/* roulang page: index */
:root{
  --orange:#F2542D;
  --orange-deep:#D8411D;
  --teal:#12A594;
  --teal-soft:rgba(18,165,148,.12);
  --ink:#14161C;
  --paper:#F7F5F1;
  --card:#FFFFFF;
  --line:#E4E0DA;
  --t1:#1C1E24;
  --t2:#5C6169;
  --t3:#8A8F99;
  --inv-1:#F4F2EF;
  --inv-2:#A8ADB6;
  --r-card:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 6px 18px rgba(20,22,28,.06);
  --sh-2:0 14px 32px rgba(20,22,28,.12);
  --sh-dark:0 20px 44px rgba(0,0,0,.45);
  --gap-section:88px;
  --ease:200ms ease-out;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  line-height:1.9;
  color:var(--t1);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--teal);text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease);}
a:hover{color:var(--orange);}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;letter-spacing:.2px;}
p{margin:0 0 1.25em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(242,84,45,.45);outline-offset:2px;}

.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}
.section{padding:var(--gap-section) 0;}
.section--tight{padding:64px 0;}
.section--paper{background:var(--paper);}
.section--white{background:#FFFFFF;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(1.35rem,2.4vw,1.75rem);line-height:1.4;}
.section-head p{margin:10px 0 0;color:var(--t2);font-size:15px;max-width:640px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;letter-spacing:2px;text-transform:uppercase;color:var(--teal);font-weight:600;margin-bottom:12px;}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--teal);display:block;}
.link-more{font-size:14px;font-weight:600;color:var(--t2);display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{color:var(--orange);}

/* 顶部公告条 */
.topbar{background:var(--ink);color:var(--inv-2);font-size:13px;height:36px;display:flex;align-items:center;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-text strong{color:var(--inv-1);font-weight:600;}
.topbar-close{background:none;border:0;color:var(--inv-2);cursor:pointer;font-size:14px;line-height:1;padding:6px;border-radius:6px;}
.topbar-close:hover{color:#fff;background:rgba(255,255,255,.08);}

/* 卡片化导航 */
.site-header{position:sticky;top:0;z-index:60;padding:14px 0;background:rgba(247,245,241,.92);backdrop-filter:blur(8px);transition:padding var(--ease),background-color var(--ease);}
.site-header.is-stuck{padding:8px 0;}
.nav-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:12px 16px;display:flex;align-items:center;gap:20px;transition:box-shadow var(--ease);}
.site-header.is-stuck .nav-card{box-shadow:var(--sh-2);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{width:38px;height:38px;border-radius:11px;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;position:relative;overflow:hidden;}
.brand-mark i{position:absolute;right:6px;bottom:6px;font-size:9px;color:var(--orange);}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text b{font-size:16px;color:var(--t1);letter-spacing:.3px;}
.brand-text span{font-size:11px;color:var(--t3);letter-spacing:1px;}
.nav-links{display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center;flex-wrap:wrap;}
.nav-item{display:flex;flex-direction:column;align-items:center;gap:4px;min-width:82px;padding:8px 10px;border-radius:12px;color:var(--t2);font-size:13px;font-weight:500;border-bottom:2px solid transparent;transition:all var(--ease);}
.nav-item i{font-size:15px;color:var(--t3);}
.nav-item:hover{background:#FBF7F3;color:var(--t1);}
.nav-item:hover i{color:var(--teal);}
.nav-item.active{background:#FEF0EB;border-bottom-color:var(--orange);color:var(--orange-deep);}
.nav-item.active i{color:var(--orange);}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;width:42px;height:42px;font-size:16px;color:var(--t1);cursor:pointer;}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);font-size:15px;font-weight:600;padding:14px 26px;border:1px solid transparent;cursor:pointer;transition:all var(--ease);line-height:1;text-align:center;}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(242,84,45,.28);}
.btn-primary:hover{background:var(--orange-deep);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{background:#fff;color:var(--t1);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--orange);color:var(--orange);transform:translateY(-1px);}
.btn-outline-inv{background:transparent;color:#fff;border-color:rgba(255,255,255,.32);}
.btn-outline-inv:hover{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.6);}
.btn-sm{padding:10px 16px;font-size:13px;}
.btn-block{width:100%;}

/* Hero */
.hero{position:relative;background:var(--ink);color:var(--inv-1);overflow:hidden;}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.34;}
.hero-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,22,28,.72) 0%,rgba(20,22,28,.86) 55%,rgba(20,22,28,.96) 100%);}
.hero-inner{position:relative;z-index:2;padding:72px 0 84px;}
.hero-grid{align-items:center;}
.hero h1{color:#fff;font-size:clamp(1.9rem,4vw,3rem);line-height:1.3;letter-spacing:.5px;}
.hero-sub{color:var(--inv-2);font-size:17px;margin-top:16px;max-width:520px;}
.live-cover{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-dark);background:#0b0d12;}
.live-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.badge-status{position:absolute;top:14px;left:14px;display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:6px 12px;border-radius:var(--r-pill);color:#fff;background:var(--orange);}
.badge-status.is-replay{background:var(--teal);}
.badge-status::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff;}
.live-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;background:rgba(0,0,0,.42);color:var(--inv-1);font-size:14px;flex-wrap:wrap;}
.live-meta span{color:var(--inv-2);font-size:13px;}

.countdown{display:flex;gap:12px;margin:26px 0 28px;flex-wrap:wrap;}
.cd-box{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:12px;min-width:78px;padding:10px 4px;text-align:center;}
.cd-num{display:block;font-size:36px;font-weight:700;line-height:1.1;color:#fff;font-variant-numeric:tabular-nums;transition:opacity .2s ease-out;}
.cd-num.tick{opacity:.55;}
.cd-label{display:block;font-size:12px;color:var(--inv-2);margin-top:2px;}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;}
.hero-facts{display:flex;gap:22px;flex-wrap:wrap;margin-top:26px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:var(--inv-2);}
.hero-facts i{color:var(--teal);margin-right:6px;}

/* 看点列表 */
.spot-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 40px;}
.spot-item{display:flex;gap:18px;padding:18px 0;border-bottom:1px solid var(--line);}
.spot-num{flex:0 0 auto;font-size:26px;font-weight:700;color:transparent;-webkit-text-stroke:1.4px var(--orange);line-height:1.2;font-variant-numeric:tabular-nums;}
.spot-body h3{font-size:18px;margin-bottom:6px;}
.spot-body p{color:var(--t2);font-size:15px;margin:0;}
.spot-body time{display:inline-block;margin-top:8px;font-size:12px;color:var(--t3);font-variant-numeric:tabular-nums;}

/* 卡片通用 */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(242,84,45,.3);}
.card-accent{border-left:4px solid var(--orange);}
.card-dark{background:var(--ink);border-color:rgba(255,255,255,.1);color:var(--inv-1);}
.card-dark h3{color:#fff;}

/* 订阅区 */
.subscribe-card{padding:28px;}
.subscribe-intro h3{font-size:20px;margin-bottom:10px;}
.subscribe-intro p{color:var(--t2);font-size:15px;}
.point-list li{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px dashed var(--line);font-size:15px;color:var(--t2);}
.point-list li:last-child{border-bottom:0;}
.point-list i{color:var(--teal);margin-top:6px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--t2);margin-bottom:8px;font-weight:600;}
.input{width:100%;padding:14px 16px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;font-size:15px;color:var(--t1);transition:all var(--ease);}
.input::placeholder{color:var(--t3);}
.input:focus{outline:none;border-color:var(--orange);box-shadow:0 0 0 3px rgba(242,84,45,.16);}
.tabs-pill{display:inline-flex;background:#F1EEE9;border-radius:var(--r-pill);padding:4px;gap:4px;}
.tabs-pill button{border:0;background:transparent;padding:8px 20px;border-radius:var(--r-pill);font-size:14px;color:var(--t2);cursor:pointer;transition:all var(--ease);}
.tabs-pill button.active{background:#fff;color:var(--orange-deep);font-weight:600;box-shadow:var(--sh-1);}
.check-line{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--t2);margin:16px 0 18px;}
.check-line input{margin-top:5px;}

/* 回放卡 */
.replay-grid{display:grid;gap:24px;grid-template-columns:repeat(2,minmax(0,1fr));}
.media-card{overflow:hidden;display:flex;flex-direction:column;height:100%;}
.media-thumb{position:relative;}
.media-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.media-tag{position:absolute;right:12px;bottom:12px;background:rgba(20,22,28,.78);color:#fff;font-size:12px;padding:4px 10px;border-radius:var(--r-pill);font-variant-numeric:tabular-nums;}
.media-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1 1 auto;}
.media-body h3{font-size:17px;line-height:1.5;}
.media-body p{color:var(--t2);font-size:14px;margin:0;}
.media-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--t3);}

/* 标签 */
.tag{display:inline-block;font-size:12px;padding:4px 12px;border-radius:var(--r-pill);background:var(--teal-soft);color:#0E8477;font-weight:600;line-height:1.6;}
.tag-orange{background:rgba(242,84,45,.12);color:var(--orange-deep);}
.tag-gray{background:#F1EEE9;color:var(--t2);}

/* 资讯列表 */
.news-grid{row-gap:24px;}
.news-card{display:flex;flex-direction:column;height:100%;overflow:hidden;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(242,84,45,.3);}
.news-cover img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.news-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.news-body h3{font-size:20px;line-height:1.5;}
.news-excerpt{color:var(--t2);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0;}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:8px;}
.news-meta time{font-size:13px;color:var(--t3);font-variant-numeric:tabular-nums;}
.news-go{font-size:13px;color:var(--t2);}
.news-card:hover .news-go{color:var(--orange);}
.empty-card{border:1.5px dashed var(--line);border-radius:var(--r-card);background:#fff;padding:48px 24px;text-align:center;grid-column:1/-1;}
.empty-card p{color:var(--t2);margin-bottom:16px;}

/* 图文交错 */
.split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:48px;align-items:center;}
.split + .split{margin-top:72px;}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-card);box-shadow:var(--sh-1);}
.split-body h3{font-size:clamp(1.2rem,2vw,1.5rem);margin-bottom:14px;}
.split-body p{color:var(--t2);font-size:16px;max-width:640px;}
.mini-list{margin-top:18px;}
.mini-list li{display:flex;gap:10px;align-items:flex-start;padding:8px 0;font-size:15px;color:var(--t1);}
.mini-list i{color:var(--teal);margin-top:7px;font-size:12px;}
.split.reverse .split-media{order:2;}

/* 步骤轨道 */
.steps-track{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:64px;position:relative;}
.step-node{position:relative;text-align:center;padding-top:18px;}
.step-node::before{content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--teal);}
.step-node::after{content:"";position:absolute;top:7px;left:50%;width:100%;height:2px;background:var(--line);z-index:-1;}
.step-node:last-child::after{display:none;}
.step-node b{display:block;font-size:15px;margin-bottom:6px;}
.step-node span{font-size:13px;color:var(--t2);display:block;line-height:1.7;}

/* 数据条 */
.stats{background:var(--ink);color:#fff;padding:52px 0;}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;}
.stat{padding:8px 24px;border-left:1px solid rgba(255,255,255,.12);}
.stat:first-child{border-left:0;padding-left:0;}
.stat b{display:block;font-size:32px;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:1px;}
.stat span{font-size:12px;color:var(--inv-2);letter-spacing:1px;}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:0 22px 0 24px;box-shadow:var(--sh-1);position:relative;overflow:hidden;transition:box-shadow var(--ease);}
.faq-item::before{content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;background:transparent;border-radius:0 3px 3px 0;transition:background var(--ease);}
.faq-item[open]::before{background:var(--orange);}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 0;font-size:16px;font-weight:600;color:var(--t1);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary i{color:var(--teal);font-size:13px;transition:transform var(--ease);flex:0 0 auto;}
.faq-item[open] summary i{transform:rotate(45deg);color:var(--orange);}
.faq-item[open]{box-shadow:var(--sh-2);}
.faq-body{padding:0 0 22px;color:var(--t2);font-size:15px;line-height:1.9;border-top:1px solid var(--line);padding-top:16px;}

/* 底部 CTA */
.cta-bar{background:var(--ink);color:#fff;border-radius:var(--r-card);padding:38px 40px;display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;box-shadow:0 0 0 1px rgba(242,84,45,.45),0 0 42px rgba(242,84,45,.18);}
.cta-bar h2{color:#fff;font-size:clamp(1.15rem,2vw,1.5rem);}
.cta-bar p{color:var(--inv-2);font-size:14px;margin:8px 0 0;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* 页脚 */
.site-footer{background:var(--ink);color:var(--inv-2);padding:64px 0 26px;margin-top:88px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand b{color:#fff;font-size:17px;display:block;margin-bottom:12px;}
.footer-brand p{color:var(--inv-2);font-size:14px;line-height:1.9;max-width:340px;}
.footer-col h4{color:#fff;font-size:14px;margin-bottom:16px;letter-spacing:1px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:var(--inv-2);font-size:14px;}
.footer-col a:hover{color:#2BD3BF;text-decoration:underline;text-underline-offset:3px;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:var(--inv-2);margin-bottom:10px;}
.footer-contact i{color:var(--teal);margin-top:5px;}
.social{display:flex;gap:10px;margin-top:16px;}
.social a{width:36px;height:36px;border-radius:50%;border:1px solid rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;color:var(--inv-1);}
.social a:hover{border-color:var(--orange);color:var(--orange);background:rgba(242,84,45,.1);}
.footer-bottom{margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#7E838C;}

/* 移动端底部 CTA */
.mobile-cta{display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;background:rgba(20,22,28,.96);padding:10px 16px;gap:10px;border-top:1px solid rgba(255,255,255,.12);}
.mobile-cta .btn{flex:1 1 0;}

/* 响应式 */
@media screen and (max-width:1024px){
  :root{--gap-section:64px;}
  .nav-item{min-width:70px;}
  .hero-inner{padding:56px 0 64px;}
  .spot-list{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .steps-track{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:28px;}
  .step-node:nth-child(2)::after{display:none;}
}
@media screen and (max-width:640px){
  :root{--gap-section:48px;}
  body{font-size:16px;padding-bottom:56px;}
  .container{padding:0 18px;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-card{flex-wrap:wrap;gap:12px;}
  .nav-links{display:none;width:100%;order:3;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;padding-top:8px;border-top:1px solid var(--line);}
  .nav-card.is-open .nav-links{display:grid;}
  .nav-item{min-width:0;border:1px solid var(--line);border-bottom-width:2px;padding:14px 8px;font-size:13px;}
  .nav-actions .btn-ghost{display:none;}
  .nav-actions .btn-primary{padding:11px 16px;font-size:14px;}
  .hero-cta .btn{flex:1 1 100%;}
  .cd-box{min-width:64px;flex:1 1 0;}
  .cd-num{font-size:30px;}
  .replay-grid{grid-template-columns:1fr;}
  .split{grid-template-columns:1fr;gap:24px;}
  .split.reverse .split-media{order:0;}
  .split + .split{margin-top:48px;}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:26px;}
  .stat{padding:8px 0 8px 18px;border-left:0;border-top:1px solid rgba(255,255,255,.12);}
  .stat:first-child,.stat:nth-child(2){border-top:0;}
  .stat:nth-child(odd){padding-left:0;}
  .faq-grid{grid-template-columns:1fr;}
  .cta-bar{padding:28px 22px;}
  .cta-actions .btn{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .mobile-cta{display:flex;}
  .steps-track{grid-template-columns:1fr;}
  .step-node::after{display:none;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: article */
:root{
  --orange:#F2542D;
  --orange-dark:#D8421F;
  --orange-soft:rgba(242,84,45,.12);
  --cyan:#12A594;
  --cyan-soft:rgba(18,165,148,.12);
  --ink:#14161C;
  --ink-2:#1B1E26;
  --paper:#F7F5F1;
  --card:#FFFFFF;
  --line:#E4E0DA;
  --line-strong:#CFC9C1;
  --text:#1C1E24;
  --text-2:#5C6169;
  --text-3:#8A8F99;
  --on-dark:#F4F2EF;
  --on-dark-2:#A8ADB6;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-1:0 6px 18px rgba(20,22,28,.06);
  --shadow-2:0 14px 32px rgba(20,22,28,.12);
  --shadow-dark:0 20px 44px rgba(0,0,0,.45);
  --ease:200ms cubic-bezier(.32,.72,.35,1);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  background:var(--paper);
  padding-bottom:0;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--text);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--cyan);}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:3px solid rgba(242,84,45,.45);outline-offset:2px;border-radius:6px;}
.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;
  padding:14px 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn i{font-size:14px;}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(242,84,45,.28);}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(242,84,45,.34);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(242,84,45,.3);}
.btn-ghost{background:#fff;border-color:var(--line-strong);color:var(--text);}
.btn-ghost:hover{border-color:var(--orange);color:var(--orange);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-dark-ghost{background:transparent;border-color:rgba(255,255,255,.28);color:var(--on-dark);}
.btn-dark-ghost:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.06);}
.btn-sm{padding:10px 18px;font-size:14px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  padding:14px 0;
  background:rgba(247,245,241,.88);
  backdrop-filter:blur(8px);
  transition:padding var(--ease),background var(--ease);
}
.site-header.is-stuck{padding:8px 0;background:rgba(247,245,241,.96);}
.nav-card{
  display:flex;align-items:center;gap:20px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:12px 16px;
  transition:height var(--ease),box-shadow var(--ease),padding var(--ease);
}
.site-header.is-stuck .nav-card{box-shadow:var(--shadow-2);padding:9px 16px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:42px;height:42px;border-radius:12px;
  background:var(--ink);color:#fff;
  display:flex;align-items:center;justify-content:center;gap:2px;
  font-weight:700;font-size:17px;letter-spacing:-.02em;
}
.brand-mark i{font-size:10px;color:var(--orange);}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text b{font-size:16px;letter-spacing:.01em;}
.brand-text span{font-size:11px;color:var(--text-3);letter-spacing:.06em;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1 1 auto;}
.nav-item{
  display:inline-flex;flex-direction:column;align-items:center;gap:5px;
  min-width:82px;padding:8px 10px 9px;
  border-radius:12px;border-bottom:2px solid transparent;
  font-size:13px;color:var(--text-2);line-height:1.2;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease);
}
.nav-item i{font-size:15px;color:var(--text-3);transition:color var(--ease);}
.nav-item:hover{background:#FAF8F5;color:var(--text);transform:translateY(-1px);}
.nav-item:hover i{color:var(--cyan);}
.nav-item.active{background:var(--orange-soft);border-bottom-color:var(--orange);color:var(--orange);font-weight:600;}
.nav-item.active i{color:var(--orange);}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--text);
  cursor:pointer;transition:border-color var(--ease),color var(--ease);
}
.nav-toggle:hover{border-color:var(--orange);color:var(--orange);}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);padding:26px 0 0;}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--cyan);}
.crumb span.sep{color:var(--line-strong);}
.crumb .current{color:var(--text-2);}

/* ---------- 文章头部 ---------- */
.article-head{padding:18px 0 30px;}
.article-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--cyan-soft);color:var(--cyan);
  border-radius:var(--radius-pill);
  padding:5px 14px;font-size:12px;font-weight:600;letter-spacing:.04em;
  margin-bottom:16px;
}
.article-head h1{
  font-size:clamp(1.6rem,3.2vw,2.4rem);
  line-height:1.35;font-weight:700;letter-spacing:-.01em;
  max-width:860px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:18px;font-size:13px;color:var(--text-3);
}
.article-meta .dot{width:1px;height:12px;background:var(--line-strong);}
.article-meta .tag{
  background:var(--cyan-soft);color:var(--cyan);
  border-radius:var(--radius-pill);padding:3px 12px;font-weight:600;
}

/* ---------- 正文 ---------- */
.article-wrap{padding-bottom:30px;}
.article-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:38px 40px 44px;
}
.article-body{max-width:740px;margin:0 auto;}
.article-body p{margin:0 0 1.25em;line-height:1.9;font-size:17px;color:var(--text);}
.article-body h2{
  position:relative;font-size:23px;line-height:1.5;font-weight:700;
  margin:40px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:1.05em;
  background:var(--orange);border-radius:2px;
}
.article-body h3{font-size:19px;font-weight:600;margin:28px 0 12px;color:#25443f;color:#1F3D38;}
.article-body h4{font-size:17px;font-weight:600;margin:22px 0 10px;color:var(--text-2);}
.article-body ul,.article-body ol{margin:0 0 1.25em;padding-left:4px;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px;line-height:1.8;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.66em;width:7px;height:7px;
  background:var(--cyan);border-radius:2px;
}
.article-body ol{list-style:decimal;padding-left:22px;}
.article-body ol li{margin-bottom:10px;line-height:1.8;}
.article-body ol li::marker{color:var(--orange);font-weight:700;}
.article-body blockquote{
  margin:26px 0;padding:16px 22px;
  border-left:3px solid var(--cyan);background:#FBFAF7;
  border-radius:0 12px 12px 0;color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:24px auto;box-shadow:var(--shadow-1);}
.article-body figcaption,.article-body .caption{font-size:13px;color:var(--text-3);text-align:center;margin-top:-12px;}
.article-body table{width:100%;border-collapse:separate;border-spacing:0;margin:24px 0;font-size:15px;border:1px solid var(--line);border-radius:12px;overflow:hidden;}
.article-body thead th{background:#F2EFEA;font-weight:600;text-align:left;}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);}
.article-body tbody tr:nth-child(even){background:#FBFAF7;}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body a{color:var(--cyan);border-bottom:1px solid rgba(18,165,148,.35);}
.article-body a:hover{color:var(--orange);border-bottom-color:var(--orange);}
.article-body strong{font-weight:600;}
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--radius-card);
  background:#FBFAF7;padding:48px 24px;text-align:center;
}
.empty-state p{font-size:17px;color:var(--text-2);margin-bottom:16px;}

/* ---------- 文末标签 / 操作 ---------- */
.article-foot{margin-top:32px;padding-top:24px;border-top:1px solid var(--line);}
.tag-group{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag-group .label{font-size:13px;color:var(--text-3);margin-right:2px;}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--cyan-soft);color:var(--cyan);
  border-radius:var(--radius-pill);padding:6px 14px;font-size:13px;font-weight:600;
  transition:background var(--ease),color var(--ease),transform var(--ease);
}
.pill:hover{background:rgba(18,165,148,.2);color:#0C7C6F;transform:translateY(-1px);}
.article-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}

/* ---------- 相关推荐 ---------- */
.related{padding:56px 0 8px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:22px;}
.section-head h2{font-size:22px;font-weight:700;letter-spacing:-.01em;}
.section-head h2 small{display:block;font-size:13px;font-weight:400;color:var(--text-3);margin-top:6px;letter-spacing:0;}
.section-head .more{font-size:14px;color:var(--cyan);font-weight:600;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.rec-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.rec-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(242,84,45,.3);}
.rec-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink);}
.rec-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms var(--ease);}
.rec-card:hover .thumb img{transform:scale(1.04);}
.rec-card .body{padding:18px 20px 22px;}
.rec-card h3{font-size:17px;line-height:1.55;font-weight:600;margin-bottom:10px;}
.rec-card .time{font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:7px;}

/* ---------- 侧栏 ---------- */
.sidebar{display:flex;flex-direction:column;gap:20px;}
.sidebar-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:22px;
}
.side-card.accent{border:1px solid rgba(242,84,45,.55);box-shadow:0 10px 28px rgba(242,84,45,.14);}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:12px;display:flex;align-items:center;gap:9px;}
.side-card h3 i{color:var(--orange);font-size:15px;}
.side-card p{font-size:14px;line-height:1.85;color:var(--text-2);margin-bottom:16px;}
.side-card .btn{width:100%;}
.live-mini{position:relative;border-radius:12px;overflow:hidden;margin-bottom:14px;aspect-ratio:16/9;background:var(--ink);}
.live-mini img{width:100%;height:100%;object-fit:cover;}
.live-mini .badge{
  position:absolute;top:10px;left:10px;
  background:var(--orange);color:#fff;font-size:12px;font-weight:600;
  border-radius:var(--radius-pill);padding:4px 11px;
}
.mini-count{display:flex;gap:6px;margin-bottom:14px;}
.mini-count .box{
  flex:1;background:var(--ink);color:#fff;border-radius:9px;
  text-align:center;padding:8px 2px;
  font-variant-numeric:tabular-nums;
}
.mini-count .box b{display:block;font-size:19px;line-height:1.2;}
.mini-count .box span{font-size:10px;color:var(--on-dark-2);letter-spacing:.06em;}
.rank-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:11px 0;border-bottom:1px dashed var(--line);
}
.rank-list li:last-child{border-bottom:0;padding-bottom:0;}
.rank-list .no{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;
  background:#F2EFEA;color:var(--text-2);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;margin-top:3px;
}
.rank-list li:nth-child(1) .no{background:var(--orange);color:#fff;}
.rank-list li:nth-child(2) .no{background:var(--cyan);color:#fff;}
.rank-list a{font-size:14px;line-height:1.7;display:block;}
.rank-list .t{font-size:12px;color:var(--text-3);margin-top:3px;display:block;}

/* ---------- 底部 CTA ---------- */
.cta-band{
  background:var(--ink);color:var(--on-dark);
  border-radius:var(--radius-card);
  border:1px solid rgba(242,84,45,.4);
  box-shadow:var(--shadow-dark);
  padding:36px 40px;margin:56px 0 8px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band h2{font-size:22px;font-weight:700;margin-bottom:8px;}
.cta-band p{font-size:14px;color:var(--on-dark-2);max-width:520px;}
.cta-band .cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--on-dark-2);margin-top:64px;padding:56px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand b{display:block;color:#fff;font-size:17px;margin-bottom:14px;letter-spacing:.01em;}
.footer-brand p{font-size:14px;line-height:1.9;color:var(--on-dark-2);max-width:340px;}
.social{display:flex;gap:10px;margin-top:18px;}
.social a{
  width:38px;height:38px;border-radius:50%;
  border:1px solid rgba(255,255,255,.2);color:var(--on-dark-2);
  display:flex;align-items:center;justify-content:center;font-size:14px;
  transition:border-color var(--ease),color var(--ease),transform var(--ease);
}
.social a:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px);}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14px;color:var(--on-dark-2);}
.footer-col ul a:hover{color:var(--cyan);text-decoration:underline;text-underline-offset:3px;}
.footer-contact li{display:flex;gap:10px;font-size:14px;margin-bottom:12px;align-items:flex-start;line-height:1.7;}
.footer-contact i{color:var(--orange);margin-top:4px;}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-card{flex-wrap:wrap;gap:12px;padding:10px 14px;}
  .nav-links{
    order:3;width:100%;display:none;flex-wrap:wrap;margin-left:0;
    gap:8px;padding-top:10px;border-top:1px solid var(--line);
  }
  .nav-card.is-open .nav-links{display:flex;}
  .nav-item{flex:1 1 calc(50% - 8px);flex-direction:row;justify-content:flex-start;gap:10px;padding:12px 14px;min-width:0;font-size:14px;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-actions{margin-left:auto;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .sidebar-sticky{position:static;}
  .cta-band{padding:30px 26px;}
  .article-card{padding:28px 26px 32px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .nav-actions .btn-ghost{display:none;}
  .related-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .cta-band{margin-top:40px;}
  .article-body p{font-size:16px;}
}
@media (max-width:520px){
  .brand-text span{display:none;}
  .nav-item{flex:1 1 100%;}
  .nav-actions .btn-sm{padding:9px 14px;font-size:13px;}
  .footer-grid{grid-template-columns:1fr;}
  .article-meta{gap:10px;font-size:12px;}
  .article-card{padding:22px 18px 26px;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .btn{flex:1 1 100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
}

/* roulang page: category1 */
/* ================= 设计变量 ================= */
:root{
  --brand:#F2542D;
  --brand-600:#D9421C;
  --brand-soft:rgba(242,84,45,.10);
  --accent:#12A594;
  --accent-soft:rgba(18,165,148,.12);
  --dark:#14161C;
  --dark-2:#1C1F27;
  --paper:#F7F5F1;
  --card:#FFFFFF;
  --line:#E4E0DA;
  --ink:#1C1E24;
  --ink-2:#5C6169;
  --ink-3:#8A8F99;
  --ink-inv:#F4F2EF;
  --ink-inv-2:#A8ADB6;
  --r-card:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sh1:0 6px 18px rgba(20,22,28,.06);
  --sh2:0 14px 32px rgba(20,22,28,.12);
  --shd:0 20px 44px rgba(0,0,0,.45);
  --maxw:1200px;
}

/* ================= 基础重置 ================= */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.35;color:var(--ink);}
p{margin:0 0 1.25em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .18s ease-out;}
a:hover{color:var(--accent);}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
summary{list-style:none;}
summary::-webkit-details-marker{display:none;}
:focus-visible{outline:3px solid rgba(242,84,45,.45);outline-offset:2px;border-radius:8px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.section{padding:76px 0;}
.section-tight{padding:52px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-bottom:30px;}
.section-head h2{font-size:clamp(1.35rem,2.4vw,1.8rem);}
.section-head .section-desc{margin:8px 0 0;color:var(--ink-2);font-size:15px;max-width:640px;}
.text-link{color:var(--accent);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.text-link:hover{color:var(--brand);}
.mono{font-variant-numeric:tabular-nums;}

/* ================= 按钮 ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .16s ease-out,background .16s ease-out,border-color .16s ease-out,color .16s ease-out,box-shadow .16s ease-out;
}
.btn i{font-size:14px;}
.btn-sm{padding:10px 16px;font-size:13px;border-radius:9px;}
.btn-lg{padding:16px 30px;font-size:16px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(242,84,45,.28);}
.btn-primary:hover{background:var(--brand-600);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(242,84,45,.34);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.btn-ghost-dark{background:transparent;border-color:rgba(255,255,255,.32);color:#fff;}
.btn-ghost-dark:hover{background:rgba(255,255,255,.08);border-color:#fff;color:#fff;transform:translateY(-1px);}
.btn-block{width:100%;}

/* ================= 头部导航 ================= */
.site-header{
  position:sticky;top:0;z-index:80;
  padding:14px 0;
  background:rgba(247,245,241,.94);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  transition:padding .2s ease-out;
}
.site-header.is-scrolled{padding:8px 0;}
.nav-card{
  position:relative;
  display:flex;align-items:center;gap:18px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh1);padding:10px 14px;
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled .nav-card{box-shadow:var(--sh2);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  position:relative;display:grid;place-items:center;
  width:40px;height:40px;border-radius:12px;
  background:var(--dark);color:#fff;font-weight:800;font-size:17px;line-height:1;
}
.brand-mark i{position:absolute;right:5px;bottom:5px;font-size:8px;color:var(--brand);}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text b{font-size:16px;letter-spacing:.5px;color:var(--ink);}
.brand-text span{font-size:11px;color:var(--ink-3);letter-spacing:.6px;}
.nav-links{display:flex;align-items:stretch;justify-content:center;gap:8px;flex:1 1 auto;}
.nav-item{
  display:flex;flex-direction:column;align-items:center;gap:4px;
  padding:8px 12px;border-radius:12px;
  font-size:12px;color:var(--ink-2);border-bottom:2px solid transparent;
  transition:background .16s ease-out,color .16s ease-out,border-color .16s ease-out;
}
.nav-item i{font-size:14px;color:var(--ink-3);transition:color .16s ease-out;}
.nav-item:hover{background:#FAF8F5;color:var(--ink);}
.nav-item:hover i{color:var(--accent);}
.nav-item.active{background:var(--brand-soft);border-bottom-color:var(--brand);color:var(--ink);font-weight:600;}
.nav-item.active i{color:var(--brand);}
.nav-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  place-items:center;color:var(--ink-2);background:#fff;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}

/* ================= 首页横幅 ================= */
.page-hero{position:relative;overflow:hidden;background:var(--dark);color:var(--ink-inv);padding:60px 0 72px;}
.page-hero .hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.55;}
.page-hero .hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,22,28,.70) 0%,rgba(20,22,28,.94) 100%);
}
.hero-inner{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(244,242,239,.62);margin-bottom:20px;flex-wrap:wrap;}
.crumb a{color:rgba(244,242,239,.62);}
.crumb a:hover{color:var(--accent);}
.crumb .sep{opacity:.5;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(242,84,45,.16);border:1px solid rgba(242,84,45,.38);
  color:#FFB8A3;font-size:12px;font-weight:600;letter-spacing:.5px;margin-bottom:18px;
}
.eyebrow i{color:var(--brand);}
.page-hero h1{
  font-size:clamp(1.8rem,3.8vw,2.7rem);
  line-height:1.3;color:#fff;letter-spacing:.5px;max-width:820px;
}
.hero-sub{margin:16px 0 0;font-size:17px;line-height:1.85;color:var(--ink-inv-2);max-width:660px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;margin:30px 0 0;}
.hero-stat .num{font-size:30px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;line-height:1.2;}
.hero-stat .num span{font-size:14px;color:var(--ink-inv-2);margin-left:4px;font-weight:500;}
.hero-stat .label{font-size:12px;color:var(--ink-inv-2);letter-spacing:.5px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px;}

/* ================= 倒计时 ================= */
.countdown{display:flex;gap:10px;margin-top:26px;}
.cd-block{
  min-width:72px;padding:12px 10px;border-radius:12px;text-align:center;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
}
.cd-block .cd-num{font-size:34px;font-weight:700;color:#fff;line-height:1.1;font-variant-numeric:tabular-nums;transition:opacity .2s ease-out;}
.cd-block .cd-num.tick{opacity:.55;}
.cd-block .cd-label{font-size:11px;color:var(--ink-inv-2);letter-spacing:1px;margin-top:6px;}

/* ================= 筛选工具条 ================= */
.toolbar{padding:26px 0 4px;}
.filter-bar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh1);padding:14px 18px;
}
.chips{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  padding:9px 16px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
  font-size:13px;font-weight:500;color:var(--ink-2);line-height:1;
  transition:background .16s ease-out,color .16s ease-out,border-color .16s ease-out,transform .16s ease-out;
}
.chip:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(242,84,45,.26);}
.view-toggle{display:flex;gap:6px;}
.view-btn{
  width:36px;height:36px;border-radius:9px;border:1px solid var(--line);background:#fff;
  display:grid;place-items:center;color:var(--ink-3);transition:all .16s ease-out;
}
.view-btn:hover{border-color:var(--brand);color:var(--brand);}
.view-btn.is-active{border-color:var(--ink);color:var(--ink);background:#FAF8F5;}

/* ================= 场次大卡 ================= */
.schedule-wrap{padding:26px 0 60px;}
.live-card{
  display:flex;gap:18px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh1);padding:16px;margin-bottom:18px;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.live-card:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:rgba(242,84,45,.30);}
.lc-cover{position:relative;flex:0 0 42%;border-radius:12px;overflow:hidden;aspect-ratio:16/9;background:#E9E5DF;}
.lc-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out;}
.live-card:hover .lc-cover img{transform:scale(1.04);}
.badge{
  position:absolute;top:10px;left:10px;padding:4px 11px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1.4;color:#fff;
}
.badge-live{background:var(--brand);}
.badge-replay{background:var(--accent);}
.badge-soon{background:rgba(20,22,28,.78);}
.lc-body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:10px;}
.lc-tagrow{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;gap:5px;
  padding:3px 11px;border-radius:var(--r-pill);
  background:var(--accent-soft);color:#0B7C6F;font-size:12px;font-weight:600;line-height:1.7;
}
.tag.tag-warn{background:var(--brand-soft);color:#C63C17;}
.lc-body h3{font-size:19px;line-height:1.45;}
.lc-body h3 a:hover{color:var(--brand);}
.lc-body p{font-size:15px;color:var(--ink-2);line-height:1.8;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.lc-meta{display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--ink-3);margin-top:auto;}
.lc-meta span{display:inline-flex;align-items:center;gap:6px;}
.lc-meta i{color:var(--ink-3);font-size:12px;}
.lc-meta .hl{color:var(--brand);font-weight:600;}
.lc-meta .hl i{color:var(--brand);}

/* ================= 侧栏 ================= */
.side-sticky{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px;}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh1);padding:22px;
}
.side-card.accent{border-color:rgba(242,84,45,.42);box-shadow:0 12px 30px rgba(242,84,45,.13);}
.side-card h3{font-size:17px;margin-bottom:6px;}
.side-card .side-note{font-size:13px;color:var(--ink-3);line-height:1.75;margin:0 0 16px;}
.field{margin-bottom:12px;}
.input{
  width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:#fff;font-size:15px;transition:border-color .16s ease-out,box-shadow .16s ease-out;
}
.input::placeholder{color:#A9ADB5;}
.input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(242,84,45,.18);}
.tabs{display:flex;gap:6px;background:#F2EFEA;padding:4px;border-radius:var(--r-pill);margin-bottom:14px;}
.tab{flex:1;padding:8px 10px;border-radius:var(--r-pill);font-size:13px;color:var(--ink-2);line-height:1.6;transition:all .16s ease-out;}
.tab.is-active{background:#fff;color:var(--ink);font-weight:600;box-shadow:var(--sh1);}
.check{display:flex;gap:8px;align-items:flex-start;font-size:12px;color:var(--ink-3);line-height:1.6;margin:12px 0 14px;}
.check input{margin-top:3px;accent-color:var(--brand);}
.form-msg{font-size:13px;color:var(--accent);margin:10px 0 0;display:none;}
.form-msg.show{display:block;}

/* ================= 时间轴 ================= */
.timeline{position:relative;padding-left:22px;margin-top:4px;}
.timeline::before{
  content:"";position:absolute;left:5px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--accent),#DDE7E4);
}
.tl-item{position:relative;padding-bottom:18px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-22px;top:7px;width:10px;height:10px;border-radius:50%;
  background:#fff;border:2px solid var(--accent);
}
.tl-item.is-hot::before{border-color:var(--brand);background:var(--brand);}
.tl-date{font-size:12px;color:var(--ink-3);letter-spacing:.5px;}
.tl-title{font-size:14px;color:var(--ink);font-weight:600;margin-top:2px;line-height:1.6;}
.tl-time{font-size:12px;color:var(--ink-3);margin-top:2px;font-variant-numeric:tabular-nums;}

/* ================= 分页 ================= */
.pager{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:26px;}
.page-num{
  min-width:42px;height:42px;padding:0 12px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;font-size:14px;color:var(--ink-2);font-weight:600;
  transition:all .16s ease-out;
}
.page-num:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.page-num.is-active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(242,84,45,.26);}
.page-nav{
  display:inline-flex;align-items:center;gap:8px;padding:0 18px;height:42px;
  border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
  font-size:14px;color:var(--ink-2);transition:all .16s ease-out;
}
.page-nav:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}

/* ================= 步骤轨道 ================= */
.track{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative;margin-top:8px;}
.track::before{
  content:"";position:absolute;left:8%;right:8%;top:44px;height:2px;
  background:repeating-linear-gradient(90deg,var(--line) 0 10px,transparent 10px 20px);
}
.step{
  position:relative;text-align:center;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:26px 18px 22px;box-shadow:var(--sh1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:rgba(242,84,45,.28);}
.step-num{
  position:relative;z-index:2;width:46px;height:46px;border-radius:50%;
  background:var(--dark);color:#fff;display:grid;place-items:center;
  margin:0 auto 14px;font-weight:700;font-size:16px;font-variant-numeric:tabular-nums;
}
.step:nth-child(2) .step-num{background:var(--brand);}
.step h4{font-size:16px;margin-bottom:8px;}
.step p{font-size:13px;color:var(--ink-2);line-height:1.8;margin:0;}

/* ================= 图文交错 ================= */
.feature-row{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center;padding:32px 0;}
.feature-row.reverse .feature-media{order:2;}
.feature-media{border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh2);aspect-ratio:16/10;background:#E9E5DF;}
.feature-media img{width:100%;height:100%;object-fit:cover;}
.feature-text h3{font-size:clamp(1.2rem,2.2vw,1.6rem);margin-bottom:14px;}
.feature-text p{font-size:16px;color:var(--ink-2);line-height:1.9;max-width:640px;}
.feature-list{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.feature-list li{display:flex;gap:10px;font-size:15px;color:var(--ink-2);line-height:1.8;}
.feature-list i{color:var(--accent);margin-top:7px;font-size:12px;}

/* ================= FAQ ================= */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh1);overflow:hidden;position:relative;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.faq-item:hover{border-color:rgba(242,84,45,.28);box-shadow:var(--sh2);}
.faq-item summary{
  position:relative;cursor:pointer;padding:18px 54px 18px 20px;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.65;
}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--brand);transition:transform .2s ease-out;
}
.faq-item[open] summary::after{content:"−";}
.faq-item[open]{border-left:3px solid var(--brand);}
.faq-answer{padding:0 20px 20px;font-size:15px;color:var(--ink-2);line-height:1.9;}

/* ================= 底部 CTA ================= */
.cta-band{
  background:var(--dark);border-radius:var(--r-card);padding:38px 36px;
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  box-shadow:0 0 0 1px rgba(242,84,45,.38),0 0 46px rgba(242,84,45,.18);
}
.cta-band h2{color:#fff;font-size:clamp(1.3rem,2.4vw,1.75rem);margin-bottom:10px;}
.cta-band p{color:var(--ink-inv-2);font-size:15px;margin:0;max-width:560px;line-height:1.85;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ================= 页脚 ================= */
.site-footer{background:var(--dark);color:var(--ink-inv-2);margin-top:80px;padding:58px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;}
.footer-brand b{display:block;color:#fff;font-size:18px;letter-spacing:.5px;margin-bottom:12px;}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--ink-inv-2);margin:0 0 16px;}
.social{display:flex;gap:10px;}
.social a{
  width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.22);
  display:grid;place-items:center;color:#fff;font-size:14px;
  transition:all .18s ease-out;
}
.social a:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px);}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.5px;}
.footer-col ul li{margin-bottom:11px;font-size:14px;}
.footer-col ul li a{color:var(--ink-inv-2);}
.footer-col ul li a:hover{color:var(--accent);text-decoration:underline;text-underline-offset:3px;}
.footer-contact li{display:flex;gap:9px;align-items:flex-start;color:var(--ink-inv-2);}
.footer-contact i{color:var(--brand);margin-top:6px;font-size:12px;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);margin-top:40px;padding-top:20px;
  font-size:13px;color:#8A8F99;
}

/* ================= 移动端底部操作条 ================= */
.mobile-cta{display:none;}

/* ================= 响应式 ================= */
@media screen and (max-width:1024px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .section{padding:60px 0;}
  .nav-links{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    display:none;grid-template-columns:repeat(2,1fr);gap:10px;
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    box-shadow:var(--sh2);padding:14px;z-index:90;
  }
  .nav-card.is-open .nav-links{display:grid;}
  .nav-item{flex-direction:row;justify-content:flex-start;gap:10px;padding:12px;font-size:13px;border-bottom:2px solid transparent;background:#FAF8F5;}
  .nav-item.active{background:var(--brand-soft);border-bottom-color:var(--brand);}
  .nav-toggle{display:grid;}
  .side-sticky{position:static;}
  .track{grid-template-columns:repeat(2,1fr);}
  .track::before{display:none;}
  .feature-row{grid-template-columns:1fr;gap:26px;}
  .feature-row.reverse .feature-media{order:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .faq-grid{grid-template-columns:1fr;}
  .hero-stats{gap:26px;}
}
@media screen and (max-width:640px){
  body{font-size:16px;padding-bottom:70px;}
  .container{padding:0 18px;}
  .section{padding:48px 0;}
  .section-tight{padding:36px 0;}
  .site-header{padding:10px 0;}
  .nav-card{gap:10px;padding:8px 10px;}
  .brand-text span{display:none;}
  .nav-actions .btn-ghost{display:none;}
  .page-hero{padding:44px 0 52px;}
  .hero-stats{gap:20px;}
  .hero-stat .num{font-size:24px;}
  .hero-cta{flex-direction:column;}
  .hero-cta .btn{width:100%;}
  .countdown{gap:8px;}
  .cd-block{flex:1;min-width:0;padding:10px 6px;}
  .cd-block .cd-num{font-size:26px;}
  .filter-bar{padding:12px;}
  .live-card{flex-direction:column;gap:14px;}
  .lc-cover{flex:0 0 auto;width:100%;}
  .track{grid-template-columns:1fr;}
  .cta-band{padding:26px 20px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .mobile-cta{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:95;gap:10px;
    padding:10px 16px;background:rgba(20,22,28,.96);
    backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  }
  .mobile-cta .btn{flex:1;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --brand:#F2542D;
  --brand-dark:#d8451f;
  --brand-soft:rgba(242,84,45,.10);
  --cyan:#12A594;
  --cyan-soft:rgba(18,165,148,.12);
  --ink:#14161C;
  --ink-2:#1C1E24;
  --paper:#F7F5F1;
  --surface:#FFFFFF;
  --line:#E4E0DA;
  --text:#1C1E24;
  --text-2:#5C6169;
  --text-3:#8A8F99;
  --text-inv:#F4F2EF;
  --text-inv-2:#A8ADB6;
  --r-card:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 6px 18px rgba(20,22,28,.06);
  --sh-2:0 14px 32px rgba(20,22,28,.12);
  --sh-dark:0 20px 44px rgba(0,0,0,.45);
  --gap:24px;
  --sect:88px;
  --max:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.9;
  padding-bottom:0;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--cyan);}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 1.25em;}
ul{margin:0;padding:0;list-style:none;}
input,select,textarea{font-family:inherit;font-size:15px;}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;}
.section{padding:var(--sect) 0;}
.section-sm{padding:56px 0;}
.section-title{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;flex-wrap:wrap;}
.section-title h2{font-size:clamp(1.4rem,2.4vw,1.85rem);}
.section-title .sub{color:var(--text-2);font-size:15px;margin-top:8px;}
.link-more{color:var(--cyan);font-size:15px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{gap:10px;}

/* ---------- 公告条 ---------- */
.topbar{background:var(--ink);color:var(--text-inv-2);font-size:13.5px;height:36px;display:flex;align-items:center;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar .tb-left{display:flex;align-items:center;gap:10px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;}
.topbar .tb-left i{color:var(--brand);}
.topbar .tb-close{background:none;border:0;color:var(--text-inv-2);font-size:14px;line-height:1;padding:4px 6px;border-radius:6px;transition:background .18s var(--ease),color .18s var(--ease);}
.topbar .tb-close:hover{background:rgba(255,255,255,.08);color:#fff;}
.topbar.is-hidden{display:none;}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;padding:14px 0;background:linear-gradient(180deg,rgba(247,245,241,.96),rgba(247,245,241,.82));backdrop-filter:blur(8px);transition:padding .2s var(--ease),box-shadow .2s var(--ease);}
.site-header.is-stuck{padding:8px 0;box-shadow:0 8px 24px rgba(20,22,28,.08);}
.nav-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:14px 18px;
  display:flex;align-items:center;gap:18px;
  transition:box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.site-header.is-stuck .nav-card{box-shadow:var(--sh-2);}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:17px;position:relative;letter-spacing:-.02em;
  box-shadow:0 6px 14px rgba(242,84,45,.32);
}
.brand-mark i{font-size:9px;position:absolute;right:6px;bottom:6px;opacity:.9;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text b{font-size:16px;color:var(--ink-2);}
.brand-text span{font-size:11.5px;color:var(--text-3);letter-spacing:.06em;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:wrap;}
.nav-item{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  min-width:96px;padding:8px 10px;border-radius:12px;
  font-size:12.5px;color:var(--text-2);font-weight:600;
  border-bottom:2px solid transparent;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.nav-item i{font-size:15px;color:var(--text-3);transition:color .18s var(--ease);}
.nav-item:hover{background:#FBF9F6;color:var(--ink);transform:translateY(-1px);}
.nav-item:hover i{color:var(--cyan);}
.nav-item.active{background:var(--brand-soft);color:var(--brand);border-bottom-color:var(--brand);}
.nav-item.active i{color:var(--brand);}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{display:none;background:var(--paper);border:1px solid var(--line);border-radius:10px;width:40px;height:40px;color:var(--ink-2);font-size:16px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
  white-space:nowrap;
}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(242,84,45,.45);}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(242,84,45,.26);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 24px rgba(242,84,45,.32);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 10px rgba(242,84,45,.24);}
.btn-outline{background:#fff;color:var(--ink-2);border-color:var(--line);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);box-shadow:var(--sh-1);}
.btn-outline:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--ink-2);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);}
.btn-dark-ghost{background:transparent;color:var(--text-inv);border-color:rgba(255,255,255,.24);}
.btn-dark-ghost:hover{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.4);}
.btn-sm{padding:10px 16px;font-size:13.5px;border-radius:9px;}
.btn-block{width:100%;}

/* ---------- 面包屑 ---------- */
.crumb{padding:22px 0 4px;font-size:13px;color:var(--text-3);}
.crumb .container{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.crumb a:hover{color:var(--cyan);}
.crumb .sep{color:#C9C4BC;}
.crumb .cur{color:var(--text-2);font-weight:600;}

/* ---------- 分类头 ---------- */
.cat-head{padding:18px 0 0;}
.cat-head .tagline{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;color:var(--cyan);background:var(--cyan-soft);border-radius:var(--r-pill);padding:5px 14px;margin-bottom:16px;letter-spacing:.02em;}
.cat-head h1{font-size:clamp(1.7rem,3.4vw,2.5rem);color:var(--ink-2);max-width:900px;}
.cat-head .lead{color:var(--text-2);max-width:740px;margin-top:16px;font-size:16.5px;}
.cat-meta{display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:22px;font-size:13.5px;color:var(--text-3);}
.cat-meta span{display:inline-flex;align-items:center;gap:7px;}
.cat-meta i{color:var(--brand);}
.filter-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:26px;padding-top:22px;border-top:1px solid var(--line);}
.pills{display:flex;flex-wrap:wrap;gap:9px;}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:var(--r-pill);
  font-size:13.5px;font-weight:600;color:var(--text-2);
  background:#fff;border:1px solid var(--line);
  transition:all .18s var(--ease);
}
.pill:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);}
.pill.active{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 8px 16px rgba(242,84,45,.24);}
.view-switch{display:flex;gap:8px;}
.view-switch button{
  width:38px;height:38px;border-radius:10px;background:#fff;border:1px solid var(--line);
  color:var(--text-3);font-size:14px;transition:all .18s var(--ease);
}
.view-switch button:hover{border-color:var(--cyan);color:var(--cyan);}
.view-switch button.active{background:var(--ink);border-color:var(--ink);color:#fff;}

/* ---------- 特写大卡 ---------- */
.feature{
  position:relative;overflow:hidden;border-radius:var(--r-card);
  min-height:420px;display:flex;align-items:flex-end;
  background-image:linear-gradient(90deg,rgba(20,22,28,.90) 0%,rgba(20,22,28,.66) 56%,rgba(20,22,28,.42) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  box-shadow:var(--sh-dark);
  margin-top:34px;
}
.feature-inner{padding:44px 40px;max-width:660px;color:var(--text-inv);}
.feature .badges{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:18px;}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;padding:5px 13px;border-radius:var(--r-pill);background:var(--cyan-soft);color:#5FE3D2;letter-spacing:.02em;}
.badge.badge-orange{background:rgba(242,84,45,.18);color:#FFA98C;}
.feature h2{font-size:clamp(1.4rem,2.8vw,2.1rem);margin-bottom:14px;line-height:1.35;}
.feature p{color:var(--text-inv-2);font-size:15.5px;margin-bottom:20px;max-width:560px;}
.feature .meta-row{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13px;color:var(--text-inv-2);}
.feature .meta-row i{color:var(--brand);margin-right:6px;}

/* ---------- 交错网格 ---------- */
.mosaic{margin-top:26px;}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  height:100%;display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(242,84,45,.3);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EDE9E3;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);}
.card:hover .card-media img{transform:scale(1.04);}
.card-media .corner{position:absolute;top:12px;left:12px;font-size:11.5px;font-weight:700;padding:4px 11px;border-radius:var(--r-pill);background:rgba(20,22,28,.78);color:#8FE9DD;backdrop-filter:blur(3px);}
.card-media .corner.hot{background:rgba(242,84,45,.92);color:#fff;}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:18.5px;line-height:1.5;color:var(--ink-2);}
.card-body p{font-size:14.5px;color:var(--text-2);line-height:1.8;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:12px;border-top:1px dashed var(--line);font-size:12.5px;color:var(--text-3);}
.card-foot .arrow{color:var(--cyan);font-size:14px;transition:transform .18s var(--ease);}
.card:hover .card-foot .arrow{transform:translateX(4px);}
.tag{display:inline-flex;align-items:center;font-size:12px;font-weight:600;padding:3px 11px;border-radius:var(--r-pill);background:var(--cyan-soft);color:#0E8C7D;}
.tag.orange{background:var(--brand-soft);color:var(--brand);}
.card-lg .card-body h3{font-size:21px;}
.card-lg .card-media{aspect-ratio:4/3;}
.mini-list{display:flex;flex-direction:column;gap:16px;}
.mini{display:flex;gap:14px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px;box-shadow:var(--sh-1);transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);}
.mini:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(18,165,148,.35);}
.mini img{width:96px;height:66px;object-fit:cover;border-radius:10px;flex-shrink:0;background:#EDE9E3;}
.mini .mini-body{display:flex;flex-direction:column;gap:5px;min-width:0;}
.mini h4{font-size:15px;color:var(--ink-2);line-height:1.5;}
.mini span{font-size:12.5px;color:var(--text-3);}

/* ---------- 专题轨道 ---------- */
.topic-rail{display:flex;gap:18px;overflow-x:auto;padding:6px 4px 22px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;}
.topic-rail::-webkit-scrollbar{height:6px;}
.topic-rail::-webkit-scrollbar-thumb{background:#D8D2C9;border-radius:999px;}
.topic-card{
  flex:0 0 300px;scroll-snap-align:start;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:20px;display:flex;flex-direction:column;gap:12px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(242,84,45,.3);}
.topic-card .tc-top{display:flex;align-items:center;gap:12px;}
.topic-card .tc-icon{width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:17px;flex-shrink:0;}
.topic-card h3{font-size:16.5px;color:var(--ink-2);}
.topic-card p{font-size:14px;color:var(--text-2);margin:0;line-height:1.75;}
.topic-card .tc-foot{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-3);border-top:1px dashed var(--line);padding-top:12px;margin-top:auto;}
.topic-card .tc-foot b{color:var(--cyan);font-weight:600;}

/* ---------- 数据条 ---------- */
.stats{background:var(--ink);color:var(--text-inv);padding:52px 0;}
.stats .grid-x{border:1px solid rgba(255,255,255,.10);border-radius:var(--r-card);overflow:hidden;}
.stat{padding:28px 22px;text-align:center;border-right:1px solid rgba(255,255,255,.10);}
.stat:last-child{border-right:0;}
.stat b{display:block;font-size:32px;font-weight:800;font-variant-numeric:tabular-nums;color:#fff;letter-spacing:-.02em;}
.stat b em{font-style:normal;font-size:16px;color:var(--brand);margin-left:2px;}
.stat span{display:block;font-size:12.5px;color:var(--text-inv-2);margin-top:8px;letter-spacing:.04em;}

/* ---------- 深度追踪 ---------- */
.focus-card{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--brand);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:26px 28px;height:100%;transition:transform .2s var(--ease),box-shadow .2s var(--ease);}
.focus-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.focus-card h3{font-size:17.5px;color:var(--ink-2);margin-bottom:10px;}
.focus-card p{font-size:14.5px;color:var(--text-2);margin:0;}
.focus-card .num{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:9px;background:var(--brand);color:#fff;font-size:13px;font-weight:800;margin-bottom:14px;}

/* ---------- FAQ ---------- */
.faq-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;height:100%;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);}
.faq-wrap.open{border-color:rgba(242,84,45,.4);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;background:none;border:0;text-align:left;
  padding:20px 22px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--ink-2);line-height:1.6;
  position:relative;transition:background .18s var(--ease),color .18s var(--ease);
}
.faq-q::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--brand);opacity:0;transition:opacity .2s var(--ease);}
.faq-wrap.open .faq-q::before{opacity:1;}
.faq-q:hover{background:#FDFBF8;color:var(--brand);}
.faq-q:focus-visible{outline:none;box-shadow:inset 0 0 0 3px rgba(242,84,45,.35);}
.faq-q i{font-size:14px;color:var(--text-3);transition:transform .2s var(--ease),color .2s var(--ease);flex-shrink:0;}
.faq-wrap.open .faq-q i{transform:rotate(180deg);color:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a .inner{padding:0 22px 22px;color:var(--text-2);font-size:15px;line-height:1.85;}
.faq-wrap.open .faq-a{max-height:320px;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);border-radius:var(--r-card);
  padding:44px 42px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  position:relative;overflow:hidden;box-shadow:var(--sh-dark);
}
.cta-band::after{content:"";position:absolute;inset:0;border-radius:var(--r-card);border:1px solid rgba(242,84,45,.45);box-shadow:0 0 40px rgba(242,84,45,.25) inset;pointer-events:none;}
.cta-band h2{color:#fff;font-size:clamp(1.3rem,2.4vw,1.7rem);margin-bottom:10px;}
.cta-band p{color:var(--text-inv-2);font-size:15px;margin:0;max-width:520px;}
.cta-band .cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2;}
.cta-band .cta-copy{position:relative;z-index:2;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--text-inv-2);padding:66px 0 26px;margin-top:var(--sect);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand b{display:block;color:#fff;font-size:17px;margin-bottom:14px;}
.footer-brand p{font-size:14px;line-height:1.85;max-width:340px;}
.social{display:flex;gap:10px;margin-top:18px;}
.social a{
  width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.18);
  display:flex;align-items:center;justify-content:center;color:var(--text-inv-2);font-size:14px;
  transition:all .18s var(--ease);
}
.social a:hover{border-color:var(--cyan);color:var(--cyan);transform:translateY(-2px);}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{font-size:14px;transition:color .18s var(--ease);}
.footer-col ul a:hover{color:var(--cyan);text-decoration:underline;text-underline-offset:3px;}
.footer-contact li{display:flex;gap:10px;font-size:14px;margin-bottom:12px;line-height:1.7;}
.footer-contact i{color:var(--brand);margin-top:5px;flex-shrink:0;}
.footer-bottom{margin-top:46px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#7C828C;}

/* ---------- 移动端 ---------- */
@media (max-width:1024px){
  :root{--sect:64px;}
  .nav-item{min-width:82px;font-size:12px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .feature{min-height:360px;}
}
@media (max-width:860px){
  .nav-links{display:none;width:100%;order:3;margin-left:0;}
  .nav-card{flex-wrap:wrap;gap:12px;}
  .nav-card.is-open .nav-links{display:grid;grid-template-columns:1fr 1fr;gap:8px;}
  .nav-card.is-open .nav-item{min-width:0;padding:14px 8px;background:#FBF9F6;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-actions .btn-ghost{display:none;}
}
@media (max-width:640px){
  :root{--sect:48px;--gap:16px;}
  body{font-size:16px;}
  .container{padding:0 18px;}
  .topbar .tb-left span{max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .brand-text span{display:none;}
  .nav-actions .btn-sm{padding:9px 12px;font-size:12.5px;}
  .feature-inner{padding:28px 22px;}
  .feature{min-height:340px;margin-top:24px;}
  .cat-meta{gap:8px 16px;}
  .cta-band{padding:30px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .stat{border-right:0;border-bottom:1px solid rgba(255,255,255,.10);}
  .stat:last-child{border-bottom:0;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .mini{flex-direction:row;}
  .mini img{width:84px;height:60px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category3 */
/* ========== 设计变量 ========== */
:root{
  --primary:#F2542D;
  --primary-600:#D8411E;
  --primary-soft:rgba(242,84,45,.10);
  --teal:#12A594;
  --teal-600:#0E8174;
  --teal-soft:rgba(18,165,148,.12);
  --ink:#14161C;
  --paper:#F7F5F1;
  --surface:#FFFFFF;
  --line:#E4E0DA;
  --text:#1C1E24;
  --text-2:#5C6169;
  --text-3:#8A8F99;
  --on-dark:#F4F2EF;
  --on-dark-2:#A8ADB6;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-1:0 6px 18px rgba(20,22,28,.06);
  --shadow-2:0 14px 32px rgba(20,22,28,.12);
  --shadow-dark:0 20px 44px rgba(0,0,0,.45);
  --section:88px;
  --container:1200px;
  --ease:cubic-bezier(.4,0,.2,1);
}

/* ========== 基础重置 ========== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body,html,h1,h2,h3,h4,h5,h6,p,ul,ol,li,dl,dd,dt{margin:0;}
h1,h2,h3,h4,h5,h6{font-family:inherit;color:inherit;font-weight:700;}
ul,ol{list-style:none;padding:0;margin:0;}
li{margin:0;}
p{font-family:inherit;font-size:inherit;line-height:inherit;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease);}
img{max-width:100%;height:auto;display:block;border:0;}
button,input,select,textarea{font:inherit;color:inherit;margin:0;}
button{border:0;background:none;cursor:pointer;}
table{border-collapse:collapse;}
:focus-visible{outline:3px solid rgba(242,84,45,.45);outline-offset:2px;border-radius:6px;}

/* ========== 容器与栅格 ========== */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-margin-x>.cell{padding-left:0;padding-right:0;}

/* ========== 顶部导航 ========== */
.site-header{
  position:sticky;top:0;z-index:80;
  padding:12px 0;
  background:rgba(247,245,241,.82);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:padding .2s var(--ease),border-color .2s var(--ease);
}
.site-header.is-stuck{padding:6px 0;border-bottom-color:var(--line);}
.nav-card{
  display:flex;align-items:center;gap:18px;
  background:var(--surface);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:10px 16px;
  transition:box-shadow .2s var(--ease);
}
.site-header.is-stuck .nav-card{box-shadow:var(--shadow-2);}

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  position:relative;width:40px;height:40px;border-radius:12px;
  background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:800;letter-spacing:-.02em;
}
.brand-mark i{
  position:absolute;right:-5px;bottom:-5px;width:18px;height:18px;border-radius:50%;
  background:var(--ink);color:#fff;font-size:7px;
  display:flex;align-items:center;justify-content:center;padding-left:1px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.18;}
.brand-text b{font-size:16px;font-weight:800;letter-spacing:.01em;}
.brand-text span{font-size:12px;color:var(--text-3);letter-spacing:.02em;}

.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-item{
  display:flex;flex-direction:column;align-items:center;gap:2px;
  min-width:74px;padding:8px 10px 6px;border-radius:12px;
  border-bottom:2px solid transparent;
  color:var(--text-2);font-size:13px;line-height:1.4;white-space:nowrap;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.nav-item i{font-size:15px;color:var(--text-3);transition:color .18s var(--ease);}
.nav-item:hover{background:#F1EEE8;color:var(--text);}
.nav-item:hover i{color:var(--primary);}
.nav-item.active{color:var(--primary);background:var(--primary-soft);border-bottom-color:var(--primary);}
.nav-item.active i{color:var(--primary);}

.nav-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--text);
  align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--primary);color:var(--primary);}

/* ========== 按钮体系 ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.02em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s var(--ease),background .18s var(--ease),
             box-shadow .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn-sm{padding:10px 16px;font-size:13px;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(242,84,45,.28);}
.btn-primary:hover{background:var(--primary-600);color:#fff;transform:translateY(-1px);box-shadow:0 10px 22px rgba(242,84,45,.34);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 10px rgba(242,84,45,.24);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--text);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-ghost-dark{background:transparent;border-color:rgba(255,255,255,.28);color:var(--on-dark);}
.btn-ghost-dark:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08);transform:translateY(-1px);}

/* ========== 徽章 / 标签 ========== */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;line-height:1.6;
  background:var(--teal-soft);color:var(--teal-600);
}
.badge-orange{background:var(--primary-soft);color:var(--primary-600);}
.badge-dark{background:rgba(255,255,255,.10);color:var(--on-dark);border:1px solid rgba(255,255,255,.16);}

/* ========== 页头 Banner ========== */
.page-head{
  position:relative;overflow:hidden;
  background:var(--ink);color:var(--on-dark);
  padding:62px 0 56px;
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.92;
}
.page-head::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,22,28,.70),rgba(20,22,28,.93));
}
.page-head .container{position:relative;z-index:2;}

.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--on-dark-2);margin-bottom:20px;}
.crumbs a{color:var(--on-dark-2);}
.crumbs a:hover{color:var(--teal);}
.crumbs .sep{opacity:.45;}
.crumbs .current{color:var(--on-dark);font-weight:600;}

.page-head h1{
  font-size:clamp(1.9rem,4vw,3rem);
  line-height:1.28;font-weight:800;letter-spacing:.01em;
}
.page-head .lead{
  margin-top:16px;font-size:17px;line-height:1.85;
  color:var(--on-dark-2);max-width:660px;
}
.head-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px;}

/* ========== 主区 ========== */
.main-wrap{padding:56px 0 88px;}

.anchor-sticky{position:sticky;top:96px;}
.anchor-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);box-shadow:var(--shadow-1);
  padding:20px 14px;
}
.anchor-card h3{
  font-size:12px;letter-spacing:.14em;color:var(--text-3);
  font-weight:700;padding:0 10px 12px;text-transform:uppercase;
}
.anchor-link{
  display:block;padding:9px 12px;border-radius:10px;
  font-size:14px;line-height:1.6;color:var(--text-2);
  border-left:3px solid transparent;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.anchor-link:hover{background:#F1EEE8;color:var(--text);}
.anchor-link.is-current{
  color:var(--primary-600);border-left-color:var(--primary);
  background:var(--primary-soft);font-weight:600;
}

.help-card{
  margin-top:16px;background:var(--ink);color:var(--on-dark);
  border-radius:var(--radius-card);padding:22px 18px;
  box-shadow:var(--shadow-1);
}
.help-card b{display:block;font-size:15px;font-weight:700;}
.help-card p{font-size:13px;line-height:1.75;color:var(--on-dark-2);margin-top:8px;}
.help-card .btn{margin-top:16px;width:100%;}

/* ========== 引导卡片 ========== */
.guide-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:32px 34px;
  margin-bottom:20px;
  scroll-margin-top:110px;
  transition:box-shadow .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.guide-card:hover{
  box-shadow:var(--shadow-2);
  border-color:rgba(242,84,45,.30);
  transform:translateY(-3px);
}
.guide-head{display:flex;align-items:center;gap:14px;margin-bottom:18px;}
.guide-num{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-soft);color:var(--primary-600);
  font-weight:800;font-size:15px;font-variant-numeric:tabular-nums;
}
.guide-head h2{font-size:22px;line-height:1.4;font-weight:800;}
.guide-card p{color:var(--text-2);max-width:730px;}
.guide-card p + p{margin-top:14px;}
.guide-card strong{color:var(--text);font-weight:600;}

.tick-list{margin-top:18px;display:grid;gap:10px;max-width:730px;}
.tick-list li{
  position:relative;padding-left:26px;
  font-size:16px;line-height:1.8;color:var(--text-2);
}
.tick-list li::before{
  content:"";position:absolute;left:6px;top:.78em;
  width:7px;height:7px;border-radius:2px;
  background:var(--teal);transform:rotate(45deg);
}

.guide-figure{margin-top:22px;border-radius:14px;overflow:hidden;border:1px solid var(--line);}
.guide-figure img{width:100%;aspect-ratio:16/7;object-fit:cover;}
.guide-figure figcaption{
  font-size:13px;color:var(--text-3);
  padding:10px 14px;background:#FCFBF9;border-top:1px solid var(--line);
}

/* ========== 四步轨道 ========== */
.steps-track{
  background:var(--ink);color:var(--on-dark);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-dark);
  padding:34px 30px;
  margin-bottom:20px;
  scroll-margin-top:110px;
}
.steps-track h2{font-size:20px;font-weight:800;}
.track-sub{font-size:14px;color:var(--on-dark-2);margin-top:6px;}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:28px;}
.step{position:relative;padding-right:20px;}
.step::after{
  content:"";position:absolute;left:48px;right:14px;top:19px;
  height:1px;background:rgba(255,255,255,.18);
}
.step:last-child::after{display:none;}
.step-idx{
  position:relative;z-index:1;
  width:40px;height:40px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary);color:#fff;
  font-weight:800;font-size:16px;font-variant-numeric:tabular-nums;
  box-shadow:0 0 0 6px rgba(242,84,45,.14);
}
.step h3{margin-top:16px;font-size:16px;font-weight:700;line-height:1.5;}
.step p{margin-top:6px;font-size:13px;line-height:1.7;color:var(--on-dark-2);}

/* ========== 参数行卡列表 ========== */
.spec-list{
  margin-top:18px;background:#FCFBF9;
  border:1px solid var(--line);border-radius:14px;overflow:hidden;
  max-width:730px;
}
.spec-list li{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:14px 18px;border-bottom:1px solid var(--line);
  font-size:15px;line-height:1.7;
}
.spec-list li:last-child{border-bottom:0;}
.spec-list span{color:var(--text-3);flex:0 0 auto;}
.spec-list b{color:var(--text);font-weight:600;text-align:right;}

/* ========== FAQ ========== */
.faq-list{display:grid;gap:12px;margin-top:20px;max-width:730px;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);
  border-radius:14px;overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item:hover{border-color:rgba(242,84,45,.30);box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;
  font-size:16px;font-weight:600;line-height:1.6;color:var(--text);
  border-left:3px solid transparent;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.faq-q:hover{background:#FCFBF9;}
.faq-item.is-open .faq-q{border-left-color:var(--primary);color:var(--primary-600);}
.faq-q i{flex:0 0 auto;font-size:13px;color:var(--text-3);transition:transform .22s var(--ease),color .22s var(--ease);}
.faq-item.is-open .faq-q i{transform:rotate(45deg);color:var(--primary);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease);}
.faq-a p{
  padding:0 20px 18px 23px;
  font-size:15px;line-height:1.85;color:var(--text-2);
}
.faq-item.is-open .faq-a{max-height:400px;}

/* ========== 结尾 CTA ========== */
.cta-card{
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
  background:var(--surface);
  border:1px solid rgba(242,84,45,.45);
  border-radius:var(--radius-card);
  padding:30px 32px;
  box-shadow:0 0 0 6px rgba(242,84,45,.06),var(--shadow-1);
  margin-top:8px;
  scroll-margin-top:110px;
}
.cta-card h2{font-size:21px;font-weight:800;line-height:1.4;}
.cta-card p{margin-top:8px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:580px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ========== 页脚 ========== */
.site-footer{
  background:var(--ink);color:var(--on-dark);
  padding:64px 0 28px;margin-top:24px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.25fr;gap:36px;}
.footer-brand b{display:block;font-size:17px;font-weight:800;line-height:1.5;}
.footer-brand p{margin-top:12px;font-size:14px;line-height:1.85;color:var(--on-dark-2);max-width:340px;}
.social{display:flex;gap:10px;margin-top:18px;}
.social a{
  width:38px;height:38px;border-radius:50%;
  border:1px solid rgba(255,255,255,.20);
  display:flex;align-items:center;justify-content:center;
  color:var(--on-dark-2);font-size:14px;
  transition:border-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.social a:hover{border-color:var(--teal);color:var(--teal);transform:translateY(-2px);}
.footer-col h4{font-size:14px;font-weight:700;letter-spacing:.04em;margin-bottom:14px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:var(--on-dark-2);}
.footer-col a:hover{color:var(--teal);text-decoration:underline;text-underline-offset:3px;}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:var(--on-dark-2);}
.footer-contact i{color:var(--primary);margin-top:5px;}
.footer-bottom{
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.10);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--on-dark-2);
}

/* ========== 响应式 ========== */
@media (max-width:1024px){
  :root{--section:64px;}
  .nav-card{flex-wrap:wrap;gap:12px;}
  .brand{margin-right:auto;}
  .nav-toggle{display:flex;}
  .nav-links{display:none;}
  .nav-card.is-open .nav-links{
    display:grid;grid-template-columns:repeat(2,1fr);gap:8px;
    width:100%;order:4;margin:12px 0 0;
    padding-top:12px;border-top:1px solid var(--line);
  }
  .nav-card.is-open .nav-links .nav-item{
    flex-direction:row;justify-content:flex-start;gap:10px;
    min-width:0;padding:12px 14px;font-size:14px;
    border:1px solid var(--line);border-bottom-width:1px;border-radius:12px;
  }
  .nav-card.is-open .nav-links .nav-item.active{border-color:var(--primary);}
  .anchor-sticky{position:static;}
  .anchor-card{margin-bottom:20px;}
  .help-card{margin-bottom:20px;}
  .steps{grid-template-columns:repeat(2,1fr);row-gap:28px;}
  .step::after{display:none;}
  .step{padding-right:16px;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:30px;}
}

@media (max-width:640px){
  :root{--section:48px;}
  .container{padding:0 18px;}
  body{font-size:16px;}
  .brand-text span{display:none;}
  .nav-actions .btn-ghost{display:none;}
  .nav-card{padding:8px 12px;}
  .page-head{padding:42px 0 38px;}
  .page-head .lead{font-size:15px;}
  .main-wrap{padding:40px 0 64px;}
  .guide-card{padding:22px 18px;}
  .guide-head h2{font-size:19px;}
  .guide-num{width:36px;height:36px;font-size:14px;}
  .steps-track{padding:26px 20px;}
  .steps{grid-template-columns:1fr;}
  .spec-list li{flex-direction:column;align-items:flex-start;gap:4px;}
  .spec-list b{text-align:left;}
  .cta-card{padding:24px 20px;flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important;}
  html{scroll-behavior:auto;}
}