/* roulang page: index */
:root{
  --ink:#0E1F1D;
  --brand:#0E3C39;
  --brand-deep:#082825;
  --brand-block:#0E2A28;
  --brand-soft:#E3EFEC;
  --accent:#FF7A45;
  --accent-deep:#F26A33;
  --mint:#8FD6B4;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --line:#E7E3DA;
  --text:#23302E;
  --muted:#6B7A77;
  --inv:#F2F7F5;
  --r-card:14px;
  --r-lg:18px;
  --r-btn:10px;
  --r-badge:6px;
  --sh-card:0 2px 10px rgba(14,60,57,.06);
  --sh-hover:0 8px 24px rgba(14,60,57,.12);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","Oswald","Arial Narrow",var(--font-cn);
}
*,*::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:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;font-weight:700;}
p{margin:0;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.num{font-family:var(--font-num);letter-spacing:.02em;}

/* 布局容器 */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:36px 0;}
.section-tight{padding:24px 0;}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:60;background:#F6F4EF;border-bottom:1px solid var(--line);}
.header-top{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:70px;padding-top:12px;padding-bottom:12px;}
.logo{display:inline-flex;align-items:center;gap:10px;min-height:30px;}
.logo-mark{width:32px;height:32px;border-radius:9px;background:var(--brand);position:relative;flex:0 0 auto;overflow:hidden;}
.logo-mark::before{content:"";position:absolute;left:8px;top:8px;width:16px;height:16px;border-radius:3px;background:var(--mint);}
.logo-mark::after{content:"";position:absolute;right:-6px;bottom:-6px;width:20px;height:20px;background:var(--accent);transform:rotate(45deg);}
.logo-text{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:-.01em;line-height:1;}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--brand);align-items:center;justify-content:center;font-size:17px;}
.chip-nav{border-top:1px solid var(--line);background:#F6F4EF;}
.chip-scroll{display:flex;gap:10px;overflow-x:auto;padding-top:10px;padding-bottom:12px;scrollbar-width:none;-ms-overflow-style:none;}
.chip-scroll::-webkit-scrollbar{display:none;}
.chip{flex:0 0 auto;display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:999px;border:1px solid var(--brand-soft);background:#fff;color:var(--brand);font-size:15px;font-weight:600;white-space:nowrap;}
.chip:hover{background:var(--brand-soft);transform:translateY(-1px);}
.chip.is-active{background:var(--brand-soft);border-color:#C9DFD9;box-shadow:inset 0 -2px 0 var(--brand);}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,122,69,.22);}
.btn-primary:hover{background:var(--accent-deep);transform:translateY(-2px);box-shadow:0 10px 22px rgba(255,122,69,.3);}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-2px);}
.btn-dark{background:var(--brand);color:#fff;}
.btn-dark:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 10px 22px rgba(14,60,57,.22);}
.btn-light{background:rgba(242,247,245,.08);border-color:rgba(242,247,245,.32);color:var(--inv);}
.btn-light:hover{background:rgba(242,247,245,.18);transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}

/* 首屏 */
.hero{padding:60px 0 40px;}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:56px;align-items:center;}
.eyebrow{display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:6px;background:var(--brand-soft);color:var(--brand);font-size:14px;font-weight:600;margin-bottom:20px;}
.hero h1{font-size:44px;line-height:1.22;margin-bottom:18px;}
.hero-sub{font-size:18px;line-height:1.8;color:var(--muted);max-width:520px;}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.meta-line{margin-top:18px;font-size:14px;color:var(--muted);line-height:1.7;}
.meta-line .num{color:var(--brand);font-weight:600;}
.trust-row{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px;}
.trust-row li{position:relative;padding-left:20px;font-size:15px;color:var(--muted);font-weight:600;}
.trust-row li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:var(--mint);}
.hero-visual{position:relative;}
.hero-visual::before{content:"";position:absolute;right:-16px;bottom:-16px;width:190px;height:190px;background:var(--mint);opacity:.55;clip-path:polygon(100% 0,100% 100%,0 100%);border-radius:0 0 var(--r-lg) 0;z-index:0;}
.hero-visual img{position:relative;z-index:1;width:100%;aspect-ratio:5/4;object-fit:cover;border-radius:var(--r-lg);box-shadow:0 12px 32px rgba(14,60,57,.14);}

/* 板块标题 */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap;}
.section-title{padding-left:16px;position:relative;}
.section-title h2{font-size:30px;line-height:1.3;}
.section-title h2::before{content:"";position:absolute;left:0;top:.2em;width:4px;height:.92em;background:var(--accent);border-radius:2px;}
.section-title p{margin-top:8px;font-size:16px;color:var(--muted);}
.link-more{color:var(--brand);font-size:15px;font-weight:600;border-bottom:1px solid transparent;transition:border-color .2s ease,color .2s ease;}
.link-more:hover{border-color:var(--brand);}

/* 特性区 */
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.feature-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-card);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;display:flex;flex-direction:column;gap:12px;}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:#D9DDD6;}
.feature-lg{grid-row:span 2;background:var(--brand);border-color:var(--brand);color:var(--inv);position:relative;overflow:hidden;}
.feature-lg h3{color:#fff;}
.feature-lg p{color:rgba(242,247,245,.82);}
.feature-lg .feature-icon{background:rgba(143,214,180,.22);color:var(--mint);}
.feature-wide{grid-column:1 / -1;flex-direction:row;align-items:center;justify-content:space-between;gap:32px;background:#fff;}
.feature-wide .feature-body{max-width:680px;}
.feature-icon{width:46px;height:46px;border-radius:12px;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:19px;flex:0 0 auto;}
.feature-card h3{font-size:21px;line-height:1.4;}
.feature-card p{font-size:16px;line-height:1.8;color:var(--muted);}
.feature-list{margin-top:auto;display:flex;flex-wrap:wrap;gap:8px;}
.feature-list span{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:6px;background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600;}
.feature-lg .feature-list span{background:rgba(242,247,245,.12);color:var(--inv);}

/* 截图轮播 */
.screenshot-orbit{border-radius:var(--r-lg);overflow:hidden;background:#fff;border:1px solid var(--line);box-shadow:var(--sh-card);}
.screenshot-orbit .orbit-container{background:transparent;}
.screenshot-orbit .orbit-slide{width:100%;}
.screenshot-orbit .orbit-image{width:100%;aspect-ratio:16/9;object-fit:cover;}
.screenshot-orbit .orbit-figure{margin:0;position:relative;}
.screenshot-orbit .orbit-caption{position:absolute;left:20px;right:20px;bottom:20px;background:rgba(8,40,37,.78);color:var(--inv);font-size:15px;line-height:1.7;padding:14px 18px;border-radius:10px;letter-spacing:0;}
.screenshot-orbit .orbit-previous,.screenshot-orbit .orbit-next{background:rgba(14,60,57,.6);color:#fff;border-radius:10px;width:44px;line-height:44px;top:50%;transform:translateY(-50%);}
.screenshot-orbit .orbit-previous:hover,.screenshot-orbit .orbit-next:hover{background:var(--brand);}
.screenshot-orbit .orbit-bullets{margin:18px auto 20px;}
.screenshot-orbit .orbit-bullets button{width:10px;height:10px;background:#D9DDD6;border-radius:3px;}
.screenshot-orbit .orbit-bullets button.is-active{background:var(--accent);}

/* 系统要求 */
.req-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.req-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px;box-shadow:var(--sh-card);}
.req-card h3{font-size:21px;display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.req-card h3 i{color:var(--brand);}
.req-card dl{display:grid;grid-template-columns:112px 1fr;gap:12px 16px;margin:0;font-size:16px;}
.req-card dt{color:var(--muted);font-weight:600;}
.req-card dd{margin:0;color:var(--text);}
.req-note{margin-top:18px;font-size:14px;color:var(--muted);line-height:1.7;padding-top:16px;border-top:1px dashed var(--line);}

/* 评价墙 */
.review-wall{columns:3;column-gap:24px;}
.review-card{break-inside:avoid;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;margin:0 0 24px;box-shadow:var(--sh-card);transition:transform .2s ease,box-shadow .2s ease;}
.review-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.avatar{width:38px;height:38px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-size:15px;font-weight:700;flex:0 0 auto;}
.review-name{font-size:15px;font-weight:700;color:var(--ink);line-height:1.3;}
.review-from{font-size:13px;color:var(--muted);}
.stars{display:flex;gap:2px;font-size:14px;margin-bottom:8px;}
.stars .on{color:var(--accent);}
.stars .off{color:#D8D3C8;}
.review-card p{font-size:15px;line-height:1.75;color:var(--text);}

/* 列表卡片 */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-card);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;}
.post-card:hover{transform:translateY(-3px);border-color:var(--brand);box-shadow:var(--sh-hover);}
.post-card:hover h3{color:var(--brand);}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-badge);background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600;white-space:nowrap;}
.badge-mint{background:rgba(143,214,180,.3);color:#1F6B4F;}
.badge-warm{background:rgba(255,122,69,.15);color:#C24E1E;}
.post-date{font-size:13px;color:var(--muted);font-family:var(--font-num);}
.post-card h3{font-size:19px;line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease;}
.post-card p{font-size:15px;line-height:1.7;color:var(--muted);margin-bottom:18px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.read-more{margin-top:auto;font-size:14px;font-weight:600;color:var(--brand);}
.empty-state{border:1px solid var(--line);border-radius:var(--r-card);background:#fff;padding:56px 24px;text-align:center;box-shadow:var(--sh-card);}
.empty-state svg{width:64px;height:64px;color:var(--mint);margin:0 auto 16px;}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:12px;}
.empty-state a{color:var(--brand);font-weight:600;border-bottom:1px solid transparent;}
.empty-state a:hover{border-color:var(--brand);}

/* FAQ */
.faq-accordion{border:0;background:transparent;}
.faq-accordion .accordion-item{border:1px solid var(--line);border-radius:var(--r-card);background:#fff;margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-card);transition:background .2s ease,border-color .2s ease;}
.faq-accordion .accordion-item.is-active{border-color:#D5E2DE;background:#FCFDFC;}
.faq-accordion .accordion-title{border:0;border-left:4px solid var(--brand);padding:20px 56px 20px 24px;font-size:17px;font-weight:600;color:var(--ink);position:relative;background:transparent;letter-spacing:0;}
.faq-accordion .accordion-title:hover{background:var(--brand-soft);}
.faq-accordion .accordion-title::before{content:"";position:absolute;right:26px;top:50%;width:8px;height:8px;border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:translateY(-70%) rotate(45deg);margin:0;transition:transform .2s ease;}
.faq-accordion .accordion-item.is-active .accordion-title::before{transform:translateY(-30%) rotate(-135deg);}
.faq-accordion .accordion-content{border:0;padding:0 24px 22px 24px;background:transparent;color:var(--muted);font-size:16px;line-height:1.85;}

/* CTA 条 */
.cta-band{position:relative;overflow:hidden;background:var(--brand-deep);color:var(--inv);border-radius:var(--r-lg);padding:44px 48px;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;}
.cta-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:34px 34px;pointer-events:none;}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{color:#fff;font-size:28px;line-height:1.35;margin-bottom:10px;}
.cta-band p{color:rgba(242,247,245,.78);font-size:16px;line-height:1.8;max-width:640px;}
.cta-actions{display:grid;grid-template-columns:repeat(2,minmax(150px,1fr));gap:14px;}

/* 页脚 */
.site-footer{background:var(--brand-deep);color:var(--inv);margin-top:72px;padding-top:56px;position:relative;}
.site-footer::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:34px 34px;pointer-events:none;}
.footer-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(242,247,245,.68);max-width:320px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(242,247,245,.72);border-bottom:1px solid transparent;}
.footer-col a:hover{color:var(--accent);border-color:var(--accent);}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(242,247,245,.68);}
.footer-bottom{position:relative;z-index:1;border-top:1px solid rgba(242,247,245,.12);padding:20px 0 26px;text-align:center;font-size:13px;color:rgba(242,247,245,.6);}
.footer-bottom span{font-family:var(--font-num);letter-spacing:.03em;}

/* 移动菜单 */
.reveal-menu{background:var(--brand-deep);color:var(--inv);}
.reveal-menu h3{color:#fff;font-size:20px;margin-bottom:24px;}
.reveal-menu a{display:block;padding:15px 0;border-bottom:1px solid rgba(242,247,245,.12);font-size:17px;color:rgba(242,247,245,.86);}
.reveal-menu a:hover{color:var(--accent);}
.reveal-menu .btn{margin-top:28px;}
.reveal-overlay{background:rgba(8,40,37,.6);}

/* 响应式 */
@media screen and (max-width:1023px){
  .hero{padding:48px 0 32px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero h1{font-size:36px;}
  .hero-sub{max-width:none;}
  .hero-visual{order:2;}
  .feature-grid{grid-template-columns:1fr;}
  .feature-lg{grid-row:auto;}
  .feature-wide{flex-direction:column;align-items:flex-start;}
  .req-grid{grid-template-columns:1fr;}
  .review-wall{columns:2;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;padding:36px 32px;}
  .cta-actions{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .nav-toggle{display:inline-flex;}
}
@media screen and (max-width:639px){
  .container{padding:0 16px;}
  .section{padding:24px 0;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:17px;}
  .section-title h2{font-size:24px;}
  .review-wall{columns:1;}
  .post-grid{grid-template-columns:1fr;}
  .req-card dl{grid-template-columns:96px 1fr;font-size:15px;}
  .cta-band{padding:30px 22px;}
  .cta-band h2{font-size:23px;}
  .cta-actions{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .header-actions .btn{display:none;}
  .screenshot-orbit .orbit-caption{position:static;left:0;right:0;bottom:0;border-radius:0;background:rgba(8,40,37,.92);}
}
@media screen and (max-width:414px){
  .hero h1{font-size:26px;}
  .feature-card,.post-card,.review-card{padding:18px;}
  .btn{height:46px;padding:0 18px;}
  .cta-actions{grid-template-columns:1fr;}
}

/* roulang page: category1 */
:root{
  --primary:#0E3C39;
  --primary-dark:#082825;
  --primary-light:#E3EFEC;
  --accent:#FF7A45;
  --mint:#8FD6B4;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --dark:#0E2A28;
  --line:#E7E3DA;
  --text:#23302E;
  --heading:#0E1F1D;
  --muted:#6B7A77;
  --inv:#F2F7F5;
  --r-sm:6px;
  --r-btn:10px;
  --r-card:14px;
  --r-lg:18px;
  --sh:0 2px 10px rgba(14,60,57,.06);
  --sh-h:0 8px 24px rgba(14,60,57,.12);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --font-num:"Oswald","Barlow Condensed","Arial Narrow",sans-serif;
  --sec:72px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--accent)}
h1,h2,h3,h4{font-family:var(--font-cn);color:var(--heading);letter-spacing:-0.01em;margin:0;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
dl,dd,dt{margin:0}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.num{font-family:var(--font-num);font-weight:500;letter-spacing:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec) 0}
.section-tight{padding:44px 0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;background:var(--primary);color:#fff;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn:hover{transform:translateY(-2px);box-shadow:var(--sh-h);color:#fff;background:var(--primary-dark)}
.btn:active{transform:translateY(1px);box-shadow:var(--sh)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#f2682f;color:#fff}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:50px;padding:0 28px;font-size:16px}
.btn-light{background:rgba(255,255,255,.12);color:var(--inv);border-color:rgba(255,255,255,.28)}
.btn-light:hover{background:rgba(255,255,255,.2);color:#fff}
.btn-block{width:100%}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-sm);font-size:13px;font-weight:600;line-height:1;
  background:var(--primary-light);color:var(--primary);
}
.badge-mint{background:rgba(143,214,180,.28);color:#0b3d33}
.badge-accent{background:rgba(255,122,69,.14);color:#b8461a}
.badge-plain{background:#F1EFE9;color:#5c6a67}

/* ---------- 头部导航 ---------- */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:20}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--heading)}
.logo:hover{color:var(--heading)}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--primary);
  position:relative;flex:0 0 auto;
}
.logo-mark::after{
  content:"";position:absolute;left:9px;top:9px;width:16px;height:16px;
  border-radius:5px;background:var(--mint);
  clip-path:polygon(0 0,100% 0,100% 62%,62% 100%,0 100%);
}
.logo-text{font-size:20px;font-weight:700;letter-spacing:-0.01em;line-height:1;min-height:28px;display:inline-flex;align-items:center}
.topbar-actions{display:flex;align-items:center;gap:12px}
.chip-nav{background:#fff;border-top:1px solid var(--line)}
.chip-scroll{
  display:flex;align-items:center;gap:10px;
  overflow-x:auto;padding-top:10px;padding-bottom:10px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.chip-scroll::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:999px;border:1px solid var(--primary-light);
  font-size:14px;font-weight:600;color:var(--primary);white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.chip:hover{background:var(--primary-light);color:var(--primary);border-color:var(--primary-light)}
.chip.is-active{
  background:var(--primary-light);color:var(--primary);border-color:var(--primary-light);
  box-shadow:inset 0 -2px 0 0 var(--primary);
}

/* ---------- 面包屑 ---------- */
.crumb-wrap{background:#fff;border-bottom:1px solid var(--line)}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);padding:12px 0;flex-wrap:wrap}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--accent)}
.crumb span.sep{color:#c8c2b6}
.crumb .current{color:var(--heading);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:60vw}

/* ---------- 窄幅头图条 ---------- */
.cat-banner{
  position:relative;min-height:240px;display:flex;align-items:center;
  background-image:linear-gradient(rgba(14,60,57,.78),rgba(14,60,57,.78)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.cat-banner-inner{padding:40px 0;max-width:820px}
.cat-banner h1{font-size:44px;line-height:1.22;color:#fff;margin-bottom:16px}
.cat-banner p{color:rgba(242,247,245,.86);font-size:17px;line-height:1.75;max-width:640px}
.cat-banner .badge{background:rgba(143,214,180,.22);color:#d9f2e6;margin-bottom:18px}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.banner-tags span{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
  font-size:13px;color:#eaf3f0;font-weight:600;
}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh);
}
.stat dt{font-size:14px;color:var(--muted);margin-bottom:8px}
.stat dd{font-family:var(--font-num);font-size:32px;line-height:1.1;color:var(--primary);font-weight:600}
.stat dd small{font-family:var(--font-cn);font-size:14px;color:var(--muted);font-weight:500;margin-left:4px}
.stat-note{margin-top:14px;font-size:13px;color:var(--muted)}

/* ---------- 板块标题 ---------- */
.sec-head{margin-bottom:28px}
.sec-head h2{font-size:30px;line-height:1.3;position:relative;padding-left:16px}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:2px;background:var(--accent);
}
.sec-head p{margin-top:10px;color:var(--muted);font-size:15px;max-width:760px}

/* ---------- 主区布局 ---------- */
.cat-layout{display:flex;flex-wrap:wrap;margin-left:-16px;margin-right:-16px}
.cat-layout > .col-main{width:66.6666%;padding:0 16px}
.cat-layout > .col-side{width:33.3333%;padding:0 16px}
.grid-gap{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px}
.grid-gap > [class*="col-"]{padding:0 12px}

/* ---------- 时间线版本卡 ---------- */
.timeline{position:relative;padding-left:26px}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;background:var(--line);
}
.tl-item{position:relative;margin-bottom:20px}
.tl-item:last-child{margin-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-21px;top:28px;width:10px;height:10px;border-radius:50%;
  background:#fff;border:2px solid var(--primary-light);z-index:1;
}
.tl-item.is-current::before{background:var(--accent);border-color:var(--accent)}
.version-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.version-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:var(--primary)}
.vc-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.vc-ver{font-size:26px;color:var(--primary);font-weight:600;line-height:1}
.vc-date{font-size:14px;color:var(--muted);margin-left:auto}
.vc-list{display:grid;gap:8px;margin-bottom:18px}
.vc-list li{position:relative;padding-left:16px;font-size:15px;line-height:1.7;color:var(--text)}
.vc-list li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;
  background:var(--mint);border-radius:2px;
}
.vc-foot{display:flex;align-items:center;gap:14px;flex-wrap:wrap;border-top:1px dashed var(--line);padding-top:16px}
.vc-meta{font-size:13px;color:var(--muted)}

/* ---------- 侧栏 ---------- */
.side-sticky{position:sticky;top:24px;display:grid;gap:20px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh);
}
.side-card h2{font-size:20px;line-height:1.4;margin-bottom:16px;position:relative;padding-left:14px}
.side-card h2::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:4px;border-radius:2px;background:var(--primary);
}
.req-list{display:grid;gap:12px}
.req-list > div{display:flex;gap:12px;align-items:flex-start;font-size:15px;line-height:1.65}
.req-list dt{color:var(--muted);flex:0 0 74px}
.req-list dd{color:var(--text);flex:1 1 auto}
.req-foot{margin-top:16px;font-size:13px;color:var(--muted);line-height:1.7}

/* ---------- FAQ 折叠 ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{
  background:#FBFAF7;border:1px solid var(--line);border-radius:var(--r-card);
  padding:0 20px;transition:background-color .2s ease,border-color .2s ease;
}
.faq-item[open]{background:#fff;border-color:var(--primary-light)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:12px;
  padding:16px 0;font-size:15px;font-weight:600;color:var(--heading);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";flex:0 0 auto;width:4px;height:18px;border-radius:2px;background:var(--primary);
}
.faq-item summary::after{
  content:"";margin-left:auto;width:8px;height:8px;flex:0 0 auto;
  border-right:2px solid var(--primary);border-bottom:2px solid var(--primary);
  transform:rotate(-45deg);transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 0 18px 16px;font-size:15px;line-height:1.8;color:var(--text)}
.faq-body p + p{margin-top:10px}

/* ---------- 命名规则 / 图文块 ---------- */
.split{display:flex;flex-wrap:wrap;align-items:center;margin-left:-16px;margin-right:-16px}
.split > .split-media{width:41.6666%;padding:0 16px}
.split > .split-text{width:58.3333%;padding:0 16px}
.split.is-reverse{flex-direction:row-reverse}
.media-frame{
  position:relative;width:100%;aspect-ratio:5/4;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--primary-light);box-shadow:var(--sh);
}
.media-frame img{width:100%;height:100%;object-fit:cover}
.rule-list{display:grid;gap:14px;margin-top:8px}
.rule-list > div{
  display:flex;gap:14px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);padding:18px 20px;box-shadow:var(--sh);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rule-list > div:hover{transform:translateY(-2px);box-shadow:var(--sh-h);border-color:var(--primary-light)}
.rule-list dt{flex:0 0 128px;font-weight:600;color:var(--primary);font-size:15px}
.rule-list dd{flex:1 1 auto;font-size:15px;color:var(--text);line-height:1.75}

/* ---------- 下载渠道 ---------- */
.channel-grid{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px}
.channel-grid > .c-main{width:58.3333%;padding:0 12px}
.channel-grid > .c-side{width:41.6667%;padding:0 12px;display:grid;gap:20px}
.channel-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.channel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:var(--primary)}
.channel-card h3{font-size:22px;line-height:1.4;margin-bottom:10px}
.channel-card p{font-size:15px;color:var(--text)}
.channel-card .cap{font-size:13px;color:var(--muted);margin-top:12px}
.channel-card.is-lead{display:flex;flex-direction:column;gap:16px}
.channel-card.is-lead .lead-media{
  width:100%;aspect-ratio:16/9;border-radius:var(--r-card);overflow:hidden;background:var(--primary-light);
}
.channel-card.is-lead .lead-media img{width:100%;height:100%;object-fit:cover}
.check-list{display:grid;gap:10px;margin-top:14px}
.check-list li{position:relative;padding-left:24px;font-size:15px;line-height:1.7}
.check-list li::before{
  content:"";position:absolute;left:0;top:7px;width:12px;height:12px;border-radius:3px;
  background:var(--primary-light);border:1px solid var(--mint);
}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--primary-dark);
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:32px 32px;
  padding:52px 0;
}
.cta-inner{display:flex;align-items:center;gap:32px;flex-wrap:wrap;justify-content:space-between}
.cta-text{max-width:560px}
.cta-text h2{color:#fff;font-size:28px;line-height:1.35;margin-bottom:10px}
.cta-text p{color:rgba(242,247,245,.78);font-size:15px;line-height:1.75}
.cta-actions{display:grid;grid-template-columns:repeat(2,minmax(150px,1fr));gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--primary-dark);color:var(--inv);padding-top:56px}
.site-footer .logo-text{color:#fff}
.site-footer .logo-mark{background:#fff}
.site-footer .logo-mark::after{background:var(--primary)}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(242,247,245,.72);max-width:320px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(242,247,245,.72)}
.footer-col a:hover{color:var(--accent)}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(242,247,245,.72)}
.footer-col p + p{margin-top:10px}
.footer-bottom{
  padding:22px 24px 30px;text-align:center;font-size:13px;
  color:rgba(242,247,245,.6);
}
.footer-bottom span{color:rgba(242,247,245,.6)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--sec:56px}
  .cat-banner h1{font-size:36px}
  .cat-layout > .col-main,.cat-layout > .col-side{width:100%}
  .col-side{margin-top:28px}
  .side-sticky{position:static}
  .split > .split-media,.split > .split-text{width:100%}
  .split.is-reverse{flex-direction:row}
  .split > .split-media{margin-bottom:22px}
  .channel-grid > .c-main,.channel-grid > .c-side{width:100%}
  .channel-grid > .c-side{margin-top:20px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:639px){
  :root{--sec:48px}
  .container{padding:0 16px}
  .topbar-inner{min-height:64px}
  .logo-text{font-size:18px}
  .cat-banner{min-height:200px}
  .cat-banner h1{font-size:30px}
  .cat-banner p{font-size:15px}
  .crumb .current{max-width:52vw}
  .sec-head h2{font-size:24px}
  .stats{grid-template-columns:1fr;gap:14px}
  .cta-text h2{font-size:23px}
  .cta-actions{width:100%;grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .rule-list dt{flex:0 0 auto}
  .rule-list > div{flex-direction:column;gap:8px}
}
@media (max-width:414px){
  .cat-banner h1{font-size:26px}
  .cta-actions{grid-template-columns:1fr}
  .version-card,.side-card,.channel-card{padding:18px}
  .btn-lg{height:46px;padding:0 20px;font-size:15px}
}

/* roulang page: article */
:root{
  --ink:#0E1F1D;
  --body:#23302E;
  --muted:#6B7A77;
  --primary:#0E3C39;
  --primary-dark:#082825;
  --primary-light:#E3EFEC;
  --accent:#FF7A45;
  --mint:#8FD6B4;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --line:#E7E3DA;
  --dark:#0E2A28;
  --r-card:14px;
  --r-lg:18px;
  --r-btn:10px;
  --r-badge:6px;
  --sh:0 2px 10px rgba(14,60,57,.06);
  --sh-hover:0 8px 24px rgba(14,60,57,.12);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  --font-num:"Barlow Condensed","Oswald","Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  color:var(--body);
  background:var(--bg);
  letter-spacing:0;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease,opacity .18s ease;}
a:hover{color:var(--accent);}
h1,h2,h3,h4{color:var(--ink);letter-spacing:-0.01em;margin:0;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-family:var(--font-num);letter-spacing:.02em;}

/* ===== 顶部导航 ===== */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;flex:none;}
.logo-mark{position:relative;width:32px;height:32px;border-radius:9px;background:var(--primary);flex:none;}
.logo-mark::after{content:"";position:absolute;left:9px;top:9px;width:14px;height:14px;border-radius:4px;background:var(--mint);}
.logo-text{font-size:19px;font-weight:700;color:var(--primary);letter-spacing:-0.01em;line-height:1;}
.topbar-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:10px;align-items:center;justify-content:center;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--primary);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--primary);}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.chip-nav{border-top:1px solid var(--line);background:#fff;}
.chip-scroll{display:flex;gap:10px;overflow-x:auto;padding-top:11px;padding-bottom:11px;scrollbar-width:none;-ms-overflow-style:none;}
.chip-scroll::-webkit-scrollbar{display:none;}
.chip{position:relative;flex:none;display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;border:1px solid var(--primary-light);background:#fff;color:var(--primary);font-size:14px;font-weight:600;white-space:nowrap;transition:background .18s ease,color .18s ease,border-color .18s ease;}
.chip:hover{background:var(--primary-light);color:var(--primary);}
.chip.is-active{background:var(--primary-light);border-color:var(--primary-light);color:var(--primary);}
.chip.is-active::after{content:"";position:absolute;left:16px;right:16px;bottom:-11px;height:2px;border-radius:2px;background:var(--primary);}

/* 移动抽屉 */
.drawer{position:fixed;inset:0;z-index:90;background:var(--primary-dark);color:#F2F7F5;padding:24px;transform:translateX(100%);transition:transform .28s ease;overflow-y:auto;}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.drawer .logo-text{color:#F2F7F5;}
.drawer .logo-mark{background:#F2F7F5;}
.drawer .logo-mark::after{background:var(--accent);}
.drawer-close{width:44px;height:44px;border-radius:10px;border:1px solid rgba(242,247,245,.28);background:transparent;color:#F2F7F5;font-size:20px;line-height:1;}
.drawer-links{display:flex;flex-direction:column;gap:6px;margin-bottom:28px;}
.drawer-links a{display:block;padding:14px 16px;border-radius:12px;color:#F2F7F5;font-size:16px;font-weight:600;border:1px solid rgba(242,247,245,.14);transition:background .18s ease,color .18s ease,border-color .18s ease;}
.drawer-links a:hover{background:rgba(143,214,180,.14);color:#fff;border-color:rgba(143,214,180,.4);}
.drawer-links a.is-active{background:rgba(143,214,180,.18);border-color:var(--mint);}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;text-decoration:none;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,122,69,.26);}
.btn-accent:hover{color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(255,122,69,.34);}
.btn-accent:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(255,122,69,.24);}
.btn-outline{border-color:var(--primary);color:var(--primary);background:transparent;}
.btn-outline:hover{background:var(--primary-light);color:var(--primary);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(1px);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-light{background:#fff;color:var(--primary);}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(0,0,0,.14);color:var(--primary);}
.btn-ghost-light{border-color:rgba(242,247,245,.45);color:#F2F7F5;background:transparent;}
.btn-ghost-light:hover{background:rgba(242,247,245,.12);color:#fff;border-color:#F2F7F5;transform:translateY(-2px);}
.btn-block{width:100%;}

/* ===== 面包屑 ===== */
.crumbs{padding:26px 0 0;}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;font-size:14px;color:var(--muted);}
.crumbs li{display:flex;align-items:center;gap:8px;min-width:0;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{color:#C7C2B6;}
.crumbs .current{max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--body);}

/* ===== 文章头部 ===== */
.article-head{padding:22px 0 0;}
.article-title{font-size:clamp(28px,4.2vw,42px);line-height:1.28;font-weight:700;color:var(--ink);max-width:960px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 12px;margin-top:20px;font-size:14px;color:var(--muted);}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px;}
.article-meta .divider{color:#CFCABE;}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-badge);font-size:13px;font-weight:600;background:var(--primary-light);color:var(--primary);}
.badge.badge-mint{background:#EAF7F0;color:#1D6A4C;}
.badge.badge-warm{background:#FFF0E9;color:#B6481F;}

.article-cover{margin:28px 0 0;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/6;background:var(--primary-light);}
.article-cover img{width:100%;height:100%;object-fit:cover;}

/* ===== 正文 ===== */
.article-body{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh);padding:44px 48px;margin-top:28px;}
.entry-content{max-width:760px;margin:0 auto;font-size:17px;line-height:1.9;color:var(--body);}
.entry-content > *:first-child{margin-top:0;}
.entry-content p{margin:0 0 1.2em;}
.entry-content h2{position:relative;font-size:26px;line-height:1.35;font-weight:700;color:var(--ink);margin:38px 0 16px;padding-left:14px;}
.entry-content h2::before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--accent);}
.entry-content h3{font-size:21px;line-height:1.45;font-weight:600;color:var(--ink);margin:28px 0 12px;}
.entry-content h4{font-size:18px;font-weight:600;color:var(--ink);margin:22px 0 10px;}
.entry-content ul{list-style:none;margin:0 0 1.2em;padding:0;}
.entry-content ul li{position:relative;padding-left:22px;margin-bottom:9px;}
.entry-content ul li::before{content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:2px;background:var(--primary);}
.entry-content ol{list-style:none;counter-reset:entrynum;margin:0 0 1.2em;padding:0;}
.entry-content ol li{position:relative;counter-increment:entrynum;padding-left:32px;margin-bottom:10px;}
.entry-content ol li::before{content:counter(entrynum);position:absolute;left:0;top:.28em;width:22px;height:22px;display:flex;align-items:center;justify-content:center;border-radius:6px;background:var(--primary-light);color:var(--primary);font-family:var(--font-num);font-size:13px;font-weight:700;}
.entry-content blockquote{margin:0 0 1.2em;padding:16px 22px;border-left:3px solid var(--accent);background:#FBF7F0;border-radius:0 10px 10px 0;color:#3B4A47;}
.entry-content blockquote p:last-child{margin-bottom:0;}
.entry-content img{border-radius:12px;margin:24px auto;box-shadow:var(--sh);}
.entry-content figure{margin:24px 0;}
.entry-content figcaption{font-size:14px;color:var(--muted);text-align:center;margin-top:10px;}
.entry-content a{color:var(--primary);text-decoration:underline;text-decoration-color:rgba(14,60,57,.3);text-underline-offset:3px;}
.entry-content a:hover{color:var(--accent);text-decoration-color:var(--accent);}
.entry-content table{width:100%;border-collapse:collapse;margin:0 0 1.4em;font-size:15px;}
.entry-content th,.entry-content td{border:1px solid var(--line);padding:12px 14px;text-align:left;}
.entry-content th{background:var(--primary-light);color:var(--primary);font-weight:600;}
.entry-content code{font-family:var(--font-num);background:#F1EEE7;padding:2px 6px;border-radius:4px;font-size:15px;}

/* 空态 */
.empty-state{max-width:760px;margin:0 auto;text-align:center;padding:40px 0 16px;}
.empty-state svg{width:64px;height:64px;margin:0 auto 18px;stroke:var(--mint);fill:none;stroke-width:1.6;}
.empty-state p{font-size:14px;color:var(--muted);margin-bottom:16px;}

/* ===== 文末下载卡 ===== */
.download-inline{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;margin-top:40px;padding:28px 32px;background:var(--primary-light);border:1px solid #D5E6E1;border-radius:var(--r-lg);}
.download-inline h3{font-size:20px;color:var(--ink);margin-bottom:8px;}
.download-inline p{font-size:15px;color:#3E5B56;max-width:520px;}
.download-actions{display:flex;flex-wrap:wrap;gap:10px;}

/* ===== 相关内容 ===== */
.section{padding:56px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{font-size:28px;line-height:1.3;}
.section-head .sub{font-size:14px;color:var(--muted);margin-top:8px;}
.section-link{font-size:14px;font-weight:600;color:var(--primary);border-bottom:1px solid transparent;transition:border-color .18s ease,color .18s ease;}
.section-link:hover{border-color:var(--accent);}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh);text-decoration:none;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;height:100%;}
.card:hover{transform:translateY(-3px);border-color:var(--primary);box-shadow:var(--sh-hover);}
.card-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;}
.card-date{font-family:var(--font-num);font-size:14px;color:var(--muted);}
.card-title{font-size:18px;line-height:1.5;font-weight:600;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .18s ease;}
.card:hover .card-title{color:var(--primary);}
.card-desc{font-size:14px;line-height:1.7;color:var(--muted);margin-top:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-more{margin-top:20px;font-size:14px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px;}
.card:hover .card-more{color:var(--accent);}

.back-column{display:flex;justify-content:center;padding:40px 0 0;}
.back-column a{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--primary);padding:10px 18px;border-radius:999px;border:1px solid var(--line);background:#fff;transition:border-color .2s ease,transform .2s ease,color .2s ease;}
.back-column a:hover{border-color:var(--primary);transform:translateY(-2px);color:var(--accent);}

/* ===== 底部 CTA ===== */
.cta-band{position:relative;overflow:hidden;margin-top:64px;background:var(--primary-dark);border-radius:var(--r-lg);padding:44px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.06) 1px,transparent 1px);background-size:34px 34px;pointer-events:none;}
.cta-band > *{position:relative;z-index:1;}
.cta-copy h2{color:#F2F7F5;font-size:28px;margin-bottom:10px;}
.cta-copy p{color:rgba(242,247,245,.78);font-size:15px;max-width:520px;}
.cta-actions{display:grid;grid-template-columns:repeat(2,minmax(140px,1fr));gap:12px;}

/* ===== 页脚 ===== */
.site-footer{margin-top:72px;background:var(--primary-dark);color:rgba(242,247,245,.72);position:relative;}
.site-footer::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:34px 34px;pointer-events:none;}
.footer-grid{position:relative;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;padding:58px 24px 40px;}
.footer-brand .logo-text{color:#F2F7F5;}
.footer-brand .logo-mark{background:#F2F7F5;}
.footer-brand .logo-mark::after{background:var(--accent);}
.footer-brand p{font-size:14px;line-height:1.8;margin-top:16px;max-width:340px;color:rgba(242,247,245,.72);}
.footer-col h4{font-size:15px;color:#F2F7F5;margin-bottom:16px;font-weight:600;}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px;}
.footer-col a,.footer-col p{font-size:14px;color:rgba(242,247,245,.72);}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{position:relative;border-top:1px solid rgba(242,247,245,.12);padding:20px 24px 26px;text-align:center;font-size:13px;color:rgba(242,247,245,.6);}

/* ===== 响应式 ===== */
@media screen and (max-width:1023px){
  .topbar{min-height:66px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 24px 32px;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .article-body{padding:36px 32px;}
}
@media screen and (max-width:768px){
  .topbar-actions .btn{display:none;}
  .nav-toggle{display:inline-flex;}
  .site-header{position:sticky;}
  .article-title{max-width:100%;}
  .article-cover{aspect-ratio:16/9;}
  .cta-band{padding:32px 26px;}
  .cta-actions{grid-template-columns:repeat(2,minmax(0,1fr));width:100%;}
  .download-inline{padding:24px;flex-direction:column;align-items:flex-start;}
}
@media screen and (max-width:640px){
  .container{padding:0 16px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:40px 16px 28px;}
  .footer-bottom{padding:18px 16px 22px;}
  .related-grid{grid-template-columns:1fr;}
  .section{padding:44px 0 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px;}
  .article-body{padding:26px 20px;border-radius:14px;}
  .entry-content{font-size:16px;line-height:1.9;}
  .entry-content h2{font-size:22px;}
  .entry-content h3{font-size:19px;}
  .site-footer{margin-top:48px;}
}
@media screen and (max-width:414px){
  .article-title{font-size:26px;}
  .logo-text{font-size:17px;}
  .article-body{padding:22px 18px;}
  .cta-actions{grid-template-columns:1fr;}
  .download-actions{width:100%;}
  .download-actions .btn{width:100%;}
  .chip{height:34px;padding:0 13px;font-size:13px;}
}

/* roulang page: category2 */
:root{
  --brand:#0E3C39;
  --brand-deep:#082825;
  --brand-soft:#E3EFEC;
  --accent:#FF7A45;
  --mint:#8FD6B4;
  --dark:#0E2A28;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --line:#E7E3DA;
  --ink:#0E1F1D;
  --ink-2:#23302E;
  --muted:#6B7A77;
  --inv:#F2F7F5;
  --r-card:14px;
  --r-lg:18px;
  --r-btn:10px;
  --r-badge:6px;
  --sh-1:0 2px 10px rgba(14,60,57,.06);
  --sh-2:0 8px 24px rgba(14,60,57,.12);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed","Oswald","PingFang SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--accent);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}

/* ===== header ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
}
.header-bar{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;height:74px;
}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--brand);}
.logo-mark{
  position:relative;flex:0 0 auto;width:28px;height:28px;
  border-radius:8px;background:var(--brand);display:inline-block;
}
.logo-mark::after{
  content:"";position:absolute;left:8px;top:8px;width:12px;height:12px;border-radius:3px;
  background:var(--mint);clip-path:polygon(0 0,100% 0,100% 100%);
}
.logo-text{
  display:inline-flex;align-items:center;min-height:28px;
  font-size:19px;font-weight:700;line-height:1;letter-spacing:-.01em;color:var(--brand);
}
.header-actions{display:flex;align-items:center;gap:16px;}
.header-note{font-size:13px;color:var(--muted);white-space:nowrap;}

.chip-nav{border-top:1px solid var(--line);background:#fff;}
.chip-scroll{
  display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;
  padding-top:12px;padding-bottom:12px;
}
.chip-scroll::-webkit-scrollbar{display:none;}
.chip{
  position:relative;flex:0 0 auto;display:inline-flex;align-items:center;
  height:38px;padding:0 18px;border-radius:999px;
  border:1px solid rgba(14,60,57,.18);
  color:var(--brand);font-size:14px;font-weight:600;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.chip:hover{background:var(--brand-soft);border-color:var(--brand-soft);color:var(--brand);}
.chip.is-active{background:var(--brand-soft);border-color:var(--brand-soft);color:var(--brand);}
.chip.is-active::after{
  content:"";position:absolute;left:18px;right:18px;bottom:4px;height:2px;
  border-radius:1px;background:var(--brand);
}

/* ===== buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border:1px solid transparent;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;text-align:center;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn:hover{transform:translateY(-2px);}
.btn:active{transform:translateY(1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,122,69,.28);}
.btn-primary:hover{background:#FF6A30;color:#fff;box-shadow:0 10px 24px rgba(255,122,69,.34);}
.btn-outline{border-color:var(--brand);color:var(--brand);background:transparent;}
.btn-outline:hover{background:var(--brand-soft);color:var(--brand);}
.btn-inverse{border-color:rgba(242,247,245,.42);color:var(--inv);background:transparent;}
.btn-inverse:hover{background:rgba(242,247,245,.12);border-color:rgba(242,247,245,.72);color:#fff;}

/* ===== page hero ===== */
.page-hero{
  position:relative;display:flex;align-items:center;
  min-height:250px;overflow:hidden;
  background-image:url(/assets/images/coverpic/cover-2.png);
  background-size:cover;background-position:center;
}
.page-hero::before{content:"";position:absolute;inset:0;background:rgba(14,60,57,.72);}
.page-hero .container{position:relative;z-index:1;padding-top:34px;padding-bottom:34px;}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:rgba(242,247,245,.78);margin-bottom:14px;
}
.breadcrumb a{
  color:rgba(242,247,245,.92);
  text-decoration:underline;text-decoration-color:transparent;text-underline-offset:3px;
  transition:text-decoration-color .2s ease,color .2s ease;
}
.breadcrumb a:hover{color:#fff;text-decoration-color:#fff;}
.breadcrumb .sep{color:rgba(242,247,245,.55);}
.breadcrumb .current{color:rgba(242,247,245,.82);}
.page-hero h1{
  font-size:40px;line-height:1.22;font-weight:700;letter-spacing:-.01em;
  color:#fff;max-width:920px;
}
.page-hero .hero-sub{
  margin-top:14px;font-size:16px;line-height:1.7;
  color:rgba(242,247,245,.86);max-width:700px;
}

/* ===== sections ===== */
.section{padding:72px 0;}
.section--tight{padding:56px 0;}
.section-head{margin-bottom:32px;}
.section-head h2{
  position:relative;padding-left:16px;
  font-size:30px;line-height:1.3;font-weight:700;letter-spacing:-.01em;color:var(--ink);
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:2px;background:var(--accent);
}
.section-lead{margin-top:12px;font-size:15px;color:var(--muted);max-width:780px;}

/* ===== feature rows ===== */
.feature-list{display:block;}
.feature-row{
  display:flex;align-items:center;gap:48px;
  padding:40px 0;border-bottom:1px solid var(--line);
}
.feature-list > .feature-row:first-child{padding-top:8px;}
.feature-list > .feature-row:last-child{border-bottom:0;padding-bottom:0;}
.feature-row.is-reverse{flex-direction:row-reverse;}
.fr-text{flex:5 1 0;min-width:0;}
.fr-media{flex:7 1 0;min-width:0;}
.fr-index{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-badge);background:var(--brand-soft);color:var(--brand);
  font-size:13px;font-weight:600;margin-bottom:14px;
}
.fr-text h3{font-size:22px;line-height:1.4;font-weight:600;color:var(--ink);letter-spacing:-.01em;}
.fr-text p{margin-top:14px;font-size:16px;line-height:1.8;color:var(--ink-2);}
.point-list{margin-top:18px;display:grid;gap:10px;}
.point-list li{position:relative;padding-left:20px;font-size:15.5px;line-height:1.7;color:var(--ink-2);}
.point-list li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:2px;border-radius:1px;background:var(--brand);
}

.media-frame{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid var(--line);box-shadow:var(--sh-1);
  aspect-ratio:16/10;background:var(--brand-soft);
}
.media-frame img{width:100%;height:100%;object-fit:cover;}
.media-frame::after{
  content:"";position:absolute;right:-30px;bottom:-30px;width:120px;height:120px;
  background:var(--mint);opacity:.34;
  clip-path:polygon(100% 0,100% 100%,0 100%);
}

/* ===== cards ===== */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(14,60,57,.28);}
.card h3{font-size:20px;line-height:1.4;font-weight:600;color:var(--ink);margin-top:14px;}
.card p{margin-top:12px;font-size:15.5px;line-height:1.8;color:var(--ink-2);}
.card-index{
  font-family:var(--font-num);font-size:34px;line-height:1;color:var(--accent);letter-spacing:.02em;
}
.card .point-list{margin-top:16px;}

.module-layout{display:flex;align-items:stretch;gap:24px;}
.module-lead{flex:6.5 1 0;min-width:0;}
.module-side{flex:5.5 1 0;min-width:0;display:flex;flex-direction:column;gap:24px;}
.module-side .card{flex:1 1 auto;}

/* ===== stats & settings ===== */
.grid-x.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-x.grid-margin-x > .cell{padding-left:12px;padding-right:12px;}

.settings-col{display:grid;gap:24px;}
.setting-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
}
.setting-card h3{
  display:flex;align-items:center;gap:10px;
  font-size:18px;font-weight:600;color:var(--ink);
}
.setting-card h3 .dot{
  width:10px;height:10px;border-radius:3px;background:var(--mint);flex:0 0 auto;
}
.setting-card ul{margin-top:16px;display:grid;gap:12px;}
.setting-card li{
  position:relative;padding-left:18px;font-size:15.5px;line-height:1.75;color:var(--ink-2);
}
.setting-card li::before{
  content:"";position:absolute;left:0;top:.7em;width:6px;height:6px;border-radius:2px;background:var(--brand);opacity:.85;
}

.stat-stack{display:grid;gap:16px;}
.stat{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(14,60,57,.28);}
.stat-value{
  font-family:var(--font-num);font-size:46px;line-height:1;color:var(--accent);letter-spacing:.01em;
}
.stat-label{margin-top:8px;font-size:14px;color:var(--muted);}

/* ===== faq ===== */
.faq-list{display:grid;gap:12px;margin-top:28px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(14,60,57,.3);box-shadow:var(--sh-2);}
.faq-item summary{
  position:relative;display:flex;align-items:center;gap:16px;
  padding:20px 24px 20px 28px;cursor:pointer;list-style:none;
  font-size:16.5px;font-weight:600;color:var(--ink);
  transition:background-color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--brand);
}
.faq-item summary:hover{background:rgba(227,239,236,.5);}
.faq-item[open] summary{background:var(--brand-soft);}
.faq-item summary .q{flex:1 1 auto;}
.faq-item summary .faq-arrow{
  flex:0 0 auto;width:10px;height:10px;margin-right:2px;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(-45deg);transition:transform .2s ease;
}
.faq-item[open] summary .faq-arrow{transform:rotate(45deg);}
.faq-body{
  padding:4px 24px 22px 28px;font-size:16px;line-height:1.85;color:var(--ink-2);
}

/* ===== cta band ===== */
.cta-band{
  position:relative;overflow:hidden;background:var(--brand-deep);
  padding:56px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:48px 48px;
}
.cta-inner{
  position:relative;z-index:1;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta-text h2{font-size:28px;line-height:1.3;font-weight:700;color:#fff;letter-spacing:-.01em;}
.cta-text p{margin-top:12px;font-size:15.5px;line-height:1.8;color:rgba(242,247,245,.78);max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ===== footer ===== */
.site-footer{
  position:relative;overflow:hidden;background:var(--brand-deep);
  color:rgba(242,247,245,.72);padding-top:64px;
}
.site-footer::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:48px 48px;
}
.footer-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.7fr 1fr 1fr 1.3fr;gap:32px;
  padding-bottom:44px;
}
.footer-brand .logo{color:#fff;}
.footer-brand .logo-mark{background:var(--mint);}
.footer-brand .logo-mark::after{background:var(--brand);}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(242,247,245,.72);}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:rgba(242,247,245,.72);}
.footer-col a:hover{color:var(--accent);}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(242,247,245,.72);}
.footer-col p + p{margin-top:10px;}
.footer-col p span{color:rgba(242,247,245,.9);}
.footer-bottom{
  position:relative;z-index:1;
  border-top:1px solid rgba(242,247,245,.12);
  padding-top:20px;padding-bottom:20px;
  text-align:center;font-size:13px;color:rgba(242,247,245,.6);
}
.footer-bottom span{color:rgba(242,247,245,.78);}

/* ===== responsive ===== */
@media screen and (max-width:1023px){
  .section{padding:48px 0;}
  .section--tight{padding:44px 0;}
  .section-head h2{font-size:26px;}
  .page-hero{min-height:230px;}
  .page-hero h1{font-size:32px;}
  .feature-row{flex-direction:column;gap:24px;padding:32px 0;}
  .feature-row.is-reverse{flex-direction:column;}
  .fr-text,.fr-media{flex:1 1 auto;width:100%;}
  .module-layout{flex-direction:column;}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .header-note{display:none;}
}
@media screen and (max-width:640px){
  body{font-size:16px;}
  .container{padding-left:16px;padding-right:16px;}
  .page-hero h1{font-size:26px;}
  .page-hero .hero-sub{font-size:15px;}
  .section-head h2{font-size:24px;}
  .fr-text h3{font-size:20px;}
  .card{padding:22px;}
  .module-side{gap:16px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-text h2{font-size:24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 calc(50% - 6px);}
}
@media screen and (max-width:414px){
  .logo-text{font-size:17px;}
  .page-hero h1{font-size:24px;}
  .card{padding:18px;}
  .setting-card{padding:18px;}
  .stat{padding:18px;}
  .cta-actions .btn{flex:1 1 100%;}
  .faq-item summary{padding:18px 18px 18px 22px;font-size:16px;}
  .faq-body{padding:2px 18px 20px 22px;}
}

/* roulang page: category3 */
:root{
  --primary:#0E3C39;
  --primary-dark:#082825;
  --primary-light:#E3EFEC;
  --accent:#FF7A45;
  --mint:#8FD6B4;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --dark:#0E2A28;
  --line:#E7E3DA;
  --text:#23302E;
  --title:#0E1F1D;
  --muted:#6B7A77;
  --inv:#F2F7F5;
  --r-card:14px;
  --r-lg:18px;
  --r-btn:10px;
  --r-badge:6px;
  --sh:0 2px 10px rgba(14,60,57,.06);
  --sh-hover:0 8px 24px rgba(14,60,57,.12);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow Condensed","Oswald","HarmonyOS Sans SC","PingFang SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  letter-spacing:0;
}
h1,h2,h3,h4{margin:0;color:var(--title);letter-spacing:-.01em;font-weight:700;line-height:1.3;}
h1{font-size:44px;line-height:1.22;}
h2{font-size:30px;}
h3{font-size:22px;font-weight:600;line-height:1.4;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,border-color .2s ease;}
a:hover{color:var(--accent);}
img{max-width:100%;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.num{font-family:var(--font-num);letter-spacing:0;}

/* 容器 */
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%;}

/* 顶部导航 */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:40;}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:70px;}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;}
.logo-mark{
  width:30px;height:30px;border-radius:9px;flex:0 0 30px;
  background:var(--primary);
  position:relative;
}
.logo-mark::after{
  content:"";position:absolute;left:8px;top:8px;width:14px;height:14px;
  border-radius:4px;background:var(--mint);
}
.logo-text{font-size:20px;font-weight:700;color:var(--primary);letter-spacing:-.01em;min-height:28px;display:inline-flex;align-items:center;}
.topbar-actions{display:flex;align-items:center;gap:12px;}
.menu-toggle{
  display:none;height:40px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid var(--primary-light);background:#fff;color:var(--primary);
  font-size:14px;font-weight:600;cursor:pointer;
}
.menu-toggle:hover{background:var(--primary-light);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;text-decoration:none;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);}
.btn:active{transform:translateY(1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(255,122,69,.24);}
.btn-primary:hover{background:#ff8a5c;color:#fff;box-shadow:0 10px 24px rgba(255,122,69,.32);}
.btn-outline{background:#fff;border-color:var(--primary);color:var(--primary);}
.btn-outline:hover{background:var(--primary-light);color:var(--primary);box-shadow:var(--sh-hover);}
.btn-ghost{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.42);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}
.btn-block{width:100%;}

/* 分段标签导航 */
.chip-nav{background:#fff;border-bottom:1px solid var(--line);}
.chip-scroll{
  display:flex;gap:10px;overflow-x:auto;padding:10px 24px 14px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.chip-scroll::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;
  border-radius:999px;border:1px solid var(--primary-light);
  color:var(--primary);font-size:14px;font-weight:600;white-space:nowrap;
  position:relative;transition:background .2s ease,color .2s ease;
}
.chip:hover{background:var(--primary-light);color:var(--primary);}
.chip.is-active{background:var(--primary-light);color:var(--primary);}
.chip.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:-9px;height:2px;
  background:var(--primary);border-radius:2px;
}

/* 移动端抽屉 */
.mobile-drawer{
  position:fixed;inset:0;background:var(--primary-dark);z-index:90;
  padding:22px;display:none;flex-direction:column;gap:18px;
}
.mobile-drawer.is-open{display:flex;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-head .logo-text{color:var(--inv);}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid rgba(255,255,255,.3);
  background:transparent;color:#fff;font-size:22px;line-height:1;cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-top:8px;}
.drawer-nav a{
  color:var(--inv);font-size:17px;font-weight:600;padding:14px 4px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.drawer-nav a:hover{color:var(--accent);}

/* 窄幅头图条 */
.page-hero{
  position:relative;min-height:250px;display:flex;align-items:center;
  background-image:url('/assets/images/coverpic/cover-3.png');
  background-size:cover;background-position:center;
}
.page-hero::before{content:"";position:absolute;inset:0;background:rgba(14,60,57,.74);}
.page-hero-inner{position:relative;z-index:1;padding-top:52px;padding-bottom:52px;}
.breadcrumb{font-size:14px;color:rgba(242,247,245,.78);margin-bottom:14px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.breadcrumb a{color:rgba(242,247,245,.9);text-decoration:none;border-bottom:1px solid transparent;transition:border-color .2s ease,color .2s ease;}
.breadcrumb a:hover{color:#fff;border-bottom-color:rgba(255,255,255,.7);}
.breadcrumb .sep{opacity:.6;}
.breadcrumb .current{color:#fff;font-weight:600;}
.page-hero h1{color:#fff;max-width:840px;font-size:38px;}
.page-hero-sub{color:rgba(242,247,245,.86);font-size:17px;margin-top:14px;max-width:720px;}

/* 主体布局 */
.section{padding:56px 0;}
.section-tight{padding:36px 0;}
.main-area{padding:56px 0 64px;}

.grid-x{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px;}
.grid-x>.cell{padding-left:12px;padding-right:12px;width:100%;}
@media screen and (min-width:1024px){
  .grid-x>.cell.large-3{flex:0 0 25%;max-width:25%;}
  .grid-x>.cell.large-4{flex:0 0 33.3333%;max-width:33.3333%;}
  .grid-x>.cell.large-8{flex:0 0 66.6667%;max-width:66.6667%;}
  .grid-x>.cell.large-9{flex:0 0 75%;max-width:75%;}
}

/* 粘性目录 */
.toc{position:sticky;top:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh);}
.toc-title{font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;margin-bottom:14px;}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:block;padding:10px 14px;font-size:15px;color:var(--muted);
  border-left:2px solid var(--line);border-radius:0 8px 8px 0;
  transition:all .2s ease;
}
.toc-list a:hover,.toc-list a.is-current{color:var(--primary);border-left-color:var(--primary);background:var(--primary-light);}
.toc-tip{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);font-size:13px;color:var(--muted);line-height:1.7;}

/* 引导条 */
.guide-banner{
  display:flex;flex-wrap:wrap;align-items:center;gap:24px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh);margin-bottom:28px;
}
.guide-banner .media-frame{flex:0 0 260px;max-width:260px;}
.guide-banner-body{flex:1 1 280px;min-width:240px;}
.guide-banner-body h2{font-size:22px;margin-bottom:10px;}
.guide-banner-body p{font-size:15px;color:var(--muted);}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-badge);font-size:13px;font-weight:600;
  background:var(--primary-light);color:var(--primary);letter-spacing:.02em;
}
.badge.badge-mint{background:#E7F6EE;color:#1E6B4C;}
.badge.badge-sand{background:#FBEDE5;color:#B24E22;}
.media-frame{
  border-radius:var(--r-card);overflow:hidden;background:var(--primary-light);
  aspect-ratio:16/9;position:relative;
}
.media-frame img{width:100%;height:100%;object-fit:cover;}

/* 步骤块 */
.step{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:34px 32px;margin-bottom:22px;
  box-shadow:var(--sh);overflow:hidden;
  transition:box-shadow .22s ease,border-color .22s ease,transform .22s ease;
  scroll-margin-top:24px;
}
.step:hover{box-shadow:var(--sh-hover);border-color:var(--primary);transform:translateY(-2px);}
.step-num-bg{
  position:absolute;right:18px;top:-18px;font-family:var(--font-num);
  font-size:132px;font-weight:700;line-height:1;color:rgba(14,60,57,.055);
  pointer-events:none;user-select:none;
}
.step-head{display:flex;align-items:center;gap:14px;margin-bottom:16px;position:relative;z-index:1;}
.step-index{
  flex:0 0 38px;width:38px;height:38px;border-radius:10px;
  background:var(--primary-light);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:20px;font-weight:700;
}
.step-head h3{position:relative;padding-left:12px;}
.step-head h3::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  border-radius:2px;background:var(--accent);
}
.step-body{position:relative;z-index:1;font-size:16px;color:var(--text);}
.pt-list{margin:14px 0 0;display:flex;flex-direction:column;gap:10px;}
.pt-list li{position:relative;padding-left:20px;font-size:15.5px;color:var(--text);}
.pt-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;
  border-radius:2px;background:var(--mint);
}
.pt-list li strong{color:var(--title);font-weight:600;}
.note{
  margin-top:16px;padding:14px 18px;border-left:3px solid var(--accent);
  background:#FDF6F1;border-radius:0 10px 10px 0;font-size:15px;color:#5A4636;
}
.inline-code{
  font-family:var(--font-num);background:var(--primary-light);color:var(--primary);
  border-radius:6px;padding:2px 8px;font-size:15px;
}

/* 信息卡 */
.info-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh);
}
.info-card h3{font-size:19px;margin-bottom:14px;}
.info-card + .info-card{margin-top:22px;}
.spec-list{display:flex;flex-direction:column;gap:12px;}
.spec-list div{display:flex;justify-content:space-between;gap:16px;font-size:15px;border-bottom:1px dashed var(--line);padding-bottom:10px;}
.spec-list div:last-child{border-bottom:0;padding-bottom:0;}
.spec-list dt{color:var(--muted);}
.spec-list dd{margin:0;color:var(--title);font-weight:600;text-align:right;}

/* FAQ */
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;transition:background .2s ease,border-color .2s ease;
}
.faq-item[open]{background:#FBFCFB;border-color:var(--primary);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:18px 56px 18px 26px;font-size:17px;font-weight:600;color:var(--title);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;
  background:var(--primary);border-radius:0 3px 3px 0;
}
.faq-item summary::after{
  content:"›";position:absolute;right:24px;top:50%;transform:translateY(-50%);
  font-size:24px;line-height:1;color:var(--primary);
  transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(90deg);}
.faq-answer{padding:0 26px 22px 26px;font-size:15.5px;color:var(--text);}

/* CTA 条 */
.cta-bar{
  background-color:var(--primary-dark);
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:34px 34px;
  border-radius:var(--r-lg);padding:38px;color:var(--inv);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
}
.cta-bar h2{color:#fff;font-size:26px;margin-bottom:10px;}
.cta-bar p{color:rgba(242,247,245,.8);font-size:15.5px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* 通用板块标题 */
.section-head{margin-bottom:28px;max-width:760px;}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--muted);font-size:16px;}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* 页脚 */
.site-footer{
  background-color:var(--primary-dark);
  background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:34px 34px;
  color:rgba(242,247,245,.72);padding:56px 0 0;margin-top:64px;
}
.footer-grid{display:flex;flex-wrap:wrap;gap:36px;}
.footer-brand{flex:1 1 300px;max-width:360px;}
.footer-brand .logo-text{color:var(--inv);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(242,247,245,.68);}
.footer-col{flex:1 1 180px;min-width:170px;}
.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{color:rgba(242,247,245,.72);font-size:14px;border-bottom:1px solid transparent;transition:color .2s ease,border-color .2s ease;}
.footer-col a:hover{color:var(--accent);border-bottom-color:var(--accent);}
.footer-col p{font-size:13.5px;line-height:1.8;color:rgba(242,247,245,.62);margin-bottom:10px;}
.footer-bottom{
  margin-top:44px;padding:22px 0;text-align:center;font-size:13.5px;
  color:rgba(242,247,245,.6);border-top:1px solid rgba(255,255,255,.1);
}

/* 响应式 */
@media screen and (max-width:1023px){
  .page-hero h1{font-size:32px;}
  .toc{position:static;padding:16px;margin-bottom:24px;}
  .toc-list{flex-direction:row;flex-wrap:nowrap;overflow-x:auto;gap:8px;scrollbar-width:none;}
  .toc-list::-webkit-scrollbar{display:none;}
  .toc-list a{
    border-left:0;border:1px solid var(--primary-light);border-radius:999px;
    padding:8px 14px;white-space:nowrap;font-size:14px;
  }
  .toc-list a:hover,.toc-list a.is-current{border-color:var(--primary);}
  .toc-tip{display:none;}
  .step-num-bg{font-size:100px;right:12px;}
  .section{padding:44px 0;}
  .main-area{padding:40px 0 48px;}
}
@media screen and (max-width:767px){
  .menu-toggle{display:inline-flex;align-items:center;}
  .topbar-actions .btn-sm{display:none;}
  h1{font-size:30px;}
  h2{font-size:25px;}
  h3{font-size:20px;}
  .container{padding:0 16px;}
  .chip-scroll{padding:10px 16px 14px;}
  .page-hero{min-height:210px;}
  .page-hero-inner{padding-top:40px;padding-bottom:40px;}
  .page-hero h1{font-size:27px;}
  .page-hero-sub{font-size:15.5px;}
  .step{padding:26px 22px;}
  .step-num-bg{font-size:84px;top:-10px;}
  .guide-banner .media-frame{flex:1 1 100%;max-width:100%;}
  .cta-bar{padding:28px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 calc(50% - 12px);}
}
@media screen and (max-width:520px){
  .cta-actions .btn{flex:1 1 100%;}
  .spec-list div{flex-direction:column;gap:4px;}
  .spec-list dd{text-align:left;}
}
@media screen and (max-width:414px){
  h1{font-size:26px;}
  .page-hero h1{font-size:24px;}
  .step{padding:22px 18px;}
  .step-head h3{font-size:18px;}
  .faq-item summary{padding:16px 48px 16px 20px;font-size:16px;}
  .faq-answer{padding:0 20px 18px 20px;}
}

/* roulang page: category4 */
:root{
  --brand:#0E3C39;
  --brand-dark:#082825;
  --brand-100:#E3EFEC;
  --accent:#FF7A45;
  --mint:#8FD6B4;
  --bg:#F6F4EF;
  --card:#FFFFFF;
  --dark:#0E2A28;
  --line:#E7E3DA;
  --ink:#0E1F1D;
  --text:#23302E;
  --muted:#6B7A77;
  --white-72:rgba(242,247,245,.72);
  --r-badge:6px;
  --r-btn:10px;
  --r-card:14px;
  --r-lg:18px;
  --shadow:0 2px 10px rgba(14,60,57,.06);
  --shadow-lg:0 8px 24px rgba(14,60,57,.12);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",Helvetica,Arial,sans-serif;
  --font-num:"Barlow Condensed","Oswald","PingFang SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  letter-spacing:0;
}
img{display:block;max-width:100%;height:auto;border-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,text-decoration-color .2s ease;}
a:hover{color:var(--accent);}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;font-weight:700;line-height:1.3;}
h1{font-size:36px;line-height:1.24;}
h2{font-size:30px;}
h3{font-size:22px;font-weight:600;line-height:1.4;}
p{margin:0 0 1em;}
ul,ol{margin:0;}
button{font-family:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:64px 0;}
.section-tight{padding:16px 0 56px;}
.section-head{max-width:720px;margin-bottom:28px;}
.section-head h2{margin-bottom:10px;}
.section-note{margin:0;color:var(--muted);font-size:15px;line-height:1.75;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 4px 14px rgba(255,122,69,.28);}
.btn-primary:hover,.btn-primary:focus{background:#F26A33;color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(255,122,69,.34);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 3px 10px rgba(255,122,69,.24);}
.btn-ghost{background:#fff;color:var(--brand);border-color:#BFD8D3;}
.btn-ghost:hover,.btn-ghost:focus{color:var(--brand);border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-lg);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}

.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);border-bottom:1px solid transparent;transition:color .2s,border-color .2s;}
.link-more::after{content:"›";font-size:16px;line-height:1;transform:translateY(-1px);}
.link-more:hover{color:var(--accent);border-bottom-color:var(--accent);}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);}
.header-top{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;}
.logo-mark{position:relative;width:28px;height:28px;border-radius:8px;background:var(--brand);flex:0 0 auto;}
.logo-mark::after{content:"";position:absolute;top:-4px;right:-4px;width:12px;height:12px;border-radius:4px;background:var(--accent);transform:rotate(45deg);}
.logo-text{font-size:20px;font-weight:700;color:var(--brand);letter-spacing:-.01em;white-space:nowrap;}
.header-actions{display:flex;align-items:center;gap:12px;}
.menu-toggle{display:none;width:40px;height:40px;border:1px solid #BFD8D3;border-radius:10px;background:#fff;padding:0;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand);}

.chip-nav{border-top:1px solid var(--line);background:#FCFBF8;}
.chip-scroll{display:flex;align-items:center;gap:10px;overflow-x:auto;padding:12px 24px;scrollbar-width:none;-ms-overflow-style:none;}
.chip-scroll::-webkit-scrollbar{display:none;}
.chip{
  position:relative;display:inline-block;flex:0 0 auto;
  padding:8px 18px;border-radius:999px;border:1px solid #CFE2DD;
  font-size:14px;font-weight:600;color:var(--brand);background:#fff;white-space:nowrap;
  transition:background-color .2s,border-color .2s,color .2s;
}
.chip::after{content:"";position:absolute;left:50%;bottom:-13px;width:0;height:2px;border-radius:2px;background:var(--brand);transform:translateX(-50%);transition:width .2s ease;}
.chip:hover{background:var(--brand-100);border-color:var(--brand);color:var(--brand);}
.chip.is-active{background:var(--brand-100);border-color:#A9CBC4;color:var(--brand);}
.chip.is-active::after{width:56%;}

/* ============ 移动抽屉 ============ */
.mobile-drawer{
  position:fixed;inset:0;z-index:80;background:#fff;
  padding:24px 20px 40px;overflow-y:auto;
  transform:translateX(100%);visibility:hidden;
  transition:transform .28s ease,visibility .28s ease;
}
.mobile-drawer.is-open{transform:translateX(0);visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--brand);font-size:20px;line-height:1;cursor:pointer;}
.drawer-list{list-style:none;margin:0 0 24px;padding:0;display:flex;flex-direction:column;gap:6px;}
.drawer-list a{display:block;padding:14px 12px;border-radius:10px;font-size:16px;font-weight:600;color:var(--ink);border:1px solid transparent;}
.drawer-list a.is-active{background:var(--brand-100);color:var(--brand);border-color:#CFE2DD;}
.drawer-list a:hover{background:#F1F6F4;color:var(--brand);}
body.is-locked{overflow:hidden;}

/* ============ 头图条 ============ */
.hero-strip{
  position:relative;display:flex;align-items:center;
  min-height:240px;padding:56px 0 48px;overflow:hidden;
  background-image:url("/assets/images/coverpic/cover-4.webp");
  background-size:cover;background-position:center;
}
.hero-strip::before{content:"";position:absolute;inset:0;background:rgba(14,60,57,.78);}
.hero-strip .container{position:relative;z-index:1;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(242,247,245,.72);margin-bottom:14px;}
.breadcrumb a{color:rgba(242,247,245,.82);border-bottom:1px solid transparent;}
.breadcrumb a:hover{color:#fff;border-bottom-color:rgba(255,255,255,.6);}
.breadcrumb .current{color:rgba(242,247,245,.72);}
.hero-strip h1{color:#fff;max-width:900px;}
.hero-sub{margin:14px 0 0;max-width:680px;color:rgba(242,247,245,.86);font-size:16px;line-height:1.75;}

/* ============ 筛选 ============ */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.filter-chip{
  font-size:14px;font-weight:600;color:var(--brand);background:#fff;
  border:1px solid #CFE2DD;border-radius:999px;padding:8px 18px;cursor:pointer;
  transition:background-color .2s,border-color .2s,color .2s,transform .2s;
}
.filter-chip:hover{background:var(--brand-100);border-color:var(--brand);}
.filter-chip:active{transform:translateY(1px);}
.filter-chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff;}

/* ============ 公告卡 ============ */
.announce-grid{margin-bottom:0;}
.announce-stack{display:flex;flex-direction:column;gap:24px;height:100%;}
.announce-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow);height:100%;
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
}
.announce-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:#CFE2DD;}
.announce-feature .card-media{
  width:100%;aspect-ratio:16/9;border-radius:12px;overflow:hidden;margin-bottom:20px;background:var(--brand-100);
}
.announce-feature .card-media img{width:100%;height:100%;object-fit:cover;}
.badge-row{display:flex;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap;}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-badge);
  font-size:13px;font-weight:600;line-height:1;white-space:nowrap;
}
.badge-brand{background:var(--brand-100);color:var(--brand);}
.badge-mint{background:#E7F6EE;color:#1E6B52;}
.badge-warm{background:#FFF0E9;color:#C2481B;}
.announce-date{font-family:var(--font-num);font-size:16px;letter-spacing:.02em;color:var(--muted);}
.announce-card h3{font-size:19px;margin-bottom:10px;line-height:1.5;}
.announce-card p{font-size:15px;color:var(--muted);line-height:1.8;margin:0 0 14px;}

/* ============ 状态面板 ============ */
.status-panel{
  position:relative;overflow:hidden;background:var(--dark);
  border-radius:var(--r-lg);padding:36px;color:#F2F7F5;
}
.status-panel::before,.cta-bar::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:34px 34px;
}
.status-panel .grid-x{position:relative;z-index:1;}
.panel-label{margin:0;font-size:14px;letter-spacing:.06em;color:rgba(242,247,245,.6);}
.countdown{display:flex;gap:14px;margin:16px 0 12px;flex-wrap:wrap;}
.countdown-item{
  min-width:88px;padding:12px 16px;text-align:center;
  background:rgba(255,255,255,.06);border:1px solid rgba(143,214,180,.3);border-radius:12px;
}
.countdown-num{display:block;font-family:var(--font-num);font-size:38px;font-weight:700;line-height:1;color:#fff;}
.countdown-unit{display:block;margin-top:6px;font-size:12px;letter-spacing:.08em;color:rgba(242,247,245,.62);}
.panel-note{margin:0;font-size:13.5px;color:rgba(242,247,245,.6);line-height:1.7;}
.status-list{list-style:none;margin:0;padding:0;}
.status-list li{
  display:flex;align-items:center;gap:10px;padding:12px 0;font-size:15px;
  color:rgba(242,247,245,.86);border-bottom:1px solid rgba(255,255,255,.09);
}
.status-list li:last-child{border-bottom:none;}
.dot{flex:0 0 auto;width:8px;height:8px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(143,214,180,.16);}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px;}
.faq-list{list-style:none;margin:0;padding:0;background:transparent;border:none;}
.faq-list .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-list .accordion-item:hover{box-shadow:var(--shadow-lg);}
.faq-list .accordion-item.is-active{border-color:#CFE2DD;}
.faq-list .accordion-title{
  position:relative;display:block;padding:18px 56px 18px 30px;margin:0;
  font-size:16px;font-weight:600;color:var(--ink);background:#fff;border:none;
  font-family:var(--font-cn);line-height:1.6;transition:background-color .2s,color .2s;
}
.faq-list .accordion-title::before{
  content:"";position:absolute;left:14px;top:22px;bottom:22px;width:4px;border-radius:2px;background:var(--brand);
}
.faq-list .accordion-title::after{
  content:"";position:absolute;right:26px;top:50%;width:9px;height:9px;margin-top:-7px;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(45deg);transition:transform .2s ease;
}
.faq-list .accordion-item.is-active .accordion-title{background:#F5FAF8;}
.faq-list .accordion-item.is-active .accordion-title::after{transform:rotate(-135deg);}
.faq-list .accordion-title:hover,.faq-list .accordion-title:focus{background:#F5FAF8;color:var(--brand);}
.faq-list .accordion-content{
  padding:0 30px 22px 30px;background:#fff;border:none;
  color:var(--text);font-size:15.5px;line-height:1.85;
}
.faq-list .accordion-content p:last-child{margin-bottom:0;}

/* ============ 历史公告时间线 ============ */
.timeline{list-style:none;margin:0;padding:0;border-top:1px solid var(--line);}
.timeline li{
  display:flex;align-items:flex-start;gap:18px;
  padding:18px 0;border-bottom:1px solid var(--line);
}
.timeline .tl-date{
  flex:0 0 108px;font-family:var(--font-num);font-size:19px;letter-spacing:.02em;color:var(--brand);
}
.timeline .tl-body{flex:1 1 auto;min-width:0;}
.timeline .tl-body p{margin:0;font-size:15.5px;color:var(--text);line-height:1.8;}
.timeline .tl-body .badge{margin-bottom:8px;}

/* ============ CTA ============ */
.cta-bar{
  position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;
  gap:28px;flex-wrap:wrap;background:var(--brand-dark);border-radius:var(--r-lg);padding:34px 36px;
}
.cta-bar .cta-text,.cta-bar .cta-actions{position:relative;z-index:1;}
.cta-bar h2{color:#fff;font-size:24px;margin-bottom:8px;}
.cta-bar p{margin:0;color:var(--white-72);font-size:15px;line-height:1.75;max-width:520px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-bar .btn-ghost{background:transparent;color:#F2F7F5;border-color:rgba(143,214,180,.5);}
.cta-bar .btn-ghost:hover{background:rgba(143,214,180,.12);border-color:var(--mint);color:#fff;}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-dark);color:var(--white-72);padding:56px 0 0;position:relative;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:36px;}
.footer-brand .logo-text{color:#F2F7F5;}
.footer-brand .logo-mark{background:var(--mint);}
.footer-brand .logo-mark::after{background:var(--accent);}
.footer-brand p{margin:16px 0 0;font-size:14px;line-height:1.8;max-width:330px;color:var(--white-72);}
.footer-col h4{color:#F2F7F5;font-size:15px;font-weight:700;margin:0 0 14px;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-col li a{font-size:14px;color:var(--white-72);border-bottom:1px solid transparent;}
.footer-col li a:hover{color:var(--accent);border-bottom-color:var(--accent);}
.footer-col p{font-size:14px;line-height:1.8;margin:0 0 8px;color:var(--white-72);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);padding:20px 0;text-align:center;
  font-size:13px;color:rgba(242,247,245,.6);line-height:1.7;
}
.footer-bottom span{color:rgba(242,247,245,.72);}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  h1{font-size:32px;}
  h2{font-size:26px;}
  .section{padding:52px 0;}
  .section-tight{padding:12px 0 46px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .status-panel{padding:30px;}
}
@media (max-width:767px){
  .menu-toggle{display:flex;}
  .header-actions .btn-sm{display:none;}
  .announce-stack{gap:18px;}
  .cta-bar{padding:28px 24px;}
  .cta-bar h2{font-size:21px;}
}
@media (max-width:639px){
  body{font-size:16px;}
  .container{padding:0 16px;}
  .chip-scroll{padding:12px 16px;}
  h1{font-size:28px;}
  h2{font-size:23px;}
  .hero-strip{min-height:200px;padding:40px 0 34px;}
  .hero-sub{font-size:15px;}
  .section{padding:44px 0;}
  .section-tight{padding:10px 0 40px;}
  .announce-card{padding:20px;}
  .timeline li{flex-direction:column;gap:8px;}
  .timeline .tl-date{flex:0 0 auto;}
  .status-panel{padding:24px 20px;}
  .countdown-item{min-width:72px;padding:10px 12px;}
  .countdown-num{font-size:30px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .faq-list .accordion-title{font-size:15.5px;padding:16px 48px 16px 28px;}
  .faq-list .accordion-content{padding:0 24px 20px 28px;}
}
@media (max-width:414px){
  h1{font-size:24px;}
  .logo-text{font-size:17px;}
  .announce-card{padding:18px;}
  .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .filter-chip{font-size:13px;padding:7px 14px;}
}