/* roulang page: index */
:root{
  --c-primary:#1A5A96;
  --c-primary-deep:#0F3E6B;
  --c-primary-soft:#E8F1FA;
  --c-accent:#E2703A;
  --c-accent-soft:#FDEDE4;
  --c-ink:#17222E;
  --c-ink-2:#4A5A6A;
  --c-ink-3:#8595A5;
  --c-bg:#F7F9FC;
  --c-surface:#FFFFFF;
  --c-line:#E3EAF1;
  --c-success:#2F9E6B;
  --c-danger:#D0453A;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,42,67,.05);
  --sh-2:0 8px 24px rgba(16,42,67,.08);
  --sh-3:0 16px 40px rgba(16,42,67,.12);
  --maxw:1200px;
  --nav-h:64px;
  --gut:24px;
  --t:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid rgba(26,90,150,.45);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:background var(--t),color var(--t),box-shadow var(--t),transform var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-outline{background:var(--c-surface);color:var(--c-primary);border:1px solid var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-soft);transform:translateY(-1px);}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:0 6px 18px rgba(226,112,58,.22);}
.btn-accent:hover{background:#C95F2C;transform:translateY(-1px);box-shadow:0 10px 26px rgba(226,112,58,.28);}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:600;font-size:15px;}
.btn-text i{transition:transform var(--t);font-style:normal;}
.btn-text:hover i{transform:translateX(3px);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:6px;background:var(--c-primary-soft);color:var(--c-primary);font-size:12px;font-weight:500;letter-spacing:.02em;}
.badge-live{background:var(--c-accent);color:#fff;border-radius:var(--r-pill);padding:0 12px;height:26px;gap:6px;}
.badge-live::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 1.6s ease-in-out infinite;}
.badge-time{position:absolute;right:10px;bottom:10px;background:rgba(23,34,46,.72);color:#fff;font-size:12px;height:22px;padding:0 8px;border-radius:8px;display:inline-flex;align-items:center;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.55;}}

/* ---------- 头部导航 ---------- */
.site-header{position:fixed;top:0;left:0;right:0;z-index:200;background:var(--c-surface);border-bottom:1px solid var(--c-line);transition:box-shadow var(--t);}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.header-inner{display:flex;align-items:center;gap:28px;height:var(--nav-h);}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-deep) 100%);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;letter-spacing:.02em;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:700;color:var(--c-primary-deep);letter-spacing:.01em;}
.brand-sub{font-size:12px;color:var(--c-ink-3);letter-spacing:.04em;}
.nav-channels{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{position:relative;display:inline-flex;align-items:center;height:var(--nav-h);padding:0 14px;font-size:15px;color:var(--c-ink-2);transition:color var(--t);}
.nav-link:hover{color:var(--c-primary);}
.nav-link::after{content:"";position:absolute;left:50%;bottom:14px;width:0;height:2px;background:var(--c-primary);transform:translateX(-50%);transition:width var(--t);}
.nav-link:hover::after{width:14px;}
.nav-link.active{color:var(--c-primary);font-weight:600;}
.nav-link.active::after{width:20px;}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-wrap{position:relative;}
.search-btn{width:40px;height:40px;border-radius:10px;border:1px solid var(--c-line);display:flex;align-items:center;justify-content:center;color:var(--c-ink-2);transition:border-color var(--t),color var(--t),background var(--t);}
.search-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft);}
.search-pop{position:absolute;top:52px;right:0;width:320px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:12px;box-shadow:var(--sh-2);padding:12px;display:none;}
.search-pop.open{display:block;}
.search-pop input{width:100%;height:44px;border:1px solid var(--c-line);border-radius:10px;padding:0 14px;background:var(--c-bg);transition:border-color var(--t),box-shadow var(--t);}
.search-pop input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(26,90,150,.12);background:#fff;}
.search-pop p{margin-top:8px;font-size:12px;color:var(--c-ink-3);}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--c-line);align-items:center;justify-content:center;color:var(--c-ink);}
.nav-toggle span{display:block;width:18px;height:2px;background:currentColor;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:currentColor;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.mobile-panel{display:none;background:var(--c-surface);border-top:1px solid var(--c-line);padding:8px 0 16px;}
.mobile-panel.open{display:block;animation:panelIn 200ms ease-out;}
@keyframes panelIn{from{opacity:0;transform:translateY(-8px);}to{opacity:1;transform:translateY(0);}}
.mobile-panel a{display:flex;align-items:center;height:48px;padding:0 24px;font-size:16px;color:var(--c-ink-2);border-bottom:1px solid var(--c-line);}
.mobile-panel a:last-child{border-bottom:0;}
.mobile-panel a.active{color:var(--c-primary);font-weight:600;background:var(--c-primary-soft);}

/* ---------- Hero ---------- */
.hero{padding-top:calc(var(--nav-h) + 40px);padding-bottom:56px;position:relative;overflow:hidden;}
.hero::before{content:"";position:absolute;inset:0;background:url(/assets/images/backpic/back-1.webp) center/cover no-repeat;opacity:.10;pointer-events:none;}
.hero-inner{position:relative;}
.hero-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gut);align-items:center;}
.hero-left{grid-column:span 7;}
.hero-right{grid-column:span 5;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:var(--r-pill);background:var(--c-accent-soft);color:#A64B20;font-size:13px;font-weight:600;letter-spacing:.02em;margin-bottom:18px;}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-accent);}
h1.hero-title{font-size:40px;line-height:1.28;font-weight:700;color:var(--c-primary-deep);letter-spacing:-.01em;}
h1.hero-title em{font-style:normal;color:var(--c-primary);}
.hero-sub{margin-top:16px;font-size:17px;line-height:1.8;color:var(--c-ink-2);max-width:600px;}
.countdown{margin-top:26px;display:inline-block;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);padding:16px 20px 18px;box-shadow:var(--sh-1);}
.cd-head{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);letter-spacing:.02em;margin-bottom:12px;}
.cd-dot{width:8px;height:8px;border-radius:50%;background:var(--c-accent);animation:pulse 1.6s ease-in-out infinite;}
.cd-cells{display:flex;gap:10px;}
.cd-cell{min-width:66px;text-align:center;background:var(--c-primary-soft);border-radius:10px;padding:8px 6px 6px;}
.cd-cell.is-second{background:#fff;border:1px solid var(--c-accent);}
.cd-num{display:block;font-size:28px;line-height:1.15;font-weight:700;color:var(--c-primary-deep);font-variant-numeric:tabular-nums;}
.cd-cell.is-second .cd-num{color:var(--c-accent);}
.cd-label{display:block;font-size:12px;color:var(--c-ink-3);letter-spacing:.02em;}
.countdown.is-live .cd-cells{display:none;}
.cd-live{display:none;font-size:24px;font-weight:700;color:var(--c-accent);letter-spacing:.04em;}
.countdown.is-live .cd-live{display:block;}
.hero-cta{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px;}
.trust-row{margin-top:28px;display:flex;flex-wrap:wrap;gap:10px;}
.trust-item{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--c-ink-2);background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-pill);height:30px;padding:0 14px;}
.trust-item::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary);}

.cover-card{position:relative;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-2);overflow:hidden;transition:box-shadow var(--t),transform var(--t);}
.cover-card:hover{box-shadow:var(--sh-3);transform:translateY(-2px);}
.cover-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-soft);}
.cover-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease-out;}
.cover-card:hover .cover-media img{transform:scale(1.03);}
.cover-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,62,107,.12) 0%,rgba(15,62,107,.55) 100%);}
.cover-live{position:absolute;left:14px;top:14px;z-index:2;}
.play-btn{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:2;width:58px;height:58px;border-radius:50%;background:rgba(255,255,255,.94);display:flex;align-items:center;justify-content:center;box-shadow:var(--sh-2);transition:transform var(--t);}
.play-btn::before{content:"";width:0;height:0;border-style:solid;border-width:9px 0 9px 15px;border-color:transparent transparent transparent var(--c-primary);margin-left:4px;}
.cover-card:hover .play-btn{transform:translate(-50%,-50%) scale(1.06);}
.cover-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 18px;}
.cover-bar strong{font-size:15px;font-weight:600;color:var(--c-ink);}
.cover-bar span{font-size:13px;color:var(--c-ink-3);font-variant-numeric:tabular-nums;}

/* ---------- 通用区块 ---------- */
.section{padding:80px 0;}
.section.alt{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{font-size:28px;line-height:1.36;font-weight:700;color:var(--c-primary-deep);position:relative;padding-left:16px;}
.section-head h2::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:2px;background:var(--c-primary);}
.section-head p{margin-top:12px;font-size:16px;color:var(--c-ink-2);padding-left:16px;}

/* ---------- 看点时间轴 ---------- */
.timeline{position:relative;padding-left:28px;}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;border-radius:2px;background:linear-gradient(180deg,var(--c-primary) 0%,rgba(26,90,150,.16) 100%);}
.tl-item{position:relative;padding:0 0 26px 8px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{content:attr(data-step);position:absolute;left:-28px;top:2px;width:16px;height:16px;border-radius:50%;background:var(--c-surface);border:2px solid var(--c-primary);color:var(--c-primary);font-size:10px;font-weight:700;display:flex;align-items:center;justify-content:center;line-height:1;}
.tl-time{font-size:13px;color:var(--c-accent);font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:.02em;}
.tl-title{margin-top:4px;font-size:18px;font-weight:600;color:var(--c-ink);}
.tl-desc{margin-top:6px;font-size:15px;color:var(--c-ink-2);max-width:820px;}
.tl-link{display:inline-flex;align-items:center;gap:6px;margin-top:8px;font-size:14px;color:var(--c-primary);font-weight:600;}
.tl-link i{font-style:normal;transition:transform var(--t);}
.tl-link:hover i{transform:translateX(3px);}

/* ---------- 订阅条带 ---------- */
.sub-strip{background:var(--c-primary-soft);border-radius:var(--r-card);padding:32px;display:grid;grid-template-columns:1fr 460px;gap:32px;align-items:center;border:1px solid #D6E5F4;}
.sub-strip h2{font-size:24px;font-weight:700;color:var(--c-primary-deep);line-height:1.4;}
.sub-strip p{margin-top:10px;font-size:15px;color:var(--c-ink-2);}
.sub-form{background:var(--c-surface);border-radius:var(--r-card);box-shadow:var(--sh-2);padding:20px;}
.field-row{display:flex;gap:10px;}
.field-row input{flex:1;min-width:0;height:44px;border:1px solid var(--c-line);border-radius:var(--r-btn);padding:0 14px;background:var(--c-bg);transition:border-color var(--t),box-shadow var(--t),background var(--t);}
.field-row input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(26,90,150,.14);background:#fff;}
.field-row input.error{border-color:var(--c-danger);}
.check-row{margin-top:12px;display:flex;align-items:flex-start;gap:8px;font-size:13px;color:var(--c-ink-3);line-height:1.6;}
.check-row input{width:16px;height:16px;margin-top:3px;accent-color:var(--c-primary);flex-shrink:0;}
.form-msg{margin-top:10px;font-size:13px;display:none;}
.form-msg.ok{display:block;color:var(--c-success);}
.form-msg.err{display:block;color:var(--c-danger);}

/* ---------- Bento 入口矩阵 ---------- */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gut);}
.entry-card{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:24px;display:flex;flex-direction:column;transition:box-shadow var(--t),transform var(--t),border-color var(--t);}
.entry-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--c-primary-soft);}
.entry-icon{width:44px;height:44px;border-radius:12px;background:var(--c-primary-soft);display:flex;align-items:center;justify-content:center;color:var(--c-primary);font-weight:700;font-size:15px;margin-bottom:16px;}
.entry-card h3{font-size:20px;font-weight:600;color:var(--c-ink);line-height:1.4;}
.entry-card p{margin-top:10px;font-size:15px;color:var(--c-ink-2);}
.entry-foot{margin-top:auto;padding-top:18px;display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);}
.entry-foot i{font-style:normal;transition:transform var(--t);}
.entry-card:hover .entry-foot i{transform:translateX(3px);}
.bento-big{grid-column:span 7;min-height:210px;}
.bento-mid{grid-column:span 5;min-height:210px;}
.bento-small{grid-column:span 4;}
.entry-cover{border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/9;margin:-4px 0 18px;background:var(--c-primary-soft);}
.entry-cover img{width:100%;height:100%;object-fit:cover;}

/* ---------- 回放卡组 ---------- */
.rail-wrap{position:relative;}
.rail-wrap::after{content:"";position:absolute;right:0;top:0;bottom:14px;width:64px;background:linear-gradient(90deg,rgba(247,249,252,0) 0%,rgba(247,249,252,.96) 100%);pointer-events:none;}
.rail{display:flex;gap:20px;overflow-x:auto;padding-bottom:14px;scrollbar-width:thin;}
.rail::-webkit-scrollbar{height:6px;}
.rail::-webkit-scrollbar-thumb{background:#CFDCE8;border-radius:6px;}
.replay-card{flex:0 0 300px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow var(--t),transform var(--t);}
.replay-card:hover{box-shadow:var(--sh-3);transform:translateY(-2px);}
.replay-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-soft);}
.replay-media img{width:100%;height:100%;object-fit:cover;}
.replay-body{padding:16px 18px 18px;}
.replay-body h3{font-size:16px;font-weight:600;line-height:1.5;color:var(--c-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.replay-body p{margin-top:8px;font-size:14px;color:var(--c-ink-3);}
.rail-all{flex:0 0 auto;display:flex;}
.rail-all a{align-self:stretch;width:120px;border:1px dashed #C6D6E5;border-radius:var(--r-card);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;color:var(--c-primary);font-size:14px;font-weight:600;background:rgba(255,255,255,.6);transition:background var(--t),border-color var(--t);}
.rail-all a:hover{background:var(--c-primary-soft);border-color:var(--c-primary);}

/* ---------- 内容列表 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gut);}
.post-card{display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:22px;transition:box-shadow var(--t),transform var(--t),border-color var(--t);}
.post-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--c-primary-soft);}
.post-media{border-radius:var(--r-img);overflow:hidden;aspect-ratio:16/9;margin:-6px -6px 16px;background:var(--c-primary-soft);}
.post-media img{width:100%;height:100%;object-fit:cover;}
.post-title{margin-top:12px;font-size:17px;font-weight:600;line-height:1.55;color:var(--c-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-excerpt{margin-top:10px;font-size:14px;line-height:1.75;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-ink-3);font-variant-numeric:tabular-nums;}
.list-more{margin-top:32px;text-align:center;}
.empty-state{grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:12px;padding:56px 20px;background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);text-align:center;}
.empty-state svg{width:48px;height:48px;color:#C3D3E2;}
.empty-state p{font-size:15px;color:var(--c-ink-3);}

/* ---------- FAQ ---------- */
.faq{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;}
.faq-item + .faq-item{border-top:1px solid var(--c-line);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;padding:20px 24px;font-size:16px;font-weight:600;color:var(--c-ink);transition:color var(--t),background var(--t);}
.faq-q:hover{color:var(--c-primary);background:#FBFDFF;}
.faq-q .chev{flex-shrink:0;width:18px;height:18px;position:relative;transition:transform var(--t);}
.faq-q .chev::before,.faq-q .chev::after{content:"";position:absolute;left:50%;top:50%;background:var(--c-primary);border-radius:2px;}
.faq-q .chev::before{width:12px;height:2px;transform:translate(-50%,-50%);}
.faq-q .chev::after{width:2px;height:12px;transform:translate(-50%,-50%);transition:opacity var(--t);}
.faq-item.open .faq-q{color:var(--c-primary);}
.faq-item.open .chev{transform:rotate(180deg);}
.faq-item.open .chev::after{opacity:0;}
.faq-a{display:none;padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--c-ink-2);}
.faq-item.open{border-left:3px solid var(--c-primary);}
.faq-item{border-left:3px solid transparent;transition:border-color var(--t);}
.faq-item.open .faq-a{display:block;}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--c-primary-soft);border-top:1px solid #D9E7F4;padding:56px 0;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;}
.cta-inner h2{font-size:26px;font-weight:700;color:var(--c-primary-deep);line-height:1.4;}
.cta-inner p{margin-top:8px;font-size:15px;color:var(--c-ink-2);}

/* ---------- 页脚 ---------- */
.site-footer{background:#F2F6FA;border-top:1px solid var(--c-line);padding-top:56px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:32px;padding-bottom:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-name{font-size:17px;}
.footer-about{font-size:14px;line-height:1.8;color:var(--c-ink-2);max-width:300px;}
.footer-col h3{font-size:15px;font-weight:600;color:var(--c-ink);margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--c-ink-2);transition:color var(--t);}
.footer-col a:hover{color:var(--c-primary);}
.footer-sub p{font-size:14px;color:var(--c-ink-2);line-height:1.8;margin-bottom:14px;}
.footer-sub form{display:flex;gap:8px;}
.footer-sub input{flex:1;min-width:0;height:42px;border:1px solid var(--c-line);border-radius:var(--r-btn);padding:0 12px;background:#fff;transition:border-color var(--t),box-shadow var(--t);}
.footer-sub input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(26,90,150,.14);}
.footer-bottom{border-top:1px solid var(--c-line);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--c-ink-3);}
.footer-bottom a{color:var(--c-ink-3);}
.footer-bottom a:hover{color:var(--c-primary);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-channels{display:none;}
  .nav-toggle{display:flex;}
  .hero-left{grid-column:span 12;}
  .hero-right{grid-column:span 12;}
  h1.hero-title{font-size:32px;}
  .sub-strip{grid-template-columns:1fr;padding:26px;}
  .bento-big,.bento-mid{grid-column:span 12;}
  .bento-small{grid-column:span 6;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .section{padding:56px 0;}
}
@media (max-width:768px){
  :root{--nav-h:56px;--gut:16px;}
  .container{padding:0 16px;}
  .header-actions .btn-primary{display:none;}
  .search-pop{width:280px;right:-4px;}
  .hero{padding-top:calc(var(--nav-h) + 32px);padding-bottom:40px;}
  h1.hero-title{font-size:28px;line-height:1.34;}
  .hero-sub{font-size:16px;}
  .cd-cell{min-width:56px;}
  .cd-num{font-size:20px;}
  .cd-live{font-size:20px;}
  .hero-cta .btn{flex:1;}
  .section{padding:40px 0;}
  .section-head h2{font-size:22px;}
  .sub-strip h2{font-size:20px;}
  .field-row{flex-direction:column;}
  .field-row .btn{width:100%;}
  .bento-small{grid-column:span 12;}
  .post-grid{grid-template-columns:1fr;}
  .entry-card{padding:20px;}
  .post-card{padding:20px;}
  .replay-card{flex:0 0 250px;}
  .faq-q{padding:18px 20px;font-size:15px;}
  .faq-a{padding:0 20px 20px;}
  .cta-inner h2{font-size:21px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .cd-cells{gap:6px;}
  .cd-cell{min-width:48px;padding:6px 4px 5px;}
  .cd-num{font-size:20px;}
  .trust-item{font-size:12px;padding:0 10px;}
  .brand-name{font-size:15px;}
  .cover-bar{flex-direction:column;align-items:flex-start;gap:4px;}
}

/* roulang page: article */
:root{
  --c-primary:#1A5A96;
  --c-primary-deep:#0F3E6B;
  --c-primary-soft:#E8F1FA;
  --c-accent:#E2703A;
  --c-accent-soft:#FDEDE4;
  --c-ink:#17222E;
  --c-ink-2:#4A5A6A;
  --c-ink-3:#8595A5;
  --c-bg:#F7F9FC;
  --c-surface:#FFFFFF;
  --c-line:#E3EAF1;
  --c-success:#2F9E6B;
  --c-danger:#D0453A;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,42,67,.05);
  --sh-2:0 8px 24px rgba(16,42,67,.08);
  --sh-3:0 16px 40px rgba(16,42,67,.12);
  --maxw:1200px;
  --t:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color var(--t);}
a:hover{color:var(--c-primary);}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid rgba(26,90,150,.4);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;white-space:nowrap;
  transition:background var(--t),color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-ghost{background:var(--c-surface);color:var(--c-primary);border:1px solid var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1);}
.btn-accent:hover{background:#C95F2C;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:600;font-size:15px;}
.btn-text::after{content:"→";transition:transform var(--t);}
.btn-text:hover{color:var(--c-primary-deep);}
.btn-text:hover::after{transform:translateX(2px);}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--c-surface);
  border-bottom:1px solid var(--c-line);transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px;
}
.nav-left{display:flex;align-items:center;gap:32px;min-width:0;}
.nav-right{display:flex;align-items:center;gap:12px;}
.brand{display:flex;align-items:center;gap:10px;}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));
  color:#fff;font-size:13px;font-weight:700;letter-spacing:.04em;
  display:flex;align-items:center;justify-content:center;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:18px;font-weight:700;color:var(--c-primary-deep);letter-spacing:.01em;white-space:nowrap;}
.brand-sub{font-size:12px;color:var(--c-ink-3);letter-spacing:.02em;}
.nav-channels{display:flex;align-items:center;gap:26px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:64px;
  font-size:15px;font-weight:500;color:var(--c-ink-2);
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:16px;transform:translateX(-50%);
  width:0;height:2px;background:var(--c-primary);transition:width var(--t);
}
.nav-link:hover{color:var(--c-primary);}
.nav-link:hover::after{width:20px;}
.nav-link.active{color:var(--c-primary);font-weight:600;}
.nav-link.active::after{width:20px;}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-btn);border:1px solid var(--c-line);background:var(--c-surface);
  color:var(--c-ink-2);transition:border-color var(--t),color var(--t),background var(--t);
}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft);}
.nav-toggle{display:none;}
.search-pop{
  position:absolute;right:24px;top:72px;width:320px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-2);
  padding:16px;display:none;
}
.search-pop.open{display:block;}
.search-pop p{font-size:13px;color:var(--c-ink-3);margin-bottom:10px;}
.search-field{display:flex;gap:8px;}
.search-field input{
  flex:1;height:44px;padding:0 12px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:#fff;font-size:14px;transition:border-color var(--t),box-shadow var(--t);
}
.search-field input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(26,90,150,.14);}
.mobile-panel{
  display:none;background:var(--c-surface);border-bottom:1px solid var(--c-line);
  box-shadow:var(--sh-2);padding:8px 0 16px;
}
.mobile-panel.open{display:block;animation:panelIn 200ms ease-out;}
@keyframes panelIn{from{opacity:0;transform:translateY(-8px);}to{opacity:1;transform:translateY(0);}}
.mobile-panel a{display:block;line-height:48px;padding:0 24px;font-size:16px;color:var(--c-ink-2);border-bottom:1px solid var(--c-line);}
.mobile-panel a.active{color:var(--c-primary);font-weight:600;background:var(--c-primary-soft);}
.mobile-panel .mp-cta{margin:14px 24px 0;}

/* ===== 面包屑 ===== */
.crumbs{
  padding:24px 0 0;font-size:13px;color:var(--c-ink-3);display:flex;flex-wrap:wrap;gap:6px;align-items:center;
}
.crumbs a{color:var(--c-ink-3);}
.crumbs a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.crumbs span.sep{color:#C3CFDB;}
.crumbs .current{color:var(--c-ink-2);}

/* ===== 文章头部 ===== */
.article-head{padding:20px 0 0;}
.article-title{
  font-size:32px;line-height:44px;font-weight:700;color:var(--c-ink);
  letter-spacing:-.01em;max-width:900px;
}
.article-meta{
  margin-top:14px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:14px;color:var(--c-ink-3);
}
.badge-cat{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:12px;font-weight:600;border-radius:6px;letter-spacing:.02em;
}
.article-meta .dot{color:#C3CFDB;}
.article-cover{
  margin-top:24px;border-radius:var(--r-img);overflow:hidden;
  aspect-ratio:16/9;background:var(--c-primary-soft);border:1px solid var(--c-line);
}
.article-cover img{width:100%;height:100%;object-fit:cover;}

/* ===== 两栏布局 ===== */
.layout-two{
  display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:40px;
  padding:40px 0 0;align-items:start;
}
.layout-two > *{min-width:0;}
.article-body{
  font-size:16px;line-height:1.9;color:var(--c-ink-2);
  max-width:740px;
}
.article-body > p{margin:0 0 1.35em;}
.article-body h2{
  position:relative;margin:36px 0 16px;padding-left:14px;
  font-size:24px;line-height:34px;font-weight:700;color:var(--c-ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  background:var(--c-primary);border-radius:2px;
}
.article-body h3{margin:28px 0 12px;font-size:20px;line-height:28px;font-weight:600;color:var(--c-ink);}
.article-body h4{margin:22px 0 10px;font-size:17px;font-weight:600;color:var(--c-ink);}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(26,90,150,.35);}
.article-body a:hover{color:var(--c-primary-deep);border-bottom-color:var(--c-primary-deep);}
.article-body strong{color:var(--c-ink);font-weight:600;}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;background:var(--c-primary-soft);
  border-left:4px solid var(--c-primary);border-radius:0 var(--r-btn) var(--r-btn) 0;
  color:var(--c-ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul,.article-body ol{margin:0 0 1.35em;padding-left:4px;}
.article-body ul li,.article-body ol li{position:relative;padding-left:24px;margin-bottom:10px;}
.article-body ul li::before{
  content:"";position:absolute;left:6px;top:13px;width:6px;height:6px;
  border-radius:50%;background:var(--c-primary);
}
.article-body ol{counter-reset:li;}
.article-body ol li{counter-increment:li;}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:2px;
  width:18px;height:18px;border-radius:50%;background:var(--c-primary-soft);
  color:var(--c-primary);font-size:12px;font-weight:700;line-height:18px;text-align:center;
}
.article-body img{border-radius:var(--r-img);margin:24px auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:14px;line-height:22px;color:var(--c-ink-3);text-align:center;margin-top:10px;}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  border:1px solid var(--c-line);border-radius:var(--r-btn);overflow:hidden;
}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--c-line);text-align:left;}
.article-body thead th{background:var(--c-primary-soft);color:var(--c-primary-deep);font-weight:600;}
.article-body tbody tr:nth-child(even){background:#FAFCFE;}
.article-body code{
  background:var(--c-primary-soft);color:var(--c-primary-deep);
  padding:2px 6px;border-radius:6px;font-size:14px;
}
.article-body hr{border:none;border-top:1px solid var(--c-line);margin:32px 0;}

/* ===== 空态 ===== */
.empty-state{
  padding:64px 24px;text-align:center;background:var(--c-surface);
  border:1px dashed var(--c-line);border-radius:var(--r-card);
}
.empty-state .ico{
  width:48px;height:48px;margin:0 auto 16px;border-radius:14px;
  border:2px solid var(--c-primary-soft);position:relative;
}
.empty-state .ico::after{
  content:"";position:absolute;left:12px;right:12px;bottom:16px;height:2px;background:var(--c-primary-soft);
}
.empty-state p{color:var(--c-ink-2);margin-bottom:18px;}

/* ===== 标签 ===== */
.tag-block{margin-top:36px;padding-top:24px;border-top:1px solid var(--c-line);}
.tag-block h3{font-size:14px;font-weight:600;color:var(--c-ink-3);margin-bottom:12px;letter-spacing:.04em;}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  background:var(--c-primary-soft);color:var(--c-primary);
  border-radius:var(--r-pill);font-size:13px;font-weight:500;
  transition:background var(--t),color var(--t);
}
.tag:hover{background:var(--c-primary);color:#fff;}

/* ===== 上下篇 ===== */
.pager{margin-top:32px;display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.pager a{
  display:block;padding:18px 20px;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.pager a:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--c-primary-soft);}
.pager .p-label{font-size:12px;color:var(--c-ink-3);letter-spacing:.04em;margin-bottom:6px;}
.pager .p-title{font-size:15px;font-weight:600;color:var(--c-ink);}
.pager .right{text-align:right;}

/* ===== 侧栏 ===== */
.side{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px;box-shadow:var(--sh-1);
}
.side-card h3{
  font-size:14px;font-weight:700;color:var(--c-ink);letter-spacing:.04em;
  padding-bottom:12px;border-bottom:1px solid var(--c-line);margin-bottom:12px;
}
.side-list li a{
  display:flex;align-items:center;gap:10px;min-height:44px;
  padding:8px 10px;border-radius:var(--r-btn);font-size:14px;color:var(--c-ink-2);
  transition:background var(--t),color var(--t);
}
.side-list li a:hover{background:var(--c-bg);color:var(--c-primary);}
.side-list li a .idx{
  flex:0 0 24px;height:22px;border-radius:6px;background:var(--c-primary-soft);
  color:var(--c-primary);font-size:12px;font-weight:700;line-height:22px;text-align:center;
}
.side-list li a .arrow{margin-left:auto;color:#C3CFDB;font-size:14px;}
.side-sub p{font-size:13px;color:var(--c-ink-2);line-height:1.7;margin-bottom:12px;}
.side-sub form{display:flex;flex-direction:column;gap:10px;}
.side-sub input{
  height:44px;padding:0 12px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  background:#fff;font-size:14px;transition:border-color var(--t),box-shadow var(--t);
}
.side-sub input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(26,90,150,.14);}
.form-msg{font-size:13px;line-height:20px;}
.form-msg.ok{color:var(--c-success);}
.form-msg.err{color:var(--c-danger);}

/* ===== 相关推荐 ===== */
.section{padding:64px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px;}
.section-head h2{
  position:relative;padding-left:14px;font-size:26px;line-height:36px;font-weight:700;color:var(--c-ink);
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;
  background:var(--c-primary);border-radius:2px;
}
.section-head p{font-size:14px;color:var(--c-ink-3);margin-top:6px;padding-left:14px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:box-shadow var(--t),transform var(--t),border-color var(--t);
}
.card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--c-primary-soft);}
.card-thumb{position:relative;aspect-ratio:16/9;background:var(--c-primary-soft);overflow:hidden;}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease-out;}
.card:hover .card-thumb img{transform:scale(1.03);}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:17px;line-height:26px;font-weight:600;color:var(--c-ink);}
.card-body p{font-size:14px;line-height:24px;color:var(--c-ink-2);}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-ink-3);}

/* ===== CTA 带 ===== */
.cta-band{margin-top:72px;padding:56px 0;background:var(--c-primary-soft);border-top:1px solid var(--c-line);}
.cta-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
}
.cta-inner h2{font-size:26px;line-height:36px;font-weight:700;color:var(--c-primary-deep);}
.cta-inner p{margin-top:8px;font-size:15px;color:var(--c-ink-2);max-width:620px;}

/* ===== 页脚 ===== */
.site-footer{margin-top:0;background:#F2F6FA;border-top:1px solid var(--c-line);padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-about{font-size:14px;line-height:24px;color:var(--c-ink-2);max-width:320px;}
.footer-col h3{font-size:15px;font-weight:700;color:var(--c-ink);margin-bottom:14px;}
.footer-col ul li a{
  display:inline-block;line-height:32px;font-size:14px;color:var(--c-ink-2);
}
.footer-col ul li a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.footer-sub p{font-size:14px;line-height:22px;color:var(--c-ink-2);margin-bottom:12px;}
.footer-sub form{display:flex;gap:8px;}
.footer-sub input{
  flex:1;min-width:0;height:44px;padding:0 12px;border:1px solid var(--c-line);
  border-radius:var(--r-btn);background:#fff;font-size:14px;
  transition:border-color var(--t),box-shadow var(--t);
}
.footer-sub input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(26,90,150,.14);}
.footer-bottom{
  margin-top:40px;padding:20px 0;border-top:1px solid var(--c-line);
  display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;
  font-size:13px;color:var(--c-ink-3);
}
.footer-bottom a{color:var(--c-ink-3);}
.footer-bottom a:hover{color:var(--c-primary);}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .layout-two{grid-template-columns:minmax(0,1fr);gap:32px;padding-top:32px;}
  .side{position:static;flex-direction:row;flex-wrap:wrap;}
  .side-card{flex:1 1 260px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .article-title{font-size:28px;line-height:38px;}
  .section{padding-top:56px;}
}
@media (max-width:900px){
  .nav-channels{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-left{gap:16px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .grid-3{grid-template-columns:1fr;}
  .pager{grid-template-columns:1fr;}
  .cta-band{padding:40px 0;margin-top:56px;}
  .cta-inner h2{font-size:22px;line-height:32px;}
  .section{padding-top:40px;}
  .section-head h2{font-size:22px;line-height:32px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .article-body h2{font-size:21px;line-height:31px;}
  .search-pop{right:16px;left:16px;width:auto;top:64px;}
}
@media (max-width:640px){
  .header-inner{height:56px;}
  .nav-link{height:56px;}
  .nav-link::after{bottom:12px;}
  .brand-name{font-size:16px;}
  .brand-sub{font-size:11px;}
  .article-title{font-size:24px;line-height:34px;}
  .article-meta{font-size:13px;}
  .article-head{padding-top:14px;}
  .article-body{font-size:16px;}
  .footer-sub form{flex-direction:column;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#1A5A96;
  --c-primary-deep:#0F3E6B;
  --c-primary-soft:#E8F1FA;
  --c-accent:#E2703A;
  --c-accent-soft:#FDEDE4;
  --c-ink:#17222E;
  --c-ink-2:#4A5A6A;
  --c-ink-3:#8595A5;
  --c-bg:#F7F9FC;
  --c-surface:#FFFFFF;
  --c-line:#E3EAF1;
  --c-success:#2F9E6B;
  --c-danger:#D0453A;
  --shadow-1:0 1px 2px rgba(16,42,67,.05);
  --shadow-2:0 8px 24px rgba(16,42,67,.08);
  --shadow-3:0 16px 40px rgba(16,42,67,.12);
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid rgba(26,90,150,.4);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1)}
.header-inner{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));
  color:#fff;font-size:13px;font-weight:700;letter-spacing:.02em;
  display:grid;place-items:center;
}
.brand-text{display:flex;flex-direction:column;line-height:1.18}
.brand-name{font-size:18px;font-weight:700;color:var(--c-primary-deep)}
.brand-sub{font-size:12px;color:var(--c-ink-3)}
.nav-channels{display:flex;align-items:center;gap:28px;margin-left:16px}
.nav-link{position:relative;font-size:15px;color:var(--c-ink-2);padding:6px 0;transition:color .2s ease-out}
.nav-link:hover{color:var(--c-primary)}
.nav-link.active{color:var(--c-primary);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:-6px;width:20px;height:2px;border-radius:2px;background:var(--c-primary);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.search{position:relative}
.search input{
  height:38px;width:210px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  padding:0 14px 0 38px;background:#fff;font-size:14px;color:var(--c-ink);
  transition:border-color .2s ease-out, box-shadow .2s ease-out;
}
.search input::placeholder{color:var(--c-ink-3)}
.search input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(26,90,150,.14)}
.search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--c-ink-3);pointer-events:none}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);border:1px solid var(--c-line);
  background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);transition:transform .2s ease-out}
.mobile-panel{display:none}
.mobile-panel.open{display:block;animation:panelIn .2s ease-out;border-top:1px solid var(--c-line);background:#fff;padding:6px 0 14px}
@keyframes panelIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.mobile-panel a{display:block;padding:0 24px;height:48px;line-height:48px;font-size:15px;color:var(--c-ink-2)}
.mobile-panel a.active{color:var(--c-primary);font-weight:600;background:var(--c-primary-soft)}
.mobile-panel .mobile-search{padding:10px 24px 4px}
.mobile-panel .mobile-search input{width:100%;height:42px;border:1px solid var(--c-line);border-radius:var(--r-btn);padding:0 14px;font-size:14px;background:#fff}

/* ---------- 按钮 ---------- */
.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;cursor:pointer;
  transition:background .2s ease-out, color .2s ease-out, box-shadow .2s ease-out, transform .2s ease-out, border-color .2s ease-out;
  white-space:nowrap;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:#C85F2D;transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-soft)}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;background:none;border:none;padding:0;
  color:var(--c-primary);font-weight:600;font-size:15px;cursor:pointer;
}
.btn-link .arrow{transition:transform .2s ease-out}
.btn-link:hover .arrow{transform:translateX(2px)}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0}
.section-white{background:#fff}
.section-head{margin-bottom:40px;max-width:780px}
.section-head h2{
  display:flex;align-items:center;gap:12px;
  font-size:28px;line-height:1.35;font-weight:700;color:var(--c-primary-deep);
}
.section-head h2::before{content:"";width:4px;height:22px;border-radius:2px;background:var(--c-primary);flex:0 0 auto}
.section-head p{margin-top:14px;font-size:16px;line-height:1.85;color:var(--c-ink-2)}

.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);
  transition:box-shadow .2s ease-out, transform .2s ease-out, border-color .2s ease-out;
}
.card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:var(--c-primary-soft)}

.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:6px;
  font-size:12px;font-weight:500;letter-spacing:.02em;white-space:nowrap;
}
.badge-primary{background:var(--c-primary-soft);color:var(--c-primary)}
.badge-accent{background:var(--c-accent-soft);color:#B4522A}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:6px;
  background:var(--c-bg);border:1px solid var(--c-line);font-size:12px;color:var(--c-ink-2);
}
.img-16x9{position:relative;width:100%;aspect-ratio:16/9;border-radius:var(--r-img);overflow:hidden;background:var(--c-primary-soft)}
.img-16x9 img{width:100%;height:100%;object-fit:cover}

/* ---------- 页面头部 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:#fff;border-bottom:1px solid var(--c-line);
  padding:48px 0 52px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  opacity:.10;filter:saturate(.55);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-3);margin-bottom:18px}
.breadcrumb a{color:var(--c-ink-3);transition:color .2s ease-out}
.breadcrumb a:hover{color:var(--c-primary);text-decoration:underline}
.breadcrumb .sep{color:#C6D2DE}
.page-hero h1{
  font-size:40px;line-height:1.22;font-weight:700;color:var(--c-primary-deep);
  letter-spacing:-.01em;max-width:900px;
}
.page-hero .lede{
  margin-top:18px;max-width:830px;font-size:17px;line-height:1.9;color:var(--c-ink-2);
}
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.filter-pill{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:999px;
  background:#fff;border:1px solid var(--c-line);font-size:14px;color:var(--c-ink-2);
  transition:border-color .2s ease-out, color .2s ease-out, background .2s ease-out;
}
.filter-pill:hover{border-color:var(--c-primary);color:var(--c-primary)}
.filter-pill.active{background:var(--c-primary);border-color:var(--c-primary);color:#fff}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:44px}
.timeline::before{
  content:"";position:absolute;left:11px;top:12px;bottom:12px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--c-primary),#CBE0F3);
}
.tl-item{position:relative;margin-bottom:22px}
.tl-item:last-child{margin-bottom:0}
.tl-node{
  position:absolute;left:-44px;top:20px;width:24px;height:24px;border-radius:50%;
  background:#fff;border:2px solid var(--c-primary);color:var(--c-primary);
  font-size:11px;font-weight:700;display:grid;place-items:center;
  font-variant-numeric:tabular-nums;box-shadow:0 0 0 4px var(--c-bg);
}
.tl-card{padding:24px}
.tl-top{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:12px}
.tl-time{font-size:13px;color:var(--c-ink-3);font-variant-numeric:tabular-nums}
.tl-card h3{font-size:19px;line-height:1.5;font-weight:600;color:var(--c-primary-deep)}
.tl-card p{margin-top:10px;font-size:15px;line-height:1.85;color:var(--c-ink-2)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}

/* ---------- 提醒渠道 ---------- */
.channel-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.channel-item{
  display:flex;gap:16px;padding:24px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--shadow-1);
  transition:box-shadow .2s ease-out, transform .2s ease-out, border-color .2s ease-out;
}
.channel-item:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:var(--c-primary-soft)}
.channel-ico{
  width:42px;height:42px;flex:0 0 auto;border-radius:10px;
  background:var(--c-primary-soft);color:var(--c-primary);
  display:grid;place-items:center;
}
.channel-item h3{font-size:17px;font-weight:600;color:var(--c-primary-deep);line-height:1.5}
.channel-item p{margin-top:8px;font-size:14px;line-height:1.8;color:var(--c-ink-2)}

/* ---------- 适用场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.scene-card{overflow:hidden}
.scene-card .img-16x9{border-radius:var(--r-card) var(--r-card) 0 0}
.scene-body{padding:24px}
.scene-body h3{font-size:20px;font-weight:600;color:var(--c-primary-deep);line-height:1.5}
.scene-body p{margin-top:10px;font-size:15px;line-height:1.85;color:var(--c-ink-2)}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.step{padding:24px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--shadow-1);
  transition:box-shadow .2s ease-out, transform .2s ease-out, border-color .2s ease-out;}
.step:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:var(--c-primary-soft)}
.step-num{
  width:36px;height:36px;border-radius:10px;background:var(--c-primary);color:#fff;
  font-size:15px;font-weight:700;display:grid;place-items:center;margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;font-weight:600;color:var(--c-primary-deep);line-height:1.5}
.step p{margin-top:8px;font-size:14px;line-height:1.8;color:var(--c-ink-2)}

/* ---------- FAQ ---------- */
.acc-group{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.acc-item{border-bottom:1px solid var(--c-line);transition:background .2s ease-out, box-shadow .2s ease-out}
.acc-item:last-child{border-bottom:none}
.acc-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:none;border:none;text-align:left;
  font-size:16px;font-weight:600;color:var(--c-ink);cursor:pointer;
  transition:color .2s ease-out, background .2s ease-out;
}
.acc-q:hover{color:var(--c-primary);background:#FBFCFE}
.acc-icon{flex:0 0 auto;width:20px;height:20px;position:relative;transition:transform .2s ease-out;color:currentColor}
.acc-icon::before,.acc-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px}
.acc-icon::before{left:4px;right:4px;top:9px;height:2px}
.acc-icon::after{top:4px;bottom:4px;left:9px;width:2px;transition:transform .2s ease-out}
.acc-item.open{background:#FBFCFE;box-shadow:inset 3px 0 0 var(--c-primary)}
.acc-item.open .acc-q{color:var(--c-primary)}
.acc-item.open .acc-icon::after{transform:scaleY(0)}
.acc-a{max-height:0;overflow:hidden;transition:max-height .28s ease-out}
.acc-item.open .acc-a{max-height:420px}
.acc-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--c-ink-2)}

/* ---------- 底部 CTA ---------- */
.cta-band{
  background:var(--c-primary-soft);
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
  padding:56px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:26px;line-height:1.4;font-weight:700;color:var(--c-primary-deep)}
.cta-inner p{margin-top:10px;font-size:15px;line-height:1.8;color:var(--c-ink-2);max-width:640px}

/* ---------- 页脚 ---------- */
.site-footer{background:#F2F6FA;border-top:1px solid var(--c-line);padding:56px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-about{font-size:14px;line-height:1.85;color:var(--c-ink-2);max-width:340px}
.footer-col h3{font-size:15px;font-weight:600;color:var(--c-primary-deep);margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:var(--c-ink-2);transition:color .2s ease-out}
.footer-col ul a:hover{color:var(--c-primary)}
.footer-sub p{font-size:14px;line-height:1.75;color:var(--c-ink-2);margin-bottom:12px}
#footerSubForm{display:flex;gap:8px}
#footerSubForm input{
  flex:1;min-width:0;height:38px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  padding:0 12px;font-size:14px;background:#fff;color:var(--c-ink);
  transition:border-color .2s ease-out, box-shadow .2s ease-out;
}
#footerSubForm input::placeholder{color:var(--c-ink-3)}
#footerSubForm input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(26,90,150,.14)}
.form-msg{font-size:13px;line-height:1.6}
.form-msg.ok{color:var(--c-success)}
.form-msg.err{color:var(--c-danger)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;align-items:center;
  margin-top:44px;padding-top:20px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-ink-3);
}
.footer-bottom a{color:var(--c-ink-3);transition:color .2s ease-out}
.footer-bottom a:hover{color:var(--c-primary)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .header-inner{height:56px;gap:16px}
  .nav-channels{display:none}
  .search{display:none}
  .nav-toggle{display:flex}
  .section{padding:56px 0}
  .page-hero{padding:36px 0 40px}
  .page-hero h1{font-size:32px}
  .page-hero .lede{font-size:16px}
  .scene-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (min-width:1024px){
  .mobile-panel{display:none !important}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:40px 0}
  .section-head{margin-bottom:28px}
  .section-head h2{font-size:22px}
  .page-hero h1{font-size:28px;line-height:1.35}
  .channel-list{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .tl-card{padding:20px}
  .channel-item{padding:20px}
  .scene-body{padding:20px}
  .step{padding:20px}
  .acc-q{padding:18px 20px;font-size:15px}
  .acc-a-inner{padding:0 20px 20px}
  .timeline{padding-left:38px}
  .timeline::before{left:9px}
  .tl-node{left:-38px;width:22px;height:22px;top:18px}
  .cta-band{padding:40px 0}
  .cta-inner h2{font-size:21px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{justify-content:flex-start}
}

/* roulang page: category2 */
:root{
  --c-primary:#1A5A96;
  --c-primary-deep:#0F3E6B;
  --c-primary-soft:#E8F1FA;
  --c-accent:#E2703A;
  --c-accent-soft:#FDEDE4;
  --c-ink:#17222E;
  --c-ink-2:#4A5A6A;
  --c-ink-3:#8595A5;
  --c-bg:#F7F9FC;
  --c-surface:#FFFFFF;
  --c-line:#E3EAF1;
  --c-success:#2F9E6B;
  --c-danger:#D0453A;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,42,67,.05);
  --sh-2:0 8px 24px rgba(16,42,67,.08);
  --sh-3:0 16px 40px rgba(16,42,67,.12);
  --ease:200ms ease-out;
  --nav-h:64px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
:focus-visible{outline:2px solid rgba(26,90,150,.4);outline-offset:2px}

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}
.btn-primary:hover{background:var(--c-primary-deep);border-color:var(--c-primary-deep);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-outline{background:var(--c-surface);color:var(--c-primary);border-color:var(--c-primary)}
.btn-outline:hover{background:var(--c-primary-soft)}
.btn-accent{background:var(--c-accent);color:#fff;border-color:var(--c-accent)}
.btn-accent:hover{background:#C95F2C;border-color:#C95F2C;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-lg{height:48px;padding:0 26px;font-size:16px}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);
  font-size:15px;font-weight:600;background:none;border:0;padding:0;cursor:pointer;
}
.btn-text .arrow{transition:transform var(--ease)}
.btn-text:hover .arrow{transform:translateX(2px)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 标签与徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 10px;border-radius:6px;
  font-size:12px;font-weight:500;line-height:18px;letter-spacing:.02em;
}
.badge-cat{background:var(--c-primary-soft);color:var(--c-primary)}
.badge-soft{background:var(--c-bg);color:var(--c-ink-2);border:1px solid var(--c-line)}
.badge-live{background:var(--c-accent);color:#fff;border-radius:var(--r-pill);padding:4px 12px}
.badge-live::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff;animation:pulse 1.6s ease-in-out infinite}
.badge-done{background:#EEF3F8;color:var(--c-ink-3)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.6}}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-line);
  font-size:13px;color:var(--c-ink-2);transition:all var(--ease);
}
.tag:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft)}
.tag.is-on{background:var(--c-primary);border-color:var(--c-primary);color:#fff}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:var(--nav-h);
}
.nav-left{display:flex;align-items:center;gap:32px;min-width:0}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--c-primary);color:#fff;
  display:grid;place-items:center;font-size:14px;font-weight:700;letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;justify-content:center}
.brand-name{font-size:18px;font-weight:700;line-height:1.15;color:var(--c-primary-deep);white-space:nowrap}
.brand-sub{font-size:12px;line-height:1.3;color:var(--c-ink-3);white-space:nowrap}
.nav-channels{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 12px;
  font-size:15px;color:var(--c-ink-2);border-radius:8px;
  transition:color var(--ease),background-color var(--ease);
}
.nav-link:hover{color:var(--c-primary);background:var(--c-primary-soft)}
.nav-link.active{color:var(--c-primary);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:20px;height:2px;border-radius:2px;background:var(--c-primary);
}
.nav-right{display:flex;align-items:center;gap:12px;position:relative}
.nav-search{display:flex;align-items:center;gap:0;position:relative}
.nav-search input{
  width:200px;height:40px;padding:0 42px 0 14px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);background:var(--c-bg);font-size:14px;
  transition:border-color var(--ease),box-shadow var(--ease),background-color var(--ease);
}
.nav-search input::placeholder{color:var(--c-ink-3)}
.nav-search input:focus{
  outline:none;background:#fff;border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(26,90,150,.15);
}
.nav-search button{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:32px;height:32px;border:0;background:none;border-radius:8px;
  display:grid;place-items:center;color:var(--c-ink-3);cursor:pointer;transition:color var(--ease);
}
.nav-search button:hover{color:var(--c-primary)}
.icon-btn{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--c-line);
  background:var(--c-surface);color:var(--c-ink-2);place-items:center;cursor:pointer;
  transition:all var(--ease);
}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft)}
.hamburger{display:none}
.search-pop{
  display:none;position:absolute;top:calc(100% + 10px);right:16px;width:320px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:16px;z-index:70;
}
.search-pop.open{display:block;animation:panelIn 200ms ease-out}
.search-pop input{
  width:100%;height:44px;border:1px solid var(--c-line);border-radius:var(--r-btn);
  padding:0 12px;font-size:14px;background:var(--c-bg);
}
.search-pop input:focus{outline:none;border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(26,90,150,.15)}
.search-pop .hint{margin-top:10px;font-size:13px;color:var(--c-ink-3)}
.mobile-panel{display:none;border-top:1px solid var(--c-line);background:var(--c-surface)}
.mobile-panel.open{display:block;animation:panelIn 200ms ease-out}
@keyframes panelIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
.mobile-panel nav{padding:8px 0}
.mobile-panel nav a{
  display:flex;align-items:center;height:48px;padding:0 24px;
  font-size:16px;color:var(--c-ink-2);border-bottom:1px solid var(--c-line);
}
.mobile-panel nav a.active{color:var(--c-primary);font-weight:600;background:var(--c-primary-soft)}
.mobile-panel .panel-cta{padding:16px 24px 20px;display:flex;gap:12px}

/* ---------- 页面横幅 ---------- */
.page-banner{
  position:relative;padding:56px 0 48px;
  background:
    linear-gradient(180deg,rgba(247,249,252,.92) 0%,rgba(247,249,252,.97) 60%,rgba(247,249,252,1) 100%),
    url('/assets/images/backpic/back-2.webp') center 30%/cover no-repeat;
  border-bottom:1px solid var(--c-line);
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--c-ink-3);margin-bottom:18px;
}
.breadcrumb a{color:var(--c-ink-3);transition:color var(--ease)}
.breadcrumb a:hover{color:var(--c-primary);text-decoration:underline}
.breadcrumb .sep{color:#C3CEDA}
.breadcrumb .current{color:var(--c-ink-2)}
.page-banner h1{
  font-size:40px;line-height:1.2;font-weight:700;letter-spacing:-.01em;
  color:var(--c-primary-deep);max-width:760px;
}
.banner-lead{
  margin-top:16px;max-width:760px;font-size:16px;line-height:1.85;color:var(--c-ink-2);
}
.banner-meta{
  display:flex;flex-wrap:wrap;gap:10px 16px;margin-top:22px;
  font-size:13px;color:var(--c-ink-3);
}
.banner-meta span{display:inline-flex;align-items:center;gap:6px}
.banner-meta .dot{width:6px;height:6px;border-radius:50%;background:var(--c-primary-soft);border:1px solid #BFD6EA}
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0}
.section-alt{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{
  position:relative;padding-left:14px;
  font-size:28px;line-height:1.3;font-weight:700;color:var(--c-primary-deep);
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--c-primary);
}
.section-head p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--c-ink-2)}
.section-head .head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* ---------- 双列大图卡 ---------- */
.card-grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.feature-card{
  display:flex;flex-direction:column;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#CFE3F5}
.feature-media{
  position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-soft);
}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease-out}
.feature-card:hover .feature-media img{transform:scale(1.03)}
.feature-media .badge-live{position:absolute;left:14px;top:14px}
.feature-media .duration{
  position:absolute;right:12px;bottom:12px;padding:3px 9px;border-radius:8px;
  background:rgba(23,34,46,.72);color:#fff;font-size:12px;font-variant-numeric:tabular-nums;
}
.feature-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.feature-body h3{font-size:20px;line-height:1.4;font-weight:600;color:var(--c-ink)}
.feature-body .desc{
  font-size:14px;line-height:1.8;color:var(--c-ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.feature-tags{display:flex;flex-wrap:wrap;gap:8px}
.feature-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;margin-top:auto;
  padding-top:16px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-ink-3);font-variant-numeric:tabular-nums;
}
.feature-meta .sep{color:#C3CEDA}
.feature-card:hover .btn-text .arrow{transform:translateX(2px)}

/* ---------- 时段分布 ---------- */
.rate-block{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
}
.rate-row{
  display:grid;grid-template-columns:110px 1fr 150px;gap:20px;align-items:center;
  padding:16px 0;border-bottom:1px dashed var(--c-line);
}
.rate-row:last-child{border-bottom:0}
.rate-label{font-size:15px;font-weight:600;color:var(--c-ink);font-variant-numeric:tabular-nums}
.rate-bar{height:8px;border-radius:var(--r-pill);background:var(--c-primary-soft);overflow:hidden}
.rate-bar span{display:block;height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,#1A5A96,#3B87C6)}
.rate-note{font-size:13px;color:var(--c-ink-3);text-align:right}
.rate-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:32px;align-items:start}
.aside-note{
  background:var(--c-primary-soft);border-radius:var(--r-card);padding:24px;
}
.aside-note h3{font-size:18px;font-weight:600;color:var(--c-primary-deep)}
.aside-note p{margin-top:10px;font-size:14px;line-height:1.85;color:var(--c-ink-2)}
.aside-list{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.aside-list li{
  display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.7;color:var(--c-ink-2);
}
.aside-list li::before{
  content:"";flex:none;width:6px;height:6px;margin-top:9px;border-radius:50%;background:var(--c-primary);
}

/* ---------- 准备清单 ---------- */
.check-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px}
.check-item{
  display:flex;gap:16px;align-items:flex-start;
  min-height:44px;padding:20px 0;border-bottom:1px solid var(--c-line);
}
.check-num{
  flex:none;width:28px;height:28px;border-radius:8px;
  background:var(--c-primary-soft);color:var(--c-primary);
  display:grid;place-items:center;font-size:13px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.check-item h3{font-size:16px;font-weight:600;color:var(--c-ink)}
.check-item p{margin-top:6px;font-size:14px;line-height:1.75;color:var(--c-ink-2)}

/* ---------- FAQ ---------- */
.faq{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.faq-item + .faq-item{border-top:1px solid var(--c-line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 24px;min-height:44px;background:none;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--c-ink);cursor:pointer;
  transition:color var(--ease),background-color var(--ease);
}
.faq-q:hover{color:var(--c-primary);background:var(--c-bg)}
.faq-icon{
  flex:none;width:20px;height:20px;color:var(--c-ink-3);
  transition:transform var(--ease),color var(--ease);
}
.faq-item.open .faq-q{color:var(--c-primary)}
.faq-item.open .faq-icon{transform:rotate(180deg);color:var(--c-primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease-out}
.faq-a-inner{
  padding:0 24px 20px;font-size:15px;line-height:1.8;color:var(--c-ink-2);
}
.faq-item.open .faq-a{max-height:420px}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--c-primary-soft);border-top:1px solid #D6E6F5;border-bottom:1px solid #D6E6F5}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  flex-wrap:wrap;padding:48px 0;
}
.cta-inner h2{font-size:26px;line-height:1.35;font-weight:700;color:var(--c-primary-deep)}
.cta-inner p{margin-top:10px;font-size:15px;line-height:1.75;color:var(--c-ink-2);max-width:640px}

/* ---------- 页脚 ---------- */
.site-footer{background:#F2F6FA;border-top:1px solid var(--c-line);padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.5fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-about{font-size:14px;line-height:1.8;color:var(--c-ink-2);max-width:320px}
.footer-col h3{font-size:15px;font-weight:600;color:var(--c-ink);margin-bottom:14px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul a{font-size:14px;color:var(--c-ink-2);transition:color var(--ease)}
.footer-col ul a:hover{color:var(--c-primary);text-decoration:underline}
.footer-sub p{font-size:14px;line-height:1.75;color:var(--c-ink-2)}
.footer-sub form{display:flex;gap:8px;margin-top:14px}
.footer-sub input{
  flex:1;min-width:0;height:44px;padding:0 12px;background:#fff;
  border:1px solid var(--c-line);border-radius:var(--r-btn);font-size:14px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.footer-sub input::placeholder{color:var(--c-ink-3)}
.footer-sub input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(26,90,150,.15)}
.form-msg{font-size:13px;line-height:1.6}
.form-msg.is-ok{color:var(--c-success)}
.form-msg.is-err{color:var(--c-danger)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;align-items:center;
  margin-top:48px;padding:20px 0 28px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-ink-3);
}
.footer-bottom a{color:var(--c-ink-3)}
.footer-bottom a:hover{color:var(--c-primary);text-decoration:underline}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .nav-search input{width:170px}
}
@media (max-width:1023px){
  :root{--nav-h:56px}
  .header-inner{gap:16px}
  .nav-left{gap:16px}
  .nav-channels{display:none}
  .nav-search{display:none}
  .nav-cta{display:none}
  .icon-btn{display:grid}
  .section{padding:56px 0}
  .page-banner{padding:40px 0 36px}
  .page-banner h1{font-size:32px}
  .rate-grid{grid-template-columns:1fr;gap:24px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .footer-about{max-width:none}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:40px 0}
  .section-head{margin-bottom:28px}
  .section-head h2{font-size:24px}
  .page-banner h1{font-size:28px;line-height:1.3}
  .banner-lead{font-size:15px}
  .card-grid-2{grid-template-columns:1fr;gap:20px}
  .feature-body{padding:20px}
  .check-list{grid-template-columns:1fr;gap:0}
  .rate-block{padding:20px}
  .rate-row{grid-template-columns:1fr;gap:8px;align-items:flex-start}
  .rate-note{text-align:left}
  .cta-inner{padding:36px 0}
  .cta-inner h2{font-size:22px}
  .faq-q{padding:16px 20px;font-size:15px}
  .faq-a-inner{padding:0 20px 18px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;margin-top:32px}
  .search-pop{right:12px;width:calc(100vw - 24px)}
}
@media (max-width:520px){
  .brand-name{font-size:16px}
  .brand-sub{font-size:11px}
  .banner-meta{flex-direction:column;gap:8px}
  .btn-lg{height:46px;padding:0 20px;font-size:15px}
}

/* roulang page: category3 */
:root{
  --c-primary:#1A5A96;
  --c-primary-deep:#0F3E6B;
  --c-primary-soft:#E8F1FA;
  --c-accent:#E2703A;
  --c-accent-soft:#FDEDE4;
  --c-ink:#17222E;
  --c-ink-2:#4A5A6A;
  --c-ink-3:#8595A5;
  --c-bg:#F7F9FC;
  --c-surface:#FFFFFF;
  --c-line:#E3EAF1;
  --c-success:#2F9E6B;
  --c-danger:#D0453A;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,42,67,.05);
  --sh-2:0 8px 24px rgba(16,42,67,.08);
  --sh-hover:0 16px 40px rgba(16,42,67,.12);
  --sec-y:80px;
  --gutter:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:var(--c-primary-deep);}
button{font:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;}
:focus-visible{outline:2px solid rgba(26,90,150,.4);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--gutter);}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 按钮体系 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;white-space:nowrap;
  transition:background-color .2s ease-out,color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{background:#C95F2C;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-ghost{background:var(--c-surface);color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-deep);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px;}
.btn:disabled,.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;}

/* ---------- 标签 / 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:6px;
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:12px;font-weight:500;letter-spacing:.02em;
}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-line);
  font-size:13.5px;color:var(--c-ink-2);
}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--c-primary);}
.link-arrow span{transition:transform .2s ease-out;}
.link-arrow:hover span{transform:translateX(2px);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.nav-split{display:flex;align-items:center;gap:28px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;flex:0 0 36px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));
  color:#fff;display:grid;place-items:center;font-size:14px;font-weight:700;letter-spacing:.04em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:18px;font-weight:700;color:var(--c-primary-deep);}
.brand-sub{font-size:12px;color:var(--c-ink-3);letter-spacing:.02em;}
.nav-channels{display:flex;align-items:center;gap:26px;}
.nav-link{position:relative;display:inline-block;padding:21px 0;font-size:15px;color:var(--c-ink-2);}
.nav-link:hover{color:var(--c-primary);}
.nav-link.active{color:var(--c-primary);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:13px;width:20px;height:2px;border-radius:2px;
  background:var(--c-primary);transform:translateX(-50%);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.nav-search{display:flex;align-items:center;}
.nav-search input{
  width:210px;height:40px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);background:var(--c-bg);color:var(--c-ink);font-size:14px;
  transition:border-color .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out;
}
.nav-search input::placeholder{color:var(--c-ink-3);}
.nav-search input:focus{outline:none;background:var(--c-surface);border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(26,90,150,.14);}
.search-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--c-line);background:var(--c-surface);border-radius:var(--r-btn);color:var(--c-ink-2);cursor:pointer;}
.search-toggle:hover{color:var(--c-primary);border-color:var(--c-primary-soft);}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--c-line);background:var(--c-surface);border-radius:var(--r-btn);color:var(--c-ink);cursor:pointer;}
.nav-toggle:hover{border-color:var(--c-primary-soft);color:var(--c-primary);}
.mobile-panel{display:none;background:var(--c-surface);border-top:1px solid var(--c-line);padding:6px 0 16px;}
.mobile-panel.is-open{display:block;animation:panelIn .2s ease-out;}
@keyframes panelIn{from{opacity:0;transform:translateY(-8px);}to{opacity:1;transform:translateY(0);}}
.m-link{display:block;height:48px;line-height:48px;padding:0 24px;font-size:16px;color:var(--c-ink-2);border-bottom:1px solid var(--c-line);}
.m-link:hover{background:var(--c-bg);color:var(--c-primary);}
.m-link.active{color:var(--c-primary);font-weight:600;background:var(--c-primary-soft);}
.m-search{padding:16px 24px 0;}
.m-search input{width:100%;height:44px;padding:0 14px;border-radius:var(--r-btn);border:1px solid var(--c-line);font-size:15px;}
.m-search input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(26,90,150,.14);}

/* ---------- 页面头部 ---------- */
.page-hero{
  position:relative;
  padding:48px 0 48px;
  background-color:var(--c-surface);
  background-image:linear-gradient(180deg,rgba(255,255,255,.93),rgba(255,255,255,.99)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center right;
  border-bottom:1px solid var(--c-line);
}
.breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--c-ink-3);margin-bottom:18px;}
.breadcrumb a{color:var(--c-ink-3);}
.breadcrumb a:hover{color:var(--c-primary);text-decoration:underline;}
.breadcrumb .sep{color:#C7D3DF;}
.page-hero h1{
  max-width:24ch;margin-bottom:16px;
  font-size:40px;line-height:1.22;font-weight:700;letter-spacing:-.01em;color:var(--c-primary-deep);
}
.page-hero .lede{max-width:880px;font-size:16.5px;line-height:1.9;color:var(--c-ink-2);}
.hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;margin-top:24px;}
.hero-meta .dot{width:4px;height:4px;border-radius:50%;background:#C7D3DF;display:inline-block;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-y) 0;}
.section--surface{background:var(--c-surface);}
.sec-head{max-width:780px;margin-bottom:40px;}
.sec-head h2{
  position:relative;padding-left:14px;margin-bottom:12px;
  font-size:28px;line-height:1.35;font-weight:700;color:var(--c-primary-deep);
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--c-primary);
}
.sec-head p{font-size:16px;line-height:1.85;color:var(--c-ink-2);}

/* ---------- 左右交错图文 ---------- */
.zig-list{display:flex;flex-direction:column;}
.zig-row{
  display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:center;
  padding:40px 0;
}
.zig-row:first-child{padding-top:0;}
.zig-row + .zig-row{border-top:1px solid var(--c-line);}
.zig-row:nth-child(even) .zig-media{order:2;}
.zig-row:nth-child(even) .zig-body{order:1;}
.zig-media{
  position:relative;overflow:hidden;border-radius:var(--r-img);
  border:1px solid var(--c-line);box-shadow:var(--sh-1);
  transition:box-shadow .2s ease-out,border-color .2s ease-out,transform .2s ease-out;
}
.zig-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .2s ease-out;}
.zig-row:hover .zig-media{border-color:var(--c-primary-soft);box-shadow:var(--sh-2);transform:translateY(-2px);}
.zig-row:hover .zig-media img{transform:scale(1.03);}
.duration{
  position:absolute;right:10px;bottom:10px;padding:3px 9px;border-radius:8px;
  background:rgba(23,34,46,.72);color:#fff;font-size:12px;letter-spacing:.02em;
  font-variant-numeric:tabular-nums;
}
.zig-body h3{margin:14px 0 10px;font-size:20px;line-height:1.45;font-weight:600;color:var(--c-ink);}
.zig-body p{margin-bottom:16px;font-size:15.5px;line-height:1.85;color:var(--c-ink-2);}

/* ---------- 快速定位列表 ---------- */
.quick-list{
  list-style:none;margin:0;padding:0;overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);
}
.quick-list li + li{border-top:1px solid var(--c-line);}
.quick-list a{
  display:flex;align-items:center;gap:16px;min-height:64px;padding:14px 24px;color:var(--c-ink);
  transition:background-color .2s ease-out;
}
.quick-list a:hover{background:var(--c-bg);color:var(--c-ink);}
.q-idx{flex:0 0 24px;width:24px;font-size:15px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;}
.q-main{flex:1;min-width:0;}
.q-main strong{display:block;font-size:16px;font-weight:600;line-height:1.5;}
.q-main em{font-style:normal;font-size:13.5px;color:var(--c-ink-3);line-height:1.6;}
.q-arrow{color:var(--c-ink-3);font-size:16px;transition:transform .2s ease-out,color .2s ease-out;}
.quick-list a:hover .q-arrow{transform:translateX(2px);color:var(--c-primary);}

/* ---------- 步骤卡 ---------- */
.steps{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--gutter);}
.step{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  transition:box-shadow .2s ease-out,border-color .2s ease-out,transform .2s ease-out;
}
.step:hover{box-shadow:var(--sh-2);border-color:var(--c-primary-soft);transform:translateY(-2px);}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:10px;
  background:var(--c-primary-soft);color:var(--c-primary);font-weight:700;font-size:14px;
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.step h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:8px;}
.step p{font-size:14.5px;line-height:1.8;color:var(--c-ink-2);}

/* ---------- FAQ ---------- */
.faq{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
}
.faq-item + .faq-item{border-top:1px solid var(--c-line);}
.faq-item.is-open{box-shadow:inset 0 0 0 1px var(--c-primary-soft);}
.faq-q{
  width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 24px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--c-ink);line-height:1.6;
  transition:color .2s ease-out;
}
.faq-q:hover{color:var(--c-primary);}
.faq-icon{flex:0 0 22px;width:22px;height:22px;color:var(--c-primary);transition:transform .2s ease-out;}
.faq-item.is-open .faq-icon{transform:rotate(180deg);}
.faq-a{display:none;padding:0 24px 22px;font-size:15px;line-height:1.8;color:var(--c-ink-2);}
.faq-item.is-open .faq-a{display:block;}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--c-primary-soft);
  border-top:1px solid var(--c-line);
  border-bottom:1px solid var(--c-line);
  padding:56px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{font-size:24px;line-height:1.4;font-weight:700;color:var(--c-primary-deep);margin-bottom:10px;}
.cta-inner p{font-size:15.5px;line-height:1.8;color:var(--c-ink-2);max-width:640px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#F2F6FA;border-top:1px solid var(--c-line);padding:56px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-about{font-size:14px;line-height:1.85;color:var(--c-ink-2);max-width:330px;}
.footer-col h3{font-size:15px;font-weight:600;color:var(--c-primary-deep);margin-bottom:14px;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--c-ink-2);}
.footer-col a:hover{color:var(--c-primary);text-decoration:underline;}
.footer-sub p{font-size:14px;line-height:1.8;color:var(--c-ink-2);margin-bottom:12px;}
.footer-sub form{display:flex;gap:8px;}
.footer-sub input{
  flex:1;min-width:0;height:44px;padding:0 12px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);background:var(--c-surface);font-size:14px;color:var(--c-ink);
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.footer-sub input::placeholder{color:var(--c-ink-3);}
.footer-sub input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(26,90,150,.14);}
.form-msg{font-size:13px;line-height:1.6;}
.form-msg.is-success{color:var(--c-success);}
.form-msg.is-error{color:var(--c-danger);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;align-items:center;
  margin-top:40px;padding-top:20px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-ink-3);
}
.footer-bottom a{color:var(--c-ink-3);}
.footer-bottom a:hover{color:var(--c-primary);text-decoration:underline;}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--sec-y:56px;}
  .nav-channels{display:none;}
  .nav-actions .btn{display:none;}
  .nav-split{height:56px;gap:14px;}
  .search-toggle{display:inline-flex;}
  .nav-toggle{display:inline-flex;}
  .nav-search{
    position:absolute;top:64px;right:16px;width:320px;max-width:calc(100vw - 32px);
    padding:12px;background:var(--c-surface);border:1px solid var(--c-line);
    border-radius:var(--r-card);box-shadow:var(--sh-2);display:none;
  }
  .nav-search.is-open{display:block;}
  .nav-search input{width:100%;background:var(--c-surface);}
  .page-hero{padding:36px 0 40px;}
  .zig-row{grid-template-columns:1fr;gap:20px;padding:32px 0;}
  .zig-row:nth-child(even) .zig-media,
  .zig-row:nth-child(even) .zig-body{order:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--sec-y:40px;--gutter:16px;}
  .page-hero h1{font-size:28px;line-height:1.35;max-width:none;}
  .page-hero .lede{font-size:15.5px;line-height:1.85;}
  .sec-head{margin-bottom:28px;}
  .sec-head h2{font-size:22px;}
  .sec-head p{font-size:15px;}
  .steps{grid-template-columns:1fr;}
  .step{padding:20px;}
  .quick-list a{padding:14px 18px;}
  .faq-q{padding:16px 18px;font-size:15.5px;}
  .faq-a{padding:0 18px 18px;font-size:14.5px;}
  .cta-band{padding:40px 0;}
  .cta-inner h2{font-size:20px;}
  .btn{height:44px;}
  .btn-sm{height:38px;}
  .brand-name{font-size:16px;}
  .brand-sub{font-size:11.5px;}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr;}
  .footer-sub form{flex-direction:column;}
  .footer-sub .btn{width:100%;}
  .hero-meta{gap:8px 10px;}
  .tag{height:30px;font-size:13px;}
}

/* roulang page: category4 */
:root{
  --c-primary:#1A5A96;
  --c-primary-deep:#0F3E6B;
  --c-primary-soft:#E8F1FA;
  --c-accent:#E2703A;
  --c-accent-soft:#FDEDE4;
  --c-ink:#17222E;
  --c-ink-2:#4A5A6A;
  --c-ink-3:#8595A5;
  --c-bg:#F7F9FC;
  --c-surface:#FFFFFF;
  --c-line:#E3EAF1;
  --c-success:#2F9E6B;
  --c-danger:#D0453A;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(16,42,67,.05);
  --shadow-2:0 8px 24px rgba(16,42,67,.08);
  --shadow-3:0 16px 40px rgba(16,42,67,.12);
  --nav-h:64px;
  --gutter:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.7;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid rgba(26,90,150,.4);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--gutter);}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.nav-inner{display:flex;align-items:center;gap:24px;height:var(--nav-h);}
.nav-left{display:flex;align-items:center;gap:28px;min-width:0;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-deep));
  color:#fff;font-size:13px;font-weight:700;letter-spacing:.02em;
  display:grid;place-items:center;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:700;color:var(--c-primary-deep);}
.brand-sub{font-size:12px;color:var(--c-ink-3);letter-spacing:.04em;}
.nav-channels{display:flex;align-items:center;gap:2px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:var(--nav-h);
  padding:0 12px;font-size:15px;color:var(--c-ink-2);
  transition:color .2s ease-out;
}
.nav-link:hover{color:var(--c-primary);}
.nav-link.active{color:var(--c-primary);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:14px;transform:translateX(-50%);
  width:20px;height:2px;border-radius:2px;background:var(--c-primary);
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search{position:relative;}
.search svg{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:var(--c-ink-3);}
.search input{
  width:200px;height:38px;padding:0 12px 0 34px;
  border:1px solid var(--c-line);border-radius:var(--radius-btn);
  background:var(--c-bg);font-size:14px;color:var(--c-ink);
  transition:border-color .2s ease-out,background .2s ease-out,box-shadow .2s ease-out;
}
.search input::placeholder{color:var(--c-ink-3);}
.search input:focus{outline:none;border-color:var(--c-primary);background:#fff;box-shadow:0 0 0 3px rgba(26,90,150,.12);}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line);border-radius:var(--radius-btn);
  background:#fff;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:4px;
  transition:border-color .2s ease-out;
}
.menu-toggle:hover{border-color:var(--c-primary);}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--c-ink);}
.mobile-panel{display:none;border-top:1px solid var(--c-line);background:#fff;box-shadow:var(--shadow-2);}
.mobile-panel.open{display:block;animation:paneIn .2s ease-out;}
@keyframes paneIn{from{opacity:0;transform:translateY(-8px);}to{opacity:1;transform:translateY(0);}}
.mobile-nav{display:flex;flex-direction:column;padding:8px 0;}
.mobile-nav a{
  height:48px;display:flex;align-items:center;font-size:16px;color:var(--c-ink-2);
  border-bottom:1px solid var(--c-line);
}
.mobile-nav a.active{color:var(--c-primary);font-weight:600;}
.mobile-actions{display:flex;flex-direction:column;gap:12px;padding:16px 0 22px;}
.mobile-actions .search input{width:100%;}
.btn-block{width:100%;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  height:44px;padding:0 20px;border-radius:var(--radius-btn);
  border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;
  transition:background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-outline{background:#fff;color:var(--c-primary);border-color:var(--c-primary);}
.btn-outline:hover{background:var(--c-primary-soft);}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{background:#c85f2c;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-text{
  height:auto;padding:0;background:none;color:var(--c-primary);font-weight:600;
  display:inline-flex;align-items:center;gap:6px;
}
.btn-text .arrow{transition:transform .2s ease-out;}
.btn-text:hover .arrow{transform:translateX(2px);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:6px;
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:12px;font-weight:500;letter-spacing:.02em;
}
.badge-live{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:999px;
  background:var(--c-accent);color:#fff;font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-live::before{
  content:"";width:6px;height:6px;border-radius:50%;background:#fff;
  animation:pulse 1.6s ease-in-out infinite;
}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.6;}}
.chip{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);font-size:13px;
  transition:border-color .2s ease-out,color .2s ease-out;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);}
.chip.is-on{background:var(--c-primary-soft);border-color:var(--c-primary-soft);color:var(--c-primary);font-weight:600;}

/* ============ 页头 ============ */
.page-hero{
  position:relative;padding:48px 0 52px;
  background-color:var(--c-bg);
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--c-line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(247,249,252,.95),rgba(247,249,252,.88));
}
.page-hero>.container{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);margin-bottom:18px;}
.crumb a:hover{color:var(--c-primary);text-decoration:underline;}
.crumb .sep{color:#C6D2DE;}
.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:40px;align-items:center;}
.page-hero h1{
  font-size:clamp(28px,4vw,40px);line-height:1.2;font-weight:700;
  color:var(--c-primary-deep);letter-spacing:-.01em;
}
.hero-lead{margin-top:18px;font-size:16px;line-height:1.75;color:var(--c-ink-2);max-width:720px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-2);overflow:hidden;
}
.hero-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.hero-card-body{padding:18px 20px 20px;}
.hero-card-body h2{
  font-size:15px;font-weight:600;color:var(--c-primary-deep);margin-bottom:12px;
}
.stat-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;}
.stat{background:var(--c-bg);border:1px solid var(--c-line);border-radius:12px;padding:10px 12px;}
.stat b{display:block;font-size:20px;font-weight:700;color:var(--c-primary);line-height:1.2;font-variant-numeric:tabular-nums;}
.stat span{display:block;font-size:12px;color:var(--c-ink-3);margin-top:4px;}

/* ============ 板块 ============ */
.section{padding:64px 0;}
.section-tight{padding:40px 0 0;}
.section-head{margin-bottom:28px;}
.section-head h2{
  position:relative;padding-left:14px;font-size:28px;line-height:1.3;font-weight:700;color:var(--c-primary-deep);
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:2px;background:var(--c-primary);
}
.section-head p{margin-top:10px;font-size:15px;line-height:1.7;color:var(--c-ink-2);max-width:780px;}

/* ============ 快讯条 ============ */
.ticker{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  background:#fff;border:1px solid var(--c-line);border-radius:14px;
  padding:14px 18px;box-shadow:var(--shadow-1);
}
.ticker-list{display:flex;flex-direction:column;gap:6px;flex:1 1 320px;min-width:0;}
.ticker-list li{font-size:14px;color:var(--c-ink-2);display:flex;gap:10px;align-items:baseline;}
.ticker-list .t{color:var(--c-ink-3);font-size:13px;font-variant-numeric:tabular-nums;flex:0 0 auto;}
.ticker .btn-text{flex:0 0 auto;}

/* ============ 目录索引 ============ */
.toc-wrap{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:8px 24px 16px;
}
.toc-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:40px;}
.toc-item{
  display:flex;align-items:baseline;gap:14px;padding:15px 0;
  border-bottom:1px dashed var(--c-line);
  transition:color .2s ease-out;
}
.toc-grid .toc-item:nth-last-child(-n+2){border-bottom-color:transparent;}
.toc-num{
  font-size:14px;font-weight:700;color:var(--c-primary);letter-spacing:.04em;
  font-variant-numeric:tabular-nums;flex:0 0 28px;
}
.toc-label{flex:1 1 auto;font-size:15px;color:var(--c-ink);transition:color .2s ease-out;}
.toc-hint{font-size:12px;color:var(--c-ink-3);flex:0 0 auto;}
.toc-item:hover .toc-label{color:var(--c-primary);}

/* ============ 折叠面板 ============ */
.acc{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.acc-item{border-bottom:1px solid var(--c-line);scroll-margin-top:88px;}
.acc-item:last-child{border-bottom:none;}
.acc-head{margin:0;}
.acc-btn{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:18px 20px;background:transparent;border:0;cursor:pointer;text-align:left;
  color:var(--c-ink);transition:background-color .2s ease-out;
}
.acc-btn:hover{background:var(--c-bg);}
.acc-btn[aria-expanded="true"]{background:var(--c-primary-soft);}
.acc-idx{
  flex:0 0 34px;height:28px;border-radius:8px;display:grid;place-items:center;
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.acc-btn[aria-expanded="true"] .acc-idx{background:var(--c-primary);color:#fff;}
.acc-title{flex:1 1 auto;font-size:16px;font-weight:600;}
.acc-meta{font-size:12px;color:var(--c-ink-3);flex:0 0 auto;}
.acc-icon{flex:0 0 auto;color:var(--c-ink-3);transition:transform .2s ease-out;}
.acc-btn[aria-expanded="true"] .acc-icon{transform:rotate(180deg);color:var(--c-primary);}
.acc-panel{
  padding:2px 20px 22px 68px;font-size:15px;line-height:1.7;color:var(--c-ink-2);
  animation:fadeIn .2s ease-out;
}
@keyframes fadeIn{from{opacity:0;}to{opacity:1;}}
.acc-panel .tip{
  margin-top:14px;padding:12px 14px;border-left:4px solid var(--c-accent);
  background:var(--c-accent-soft);border-radius:0 10px 10px 0;
  font-size:14px;color:#8A4522;
}
.steps{counter-reset:step;margin-top:14px;}
.steps li{
  position:relative;padding-left:30px;margin-bottom:8px;font-size:15px;line-height:1.7;
}
.steps li::before{
  counter-increment:step;content:counter(step);
  position:absolute;left:0;top:4px;width:20px;height:20px;border-radius:50%;
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:12px;font-weight:700;display:grid;place-items:center;
  font-variant-numeric:tabular-nums;
}

/* ============ 对照表 ============ */
.table-wrap{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
}
.spec-table{width:100%;border-collapse:collapse;font-size:14px;}
.spec-table caption{
  text-align:left;padding:16px 20px 12px;font-size:13px;color:var(--c-ink-3);
}
.spec-table th{
  background:var(--c-primary-soft);color:var(--c-primary-deep);
  font-size:13px;font-weight:600;text-align:left;padding:12px 18px;white-space:nowrap;
}
.spec-table td{
  padding:13px 18px;border-top:1px solid var(--c-line);color:var(--c-ink-2);
  font-size:14px;line-height:1.6;vertical-align:top;
}
.spec-table tbody tr:nth-child(even){background:#FAFCFE;}
.spec-table td:first-child{color:var(--c-ink);font-weight:600;}

/* ============ FAQ ============ */
.faq{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item:last-child{border-bottom:none;}
.faq-q{
  width:100%;display:flex;align-items:center;gap:12px;padding:18px 20px;
  background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--c-ink);
  transition:background-color .2s ease-out;
}
.faq-q:hover{background:var(--c-bg);}
.faq-q[aria-expanded="true"]{color:var(--c-primary);}
.faq-q .acc-icon{margin-left:auto;}
.faq-q[aria-expanded="true"] .acc-icon{transform:rotate(180deg);color:var(--c-primary);}
.faq-a{
  padding:0 20px 20px;font-size:15px;line-height:1.8;color:var(--c-ink-2);
  animation:fadeIn .2s ease-out;
}

/* ============ CTA ============ */
.cta-band{
  background:var(--c-primary-soft);
  border:1px solid #D6E5F4;border-radius:20px;
  padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-size:24px;line-height:1.35;font-weight:700;color:var(--c-primary-deep);}
.cta-band p{margin-top:10px;font-size:15px;line-height:1.7;color:var(--c-ink-2);max-width:620px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:#F2F6FA;border-top:1px solid var(--c-line);margin-top:72px;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px;
  padding:56px 0 32px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-about{font-size:14px;line-height:1.75;color:var(--c-ink-2);max-width:320px;}
.footer-col h3{font-size:15px;font-weight:600;color:var(--c-primary-deep);margin-bottom:14px;}
.footer-col ul li a{
  display:inline-block;padding:5px 0;font-size:14px;color:var(--c-ink-2);
  transition:color .2s ease-out;
}
.footer-col ul li a:hover{color:var(--c-primary);}
.footer-sub p{font-size:13px;line-height:1.7;color:var(--c-ink-2);margin-bottom:12px;}
.footer-sub form{display:flex;gap:8px;}
.footer-sub input{
  flex:1 1 auto;min-width:0;height:40px;padding:0 12px;
  border:1px solid var(--c-line);border-radius:var(--radius-btn);background:#fff;
  font-size:14px;color:var(--c-ink);transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.footer-sub input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(26,90,150,.12);}
.form-msg{font-size:13px;line-height:1.6;}
.form-msg.ok{color:var(--c-success);}
.form-msg.err{color:var(--c-danger);}
.footer-bottom{
  border-top:1px solid var(--c-line);padding:18px 0 24px;
  display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
  font-size:13px;color:var(--c-ink-3);
}
.footer-bottom a:hover{color:var(--c-primary);text-decoration:underline;}

/* ============ 响应式 ============ */
@media (max-width:1100px){
  .nav-channels{gap:0;}
  .nav-link{padding:0 9px;font-size:14px;}
  .search input{width:170px;}
}
@media (max-width:1023px){
  .nav-channels,.search,.nav-cta{display:none;}
  .menu-toggle{display:flex;}
  .nav-inner{height:56px;}
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero-card{max-width:560px;}
  .section{padding:56px 0;}
  .section-head h2{font-size:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:44px 0 28px;}
}
@media (max-width:768px){
  .toc-grid{grid-template-columns:1fr;column-gap:0;}
  .toc-grid .toc-item:nth-last-child(-n+2){border-bottom-color:var(--c-line);}
  .toc-grid .toc-item:last-child{border-bottom-color:transparent;}
  .acc-panel{padding:2px 16px 20px 16px;}
  .acc-btn{padding:16px;}
  .cta-band{padding:28px 22px;}
  .cta-band h2{font-size:20px;}
  .spec-table th,.spec-table td{padding:11px 12px;}
  .spec-table{font-size:13px;}
}
@media (max-width:640px){
  .container{padding:0 16px;}
  .section{padding:40px 0;}
  .page-hero{padding:32px 0 36px;}
  .hero-lead{font-size:15px;}
  .stat-row{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;}
  .stat{padding:8px 10px;}
  .stat b{font-size:17px;}
  .toc-wrap{padding:4px 16px 12px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
}