/* roulang page: index */
:root{
  --primary:#F0562B;
  --primary-hover:#D8451E;
  --primary-active:#BF3B18;
  --ink:#1C1B2E;
  --accent:#17D3A8;
  --amber:#FFC24B;
  --base:#F6F5F2;
  --card:#FFFFFF;
  --sect:#EFEDE8;
  --line:#E7E4DE;
  --t1:#23222B;
  --t2:#6B6A75;
  --t3:#F7F6F3;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --sh-card:0 1px 2px rgba(28,27,46,.06), 0 8px 24px rgba(28,27,46,.06);
  --sh-hover:0 12px 32px rgba(28,27,46,.10);
  --sec-y:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--base);
  color:var(--t1);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 顶部细条 ============ */
.topbar{
  height:34px;
  background:var(--ink);
  color:rgba(247,246,243,.82);
  font-size:13px;
  display:flex;
  align-items:center;
  overflow:hidden;
}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-left{display:flex;align-items:center;gap:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px rgba(23,211,168,.18);flex:none;}
.topbar-right{white-space:nowrap;color:rgba(247,246,243,.6);}

/* ============ 头部 ============ */
.site-header{position:sticky;top:0;z-index:60;}
.brandbar{background:var(--ink);transition:all .22s ease;border-bottom:1px solid rgba(247,246,243,.08);}
.brandbar-inner{display:flex;align-items:center;gap:20px;height:64px;transition:height .22s ease;}
.site-header.shrink .brandbar-inner{height:56px;}
.logo{display:flex;align-items:center;gap:10px;flex:none;}
.logo-mark{
  width:36px;height:36px;border-radius:10px;flex:none;
  background:linear-gradient(135deg,var(--primary),#FF8A5B);
  color:#fff;font-weight:800;font-size:19px;display:flex;align-items:center;justify-content:center;
  letter-spacing:0;
}
.logo-text{color:var(--t3);font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.search{display:flex;align-items:center;flex:1;max-width:360px;height:38px;background:rgba(247,246,243,.10);border:1px solid rgba(247,246,243,.16);border-radius:var(--r-btn);overflow:hidden;transition:border-color .18s,background .18s;}
.search:focus-within{border-color:var(--primary);background:rgba(247,246,243,.16);}
.search input{flex:1;height:100%;background:transparent;border:0;outline:none;padding:0 14px;color:var(--t3);font-size:14px;}
.search input::placeholder{color:rgba(247,246,243,.5);}
.search button{height:100%;padding:0 16px;border:0;background:var(--primary);color:#fff;font-size:14px;font-weight:600;cursor:pointer;transition:background .18s;}
.search button:hover{background:var(--primary-hover);}
.brand-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:none;}
.burger{display:none;width:40px;height:40px;border-radius:10px;border:1px solid rgba(247,246,243,.24);background:transparent;color:var(--t3);cursor:pointer;align-items:center;justify-content:center;}
.burger:hover{background:rgba(247,246,243,.12);}
.burger span{display:block;width:18px;height:2px;background:currentColor;border-radius:2px;position:relative;}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;border-radius:2px;}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}

/* 频道行 */
.channelbar{background:#FFFFFF;border-bottom:1px solid var(--line);}
.channelbar-inner{display:flex;align-items:center;gap:28px;overflow-x:auto;scrollbar-width:none;}
.channelbar-inner::-webkit-scrollbar{display:none;}
.chan{position:relative;flex:none;font-size:15px;font-weight:500;color:var(--t2);padding:15px 0 13px;transition:color .18s;}
.chan:hover{color:var(--primary);}
.chan.active{color:var(--primary);font-weight:700;}
.chan.active::after{content:"";position:absolute;left:0;right:0;bottom:8px;height:3px;border-radius:3px;background:var(--primary);}

/* 移动抽屉 */
.drawer{display:none;background:var(--ink);border-top:1px solid rgba(247,246,243,.1);padding:8px 0 16px;}
.drawer.open{display:block;}
.drawer .wrap{display:flex;flex-direction:column;}
.drawer a{color:rgba(247,246,243,.86);padding:12px 0;font-size:15px;border-bottom:1px solid rgba(247,246,243,.08);}
.drawer a:last-child{border-bottom:0;}
.drawer a.active{color:var(--primary);font-weight:700;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;font-weight:600;
  cursor:pointer;transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;text-align:center;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-md{height:44px;padding:0 22px;font-size:15px;}
.btn-lg{height:52px;padding:0 28px;font-size:16px;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(240,86,43,.28);}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);}
.btn-primary:active{background:var(--primary-active);transform:none;}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent;}
.btn-outline:hover{background:rgba(28,27,46,.08);}
.btn-outline-light{border-color:rgba(247,246,243,.52);color:#fff;background:rgba(247,246,243,.06);}
.btn-outline-light:hover{background:rgba(247,246,243,.18);}
.btn-light{background:#fff;color:var(--ink);}
.btn-light:hover{background:#F1EFEA;}
.btn-ghost{color:var(--primary);padding:0;height:auto;background:transparent;border:0;font-weight:600;}
.btn-ghost:hover{text-decoration:underline;}
.btn-block{width:100%;}
.btn:disabled{opacity:.4;cursor:not-allowed;}

/* ============ 徽章 / 标签 ============ */
.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:500;line-height:1.6;white-space:nowrap;}
.badge-primary{background:rgba(240,86,43,.10);color:var(--primary-active);}
.badge-accent{background:rgba(23,211,168,.16);color:#0F8A70;}
.badge-gray{background:var(--sect);color:var(--t2);}
.badge-amber{background:rgba(255,194,75,.22);color:#8A5B00;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag{padding:6px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--t2);}
.tag.on{background:var(--ink);border-color:var(--ink);color:#fff;}

/* ============ 通用板块 ============ */
.sec{padding:var(--sec-y) 0;}
.sec-tight{padding:64px 0;}
.sec-alt{background:var(--sect);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.sec-head h2{font-size:clamp(1.4rem,2.4vw,1.75rem);}
.sec-head .sub{color:var(--t2);font-size:15px;margin-top:8px;}
.sec-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary);margin-bottom:10px;letter-spacing:.02em;}
.sec-eyebrow::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--primary);}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;min-height:560px;display:flex;align-items:center;background:var(--ink);}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.02);}
.hero-mask{position:absolute;inset:0;background:linear-gradient(100deg,rgba(28,27,46,.92) 0%,rgba(28,27,46,.72) 46%,rgba(28,27,46,.55) 100%);}
.hero-grid{position:absolute;right:-60px;top:-40px;width:420px;height:420px;opacity:.08;
  background-image:radial-gradient(#FFFFFF 1.6px,transparent 1.6px);background-size:26px 26px;pointer-events:none;}
.hero-inner{position:relative;z-index:2;padding:76px 24px;max-width:1200px;margin:0 auto;width:100%;}
.hero-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(240,86,43,.20);border:1px solid rgba(240,86,43,.45);color:#FFD8C8;font-size:13px;font-weight:600;}
.hero h1{color:#fff;margin-top:20px;font-size:clamp(1.9rem,3.4vw,2.85rem);max-width:820px;letter-spacing:.01em;}
.hero h1 em{font-style:normal;color:var(--amber);}
.hero-sub{color:rgba(247,246,243,.86);font-size:17px;margin-top:18px;max-width:620px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-note{color:rgba(247,246,243,.58);font-size:13px;margin-top:26px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:38px;}
.hero-stat b{display:block;font-size:24px;color:#fff;font-weight:800;}
.hero-stat span{font-size:13px;color:rgba(247,246,243,.62);}

/* ============ 优惠阶梯 ============ */
.ladder{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;align-items:end;}
.ladder-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-card);
  padding:26px 22px;display:flex;flex-direction:column;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.ladder-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(240,86,43,.35);}
.ladder-1{min-height:340px;}
.ladder-2{min-height:386px;border-top:4px solid rgba(240,86,43,.30);}
.ladder-3{min-height:432px;border-top:4px solid rgba(240,86,43,.62);}
.ladder-4{min-height:478px;border-top:4px solid var(--primary);background:linear-gradient(180deg,#FFF6F2 0%,#FFFFFF 42%);}
.ladder-step{font-size:12px;font-weight:700;color:var(--primary);letter-spacing:.08em;}
.ladder-card h3{font-size:1.2rem;margin-top:8px;}
.ladder-cond{font-size:13px;color:var(--t2);margin-top:8px;min-height:40px;}
.ladder-list{margin-top:18px;display:flex;flex-direction:column;gap:12px;flex:1;}
.ladder-list li{display:flex;gap:10px;font-size:14px;color:var(--t1);line-height:1.7;}
.ladder-list li i{flex:none;width:18px;height:18px;border-radius:50%;background:rgba(23,211,168,.16);color:#0F8A70;font-size:12px;font-style:normal;display:flex;align-items:center;justify-content:center;margin-top:4px;font-weight:700;}
.ladder-card .btn{margin-top:22px;}

/* ============ 套餐对比 ============ */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start;}
.plan{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-card);padding:28px 24px;transition:transform .2s ease,box-shadow .2s ease;}
.plan:hover{box-shadow:var(--sh-hover);}
.plan.hot{border:2px solid var(--primary);transform:translateY(-4px);}
.plan-flag{position:absolute;top:-13px;left:24px;background:var(--primary);color:#fff;font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;}
.plan h3{font-size:1.2rem;}
.plan-price{margin-top:14px;display:flex;align-items:baseline;gap:6px;}
.plan-price b{font-size:34px;font-weight:800;color:var(--primary);line-height:1;}
.plan-price span{font-size:13px;color:var(--t2);}
.plan-note{font-size:13px;color:var(--t2);margin-top:10px;}
.plan-rows{margin-top:22px;border-top:1px dashed var(--line);}
.plan-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px;}
.plan-row:nth-child(odd){background:rgba(239,237,232,.36);}
.plan-row .k{color:var(--t2);}
.plan-row .v{font-weight:600;}
.mark-yes{color:#0F8A70;font-weight:800;}
.mark-no{color:#B9B7BE;font-weight:800;}
.plan .btn{margin-top:22px;}

/* ============ 限时入口 ============ */
.limited{background:var(--ink);border-radius:18px;padding:44px;display:grid;grid-template-columns:1.4fr 1fr;gap:36px;align-items:center;position:relative;overflow:hidden;}
.limited::after{content:"";position:absolute;right:-70px;bottom:-70px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(240,86,43,.28),transparent 68%);}
.limited-body{position:relative;z-index:2;}
.limited h3{color:#fff;font-size:1.6rem;}
.limited p{color:rgba(247,246,243,.72);font-size:15px;margin-top:12px;max-width:560px;}
.countdown{display:flex;gap:12px;margin-top:24px;}
.cd-cell{background:rgba(247,246,243,.08);border:1px solid rgba(247,246,243,.16);border-radius:12px;min-width:76px;padding:10px 8px;text-align:center;}
.cd-cell b{display:block;font-size:26px;font-weight:800;color:var(--amber);}
.cd-cell span{font-size:12px;color:rgba(247,246,243,.6);}
.limited-side{position:relative;z-index:2;background:rgba(247,246,243,.07);border:1px solid rgba(247,246,243,.14);border-radius:14px;padding:24px;}
.limited-side .row{display:flex;align-items:center;justify-content:space-between;color:rgba(247,246,243,.8);font-size:14px;}
.limited-side .row b{color:#fff;font-weight:700;}
.progress{height:8px;border-radius:999px;background:rgba(247,246,243,.16);margin-top:12px;overflow:hidden;}
.progress i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent),#5BEFCD);}
.limited-side .btn{margin-top:22px;}

/* ============ 表单区 ============ */
.consult{display:grid;grid-template-columns:1.25fr 1fr;gap:26px;align-items:start;}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-card);padding:32px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:14px;font-weight:600;}
.field input,.field select,.field textarea{
  height:44px;border:1px solid var(--line);border-radius:var(--r-btn);padding:0 14px;background:#FBFBF9;
  font-size:14px;transition:border-color .18s,background .18s,box-shadow .18s;outline:none;
}
.field textarea{height:104px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(240,86,43,.12);}
.field .err{font-size:12px;color:var(--primary-active);display:none;}
.field.invalid input,.field.invalid select{border-color:var(--primary);}
.field.invalid .err{display:block;}
.form-tip{font-size:13px;color:var(--t2);margin-top:14px;}
.form-ok{display:none;margin-top:16px;padding:12px 16px;border-radius:10px;background:rgba(23,211,168,.14);color:#0F8A70;font-size:14px;font-weight:600;}
.form-ok.show{display:block;}
.side-stack{display:flex;flex-direction:column;gap:20px;}
.info-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-card);padding:26px;}
.info-card h3{font-size:1.1rem;}
.info-list{margin-top:16px;display:flex;flex-direction:column;gap:14px;}
.info-list li{display:flex;gap:12px;font-size:14px;}
.info-list li b{color:var(--t2);font-weight:600;flex:none;min-width:74px;}
.mini-faq{display:flex;flex-direction:column;gap:12px;margin-top:16px;}
.mini-faq div{background:var(--sect);border-radius:10px;padding:12px 14px;font-size:14px;color:var(--t1);}

/* ============ 资讯卡 ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-card);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(240,86,43,.28);}
.media-16x9{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;background:var(--sect);}
.media-16x9 img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .media-16x9 img{transform:scale(1.05);}
.news-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-title{font-size:1.06rem;font-weight:700;line-height:1.45;}
.news-desc{font-size:14px;color:var(--t2);line-height:1.8;}
.news-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--t2);padding-top:6px;border-top:1px solid var(--line);}
.clamp2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.clamp3{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.empty-state{
  grid-column:1 / -1;min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);color:var(--t2);font-size:15px;text-align:center;padding:24px;
}
.empty-state svg{width:44px;height:44px;color:#C9C6BE;}

/* ============ FAQ ============ */
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item[open]{border-color:rgba(240,86,43,.35);box-shadow:var(--sh-card);}
.faq-item summary{
  cursor:pointer;list-style:none;padding:20px 22px;font-size:16px;font-weight:700;
  display:flex;align-items:center;justify-content:space-between;gap:16px;transition:color .18s;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--primary);}
.faq-item summary::after{content:"+";font-size:20px;font-weight:400;color:var(--primary);transition:transform .2s ease;flex:none;}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-body{padding:0 22px 22px;color:var(--t2);font-size:15px;line-height:1.9;}

/* ============ CTA 条 ============ */
.cta-band{background:linear-gradient(120deg,var(--ink) 0%,#2C2A45 100%);border-radius:18px;padding:40px 44px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-band h3{color:#fff;font-size:1.4rem;}
.cta-band p{color:rgba(247,246,243,.72);font-size:15px;margin-top:8px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:rgba(247,246,243,.72);margin-top:0;}
.footer-top{padding:64px 0 40px;display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand .logo-text{font-size:16px;}
.footer-brand p{font-size:14px;margin-top:16px;line-height:1.9;color:rgba(247,246,243,.62);}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a,.footer-col span{font-size:14px;color:rgba(247,246,243,.66);transition:color .18s;}
.footer-col a:hover{color:var(--primary);}
.footer-bottom{border-top:1px solid rgba(247,246,243,.12);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(247,246,243,.5);}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--sec-y:72px;}
  .ladder{grid-template-columns:repeat(2,1fr);align-items:stretch;}
  .ladder-1,.ladder-2,.ladder-3,.ladder-4{min-height:auto;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .limited{grid-template-columns:1fr;padding:36px;}
  .consult{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:900px){
  .search{max-width:none;}
  .brand-actions .btn-ghost-light{display:none;}
}
@media (max-width:768px){
  :root{--sec-y:56px;}
  .wrap{padding:0 16px;}
  .topbar-right{display:none;}
  .brandbar-inner{gap:12px;}
  .logo-text{font-size:15px;}
  .search{display:none;}
  .brand-actions .btn-light,.brand-actions .btn-outline-light{display:none;}
  .burger{display:flex;}
  .hero{min-height:420px;}
  .hero-inner{padding:56px 16px;}
  .hero-sub{font-size:15px;}
  .hero-stats{gap:24px;}
  .hero-stat b{font-size:20px;}
  .plans{grid-template-columns:1fr;}
  .plan.hot{transform:none;}
  .news-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .cta-band{padding:28px 22px;flex-direction:column;align-items:flex-start;}
  .countdown{gap:8px;}
  .cd-cell{min-width:66px;}
  .cd-cell b{font-size:22px;}
  .footer-top{grid-template-columns:1fr;gap:28px;padding:48px 0 32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .ladder{grid-template-columns:1fr;}
  .hero-cta .btn{width:100%;}
  .btn-lg{height:48px;font-size:15px;}
  .limited{padding:26px 20px;}
}

/* roulang page: article */
:root{
  --primary:#F0562B;
  --primary-hover:#D8451E;
  --primary-active:#BF3B18;
  --secondary:#1C1B2E;
  --accent:#17D3A8;
  --amber:#FFC24B;
  --base:#F6F5F2;
  --card:#FFFFFF;
  --section:#EFEDE8;
  --line:#E7E4DE;
  --text:#23222B;
  --text-2:#6B6A75;
  --inv:#F7F6F3;
  --r-card:14px;
  --r-img:12px;
  --r-btn:10px;
  --r-input:10px;
  --shadow:0 1px 2px rgba(28,27,46,.06),0 8px 24px rgba(28,27,46,.06);
  --shadow-hover:0 12px 32px rgba(28,27,46,.10);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--base);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* 顶部细条 */
.topbar{background:var(--secondary);color:rgba(247,246,243,.8);font-size:13px}
.topbar .wrap{height:34px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar b{color:var(--amber);font-weight:600}
.topbar .dot{display:inline-block;width:7px;height:7px;border-radius:999px;background:var(--accent);margin-right:7px;vertical-align:middle}

/* 品牌行 */
.brandbar{background:var(--secondary);color:var(--inv);position:sticky;top:0;z-index:60;transition:box-shadow .2s ease}
.brandbar-inner{height:64px;display:flex;align-items:center;gap:24px;transition:height .2s ease}
body.scrolled .brandbar-inner{height:56px}
body.scrolled .brandbar{box-shadow:0 8px 24px rgba(28,27,46,.22)}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--inv);flex-shrink:0}
.logo-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--primary),#FF8A5C);display:grid;place-items:center;font-weight:800;font-size:16px;color:#fff;letter-spacing:0}
.logo-text{white-space:nowrap;letter-spacing:.01em}
.brandbar .search{flex:1;max-width:360px;position:relative;margin-left:auto}
.brandbar .search input{width:100%;height:40px;border-radius:var(--r-input);background:#2A2942;border:1px solid rgba(247,246,243,.14);color:var(--inv);padding:0 42px 0 14px;font-size:14px;transition:border-color .18s ease,background .18s ease}
.brandbar .search input::placeholder{color:rgba(247,246,243,.45)}
.brandbar .search input:focus{border-color:var(--primary);background:#32314F;outline:none}
.brandbar .search button{position:absolute;right:6px;top:6px;width:28px;height:28px;border-radius:8px;display:grid;place-items:center;color:rgba(247,246,243,.7)}
.brandbar .search button:hover{background:rgba(247,246,243,.12);color:#fff}
.brandbar-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;white-space:nowrap}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover)}
.btn-primary:active{background:var(--primary-active)}
.btn-ghost{border-color:rgba(28,27,46,.22);color:var(--text);background:transparent}
.btn-ghost:hover{background:rgba(28,27,46,.08)}
.btn-outline-light{border-color:rgba(247,246,243,.42);color:var(--inv)}
.btn-outline-light:hover{background:rgba(247,246,243,.12)}
.btn-white{background:var(--inv);color:var(--secondary)}
.btn-white:hover{background:#fff;transform:translateY(-2px)}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn-arrow::after{content:"→";font-weight:500;transition:transform .18s ease}
.btn-arrow:hover::after{transform:translateX(3px)}
.hamburger{display:none;width:40px;height:40px;border-radius:10px;color:var(--inv);place-items:center;border:1px solid rgba(247,246,243,.2)}
.hamburger:hover{background:rgba(247,246,243,.12)}

/* 抽屉 */
.drawer{display:none;background:#252440;border-top:1px solid rgba(247,246,243,.1)}
.drawer.open{display:block}
.drawer a{display:block;padding:14px 24px;color:rgba(247,246,243,.86);font-size:15px;border-bottom:1px solid rgba(247,246,243,.07)}
.drawer a:hover{background:rgba(247,246,243,.06);color:#fff}

/* 频道行 */
.channelbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:64px;z-index:55;transition:top .2s ease}
body.scrolled .channelbar{top:56px}
.channelbar-inner{display:flex;gap:26px;overflow-x:auto;scrollbar-width:none}
.channelbar-inner::-webkit-scrollbar{display:none}
.chan{position:relative;padding:14px 0;font-size:14.5px;font-weight:500;color:var(--text-2);white-space:nowrap;border-bottom:2px solid transparent;transition:color .18s ease,border-color .18s ease}
.chan:hover{color:var(--text)}
.chan.active{color:var(--primary);font-weight:600;border-bottom-color:var(--primary)}

/* 文章头 */
.art-head{position:relative;background:linear-gradient(120deg,rgba(28,27,46,.9) 0%,rgba(28,27,46,.72) 60%,rgba(28,27,46,.6) 100%),url("/assets/images/backpic/back-2.png") center/cover no-repeat;color:var(--inv);padding:44px 0 52px;overflow:hidden}
.art-head::after{content:"";position:absolute;right:-40px;top:-40px;width:280px;height:280px;background:radial-gradient(circle,rgba(240,86,43,.28),transparent 68%);pointer-events:none}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(247,246,243,.68);position:relative;z-index:2}
.crumbs a{color:rgba(247,246,243,.8)}
.crumbs a:hover{color:#fff;text-decoration:underline}
.crumbs span{opacity:.5}
.crumbs em{font-style:normal;color:rgba(247,246,243,.55);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.art-head h1{position:relative;z-index:2;font-size:clamp(1.75rem,3vw,2.25rem);line-height:1.32;font-weight:800;margin:18px 0 20px;max-width:900px;letter-spacing:.005em}
.art-meta{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13.5px;color:rgba(247,246,243,.72)}
.art-meta i{width:1px;height:13px;background:rgba(247,246,243,.28);font-style:normal}
.tag-cat{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--primary);color:#fff;font-size:12.5px;font-weight:600}
.share{display:flex;align-items:center;gap:8px;margin-left:auto}
.share button,.share a{height:32px;padding:0 14px;display:inline-flex;align-items:center;border-radius:999px;border:1px solid rgba(247,246,243,.3);font-size:13px;color:rgba(247,246,243,.9);transition:background .18s ease,color .18s ease}
.share button:hover,.share a:hover{background:rgba(247,246,243,.16);color:#fff}

/* 布局 */
.art-layout{display:grid;grid-template-columns:minmax(0,1fr) 308px;gap:44px;align-items:start;padding-top:40px;padding-bottom:72px}
.art-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow);padding:44px 48px}
.article-body{font-size:17.5px;line-height:1.95;color:#2C2B35;max-width:100%}
.article-body p{margin:0 0 1.2em}
.article-body h2{position:relative;font-size:1.5rem;font-weight:700;line-height:1.4;margin:2.1em 0 .9em;padding-left:14px;color:var(--text)}
.article-body h2::before{content:"";position:absolute;left:0;top:.3em;width:4px;height:1.02em;border-radius:3px;background:var(--primary)}
.article-body h3{font-size:1.2rem;font-weight:700;line-height:1.5;margin:1.7em 0 .7em}
.article-body h4{font-size:1.05rem;font-weight:600;margin:1.4em 0 .6em}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.5em}
.article-body li{margin:0 0 .55em}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(240,86,43,.35)}
.article-body a:hover{border-bottom-color:var(--primary);text-decoration:none}
.article-body img{border-radius:var(--r-img);margin:1.5em auto;height:auto}
.article-body blockquote{margin:1.5em 0;padding:16px 22px;border-left:4px solid var(--primary);background:#FBF6F0;border-radius:0 10px 10px 0;color:#4B4A56}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:1.5em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap}
.article-body th{background:var(--section);font-weight:600}
.article-body code{background:#F1EFEA;padding:2px 6px;border-radius:6px;font-size:.9em}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.art-empty{min-height:260px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;color:var(--text-2)}
.art-empty svg{width:52px;height:52px;color:#C7C3BA}
.art-empty p{margin:0;font-size:16px}

/* 标签行 */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:28px}
.tag-row .label{font-size:13.5px;color:var(--text-2);margin-right:2px}
.tag{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;background:var(--card);border:1px solid var(--line);font-size:13px;color:var(--text-2);transition:all .18s ease}
.tag:hover{color:var(--primary);border-color:rgba(240,86,43,.45);background:#FFF7F4}

/* 上下篇 */
.prev-next{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:28px}
.pn-card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:20px 22px;box-shadow:var(--shadow);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.pn-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(240,86,43,.35)}
.pn-card span{display:block;font-size:12.5px;color:var(--text-2);margin-bottom:8px}
.pn-card strong{display:block;font-size:15.5px;font-weight:600;line-height:1.6;color:var(--text)}
.pn-card:hover strong{color:var(--primary)}

/* 相关推荐 */
.related{margin-top:52px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}
.sec-head h2{font-size:1.45rem;font-weight:800;margin:0;line-height:1.3}
.sec-head p{margin:6px 0 0;font-size:14px;color:var(--text-2)}
.sec-head .more{font-size:14px;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.sec-head .more:hover{text-decoration:underline}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow);transition:transform .18s ease,box-shadow .18s ease}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.card-img{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;background:var(--section)}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-img img{transform:scale(1.04)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.card-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--text-2);margin-bottom:10px}
.badge{display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:500;line-height:1}
.badge-primary{background:rgba(240,86,43,.12);color:var(--primary)}
.badge-accent{background:rgba(23,211,168,.14);color:#0E9B7C}
.badge-muted{background:var(--section);color:var(--text-2)}
.card h3{margin:0 0 10px;font-size:16.5px;font-weight:600;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card:hover h3{color:var(--primary)}
.card p{margin:0 0 16px;font-size:14px;line-height:1.75;color:var(--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;justify-content:space-between;font-size:12.5px;color:var(--text-2);padding-top:14px;border-top:1px solid var(--line)}

/* FAQ */
.art-faq{margin-top:52px}
.art-faq details{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.art-faq details[open]{border-color:rgba(240,86,43,.35);box-shadow:var(--shadow)}
.art-faq summary{list-style:none;cursor:pointer;padding:18px 22px;font-size:15.5px;font-weight:600;display:flex;align-items:center;justify-content:space-between;gap:16px}
.art-faq summary::-webkit-details-marker{display:none}
.art-faq summary::after{content:"＋";color:var(--primary);font-size:18px;font-weight:500;transition:transform .2s ease;flex-shrink:0}
.art-faq details[open] summary::after{content:"－"}
.art-faq .faq-body{padding:0 22px 20px;font-size:14.5px;line-height:1.9;color:var(--text-2);transition:opacity .2s ease}
.art-faq .faq-body p{margin:0}

/* 返回入口 */
.back-list{display:flex;justify-content:center;margin-top:40px}
.back-list a{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--primary)}
.back-list a span{transition:transform .18s ease}
.back-list a:hover span{transform:translateX(4px)}

/* 侧栏 */
.art-side{position:sticky;top:132px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--shadow)}
.side-card h3{margin:0 0 16px;font-size:15px;font-weight:700;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:4px;height:15px;border-radius:3px;background:var(--primary)}
.toc-list{margin:0;padding:0;list-style:none;counter-reset:toc}
.toc-list li{counter-increment:toc;position:relative;padding:8px 0 8px 30px;font-size:14px;color:var(--text-2);line-height:1.6;border-bottom:1px dashed var(--line)}
.toc-list li:last-child{border-bottom:0}
.toc-list li::before{content:counter(toc,decimal-leading-zero);position:absolute;left:0;top:8px;font-size:12px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums}
.hot-list{margin:0;padding:0;list-style:none}
.hot-list li{border-bottom:1px solid var(--line)}
.hot-list li:last-child{border-bottom:0}
.hot-list a{display:flex;gap:10px;padding:12px 0;font-size:14px;line-height:1.6;color:var(--text);transition:color .18s ease}
.hot-list a:hover{color:var(--primary)}
.hot-list .rank{flex-shrink:0;width:20px;height:20px;border-radius:6px;background:var(--section);color:var(--text-2);font-size:12px;font-weight:700;display:grid;place-items:center;margin-top:2px;font-variant-numeric:tabular-nums}
.hot-list li:nth-child(1) .rank{background:var(--primary);color:#fff}
.hot-list li:nth-child(2) .rank{background:rgba(240,86,43,.35);color:#fff}
.hot-list li:nth-child(3) .rank{background:rgba(240,86,43,.2);color:var(--primary)}
.consult-card{background:var(--secondary);color:var(--inv);border-radius:var(--r-card);padding:24px;border:1px solid #2C2B45}
.consult-card h3{margin:0 0 10px;font-size:16px;font-weight:700;color:var(--inv)}
.consult-card p{margin:0 0 16px;font-size:13.5px;line-height:1.8;color:rgba(247,246,243,.72)}
.consult-card .line{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(247,246,243,.8);margin-bottom:8px}
.consult-card .dot{width:7px;height:7px;border-radius:999px;background:var(--accent)}
.consult-card .btn{width:100%;margin-top:12px}

/* CTA 条 */
.art-cta{background:var(--secondary);color:var(--inv);position:relative;overflow:hidden}
.art-cta::before{content:"";position:absolute;left:-60px;bottom:-70px;width:240px;height:240px;background:radial-gradient(circle,rgba(240,86,43,.3),transparent 66%)}
.art-cta .wrap{position:relative;padding:52px 24px;display:flex;flex-wrap:wrap;align-items:center;gap:24px;justify-content:space-between}
.art-cta h2{margin:0 0 8px;font-size:1.5rem;font-weight:800;line-height:1.35}
.art-cta p{margin:0;font-size:14.5px;color:rgba(247,246,243,.75);max-width:620px}
.art-cta .actions{display:flex;gap:12px;flex-wrap:wrap}

/* 页脚 */
.site-footer{background:var(--secondary);color:rgba(247,246,243,.78);padding:56px 0 0}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;border-bottom:1px solid rgba(247,246,243,.12)}
.footer-brand .logo{margin-bottom:14px;font-size:16px}
.footer-brand p{margin:0;font-size:13.5px;line-height:1.85;color:rgba(247,246,243,.68);max-width:340px}
.footer-col h4{margin:0 0 16px;font-size:14.5px;font-weight:700;color:var(--inv)}
.footer-col ul{margin:0;padding:0;list-style:none}
.footer-col li{margin-bottom:10px;font-size:13.5px}
.footer-col a{color:rgba(247,246,243,.72);transition:color .18s ease}
.footer-col a:hover{color:var(--primary)}
.footer-col span{color:rgba(247,246,243,.68)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;padding:20px 0 26px;font-size:12.5px;color:rgba(247,246,243,.55)}

/* 响应式 */
@media (max-width:1024px){
  .art-layout{grid-template-columns:minmax(0,1fr);gap:32px;padding-top:32px;padding-bottom:56px}
  .art-side{position:static;display:none}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .wrap{padding:0 16px}
  .brandbar .search{display:none}
  .brandbar .logo-text{font-size:15px}
  .hamburger{display:grid}
  .brandbar-inner{gap:14px}
  body.scrolled .brandbar-inner{height:56px}
  .channelbar{top:64px}
  .art-head{padding:32px 0 40px}
  .art-card{padding:26px 20px;border-radius:12px}
  .article-body{font-size:17px;line-height:1.9}
  .article-body h2{font-size:1.3rem}
  .prev-next{grid-template-columns:1fr}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .share{margin-left:0;width:100%;margin-top:6px}
  .art-cta .wrap{padding:40px 16px}
}
@media (max-width:520px){
  .topbar .wrap{font-size:12px}
  .topbar .hide-sm{display:none}
  .art-head h1{font-size:1.55rem}
  .art-meta{gap:8px;font-size:12.5px}
  .art-meta i{display:none}
  .footer-top{grid-template-columns:1fr}
  .btn{height:42px;padding:0 18px;font-size:14px}
  .art-cta .actions .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --primary:#F0562B;
  --primary-hover:#D8451E;
  --primary-active:#BF3B18;
  --secondary:#1C1B2E;
  --secondary-soft:#2C2A45;
  --accent:#17D3A8;
  --accent-deep:#0E9E7D;
  --amber:#FFC24B;
  --base:#F6F5F2;
  --card:#FFFFFF;
  --soft:#EFEDE8;
  --line:#E7E4DE;
  --text:#23222B;
  --text-sub:#6B6A75;
  --text-inv:#F7F6F3;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --radius-input:10px;
  --shadow-card:0 1px 2px rgba(28,27,46,.06),0 8px 24px rgba(28,27,46,.06);
  --shadow-hover:0 12px 32px rgba(28,27,46,.10);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;background:var(--base);color:var(--text);font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.85;font-weight:400}
img{display:block;max-width:100%;height:auto}
a{color:var(--primary);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease}
a:hover{text-decoration:underline}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 顶部细条 ============ */
.topbar{background:#141325;border-bottom:1px solid rgba(255,255,255,.08);height:36px;overflow:hidden;transition:height .22s ease,opacity .22s ease}
.topbar-inner{display:flex;align-items:center;gap:10px;height:36px;font-size:13px;color:rgba(247,246,243,.72)}
.dot-live{width:7px;height:7px;border-radius:999px;background:var(--accent);box-shadow:0 0 0 4px rgba(23,211,168,.18);flex:0 0 auto}
.site-header.is-scrolled .topbar{height:0;opacity:0;border-bottom:0}

/* ============ 品牌行 ============ */
.site-header{position:sticky;top:0;z-index:60}
.brandbar{background:var(--secondary)}
.brandbar-inner{display:flex;align-items:center;gap:22px;height:64px;transition:height .22s ease}
.site-header.is-scrolled .brandbar-inner{height:56px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text-inv);font-weight:800}
.logo:hover{text-decoration:none;color:#fff}
.logo-mark{width:34px;height:34px;flex:0 0 auto;border-radius:10px;background:linear-gradient(135deg,var(--primary),#FF8A5B);display:grid;place-items:center;font-size:18px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:0}
.logo-text{font-size:17px;white-space:nowrap}
.searchbox{margin-left:auto;display:flex;align-items:center;gap:6px;height:40px;padding:0 4px 0 14px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-input);min-width:270px}
.searchbox input{flex:1;height:34px;border:0;background:transparent;outline:none;color:var(--text-inv);font-size:14px}
.searchbox input::placeholder{color:rgba(247,246,243,.48)}
.searchbox button{height:32px;padding:0 14px;border-radius:8px;background:var(--primary);color:#fff;font-size:13px;font-weight:600;transition:background .18s ease}
.searchbox button:hover{background:var(--primary-hover)}
.brand-actions{display:flex;align-items:center;gap:10px}
.hamburger{display:none;align-items:center;justify-content:center;width:40px;height:40px;margin-left:auto;border-radius:10px;border:1px solid rgba(247,246,243,.28);color:var(--text-inv);font-size:16px}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:42px;padding:0 20px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;white-space:nowrap}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover);color:#fff}
.btn-primary:active{background:var(--primary-active)}
.btn-ghost-light{border-color:rgba(247,246,243,.34);color:var(--text-inv);background:transparent}
.btn-ghost-light:hover{background:rgba(247,246,243,.12);color:#fff}
.btn-outline{border-color:var(--secondary);color:var(--secondary);background:transparent}
.btn-outline:hover{background:rgba(28,27,46,.08);color:var(--secondary)}
.btn-outline-light{border-color:rgba(247,246,243,.42);color:var(--text-inv);background:transparent}
.btn-outline-light:hover{background:rgba(247,246,243,.14);color:#fff}
.btn-lg{height:48px;padding:0 26px;font-size:16px}
.btn:disabled,.btn.is-disabled{opacity:.4;cursor:not-allowed}

/* ============ 频道行 ============ */
.channelbar{background:#fff;border-bottom:1px solid var(--line)}
.channelbar-inner{display:flex;align-items:center;gap:26px;height:52px;overflow-x:auto;scrollbar-width:none;transition:height .22s ease}
.channelbar-inner::-webkit-scrollbar{display:none}
.chan{position:relative;display:inline-flex;align-items:center;padding:6px 0;font-size:15px;font-weight:500;line-height:1.4;color:var(--text-sub);white-space:nowrap;transition:color .18s ease}
.chan:hover{color:var(--primary);text-decoration:none}
.chan.active{color:var(--primary);font-weight:700}
.chan.active::after{content:"";position:absolute;left:0;right:0;bottom:-10px;height:3px;border-radius:3px;background:var(--primary)}

/* ============ 频道 Hero ============ */
.chan-hero{position:relative;overflow:hidden;background:var(--secondary);min-height:240px;display:flex;align-items:center}
.chan-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.36}
.chan-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(28,27,46,.94) 0%,rgba(28,27,46,.72) 55%,rgba(28,27,46,.55) 100%)}
.chan-hero .wrap{position:relative;z-index:2;padding-top:42px;padding-bottom:42px}
.chan-hero h1{font-size:clamp(1.9rem,3.4vw,2.85rem);font-weight:800;color:#fff;margin:12px 0 10px;letter-spacing:.004em}
.chan-hero p{max-width:660px;font-size:16px;color:rgba(247,246,243,.84)}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(247,246,243,.66);flex-wrap:wrap}
.crumb a{color:rgba(247,246,243,.82)}
.crumb a:hover{color:#fff;text-decoration:none}
.crumb .sep{color:rgba(247,246,243,.4)}
.crumb .now{color:rgba(247,246,243,.6)}

/* ============ 筛选标签行 ============ */
.filterbar{background:#fff;border-bottom:1px solid var(--line)}
.filterbar-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:66px}
.filter-tabs{display:flex;align-items:center;gap:10px;overflow-x:auto;scrollbar-width:none}
.filter-tabs::-webkit-scrollbar{display:none}
.ftab{display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;background:var(--soft);color:var(--text-sub);font-size:14px;font-weight:500;line-height:1;white-space:nowrap;transition:background-color .18s ease,color .18s ease}
.ftab.active{background:var(--primary);color:#fff}
.filter-meta{font-size:13px;color:var(--text-sub);white-space:nowrap;font-variant-numeric:tabular-nums}

/* ============ 板块 ============ */
.section{padding:76px 0}
.section.soft{background:var(--soft)}
.sec-head{margin-bottom:30px;max-width:760px}
.sec-head h2{font-size:clamp(1.4rem,2.2vw,1.7rem);margin-bottom:10px}
.sec-head h2 .bar{display:inline-block;width:4px;height:20px;border-radius:3px;background:var(--primary);margin-right:10px;vertical-align:-2px}
.sec-head p{font-size:15px;color:var(--text-sub)}

/* ============ 时间线 ============ */
.timeline{display:flex;flex-direction:column;gap:26px}
.tl-group{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);overflow:hidden}
.tl-head{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 22px;background:var(--soft);border-bottom:1px solid var(--line)}
.tl-date{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800}
.tl-date .pip{width:9px;height:9px;border-radius:999px;background:var(--primary);box-shadow:0 0 0 4px rgba(240,86,43,.14)}
.tl-count{font-size:13px;color:var(--text-sub);font-variant-numeric:tabular-nums}
.server-list{display:block}
.server-row{position:relative;display:grid;grid-template-columns:82px minmax(180px,1.05fr) minmax(0,1.5fr) auto auto;align-items:center;gap:16px;padding:16px 22px;border-bottom:1px solid var(--line);transition:background-color .18s ease,box-shadow .18s ease}
.server-row:last-child{border-bottom:0}
.server-row::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;transition:background-color .18s ease}
.server-row:hover{background:#FFF6F2}
.server-row:hover::before{background:var(--primary)}
.s-time{font-size:17px;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.4}
.s-name{font-size:15.5px;font-weight:600;line-height:1.5}
.s-desc{font-size:13.5px;color:var(--text-sub);line-height:1.6}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;line-height:1;white-space:nowrap}
.badge-live{background:rgba(23,211,168,.16);color:var(--accent-deep)}
.badge-soon{background:rgba(240,86,43,.13);color:var(--primary)}
.badge-pre{background:rgba(28,27,46,.08);color:var(--secondary)}
.s-link{display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 16px;border-radius:var(--radius-btn);background:var(--secondary);color:#fff;font-size:13.5px;font-weight:600;line-height:1;transition:background-color .18s ease,transform .18s ease}
.s-link:hover{background:var(--secondary-soft);color:#fff;text-decoration:none;transform:translateY(-1px)}

/* ============ 数据速览 ============ */
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.stat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:26px;box-shadow:var(--shadow-card);transition:transform .2s ease,box-shadow .2s ease}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.stat-num{font-size:2rem;font-weight:800;color:var(--secondary);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-num small{font-size:14px;font-weight:600;color:var(--text-sub);margin-left:4px}
.stat-label{margin-top:6px;font-size:14px;color:var(--text-sub)}
.stat-note{margin-top:12px;font-size:13px;color:var(--text-sub)}

/* ============ 图文行 ============ */
.split{display:grid;grid-template-columns:1.02fr 1fr;gap:44px;align-items:center}
.split-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-img);box-shadow:var(--shadow-card)}
.split-body h2{font-size:clamp(1.35rem,2.1vw,1.65rem);margin-bottom:12px}
.split-body>p{font-size:15.5px;color:var(--text-sub)}
.checklist{margin-top:20px;display:flex;flex-direction:column;gap:14px}
.checklist li{display:flex;gap:12px;font-size:15px;color:var(--text);line-height:1.7}
.check-dot{flex:0 0 auto;width:22px;height:22px;margin-top:3px;border-radius:999px;background:rgba(23,211,168,.16);color:var(--accent-deep);display:grid;place-items:center;font-size:12px;font-weight:700}
.checklist li span.sub{display:block;color:var(--text-sub);font-size:13.5px;margin-top:2px}

/* ============ 表单 ============ */
.subscribe{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:30px}
.sub-form{display:grid;grid-template-columns:1fr 1fr auto;gap:18px;align-items:end;margin-top:22px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--text-sub);margin-bottom:6px}
.field input,.field select{width:100%;height:44px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-input);background:#fff;outline:none;transition:border-color .18s ease,box-shadow .18s ease}
.field input::placeholder{color:#A9A7B0}
.field input:focus,.field select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(240,86,43,.12)}
.sub-hint{margin-top:14px;font-size:13px;color:var(--text-sub)}

/* ============ FAQ ============ */
.faq{display:flex;flex-direction:column;gap:12px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:0 22px;box-shadow:var(--shadow-card);transition:border-color .2s ease}
.faq details[open]{border-color:rgba(240,86,43,.36)}
.faq 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:600;line-height:1.5}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";flex:0 0 auto;font-size:20px;font-weight:700;color:var(--primary);line-height:1;transition:transform .2s ease}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq .ans{padding:0 0 20px;font-size:15px;color:var(--text-sub);line-height:1.85}

/* ============ CTA 条 ============ */
.cta-band{background:var(--secondary);border-radius:20px;padding:46px;display:flex;align-items:center;justify-content:space-between;gap:32px;color:var(--text-inv);position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;right:-40px;top:-40px;width:200px;height:200px;border-radius:999px;background:radial-gradient(circle,rgba(240,86,43,.30),transparent 70%)}
.cta-band-body{position:relative;z-index:2;max-width:620px}
.cta-band h2{color:#fff;font-size:clamp(1.35rem,2.2vw,1.7rem);margin-bottom:10px}
.cta-band p{font-size:15px;color:rgba(247,246,243,.76)}
.cta-band-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--secondary);color:rgba(247,246,243,.72);padding:64px 0 28px;margin-top:80px}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:34px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(247,246,243,.62);max-width:330px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a,.footer-col span{font-size:14px;color:rgba(247,246,243,.68)}
.footer-col a:hover{color:#fff}
.footer-bottom{margin-top:42px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:rgba(247,246,243,.5)}

/* ============ 移动端抽屉 ============ */
.drawer{position:fixed;top:0;right:0;bottom:0;width:min(84vw,320px);background:#fff;z-index:90;padding:22px;display:flex;flex-direction:column;gap:6px;transform:translateX(102%);transition:transform .26s ease;box-shadow:-14px 0 36px rgba(28,27,46,.16)}
.drawer.open{transform:translateX(0)}
.drawer-title{font-size:13px;font-weight:600;color:var(--text-sub);margin:4px 8px 12px}
.drawer a{padding:12px 10px;border-radius:10px;font-size:15px;font-weight:500;color:var(--text);transition:background-color .18s ease,color .18s ease}
.drawer a:hover{background:var(--soft);text-decoration:none}
.drawer a.active{background:rgba(240,86,43,.10);color:var(--primary);font-weight:700}
.drawer .btn{margin-top:14px}
.mask{position:fixed;inset:0;background:rgba(20,19,37,.52);z-index:80;opacity:0;pointer-events:none;transition:opacity .26s ease}
.mask.open{opacity:1;pointer-events:auto}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .brand-actions{display:none}
  .hamburger{display:inline-flex}
  .searchbox{min-width:200px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:28px}
  .sub-form{grid-template-columns:1fr 1fr;gap:16px}
  .sub-form .btn{grid-column:1 / -1;width:100%}
  .footer-top{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  .wrap{padding:0 16px}
  .searchbox{display:none}
  .section{padding:52px 0}
  .chan-hero{min-height:220px}
  .chan-hero .wrap{padding-top:34px;padding-bottom:34px}
  .filterbar-inner{height:auto;flex-direction:column;align-items:flex-start;gap:12px;padding:16px 0}
  .filter-meta{white-space:normal}
  .server-row{grid-template-columns:1fr auto;grid-template-areas:"time badge" "name name" "desc desc" "link link";row-gap:8px;padding:16px 18px}
  .s-time{grid-area:time}
  .server-row .badge{grid-area:badge;justify-self:end}
  .s-name{grid-area:name}
  .s-desc{grid-area:desc}
  .s-link{grid-area:link;justify-self:start;margin-top:4px}
  .stat-grid{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px;gap:22px}
  .footer-top{grid-template-columns:1fr 1fr}
  .site-footer{padding:52px 0 24px;margin-top:56px}
}
@media (max-width:520px){
  .logo-text{font-size:15px}
  .brandbar-inner{gap:12px}
  .tl-head{flex-direction:column;align-items:flex-start;gap:6px}
  .sub-form{grid-template-columns:1fr}
  .subscribe{padding:22px}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: category3 */
:root{
  --primary:#F0562B;
  --primary-hover:#D8451E;
  --primary-active:#BF3B18;
  --secondary:#1C1B2E;
  --accent:#17D3A8;
  --amber:#FFC24B;
  --base:#F6F5F2;
  --card:#FFFFFF;
  --soft:#EFEDE8;
  --line:#E7E4DE;
  --text:#23222B;
  --muted:#6B6A75;
  --inverse:#F7F6F3;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(28,27,46,.06),0 8px 24px rgba(28,27,46,.06);
  --shadow-hover:0 12px 32px rgba(28,27,46,.10);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--base);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:.005em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* 顶部细条 */
.topbar{background:#141322;color:#c9c7d6;font-size:13px;height:34px;display:flex;align-items:center}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%}
.topbar .dotline{display:inline-flex;align-items:center;gap:8px}
.topbar .live{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px rgba(23,211,168,.18)}
.topbar b{color:var(--amber);font-weight:600}

/* 品牌行 */
.headbar{background:var(--secondary);color:var(--inverse);position:sticky;top:0;z-index:60;transition:background .2s ease}
.headbar-inner{height:64px;display:flex;align-items:center;justify-content:space-between;gap:24px;transition:height .2s ease}
.headbar.shrunk .headbar-inner{height:56px}
.headbar.shrunk{box-shadow:0 6px 20px rgba(28,27,46,.22)}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;white-space:nowrap}
.logo-mark{width:32px;height:32px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),#ff8f63);color:#fff;font-size:17px;font-weight:800;line-height:1}
.logo-text{letter-spacing:.01em}
.head-actions{display:flex;align-items:center;gap:12px}
.search{display:flex;align-items:center;gap:8px;height:38px;padding:0 12px;border-radius:var(--radius-btn);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:#9d9bb0}
.search input{width:160px;border:0;background:transparent;outline:none;color:#fff;font-size:14px}
.search input::placeholder{color:#8f8da0}
.menu-toggle{display:none;width:40px;height:40px;border-radius:var(--radius-btn);align-items:center;justify-content:center;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.18);color:#fff;cursor:pointer}
.menu-toggle:hover{background:rgba(255,255,255,.14)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:40px;padding:0 18px;
  border-radius:var(--radius-btn);border:1px solid transparent;font-size:14px;font-weight:600;cursor:pointer;
  white-space:nowrap;transition:all .2s ease}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px)}
.btn-primary:active{background:var(--primary-active);transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--inverse);border-color:rgba(255,255,255,.34)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-outline{background:transparent;color:var(--secondary);border-color:#CFCAC2}
.btn-outline:hover{background:rgba(28,27,46,.07);border-color:var(--secondary)}
.btn-light{background:#fff;color:var(--secondary)}
.btn-light:hover{background:#F2EFEA;transform:translateY(-1px)}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed;transform:none}

/* 频道行 */
.channelbar{background:#fff;border-bottom:1px solid var(--line)}
.channelbar-inner{display:flex;align-items:center;gap:28px;height:52px;overflow-x:auto;scrollbar-width:none}
.channelbar-inner::-webkit-scrollbar{display:none}
.chan{position:relative;padding:6px 0;font-size:15px;font-weight:500;color:#4c4b58;white-space:nowrap}
.chan:hover{color:var(--primary)}
.chan.active{color:var(--primary);font-weight:700}
.chan.active::after{content:"";position:absolute;left:0;right:0;bottom:-15px;height:3px;border-radius:3px;background:var(--primary)}
.drawer{display:none;background:#141322;border-bottom:1px solid rgba(255,255,255,.08)}
.drawer.open{display:block}
.drawer a{display:block;padding:14px 24px;color:#E4E2EE;font-size:15px;border-bottom:1px solid rgba(255,255,255,.06)}
.drawer a.active{color:var(--primary);font-weight:600}
.drawer a:hover{background:rgba(255,255,255,.05)}

/* 频道 Hero */
.page-hero{position:relative;overflow:hidden;background:#1C1B2E;color:var(--inverse)}
.page-hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;opacity:.5}
.page-hero-mask{position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(28,27,46,.94) 0%,rgba(28,27,46,.78) 42%,rgba(28,27,46,.42) 100%)}
.page-hero-deco{position:absolute;right:-40px;top:-40px;width:300px;height:300px;opacity:.07;
  background-image:radial-gradient(#fff 1.6px,transparent 1.6px);background-size:18px 18px}
.page-hero-inner{position:relative;display:flex;flex-direction:column;justify-content:center;
  min-height:224px;padding:40px 0 44px;gap:14px}
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:#B4B2C2}
.crumb a:hover{color:#fff}
.crumb .sep{opacity:.45}
.crumb .current{color:#8B8999}
.page-hero h1{font-size:clamp(1.75rem,3vw,2.4rem);color:#fff}
.page-hero .hero-sub{font-size:15px;color:#CBC9D8;max-width:660px}
.page-hero .hero-tagline{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#9C9AAA}
.page-hero .hero-tagline i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}

/* 筛选标签行 */
.filterbar{background:#fff;border-bottom:1px solid var(--line)}
.filter-inner{display:flex;align-items:center;gap:10px;padding:14px 0;overflow-x:auto;scrollbar-width:none}
.filter-inner::-webkit-scrollbar{display:none}
.filter-label{font-size:13px;color:var(--muted);white-space:nowrap;margin-right:2px}
.chip{display:inline-flex;align-items:center;height:32px;padding:0 15px;border-radius:999px;font-size:13.5px;
  color:var(--muted);background:var(--base);border:1px solid var(--line);white-space:nowrap;transition:all .18s ease}
.chip:hover{border-color:#F3B8A3;color:var(--primary)}
.chip.on{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}

/* 板块 */
.sec{padding:64px 0}
.sec.alt{background:var(--soft)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap}
.sec-title{display:flex;align-items:center;gap:12px;font-size:1.6rem;color:var(--secondary)}
.sec-title::before{content:"";width:4px;height:22px;border-radius:2px;background:var(--primary)}
.sec-desc{margin-top:8px;font-size:14px;color:var(--muted)}
.sec-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary)}
.sec-more::after{content:"→";transition:transform .2s ease}
.sec-more:hover::after{transform:translateX(3px)}

/* 标签与徽章 */
.tag{display:inline-flex;align-items:center;height:22px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:500;background:#FDE7DF;color:#B43811;white-space:nowrap}
.tag.accent{background:#DCF6F0;color:#0B7A61}
.tag.gray{background:var(--soft);color:var(--muted)}
.tag.amber{background:#FFF3D9;color:#9A6B05}

/* 攻略行式列表 */
.g-list{display:flex;flex-direction:column;gap:14px}
.g-row{display:grid;grid-template-columns:236px 1fr;gap:20px;padding:14px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);transition:all .2s ease}
.g-row:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:#DED8CF}
.g-thumb{aspect-ratio:16/9;border-radius:var(--radius-img);overflow:hidden;background:var(--soft)}
.g-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.g-row:hover .g-thumb img{transform:scale(1.04)}
.g-body{display:flex;flex-direction:column;gap:8px;min-width:0}
.g-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted);flex-wrap:wrap}
.g-meta .dot{opacity:.5}
.g-row h3{font-size:1.1rem;font-weight:700;color:var(--secondary);line-height:1.5}
.g-row h3 a:hover{color:var(--primary)}
.g-row .excerpt{font-size:14.5px;line-height:1.8;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.g-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;font-size:13px;color:var(--muted)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;font-weight:600;color:var(--primary)}
.link-arrow::after{content:"→";transition:transform .2s ease}
.link-arrow:hover::after{transform:translateX(3px)}
.more-wrap{display:flex;justify-content:center;margin-top:26px}

/* 专题卡片网格 */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.topic{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);transition:all .2s ease}
.topic:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.topic-img{aspect-ratio:16/9;overflow:hidden;background:var(--soft)}
.topic-img img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.topic:hover .topic-img img{transform:scale(1.05)}
.topic-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.topic-body h3{font-size:1.08rem;color:var(--secondary)}
.topic-body p{font-size:14px;color:var(--muted);line-height:1.8}
.progress{height:6px;border-radius:999px;background:var(--soft);overflow:hidden}
.progress i{display:block;height:100%;border-radius:999px;background:var(--accent)}
.progress.primary i{background:var(--primary)}
.progress.amber i{background:var(--amber)}
.progress-meta{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted)}
.progress-meta b{color:var(--secondary);font-variant-numeric:tabular-nums}

/* 数据条 */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:28px 24px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card)}
.stat b{display:block;font-size:1.85rem;font-weight:800;color:var(--secondary);
  font-variant-numeric:tabular-nums;line-height:1.2}
.stat b span{font-size:.95rem;color:var(--primary);margin-left:3px;font-weight:700}
.stat p{margin-top:6px;font-size:13px;color:var(--muted)}
.stat + .stat{border-left:1px solid var(--line);padding-left:20px}

/* FAQ */
.faq{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq details[open]{border-color:#F4C0AC;box-shadow:var(--shadow-card)}
.faq summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;
  cursor:pointer;font-size:15.5px;font-weight:600;color:var(--secondary);list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:20px;font-weight:700;color:var(--primary);transition:transform .2s ease}
.faq details[open] summary::after{content:"−"}
.faq .faq-body{padding:0 20px 20px;font-size:14.5px;line-height:1.9;color:var(--muted)}

/* 频道内 CTA */
.cta-band{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:28px;
  padding:38px 40px;border-radius:16px;background:var(--secondary);color:var(--inverse)}
.cta-band::after{content:"";position:absolute;right:-30px;bottom:-60px;width:240px;height:240px;opacity:.08;
  background-image:radial-gradient(#fff 1.8px,transparent 1.8px);background-size:20px 20px}
.cta-band h2{font-size:1.5rem;color:#fff}
.cta-band p{margin-top:8px;font-size:14.5px;color:#C8C6D6;max-width:640px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative}

/* 页脚 */
.site-footer{background:var(--secondary);color:#C4C2D2;padding:56px 0 0}
.footer-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:38px}
.footer-brand .logo{margin-bottom:14px;font-size:16px}
.footer-brand p{font-size:13.5px;line-height:1.9;color:#A3A1B2;max-width:350px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:14px;font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:10px;font-size:13.5px}
.footer-col li span{color:#9A98A9}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.1);padding:18px 0;font-size:12.5px;color:#8C8A9A}

/* 响应式 */
@media (max-width:1024px){
  .footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:26px}
  .footer-brand{grid-column:1 / -1}
  .g-row{grid-template-columns:210px 1fr}
}
@media (max-width:900px){
  .search{display:none}
  .menu-toggle{display:inline-flex}
  .topic-grid{grid-template-columns:repeat(2,1fr)}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:18px}
  .stat + .stat{border-left:0;padding-left:0}
  .stat:nth-child(even){border-left:1px solid var(--line);padding-left:18px}
}
@media (max-width:768px){
  .wrap{padding:0 16px}
  .sec{padding:48px 0}
  .sec-title{font-size:1.35rem}
  .headbar-inner{height:58px}
  .logo{font-size:15px}
  .logo-mark{width:28px;height:28px;font-size:15px}
  .page-hero-inner{min-height:200px;padding:32px 0 36px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:30px 24px}
  .footer-bottom{justify-content:flex-start}
}
@media (max-width:720px){
  .g-row{grid-template-columns:1fr;gap:14px}
  .g-thumb{width:100%}
}
@media (max-width:560px){
  .topic-grid{grid-template-columns:1fr}
  .stat-strip{grid-template-columns:1fr}
  .stat:nth-child(even){border-left:0;padding-left:0}
  .footer-top{grid-template-columns:1fr;gap:26px}
  .topbar .hide-sm{display:none}
  .btn{padding:0 14px}
}

/* roulang page: category2 */
:root{
  --primary:#F0562B; --primary-hover:#D8451E; --primary-active:#BF3B18;
  --secondary:#1C1B2E; --accent:#17D3A8; --amber:#FFC24B;
  --bg:#F6F5F2; --card:#FFFFFF; --soft:#EFEDE8; --line:#E7E4DE;
  --ink:#23222B; --muted:#6B6A75; --invert:#F7F6F3;
  --r-card:14px; --r-img:12px; --r-btn:10px; --r-input:10px;
  --sh-card:0 1px 2px rgba(28,27,46,.06), 0 8px 24px rgba(28,27,46,.06);
  --sh-hover:0 12px 32px rgba(28,27,46,.10);
  --gap:22px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
a:hover{color:var(--primary)}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
[hidden]{display:none !important}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}

/* ============ 顶部细条 + 品牌行 + 频道行 ============ */
.site-header{position:sticky;top:0;z-index:60;background:var(--secondary)}
.topline{background:#141322;height:34px;overflow:hidden;transition:height .22s ease,opacity .22s ease}
.is-stuck .topline{height:0;opacity:0}
.topline-inner{display:flex;align-items:center;gap:10px;height:34px;font-size:12.5px;color:rgba(247,246,243,.72);white-space:nowrap;overflow:hidden}
.live-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px rgba(23,211,168,.18);flex:0 0 auto}
.topline-sep{color:rgba(247,246,243,.28)}
.brandbar-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px;transition:height .22s ease}
.is-stuck .brandbar-inner{height:56px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--invert);font-weight:800;font-size:17px;letter-spacing:.01em}
.logo:hover{color:#fff}
.logo-mark{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--primary),var(--amber));color:#fff;display:grid;place-items:center;font-weight:800;font-size:16px;flex:0 0 auto}
.logo-text{white-space:nowrap}
.brandbar-right{display:flex;align-items:center;gap:12px}
.search{display:flex;align-items:center;gap:8px;width:250px;height:40px;padding:0 12px;border-radius:var(--r-input);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:rgba(247,246,243,.7)}
.search i{font-size:13px}
.search input{flex:1;min-width:0;background:none;border:0;outline:none;color:var(--invert);font-size:14px}
.search input::placeholder{color:rgba(247,246,243,.48)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:var(--r-btn);border:1px solid rgba(247,246,243,.22);color:var(--invert);align-items:center;justify-content:center;font-size:16px}
.nav-toggle:hover{background:rgba(247,246,243,.1)}
.channelbar{background:var(--soft);border-top:1px solid rgba(255,255,255,.06);border-bottom:1px solid var(--line)}
.channelbar-inner{display:flex;align-items:center;gap:26px;height:52px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.channelbar-inner::-webkit-scrollbar{display:none}
.chan{position:relative;display:inline-block;font-size:15px;font-weight:500;color:#4A4956;white-space:nowrap;padding:14px 0;border-bottom:2px solid transparent;transition:color .18s ease,border-color .18s ease}
.chan:hover{color:var(--primary)}
.chan.active{color:var(--primary);font-weight:700;border-color:var(--primary)}
.drawer{background:#17162a;border-top:1px solid rgba(255,255,255,.08);padding:8px 0 14px}
.drawer-link{display:block;padding:12px 2px;font-size:15px;color:rgba(247,246,243,.84);border-bottom:1px solid rgba(255,255,255,.06)}
.drawer-link.is-active{color:var(--primary);font-weight:700}
.drawer-link:hover{color:#fff}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border:1px solid transparent;border-radius:var(--r-btn);font-size:15px;font-weight:600;white-space:nowrap;cursor:pointer;transition:background-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover);color:#fff;transform:translateY(-1px)}
.btn-primary:active{background:var(--primary-active);transform:translateY(0)}
.btn-outline-light{border-color:rgba(247,246,243,.5);color:var(--invert);background:transparent}
.btn-outline-light:hover{background:rgba(247,246,243,.14);color:#fff}
.btn-outline{border-color:var(--secondary);color:var(--secondary);background:transparent}
.btn-outline:hover{background:rgba(28,27,46,.08);color:var(--secondary)}
.btn-dark{background:var(--secondary);color:var(--invert)}
.btn-dark:hover{background:#2b2942;color:#fff}
.btn-link{padding:0;height:auto;color:var(--primary);font-weight:600;gap:6px}
.btn-link:hover{text-decoration:underline}
.btn.is-disabled{opacity:.4;pointer-events:none}

/* ============ 徽章与标签 ============ */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12.5px;font-weight:600;line-height:1}
.badge-hot{background:rgba(240,86,43,.12);color:#C43F1C}
.badge-ok{background:rgba(23,211,168,.16);color:#0E8E72}
.badge-off{background:#E7E4DE;color:#6B6A75}
.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;background:#F1EFEA;color:#4A4956;font-size:12.5px;font-weight:500;line-height:1}

/* ============ 频道 Hero ============ */
.page-hero{position:relative;overflow:hidden;background:var(--secondary)}
.page-hero::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.55}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(28,27,46,.95) 0%,rgba(28,27,46,.8) 46%,rgba(28,27,46,.45) 100%)}
.hero-inner{position:relative;z-index:2;color:var(--invert);padding-top:40px;padding-bottom:46px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(247,246,243,.7)}
.crumb a:hover{color:#fff;text-decoration:underline}
.crumb-now{color:rgba(247,246,243,.52)}
.hero-title{font-size:clamp(1.9rem,3.4vw,2.5rem);font-weight:800;line-height:1.25;margin-top:14px;letter-spacing:.01em}
.hero-sub{max-width:780px;margin-top:12px;font-size:15.5px;line-height:1.9;color:rgba(247,246,243,.82)}
.hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px}
.hero-note{font-size:12.5px;color:rgba(247,246,243,.62)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}

/* ============ 通用板块 ============ */
.section{padding:80px 0}
.section.soft{background:var(--soft)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:26px}
.section-title{position:relative;padding-left:14px;font-size:clamp(1.5rem,2.4vw,1.75rem);font-weight:800;line-height:1.3}
.section-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:999px;background:var(--primary)}
.section-sub{margin-top:8px;padding-left:14px;font-size:14.5px;color:var(--muted);max-width:760px}
.section-side{font-size:13.5px;color:var(--muted)}

/* ============ 数据速览 ============ */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:20px 22px;box-shadow:var(--sh-card);transition:box-shadow .2s ease,transform .2s ease}
.stat:hover{box-shadow:var(--sh-hover);transform:translateY(-2px)}
.stat-num{font-size:1.7rem;font-weight:800;color:var(--secondary);line-height:1.2;font-variant-numeric:tabular-nums}
.stat-num em{font-style:normal;font-size:.95rem;font-weight:700;color:var(--primary);margin-left:3px}
.stat-label{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.7}

/* ============ 筛选行 ============ */
.filterbar{display:flex;flex-wrap:wrap;gap:10px;padding:14px 16px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:24px}
.chip{height:36px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:#fff;color:#4A4956;font-size:14px;font-weight:500;transition:all .18s ease}
.chip:hover{border-color:var(--primary);color:var(--primary)}
.chip.is-on{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:600}

/* ============ 礼包卡片网格 ============ */
.gift-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.gift-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);transition:box-shadow .2s ease,transform .2s ease}
.gift-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px)}
.card-media{aspect-ratio:16/9;overflow:hidden;background:var(--soft)}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-body{padding:16px 18px 18px}
.card-tags{display:flex;flex-wrap:wrap;gap:8px}
.card-title{margin-top:10px;font-size:17px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-title a:hover{color:var(--primary);text-decoration:underline}
.card-desc{margin-top:6px;font-size:13.5px;color:var(--muted);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.stock{margin-top:14px}
.stock-row{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);margin-bottom:6px}
.bar{height:6px;border-radius:999px;background:var(--line);overflow:hidden}
.bar span{display:block;height:100%;border-radius:999px;background:var(--accent);transition:width .3s ease}
.bar.warn span{background:var(--amber)}
.bar.danger span{background:var(--primary)}
.bar.off span{background:#C7C4BD}
.card-actions{display:flex;align-items:center;gap:12px;margin-top:16px;flex-wrap:wrap}
.card-limit{font-size:12.5px;color:var(--muted)}
.empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;min-height:240px;background:var(--card);border:1px dashed var(--line);border-radius:var(--r-card);color:var(--muted);font-size:14px;text-align:center;padding:24px}
.empty i{font-size:26px;color:#C7C4BD}

/* ============ 领取须知 ============ */
.note-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.note{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-card)}
.note-icon{width:42px;height:42px;border-radius:12px;background:rgba(240,86,43,.1);color:var(--primary);display:grid;place-items:center;font-size:17px}
.note-title{margin-top:14px;font-size:1.15rem;font-weight:700}
.note p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.9}

/* ============ FAQ ============ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;transition:box-shadow .2s ease}
.faq-item[open]{box-shadow:var(--sh-card)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;font-size:15.5px;font-weight:600;cursor:pointer;list-style:none}
.faq-q::-webkit-details-marker{display:none}
.faq-q i{color:var(--primary);font-size:13px;transition:transform .2s ease}
.faq-item[open] .faq-q i{transform:rotate(180deg)}
.faq-a{padding:0 20px 20px;font-size:14.5px;color:var(--muted);line-height:1.9}

/* ============ CTA 条 ============ */
.cta-band{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;background:var(--secondary);border-radius:18px;padding:36px 40px;color:var(--invert)}
.cta-band h2{font-size:clamp(1.3rem,2.2vw,1.5rem);font-weight:800;line-height:1.35}
.cta-band p{margin-top:8px;font-size:14.5px;line-height:1.9;color:rgba(247,246,243,.76);max-width:660px}
.cta-num{color:var(--amber);font-weight:800;font-variant-numeric:tabular-nums}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.site-footer{background:var(--secondary);color:rgba(247,246,243,.78);padding:56px 0 24px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand .logo{color:#fff}
.footer-brand p{margin-top:14px;max-width:360px;font-size:13.5px;line-height:1.9;color:rgba(247,246,243,.66)}
.footer-col h4{margin-bottom:14px;font-size:14.5px;font-weight:700;color:#fff}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col span{font-size:13.5px;color:rgba(247,246,243,.7)}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:36px;padding-top:18px;border-top:1px solid rgba(247,246,243,.12);font-size:12.5px;color:rgba(247,246,243,.55)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .gift-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .note-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr}
  .search{width:200px}
}
@media (max-width:768px){
  .section{padding:52px 0}
  .search{display:none}
  .brandbar-right .btn{display:none}
  .nav-toggle{display:inline-flex}
  .channelbar-inner{gap:22px}
  .hero-inner{padding-top:28px;padding-bottom:32px}
  .hero-sub{font-size:14.5px}
  .cta-band{padding:26px 22px;border-radius:14px}
  .footer-top{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:640px){
  .wrap{padding:0 16px}
  .gift-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr}
  .hero-actions .btn{flex:1 1 auto}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}

/* roulang page: category4 */
:root{
  --primary:#F0562B;
  --primary-hover:#D8451E;
  --primary-active:#BF3B18;
  --secondary:#1C1B2E;
  --accent:#17D3A8;
  --amber:#FFC24B;
  --base:#F6F5F2;
  --card:#FFFFFF;
  --section:#EFEDE8;
  --line:#E7E4DE;
  --text:#23222B;
  --muted:#6B6A75;
  --invert:#F7F6F3;
  --radius-card:14px;
  --radius-img:12px;
  --radius-btn:10px;
  --radius-input:10px;
  --shadow-card:0 1px 2px rgba(28,27,46,.06),0 8px 24px rgba(28,27,46,.06);
  --shadow-hover:0 12px 32px rgba(28,27,46,.10);
  --font-sans:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--base);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease}
a:hover{color:var(--primary-hover);text-decoration:underline}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:.005em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
table{border-collapse:separate;border-spacing:0}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ============ 顶部细条 ============ */
.topbar{background:var(--secondary);color:var(--invert);font-size:13px}
.topbar-inner{display:flex;align-items:center;gap:10px;height:34px;overflow:hidden;white-space:nowrap}
.topbar .dot{width:7px;height:7px;border-radius:999px;background:var(--accent);flex:none;box-shadow:0 0 0 3px rgba(23,211,168,.18)}
.topbar .sep{opacity:.35}
.topbar em{font-style:normal;color:var(--amber)}

/* ============ header ============ */
.site-header{position:sticky;top:0;z-index:60}
.brandbar{background:var(--secondary);color:var(--invert)}
.brandbar-inner{display:flex;align-items:center;gap:24px;height:64px;transition:height .2s ease}
.site-header.shrink .brandbar-inner{height:56px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--invert);text-decoration:none;flex:none}
.logo:hover{color:#fff;text-decoration:none}
.logo-mark{
  width:34px;height:34px;flex:none;border-radius:10px;
  background:linear-gradient(140deg,var(--primary),#FF8A5B 70%);
  color:#fff;font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center;
}
.logo-text{font-weight:800;font-size:18px;letter-spacing:.005em;white-space:nowrap}
.search{flex:1;max-width:420px;display:flex;align-items:center;background:rgba(247,246,243,.10);border:1px solid rgba(247,246,243,.18);border-radius:var(--radius-input);overflow:hidden}
.search input{flex:1;height:40px;padding:0 14px;background:transparent;border:0;outline:none;color:var(--invert);font-size:14px}
.search input::placeholder{color:rgba(247,246,243,.58)}
.search button{height:40px;padding:0 16px;background:var(--primary);color:#fff;font-size:14px;font-weight:600}
.search button:hover{background:var(--primary-hover)}
.brandbar-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:none}
.nav-toggle{display:none;width:40px;height:40px;border-radius:10px;border:1px solid rgba(247,246,243,.24);color:var(--invert);align-items:center;justify-content:center}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius-btn);font-weight:600;font-size:15px;padding:0 20px;height:44px;transition:all .18s ease;white-space:nowrap;text-decoration:none;border:1px solid transparent}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-hover);color:#fff}
.btn-primary:active{background:var(--primary-active)}
.btn-outline{border-color:var(--secondary);color:var(--secondary);background:transparent}
.btn-outline:hover{background:rgba(28,27,46,.08);color:var(--secondary)}
.btn-invert{background:#fff;color:var(--secondary)}
.btn-invert:hover{background:#EAE7E1;color:var(--secondary)}
.btn-ghost-light{border-color:rgba(247,246,243,.32);color:var(--invert);background:transparent}
.btn-ghost-light:hover{background:rgba(247,246,243,.12);color:#fff}
.btn-sm{height:38px;font-size:14px;padding:0 16px}
.btn-lg{height:52px;font-size:16px;padding:0 28px}
.btn-block{width:100%}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:15px;height:auto;padding:0}
.btn-text:hover{color:var(--primary-hover);text-decoration:underline}
.btn[disabled],.btn.is-disabled{opacity:.4;cursor:not-allowed}

/* ============ 频道行 ============ */
.channelbar{background:var(--card);border-bottom:1px solid var(--line)}
.channelbar-inner{display:flex;align-items:center;gap:26px;height:52px;overflow-x:auto;scrollbar-width:none}
.channelbar-inner::-webkit-scrollbar{display:none}
.chan{position:relative;font-size:15px;font-weight:500;color:var(--muted);text-decoration:none;white-space:nowrap;padding:6px 2px}
.chan:hover{color:var(--secondary);text-decoration:none}
.chan.active{color:var(--secondary);font-weight:700}
.chan.active::after{content:"";position:absolute;left:0;right:0;bottom:-9px;height:3px;border-radius:999px;background:var(--primary)}

/* ============ Hero ============ */
.page-hero{background:var(--secondary);color:var(--invert);position:relative;overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(115deg,rgba(28,27,46,.92) 0%,rgba(28,27,46,.72) 48%,rgba(28,27,46,.55) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center right;
}
.page-hero::after{
  content:"";position:absolute;right:-60px;top:-70px;width:300px;height:300px;
  background-image:radial-gradient(rgba(247,246,243,.45) 1.4px,transparent 1.4px);
  background-size:16px 16px;opacity:.08;pointer-events:none;
}
.page-hero>.wrap{position:relative;z-index:2}
.hero-pad{padding:34px 0 44px;min-height:250px;display:flex;flex-direction:column;justify-content:center}
.crumb{font-size:13px;color:rgba(247,246,243,.72);display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.crumb a{color:rgba(247,246,243,.82);text-decoration:none}
.crumb a:hover{color:#fff;text-decoration:underline}
.crumb span.sep{opacity:.45}
.crumb-current{color:var(--accent)}
.page-hero h1{font-size:clamp(1.9rem,3.4vw,2.85rem);color:#fff;letter-spacing:.005em}
.hero-sub{margin-top:12px;font-size:16px;color:rgba(247,246,243,.86);max-width:720px}
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.filter-chip{font-size:13px;font-weight:500;padding:6px 14px;border-radius:999px;border:1px solid rgba(247,246,243,.26);color:rgba(247,246,243,.86);background:rgba(247,246,243,.06)}
.filter-chip.on{background:var(--primary);border-color:var(--primary);color:#fff}

/* ============ 通用板块 ============ */
.section{padding:64px 0}
.section.soft{background:var(--section)}
.section-title{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.section-title h2{font-size:1.6rem;position:relative;padding-left:14px}
.section-title h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--primary)}
.section-title .desc{font-size:14px;color:var(--muted);max-width:620px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary);background:rgba(240,86,43,.10);border-radius:999px;padding:5px 12px;margin-bottom:14px}

/* ============ 下载卡 ============ */
.dl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.dl-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);overflow:hidden;display:flex;flex-direction:column;transition:box-shadow .2s ease,transform .2s ease}
.dl-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.dl-cover{aspect-ratio:16/9;overflow:hidden;background:var(--section)}
.dl-cover img{width:100%;height:100%;object-fit:cover}
.dl-body{padding:18px;display:flex;flex-direction:column;gap:12px;flex:1}
.dl-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.dl-head h3{font-size:1.15rem}
.badge{display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;line-height:1.6}
.badge-primary{background:rgba(240,86,43,.12);color:var(--primary)}
.badge-accent{background:rgba(23,211,168,.14);color:#0E9C7C}
.badge-muted{background:var(--section);color:var(--muted)}
.dl-meta{display:grid;grid-template-columns:1fr 1fr;gap:8px 12px;font-size:13px;color:var(--muted)}
.dl-meta b{display:block;color:var(--text);font-weight:600;font-size:14px}
.dl-note{font-size:13px;color:var(--muted);line-height:1.75}
.dl-foot{margin-top:auto;display:flex;flex-direction:column;gap:8px}
.dl-foot .tip{font-size:12px;color:var(--muted)}

/* ============ 步骤条 ============ */
.steps{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.steps::before{content:"";position:absolute;left:6%;right:6%;top:26px;height:2px;background:linear-gradient(90deg,rgba(240,86,43,.55),rgba(240,86,43,.14));z-index:0}
.step{position:relative;z-index:1;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:22px 20px;box-shadow:var(--shadow-card)}
.step-index{width:44px;height:44px;border-radius:14px;background:var(--primary);color:#fff;font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;box-shadow:0 8px 18px rgba(240,86,43,.28)}
.step h3{font-size:1.15rem;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);line-height:1.8}
.step .step-tag{margin-top:12px;display:inline-flex;font-size:12px;font-weight:600;color:#0E9C7C;background:rgba(23,211,168,.14);border-radius:999px;padding:3px 10px}

/* ============ 配置表 ============ */
.req-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);overflow:hidden}
.req-table{width:100%;font-size:15px}
.req-table thead th{background:var(--section);color:var(--secondary);font-weight:700;font-size:14px;text-align:left;padding:16px 20px;border-bottom:1px solid var(--line)}
.req-table tbody td{padding:16px 20px;border-bottom:1px solid var(--line);color:var(--text);vertical-align:top}
.req-table tbody tr:nth-child(even){background:#FBFAF8}
.req-table tbody tr:last-child td{border-bottom:0}
.req-table tbody td:first-child{font-weight:600;color:var(--secondary);width:22%}
.req-table .ok{color:#0E9C7C;font-weight:600}

/* ============ 图文区 ============ */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center}
.split-media{border-radius:var(--radius-img);overflow:hidden;aspect-ratio:16/9;background:var(--section);box-shadow:var(--shadow-card)}
.split-media img{width:100%;height:100%;object-fit:cover}
.split h2{font-size:1.6rem;margin-bottom:16px}
.split p{color:var(--muted);font-size:16px;line-height:1.9}
.check-list{margin-top:20px;display:grid;gap:12px}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text)}
.check-list .tick{flex:none;width:20px;height:20px;border-radius:999px;background:rgba(23,211,168,.16);color:#0E9C7C;font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;margin-top:5px}

/* ============ FAQ ============ */
.faq{display:grid;gap:12px;max-width:920px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);transition:border-color .2s ease}
.faq details[open]{border-color:rgba(240,86,43,.45)}
.faq summary{list-style:none;cursor:pointer;padding:18px 22px;font-weight:600;font-size:16px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:20px;font-weight:500;color:var(--primary);transition:transform .2s ease}
.faq details[open] summary::after{content:"–"}
.faq .faq-body{padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.9;border-top:1px solid var(--line);margin-top:-1px;padding-top:16px}

/* ============ CTA ============ */
.cta-band{background:var(--secondary);color:var(--invert);padding:52px 0;position:relative;overflow:hidden}
.cta-band::after{content:"";position:absolute;left:-40px;bottom:-90px;width:260px;height:260px;background-image:radial-gradient(rgba(247,246,243,.5) 1.4px,transparent 1.4px);background-size:16px 16px;opacity:.08}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.cta-inner h2{font-size:1.5rem;color:#fff;margin-bottom:8px}
.cta-inner p{color:rgba(247,246,243,.82);font-size:15px;max-width:640px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--secondary);color:rgba(247,246,243,.72);font-size:14px;padding:56px 0 24px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:34px;border-bottom:1px solid rgba(247,246,243,.14)}
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{line-height:1.9;max-width:340px;color:rgba(247,246,243,.66)}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:rgba(247,246,243,.72);text-decoration:none}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-col span{color:rgba(247,246,243,.66)}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:20px;font-size:13px;color:rgba(247,246,243,.58)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .dl-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .steps::before{display:none}
  .split{grid-template-columns:1fr;gap:26px}
  .footer-top{grid-template-columns:1fr 1fr}
  .section{padding:56px 0}
}
@media (max-width:768px){
  .wrap{padding:0 16px}
  .brandbar-inner{gap:14px}
  .search{display:none}
  .brandbar-actions .btn-sm:first-child{display:none}
  .nav-toggle{display:inline-flex}
  .logo-text{font-size:16px}
  .channelbar-inner{gap:20px}
  .section{padding:48px 0}
  .section-title h2{font-size:1.4rem}
  .hero-pad{padding:26px 0 34px;min-height:auto}
  .hero-sub{font-size:15px}
  .req-table thead{display:none}
  .req-table,.req-table tbody,.req-table tr,.req-table td{display:block;width:100%}
  .req-table tbody tr{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:6px 16px;margin:0 0 12px}
  .req-table tbody td{padding:12px 0;border-bottom:1px dashed var(--line);display:flex;justify-content:space-between;gap:16px;font-size:14px}
  .req-table tbody td::before{content:attr(data-label);color:var(--muted);font-weight:600;flex:none}
  .req-table tbody td:last-child{border-bottom:0}
  .req-table tbody td:first-child{width:100%;color:var(--secondary)}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .dl-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .btn{width:100%}
  .cta-actions{width:100%}
  .logo-mark{width:30px;height:30px;font-size:16px}
}