/* roulang page: index */
:root{
  --c-ink:#12141A;
  --c-ink-soft:#1C1F26;
  --c-lime:#C8F751;
  --c-lime-hover:#D6FF66;
  --c-coral:#FF5C39;
  --c-paper:#F6F5F1;
  --c-white:#FFFFFF;
  --c-mist:#EDF6DC;
  --c-body:#2A2D34;
  --c-muted:#6B7280;
  --c-placeholder:#9AA0A6;
  --c-line:#E4E2D9;
  --c-line-dark:#2A2E36;
  --r-card:16px;
  --r-img:12px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(18,20,26,.04);
  --sh-2:0 1px 2px rgba(18,20,26,.04),0 12px 32px rgba(18,20,26,.06);
  --sh-hover:0 2px 6px rgba(18,20,26,.06),0 18px 40px rgba(18,20,26,.10);
  --maxw:1240px;
  --pad-x:20px;
  --sec-y:56px;
}
@media (min-width:1024px){
  :root{--pad-x:32px;--sec-y:92px;}
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC','Inter',system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-body);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:800;letter-spacing:-0.02em;line-height:1.12;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding-left:var(--pad-x);padding-right:var(--pad-x);}
.section{padding:var(--sec-y) 0;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- 按钮 ---------- */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:14px 28px;border:0;border-radius:999px;
  background:var(--c-lime);color:var(--c-ink);
  font-weight:700;font-size:15px;cursor:pointer;
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
  box-shadow:var(--sh-1);
}
.btn-primary:hover{background:var(--c-lime-hover);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:0 1px 2px rgba(18,20,26,.08);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:13px 26px;border-radius:999px;
  border:1.5px solid var(--c-ink);background:transparent;color:var(--c-ink);
  font-weight:700;font-size:15px;cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:var(--c-ink);color:var(--c-paper);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{min-height:40px;padding:9px 20px;font-size:14px;}
.btn-dark{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:13px 24px;border-radius:999px;border:1.5px solid var(--c-line-dark);
  background:transparent;color:var(--c-paper);font-weight:600;font-size:15px;cursor:pointer;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.btn-dark:hover{background:var(--c-ink-soft);border-color:var(--c-lime);color:var(--c-lime);}
.btn:disabled,.btn-primary:disabled{opacity:.4;cursor:not-allowed;transform:none;}

/* ---------- 文字链接 ---------- */
.link-underline{
  background-image:linear-gradient(currentColor,currentColor);
  background-size:0% 1px;background-repeat:no-repeat;background-position:0 100%;
  transition:background-size .28s ease,color .2s ease;
  display:inline-block;
}
.link-underline:hover{background-size:100% 1px;color:var(--c-ink);}
.link-underline.active{background-size:100% 1px;}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(246,245,241,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:box-shadow .25s ease,border-color .25s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-stuck{border-bottom:1px solid var(--c-line);box-shadow:0 8px 24px rgba(18,20,26,.05);}
.brand-row{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  height:64px;transition:height .22s ease;
}
.site-header.is-stuck .brand-row{height:56px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:26px;height:26px;border-radius:8px;background:var(--c-ink);
  position:relative;flex-shrink:0;
}
.brand-mark::after{
  content:"";position:absolute;inset:8px;border-radius:3px;background:var(--c-lime);
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-0.01em;color:var(--c-ink);white-space:nowrap;}
.main-nav{display:none;align-items:center;gap:24px;}
.nav-link{
  position:relative;font-size:14px;font-weight:600;color:var(--c-body);
  padding:8px 0;min-height:40px;display:inline-flex;align-items:center;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;
  background:var(--c-lime);transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;border-radius:2px;
}
.nav-link:hover{color:var(--c-ink);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--c-ink);}
.nav-tools{display:flex;align-items:center;gap:12px;}
.search-box{
  display:none;align-items:center;background:var(--c-white);
  border:1px solid var(--c-line);border-radius:var(--r-input);
  height:44px;padding:0 6px 0 14px;transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--c-lime);box-shadow:0 0 0 4px rgba(200,247,81,.28);}
.search-box input{
  border:0;outline:none;background:transparent;width:150px;font-size:14px;color:var(--c-body);
}
.search-box input::placeholder{color:var(--c-placeholder);}
.search-box button{
  border:0;background:transparent;color:var(--c-muted);width:32px;height:32px;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;border-radius:8px;
  transition:color .2s ease,background .2s ease;
}
.search-box button:hover{color:var(--c-ink);background:var(--c-mist);}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--c-line);background:var(--c-white);
  color:var(--c-ink);cursor:pointer;transition:background .2s ease,transform .2s ease;
}
.icon-btn:hover{background:var(--c-mist);}
.trendbar{
  border-top:1px solid var(--c-line);
  height:44px;overflow:hidden;transition:height .22s ease,opacity .2s ease;
}
.site-header.is-stuck .trendbar{height:0;opacity:0;border-top-color:transparent;}
.trend-inner{display:flex;align-items:center;gap:12px;height:44px;}
.hot-tag{
  flex-shrink:0;display:inline-flex;align-items:center;justify-content:center;
  width:26px;height:26px;border-radius:8px;background:var(--c-coral);color:#fff;
  font-size:12px;font-weight:700;
}
.trend-scroll{display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none;}
.trend-scroll::-webkit-scrollbar{display:none;}
.trend-chip{
  flex-shrink:0;font-size:13px;color:var(--c-body);background:var(--c-white);
  border:1px solid var(--c-line);padding:5px 14px;border-radius:999px;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.trend-chip:hover{background:var(--c-lime);border-color:var(--c-lime);color:var(--c-ink);}
@media (min-width:1024px){
  .main-nav{display:flex;}
  .search-box{display:flex;}
  .menu-toggle{display:none;}
}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,20,26,.5);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);z-index:90;
  background:var(--c-paper);border-left:1px solid var(--c-line);
  transform:translateX(100%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.nav-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;font-size:15px;font-weight:600;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.drawer-search{display:flex;align-items:center;gap:8px;margin-bottom:18px;}
.drawer-search input{
  flex:1;height:44px;border:1px solid var(--c-line);border-radius:var(--r-input);
  padding:0 14px;background:var(--c-white);outline:none;
}
.drawer-search input:focus{border-color:var(--c-lime);box-shadow:0 0 0 4px rgba(200,247,81,.28);}
.drawer-sub{font-size:12px;letter-spacing:.08em;color:var(--c-muted);margin:22px 0 10px;font-weight:700;}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px;}
.drawer-chips a{
  font-size:13px;padding:6px 12px;border-radius:999px;background:var(--c-white);
  border:1px solid var(--c-line);color:var(--c-body);
}
.drawer-chips a:hover{background:var(--c-lime);border-color:var(--c-lime);}

/* ---------- Hero ---------- */
.hero{padding:40px 0 8px;}
.hero-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--c-mist);color:#4B5A22;border-radius:999px;
  padding:6px 14px;font-size:13px;font-weight:600;margin-bottom:20px;
}
.hero-badge i{color:#6E8A2A;}
.hero h1{
  font-size:30px;line-height:1.16;margin-bottom:16px;
  animation:rise .38s cubic-bezier(.2,.7,.3,1) both;
}
.hero-sub{
  font-size:16px;color:var(--c-muted);max-width:560px;margin-bottom:28px;
  animation:rise .46s cubic-bezier(.2,.7,.3,1) both;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:16px;}
.hero-cta .btn-primary,.hero-cta .btn-ghost{flex:1 1 180px;}
.hero-note{font-size:13px;color:var(--c-muted);letter-spacing:.02em;}
.hero-visual{position:relative;animation:rise .5s cubic-bezier(.2,.7,.3,1) both;}
.hero-frame{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  aspect-ratio:16/9;background:var(--c-ink);box-shadow:var(--sh-2);
}
.hero-frame img{width:100%;height:100%;object-fit:cover;}
.hero-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(18,20,26,.20),rgba(18,20,26,.05) 60%);
}
.float-card{
  position:absolute;right:16px;bottom:16px;max-width:270px;
  background:rgba(255,255,255,.96);border-radius:14px;padding:14px 16px;
  box-shadow:var(--sh-2);border:1px solid var(--c-line);
}
.float-badge{
  display:inline-block;font-size:12px;font-weight:700;color:var(--c-ink);
  background:var(--c-lime);border-radius:999px;padding:2px 10px;margin-bottom:8px;
}
.float-card p{font-size:13px;line-height:1.6;color:var(--c-muted);}
@keyframes rise{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:translateY(0);}}
@media (min-width:1024px){
  .hero{padding:56px 0 16px;}
  .hero-grid{grid-template-columns:5fr 7fr;gap:48px;}
  .hero h1{font-size:50px;}
  .hero-cta .btn-primary,.hero-cta .btn-ghost{flex:0 0 auto;}
}
@media (min-width:640px) and (max-width:1023px){
  .hero h1{font-size:38px;}
}

/* ---------- Chip 快捷入口 ---------- */
.chip-rail{
  display:flex;gap:10px;overflow-x:auto;padding:4px 0 12px;scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.chip-rail::-webkit-scrollbar{display:none;}
.chip{
  flex-shrink:0;display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:8px 18px;border-radius:999px;
  background:var(--c-white);border:1px solid var(--c-line);
  font-size:14px;font-weight:600;color:var(--c-body);
  transition:background .2s ease,border-color .2s ease,transform .2s ease,color .2s ease;
}
.chip i{color:#7C8A3E;}
.chip:hover{background:var(--c-lime);border-color:var(--c-lime);color:var(--c-ink);transform:translateY(-2px);}
.chip:hover i{color:var(--c-ink);}

/* ---------- 板块标题 ---------- */
.sec-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:32px;
}
.sec-eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.12em;
  color:#6E8A2A;background:var(--c-mist);border-radius:999px;padding:4px 12px;margin-bottom:12px;
}
.sec-head h2{font-size:22px;}
.sec-desc{margin-top:10px;font-size:15px;color:var(--c-muted);max-width:640px;}
.link-more{font-size:14px;font-weight:600;color:var(--c-ink);}
.link-more i{font-size:12px;margin-left:2px;}
@media (min-width:1024px){
  .sec-head h2{font-size:30px;}
}

/* ---------- Bento 主推网格 ---------- */
.bento{display:grid;grid-template-columns:1fr;gap:20px;grid-auto-rows:auto;}
.bento-card{
  position:relative;display:flex;flex-direction:column;justify-content:flex-end;
  border-radius:var(--r-card);overflow:hidden;background:var(--c-ink);
  min-height:220px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.bento-card img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transition:transform .4s ease;opacity:.92;
}
.bento-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,20,26,.05) 20%,rgba(18,20,26,.82) 100%);
}
.bento-body{position:relative;z-index:2;padding:20px;}
.bento-body h3{color:#fff;font-size:17px;line-height:1.3;margin-bottom:8px;}
.bento-body p{color:rgba(255,255,255,.78);font-size:13.5px;line-height:1.6;}
.bento-tag{
  position:absolute;top:14px;left:14px;z-index:2;
  background:var(--c-lime);color:var(--c-ink);font-size:12px;font-weight:700;
  border-radius:999px;padding:3px 11px;
}
.bento-tag.warn{background:var(--c-coral);color:#fff;}
.bento-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.bento-card:hover img{transform:scale(1.04);}
.bento-main{min-height:300px;}
.bento-main .bento-body{padding:26px;}
.bento-main .bento-body h3{font-size:23px;}
.bento-main .bento-body p{font-size:14.5px;max-width:420px;}
@media (min-width:640px){
  .bento{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
  .bento-main{grid-column:span 2;}
  .bento-main .bento-body h3{font-size:26px;}
}
@media (min-width:1024px){
  .bento{grid-template-columns:repeat(12,minmax(0,1fr));grid-auto-rows:minmax(198px,auto);gap:24px;}
  .bento-main{grid-column:span 6;grid-row:span 2;}
  .bento-item{grid-column:span 3;}
}

/* ---------- 资讯列表 ---------- */
.news-main-card{
  display:grid;grid-template-columns:1fr;gap:0;background:var(--c-white);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.news-main-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);}
.news-main-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--c-paper);}
.news-main-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-main-card:hover .news-main-thumb img{transform:scale(1.03);}
.news-main-body{padding:22px;}
.news-main-body h3{font-size:19px;line-height:1.35;margin-bottom:10px;}
.news-main-body p{font-size:14.5px;color:var(--c-muted);line-height:1.7;}
@media (min-width:640px){
  .news-main-card{grid-template-columns:1.05fr 1fr;}
  .news-main-thumb{aspect-ratio:auto;height:100%;min-height:220px;}
}
.news-row{
  display:flex;gap:16px;align-items:flex-start;
  padding:18px 4px;border-bottom:1px solid var(--c-line);
  transition:background .2s ease;
}
.news-row:last-child{border-bottom:0;}
.news-row:hover{background:rgba(255,255,255,.7);}
.news-row-thumb{
  flex-shrink:0;width:86px;height:64px;border-radius:10px;overflow:hidden;
  background:var(--c-paper);border:1px solid var(--c-line);
}
.news-row-thumb img{width:100%;height:100%;object-fit:cover;}
.news-row h3{font-size:15.5px;line-height:1.4;margin-bottom:6px;transition:color .2s ease;}
.news-row:hover h3{color:#3C4A12;}
.news-row p{
  font-size:13.5px;color:var(--c-muted);line-height:1.6;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-row-text{flex:1;min-width:0;}
.meta-line{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--c-muted);letter-spacing:.02em;margin-top:8px;
}
.tag{
  display:inline-flex;align-items:center;gap:5px;
  background:var(--c-mist);color:#5C6E22;border-radius:999px;
  padding:2px 10px;font-size:12px;font-weight:600;
}
.dot-sep{width:3px;height:3px;border-radius:50%;background:var(--c-line);display:inline-block;}
.side-card{
  background:var(--c-white);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:16px;margin-bottom:14px;}
.hot-item{
  display:flex;gap:12px;align-items:flex-start;padding:11px 0;
  border-bottom:1px dashed var(--c-line);
}
.hot-item:last-child{border-bottom:0;}
.hot-rank{
  flex-shrink:0;width:22px;height:22px;border-radius:7px;background:var(--c-paper);
  color:var(--c-muted);font-size:12px;font-weight:700;display:flex;
  align-items:center;justify-content:center;margin-top:2px;
}
.hot-item:nth-child(1) .hot-rank{background:var(--c-lime);color:var(--c-ink);}
.hot-item:nth-child(2) .hot-rank{background:var(--c-ink);color:#fff;}
.hot-item:nth-child(3) .hot-rank{background:var(--c-mist);color:#5C6E22;}
.hot-item a{font-size:14px;line-height:1.5;color:var(--c-body);}
.hot-item a:hover{color:var(--c-ink);text-decoration:underline;text-decoration-color:var(--c-lime);text-underline-offset:3px;}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  min-height:160px;background:var(--c-white);border:1px dashed var(--c-line);
  border-radius:var(--r-card);color:var(--c-muted);font-size:14px;text-align:center;padding:24px;
}
.empty-state i{font-size:22px;color:#B9C79A;}
.empty-state a{font-weight:700;color:var(--c-ink);text-decoration:underline;text-decoration-color:var(--c-lime);text-underline-offset:4px;}

/* ---------- 使用步骤 ---------- */
.steps{display:grid;grid-template-columns:1fr;gap:20px;}
.step-card{
  background:var(--c-white);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.step-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.step-num{
  font-size:26px;font-weight:800;color:var(--c-ink);letter-spacing:-.03em;
  font-variant-numeric:tabular-nums;display:flex;align-items:center;gap:10px;margin-bottom:14px;
}
.step-num::after{content:"";flex:1;height:1px;background:var(--c-line);}
.step-card h3{font-size:17px;margin-bottom:10px;}
.step-card p{font-size:14.5px;color:var(--c-muted);}
@media (min-width:768px){
  .steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
}

/* ---------- 评价轮播 ---------- */
.review-rail{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:6px;scrollbar-width:none;-webkit-overflow-scrolling:touch;
}
.review-rail::-webkit-scrollbar{display:none;}
.review-card{
  flex:0 0 300px;scroll-snap-align:start;
  background:var(--c-white);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease;
}
.review-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{
  width:44px;height:44px;border-radius:50%;overflow:hidden;flex-shrink:0;
  border:1px solid var(--c-line);background:var(--c-paper);
}
.avatar img{width:100%;height:100%;object-fit:cover;}
.review-name{font-size:14.5px;font-weight:700;color:var(--c-ink);}
.review-time{font-size:12.5px;color:var(--c-muted);}
.stars{color:var(--c-lime);font-size:12.5px;letter-spacing:2px;margin-bottom:8px;}
.review-card p{font-size:14px;color:var(--c-muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.review-track{height:4px;background:var(--c-line);border-radius:999px;overflow:hidden;margin-top:20px;max-width:320px;}
.review-bar{height:100%;width:28%;background:var(--c-lime);border-radius:999px;transition:width .22s ease;}

/* ---------- 保障条 ---------- */
.assure{
  background:var(--c-white);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
}
.assure-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));}
.assure-item{
  display:flex;align-items:center;gap:12px;padding:22px 8px;font-size:14px;color:var(--c-body);
}
.assure-item i{font-size:17px;color:#6E8A2A;}
@media (min-width:1024px){
  .assure-grid{grid-template-columns:repeat(4,minmax(0,1fr));}
  .assure-item{padding:26px 20px;border-right:1px solid var(--c-line);}
  .assure-item:last-child{border-right:0;}
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item:first-child{border-top:1px solid var(--c-line);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:62px;padding:16px 4px;cursor:pointer;list-style:none;
  font-size:15.5px;font-weight:600;color:var(--c-ink);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:#3C4A12;}
.faq-plus{
  flex-shrink:0;width:28px;height:28px;border-radius:999px;
  background:var(--c-paper);border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;
  transition:transform .25s ease,background .25s ease,border-color .25s ease;
  color:var(--c-ink);font-size:12px;
}
.faq-item[open] .faq-plus{transform:rotate(45deg);background:var(--c-lime);border-color:var(--c-lime);}
.faq-body{padding:0 4px 20px;font-size:15px;line-height:1.85;color:var(--c-muted);}

/* ---------- 通栏 CTA ---------- */
.cta-band{
  background:var(--c-ink);color:var(--c-paper);border-radius:0;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.16;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:28px;align-items:center;padding:56px 0;}
.cta-inner h2{color:#fff;font-size:24px;line-height:1.25;margin-bottom:12px;}
.cta-inner p{font-size:15px;color:rgba(246,245,241,.72);max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-qr{
  display:flex;align-items:center;gap:12px;margin-top:18px;font-size:13px;color:rgba(246,245,241,.6);
}
.cta-qr span.qr-box{
  width:56px;height:56px;border-radius:10px;border:1px dashed var(--c-line-dark);
  display:flex;align-items:center;justify-content:center;color:var(--c-lime);font-size:18px;
}
@media (min-width:1024px){
  .cta-inner{grid-template-columns:1.4fr .9fr;padding:72px 0;}
  .cta-inner h2{font-size:32px;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:var(--c-paper);padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--c-lime);}
.footer-brand .brand-mark::after{background:var(--c-ink);}
.footer-brand span{font-size:17px;font-weight:800;color:#fff;}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(246,245,241,.62);max-width:320px;}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{font-size:14px;color:rgba(246,245,241,.68);transition:color .2s ease;}
.footer-links a:hover{color:var(--c-lime);}
.footer-bottom{
  margin-top:56px;border-top:1px solid var(--c-line-dark);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:rgba(246,245,241,.5);
}
.footer-bottom a:hover{color:var(--c-lime);}
@media (min-width:768px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;}
}

/* ---------- 移动端微调 ---------- */
@media (max-width:639px){
  .hero h1{font-size:28px;}
  .float-card{position:static;margin-top:14px;max-width:none;}
  .news-row-thumb{width:74px;height:56px;}
  .cta-inner{padding:48px 0;}
}

/* roulang page: article */
:root{
  --c-lime:#C8F751;
  --c-lime-hi:#D6FF66;
  --c-ink:#12141A;
  --c-ink-2:#1C1F26;
  --c-coral:#FF5C39;
  --c-bg:#F6F5F1;
  --c-surface:#FFFFFF;
  --c-mist:#EDF6DC;
  --c-text:#2A2D34;
  --c-muted:#6B7280;
  --c-place:#9AA0A6;
  --c-line:#E4E2D9;
  --c-line-dark:#2A2E36;
  --r-card:16px;
  --r-img:12px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(18,20,26,.04), 0 12px 32px rgba(18,20,26,.06);
  --sh-2:0 2px 4px rgba(18,20,26,.06), 0 20px 44px rgba(18,20,26,.10);
  --f-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::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:var(--f-sans);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
button{border:0;background:none;cursor:pointer}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0}
:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.container{padding:0 32px}}
.num{font-variant-numeric:tabular-nums}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;font-size:14px;line-height:1;
  padding:14px 26px;min-height:44px;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease;
  white-space:nowrap}
.btn-primary{background:var(--c-lime);color:var(--c-ink);box-shadow:0 6px 18px rgba(200,247,81,.35)}
.btn-primary:hover{background:var(--c-lime-hi);transform:translateY(-2px);box-shadow:0 10px 26px rgba(200,247,81,.45)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(200,247,81,.3)}
.btn-ghost{background:transparent;color:var(--c-ink);box-shadow:inset 0 0 0 1.5px var(--c-ink)}
.btn-ghost:hover{background:var(--c-ink);color:#F6F5F1;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:11px 20px;min-height:40px;font-size:13px}
.btn-dark{background:var(--c-ink);color:#F6F5F1}
.btn-dark:hover{background:#000;transform:translateY(-2px)}

/* ---------- chip / 标签 ---------- */
.chip{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:600;background:var(--c-mist);color:#3E4A22;border:1px solid #DDEBC0}
.chip-neutral{background:#fff;color:var(--c-muted);border-color:var(--c-line)}
.chip-coral{background:#FFEDE8;color:#B33A1D;border-color:#FFD6CA}

/* ---------- 吸顶导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(246,245,241,.94);
  backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:border-color .25s,background-color .25s}
.site-header.scrolled{background:rgba(246,245,241,.88);border-bottom-color:var(--c-line)}
.topbar-inner{display:flex;align-items:center;gap:22px;height:64px;transition:height .25s}
.site-header.scrolled .topbar-inner{height:56px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;letter-spacing:-.01em;flex:0 0 auto}
.brand-mark{width:26px;height:26px;border-radius:8px;background:var(--c-ink);position:relative;flex:0 0 auto}
.brand-mark::after{content:"";position:absolute;inset:7px;border-radius:3px;background:var(--c-lime)}
.main-nav{display:flex;align-items:center;gap:24px}
.nav-link{position:relative;font-size:14px;font-weight:600;padding:10px 0;color:var(--c-text);transition:color .2s}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;border-radius:2px;
  background:var(--c-lime);transform:scaleX(0);transform-origin:left;transition:transform .25s ease}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-link:hover{color:var(--c-ink)}
.nav-search{position:relative;margin-left:auto;display:flex;align-items:center;width:210px}
.nav-search i{position:absolute;left:14px;font-size:13px;color:var(--c-place)}
.nav-search input{width:100%;height:42px;border-radius:var(--r-input);border:1px solid var(--c-line);
  background:#fff;padding:0 14px 0 36px;font-size:13.5px;transition:border-color .2s,box-shadow .2s}
.nav-search input::placeholder{color:var(--c-place)}
.nav-search input:focus{outline:none;border-color:var(--c-lime);box-shadow:0 0 0 3px rgba(200,247,81,.35)}
.burger{display:none;width:44px;height:44px;border-radius:12px;background:#fff;border:1px solid var(--c-line);
  flex-direction:column;align-items:center;justify-content:center;gap:4px}
.burger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink)}
.hotbar{border-top:1px solid var(--c-line);background:rgba(255,255,255,.6)}
.hotbar-inner{display:flex;align-items:center;gap:14px;height:44px}
.hot-tag{flex:0 0 auto;font-size:12px;font-weight:800;color:var(--c-ink);background:var(--c-lime);
  border-radius:6px;padding:4px 8px;line-height:1}
.hot-scroll{display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none}
.hot-scroll::-webkit-scrollbar{display:none}
.hot-scroll a{flex:0 0 auto;font-size:13.5px;font-weight:500;color:#4B5158;background:#fff;
  border:1px solid var(--c-line);border-radius:999px;padding:6px 14px;transition:background-color .2s,color .2s,border-color .2s}
.hot-scroll a:hover{background:var(--c-mist);color:var(--c-ink);border-color:#DDEBC0}
.site-header.scrolled .hotbar{display:none}
.nav-cta{flex:0 0 auto}

/* ---------- 抽屉 ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(18,20,26,.45);opacity:0;visibility:hidden;
  transition:opacity .28s,visibility .28s;z-index:80}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;width:330px;max-width:88vw;height:100%;background:#fff;z-index:90;
  transform:translateX(101%);transition:transform .3s cubic-bezier(.4,0,.2,1);padding:22px;overflow-y:auto;
  box-shadow:-20px 0 50px rgba(18,20,26,.16)}
.drawer.open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{width:40px;height:40px;border-radius:12px;background:var(--c-bg);font-size:16px}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;border:1px solid var(--c-line);
  border-radius:var(--r-input);padding:0 12px;background:#fff;margin-bottom:20px}
.drawer-search input{border:0;outline:none;width:100%;font-size:14px;background:transparent}
.drawer-label{font-size:12px;font-weight:800;letter-spacing:.08em;color:var(--c-place);margin:18px 0 6px}
.drawer-link{display:flex;align-items:center;justify-content:space-between;height:48px;font-size:15px;
  font-weight:600;border-bottom:1px solid var(--c-line)}
.drawer-link:hover{color:#5A6B22}
.drawer-cloud{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.drawer-cloud a{font-size:13px;background:var(--c-bg);border-radius:999px;padding:7px 13px;border:1px solid var(--c-line)}
.drawer-cloud a:hover{background:var(--c-mist)}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:20px 0 4px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);letter-spacing:.02em}
.crumbs a:hover{color:var(--c-ink);text-decoration:underline;text-decoration-color:var(--c-lime);text-underline-offset:3px}
.crumbs .sep{color:#C7C4B8}
.crumbs .current{color:#9AA0A6;max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头部 ---------- */
.article-head{padding:18px 0 30px;border-bottom:1px solid var(--c-line)}
.article-head .chip{margin-bottom:16px}
.article-head h1{font-size:30px;line-height:1.24;font-weight:800;letter-spacing:-.02em;max-width:900px;color:var(--c-ink)}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--c-muted);letter-spacing:.02em}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#CFCBBE}
.meta-row .meta-strong{color:var(--c-ink);font-weight:600}
@media(min-width:768px){.article-head{padding:26px 0 38px}.article-head h1{font-size:38px}}
@media(min-width:1024px){.article-head h1{font-size:42px}}

/* ---------- 布局 ---------- */
.article-grid{display:grid;grid-template-columns:1fr;gap:40px;padding:34px 0 64px}
@media(min-width:1024px){
  .article-grid{grid-template-columns:minmax(0,2.05fr) minmax(0,1fr);gap:52px;padding:44px 0 80px}
}
.article-main{min-width:0}
.article-cover{margin:0 0 32px;border-radius:var(--r-card);overflow:hidden;background:#E9E7DF;
  box-shadow:var(--sh-1);aspect-ratio:16/9}
.article-cover img{width:100%;height:100%;object-fit:cover}

/* ---------- 正文 ---------- */
.article-body{font-size:17.5px;line-height:1.9;color:var(--c-text);max-width:760px}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{position:relative;font-size:24px;font-weight:800;line-height:1.34;letter-spacing:-.02em;
  color:var(--c-ink);margin:2.1em 0 .85em;padding-left:17px;scroll-margin-top:110px}
.article-body h2::before{content:"";position:absolute;left:0;top:.22em;width:4px;height:1em;border-radius:2px;background:var(--c-lime)}
.article-body h3{position:relative;font-size:19px;font-weight:700;line-height:1.5;color:var(--c-ink);
  margin:1.8em 0 .7em;padding-left:20px;scroll-margin-top:110px}
.article-body h3::before{content:"";position:absolute;left:2px;top:.58em;width:8px;height:8px;border-radius:50%;background:var(--c-lime)}
.article-body h4{font-size:16.5px;font-weight:700;color:var(--c-ink);margin:1.5em 0 .6em}
.article-body ul{list-style:disc;padding-left:1.35em;margin:0 0 1.25em}
.article-body ol{list-style:decimal;padding-left:1.45em;margin:0 0 1.25em}
.article-body li{margin:.42em 0}
.article-body li::marker{color:#9AA33F}
.article-body blockquote{margin:1.6em 0;padding:16px 20px;border-left:3px solid var(--c-lime);
  background:#fff;border-radius:0 12px 12px 0;color:#3B404A;font-size:16.5px}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:1.6em 0 .7em}
.article-body figure{margin:1.7em 0}
.article-body figcaption{font-size:13px;color:var(--c-muted);text-align:center;margin-top:10px}
.article-body a{color:var(--c-ink);font-weight:600;padding-bottom:2px;
  background-image:linear-gradient(var(--c-lime),var(--c-lime));background-repeat:no-repeat;
  background-position:0 100%;background-size:100% 2px;transition:background-size .22s ease}
.article-body a:hover{background-size:100% 9px}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.5em 0;background:#fff;
  border-radius:var(--r-img);overflow:hidden}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:11px 13px;text-align:left;vertical-align:top}
.article-body th{background:var(--c-mist);font-weight:700;color:var(--c-ink)}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:2.4em 0}
.article-body code{background:#fff;border:1px solid var(--c-line);border-radius:6px;padding:1px 6px;font-size:14.5px}

/* ---------- 空态 ---------- */
.empty-state{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  text-align:center;padding:36px 24px;max-width:760px}
.empty-icon{width:52px;height:52px;border-radius:16px;background:var(--c-mist);display:flex;align-items:center;
  justify-content:center;color:#5A6B22;font-size:20px}
.empty-state p{color:var(--c-muted);font-size:15px}
.empty-state .empty-title{font-size:18px;font-weight:800;color:var(--c-ink)}

/* ---------- 标签行 / 延伸阅读 ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:38px 0 0;padding-top:26px;border-top:1px solid var(--c-line)}
.tag-row .tag-label{font-size:13px;font-weight:700;color:var(--c-muted);margin-right:2px}
.tag-row a{font-size:13px;font-weight:600;background:#fff;border:1px solid var(--c-line);
  border-radius:999px;padding:7px 15px;transition:background-color .2s,transform .2s}
.tag-row a:hover{background:var(--c-mist);transform:translateY(-2px)}
.dual-nav{display:grid;grid-template-columns:1fr;gap:16px;margin-top:34px}
@media(min-width:640px){.dual-nav{grid-template-columns:1fr 1fr}}
.dual-card{display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease}
.dual-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.dual-card .dual-kicker{font-size:12px;font-weight:800;letter-spacing:.08em;color:var(--c-place)}
.dual-card h3{font-size:17px;font-weight:700;color:var(--c-ink);margin:8px 0 6px;line-height:1.45}
.dual-card p{font-size:14px;color:var(--c-muted);line-height:1.7}
.dual-card .dual-go{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:13.5px;
  font-weight:700;color:var(--c-ink)}
.dual-card .dual-go i{transition:transform .2s}
.dual-card:hover .dual-go i{transform:translateX(4px)}

/* ---------- 侧栏 ---------- */
.article-side{min-width:0}
.side-sticky{display:flex;flex-direction:column;gap:20px}
@media(min-width:1024px){.side-sticky{position:sticky;top:96px}}
.side-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:20px}
.side-card h3{font-size:14px;font-weight:800;color:var(--c-ink);letter-spacing:.01em;margin-bottom:14px;
  display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--c-lime);display:inline-block}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:340px;overflow-y:auto}
.toc-link{display:block;font-size:14px;line-height:1.55;color:var(--c-muted);padding:9px 10px;
  border-left:2px solid transparent;border-radius:0 8px 8px 0;transition:background-color .2s,color .2s,border-color .2s}
.toc-link:hover{background:var(--c-bg);color:var(--c-ink)}
.toc-link.is-active{background:var(--c-mist);color:var(--c-ink);font-weight:700;border-left-color:var(--c-lime)}
.toc-mobile{display:block}
@media(min-width:1024px){.toc-mobile{display:none}.toc-desktop{display:block}}
.toc-desktop{display:none}
.toc-mobile summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  font-size:14px;font-weight:800;color:var(--c-ink);min-height:44px}
.toc-mobile summary::-webkit-details-marker{display:none}
.hot-item{display:flex;gap:12px;padding:13px 0;border-bottom:1px solid var(--c-line)}
.hot-item:last-child{border-bottom:0;padding-bottom:2px}
.hot-rank{flex:0 0 auto;width:24px;height:24px;border-radius:8px;background:var(--c-bg);color:var(--c-muted);
  font-size:12.5px;font-weight:800;display:flex;align-items:center;justify-content:center;margin-top:2px}
.hot-item:first-child .hot-rank{background:var(--c-lime);color:var(--c-ink)}
.hot-item h4{font-size:14.5px;font-weight:600;line-height:1.6;color:var(--c-text);transition:color .2s}
.hot-item:hover h4{color:#3F4A16}
.hot-item .hot-meta{font-size:12px;color:var(--c-place);margin-top:4px}
.side-cta{background:var(--c-ink);border:0;color:#F6F5F1;position:relative;overflow:hidden}
.side-cta::after{content:"";position:absolute;right:-30px;bottom:-40px;width:130px;height:130px;border-radius:50%;
  background:radial-gradient(circle,rgba(200,247,81,.28),transparent 70%)}
.side-cta h3{color:#fff}
.side-cta h3::before{background:var(--c-lime)}
.side-cta p{font-size:14px;color:#B9BEC6;line-height:1.75;margin-bottom:16px}
.side-cta .btn{width:100%}

/* ---------- 相关推荐 ---------- */
.related{padding:0 0 72px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.section-head h2{font-size:26px;font-weight:800;letter-spacing:-.02em;color:var(--c-ink);line-height:1.24}
.section-head p{font-size:14px;color:var(--c-muted);margin-top:8px}
.section-head .more-link{font-size:14px;font-weight:700;color:var(--c-ink);display:inline-flex;align-items:center;gap:6px}
.section-head .more-link i{transition:transform .2s}
.section-head .more-link:hover i{transform:translateX(4px)}
.card-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media(min-width:640px){.card-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr)}}
.post-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease;display:flex;flex-direction:column}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.post-card .cover{aspect-ratio:4/3;overflow:hidden;background:#E9E7DF}
.post-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.post-card:hover .cover img{transform:scale(1.04)}
.post-card .body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card h3{font-size:17px;font-weight:700;line-height:1.5;color:var(--c-ink);display:-webkit-box;
  -webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card:hover h3{text-decoration:underline;text-decoration-color:var(--c-lime);text-decoration-thickness:2px;text-underline-offset:4px}
.post-card .excerpt{font-size:14px;color:var(--c-muted);line-height:1.7;display:-webkit-box;
  -webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card .card-meta{margin-top:auto;padding-top:12px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--c-place)}

/* ---------- 通栏 CTA ---------- */
.cta-band{background:var(--c-ink);color:#F6F5F1;padding:64px 0}
.cta-inner{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
@media(min-width:1024px){.cta-inner{grid-template-columns:1.4fr 1fr;gap:48px}}
.cta-band .cta-badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--c-lime);background:rgba(200,247,81,.12);border:1px solid rgba(200,247,81,.28);
  border-radius:999px;padding:7px 14px;margin-bottom:18px}
.cta-band h2{font-size:28px;line-height:1.26;font-weight:800;letter-spacing:-.02em;color:#fff}
.cta-band p{font-size:15px;color:#B9BEC6;line-height:1.8;margin-top:14px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
@media(max-width:1023px){.cta-actions{justify-content:flex-start}}
.cta-band .btn-ghost{color:#F6F5F1;box-shadow:inset 0 0 0 1.5px rgba(246,245,241,.7)}
.cta-band .btn-ghost:hover{background:#F6F5F1;color:var(--c-ink)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#F6F5F1;padding:60px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media(min-width:640px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;color:#fff}
.footer-brand .brand-mark{background:#fff}
.footer-brand .brand-mark::after{background:var(--c-ink)}
.footer-desc{font-size:14px;line-height:1.85;color:#9AA0A6;margin-top:14px;max-width:340px}
.footer-col h4{font-size:14px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:2px}
.footer-links a{font-size:14px;line-height:2;color:#B9BEC6;transition:color .2s,transform .2s;display:inline-block}
.footer-links a:hover{color:var(--c-lime);transform:translateX(3px)}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid var(--c-line-dark);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#8C929B}
.footer-bottom a{color:#B9BEC6}
.footer-bottom a:hover{color:var(--c-lime)}

/* ---------- 响应式导航 ---------- */
@media(max-width:1023px){
  .main-nav,.nav-search,.nav-cta{display:none}
  .burger{display:flex;margin-left:auto}
}
@media(min-width:1024px){.drawer,.drawer-mask{display:none}}

/* ---------- 入场动效 ---------- */
.fade-up{opacity:0;transform:translateY(12px);animation:fadeUp .45s ease forwards}
@keyframes fadeUp{to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){.fade-up{animation:none;opacity:1;transform:none}}

/* roulang page: category1 */
:root{
  --c-lime:#C8F751;
  --c-lime-strong:#D6FF66;
  --c-ink:#12141A;
  --c-ink-2:#1C1F26;
  --c-coral:#FF5C39;
  --c-bg:#F6F5F1;
  --c-white:#FFFFFF;
  --c-mist:#EDF6DC;
  --c-text:#2A2D34;
  --c-muted:#6B7280;
  --c-placeholder:#9AA0A6;
  --c-border:#E4E2D9;
  --c-border-dark:#2A2E36;
  --r-card:16px;
  --r-img:12px;
  --r-input:10px;
  --shadow-1:0 1px 2px rgba(18,20,26,.04), 0 12px 32px rgba(18,20,26,.06);
  --shadow-2:0 2px 4px rgba(18,20,26,.06), 0 20px 44px rgba(18,20,26,.10);
  --container:1232px;
}
*,*::before,*::after{box-sizing:border-box}
.site-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:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
.site-body.no-scroll{overflow:hidden}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}
/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(246,245,241,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background .24s ease,border-color .24s ease;
}
.site-header.is-stuck{
  background:rgba(246,245,241,.88);
  border-bottom-color:var(--c-border);
  box-shadow:0 6px 20px rgba(18,20,26,.05);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:64px;
  transition:height .22s ease;
}
.site-header.is-stuck .header-inner{height:56px}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  color:var(--c-ink);
  flex-shrink:0;
}
.brand-mark{
  width:26px;
  height:26px;
  border-radius:8px;
  background:var(--c-ink);
  position:relative;
  flex-shrink:0;
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:8px;
  border-radius:3px;
  background:var(--c-lime);
}
.brand-name{
  font-size:18px;
  font-weight:800;
  letter-spacing:-.02em;
  white-space:nowrap;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:24px;
  margin-left:8px;
}
.nav-link{
  position:relative;
  font-size:14px;
  font-weight:600;
  color:var(--c-text);
  text-decoration:none;
  padding:6px 0;
  white-space:nowrap;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:2px;
  background:var(--c-lime);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .24s ease;
}
.nav-link:hover{color:var(--c-ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--c-ink)}
.nav-link.active::after{transform:scaleX(1)}
.header-tools{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
.search-box{
  display:flex;
  align-items:center;
  width:230px;
  height:40px;
  background:var(--c-white);
  border:1px solid var(--c-border);
  border-radius:var(--r-input);
  padding:0 6px 0 12px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{
  border-color:var(--c-lime);
  box-shadow:0 0 0 3px rgba(200,247,81,.35);
}
.search-input{
  flex:1;
  min-width:0;
  height:100%;
  border:0;
  outline:none;
  background:transparent;
  font-size:14px;
  font-family:inherit;
  color:var(--c-text);
}
.search-input::placeholder{color:var(--c-placeholder)}
.search-btn{
  width:30px;
  height:30px;
  border:0;
  border-radius:8px;
  background:var(--c-ink);
  color:var(--c-lime);
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:background .2s ease,transform .2s ease;
}
.search-btn:hover{background:var(--c-ink-2);transform:translateY(-1px)}
.search-btn svg{width:15px;height:15px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:12px 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  font-family:inherit;
  text-decoration:none;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,transform .18s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{
  background:var(--c-lime);
  color:var(--c-ink);
  box-shadow:0 8px 20px rgba(200,247,81,.35);
}
.btn-primary:hover{background:var(--c-lime-strong);transform:translateY(-2px);box-shadow:0 12px 26px rgba(200,247,81,.45)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(200,247,81,.35)}
.btn-ghost{
  background:transparent;
  color:var(--c-ink);
  border-color:var(--c-ink);
}
.btn-ghost:hover{background:var(--c-ink);color:var(--c-bg);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{min-height:38px;padding:8px 20px;font-size:14px}
.btn:focus-visible,.nav-link:focus-visible,.filter-chip:focus-visible,.anchor-list a:focus-visible{
  outline:2px solid var(--c-lime);
  outline-offset:2px;
}
.menu-toggle{
  display:none;
  width:44px;
  height:44px;
  border:1px solid var(--c-border);
  border-radius:12px;
  background:var(--c-white);
  cursor:pointer;
  padding:11px 10px;
  flex-direction:column;
  justify-content:space-between;
}
.menu-toggle span{
  display:block;
  height:2px;
  border-radius:2px;
  background:var(--c-ink);
  transition:transform .2s ease,opacity .2s ease;
}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(9px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}
.trend-bar{
  height:44px;
  overflow:hidden;
  border-top:1px solid var(--c-border);
  transition:height .24s ease,opacity .22s ease;
}
.site-header.is-stuck .trend-bar{height:0;opacity:0;border-top-color:transparent}
.trend-inner{
  display:flex;
  align-items:center;
  gap:14px;
  height:44px;
}
.trend-label{
  flex-shrink:0;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  background:var(--c-coral);
  color:#fff;
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
}
.trend-scroll{
  display:flex;
  align-items:center;
  gap:10px;
  overflow-x:auto;
  scrollbar-width:none;
  padding:6px 0;
}
.trend-scroll::-webkit-scrollbar{display:none}
.trend-chip{
  flex-shrink:0;
  font-size:14px;
  color:var(--c-text);
  text-decoration:none;
  padding:5px 14px;
  border-radius:999px;
  background:var(--c-mist);
  white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.trend-chip:hover{background:var(--c-white);color:var(--c-ink);text-decoration:underline;text-decoration-color:var(--c-lime);text-decoration-thickness:2px}
/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(18,20,26,.45);
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:80;
}
.drawer-mask.is-show{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;
  top:0;
  right:0;
  height:100%;
  width:min(340px,86vw);
  background:var(--c-white);
  z-index:90;
  transform:translateX(102%);
  transition:transform .28s ease;
  display:flex;
  flex-direction:column;
  gap:18px;
  padding:20px;
  overflow-y:auto;
  box-shadow:-14px 0 40px rgba(18,20,26,.16);
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.drawer-close{
  width:38px;
  height:38px;
  border:1px solid var(--c-border);
  border-radius:12px;
  background:var(--c-white);
  font-size:20px;
  line-height:1;
  color:var(--c-ink);
  cursor:pointer;
}
.drawer-search{display:flex;gap:8px}
.drawer-search input{
  flex:1;
  min-width:0;
  height:44px;
  border:1px solid var(--c-border);
  border-radius:var(--r-input);
  padding:0 12px;
  font-size:15px;
  font-family:inherit;
  outline:none;
}
.drawer-search input:focus{border-color:var(--c-lime);box-shadow:0 0 0 3px rgba(200,247,81,.35)}
.drawer-search button{
  height:44px;
  padding:0 18px;
  border:0;
  border-radius:var(--r-input);
  background:var(--c-ink);
  color:var(--c-lime);
  font-size:14px;
  font-weight:700;
  font-family:inherit;
  cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  height:48px;
  display:flex;
  align-items:center;
  font-size:15px;
  font-weight:600;
  color:var(--c-text);
  text-decoration:none;
  border-bottom:1px solid var(--c-border);
}
.drawer-nav a.active{color:var(--c-ink);box-shadow:inset 3px 0 0 var(--c-lime);padding-left:10px}
.drawer-hot h4{
  margin:0 0 10px;
  font-size:14px;
  font-weight:700;
  color:var(--c-ink);
}
.drawer-chips{display:flex;flex-wrap:wrap;gap:8px}
.drawer-chips a{
  font-size:14px;
  color:var(--c-text);
  text-decoration:none;
  padding:6px 12px;
  border-radius:999px;
  background:var(--c-mist);
}
.drawer-cta{margin-top:auto;width:100%}
/* ---------- 通用板块 ---------- */
.section{padding:72px 0}
.section-tight{padding:56px 0}
.section-head{max-width:720px;margin-bottom:32px}
.section-title{
  margin:0 0 10px;
  font-size:30px;
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.2;
  color:var(--c-ink);
}
.section-sub{margin:0;color:var(--c-muted);font-size:15px;line-height:1.8}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--c-ink);
  background:var(--c-mist);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:8px;
  height:8px;
  border-radius:2px;
  background:var(--c-coral);
}
.tag{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  color:var(--c-ink);
  background:var(--c-mist);
}
.tag-lime{background:var(--c-lime)}
.meta-dot{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--c-muted);
  font-size:13px;
  letter-spacing:.02em;
}
.meta-dot span+span::before{
  content:"·";
  margin-right:8px;
  color:var(--c-border);
}
/* ---------- 分类头 ---------- */
.cat-hero{
  padding:40px 0 8px;
  border-bottom:1px solid var(--c-border);
}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--c-muted);
  margin-bottom:20px;
}
.crumb a{color:var(--c-muted);text-decoration:none}
.crumb a:hover{color:var(--c-ink)}
.crumb .sep{color:var(--c-border)}
.crumb .now{color:#9AA0A6}
.cat-title{
  margin:0 0 18px;
  font-size:clamp(30px,4vw,44px);
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.16;
  color:var(--c-ink);
  max-width:900px;
}
.cat-lead{
  margin:0 0 26px;
  max-width:820px;
  color:var(--c-muted);
  font-size:16px;
  line-height:1.9;
}
.filter-row{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding:0 0 22px;
  scrollbar-width:none;
}
.filter-row::-webkit-scrollbar{display:none}
.filter-chip{
  flex-shrink:0;
  height:38px;
  display:inline-flex;
  align-items:center;
  padding:0 18px;
  border-radius:999px;
  border:1px solid var(--c-border);
  background:var(--c-white);
  color:var(--c-text);
  font-size:14px;
  font-weight:600;
  font-family:inherit;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .18s ease;
}
.filter-chip:hover{transform:translateY(-1px);border-color:var(--c-ink)}
.filter-chip.is-active{background:var(--c-ink);color:var(--c-lime);border-color:var(--c-ink)}
/* ---------- 要点条 ---------- */
.points-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  background:var(--c-white);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  overflow:hidden;
}
.point-item{
  padding:26px 24px;
  border-left:1px solid var(--c-border);
}
.point-item:first-child{border-left:0}
.point-num{
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--c-coral);
  margin-bottom:8px;
}
.point-title{
  margin:0 0 6px;
  font-size:16px;
  font-weight:700;
  color:var(--c-ink);
}
.point-desc{margin:0;font-size:14px;color:var(--c-muted);line-height:1.7}
/* ---------- 双栏布局 ---------- */
.layout-2col{
  display:grid;
  grid-template-columns:minmax(0,8fr) minmax(0,4fr);
  gap:40px;
  align-items:start;
}
.col-side{position:sticky;top:126px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--c-white);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--shadow-1);
}
.side-card h3{
  margin:0 0 14px;
  font-size:15px;
  font-weight:700;
  color:var(--c-ink);
  letter-spacing:.01em;
}
.anchor-list{display:flex;flex-direction:column;gap:2px}
.anchor-list a{
  display:flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  padding:4px 10px;
  border-radius:10px;
  font-size:14px;
  color:var(--c-text);
  text-decoration:none;
  transition:background .2s ease,color .2s ease;
}
.anchor-list a::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:2px;
  background:var(--c-border);
  transition:background .2s ease;
}
.anchor-list a:hover{background:var(--c-bg);color:var(--c-ink)}
.anchor-list a:hover::before{background:var(--c-lime)}
.anchor-list a.is-current{background:var(--c-mist);color:var(--c-ink);font-weight:700}
.anchor-list a.is-current::before{background:var(--c-ink)}
.point-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:16px}
.point-list li{display:flex;gap:12px;align-items:flex-start}
.point-list .idx{
  flex-shrink:0;
  width:28px;
  height:28px;
  border-radius:9px;
  background:var(--c-ink);
  color:var(--c-lime);
  font-size:12px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
}
.point-list .txt{font-size:14px;color:var(--c-text);line-height:1.7}
.point-list .txt strong{display:block;color:var(--c-ink);font-size:14px;margin-bottom:2px}
/* ---------- 图文清单流 ---------- */
.scene-list{display:flex;flex-direction:column}
.scene-item{
  display:grid;
  grid-template-columns:210px minmax(0,1fr);
  gap:24px;
  padding:24px 0;
  border-bottom:1px solid var(--c-border);
}
.scene-item:first-child{padding-top:0}
.scene-item:last-child{border-bottom:0;padding-bottom:0}
.scene-thumb{
  position:relative;
  aspect-ratio:4/3;
  border-radius:var(--r-img);
  overflow:hidden;
  background:var(--c-mist);
  border:1px solid var(--c-border);
}
.scene-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  transition:transform .35s ease;
}
.scene-item:hover .scene-thumb img{transform:scale(1.04)}
.scene-body{display:flex;flex-direction:column;gap:10px}
.scene-title{
  margin:0;
  font-size:19px;
  font-weight:700;
  line-height:1.4;
  color:var(--c-ink);
}
.scene-title a{
  color:inherit;
  text-decoration:none;
  background-image:linear-gradient(var(--c-lime),var(--c-lime));
  background-repeat:no-repeat;
  background-size:0 3px;
  background-position:0 100%;
  transition:background-size .28s ease;
  padding-bottom:2px;
}
.scene-title a:hover{background-size:100% 3px}
.scene-desc{margin:0;font-size:15px;color:var(--c-muted);line-height:1.8}
.scene-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:2px}
.dot-flag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  color:var(--c-coral);
  font-weight:600;
}
.dot-flag::before{
  content:"";
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--c-coral);
}
/* ---------- 流程 ---------- */
.steps-wrap{
  background:var(--c-white);
  border:1px solid var(--c-border);
  border-radius:24px;
  padding:44px;
  box-shadow:var(--shadow-1);
}
.steps-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.step-card{
  border-top:2px solid var(--c-ink);
  padding-top:20px;
}
.step-num{
  font-size:34px;
  font-weight:800;
  letter-spacing:-.03em;
  color:var(--c-lime);
  -webkit-text-stroke:1px var(--c-ink);
  line-height:1;
  margin-bottom:12px;
}
.step-title{margin:0 0 8px;font-size:17px;font-weight:700;color:var(--c-ink)}
.step-desc{margin:0;font-size:15px;color:var(--c-muted);line-height:1.8}
/* ---------- 资讯位 ---------- */
.news-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.news-card{
  background:var(--c-white);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.news-link{
  display:block;
  padding:22px;
  text-decoration:none;
  color:inherit;
}
.news-card h3{
  margin:0 0 10px;
  font-size:17px;
  font-weight:700;
  color:var(--c-ink);
  line-height:1.45;
}
.news-card p{
  margin:0 0 14px;
  font-size:15px;
  color:var(--c-muted);
  line-height:1.8;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-meta{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:13px;
  color:var(--c-muted);
}
.empty-state{
  min-height:160px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:12px;
  text-align:center;
  background:var(--c-white);
  border:1px dashed var(--c-border);
  border-radius:var(--r-card);
  padding:28px;
}
.empty-icon{
  width:44px;
  height:44px;
  border-radius:14px;
  background:var(--c-mist);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--c-ink);
}
.empty-state p{margin:0;font-size:15px;color:var(--c-muted)}
.empty-state a{
  font-size:14px;
  font-weight:700;
  color:var(--c-ink);
  text-decoration:none;
  border-bottom:2px solid var(--c-lime);
  padding-bottom:2px;
}
/* ---------- FAQ ---------- */
.faq-list{
  background:var(--c-white);
  border:1px solid var(--c-border);
  border-radius:var(--r-card);
  padding:6px 24px;
  box-shadow:var(--shadow-1);
}
.faq-item{border-bottom:1px solid var(--c-border)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:60px;
  padding:14px 0;
  font-size:15px;
  font-weight:600;
  color:var(--c-ink);
  cursor:pointer;
  list-style:none;
}
.faq-q::-webkit-details-marker{display:none}
.faq-q::after{
  content:"+";
  flex-shrink:0;
  width:26px;
  height:26px;
  border-radius:9px;
  background:var(--c-mist);
  color:var(--c-ink);
  font-size:16px;
  font-weight:700;
  line-height:26px;
  text-align:center;
  transition:transform .25s ease,background .25s ease;
}
.faq-item[open] .faq-q::after{transform:rotate(45deg);background:var(--c-lime)}
.faq-a{
  padding:0 0 18px;
  font-size:15px;
  line-height:1.85;
  color:var(--c-muted);
}
.faq-a p{margin:0}
/* ---------- CTA 条 ---------- */
.cta-strip{
  background:var(--c-ink);
  border-radius:24px;
  padding:36px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
}
.cta-strip h2{
  margin:0 0 8px;
  font-size:24px;
  font-weight:800;
  letter-spacing:-.02em;
  color:#fff;
  line-height:1.3;
}
.cta-strip p{margin:0;font-size:15px;color:rgba(246,245,241,.72)}
.cta-actions{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.cta-text-link{
  font-size:14px;
  font-weight:600;
  color:#fff;
  text-decoration:none;
  background-image:linear-gradient(var(--c-lime),var(--c-lime));
  background-repeat:no-repeat;
  background-size:100% 2px;
  background-position:0 100%;
  padding-bottom:3px;
  transition:background-size .28s ease;
}
.cta-text-link:hover{background-size:0 2px}
/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--c-ink);
  color:#F6F5F1;
  margin-top:80px;
  padding:56px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:36px;
  border-bottom:1px solid var(--c-border-dark);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  letter-spacing:-.02em;
  margin-bottom:14px;
}
.footer-desc{
  margin:0;
  font-size:14px;
  line-height:1.9;
  color:rgba(246,245,241,.66);
  max-width:360px;
}
.footer-col h4{
  margin:0 0 14px;
  font-size:14px;
  font-weight:700;
  color:#fff;
  letter-spacing:.02em;
}
.footer-links{display:flex;flex-direction:column;gap:4px}
.footer-links a{
  font-size:14px;
  line-height:2;
  color:rgba(246,245,241,.72);
  text-decoration:none;
  transition:color .2s ease;
}
.footer-links a:hover{color:var(--c-lime)}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:22px;
  font-size:13px;
  color:rgba(246,245,241,.6);
}
.footer-bottom a{color:rgba(246,245,241,.72);text-decoration:none}
.footer-bottom a:hover{color:var(--c-lime)}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .main-nav{display:none}
  .search-box{display:none}
  .menu-toggle{display:flex}
  .header-cta{display:none}
  .layout-2col{grid-template-columns:1fr;gap:32px}
  .col-side{position:static}
  .points-grid{grid-template-columns:repeat(2,1fr)}
  .point-item:nth-child(3){border-left:0;border-top:1px solid var(--c-border)}
  .point-item:nth-child(4){border-top:1px solid var(--c-border)}
  .steps-grid{grid-template-columns:1fr;gap:22px}
  .steps-wrap{padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section-title{font-size:24px}
  .cat-hero{padding-top:28px}
  .cat-lead{font-size:15px}
  .scene-item{grid-template-columns:1fr;gap:16px}
  .scene-thumb{max-width:100%}
  .news-grid{grid-template-columns:1fr}
  .cta-strip{padding:28px 24px;border-radius:20px}
  .cta-strip h2{font-size:21px}
  .faq-list{padding:4px 18px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .brand-name{font-size:16px}
  .points-grid{grid-template-columns:1fr}
  .point-item{border-left:0;border-top:1px solid var(--c-border)}
  .point-item:first-child{border-top:0}
  .scene-title{font-size:17px}
  .btn{width:100%}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}

/* roulang page: category2 */
:root{
  --c-lime:#C8F751;
  --c-lime-2:#D6FF66;
  --c-ink:#12141A;
  --c-ink-2:#1C1F26;
  --c-coral:#FF5C39;
  --c-bg:#F6F5F1;
  --c-white:#FFFFFF;
  --c-mint:#EDF6DC;
  --c-text:#2A2D34;
  --c-sub:#4B5058;
  --c-muted:#6B7280;
  --c-line:#E4E2D9;
  --c-line-dark:#2A2E36;
  --r-card:16px;
  --r-img:12px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(18,20,26,.04),0 12px 32px rgba(18,20,26,.06);
  --sh-2:0 2px 6px rgba(18,20,26,.06),0 18px 44px rgba(18,20,26,.10);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
}
*,*::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:var(--font-sans);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font:inherit}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:800;letter-spacing:-.02em;line-height:1.16}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:var(--c-lime);color:var(--c-ink)}
:focus-visible{outline:2px solid var(--c-lime);outline-offset:2px}

.container{width:100%;max-width:1240px !important;margin-left:auto;margin-right:auto;padding-left:32px;padding-right:32px}
.section{padding:88px 0}
.section-tight{padding:56px 0}
.section-line{border-top:1px solid var(--c-line)}

.section-head{max-width:680px}
.section-head.center{margin:0 auto;text-align:center}
.section-head h2{font-size:30px}
.section-head p{margin-top:14px;font-size:16px;color:var(--c-sub);line-height:1.8;max-width:640px}
.section-head.center p{margin-left:auto;margin-right:auto}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;color:#5C6B33;background:var(--c-mint);border-radius:999px;padding:6px 14px;margin-bottom:18px}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--c-lime);display:inline-block}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 28px;border-radius:999px;font-size:15px;font-weight:700;letter-spacing:.01em;white-space:nowrap;transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease}
.btn-primary{background:var(--c-lime);color:var(--c-ink);box-shadow:0 6px 18px rgba(200,247,81,.35)}
.btn-primary:hover{background:var(--c-lime-2);transform:translateY(-2px);box-shadow:0 12px 26px rgba(200,247,81,.45)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(200,247,81,.30)}
.btn-ghost{border:1.5px solid var(--c-ink);color:var(--c-ink);background:transparent}
.btn-ghost:hover{background:var(--c-ink);color:var(--c-bg);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{border:1.5px solid rgba(246,245,241,.55);color:#F6F5F1;background:transparent}
.btn-light:hover{background:#F6F5F1;color:var(--c-ink);transform:translateY(-2px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn:disabled,.btn.is-disabled{opacity:.4;pointer-events:none}

.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--c-ink);padding-bottom:2px;background-image:linear-gradient(var(--c-lime),var(--c-lime));background-repeat:no-repeat;background-size:0 2px;background-position:0 100%;transition:background-size .25s ease}
.link-arrow::after{content:"→";transition:transform .2s ease}
.link-arrow:hover{background-size:100% 2px}
.link-arrow:hover::after{transform:translateX(3px)}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(246,245,241,.96);border-bottom:1px solid transparent;transition:background-color .25s ease,box-shadow .25s ease,border-color .25s ease}
.site-header.is-stuck{background:rgba(246,245,241,.88);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom-color:var(--c-line);box-shadow:0 6px 20px rgba(18,20,26,.06)}
.topbar{display:flex;align-items:center;gap:26px;height:72px;transition:height .25s ease}
.site-header.is-stuck .topbar{height:56px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-height:44px}
.brand-mark{width:28px;height:28px;border-radius:9px;background:var(--c-ink);position:relative;flex:0 0 auto}
.brand-mark::after{content:"";position:absolute;inset:8px;border-radius:4px;background:var(--c-lime)}
.brand-name{font-size:17px;font-weight:800;color:var(--c-ink);letter-spacing:-.02em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:24px}
.nav-link{position:relative;font-size:14px;font-weight:600;color:#3C404A;padding:8px 0;transition:color .18s ease;min-height:44px;display:inline-flex;align-items:center}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:4px;height:2px;background:var(--c-lime);transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
.nav-link:hover{color:var(--c-ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--c-ink)}
.nav-link.active::after{transform:scaleX(1)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.search-box{display:flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-input);height:44px;padding:0 8px 0 14px;transition:border-color .18s ease,box-shadow .18s ease}
.search-box:focus-within{border-color:var(--c-lime);box-shadow:0 0 0 3px rgba(200,247,81,.35)}
.search-box input{border:0;outline:0;background:transparent;width:168px;font-size:14px;color:var(--c-text)}
.search-box input::placeholder{color:#9AA0A6}
.search-box button{width:32px;height:32px;border-radius:8px;display:grid;place-items:center;background:var(--c-mint);color:var(--c-ink);transition:background-color .18s ease}
.search-box button:hover{background:var(--c-lime)}
.menu-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:4px}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

.trend-bar{background:#F1F0EA;border-top:1px solid var(--c-line);overflow:hidden;max-height:44px;transition:max-height .28s ease,opacity .2s ease}
.site-header.is-stuck .trend-bar{max-height:0;opacity:0}
.trend-inner{display:flex;align-items:center;gap:14px;height:44px}
.trend-tag{flex:0 0 auto;background:var(--c-coral);color:#fff;font-size:12px;font-weight:700;border-radius:6px;padding:3px 9px;line-height:1.4}
.trend-scroll{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none}
.trend-scroll::-webkit-scrollbar{display:none}
.trend-chip{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;background:#fff;border:1px solid var(--c-line);font-size:13px;color:#4B5058;white-space:nowrap;transition:color .18s ease,border-color .18s ease}
.trend-chip:hover{color:var(--c-ink);border-color:#C9C6BA;text-decoration:underline;text-decoration-color:var(--c-lime);text-underline-offset:4px;text-decoration-thickness:2px}

.drawer-mask{position:fixed;inset:0;background:rgba(18,20,26,.45);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:80}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);background:#fff;z-index:90;transform:translateX(102%);transition:transform .28s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column;padding:20px;overflow-y:auto;box-shadow:-18px 0 48px rgba(18,20,26,.16)}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--c-line)}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);display:grid;place-items:center;color:var(--c-ink)}
.drawer-search{display:flex;align-items:center;gap:8px;margin-top:18px;border:1px solid var(--c-line);border-radius:var(--r-input);height:44px;padding:0 12px}
.drawer-search input{border:0;outline:0;flex:1;font-size:15px;background:transparent}
.drawer-nav{display:flex;flex-direction:column;margin-top:14px}
.drawer-nav a{display:flex;align-items:center;height:48px;font-size:15px;font-weight:600;color:var(--c-text);border-bottom:1px solid var(--c-line);transition:color .18s ease}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--c-ink)}
.drawer-nav a.active{position:relative;padding-left:14px}
.drawer-nav a.active::before{content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:2px;background:var(--c-lime)}
.drawer-title{margin-top:24px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-muted)}
.drawer-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.drawer-chips a{display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:999px;background:var(--c-bg);border:1px solid var(--c-line);font-size:13px;color:#4B5058}
.drawer-cta{margin-top:auto;padding-top:24px}
.drawer-cta .btn{width:100%}

/* ---------- 分类头部（居中窄栏） ---------- */
.page-crumb{display:flex;justify-content:center;align-items:center;gap:8px;padding-top:28px;font-size:13px;color:var(--c-muted);letter-spacing:.02em}
.page-crumb a{color:var(--c-muted)}
.page-crumb a:hover{color:var(--c-ink)}
.page-crumb .sep{color:#C3C0B6}
.page-crumb .current{color:#9AA0A6}
.cat-hero{padding:26px 0 0}
.cat-hero-narrow{max-width:820px;margin:0 auto;text-align:center;display:flex;flex-direction:column;align-items:center;gap:20px}
.cat-hero h1{font-size:44px;line-height:1.16}
.cat-hero-lead{font-size:17px;line-height:1.9;color:var(--c-sub);max-width:660px}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.cat-hero-meta{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 24px;font-size:13px;color:var(--c-muted);letter-spacing:.02em}
.cat-hero-meta span{display:inline-flex;align-items:center;gap:6px}
.cat-hero-meta i{color:#9AA0A6;font-size:12px}
.cat-hero-figure{position:relative;margin-top:48px;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);aspect-ratio:16/9;background:#E8E6DE}
.cat-hero-figure img{width:100%;height:100%;object-fit:cover}
.cat-hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,20,26,0) 40%,rgba(18,20,26,.28) 100%)}
.hero-float{position:absolute;left:24px;bottom:24px;z-index:2;display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.94);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:14px;padding:12px 18px;box-shadow:var(--sh-1)}
.hero-float .dot{width:10px;height:10px;border-radius:50%;background:var(--c-lime);box-shadow:0 0 0 4px rgba(200,247,81,.30);flex:0 0 auto}
.hero-float b{font-size:14px;color:var(--c-ink);font-weight:800;display:block;line-height:1.4}
.hero-float small{font-size:12px;color:var(--c-muted)}

/* ---------- 编号卡片 ---------- */
.num-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:44px}
.num-card{display:flex;gap:22px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:30px;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease}
.num-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.num-index{flex:0 0 auto;font-size:32px;font-weight:800;line-height:1;color:var(--c-ink);font-variant-numeric:tabular-nums;letter-spacing:-.04em;padding-top:2px;position:relative}
.num-index::after{content:"";display:block;width:26px;height:3px;border-radius:2px;background:var(--c-lime);margin-top:12px}
.num-body h3{font-size:18px}
.num-body p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--c-sub)}
.num-body .link-arrow{margin-top:16px;color:var(--c-ink)}

/* ---------- 对照区 ---------- */
.compare-section{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);padding:88px 0}
.compare-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:44px;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;background:#fff}
.compare-col{padding:30px 28px;border-right:1px solid var(--c-line)}
.compare-col:last-child{border-right:0}
.compare-tag{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:6px;background:var(--c-mint);color:#5C6B33;font-size:12px;font-weight:700;letter-spacing:.04em}
.compare-head{font-size:14px;font-weight:800;color:var(--c-ink);letter-spacing:.04em;margin-top:16px;padding-bottom:14px;border-bottom:1px solid var(--c-line)}
.compare-row{padding:12px 0;border-bottom:1px dashed #EDEBE3}
.compare-row:last-child{border-bottom:0}
.compare-row b{display:block;font-size:12px;font-weight:700;color:var(--c-muted);letter-spacing:.06em;margin-bottom:4px}
.compare-row span{font-size:15px;color:var(--c-sub);line-height:1.7}

/* ---------- 场景 chip + 资讯 ---------- */
.chip-scroll{display:flex;gap:10px;overflow-x:auto;margin-top:34px;padding-bottom:8px;scrollbar-width:thin;scroll-snap-type:x proximity}
.chip-scroll::-webkit-scrollbar{height:6px}
.chip-scroll::-webkit-scrollbar-thumb{background:#DAD7CC;border-radius:999px}
.chip{flex:0 0 auto;display:inline-flex;align-items:center;height:44px;padding:0 20px;border-radius:999px;background:#fff;border:1px solid var(--c-line);font-size:14px;font-weight:600;color:#3C404A;scroll-snap-align:start;transition:transform .18s ease,border-color .18s ease,color .18s ease,background-color .18s ease}
.chip:hover{transform:translateY(-1px);border-color:#C9C6BA;color:var(--c-ink)}
.chip.active{background:var(--c-ink);border-color:var(--c-ink);color:#F6F5F1}

.news-block{margin-top:36px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:4px 30px;box-shadow:var(--sh-1)}
.news-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 0;border-bottom:1px solid var(--c-line);flex-wrap:wrap}
.news-head h3{font-size:19px}
.news-item{display:flex;gap:22px;padding:24px 0;border-bottom:1px solid var(--c-line);transition:transform .2s ease}
.news-item:last-child{border-bottom:0}
.news-item:hover{transform:translateY(-2px)}
.news-thumb{flex:0 0 auto;width:140px;aspect-ratio:4/3;border-radius:var(--r-img);overflow:hidden;background:#EDEBE3}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.news-item:hover .news-thumb img{transform:scale(1.04)}
.news-content{min-width:0;display:flex;flex-direction:column;gap:8px}
.news-title{font-size:17px;font-weight:700;color:var(--c-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;line-height:1.5}
.news-desc{font-size:15px;color:var(--c-muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--c-muted);letter-spacing:.02em;margin-top:auto}
.news-cat{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;background:var(--c-mint);color:#5C6B33;font-weight:700;font-size:12px}
.news-more{color:var(--c-coral);font-weight:700}
.empty-state{min-height:160px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center;padding:36px 16px;color:var(--c-muted)}
.empty-state i{font-size:26px;color:#C3C0B6}
.empty-state p{font-size:15px}
.empty-state a{font-size:14px;font-weight:700;color:var(--c-ink);border-bottom:2px solid var(--c-lime);padding-bottom:2px}

/* ---------- CTA 通栏 ---------- */
.cta-band{background:var(--c-ink);color:#F6F5F1;padding:76px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-copy{max-width:620px}
.cta-copy h2{color:#FFFFFF;font-size:32px}
.cta-copy p{margin-top:14px;font-size:16px;line-height:1.8;color:#B9BDC4}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-note{margin-top:18px;font-size:13px;color:#8D939B;letter-spacing:.02em}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:40px auto 0;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item:last-child{border-bottom:0}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;padding:19px 28px;min-height:62px;font-size:15px;font-weight:600;color:var(--c-ink);transition:background-color .18s ease}
.faq-q:hover{background:#FAFAF7}
.faq-icon{position:relative;width:22px;height:22px;flex:0 0 auto;transition:transform .24s ease}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--c-ink);border-radius:2px;transition:transform .24s ease}
.faq-icon::before{width:14px;height:2px;transform:translate(-50%,-50%)}
.faq-icon::after{width:2px;height:14px;transform:translate(-50%,-50%)}
.faq-item.open .faq-icon{transform:rotate(180deg)}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.open .faq-a{max-height:420px}
.faq-a-inner{padding:0 28px 24px;font-size:15px;line-height:1.85;color:var(--c-sub)}
.faq-a-inner a{color:var(--c-ink);border-bottom:2px solid var(--c-lime)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#E7E6E0;padding:68px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;letter-spacing:-.02em}
.site-footer .brand-mark{background:var(--c-lime)}
.site-footer .brand-mark::after{background:var(--c-ink)}
.footer-desc{margin-top:18px;max-width:340px;font-size:14px;line-height:1.9;color:#9BA0A8}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:0}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:#B9BDC4;line-height:1.9;transition:color .18s ease}
.footer-links a:hover{color:var(--c-lime)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:52px;padding:24px 0;border-top:1px solid var(--c-line-dark);font-size:13px;color:#8D939B}
.footer-bottom a{color:#B9BDC4;transition:color .18s ease}
.footer-bottom a:hover{color:var(--c-lime)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .main-nav{display:none}
  .search-box{display:none}
  .menu-toggle{display:flex}
  .container{padding-left:20px !important;padding-right:20px !important}
  .section,.compare-section{padding:64px 0}
  .cat-hero h1{font-size:36px}
  .num-grid{grid-template-columns:1fr;gap:20px}
  .compare-grid{grid-template-columns:1fr}
  .compare-col{border-right:0;border-bottom:1px solid var(--c-line)}
  .compare-col:last-child{border-bottom:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-copy h2{font-size:28px}
}
@media (max-width:767px){
  .section,.compare-section{padding:54px 0}
  .cat-hero{padding-top:18px}
  .cat-hero h1{font-size:29px;line-height:1.25}
  .cat-hero-lead{font-size:16px}
  .cat-hero-actions{width:100%;flex-direction:column}
  .cat-hero-actions .btn{width:100%}
  .cat-hero-figure{margin-top:32px;aspect-ratio:4/3}
  .hero-float{left:14px;right:14px;bottom:14px;padding:10px 14px}
  .section-head h2{font-size:23px}
  .num-card{padding:24px;gap:16px}
  .num-index{font-size:26px}
  .news-block{padding:4px 20px}
  .news-item{flex-direction:column;gap:14px}
  .news-thumb{width:100%;aspect-ratio:16/9}
  .news-head h3{font-size:17px}
  .cta-copy h2{font-size:24px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .faq-q{padding:17px 20px;font-size:15px}
  .faq-a-inner{padding:0 20px 20px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (max-width:520px){
  .brand-name{font-size:16px;white-space:normal;line-height:1.2;max-width:190px}
  .topbar{gap:14px}
  .cat-hero-meta{flex-direction:column;align-items:center;gap:8px}
  .chip{height:42px;padding:0 16px;font-size:13px}
}