap:32px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.35fr 1fr 1fr 1.25fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:9px;margin-bottom:14px}
.footer-brand .brand-mark{width:26px;height:26px;border-radius:8px;background:var(--brand-grad);display:grid;place-items:center}
.footer-brand .brand-text{font-size:17px;font-weight:800;color:#fff}
.footer-about{font-size:13.5px;line-height:1.8;color:rgba(169,222,212,.85);max-width:330px}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.02em}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-link{font-size:13.5px;color:var(--c-brand-200);transition:color .2s ease-out,transform .2s ease-out;display:inline-block}
.footer-link:hover{color:var(--c-accent-300);transform:translateX(3px)}
.footer-form{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap}
.footer-form input{
  flex:1 1 150px;height:46px;border-radius:14px;border:1px solid rgba(169,222,212,.3);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;outline:none;
  transition:border-color .22s ease-out,box-shadow .22s ease-out;
}
.footer-form input::placeholder{color:rgba(169,222,212,.6)}
.footer-form input:focus{border-color:var(--c-accent-300);box-shadow:0 0 0 3px rgba(255,194,75,.2)}
.footer-form button{
  height:46px;padding:0 20px;border-radius:14px;border:0;background:var(--accent-grad);color:#3A1608;font-weight:750;font-size:14px;
  transition:transform .22s ease-out,box-shadow .22s ease-out;
}
.footer-form button:hover{transform:translateY(-2px);box-shadow:0 14px 30px -14px rgba(255,106,61,.7)}
.footer-bottom{
  margin-top:38px;padding-top:18px;border-top:1px solid rgba(169,222,212,.18);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12.5px;color:rgba(169,222,212,.72);
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category1 */
:root{
  --c-ink-900:#0A2422;
  --c-brand-900:#06302D;
  --c-brand-700:#0F5D57;
  --c-brand-600:#14786E;
  --c-brand-500:#1B9486;
  --c-brand-200:#A9DED4;
  --c-brand-50:#E9F6F3;
  --c-accent-500:#FF6A3D;
  --c-accent-300:#FFC24B;
  --c-bg:#F6F3ED;
  --c-surface:#FFFFFF;
  --c-line:#E4E0D8;
  --c-text:#17211F;
  --c-text-2:#4E615D;
  --c-text-3:#6B7C78;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --shadow-card:0 10px 30px -12px rgba(11,71,65,.22);
  --shadow-hover:0 18px 40px -16px rgba(11,71,65,.34);
  --brand-grad:linear-gradient(135deg,#06302D 0%,#0F5D57 42%,#1B9486 100%);
  --accent-grad:linear-gradient(90deg,#FF6A3D 0%,#FFC24B 100%);
  --mask-grad:linear-gradient(180deg,rgba(6,48,45,.78) 0%,rgba(6,48,45,.30) 58%,rgba(6,48,45,.86) 100%);
}

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

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

.page{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:15.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

.page img{max-width:100%;display:block;height:auto;}
.page a{color:inherit;text-decoration:none;}
.page button,.page input{font:inherit;color:inherit;}
.page h1,.page h2,.page h3,.page p,.page ul,.page ol{margin:0;}
.page ul,.page ol{padding:0;list-style:none;}
.page :focus-visible{outline:2px solid var(--c-accent-300);outline-offset:2px;border-radius:6px;}

.site-container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:768px){ .site-container{padding-left:32px;padding-right:32px;} }

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;}
.header-top{background:#fff;border-bottom:1px solid var(--c-line);}
.header-top-inner{display:flex;align-items:center;gap:18px;height:64px;}

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:28px;height:28px;border-radius:9px;background:var(--brand-grad);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.brand-text{font-size:17px;font-weight:800;color:var(--c-brand-900);letter-spacing:-.01em;white-space:nowrap;}

.header-search{display:none;position:relative;flex:1 1 auto;max-width:360px;}
@media (min-width:768px){ .header-search{display:block;margin-left:12px;} }
.header-search input{
  width:100%;height:40px;border-radius:999px;border:1px solid var(--c-line);
  background:var(--c-bg);padding:0 18px;font-size:14px;outline:none;
  transition:border-color .2s ease-out,box-shadow .2s ease-out,background .2s ease-out;
}
.header-search input::placeholder{color:var(--c-text-3);}
.header-search input:focus{border-color:var(--c-brand-600);background:#fff;box-shadow:0 0 0 4px rgba(27,148,134,.15);}

.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);background:#fff;cursor:pointer;
  transition:border-color .2s ease-out,background .2s ease-out;
}
.nav-toggle:hover{border-color:var(--c-brand-200);background:var(--c-brand-50);}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-brand-900);}
@media (min-width:900px){ .nav-toggle{display:none;} }

/* ---------- channel tabs ---------- */
.nav-channels{background:var(--c-brand-50);border-bottom:1px solid var(--c-line);}
.nav-channels-inner{
  display:flex;align-items:center;gap:8px;height:44px;overflow-x:auto;
  scrollbar-width:none;-ms-overflow-style:none;scroll-snap-type:x proximity;
}
.nav-channels-inner::-webkit-scrollbar{display:none;}
.tab-pill{
  display:inline-flex;align-items:center;height:32px;padding:0 15px;border-radius:999px;
  font-size:14px;color:var(--c-text-2);white-space:nowrap;scroll-snap-align:start;
  transition:background .2s ease-out,color .2s ease-out;
}
.tab-pill:hover{background:rgba(27,148,134,.08);color:var(--c-brand-700);}
.tab-pill.is-active{background:var(--c-brand-700);color:#fff;font-weight:600;}
.tab-pill:focus-visible{outline:2px solid var(--c-accent-300);outline-offset:2px;}

@media (max-width:899px){
  .page.nav-open .nav-channels-inner{height:auto;flex-wrap:wrap;padding-top:10px;padding-bottom:10px;}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-sm);border:1px solid transparent;
  font-size:14.5px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease-out,background .2s ease-out,color .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.btn-primary{background:var(--c-brand-700);color:#fff;}
.btn-primary:hover{background:var(--c-brand-600);transform:translateY(-2px);box-shadow:var(--shadow-card);}
.btn-sm{height:38px;padding:0 16px;font-size:13.5px;border-radius:12px;}
.btn-white{background:#fff;color:var(--c-brand-900);}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 14px 30px -14px rgba(0,0,0,.45);}
.btn-outline-white{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn-outline-white:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);}

/* ---------- banner ---------- */
.banner{
  position:relative;background-color:var(--c-brand-900);
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;overflow:hidden;
}
.banner::before{content:"";position:absolute;inset:0;background:var(--mask-grad);}
.banner-inner{
  position:relative;z-index:2;min-height:280px;
  display:flex;flex-direction:column;justify-content:flex-end;
  padding-top:32px;padding-bottom:34px;
}
@media (min-width:768px){ .banner-inner{min-height:320px;padding-bottom:44px;} }

.crumb{display:flex;align-items:center;gap:8px;font-size:12.5px;margin-bottom:16px;overflow:hidden;}
.crumb a,.crumb span{white-space:nowrap;}
.crumb-light a,.crumb-light span{color:rgba(255,255,255,.8);}
.crumb-light a:hover{color:#fff;text-decoration:underline;}
.crumb-light span[aria-current]{color:rgba(255,255,255,.62);overflow:hidden;text-overflow:ellipsis;}

.banner-badge{
  display:inline-flex;align-items:center;align-self:flex-start;height:26px;padding:0 12px;
  border-radius:999px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.3);
  color:#fff;font-size:12.5px;margin-bottom:14px;
}
.banner-title{
  color:#fff;font-size:clamp(25px,3.6vw,38px);font-weight:800;line-height:1.2;
  letter-spacing:-.01em;margin-bottom:12px;text-shadow:0 2px 18px rgba(3,26,24,.35);
}
.banner-sub{color:rgba(255,255,255,.9);font-size:15.5px;line-height:1.75;max-width:760px;}

/* ---------- section ---------- */
.section{padding:52px 0;}
@media (min-width:768px){ .section{padding:76px 0;} }
.section-plain{background:var(--c-surface);padding-bottom:36px;}
@media (min-width:768px){ .section-plain{padding-bottom:52px;} }

.section-head{display:flex;flex-direction:column;gap:14px;margin-bottom:28px;}
@media (min-width:768px){
  .section-head{flex-direction:row;align-items:flex-end;justify-content:space-between;gap:24px;}
}
.section-title{
  position:relative;padding-left:14px;
  font-size:clamp(21px,2.6vw,28px);font-weight:700;line-height:1.3;color:var(--c-ink-900);
}
.section-title::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:20px;border-radius:2px;background:var(--c-brand-600);
}
.section-desc{margin-top:8px;color:var(--c-text-2);font-size:14.5px;line-height:1.7;max-width:660px;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;color:var(--c-brand-700);
  font-size:14px;font-weight:600;transition:color .2s ease-out,gap .2s ease-out;flex:0 0 auto;
}
.link-more:hover{color:var(--c-brand-600);gap:10px;}

/* ---------- stats band ---------- */
.stats-band{
  background:var(--c-brand-50);
  border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
}
.stats-grid{display:grid;grid-template-columns:1fr;gap:16px;padding:26px 0;}
@media (min-width:640px){ .stats-grid{grid-template-columns:repeat(3,1fr);} }
.stat{
  display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--radius-md);padding:16px 18px;box-shadow:0 6px 18px -14px rgba(11,71,65,.3);
}
.stat-label{font-size:12.5px;color:var(--c-text-3);line-height:1.6;}

.badge{
  display:inline-flex;align-items:center;justify-content:center;border-radius:999px;
  font-weight:700;font-variant-numeric:tabular-nums;white-space:nowrap;
}
.badge-lg{height:34px;padding:0 14px;font-size:15px;background:var(--accent-grad);color:var(--c-ink-900);}
.badge-sm{height:24px;padding:0 10px;font-size:12.5px;}
.badge-soft{background:var(--c-brand-50);border:1px solid var(--c-brand-200);color:var(--c-brand-700);font-weight:600;}

/* ---------- cards ---------- */
.card-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:640px){ .card-grid{grid-template-columns:repeat(2,1fr);} }
@media (min-width:1024px){ .card-grid{grid-template-columns:repeat(3,1fr);gap:28px;} }

.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .24s ease-out,box-shadow .24s ease-out,border-color .24s ease-out;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--c-brand-200);}
.card:focus-visible{outline:2px solid var(--c-accent-300);outline-offset:3px;}
.card-media{aspect-ratio:16/10;overflow:hidden;background:var(--c-brand-50);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .26s ease-out;}
.card:hover .card-media img{transform:scale(1.04);}
.card-body{display:flex;flex-direction:column;gap:10px;padding:18px 20px 20px;flex:1;}
.card-title{
  font-size:17.5px;font-weight:650;line-height:1.45;color:var(--c-ink-900);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease-out;
}
.card:hover .card-title{color:var(--c-brand-700);}
.card-excerpt{
  font-size:14px;line-height:1.7;color:var(--c-text-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  margin-top:auto;display:flex;align-items:center;gap:8px;
  font-size:12.5px;color:var(--c-text-3);
}
.card-foot .arrow{margin-left:auto;color:var(--c-brand-600);font-size:15px;transition:transform .2s ease-out;}
.card:hover .card-foot .arrow{transform:translateX(3px);}

.pill{
  display:inline-flex;align-items:center;align-self:flex-start;height:24px;padding:0 10px;
  border-radius:999px;border:1px solid var(--c-line);background:#fff;
  font-size:12.5px;color:var(--c-text-2);white-space:nowrap;
}
.pill-brand{background:var(--c-brand-50);border-color:var(--c-brand-200);color:var(--c-brand-700);font-weight:600;}

/* ---------- pager ---------- */
.pager{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;margin-top:40px;}
.page-btn{
  min-width:40px;height:40px;padding:0 14px;border-radius:999px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-text-2);
  font-size:14px;display:inline-flex;align-items:center;justify-content:center;
  transition:border-color .2s ease-out,color .2s ease-out,background .2s ease-out;
}
.page-btn:hover{border-color:var(--c-brand-600);color:var(--c-brand-700);background:var(--c-brand-50);}
.page-btn.is-current{background:var(--c-brand-700);border-color:var(--c-brand-700);color:#fff;font-weight:700;}
.page-btn[aria-disabled="true"]{opacity:.4;pointer-events:none;}
@media (max-width:520px){
  .pager .page-btn:nth-child(4),
  .pager .page-btn:nth-child(5){display:none;}
}

/* ---------- scroll row ---------- */
.scroll-wrap{position:relative;}
.scroll-wrap::before,.scroll-wrap::after{
  content:"";position:absolute;top:0;bottom:18px;width:36px;pointer-events:none;z-index:2;
}
.scroll-wrap::before{left:0;background:linear-gradient(90deg,rgba(255,255,255,.95),rgba(255,255,255,0));}
.scroll-wrap::after{right:0;background:linear-gradient(270deg,rgba(255,255,255,.95),rgba(255,255,255,0));}
.scroll-row{
  display:flex;gap:16px;overflow-x:auto;padding:6px 20px 18px;
  scroll-snap-type:x mandatory;scrollbar-width:none;-ms-overflow-style:none;
  -webkit-overflow-scrolling:touch;
}
.scroll-row::-webkit-scrollbar{display:none;}
@media (min-width:768px){ .scroll-row{padding-left:32px;padding-right:32px;} }

.scroll-card{
  flex:0 0 290px;scroll-snap-align:start;display:flex;flex-direction:column;gap:10px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-md);
  padding:20px;box-shadow:var(--shadow-card);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
@media (min-width:768px){ .scroll-card{flex-basis:312px;} }
.scroll-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--c-brand-200);}
.scroll-title{font-size:16.5px;font-weight:650;line-height:1.45;color:var(--c-ink-900);}
.scroll-card:hover .scroll-title{color:var(--c-brand-700);}
.scroll-text{font-size:13.5px;line-height:1.7;color:var(--c-text-2);}
.scroll-link{margin-top:auto;font-size:13px;font-weight:600;color:var(--c-brand-700);display:inline-flex;align-items:center;gap:6px;}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:1fr;gap:14px;}
@media (min-width:1024px){ .faq-grid{grid-template-columns:repeat(2,1fr);gap:18px;} }
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-md);
  padding:0 22px;overflow:hidden;transition:border-color .25s ease-out,box-shadow .25s ease-out;
}
.faq-item:hover{border-color:var(--c-brand-200);box-shadow:var(--shadow-card);}
.faq-item[open]{border-left:4px solid var(--c-brand-600);padding-left:18px;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:18px 0;font-size:16px;font-weight:650;color:var(--c-ink-900);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";width:9px;height:9px;flex:0 0 auto;margin-right:4px;
  border-right:2px solid var(--c-brand-600);border-bottom:2px solid var(--c-brand-600);
  transform:rotate(45deg);transition:transform .25s ease-out;
}
.faq-item[open] summary::after{transform:rotate(-135deg);}
.faq-answer{
  padding-bottom:20px;font-size:14.5px;line-height:1.75;color:var(--c-text-2);
  animation:fadeSlide .25s ease-out;
}
@keyframes fadeSlide{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;background:var(--brand-grad);
  border-radius:32px;padding:36px 26px;color:#fff;
}
@media (min-width:768px){ .cta-card{padding:52px 48px;} }
.cta-card::after{
  content:"";position:absolute;right:-80px;bottom:-110px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,194,75,.28),rgba(255,194,75,0) 68%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:26px;}
@media (min-width:1024px){ .cta-inner{grid-template-columns:1.35fr 1fr;align-items:center;gap:40px;} }
.cta-title{font-size:clamp(22px,2.8vw,30px);font-weight:800;line-height:1.3;margin-bottom:12px;}
.cta-text{font-size:15px;line-height:1.8;color:rgba(255,255,255,.88);max-width:600px;}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;}
@media (max-width:520px){ .cta-actions .btn{width:100%;} }
.icon-btn{
  width:48px;height:48px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);color:#fff;cursor:pointer;
  transition:background .2s ease-out,color .2s ease-out,transform .2s ease-out;
}
.icon-btn:hover{background:#fff;color:var(--c-brand-900);transform:translateY(-2px);}

/* ---------- footer ---------- */
.site-footer{position:relative;background:var(--c-brand-900);color:#fff;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--accent-grad);}
.footer-inner{padding:52px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:640px){ .footer-grid{grid-template-columns:repeat(2,1fr);} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;} }
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.02em;}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-link{
  display:inline-block;color:var(--c-brand-200);font-size:14px;
  transition:color .2s ease-out,transform .2s ease-out;
}
.footer-link:hover{color:var(--c-accent-300);transform:translateX(3px);}
.footer-about{color:rgba(255,255,255,.72);font-size:13.5px;line-height:1.75;max-width:380px;}
.footer-form{display:flex;gap:8px;margin-top:14px;}
.footer-form input{
  flex:1 1 auto;min-width:0;height:44px;border-radius:12px;padding:0 14px;font-size:14px;
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);color:#fff;outline:none;
  transition:border-color .2s ease-out,background .2s ease-out;
}
.footer-form input::placeholder{color:rgba(255,255,255,.55);}
.footer-form input:focus{border-color:var(--c-accent-300);background:rgba(255,255,255,.14);}
.footer-form button{
  flex:0 0 auto;height:44px;padding:0 18px;border:0;border-radius:12px;cursor:pointer;
  background:var(--accent-grad);color:var(--c-ink-900);font-size:14px;font-weight:700;
  transition:transform .2s ease-out,filter .2s ease-out;
}
.footer-form button:hover{transform:translateY(-2px);filter:brightness(1.05);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);
  color:rgba(255,255,255,.62);font-size:12.5px;
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .page *,.page *::before,.page *::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
}

/* roulang page: category2 */
:root{
    --c-ink-900:#0A2422;
    --c-brand-900:#06302D;
    --c-brand-700:#0F5D57;
    --c-brand-600:#14786E;
    --c-brand-500:#1B9486;
    --c-brand-200:#A9DED4;
    --c-brand-50:#E9F6F3;
    --c-accent-500:#FF6A3D;
    --c-accent-300:#FFC24B;
    --c-bg:#F6F3ED;
    --c-surface:#FFFFFF;
    --c-line:#E4E0D8;
    --c-text:#17211F;
    --c-text-2:#4E615D;
    --c-text-3:#6B7C78;
    --r-card:24px;
    --r-mid:18px;
    --r-img:16px;
    --r-btn:14px;
    --shadow-card:0 10px 30px -12px rgba(11,71,65,.22);
    --shadow-hover:0 18px 40px -16px rgba(11,71,65,.34);
    --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:var(--font-sans);
    font-size:15.5px;
    line-height:1.8;
    color:var(--c-text);
    background:var(--c-bg);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button,input{font:inherit;color:inherit}
  h1,h2,h3,h4,p,ol,ul{margin:0}
  ol,ul{padding:0;list-style:none}
  :focus-visible{outline:2px solid var(--c-accent-500);outline-offset:2px;border-radius:6px}
  [id]{scroll-margin-top:120px}

  .site-container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
  @media (min-width:768px){.site-container{padding-left:32px;padding-right:32px}}

  .brand-grad{background-image:linear-gradient(135deg,#06302D 0%,#0F5D57 42%,#1B9486 100%)}
  .accent-grad{background-image:linear-gradient(90deg,#FF6A3D 0%,#FFC24B 100%)}
  .mask-grad{background-image:linear-gradient(180deg,rgba(6,48,45,.78) 0%,rgba(6,48,45,.30) 58%,rgba(6,48,45,.86) 100%)}

  /* ---------- 顶部品牌行 ---------- */
  .site-header{background:var(--c-surface);border-bottom:1px solid var(--c-line)}
  .header-top{
    display:flex;align-items:center;gap:16px;
    min-height:64px;padding-top:8px;padding-bottom:8px;
  }
  .brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
  .brand-mark{
    width:26px;height:26px;border-radius:8px;
    display:inline-flex;align-items:center;justify-content:center;
    background-image:linear-gradient(135deg,#06302D 0%,#0F5D57 42%,#1B9486 100%);
    box-shadow:0 6px 14px -8px rgba(11,71,65,.7);
  }
  .brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--c-ink-900);white-space:nowrap}

  .header-search{
    display:none;align-items:center;gap:8px;
    height:44px;width:320px;padding:0 16px;
    background:var(--c-bg);border:1px solid var(--c-line);border-radius:999px;
    transition:border-color .22s ease-out, box-shadow .22s ease-out;
  }
  .header-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px}
  .header-search input::placeholder{color:var(--c-text-3)}
  .header-search:focus-within{border-color:var(--c-brand-600);box-shadow:0 0 0 4px rgba(27,148,134,.15)}
  @media (min-width:768px){.header-search{display:flex;margin-left:auto}}

  .header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
  @media (min-width:768px){.header-actions{margin-left:0}}

  .nav-toggle{
    width:44px;height:44px;border-radius:14px;
    border:1px solid var(--c-line);background:#fff;
    display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
    transition:border-color .2s ease-out,color .2s ease-out;
  }
  .nav-toggle:hover{border-color:var(--c-brand-600);color:var(--c-brand-700)}
  @media (min-width:768px){.nav-toggle{display:none}}

  .mobile-menu{border-top:1px solid var(--c-line);background:var(--c-surface);padding:8px 0 14px}
  .mobile-menu a{display:block;padding:12px 20px;font-size:15px;font-weight:600;color:var(--c-brand-700)}
  .mobile-menu a:hover{background:var(--c-brand-50)}
  @media (min-width:768px){.mobile-menu{display:none !important}}

  /* ---------- 频道行 ---------- */
  .nav-channels{
    position:sticky;top:0;z-index:40;
    background:var(--c-brand-50);
    border-bottom:1px solid var(--c-line);
  }
  .nav-channels-inner{
    display:flex;align-items:center;gap:8px;
    overflow-x:auto;scroll-snap-type:x mandatory;
    padding-top:6px;padding-bottom:6px;
    scrollbar-width:none;-ms-overflow-style:none;
  }
  .nav-channels-inner::-webkit-scrollbar{display:none}
  .tab-pill{
    flex:0 0 auto;scroll-snap-align:start;white-space:nowrap;
    height:32px;padding:0 16px;border-radius:999px;
    display:inline-flex;align-items:center;
    font-size:14px;font-weight:600;color:var(--c-brand-700);
    border:1px solid transparent;
    transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out;
  }
  .tab-pill:hover{background:rgba(27,148,134,.12)}
  .tab-pill.is-active{background:var(--c-brand-700);color:#fff}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:48px;padding:0 22px;border-radius:var(--r-btn);
    font-size:15px;font-weight:600;letter-spacing:.01em;
    border:1px solid transparent;cursor:pointer;
    transition:background-color .22s ease-out,color .22s ease-out,border-color .22s ease-out,transform .22s ease-out,box-shadow .22s ease-out;
  }
  .btn-primary{background:var(--c-brand-700);color:#fff;box-shadow:0 10px 24px -14px rgba(11,71,65,.85)}
  .btn-primary:hover{background:var(--c-brand-600);transform:translateY(-2px)}
  .btn-outline{background:#fff;border-color:rgba(15,93,87,.35);color:var(--c-brand-700)}
  .btn-outline:hover{background:var(--c-brand-700);border-color:var(--c-brand-700);color:#fff;transform:translateY(-2px)}
  .btn-light{background:#fff;color:var(--c-brand-900)}
  .btn-light:hover{background:var(--c-brand-50);transform:translateY(-2px)}
  .btn-ghost{background:transparent;color:var(--c-brand-700);text-decoration:underline;text-underline-offset:5px;padding:0 4px;height:auto}
  .btn-ghost:hover{color:var(--c-brand-500)}
  .btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:12px}
  @media (max-width:639px){
    .btn-block-mobile{width:100%}
  }

  /* ---------- 标签 / 徽章 ---------- */
  .pill{
    display:inline-flex;align-items:center;height:24px;padding:0 10px;
    border-radius:999px;border:1px solid var(--c-line);background:#fff;
    font-size:12.5px;line-height:1;color:var(--c-text-2);white-space:nowrap;
  }
  .pill-brand{background:var(--c-brand-50);border-color:#cbe9e3;color:var(--c-brand-700)}

  .badge{
    display:inline-flex;align-items:center;gap:2px;
    border-radius:999px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1;
  }
  .badge-sm{height:22px;padding:0 10px;font-size:12.5px}
  .badge-lg{height:34px;padding:0 14px;font-size:15px}
  .badge-accent{background-image:linear-gradient(90deg,#FF6A3D 0%,#FFC24B 100%);color:#0A2422}
  .badge-soft{background:var(--c-brand-50);color:var(--c-brand-700)}
  .badge-glass{background:rgba(255,255,255,.92);color:var(--c-brand-900)}

  /* ---------- 板块标题 ---------- */
  .section-title{
    position:relative;padding-left:16px;
    font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.3;color:var(--c-ink-900);
  }
  .section-title::before{
    content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
    width:4px;height:20px;border-radius:2px;background:var(--c-brand-700);
  }
  .section-sub{color:var(--c-text-2);font-size:14.5px;margin-top:10px;max-width:780px}

  /* ---------- 面包屑 ---------- */
  .crumbs{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--c-text-3);overflow:hidden}
  .crumbs a{color:var(--c-brand-700)}
  .crumbs a:hover{text-decoration:underline;text-underline-offset:4px}
  .crumbs .current{color:var(--c-text-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .crumbs-light{color:rgba(255,255,255,.78)}
  .crumbs-light a{color:#fff}
  .crumbs-light .current{color:rgba(255,255,255,.72)}

  /* ---------- Hero ---------- */
  .hero-wrap{
    background:
      radial-gradient(900px 380px at 88% 12%,rgba(27,148,134,.14),transparent 70%),
      linear-gradient(180deg,#F2F7F5 0%,#F6F3ED 100%);
    border-bottom:1px solid var(--c-line);
  }
  .hero-grid{display:grid;grid-template-columns:1fr;gap:28px;padding:34px 0 44px}
  @media (min-width:1024px){
    .hero-grid{grid-template-columns:1.15fr .85fr;gap:48px;padding:52px 0 62px;align-items:center}
  }
  .hero-title{font-size:clamp(28px,4.4vw,38px);font-weight:800;line-height:1.2;letter-spacing:-.01em;color:var(--c-ink-900)}
  .hero-lead{margin-top:16px;font-size:16px;line-height:1.8;color:var(--c-text-2);max-width:620px}
  .hero-figure{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-card);border:1px solid var(--c-line)}
  .hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
  .hero-float{position:absolute;left:16px;bottom:16px}

  /* ---------- 索引栏 ---------- */
  .index-bar{display:flex;gap:8px;overflow-x:auto;padding:4px 0 2px;scrollbar-width:none;-ms-overflow-style:none}
  .index-bar::-webkit-scrollbar{display:none}
  .index-pill{
    flex:0 0 auto;height:34px;padding:0 16px;border-radius:999px;
    display:inline-flex;align-items:center;font-size:13.5px;font-weight:600;
    background:#fff;border:1px solid var(--c-line);color:var(--c-text-2);
    transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out;
  }
  .index-pill:hover{border-color:var(--c-brand-600);color:var(--c-brand-700)}
  .index-pill.is-current{background:var(--c-brand-700);border-color:var(--c-brand-700);color:#fff}

  /* ---------- 条目行列表 ---------- */
  .entry-list{display:grid;grid-template-columns:1fr;gap:0}
  @media (min-width:768px){.entry-list{grid-template-columns:repeat(2,1fr);column-gap:32px}}
  .entry-row{
    display:grid;grid-template-columns:104px 1fr;gap:14px;
    padding:18px 4px;border-bottom:1px solid var(--c-line);
    transition:background-color .2s ease-out;
  }
  @media (min-width:520px){.entry-row{grid-template-columns:132px 1fr;gap:16px}}
  .entry-row:hover{background:rgba(27,148,134,.05)}
  .entry-row:hover .entry-title{color:var(--c-brand-700)}
  .entry-row:hover .entry-arrow{transform:translateX(3px)}
  .entry-thumb{
    width:100%;aspect-ratio:1/1;object-fit:cover;
    border-radius:var(--r-img);border:1px solid var(--c-line);background:var(--c-brand-50);
  }
  .entry-title{
    margin-top:8px;font-size:17px;font-weight:650;line-height:1.45;color:var(--c-ink-900);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
    transition:color .2s ease-out;
  }
  .entry-desc{
    margin-top:6px;font-size:14px;line-height:1.7;color:var(--c-text-2);
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  }
  .entry-meta{display:flex;align-items:center;gap:10px;margin-top:10px;font-size:12.5px;color:var(--c-text-3)}
  .entry-arrow{color:var(--c-brand-700);font-weight:700;transition:transform .2s ease-out}

  /* ---------- 侧栏 ---------- */
  .side-card{
    background:#fff;border:1px solid var(--c-line);border-radius:var(--r-mid);
    padding:20px;box-shadow:var(--shadow-card);
  }
  .side-title{font-size:16px;font-weight:700;color:var(--c-ink-900);display:flex;align-items:center;gap:8px}
  .side-title::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--c-brand-700)}
  .tag-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
  .tag-cloud a{
    display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
    background:var(--c-brand-50);color:var(--c-brand-700);font-size:12.5px;
    transition:background-color .2s ease-out,color .2s ease-out;
  }
  .tag-cloud a:hover{background:var(--c-brand-700);color:#fff}
  .rank-list{margin-top:12px}
  .rank-list li{display:grid;grid-template-columns:24px 1fr auto;align-items:center;gap:10px;padding:9px 0;border-bottom:1px dashed var(--c-line)}
  .rank-list li:last-child{border-bottom:0}
  .rank-num{
    width:22px;height:22px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;
    background:var(--c-brand-50);color:var(--c-brand-700);font-size:12px;font-weight:700;font-variant-numeric:tabular-nums;
  }
  .rank-list a{font-size:14px;color:var(--c-text);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
  .rank-list a:hover{color:var(--c-brand-700)}
  .rank-list time{font-size:12px;color:var(--c-text-3);font-variant-numeric:tabular-nums}

  .share-row{display:flex;align-items:center;gap:10px;margin-top:16px}
  .round-btn{
    width:48px;height:48px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;
    background:#fff;border:1px solid var(--c-line);color:var(--c-brand-700);cursor:pointer;
    transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out;
  }
  .round-btn:hover{background:var(--c-brand-700);border-color:var(--c-brand-700);color:#fff;transform:translateY(-2px)}
  .round-btn-sm{width:44px;height:44px}

  /* ---------- 时间轴 ---------- */
  .timeline{position:relative;margin-top:24px;padding-left:24px;border-left:2px solid var(--c-brand-200)}
  .timeline li{position:relative;padding:0 0 22px 0}
  .timeline li:last-child{padding-bottom:0}
  .timeline li::before{
    content:"";position:absolute;left:-31px;top:8px;width:12px;height:12px;border-radius:999px;
    background:#fff;border:3px solid var(--c-brand-600);
  }
  .timeline time{font-size:12.5px;color:var(--c-text-3);font-variant-numeric:tabular-nums}
  .timeline p{margin-top:4px;font-size:14.5px;color:var(--c-text);line-height:1.7}
  .timeline p a{color:var(--c-brand-700);text-decoration:underline;text-underline-offset:4px}

  /* ---------- FAQ ---------- */
  .faq-list{display:grid;gap:14px}
  .faq-item{
    position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-mid);
    overflow:hidden;transition:border-color .2s ease-out,box-shadow .2s ease-out;
  }
  .faq-item:hover{border-color:var(--c-brand-200);box-shadow:var(--shadow-card)}
  .faq-item[open]::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--c-brand-700)}
  .faq-q{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 20px;font-size:16px;font-weight:650;color:var(--c-ink-900);cursor:pointer;list-style:none;
  }
  .faq-q::-webkit-details-marker{display:none}
  .faq-arrow{flex:0 0 auto;color:var(--c-brand-700);transition:transform .25s ease-out}
  .faq-item[open] .faq-arrow{transform:rotate(180deg)}
  .faq-a{padding:0 20px 20px 20px;font-size:14.5px;line-height:1.75;color:var(--c-text-2);animation:fadeUp .25s ease-out}
  @keyframes fadeUp{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}

  /* ---------- CTA ---------- */
  .cta-card{
    position:relative;overflow:hidden;border-radius:32px;
    background-image:linear-gradient(135deg,#06302D 0%,#0F5D57 42%,#1B9486 100%);
    color:#fff;padding:36px 26px;
    box-shadow:0 24px 60px -30px rgba(6,48,45,.75);
  }
  @media (min-width:768px){.cta-card{padding:48px 44px}}
  .cta-card::after{
    content:"";position:absolute;inset:0;pointer-events:none;
    background-image:url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center;
    opacity:.16;mix-blend-mode:luminosity;
  }
  .cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:24px}
  @media (min-width:900px){.cta-inner{grid-template-columns:1.4fr 1fr;align-items:center}}
  .cta-title{font-size:clamp(20px,2.6vw,26px);font-weight:700;line-height:1.35}
  .cta-text{margin-top:12px;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.85);max-width:560px}

  /* ---------- 页脚 ---------- */
  .site-footer{position:relative;background:var(--c-brand-900);color:#cfe9e4;margin-top:0}
  .site-footer::before{content:"";display:block;height:4px;background-image:linear-gradient(135deg,#06302D 0%,#0F5D57 42%,#1B9486 100%)}
  .footer-grid{display:grid;grid-template-columns:1fr;gap:32px;padding:44px 0 30px}
  @media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}}
  .footer-brand{display:flex;align-items:center;gap:10px}
  .footer-brand .brand-text{color:#fff}
  .footer-about{margin-top:14px;font-size:13.5px;line-height:1.8;color:#9fc9c3;max-width:340px}
  .footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:12px}
  .footer-list a{display:block;padding:5px 0;font-size:14px;color:var(--c-brand-200);transition:color .2s ease-out,transform .2s ease-out}
  .footer-list a:hover{color:var(--c-accent-300);transform:translateX(3px)}
  .footer-form{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}
  .footer-form input{
    flex:1 1 160px;min-width:0;height:46px;padding:0 14px;border-radius:12px;
    background:rgba(255,255,255,.08);border:1px solid rgba(169,222,212,.35);color:#fff;outline:none;
    transition:border-color .2s ease-out,box-shadow .2s ease-out;
  }
  .footer-form input::placeholder{color:rgba(207,233,228,.6)}
  .footer-form input:focus{border-color:var(--c-brand-200);box-shadow:0 0 0 4px rgba(169,222,212,.16)}
  .footer-form button{
    height:46px;padding:0 20px;border-radius:12px;border:0;cursor:pointer;
    background:var(--c-accent-300);color:#0A2422;font-weight:700;
    transition:background-color .2s ease-out,transform .2s ease-out;
  }
  .footer-form button:hover{background:var(--c-accent-500);color:#fff;transform:translateY(-2px)}
  .footer-bottom{
    display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;
    padding:18px 0 28px;border-top:1px solid rgba(169,222,212,.18);
    font-size:12.5px;color:#8fb8b2;
  }

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