/* roulang page: index */
:root{
  --bg:#0A0C14;
  --bg-2:#0F131C;
  --panel:#141926;
  --panel-2:#1A2030;
  --neon:#35F2C0;
  --neon-dim:rgba(53,242,192,.12);
  --violet:#8B5CF6;
  --amber:#FFB020;
  --text:#E9EEF7;
  --muted:#97A2B6;
  --weak:#5C6678;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --r-card:16px;
  --r-btn:10px;
  --r-pill:999px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;line-height:1.75;letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:4px}
::selection{background:rgba(53,242,192,.28);color:#fff}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,12,20,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:rgba(10,12,20,.96);box-shadow:0 14px 34px -22px rgba(0,0,0,.95)}
.header-line{height:1px;background:linear-gradient(90deg,transparent,rgba(53,242,192,.6),rgba(139,92,246,.5),transparent)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;display:grid;place-items:center;
  font-size:16px;font-weight:800;color:#04120E;
  background:linear-gradient(135deg,#35F2C0,#8BF7DE);
  box-shadow:0 0 18px -4px rgba(53,242,192,.85);
}
.brand:hover{color:var(--neon)}
.main-nav{display:flex;align-items:center;gap:2px}
.nav-link{
  position:relative;padding:9px 14px;border-radius:8px;
  font-size:15px;color:var(--muted);transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.is-active{color:var(--neon)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--neon);box-shadow:0 0 10px rgba(53,242,192,.9);
}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;cursor:pointer;
  border:1px solid var(--line-strong);background:rgba(255,255,255,.04);
  align-items:center;justify-content:center;color:var(--text);font-size:16px;
}
.nav-toggle:hover{border-color:rgba(53,242,192,.45);color:var(--neon)}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:rgba(10,12,20,.99)}
.mobile-drawer.is-open{display:block;animation:drawerIn .22s ease}
@keyframes drawerIn{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}
.mobile-drawer .container{padding-top:14px;padding-bottom:22px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:10px;color:var(--muted);font-size:16px;
  border:1px solid transparent;
}
.drawer-link:hover,.drawer-link.is-active{color:var(--neon);background:rgba(53,242,192,.07);border-color:rgba(53,242,192,.28)}
.drawer-cta{margin-top:14px;width:100%}

@media (max-width:920px){
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .nav-actions .btn-primary{display:none}
}
@media (min-width:921px){
  .mobile-drawer{display:none !important}
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;cursor:pointer;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,filter .18s ease;
}
.btn-primary{
  background:linear-gradient(135deg,#35F2C0,#22C9A2);color:#04120E;
  box-shadow:0 0 0 1px rgba(53,242,192,.45),0 12px 30px -14px rgba(53,242,192,.85);
}
.btn-primary:hover{
  transform:translateY(-1px);filter:brightness(1.06);
  box-shadow:0 0 0 1px rgba(53,242,192,.85),0 18px 40px -14px rgba(53,242,192,.95);
}
.btn-ghost{
  background:rgba(53,242,192,.05);border-color:rgba(53,242,192,.45);color:var(--neon);
}
.btn-ghost:hover{background:rgba(53,242,192,.14);transform:translateY(-1px)}
.btn-sm{padding:9px 16px;font-size:14px;min-height:40px}
.btn:active{transform:translateY(0)}

/* ---------- badges & links ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  border:1px solid var(--line-strong);color:var(--muted);background:rgba(255,255,255,.03);
}
.badge-neon{color:var(--neon);border-color:rgba(53,242,192,.42);background:var(--neon-dim)}
.badge-violet{color:#C4B5FD;border-color:rgba(139,92,246,.45);background:rgba(139,92,246,.14)}
.badge-amber{color:#FFD48A;border-color:rgba(255,176,32,.42);background:rgba(255,176,32,.13)}
.link-more{color:var(--neon);font-size:14px;font-weight:600;white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.link-more:hover{gap:10px}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;z-index:0;background-size:cover;background-position:center;opacity:.55}
.hero-overlay{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(112deg,rgba(10,12,20,.97) 0%,rgba(10,12,20,.86) 42%,rgba(10,12,20,.62) 100%);
}
.hero-scan{
  position:absolute;inset:0;z-index:2;opacity:.08;pointer-events:none;
  background-image:radial-gradient(rgba(53,242,192,.9) 1px,transparent 1px);
  background-size:24px 24px;
}
.hero-inner{
  position:relative;z-index:3;
  display:grid;grid-template-columns:1fr;gap:40px;
  padding-top:52px;padding-bottom:56px;align-items:center;
}
@media (min-width:1024px){
  .hero-inner{grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:56px;min-height:600px;padding-top:72px;padding-bottom:72px}
}
.hero h1{
  font-size:clamp(28px,5vw,44px);line-height:1.28;font-weight:700;letter-spacing:.02em;
  margin:18px 0 16px;
}
.hero-sub{
  color:var(--muted);font-size:clamp(15px,1.6vw,17px);line-height:1.8;
  max-width:580px;margin:0 0 28px;
}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px}
@media (max-width:520px){.hero-btns .btn{width:100%}}
.hero-stats{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;
  margin-top:34px;padding-top:22px;border-top:1px solid var(--line);
}
@media (min-width:640px){.hero-stats{grid-template-columns:repeat(4,minmax(0,1fr))}}
.hero-stats .num{
  display:block;font-family:"Inter",system-ui,sans-serif;
  font-size:clamp(20px,2.6vw,26px);font-weight:700;line-height:1.2;color:var(--neon);
}
.hero-stats .lbl{font-size:13px;color:var(--weak);display:block;margin-top:4px}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;border-radius:20px;border:1px solid var(--line-strong);
  box-shadow:0 34px 70px -34px rgba(0,0,0,.95);
}
.float-card{
  position:absolute;left:-10px;bottom:22px;
  display:flex;align-items:center;gap:12px;
  padding:13px 18px;border-radius:14px;
  background:rgba(20,25,38,.94);border:1px solid var(--line-strong);
  backdrop-filter:blur(10px);box-shadow:0 22px 50px -24px rgba(0,0,0,.95);
}
.float-card .dot{
  width:9px;height:9px;border-radius:50%;background:var(--neon);
  box-shadow:0 0 12px var(--neon);flex:0 0 9px;
}
.float-card b{display:block;font-size:14px;font-weight:600}
.float-card span{font-size:12.5px;color:var(--weak)}
@media (max-width:640px){.float-card{left:8px;bottom:10px;padding:10px 14px}}

/* ---------- sections ---------- */
.section{padding:56px 0}
@media (min-width:768px){.section{padding:76px 0}}
@media (min-width:1024px){.section{padding:92px 0}}
.section-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:34px;flex-wrap:wrap;
}
.section-title{font-size:clamp(22px,3.4vw,32px);font-weight:700;letter-spacing:.02em;line-height:1.35}
.section-sub{color:var(--muted);font-size:15px;margin-top:10px;max-width:660px}
.section-head .head-right{display:flex;align-items:center;gap:12px}

/* ---------- channel grid ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:20px}
.ch-card{grid-column:span 12}
@media (min-width:900px){
  .ch-lg{grid-column:span 6}
  .ch-sm{grid-column:span 3}
  .ch-md{grid-column:span 4}
}
.card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-card);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.card:hover{
  transform:translateY(-3px);border-color:rgba(53,242,192,.5);
  box-shadow:0 0 0 1px rgba(53,242,192,.16),0 28px 52px -30px rgba(53,242,192,.6);
}
.card-accent{
  background:linear-gradient(158deg,rgba(53,242,192,.11),rgba(20,25,38,1) 58%),var(--panel);
  border-color:rgba(53,242,192,.34);
}
.card-accent::after{
  content:"推荐";position:absolute;top:14px;right:14px;z-index:2;
  padding:4px 10px;border-radius:var(--r-pill);font-size:11.5px;font-weight:700;letter-spacing:.06em;
  color:#04120E;background:linear-gradient(135deg,#35F2C0,#8BF7DE);
  box-shadow:0 0 16px -3px rgba(53,242,192,.9);
}
.card-media{
  position:relative;display:block;aspect-ratio:16/10;overflow:hidden;
  background:linear-gradient(135deg,#101623,#1D2436);border-bottom:1px solid var(--line);
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease}
.card:hover .card-media img{transform:scale(1.055)}
.card-body{display:flex;flex-direction:column;gap:10px;flex:1;padding:16px 18px 18px}
.card-title{font-size:19px;font-weight:600;line-height:1.45;letter-spacing:.02em}
.card-text{
  color:var(--muted);font-size:14.5px;line-height:1.72;
  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);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--weak);
}
.card-arrow{color:var(--neon);font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:gap .2s ease}
.card:hover .card-arrow{gap:10px}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.steps{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.steps{grid-template-columns:repeat(4,minmax(0,1fr))}}
.step{
  position:relative;padding:26px 22px 24px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-card);
  transition:border-color .22s ease,transform .22s ease;
}
.step::before{
  content:"";position:absolute;left:22px;top:0;width:46px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--neon),rgba(53,242,192,0));
}
.step:hover{border-color:rgba(53,242,192,.4);transform:translateY(-3px)}
.step-num{
  display:block;font-family:"Inter",system-ui,sans-serif;font-size:30px;font-weight:800;
  line-height:1;letter-spacing:.04em;color:rgba(53,242,192,.32);margin-bottom:14px;
}
.step h3{font-size:18px;font-weight:600;margin-bottom:8px;letter-spacing:.02em}
.step p{color:var(--muted);font-size:14.5px;line-height:1.75}

/* ---------- guard bar ---------- */
.guard-bar{
  display:grid;grid-template-columns:1fr;gap:1px;
  background:var(--line);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;
}
@media (min-width:560px){.guard-bar{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.guard-bar{grid-template-columns:repeat(4,minmax(0,1fr))}}
.guard-item{display:flex;gap:14px;align-items:flex-start;padding:24px 22px;background:var(--bg-2)}
.guard-item i{font-size:20px;color:var(--neon);margin-top:3px}
.guard-item:nth-child(even) i{color:#B49CFB}
.guard-item b{display:block;font-size:15.5px;font-weight:600;margin-bottom:5px}
.guard-item span{display:block;font-size:13.5px;color:var(--muted);line-height:1.7}

/* ---------- reviews ---------- */
.rail-head{display:flex;gap:10px}
.rail-btn{
  width:40px;height:40px;border-radius:50%;cursor:pointer;
  border:1px solid var(--line-strong);background:rgba(255,255,255,.03);
  color:var(--muted);display:grid;place-items:center;transition:.2s ease;
}
.rail-btn:hover{color:var(--neon);border-color:rgba(53,242,192,.5);background:rgba(53,242,192,.09)}
@media (max-width:900px){.rail-head{display:none}}
.review-rail{
  display:grid;grid-auto-flow:column;grid-auto-columns:86%;gap:18px;
  overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 14px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.review-rail::-webkit-scrollbar{display:none}
@media (min-width:640px){.review-rail{grid-auto-columns:56%}}
@media (min-width:768px){.review-rail{grid-auto-columns:42%}}
@media (min-width:1024px){.review-rail{grid-auto-columns:32%}}
.review-card{
  scroll-snap-align:start;display:flex;flex-direction:column;gap:12px;
  padding:22px 20px;border-radius:var(--r-card);
  background:var(--panel);border:1px solid var(--line);
  transition:border-color .22s ease,transform .22s ease;
}
.review-card:hover{border-color:rgba(53,242,192,.35);transform:translateY(-3px)}
.review-top{display:flex;align-items:center;gap:12px}
.avatar{
  width:40px;height:40px;flex:0 0 40px;border-radius:50%;display:grid;place-items:center;
  font-size:15px;font-weight:700;color:#04120E;
  background:linear-gradient(135deg,#35F2C0,#8B5CF6);
}
.review-name{font-size:14.5px;font-weight:600}
.stars{display:flex;gap:2px;font-size:12px;color:var(--neon)}
.review-text{
  color:var(--muted);font-size:14.5px;line-height:1.78;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.review-time{font-size:12.5px;color:var(--weak);margin-top:auto}

/* ---------- news / cms ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.news-card .card-title{font-size:17px}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--weak)}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  min-height:180px;padding:32px 20px;text-align:center;
  background:var(--bg-2);border:1px dashed var(--line-strong);border-radius:var(--r-card);
}
.empty-state i{font-size:26px;color:var(--weak)}
.empty-state p{color:var(--muted);font-size:14.5px}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto}
.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .22s ease}
.faq-item.is-open{border-color:rgba(53,242,192,.42)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:10px 20px;background:none;border:0;cursor:pointer;
  font-size:16px;font-weight:600;text-align:left;line-height:1.55;letter-spacing:.01em;
}
.faq-q:hover{color:var(--neon)}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--line-strong);color:var(--muted);font-size:12px;
  transition:transform .28s ease,color .28s ease,border-color .28s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--neon);border-color:rgba(53,242,192,.6)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a-inner{
  padding:2px 20px 20px 20px;margin-left:20px;border-left:2px solid var(--neon);
  color:var(--muted);font-size:14.5px;line-height:1.8;
}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;text-align:center;
  padding:46px 28px;border-radius:22px;
  border:1px solid rgba(53,242,192,.34);
  background:linear-gradient(140deg,rgba(53,242,192,.12),rgba(139,92,246,.16)),var(--panel);
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.07;
  background-image:radial-gradient(rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:22px 22px;
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:clamp(22px,3.4vw,30px);font-weight:700;letter-spacing:.02em;line-height:1.4}
.cta-band p{color:var(--muted);font-size:15px;max-width:660px;margin:14px auto 26px}
@media (min-width:768px){.cta-band{padding:58px 48px}}

/* ---------- footer ---------- */
.site-footer{position:relative;background:var(--bg-2);border-top:1px solid var(--line);margin-top:36px}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,242,192,.6),rgba(139,92,246,.5),transparent);
}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;padding:52px 0 34px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;margin-bottom:14px}
.footer-desc{color:var(--muted);font-size:14px;line-height:1.8;max-width:340px}
.footer-title{font-size:14px;font-weight:700;letter-spacing:.06em;color:var(--text);margin-bottom:16px}
.footer-list{display:grid;gap:10px}
.footer-list a{color:var(--muted);font-size:14px;display:inline-block;transition:color .2s ease,transform .2s ease}
.footer-list a:hover{color:var(--neon);transform:translateX(-2px)}
.footer-info{color:var(--muted);font-size:14px;line-height:1.85}
.footer-info b{color:var(--text);font-weight:600}
.footer-bottom{
  border-top:1px solid var(--line);padding:18px 0 24px;
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;
  color:var(--weak);font-size:13px;
}
.footer-bottom a{color:var(--weak)}
.footer-bottom a:hover{color:var(--neon)}

/* roulang page: article */
:root{
  --bg:#0A0C14;
  --bg-2:#0F131C;
  --panel:#141926;
  --panel-2:#171d2c;
  --neon:#35F2C0;
  --neon-soft:rgba(53,242,192,.12);
  --violet:#8B5CF6;
  --amber:#FFB020;
  --t1:#E9EEF7;
  --t2:#97A2B6;
  --t3:#5C6678;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --shadow:0 18px 40px -22px rgba(0,0,0,.85);
  --glow:0 0 0 1px rgba(53,242,192,.35), 0 0 26px -8px rgba(53,242,192,.45);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--t1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:.02em;}
p{margin:0;}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:768px){ .container{padding:0 32px;} }

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(10,12,20,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease, box-shadow .25s ease;
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,242,192,.65),rgba(139,92,246,.6),transparent);
  opacity:.7;
  pointer-events:none;
}
.site-header.is-scrolled{
  background:rgba(10,12,20,.94);
  box-shadow:0 16px 34px -26px rgba(0,0,0,.95);
}
.header-inner{
  height:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
@media (min-width:768px){ .header-inner{height:64px;} }

.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:32px;height:32px;
  display:grid;place-items:center;
  border-radius:9px;
  font-size:16px;font-weight:700;
  color:#04120e;
  background:linear-gradient(135deg,var(--neon),#5fe6ff 55%,var(--violet));
  box-shadow:0 0 18px -6px rgba(53,242,192,.8);
}
.brand-text{
  font-size:18px;
  font-weight:700;
  color:var(--t1);
  letter-spacing:.02em;
  white-space:nowrap;
}
@media (min-width:1024px){ .brand-text{font-size:19px;} }

.main-nav{display:none;}
@media (min-width:768px){
  .main-nav{
    display:flex;
    align-items:center;
    gap:6px;
  }
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 14px;
  border-radius:var(--r-sm);
  font-size:15px;
  color:var(--t2);
  transition:color .2s ease, background .2s ease;
}
.nav-link:hover{color:var(--t1);background:rgba(255,255,255,.04);}
.nav-link.is-active{color:var(--neon);}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:2px;border-radius:2px;
  background:var(--neon);
  box-shadow:0 0 10px rgba(53,242,192,.9);
}

.header-actions{display:flex;align-items:center;gap:10px;}
.header-cta{display:none;}
@media (min-width:768px){ .header-cta{display:inline-flex;} }

.nav-toggle{
  width:44px;height:44px;
  display:grid;place-items:center;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:rgba(255,255,255,.02);
}
.nav-toggle span{
  display:block;
  width:18px;height:1.6px;
  margin:3px auto;
  border-radius:2px;
  background:var(--t1);
  transition:transform .25s ease, opacity .2s ease;
}
.nav-toggle.is-active span:nth-child(1){transform:translateY(6.6px) rotate(45deg);}
.nav-toggle.is-active span:nth-child(2){opacity:0;}
.nav-toggle.is-active span:nth-child(3){transform:translateY(-6.6px) rotate(-45deg);}
@media (min-width:768px){ .nav-toggle{display:none;} }

.mobile-drawer{
  display:none;
  padding:10px 20px 22px;
  border-top:1px solid var(--line);
  background:rgba(15,19,28,.98);
}
.mobile-drawer.is-open{display:block;}
.drawer-link{
  display:block;
  padding:14px 4px;
  font-size:16px;
  color:var(--t2);
  border-bottom:1px solid var(--line);
}
.drawer-link:hover{color:var(--neon);}
.drawer-cta{width:100%;justify-content:center;margin-top:18px;}
@media (min-width:768px){ .mobile-drawer{display:none !important;} }

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 22px;
  border-radius:var(--r-sm);
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  border:1px solid transparent;
  transition:transform .18s ease, box-shadow .22s ease, background .22s ease, color .22s ease, border-color .22s ease;
}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
.btn-primary{
  color:#04140f;
  background:linear-gradient(135deg,#4bf5c6,#2fe0b4 60%,#26c9d6);
  box-shadow:0 0 0 1px rgba(53,242,192,.5), 0 10px 26px -14px rgba(53,242,192,.85);
}
.btn-primary:hover{
  filter:brightness(1.08);
  transform:translateY(-1px);
  box-shadow:0 0 0 1px rgba(53,242,192,.7), 0 14px 30px -12px rgba(53,242,192,.95);
}
.btn-ghost{
  color:var(--neon);
  border-color:rgba(53,242,192,.45);
  background:rgba(53,242,192,.04);
}
.btn-ghost:hover{
  background:rgba(53,242,192,.12);
  transform:translateY(-1px);
  box-shadow:0 0 22px -10px rgba(53,242,192,.9);
}
.btn-line{
  color:var(--t2);
  border-color:var(--line-strong);
  background:rgba(255,255,255,.02);
}
.btn-line:hover{color:var(--t1);border-color:rgba(53,242,192,.4);background:rgba(53,242,192,.06);}
.btn:active{transform:translateY(0);}
.btn:disabled{opacity:.4;filter:saturate(.4);box-shadow:none;cursor:not-allowed;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--neon);
  background:var(--neon-soft);
  border:1px solid rgba(53,242,192,.28);
}
.badge-violet{
  color:#c4b5fd;
  background:rgba(139,92,246,.14);
  border-color:rgba(139,92,246,.32);
}
.badge-amber{
  color:var(--amber);
  background:rgba(255,176,32,.12);
  border-color:rgba(255,176,32,.3);
}
.tag{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 14px;
  border-radius:999px;
  font-size:13px;
  color:var(--t2);
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.02);
  transition:color .2s ease, border-color .2s ease, background .2s ease;
}
.tag:hover{color:var(--neon);border-color:rgba(53,242,192,.4);background:rgba(53,242,192,.07);}

/* ============ 页头横幅 ============ */
.page-banner{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  background-color:var(--bg-2);
}
.page-banner::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  opacity:.30;
}
.page-banner::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(720px 300px at 12% 0%,rgba(53,242,192,.16),transparent 62%),
    radial-gradient(560px 280px at 92% 12%,rgba(139,92,246,.18),transparent 66%),
    linear-gradient(180deg,rgba(10,12,20,.72),rgba(10,12,20,.96));
}
.page-banner > .container{
  position:relative;
  z-index:2;
  padding-top:28px;
  padding-bottom:38px;
}
@media (min-width:768px){
  .page-banner > .container{padding-top:38px;padding-bottom:54px;}
}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--t3);
  margin-bottom:20px;
}
.breadcrumb a{color:var(--t2);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--neon);}
.breadcrumb .sep{color:var(--t3);}
.breadcrumb .current{
  color:var(--neon);
  max-width:min(100%,520px);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

.article-title{
  font-size:clamp(26px,4vw,38px);
  line-height:1.35;
  max-width:900px;
  margin-top:14px;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:18px;
  font-size:13px;
  color:var(--t2);
}
.article-meta .dot{
  width:4px;height:4px;border-radius:50%;
  background:var(--t3);
  display:inline-block;
}

/* ============ 主体布局 ============ */
.main-area{padding:48px 0 64px;}
@media (min-width:768px){ .main-area{padding:64px 0 80px;} }

.layout-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:40px;
}
@media (min-width:1024px){
  .layout-grid{
    grid-template-columns:minmax(0,1fr) 320px;
    gap:48px;
    align-items:start;
  }
}

.panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--shadow);
}
.panel-pad{padding:24px;}
@media (min-width:768px){ .panel-pad{padding:32px;} }

/* ============ 正文排版 ============ */
.article-body{
  max-width:820px;
  font-size:16px;
  line-height:1.9;
  color:var(--t1);
  word-break:break-word;
}
.article-body p{margin:0 0 1.2em;color:var(--t1);}
.article-body h2{
  position:relative;
  font-size:clamp(20px,2.6vw,26px);
  font-weight:700;
  line-height:1.45;
  margin:40px 0 16px;
  padding-left:14px;
}
.article-body h2::before{
  content:"";
  position:absolute;
  left:0;top:.22em;bottom:.22em;
  width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--neon),var(--violet));
  box-shadow:0 0 12px rgba(53,242,192,.55);
}
.article-body h3{
  font-size:18px;
  font-weight:600;
  margin:28px 0 12px;
  color:var(--t1);
}
.article-body h4{font-size:16px;font-weight:600;margin:22px 0 10px;color:var(--t1);}
.article-body ul,
.article-body ol{margin:0 0 1.2em;padding-left:1.4em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{line-height:1.85;margin-bottom:.5em;color:var(--t2);}
.article-body li::marker{color:var(--neon);}
.article-body strong{color:#fff;font-weight:600;}
.article-body em{color:var(--neon);font-style:normal;}
.article-body a{color:var(--neon);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:#7bffd6;}
.article-body blockquote{
  margin:24px 0;
  padding:16px 20px;
  border-left:3px solid var(--neon);
  border-radius:0 var(--r-md) var(--r-md) 0;
  background:rgba(53,242,192,.06);
  color:var(--t2);
  font-size:15px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{
  border-radius:var(--r-md);
  margin:24px auto;
  border:1px solid var(--line);
}
.article-body figure{margin:24px 0;}
.article-body figcaption{
  margin-top:10px;
  font-size:13px;
  color:var(--t3);
  text-align:center;
}
.article-body code{
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  font-size:14px;
  padding:2px 6px;
  border-radius:6px;
  color:var(--neon);
  background:rgba(53,242,192,.08);
  border:1px solid rgba(53,242,192,.16);
}
.article-body pre{
  margin:20px 0;
  padding:18px 20px;
  overflow-x:auto;
  border-radius:var(--r-md);
  background:#080a11;
  border:1px solid var(--line);
  color:#cfe6df;
  font-size:14px;
  line-height:1.75;
}
.article-body pre code{background:none;border:none;padding:0;color:inherit;}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:20px 0;
  font-size:14.5px;
}
.article-body th,
.article-body td{
  border:1px solid var(--line);
  padding:10px 14px;
  text-align:left;
  color:var(--t2);
}
.article-body th{background:rgba(255,255,255,.03);color:var(--t1);font-weight:600;}
.article-body hr{
  border:none;
  height:1px;
  margin:32px 0;
  background:linear-gradient(90deg,transparent,var(--line-strong),transparent);
}

/* ============ 空状态 ============ */
.empty-state{
  text-align:center;
  padding:64px 24px;
  border-radius:var(--r-lg);
  border:1px dashed var(--line-strong);
  background:var(--bg-2);
}
.empty-icon{
  width:56px;height:56px;
  margin:0 auto 18px;
  display:grid;place-items:center;
  border-radius:16px;
  border:1px solid rgba(53,242,192,.3);
  background:rgba(53,242,192,.07);
  color:var(--neon);
  font-size:24px;
  font-weight:700;
}
.empty-state h2{font-size:20px;margin-bottom:10px;}
.empty-state p{color:var(--t2);font-size:15px;margin-bottom:22px;}

/* ============ 侧栏 ============ */
.side-col{display:flex;flex-direction:column;gap:24px;}
@media (min-width:1024px){
  .side-col{position:sticky;top:88px;}
}
.side-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px;
  position:relative;
  overflow:hidden;
}
.side-card::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:2px;
  background:linear-gradient(180deg,var(--neon),rgba(139,92,246,.6));
}
.side-title{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:16px;
  font-weight:700;
  margin-bottom:16px;
}
.side-title span.line{
  flex:1;height:1px;
  background:linear-gradient(90deg,var(--line-strong),transparent);
}
.check-list li{
  position:relative;
  padding-left:22px;
  margin-bottom:12px;
  font-size:14.5px;
  line-height:1.75;
  color:var(--t2);
}
.check-list li::before{
  content:"";
  position:absolute;
  left:0;top:8px;
  width:8px;height:8px;
  border-radius:3px;
  background:rgba(53,242,192,.9);
  box-shadow:0 0 10px rgba(53,242,192,.7);
}
.mini-list li + li{margin-top:16px;}
.mini-link{display:block;group:1;}
.mini-link .mini-t{
  font-size:15px;
  color:var(--t1);
  line-height:1.6;
  transition:color .2s ease;
}
.mini-link:hover .mini-t{color:var(--neon);}
.mini-link .mini-d{
  display:block;
  margin-top:6px;
  font-size:13px;
  color:var(--t3);
}

/* ============ 文末区 ============ */
.article-foot{margin-top:40px;padding-top:28px;border-top:1px solid var(--line);}
.foot-label{
  font-size:13px;
  color:var(--t3);
  letter-spacing:.08em;
  margin-bottom:14px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}

.pager{
  display:grid;
  grid-template-columns:1fr;
  gap:14px;
  margin-top:32px;
}
@media (min-width:640px){ .pager{grid-template-columns:1fr 1fr;} }
.pager-card{
  display:block;
  padding:18px 20px;
  border-radius:var(--r-md);
  border:1px solid var(--line);
  background:var(--bg-2);
  transition:border-color .22s ease, transform .22s ease, background .22s ease;
}
.pager-card:hover{
  border-color:rgba(53,242,192,.42);
  background:rgba(53,242,192,.05);
  transform:translateY(-2px);
}
.pager-card .p-dir{font-size:13px;color:var(--t3);}
.pager-card .p-title{
  display:block;
  margin-top:8px;
  font-size:15.5px;
  font-weight:600;
  color:var(--t1);
}
.pager-card:hover .p-title{color:var(--neon);}

/* ============ 相关推荐 ============ */
.section{padding:56px 0;}
@media (min-width:768px){ .section{padding:72px 0;} }
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:32px;
}
.section-title{font-size:clamp(22px,3.4vw,30px);}
.section-sub{margin-top:10px;font-size:15px;color:var(--t2);max-width:640px;}
.link-more{
  font-size:14px;
  color:var(--neon);
  white-space:nowrap;
  border-bottom:1px solid rgba(53,242,192,.35);
  padding-bottom:2px;
  transition:border-color .2s ease,color .2s ease;
}
.link-more:hover{border-color:var(--neon);color:#7bffd6;}

.card-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:22px;
}
@media (min-width:640px){ .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));} }
@media (min-width:1024px){ .card-grid{grid-template-columns:repeat(3,minmax(0,1fr));} }

.card{
  display:flex;
  flex-direction:column;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--panel);
  overflow:hidden;
  transition:border-color .24s ease, transform .24s ease, box-shadow .24s ease;
}
.card:hover{
  border-color:rgba(53,242,192,.42);
  transform:translateY(-2px);
  box-shadow:var(--glow);
}
.card-media{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:linear-gradient(135deg,#101725,#1b1430);
}
.card-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.card:hover .card-media img{transform:scale(1.05);}
.card-media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(10,12,20,0) 40%,rgba(10,12,20,.72));
}
.card-body{
  display:flex;
  flex-direction:column;
  flex:1;
  padding:18px 20px 20px;
}
.card-title{
  font-size:17px;
  font-weight:600;
  line-height:1.55;
  margin-top:12px;
  transition:color .2s ease;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card:hover .card-title{color:var(--neon);}
.card-text{
  margin-top:10px;
  font-size:14.5px;
  line-height:1.75;
  color:var(--t2);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.card-foot{
  margin-top:auto;
  padding-top:16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--t3);
}
.card-arrow{color:var(--neon);transition:transform .22s ease;}
.card:hover .card-arrow{transform:translateX(3px);}

/* ============ CTA ============ */
.cta-block{
  position:relative;
  overflow:hidden;
  border-radius:20px;
  border:1px solid rgba(53,242,192,.3);
  background:
    radial-gradient(600px 260px at 8% 0%,rgba(53,242,192,.16),transparent 60%),
    radial-gradient(520px 260px at 96% 100%,rgba(139,92,246,.2),transparent 62%),
    var(--panel);
  padding:36px 26px;
}
@media (min-width:768px){ .cta-block{padding:52px 48px;} }
.cta-inner{
  display:flex;
  flex-direction:column;
  gap:24px;
}
@media (min-width:900px){
  .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;}
  .cta-text{max-width:660px;}
}
.cta-text h2{font-size:clamp(22px,3.2vw,30px);}
.cta-text p{margin-top:12px;font-size:15px;color:var(--t2);line-height:1.8;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
@media (max-width:520px){
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
}

/* ============ 保障条 ============ */
.assure-bar{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:var(--bg-2);
}
.assure-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
}
@media (min-width:900px){ .assure-grid{grid-template-columns:repeat(4,1fr);} }
.assure-item{
  padding:22px 18px;
  border-right:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
@media (min-width:900px){ .assure-item{border-bottom:none;} }
.assure-item .a-icon{
  width:24px;height:24px;
  display:grid;place-items:center;
  border-radius:7px;
  color:var(--neon);
  background:rgba(53,242,192,.1);
  font-size:13px;
  font-weight:700;
  margin-bottom:12px;
}
.assure-item h3{font-size:15px;font-weight:600;}
.assure-item p{margin-top:6px;font-size:13px;color:var(--t3);line-height:1.7;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  margin-top:0;
  background:#080a11;
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";
  position:absolute;
  left:0;right:0;top:-1px;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,242,192,.6),rgba(139,92,246,.55),transparent);
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:34px;
  padding:48px 0 36px;
}
@media (min-width:640px){ .footer-grid{grid-template-columns:1fr 1fr;} }
@media (min-width:1024px){ .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.3fr;} }
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:700;
  color:var(--t1);
}
.footer-desc{
  margin-top:16px;
  font-size:14px;
  line-height:1.85;
  color:var(--t2);
  max-width:340px;
}
.footer-title{
  font-size:15px;
  font-weight:600;
  color:var(--t1);
  margin-bottom:16px;
}
.footer-list li + li{margin-top:10px;}
.footer-list a{
  font-size:14px;
  color:var(--t2);
  transition:color .2s ease, transform .2s ease;
  display:inline-block;
}
.footer-list a:hover{color:var(--neon);transform:translateX(2px);}
.footer-info{font-size:14px;line-height:1.9;color:var(--t2);}
.footer-info b{color:var(--t1);font-weight:600;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:20px 0 28px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--t3);
}
@media (max-width:520px){
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --bg:#0A0C14;
  --bg-2:#0F131C;
  --panel:#141926;
  --panel-2:#1A2030;
  --neon:#35F2C0;
  --violet:#8B5CF6;
  --amber:#FFB020;
  --text:#E9EEF7;
  --muted:#97A2B6;
  --weak:#5C6678;
  --line:rgba(255,255,255,.08);
  --line-neon:rgba(53,242,192,.42);
  --radius-card:16px;
  --radius-btn:10px;
  --radius-pill:999px;
  --glow:0 0 0 1px rgba(53,242,192,.16), 0 22px 50px -30px rgba(53,242,192,.55);
  --shadow-card:0 24px 50px -34px rgba(0,0,0,.95);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
.site-body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
.site-body h1,.site-body h2,.site-body h3,.site-body h4,.site-body p,.site-body ul,.site-body ol,.site-body figure{margin:0;padding:0}
.site-body ul,.site-body ol{list-style:none}
.site-body img{display:block;max-width:100%;height:auto}
.site-body a{color:inherit;text-decoration:none}
.site-body button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
.site-body ::selection{background:rgba(53,242,192,.28);color:#fff}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.container{padding:0 32px}}

/* ---------- 顶栏导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,12,20,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(53,242,192,0) 0%,rgba(53,242,192,.75) 32%,rgba(139,92,246,.7) 68%,rgba(53,242,192,0) 100%);
  opacity:.7;
}
.site-header.is-scrolled{background:rgba(10,12,20,.96);box-shadow:0 18px 40px -30px rgba(0,0,0,.95)}
.header-inner{display:flex;align-items:center;gap:16px;height:56px}
@media(min-width:768px){.header-inner{height:64px;gap:28px}}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:17px;color:#06231C;
  background:linear-gradient(140deg,#35F2C0 0%,#4AD9FF 100%);
  box-shadow:0 0 0 1px rgba(53,242,192,.35), 0 12px 28px -16px rgba(53,242,192,.85);
}
.brand-text{font-size:16px;font-weight:700;letter-spacing:.02em;white-space:nowrap}
@media(min-width:768px){.brand-text{font-size:19px}}
.main-nav{display:none;align-items:center;gap:6px;margin-left:auto}
@media(min-width:768px){.main-nav{display:flex}}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;
  font-size:15px;color:var(--muted);border-radius:var(--radius-btn);
  transition:color .2s ease, background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.04)}
.nav-link:focus-visible{outline:2px solid var(--neon);outline-offset:2px}
.nav-link.is-active{color:var(--neon)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;border-radius:2px;
  background:var(--neon);box-shadow:0 0 12px rgba(53,242,192,.9);
}
.header-actions{display:none;align-items:center;gap:12px}
@media(min-width:768px){.header-actions{display:flex}}
.nav-toggle{
  margin-left:auto;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  background:rgba(255,255,255,.03);
}
@media(min-width:768px){.nav-toggle{display:none}}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-nav{display:none;padding:10px 0 18px;border-top:1px solid var(--line);background:rgba(10,12,20,.98)}
.mobile-nav.is-open{display:block}
@media(min-width:768px){.mobile-nav{display:none !important}}
.mobile-nav .mobile-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 4px;font-size:16px;color:var(--muted);
  border-bottom:1px solid var(--line);
}
.mobile-nav .mobile-link.is-active{color:var(--neon)}
.mobile-nav .btn{margin-top:16px;width:100%}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;transition:all .22s ease;white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--neon);outline-offset:2px}
.btn-primary{
  background:linear-gradient(135deg,#35F2C0 0%,#2BD3AB 100%);
  color:#05231B;
  box-shadow:0 0 0 1px rgba(53,242,192,.4), inset 0 0 20px rgba(255,255,255,.22), 0 16px 34px -20px rgba(53,242,192,.95);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(53,242,192,.55), inset 0 0 24px rgba(255,255,255,.3), 0 20px 40px -18px rgba(53,242,192,1)}
.btn-ghost{border-color:rgba(53,242,192,.45);color:var(--neon);background:rgba(53,242,192,.04)}
.btn-ghost:hover{background:rgba(53,242,192,.12);transform:translateY(-1px)}
.btn-amber{
  background:linear-gradient(135deg,#FFB020 0%,#FF9A1F 100%);color:#2A1900;
  box-shadow:0 0 0 1px rgba(255,176,32,.4), 0 16px 34px -22px rgba(255,176,32,.9);
}
.btn-amber:hover{filter:brightness(1.06);transform:translateY(-1px)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn:disabled,.btn.is-disabled{opacity:.4;filter:saturate(.4);box-shadow:none;cursor:not-allowed}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--radius-pill);
  font-size:13px;letter-spacing:.02em;
  border:1px solid rgba(53,242,192,.35);color:var(--neon);background:rgba(53,242,192,.08);
}
.badge-violet{border-color:rgba(139,92,246,.45);color:#C6B4FF;background:rgba(139,92,246,.12)}
.badge-amber{border-color:rgba(255,176,32,.42);color:#FFD48A;background:rgba(255,176,32,.1)}
.tag{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--radius-pill);
  font-size:12.5px;color:var(--muted);border:1px solid var(--line);background:rgba(255,255,255,.02);
}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--neon);box-shadow:0 0 10px rgba(53,242,192,.95)}

/* ---------- 板块基础 ---------- */
.section{padding:48px 0}
@media(min-width:768px){.section{padding:64px 0}}
@media(min-width:1024px){.section{padding:88px 0}}
.section-alt{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:32px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;
  color:var(--neon);text-transform:uppercase;font-family:"Inter",system-ui,sans-serif;
}
.section-title{font-size:clamp(22px,3.4vw,32px);font-weight:700;line-height:1.32;letter-spacing:.02em;margin-top:12px}
.section-desc{margin-top:12px;color:var(--muted);font-size:15.5px;line-height:1.8}

/* ---------- 内页 Banner ---------- */
.page-banner{
  position:relative;overflow:hidden;
  min-height:340px;display:flex;align-items:flex-end;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
@media(min-width:1024px){.page-banner{min-height:400px}}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,12,20,.82) 0%,rgba(10,12,20,.9) 55%,rgba(10,12,20,.98) 100%);
}
.page-banner::after{
  content:"";position:absolute;inset:0;opacity:.07;
  background-image:linear-gradient(rgba(53,242,192,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(53,242,192,.6) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(circle at 78% 30%,#000 0%,transparent 68%);
  -webkit-mask-image:radial-gradient(circle at 78% 30%,#000 0%,transparent 68%);
}
.banner-inner{position:relative;z-index:2;padding:48px 0 44px;width:100%}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--weak)}
.crumbs a{color:var(--muted);transition:color .2s ease}
.crumbs a:hover{color:var(--neon)}
.crumbs .sep{opacity:.55}
.crumbs .current{color:var(--neon)}
.page-title{
  font-size:clamp(28px,5vw,44px);font-weight:700;line-height:1.28;letter-spacing:.02em;
  margin-top:16px;max-width:20ch;
}
.page-sub{margin-top:14px;max-width:640px;color:var(--muted);font-size:16px;line-height:1.8}
.banner-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
@media(max-width:520px){
  .banner-actions .btn{width:100%}
}
.banner-stats{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;
  margin-top:32px;padding-top:24px;border-top:1px solid var(--line);
}
@media(min-width:768px){.banner-stats{grid-template-columns:repeat(4,minmax(0,1fr))}}
.stat-num{font-family:"Inter",system-ui,sans-serif;font-size:clamp(22px,3vw,30px);font-weight:700;color:var(--neon);line-height:1.2}
.stat-label{margin-top:4px;font-size:13px;color:var(--weak)}

/* ---------- 卡片 ---------- */
.card{
  position:relative;display:flex;flex-direction:column;height:100%;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.card:hover{transform:translateY(-2px);border-color:var(--line-neon);box-shadow:var(--glow)}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(140deg,#182034,#0F131C)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{display:flex;flex-direction:column;flex:1;padding:18px 20px 22px}
.card-title{font-size:18px;font-weight:600;line-height:1.45;letter-spacing:.01em}
.card-text{margin-top:10px;color:var(--muted);font-size:14.5px;line-height:1.8}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:18px}
.card-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--neon);font-weight:600}
.card-link svg{transition:transform .2s ease}
.card:hover .card-link svg{transform:translateX(3px)}
.card-accent{
  border-color:rgba(53,242,192,.38);
  box-shadow:0 0 0 1px rgba(53,242,192,.12), 0 24px 50px -32px rgba(53,242,192,.7);
}
.card-accent::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--neon),var(--violet));
}
.corner-tag{
  position:absolute;top:14px;right:14px;z-index:3;
}

/* ---------- 入口核对：信息条 ---------- */
.check-grid{display:grid;gap:16px;grid-template-columns:1fr}
@media(min-width:640px){.check-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.check-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.check-item{
  padding:22px 20px;border-radius:var(--radius-card);
  background:var(--panel);border:1px solid var(--line);
  border-top:1px solid rgba(53,242,192,.28);
  transition:border-color .25s ease, transform .25s ease;
}
.check-item:hover{border-color:var(--line-neon);transform:translateY(-2px)}
.check-index{font-family:"Inter",system-ui,sans-serif;font-size:13px;letter-spacing:.16em;color:var(--violet)}
.check-title{margin-top:10px;font-size:16.5px;font-weight:600}
.check-text{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- 流程时间轴 ---------- */
.flow-list{display:grid;gap:20px;grid-template-columns:1fr;counter-reset:flow}
@media(min-width:768px){.flow-list{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.flow-list{grid-template-columns:repeat(4,minmax(0,1fr))}}
.flow-step{
  position:relative;padding:24px 20px 22px;border-radius:var(--radius-card);
  background:linear-gradient(180deg,rgba(20,25,38,.95),rgba(15,19,28,.95));
  border:1px solid var(--line);
}
@media(min-width:1024px){
  .flow-step:not(:last-child)::after{
    content:"";position:absolute;top:44px;right:-20px;width:20px;height:1px;
    background:linear-gradient(90deg,rgba(53,242,192,.6),rgba(53,242,192,0));
  }
}
.flow-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;
  font-family:"Inter",system-ui,sans-serif;font-size:15px;font-weight:700;color:#06231C;
  background:linear-gradient(140deg,#35F2C0,#4AD9FF);
  box-shadow:0 12px 26px -18px rgba(53,242,192,.95);
}
.flow-title{margin-top:16px;font-size:17px;font-weight:600}
.flow-text{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.85}
.flow-tip{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);font-size:13px;color:var(--weak)}

/* ---------- 非对称卡片区 ---------- */
.asym-grid{display:grid;gap:20px;grid-template-columns:1fr}
@media(min-width:1024px){
  .asym-grid{grid-template-columns:repeat(12,minmax(0,1fr))}
  .asym-main{grid-column:span 7}
  .asym-side{grid-column:span 5;display:grid;gap:20px;grid-template-rows:1fr 1fr}
}
.asym-side .card{flex-direction:row}
.asym-side .card-media{width:42%;aspect-ratio:auto;min-height:100%}
@media(max-width:640px){
  .asym-side .card{flex-direction:column}
  .asym-side .card-media{width:100%;aspect-ratio:16/10}
}

/* ---------- 资料清单 ---------- */
.prep-list{display:grid;gap:14px}
.prep-row{
  display:flex;gap:14px;align-items:flex-start;padding:16px 18px;
  border-radius:14px;background:var(--panel-2);border:1px solid var(--line);
}
.prep-ico{
  flex:0 0 36px;width:36px;height:36px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:rgba(53,242,192,.1);border:1px solid rgba(53,242,192,.3);color:var(--neon);
}
.prep-ico svg{width:18px;height:18px}
.prep-name{font-size:15.5px;font-weight:600}
.prep-desc{margin-top:6px;font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- 保障条 ---------- */
.guard-bar{
  display:grid;grid-template-columns:1fr;gap:0;
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--bg-2);overflow:hidden;
}
@media(min-width:640px){.guard-bar{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.guard-bar{grid-template-columns:repeat(4,minmax(0,1fr))}}
.guard-item{display:flex;gap:12px;align-items:flex-start;padding:22px 20px;border-bottom:1px solid var(--line)}
@media(min-width:640px){
  .guard-item{border-right:1px solid var(--line)}
  .guard-item:nth-child(2n){border-right:0}
}
@media(min-width:1024px){
  .guard-item{border-bottom:0;border-right:1px solid var(--line)}
  .guard-item:nth-child(2n){border-right:1px solid var(--line)}
  .guard-item:last-child{border-right:0}
}
.guard-item svg{width:24px;height:24px;flex:0 0 24px;color:var(--neon)}
.guard-name{font-size:15px;font-weight:600}
.guard-text{margin-top:6px;font-size:13.5px;color:var(--weak);line-height:1.7}

/* ---------- FAQ ---------- */
.faq-wrap{border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;background:var(--panel)}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;
  min-height:56px;padding:16px 20px;text-align:left;font-size:16px;font-weight:600;
  color:var(--text);transition:background .2s ease,color .2s ease;
}
.faq-q:hover{background:rgba(255,255,255,.03);color:var(--neon)}
.faq-q:focus-visible{outline:2px solid var(--neon);outline-offset:-2px}
.faq-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(53,242,192,.35);color:var(--neon);
  transition:transform .3s ease, background .25s ease;
}
.faq-icon svg{width:14px;height:14px}
.faq-item.is-open .faq-icon{transform:rotate(90deg);background:rgba(53,242,192,.14)}
.faq-item.is-open .faq-q{color:var(--neon)}
.faq-panel{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a{
  padding:0 20px 20px 20px;margin-left:20px;
  border-left:2px solid rgba(53,242,192,.55);
  color:var(--muted);font-size:14.5px;line-height:1.9;
}
.faq-a p + p{margin-top:10px}

/* ---------- CTA ---------- */
.cta-block{
  position:relative;overflow:hidden;border-radius:20px;
  padding:40px 24px;text-align:center;
  background:linear-gradient(160deg,rgba(53,242,192,.1) 0%,rgba(139,92,246,.12) 100%),var(--panel);
  border:1px solid rgba(53,242,192,.3);
  box-shadow:0 0 0 1px rgba(53,242,192,.08), 0 40px 80px -50px rgba(53,242,192,.9);
}
@media(min-width:768px){.cta-block{padding:56px 48px}}
.cta-block h2{font-size:clamp(22px,3.4vw,30px);font-weight:700;letter-spacing:.02em}
.cta-block p{margin:14px auto 0;max-width:620px;color:var(--muted);font-size:15.5px;line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:26px}
@media(max-width:520px){.cta-actions .btn{width:100%}}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:0;background:#080A11;border-top:1px solid transparent;position:relative}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(53,242,192,0),rgba(53,242,192,.8),rgba(139,92,246,.75),rgba(53,242,192,0));
}
.footer-grid{display:grid;gap:32px;padding:48px 0 36px;grid-template-columns:1fr}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;padding:64px 0 44px}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700}
.footer-brand .brand-mark{width:32px;height:32px;flex:0 0 32px;font-size:16px;border-radius:10px}
.footer-desc{margin-top:14px;color:var(--muted);font-size:14px;line-height:1.85;max-width:340px}
.footer-title{font-size:15px;font-weight:600;letter-spacing:.04em;color:var(--text)}
.footer-list{margin-top:16px;display:grid;gap:10px}
.footer-list a{color:var(--muted);font-size:14px;transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-list a:hover{color:var(--neon);transform:translateX(2px)}
.footer-info{margin-top:16px;color:var(--muted);font-size:14px;line-height:1.9}
.footer-info b{color:var(--text);font-weight:600}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  padding:20px 0 28px;border-top:1px solid var(--line);
  color:var(--weak);font-size:13px;
}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:18px;bottom:22px;z-index:70;
  width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(20,25,38,.92);border:1px solid rgba(53,242,192,.35);color:var(--neon);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:all .28s ease;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:rgba(53,242,192,.14)}
.to-top svg{width:18px;height:18px}

/* roulang page: category2 */
:root{
  --bg:#0A0C14;
  --bg-2:#0F131C;
  --panel:#141926;
  --panel-2:#1A2030;
  --neon:#35F2C0;
  --neon-soft:#7CF7DA;
  --violet:#8B5CF6;
  --amber:#FFB020;
  --coral:#FF7A66;
  --text:#E9EEF7;
  --muted:#97A2B6;
  --faint:#5C6678;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(53,242,192,.35);
  --radius-card:16px;
  --radius-btn:10px;
  --radius-input:10px;
  --shadow-neon:0 12px 34px rgba(53,242,192,.20);
  --shadow-panel:0 18px 40px rgba(0,0,0,.45);
  --space-section:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
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{margin:0;}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1024px){.container{padding:0 32px;}}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,12,20,.82);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,242,192,.55),rgba(139,92,246,.45),transparent);
  pointer-events:none;
}
.site-header.is-scrolled{background:rgba(10,12,20,.95);box-shadow:0 12px 30px rgba(0,0,0,.5);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;letter-spacing:.02em;min-width:0;}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;display:grid;place-items:center;border-radius:10px;
  background:linear-gradient(135deg,var(--neon),var(--violet));
  color:#06121A;font-weight:800;font-size:17px;
  box-shadow:0 0 18px rgba(53,242,192,.35);
}
.brand-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.main-nav{display:none;align-items:center;gap:28px;}
@media (min-width:768px){.main-nav{display:flex;}}
.nav-link{position:relative;font-size:15px;color:var(--muted);padding:20px 0;transition:color .2s ease;white-space:nowrap;}
.nav-link:hover{color:var(--text);}
.nav-link.is-active{color:var(--neon);}
.nav-link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;border-radius:2px;
  background:var(--neon);box-shadow:0 0 10px var(--neon);
}
.header-actions{display:flex;align-items:center;gap:10px;}
.header-cta{display:none;}
@media (min-width:768px){.header-cta{display:inline-flex;}}
.menu-toggle{
  display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;
  border:1px solid var(--line);border-radius:10px;color:var(--text);transition:border-color .2s,color .2s;
}
.menu-toggle:hover{border-color:var(--line-strong);color:var(--neon);}
@media (min-width:768px){.menu-toggle{display:none;}}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:rgba(15,19,28,.98);}
.mobile-drawer.is-open{display:block;}
@media (min-width:768px){.mobile-drawer{display:none!important;}}
.mobile-drawer ul{padding:12px 20px 20px;display:flex;flex-direction:column;gap:4px;}
.mobile-drawer a{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:10px;
  color:var(--muted);font-size:15px;border-left:2px solid transparent;transition:.2s;
}
.mobile-drawer a:hover,.mobile-drawer a.is-active{
  color:var(--neon);background:rgba(53,242,192,.08);border-left-color:var(--neon);
}
.mobile-drawer .drawer-cta{margin-top:8px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#35F2C0,#1FC79E);color:#05130E;
  box-shadow:0 0 0 1px rgba(53,242,192,.4),0 10px 26px rgba(53,242,192,.18);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(53,242,192,.65),0 14px 32px rgba(53,242,192,.32);}
.btn-ghost{border-color:rgba(53,242,192,.45);color:var(--neon);background:rgba(53,242,192,.05);}
.btn-ghost:hover{background:rgba(53,242,192,.14);transform:translateY(-1px);}
.btn-amber{
  background:linear-gradient(135deg,#FFB020,#F0930D);color:#1A1206;
  box-shadow:0 10px 26px rgba(255,176,32,.22);
}
.btn-amber:hover{transform:translateY(-1px);box-shadow:0 14px 32px rgba(255,176,32,.34);}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 页头横幅 ---------- */
.page-banner{
  position:relative;overflow:hidden;
  padding:52px 0 46px;
  background:#0A0C14 url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,12,20,.86),rgba(10,12,20,.94) 62%,rgba(10,12,20,1));
}
.page-banner::after{
  content:"";position:absolute;inset:0;opacity:.07;
  background-image:radial-gradient(rgba(139,92,246,.9) 1px,transparent 1px);
  background-size:22px 22px;
}
.page-banner .container{position:relative;z-index:2;}
.breadcrumb{font-size:13px;color:var(--faint);display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb a{color:var(--muted);transition:color .2s;}
.breadcrumb a:hover{color:var(--neon);}
.breadcrumb .current{color:var(--neon);}
.banner-tag{
  display:inline-flex;align-items:center;gap:8px;margin:18px 0 14px;
  padding:6px 14px;border-radius:999px;font-size:13px;
  color:var(--neon);background:rgba(53,242,192,.10);border:1px solid rgba(53,242,192,.28);
}
.banner-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--neon);box-shadow:0 0 8px var(--neon);}
.page-banner h1{
  font-size:clamp(28px,5vw,42px);line-height:1.3;font-weight:700;letter-spacing:.02em;max-width:900px;
}
.banner-sub{margin-top:16px;font-size:16px;color:var(--muted);max-width:760px;line-height:1.8;}
.banner-stats{
  margin-top:28px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;
  max-width:640px;
}
@media (min-width:768px){.banner-stats{grid-template-columns:repeat(3,minmax(0,1fr));}}
.banner-stat{border-left:2px solid rgba(53,242,192,.45);padding-left:12px;}
.banner-stat b{display:block;font-size:22px;font-weight:700;color:var(--neon);letter-spacing:.01em;}
.banner-stat span{font-size:13px;color:var(--muted);}

/* ---------- 通用板块 ---------- */
.section{padding:56px 0;}
@media (min-width:768px){.section{padding:72px 0;}}
@media (min-width:1024px){.section{padding:var(--space-section) 0;}}
.section-head{margin-bottom:32px;max-width:760px;}
.section-title{font-size:clamp(22px,3.4vw,30px);font-weight:700;line-height:1.4;letter-spacing:.02em;}
.section-desc{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.85;}
.eyebrow{
  display:inline-block;font-size:13px;color:var(--violet);letter-spacing:.08em;
  margin-bottom:12px;text-transform:none;
}

/* ---------- 双栏布局 ---------- */
.layout-grid{display:grid;grid-template-columns:1fr;gap:28px;}
@media (min-width:1024px){
  .layout-grid{grid-template-columns:236px minmax(0,1fr);gap:48px;align-items:start;}
}
.anchor-panel{
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--panel);padding:16px;
}
@media (min-width:1024px){
  .anchor-panel{position:sticky;top:88px;}
}
.anchor-panel h2{font-size:14px;color:var(--faint);letter-spacing:.08em;margin-bottom:10px;font-weight:600;}
.anchor-list{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;}
.anchor-list::-webkit-scrollbar{display:none;}
@media (min-width:1024px){
  .anchor-list{display:block;overflow:visible;padding-bottom:0;}
}
.anchor-list a{
  display:block;flex:0 0 auto;padding:9px 12px;border-radius:10px;font-size:14px;color:var(--muted);
  border-left:2px solid transparent;transition:.2s;white-space:nowrap;
}
.anchor-list a:hover{color:var(--neon);background:rgba(53,242,192,.08);border-left-color:var(--neon);}
.anchor-note{margin-top:16px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--faint);line-height:1.7;}
.content-col{min-width:0;display:flex;flex-direction:column;gap:48px;}

/* ---------- 概览卡 ---------- */
.summary-card{
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:linear-gradient(160deg,var(--panel) 0%,var(--bg-2) 100%);
  padding:24px;position:relative;overflow:hidden;
}
.summary-card::before{
  content:"";position:absolute;left:0;top:0;width:3px;height:64px;
  background:linear-gradient(180deg,var(--neon),transparent);
}
.summary-card h2{font-size:20px;font-weight:700;margin-bottom:12px;}
.summary-card p{color:var(--muted);font-size:15px;line-height:1.9;}
.summary-card p + p{margin-top:12px;}

/* ---------- 对照卡组 ---------- */
.compare-grid{display:grid;grid-template-columns:1fr;gap:16px;}
@media (min-width:768px){.compare-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
.compare-row{
  display:flex;gap:14px;align-items:flex-start;
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--panel);padding:18px;
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.compare-row:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow-neon);}
.compare-icon{
  width:44px;height:44px;flex:0 0 44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(53,242,192,.10);color:var(--neon);border:1px solid rgba(53,242,192,.24);
  font-size:18px;
}
.compare-row.is-violet .compare-icon{background:rgba(139,92,246,.12);color:#B79BFF;border-color:rgba(139,92,246,.3);}
.compare-body h3{font-size:16px;font-weight:600;margin-bottom:6px;}
.compare-body p{font-size:14px;color:var(--muted);line-height:1.8;}

/* ---------- 风险提示条 ---------- */
.alert-bar{
  display:flex;gap:14px;align-items:flex-start;
  border:1px solid rgba(255,176,32,.38);border-left:3px solid var(--amber);
  background:rgba(255,176,32,.06);border-radius:14px;padding:18px 20px;
}
.alert-icon{
  width:40px;height:40px;flex:0 0 40px;border-radius:10px;display:grid;place-items:center;
  background:rgba(255,122,102,.12);color:var(--coral);border:1px solid rgba(255,122,102,.32);font-size:17px;
}
.alert-bar h2{font-size:16px;font-weight:700;color:#FFD9A3;margin-bottom:8px;}
.alert-bar ul{display:flex;flex-direction:column;gap:8px;}
.alert-bar li{font-size:14px;color:var(--muted);line-height:1.8;padding-left:14px;position:relative;}
.alert-bar li::before{
  content:"";position:absolute;left:0;top:10px;width:5px;height:5px;border-radius:50%;background:var(--amber);
}

/* ---------- 图文交错块 ---------- */
.media-block{
  display:grid;grid-template-columns:1fr;gap:22px;align-items:center;
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--bg-2);padding:20px;
}
@media (min-width:768px){.media-block{grid-template-columns:1fr 1fr;gap:32px;padding:24px;}}
.media-figure{position:relative;border-radius:12px;overflow:hidden;}
.media-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease;}
.media-block:hover .media-figure img{transform:scale(1.04);}
.media-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,12,20,.05),rgba(10,12,20,.6));
}
.media-block.is-reverse .media-figure{order:2;}
@media (max-width:767px){.media-block.is-reverse .media-figure{order:0;}}
.media-body h3{font-size:19px;font-weight:700;margin-bottom:10px;line-height:1.5;}
.media-body p{font-size:15px;color:var(--muted);line-height:1.9;}
.check-list{margin-top:14px;display:flex;flex-direction:column;gap:8px;}
.check-list li{display:flex;gap:10px;font-size:14px;color:var(--muted);line-height:1.8;}
.check-list li::before{
  content:"✓";color:var(--neon);font-size:13px;line-height:1.9;flex:0 0 auto;
}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  border:1px solid var(--line);border-radius:14px;background:var(--panel);
  overflow:hidden;transition:border-color .22s ease;
}
.faq-item.is-open{border-color:var(--line-strong);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:0 18px;text-align:left;font-size:15px;font-weight:600;color:var(--text);
  transition:color .2s ease;
}
.faq-q:hover{color:var(--neon);}
.faq-plus{
  position:relative;width:18px;height:18px;flex:0 0 18px;transition:transform .28s ease;color:var(--neon);
}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;transform:translate(-50%,-50%);
}
.faq-plus::before{width:14px;height:2px;}
.faq-plus::after{width:2px;height:14px;}
.faq-item.is-open .faq-plus{transform:rotate(90deg);}
.faq-item.is-open .faq-plus::after{opacity:0;}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .32s ease;
  border-left:2px solid var(--neon);margin:0 18px 0 18px;
}
.faq-a p{padding:0 0 18px 14px;font-size:14.5px;color:var(--muted);line-height:1.9;}

/* ---------- 下一步入口 ---------- */
.next-grid{display:grid;grid-template-columns:1fr;gap:16px;}
@media (min-width:640px){.next-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.next-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.next-card{
  display:flex;flex-direction:column;gap:10px;
  border:1px solid var(--line);border-radius:var(--radius-card);background:var(--panel);
  padding:22px;transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.next-card:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--shadow-neon);}
.next-card .badge{
  align-self:flex-start;font-size:12px;padding:4px 10px;border-radius:999px;
  color:var(--neon);background:rgba(53,242,192,.10);border:1px solid rgba(53,242,192,.26);
}
.next-card h3{font-size:17px;font-weight:600;}
.next-card p{font-size:14px;color:var(--muted);line-height:1.8;flex:1;}
.next-arrow{font-size:14px;color:var(--neon);font-weight:600;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border:1px solid rgba(53,242,192,.28);
  border-radius:20px;
  background:linear-gradient(135deg,rgba(53,242,192,.10),rgba(139,92,246,.14) 60%,rgba(10,12,20,.9));
  padding:36px 24px;
}
@media (min-width:768px){.cta-band{padding:48px 44px;}}
.cta-band::before{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(53,242,192,.22),transparent 65%);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-direction:column;gap:22px;}
@media (min-width:1024px){
  .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:40px;}
}
.cta-inner h2{font-size:clamp(20px,3vw,28px);font-weight:700;line-height:1.45;max-width:620px;}
.cta-inner p{margin-top:10px;font-size:15px;color:var(--muted);max-width:620px;line-height:1.85;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
@media (max-width:520px){.cta-actions .btn{width:100%;}}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:24px;background:var(--bg-2);position:relative;
  border-top:1px solid transparent;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(53,242,192,.6),rgba(139,92,246,.5),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:32px;padding:52px 0 36px;
}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;}
.footer-desc{margin-top:14px;font-size:14px;color:var(--muted);line-height:1.85;max-width:340px;}
.footer-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:14px;letter-spacing:.04em;}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-list a{font-size:14px;color:var(--muted);transition:color .2s ease,transform .2s ease;display:inline-block;}
.footer-list a:hover{color:var(--neon);transform:translateX(2px);}
.footer-info{font-size:14px;color:var(--muted);line-height:1.9;}
.footer-info b{color:var(--text);font-weight:600;}
.footer-bottom{
  border-top:1px solid var(--line);padding:18px 0 26px;display:flex;flex-wrap:wrap;gap:10px;
  align-items:center;justify-content:space-between;font-size:13px;color:var(--faint);
}
@media (max-width:520px){
  .banner-stats{grid-template-columns:1fr 1fr;}
  .page-banner{padding:40px 0 36px;}
  .btn{min-height:46px;}
}