/* roulang page: index */
:root{
  --primary:#14E3C0;
  --secondary:#6D5AE6;
  --accent:#FFB43D;
  --bg:#0A0B14;
  --bg2:#111426;
  --text:#F2F4FA;
  --muted:#A7AEC6;
  --dim:#6E7690;
  --line:rgba(255,255,255,.06);
  --line2:rgba(255,255,255,.14);
  --radius:16px;
  --radius-lg:20px;
  --shadow:0 20px 40px -24px rgba(0,0,0,.85);
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);font-family:var(--font);
  font-size:16px;line-height:1.75;font-weight:400;overflow-x:hidden;
  padding-bottom:64px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease-out,border-color .2s ease-out,background-color .2s ease-out}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:8px}
::selection{background:rgba(20,227,192,.28);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#0A0B14}
::-webkit-scrollbar-thumb{background:#232840;border-radius:20px;border:2px solid #0A0B14}
::-webkit-scrollbar-thumb:hover{background:#2f3654}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media(min-width:640px){.container{padding:0 24px}}
@media(min-width:1024px){.container{padding:0 32px}}

.skip{position:absolute;left:-9999px;top:0;background:var(--primary);color:#06121a;padding:10px 18px;border-radius:0 0 12px 0;z-index:200;font-weight:600}
.skip:focus{left:0}

/* ---------- Dock 导航 ---------- */
.dock-wrap{position:fixed;top:16px;left:0;right:0;z-index:80;padding:0 12px;pointer-events:none}
.dock{
  pointer-events:auto;max-width:1140px;margin:0 auto;display:flex;align-items:center;gap:14px;
  padding:10px 12px 10px 16px;border-radius:999px;
  background:rgba(10,11,20,.72);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.1);
  transition:background .25s ease-out,box-shadow .25s ease-out,padding .25s ease-out;
}
.dock-wrap.scrolled .dock{
  background:rgba(10,11,20,.93);
  box-shadow:0 18px 40px -24px rgba(0,0,0,.9);
  padding-top:6px;padding-bottom:6px;
}
.dock-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;flex:0 0 auto;
  background:linear-gradient(135deg,var(--primary),var(--secondary));color:#06121a;
  box-shadow:0 8px 20px -10px rgba(20,227,192,.85);
}
.logo-text{font-weight:800;font-size:16px;letter-spacing:-.01em;white-space:nowrap;line-height:1}
.logo-text em{font-style:normal;color:var(--primary)}
.dock-nav{display:none;align-items:center;gap:4px;margin:0 auto}
@media(min-width:1024px){.dock-nav{display:flex}}
.nav-link{position:relative;padding:9px 15px;font-size:14.5px;color:var(--muted);border-radius:999px;white-space:nowrap}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--primary);
}
.dock-actions{display:flex;align-items:center;gap:8px;margin-left:auto;flex:0 0 auto}
.icon-btn{
  width:40px;height:40px;border-radius:999px;display:grid;place-items:center;
  color:var(--muted);border:1px solid transparent;transition:all .2s ease-out;flex:0 0 auto;
}
.icon-btn:hover{color:var(--primary);border-color:rgba(20,227,192,.35);background:rgba(20,227,192,.08)}
.dock-cta{display:none}
@media(min-width:768px){.dock-cta{display:inline-flex}}
.menu-btn{
  width:42px;height:42px;border-radius:999px;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.14);color:var(--text);flex:0 0 auto;
}
.menu-btn:hover{border-color:var(--primary);color:var(--primary)}
@media(min-width:1024px){.menu-btn{display:none}}
.drawer{
  pointer-events:auto;max-width:1140px;margin:10px auto 0;border-radius:24px;
  background:rgba(10,11,20,.97);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.1);padding:8px 8px 16px;display:none;
}
.drawer.open{display:block;animation:dropIn .22s ease-out}
@keyframes dropIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 14px;font-size:19px;font-weight:600;color:var(--text);
  border-bottom:1px solid var(--line);min-height:56px;
}
.drawer-link:last-of-type{border-bottom:0}
.drawer-link.active{color:var(--primary)}
.drawer-link span{color:var(--dim);font-size:15px}
.drawer-cta{margin:14px 14px 0;width:calc(100% - 28px)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;font-size:15px;border-radius:999px;padding:13px 26px;
  min-height:46px;white-space:nowrap;line-height:1.2;
  transition:transform .2s ease-out,filter .2s ease-out,box-shadow .2s ease-out,
             border-color .2s ease-out,color .2s ease-out,background-color .2s ease-out;
}
.btn-primary{
  background:linear-gradient(135deg,#14E3C0 0%,#6D5AE6 100%);color:#05101a;
  box-shadow:0 12px 26px -16px rgba(20,227,192,.85);
}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 0 1px rgba(20,227,192,.5),0 18px 34px -14px rgba(20,227,192,.6)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.18);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);background:rgba(20,227,192,.06)}
.btn-ghost:active{transform:scale(.98)}
.btn-sm{padding:10px 18px;font-size:14px;min-height:40px}
.btn-block{width:100%}
.arrow{display:inline-block;transition:transform .2s ease-out}
.btn:hover .arrow,.link-cta:hover .arrow{transform:translateX(4px)}
.link-cta{
  display:inline-flex;align-items:center;gap:7px;color:var(--primary);
  font-weight:600;font-size:15px;min-height:44px;
}
.link-cta:hover{color:var(--accent)}
.link-cta:hover .arrow{transform:translateX(4px)}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0}
@media(min-width:768px){.section{padding:88px 0}}
@media(min-width:1024px){.section{padding:112px 0}}
.section-alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{margin-bottom:36px}
@media(min-width:768px){.section-head{margin-bottom:52px}}
.section-head.row{
  display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;justify-content:space-between;
}
.eyebrow{
  display:inline-block;font-size:13px;letter-spacing:.08em;color:var(--primary);
  font-weight:600;margin-bottom:12px;
}
h1{font-size:clamp(30px,5vw,56px);line-height:1.2;font-weight:800;letter-spacing:-.01em}
h2{font-size:clamp(24px,3.4vw,36px);line-height:1.25;font-weight:800;letter-spacing:-.01em}
h3{font-size:19px;line-height:1.4;font-weight:700;letter-spacing:-.005em}
.lead-text{color:var(--muted);font-size:16px;max-width:640px;margin-top:14px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;display:flex;align-items:center;padding:132px 0 72px;min-height:86vh}
@media(min-width:768px){.hero{padding:150px 0 96px}}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hero-shade{
  position:absolute;inset:0;z-index:1;
  background:
    radial-gradient(58% 58% at 84% 10%,rgba(20,227,192,.16),transparent 72%),
    radial-gradient(48% 52% at 12% 88%,rgba(109,90,230,.18),transparent 74%),
    linear-gradient(180deg,rgba(10,11,20,.90) 0%,rgba(10,11,20,.62) 44%,rgba(10,11,20,.94) 100%);
}
.hero-scan{
  position:absolute;inset:0;z-index:1;opacity:.05;pointer-events:none;
  background-image:repeating-linear-gradient(0deg,rgba(255,255,255,.9) 0 1px,transparent 1px 4px);
}
.hero-grid{position:relative;z-index:2;display:grid;gap:44px;align-items:center}
@media(min-width:1024px){.hero-grid{grid-template-columns:1.05fr .95fr;gap:64px}}
.badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;
  background:rgba(20,227,192,.12);border:1px solid rgba(20,227,192,.3);
  color:var(--primary);font-size:13.5px;font-weight:600;margin-bottom:22px;
}
.badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(20,227,192,.18)}
.hero h1{max-width:16em}
.hero-sub{color:var(--muted);font-size:clamp(16px,1.7vw,19px);line-height:1.7;margin-top:20px;max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line)}
.hero-stats li{display:flex;flex-direction:column;gap:2px;min-width:88px}
.stat-num{
  font-size:26px;font-weight:800;color:var(--text);
  font-variant-numeric:tabular-nums;font-feature-settings:"tnum";
  letter-spacing:-.02em;line-height:1.1;
}
.stat-num::after{content:"";display:block;width:22px;height:2px;margin-top:7px;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--secondary))}
.stat-lbl{font-size:13.5px;color:var(--dim)}
.hero-visual{position:relative}
.hero-card{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid rgba(255,255,255,.12);background:var(--bg2);
  box-shadow:0 30px 60px -34px rgba(0,0,0,.95);
}
.hero-card img{width:100%;height:300px;object-fit:cover}
@media(min-width:768px){.hero-card img{height:380px}}
.hero-card-tag{
  position:absolute;left:16px;bottom:16px;padding:8px 16px;border-radius:999px;
  background:rgba(10,11,20,.78);border:1px solid rgba(255,255,255,.16);
  font-size:13.5px;color:var(--text);backdrop-filter:blur(8px);
}
.float-chip{
  position:absolute;padding:8px 15px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(17,20,38,.94);border:1px solid rgba(20,227,192,.34);color:var(--primary);
  box-shadow:var(--shadow);
}
.chip-1{top:20px;right:-6px}
.chip-2{bottom:64px;left:-10px;border-color:rgba(255,180,61,.36);color:var(--accent)}
@media(max-width:640px){.float-chip{display:none}}

/* ---------- 卖点错落竖列 ---------- */
.point-list{display:flex;flex-direction:column}
.point{
  display:grid;grid-template-columns:56px 1fr;gap:18px;
  padding:28px 0;border-top:1px solid var(--line);
  transition:background-color .2s ease-out,padding-left .2s ease-out;
}
.point:hover{background:rgba(255,255,255,.02);padding-left:10px}
@media(min-width:768px){.point{grid-template-columns:88px 1fr;gap:28px;padding:34px 0}}
@media(min-width:1024px){
  .point:nth-child(2){margin-left:6%}
  .point:nth-child(3){margin-left:12%}
}
.point-no{
  font-size:clamp(26px,3vw,34px);font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(20,227,192,.6);
  font-variant-numeric:tabular-nums;
}
.point:hover .point-no{-webkit-text-stroke:1px var(--primary)}
.point-body h3{margin-bottom:8px}
.point-body p{color:var(--muted);font-size:15.5px;line-height:1.8}

/* ---------- 场景交错 ---------- */
.scene{display:grid;gap:32px;align-items:center;padding:36px 0;border-top:1px solid var(--line)}
@media(min-width:1024px){
  .scene{grid-template-columns:1fr 1fr;gap:64px;padding:48px 0}
  .scene.reverse .scene-copy{order:2}
  .scene.reverse .scene-media{order:1}
}
.scene-media{
  border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid rgba(255,255,255,.1);background:var(--bg2);box-shadow:var(--shadow);
}
.scene-media img{width:100%;height:260px;object-fit:cover;transition:transform .35s ease-out}
@media(min-width:768px){.scene-media img{height:340px}}
.scene-media:hover img{transform:scale(1.03)}
.tag{
  display:inline-block;font-size:13px;font-weight:600;color:var(--primary);
  background:rgba(20,227,192,.12);border:1px solid rgba(20,227,192,.3);
  padding:5px 13px;border-radius:999px;margin-bottom:16px;
}
.scene-copy h3{font-size:clamp(21px,2.4vw,27px);line-height:1.35;margin-bottom:18px}
.tick-list{display:flex;flex-direction:column;gap:11px;margin-bottom:24px}
.tick-list li{position:relative;padding-left:20px;color:var(--muted);font-size:15.5px;line-height:1.75}
.tick-list li::before{
  content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:2px;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
}

/* ---------- 最新信息 CMS ---------- */
.lead-card{
  display:grid;gap:0;border-radius:var(--radius-lg);overflow:hidden;
  background:var(--bg2);border:1px solid rgba(255,255,255,.09);box-shadow:var(--shadow);
  transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
@media(min-width:1024px){.lead-card{grid-template-columns:1.1fr 1fr}}
.lead-card:hover{border-color:rgba(20,227,192,.4);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(20,227,192,.2),var(--shadow)}
.lead-media{overflow:hidden}
.lead-media img{width:100%;height:230px;object-fit:cover;transition:transform .35s ease-out}
@media(min-width:768px){.lead-media img{height:300px}}
.lead-card:hover .lead-media img{transform:scale(1.03)}
.lead-body{padding:26px 22px;display:flex;flex-direction:column;gap:14px}
@media(min-width:768px){.lead-body{padding:34px 30px}}
.lead-body h3{font-size:clamp(19px,2.2vw,24px);line-height:1.4}
.lead-body p{color:var(--muted);font-size:15px;line-height:1.8}
.pill{
  display:inline-flex;align-items:center;padding:5px 13px;border-radius:999px;
  font-size:13px;font-weight:600;color:var(--primary);
  background:rgba(20,227,192,.12);border:1px solid rgba(20,227,192,.3);
  width:fit-content;
}
.meta{
  display:flex;align-items:center;gap:10px;color:var(--dim);font-size:13.5px;
  margin-top:auto;padding-top:8px;
  font-variant-numeric:tabular-nums;
}
.mini-list{border-top:1px solid var(--line);margin-top:28px}
.mini-row{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:17px 8px;border-bottom:1px solid var(--line);
  transition:background-color .2s ease-out,padding-left .2s ease-out;min-height:56px;
}
.mini-row:hover{background:rgba(255,255,255,.03);padding-left:16px}
.mini-title{
  font-size:15.5px;font-weight:600;color:var(--text);overflow:hidden;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;
}
.mini-row:hover .mini-title{color:var(--primary)}
.mini-date{color:var(--dim);font-size:13px;flex:0 0 auto;font-variant-numeric:tabular-nums}
.post-grid{display:grid;gap:20px;margin-top:32px}
@media(min-width:640px){.post-grid{grid-template-columns:repeat(2,1fr);gap:24px}}
@media(min-width:1024px){.post-grid{grid-template-columns:repeat(3,1fr);gap:28px}}
.post-card{
  display:flex;flex-direction:column;border-radius:var(--radius);overflow:hidden;
  background:var(--bg2);border:1px solid rgba(255,255,255,.09);
  transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.post-card:hover{border-color:rgba(20,227,192,.4);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(20,227,192,.2),var(--shadow)}
.post-cover{overflow:hidden;aspect-ratio:16/10}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.post-card:hover .post-cover img{transform:scale(1.03)}
.post-body{padding:20px;display:flex;flex-direction:column;gap:11px;flex:1}
.post-body h3{font-size:17px;line-height:1.45}
.clamp-2{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body p{color:var(--muted);font-size:14.5px;line-height:1.75}
.empty-state{
  min-height:220px;border:1px dashed rgba(255,255,255,.2);border-radius:var(--radius-lg);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  padding:36px 20px;text-align:center;margin-top:28px;
}
.empty-state svg{opacity:.55}
.empty-state p{color:var(--muted);font-size:15px}

/* ---------- 社会认同 ---------- */
.stat-row{
  display:grid;grid-template-columns:repeat(2,1fr);gap:0;
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--bg2);
}
@media(min-width:768px){.stat-row{grid-template-columns:repeat(4,1fr)}}
.stat{padding:24px 20px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat:last-child{border-right:0}
@media(min-width:768px){.stat{border-bottom:0}}
.quote-grid{display:grid;gap:20px;margin-top:32px}
@media(min-width:1024px){
  .quote-grid{grid-template-columns:1.35fr 1fr 1fr;gap:24px;align-items:start}
  .quote:nth-child(2){margin-top:28px}
  .quote:nth-child(3){margin-top:52px}
}
.quote{
  position:relative;background:var(--bg2);border:1px solid rgba(255,255,255,.09);
  border-radius:var(--radius);padding:26px 24px;
  transition:border-color .2s ease-out,transform .2s ease-out;
}
.quote:hover{border-color:rgba(20,227,192,.34);transform:translateY(-2px)}
.quote-mark{
  font-size:44px;line-height:1;font-weight:800;color:rgba(20,227,192,.32);
  font-family:Georgia,serif;margin-bottom:6px;
}
.quote-text{color:var(--text);font-size:15.5px;line-height:1.85}
.quote-who{
  margin-top:18px;padding-top:14px;border-top:1px solid var(--line);
  font-size:13.5px;color:var(--dim);
}
.quote-who strong{color:var(--muted);font-weight:600}

/* ---------- FAQ ---------- */
.faq-list{max-width:820px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);transition:padding-left .2s ease-out,border-color .2s ease-out}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;gap:16px;align-items:flex-start;
  padding:22px 4px;font-size:16.5px;font-weight:600;color:var(--text);
  transition:color .2s ease-out;min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"+";flex:0 0 auto;font-size:21px;line-height:1;color:var(--primary);
  transition:transform .25s ease-out;margin-top:3px;
}
.faq-item[open] summary::before{transform:rotate(45deg)}
.faq-item[open]{border-left:2px solid var(--primary);padding-left:16px}
.faq-item summary:hover{color:var(--primary)}
.faq-body{padding:0 4px 24px 37px;color:var(--muted);font-size:15px;line-height:1.85}
.faq-item[open] .faq-body{padding-left:53px}

/* ---------- 底部 CTA ---------- */
.cta-band{position:relative;overflow:hidden;padding:80px 0;text-align:center}
@media(min-width:768px){.cta-band{padding:104px 0}}
.cta-band .band-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.cta-band .band-shade{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(10,11,20,.88),rgba(10,11,20,.76) 50%,rgba(10,11,20,.94));
}
.cta-band .band-inner{position:relative;z-index:2;max-width:760px;margin:0 auto}
.cta-band h2{margin-bottom:18px}
.cta-band p{color:var(--muted);font-size:16px;line-height:1.8;margin-bottom:32px}

/* ---------- 页脚 ---------- */
.site-footer{background:#06070E;border-top:1px solid var(--line);padding:60px 0 24px}
.foot-grid{display:grid;gap:36px}
@media(min-width:640px){.foot-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px}}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-desc{color:var(--dim);font-size:14.5px;line-height:1.85;max-width:32em}
.foot-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:16px;letter-spacing:.02em}
.foot-links{display:flex;flex-direction:column;gap:12px}
.foot-links a{color:var(--dim);font-size:14.5px;min-height:30px;display:inline-flex;align-items:center}
.foot-links a:hover{color:var(--primary)}
.foot-contact li{color:var(--dim);font-size:14.5px;line-height:1.9}
.foot-contact li strong{display:block;color:var(--muted);font-weight:600;font-size:13px;margin-bottom:2px}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  color:var(--dim);font-size:13px;
}
.foot-bottom a{color:var(--dim)}
.foot-bottom a:hover{color:var(--primary)}

/* ---------- 底部固定转化条 ---------- */
.cta-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;min-height:64px;
  display:flex;align-items:center;gap:14px;
  padding:10px 16px;
  background:rgba(10,11,20,.86);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-top:1px solid rgba(255,255,255,.1);
  transition:transform .25s ease-out;
}
.cta-bar-text{font-size:14px;color:var(--muted);flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cta-bar-text strong{color:var(--text);font-weight:600}
.cta-bar-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.cta-bar-close{
  width:38px;height:38px;border-radius:999px;display:grid;place-items:center;
  color:var(--dim);border:1px solid rgba(255,255,255,.12);flex:0 0 auto;
}
.cta-bar-close:hover{color:var(--primary);border-color:rgba(20,227,192,.4)}
.cta-bar.is-closed{transform:translateY(120%);border-top-color:transparent}
.cta-mini{
  position:fixed;right:16px;bottom:16px;z-index:71;width:48px;height:48px;border-radius:999px;
  display:none;place-items:center;
  background:linear-gradient(135deg,#14E3C0,#6D5AE6);color:#05101a;
  box-shadow:0 14px 30px -12px rgba(20,227,192,.75);
}
.cta-mini.show{display:grid}
@media(max-width:640px){
  .cta-bar-text{font-size:13px}
  .cta-bar .btn{padding:10px 16px;font-size:13.5px;min-height:40px}
}

@media(prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: article */
:root{
  --primary:#14E3C0;
  --secondary:#6D5AE6;
  --accent:#FFB43D;
  --bg:#0A0B14;
  --bg-alt:#111426;
  --bg-deep:#07080F;
  --text:#F2F4FA;
  --text-2:#A7AEC6;
  --text-3:#6E7690;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.06);
  --radius-card:16px;
  --radius-img:20px;
  --radius-btn:12px;
  --shadow-card:0 20px 40px -24px rgba(0,0,0,.85);
  --font: "PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::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:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  padding-bottom:64px;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-0.01em;line-height:1.28;font-weight:700;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.container{max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px;}
@media(min-width:640px){.container{padding-left:24px;padding-right:24px;}}
@media(min-width:1024px){.container{padding-left:32px;padding-right:32px;}}
.tnum{font-variant-numeric:tabular-nums;}

/* ---------- Dock Nav ---------- */
.dock-wrap{position:fixed;top:16px;left:0;right:0;z-index:60;padding:0 16px;pointer-events:none;}
.dock{
  pointer-events:auto;
  max-width:1140px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  background:rgba(10,11,20,.72);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.10);
  border-radius:999px;
  padding:10px 14px 10px 18px;
  transition:all .25s ease-out;
}
.dock.shrink{padding:6px 12px 6px 16px;background:rgba(7,8,15,.88);box-shadow:0 18px 36px -22px rgba(0,0,0,.95);}
.dock-brand{display:flex;align-items:center;gap:9px;flex-shrink:0;}
.logo-mark{color:var(--primary);display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:10px;background:rgba(20,227,192,.12);border:1px solid rgba(20,227,192,.28);}
.logo-text{font-weight:800;font-size:17px;letter-spacing:-.01em;white-space:nowrap;}
.logo-text em{font-style:normal;color:var(--primary);}
.dock-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{position:relative;font-size:14px;color:var(--text-2);padding:8px 13px;border-radius:999px;transition:color .2s ease-out,background .2s ease-out;}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05);}
.nav-link.active{color:var(--primary);}
.nav-link.active::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:2px;width:16px;height:2px;border-radius:2px;background:var(--primary);}
.dock-cta{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:#04201B;background:linear-gradient(135deg,var(--primary),var(--secondary));border-radius:999px;padding:9px 18px;transition:filter .2s ease-out,box-shadow .2s ease-out,transform .15s ease-out;}
.dock-cta:hover{filter:brightness(1.08);box-shadow:0 0 0 4px rgba(20,227,192,.16);}
.dock-cta:active{transform:scale(.98);}
.dock-toggle{display:none;background:transparent;border:1px solid rgba(255,255,255,.16);color:var(--text);width:40px;height:40px;border-radius:999px;align-items:center;justify-content:center;cursor:pointer;}
.dock-mobile{display:none;}
@media(max-width:1023px){
  .dock-nav{display:none;}
  .dock-cta{display:none;}
  .dock-toggle{display:inline-flex;}
  .dock-mobile{display:block;position:fixed;inset:0;z-index:70;background:rgba(7,8,15,.97);padding:96px 24px 32px;transform:translateY(-8px);opacity:0;pointer-events:none;transition:opacity .2s ease-out,transform .2s ease-out;}
  .dock-mobile.open{opacity:1;transform:none;pointer-events:auto;}
  .dock-mobile a{display:block;font-size:20px;font-weight:600;padding:18px 4px;border-bottom:1px solid var(--line);color:var(--text);}
  .dock-mobile a.active{color:var(--primary);}
  .dock-mobile .m-cta{margin-top:26px;border-bottom:0;text-align:center;border-radius:999px;background:linear-gradient(135deg,var(--primary),var(--secondary));color:#04201B;font-weight:800;}
  .dock-mobile-close{position:absolute;top:26px;right:24px;background:transparent;border:1px solid rgba(255,255,255,.16);color:var(--text);width:44px;height:44px;border-radius:999px;font-size:18px;cursor:pointer;}
}
a:focus-visible,button:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:8px;}

/* ---------- Article ---------- */
.page-head{padding:132px 0 8px;}
.crumbs{margin-bottom:20px;}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);}
.crumbs li{display:flex;align-items:center;gap:8px;}
.crumbs a{color:var(--text-2);transition:color .2s ease-out;}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{color:var(--text-3);opacity:.6;}
.crumbs .current{color:var(--text-2);max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.head-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:18px;}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--primary);background:rgba(20,227,192,.12);border:1px solid rgba(20,227,192,.30);border-radius:999px;padding:4px 12px;}
.meta-time{font-size:13px;color:var(--text-3);}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);opacity:.6;}
.article-h1{font-size:clamp(26px,4vw,40px);line-height:1.3;font-weight:800;margin-bottom:22px;}
.article-lead{font-size:16px;color:var(--text-2);border-left:3px solid var(--primary);padding-left:16px;margin-top:8px;}

.article-body{max-width:780px;margin:0 auto;font-size:17.5px;line-height:1.9;color:#DDE1EE;padding-bottom:8px;}
.article-body p{margin:0 0 1.4em;}
.article-body h2{position:relative;font-size:26px;font-weight:700;color:var(--text);margin:2em 0 .8em;padding-left:18px;}
.article-body h2::before{content:"";position:absolute;left:0;top:.22em;width:5px;height:.85em;border-radius:3px;background:var(--primary);}
.article-body h3{font-size:20px;font-weight:700;color:var(--text);margin:1.6em 0 .6em;}
.article-body h4{font-size:17px;font-weight:700;color:var(--text-2);margin:1.4em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.4em;}
.article-body ul li{list-style:none;position:relative;padding-left:18px;margin-bottom:.5em;}
.article-body ul li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:2px;background:var(--primary);}
.article-body ol{list-style:decimal;}
.article-body ol li{margin-bottom:.5em;padding-left:4px;}
.article-body ol li::marker{color:var(--primary);font-weight:700;}
.article-body blockquote{margin:1.6em 0;padding:18px 22px;border-left:3px solid var(--primary);background:rgba(20,227,192,.06);border-radius:0 12px 12px 0;color:var(--text-2);font-style:normal;}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:16px;margin:1.8em 0;width:calc(100% + 20px);max-width:none;margin-left:-10px;}
.article-body figure{margin:1.8em 0;}
.article-body figure img{margin:0;width:100%;margin-left:0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:2px;transition:color .2s ease-out;}
.article-body a:hover{color:var(--accent);}
.article-body code{background:#06070D;border:1px solid var(--line);border-radius:8px;padding:2px 7px;font-size:.9em;color:#9FF3E4;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;}
.article-body pre{background:#06070D;border:1px solid var(--line);border-radius:14px;padding:18px 20px;overflow-x:auto;margin:1.6em 0;}
.article-body pre code{background:none;border:0;padding:0;font-size:14px;line-height:1.7;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.4em 0;}
.article-body table{width:100%;border-collapse:collapse;margin:1.8em 0;font-size:15px;border:1px solid var(--line);border-radius:12px;overflow:hidden;}
.article-body thead{background:rgba(20,227,192,.08);}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;}
.article-body th{font-weight:700;color:var(--text);}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.022);}
.article-body strong{color:var(--text);font-weight:700;}

.tail-tags{max-width:780px;margin:36px auto 0;display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.tail-tags span{font-size:13px;color:var(--text-3);margin-right:2px;}
.tail-links{max-width:780px;margin:18px auto 0;display:flex;flex-wrap:wrap;gap:20px;font-size:14px;}
.tail-links a{color:var(--text-2);display:inline-flex;align-items:center;gap:6px;transition:color .2s ease-out;}
.tail-links a:hover{color:var(--primary);}

/* ---------- Cards / related ---------- */
.section{padding:72px 0;}
.section-alt{background:var(--bg-alt);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px;}
.sec-head h2{font-size:clamp(24px,3.4vw,34px);font-weight:800;}
.sec-head .more{font-size:14px;color:var(--primary);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;transition:gap .2s ease-out;}
.sec-head .more:hover{gap:10px;}
.grid-3{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:768px){.grid-3{grid-template-columns:repeat(2,1fr);gap:24px;}}
@media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr);gap:28px;}}
.card{display:flex;flex-direction:column;background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;}
.section-alt .card{background:#0D1020;}
.card:hover{transform:translateY(-2px);border-color:rgba(20,227,192,.40);box-shadow:0 0 0 1px rgba(20,227,192,.20),var(--shadow-card);}
.card-cover{position:relative;overflow:hidden;aspect-ratio:16/10;background:#0B0D18;}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out;}
.card:hover .card-cover img{transform:scale(1.03);}
.card-inner{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card h3{font-size:18px;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card h3 a:hover{color:var(--primary);}
.card p{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--line-2);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);}
.card-foot .go{color:var(--primary);transition:transform .2s ease-out;}
.card:hover .card-foot .go{transform:translateX(4px);}

.empty-box{margin:0 auto;max-width:720px;min-height:220px;border:1px dashed rgba(255,255,255,.18);border-radius:var(--radius-card);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;padding:36px 24px;color:var(--text-2);}
.empty-box svg{color:var(--primary);opacity:.7;}
.empty-box p{font-size:15px;}

.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 28px;border-radius:999px;font-size:15px;font-weight:800;color:#04201B;background:linear-gradient(135deg,var(--primary),var(--secondary));border:0;cursor:pointer;transition:filter .2s ease-out,box-shadow .2s ease-out,transform .15s ease-out;}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 0 5px rgba(20,227,192,.16);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 26px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;color:var(--text);background:transparent;border:1px solid rgba(255,255,255,.18);cursor:pointer;transition:color .2s ease-out,border-color .2s ease-out,background .2s ease-out;}
.btn-ghost:hover{color:var(--primary);border-color:rgba(20,227,192,.6);background:rgba(20,227,192,.06);}
.btn-ghost:active{transform:scale(.98);}

.back-strip{margin-top:44px;display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:20px;}
.back-strip .link{font-size:14px;color:var(--text-2);display:inline-flex;align-items:center;gap:6px;transition:color .2s ease-out;}
.back-strip .link:hover{color:var(--primary);}

/* ---------- CTA band ---------- */
.cta-band{position:relative;overflow:hidden;border-top:1px solid var(--line-2);}
.cta-band .bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center;}
.cta-band .mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,8,15,.72),rgba(7,8,15,.92));}
.cta-band .inner{position:relative;z-index:2;padding:88px 0;text-align:center;}
.cta-band h2{font-size:clamp(24px,3.4vw,34px);margin-bottom:14px;}
.cta-band p{color:var(--text-2);max-width:560px;margin:0 auto 28px;font-size:15px;}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto;}
.faq details{border-bottom:1px solid var(--line);}
.faq summary{position:relative;list-style:none;cursor:pointer;padding:20px 44px 20px 18px;font-size:16px;font-weight:600;color:var(--text-2);transition:color .2s ease-out,background .2s ease-out;}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::before{content:"＋";position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--primary);font-size:16px;transition:transform .25s ease-out;}
.faq details[open] summary::before{transform:translateY(-50%) rotate(45deg);}
.faq details[open] summary{color:var(--text);}
.faq details[open] summary{box-shadow:inset 2px 0 0 var(--primary);}
.faq summary:hover{color:var(--text);background:rgba(255,255,255,.025);}
.faq .ans{padding:0 44px 22px 18px;font-size:15px;color:var(--text-2);line-height:1.85;}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0;}
.foot-grid{display:grid;grid-template-columns:1fr;gap:36px;}
@media(min-width:640px){.foot-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;}}
.foot-brand{display:flex;align-items:center;gap:9px;margin-bottom:16px;}
.foot-desc{font-size:14px;color:var(--text-3);line-height:1.85;max-width:340px;}
.foot-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:16px;letter-spacing:.02em;}
.foot-links{display:flex;flex-direction:column;gap:11px;}
.foot-links a{font-size:14px;color:var(--text-2);transition:color .2s ease-out;}
.foot-links a:hover{color:var(--primary);}
.foot-contact{display:flex;flex-direction:column;gap:11px;font-size:14px;color:var(--text-2);}
.foot-contact strong{color:var(--text-3);font-weight:600;margin-right:6px;}
.foot-bottom{margin-top:48px;padding-top:22px;border-top:1px solid var(--line-2);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--text-3);}
.foot-bottom a{color:var(--text-3);transition:color .2s ease-out;}
.foot-bottom a:hover{color:var(--primary);}

/* ---------- Sticky bar ---------- */
.sticky-bar{position:fixed;left:0;right:0;bottom:0;z-index:55;background:rgba(10,11,20,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid rgba(255,255,255,.10);}
.sticky-inner{max-width:1200px;margin:0 auto;padding:9px 16px;display:flex;align-items:center;gap:14px;}
.sticky-inner p{font-size:13px;color:var(--text-2);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.sticky-inner .btn-primary{min-height:40px;padding:0 20px;font-size:13px;}
.sticky-close{background:transparent;border:1px solid rgba(255,255,255,.14);color:var(--text-3);width:34px;height:34px;border-radius:999px;cursor:pointer;flex-shrink:0;transition:color .2s ease-out,border-color .2s ease-out;}
.sticky-close:hover{color:var(--text);border-color:rgba(255,255,255,.3);}
.sticky-mini{position:fixed;right:16px;bottom:16px;z-index:55;width:46px;height:46px;border-radius:999px;display:none;align-items:center;justify-content:center;background:rgba(10,11,20,.85);backdrop-filter:blur(12px);border:1px solid rgba(20,227,192,.35);color:var(--primary);cursor:pointer;}
.sticky-mini.show{display:inline-flex;}
@media(max-width:640px){.sticky-inner p{font-size:12.5px;} .sticky-inner .btn-primary{padding:0 15px;font-size:12.5px;}}

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

/* roulang page: category1 */
:root{
    --primary:#14E3C0;
    --primary-12:rgba(20,227,192,.12);
    --primary-20:rgba(20,227,192,.2);
    --primary-30:rgba(20,227,192,.3);
    --primary-40:rgba(20,227,192,.4);
    --secondary:#6D5AE6;
    --accent:#FFB43D;
    --bg:#0A0B14;
    --bg-alt:#111426;
    --bg-deep:#070810;
    --text:#F2F4FA;
    --text-2:#A7AEC6;
    --text-3:#6E7690;
    --line:rgba(255,255,255,.06);
    --line-strong:rgba(255,255,255,.12);
    --r-card:16px;
    --r-img:20px;
    --r-sm:12px;
    --r-pill:999px;
    --shadow-card:0 20px 40px -24px rgba(0,0,0,.85);
    --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  }

  *,*::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:var(--font);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    padding-bottom:92px;
    overflow-x:hidden;
  }
  body::before{
    content:"";
    position:fixed;
    top:-200px;
    right:-180px;
    width:520px;
    height:520px;
    border-radius:50%;
    background:radial-gradient(circle,rgba(20,227,192,.12),transparent 70%);
    pointer-events:none;
    z-index:0;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none;transition:color .2s ease-out,border-color .2s ease-out}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  ul,ol{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4,p,figure{margin:0}
  ::selection{background:var(--primary-30);color:#04120F}
  :focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:8px}

  ::-webkit-scrollbar{width:10px;height:10px}
  ::-webkit-scrollbar-track{background:#080910}
  ::-webkit-scrollbar-thumb{background:rgba(20,227,192,.25);border-radius:999px}
  ::-webkit-scrollbar-thumb:hover{background:rgba(20,227,192,.45)}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
  @media (min-width:640px){.container{padding:0 24px}}
  @media (min-width:1024px){.container{padding:0 32px}}

  .num{font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:.01em}

  /* ---------- Dock 导航 ---------- */
  .dock-wrap{position:fixed;top:16px;left:0;right:0;z-index:60;padding:0 14px;pointer-events:none}
  .dock-shell{
    pointer-events:auto;
    max-width:1140px;
    margin:0 auto;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px;
    padding:10px 12px 10px 18px;
    border-radius:var(--r-pill);
    border:1px solid var(--line-strong);
    background:rgba(10,11,20,.72);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    transition:padding .25s ease-out,background .25s ease-out,box-shadow .25s ease-out;
  }
  .dock-shell.is-scrolled{
    padding:7px 10px 7px 16px;
    background:rgba(7,8,16,.92);
    box-shadow:0 18px 40px -22px rgba(0,0,0,.95);
  }
  .dock-logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
  .logo-mark{
    display:inline-flex;align-items:center;justify-content:center;
    width:34px;height:34px;border-radius:11px;
    background:linear-gradient(135deg,rgba(20,227,192,.22),rgba(109,90,230,.28));
    border:1px solid var(--primary-30);
    color:var(--primary);
    flex:0 0 34px;
  }
  .logo-text{font-size:16.5px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
  .logo-text em{font-style:normal;color:var(--primary)}

  .dock-nav{display:flex;align-items:center;gap:6px}
  .nav-link{
    position:relative;
    display:inline-flex;align-items:center;
    min-height:44px;
    padding:0 14px;
    font-size:14.5px;
    font-weight:500;
    color:var(--text-2);
    border-radius:var(--r-pill);
  }
  .nav-link:hover{color:var(--text);background:rgba(255,255,255,.04)}
  .nav-link.active{color:var(--primary);font-weight:600}
  .nav-link.active::after{
    content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;
    border-radius:2px;background:var(--primary);
  }
  .dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
  .icon-btn{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:var(--r-pill);
    color:var(--text-2);border:1px solid transparent;
  }
  .icon-btn:hover{color:var(--primary);border-color:var(--primary-30);background:var(--primary-12)}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    min-height:44px;padding:0 22px;
    font-size:15px;font-weight:600;line-height:1;
    border:1px solid transparent;
    cursor:pointer;
    transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out,filter .2s ease-out;
  }
  .btn-sm{min-height:40px;padding:0 18px;font-size:14px}
  .btn-primary{
    border-radius:var(--r-pill);
    background:linear-gradient(135deg,var(--primary),var(--secondary));
    color:#06131A;
    box-shadow:0 12px 30px -16px rgba(20,227,192,.6);
  }
  .btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 0 1px rgba(20,227,192,.5),0 16px 34px -14px rgba(20,227,192,.55)}
  .btn-primary:active{transform:scale(.98)}
  .btn-outline{
    border-radius:var(--r-sm);
    border-color:var(--line-strong);
    color:var(--text);
    background:transparent;
  }
  .btn-outline:hover{border-color:var(--primary-40);color:var(--primary);background:var(--primary-12)}
  .btn-outline:active{transform:scale(.98)}
  .btn-text{
    min-height:44px;padding:0 4px;gap:6px;
    color:var(--primary);font-weight:600;border-radius:8px;
  }
  .btn-text span{transition:transform .2s ease-out;display:inline-block}
  .btn-text:hover span{transform:translateX(4px)}

  .menu-btn{display:none;width:44px;height:44px;border-radius:var(--r-pill);border:1px solid var(--line-strong);align-items:center;justify-content:center;color:var(--text)}

  .drawer{
    position:fixed;inset:0;z-index:70;
    background:rgba(7,8,16,.97);
    backdrop-filter:blur(10px);
    padding:96px 24px 32px;
    display:none;
    overflow-y:auto;
  }
  .drawer.open{display:block}
  .drawer-list{display:flex;flex-direction:column}
  .drawer-list a{
    display:flex;align-items:center;justify-content:space-between;
    padding:20px 4px;
    font-size:20px;font-weight:600;
    color:var(--text-2);
    border-bottom:1px solid var(--line);
    min-height:44px;
  }
  .drawer-list a:hover,.drawer-list a.active{color:var(--primary)}
  .drawer-foot{margin-top:28px;display:flex;flex-direction:column;gap:12px}
  .drawer-close{position:absolute;top:22px;right:20px;width:44px;height:44px;border-radius:var(--r-pill);border:1px solid var(--line-strong);color:var(--text);display:inline-flex;align-items:center;justify-content:center;font-size:20px}

  /* ---------- 主体 ---------- */
  main{position:relative;z-index:1}

  .page-hero{padding:118px 0 8px}
  @media (min-width:768px){.page-hero{padding:140px 0 0}}

  .breadcrumb{margin-bottom:22px}
  .breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
  .breadcrumb li{display:inline-flex;align-items:center;gap:8px}
  .breadcrumb li+li::before{content:"/";color:rgba(255,255,255,.18)}
  .breadcrumb a{color:var(--text-2)}
  .breadcrumb a:hover{color:var(--primary)}
  .breadcrumb [aria-current]{color:var(--text)}

  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;
    border-radius:var(--r-pill);
    border:1px solid var(--primary-30);
    background:var(--primary-12);
    color:var(--primary);
    font-size:13px;font-weight:500;
  }
  .page-hero h1{
    margin-top:20px;
    font-size:clamp(30px,5vw,52px);
    line-height:1.18;
    font-weight:800;
    letter-spacing:-.01em;
  }
  .page-hero .hero-sub{
    margin-top:16px;
    max-width:760px;
    font-size:16.5px;
    line-height:1.85;
    color:var(--text-2);
  }
  .hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:28px}
  .hero-stats{
    display:grid;
    grid-template-columns:1fr;
    gap:0;
    margin-top:36px;
    border-top:1px solid var(--line);
  }
  @media (min-width:640px){.hero-stats{grid-template-columns:repeat(3,1fr)}}
  .stat{padding:18px 0;border-bottom:1px solid var(--line)}
  @media (min-width:640px){
    .stat{border-bottom:0;border-right:1px solid var(--line);padding-right:22px}
    .stat:last-child{border-right:0}
  }
  .stat b{display:block;font-size:26px;color:var(--primary);line-height:1.2}
  .stat span{display:block;margin-top:4px;font-size:13.5px;color:var(--text-3)}

  .page-hero-media{
    position:relative;
    margin-top:38px;
    height:220px;
    border-radius:var(--r-img);
    overflow:hidden;
    border:1px solid var(--line);
  }
  @media (min-width:768px){.page-hero-media{height:260px}}
  .page-hero-media img{width:100%;height:100%;object-fit:cover}
  .page-hero-media::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(7,8,16,.62),rgba(7,8,16,.78));
  }
  .media-caption{
    position:absolute;left:20px;bottom:16px;z-index:2;
    font-size:13.5px;color:rgba(242,244,250,.82);
    letter-spacing:.02em;
  }

  /* ---------- 板块 ---------- */
  .section{position:relative;padding:56px 0;border-top:1px solid var(--line)}
  @media (min-width:768px){.section{padding:96px 0}}
  .section--alt{background:var(--bg-alt)}
  .section--deep{background:var(--bg-deep)}
  .section-head{max-width:760px;margin-bottom:38px}
  .section-head h2{
    margin-top:16px;
    font-size:clamp(24px,3.4vw,36px);
    line-height:1.26;
    font-weight:800;
    letter-spacing:-.01em;
  }
  .section-lead{margin-top:14px;color:var(--text-2);font-size:15.5px;line-height:1.85}

  /* 非对称索引栅格 */
  .index-grid{display:grid;gap:20px;grid-template-columns:1fr}
  @media (min-width:900px){
    .index-grid{grid-template-columns:1.35fr 1fr;grid-template-rows:auto auto;gap:22px}
    .index-main{grid-row:span 2}
  }
  .index-item{
    position:relative;
    padding:26px 24px 24px;
    border-top:1px solid var(--line-strong);
    border-radius:0 0 var(--r-card) var(--r-card);
    background:linear-gradient(180deg,rgba(255,255,255,.015),rgba(255,255,255,0));
    transition:background .2s ease-out,border-color .2s ease-out;
  }
  .index-item:hover{background:rgba(20,227,192,.045);border-top-color:var(--primary-40)}
  .index-item .idx{
    font-size:13px;font-weight:700;letter-spacing:.14em;
    color:var(--primary);font-variant-numeric:tabular-nums;
  }
  .index-item h3{margin-top:12px;font-size:19px;font-weight:700;line-height:1.4}
  .index-item p{margin-top:10px;color:var(--text-2);font-size:15px;line-height:1.85}
  .index-main{padding:32px 28px 30px}
  .index-main h3{font-size:22px}

  /* 交错图文 */
  .split{
    display:grid;
    gap:26px;
    align-items:center;
    grid-template-columns:1fr;
  }
  .split+.split{margin-top:64px}
  @media (min-width:900px){
    .split{grid-template-columns:1fr 1fr;gap:48px}
    .split--reverse .split-text{order:2}
    .split--reverse .split-media{order:1}
  }
  .split h2{
    margin-top:16px;
    font-size:clamp(22px,2.8vw,32px);
    line-height:1.3;font-weight:800;letter-spacing:-.01em;
  }
  .split p.lead{margin-top:14px;color:var(--text-2);font-size:15.5px;line-height:1.85}
  .tick-list{margin-top:20px;display:flex;flex-direction:column;gap:12px}
  .tick-list li{
    position:relative;
    padding-left:22px;
    color:var(--text-2);
    font-size:15.5px;
    line-height:1.8;
  }
  .tick-list li::before{
    content:"";position:absolute;left:0;top:11px;
    width:8px;height:8px;border-radius:2px;
    background:var(--primary);opacity:.85;
  }
  .split-cta{margin-top:22px}
  .split-media{
    position:relative;
    border-radius:var(--r-img);
    overflow:hidden;
    border:1px solid var(--line);
    box-shadow:var(--shadow-card);
    aspect-ratio:16/11;
  }
  .split-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out}
  .split-media:hover img{transform:scale(1.03)}
  .split-media::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(200deg,rgba(7,8,16,.08),rgba(7,8,16,.6));
  }

  /* 卡片网格 */
  .card-grid{display:grid;gap:20px;grid-template-columns:1fr}
  @media (min-width:640px){.card-grid{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,1fr)}.card-grid{gap:24px}}
  .card{
    display:flex;flex-direction:column;
    background:var(--bg-alt);
    border:1px solid var(--line);
    border-radius:var(--r-card);
    overflow:hidden;
    box-shadow:var(--shadow-card);
    transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
  }
  .card:hover{
    transform:translateY(-2px);
    border-color:var(--primary-40);
    box-shadow:0 0 0 1px var(--primary-20),var(--shadow-card);
  }
  .card-media{aspect-ratio:16/10;overflow:hidden;position:relative}
  .card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
  .card:hover .card-media img{transform:scale(1.03)}
  .card-body{padding:20px;display:flex;flex-direction:column;flex:1 1 auto}
  .tag{
    display:inline-flex;align-items:center;
    padding:4px 11px;
    border-radius:var(--r-pill);
    border:1px solid var(--primary-30);
    background:var(--primary-12);
    color:var(--primary);
    font-size:13px;line-height:1.6;
  }
  .card-body h3{margin-top:12px;font-size:18px;font-weight:700;line-height:1.45}
  .card-body p{margin-top:10px;color:var(--text-2);font-size:14.5px;line-height:1.8}
  .card-foot{
    margin-top:auto;padding-top:16px;
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    border-top:1px solid var(--line);
    font-size:13px;color:var(--text-3);
  }

  /* 编号清单 */
  .step-list{border-top:1px solid var(--line)}
  .step-item{
    display:flex;align-items:flex-start;gap:18px;
    padding:22px 14px;
    border-bottom:1px solid var(--line);
    transition:background .2s ease-out,padding-left .2s ease-out;
  }
  .step-item:hover{background:rgba(255,255,255,.03);padding-left:20px}
  .step-item .no{
    flex:0 0 44px;
    font-size:15px;font-weight:700;color:var(--primary);
    font-variant-numeric:tabular-nums;letter-spacing:.06em;
    line-height:1.9;
  }
  .step-item h3{font-size:17px;font-weight:700;line-height:1.5}
  .step-item p{margin-top:6px;color:var(--text-2);font-size:14.8px;line-height:1.8}

  /* FAQ */
  .faq-wrap{max-width:820px;margin:0 auto}
  .faq{border-top:1px solid var(--line)}
  .faq details{position:relative;border-bottom:1px solid var(--line);transition:background .2s ease-out}
  .faq details::before{
    content:"";position:absolute;left:0;top:0;bottom:0;width:2px;
    background:var(--primary);
    transform:scaleY(0);transform-origin:top;
    transition:transform .22s ease-out;
  }
  .faq details[open]::before{transform:scaleY(1)}
  .faq summary{
    list-style:none;cursor:pointer;
    display:flex;align-items:flex-start;gap:14px;
    padding:20px 16px 20px 18px;
    font-size:17px;font-weight:600;color:var(--text-2);
    transition:color .2s ease-out;
    min-height:44px;
  }
  .faq summary::-webkit-details-marker{display:none}
  .faq summary:hover{color:var(--text)}
  .faq details[open] summary{color:var(--text)}
  .faq-icon{
    flex:0 0 22px;width:22px;height:22px;
    display:inline-flex;align-items:center;justify-content:center;
    color:var(--primary);font-size:17px;line-height:1;
    transition:transform .22s ease-out;
  }
  .faq details[open] .faq-icon{transform:rotate(45deg)}
  .faq-answer{padding:0 20px 22px 54px;color:var(--text-2);font-size:15.5px;line-height:1.9}

  /* CTA 窄条 */
  .cta-strip{
    display:flex;flex-direction:column;gap:18px;
    align-items:flex-start;
    padding:30px 26px;
    border:1px solid var(--line-strong);
    border-radius:var(--r-img);
    background:
      radial-gradient(120% 140% at 100% 0%,rgba(109,90,230,.18),transparent 60%),
      var(--bg-alt);
    box-shadow:var(--shadow-card);
  }
  @media (min-width:820px){
    .cta-strip{flex-direction:row;align-items:center;justify-content:space-between;padding:34px 38px}
  }
  .cta-strip h2{font-size:clamp(21px,2.6vw,28px);font-weight:800;line-height:1.35}
  .cta-strip p{margin-top:8px;color:var(--text-2);font-size:15px}

  /* ---------- 页脚 ---------- */
  .site-footer{
    position:relative;z-index:1;
    background:var(--bg-deep);
    border-top:1px solid var(--line);
    padding:56px 0 26px;
    margin-top:8px;
  }
  .foot-grid{display:grid;grid-template-columns:1fr;gap:34px}
  @media (min-width:640px){.foot-grid{grid-template-columns:repeat(2,1fr)}}
  @media (min-width:1024px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px}}
  .foot-brand{display:flex;align-items:center;gap:10px}
  .foot-brand .logo-mark{width:32px;height:32px;flex:0 0 32px}
  .foot-brand .logo-text{font-size:16px}
  .foot-desc{margin-top:14px;color:var(--text-2);font-size:14px;line-height:1.85;max-width:340px}
  .foot-title{font-size:14px;font-weight:700;color:var(--text);letter-spacing:.02em;margin-bottom:14px}
  .foot-links{display:flex;flex-direction:column;gap:10px}
  .foot-links a{color:var(--text-2);font-size:14px}
  .foot-links a:hover{color:var(--primary)}
  .foot-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--text-2)}
  .foot-contact strong{color:var(--text);font-weight:600;margin-right:8px}
  .foot-bottom{
    margin-top:40px;padding-top:20px;
    border-top:1px solid var(--line);
    display:flex;flex-wrap:wrap;gap:10px 24px;
    justify-content:space-between;
    font-size:12.8px;color:var(--text-3);
  }
  .foot-bottom a{color:var(--text-2)}
  .foot-bottom a:hover{color:var(--primary)}

  /* ---------- 底部固定转化条 ---------- */
  .convert-bar{
    position:fixed;left:0;right:0;bottom:0;z-index:55;
    background:rgba(10,11,20,.86);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
    border-top:1px solid var(--line-strong);
    transform:translateY(0);
    transition:transform .28s ease-out;
  }
  .convert-bar.is-hidden{transform:translateY(120%)}
  .convert-inner{
    max-width:1200px;margin:0 auto;
    padding:9px 16px;
    min-height:60px;
    display:flex;align-items:center;gap:14px;justify-content:space-between;
  }
  .convert-text{font-size:14px;color:var(--text-2);line-height:1.5}
  .convert-text b{color:var(--text);font-weight:600}
  .convert-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
  .convert-close{
    width:34px;height:34px;border-radius:var(--r-pill);
    border:1px solid var(--line-strong);color:var(--text-3);
    display:inline-flex;align-items:center;justify-content:center;font-size:15px;
  }
  .convert-close:hover{color:var(--primary);border-color:var(--primary-30)}
  .convert-mini{
    position:fixed;right:16px;bottom:16px;z-index:56;
    width:48px;height:48px;border-radius:50%;
    display:none;align-items:center;justify-content:center;
    background:linear-gradient(135deg,var(--primary),var(--secondary));
    color:#06131A;font-weight:800;font-size:14px;
    box-shadow:0 14px 30px -12px rgba(20,227,192,.7);
    border:0;
  }
  .convert-mini.show{display:inline-flex}

  @media (max-width:860px){
    .dock-nav{display:none}
    .dock-cta{display:none}
    .menu-btn{display:inline-flex}
    .convert-text b{display:none}
    .convert-text{font-size:13px}
    .btn-compact{padding:0 16px;font-size:13.5px;min-height:40px}
  }
  @media (max-width:520px){
    .page-hero h1{font-size:28px}
    .step-item{gap:12px;padding:18px 8px}
    .faq-answer{padding-left:20px}
  }

  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  }

/* roulang page: category2 */
*,*::before,*::after{box-sizing:border-box}
:root{
  --bg:#0A0B14;
  --bg-2:#111426;
  --primary:#14E3C0;
  --secondary:#6D5AE6;
  --accent:#FFB43D;
  --text:#F2F4FA;
  --text-2:#A7AEC6;
  --text-3:#6E7690;
  --line:rgba(255,255,255,.06);
  --line-2:rgba(255,255,255,.12);
  --r-card:16px;
  --r-img:20px;
  --shadow:0 20px 40px -24px rgba(0,0,0,.85);
  --font:"PingFang SC","HarmonyOS Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  padding-bottom:72px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3{letter-spacing:-.01em}
.num{font-variant-numeric:tabular-nums;font-weight:800}

body .container{width:100%;max-width:1200px;margin-left:auto;margin-right:auto;padding-left:16px;padding-right:16px}
@media(min-width:640px){body .container{padding-left:24px;padding-right:24px}}
@media(min-width:1024px){body .container{padding-left:32px;padding-right:32px}}

/* ============ Dock 导航 ============ */
.dock-wrap{position:fixed;top:0;left:0;right:0;z-index:80;display:flex;justify-content:center;padding:16px;pointer-events:none}
.dock{
  pointer-events:auto;width:100%;max-width:1140px;
  display:flex;align-items:center;gap:12px;
  padding:10px 12px 10px 18px;border-radius:999px;
  background:rgba(10,11,20,.72);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.1);
  transition:background .25s ease-out,box-shadow .25s ease-out,padding .25s ease-out;
}
.dock.scrolled{background:rgba(8,9,17,.92);box-shadow:0 22px 44px -26px rgba(0,0,0,.95);padding-top:7px;padding-bottom:7px}
.logo{display:flex;align-items:center;gap:9px;flex:0 0 auto}
.logo-mark{display:grid;place-items:center;color:var(--primary);filter:drop-shadow(0 0 10px rgba(20,227,192,.35))}
.logo-text{font-size:16px;font-weight:800;white-space:nowrap}
.logo-text em{font-style:normal;color:var(--primary)}
.dock-nav{display:none;gap:4px;margin:0 auto}
@media(min-width:900px){.dock-nav{display:flex}}
.nav-link{position:relative;padding:8px 14px;border-radius:999px;font-size:14.5px;color:var(--text-2);transition:color .2s ease-out,background .2s ease-out}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav-link:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--primary)}
.dock-right{display:flex;align-items:center;gap:8px;margin-left:auto}
@media(min-width:900px){.dock-right{margin-left:0}}
.icon-btn{width:38px;height:38px;border-radius:999px;display:grid;place-items:center;background:rgba(255,255,255,.05);border:1px solid var(--line-2);color:var(--text-2);cursor:pointer;transition:color .2s,border-color .2s}
.icon-btn:hover{color:var(--primary);border-color:rgba(20,227,192,.5)}
.icon-btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.dock-cta{display:none}
@media(min-width:640px){.dock-cta{display:inline-flex}}
.menu-btn{display:grid;place-items:center;width:38px;height:38px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--line-2);color:var(--text);cursor:pointer}
@media(min-width:900px){.menu-btn{display:none}}

/* 移动抽屉 */
.drawer{position:fixed;inset:0;z-index:75;display:none;flex-direction:column;padding:104px 22px 36px;background:rgba(7,8,15,.97);backdrop-filter:blur(10px)}
.drawer.open{display:flex}
.drawer a{font-size:19px;padding:18px 4px;border-bottom:1px solid var(--line);color:var(--text-2);transition:color .2s}
.drawer a:hover,.drawer a.active{color:var(--primary)}
.drawer .btn{margin-top:28px}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:999px;border:1px solid transparent;font-size:15px;font-weight:700;cursor:pointer;transition:filter .2s ease-out,box-shadow .2s ease-out,transform .2s ease-out,border-color .2s,color .2s}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#07121a}
.btn-primary:hover{filter:brightness(1.08);box-shadow:0 0 0 1px rgba(20,227,192,.4),0 14px 30px -14px rgba(20,227,192,.6)}
.btn-primary:active{transform:scale(.98)}
.btn-primary:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--line-2);color:var(--text)}
.btn-ghost:hover{border-color:rgba(20,227,192,.55);color:var(--primary)}
.btn-ghost:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.link-cta{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:15px}
.link-cta span{transition:transform .2s ease-out}
.link-cta:hover span{transform:translateX(4px)}
.link-cta:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}

/* ============ 页头 ============ */
.page-hero{position:relative;overflow:hidden;padding:150px 0 68px;border-bottom:1px solid var(--line)}
.hero-media{position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat}
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(10,11,20,.94) 0%,rgba(10,11,20,.78) 46%,rgba(10,11,20,.62) 100%)}
.page-hero .container{position:relative;z-index:2}
.crumb ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:0 0 18px;padding:0;font-size:13.5px;color:var(--text-3)}
.crumb li+li::before{content:"/";margin-right:10px;opacity:.45}
.crumb a:hover{color:var(--primary)}
.crumb a:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;font-size:13px;color:var(--primary);background:rgba(20,227,192,.12);border:1px solid rgba(20,227,192,.3)}
h1{font-size:clamp(30px,5vw,52px);line-height:1.2;font-weight:800;margin:20px 0 0}
.hero-lead{max-width:660px;margin:18px 0 0;color:var(--text-2);font-size:16.5px;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:30px}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;max-width:660px;margin-top:36px;padding-top:22px;border-top:1px solid var(--line)}
.hero-stats .num{display:block;font-size:22px;color:var(--text)}
.hero-stats .lbl{font-size:13px;color:var(--text-3);margin-top:4px}

/* ============ 板块 ============ */
.section{padding:56px 0}
@media(min-width:768px){.section{padding:96px 0}}
.section-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:34px}
.sec-title{font-size:clamp(24px,3.4vw,34px);font-weight:800;line-height:1.25;margin:0}
.sec-sub{max-width:680px;margin:14px 0 0;color:var(--text-2);font-size:15.5px;line-height:1.8}

/* 卡片网格 · 首卡跨列 */
.news-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:768px){.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){
  .news-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
  .news-grid .card-feature{grid-column:span 2}
}
.card{display:flex;flex-direction:column;overflow:hidden;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out}
.card:hover{border-color:rgba(20,227,192,.4);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(20,227,192,.2),var(--shadow)}
.card-cover{position:relative;overflow:hidden;aspect-ratio:16/10;background:#0e1120}
.card-feature .card-cover{aspect-ratio:16/9}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.card:hover .card-cover img{transform:scale(1.03)}
.card-body{display:flex;flex-direction:column;gap:12px;flex:1;padding:20px 22px 22px}
.card h3{margin:0;font-size:19px;font-weight:700;line-height:1.4}
.card p{margin:0;color:var(--text-2);font-size:14.6px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3)}
.tag{align-self:flex-start;padding:4px 10px;border-radius:999px;font-size:12.5px;color:var(--primary);background:rgba(20,227,192,.1);border:1px solid rgba(20,227,192,.28)}

/* 非对称卖点 */
.value-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media(min-width:1024px){.value-grid{grid-template-columns:1.35fr 1fr 1fr;gap:28px}}
.value-item{padding-top:22px;border-top:1px solid var(--line-2)}
.value-item .no{display:block;font-size:13.5px;font-weight:800;letter-spacing:.1em;color:var(--primary);font-variant-numeric:tabular-nums}
.value-item h3{margin:12px 0 10px;font-size:19px;font-weight:700}
.value-item p{margin:0;color:var(--text-2);font-size:14.8px;line-height:1.8}
.value-lead h3{font-size:24px}
.value-lead p{font-size:15.6px}

/* 图文分栏 */
.split{display:grid;grid-template-columns:1fr;gap:30px;align-items:center}
@media(min-width:1024px){.split{grid-template-columns:1fr 1.05fr;gap:52px}}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-img);border:1px solid var(--line)}
.point-list{list-style:none;margin:20px 0 22px;padding:0;display:flex;flex-direction:column;gap:12px}
.point-list li{position:relative;padding-left:20px;color:var(--text-2);font-size:15.4px;line-height:1.75}
.point-list li::before{content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;background:var(--primary);opacity:.85}

/* 编号清单 */
.steps{border-top:1px solid var(--line);margin-bottom:44px}
.step{display:grid;grid-template-columns:48px 1fr;gap:16px;padding:20px 10px;border-bottom:1px solid var(--line);transition:background .2s ease-out}
.step:hover{background:rgba(255,255,255,.03)}
.step .idx{font-size:18px;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums}
.step h3{margin:0 0 6px;font-size:17.5px;font-weight:700}
.step p{margin:0;color:var(--text-2);font-size:14.6px;line-height:1.8}

/* 数据条 */
.stat-bar{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
@media(min-width:768px){.stat-bar{grid-template-columns:repeat(4,minmax(0,1fr))}}
.stat-cell{background:var(--bg-2);padding:24px 18px;text-align:center}
.stat-cell .v{display:block;font-size:25px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--primary)}
.stat-cell .k{font-size:13px;color:var(--text-3);margin-top:6px}

/* FAQ */
.faq{max-width:820px;margin:0 auto;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line)}
.faq details[open]{box-shadow:inset 2px 0 0 var(--primary)}
.faq summary{position:relative;list-style:none;cursor:pointer;padding:20px 8px 20px 34px;font-size:16.5px;font-weight:600;color:var(--text-2);transition:color .2s}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"+";position:absolute;left:6px;top:50%;transform:translateY(-50%);font-size:20px;font-weight:700;color:var(--primary);transition:transform .2s ease-out}
.faq details[open] summary{color:var(--text)}
.faq details[open] summary::before{transform:translateY(-50%) rotate(45deg)}
.faq summary:hover{color:var(--text)}
.faq summary:focus-visible{outline:2px solid var(--primary);outline-offset:-2px;border-radius:8px}
.faq .ans{padding:0 8px 22px 34px;color:var(--text-2);font-size:15px;line-height:1.85}

/* CTA 窄条 */
.cta-band{display:flex;flex-direction:column;gap:20px;padding:30px 26px;border:1px solid var(--line-2);border-radius:var(--r-card);background:linear-gradient(135deg,rgba(20,227,192,.1),rgba(109,90,230,.12))}
@media(min-width:768px){.cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:32px 38px}}
.cta-title{margin:0;font-size:22px;font-weight:800}
.cta-sub{margin:8px 0 0;max-width:640px;color:var(--text-2);font-size:15px}

/* 页脚 */
.site-footer{margin-top:0;padding:56px 0 26px;background:#07080f;border-top:1px solid var(--line)}
.foot-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:640px){.foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px}}
.foot-brand{display:flex;align-items:center;gap:9px;margin-bottom:14px}
.foot-brand .logo-mark{color:var(--primary)}
.foot-brand .logo-text{color:var(--text);font-weight:800}
.foot-brand .logo-text em{font-style:normal;color:var(--primary)}
.foot-desc{margin:0;max-width:350px;color:var(--text-3);font-size:14px;line-height:1.85}
.foot-title{margin:0 0 14px;font-size:14px;font-weight:700;color:var(--text)}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a{color:var(--text-2);font-size:14px;transition:color .2s}
.foot-links a:hover{color:var(--primary)}
.foot-contact{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;color:var(--text-2);font-size:14px}
.foot-contact strong{display:block;margin-bottom:2px;font-size:12.5px;font-weight:600;color:var(--text-3)}
.foot-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:40px;padding-top:20px;border-top:1px solid var(--line);font-size:12.8px;color:var(--text-3)}
.foot-bottom a{color:var(--text-3)}
.foot-bottom a:hover{color:var(--primary)}

/* 底部固定转化条 */
.fix-bar{position:fixed;left:0;right:0;bottom:0;z-index:70;min-height:60px;display:flex;align-items:center;background:rgba(10,11,20,.86);backdrop-filter:blur(12px);border-top:1px solid var(--line-2);transition:transform .25s ease-out}
.fix-bar.hide{transform:translateY(110%)}
.fix-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;padding-top:8px;padding-bottom:8px}
.fix-text{color:var(--text-2);font-size:13.6px}
.fix-actions{display:flex;align-items:center;gap:10px}
.fix-close{width:32px;height:32px;border-radius:999px;background:transparent;border:1px solid var(--line-2);color:var(--text-3);font-size:16px;line-height:1;cursor:pointer;transition:color .2s,border-color .2s}
.fix-close:hover{color:var(--primary);border-color:rgba(20,227,192,.5)}
.bar-reopen{position:fixed;right:18px;bottom:18px;z-index:71;display:none;place-items:center;width:46px;height:46px;border:none;border-radius:999px;background:linear-gradient(135deg,var(--primary),var(--secondary));color:#07121a;font-size:18px;font-weight:800;cursor:pointer;box-shadow:0 14px 30px -12px rgba(20,227,192,.7)}
.bar-reopen.show{display:grid}

@media(max-width:639px){
  .fix-text{font-size:13px}
  .hero-stats{grid-template-columns:1fr 1fr;gap:14px}
  .step{grid-template-columns:38px 1fr;gap:12px}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}