/* roulang page: index */
:root{
  --bg:#070B14;
  --bg-2:#0C1322;
  --bg-3:#111A2B;
  --line:rgba(120,160,200,.14);
  --line-brand:rgba(53,224,200,.35);
  --brand:#35E0C8;
  --brand-dark:#12A48F;
  --brand-soft:rgba(53,224,200,.12);
  --accent:#FF7A45;
  --violet:#7C6BFF;
  --text:#E8F0F8;
  --text-2:#9FB3C8;
  --text-3:#6B7C93;
  --r-lg:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 6px 20px rgba(4,10,20,.35);
  --sh-2:0 16px 40px rgba(4,10,20,.55);
  --sh-3:0 24px 60px rgba(4,10,20,.65);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-body-bg:#070B14;
  --bs-body-color:#E8F0F8;
  --bs-primary:#35E0C8;
  --bs-link-color:#35E0C8;
  --bs-link-hover-color:#7ff0dd;
  --bs-border-color:rgba(120,160,200,.14);
  --bs-border-radius:12px;
  --bs-body-font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none;transition:color 240ms var(--ease),background-color 240ms var(--ease),border-color 240ms var(--ease),transform 240ms var(--ease)}
a:hover{color:#7ff0dd;text-decoration:underline;text-underline-offset:3px}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:0}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.18;font-weight:700}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25;font-weight:600}
h3{font-size:20px;line-height:1.35;font-weight:600}
p{margin:0}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1200px){.wrap{padding:0 32px}}
.section{padding:96px 0}
@media (max-width:991px){.section{padding:72px 0}}
@media (max-width:575px){.section{padding:56px 0}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;line-height:1.5;color:var(--brand);
  background:var(--brand-soft);border:1px solid var(--line-brand);
  border-radius:var(--r-pill);padding:5px 14px;margin-bottom:18px;
}
.sec-head{max-width:760px;margin-bottom:44px}
.sec-head p{color:var(--text-2);margin-top:14px;font-size:16px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- 按钮 ---------- */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);border:0;
  font-size:15px;font-weight:600;color:#04141A;
  background:linear-gradient(135deg,#35E0C8,#12A48F);
  box-shadow:0 0 0 1px rgba(53,224,200,.35),0 10px 28px rgba(53,224,200,.26);
  transition:transform 240ms var(--ease),box-shadow 240ms var(--ease),filter 240ms var(--ease);
  cursor:pointer;
}
.btn-main:hover{color:#04141A;text-decoration:none;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(53,224,200,.45),0 14px 36px rgba(53,224,200,.34)}
.btn-main:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(53,224,200,.35),0 6px 18px rgba(53,224,200,.22)}
.btn-main:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:500;color:var(--brand);
  background:transparent;border:1px solid rgba(255,255,255,.18);
  transition:background-color 240ms var(--ease),border-color 240ms var(--ease),transform 240ms var(--ease);
  cursor:pointer;
}
.btn-ghost:hover{color:var(--brand);text-decoration:none;background:var(--brand-soft);border-color:rgba(53,224,200,.4);transform:translateY(-2px)}
.btn-ghost:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn-main.btn-sm,.btn-ghost.btn-sm{padding:9px 18px;font-size:14px}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);border:1px solid transparent;background:transparent;
  color:var(--text-2);font-size:15px;cursor:pointer;
  transition:background-color 240ms var(--ease),color 240ms var(--ease);
}
.icon-btn:hover{background:var(--brand-soft);color:var(--brand);text-decoration:none}
.icon-btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ---------- 玻璃与面板 ---------- */
.glass{
  background:rgba(255,255,255,.06);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border:1px solid rgba(255,255,255,.10);
  box-shadow:0 12px 40px rgba(4,10,20,.55);
}
.panel{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform 240ms var(--ease),border-color 240ms var(--ease),box-shadow 240ms var(--ease);
}
.panel:hover{transform:translateY(-4px);border-color:rgba(53,224,200,.4);box-shadow:var(--sh-2)}
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;line-height:1.5;padding:4px 12px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand);border:1px solid rgba(53,224,200,.22);
}
.badge-accent{background:rgba(255,122,69,.12);color:var(--accent);border-color:rgba(255,122,69,.28)}
.muted{color:var(--text-3);font-size:13px;line-height:1.5}

/* ---------- Dock 导航 ---------- */
.dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:min(1120px,calc(100% - 32px));z-index:1040;border-radius:20px;
  transition:box-shadow 240ms var(--ease),background-color 240ms var(--ease);
}
.dock-inner{display:flex;align-items:center;gap:16px;padding:12px 16px;transition:padding 240ms var(--ease)}
.dock.is-scrolled{box-shadow:var(--sh-3);background:rgba(255,255,255,.10)}
.dock.is-scrolled .dock-inner{padding:7px 16px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto}
.brand:hover{color:var(--text);text-decoration:none}
.brand-mark{width:32px;height:32px;flex:0 0 auto}
.brand-text{font-size:16px;font-weight:600;letter-spacing:.2px;white-space:nowrap}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto}
.dock-nav a{
  position:relative;display:inline-flex;align-items:center;
  padding:8px 14px;border-radius:var(--r-pill);
  font-size:14px;color:var(--text-2);
}
.dock-nav a:hover{color:var(--text);background:rgba(255,255,255,.06);text-decoration:none}
.dock-nav a.active{color:var(--text);background:rgba(53,224,200,.12)}
.dock-nav a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--brand);
  box-shadow:0 0 10px rgba(53,224,200,.9);
}
.dock-actions{display:flex;align-items:center;gap:8px;margin-left:auto;flex:0 0 auto}
.dock-toggle{display:none}
.dock-drawer{
  display:none;margin:0 8px 8px;padding:8px;
  border-radius:16px;background:rgba(9,14,25,.96);
  border:1px solid var(--line);
}
.dock-drawer a{
  display:block;padding:14px 16px;border-radius:12px;
  color:var(--text-2);font-size:15px;min-height:48px;
}
.dock-drawer a:hover,.dock-drawer a.active{background:var(--brand-soft);color:var(--brand);text-decoration:none}
@media (max-width:991px){
  .dock-nav{display:none}
  .dock-toggle{display:inline-flex}
  .dock-drawer.open{display:block}
}
@media (max-width:575px){
  .dock-actions .btn-main{display:none}
  .brand-text{font-size:15px}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  padding:152px 0 66px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(7,11,20,.96) 0%,rgba(7,11,20,.84) 44%,rgba(7,11,20,.48) 100%);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:170px;
  background:linear-gradient(180deg,rgba(7,11,20,0) 0%,#070B14 100%);
}
.hero > .wrap{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:start}
.hero-copy{max-width:640px;padding-top:8px}
.hero-copy h1{margin-bottom:20px}
.hero-sub{font-size:17px;color:var(--text-2);max-width:560px;margin-bottom:30px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-facts{display:flex;flex-wrap:wrap;gap:28px;padding-top:22px;border-top:1px solid var(--line)}
.hero-facts li{min-width:120px}
.hero-facts b{display:block;font-size:22px;color:var(--text);font-weight:600}
.hero-facts span{font-size:13px;color:var(--text-3)}
.hero-cards{display:grid;gap:20px;padding-top:36px}
.hero-card{border-radius:var(--r-lg);padding:24px}
.hero-card.offset{margin-top:44px}
.hero-card h3{font-size:16px;margin-bottom:14px;color:var(--text)}
.hero-card p{font-size:14px;color:var(--text-2);line-height:1.75}
.hero-card .kv{display:flex;align-items:baseline;gap:10px;margin-bottom:6px}
.hero-card .kv b{font-size:26px;font-weight:600;color:var(--brand)}
.hero-card .kv span{font-size:13px;color:var(--text-3)}
.hero-track{margin-top:56px;position:relative;z-index:2}
.track-bar{position:relative;height:6px;border-radius:var(--r-pill);background:rgba(255,255,255,.08);overflow:hidden}
.track-bar span{position:absolute;left:0;top:0;bottom:0;width:64%;border-radius:var(--r-pill);background:linear-gradient(90deg,#35E0C8,#7C6BFF)}
.track-nodes{display:flex;justify-content:space-between;gap:12px;margin-top:16px}
.track-nodes li{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.track-nodes li i{width:10px;height:10px;border-radius:50%;border:1px solid rgba(53,224,200,.5);background:transparent;flex:0 0 auto}
.track-nodes li.done{color:var(--text-2)}
.track-nodes li.done i{background:var(--brand);border-color:var(--brand);box-shadow:0 0 12px rgba(53,224,200,.85)}
@media (max-width:1199px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-cards{grid-template-columns:repeat(2,minmax(0,1fr));padding-top:0}
  .hero-card.offset{margin-top:32px}
}
@media (max-width:767px){
  .hero{padding:132px 0 56px}
  .hero-cards{grid-template-columns:1fr}
  .hero-card.offset{margin-top:0}
  .track-nodes{flex-wrap:wrap;gap:10px 18px;justify-content:flex-start}
}

/* ---------- 能力模块 ---------- */
.cap-grid{display:grid;grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);gap:24px;align-items:start}
.cap-aside{padding:28px;border-radius:var(--r-lg);background:linear-gradient(160deg,rgba(53,224,200,.10),rgba(12,19,34,.9) 60%);border:1px solid var(--line)}
.cap-aside h3{margin:18px 0 12px}
.cap-aside p{color:var(--text-2);font-size:15px}
.cap-aside .cap-num{font-size:42px;font-weight:700;color:var(--brand);line-height:1}
.cap-list{display:grid;gap:20px}
.cap-item{display:flex;gap:16px;padding:22px 24px;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);transition:border-color 240ms var(--ease),transform 240ms var(--ease)}
.cap-item:hover{border-color:rgba(53,224,200,.4);transform:translateY(-3px)}
.cap-ico{
  width:44px;height:44px;flex:0 0 auto;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);font-size:18px;
}
.cap-item h3{font-size:18px;margin-bottom:8px}
.cap-item p{color:var(--text-2);font-size:15px}
.cap-wide{
  margin-top:24px;padding:28px;border-radius:var(--r-lg);
  background:var(--bg-2);border:1px solid var(--line);
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) minmax(0,1fr);
  gap:26px;
}
.cap-wide div h4{font-size:15px;color:var(--brand);margin-bottom:8px;font-weight:600}
.cap-wide div p{font-size:14px;color:var(--text-2)}
@media (max-width:991px){
  .cap-grid{grid-template-columns:1fr}
  .cap-wide{grid-template-columns:1fr;gap:18px}
}

/* ---------- 横滑卡组 ---------- */
.rail{display:flex;gap:22px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 4px 22px;scrollbar-width:none}
.rail::-webkit-scrollbar{display:none}
.rail-card{
  flex:0 0 336px;scroll-snap-align:start;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform 240ms var(--ease),border-color 240ms var(--ease),box-shadow 240ms var(--ease);
}
.rail-card:hover{transform:translateY(-4px);border-color:rgba(53,224,200,.4);box-shadow:var(--sh-2)}
.rail-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--brand-soft)}
.rail-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 240ms var(--ease)}
.rail-card:hover .rail-thumb img{transform:scale(1.03)}
.rail-body{padding:22px}
.rail-body h3{font-size:18px;margin:12px 0 10px}
.rail-body p{font-size:14px;color:var(--text-2);margin-bottom:16px}
.rail-link{font-size:14px;display:inline-flex;align-items:center;gap:6px}
.rail-card:hover .rail-link i{transform:translateX(4px)}
.rail-link i{transition:transform 240ms var(--ease)}
@media (max-width:575px){.rail-card{flex:0 0 82%}}

/* ---------- 最新信息 ---------- */
.news-main{
  display:block;border-radius:var(--r-lg);overflow:hidden;
  background:var(--bg-2);border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform 240ms var(--ease),border-color 240ms var(--ease);
}
.news-main:hover{transform:translateY(-4px);border-color:rgba(53,224,200,.4);text-decoration:none}
.news-main .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--brand-soft)}
.news-main .thumb img{width:100%;height:100%;object-fit:cover}
.news-main .body{padding:24px}
.news-main h3{font-size:20px;margin:12px 0 10px;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-main p{color:var(--text-2);font-size:15px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.news-side{
  display:flex;gap:16px;padding:18px;border-radius:var(--r-lg);
  background:var(--bg-2);border:1px solid var(--line);
  transition:transform 240ms var(--ease),border-color 240ms var(--ease);
}
.news-side:hover{transform:translateY(-4px);border-color:rgba(53,224,200,.4);text-decoration:none}
.news-side .thumb{flex:0 0 92px;width:92px;aspect-ratio:1/1;border-radius:12px;overflow:hidden;background:var(--brand-soft)}
.news-side .thumb img{width:100%;height:100%;object-fit:cover}
.news-side h3{font-size:16px;color:var(--text);margin:8px 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-side p{font-size:13px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:8px}
.news-row{
  display:flex;align-items:center;gap:16px;padding:16px 18px;border-radius:var(--r-sm);
  background:var(--bg-2);border:1px solid var(--line);
  transition:transform 240ms var(--ease),border-color 240ms var(--ease);
}
.news-row:hover{transform:translateX(4px);border-color:rgba(53,224,200,.4);text-decoration:none}
.news-row .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);flex:0 0 auto;box-shadow:0 0 8px rgba(53,224,200,.8)}
.news-row .t{flex:1 1 auto;color:var(--text);font-size:15px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-row .d{flex:0 0 auto;font-size:13px;color:var(--text-3)}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-lg);background:var(--bg-2);
  padding:44px 24px;text-align:center;max-height:260px;
}
.empty-state i{font-size:24px;color:var(--brand);display:block;margin-bottom:14px}
.empty-state p{font-size:15px;color:var(--text-2);margin-bottom:16px}
@media (max-width:991px){.news-side .thumb{flex:0 0 72px;width:72px}}

/* ---------- 进度流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;position:relative}
.flow::before{content:"";position:absolute;left:6%;right:6%;top:19px;height:1px;background:linear-gradient(90deg,rgba(53,224,200,.5),rgba(124,107,255,.35),rgba(120,160,200,.14))}
.flow-item{position:relative;padding-top:52px}
.flow-item .node{
  position:absolute;top:12px;left:0;width:16px;height:16px;border-radius:50%;
  background:var(--bg);border:2px solid rgba(53,224,200,.6);
}
.flow-item:first-child .node{background:var(--brand);box-shadow:0 0 14px rgba(53,224,200,.85)}
.flow-item h3{font-size:16px;margin-bottom:8px}
.flow-item p{font-size:14px;color:var(--text-2)}
.flow-item .step{font-size:13px;color:var(--brand);display:block;margin-bottom:6px}
@media (max-width:991px){
  .flow{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow::before{display:none}
}
@media (max-width:575px){.flow{grid-template-columns:1fr}}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.stats div{background:var(--bg-2);padding:26px 22px}
.stats b{display:block;font-size:26px;font-weight:600;color:var(--brand);line-height:1.3}
.stats span{font-size:13px;color:var(--text-3)}
@media (max-width:767px){.stats{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:border-color 240ms var(--ease),background-color 240ms var(--ease)}
.faq-item.open{border-color:var(--line-brand);background:rgba(20,32,48,.75)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;
  min-height:56px;padding:18px 22px;background:transparent;border:0;
  color:var(--text);font-size:16px;font-weight:500;text-align:left;cursor:pointer;
  font-family:inherit;
}
.faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:-2px}
.faq-q .no{font-size:13px;color:var(--brand);font-variant-numeric:tabular-nums;font-weight:600}
.faq-q .txt{flex:1 1 auto}
.faq-q i{color:var(--text-3);transition:transform 240ms var(--ease),color 240ms var(--ease)}
.faq-item.open .faq-q i{transform:rotate(180deg);color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 300ms var(--ease)}
.faq-item.open .faq-a{max-height:420px}
.faq-a p{padding:0 22px 22px 58px;color:var(--text-2);font-size:15px}
@media (max-width:575px){.faq-a p{padding:0 18px 20px 18px}}

/* ---------- 通栏 CTA ---------- */
.cta-band{
  border-radius:var(--r-lg);
  background:linear-gradient(135deg,rgba(53,224,200,.12),rgba(12,19,34,.96) 55%),
             url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  border:1px solid var(--line-brand);
  padding:56px 40px;box-shadow:var(--sh-2);
}
.cta-band h2{margin-bottom:14px}
.cta-band p{color:var(--text-2);max-width:640px;margin-bottom:28px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
@media (max-width:575px){.cta-band{padding:36px 22px}}

/* ---------- 页脚 ---------- */
.site-footer{background:#05080F;border-top:1px solid var(--line);padding:64px 0 0;margin-top:96px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;color:var(--text)}
.foot-brand:hover{color:var(--text);text-decoration:none}
.site-footer h4{font-size:15px;color:var(--text);margin-bottom:16px;font-weight:600}
.site-footer p{color:var(--text-3);font-size:14px}
.foot-links li{margin-bottom:10px}
.foot-links a{color:var(--text-2);font-size:14px}
.foot-links a:hover{color:var(--brand)}
.foot-bottom{
  margin-top:52px;border-top:1px solid var(--line);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
}
.foot-bottom p,.foot-bottom a{font-size:13px;color:var(--text-3)}
@media (max-width:991px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (max-width:575px){.foot-grid{grid-template-columns:1fr}}

/* roulang page: article */
:root{
  --bg:#070B14;
  --bg-2:#0C1322;
  --bg-3:#111A2B;
  --line:rgba(120,160,200,.14);
  --line-strong:rgba(53,224,200,.35);
  --primary:#35E0C8;
  --primary-dark:#12A48F;
  --primary-soft:rgba(53,224,200,.12);
  --accent:#FF7A45;
  --violet:#7C6BFF;
  --text:#E8F0F8;
  --text-2:#9FB3C8;
  --text-3:#6B7C93;
  --r-lg:16px;
  --r-sm:12px;
  --sh-1:0 6px 20px rgba(4,10,20,.35);
  --sh-2:0 16px 40px rgba(4,10,20,.55);
  --sh-3:0 24px 60px rgba(4,10,20,.65);
  --ease:240ms cubic-bezier(.2,.7,.3,1);
  --bs-body-bg:transparent;
  --bs-body-color:var(--text);
  --bs-primary:var(--primary);
  --bs-link-color:var(--primary);
  --bs-link-hover-color:#6BEEDC;
  --bs-border-color:var(--line);
  --bs-border-radius:var(--r-sm);
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),opacity var(--ease)}
a:hover{color:#6BEEDC;text-decoration:underline;text-underline-offset:3px}
a:focus-visible,button:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:8px}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:600;color:var(--text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:rgba(53,224,200,.3);color:#fff}
.wrap{max-width:1200px;margin:0 auto;padding:0 20px;width:100%}
@media(min-width:1200px){.wrap{padding:0 32px}}

/* ---------- Dock 导航 ---------- */
.dock-wrap{position:fixed;top:0;left:0;right:0;z-index:1040;padding:16px 16px 0;pointer-events:none}
.dock{
  pointer-events:auto;
  max-width:1120px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:10px 16px;
  border-radius:20px;
  background:rgba(255,255,255,.06);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  backdrop-filter:blur(18px) saturate(140%);
  border:1px solid rgba(255,255,255,.10);
  box-shadow:0 12px 40px rgba(4,10,20,.55);
  transition:padding var(--ease),background var(--ease),box-shadow var(--ease);
}
.dock.shrink{padding:6px 16px;background:rgba(12,19,34,.72);box-shadow:var(--sh-3)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{width:30px;height:30px;flex:0 0 auto}
.brand-text{font-size:17px;font-weight:700;color:var(--text);letter-spacing:.2px;white-space:nowrap}
.dock-nav{display:none;align-items:center;gap:4px;margin:0 auto}
.dock-nav a{
  position:relative;display:block;
  padding:9px 14px;border-radius:999px;
  font-size:14.5px;color:var(--text-2);white-space:nowrap;
  transition:color var(--ease),background var(--ease);
}
.dock-nav a:hover{color:var(--text);background:rgba(255,255,255,.05);text-decoration:none}
.dock-nav a.active{color:var(--primary);background:var(--primary-soft)}
.dock-nav a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--primary);
  box-shadow:0 0 8px rgba(53,224,200,.9);
}
.dock-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);border:1px solid transparent;background:transparent;
  color:var(--text-2);font-size:15px;cursor:pointer;transition:all var(--ease);
}
.icon-btn:hover{background:var(--primary-soft);color:var(--primary);border-color:rgba(53,224,200,.25)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease),filter var(--ease);
  text-decoration:none;
}
.btn:hover{text-decoration:none}
.btn-primary{
  background:linear-gradient(135deg,#35E0C8,#12A48F);color:#04141A;
  box-shadow:0 0 0 1px rgba(53,224,200,.35),0 10px 28px rgba(53,224,200,.26);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 0 0 1px rgba(53,224,200,.45),0 14px 34px rgba(53,224,200,.34);color:#04141A}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(53,224,200,.35),0 6px 16px rgba(53,224,200,.22)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.18);color:var(--primary)}
.btn-ghost:hover{background:var(--primary-soft);border-color:rgba(53,224,200,.4);color:var(--primary);transform:translateY(-2px)}
.btn-sm{padding:8px 16px;font-size:13.5px}
.dock-toggle{display:inline-flex}
.dock-drawer{
  pointer-events:auto;max-width:1120px;margin:10px auto 0;
  display:none;flex-direction:column;gap:4px;padding:12px;
  border-radius:18px;background:rgba(12,19,34,.92);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border:1px solid rgba(255,255,255,.10);box-shadow:var(--sh-3);
}
.dock-drawer.open{display:flex}
.dock-drawer a{
  display:flex;align-items:center;min-height:48px;padding:0 16px;border-radius:14px;
  color:var(--text-2);font-size:15.5px;
}
.dock-drawer a:hover{background:rgba(255,255,255,.06);color:var(--text);text-decoration:none}
.dock-drawer a.active{background:var(--primary-soft);color:var(--primary)}
@media(min-width:992px){
  .dock-nav{display:flex}
  .dock-toggle{display:none}
  .dock-drawer{display:none !important}
}

/* ---------- 文章页主体 ---------- */
.page-main{padding-top:112px}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);line-height:1.5;
}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--primary);text-decoration:none}
.crumb .sep{color:rgba(107,124,147,.6)}
.crumb .cur{
  color:var(--text-2);max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:48px;margin-top:24px}
.article-col{min-width:0;max-width:820px}
@media(min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,820px) 300px;justify-content:center}
}

.article-head{padding-bottom:26px;border-bottom:1px solid var(--line)}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary);
  font-size:13px;font-weight:500;line-height:1.5;
}
.article-head h1{
  margin-top:16px;
  font-size:clamp(26px,3.4vw,40px);
  font-weight:700;line-height:1.2;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;
  margin-top:20px;font-size:13px;color:var(--text-3);
}
.meta-row .dot{width:3px;height:3px;border-radius:50%;background:rgba(107,124,147,.7)}
.meta-row .share{margin-left:auto;display:flex;align-items:center;gap:8px}
.meta-row .share .icon-btn{width:36px;height:36px;font-size:14px}

.cover-box{margin-top:28px;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1)}
.cover-box img{width:100%;aspect-ratio:16/9;object-fit:cover}

.article-body{margin-top:32px;font-size:17px;line-height:1.9;color:#D3DEEA}
.article-body>*+*{margin-top:1.4em}
.article-body p{margin:0}
.article-body h2{
  position:relative;margin-top:2.1em;padding-left:14px;
  font-size:clamp(21px,2.4vw,26px);font-weight:600;line-height:1.35;color:var(--text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:1.05em;border-radius:3px;
  background:linear-gradient(180deg,#35E0C8,#7C6BFF);
}
.article-body h3{margin-top:1.8em;font-size:20px;font-weight:600;color:var(--text)}
.article-body ul{margin:1.4em 0 0;padding:0}
.article-body ul li{position:relative;padding-left:20px;margin-top:.6em}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--primary);opacity:.85;
}
.article-body ol{padding-left:1.3em}
.article-body ol li{margin-top:.6em}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;
  border-left:3px solid var(--primary);
  background:rgba(53,224,200,.08);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--text-2);
}
.article-body img{border-radius:var(--r-sm);margin:1.6em auto}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;background:rgba(17,26,43,.6)}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left}
.article-body th{background:rgba(53,224,200,.08);color:var(--text);font-weight:600}
.article-body a{color:var(--primary)}
.article-body a:hover{text-decoration:underline}
.article-body code{background:rgba(17,26,43,.9);padding:2px 6px;border-radius:6px;font-size:15px;color:#9FE9DD}

.empty-panel{
  margin-top:32px;padding:48px 28px;text-align:center;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);
}
.empty-panel i{font-size:26px;color:var(--primary)}
.empty-panel p{margin-top:14px;font-size:15px;color:var(--text-2)}
.empty-panel .btn{margin-top:20px}

.tag-block{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:40px;padding-top:26px;border-top:1px solid var(--line)}
.tag-block .label{font-size:13px;color:var(--text-3)}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  font-size:13px;color:var(--text-2);transition:all var(--ease);
}
.tag:hover{background:var(--primary-soft);border-color:rgba(53,224,200,.35);color:var(--primary);text-decoration:none}

.pager{display:grid;grid-template-columns:1fr;gap:20px;margin-top:40px}
@media(min-width:768px){.pager{grid-template-columns:1fr 1fr}}
.pager-card{
  display:block;padding:22px 24px;border-radius:var(--r-lg);
  background:var(--bg-2);border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.pager-card:hover{transform:translateY(-4px);border-color:rgba(53,224,200,.4);box-shadow:var(--sh-2);text-decoration:none}
.pager-card .k{font-size:13px;color:var(--text-3)}
.pager-card .t{margin-top:8px;font-size:17px;font-weight:600;color:var(--text);line-height:1.5}
.pager-card.next{text-align:right}

.back-row{margin-top:32px;display:flex;flex-wrap:wrap;gap:12px}

/* 相关推荐 */
.related{margin-top:64px;padding-top:44px;border-top:1px solid var(--line);max-width:1200px}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px}
.sec-head h2{font-size:clamp(22px,2.4vw,28px)}
.sec-head p{margin-top:8px;font-size:14.5px;color:var(--text-2)}
.card-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media(min-width:576px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:992px){.card-grid{grid-template-columns:repeat(3,1fr)}}
.list-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.list-card:hover{transform:translateY(-4px);border-color:rgba(53,224,200,.4);box-shadow:var(--sh-2);text-decoration:none}
.list-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--primary-soft)}
.list-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms cubic-bezier(.2,.7,.3,1)}
.list-card:hover .thumb img{transform:scale(1.03)}
.list-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.list-card h3{font-size:17.5px;font-weight:600;line-height:1.5;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.list-card .sum{font-size:14.5px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.list-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px}
.list-card .foot .time{font-size:13px;color:var(--text-3)}
.list-card .foot i{color:var(--primary);font-size:13px;transition:transform var(--ease)}
.list-card:hover .foot i{transform:translateX(4px)}

/* 侧栏 */
.side-col{display:none}
@media(min-width:1200px){
  .side-col{display:block;position:sticky;top:96px;align-self:start}
}
.side-box{
  padding:22px 22px 24px;border-radius:var(--r-lg);
  background:var(--bg-2);border:1px solid var(--line);box-shadow:var(--sh-1);
}
.side-box+.side-box{margin-top:22px}
.side-box h3{font-size:15px;font-weight:600;color:var(--text);display:flex;align-items:center;gap:8px}
.side-box h3 i{color:var(--primary);font-size:14px}
.toc-list{margin-top:14px}
.toc-list a{
  display:block;padding:9px 0 9px 12px;font-size:14px;color:var(--text-2);line-height:1.6;
  border-left:2px solid transparent;transition:all var(--ease);
}
.toc-list a:hover{color:var(--text);text-decoration:none;border-left-color:rgba(53,224,200,.4)}
.toc-list a.on{color:var(--primary);border-left-color:var(--primary);background:linear-gradient(90deg,rgba(53,224,200,.10),transparent)}
.hot-list{margin-top:12px}
.hot-list li+li{border-top:1px solid var(--line)}
.hot-list a{display:block;padding:12px 0;font-size:14.5px;color:var(--text-2);line-height:1.6}
.hot-list a:hover{color:var(--primary);text-decoration:none}
.hot-list .time{display:block;margin-top:4px;font-size:12.5px;color:var(--text-3)}

/* CTA */
.cta-band{margin-top:80px;padding:0 20px 0}
@media(min-width:1200px){.cta-band{padding:0 32px}}
.cta-inner{
  max-width:1200px;margin:0 auto;
  position:relative;overflow:hidden;
  padding:48px 36px;border-radius:var(--r-lg);
  background:linear-gradient(135deg,#0C1322 0%,#111A2B 55%,#0C1322 100%);
  border:1px solid var(--line-strong);
  box-shadow:var(--sh-2);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
}
.cta-inner::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(53,224,200,.16) 1px,transparent 1px);
  background-size:22px 22px;opacity:.35;pointer-events:none;
}
.cta-inner h2{position:relative;font-size:clamp(21px,2.4vw,28px);z-index:1}
.cta-inner p{position:relative;margin-top:10px;font-size:15px;color:var(--text-2);max-width:560px;z-index:1}
.cta-inner .acts{position:relative;display:flex;flex-wrap:wrap;gap:12px;z-index:1}

/* 页脚 */
.site-footer{margin-top:96px;background:#05080F;border-top:1px solid var(--line);padding:60px 0 26px}
.foot-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:768px){.foot-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:992px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}}
.foot-brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none}
.foot-brand:hover{text-decoration:none}
.foot-brand .brand-text{font-size:17px;font-weight:700;color:var(--text)}
.site-footer p{margin-top:16px;font-size:14px;color:var(--text-3);line-height:1.8;max-width:340px}
.site-footer h4{font-size:14px;font-weight:600;color:var(--text);letter-spacing:.4px}
.foot-links{margin-top:16px}
.foot-links li+li{margin-top:10px}
.foot-links a{font-size:14px;color:var(--text-3)}
.foot-links a:hover{color:var(--primary);text-decoration:none}
.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;
}
.foot-bottom p{margin:0;font-size:13px;color:var(--text-3);max-width:none}

@media(max-width:575px){
  .page-main{padding-top:100px}
  .article-body{font-size:15.5px}
  .cta-inner{padding:34px 22px}
  .meta-row{gap:12px}
  .meta-row .share{margin-left:0}
}

/* roulang page: category1 */
:root{
  --bg:#070B14;
  --bg-deep:#05080F;
  --surface:#0C1322;
  --surface-3:#111A2B;
  --line:rgba(120,160,200,.14);
  --line-2:rgba(53,224,200,.35);
  --primary:#35E0C8;
  --primary-deep:#12A48F;
  --primary-soft:rgba(53,224,200,.12);
  --accent:#FF7A45;
  --violet:#7C6BFF;
  --t1:#E8F0F8;
  --t2:#9FB3C8;
  --t3:#6B7C93;
  --r-lg:16px;
  --r-md:12px;
  --r-pill:999px;
  --sh-1:0 6px 20px rgba(4,10,20,.35);
  --sh-2:0 16px 40px rgba(4,10,20,.55);
  --sh-3:0 24px 60px rgba(4,10,20,.65);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-body-bg:#070B14;
  --bs-body-color:#E8F0F8;
  --bs-primary:#35E0C8;
  --bs-link-color:#35E0C8;
  --bs-link-hover-color:#6BF0DC;
  --bs-border-color:rgba(120,160,200,.14);
  --bs-border-radius:12px;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .24s var(--ease),background-color .24s var(--ease),border-color .24s var(--ease)}
a:hover{color:#6BF0DC;text-decoration:underline;text-underline-offset:3px}
a:focus-visible,button:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:600;letter-spacing:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1200px){.wrap{padding:0 32px}}

/* ---------- Dock 导航 ---------- */
.dock-shell{position:fixed;top:16px;left:0;right:0;z-index:1000;display:flex;justify-content:center;pointer-events:none}
.dock-inner{
  pointer-events:auto;
  width:min(1120px,calc(100% - 32px));
  display:flex;align-items:center;gap:18px;
  padding:10px 14px 10px 18px;
  border-radius:20px;
  background:rgba(255,255,255,.06);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border:1px solid rgba(255,255,255,.10);
  box-shadow:var(--sh-1);
  transition:padding .24s var(--ease),background-color .24s var(--ease),box-shadow .24s var(--ease);
}
.dock-shell.is-scrolled .dock-inner{background:rgba(255,255,255,.10);box-shadow:var(--sh-3);padding:6px 14px 6px 18px}
.dock-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--t1);font-weight:600;font-size:16px}
.dock-brand:hover{color:var(--t1);text-decoration:none}
.brand-mark{width:30px;height:30px;flex:0 0 auto}
.brand-text{white-space:nowrap}
.dock-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.dock-nav a{
  position:relative;
  padding:9px 14px;border-radius:var(--r-pill);
  color:var(--t2);font-size:14px;font-weight:500;
  transition:color .24s var(--ease),background-color .24s var(--ease);
  white-space:nowrap;
}
.dock-nav a:hover{color:var(--t1);background:rgba(255,255,255,.06);text-decoration:none}
.dock-nav a.active{color:var(--primary);background:var(--primary-soft)}
.dock-nav a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
  width:4px;height:4px;border-radius:50%;background:var(--primary);box-shadow:0 0 8px rgba(53,224,200,.9);
}
.dock-cta{flex:0 0 auto}
.dock-burger{
  display:none;width:40px;height:40px;border-radius:var(--r-md);border:1px solid var(--line);
  background:transparent;color:var(--t1);align-items:center;justify-content:center;font-size:16px;
}
.dock-burger:hover{background:var(--primary-soft);border-color:var(--line-2)}
.dock-drawer{display:none;pointer-events:auto;width:min(1120px,calc(100% - 32px));margin:10px auto 0;
  background:rgba(12,19,34,.96);backdrop-filter:blur(18px);border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-3);padding:10px;flex-direction:column}
.dock-drawer.open{display:flex}
.dock-drawer a{display:flex;align-items:center;min-height:48px;padding:0 16px;border-radius:var(--r-md);color:var(--t2);font-size:15px}
.dock-drawer a:hover{background:rgba(255,255,255,.06);color:var(--t1);text-decoration:none}
.dock-drawer a.active{background:var(--primary-soft);color:var(--primary)}
.dock-shell .dock-drawer-wrap{display:flex;flex-direction:column;align-items:center;width:100%}

/* ---------- 按钮 ---------- */
.btn-main{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-pill);border:0;
  background:linear-gradient(135deg,#35E0C8,#12A48F);
  color:#04141A;font-weight:600;font-size:15px;line-height:1;
  box-shadow:0 0 0 1px rgba(53,224,200,.35),0 10px 28px rgba(53,224,200,.26);
  transition:transform .24s var(--ease),filter .24s var(--ease),box-shadow .24s var(--ease);
}
.btn-main:hover{filter:brightness(1.06);transform:translateY(-2px);color:#04141A;text-decoration:none;
  box-shadow:0 0 0 1px rgba(53,224,200,.45),0 14px 36px rgba(53,224,200,.34)}
.btn-main:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(53,224,200,.3),0 6px 16px rgba(53,224,200,.22)}
.btn-main.sm{padding:9px 18px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-md);
  background:transparent;border:1px solid rgba(255,255,255,.18);
  color:var(--primary);font-weight:500;font-size:15px;line-height:1;
  transition:background-color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
}
.btn-ghost:hover{background:var(--primary-soft);border-color:rgba(53,224,200,.4);color:var(--primary);text-decoration:none;transform:translateY(-2px)}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-md);border:1px solid var(--line);
  background:transparent;color:var(--t2);display:inline-flex;align-items:center;justify-content:center;
  transition:background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.icon-btn:hover{background:var(--primary-soft);color:var(--primary);border-color:var(--line-2)}

/* ---------- 分类 Hero ---------- */
.cat-hero{position:relative;overflow:hidden;padding:132px 0 56px;min-height:300px;display:flex;align-items:center}
.cat-hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.5;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(7,11,20,.96) 0%,rgba(7,11,20,.82) 42%,rgba(7,11,20,.42) 100%),
             linear-gradient(180deg,rgba(7,11,20,.72) 0%,rgba(7,11,20,0) 35%,rgba(7,11,20,.98) 100%);
}
.cat-hero-inner{position:relative;z-index:2}
.crumb{font-size:13px;color:var(--t3);margin-bottom:14px}
.crumb a{color:var(--t2)}
.crumb a:hover{color:var(--primary)}
.crumb span{margin:0 8px;color:var(--t3)}
.cat-hero h1{
  font-size:clamp(28px,4vw,46px);line-height:1.18;font-weight:700;max-width:900px;
}
.cat-sub{margin-top:16px;color:var(--t2);font-size:16px;max-width:680px}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chips a{
  padding:8px 16px;border-radius:var(--r-pill);font-size:13px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--t2);
  transition:all .24s var(--ease);
}
.chips a:hover{color:var(--t1);border-color:var(--line-2);text-decoration:none}
.chips a.active{background:var(--primary-soft);border-color:var(--line-2);color:var(--primary)}

/* ---------- 分类主体 ---------- */
.cat-layout{display:grid;grid-template-columns:1fr;gap:40px;padding-top:64px;padding-bottom:96px}
@media(min-width:992px){
  .cat-layout{grid-template-columns:240px 1fr;gap:56px;padding-top:88px}
}
.cat-side{display:none}
@media(min-width:992px){
  .cat-side{display:block}
  .side-menu{position:sticky;top:104px;display:flex;flex-direction:column;gap:4px;
    padding:14px;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh-1)}
  .side-menu a{
    padding:10px 14px;border-radius:var(--r-md);font-size:14px;color:var(--t2);
    transition:all .24s var(--ease);
  }
  .side-menu a:hover{background:rgba(255,255,255,.05);color:var(--t1);text-decoration:none}
  .side-menu a.active{background:var(--primary-soft);color:var(--primary)}
}
.block{padding-bottom:72px;scroll-margin-top:110px}
.block:last-child{padding-bottom:0}
.sec-head{margin-bottom:28px}
.sec-head h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;font-weight:600}
.sec-head p{margin-top:10px;color:var(--t2);font-size:15px;max-width:720px}
.block h3{font-size:19px;line-height:1.4;margin-bottom:10px;font-weight:600}
.block p.lead-p{color:var(--t2);font-size:15.5px}

/* 图文交替 */
.media-row{display:grid;grid-template-columns:1fr;gap:24px;align-items:center}
@media(min-width:768px){
  .media-row{grid-template-columns:1.05fr .95fr;gap:40px}
  .media-row.reverse .media-text{order:2}
  .media-row.reverse .media-pic{order:1}
}
.media-pic{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1)}
.media-pic img{width:100%;aspect-ratio:16/10;object-fit:cover}
.media-pic::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,20,0) 55%,rgba(7,11,20,.55) 100%)}
.pic-tag{
  position:absolute;left:16px;bottom:16px;z-index:3;
  padding:6px 14px;border-radius:var(--r-pill);font-size:13px;
  background:rgba(53,224,200,.14);color:var(--primary);border:1px solid var(--line-2);
  backdrop-filter:blur(8px);
}
.media-text ul.check{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.media-text ul.check li{position:relative;padding-left:20px;color:var(--t2);font-size:15px}
.media-text ul.check li::before{
  content:"";position:absolute;left:0;top:.72em;width:8px;height:8px;border-radius:2px;
  background:var(--primary);opacity:.85;
}

/* 不等高卡片 */
.mini-cards{display:grid;grid-template-columns:1fr;gap:20px;margin-top:26px}
@media(min-width:576px){.mini-cards{grid-template-columns:1fr 1fr}}
@media(min-width:768px){.mini-cards .mini-card:nth-child(2){margin-top:36px}}
.mini-card{
  position:relative;padding:26px;border-radius:var(--r-lg);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.mini-card:hover{transform:translateY(-4px);border-color:rgba(53,224,200,.4);box-shadow:var(--sh-2)}
.mini-card .corner{
  position:absolute;top:20px;right:20px;font-size:13px;font-weight:600;
  color:var(--primary);background:var(--primary-soft);border-radius:var(--r-pill);padding:4px 12px;
}
.mini-card h3{padding-right:60px}
.mini-card p{color:var(--t2);font-size:14.5px;margin-top:8px}
.mini-card .ic{width:24px;height:24px;color:var(--primary);margin-bottom:14px}

/* 纵向步骤 */
.vsteps{position:relative;margin-top:12px;padding-left:28px}
.vsteps::before{content:"";position:absolute;left:7px;top:10px;bottom:12px;width:2px;
  background:linear-gradient(180deg,var(--primary),var(--violet) 70%,rgba(120,160,200,.14))}
.vsteps li{position:relative;padding:0 0 26px 20px}
.vsteps li::before{
  content:"";position:absolute;left:-28px;top:8px;width:16px;height:16px;border-radius:50%;
  background:var(--surface);border:1px solid var(--line-2);
}
.vsteps li.done::before{background:var(--primary);border-color:var(--primary);box-shadow:0 0 12px rgba(53,224,200,.8)}
.vsteps li.pending::before{border-color:var(--line);box-shadow:none}
.vsteps strong{display:block;font-size:16px;font-weight:600;color:var(--t1)}
.vsteps span{display:block;color:var(--t3);font-size:13px;margin-top:2px}
.vsteps p{color:var(--t2);font-size:14.5px;margin-top:8px;max-width:640px}

/* FAQ */
.faq-list{max-width:900px;display:flex;flex-direction:column;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);overflow:hidden;
  transition:border-color .24s var(--ease),background-color .24s var(--ease)}
.faq-item.open{border-color:var(--line-2);background:var(--surface-3)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;min-height:56px;
  padding:16px 20px;background:transparent;border:0;text-align:left;color:var(--t1);
  font-size:15.5px;font-weight:500;cursor:pointer;
}
.faq-q .num{font-family:ui-monospace,Menlo,Consolas,monospace;color:var(--primary);font-size:14px;flex:0 0 auto}
.faq-q .chev{margin-left:auto;color:var(--t3);transition:transform .24s var(--ease);font-size:13px}
.faq-item.open .faq-q .chev{transform:rotate(180deg);color:var(--primary)}
.faq-a{display:none;padding:0 20px 20px 52px;color:var(--t2);font-size:14.5px}
.faq-item.open .faq-a{display:block}

/* CTA */
.cta-band{
  margin-top:8px;border-radius:var(--r-lg);
  background:linear-gradient(135deg,rgba(53,224,200,.10),rgba(124,107,255,.12)),var(--surface);
  border:1px solid var(--line-2);
  padding:44px 32px;display:flex;flex-direction:column;gap:22px;align-items:flex-start;
  box-shadow:var(--sh-2);
}
@media(min-width:768px){
  .cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:52px 48px}
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px)}
.cta-band p{color:var(--t2);font-size:15px;margin-top:10px;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* 数据条 */
.stat-row{display:grid;grid-template-columns:1fr;gap:16px;margin-top:26px}
@media(min-width:576px){.stat-row{grid-template-columns:1fr 1fr}}
@media(min-width:992px){.stat-row{grid-template-columns:repeat(4,1fr)}}
.stat{
  padding:22px;border-radius:var(--r-lg);background:var(--surface);
  border:1px solid var(--line);box-shadow:var(--sh-1);
}
.stat b{display:block;font-size:26px;font-weight:700;color:var(--primary);line-height:1.2}
.stat span{display:block;margin-top:6px;font-size:13px;color:var(--t3)}

/* 页脚 */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:96px}
.foot-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:768px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(min-width:992px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}}
.foot-brand{display:flex;align-items:center;gap:10px;color:var(--t1);font-weight:600;font-size:16px;margin-bottom:14px}
.foot-brand:hover{color:var(--t1);text-decoration:none}
.foot-grid p{color:var(--t3);font-size:14px;max-width:340px}
.foot-grid h4{font-size:14px;font-weight:600;color:var(--t1);margin-bottom:16px}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a{color:var(--t2);font-size:14px}
.foot-links a:hover{color:var(--primary);text-decoration:none}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-direction:column;gap:8px;
}
@media(min-width:768px){.foot-bottom{flex-direction:row;justify-content:space-between;align-items:center}}
.foot-bottom p{color:var(--t3);font-size:13px}

/* 移动端 */
@media(max-width:991px){
  .dock-nav{display:none}
  .dock-cta{display:none}
  .dock-burger{display:inline-flex;margin-left:auto}
}
@media(max-width:575px){
  .cat-hero{padding:118px 0 44px;min-height:280px}
  .block{padding-bottom:56px}
  .cta-band{padding:32px 22px}
  .site-footer{margin-top:64px;padding-top:48px}
}

/* roulang page: category2 */
:root{
  --bg:#070B14;
  --bg-2:#0C1322;
  --bg-3:#111A2B;
  --line:rgba(120,160,200,.14);
  --line-strong:rgba(53,224,200,.35);
  --primary:#35E0C8;
  --primary-dark:#12A48F;
  --primary-soft:rgba(53,224,200,.12);
  --accent:#FF7A45;
  --accent-soft:rgba(255,122,69,.14);
  --violet:#7C6BFF;
  --text:#E8F0F8;
  --text-2:#9FB3C8;
  --text-3:#6B7C93;
  --r-lg:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 6px 20px rgba(4,10,20,.35);
  --sh-2:0 16px 40px rgba(4,10,20,.55);
  --sh-3:0 24px 60px rgba(4,10,20,.65);
  --ease:240ms cubic-bezier(.2,.7,.3,1);

  --bs-body-bg:#070B14;
  --bs-body-color:#E8F0F8;
  --bs-primary:#35E0C8;
  --bs-primary-rgb:53,224,200;
  --bs-link-color:#35E0C8;
  --bs-link-hover-color:#6FF0DD;
  --bs-border-color:rgba(120,160,200,.14);
  --bs-border-radius:12px;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease);}
a:hover{color:#6FF0DD;text-decoration:underline;text-underline-offset:3px;}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:600;letter-spacing:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.wrap{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:1200px){.wrap{padding:0 32px;}}

/* ============ Dock 导航 ============ */
.dock-holder{
  position:fixed;
  top:16px;
  left:0;
  right:0;
  z-index:1000;
  display:flex;
  justify-content:center;
  pointer-events:none;
}
.dock{
  pointer-events:auto;
  width:min(1120px,calc(100% - 32px));
  display:flex;
  align-items:center;
  gap:16px;
  padding:10px 14px 10px 18px;
  border-radius:20px;
  background:rgba(255,255,255,.06);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border:1px solid rgba(255,255,255,.10);
  box-shadow:var(--sh-3);
  transition:padding var(--ease),background-color var(--ease),box-shadow var(--ease);
}
.dock.is-compact{
  padding:6px 12px 6px 16px;
  background:rgba(255,255,255,.10);
  box-shadow:0 24px 60px rgba(4,10,20,.72);
}
.dock-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text);}
.dock-brand:hover{text-decoration:none;color:var(--text);}
.brand-mark{width:30px;height:30px;flex:0 0 auto;}
.brand-text{font-size:16px;font-weight:700;letter-spacing:.2px;white-space:nowrap;}
.dock-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:6px;
  flex:1 1 auto;
}
.dock-nav a{
  position:relative;
  padding:9px 14px;
  font-size:14.5px;
  color:var(--text-2);
  border-radius:var(--r-pill);
  white-space:nowrap;
  transition:color var(--ease),background-color var(--ease);
}
.dock-nav a:hover{color:var(--text);background:rgba(255,255,255,.06);text-decoration:none;}
.dock-nav a.active{color:var(--text);background:rgba(53,224,200,.10);}
.dock-nav a.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:2px;
  width:4px;height:4px;
  margin-left:-2px;
  border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 8px rgba(53,224,200,.9);
}
.dock-side{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--r-sm);
  border:1px solid transparent;
  background:transparent;
  color:var(--text-2);
  cursor:pointer;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease);
}
.icon-btn:hover{background:var(--primary-soft);color:var(--primary);}
.dock-toggle{display:none;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:1px solid transparent;
  font-size:14.5px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),border-color var(--ease),color var(--ease);
}
.btn-primary{
  padding:13px 24px;
  border-radius:var(--r-pill);
  background:linear-gradient(135deg,#35E0C8,#12A48F);
  color:#04141A;
  box-shadow:0 0 0 1px rgba(53,224,200,.35),0 10px 28px rgba(53,224,200,.26);
}
.btn-primary:hover{
  color:#04141A;
  text-decoration:none;
  filter:brightness(1.06);
  transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(53,224,200,.45),0 14px 36px rgba(53,224,200,.34);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(53,224,200,.35),0 8px 18px rgba(53,224,200,.22);}
.btn-primary-sm{padding:10px 18px;font-size:14px;border-radius:var(--r-pill);background:linear-gradient(135deg,#35E0C8,#12A48F);color:#04141A;box-shadow:0 0 0 1px rgba(53,224,200,.30),0 8px 20px rgba(53,224,200,.22);}
.btn-primary-sm:hover{color:#04141A;text-decoration:none;transform:translateY(-2px);filter:brightness(1.06);}
.btn-ghost{
  padding:13px 24px;
  border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.18);
  background:transparent;
  color:var(--primary);
}
.btn-ghost:hover{
  color:#6FF0DD;
  text-decoration:none;
  background:var(--primary-soft);
  border-color:rgba(53,224,200,.40);
  transform:translateY(-2px);
}
.btn[disabled],.btn.disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none;}

.drawer{
  display:none;
  pointer-events:auto;
  width:min(1120px,calc(100% - 32px));
  margin:10px auto 0;
  padding:12px;
  border-radius:20px;
  background:rgba(9,14,24,.94);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border:1px solid rgba(255,255,255,.10);
  box-shadow:var(--sh-3);
}
.drawer.open{display:block;}
.drawer a{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 14px;
  border-radius:var(--r-sm);
  color:var(--text-2);
  font-size:15px;
}
.drawer a:hover{background:rgba(255,255,255,.06);color:var(--text);text-decoration:none;}
.drawer a.active{background:var(--primary-soft);color:var(--text);}

/* ============ 头部区 ============ */
.page-head{
  position:relative;
  padding:150px 0 64px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-head::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  opacity:.20;
  filter:saturate(.9);
}
.page-head::after{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(120,160,200,.22) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.5;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,0));
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,0));
}
.page-head .wrap{position:relative;z-index:2;}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:18px;
}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--primary);text-decoration:none;}
.crumb span.sep{color:rgba(120,160,200,.5);}
.crumb strong{color:var(--text-2);font-weight:500;}
.page-head h1{
  font-size:clamp(30px,4.2vw,50px);
  line-height:1.18;
  font-weight:700;
  max-width:860px;
}
.page-head h1 em{font-style:normal;color:var(--primary);}
.head-sub{
  margin-top:18px;
  max-width:720px;
  font-size:17px;
  line-height:1.9;
  color:var(--text-2);
}
.head-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.head-stats{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
  margin-top:44px;
  max-width:760px;
}
.head-stat{
  padding:18px 20px;
  border-radius:var(--r-lg);
  background:rgba(255,255,255,.06);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border:1px solid rgba(255,255,255,.10);
  box-shadow:var(--sh-2);
}
.head-stat:nth-child(2){transform:translateY(12px);}
.head-stat strong{display:block;font-size:22px;font-weight:700;color:var(--primary);line-height:1.3;}
.head-stat span{display:block;margin-top:6px;font-size:13px;color:var(--text-3);line-height:1.6;}

/* ============ 吸顶标签导航 ============ */
.tabbar{
  position:sticky;
  top:88px;
  z-index:900;
  background:rgba(7,11,20,.86);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.tabbar .wrap{
  display:flex;
  align-items:center;
  gap:8px;
  overflow-x:auto;
  scrollbar-width:none;
  padding-top:12px;
  padding-bottom:12px;
}
.tabbar .wrap::-webkit-scrollbar{display:none;}
.tabbar a{
  flex:0 0 auto;
  padding:9px 16px;
  font-size:14px;
  color:var(--text-2);
  border-radius:var(--r-pill);
  border:1px solid transparent;
  white-space:nowrap;
  transition:color var(--ease),background-color var(--ease),border-color var(--ease);
}
.tabbar a:hover{color:var(--text);background:rgba(255,255,255,.06);text-decoration:none;}
.tabbar a.active{
  color:#04141A;
  background:linear-gradient(135deg,#35E0C8,#12A48F);
  box-shadow:0 8px 20px rgba(53,224,200,.22);
}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
@media (max-width:991px){.section{padding:72px 0;}.section-tight{padding:56px 0;}}
@media (max-width:575px){.section{padding:56px 0;}.section-tight{padding:48px 0;}}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:var(--primary-soft);
  color:var(--primary);
  font-size:13px;
  line-height:1.4;
  margin-bottom:18px;
}
.eyebrow.warm{background:var(--accent-soft);color:var(--accent);}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.25;}
.sec-head p{margin-top:16px;color:var(--text-2);font-size:16px;line-height:1.9;}

/* ============ 通栏分节卡 ============ */
.feature{
  border-radius:var(--r-lg);
  background:var(--bg-2);
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.feature:hover{border-color:rgba(53,224,200,.30);box-shadow:var(--sh-2);transform:translateY(-3px);}
.feature + .feature{margin-top:28px;}
.feature-inner{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);
  align-items:stretch;
  gap:0;
}
.feature:nth-child(even) .feature-media{order:2;}
.feature-media{
  position:relative;
  min-height:320px;
  background:rgba(53,224,200,.10);
  background-image:radial-gradient(rgba(53,224,200,.35) 1px,transparent 1px);
  background-size:18px 18px;
}
.feature-media img{
  width:100%;height:100%;
  object-fit:cover;
  aspect-ratio:4/3;
}
.feature-body{
  padding:40px 40px 44px;
  display:flex;
  flex-direction:column;
  gap:18px;
}
.feature-tag{
  align-self:flex-start;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 13px;
  border-radius:var(--r-pill);
  background:var(--primary-soft);
  color:var(--primary);
  font-size:13px;
}
.feature-tag.warm{background:var(--accent-soft);color:var(--accent);}
.feature-body h3{font-size:clamp(20px,2.1vw,24px);line-height:1.35;}
.feature-body p{color:var(--text-2);font-size:16px;line-height:1.9;}
.check-list{display:grid;gap:12px;margin-top:4px;}
.check-list li{
  position:relative;
  padding-left:24px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.8;
}
.check-list li::before{
  content:"";
  position:absolute;
  left:4px;
  top:.72em;
  width:8px;height:8px;
  border-radius:2px;
  background:var(--primary);
  box-shadow:0 0 10px rgba(53,224,200,.5);
}
.feature-link{
  margin-top:6px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14.5px;
  font-weight:600;
  color:var(--primary);
}
.feature-link svg{transition:transform var(--ease);}
.feature-link:hover{text-decoration:none;}
.feature-link:hover svg{transform:translateX(4px);}

@media (max-width:900px){
  .feature-inner{grid-template-columns:1fr;}
  .feature:nth-child(even) .feature-media{order:0;}
  .feature-media{min-height:220px;}
  .feature-media img{aspect-ratio:16/9;}
  .feature-body{padding:28px 24px 32px;}
}

/* ============ 时间轴 ============ */
.timeline{
  position:relative;
  margin-top:8px;
  padding-left:28px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:7px;
  top:6px;
  bottom:6px;
  width:2px;
  background:linear-gradient(180deg,rgba(53,224,200,.7),rgba(124,107,255,.5),rgba(120,160,200,.12));
}
.tl-item{position:relative;padding:0 0 34px 26px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";
  position:absolute;
  left:-27px;
  top:8px;
  width:16px;height:16px;
  border-radius:50%;
  background:var(--bg);
  border:2px solid rgba(120,160,200,.45);
}
.tl-item.done::before{
  border-color:var(--primary);
  background:var(--primary);
  box-shadow:0 0 0 4px rgba(53,224,200,.14),0 0 16px rgba(53,224,200,.6);
}
.tl-step{display:block;font-size:13px;color:var(--text-3);letter-spacing:.06em;margin-bottom:6px;}
.tl-item h3{font-size:19px;line-height:1.4;margin-bottom:8px;}
.tl-item p{color:var(--text-2);font-size:15px;}
.tl-meta{margin-top:10px;display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text-3);
  font-size:12.5px;
  line-height:1.6;
}
.chip.hot{background:var(--accent-soft);border-color:rgba(255,122,69,.28);color:var(--accent);}

/* ============ 数据条 ============ */
.data-band{
  border-radius:var(--r-lg);
  background:var(--bg-2);
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  padding:40px;
}
.data-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.data-cell strong{
  display:block;
  font-size:clamp(26px,3vw,36px);
  font-weight:700;
  line-height:1.2;
  color:var(--text);
  font-variant-numeric:tabular-nums;
}
.data-cell strong i{font-style:normal;font-size:16px;color:var(--primary);margin-left:4px;font-weight:600;}
.data-cell span{display:block;margin-top:8px;font-size:14px;color:var(--text-3);line-height:1.7;}
.data-cell::after{
  content:"";
  display:block;
  margin-top:16px;
  height:6px;
  border-radius:99px;
  background:rgba(255,255,255,.08);
  position:relative;
  overflow:hidden;
}
.data-cell::before{
  content:"";
  display:block;
  height:6px;
  margin-top:0;
  border-radius:99px;
  background:linear-gradient(90deg,#35E0C8,#7C6BFF);
  position:relative;
  top:22px;
  z-index:2;
  width:var(--bar,70%);
  box-shadow:0 0 12px rgba(53,224,200,.45);
}
.data-cell:nth-child(1){--bar:82%;}
.data-cell:nth-child(2){--bar:68%;}
.data-cell:nth-child(3){--bar:74%;}
.data-cell:nth-child(4){--bar:60%;}
@media (max-width:900px){
  .data-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 20px;}
  .data-band{padding:28px 22px;}
}

/* ============ FAQ ============ */
.faq{max-width:900px;margin:0 auto;}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:var(--bg-2);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color var(--ease),background-color var(--ease);
}
.faq-item.open{border-color:var(--line-strong);background:#0E1727;}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:16px;
  min-height:56px;
  padding:18px 22px;
  background:transparent;
  border:0;
  color:var(--text);
  font-size:16.5px;
  font-weight:600;
  text-align:left;
  cursor:pointer;
}
.faq-num{
  flex:0 0 auto;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:14px;
  color:var(--primary);
  letter-spacing:.05em;
}
.faq-q .faq-arrow{
  margin-left:auto;
  flex:0 0 auto;
  color:var(--text-3);
  transition:transform var(--ease),color var(--ease);
}
.faq-item.open .faq-arrow{transform:rotate(180deg);color:var(--primary);}
.faq-a{
  display:none;
  padding:0 22px 22px 60px;
  color:var(--text-2);
  font-size:15.5px;
  line-height:1.9;
}
.faq-item.open .faq-a{display:block;}
@media (max-width:575px){
  .faq-q{padding:16px;font-size:15.5px;gap:12px;}
  .faq-a{padding:0 16px 20px 16px;}
}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  padding:80px 0;
  background:linear-gradient(180deg,#08101E,#05080F);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(53,224,200,.16) 1px,transparent 1px);
  background-size:26px 26px;
  opacity:.6;
  mask-image:radial-gradient(circle at 70% 40%,rgba(0,0,0,1),rgba(0,0,0,0) 65%);
  -webkit-mask-image:radial-gradient(circle at 70% 40%,rgba(0,0,0,1),rgba(0,0,0,0) 65%);
}
.cta-band .wrap{position:relative;z-index:2;}
.cta-inner{
  display:grid;
  grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);
  gap:40px;
  align-items:center;
}
.cta-inner h2{font-size:clamp(24px,2.6vw,32px);line-height:1.3;}
.cta-inner p{margin-top:16px;color:var(--text-2);font-size:16px;line-height:1.9;max-width:600px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.cta-aside{
  padding:26px;
  border-radius:var(--r-lg);
  background:rgba(255,255,255,.06);
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  border:1px solid rgba(255,255,255,.10);
  box-shadow:var(--sh-2);
}
.cta-aside h3{font-size:17px;margin-bottom:14px;}
.cta-aside ul{display:grid;gap:12px;}
.cta-aside li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14.5px;
  color:var(--text-2);
  line-height:1.7;
}
.cta-aside li svg{flex:0 0 auto;margin-top:4px;color:var(--primary);}
@media (max-width:900px){.cta-inner{grid-template-columns:1fr;gap:28px;}}

/* ============ 页脚 ============ */
.site-footer{
  background:#05080F;
  border-top:1px solid var(--line);
  padding:64px 0 26px;
  font-size:14px;
}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:40px;
}
.foot-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  margin-bottom:16px;
}
.foot-brand:hover{text-decoration:none;color:var(--text);}
.site-footer p{color:var(--text-3);line-height:1.85;font-size:14px;max-width:340px;}
.site-footer h4{
  font-size:15px;
  font-weight:600;
  color:var(--text);
  margin-bottom:16px;
}
.foot-links{display:grid;gap:10px;}
.foot-links a{color:var(--text-3);font-size:14px;}
.foot-links a:hover{color:var(--primary);text-decoration:none;}
.foot-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px;
  padding-top:22px;
  border-top:1px solid var(--line);
}
.foot-bottom p{max-width:none;color:var(--text-3);font-size:13px;}
@media (max-width:991px){
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:575px){
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{flex-direction:column;}
}

/* ============ 响应式导航 ============ */
@media (max-width:991px){
  .dock-nav{display:none;}
  .dock-toggle{display:inline-flex;}
  .dock-side .btn-primary-sm{display:none;}
  .tabbar{top:78px;}
}
@media (max-width:575px){
  .page-head{padding:126px 0 52px;}
  .head-stats{grid-template-columns:1fr;gap:12px;max-width:100%;}
  .head-stat:nth-child(2){transform:none;}
  .head-actions .btn{width:100%;}
  .brand-text{font-size:15px;}
  .dock{gap:10px;}
}