/* roulang page: index */
:root{
  --bg:#060A12;
  --bg-soft:#0B1220;
  --bg-deep:#04070D;
  --primary:#22D3C5;
  --primary-hover:#3EE6D8;
  --primary-active:#19B3A7;
  --amber:#F5A524;
  --violet:#7C6CFF;
  --text:#E7EEF7;
  --text-2:#94A5BC;
  --text-3:#5E6F88;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --glass:rgba(255,255,255,.045);
  --r-sm:8px;
  --r-md:12px;
  --r-lg:18px;
  --r-pill:999px;
  --sh-sm:0 2px 8px rgba(0,0,0,.28);
  --sh-md:0 12px 32px rgba(0,0,0,.4);
  --sh-glow:0 0 0 1px rgba(34,211,197,.35),0 8px 28px rgba(34,211,197,.22);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,p{margin:0;}
ul,ol{list-style:none;margin:0;padding:0;}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--amber);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* 顶部信息条 */
.topbar{height:36px;background:var(--bg-deep);border-bottom:1px solid var(--line);font-size:13px;color:var(--text-3);}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:36px;}
.topbar-link{color:var(--text-2);transition:color .2s ease;}
.topbar-link:hover{color:var(--primary);}

/* 站点头部 */
.site-header{position:sticky;top:0;z-index:80;background:rgba(6,10,18,.88);border-bottom:1px solid transparent;transition:background .25s ease,border-color .25s ease,backdrop-filter .25s ease;}
.site-header.is-scrolled{backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom-color:var(--line);background:rgba(6,10,18,.93);}
.brand-row{position:relative;display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px;}
.logo{display:flex;align-items:baseline;gap:8px;}
.logo-mark{font-size:24px;font-weight:800;letter-spacing:-.02em;color:var(--text);}
.logo-sub{font-size:12px;font-weight:500;color:var(--text-2);letter-spacing:.08em;}
.logo:hover .logo-mark{color:var(--primary-hover);}
.brand-actions{display:flex;align-items:center;gap:18px;}
.icon-btn{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--r-pill);border:1px solid var(--line);color:var(--text-2);transition:color .2s ease,border-color .2s ease,background .2s ease;}
.icon-btn:hover{color:var(--primary);border-color:rgba(34,211,197,.45);background:rgba(34,211,197,.08);}
.icon-btn svg{width:18px;height:18px;}
.text-link{font-size:14px;color:var(--text-2);transition:color .2s ease;}
.text-link:hover{color:var(--primary);}
.search-panel{position:absolute;right:24px;top:66px;width:min(360px,calc(100vw - 32px));padding:16px;border-radius:var(--r-md);border:1px solid var(--line);background:rgba(11,18,32,.98);box-shadow:var(--sh-md);display:none;z-index:95;}
.search-panel.is-open{display:block;}
.search-panel label{display:block;font-size:13px;color:var(--text-3);margin-bottom:8px;}
.search-panel input{width:100%;height:44px;padding:0 14px;border-radius:var(--r-sm);border:1px solid var(--line-strong);background:rgba(255,255,255,.04);color:var(--text);font-size:14px;}
.search-panel input::placeholder{color:var(--text-3);}
.search-panel input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px rgba(34,211,197,.25);}
.search-panel .btn{margin-top:12px;width:100%;}

/* 频道导航 */
.channel-row{border-top:1px solid var(--line);}
.channel-inner{display:flex;align-items:center;height:52px;}
.channels{
  display:flex;align-items:center;gap:8px;
  overflow-x:auto;scrollbar-width:none;
  padding:0 2px;
  -webkit-mask-image:linear-gradient(to right,transparent 0,#000 16px,#000 calc(100% - 22px),transparent 100%);
  mask-image:linear-gradient(to right,transparent 0,#000 16px,#000 calc(100% - 22px),transparent 100%);
}
.channels::-webkit-scrollbar{display:none;}
.channel{position:relative;display:inline-flex;align-items:center;padding:8px 14px;font-size:14px;color:var(--text-2);white-space:nowrap;border-radius:var(--r-sm);transition:color .2s ease,background .2s ease;}
.channel:hover{color:var(--text);background:rgba(255,255,255,.04);}
.channel.is-active{color:var(--primary);}
.channel.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:-1px;height:2px;border-radius:2px;background:var(--primary);}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:12px 22px;border-radius:var(--r-pill);border:1px solid transparent;font-size:15px;font-weight:600;transition:transform .2s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease,color .2s ease;}
.btn-primary{background:var(--primary);color:#04120F;box-shadow:var(--sh-glow);}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(34,211,197,.45),0 12px 32px rgba(34,211,197,.3);}
.btn-primary:active{background:var(--primary-active);transform:translateY(0);box-shadow:0 0 0 1px rgba(34,211,197,.3),0 4px 14px rgba(34,211,197,.18);}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--primary);}
.btn-ghost:hover{background:rgba(34,211,197,.08);border-color:rgba(34,211,197,.5);color:var(--primary-hover);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);background:rgba(34,211,197,.14);}
.btn-sm{min-height:38px;padding:8px 18px;font-size:14px;}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--primary);}
.btn-link:hover{color:var(--primary-hover);}
.btn-link .arrow{transition:transform .2s ease;}
.btn-link:hover .arrow{transform:translateX(2px);}

/* 通用板块 */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:32px;}
.sec-title{display:flex;gap:14px;}
.sec-bar{width:4px;height:20px;border-radius:2px;background:var(--primary);flex:none;margin-top:9px;}
.sec-title h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:700;letter-spacing:-.01em;}
.sec-title p{margin-top:6px;font-size:14px;color:var(--text-2);}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);border:1px solid rgba(34,211,197,.35);background:rgba(34,211,197,.1);color:var(--primary);font-size:12px;font-weight:600;line-height:1.6;}
.badge-amber{border-color:rgba(245,165,36,.4);background:rgba(245,165,36,.1);color:var(--amber);}

/* Hero */
.hero{position:relative;overflow:hidden;padding:72px 0 104px;min-height:86vh;display:flex;align-items:center;}
.hero-glow{position:absolute;border-radius:50%;filter:blur(90px);pointer-events:none;z-index:0;}
.hero-glow-a{width:520px;height:520px;top:-180px;left:-140px;background:rgba(34,211,197,.18);}
.hero-glow-b{width:440px;height:440px;bottom:-160px;right:-120px;background:rgba(245,165,36,.12);}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.hero h1{font-size:clamp(30px,4.2vw,52px);line-height:1.15;font-weight:700;letter-spacing:-.01em;}
.hero h1 .accent{color:var(--primary);}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.85;color:var(--text-2);max-width:540px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-stats{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:36px;font-size:13px;color:var(--text-2);}
.hero-stats span+span::before{content:"";display:inline-block;width:1px;height:12px;background:var(--line-strong);margin-right:16px;vertical-align:middle;}
.hero-visual{position:relative;}
.visual-frame{position:relative;padding:10px;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:var(--sh-md),inset 0 1px 0 rgba(255,255,255,.08);}
.visual-frame::before{content:"";position:absolute;top:0;left:18px;right:18px;height:1px;background:linear-gradient(90deg,transparent,rgba(34,211,197,.75),transparent);}
.visual-frame img{width:100%;height:340px;object-fit:cover;border-radius:var(--r-md);}
.float-card{position:absolute;left:20px;bottom:-24px;width:62%;min-width:196px;padding:16px 18px;border-radius:var(--r-md);border:1px solid var(--line);background:rgba(11,18,32,.94);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:var(--sh-md),inset 0 1px 0 rgba(255,255,255,.08);}
.float-card .fc-label{font-size:12px;color:var(--text-3);letter-spacing:.04em;}
.float-card .fc-value{display:flex;align-items:baseline;gap:8px;margin-top:4px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:26px;font-weight:700;color:var(--text);}
.float-card .fc-value em{font-style:normal;font-size:12px;font-weight:500;color:var(--text-2);font-family:inherit;}
.progress{height:6px;margin-top:12px;border-radius:var(--r-pill);background:rgba(255,255,255,.08);overflow:hidden;}
.progress i{display:block;height:100%;width:72%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--primary),var(--violet));}

/* 卖点三连 */
.feature-wrap{position:relative;}
.feature-wrap::after{content:"";position:absolute;left:0;right:0;bottom:-44px;border-top:1px dashed rgba(255,255,255,.1);}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.feature-card{padding:28px 24px;border-radius:var(--r-md);border:1px solid var(--line);background:var(--bg-soft);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.feature-card:nth-child(2){margin-top:24px;}
.feature-card:nth-child(3){margin-top:8px;}
.feature-card:hover{transform:translateY(-4px);border-color:rgba(34,211,197,.3);box-shadow:var(--sh-glow);}
.feature-num{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:28px;font-weight:700;line-height:1;color:rgba(34,211,197,.4);}
.feature-card h3{margin-top:14px;font-size:20px;line-height:1.45;font-weight:600;}
.feature-card p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--text-2);}

/* 场景演示 */
.scene{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.scene+.scene{margin-top:80px;}
.scene-media{border-radius:var(--r-md);border:1px solid var(--line);overflow:hidden;box-shadow:var(--sh-md);}
.scene-media img{width:100%;height:320px;object-fit:cover;}
.scene-rev .scene-media{order:2;}
.scene-rev .scene-text{order:1;}
.scene-text h3{margin-top:14px;font-size:clamp(20px,2vw,24px);line-height:1.4;font-weight:700;}
.scene-text>p{margin-top:12px;font-size:15px;color:var(--text-2);line-height:1.85;}
.point-list{margin-top:20px;display:grid;gap:12px;}
.point-list li{position:relative;padding-left:20px;font-size:15px;color:var(--text-2);line-height:1.75;}
.point-list li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:1px;background:var(--primary);transform:rotate(45deg);}
.point-list li strong{color:var(--text);font-weight:600;}

/* 最新信息 */
.cms-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{display:flex;flex-direction:column;border-radius:var(--r-md);border:1px solid var(--line);background:var(--bg-soft);overflow:hidden;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.post-card:hover{transform:translateY(-4px);border-color:rgba(34,211,197,.3);box-shadow:var(--sh-glow);}
.post-body{flex:1;display:flex;flex-direction:column;gap:12px;padding:24px;}
.post-body h3{font-size:17px;line-height:1.55;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-body p{font-size:14px;line-height:1.8;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 24px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);}
.post-read{color:var(--primary);font-weight:600;}
.post-card:hover .post-read{color:var(--primary-hover);}
.empty-state{min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:40px 24px;text-align:center;border:1px dashed rgba(255,255,255,.16);border-radius:var(--r-md);background:rgba(255,255,255,.02);}
.empty-state p{font-size:15px;color:var(--text-2);}

/* 社会认同 */
.logo-wall{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;}
.logo-cell{height:72px;display:flex;align-items:center;justify-content:center;border-radius:var(--r-sm);border:1px solid var(--line);background:rgba(255,255,255,.02);font-size:14px;color:var(--text-3);letter-spacing:.02em;filter:grayscale(1);transition:color .25s ease,border-color .25s ease,background .25s ease,filter .25s ease;}
.logo-cell:hover{color:var(--text);border-color:rgba(34,211,197,.3);background:rgba(34,211,197,.06);filter:none;}
.quote-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:32px;}
.quote-card{padding:24px;border-radius:var(--r-md);border:1px solid var(--line);background:var(--bg-soft);transition:border-color .25s ease,transform .25s ease;}
.quote-card:hover{border-color:rgba(34,211,197,.3);transform:translateY(-3px);}
.quote-card p{font-size:15px;line-height:1.85;}
.quote-meta{margin-top:16px;font-size:13px;color:var(--text-3);}
.quote-meta b{color:var(--text-2);font-weight:600;}

/* FAQ */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{width:100%;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 0;text-align:left;font-size:16px;font-weight:600;color:var(--text);transition:color .2s ease;}
.faq-q:hover{color:var(--primary-hover);}
.faq-q-main{display:flex;align-items:center;gap:12px;}
.faq-bar{width:6px;height:18px;border-radius:2px;background:var(--primary);flex:none;}
.faq-sign{position:relative;width:16px;height:16px;flex:none;}
.faq-sign::before,.faq-sign::after{content:"";position:absolute;background:var(--primary);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.faq-sign::before{left:0;top:7px;width:16px;height:2px;}
.faq-sign::after{left:7px;top:0;width:2px;height:16px;}
.faq-item.is-open .faq-sign::after{transform:rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-item.is-open .faq-a{max-height:360px;}
.faq-a p{padding:0 0 20px 18px;font-size:15px;line-height:1.85;color:var(--text-2);}

/* 底部 CTA */
.cta-panel{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:32px;padding:40px;border-radius:var(--r-lg);border:1px solid var(--line);background:rgba(255,255,255,.045);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:var(--sh-md),inset 0 1px 0 rgba(255,255,255,.08);}
.cta-panel::after{content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(34,211,197,.22),transparent 70%);pointer-events:none;}
.cta-panel h2{position:relative;font-size:clamp(22px,2.4vw,28px);line-height:1.35;font-weight:700;}
.cta-panel p{position:relative;margin-top:10px;font-size:15px;color:var(--text-2);}
.cta-actions{position:relative;display:flex;align-items:center;gap:20px;flex-wrap:wrap;}

/* 页脚 */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:64px 0 56px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:baseline;gap:8px;}
.footer-brand .fm{font-size:22px;font-weight:800;letter-spacing:-.02em;}
.footer-brand .fs{font-size:12px;color:var(--text-2);letter-spacing:.08em;}
.footer-about{margin-top:14px;font-size:13px;line-height:1.9;color:var(--text-3);max-width:280px;}
.footer-col h4{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--text);}
.footer-links{display:grid;gap:2px;font-size:13px;line-height:1.9;color:var(--text-3);}
.footer-links a{transition:color .2s ease;}
.footer-links a:hover{color:var(--primary);}
.footer-bottom{margin-top:48px;padding-top:24px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-3);}

/* 固定转化条 */
.sticky-cta{position:fixed;right:24px;bottom:24px;z-index:90;width:320px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 12px 10px 18px;border-radius:var(--r-pill);border:1px solid var(--line);background:rgba(11,18,32,.9);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:var(--sh-md);opacity:0;transform:translateY(16px);pointer-events:none;transition:opacity .28s ease,transform .28s ease;}
.sticky-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.sticky-cta p{font-size:13px;line-height:1.5;color:var(--text-2);margin:0;}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease-out,transform .4s ease-out;}
.reveal.is-in{opacity:1;transform:none;}

/* 响应式 */
@media (max-width:1280px){
  .hero{padding:64px 0 96px;}
}
@media (max-width:1024px){
  .section{padding:72px 0;}
  .hero{min-height:auto;padding:56px 0 88px;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero-sub{max-width:none;}
  .feature-grid{grid-template-columns:1fr 1fr;}
  .feature-card:nth-child(2),.feature-card:nth-child(3){margin-top:0;}
  .cms-grid{grid-template-columns:1fr 1fr;}
  .scene{grid-template-columns:1fr;gap:28px;}
  .scene-rev .scene-media{order:0;}
  .scene-rev .scene-text{order:0;}
  .scene+.scene{margin-top:56px;}
  .scene-media img{height:280px;}
  .logo-wall{grid-template-columns:repeat(3,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-panel{flex-direction:column;align-items:flex-start;padding:32px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .topbar-note{display:none;}
  .topbar-inner{justify-content:flex-end;}
  .brand-row{height:60px;}
  .logo-mark{font-size:21px;}
  .brand-actions{gap:10px;}
  .brand-actions .text-link{display:none;}
  .search-panel{right:16px;top:56px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .hero{padding:44px 0 64px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{flex:1 1 auto;}
  .visual-frame img{height:230px;}
  .float-card{position:static;width:100%;min-width:0;margin-top:12px;}
  .feature-grid,.cms-grid,.quote-grid{grid-template-columns:1fr;}
  .feature-wrap::after{display:none;}
  .logo-wall{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding:48px 0 96px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .sticky-cta{left:0;right:0;bottom:0;width:100%;height:56px;border-radius:0;border-left:0;border-right:0;border-bottom:0;padding:8px 16px;transform:translateY(100%);}
  .sticky-cta.is-visible{transform:translateY(0);}
  .sticky-cta p{font-size:12px;}
}
@media (max-width:520px){
  .hero h1{font-size:28px;}
  .sec-title h2{font-size:22px;}
  .post-body{padding:20px;}
  .post-foot{padding:12px 20px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --bg:#060A12;
  --bg-2:#0B1220;
  --bg-3:#04070D;
  --glass:rgba(255,255,255,0.045);
  --line:rgba(255,255,255,0.08);
  --line-strong:rgba(255,255,255,0.16);
  --text:#E7EEF7;
  --muted:#94A5BC;
  --dim:#5E6F88;
  --brand:#22D3C5;
  --brand-hover:#3EE6D8;
  --brand-active:#19B3A7;
  --amber:#F5A524;
  --violet:#7C6CFF;
  --r-s:8px;
  --r-m:12px;
  --r-l:18px;
  --sh-s:0 2px 8px rgba(0,0,0,.28);
  --sh-m:0 12px 32px rgba(0,0,0,.4);
  --sh-glow:0 0 0 1px rgba(34,211,197,.35),0 8px 28px rgba(34,211,197,.22);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0}
h1,h2,h3,h4,h5,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(34,211,197,.28);color:#fff}
:focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:4px}
body .container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 顶部信息条 ---------- */
.site-top{position:sticky;top:0;z-index:70}
.topbar{height:36px;background:var(--bg-3);border-bottom:1px solid var(--line);font-size:13px;color:var(--dim)}
.topbar-inner{height:36px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-note{letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-link{color:var(--muted);transition:color .2s var(--ease)}
.topbar-link:hover{color:var(--brand)}

/* ---------- 品牌行 ---------- */
.site-header{
  background:rgba(8,13,22,.78);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s var(--ease),background .25s var(--ease);
}
body.scrolled .site-header{box-shadow:var(--sh-s);background:rgba(6,10,18,.94)}
.brand-row{display:flex;align-items:center;gap:20px;height:72px;position:relative}
.logo{display:flex;align-items:baseline;gap:8px;flex-shrink:0}
.logo-mark{font-size:24px;font-weight:800;letter-spacing:-.02em;line-height:1;color:var(--text)}
.logo-sub{font-size:12px;font-weight:500;color:var(--muted);line-height:1}
.brand-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;border:1px solid var(--line);color:var(--muted);
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{color:var(--brand);border-color:rgba(34,211,197,.4);background:rgba(34,211,197,.08)}
.text-link{font-size:14px;color:var(--muted);padding:6px 2px;transition:color .2s var(--ease)}
.text-link:hover{color:var(--brand)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 22px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-sm{min-height:38px;padding:8px 18px;font-size:14px}
.btn-primary{background:var(--brand);color:#04120F;box-shadow:var(--sh-glow)}
.btn-primary:hover{background:var(--brand-hover);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(34,211,197,.5),0 12px 32px rgba(34,211,197,.3)}
.btn-primary:active{transform:translateY(0);background:var(--brand-active);box-shadow:0 0 0 1px rgba(34,211,197,.4)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--brand)}
.btn-ghost:hover{border-color:rgba(34,211,197,.55);color:var(--brand-hover);background:rgba(34,211,197,.08);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0);color:var(--brand-active)}

/* ---------- 搜索面板 ---------- */
.search-panel{
  position:absolute;right:24px;top:64px;width:min(420px,calc(100% - 48px));
  display:none;flex-direction:column;gap:10px;
  padding:20px;border-radius:var(--r-l);
  background:var(--bg-2);border:1px solid var(--line);box-shadow:var(--sh-m);
}
.search-panel.is-open{display:flex}
.search-panel label{font-size:13px;color:var(--muted)}
.search-panel input{
  height:48px;width:100%;padding:0 14px;border-radius:var(--r-s);
  background:#070C15;border:1px solid var(--line-strong);color:var(--text);font-size:15px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-panel input::placeholder{color:var(--dim)}
.search-panel input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(34,211,197,.18)}

/* ---------- 频道行 ---------- */
.channel-row{border-top:1px solid var(--line);background:rgba(6,10,18,.5)}
.channel-inner{display:flex;align-items:center;height:52px;gap:8px;overflow-x:auto;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.channels{display:flex;align-items:center;gap:8px;min-width:max-content}
.channel{
  position:relative;font-size:14px;padding:8px 14px;border-radius:var(--r-s);
  color:var(--muted);white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.channel:hover{color:var(--text);background:rgba(255,255,255,.05)}
.channel.is-active{color:var(--text);font-weight:600}
.channel.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;
  border-radius:2px;background:var(--brand);
}

/* ---------- 文章首屏 ---------- */
.article-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:#070C15}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(112deg,rgba(6,10,18,.97) 0%,rgba(6,10,18,.9) 42%,rgba(6,10,18,.62) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.article-hero-glow{
  position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(420px 260px at 82% 12%,rgba(34,211,197,.16),transparent 70%),
    radial-gradient(360px 220px at 12% 88%,rgba(124,108,255,.14),transparent 72%);
}
.article-hero-inner{position:relative;padding:28px 0 54px}
.breadcrumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--dim)}
.breadcrumb a{color:var(--muted);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#33405A}
.breadcrumb .current{color:var(--brand)}
.article-head{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:start;margin-top:26px}
.cat-badge{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;
  border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.04em;
  color:var(--brand);background:rgba(34,211,197,.12);border:1px solid rgba(34,211,197,.32);
}
.article-title{
  margin-top:16px;font-size:clamp(30px,4vw,46px);line-height:1.2;font-weight:700;
  letter-spacing:-.01em;color:#F2F7FD;max-width:880px;
}
.article-lead{
  margin-top:18px;max-width:760px;font-size:16px;line-height:1.85;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.article-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:20px;font-size:13px;color:var(--dim)}
.meta-sep{width:1px;height:12px;background:var(--line-strong)}
.share-box{display:flex;gap:10px;padding-top:6px}
.share-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-m);border:1px solid var(--line-strong);color:var(--muted);
  background:rgba(255,255,255,.03);
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease),transform .2s var(--ease);
}
.share-btn svg{width:18px;height:18px}
.share-btn:hover{color:var(--brand);border-color:rgba(34,211,197,.5);background:rgba(34,211,197,.1);transform:translateY(-1px)}
.share-btn:active{transform:translateY(0)}
.share-btn.is-done{color:var(--brand);border-color:rgba(34,211,197,.6)}

/* ---------- 阅读区布局 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;
  align-items:start;padding:52px 0 84px;
}
.article-main{min-width:0;max-width:760px}
.article-body{font-size:16px;line-height:1.85;color:#D3DEEC}
.article-body p{margin:0 0 20px}
.article-body h2{
  position:relative;margin:40px 0 16px;padding-left:14px;
  font-size:26px;line-height:1.35;font-weight:700;color:var(--text);
  scroll-margin-top:110px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.32em;bottom:.32em;width:3px;
  border-radius:2px;background:var(--brand);
}
.article-body h3{margin:32px 0 12px;font-size:22px;line-height:1.45;font-weight:600;color:var(--text);scroll-margin-top:110px}
.article-body h4{margin:26px 0 10px;font-size:18px;font-weight:600;color:var(--text)}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;border-left:3px solid var(--amber);
  background:rgba(245,165,36,.08);border-radius:0 var(--r-m) var(--r-m) 0;color:#C9D7E7;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:8px 0;line-height:1.8}
.article-body li::marker{color:var(--brand)}
.article-body img{margin:26px auto;border-radius:var(--r-m);box-shadow:var(--sh-m)}
.article-body figure{margin:26px 0}
.article-body figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--dim)}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(34,211,197,.35);transition:color .2s var(--ease),border-color .2s var(--ease)}
.article-body a:hover{color:var(--brand-hover);border-color:rgba(62,230,216,.7)}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.article-body thead th{border-bottom:1px solid var(--line-strong);padding:12px 14px;text-align:left;color:var(--text);font-weight:600}
.article-body tbody td{border-bottom:1px solid var(--line);padding:12px 14px;color:#C6D3E4;vertical-align:top}
.article-body tbody tr{transition:background .2s var(--ease)}
.article-body tbody tr:hover{background:rgba(255,255,255,.035)}
.article-body code{
  font-family:ui-monospace,"SFMono-Regular",Menlo,monospace;font-size:14px;
  padding:2px 6px;border-radius:6px;background:rgba(255,255,255,.08);color:#BFEDE8;
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0}
.article-body strong{color:#F0F6FC;font-weight:600}

/* ---------- 空态 ---------- */
.empty-block{
  min-height:280px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  padding:48px 24px;text-align:center;border:1px dashed var(--line-strong);border-radius:var(--r-l);
  background:rgba(255,255,255,.02);color:var(--muted);
}
.empty-block svg{width:40px;height:40px;color:var(--dim)}
.empty-block p{font-size:16px;color:var(--muted)}

/* ---------- 文末标签 ---------- */
.tag-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:40px;padding-top:26px;border-top:1px solid var(--line)}
.tag-row .tag-label{font-size:13px;color:var(--dim);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  font-size:12px;color:var(--muted);border:1px solid var(--line);
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.tag:hover{color:var(--brand);border-color:rgba(34,211,197,.45);background:rgba(34,211,197,.08)}

/* ---------- 相关推荐 ---------- */
.related{margin-top:52px}
.sec-head{display:flex;align-items:center;gap:10px;margin-bottom:22px}
.sec-title{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:700;color:var(--text)}
.sec-title::before{content:"";width:4px;height:20px;border-radius:2px;background:var(--brand)}
.sec-note{margin-left:auto;font-size:13px;color:var(--dim)}
.related-list{display:flex;flex-direction:column;gap:12px}
.related-item{
  display:flex;align-items:center;gap:16px;padding:14px;
  border:1px solid var(--line);border-radius:var(--r-m);background:var(--bg-2);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.related-item:hover{transform:translateY(-3px);border-color:rgba(34,211,197,.32);box-shadow:var(--sh-glow)}
.related-thumb{width:96px;height:64px;flex-shrink:0;border-radius:var(--r-s);overflow:hidden;background:#0E1626}
.related-thumb img{width:100%;height:100%;object-fit:cover}
.related-text{min-width:0}
.related-text h3{font-size:15px;font-weight:600;color:var(--text);line-height:1.5;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.related-text p{font-size:13px;color:var(--dim);margin-top:4px}
.back-btn{margin-top:32px}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card,.toc-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-l);
  padding:20px;box-shadow:var(--sh-s);
}
.side-card h3,.toc-card h3{font-size:14px;font-weight:600;color:var(--text);letter-spacing:.02em;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before,.toc-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--brand)}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:360px;overflow:auto}
.toc-list a{
  display:block;padding:8px 10px;border-radius:var(--r-s);font-size:13px;line-height:1.5;color:var(--muted);
  border-left:2px solid transparent;
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
}
.toc-list a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.toc-list a.is-current{color:var(--brand);background:rgba(34,211,197,.1);border-left-color:var(--brand)}
.side-hot{display:flex;flex-direction:column;gap:2px}
.side-hot a{
  display:flex;gap:10px;padding:10px;border-radius:var(--r-s);font-size:14px;line-height:1.55;color:var(--muted);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.side-hot a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.side-hot .num{
  font-family:ui-monospace,"SFMono-Regular",Menlo,monospace;font-size:12px;color:var(--dim);
  flex-shrink:0;padding-top:3px;
}
.side-hot a:hover .num{color:var(--brand)}
.side-cta{
  background:linear-gradient(160deg,rgba(34,211,197,.14),rgba(11,18,32,.9) 62%);
  border:1px solid rgba(34,211,197,.28);border-radius:var(--r-l);padding:22px;
}
.side-cta h3{font-size:16px;font-weight:600;color:#EAF6F4}
.side-cta p{margin-top:8px;font-size:13px;line-height:1.75;color:var(--muted)}
.side-cta .btn{margin-top:16px;width:100%}

/* ---------- 底部 CTA 面板 ---------- */
.cta-panel{
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  padding:34px 36px;border-radius:var(--r-l);
  background:linear-gradient(120deg,rgba(34,211,197,.14),rgba(124,108,255,.1) 55%,rgba(11,18,32,.92));
  border:1px solid rgba(255,255,255,.09);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--sh-m);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.cta-panel h2{font-size:24px;font-weight:700;color:#F1F8FE;letter-spacing:-.01em}
.cta-panel p{margin-top:8px;font-size:14px;color:var(--muted);max-width:560px}
.cta-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.cta-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.cta-link span.arrow{transition:transform .2s var(--ease)}
.cta-link:hover span.arrow{transform:translateX(3px)}
.cta-section{padding-bottom:88px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-3);border-top:1px solid var(--line);padding:56px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:baseline;gap:8px;margin-bottom:14px}
.footer-brand .fm{font-size:20px;font-weight:800;letter-spacing:-.02em;color:var(--text)}
.footer-brand .fs{font-size:12px;color:var(--muted)}
.footer-about{max-width:310px;font-size:13px;line-height:1.9;color:var(--dim)}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:6px;font-size:13px;line-height:1.9;color:var(--dim)}
.footer-links a{color:var(--dim);transition:color .2s var(--ease)}
.footer-links a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--dim);
}

/* ---------- 固定转化条 ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:80;
  display:flex;align-items:center;gap:14px;
  padding:12px 14px 12px 20px;border-radius:999px;
  background:rgba(11,18,32,.92);border:1px solid var(--line-strong);
  box-shadow:var(--sh-m);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .3s var(--ease),transform .3s var(--ease);
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.float-text{font-size:13px;color:var(--muted);white-space:nowrap}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease-out,transform .4s ease-out}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .article-layout{grid-template-columns:1fr;gap:36px;padding:40px 0 64px}
  .article-main{max-width:none}
  .article-side{position:static;top:auto;order:2}
  .article-head{grid-template-columns:1fr;gap:18px}
  .share-box{padding-top:0}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  body .container{padding:0 16px}
  .topbar{display:none}
  .brand-row{height:60px;gap:12px}
  .brand-actions .text-link{display:none}
  .logo-mark{font-size:21px}
  .channel-inner{height:48px}
  .article-hero-inner{padding:20px 0 38px}
  .article-title{font-size:clamp(26px,6.4vw,34px)}
  .article-lead{font-size:15px}
  .article-body h2{font-size:23px}
  .article-body h3{font-size:20px}
  .related-item{align-items:flex-start}
  .related-thumb{width:80px;height:56px}
  .cta-panel{padding:26px 22px;flex-direction:column;align-items:flex-start}
  .cta-panel h2{font-size:21px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-about{max-width:none}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;
    padding:10px 16px;justify-content:space-between;gap:10px;
    border-left:0;border-right:0;border-bottom:0;
    transform:translateY(100%);
  }
  .float-cta.is-visible{transform:translateY(0)}
  .float-text{font-size:12px}
  .site-footer{padding-bottom:72px}
}
@media (max-width:520px){
  .article-meta{font-size:12px;gap:8px}
  .sidebar-note{display:none}
  .toc-card,.side-card,.side-cta{padding:16px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --bg:#060A12;
  --bg-2:#0B1220;
  --bg-deep:#04070D;
  --glass:rgba(255,255,255,.045);
  --text:#E7EEF7;
  --text-2:#94A5BC;
  --text-3:#5E6F88;
  --primary:#22D3C5;
  --primary-hover:#3EE6D8;
  --primary-active:#19B3A7;
  --amber:#F5A524;
  --violet:#7C6CFF;
  --border:rgba(255,255,255,.08);
  --border-strong:rgba(255,255,255,.16);
  --r-s:8px;
  --r-m:12px;
  --r-l:18px;
  --r-pill:999px;
  --shadow-s:0 2px 8px rgba(0,0,0,.28);
  --shadow-m:0 12px 32px rgba(0,0,0,.4);
  --shadow-glow:0 0 0 1px rgba(34,211,197,.35),0 8px 28px rgba(34,211,197,.22);
  --header-h:124px;
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 72px);-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0}
p{margin:0}
::selection{background:rgba(34,211,197,.28);color:#fff}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:4px}

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

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--bg-deep);border-bottom:1px solid var(--border);font-size:13px;color:var(--text-2)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:36px;gap:16px}
.topbar-note{color:var(--text-3);letter-spacing:.02em}
.topbar-link{color:var(--primary);transition:color .2s ease}
.topbar-link:hover{color:var(--primary-hover)}

/* ---------- 品牌行 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(6,10,18,.82);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-stuck{
  background:rgba(6,10,18,.94);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom-color:var(--border);
  box-shadow:var(--shadow-s);
}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;position:relative}
.logo{display:flex;align-items:baseline;gap:8px}
.logo-mark{font-size:22px;font-weight:800;letter-spacing:-.02em;color:var(--text)}
.logo-sub{font-size:12px;font-weight:500;color:var(--text-2)}
.brand-actions{display:flex;align-items:center;gap:14px}
.icon-btn{
  width:40px;height:40px;display:grid;place-items:center;
  border-radius:var(--r-pill);border:1px solid var(--border);
  color:var(--text-2);transition:color .2s,border-color .2s,background .2s;
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{color:var(--text);border-color:var(--border-strong);background:rgba(255,255,255,.04)}
.icon-btn:active{background:rgba(255,255,255,.08)}
.text-link{font-size:14px;color:var(--text-2);transition:color .2s ease}
.text-link:hover{color:var(--primary)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn-primary{background:var(--primary);color:#04120F;box-shadow:0 8px 24px rgba(34,211,197,.22)}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 10px 30px rgba(34,211,197,.32)}
.btn-primary:active{background:var(--primary-active);transform:none;box-shadow:0 4px 14px rgba(34,211,197,.2)}
.btn-ghost{background:transparent;border-color:var(--border-strong);color:var(--primary)}
.btn-ghost:hover{background:rgba(34,211,197,.08);border-color:rgba(34,211,197,.5);color:var(--primary-hover);transform:translateY(-1px)}
.btn-ghost:active{background:rgba(34,211,197,.14);transform:none}
.btn-sm{min-height:38px;padding:8px 16px;font-size:14px}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:600;transition:color .2s ease}
.btn-text .arrow{transition:transform .2s ease}
.btn-text:hover{color:var(--primary-hover)}
.btn-text:hover .arrow{transform:translateX(3px)}

/* ---------- 搜索面板 ---------- */
.search-panel{
  position:absolute;right:0;top:calc(100% - 6px);
  width:min(420px,100%);display:none;z-index:70;
  background:var(--bg-2);border:1px solid var(--border-strong);
  border-radius:var(--r-m);padding:16px;box-shadow:var(--shadow-m);
}
.search-panel.is-open{display:block}
.search-panel label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px}
.search-panel input{
  width:100%;height:44px;margin-bottom:12px;padding:0 14px;
  background:#04070D;border:1px solid var(--border);border-radius:var(--r-s);
  color:var(--text);font-size:14px;font-family:inherit;transition:border-color .2s,box-shadow .2s;
}
.search-panel input::placeholder{color:var(--text-3)}
.search-panel input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px rgba(34,211,197,.2)}

/* ---------- 频道行 ---------- */
.channel-row{border-top:1px solid var(--border);background:rgba(11,18,32,.55)}
.channel-inner{display:flex;align-items:center;height:52px;position:relative}
.channels{display:flex;gap:8px;overflow-x:auto;width:100%;scrollbar-width:none;-ms-overflow-style:none}
.channels::-webkit-scrollbar{display:none}
.channel{
  position:relative;padding:8px 14px;font-size:14px;color:var(--text-2);
  border-radius:var(--r-s);white-space:nowrap;transition:color .2s,background .2s;
}
.channel:hover{color:var(--text);background:rgba(255,255,255,.04)}
.channel.is-active{color:var(--primary);font-weight:600}
.channel.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-7px;
  height:2px;border-radius:2px;background:var(--primary);
}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;padding:76px 0 68px;border-bottom:1px solid var(--border)}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.22;
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(620px 400px at 12% 6%,rgba(34,211,197,.16),transparent 70%),
    radial-gradient(520px 360px at 88% 0%,rgba(124,108,255,.14),transparent 70%),
    linear-gradient(180deg,rgba(6,10,18,.55) 0%,var(--bg) 94%);
}
.page-hero > .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;color:var(--primary);
  padding:5px 12px;border-radius:var(--r-pill);
  border:1px solid rgba(34,211,197,.3);background:rgba(34,211,197,.08);
}
.hero-title{
  margin-top:20px;font-size:clamp(32px,4.4vw,52px);line-height:1.14;
  font-weight:700;letter-spacing:-.01em;
}
.hero-lead{margin-top:18px;font-size:17px;line-height:1.85;color:var(--text-2);max-width:54ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:26px;font-size:13px;color:var(--text-3)}
.hero-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--text-3);display:inline-block}
.hero-figure{
  border-radius:var(--r-l);overflow:hidden;position:relative;
  border:1px solid var(--border);box-shadow:var(--shadow-m);background:var(--bg-2);
}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-figure::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(34,211,197,.14) 0%,transparent 26%);
}

/* ---------- 索引锚点条 ---------- */
.anchor-bar{
  position:sticky;top:var(--header-h);z-index:40;
  background:rgba(6,10,18,.94);border-bottom:1px solid var(--border);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
}
.anchor-inner{display:flex;gap:8px;overflow-x:auto;padding:12px 0;scrollbar-width:none;-ms-overflow-style:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor{
  flex:0 0 auto;padding:7px 14px;border-radius:var(--r-pill);
  border:1px solid var(--border);font-size:13px;color:var(--text-2);
  white-space:nowrap;transition:color .2s,border-color .2s,background .2s;
}
.anchor:hover{color:var(--text);border-color:var(--border-strong);background:rgba(255,255,255,.04)}
.anchor.is-current{background:var(--primary);border-color:var(--primary);color:#04120F;font-weight:600}

/* ---------- 板块 ---------- */
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.head-group{display:flex;gap:14px}
.head-bar{flex:0 0 auto;width:4px;height:20px;margin-top:9px;border-radius:2px;background:var(--primary)}
.head-text h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;font-weight:700;letter-spacing:-.01em}
.head-text p{margin-top:10px;font-size:14px;color:var(--text-2);max-width:58ch}

.prose p{margin-bottom:20px;font-size:16px;line-height:1.85;color:var(--text-2)}
.prose p:last-child{margin-bottom:0}
.prose strong{color:var(--text);font-weight:600}

.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:36px}
.stat{
  background:var(--bg-2);border:1px solid var(--border);border-radius:var(--r-m);
  padding:24px;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.stat:hover{transform:translateY(-3px);border-color:rgba(34,211,197,.32);box-shadow:var(--shadow-m)}
.stat-num{font-family:var(--font-mono);font-size:28px;font-weight:700;letter-spacing:-.02em;color:var(--primary);line-height:1.2}
.stat-label{margin-top:6px;font-size:14px;color:var(--text-2)}

/* ---------- 图文交错 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split + .split{margin-top:72px}
.split .figure{order:1}
.split .copy{order:2}
.split.flip .figure{order:2}
.split.flip .copy{order:1}
.figure{
  border-radius:var(--r-m);overflow:hidden;background:var(--bg-2);
  border:1px solid var(--border);box-shadow:var(--shadow-m);position:relative;
}
.figure img{width:100%;aspect-ratio:16/11;object-fit:cover}
.step-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.06em;color:var(--amber);
  padding:5px 12px;border-radius:var(--r-pill);
  border:1px solid rgba(245,165,36,.32);background:rgba(245,165,36,.1);
}
.copy h3{margin-top:16px;font-size:22px;line-height:1.45;font-weight:600}
.copy .lead{margin-top:12px;font-size:15px;line-height:1.85;color:var(--text-2)}
.points{list-style:none;margin-top:22px;display:grid;gap:14px}
.points li{position:relative;padding-left:22px;font-size:15px;line-height:1.75;color:var(--text-2)}
.points li::before{
  content:"";position:absolute;left:2px;top:9px;width:7px;height:7px;
  background:var(--amber);transform:rotate(45deg);border-radius:1px;
}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:34px;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:7px;top:10px;bottom:14px;width:1px;
  background:linear-gradient(180deg,rgba(34,211,197,.6),rgba(34,211,197,.05));
}
.tl-item{position:relative;padding-bottom:34px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-34px;top:5px;width:15px;height:15px;
  border-radius:50%;border:2px solid var(--primary);background:var(--bg);
  box-shadow:0 0 0 4px rgba(34,211,197,.1);
}
.tl-day{font-family:var(--font-mono);font-size:13px;color:var(--primary);letter-spacing:.02em}
.tl-title{margin:6px 0;font-size:17px;font-weight:600;color:var(--text)}
.tl-desc{font-size:15px;color:var(--text-2);line-height:1.75}

/* ---------- 两列对照 ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-card{
  background:var(--bg-2);border:1px solid var(--border);border-radius:var(--r-m);
  padding:30px;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.compare-card:hover{transform:translateY(-3px);border-color:rgba(34,211,197,.32);box-shadow:var(--shadow-m)}
.compare-card h3{font-size:19px;font-weight:600;line-height:1.45}
.compare-tag{display:inline-block;font-size:12px;padding:4px 10px;border-radius:var(--r-pill);margin-bottom:14px}
.tag-teal{color:var(--primary);background:rgba(34,211,197,.12);border:1px solid rgba(34,211,197,.3)}
.tag-amber{color:var(--amber);background:rgba(245,165,36,.12);border:1px solid rgba(245,165,36,.3)}
.compare-card ul{list-style:none;margin-top:16px;display:grid;gap:12px}
.compare-card li{position:relative;padding-left:18px;font-size:15px;line-height:1.7;color:var(--text-2)}
.compare-card li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--text-3)}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--border);margin-top:8px}
.faq-item{border-bottom:1px solid var(--border)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 0;text-align:left;font-size:16px;font-weight:600;color:var(--text);
  transition:color .2s ease;min-height:56px;
}
.faq-q:hover{color:var(--primary)}
.faq-icon{
  flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  border:1px solid var(--border-strong);display:grid;place-items:center;
  font-size:15px;line-height:1;color:var(--primary);
  transition:transform .25s ease,background .25s ease,border-color .25s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:rgba(34,211,197,.12);border-color:rgba(34,211,197,.4)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.is-open .faq-a{max-height:300px}
.faq-a p{padding-bottom:20px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:80ch}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;
  background:var(--glass);border:1px solid var(--border);border-radius:var(--r-l);
  padding:40px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.cta-panel::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(420px 220px at 8% 0%,rgba(34,211,197,.16),transparent 70%);
}
.cta-text{position:relative;z-index:1}
.cta-text h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.35}
.cta-text p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:54ch}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--border);padding:56px 0 28px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:baseline;gap:8px;margin-bottom:14px}
.footer-brand .fm{font-size:20px;font-weight:800;letter-spacing:-.02em;color:var(--text)}
.footer-brand .fs{font-size:12px;color:var(--text-2)}
.footer-about{font-size:13px;line-height:1.9;color:var(--text-3);max-width:34ch}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:14px}
.footer-links a,.footer-links span{display:block;font-size:13px;line-height:1.9;color:var(--text-2);transition:color .2s ease}
.footer-links a:hover{color:var(--primary)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:40px;padding-top:20px;border-top:1px solid var(--border);
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--header-h:112px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-lead{max-width:100%}
  .split{grid-template-columns:1fr;gap:32px}
  .split .figure,.split.flip .figure{order:1}
  .split .copy,.split.flip .copy{order:2}
  .section{padding:72px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .topbar-note{display:none}
  .topbar-inner{justify-content:flex-end}
  .brand-actions .text-link{display:none}
  .stat-grid{grid-template-columns:1fr}
  .compare-grid{grid-template-columns:1fr}
  .cta-panel{padding:28px;flex-direction:column;align-items:flex-start}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .hero-title{letter-spacing:-.005em}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .brand-row{height:60px}
  .logo-mark{font-size:20px}
  .hero-title{font-size:30px}
  .page-hero{padding:52px 0 48px}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding-bottom:96px}
  .anchor{font-size:12px;padding:6px 12px}
  .cta-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none !important;animation:none !important}
}

/* roulang page: category2 */
:root{
    --bg:#060A12;
    --bg-2:#0B1220;
    --bg-deep:#04070D;
    --glass:rgba(255,255,255,.045);
    --line:rgba(255,255,255,.09);
    --line-soft:rgba(255,255,255,.06);
    --text:#E7EEF7;
    --muted:#94A5BC;
    --faint:#5E6F88;
    --primary:#22D3C5;
    --primary-hover:#3EE6D8;
    --primary-press:#19B3A7;
    --amber:#F5A524;
    --violet:#7C6CFF;
    --r-sm:8px;
    --r-md:12px;
    --r-lg:18px;
    --sh-sm:0 2px 8px rgba(0,0,0,.28);
    --sh-md:0 12px 32px rgba(0,0,0,.4);
    --sh-glow:0 0 0 1px rgba(34,211,197,.35), 0 8px 28px rgba(34,211,197,.22);
    --container:1200px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg);
    color:var(--text);
    font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.8;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input{font:inherit;color:inherit;}
  button{background:none;border:0;cursor:pointer;}
  h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
  ul,ol{padding:0;list-style:none;}
  table{border-collapse:collapse;width:100%;}
  ::selection{background:rgba(34,211,197,.28);color:#fff;}
  :focus-visible{outline:2px solid var(--amber);outline-offset:2px;border-radius:4px;}

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

  /* ---------- 顶部信息条 ---------- */
  .topbar{background:rgba(255,255,255,.02);border-bottom:1px solid var(--line-soft);}
  .topbar-inner{height:36px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--faint);}
  .topbar-link{color:var(--primary);transition:color .2s ease,transform .2s ease;}
  .topbar-link:hover{color:var(--primary-hover);}

  /* ---------- 品牌行 ---------- */
  .site-header{position:sticky;top:0;z-index:60;background:rgba(6,10,18,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line-soft);transition:box-shadow .3s ease,background .3s ease;}
  .site-header.is-scrolled{box-shadow:var(--sh-sm);background:rgba(6,10,18,.94);border-bottom-color:var(--line);}
  .brand-row{height:72px;display:flex;align-items:center;gap:16px;position:relative;}
  .logo{display:flex;align-items:baseline;gap:6px;flex-shrink:0;}
  .logo-mark{font-size:22px;font-weight:800;letter-spacing:-.02em;color:#fff;line-height:1;}
  .logo-sub{font-size:12px;font-weight:500;color:var(--muted);line-height:1;}
  .brand-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
  .icon-btn{width:40px;height:40px;border-radius:999px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;color:var(--muted);transition:all .2s ease;}
  .icon-btn svg{width:18px;height:18px;}
  .icon-btn:hover{color:var(--primary);border-color:rgba(34,211,197,.5);background:rgba(34,211,197,.08);}
  .icon-btn:active{transform:scale(.96);}
  .text-link{font-size:14px;color:var(--muted);transition:color .2s ease;}
  .text-link:hover{color:var(--primary-hover);}

  .btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:12px 22px;border-radius:999px;font-size:15px;font-weight:600;line-height:1.2;min-height:44px;transition:all .2s ease;white-space:nowrap;}
  .btn-sm{padding:9px 18px;font-size:14px;min-height:40px;}
  .btn-primary{background:var(--primary);color:#04120F;box-shadow:var(--sh-glow);}
  .btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(34,211,197,.45),0 12px 32px rgba(34,211,197,.3);}
  .btn-primary:active{transform:translateY(0);background:var(--primary-press);box-shadow:none;}
  .btn-ghost{background:transparent;border:1px solid rgba(34,211,197,.4);color:var(--primary);}
  .btn-ghost:hover{background:rgba(34,211,197,.1);border-color:var(--primary-hover);color:var(--primary-hover);}
  .btn-ghost:active{background:rgba(34,211,197,.16);transform:translateY(0);}
  .btn-text{color:var(--primary);padding:8px 0;min-height:0;font-size:14px;}
  .btn-text .arrow{display:inline-block;transition:transform .2s ease;}
  .btn-text:hover .arrow{transform:translateX(2px);}

  .search-panel{display:none;position:absolute;top:calc(100% + 8px);right:24px;width:min(360px,calc(100vw - 48px));background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-md);padding:16px;box-shadow:var(--sh-md);gap:10px;flex-direction:column;z-index:80;}
  .search-panel.is-open{display:flex;}
  .search-panel label{font-size:13px;color:var(--muted);}
  .search-panel input{height:44px;width:100%;padding:0 14px;border-radius:var(--r-sm);background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text);font-size:14px;transition:all .2s ease;}
  .search-panel input::placeholder{color:var(--faint);}
  .search-panel input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px rgba(34,211,197,.25);}

  /* ---------- 频道行 ---------- */
  .channel-row{border-top:1px solid var(--line-soft);}
  .channel-inner{height:52px;display:flex;align-items:center;}
  .channels{display:flex;align-items:center;gap:8px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;width:100%;}
  .channels::-webkit-scrollbar{display:none;}
  .channel{position:relative;padding:8px 14px;font-size:14px;color:var(--muted);border-radius:var(--r-sm);white-space:nowrap;transition:color .2s ease,background .2s ease;}
  .channel:hover{color:var(--text);background:rgba(255,255,255,.04);}
  .channel.is-active{color:var(--primary);font-weight:600;}
  .channel.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:-2px;height:2px;border-radius:2px;background:var(--primary);}

  /* ---------- 页面 Hero ---------- */
  .page-hero{position:relative;padding:56px 0 52px;border-bottom:1px solid var(--line-soft);overflow:hidden;}
  .page-hero::before{
    content:"";position:absolute;inset:0;
    background-image:linear-gradient(180deg,rgba(6,10,18,.84),rgba(6,10,18,.96)),url("/assets/images/backpic/back-1.webp");
    background-size:cover;background-position:center;
    opacity:.9;z-index:0;
  }
  .page-hero::after{
    content:"";position:absolute;width:520px;height:520px;right:-160px;top:-260px;border-radius:50%;
    background:radial-gradient(circle,rgba(34,211,197,.18),transparent 68%);
    z-index:0;pointer-events:none;
  }
  .page-hero .container{position:relative;z-index:1;}
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--faint);margin-bottom:22px;flex-wrap:wrap;}
  .breadcrumb a{color:var(--faint);transition:color .2s ease;}
  .breadcrumb a:hover{color:var(--primary);}
  .breadcrumb .sep{color:rgba(255,255,255,.2);}
  .breadcrumb .current{color:var(--primary);}
  .hero-title-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:16px;}
  .page-hero h1{font-size:clamp(30px,4.2vw,52px);line-height:1.15;font-weight:700;letter-spacing:-.01em;color:#fff;}
  .count-badge{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:600;color:var(--primary);border:1px solid rgba(34,211,197,.4);background:rgba(34,211,197,.1);white-space:nowrap;}
  .hero-lead{max-width:760px;font-size:16px;line-height:1.85;color:var(--muted);}
  .hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:28px;}
  .hero-stats{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:28px;font-size:13px;color:var(--faint);}
  .hero-stats span{display:inline-flex;align-items:center;gap:8px;}
  .hero-stats .dot{width:5px;height:5px;border-radius:50%;background:var(--primary);opacity:.8;}
  .hero-stats b{color:var(--text);font-family:ui-monospace,"DIN Alternate",monospace;font-weight:600;}

  /* ---------- 文档型布局 ---------- */
  .doc-section{padding:64px 0 72px;}
  .doc-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:40px;align-items:start;}

  .doc-toc{position:sticky;top:96px;}
  .toc-head{display:flex;align-items:center;justify-content:space-between;gap:10px;}
  .toc-title{font-size:13px;letter-spacing:.06em;color:var(--faint);font-weight:600;}
  .toc-toggle{display:none;align-items:center;gap:6px;font-size:13px;color:var(--primary);border:1px solid rgba(34,211,197,.35);border-radius:999px;padding:6px 12px;transition:all .2s ease;}
  .toc-toggle:hover{background:rgba(34,211,197,.1);}
  .toc-list{margin-top:14px;display:flex;flex-direction:column;gap:2px;border-left:1px solid var(--line);}
  .toc-link{display:block;padding:8px 0 8px 14px;font-size:14px;color:var(--muted);border-left:2px solid transparent;margin-left:-1px;transition:all .2s ease;}
  .toc-link:hover{color:var(--text);border-left-color:rgba(34,211,197,.5);}
  .toc-link.is-current{color:var(--primary);font-weight:600;border-left-color:var(--primary);}
  .toc-note{margin-top:20px;padding:14px 16px;border:1px solid var(--line);border-radius:var(--r-md);background:var(--bg-2);font-size:13px;line-height:1.7;color:var(--faint);}
  .toc-note strong{display:block;color:var(--text);font-size:13px;margin-bottom:4px;font-weight:600;}

  .doc-main{min-width:0;display:flex;flex-direction:column;gap:20px;}
  .doc-block{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-md);padding:28px;scroll-margin-top:110px;transition:border-color .25s ease;}
  .doc-block:hover{border-color:rgba(255,255,255,.16);}
  .doc-block h2{font-size:clamp(20px,2.2vw,26px);line-height:1.35;font-weight:700;letter-spacing:-.01em;display:flex;align-items:center;gap:12px;margin-bottom:14px;}
  .doc-block h2::before{content:"";width:4px;height:20px;border-radius:2px;background:var(--primary);flex-shrink:0;}
  .doc-block h3{font-size:18px;font-weight:600;margin:24px 0 8px;}
  .doc-block p{font-size:15.5px;line-height:1.85;color:var(--muted);margin-bottom:12px;}
  .doc-block p:last-child{margin-bottom:0;}
  .doc-block p strong{color:var(--text);font-weight:600;}

  .mini-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
  .tag{display:inline-flex;align-items:center;height:26px;padding:0 11px;font-size:12px;border-radius:999px;border:1px solid var(--line);color:var(--muted);background:rgba(255,255,255,.03);transition:all .2s ease;}
  .tag:hover{color:var(--primary);border-color:rgba(34,211,197,.45);background:rgba(34,211,197,.08);}

  /* ---------- 规格对照表 ---------- */
  .spec-wrap{margin-top:18px;border:1px solid var(--line);border-radius:var(--r-sm);overflow:hidden;}
  .spec-table{font-size:14px;}
  .spec-table caption{caption-side:top;text-align:left;font-size:13px;color:var(--faint);padding:0 0 10px;}
  .spec-table th,.spec-table td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--line-soft);vertical-align:top;}
  .spec-table thead th{background:rgba(255,255,255,.035);color:var(--muted);font-size:13px;font-weight:600;letter-spacing:.02em;}
  .spec-table tbody tr{transition:background .2s ease;}
  .spec-table tbody tr:hover{background:rgba(34,211,197,.06);}
  .spec-table tbody tr:last-child td{border-bottom:0;}
  .spec-table td:first-child{color:var(--text);font-weight:500;}
  .spec-table td code{font-family:ui-monospace,"DIN Alternate",monospace;font-size:13px;color:var(--primary);background:rgba(34,211,197,.1);padding:1px 6px;border-radius:4px;}

  /* ---------- 问答对 ---------- */
  .qa-list{margin-top:16px;border-top:1px solid var(--line-soft);}
  .qa-item{border-bottom:1px solid var(--line-soft);}
  .qa-item summary{display:flex;align-items:flex-start;gap:12px;padding:16px 0;font-size:15.5px;font-weight:500;color:var(--text);cursor:pointer;list-style:none;transition:color .2s ease;}
  .qa-item summary::-webkit-details-marker{display:none;}
  .qa-item summary:hover{color:var(--primary-hover);}
  .qa-item summary .qa-mark{flex-shrink:0;width:20px;height:20px;border-radius:50%;border:1px solid rgba(34,211,197,.45);color:var(--primary);font-size:12px;line-height:18px;text-align:center;font-family:ui-monospace,monospace;margin-top:3px;}
  .qa-item .qa-body{padding:0 0 18px 32px;font-size:14.5px;line-height:1.8;color:var(--muted);}

  /* ---------- 双列对照 ---------- */
  .duo-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:18px;}
  .duo-card{border:1px solid var(--line);border-radius:var(--r-sm);padding:18px 20px;background:rgba(255,255,255,.025);transition:all .25s ease;}
  .duo-card:hover{border-color:rgba(34,211,197,.36);transform:translateY(-3px);}
  .duo-card h4{font-size:15px;font-weight:600;margin-bottom:8px;display:flex;align-items:center;gap:8px;}
  .duo-card h4 .k{font-family:ui-monospace,monospace;font-size:12px;color:var(--amber);}
  .duo-card p{font-size:14px;line-height:1.75;color:var(--muted);margin:0;}

  /* ---------- 资料卡 ---------- */
  .resource-section{padding:0 0 72px;}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:28px;}
  .section-title-group{display:flex;align-items:flex-start;gap:12px;}
  .section-title-group::before{content:"";width:4px;height:20px;border-radius:2px;background:var(--primary);margin-top:8px;flex-shrink:0;}
  .section-title-group h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700;letter-spacing:-.01em;}
  .section-title-group .desc{font-size:14px;color:var(--faint);margin-top:6px;}
  .res-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .res-card{display:flex;gap:18px;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-md);padding:18px;transition:all .25s ease;}
  .res-card:hover{transform:translateY(-4px);border-color:rgba(34,211,197,.32);box-shadow:var(--sh-md);}
  .res-thumb{width:132px;flex-shrink:0;border-radius:var(--r-sm);overflow:hidden;background:rgba(255,255,255,.04);border:1px solid var(--line-soft);aspect-ratio:4/3;}
  .res-thumb img{width:100%;height:100%;object-fit:cover;}
  .res-body{min-width:0;display:flex;flex-direction:column;gap:8px;}
  .res-body h3{font-size:17px;font-weight:600;line-height:1.45;}
  .res-body p{font-size:14px;line-height:1.7;color:var(--muted);margin:0;}
  .res-body .btn{align-self:flex-start;margin-top:2px;}
  .badge{display:inline-flex;align-items:center;align-self:flex-start;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;color:var(--amber);border:1px solid rgba(245,165,36,.4);background:rgba(245,165,36,.1);}

  /* ---------- 底部 CTA ---------- */
  .cta-section{padding:0 0 80px;}
  .cta-panel{
    display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
    padding:36px 40px;border-radius:var(--r-lg);
    background:
      radial-gradient(600px 220px at 12% 0%,rgba(34,211,197,.18),transparent 70%),
      radial-gradient(420px 200px at 92% 100%,rgba(124,108,255,.14),transparent 72%),
      rgba(255,255,255,.045);
    border:1px solid rgba(255,255,255,.08);
    box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--sh-md);
    backdrop-filter:blur(12px);
  }
  .cta-panel h2{font-size:clamp(20px,2.4vw,26px);font-weight:700;line-height:1.35;}
  .cta-panel p{font-size:14.5px;color:var(--muted);margin-top:8px;max-width:520px;}

  /* ---------- 页脚 ---------- */
  .site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:56px 0 28px;}
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
  .footer-brand{display:flex;align-items:baseline;gap:6px;margin-bottom:14px;}
  .footer-brand .fm{font-size:20px;font-weight:800;letter-spacing:-.02em;color:#fff;}
  .footer-brand .fs{font-size:12px;color:var(--muted);}
  .footer-about{font-size:13.5px;line-height:1.85;color:var(--faint);max-width:320px;}
  .footer-col h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:14px;}
  .footer-links{display:flex;flex-direction:column;gap:2px;font-size:13px;line-height:1.9;color:var(--faint);}
  .footer-links a{color:var(--faint);transition:color .2s ease,transform .2s ease;display:inline-block;}
  .footer-links a:hover{color:var(--primary);transform:translateX(2px);}
  .footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-top:40px;padding-top:20px;border-top:1px solid var(--line-soft);font-size:13px;color:var(--faint);}

  .to-top{position:fixed;right:20px;bottom:24px;width:44px;height:44px;border-radius:999px;border:1px solid var(--line);background:rgba(11,18,32,.9);backdrop-filter:blur(10px);color:var(--muted);display:inline-flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transform:translateY(8px);transition:all .25s ease;z-index:70;}
  .to-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0);}
  .to-top:hover{color:var(--primary);border-color:rgba(34,211,197,.5);}
  .to-top svg{width:18px;height:18px;}

  /* ---------- 响应式 ---------- */
  @media (max-width:1023px){
    .doc-layout{grid-template-columns:minmax(0,1fr);gap:24px;}
    .doc-toc{position:static;border:1px solid var(--line);border-radius:var(--r-md);padding:16px 18px;background:var(--bg-2);}
    .toc-toggle{display:inline-flex;}
    .toc-list{display:none;margin-top:14px;border-left:0;gap:0;}
    .doc-toc.is-open .toc-list{display:flex;}
    .toc-link{border-left:0;border-bottom:1px solid var(--line-soft);padding:12px 2px;margin-left:0;}
    .toc-link.is-current{border-left:0;color:var(--primary);}
    .toc-note{margin-top:14px;}
    .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  }
  @media (max-width:768px){
    .container{padding:0 16px;}
    .brand-row{height:60px;gap:10px;}
    .brand-actions .text-link{display:none;}
    .search-panel{right:16px;}
    .page-hero{padding:40px 0 36px;}
    .doc-section{padding:44px 0 52px;}
    .doc-block{padding:20px;}
    .duo-grid{grid-template-columns:minmax(0,1fr);}
    .res-grid{grid-template-columns:minmax(0,1fr);}
    .res-card{flex-direction:row;gap:14px;}
    .res-thumb{width:104px;}
    .cta-panel{padding:26px 20px;}
    .resource-section{padding-bottom:52px;}
    .cta-section{padding-bottom:56px;}
    .footer-grid{grid-template-columns:minmax(0,1fr);gap:24px;}
  }
  @media (max-width:520px){
    .topbar-note{display:none;}
    .topbar-inner{justify-content:flex-end;}
    .hero-actions{gap:10px;}
    .hero-actions .btn{width:100%;}
    .res-card{flex-direction:column;}
    .res-thumb{width:100%;aspect-ratio:16/9;}
    .spec-table th,.spec-table td{padding:10px 12px;font-size:13px;}
  }
  @media (prefers-reduced-motion:reduce){
    *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
  }