/* roulang page: index */
:root{
  --ink-900:#10141A;
  --ink-700:#2A3139;
  --ink-500:#5C6672;
  --line:#E3E7DE;
  --bg:#F5F7F2;
  --surface:#FFFFFF;
  --brand:#B7E400;
  --brand-deep:#6E8A00;
  --accent:#FF5A1F;
  --dark:#0E1318;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(16,20,26,.06);
  --shadow-2:0 12px 28px -14px rgba(16,20,26,.24);
  --container:1200px;
  --ease:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-700);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  padding-top:64px;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;}
h1{font-size:clamp(32px,5vw,56px);font-weight:800;line-height:1.12;letter-spacing:-.02em;}
h2{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:700;}
h3{font-size:20px;line-height:1.4;font-weight:700;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:40px;}
.section-head p{max-width:620px;color:var(--ink-500);font-size:15px;margin:8px 0 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand-deep);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:3px;background:var(--brand);border-radius:2px;}
.muted{color:var(--ink-500);font-size:13px;line-height:1.6;}
.num{font-family:"DIN Alternate","Roboto Condensed",ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.02em;}

/* 导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;
  height:64px;background:rgba(245,247,242,.86);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid transparent;
  transition:background-color var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.site-header.is-scrolled{background:rgba(255,255,255,.96);border-bottom-color:var(--line);box-shadow:var(--shadow-1);}
.nav-inner{height:64px;display:flex;align-items:center;gap:22px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--ink-900);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand);font-weight:800;font-size:16px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:15px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em;}
.brand-text span{font-size:11px;color:var(--ink-500);letter-spacing:.06em;}
.nav-divider{width:1px;height:26px;background:var(--line);flex-shrink:0;}
.nav-links{display:flex;align-items:center;gap:4px;flex:1;min-width:0;overflow:hidden;}
.nav-links a{
  position:relative;padding:8px 12px;font-size:15px;font-weight:600;color:var(--ink-700);
  border-radius:8px;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.nav-links a:hover{color:var(--ink-900);}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--ink-900);}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-search{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 14px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-btn);
  color:var(--ink-500);font-size:14px;min-width:150px;
}
.nav-search i{color:var(--brand-deep);}
.nav-search input{border:0;outline:0;background:transparent;font-size:14px;width:100%;color:var(--ink-700);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:var(--surface);color:var(--ink-900);
  align-items:center;justify-content:center;font-size:16px;
}
.drawer{
  position:fixed;inset:0;z-index:80;background:var(--dark);
  padding:78px 24px 24px;display:none;flex-direction:column;
}
.drawer.is-open{display:flex;}
.drawer-close{
  position:absolute;top:18px;right:20px;width:40px;height:40px;border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.18);background:transparent;color:#fff;font-size:16px;
}
.drawer-links{display:flex;flex-direction:column;gap:2px;flex:1;overflow-y:auto;}
.drawer-links a{
  color:#EDF1E6;font-size:18px;font-weight:600;padding:14px 4px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer-links a:hover,.drawer-links a.is-active{color:var(--brand);}
.drawer-cta{margin-top:20px;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background-color var(--ease),color var(--ease),transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.btn-primary{background:var(--brand);color:var(--ink-900);}
.btn-primary:hover{background:#A6CE00;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-dark{background:var(--ink-900);color:#fff;}
.btn-dark:hover{background:#1B2027;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--ink-900);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--brand-deep);color:var(--brand-deep);}
.btn-light{background:#fff;color:var(--ink-900);}
.btn-light:hover{background:#EDF3DD;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}

/* Hero */
.hero{padding:56px 0 0;}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:center;}
.hero-copy h1{margin-bottom:20px;}
.hero-copy .lead{font-size:17px;color:var(--ink-500);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 32px;}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;border-top:1px solid var(--line);padding-top:24px;}
.hero-stats .value{font-size:26px;font-weight:800;color:var(--ink-900);line-height:1.2;}
.hero-stats .label{font-size:13px;color:var(--ink-500);margin-top:4px;}
.hero-visual{
  position:relative;border-radius:var(--radius-card);overflow:hidden;
  min-height:440px;background:#0B0F14 url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,19,24,.55),rgba(14,19,24,.62));}
.hero-visual-inner{position:relative;z-index:2;height:100%;padding:32px;display:flex;flex-direction:column;justify-content:space-between;color:#fff;}
.hero-visual-inner .tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;
  border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);color:#fff;
}
.tag--brand{background:var(--brand);border-color:var(--brand);color:var(--ink-900);}
.hero-visual-inner h2{color:#fff;font-size:clamp(20px,2.2vw,26px);max-width:420px;}
.float-card{
  position:relative;background:var(--surface);border-radius:var(--radius-card);
  padding:20px 22px;color:var(--ink-700);box-shadow:var(--shadow-2);
  margin-top:auto;max-width:400px;
}
.float-card h3{font-size:16px;margin-bottom:10px;}
.float-list li{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px dashed var(--line);font-size:14px;}
.float-list li:last-child{border-bottom:0;}
.float-list span:last-child{color:var(--brand-deep);font-weight:700;}

/* 倒计时条 */
.countdown-bar{background:var(--dark);color:#fff;margin-top:56px;}
.countdown-inner{display:flex;align-items:center;gap:28px;padding:20px 0;flex-wrap:wrap;}
.countdown-label{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:700;letter-spacing:.06em;color:#C9D2BE;}
.countdown-label i{color:var(--accent);}
.countdown-digits{display:flex;gap:12px;flex:1;min-width:280px;}
.digit-box{
  flex:1;min-width:64px;text-align:center;padding:8px 6px;border-radius:var(--radius-img);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
}
.digit-box .n{display:block;font-size:24px;font-weight:800;color:var(--brand);line-height:1.2;}
.digit-box .u{display:block;font-size:12px;color:#A9B3A0;margin-top:2px;}
.countdown-bar .btn{flex-shrink:0;}

/* 活动卖点 */
.feature-list{border-top:1px solid var(--line);}
.feature-item{
  display:grid;grid-template-columns:96px 1fr;gap:24px;align-items:start;
  padding:30px 0;border-bottom:1px solid var(--line);
}
.feature-item .idx{
  font-family:"DIN Alternate","Roboto Condensed",ui-monospace,monospace;
  font-size:34px;font-weight:800;color:var(--brand-deep);line-height:1;letter-spacing:.02em;
}
.feature-item h3{margin-bottom:8px;}
.feature-item p{color:var(--ink-500);font-size:15px;margin:0;max-width:760px;}

/* 图墙 */
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:180px;gap:18px;}
.gallery-item{position:relative;overflow:hidden;border-radius:var(--radius-img);display:block;background:#0B0F14;}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease-out;}
.gallery-item::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,19,24,.06),rgba(14,19,24,.72));
  transition:background-color var(--ease);
}
.gallery-item figcaption{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:2;color:#fff;
}
.gallery-item figcaption strong{display:block;font-size:16px;font-weight:700;}
.gallery-item figcaption span{font-size:12.5px;color:rgba(255,255,255,.78);}
.gallery-item:hover img{transform:scale(1.03);}
.gallery-item:hover::after{background:linear-gradient(180deg,rgba(14,19,24,.2),rgba(14,19,24,.85));}
.gallery-item--wide{grid-column:span 2;}
.gallery-item--tall{grid-row:span 2;}

/* 信任数据 */
.trust{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.trust-item{padding:26px 24px;border:1px solid var(--line);border-radius:var(--radius-card);background:var(--bg);}
.trust-item .value{font-size:30px;font-weight:800;color:var(--ink-900);line-height:1.15;}
.trust-item .label{font-size:14px;font-weight:700;color:var(--ink-900);margin-top:10px;}
.trust-item p{font-size:13.5px;color:var(--ink-500);margin:6px 0 0;line-height:1.7;}

/* CTA 横幅 */
.cta-band{position:relative;background:#0B0F14 url('/assets/images/backpic/back-2.webp') center/cover no-repeat;}
.cta-band::before{content:"";position:absolute;inset:0;background:rgba(14,19,24,.62);}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;padding:80px 0;color:#fff;}
.cta-inner h2{color:#fff;}
.cta-inner p{color:#C7D0BC;font-size:15px;max-width:460px;}
.cta-points{margin-top:22px;display:flex;flex-direction:column;gap:10px;}
.cta-points li{display:flex;gap:10px;font-size:14.5px;color:#DDE5D2;}
.cta-points i{color:var(--brand);margin-top:5px;}
.cta-form{background:var(--surface);border-radius:var(--radius-card);padding:28px;color:var(--ink-700);}
.cta-form h3{margin-bottom:6px;}
.form-row{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap;}
.form-row input{
  flex:1;min-width:200px;height:48px;padding:0 16px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:#fff;font-size:15px;color:var(--ink-900);
  transition:border-color var(--ease);
}
.form-row input:focus{border-color:var(--brand);outline:none;}
.form-row input.is-error{border-color:var(--accent);}
.form-note{font-size:13px;color:var(--ink-500);margin-top:12px;}
.form-msg{font-size:13.5px;color:var(--accent);margin-top:10px;min-height:18px;}

/* FAQ */
.faq-wrap{max-width:880px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0 22px 0;background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink-900);position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:-18px;top:14px;bottom:14px;width:3px;
  background:var(--brand);border-radius:2px;opacity:0;transition:opacity var(--ease);
}
.faq-item.is-open .faq-q::before{opacity:1;}
.faq-q i{color:var(--brand-deep);transition:transform var(--ease);flex-shrink:0;}
.faq-item.is-open .faq-q i{transform:rotate(180deg);}
.faq-a{display:none;padding:0 0 24px;font-size:15px;line-height:1.8;color:var(--ink-500);max-width:760px;}
.faq-item.is-open .faq-a{display:block;}
.faq-foot{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.faq-foot .muted{flex:1;min-width:240px;}

/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D3DBC8;}
.news-media{display:block;aspect-ratio:16/10;overflow:hidden;background:#E9EDE3;}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease-out;}
.news-card:hover .news-media img{transform:scale(1.03);}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  background:#EEF4DC;color:var(--brand-deep);font-size:12px;font-weight:700;letter-spacing:.02em;
  align-self:flex-start;
}
.news-body h3{font-size:17px;line-height:1.45;}
.news-body h3 a:hover{color:var(--brand-deep);}
.news-body p{font-size:14px;color:var(--ink-500);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12.5px;color:var(--ink-500);padding-top:12px;border-top:1px solid var(--line);}
.news-meta a{color:var(--brand-deep);font-weight:700;}
.news-card--lead{grid-column:span 2;grid-row:span 2;}
.news-card--lead .news-media{aspect-ratio:16/9;}
.news-card--lead .news-body{padding:26px;}
.news-card--lead h3{font-size:23px;}
.news-card--lead p{font-size:15px;-webkit-line-clamp:3;}
.empty-state{
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius-card);
  padding:56px 24px;text-align:center;
}
.empty-state i{font-size:30px;color:var(--brand-deep);}
.empty-state p{color:var(--ink-500);margin:14px 0 20px;font-size:15px;}

/* 页脚 */
.site-footer{background:var(--dark);color:#B9C2B0;padding:72px 0 0;font-size:14.5px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand strong{display:block;color:#fff;font-size:16px;font-weight:800;margin-bottom:14px;}
.footer-brand p{font-size:14px;color:#96A08D;line-height:1.8;max-width:340px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:#B9C2B0;}
.footer-col a:hover{color:var(--brand);}
.footer-qr{display:flex;gap:14px;align-items:flex-start;margin-top:6px;}
.footer-qr .box{
  width:96px;height:96px;border-radius:var(--radius-img);flex-shrink:0;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:center;color:#8E9A85;font-size:12px;text-align:center;
}
.footer-qr .txt{font-size:13px;color:#96A08D;line-height:1.7;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#87927E;
}
.footer-bottom a{color:#87927E;}
.footer-bottom a:hover{color:var(--brand);}

/* 回到顶部 */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:70;
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  background:var(--surface);color:var(--ink-900);box-shadow:var(--shadow-2);
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease),transform var(--ease);
}
.to-top.is-visible{opacity:1;visibility:visible;}
.to-top:hover{transform:translateY(-2px);background:var(--brand);border-color:var(--brand);}

/* 响应式 */
@media (max-width:1279px){
  .container{padding:0 28px;}
  .nav-search{min-width:120px;}
}
@media (max-width:1023px){
  body{padding-top:56px;}
  .site-header,.nav-inner{height:56px;}
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .nav-links,.nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-divider{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-visual{min-height:360px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .news-card--lead{grid-column:span 2;grid-row:auto;}
  .gallery-grid{grid-template-columns:repeat(2,1fr);grid-auto-rows:170px;}
  .gallery-item--wide{grid-column:span 2;}
  .trust-grid{grid-template-columns:repeat(2,1fr);}
  .cta-inner{grid-template-columns:1fr;gap:32px;padding:64px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .hero{padding-top:28px;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:14px;}
  .countdown-inner{gap:16px;}
  .countdown-digits{gap:8px;min-width:0;}
  .feature-item{grid-template-columns:56px 1fr;gap:16px;padding:24px 0;}
  .feature-item .idx{font-size:26px;}
  .gallery-grid{grid-template-columns:1fr;grid-auto-rows:200px;}
  .gallery-item--wide,.gallery-item--tall{grid-column:auto;grid-row:auto;}
  .news-grid{grid-template-columns:1fr;}
  .news-card--lead{grid-column:auto;}
  .news-card--lead h3{font-size:19px;}
  .trust-grid{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:479px){
  .brand-text span{display:none;}
  .countdown-bar .btn{width:100%;}
  .digit-box .n{font-size:20px;}
  .cta-form{padding:20px;}
}

/* roulang page: article */
:root{
  --ink-900:#10141A;
  --ink-700:#2A3139;
  --ink-500:#5C6672;
  --line:#E3E7DE;
  --bg:#F5F7F2;
  --surface:#FFFFFF;
  --brand:#B7E400;
  --brand-deep:#6E8A00;
  --accent:#FF5A1F;
  --dark:#0E1318;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --radius-input:10px;
  --shadow-sm:0 1px 2px rgba(16,20,26,.06);
  --shadow-lg:0 12px 28px -14px rgba(16,20,26,.24);
  --pad-section:96px;
  --nav-h:64px;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"DIN Alternate","Roboto Condensed",ui-monospace,"SFMono-Regular",Menlo,monospace;
  --t:180ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink-700);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:inherit;text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t);}
a:hover{color:var(--brand-deep);}
h1,h2,h3,h4{margin:0;color:var(--ink-900);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:var(--pad-section) 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head h2{font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.25;letter-spacing:-.01em;}
.section-head .sub{color:var(--ink-500);font-size:14.5px;line-height:1.7;max-width:520px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--brand-deep);text-transform:uppercase;margin-bottom:14px;}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);display:block;}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;height:48px;padding:0 24px;font-size:15px;font-weight:600;border-radius:var(--radius-btn);border:1px solid transparent;transition:all var(--t);white-space:nowrap;}
.btn-primary{background:var(--brand);color:var(--ink-900);}
.btn-primary:hover{background:#C6F21A;color:var(--ink-900);transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--ink-900);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--brand-deep);color:var(--brand-deep);transform:translateY(-1px);}
.btn-dark{background:var(--dark);color:#fff;border-color:rgba(255,255,255,.16);}
.btn-dark:hover{background:#171E25;color:#fff;transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:var(--radius-btn);}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(245,247,242,.92);backdrop-filter:blur(10px);border-bottom:1px solid transparent;transition:background var(--t),border-color var(--t),box-shadow var(--t);}
.site-header.is-scrolled{background:#fff;border-bottom-color:var(--line);box-shadow:0 6px 20px -18px rgba(16,20,26,.5);}
.nav-inner{height:var(--nav-h);display:flex;align-items:center;gap:20px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{width:38px;height:38px;border-radius:11px;background:var(--dark);color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:19px;letter-spacing:-.02em;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:16.5px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em;}
.brand-text span{font-size:12px;color:var(--ink-500);letter-spacing:.02em;}
.nav-divider{width:1px;height:26px;background:var(--line);flex-shrink:0;}
.nav-links{display:flex;align-items:center;gap:6px;flex:1;min-width:0;overflow:hidden;}
.nav-links a{position:relative;font-size:14.5px;font-weight:500;color:var(--ink-700);padding:6px 10px;border-radius:8px;white-space:nowrap;}
.nav-links a::after{content:"";position:absolute;left:10px;right:10px;bottom:-2px;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform var(--t);}
.nav-links a:hover,.nav-links a.is-active{color:var(--ink-900);}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-search{display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;background:#fff;border:1px solid var(--line);border-radius:999px;transition:border-color var(--t);}
.nav-search:focus-within{border-color:var(--brand-deep);}
.nav-search i{color:var(--ink-500);font-size:13px;}
.nav-search input{border:none;outline:none;background:transparent;width:120px;font-size:14px;color:var(--ink-900);}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:var(--radius-btn);background:#fff;color:var(--ink-900);font-size:16px;}
.mobile-drawer{display:none;}

/* 文章页头部 */
.article-hero{position:relative;background-image:linear-gradient(115deg,rgba(14,19,24,.94),rgba(14,19,24,.72)),url("/assets/images/backpic/back-1.png");background-size:cover;background-position:center;color:#fff;padding:56px 0 64px;overflow:hidden;}
.article-hero::after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(115deg,rgba(183,228,0,.07) 0 2px,transparent 2px 26px);pointer-events:none;}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:22px;}
.breadcrumb a{color:rgba(255,255,255,.82);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{opacity:.5;}
.cat-chip{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;background:rgba(183,228,0,.16);border:1px solid rgba(183,228,0,.42);color:var(--brand);font-size:13px;font-weight:600;letter-spacing:.02em;}
.article-hero h1{font-size:clamp(28px,4.2vw,46px);font-weight:800;line-height:1.18;letter-spacing:-.02em;color:#fff;margin:20px 0 20px;max-width:940px;}
.article-hero .lead{max-width:860px;font-size:16px;line-height:1.85;color:rgba(255,255,255,.78);}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 24px;margin-top:26px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);font-size:13.5px;color:rgba(255,255,255,.72);}
.meta-row span{display:inline-flex;align-items:center;gap:8px;}
.meta-row i{color:var(--brand);font-size:12.5px;}
.meta-row .num{font-family:var(--font-num);letter-spacing:.02em;color:#fff;font-weight:600;}

/* 正文布局 */
.article-main{padding:64px 0 24px;}
.article-wrap{max-width:820px;margin:0 auto;}
.article-body{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:44px 46px;box-shadow:var(--shadow-sm);}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:0 0 1.1em;font-size:16.5px;line-height:1.85;color:var(--ink-700);}
.article-body h2{font-size:clamp(21px,2.4vw,26px);font-weight:700;line-height:1.35;margin:2em 0 .8em;padding-left:14px;border-left:3px solid var(--brand);}
.article-body h3{font-size:19px;font-weight:700;line-height:1.45;margin:1.7em 0 .6em;}
.article-body h4{font-size:17px;font-weight:700;margin:1.4em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:2px;}
.article-body ul li,.article-body ol li{position:relative;padding-left:22px;margin-bottom:.6em;line-height:1.85;color:var(--ink-700);}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--brand);}
.article-body ol{counter-reset:item;}
.article-body ol li::before{counter-increment:item;content:counter(item);position:absolute;left:0;top:.34em;width:18px;height:18px;border-radius:6px;background:rgba(183,228,0,.22);color:var(--brand-deep);font-size:11.5px;font-weight:700;display:flex;align-items:center;justify-content:center;font-family:var(--font-num);}
.article-body blockquote{margin:1.6em 0;padding:20px 24px;background:#F7F9F2;border-left:3px solid var(--brand-deep);border-radius:0 var(--radius-img) var(--radius-img) 0;color:var(--ink-700);font-size:15.5px;line-height:1.85;}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{margin:1.6em 0;width:100%;border-radius:var(--radius-img);}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--ink-500);text-align:center;margin-top:10px;}
.article-body a{color:var(--brand-deep);border-bottom:1px solid rgba(110,138,0,.35);}
.article-body a:hover{color:var(--ink-900);border-bottom-color:var(--ink-900);}
.article-body strong{color:var(--ink-900);font-weight:700;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:2.2em 0;}
.article-body code{font-family:var(--font-num);font-size:14px;background:#F1F4EC;border:1px solid var(--line);border-radius:6px;padding:2px 6px;color:var(--ink-900);}

/* 阅读提示 */
.read-tip{display:flex;gap:16px;align-items:flex-start;margin-top:24px;padding:20px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);}
.read-tip i{width:38px;height:38px;flex-shrink:0;border-radius:11px;background:rgba(183,228,0,.2);color:var(--brand-deep);display:flex;align-items:center;justify-content:center;font-size:15px;}
.read-tip p{font-size:14.5px;line-height:1.8;color:var(--ink-500);margin:0;}

/* 标签 */
.tag-block{margin-top:32px;display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.tag-block .label{font-size:13.5px;color:var(--ink-500);font-weight:600;margin-right:2px;}
.tag{display:inline-flex;align-items:center;height:32px;padding:0 15px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13.5px;color:var(--ink-700);transition:all var(--t);}
.tag:hover{border-color:var(--brand-deep);color:var(--brand-deep);transform:translateY(-1px);}

/* 相关推荐 */
.related{padding:72px 0 8px;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;display:flex;flex-direction:column;transition:transform var(--t),box-shadow var(--t),border-color var(--t);}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#D3DAC9;}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:#E9EDE2;}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform 400ms ease-out;}
.card:hover .card-media img{transform:scale(1.03);}
.card-media .badge{position:absolute;left:12px;top:12px;height:26px;padding:0 12px;border-radius:999px;background:rgba(14,19,24,.82);color:var(--brand);font-size:12px;font-weight:600;display:inline-flex;align-items:center;}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:17.5px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card:hover .card-body h3{color:var(--brand-deep);}
.card-body p{font-size:14.5px;line-height:1.75;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:14px;border-top:1px solid var(--line);font-size:13px;color:var(--ink-500);}
.card-foot .more{font-weight:600;color:var(--ink-900);}
.card:hover .card-foot .more{color:var(--brand-deep);}

/* 空态 */
.empty-state{text-align:center;padding:64px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);}
.empty-state i{font-size:30px;color:var(--brand-deep);}
.empty-state h3{margin:16px 0 8px;font-size:19px;}
.empty-state p{color:var(--ink-500);font-size:14.5px;margin-bottom:20px;}

/* CTA 横幅 */
.cta-band{position:relative;background-image:linear-gradient(115deg,rgba(14,19,24,.92),rgba(14,19,24,.66)),url("/assets/images/backpic/back-3.webp");background-size:cover;background-position:center;border-radius:20px;padding:52px 48px;color:#fff;display:grid;grid-template-columns:1.25fr .95fr;gap:40px;align-items:center;overflow:hidden;}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;border:1px solid rgba(183,228,0,.22);}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.3;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.76);font-size:15px;line-height:1.85;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.cta-panel{position:relative;z-index:2;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-card);padding:24px;}
.cta-panel h3{color:#fff;font-size:16px;margin-bottom:14px;}
.cta-panel .field{display:flex;gap:10px;}
.cta-panel input{flex:1;height:48px;padding:0 14px;border-radius:var(--radius-input);border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.94);color:var(--ink-900);font-size:14.5px;outline:none;}
.cta-panel input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(183,228,0,.24);}
.cta-panel .hint{margin-top:12px;font-size:13px;color:rgba(255,255,255,.62);line-height:1.7;}

/* 返回列表 */
.back-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:center;padding:56px 0 0;}

/* 页脚 */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);margin-top:var(--pad-section);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand strong{display:block;color:#fff;font-size:17px;font-weight:800;margin-bottom:14px;letter-spacing:-.01em;}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.68);}
.footer-col ul li a:hover{color:var(--brand);}
.footer-qr{display:flex;gap:14px;align-items:flex-start;}
.footer-qr .box{width:78px;height:78px;flex-shrink:0;border-radius:12px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;text-align:center;font-size:12px;line-height:1.5;color:rgba(255,255,255,.72);}
.footer-qr .txt{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.6);}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5);}

/* 回到顶部 */
.to-top{position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:14px;background:var(--dark);color:var(--brand);border:1px solid rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center;font-size:15px;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transform:translateY(8px);transition:all var(--t);z-index:70;}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{color:var(--ink-900);background:var(--brand);}

@media (max-width:1279px){
  .nav-search input{width:96px;}
}
@media (max-width:1023px){
  :root{--pad-section:72px;--nav-h:60px;}
  .container{padding:0 24px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .nav-search{display:none;}
  .mobile-drawer{display:block;position:fixed;inset:var(--nav-h) 0 0 0;background:#fff;z-index:55;padding:22px 24px 28px;overflow-y:auto;transform:translateX(100%);transition:transform 260ms ease-out;visibility:hidden;}
  .mobile-drawer.is-open{transform:translateX(0);visibility:visible;}
  .mobile-drawer a{display:block;padding:15px 4px;border-bottom:1px solid var(--line);font-size:16px;font-weight:600;color:var(--ink-900);}
  .mobile-drawer a.is-active{color:var(--brand-deep);}
  .mobile-drawer .drawer-cta{margin-top:24px;display:block;}
  .mobile-drawer .drawer-cta .btn{width:100%;}
  .article-body{padding:34px 30px;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--pad-section:56px;--nav-h:56px;}
  .container{padding:0 18px;}
  body{font-size:16px;}
  .brand-mark{width:34px;height:34px;font-size:17px;border-radius:10px;}
  .brand-text strong{font-size:15px;}
  .brand-text span{font-size:11px;}
  .article-hero{padding:40px 0 48px;}
  .article-hero h1{margin:16px 0 16px;}
  .article-main{padding:40px 0 16px;}
  .article-body{padding:26px 20px;border-radius:14px;}
  .article-body h2{margin-top:1.6em;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .related{padding:52px 0 0;}
  .related-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 22px;border-radius:16px;}
  .cta-panel .field{flex-direction:column;}
  .cta-panel .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:34px;}
  .footer-qr{flex-direction:row;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{right:14px;bottom:14px;}
}
@media (max-width:479px){
  .brand-text span{display:none;}
  .article-body{padding:22px 16px;}
  .meta-row{gap:8px 16px;}
}

/* roulang page: category1 */
:root{
  --ink-900:#10141A;
  --ink-700:#2A3139;
  --ink-500:#5C6672;
  --line:#E3E7DE;
  --bg:#F5F7F2;
  --surface:#FFFFFF;
  --brand:#B7E400;
  --brand-deep:#6E8A00;
  --accent:#FF5A1F;
  --dark:#0E1318;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(16,20,26,.06);
  --shadow-2:0 12px 28px -14px rgba(16,20,26,.24);
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-num:"DIN Alternate","Roboto Condensed",ui-monospace,Menlo,Consolas,monospace;
  --nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-700);
  font-family:var(--font-sans);
  font-size:16.5px;
  line-height:1.8;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .18s ease-out,background-color .18s ease-out,border-color .18s ease-out;}
a:hover{color:var(--brand-deep);}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
.section{padding:96px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.12em;
  color:var(--brand-deep);
  text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);display:block;}
.section-title{font-size:clamp(24px,3vw,36px);line-height:1.25;letter-spacing:-.01em;}
.section-sub{margin-top:16px;color:var(--ink-500);font-size:16px;line-height:1.8;max-width:720px;}
/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border:1px solid transparent;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  white-space:nowrap;
  transition:transform .18s ease-out,background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.btn-primary{background:var(--brand);color:var(--ink-900);box-shadow:var(--shadow-1);}
.btn-primary:hover{background:#a8d200;color:var(--ink-900);transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-ghost{background:transparent;color:var(--ink-900);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--brand-deep);color:var(--brand-deep);transform:translateY(-1px);}
.btn-dark{background:var(--dark);color:#fff;}
.btn-dark:hover{background:#1b232c;color:#fff;transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}
/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(245,247,242,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background-color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.site-header.is-scrolled{background:#fff;border-bottom-color:var(--line);box-shadow:var(--shadow-1);}
.nav-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:var(--nav-h);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;
  border-radius:10px;
  background:var(--dark);
  color:var(--brand);
  font-weight:800;
  font-size:18px;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:16px;color:var(--ink-900);letter-spacing:-.01em;}
.brand-text span{font-size:12px;color:var(--ink-500);}
.nav-divider{width:1px;height:24px;background:var(--line);flex-shrink:0;}
.nav-links{display:flex;align-items:center;gap:4px;flex:1;min-width:0;overflow:hidden;}
.nav-links a{
  position:relative;
  padding:8px 12px;
  font-size:14.5px;
  font-weight:500;
  color:var(--ink-700);
  border-radius:8px;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:2px;
  height:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .18s ease-out;
}
.nav-links a:hover{color:var(--ink-900);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--ink-900);font-weight:700;}
.nav-links a.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:40px;
  padding:0 14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  color:var(--ink-500);
  transition:border-color .18s ease-out;
}
.nav-search input{
  border:0;outline:0;background:transparent;
  width:132px;
  font-size:14px;color:var(--ink-900);
}
.nav-search input::placeholder{color:#9aa3ac;}
.nav-search:focus-within{border-color:var(--brand);}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:#fff;
  color:var(--ink-900);
  cursor:pointer;
  align-items:center;
  justify-content:center;
}
.mobile-panel{
  display:none;
  position:fixed;
  inset:var(--nav-h) 0 0 0;
  background:#fff;
  z-index:55;
  padding:24px 18px 100px;
  overflow-y:auto;
  flex-direction:column;
  gap:6px;
}
.mobile-panel.is-open{display:flex;}
.mobile-panel a{
  padding:14px 4px;
  font-size:17px;
  font-weight:600;
  color:var(--ink-900);
  border-bottom:1px solid var(--line);
}
.mobile-panel a.is-active{color:var(--brand-deep);}
.mobile-panel .panel-cta{margin-top:auto;padding-top:24px;border:0;}
/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-500);
  margin-bottom:20px;
}
.breadcrumb a{color:var(--ink-500);}
.breadcrumb a:hover{color:var(--brand-deep);}
.breadcrumb span.sep{opacity:.6;}
.breadcrumb .current{color:var(--ink-900);font-weight:600;}
/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;
  padding:56px 0 72px;
  overflow:hidden;
  background:var(--dark);
}
.page-hero-bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  opacity:.42;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(14,19,24,.92) 0%,rgba(14,19,24,.72) 52%,rgba(14,19,24,.42) 100%);
}
.hero-inner{position:relative;z-index:2;}
.page-hero .breadcrumb{color:rgba(255,255,255,.66);}
.page-hero .breadcrumb a{color:rgba(255,255,255,.66);}
.page-hero .breadcrumb a:hover{color:var(--brand);}
.page-hero .breadcrumb .current{color:#fff;}
.page-hero h1{
  color:#fff;
  font-size:clamp(32px,5vw,56px);
  font-weight:800;
  line-height:1.12;
  letter-spacing:-.02em;
  max-width:900px;
}
.hero-lede{
  margin-top:20px;
  max-width:720px;
  font-size:17px;
  line-height:1.8;
  color:rgba(255,255,255,.82);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:44px;
}
.hero-stats li{
  flex:1 1 180px;
  padding:18px 20px;
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-card);
  background:rgba(255,255,255,.06);
}
.hero-stats .num{
  display:block;
  font-family:var(--font-num);
  font-size:28px;
  font-weight:700;
  color:var(--brand);
  letter-spacing:.02em;
}
.hero-stats .lbl{display:block;margin-top:4px;font-size:13px;color:rgba(255,255,255,.7);}
/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:0;}
.timeline::before{
  content:"";
  position:absolute;
  top:8px;bottom:8px;
  left:118px;
  width:1px;
  background:var(--line);
}
.tl-item{
  display:grid;
  grid-template-columns:100px 1fr;
  gap:0 40px;
  position:relative;
  padding-bottom:24px;
}
.tl-date{
  text-align:right;
  padding-top:22px;
  position:relative;
}
.tl-date strong{
  display:block;
  font-family:var(--font-num);
  font-size:22px;
  font-weight:700;
  color:var(--ink-900);
  letter-spacing:.02em;
}
.tl-date span{display:block;font-size:13px;color:var(--ink-500);}
.tl-item::before{
  content:"";
  position:absolute;
  left:113px;
  top:30px;
  width:11px;height:11px;
  border-radius:50%;
  background:#fff;
  border:2px solid var(--brand-deep);
  z-index:2;
}
.tl-item.is-live::before{background:var(--accent);border-color:var(--accent);}
.tl-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px 24px;
  box-shadow:var(--shadow-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#d5dbcc;}
.tl-card-top{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:12px;}
.tl-time{
  font-family:var(--font-num);
  font-size:14px;
  color:var(--ink-500);
  letter-spacing:.02em;
}
.tl-card h3{font-size:20px;line-height:1.4;}
.tl-card p{margin-top:10px;font-size:15px;color:var(--ink-500);line-height:1.8;}
.tl-meta{
  display:flex;flex-wrap:wrap;gap:8px;
  margin-top:16px;padding-top:16px;
  border-top:1px solid var(--line);
}
.chip{
  display:inline-flex;align-items:center;
  padding:4px 12px;
  border-radius:999px;
  background:#F0F3EA;
  color:var(--ink-700);
  font-size:12.5px;
  font-weight:500;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.02em;
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;}
.badge-live{background:rgba(255,90,31,.12);color:#C63E0D;}
.badge-soon{background:rgba(183,228,0,.24);color:#5C7400;}
.badge-done{background:#EEF1EA;color:var(--ink-500);}
/* ---------- 编号卖点 ---------- */
.point-list{border-top:1px solid var(--line);}
.point-item{
  display:grid;
  grid-template-columns:88px 1fr;
  gap:24px;
  padding:28px 0;
  border-bottom:1px solid var(--line);
  transition:background-color .18s ease-out,padding-left .18s ease-out;
}
.point-item:hover{background:#fff;padding-left:12px;}
.point-num{
  font-family:var(--font-num);
  font-size:30px;
  font-weight:700;
  color:var(--brand-deep);
  line-height:1.2;
  letter-spacing:.02em;
}
.point-body h3{font-size:20px;margin-bottom:8px;}
.point-body p{font-size:15.5px;color:var(--ink-500);}
/* ---------- 场景卡片 ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#d5dbcc;}
.card-media{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--dark);
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease-out;}
.card:hover .card-media img{transform:scale(1.03);}
.card-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,19,24,0) 40%,rgba(14,19,24,.6) 100%);
  transition:opacity .18s ease-out;
}
.card:hover .card-media::after{opacity:.85;}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.card-body h3{font-size:18px;line-height:1.4;margin-bottom:10px;}
.card-body p{font-size:15px;color:var(--ink-500);flex:1;}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;margin-top:18px;padding-top:16px;
  border-top:1px solid var(--line);
  font-size:13.5px;color:var(--ink-500);
}
.card-foot .link{color:var(--brand-deep);font-weight:600;}
.card-foot .link:hover{color:var(--ink-900);}
/* ---------- 步骤 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  counter-reset:step;
}
.step{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 24px;
  box-shadow:var(--shadow-1);
}
.step .step-no{
  width:38px;height:38px;
  border-radius:50%;
  background:var(--brand);
  color:var(--ink-900);
  font-family:var(--font-num);
  font-weight:700;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--ink-500);}
/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line);}
.faq-item summary{
  position:relative;
  list-style:none;
  cursor:pointer;
  padding:22px 48px 22px 20px;
  font-size:16px;
  font-weight:600;
  color:var(--ink-900);
  transition:background-color .18s ease-out,color .18s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";
  position:absolute;
  left:0;top:18px;bottom:18px;
  width:3px;
  background:var(--brand);
  opacity:0;
  transition:opacity .18s ease-out;
}
.faq-item summary::after{
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  right:16px;top:24px;
  font-size:13px;
  color:var(--ink-500);
  transition:transform .18s ease-out,color .18s ease-out;
}
.faq-item[open] summary::before{opacity:1;}
.faq-item[open] summary::after{transform:rotate(180deg);color:var(--brand-deep);}
.faq-item summary:hover{color:var(--brand-deep);}
.faq-answer{
  padding:0 40px 24px 20px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-500);
}
/* ---------- CTA 横幅 ---------- */
.cta-band{
  position:relative;
  background:var(--dark);
  overflow:hidden;
  padding:72px 0;
}
.cta-band-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.28;
}
.cta-band::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(14,19,24,.94) 0%,rgba(14,19,24,.7) 60%,rgba(14,19,24,.5) 100%);
}
.cta-inner{
  position:relative;z-index:2;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:48px;
  align-items:center;
}
.cta-copy h2{color:#fff;font-size:clamp(24px,3vw,34px);line-height:1.25;}
.cta-copy p{margin-top:16px;color:rgba(255,255,255,.76);font-size:16px;max-width:520px;}
.cta-form{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-card);
  padding:24px;
}
.cta-form label{display:block;font-size:13.5px;color:rgba(255,255,255,.7);margin-bottom:8px;}
.cta-form .field{
  display:flex;gap:12px;
}
.cta-form input{
  flex:1;
  height:48px;
  padding:0 16px;
  border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.2);
  background:#fff;
  color:var(--ink-900);
  outline:0;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.cta-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(183,228,0,.24);}
.cta-form .hint{margin-top:12px;font-size:13px;color:rgba(255,255,255,.6);line-height:1.7;}
/* ---------- 返回首页 CTA ---------- */
.back-home{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:20px;
  padding:28px 32px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
}
.back-home h3{font-size:19px;margin-bottom:6px;}
.back-home p{font-size:14.5px;color:var(--ink-500);}
/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 0;}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand strong{
  display:block;
  color:#fff;
  font-size:18px;
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:14px;
}
.footer-brand p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.66);max-width:360px;}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:700;
  margin-bottom:18px;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.66);}
.footer-col a:hover{color:var(--brand);}
.footer-qr{display:flex;gap:14px;align-items:flex-start;}
.footer-qr .box{
  width:88px;height:88px;
  border-radius:var(--radius-img);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  display:flex;align-items:center;justify-content:center;
  text-align:center;
  font-size:12px;
  line-height:1.5;
  color:rgba(255,255,255,.7);
  flex-shrink:0;
}
.footer-qr .txt{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.6);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:12px;
  padding:24px 0 32px;
  font-size:13px;
  color:rgba(255,255,255,.5);
}
/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;
  right:24px;bottom:24px;
  width:46px;height:46px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-900);
  display:flex;align-items:center;justify-content:center;
  cursor:pointer;
  box-shadow:var(--shadow-1);
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s ease-out,background-color .18s ease-out;
  z-index:50;
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--brand);}
/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .nav-search input{width:104px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .nav-links{display:none;}
  .nav-divider{display:none;}
  .nav-toggle{display:flex;}
  .nav-search{display:none;}
  .nav-actions .btn-sm{display:none;}
  .brand-text span{display:none;}
  .timeline::before{left:82px;}
  .tl-item{grid-template-columns:72px 1fr;gap:0 26px;}
  .tl-item::before{left:77px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .cta-inner{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .page-hero{padding:36px 0 56px;}
  .hero-stats li{flex:1 1 100%;}
  .timeline::before{left:8px;}
  .tl-item{grid-template-columns:1fr;gap:0;padding-left:30px;padding-bottom:20px;}
  .tl-item::before{left:3px;top:26px;}
  .tl-date{text-align:left;padding-top:0;display:flex;align-items:baseline;gap:10px;margin-bottom:10px;}
  .tl-date strong{font-size:18px;}
  .point-item{grid-template-columns:56px 1fr;gap:16px;}
  .point-num{font-size:24px;}
  .card-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .back-home{padding:22px;flex-direction:column;align-items:flex-start;}
  .cta-form .field{flex-direction:column;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{right:16px;bottom:16px;}
}
@media (max-width:479px){
  .brand-text strong{font-size:14.5px;}
  .page-hero h1{font-size:30px;}
  .hero-actions .btn{width:100%;}
}

/* roulang page: category2 */
:root{
  --ink-900:#10141A;
  --ink-700:#2A3139;
  --ink-500:#5C6672;
  --line:#E3E7DE;
  --bg:#F5F7F2;
  --surface:#FFFFFF;
  --brand:#B7E400;
  --brand-deep:#6E8A00;
  --accent:#FF5A1F;
  --dark:#0E1318;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(16,20,26,.06);
  --sh-2:0 12px 28px -14px rgba(16,20,26,.24);
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  --font-num:"DIN Alternate","Roboto Condensed",ui-monospace,"SFMono-Regular",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-700);
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.8;
  letter-spacing:.005em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s ease-out}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-family:var(--font-cn)}
h1{font-size:clamp(32px,5vw,56px);font-weight:800;line-height:1.12;letter-spacing:-.02em}
h2{font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.25;letter-spacing:-.01em}
h3{font-size:20px;font-weight:700;line-height:1.4}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--brand-deep);text-transform:uppercase;
  font-family:var(--font-num);
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);display:inline-block}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(245,247,242,.82);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:background .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.site-header.is-scrolled{background:rgba(255,255,255,.96);border-bottom-color:var(--line);box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;gap:20px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--brand);
  color:var(--ink-900);font-weight:800;font-size:18px;
  display:flex;align-items:center;justify-content:center;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:15.5px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em}
.brand-text span{font-size:11.5px;color:var(--ink-500);letter-spacing:.02em}
.nav-divider{width:1px;height:28px;background:var(--line);flex:0 0 auto}
.nav-links{display:flex;align-items:center;gap:4px;flex:1 1 auto;min-width:0}
.nav-links a{
  position:relative;padding:8px 12px;font-size:14.5px;font-weight:500;
  color:var(--ink-700);white-space:nowrap;border-radius:8px;
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease-out;
}
.nav-links a:hover{color:var(--ink-900)}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--ink-900);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:8px;
  border:1px solid var(--line);background:var(--surface);
  border-radius:var(--r-input);padding:0 12px;height:40px;
  transition:border-color .18s ease-out;
}
.nav-search:focus-within{border-color:var(--brand-deep)}
.nav-search i{color:var(--ink-500);font-size:13px}
.nav-search input{
  border:0;background:transparent;height:100%;width:130px;
  font-size:14px;color:var(--ink-900);outline:none;
}
.nav-search input::placeholder{color:var(--ink-500)}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);
  background:var(--surface);border-radius:var(--r-input);
  color:var(--ink-900);font-size:16px;align-items:center;justify-content:center;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,border-color .18s ease-out;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--brand);color:var(--ink-900)}
.btn-primary:hover{background:#a6cf00}
.btn-dark{background:var(--dark);color:#fff;border-color:rgba(255,255,255,.16)}
.btn-dark:hover{background:#161d24}
.btn-ghost{background:transparent;color:var(--ink-900);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--brand-deep);color:var(--brand-deep)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;
  color:var(--brand-deep);
}
.btn-link i{font-size:12px;transition:transform .18s ease-out}
.btn-link:hover i{transform:translateX(3px)}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{max-width:720px;margin-bottom:40px}
.section-head p{margin-top:14px;color:var(--ink-500);font-size:16px}
.section-head h2{margin-top:12px}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ---------- Hero ---------- */
.hero{
  position:relative;padding:64px 0 72px;background:var(--bg);
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:40px;align-items:center}
.hero-copy .badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.hero-copy h1{margin-top:16px}
.hero-copy .lead{margin-top:20px;font-size:17px;color:var(--ink-700);max-width:520px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;margin-top:36px;padding-top:26px;border-top:1px solid var(--line);
}
.hero-stats .num{
  font-family:var(--font-num);font-size:26px;font-weight:700;color:var(--ink-900);
  letter-spacing:.02em;line-height:1.2;
}
.hero-stats .num em{font-style:normal;color:var(--brand-deep);font-size:16px;margin-left:2px}
.hero-stats .lab{font-size:13px;color:var(--ink-500);line-height:1.6;margin-top:4px}
.hero-visual{position:relative;border-radius:var(--r-card);overflow:hidden;min-height:400px;background:var(--dark)}
.hero-visual img{width:100%;height:100%;min-height:400px;object-fit:cover;position:absolute;inset:0;transform:scale(1.01);transition:transform .4s ease-out}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(14,19,24,.72),rgba(14,19,24,.42));
}
.hero-visual:hover img{transform:scale(1.05)}
.hero-float{
  position:absolute;left:24px;bottom:24px;z-index:3;
  background:var(--surface);border-radius:var(--r-card);
  padding:18px 20px;max-width:260px;box-shadow:var(--sh-2);
}
.hero-float .tag{
  display:inline-block;font-size:12px;font-weight:600;color:var(--ink-900);
  background:rgba(183,228,0,.55);border-radius:999px;padding:2px 10px;margin-bottom:10px;
}
.hero-float strong{display:block;font-size:16px;color:var(--ink-900);line-height:1.5}
.hero-float p{font-size:13px;color:var(--ink-500);margin-top:6px;line-height:1.7}
.hero-note{
  position:absolute;right:24px;top:24px;z-index:3;
  display:flex;align-items:center;gap:8px;
  background:rgba(14,19,24,.66);border:1px solid rgba(255,255,255,.18);
  border-radius:999px;padding:8px 14px;color:#fff;font-size:12.5px;
}
.hero-note i{color:var(--brand)}

/* ---------- 标签 / 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;line-height:1;
  padding:6px 12px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);color:var(--ink-700);
}
.badge-brand{background:rgba(183,228,0,.24);border-color:rgba(110,138,0,.28);color:var(--brand-deep)}
.badge-accent{background:rgba(255,90,31,.1);border-color:rgba(255,90,31,.28);color:#c23d0d}
.badge-dark{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2);color:#fff}

/* ---------- 准备清单（编号横条） ---------- */
.prep-list{border-top:1px solid var(--line)}
.prep-item{
  display:grid;grid-template-columns:88px 1fr;gap:24px;
  padding:28px 0;border-bottom:1px solid var(--line);
  transition:background .18s ease-out;
}
.prep-item:hover{background:rgba(255,255,255,.72)}
.prep-num{
  font-family:var(--font-num);font-size:30px;font-weight:700;
  color:var(--brand-deep);line-height:1;letter-spacing:.02em;
}
.prep-item h3{font-size:19px}
.prep-item p{margin-top:8px;font-size:15.5px;color:var(--ink-500);max-width:760px}

/* ---------- 步骤条 Z 字 ---------- */
.steps{display:flex;flex-direction:column;gap:64px}
.step{
  display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;
  scroll-margin-top:96px;
}
.step-body{max-width:520px}
.step-head{display:flex;align-items:center;gap:14px}
.step-num{
  width:46px;height:46px;flex:0 0 auto;border-radius:50%;
  background:var(--brand);color:var(--ink-900);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:17px;font-weight:700;letter-spacing:.02em;
}
.step-body h3{font-size:21px}
.step-body>p{margin-top:14px;color:var(--ink-500);font-size:15.5px}
.step-tips{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.step-tips li{
  display:flex;gap:10px;font-size:14.5px;color:var(--ink-700);
}
.step-tips li i{color:var(--brand-deep);font-size:12px;margin-top:8px}
.step-visual{
  margin:0;border-radius:var(--r-card);overflow:hidden;background:var(--surface);
  border:1px solid var(--line);box-shadow:var(--sh-1);
}
.step-visual .frame{position:relative;overflow:hidden;aspect-ratio:16/10}
.step-visual img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out}
.step-visual:hover img{transform:scale(1.03)}
.step-visual .frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(14,19,24,0),rgba(14,19,24,.42));
}
.step-visual .float-tag{
  position:absolute;left:16px;bottom:14px;z-index:2;
  font-family:var(--font-num);font-size:12.5px;color:#fff;
  background:rgba(14,19,24,.7);border:1px solid rgba(255,255,255,.22);
  border-radius:999px;padding:5px 12px;letter-spacing:.02em;
}
.step-visual figcaption{
  padding:14px 18px;font-size:13.5px;color:var(--ink-500);
  border-top:1px solid var(--line);background:var(--surface);
}
.step:nth-child(even) .step-body{order:2}
.step:nth-child(even) .step-visual{order:1}

/* ---------- 登录方式卡片 ---------- */
.mode-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.mode-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;display:flex;flex-direction:column;gap:14px;
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.mode-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(110,138,0,.4)}
.mode-icon{
  width:46px;height:46px;border-radius:12px;background:rgba(183,228,0,.28);
  color:var(--brand-deep);display:flex;align-items:center;justify-content:center;font-size:18px;
}
.mode-card h3{font-size:19px}
.mode-card p{font-size:15px;color:var(--ink-500)}
.mode-meta{
  display:flex;gap:18px;padding-top:16px;border-top:1px solid var(--line);margin-top:auto;
}
.mode-meta div{font-family:var(--font-num);font-size:20px;font-weight:700;color:var(--ink-900);letter-spacing:.02em}
.mode-meta span{display:block;font-family:var(--font-cn);font-size:12.5px;font-weight:400;color:var(--ink-500);letter-spacing:0;margin-top:2px}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:1fr 320px;gap:48px;align-items:start}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);position:relative}
.faq-q{
  width:100%;background:transparent;border:0;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 4px 22px 0;font-size:16px;font-weight:600;color:var(--ink-900);
  transition:color .18s ease-out;
}
.faq-item.is-open .faq-q{color:var(--brand-deep)}
.faq-q i{font-size:13px;color:var(--ink-500);transition:transform .18s ease-out}
.faq-item.is-open .faq-q i{transform:rotate(180deg);color:var(--brand-deep)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease-out}
.faq-a p{padding:0 32px 24px 0;font-size:15px;line-height:1.85;color:var(--ink-500)}
.faq-item::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;
  background:var(--brand);border-radius:3px;opacity:0;transition:opacity .18s ease-out;
}
.faq-item.is-open::before{opacity:1}
.faq-side{
  background:var(--dark);color:#fff;border-radius:var(--r-card);
  padding:28px;position:sticky;top:96px;
}
.faq-side h3{color:#fff;font-size:18px}
.faq-side p{font-size:14px;color:rgba(255,255,255,.72);margin-top:10px}
.faq-side ul{margin-top:20px;display:flex;flex-direction:column;gap:2px}
.faq-side li a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 0;font-size:14.5px;color:rgba(255,255,255,.86);
  border-bottom:1px solid rgba(255,255,255,.12);
}
.faq-side li a:hover{color:var(--brand)}
.faq-side li a i{font-size:12px;color:var(--brand)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;background:var(--dark);color:#fff;border-radius:24px;
  overflow:hidden;padding:56px;
}
.cta-band img.bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.35;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(14,19,24,.92),rgba(14,19,24,.7));
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 420px;gap:48px;align-items:center}
.cta-inner h2{color:#fff}
.cta-inner p{color:rgba(255,255,255,.76);margin-top:14px;font-size:15.5px;max-width:520px}
.cta-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.cta-form{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-card);padding:24px;
}
.cta-form label{display:block;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:8px}
.cta-form .row{display:flex;gap:12px}
.cta-form input{
  flex:1;height:48px;border-radius:var(--r-input);border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.94);padding:0 14px;font-size:15px;color:var(--ink-900);outline:none;
}
.cta-form input:focus{border-color:var(--brand)}
.cta-form .hint{margin-top:12px;font-size:13px;color:rgba(255,255,255,.6);line-height:1.7}

/* ---------- 面包屑 ---------- */
.crumb{padding:18px 0 0;font-size:13.5px;color:var(--ink-500)}
.crumb a:hover{color:var(--brand-deep)}
.crumb span{margin:0 8px;color:var(--line)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.78);padding:72px 0 28px;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand strong{display:block;color:#fff;font-size:17px;font-weight:800;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66)}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7)}
.footer-col a:hover{color:var(--brand)}
.footer-qr{display:flex;gap:14px;align-items:flex-start}
.footer-qr .box{
  width:84px;height:84px;flex:0 0 auto;border-radius:12px;
  border:1px dashed rgba(255,255,255,.3);background:rgba(255,255,255,.06);
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-size:12px;line-height:1.5;color:rgba(255,255,255,.7);
}
.footer-qr .txt{font-size:13px;line-height:1.8;color:rgba(255,255,255,.62)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:90;
  width:46px;height:46px;border-radius:50%;border:1px solid var(--line);
  background:var(--surface);color:var(--ink-900);box-shadow:var(--sh-2);
  display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .18s ease-out,transform .18s ease-out,visibility .18s;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--brand)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .nav-search input{width:100px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-visual,.hero-visual img{min-height:320px}
  .step{grid-template-columns:1fr;gap:24px}
  .step:nth-child(even) .step-body{order:1}
  .step:nth-child(even) .step-visual{order:2}
  .mode-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .faq-side{position:static}
  .cta-inner{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .nav-inner{min-height:56px;gap:12px}
  .brand-text span{display:none}
  .nav-divider{display:none}
  .nav-toggle{display:inline-flex}
  .nav-search,
  .nav-actions .btn-sm{display:none}
  .nav-links{
    position:fixed;left:0;right:0;top:56px;bottom:0;
    background:var(--surface);flex-direction:column;align-items:stretch;
    gap:0;padding:8px 18px 110px;overflow-y:auto;
    border-top:1px solid var(--line);
    transform:translateX(100%);transition:transform .28s ease-out;z-index:70;
  }
  body.nav-open .nav-links{transform:translateX(0)}
  .nav-links a{padding:16px 2px;font-size:16.5px;border-bottom:1px solid var(--line);border-radius:0}
  .nav-links a::after{display:none}
  .nav-links a.is-active{color:var(--brand-deep)}
  body.nav-open .nav-actions{position:static}
  body.nav-open .nav-actions .btn-sm{
    display:inline-flex;position:fixed;left:18px;right:18px;bottom:20px;z-index:80;height:48px;
  }
  .hero{padding:36px 0 48px}
  .hero-stats{grid-template-columns:1fr;gap:14px}
  .hero-stats .num{font-size:22px}
  .hero-float{left:16px;right:16px;bottom:16px;max-width:none}
  .hero-note{right:16px;top:16px}
  .prep-item{grid-template-columns:56px 1fr;gap:16px;padding:22px 0}
  .prep-num{font-size:24px}
  .steps{gap:44px}
  .mode-grid{grid-template-columns:1fr}
  .faq-a p{padding-right:12px}
  .cta-band{padding:32px 22px;border-radius:18px}
  .cta-form .row{flex-direction:column}
  .cta-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .to-top{right:16px;bottom:16px}
}
@media (max-width:479px){
  h1{font-size:30px}
  .hero-cta .btn{width:100%}
  .brand-text strong{font-size:14px}
}

/* roulang page: category3 */
/* ===================== 设计变量 ===================== */
:root{
  --ink-900:#10141A;
  --ink-700:#2A3139;
  --ink-500:#5C6672;
  --line:#E3E7DE;
  --bg:#F5F7F2;
  --surface:#FFFFFF;
  --brand:#B7E400;
  --brand-deep:#6E8A00;
  --accent:#FF5A1F;
  --dark:#0E1318;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(16,20,26,.06);
  --sh-2:0 12px 28px -14px rgba(16,20,26,.24);
  --t:180ms ease-out;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  --font-num:"DIN Alternate","Roboto Condensed","Helvetica Neue",ui-monospace,monospace;
}
/* ===================== 基础重置 ===================== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink-700);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit;color:inherit}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0;color:var(--ink-900)}
h1{font-size:clamp(32px,5vw,56px);font-weight:800;line-height:1.12;letter-spacing:-.02em}
h2{font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.25;letter-spacing:-.01em}
h3{font-size:20px;font-weight:700;line-height:1.4}
figure{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
::selection{background:var(--brand);color:var(--ink-900)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
/* ===================== 按钮 ===================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;transition:all var(--t);white-space:nowrap;
}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-primary{background:var(--brand);border-color:var(--brand);color:var(--ink-900)}
.btn-primary:hover{background:#a8d100;border-color:#a8d100;transform:translateY(-1px);box-shadow:0 10px 20px -12px rgba(110,138,0,.9)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:var(--surface);border-color:var(--line);color:var(--ink-900)}
.btn-outline:hover{border-color:var(--brand-deep);color:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.35);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.8);transform:translateY(-1px)}
.btn-dark{background:var(--dark);border-color:var(--dark);color:#fff}
.btn-dark:hover{background:#1c232b;border-color:#1c232b;transform:translateY(-1px)}
/* ===================== 导航 ===================== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,247,242,.9);
  backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:background var(--t),border-color var(--t),box-shadow var(--t);
}
.site-header.is-scrolled{background:#fff;border-bottom-color:var(--line);box-shadow:var(--sh-1)}
.nav-inner{display:flex;align-items:center;gap:18px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:var(--brand);color:var(--ink-900);
  display:grid;place-items:center;font-weight:800;font-size:18px;letter-spacing:0;
}
.brand-text strong{display:block;font-size:15px;font-weight:700;color:var(--ink-900);line-height:1.25;letter-spacing:-.01em}
.brand-text span{display:block;font-size:12px;color:var(--ink-500);line-height:1.3}
.nav-divider{width:1px;height:28px;background:var(--line);flex:0 0 auto}
.nav-links{display:flex;align-items:center;gap:2px;flex:1 1 auto;flex-wrap:wrap}
.nav-links a{
  position:relative;padding:9px 10px;font-size:14.5px;color:var(--ink-700);
  border-radius:8px;transition:color var(--t);white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:10px;right:10px;bottom:5px;height:2px;
  background:var(--brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.nav-links a:hover{color:var(--ink-900)}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--ink-900);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-search{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 12px;
  border:1px solid var(--line);border-radius:var(--r-input);background:#fff;color:var(--ink-500);
  transition:border-color var(--t);
}
.nav-search:focus-within{border-color:var(--brand-deep)}
.nav-search input{border:0;outline:0;background:transparent;width:124px;font-size:14px;color:var(--ink-700)}
.nav-search input::placeholder{color:var(--ink-500)}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;
  background:#fff;color:var(--ink-900);cursor:pointer;place-items:center;font-size:16px;
  transition:border-color var(--t),color var(--t);
}
.nav-toggle:hover{border-color:var(--brand-deep);color:var(--brand-deep)}
/* ===================== Hero ===================== */
.hero{
  position:relative;overflow:hidden;background:var(--dark);color:#fff;
  padding:72px 0 88px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(14,19,24,.78),rgba(14,19,24,.93)),
    url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg,rgba(183,228,0,.08) 0 2px,transparent 2px 18px);
  opacity:.5;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:18px}
.breadcrumb a{color:rgba(255,255,255,.62);transition:color var(--t)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb em{font-style:normal;color:rgba(255,255,255,.9)}
.tag{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 14px;
  border-radius:999px;background:rgba(183,228,0,.14);border:1px solid rgba(183,228,0,.4);
  color:var(--brand);font-size:12.5px;font-weight:600;letter-spacing:.02em;margin-bottom:20px;
}
.hero h1{color:#fff;max-width:16em}
.hero-lead{
  margin:20px 0 0;max-width:34em;font-size:16.5px;line-height:1.85;
  color:rgba(255,255,255,.76);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:36px;margin:40px 0 0;padding:24px 0 0;
  list-style:none;border-top:1px solid rgba(255,255,255,.16);
}
.hero-stats li{display:flex;flex-direction:column;gap:2px}
.hero-stats strong{font-family:var(--font-num);font-size:28px;font-weight:700;color:var(--brand);letter-spacing:.02em;line-height:1.1}
.hero-stats span{font-size:13px;color:rgba(255,255,255,.6)}
.hero-visual{position:relative;padding-bottom:16px}
.hero-shot{
  aspect-ratio:16/11;border-radius:var(--r-card);
  background-image:url("/assets/images/coverpic/cover-3.webp");
  background-size:cover;background-position:center;
  border:1px solid rgba(255,255,255,.16);
  box-shadow:0 30px 60px -30px rgba(0,0,0,.85);
}
.float-card{
  position:absolute;left:-26px;bottom:-18px;width:min(330px,90%);
  background:var(--surface);color:var(--ink-700);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:0 24px 48px -22px rgba(0,0,0,.7);
}
.float-badge{
  display:inline-block;font-size:12px;font-weight:600;color:var(--brand-deep);
  background:#F0F5E0;border-radius:999px;padding:3px 10px;margin-bottom:10px;
}
.float-title{display:block;font-size:16px;font-weight:700;color:var(--ink-900);line-height:1.4}
.float-card p{margin:8px 0 12px;font-size:13.5px;line-height:1.7;color:var(--ink-500)}
.float-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:0}
.float-list li{display:flex;justify-content:space-between;gap:12px;font-size:13px;padding:7px 0;border-top:1px solid var(--line)}
.float-list li span{color:var(--ink-900);font-weight:600}
.float-list li em{font-style:normal;color:var(--ink-500);font-family:var(--font-num);letter-spacing:.02em}
/* ===================== 板块 ===================== */
.section{padding:96px 0}
.section-alt{background:var(--surface)}
.section-tight{padding-top:80px;padding-bottom:80px}
.section-head{max-width:760px;margin-bottom:40px}
.section-head p{margin-top:14px;color:var(--ink-500)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--brand-deep);margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--brand)}
/* ===================== 设备卡片 ===================== */
.device-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.device-card{
  display:flex;flex-direction:column;gap:14px;padding:24px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.device-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand)}
.device-icon{
  width:46px;height:46px;border-radius:12px;background:#F0F5E0;color:var(--brand-deep);
  display:grid;place-items:center;font-size:20px;
}
.device-card h3{margin:0;font-size:19px}
.device-meta{display:flex;flex-wrap:wrap;gap:6px}
.chip{
  font-size:12px;padding:3px 10px;border-radius:999px;
  background:var(--bg);border:1px solid var(--line);color:var(--ink-500);line-height:1.6;
}
.device-card p{margin:0;font-size:14.5px;line-height:1.75;color:var(--ink-500)}
.device-card .btn{margin-top:auto;width:100%}
/* ===================== 扫码与流程 ===================== */
.qr-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:start}
.qr-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);text-align:center;
}
.qr-box{
  width:180px;height:180px;margin:0 auto 18px;border-radius:var(--r-img);
  border:1px dashed var(--line);background:var(--bg);
  display:grid;place-items:center;text-align:center;
  font-size:13px;color:var(--ink-500);line-height:1.7;padding:16px;
}
.qr-card h3{margin-bottom:10px}
.qr-card p{font-size:14px;color:var(--ink-500)}
.steps{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.step{
  display:grid;grid-template-columns:auto 1fr;gap:18px;
  padding:22px 0;border-bottom:1px solid var(--line);
}
.step:first-child{padding-top:0}
.step:last-child{border-bottom:0;padding-bottom:0}
.step-num{
  width:34px;height:34px;border-radius:50%;background:#F0F5E0;color:var(--brand-deep);
  display:grid;place-items:center;font-family:var(--font-num);font-size:15px;font-weight:700;
}
.step h3{font-size:17px;margin-bottom:6px}
.step p{margin:0;font-size:14.5px;color:var(--ink-500);line-height:1.75}
/* ===================== 版本差异 ===================== */
.diff-list{margin:0;border-top:1px solid var(--line)}
.diff-row{
  display:grid;grid-template-columns:230px 1fr;gap:28px;
  padding:20px 0;border-bottom:1px solid var(--line);
}
.diff-row dt{font-size:16px;font-weight:700;color:var(--ink-900);line-height:1.6}
.diff-row dd{margin:0;font-size:15px;line-height:1.8;color:var(--ink-500)}
.diff-row dd strong{color:var(--ink-900);font-weight:600}
/* ===================== 图文分栏 ===================== */
.split{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:center}
.split-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);
  border:1px solid var(--line);box-shadow:var(--sh-1);
}
.split-copy h2{margin-bottom:14px}
.split-copy > p{color:var(--ink-500)}
.check-list{list-style:none;margin:24px 0 0;padding:0;display:flex;flex-direction:column;gap:14px}
.check-list li{display:grid;grid-template-columns:auto 1fr;gap:12px;font-size:15px;color:var(--ink-500);line-height:1.75}
.check-list i{color:var(--brand-deep);font-size:16px;margin-top:5px}
.check-list strong{color:var(--ink-900);font-weight:700}
.mini-stats{display:flex;flex-wrap:wrap;gap:32px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line)}
.mini-stats div{display:flex;flex-direction:column;gap:2px}
.mini-stats strong{font-family:var(--font-num);font-size:26px;color:var(--ink-900);letter-spacing:.02em;line-height:1.15}
.mini-stats span{font-size:13px;color:var(--ink-500)}
/* ===================== FAQ ===================== */
.faq-list{border-top:1px solid var(--line)}
.faq-item{position:relative;border-bottom:1px solid var(--line);transition:background var(--t)}
.faq-item::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:2px;
  background:var(--brand);opacity:0;transition:opacity var(--t);
}
.faq-item[open]::before{opacity:1}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:20px 52px 20px 18px;font-size:16px;font-weight:600;color:var(--ink-900);
  line-height:1.6;transition:color var(--t);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand-deep)}
.faq-item summary::after{
  content:"+";position:absolute;right:16px;top:50%;transform:translateY(-50%);
  font-size:22px;line-height:1;color:var(--ink-500);transition:color var(--t),transform var(--t);
}
.faq-item[open] summary::after{content:"\2212";color:var(--brand-deep)}
.faq-body{padding:0 52px 22px 18px;font-size:15px;line-height:1.8;color:var(--ink-500)}
/* ===================== CTA ===================== */
.cta-band{
  position:relative;overflow:hidden;background:var(--dark);color:#fff;padding:72px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(120deg,rgba(14,19,24,.94),rgba(14,19,24,.72)),
    url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
}
.cta-inner{
  position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:32px;
  align-items:center;justify-content:space-between;
}
.cta-copy{max-width:620px}
.cta-copy h2{color:#fff;margin-bottom:12px}
.cta-copy p{margin:0;color:rgba(255,255,255,.72);font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
/* ===================== 页脚 ===================== */
.site-footer{background:var(--dark);color:rgba(255,255,255,.68);padding:72px 0 0;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand strong{display:block;font-size:18px;color:#fff;font-weight:700;margin-bottom:14px;letter-spacing:-.01em}
.footer-brand p{margin:0;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6)}
.footer-col h4{font-size:15px;color:#fff;font-weight:700;margin-bottom:18px}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);transition:color var(--t)}
.footer-col a:hover{color:var(--brand)}
.footer-qr{display:flex;gap:14px;align-items:flex-start}
.footer-qr .box{
  width:88px;height:88px;flex:0 0 auto;border-radius:var(--r-img);
  border:1px solid rgba(255,255,255,.2);background:rgba(255,255,255,.04);
  display:grid;place-items:center;text-align:center;font-size:12px;line-height:1.6;
  color:rgba(255,255,255,.6);
}
.footer-qr .txt{font-size:13px;line-height:1.8;color:rgba(255,255,255,.6)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding:22px 0;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.5);
}
/* ===================== 回到顶部 ===================== */
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:70;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink-900);display:grid;place-items:center;cursor:pointer;
  box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity var(--t),transform var(--t),visibility var(--t),border-color var(--t),color var(--t);
}
.to-top.is-show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{border-color:var(--brand-deep);color:var(--brand-deep)}
/* ===================== 响应式 ===================== */
@media (max-width:1279px){
  .nav-search input{width:104px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .section-tight{padding-top:64px;padding-bottom:64px}
  .nav-links{display:none}
  .nav-search{display:none}
  .nav-toggle{display:grid}
  .nav-links.is-open{
    display:flex;flex-direction:column;align-items:stretch;gap:4px;
    position:fixed;left:0;right:0;top:0;bottom:0;z-index:-1;
    background:#fff;padding:88px 24px 32px;overflow-y:auto;
  }
  .nav-links.is-open a{
    font-size:16px;padding:14px 12px;border-bottom:1px solid var(--line);
  }
  .nav-links.is-open a::after{left:12px;right:auto;width:22px;bottom:8px}
  .hero{padding:56px 0 72px}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-lead{max-width:none}
  .float-card{position:static;width:auto;margin-top:-32px;margin-left:16px;margin-right:16px;box-shadow:0 18px 36px -20px rgba(0,0,0,.6)}
  .hero-stats{gap:28px;margin-top:32px}
  .device-grid{grid-template-columns:repeat(2,1fr)}
  .qr-layout{grid-template-columns:1fr;gap:36px}
  .split{grid-template-columns:1fr;gap:36px}
  .split-media img{aspect-ratio:16/10}
  .diff-row{grid-template-columns:180px 1fr;gap:20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .section-tight{padding-top:56px;padding-bottom:56px}
  .brand-text span{display:none}
  .brand-text strong{font-size:13.5px}
  .hero h1{max-width:none}
  .hero-actions .btn{flex:1 1 auto}
  .hero-actions{gap:12px}
  .hero-stats{gap:20px}
  .hero-stats strong{font-size:24px}
  .float-card{margin-left:0;margin-right:0}
  .cta-band{padding:56px 0}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;gap:8px}
  .to-top{right:16px;bottom:20px}
}
@media (max-width:600px){
  .device-grid{grid-template-columns:1fr}
  .diff-row{grid-template-columns:1fr;gap:6px;padding:18px 0}
  .faq-item summary{padding:18px 44px 18px 14px;font-size:15.5px}
  .faq-body{padding:0 44px 20px 14px}
  .mini-stats{gap:22px}
  .mini-stats strong{font-size:22px}
}
@media (max-width:479px){
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .qr-card{padding:22px 18px}
  .qr-box{width:150px;height:150px}
}

/* roulang page: category4 */
:root{
  --ink-900:#10141A;
  --ink-700:#2A3139;
  --ink-500:#5C6672;
  --line:#E3E7DE;
  --bg:#F5F7F2;
  --surface:#FFFFFF;
  --brand:#B7E400;
  --brand-deep:#6E8A00;
  --accent:#FF5A1F;
  --dark:#0E1318;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --radius-input:10px;
  --shadow-1:0 1px 2px rgba(16,20,26,.06);
  --shadow-2:0 12px 28px -14px rgba(16,20,26,.24);
  --nav-h:64px;
  --mono:"DIN Alternate","Roboto Condensed",ui-monospace,SFMono-Regular,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink-700);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--ink-900);text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--brand-deep)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--ink-900)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-tight{padding:56px 0}
.section-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:780px;margin-bottom:40px}
.section-head h2{font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.25;letter-spacing:-.01em;margin-bottom:14px}
.section-head p{color:var(--ink-500);font-size:15.5px;line-height:1.8}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand-deep);text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand)}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(245,247,242,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:background .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.site-header.is-scrolled{background:rgba(255,255,255,.97);border-bottom-color:var(--line);box-shadow:0 6px 22px -16px rgba(16,20,26,.4)}
.nav-inner{display:flex;align-items:center;gap:16px;min-height:var(--nav-h)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:38px;height:38px;border-radius:10px;background:var(--brand);color:var(--ink-900);font-weight:800;font-size:19px;display:grid;place-items:center;letter-spacing:-.02em}
.brand-text strong{display:block;font-size:15px;font-weight:800;color:var(--ink-900);line-height:1.2;letter-spacing:-.01em}
.brand-text span{display:block;font-size:12px;color:var(--ink-500);line-height:1.4}
.nav-divider{width:1px;height:26px;background:var(--line);flex:0 0 auto}
.nav-links{display:flex;align-items:center;gap:2px;flex:1 1 auto}
.nav-links a{position:relative;padding:9px 10px;font-size:14.5px;font-weight:600;color:var(--ink-700);white-space:nowrap;border-radius:8px;transition:color .18s ease-out}
.nav-links a::after{content:"";position:absolute;left:10px;right:10px;bottom:2px;height:2px;background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .18s ease-out}
.nav-links a:hover{color:var(--ink-900)}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--ink-900);font-weight:700}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-search{display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;background:var(--surface);border:1px solid var(--line);border-radius:999px;color:var(--ink-500);transition:border-color .18s ease-out}
.nav-search:focus-within{border-color:var(--brand)}
.nav-search input{border:0;background:transparent;outline:none;width:132px;font-size:14px;color:var(--ink-900)}
.nav-search input::placeholder{color:var(--ink-500)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:var(--surface);color:var(--ink-900)}
.nav-toggle:hover{border-color:var(--brand-deep);color:var(--brand-deep)}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .18s ease-out,background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out}
.btn-primary{background:var(--brand);color:var(--ink-900)}
.btn-primary:hover{background:#a9d200;color:var(--ink-900);transform:translateY(-1px);box-shadow:0 10px 22px -14px rgba(110,138,0,.8)}
.btn-outline{background:var(--surface);border-color:var(--line);color:var(--ink-900)}
.btn-outline:hover{border-color:var(--brand-deep);color:var(--brand-deep);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-1px)}
.btn-dark{background:var(--ink-900);color:#fff}
.btn-dark:hover{background:#000;color:#fff;transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 16px;font-size:14px}

/* 内页 Hero */
.page-hero{position:relative;background-color:var(--dark);color:#fff;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;opacity:.92}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(14,19,24,.9) 0%,rgba(14,19,24,.7) 52%,rgba(14,19,24,.52) 100%)}
.page-hero .container{position:relative;z-index:2;padding-top:52px;padding-bottom:56px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:20px}
.breadcrumb a{color:rgba(255,255,255,.72)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb i{font-size:10px;opacity:.7}
.page-hero h1{color:#fff;font-size:clamp(30px,4.4vw,48px);font-weight:800;line-height:1.14;letter-spacing:-.02em;max-width:880px}
.page-hero .lead{margin-top:18px;max-width:760px;font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.86)}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-tag{display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 14px;border-radius:999px;font-size:13px;font-weight:600;color:#fff;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22)}
.hero-search{display:flex;align-items:center;gap:10px;margin-top:30px;max-width:760px;padding:10px;background:rgba(255,255,255,.97);border-radius:14px;box-shadow:var(--shadow-2)}
.hero-search i{color:var(--ink-500);padding-left:8px;font-size:15px}
.hero-search input{flex:1 1 auto;height:48px;min-width:0;border:0;background:transparent;outline:none;font-size:15px;color:var(--ink-900)}
.hero-search input::placeholder{color:var(--ink-500)}
.hero-search .btn{flex:0 0 auto}
.hero-search-tip{margin-top:14px;font-size:13.5px;color:rgba(255,255,255,.82)}

/* 分类标签 */
.chip-row{display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;border-radius:999px;background:var(--surface);border:1px solid var(--line);font-size:14px;font-weight:600;color:var(--ink-700);transition:border-color .18s ease-out,color .18s ease-out,background-color .18s ease-out,transform .18s ease-out}
.chip:hover{border-color:var(--brand-deep);color:var(--brand-deep);transform:translateY(-1px)}
.chip.is-active{background:var(--ink-900);border-color:var(--ink-900);color:#fff}
.chip .num{font-family:var(--mono);font-size:12.5px;color:var(--brand-deep)}
.chip.is-active .num{color:var(--brand)}

/* FAQ 布局 */
.faq-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px;align-items:start}
.faq-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:8px 24px;box-shadow:var(--shadow-1)}
.faq-item{position:relative;border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item::before{content:"";position:absolute;left:-24px;top:10px;bottom:10px;width:3px;background:var(--brand);transform:scaleY(0);transform-origin:top;transition:transform .2s ease-out}
.faq-item.is-open::before{transform:scaleY(1)}
.faq-q{display:flex;align-items:flex-start;gap:14px;width:100%;padding:18px 0;background:transparent;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.6}
.faq-q:hover{color:var(--brand-deep)}
.faq-q .idx{flex:0 0 auto;font-family:var(--mono);font-size:13px;color:var(--brand-deep);padding-top:4px;letter-spacing:.02em}
.faq-q .caret{margin-left:auto;flex:0 0 auto;color:var(--ink-500);font-size:13px;padding-top:5px;transition:transform .2s ease-out,color .2s ease-out}
.faq-item.is-open .faq-q .caret{transform:rotate(180deg);color:var(--brand-deep)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease-out}
.faq-item.is-open .faq-a{max-height:600px}
.faq-a p{padding:0 34px 20px 34px;font-size:15px;line-height:1.8;color:var(--ink-500)}
.faq-a strong{color:var(--ink-700);font-weight:600}

/* 侧栏 */
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:24px;box-shadow:var(--shadow-1)}
.side-card + .side-card{margin-top:20px}
.side-card h3{font-size:17px;font-weight:700;margin-bottom:14px}
.side-links li + li{margin-top:2px}
.side-links a{display:flex;align-items:center;gap:10px;padding:11px 0;font-size:14.5px;font-weight:600;color:var(--ink-700);border-bottom:1px dashed var(--line)}
.side-links li:last-child a{border-bottom:0}
.side-links a i{color:var(--brand-deep);font-size:13px}
.side-links a .arrow{margin-left:auto;color:var(--ink-500);font-size:12px}
.side-links a:hover{color:var(--brand-deep)}
.side-note{font-size:14px;line-height:1.8;color:var(--ink-500)}
.side-badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 10px;border-radius:999px;background:rgba(183,228,0,.18);color:var(--brand-deep);font-size:12px;font-weight:700;margin-bottom:12px}

/* 流程 */
.flow-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.flow-card{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:26px 24px;box-shadow:var(--shadow-1);transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out}
.flow-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--brand)}
.flow-num{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:var(--ink-900);color:var(--brand);font-family:var(--mono);font-size:16px;font-weight:700;margin-bottom:16px}
.flow-card h3{font-size:19px;font-weight:700;margin-bottom:10px}
.flow-card p{font-size:15px;line-height:1.8;color:var(--ink-500)}
.flow-card .meta{display:block;margin-top:14px;font-size:13px;color:var(--brand-deep);font-weight:600}

/* 场景卡 */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.scene-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--brand)}
.scene-media{position:relative;aspect-ratio:16/10;overflow:hidden}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.scene-card:hover .scene-media img{transform:scale(1.03)}
.scene-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,19,24,0) 40%,rgba(14,19,24,.55) 100%);transition:background .18s ease-out}
.scene-card:hover .scene-media::after{background:linear-gradient(180deg,rgba(14,19,24,.1) 30%,rgba(14,19,24,.68) 100%)}
.scene-media .badge{position:absolute;left:14px;top:14px;z-index:2;display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;background:var(--brand);color:var(--ink-900);font-size:12px;font-weight:700}
.scene-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.scene-body h3{font-size:18px;font-weight:700;line-height:1.4;transition:color .18s ease-out}
.scene-card:hover .scene-body h3{color:var(--brand-deep)}
.scene-body p{font-size:14.5px;line-height:1.75;color:var(--ink-500)}
.scene-body .more{margin-top:auto;font-size:13.5px;font-weight:600;color:var(--brand-deep)}

/* 排行 */
.rank-list{border-top:1px solid var(--line)}
.rank-item{display:flex;align-items:center;gap:20px;padding:22px 8px;border-bottom:1px solid var(--line);transition:background-color .18s ease-out,padding-left .18s ease-out}
.rank-item:hover{background:var(--surface);padding-left:16px}
.rank-no{flex:0 0 auto;font-family:var(--mono);font-size:24px;font-weight:700;color:var(--line);letter-spacing:.02em;width:44px}
.rank-item:nth-child(-n+3) .rank-no{color:var(--brand-deep)}
.rank-body{flex:1 1 auto;min-width:0}
.rank-body h3{font-size:16.5px;font-weight:700;margin-bottom:4px}
.rank-body p{font-size:14px;color:var(--ink-500);line-height:1.7}
.rank-item .go{flex:0 0 auto;color:var(--ink-500);font-size:13px}
.rank-item:hover .go{color:var(--brand-deep)}

/* CTA */
.cta-band{position:relative;background-color:var(--dark);color:#fff;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background:url(/assets/images/backpic/back-3.webp) center/cover no-repeat;opacity:.9}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(95deg,rgba(14,19,24,.93) 0%,rgba(14,19,24,.75) 58%,rgba(14,19,24,.6) 100%)}
.cta-band .container{position:relative;z-index:2;padding-top:72px;padding-bottom:72px}
.cta-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,400px);gap:48px;align-items:center}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.25;letter-spacing:-.01em}
.cta-band p{margin-top:14px;font-size:15.5px;line-height:1.8;color:rgba(255,255,255,.8);max-width:520px}
.cta-form{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-card);padding:24px}
.cta-form label{display:block;font-size:13.5px;font-weight:600;color:rgba(255,255,255,.82);margin-bottom:8px}
.cta-form .field{display:flex;gap:10px;flex-wrap:wrap}
.cta-form input{flex:1 1 180px;min-width:0;height:48px;padding:0 14px;border-radius:var(--radius-input);border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.96);color:var(--ink-900);font-size:15px;outline:none;transition:border-color .18s ease-out,box-shadow .18s ease-out}
.cta-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(183,228,0,.28)}
.cta-form .hint{margin-top:12px;font-size:13px;line-height:1.7;color:rgba(255,255,255,.68)}

/* 返回条 */
.back-band{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.back-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;padding:28px 0}
.back-inner h2{font-size:19px;font-weight:700}
.back-inner p{font-size:14.5px;color:var(--ink-500);margin-top:6px}
.back-actions{display:flex;gap:12px;flex-wrap:wrap}

/* 页脚 */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:48px}
.footer-brand strong{display:block;color:#fff;font-size:17px;font-weight:800;letter-spacing:-.01em;margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:340px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col ul li + li{margin-top:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.7)}
.footer-col a:hover{color:var(--brand)}
.footer-qr{display:flex;gap:14px;align-items:flex-start}
.footer-qr .box{flex:0 0 84px;width:84px;height:84px;border-radius:12px;background:rgba(255,255,255,.08);border:1px dashed rgba(255,255,255,.28);display:grid;place-items:center;text-align:center;font-size:12px;line-height:1.5;color:rgba(255,255,255,.7)}
.footer-qr .txt{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.62)}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;padding:22px 0;border-top:1px solid rgba(255,255,255,.12);font-size:13.5px;color:rgba(255,255,255,.55)}

/* 回到顶部 */
.to-top{position:fixed;right:22px;bottom:26px;z-index:70;width:46px;height:46px;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--ink-900);display:grid;place-items:center;box-shadow:var(--shadow-1);opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s,border-color .18s ease-out,color .18s ease-out}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{border-color:var(--brand);color:var(--brand-deep)}

/* 响应式 */
@media (max-width:1200px){
  .nav-links a{padding:9px 7px;font-size:14px}
  .nav-search input{width:96px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .section-tight{padding:48px 0}
  .nav-divider,.nav-search{display:none}
  .nav-toggle{display:inline-grid;place-items:center}
  .nav-links{
    position:fixed;inset:var(--nav-h) 0 0 0;z-index:75;
    flex-direction:column;align-items:stretch;gap:0;
    padding:20px 24px 110px;
    background:rgba(245,247,242,.99);
    border-top:1px solid var(--line);
    overflow-y:auto;
    transform:translateY(-8px);opacity:0;visibility:hidden;
    transition:opacity .2s ease-out,transform .2s ease-out,visibility .2s;
  }
  .nav-links.is-open{transform:translateY(0);opacity:1;visibility:visible}
  .nav-links a{padding:16px 4px;font-size:16px;border-bottom:1px solid var(--line);border-radius:0}
  .nav-links a::after{display:none}
  .nav-links a.is-active{color:var(--brand-deep)}
  .faq-layout{grid-template-columns:minmax(0,1fr)}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-grid{grid-template-columns:minmax(0,1fr);gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .section-head{margin-bottom:28px}
  .page-hero .container{padding-top:40px;padding-bottom:44px}
  .hero-search{flex-wrap:wrap;padding:12px}
  .hero-search i{display:none}
  .hero-search input{flex:1 1 100%;padding:0 6px;height:44px}
  .hero-search .btn{width:100%}
  .faq-list{padding:6px 18px}
  .faq-item::before{left:-18px}
  .faq-a p{padding:0 0 18px 0}
  .faq-q{font-size:15.5px;gap:10px}
  .flow-grid,.scene-grid{grid-template-columns:minmax(0,1fr)}
  .rank-item{gap:14px;padding:18px 4px}
  .rank-no{font-size:20px;width:32px}
  .cta-band .container{padding-top:56px;padding-bottom:56px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;padding-bottom:32px}
  .site-footer{padding-top:56px}
  .to-top{right:16px;bottom:18px}
}
@media (max-width:479px){
  .page-hero h1{font-size:27px}
  .brand-text span{display:none}
  .brand-text strong{font-size:13.5px}
  .btn{width:100%}
  .btn-inline-fix{width:auto}
  .back-actions .btn{width:100%}
}

/* roulang page: category5 */
:root{
  --ink-900:#10141A;
  --ink-700:#2A3139;
  --ink-500:#5C6672;
  --line:#E3E7DE;
  --bg:#F5F7F2;
  --surface:#FFFFFF;
  --brand:#B7E400;
  --brand-deep:#6E8A00;
  --accent:#FF5A1F;
  --dark:#0E1318;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(16,20,26,.06);
  --sh-2:0 12px 28px -14px rgba(16,20,26,.24);
  --t:180ms ease-out;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --font-num:"DIN Alternate","Roboto Condensed",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding-top:64px;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.8;
  color:var(--ink-700);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t);}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;padding:0;}
ul,ol{list-style:none;}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.25;color:var(--ink-900);letter-spacing:-.01em;}
.section-head p{margin-top:14px;color:var(--ink-500);font-size:16px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--brand-deep);text-transform:uppercase;}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--brand);display:inline-block;border-radius:2px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.01em;
  transition:transform var(--t),background-color var(--t),color var(--t),border-color var(--t),box-shadow var(--t);
  border:1px solid transparent;
}
.btn:hover{transform:translateY(-1px);}
.btn-primary{background:var(--brand);color:var(--ink-900);}
.btn-primary:hover{background:#A6CE00;}
.btn-ghost{background:transparent;color:var(--ink-900);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--brand-deep);}
.btn-dark{background:var(--dark);color:#fff;}
.btn-dark:hover{background:#1B232B;}
.btn-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.34);}
.btn-light:hover{background:rgba(255,255,255,.2);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:8px;}
.btn-block{width:100%;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:60;height:64px;
  background:rgba(245,247,242,.82);
  backdrop-filter:saturate(160%) blur(10px);
  -webkit-backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid transparent;
  transition:background-color var(--t),border-color var(--t),box-shadow var(--t);
}
.site-header.is-scrolled{background:rgba(255,255,255,.94);border-bottom-color:var(--line);box-shadow:var(--sh-1);}
.nav-inner{display:flex;align-items:center;height:64px;gap:18px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:9px;background:var(--brand);color:var(--ink-900);
  display:grid;place-items:center;font-weight:800;font-size:17px;letter-spacing:-.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.18;}
.brand-text strong{font-size:15.5px;font-weight:800;color:var(--ink-900);letter-spacing:-.01em;}
.brand-text span{font-size:11.5px;color:var(--ink-500);letter-spacing:.02em;}
.nav-divider{width:1px;height:26px;background:var(--line);flex:0 0 auto;}
.nav-links{display:flex;align-items:center;gap:4px;flex:1 1 auto;min-width:0;}
.nav-links a{
  position:relative;padding:8px 11px;font-size:14.5px;font-weight:500;color:var(--ink-700);
  border-radius:8px;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:11px;right:11px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.nav-links a:hover{color:var(--ink-900);}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--ink-900);font-weight:700;}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 12px;
  background:var(--surface);border:1px solid var(--line);border-radius:9px;color:var(--ink-500);
}
.nav-search:focus-within{border-color:var(--brand);}
.nav-search input{border:0;background:transparent;outline:none;width:132px;font-size:14px;color:var(--ink-900);}
.nav-search input::placeholder{color:#98A19E;}
.nav-toggle{display:none;width:40px;height:40px;border-radius:9px;border:1px solid var(--line);color:var(--ink-900);background:var(--surface);}
.mobile-drawer{
  position:fixed;inset:56px 0 0 0;z-index:55;background:var(--surface);
  padding:26px 22px 30px;display:none;flex-direction:column;gap:6px;overflow-y:auto;
}
.mobile-drawer.is-open{display:flex;}
.mobile-drawer a.m-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 4px;font-size:17px;font-weight:600;color:var(--ink-900);border-bottom:1px solid var(--line);
}
.mobile-drawer a.m-link.is-active{color:var(--brand-deep);}
.mobile-drawer .m-cta{margin-top:auto;padding-top:22px;}

/* ---------- 面包屑 ---------- */
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-500);}
.crumbs a:hover{color:var(--brand-deep);}
.crumbs .sep{color:#B6BDB8;}

/* ---------- 内页 Hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--dark);color:#fff;}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  opacity:.42;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(14,19,24,.94) 0%,rgba(14,19,24,.78) 48%,rgba(14,19,24,.52) 100%);
}
.page-hero .inner{position:relative;z-index:2;padding:72px 0 80px;}
.page-hero .crumbs{color:rgba(255,255,255,.66);}
.page-hero .crumbs a:hover{color:var(--brand);}
.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:end;margin-top:26px;}
.hero-copy h1{
  font-size:clamp(32px,5vw,52px);font-weight:800;line-height:1.12;letter-spacing:-.02em;color:#fff;
}
.hero-copy p.sub{margin-top:18px;font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.78);max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:38px;padding-top:26px;border-top:1px solid rgba(255,255,255,.16);}
.hero-stats div strong{display:block;font-family:var(--font-num);font-size:28px;font-weight:700;color:var(--brand);letter-spacing:.02em;}
.hero-stats div span{font-size:13px;color:rgba(255,255,255,.66);}
.hero-float{
  background:var(--surface);color:var(--ink-700);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:0 24px 48px -28px rgba(0,0,0,.6);
}
.hero-float .tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;color:var(--accent);
  background:rgba(255,90,31,.1);border-radius:999px;padding:4px 10px;
}
.hero-float h3{margin-top:14px;font-size:17px;font-weight:700;color:var(--ink-900);line-height:1.5;}
.hero-float p{margin-top:10px;font-size:14px;color:var(--ink-500);line-height:1.7;}
.hero-float .meta{display:flex;align-items:center;justify-content:space-between;margin-top:16px;padding-top:14px;border-top:1px solid var(--line);font-size:12.5px;color:var(--ink-500);font-family:var(--font-num);}
.hero-float .meta a{color:var(--brand-deep);font-weight:600;font-family:var(--font-cn);}

/* ---------- 筛选标签 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:28px;}
.filter-bar .label{font-size:13px;color:var(--ink-500);margin-right:4px;}
.chip{
  height:38px;padding:0 16px;border-radius:999px;border:1px solid var(--line);
  background:var(--surface);color:var(--ink-700);font-size:14px;font-weight:500;
  display:inline-flex;align-items:center;gap:7px;transition:all var(--t);
}
.chip:hover{border-color:var(--brand-deep);transform:translateY(-1px);}
.chip.is-active{background:var(--ink-900);border-color:var(--ink-900);color:#fff;font-weight:600;}
.chip .count{font-family:var(--font-num);font-size:12px;opacity:.65;}

/* ---------- 公告行式列表 ---------- */
.notice-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;}
.notice-row{
  display:flex;flex-wrap:wrap;align-items:flex-start;gap:18px;
  padding:24px 26px;border-bottom:1px solid var(--line);transition:background-color var(--t);
}
.notice-row:last-child{border-bottom:0;}
.notice-row:hover{background:#FAFBF7;}
.n-date{flex:0 0 128px;display:flex;flex-direction:column;gap:6px;}
.n-date .d{font-family:var(--font-num);font-size:16px;font-weight:700;color:var(--ink-900);letter-spacing:.02em;}
.n-date .t{font-size:12.5px;color:var(--ink-500);font-family:var(--font-num);}
.badge{
  display:inline-flex;align-items:center;gap:5px;border-radius:999px;padding:3px 10px;
  font-size:12px;font-weight:600;line-height:1.5;
}
.badge-brand{background:rgba(183,228,0,.18);color:var(--brand-deep);}
.badge-accent{background:rgba(255,90,31,.12);color:var(--accent);}
.badge-ink{background:#EEF1EA;color:var(--ink-500);}
.n-main{flex:1 1 380px;min-width:0;}
.n-main h3{font-size:18px;font-weight:700;color:var(--ink-900);line-height:1.45;transition:color var(--t);}
.notice-row:hover .n-main h3{color:var(--brand-deep);}
.n-main p{margin-top:8px;font-size:14.5px;color:var(--ink-500);line-height:1.75;}
.n-main .n-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.n-tags span{font-size:12px;color:var(--ink-500);border:1px solid var(--line);border-radius:999px;padding:2px 9px;}
.n-action{flex:0 0 auto;display:flex;flex-direction:column;align-items:flex-end;gap:10px;}
.n-action .go{font-size:14px;font-weight:600;color:var(--brand-deep);white-space:nowrap;}
.n-action .go i{font-size:12px;margin-left:4px;transition:transform var(--t);}
.notice-row:hover .n-action .go i{transform:translateX(3px);}
.list-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;margin-top:22px;font-size:13.5px;color:var(--ink-500);}
.pager{display:flex;gap:8px;}
.pager a,.pager span{
  min-width:38px;height:38px;padding:0 12px;border-radius:9px;border:1px solid var(--line);
  background:var(--surface);display:inline-flex;align-items:center;justify-content:center;font-size:14px;
}
.pager a:hover{border-color:var(--brand-deep);color:var(--brand-deep);}
.pager .current{background:var(--ink-900);border-color:var(--ink-900);color:#fff;font-weight:600;}

/* ---------- 数据条 ---------- */
.metric-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
}
.metric-strip div{padding:26px 24px;border-right:1px solid var(--line);}
.metric-strip div:last-child{border-right:0;}
.metric-strip strong{display:block;font-family:var(--font-num);font-size:30px;font-weight:700;color:var(--ink-900);letter-spacing:.02em;}
.metric-strip strong em{font-style:normal;font-size:15px;color:var(--brand-deep);margin-left:3px;}
.metric-strip span{display:block;margin-top:6px;font-size:13.5px;color:var(--ink-500);}

/* ---------- 规则分类导航卡 ---------- */
.rule-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rule-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  display:flex;flex-direction:column;
}
.rule-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D5DCCB;}
.rule-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#E9EDE4;}
.rule-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out;}
.rule-card:hover .thumb img{transform:scale(1.03);}
.rule-card .thumb .veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,19,24,0) 42%,rgba(14,19,24,.62) 100%);}
.rule-card .thumb .cap{position:absolute;left:18px;bottom:14px;color:#fff;font-size:14px;font-weight:600;}
.rule-card .body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.rule-card .body h3{font-size:19px;font-weight:700;color:var(--ink-900);line-height:1.4;}
.rule-card .body p{font-size:14.5px;color:var(--ink-500);line-height:1.75;}
.rule-card .body .link{margin-top:auto;font-size:14px;font-weight:600;color:var(--brand-deep);display:inline-flex;align-items:center;gap:6px;}

/* ---------- 折叠组 ---------- */
.faq-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:8px 26px 12px;box-shadow:var(--sh-1);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:22px 0 22px 0;font-size:16px;font-weight:600;color:var(--ink-900);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .fi{flex:0 0 auto;width:26px;height:26px;border-radius:8px;border:1px solid var(--line);display:grid;place-items:center;color:var(--ink-500);font-size:11px;transition:all var(--t);}
.faq-item[open] summary{color:var(--ink-900);}
.faq-item[open] summary .fi{background:var(--brand);border-color:var(--brand);color:var(--ink-900);transform:rotate(180deg);}
.faq-item[open] summary::before{content:"";position:absolute;left:-26px;top:18px;bottom:18px;width:3px;border-radius:3px;background:var(--brand);}
.faq-item .answer{padding:0 40px 24px 0;font-size:15px;line-height:1.85;color:var(--ink-500);}
.faq-item .answer strong{color:var(--ink-700);font-weight:600;}

/* ---------- 订阅 CTA ---------- */
.cta-band{position:relative;background:var(--dark);color:#fff;border-radius:20px;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-3.webp);
  background-size:cover;background-position:center;opacity:.3;
}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(14,19,24,.95) 0%,rgba(14,19,24,.7) 60%,rgba(14,19,24,.5) 100%);}
.cta-band .inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,6fr) minmax(0,5fr);gap:44px;align-items:center;padding:52px 48px;}
.cta-band h2{font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.3;color:#fff;}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.76);line-height:1.8;}
.subscribe-form{display:flex;gap:12px;}
.subscribe-form input{
  flex:1 1 auto;height:48px;padding:0 16px;border-radius:var(--r-input);
  border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.96);color:var(--ink-900);outline:none;
  transition:border-color var(--t),box-shadow var(--t);
}
.subscribe-form input::placeholder{color:#8E968F;}
.subscribe-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(183,228,0,.24);}
.form-hint{margin-top:12px;font-size:13px;color:rgba(255,255,255,.62);}
.form-ok{margin-top:12px;font-size:13px;color:var(--brand);display:none;}
.form-ok.is-on{display:block;}

/* ---------- 返回首页 CTA ---------- */
.back-home{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 32px;box-shadow:var(--sh-1);
}
.back-home h2{font-size:20px;font-weight:700;color:var(--ink-900);}
.back-home p{margin-top:8px;font-size:14.5px;color:var(--ink-500);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.7);margin-top:0;padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,2.4fr) minmax(0,2.4fr) minmax(0,3fr);gap:40px;padding-bottom:48px;}
.footer-brand strong{display:block;font-size:17px;font-weight:800;color:#fff;letter-spacing:-.01em;}
.footer-brand p{margin-top:14px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:360px;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68);}
.footer-col a:hover{color:var(--brand);}
.footer-qr{display:flex;gap:14px;align-items:flex-start;}
.footer-qr .box{
  width:96px;height:96px;flex:0 0 auto;border-radius:12px;border:1px dashed rgba(255,255,255,.3);
  display:grid;place-items:center;text-align:center;font-size:12px;line-height:1.6;color:rgba(255,255,255,.6);
}
.footer-qr .txt{font-size:13px;line-height:1.8;color:rgba(255,255,255,.58);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.52);
}
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:50;width:46px;height:46px;border-radius:12px;
  background:var(--surface);border:1px solid var(--line);color:var(--ink-900);box-shadow:var(--sh-1);
  display:grid;place-items:center;opacity:0;visibility:hidden;transition:all var(--t);
}
.to-top.is-on{opacity:1;visibility:visible;}
.to-top:hover{background:var(--brand);border-color:var(--brand);transform:translateY(-2px);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .nav-search input{width:104px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .nav-links,.nav-search,.nav-divider{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  body{padding-top:56px;}
  .site-header,.nav-inner{height:56px;}
  .hero-grid{grid-template-columns:1fr;gap:32px;align-items:start;}
  .page-hero .inner{padding:56px 0 64px;}
  .metric-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .metric-strip div:nth-child(2){border-right:0;}
  .metric-strip div:nth-child(1),.metric-strip div:nth-child(2){border-bottom:1px solid var(--line);}
  .rule-cards{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band .inner{grid-template-columns:1fr;gap:28px;padding:40px 32px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:34px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:30px;}
  .brand-text span{display:none;}
  .notice-row{padding:20px 18px;gap:12px;}
  .n-date{flex:0 0 100%;flex-direction:row;align-items:center;gap:10px;}
  .n-action{flex:0 0 100%;align-items:flex-start;}
  .rule-cards{grid-template-columns:1fr;}
  .faq-wrap{padding:4px 18px 8px;}
  .faq-item[open] summary::before{left:-18px;}
  .subscribe-form{flex-direction:column;}
  .subscribe-form .btn{width:100%;}
  .back-home{padding:24px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:34px;}
  .to-top{right:16px;bottom:18px;}
}
@media (max-width:519px){
  .hero-copy h1{font-size:30px;}
  .hero-stats{gap:22px;}
  .hero-stats div strong{font-size:23px;}
  .metric-strip{grid-template-columns:1fr;}
  .metric-strip div{border-right:0;border-bottom:1px solid var(--line);}
  .metric-strip div:last-child{border-bottom:0;}
  .filter-bar{gap:8px;}
  .chip{height:34px;padding:0 13px;font-size:13px;}
}