/* roulang page: index */
:root{
  --bg-0:#070B12;--bg-1:#0B1220;--bg-2:#101A2C;
  --brand:#2BE0C4;--brand-hi:#5CF2D8;--brand-deep:#17A88F;
  --accent:#FFB454;--violet:#8B7BFF;
  --tx-1:#E8EEF7;--tx-2:#9AA8BC;--tx-3:#67748A;
  --ok:#34D399;--warn:#FF7A7A;
  --glass:rgba(255,255,255,.045);
  --glass-line:rgba(255,255,255,.09);
  --r-sm:10px;--r-md:14px;--r-lg:20px;--r-xl:28px;
  --sh-card:0 24px 60px -28px rgba(0,0,0,.7);
  --sh-glow:0 0 0 1px rgba(43,224,196,.28),0 10px 30px -10px rgba(43,224,196,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg-0);color:var(--tx-2);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.8;letter-spacing:-.01em;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.06;
  background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:40px 40px;
}
body::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(900px 620px at 6% -8%,rgba(43,224,196,.14),transparent 62%),
    radial-gradient(760px 540px at 102% 6%,rgba(255,180,84,.10),transparent 60%),
    radial-gradient(700px 700px at 60% 110%,rgba(139,123,255,.08),transparent 65%);
}
header,main,footer{position:relative;z-index:1}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--tx-1);font-weight:700;letter-spacing:-.02em;line-height:1.28}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid rgba(43,224,196,.75);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:96px 0;position:relative}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.section-head h2{font-size:clamp(23px,3vw,33px);font-weight:650;position:relative;padding-left:16px}
.section-head h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:1em;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--brand-deep));
  box-shadow:0 0 12px rgba(43,224,196,.6);
}
.section-desc{margin-top:16px;font-size:15.5px;color:var(--tx-2);max-width:760px;line-height:1.85}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;
  color:var(--brand);padding:6px 14px;border-radius:999px;
  border:1px solid rgba(43,224,196,.28);background:rgba(43,224,196,.08);letter-spacing:.02em;
}
.glass{
  position:relative;background:var(--glass);border:1px solid var(--glass-line);
  border-radius:var(--r-lg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:var(--sh-card);overflow:hidden;
}
.glass::before{
  content:"";position:absolute;inset:0 0 auto 0;height:1px;pointer-events:none;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);opacity:.55;
}
.tag{
  display:inline-flex;align-items:center;width:fit-content;font-size:12.5px;font-weight:500;
  color:var(--brand);background:rgba(43,224,196,.1);border:1px solid rgba(43,224,196,.24);
  border-radius:999px;padding:4px 12px;letter-spacing:.02em;
}
.tag-violet{color:#BDB4FF;background:rgba(139,123,255,.12);border-color:rgba(139,123,255,.28)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:999px;font-size:15px;font-weight:600;
  letter-spacing:.01em;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease);
}
.btn-primary{background:linear-gradient(120deg,#2BE0C4,#17A88F);color:#04120F;box-shadow:var(--sh-glow)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(43,224,196,.42),0 16px 40px -12px rgba(43,224,196,.6)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-ghost{border:1px solid rgba(255,255,255,.16);color:var(--tx-1);background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.06);transform:translateY(-1px);border-color:rgba(255,255,255,.28)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}

.text-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);
  font-size:14.5px;font-weight:600;transition:color .2s var(--ease);
}
.text-link span{transition:transform .2s var(--ease)}
.text-link:hover{color:var(--brand-hi)}
.text-link:hover span{transform:translateX(3px)}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;height:68px;display:flex;align-items:center;
  border-bottom:1px solid transparent;
  transition:background .28s var(--ease),border-color .28s var(--ease),backdrop-filter .28s var(--ease);
}
.site-header.scrolled{
  background:rgba(7,11,18,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom-color:rgba(255,255,255,.07);
}
.nav-inner{display:flex;align-items:center;gap:20px;width:100%}
.brand{display:flex;flex-direction:column;gap:2px;line-height:1.1;flex:none}
.brand-row{display:flex;align-items:center;gap:7px;font-size:17px;font-weight:700;color:var(--tx-1);letter-spacing:-.01em}
.brand-row i{display:block;width:1px;height:14px;background:rgba(43,224,196,.55)}
.brand-row .b-ayx{color:var(--brand)}
.brand-sub{font-size:11px;color:var(--tx-3);letter-spacing:.1em}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:10px}
.nav-link{
  position:relative;padding:8px 13px;font-size:15px;font-weight:500;color:var(--tx-2);
  border-radius:var(--r-sm);transition:color .2s var(--ease),background .2s var(--ease);
}
.nav-link:hover{color:var(--tx-1);background:rgba(255,255,255,.05)}
.nav-link.active{color:var(--brand)}
.nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 10px rgba(43,224,196,.9);
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.cmd-search{
  display:flex;align-items:center;gap:9px;width:244px;height:40px;padding:0 12px;
  border-radius:12px;background:var(--glass);border:1px solid var(--glass-line);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.cmd-search i{font-size:13px;color:var(--tx-3)}
.cmd-search input{flex:1;min-width:0;background:none;border:0;outline:none;font-size:14px;color:var(--tx-1)}
.cmd-search input::placeholder{color:var(--tx-3)}
.cmd-search:focus-within{border-color:rgba(43,224,196,.6);box-shadow:0 0 0 3px rgba(43,224,196,.13)}
.kbd{
  font-size:11px;color:var(--tx-3);border:1px solid rgba(255,255,255,.12);
  border-radius:6px;padding:1px 6px;background:rgba(255,255,255,.045);white-space:nowrap;
}
.icon-btn{
  width:40px;height:40px;display:grid;place-items:center;border-radius:12px;
  border:1px solid var(--glass-line);background:var(--glass);color:var(--tx-2);font-size:15px;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(43,224,196,.42);background:rgba(43,224,196,.08)}
.nav-toggle{
  display:none;width:40px;height:40px;place-items:center;border-radius:12px;
  border:1px solid var(--glass-line);background:var(--glass);color:var(--tx-2);font-size:15px;
}
.nav-toggle:hover{color:var(--brand);border-color:rgba(43,224,196,.42)}

/* drawer */
.drawer-mask{
  position:fixed;inset:0;z-index:90;background:rgba(7,11,18,.7);
  backdrop-filter:blur(4px);opacity:0;visibility:hidden;transition:opacity .28s var(--ease),visibility .28s var(--ease);
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:100;width:min(320px,86vw);
  background:var(--bg-1);border-left:1px solid var(--glass-line);
  transform:translateX(100%);transition:transform .32s var(--ease);
  padding:22px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-title{font-size:15px;font-weight:600;color:var(--tx-1)}
.drawer-link{
  position:relative;display:block;padding:12px 14px;border-radius:var(--r-sm);
  font-size:15px;color:var(--tx-2);transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer-link:hover{background:rgba(255,255,255,.05);color:var(--tx-1)}
.drawer-link.active{color:var(--brand);background:rgba(43,224,196,.08)}
.drawer-link.active::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 10px rgba(43,224,196,.8);
}
.drawer-search{
  display:flex;align-items:center;gap:9px;height:44px;padding:0 12px;margin:10px 0 16px;
  border-radius:12px;background:var(--glass);border:1px solid var(--glass-line);
}
.drawer-search input{flex:1;min-width:0;background:none;border:0;outline:none;font-size:14.5px;color:var(--tx-1)}

/* ============ hero ============ */
.hero{position:relative;padding:104px 0 84px;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;z-index:0;background-size:cover;background-position:center;
  background-image:url('/assets/images/backpic/back-1.png');opacity:.16;
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background:linear-gradient(180deg,rgba(7,11,18,.5) 0%,rgba(7,11,18,.85) 58%,var(--bg-0) 100%);
}
.hero-grid{
  position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:52px;align-items:center;
}
.hero h1{font-size:clamp(29px,4.2vw,50px);line-height:1.2;margin:20px 0 18px;font-weight:700}
.hero-sub{font-size:17px;line-height:1.85;color:var(--tx-2);max-width:580px}
.hero-cta{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:30px;font-size:13.5px;color:var(--tx-3)}
.hero-trust span{display:inline-flex;align-items:center;gap:8px}
.hero-trust span::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);
  box-shadow:0 0 8px rgba(43,224,196,.85);flex:none;
}
.hero-panel{padding:26px;border-radius:var(--r-xl)}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:8px}
.panel-title{font-size:15px;font-weight:600;color:var(--tx-1)}
.live{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--ok);white-space:nowrap}
.live::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--ok);flex:none;
  animation:pulse 2.2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(52,211,153,.55)}
  70%{box-shadow:0 0 0 10px rgba(52,211,153,0)}
  100%{box-shadow:0 0 0 0 rgba(52,211,153,0)}
}
.pm{display:flex;align-items:center;gap:16px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.06)}
.pm:last-of-type{border-bottom:0}
.ring{
  position:relative;flex:none;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;
  background:conic-gradient(var(--brand) calc(var(--p) * 1%),rgba(255,255,255,.08) 0);
  box-shadow:0 0 18px -4px rgba(43,224,196,.5);
}
.ring::after{content:"";position:absolute;inset:5px;border-radius:50%;background:var(--bg-2)}
.ring span{position:relative;z-index:1;font-size:12.5px;font-weight:600;color:var(--tx-1);font-variant-numeric:tabular-nums}
.pm-label{font-size:15px;font-weight:600;color:var(--tx-1)}
.pm-hint{font-size:13px;color:var(--tx-3);margin-top:2px}
.panel-foot{
  margin-top:14px;padding-top:16px;border-top:1px solid rgba(255,255,255,.07);
  font-size:13px;color:var(--tx-3);display:flex;align-items:flex-start;gap:9px;line-height:1.7;
}
.panel-foot i{color:var(--brand);font-size:13px;margin-top:4px}

/* ============ stat band ============ */
.stat-band{
  border-top:1px solid rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.06);
  background:linear-gradient(180deg,rgba(16,26,44,.62),rgba(11,18,32,.28));
}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:46px 0}
.stat-item{padding-right:20px;border-right:1px solid rgba(255,255,255,.06)}
.stat-item:last-child{border-right:0;padding-right:0}
.stat-num{
  font-size:clamp(32px,4vw,50px);font-weight:700;color:var(--tx-1);line-height:1.15;
  font-variant-numeric:tabular-nums;text-shadow:0 0 20px rgba(43,224,196,.25);
}
.stat-num small{font-size:16px;font-weight:600;color:var(--tx-2);margin-left:4px;text-shadow:none}
.stat-label{font-size:14px;color:var(--tx-2);margin-top:8px}
.stat-delta{
  display:inline-flex;align-items:center;gap:5px;margin-top:10px;font-size:12.5px;
  color:var(--accent);font-weight:600;letter-spacing:.02em;
}

/* ============ matrix ============ */
.matrix{display:grid;grid-template-columns:1.4fr 1fr 1fr;grid-template-rows:auto auto;gap:24px;margin-top:44px}
.m-card{
  padding:26px;display:flex;flex-direction:column;gap:12px;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.m-card:hover{
  transform:translateY(-4px);border-color:rgba(43,224,196,.35);
  box-shadow:0 24px 60px -28px rgba(0,0,0,.85),0 0 0 1px rgba(43,224,196,.22);
}
.m-card.lg{grid-row:span 2;padding:28px}
.m-cover{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-md)}
.m-icon{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;font-size:16px;
  color:var(--brand);background:rgba(43,224,196,.1);border:1px solid rgba(43,224,196,.22);
}
.m-card h3{font-size:19px;font-weight:600;line-height:1.4}
.m-card p{font-size:14.8px;line-height:1.8;color:var(--tx-2)}
.m-card .text-link{margin-top:auto;padding-top:8px}

/* ============ compare ============ */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:44px}
.cmp-col{padding:28px;border-radius:var(--r-lg)}
.cmp-col.muted{background:rgba(255,255,255,.028);border:1px solid rgba(255,255,255,.07)}
.cmp-col.hi{
  border:1px solid rgba(43,224,196,.3);
  background:linear-gradient(180deg,rgba(43,224,196,.075),rgba(255,255,255,.03));
  box-shadow:0 0 0 1px rgba(43,224,196,.1),0 24px 60px -30px rgba(43,224,196,.4);
}
.cmp-head{display:flex;align-items:center;gap:10px;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.08);margin-bottom:6px}
.cmp-head h3{font-size:17px;font-weight:600}
.cmp-head .dot{width:9px;height:9px;border-radius:50%;flex:none}
.cmp-col.muted .dot{background:var(--tx-3)}
.cmp-col.hi .dot{background:var(--brand);box-shadow:0 0 10px rgba(43,224,196,.9)}
.cmp-row{display:flex;gap:12px;padding:14px 0;font-size:15px;line-height:1.75;border-bottom:1px dashed rgba(255,255,255,.075)}
.cmp-row:last-child{border-bottom:0}
.cmp-row .mark{
  flex:none;width:20px;height:20px;border-radius:6px;display:grid;place-items:center;
  font-size:11px;font-weight:700;margin-top:4px;
}
.cmp-col.muted .mark{background:rgba(255,255,255,.06);color:var(--tx-3)}
.cmp-col.hi .mark{background:rgba(43,224,196,.16);color:var(--brand)}
.cmp-col.hi .cmp-row{color:var(--tx-1)}

/* ============ news ============ */
.grid-news{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.news-card{
  display:flex;flex-direction:column;border-radius:var(--r-lg);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.news-card:hover{
  transform:translateY(-4px);border-color:rgba(43,224,196,.32);
  box-shadow:0 24px 60px -28px rgba(0,0,0,.85),0 0 0 1px rgba(43,224,196,.2);
}
.news-cover-link{display:block;overflow:hidden}
.news-cover{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s var(--ease)}
.news-card:hover .news-cover{transform:scale(1.04)}
.news-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-title{
  font-size:16.8px;font-weight:600;color:var(--tx-1);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-title a:hover{color:var(--brand)}
.news-desc{
  font-size:14.5px;line-height:1.75;color:var(--tx-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:14px;border-top:1px solid rgba(255,255,255,.06);
  font-size:13px;color:var(--tx-3);
}
.news-meta .arrow-link{
  width:30px;height:30px;border-radius:50%;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.12);color:var(--brand);font-size:12px;
  transition:background .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.news-meta .arrow-link:hover{background:rgba(43,224,196,.14);border-color:rgba(43,224,196,.5);transform:translateX(2px)}
.empty-state{
  grid-column:1 / -1;padding:52px 24px;text-align:center;border-radius:var(--r-lg);
  border:1px dashed rgba(255,255,255,.16);background:rgba(255,255,255,.02);
  color:var(--tx-3);font-size:15px;
}
.empty-state i{display:block;font-size:22px;color:var(--tx-3);margin-bottom:12px;opacity:.7}

/* ============ faq ============ */
.faq-list{max-width:920px;margin:40px auto 0;display:flex;flex-direction:column;gap:12px}
.faq-item{
  border:1px solid var(--glass-line);border-radius:var(--r-md);background:var(--glass);
  backdrop-filter:blur(12px);overflow:hidden;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.faq-item[open]{border-color:rgba(43,224,196,.35);background:rgba(43,224,196,.05)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:19px 24px;font-size:17px;font-weight:600;color:var(--tx-1);
  cursor:pointer;list-style:none;
}
.faq-q::-webkit-details-marker{display:none}
.faq-q::after{
  content:"+";flex:none;font-size:20px;line-height:1;color:var(--brand);
  transition:transform .25s var(--ease);
}
.faq-item[open] .faq-q::after{transform:rotate(45deg)}
.faq-a{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--tx-2);max-width:820px}
.faq-a strong{color:var(--tx-1);font-weight:600}

/* ============ cta / form ============ */
.cta-section{padding:96px 0}
.cta-panel{
  border-radius:var(--r-xl);padding:44px;position:relative;overflow:hidden;
  background:linear-gradient(150deg,rgba(16,26,44,.9),rgba(11,18,32,.7));
  border:1px solid var(--glass-line);box-shadow:var(--sh-card);
}
.cta-panel::after{
  content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(43,224,196,.18),transparent 68%);pointer-events:none;
}
.cta-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1.08fr;gap:44px;align-items:start}
.trust-list{display:flex;flex-direction:column;gap:20px;margin-top:28px}
.trust-item{display:flex;gap:14px;align-items:flex-start}
.trust-item .ti-icon{
  flex:none;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  font-size:14px;color:var(--brand);background:rgba(43,224,196,.1);border:1px solid rgba(43,224,196,.22);
}
.trust-item h4{font-size:15.5px;font-weight:600;color:var(--tx-1);margin-bottom:4px}
.trust-item p{font-size:14.2px;line-height:1.75;color:var(--tx-2)}
.form-card{padding:28px;border-radius:var(--r-lg)}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.field label{font-size:13px;color:var(--tx-3);letter-spacing:.02em}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border-radius:var(--r-md);
  background:rgba(255,255,255,.04);border:1px solid var(--glass-line);color:var(--tx-1);
  outline:none;transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.field textarea{height:auto;min-height:112px;padding:12px 14px;line-height:1.75;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--tx-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:rgba(43,224,196,.6);box-shadow:0 0 0 3px rgba(43,224,196,.13);background:rgba(255,255,255,.055);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--tx-3) 50%),linear-gradient(135deg,var(--tx-3) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.field select option{background:#0B1220;color:#E8EEF7}
.form-actions{margin-top:6px}
.form-actions .btn{width:100%}
.privacy-note{margin-top:12px;font-size:12.5px;line-height:1.7;color:var(--tx-3)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* ============ footer ============ */
.site-footer{
  border-top:1px solid rgba(255,255,255,.07);padding:72px 0 0;
  background:linear-gradient(180deg,rgba(11,18,32,.6),rgba(7,11,18,.96));
}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px}
.foot-brand .brand-row{font-size:18px}
.foot-desc{margin-top:16px;font-size:14px;line-height:1.85;color:var(--tx-3);max-width:320px}
.foot-title{font-size:14px;font-weight:600;color:var(--tx-1);margin-bottom:14px;letter-spacing:.02em}
.foot-link{display:block;font-size:14px;color:var(--tx-2);padding:6px 0;transition:color .2s var(--ease)}
.foot-link:hover{color:var(--brand)}
.foot-contact li{font-size:14px;color:var(--tx-2);padding:6px 0;display:flex;gap:9px;align-items:flex-start}
.foot-contact i{color:var(--brand);font-size:13px;margin-top:6px;flex:none}
.foot-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.07);padding:22px 0 26px;
  display:flex;flex-wrap:wrap;gap:10px 20px;justify-content:space-between;font-size:13px;color:var(--tx-3);
}
.foot-bottom a{color:var(--tx-3);transition:color .2s var(--ease)}
.foot-bottom a:hover{color:var(--brand)}

/* ============ responsive ============ */
@media (max-width:1024px){
  .nav-links,.cmd-search{display:none}
  .nav-toggle{display:grid}
  .hero{padding:88px 0 66px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .matrix{grid-template-columns:1fr 1fr}
  .m-card.lg{grid-row:auto;grid-column:span 2}
  .cta-grid{grid-template-columns:1fr;gap:36px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .section,.cta-section{padding:64px 0}
  .stat-grid{grid-template-columns:1fr 1fr;gap:22px;padding:34px 0}
  .stat-item{border-right:0;padding-right:0}
  .compare{grid-template-columns:1fr}
  .cmp-col.hi{order:-1}
  .grid-news{grid-template-columns:1fr 1fr;gap:20px}
  .matrix{grid-template-columns:1fr}
  .m-card.lg{grid-column:auto}
  .cta-panel{padding:28px}
  .form-row{grid-template-columns:1fr}
  .hero h1{font-size:30px}
  .faq-q{font-size:16px;padding:17px 18px}
  .faq-a{padding:0 18px 20px}
}
@media (max-width:640px){
  .wrap{padding:0 16px}
  .grid-news{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .section-head{align-items:flex-start}
  .stat-num{font-size:36px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;animation-iteration-count:1 !important}
  .m-card:hover,.news-card:hover,.btn:hover{transform:none !important}
  .news-card:hover .news-cover{transform:none}
}

/* roulang page: category1 */
:root{
  --bg-0:#070B12; --bg-1:#0B1220; --bg-2:#101A2C;
  --brand:#2BE0C4; --brand-hi:#5CF2D8; --brand-deep:#17A88F;
  --accent:#FFB454; --violet:#8B7BFF;
  --tx-1:#E8EEF7; --tx-2:#9AA8BC; --tx-3:#67748A;
  --ok:#34D399; --warn:#FF7A7A;
  --glass:rgba(255,255,255,.045);
  --glass-line:rgba(255,255,255,.09);
  --r-sm:10px; --r-md:14px; --r-lg:20px; --r-xl:28px;
  --sh-card:0 24px 60px -28px rgba(0,0,0,.7);
  --sh-glow:0 0 0 1px rgba(43,224,196,.28), 0 10px 30px -10px rgba(43,224,196,.45);
  --t:200ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background-color:var(--bg-0);color:var(--tx-2);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.8;letter-spacing:-0.01em;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--tx-1);font-weight:700;letter-spacing:-0.02em;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.bg-layer{
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:
    radial-gradient(900px 620px at 6% 0%, rgba(43,224,196,.10), transparent 62%),
    radial-gradient(820px 540px at 96% 10%, rgba(255,180,84,.075), transparent 62%),
    radial-gradient(700px 500px at 50% 100%, rgba(139,123,255,.06), transparent 65%),
    linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size:auto,auto,auto,40px 40px,40px 40px;
}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-sm{padding:64px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:500;letter-spacing:.08em;
  color:var(--brand-hi);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--brand),transparent)}
.s-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:38px}
.s-title{position:relative;padding-left:16px;font-size:34px;line-height:1.28}
.s-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:linear-gradient(180deg,var(--brand-hi),var(--brand-deep))}
.s-sub{margin-top:12px;font-size:15.5px;color:var(--tx-2);max-width:660px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.txt-link{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand-hi);transition:gap var(--t)}
.txt-link i{transition:transform var(--t)}
.txt-link:hover{gap:10px}
.txt-link:hover i{transform:translateX(2px)}
.pill{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;border-radius:999px;
  font-size:12.5px;font-weight:500;letter-spacing:.02em;color:var(--brand-hi);
  background:rgba(43,224,196,.10);border:1px solid rgba(43,224,196,.28);
}
.pill-mute{color:var(--tx-3);background:rgba(255,255,255,.04);border-color:var(--glass-line)}
.pill-violet{color:#C3BBFF;background:rgba(139,123,255,.12);border-color:rgba(139,123,255,.3)}
/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;border-bottom:1px solid transparent;
  transition:background var(--t),border-color var(--t),backdrop-filter var(--t);
}
.site-header.scrolled{
  background:rgba(7,11,18,.82);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom-color:rgba(255,255,255,.08);
}
.header-inner{display:flex;align-items:center;gap:18px;height:68px}
.brand{display:flex;flex-direction:column;gap:2px;flex:none}
.brand-row{display:flex;align-items:center;gap:7px;font-size:19px;font-weight:700;color:var(--tx-1);letter-spacing:-0.01em}
.brand-row i{display:block;width:1px;height:14px;background:rgba(255,255,255,.22)}
.b-ayx{color:var(--brand);font-weight:600;letter-spacing:.02em}
.brand-sub{font-size:11px;color:var(--tx-3);letter-spacing:.16em}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:10px}
.nav-link{
  position:relative;padding:9px 13px;border-radius:10px;font-size:15px;font-weight:500;
  color:var(--tx-2);transition:color var(--t),background var(--t);white-space:nowrap;
}
.nav-link:hover{color:var(--tx-1);background:rgba(255,255,255,.05)}
.nav-link.active{color:var(--brand-hi)}
.nav-link.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:1px;height:2px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 10px rgba(43,224,196,.75);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.command-search{
  display:flex;align-items:center;gap:9px;width:264px;height:40px;padding:0 12px;
  border-radius:12px;background:var(--glass);border:1px solid var(--glass-line);
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.command-search i{font-size:13px;color:var(--tx-3)}
.command-search input{flex:1;min-width:0;background:transparent;border:0;outline:none;font-size:14px;color:var(--tx-1)}
.command-search input::placeholder{color:var(--tx-3)}
.command-search:focus-within{border-color:rgba(43,224,196,.6);box-shadow:0 0 0 3px rgba(43,224,196,.12);background:rgba(255,255,255,.06)}
.command-search kbd{
  font-size:11px;padding:2px 6px;border-radius:6px;color:var(--tx-3);
  background:rgba(255,255,255,.06);border:1px solid var(--glass-line);
}
.icon-btn{
  display:grid;place-items:center;width:40px;height:40px;border-radius:12px;color:var(--tx-2);
  background:var(--glass);border:1px solid var(--glass-line);
  transition:color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.icon-btn:hover{color:var(--brand-hi);border-color:rgba(43,224,196,.42);transform:translateY(-1px)}
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;
  border-radius:999px;font-size:15px;font-weight:600;color:#04211C;
  background:linear-gradient(120deg,#2BE0C4,#17A88F);box-shadow:var(--sh-glow);
  transition:transform var(--t),box-shadow var(--t),filter var(--t);white-space:nowrap;
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(43,224,196,.42),0 16px 36px -10px rgba(43,224,196,.62)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 20px;
  border-radius:999px;font-size:15px;font-weight:600;color:var(--tx-1);
  background:transparent;border:1px solid rgba(255,255,255,.16);
  transition:background var(--t),border-color var(--t),transform var(--t);white-space:nowrap;
}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.28);transform:translateY(-1px)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.menu-toggle{display:none;place-items:center;width:40px;height:40px;border-radius:12px;color:var(--tx-1);background:var(--glass);border:1px solid var(--glass-line)}
.drawer-mask{
  position:fixed;inset:0;z-index:70;background:rgba(7,11,18,.72);
  opacity:0;pointer-events:none;transition:opacity var(--t);
}
.drawer-mask.open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:80;width:min(88vw,340px);padding:24px;
  display:flex;flex-direction:column;gap:20px;overflow-y:auto;
  background:rgba(11,18,32,.97);border-left:1px solid var(--glass-line);
  transform:translateX(100%);transition:transform var(--t);
}
.drawer.open{transform:none}
.drawer .nav-link{display:block;padding:13px 14px;border-radius:12px;border-left:3px solid transparent}
.drawer .nav-link.active{border-left-color:var(--brand);background:rgba(43,224,196,.08)}
.drawer .nav-link.active::after{display:none}
.drawer-sep{height:1px;background:rgba(255,255,255,.08)}
/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid rgba(255,255,255,.06);padding:76px 0 60px}
.hero-media{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;opacity:.16;pointer-events:none;
}
.hero-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,18,.55),rgba(7,11,18,.96));pointer-events:none}
.hero-core{position:relative;z-index:2;max-width:920px}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--tx-3);margin-bottom:22px}
.crumb a{transition:color var(--t)}
.crumb a:hover{color:var(--brand-hi)}
.crumb span.sep{color:rgba(255,255,255,.2)}
.hero h1{font-size:clamp(30px,4.2vw,52px);line-height:1.2;margin:14px 0 18px}
.hero h1 em{font-style:normal;color:var(--brand-hi);text-shadow:0 0 22px rgba(43,224,196,.28)}
.hero-lead{font-size:16.5px;line-height:1.9;color:var(--tx-2);max-width:700px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
/* ---------- cards ---------- */
.glass-card{
  position:relative;border-radius:var(--r-lg);background:var(--glass);border:1px solid var(--glass-line);
  box-shadow:var(--sh-card);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  padding:26px;transition:transform var(--t),border-color var(--t),box-shadow var(--t);
}
.glass-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;border-radius:var(--r-lg) var(--r-lg) 0 0;
  background:linear-gradient(90deg,rgba(255,255,255,.16),rgba(255,255,255,0));
}
.glass-card:hover{transform:translateY(-4px);border-color:rgba(43,224,196,.3);box-shadow:0 0 0 1px rgba(43,224,196,.16),0 30px 62px -32px rgba(0,0,0,.85)}
.card-icon{
  display:grid;place-items:center;width:44px;height:44px;border-radius:14px;font-size:18px;color:var(--brand-hi);
  background:rgba(43,224,196,.10);border:1px solid rgba(43,224,196,.26);
}
.card-icon.warm{color:var(--accent);background:rgba(255,180,84,.10);border-color:rgba(255,180,84,.26)}
.card-icon.violet{color:#C3BBFF;background:rgba(139,123,255,.12);border-color:rgba(139,123,255,.28)}
.card-title{font-size:20px;font-weight:600;margin:18px 0 10px;color:var(--tx-1)}
.card-text{font-size:15px;line-height:1.8;color:var(--tx-2)}
.card-cover{
  border-radius:var(--r-md);overflow:hidden;border:1px solid var(--glass-line);
  aspect-ratio:16/9;background:linear-gradient(140deg,#0d1729,#101c33);
}
.card-cover img{width:100%;height:100%;object-fit:cover;opacity:.92;transition:transform 420ms cubic-bezier(.2,.7,.3,1)}
.glass-card:hover .card-cover img{transform:scale(1.04)}
/* ---------- metrics ---------- */
.metric-band{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.metric{
  border-radius:var(--r-md);padding:22px 24px;background:var(--glass);border:1px solid var(--glass-line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);transition:border-color var(--t),transform var(--t);
}
.metric:hover{border-color:rgba(43,224,196,.28);transform:translateY(-3px)}
.metric-num{
  font-size:40px;font-weight:700;line-height:1.1;color:var(--brand-hi);letter-spacing:-0.02em;
  font-variant-numeric:tabular-nums;text-shadow:0 0 18px rgba(43,224,196,.22);
}
.metric-label{margin-top:8px;font-size:14.5px;color:var(--tx-2)}
/* ---------- table ---------- */
.table-scroll{
  overflow-x:auto;border-radius:var(--r-lg);border:1px solid var(--glass-line);
  background:rgba(255,255,255,.03);box-shadow:var(--sh-card);
  -webkit-overflow-scrolling:touch;
}
table.cmp{min-width:680px}
table.cmp th,table.cmp td{padding:17px 20px;text-align:left;font-size:15px;border-bottom:1px solid rgba(255,255,255,.06)}
table.cmp thead th{
  font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--tx-3);text-transform:uppercase;
  background:rgba(255,255,255,.025);border-bottom:1px solid rgba(43,224,196,.35);white-space:nowrap;
}
table.cmp thead th.hi{color:var(--brand-hi);background:rgba(43,224,196,.08)}
table.cmp tbody tr{transition:background var(--t)}
table.cmp tbody tr:hover{background:rgba(255,255,255,.035)}
table.cmp tbody tr:last-child td{border-bottom:0}
table.cmp td:first-child{color:var(--tx-1);font-weight:600}
table.cmp td.hi{color:var(--tx-1);background:rgba(43,224,196,.055)}
table.cmp td i.mini{color:var(--brand-hi);font-size:12px;margin-right:8px}
/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{position:relative;padding:24px;border-radius:var(--r-md);background:var(--glass);border:1px solid var(--glass-line)}
.step-idx{
  display:grid;place-items:center;width:36px;height:36px;border-radius:12px;font-size:15px;font-weight:700;
  color:#04211C;background:linear-gradient(135deg,#5CF2D8,#17A88F);margin-bottom:16px;
}
.step h3{font-size:17px;font-weight:600;margin-bottom:8px}
.step p{font-size:14.5px;line-height:1.75;color:var(--tx-2)}
/* ---------- faq ---------- */
.faq-item{
  border:1px solid var(--glass-line);border-radius:var(--r-md);background:var(--glass);
  margin-bottom:12px;overflow:hidden;transition:border-color var(--t),box-shadow var(--t);
}
.faq-item[open]{border-color:rgba(43,224,196,.42);box-shadow:0 0 0 1px rgba(43,224,196,.12)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;
  font-size:17px;font-weight:600;color:var(--tx-1);cursor:pointer;list-style:none;
}
.faq-q::-webkit-details-marker{display:none}
.faq-q::marker{content:""}
.faq-plus{
  flex:none;display:grid;place-items:center;width:26px;height:26px;border-radius:8px;font-size:16px;
  color:var(--brand-hi);background:rgba(43,224,196,.10);border:1px solid rgba(43,224,196,.26);
  transition:transform var(--t);
}
.faq-item[open] .faq-plus{transform:rotate(45deg)}
.faq-a{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--tx-2)}
/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);padding:52px;
  background:linear-gradient(135deg,rgba(43,224,196,.12),rgba(139,123,255,.08) 55%,rgba(255,180,84,.07));
  border:1px solid rgba(43,224,196,.24);box-shadow:0 30px 70px -34px rgba(0,0,0,.85);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(43,224,196,.22),transparent 68%);pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px}
.cta-inner h2{font-size:30px;line-height:1.3;max-width:560px}
.cta-inner p{margin-top:12px;font-size:15.5px;color:var(--tx-2);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
/* ---------- footer ---------- */
.site-footer{border-top:1px solid rgba(255,255,255,.08);background:rgba(11,18,32,.72);margin-top:20px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;padding:64px 0 44px}
.foot-brand .brand-row{font-size:20px}
.foot-desc{margin-top:14px;font-size:14.5px;line-height:1.8;color:var(--tx-3);max-width:320px}
.foot-title{font-size:14px;font-weight:600;color:var(--tx-1);margin-bottom:16px;letter-spacing:.02em}
.foot-link{display:block;font-size:14.5px;color:var(--tx-2);padding:5px 0;transition:color var(--t),transform var(--t)}
.foot-link:hover{color:var(--brand-hi);transform:translateX(2px)}
.foot-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--tx-3);padding:5px 0}
.foot-contact i{margin-top:5px;color:var(--brand-deep);font-size:13px}
.foot-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding:20px 0 28px;border-top:1px solid rgba(255,255,255,.07);font-size:13.5px;color:var(--tx-3);
}
.foot-bottom a{color:var(--brand-hi);transition:opacity var(--t)}
.foot-bottom a:hover{opacity:.8}
/* ---------- responsive ---------- */
@media (max-width:1100px){
  .command-search{width:210px}
  .nav-link{padding:9px 10px;font-size:14.5px}
}
@media (max-width:920px){
  .nav-links{display:none}
  .command-search{display:none}
  .menu-toggle{display:grid}
  .section{padding:72px 0}
  .s-title{font-size:29px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;padding:52px 0 36px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .metric-band{grid-template-columns:repeat(3,1fr);gap:14px}
  .metric-num{font-size:34px}
  .cta-band{padding:38px}
  .cta-inner h2{font-size:25px}
}
@media (max-width:640px){
  .wrap{padding:0 16px}
  .header-inner{height:60px;gap:12px}
  .brand-row{font-size:17px}
  .brand-sub{font-size:10px;letter-spacing:.12em}
  .btn-primary.btn-sm{display:none}
  .section{padding:56px 0}
  .section-sm{padding:44px 0}
  .hero{padding:52px 0 44px}
  .hero h1{font-size:30px}
  .hero-lead{font-size:15.5px}
  .s-title{font-size:24px}
  .metric-band{grid-template-columns:repeat(2,1fr)}
  .metric-num{font-size:30px}
  .steps{grid-template-columns:1fr}
  .glass-card{padding:20px}
  .cta-band{padding:28px 22px;border-radius:var(--r-lg)}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .faq-q{font-size:15.5px;padding:16px 18px}
  .faq-a{padding:0 18px 18px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
  .glass-card:hover,.metric:hover,.btn-primary:hover,.btn-ghost:hover,.icon-btn:hover{transform:none}
}

/* roulang page: article */
:root{
  --bg-0:#070B12; --bg-1:#0B1220; --bg-2:#101A2C;
  --brand:#2BE0C4; --brand-hi:#5CF2D8; --brand-deep:#17A88F;
  --accent:#FFB454; --violet:#8B7BFF;
  --tx-1:#E8EEF7; --tx-2:#9AA8BC; --tx-3:#67748A;
  --ok:#34D399; --warn:#FF7A7A;
  --glass:rgba(255,255,255,.045);
  --glass-strong:rgba(255,255,255,.07);
  --glass-line:rgba(255,255,255,.09);
  --line-soft:rgba(255,255,255,.06);
  --r-sm:10px; --r-md:14px; --r-lg:20px; --r-xl:28px;
  --sh-card:0 24px 60px -28px rgba(0,0,0,.7);
  --sh-glow:0 0 0 1px rgba(43,224,196,.28), 0 10px 30px -10px rgba(43,224,196,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  color:var(--tx-2);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(1200px 620px at 6% -8%, rgba(43,224,196,.11), transparent 62%),
    radial-gradient(1000px 620px at 102% 2%, rgba(255,180,84,.075), transparent 60%),
    radial-gradient(900px 700px at 50% 120%, rgba(139,123,255,.07), transparent 65%);
  background-attachment:fixed;
  font-size:16px;
  line-height:1.8;
  letter-spacing:-0.01em;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:
    repeating-linear-gradient(to right,rgba(255,255,255,.028) 0 1px,transparent 1px 40px),
    repeating-linear-gradient(to bottom,rgba(255,255,255,.028) 0 1px,transparent 1px 40px);
  opacity:.75;
}
body::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.035;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(/%23n)'/%3E%3C/svg%3E");
}
h1,h2,h3,h4{margin:0;color:var(--tx-1);letter-spacing:-0.02em;font-family:var(--font-sans)}
p{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;position:relative;z-index:2}
.tnum{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* ---------- 顶部命令栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  transition:background .25s var(--ease),border-color .25s var(--ease),backdrop-filter .25s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(7,11,18,.82);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom-color:var(--glass-line);
}
.header-inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;flex-direction:column;gap:2px;flex-shrink:0}
.brand-row{display:inline-flex;align-items:center;gap:7px;font-size:18px;font-weight:700;color:var(--tx-1);letter-spacing:.01em;line-height:1.1}
.brand-row i{display:inline-block;width:1px;height:14px;background:rgba(255,255,255,.24);border-radius:1px}
.brand-row .b-ayx{color:var(--brand);letter-spacing:0}
.brand-sub{font-size:10.5px;letter-spacing:.2em;color:var(--tx-3);font-weight:500}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:10px}
.nav-link{
  position:relative;display:inline-block;padding:8px 13px;font-size:15px;font-weight:500;
  color:var(--tx-2);border-radius:999px;transition:color .2s var(--ease),background .2s var(--ease);
  white-space:nowrap;
}
.nav-link:hover{color:var(--tx-1);background:rgba(255,255,255,.05)}
.nav-link.active{color:var(--brand)}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:-3px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--brand);
  box-shadow:0 0 10px rgba(43,224,196,.85);
}
.header-right{display:flex;align-items:center;gap:10px;margin-left:auto}
.cmd-search{
  display:flex;align-items:center;gap:8px;height:38px;padding:0 12px;width:236px;
  background:var(--glass);border:1px solid var(--glass-line);border-radius:12px;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.cmd-search i{color:var(--tx-3);font-size:13px}
.cmd-search input{
  flex:1;min-width:0;background:transparent;border:0;outline:none;font-size:14px;color:var(--tx-1);
}
.cmd-search input::placeholder{color:var(--tx-3)}
.cmd-search kbd{
  font-family:var(--font-sans);font-size:11px;color:var(--tx-3);
  border:1px solid var(--glass-line);border-radius:6px;padding:1px 5px;background:rgba(255,255,255,.04);
}
.cmd-search:focus-within{border-color:rgba(43,224,196,.55);box-shadow:0 0 0 3px rgba(43,224,196,.14)}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;flex-shrink:0;
  background:var(--glass);border:1px solid var(--glass-line);border-radius:12px;color:var(--tx-2);
  transition:color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(43,224,196,.4);transform:translateY(-1px)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;border-radius:12px;border:1px solid transparent;
  padding:12px 20px;cursor:pointer;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.btn-primary{
  background:linear-gradient(120deg,#2BE0C4 0%,#17A88F 100%);
  color:#04211C;box-shadow:var(--sh-glow);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(43,224,196,.45),0 16px 36px -12px rgba(43,224,196,.6)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-ghost{
  background:transparent;border-color:rgba(255,255,255,.16);color:var(--tx-1);
}
.btn-ghost:hover{background:rgba(255,255,255,.06);transform:translateY(-1px);border-color:rgba(255,255,255,.28)}
.btn-sm{padding:10px 16px;font-size:14px}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--brand);
}
.btn-link i{transition:transform .2s var(--ease)}
.btn-link:hover i{transform:translateX(3px)}
.menu-toggle{
  display:none;width:38px;height:38px;align-items:center;justify-content:center;
  background:var(--glass);border:1px solid var(--glass-line);border-radius:12px;color:var(--tx-1);cursor:pointer;
}
.drawer-mask{
  position:fixed;inset:0;background:rgba(7,11,18,.7);backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);z-index:70;
}
.drawer-mask.open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:80;
  background:rgba(11,18,32,.97);border-left:1px solid var(--glass-line);
  padding:22px 20px 32px;display:flex;flex-direction:column;gap:20px;
  transform:translateX(105%);transition:transform .3s var(--ease);overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{
  display:block;padding:12px 14px;border-radius:12px;border-left:3px solid transparent;
  font-size:15.5px;font-weight:500;color:var(--tx-2);transition:all .2s var(--ease);
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--brand);background:rgba(43,224,196,.07);border-left-color:var(--brand)}
.drawer-close{background:transparent;border:0;color:var(--tx-2);font-size:18px;cursor:pointer}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:22px 0 0}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13.5px;color:var(--tx-3)}
.breadcrumb a{color:var(--tx-3);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb i{font-size:10px;opacity:.7}
.breadcrumb .current{color:var(--tx-2);max-width:44ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章头 ---------- */
.article-hero{position:relative;overflow:hidden;padding:26px 0 8px}
.article-hero::before{
  content:"";position:absolute;inset:-80px 0 auto 0;height:460px;z-index:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.16;
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 92%);
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.9),transparent 92%);
}
.hero-inner{position:relative;z-index:2;padding:18px 0 40px;max-width:900px}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  background:rgba(43,224,196,.1);border:1px solid rgba(43,224,196,.3);
  color:var(--brand-hi);font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.badge-violet{background:rgba(139,123,255,.12);border-color:rgba(139,123,255,.32);color:#B7ADFF}
.article-h1{font-size:clamp(30px,4.2vw,50px);line-height:1.22;font-weight:700;margin:18px 0 18px}
.article-lead{font-size:17px;line-height:1.85;color:var(--tx-2);max-width:760px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 18px;margin-top:22px;font-size:13.5px;color:var(--tx-3)}
.meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-item i{color:var(--brand-deep)}
.meta-sep{width:1px;height:14px;background:var(--line-soft)}
.article-cover{
  position:relative;margin-top:32px;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--glass-line);box-shadow:var(--sh-card);
  max-height:420px;
}
.article-cover img{width:100%;height:100%;max-height:420px;object-fit:cover}
.article-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(7,11,18,.75),transparent 55%)}

/* ---------- 布局 ---------- */
.section{padding:72px 0}
.section-tight{padding:52px 0}
.article-layout{display:grid;grid-template-columns:248px minmax(0,1fr);gap:48px;align-items:start}
.side-col{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px}
.glass-card{
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-lg);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:var(--sh-card);position:relative;overflow:hidden;
}
.glass-card::before{
  content:"";position:absolute;inset:0 0 auto 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.22),transparent);
}
.toc-card{padding:20px 16px}
.toc-title{
  display:flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--tx-3);
  letter-spacing:.12em;padding:0 8px 12px;
}
.toc-title i{color:var(--brand-deep)}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:52vh;overflow-y:auto}
.toc-list a{
  display:block;padding:8px 12px;font-size:14px;line-height:1.55;color:var(--tx-3);
  border-left:2px solid transparent;border-radius:0 8px 8px 0;
  transition:color .2s var(--ease),background .2s var(--ease),border-color .2s var(--ease);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.toc-list a.lv3{padding-left:24px;font-size:13px}
.toc-list a:hover{color:var(--tx-1);background:rgba(255,255,255,.04)}
.toc-list a.active{color:var(--brand);border-left-color:var(--brand);background:rgba(43,224,196,.07)}
.side-note{padding:18px}
.side-note p{font-size:13.5px;color:var(--tx-3);line-height:1.75;margin-bottom:12px}

/* ---------- 正文排版 ---------- */
.article-body{
  font-size:17px;line-height:1.9;color:var(--tx-2);
  max-width:820px;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.45em}
.article-body h2{
  position:relative;font-size:clamp(23px,2.6vw,29px);font-weight:650;color:var(--tx-1);
  line-height:1.4;margin:48px 0 16px;padding-left:16px;scroll-margin-top:96px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.42em;width:4px;height:1em;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--brand-deep));
  box-shadow:0 0 12px rgba(43,224,196,.5);
}
.article-body h3{font-size:20px;font-weight:600;color:var(--tx-1);margin:34px 0 12px;scroll-margin-top:96px}
.article-body h4{font-size:17px;font-weight:600;color:var(--tx-1);margin:24px 0 10px}
.article-body a{color:var(--brand);border-bottom:1px dashed rgba(43,224,196,.5);transition:border-color .2s var(--ease)}
.article-body a:hover{border-bottom-style:solid;border-bottom-color:var(--brand)}
.article-body strong{color:var(--tx-1);font-weight:600}
.article-body ul,.article-body ol{margin:0 0 1.45em;padding-left:22px}
.article-body li{margin:0 0 .6em;line-height:1.85}
.article-body ul li{position:relative;list-style:none}
.article-body ul li::before{
  content:"";position:absolute;left:-18px;top:.78em;width:6px;height:6px;border-radius:2px;
  background:var(--brand);opacity:.85;
}
.article-body ol{list-style:decimal;color:var(--tx-2)}
.article-body ol li::marker{color:var(--brand);font-weight:600}
.article-body blockquote{
  margin:26px 0;padding:18px 24px;background:var(--glass);
  border-left:3px solid var(--brand);border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--tx-2);font-size:16px;
}
.article-body img{border-radius:var(--r-md);margin:26px auto;border:1px solid var(--glass-line)}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--tx-3);text-align:center;margin-top:10px}
.article-body table{
  width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;display:block;overflow-x:auto;
  border:1px solid var(--glass-line);border-radius:var(--r-md);
}
.article-body thead{background:rgba(43,224,196,.06)}
.article-body th{
  text-align:left;padding:12px 16px;color:var(--brand-hi);font-weight:600;font-size:14px;
  border-bottom:1px solid rgba(43,224,196,.28);white-space:nowrap;
}
.article-body td{padding:12px 16px;border-bottom:1px solid var(--line-soft);color:var(--tx-2);vertical-align:top}
.article-body tbody tr:hover{background:rgba(255,255,255,.03)}
.article-body code{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.88em;
  background:rgba(255,255,255,.08);color:var(--brand-hi);padding:2px 6px;border-radius:6px;
}
.article-body pre{
  margin:22px 0;padding:18px 20px;background:rgba(4,8,14,.72);border:1px solid var(--glass-line);
  border-radius:var(--r-md);overflow-x:auto;font-size:14px;line-height:1.7;
}
.article-body pre code{background:transparent;padding:0;color:var(--tx-2)}
.article-body hr{border:0;height:1px;background:var(--line-soft);margin:40px 0}

/* ---------- 空态 ---------- */
.empty-state{
  padding:56px 28px;text-align:center;border:1px dashed rgba(255,255,255,.16);
  border-radius:var(--r-lg);background:var(--glass);max-width:820px;
}
.empty-state i{font-size:26px;color:var(--brand);opacity:.7}
.empty-state h2{font-size:22px;margin:14px 0 8px}
.empty-state p{color:var(--tx-3);font-size:15px;margin-bottom:20px}

/* ---------- 文末 ---------- */
.article-foot{margin-top:52px;padding-top:28px;border-top:1px solid var(--line-soft);max-width:820px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.tag{
  font-size:12.5px;padding:5px 12px;border-radius:999px;color:var(--tx-2);
  background:rgba(255,255,255,.05);border:1px solid var(--glass-line);
}
.tag:hover{color:var(--brand);border-color:rgba(43,224,196,.35)}
.back-row{display:flex;flex-wrap:wrap;gap:12px}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.section-title{position:relative;padding-left:16px;font-size:clamp(22px,2.6vw,30px);font-weight:650}
.section-title::before{
  content:"";position:absolute;left:0;top:.36em;width:4px;height:1em;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--brand-deep));box-shadow:0 0 12px rgba(43,224,196,.45);
}
.section-sub{font-size:14.5px;color:var(--tx-3);margin-top:8px;max-width:640px;line-height:1.75}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--glass-line);box-shadow:var(--sh-card);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(43,224,196,.4);box-shadow:0 0 0 1px rgba(43,224,196,.22),0 24px 50px -24px rgba(0,0,0,.8)}
.rel-thumb{display:block;aspect-ratio:16/9;background:linear-gradient(135deg,#101A2C,#0B1220);overflow:hidden}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-cat{font-size:12.5px;color:var(--brand);font-weight:600}
.rel-title{font-size:16.5px;font-weight:600;color:var(--tx-1);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-time{font-size:13px;color:var(--tx-3);margin-top:auto;display:inline-flex;align-items:center;gap:6px}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.faq-item{
  border:1px solid var(--glass-line);border-radius:var(--r-md);background:var(--glass);
  overflow:hidden;transition:border-color .2s var(--ease),background .2s var(--ease);
}
.faq-item.open{border-color:rgba(43,224,196,.42);background:rgba(43,224,196,.045)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;
  padding:18px 20px;background:transparent;border:0;cursor:pointer;
  font-size:16.5px;font-weight:600;color:var(--tx-1);line-height:1.6;
}
.faq-icon{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--glass-line);color:var(--brand);font-size:12px;transition:transform .25s var(--ease),background .2s var(--ease);
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:rgba(43,224,196,.14)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-a-inner{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--tx-2);border-left:2px solid rgba(43,224,196,.45);margin-left:20px;padding-left:16px}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);padding:48px 44px;
  background:linear-gradient(115deg,rgba(43,224,196,.14),rgba(139,123,255,.08) 55%,rgba(255,180,84,.08));
  border:1px solid rgba(43,224,196,.26);box-shadow:var(--sh-card);
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(43,224,196,.28),transparent 66%);
}
.cta-copy{position:relative;z-index:2;max-width:620px}
.cta-copy h2{font-size:clamp(23px,2.8vw,30px);font-weight:650;margin-bottom:10px}
.cta-copy p{font-size:15.5px;color:var(--tx-2)}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;z-index:2;margin-top:40px;padding:64px 0 28px;
  border-top:1px solid var(--glass-line);
  background:linear-gradient(180deg,rgba(11,18,32,.5),rgba(7,11,18,.9));
}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px}
.foot-desc{font-size:14px;color:var(--tx-3);line-height:1.8;margin-top:14px;max-width:340px}
.foot-title{font-size:13px;font-weight:600;color:var(--tx-1);letter-spacing:.1em;margin-bottom:16px}
.foot-link{display:block;font-size:14.5px;color:var(--tx-3);padding:6px 0;transition:color .2s var(--ease),transform .2s var(--ease)}
.foot-link:hover{color:var(--brand);transform:translateX(3px)}
.foot-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--tx-3);padding:6px 0;line-height:1.7}
.foot-contact i{color:var(--brand-deep);margin-top:5px}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:22px;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--tx-3);
}
.foot-bottom a{color:var(--tx-2);border-bottom:1px dashed rgba(255,255,255,.2)}
.foot-bottom a:hover{color:var(--brand);border-bottom-color:var(--brand)}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .cmd-search{width:190px}
}
@media (max-width:1080px){
  .nav-links{display:none}
  .menu-toggle{display:inline-flex}
  .cmd-search{display:none}
  .article-layout{grid-template-columns:1fr;gap:28px}
  .side-col{position:static;top:auto}
  .toc-list{max-height:none}
  .toc-card{order:2}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .section-tight{padding:42px 0}
  .article-h1{font-size:30px}
  .article-lead{font-size:15.5px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:23px;margin-top:38px}
  .faq-grid{grid-template-columns:1fr}
  .cta-band{padding:32px 24px;gap:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
}
@media (max-width:520px){
  .wrap{padding:0 16px}
  .rel-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .article-meta{gap:6px 12px}
  .meta-sep{display:none}
  .breadcrumb .current{max-width:26ch}
  .section-head{flex-direction:column;align-items:flex-start;margin-bottom:24px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.01ms !important}
  .rel-card:hover{transform:none}
}

/* roulang page: category2 */
:root{
  --bg-0:#070B12;
  --bg-1:#0B1220;
  --bg-2:#101A2C;
  --brand:#2BE0C4;
  --brand-hi:#5CF2D8;
  --brand-deep:#17A88F;
  --accent:#FFB454;
  --violet:#8B7BFF;
  --tx-1:#E8EEF7;
  --tx-2:#9AA8BC;
  --tx-3:#67748A;
  --ok:#34D399;
  --warn:#FF7A7A;
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --glass:rgba(255,255,255,.045);
  --glass-2:rgba(255,255,255,.075);
  --glass-bd:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.07);
  --sh-card:0 24px 60px -28px rgba(0,0,0,.7);
  --sh-glow:0 0 0 1px rgba(43,224,196,.28), 0 10px 30px -10px rgba(43,224,196,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;
  background-color:var(--bg-0);
  color:var(--tx-2);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.032) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.032) 1px,transparent 1px);
  background-size:40px 40px;
  -webkit-mask-image:radial-gradient(ellipse 80% 55% at 50% 0%,#000 0%,transparent 82%);
  mask-image:radial-gradient(ellipse 80% 55% at 50% 0%,#000 0%,transparent 82%);
}
body::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(640px 520px at 4% -8%,rgba(43,224,196,.15),transparent 68%),
    radial-gradient(720px 560px at 104% 6%,rgba(255,180,84,.10),transparent 70%);
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none;padding:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

/* ============ 容器 ============ */
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  transition:background .25s var(--ease),border-color .25s var(--ease),backdrop-filter .25s var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.scrolled{
  background:rgba(7,11,18,.82);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom-color:rgba(255,255,255,.08);
  box-shadow:0 18px 40px -32px rgba(0,0,0,.9);
}
.header-inner{
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:20px;
  min-height:68px;
}
.brand{display:inline-flex;flex-direction:column;justify-content:center;gap:1px;flex-shrink:0}
.brand-row{display:flex;align-items:center;gap:8px;font-size:19px;font-weight:700;color:var(--tx-1);letter-spacing:-.02em;line-height:1.2}
.brand-row i{width:1px;height:15px;background:linear-gradient(180deg,transparent,rgba(43,224,196,.75),transparent);display:inline-block}
.b-ayx{color:var(--brand)}
.brand-sub{font-size:11px;color:var(--tx-3);letter-spacing:.06em;line-height:1.4}

.nav-links{display:flex;align-items:center;justify-self:center;gap:2px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:68px;
  padding:0 14px;font-size:15px;font-weight:500;color:var(--tx-2);
  transition:color .2s var(--ease);
}
.nav-link:hover{color:var(--tx-1)}
.nav-link.active{color:var(--brand)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:15px;height:2px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 10px rgba(43,224,196,.8);
}

.nav-right{display:flex;align-items:center;gap:10px;justify-self:end}
.cmd-search{
  display:flex;align-items:center;gap:8px;
  width:250px;height:40px;padding:0 10px 0 12px;
  border-radius:12px;
  background:var(--glass);
  border:1px solid var(--glass-bd);
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease);
}
.cmd-search:focus-within{
  border-color:rgba(43,224,196,.6);
  background:rgba(43,224,196,.06);
  box-shadow:0 0 0 3px rgba(43,224,196,.14),0 8px 24px -14px rgba(43,224,196,.6);
}
.cmd-search i{font-size:13px;color:var(--tx-3)}
.cmd-search input{
  flex:1;min-width:0;height:100%;border:0;outline:none;background:transparent;
  color:var(--tx-1);font-size:14px;
}
.cmd-search input::placeholder{color:var(--tx-3)}
.cmd-search kbd{
  font-family:var(--font);font-size:11px;color:var(--tx-3);
  border:1px solid var(--glass-bd);border-radius:6px;padding:1px 6px;background:rgba(255,255,255,.04);
  white-space:nowrap;
}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  border:1px solid var(--glass-bd);background:var(--glass);color:var(--tx-2);
  transition:all .2s var(--ease);
}
.icon-btn:hover{color:var(--brand);border-color:rgba(43,224,196,.45);background:rgba(43,224,196,.08)}
.menu-toggle{display:none}

/* ============ 按钮 ============ */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;
  background:linear-gradient(120deg,#2BE0C4 0%,#17A88F 100%);
  color:#04140F;font-size:15px;font-weight:600;letter-spacing:.01em;
  box-shadow:var(--sh-glow);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease);
  white-space:nowrap;
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 0 0 1px rgba(43,224,196,.45),0 16px 36px -12px rgba(43,224,196,.7);filter:brightness(1.04)}
.btn-primary:active{transform:translateY(0);filter:brightness(.94)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;
  border:1px solid rgba(255,255,255,.16);
  color:var(--tx-1);font-size:15px;font-weight:500;
  transition:all .2s var(--ease);white-space:nowrap;
}
.btn-ghost:hover{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.3);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-size:14.5px;font-weight:500;
  transition:color .2s var(--ease);
}
.link-arrow i{font-size:12px;transition:transform .2s var(--ease)}
.link-arrow:hover{color:var(--brand-hi)}
.link-arrow:hover i{transform:translateX(3px)}

/* ============ 通用标签 / 徽章 ============ */
.pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 13px;border-radius:999px;
  font-size:12.5px;font-weight:500;letter-spacing:.02em;
  background:rgba(43,224,196,.1);
  border:1px solid rgba(43,224,196,.28);
  color:var(--brand-hi);
}
.pill-neutral{
  background:var(--glass);border-color:var(--glass-bd);color:var(--tx-2);
}
.pill-violet{
  background:rgba(139,123,255,.12);border-color:rgba(139,123,255,.3);color:#B7ACFF;
}
.dot{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 8px rgba(43,224,196,.9);flex-shrink:0}
.dot-amber{background:var(--accent);box-shadow:0 0 8px rgba(255,180,84,.9)}

/* ============ 玻璃卡片 ============ */
.glass{
  position:relative;
  background:var(--glass);
  border:1px solid var(--glass-bd);
  border-radius:var(--r-lg);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  box-shadow:var(--sh-card);
}
.glass::before{
  content:"";position:absolute;inset:0 0 auto 0;height:1px;border-radius:var(--r-lg) var(--r-lg) 0 0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.22),transparent);
  pointer-events:none;
}

/* ============ Hero ============ */
.hero{position:relative;padding:44px 0 88px;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;pointer-events:none;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.18;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,var(--bg-0) 4%,rgba(7,11,18,.74) 48%,rgba(7,11,18,.9) 100%);
}
.hero .wrap{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:center}

.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--tx-3);margin-bottom:20px;flex-wrap:wrap}
.crumb a:hover{color:var(--brand)}
.crumb i{font-size:9px;color:var(--tx-3)}

.hero h1{
  font-size:clamp(30px,4.4vw,52px);
  font-weight:700;line-height:1.2;letter-spacing:-.02em;
  color:var(--tx-1);
  margin:18px 0 20px;
}
.hero h1 em{font-style:normal;color:var(--brand);position:relative}
.hero-lead{font-size:17px;line-height:1.85;color:var(--tx-2);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-mini{display:flex;flex-wrap:wrap;gap:24px;margin-top:36px;padding-top:26px;border-top:1px solid var(--line)}
.hero-mini li{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--tx-2)}
.hero-mini b{color:var(--tx-1);font-size:16px;font-weight:700}

/* Hero 侧面板 */
.panel{padding:26px}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}
.panel-title{font-size:15.5px;font-weight:600;color:var(--tx-1)}
.check-list li{
  display:flex;align-items:flex-start;gap:12px;
  padding:13px 0;border-bottom:1px solid var(--line);
  font-size:14.5px;line-height:1.65;
}
.check-list li:last-child{border-bottom:0;padding-bottom:0}
.check-mark{
  width:20px;height:20px;border-radius:50%;flex-shrink:0;margin-top:2px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:10px;background:rgba(43,224,196,.14);color:var(--brand);border:1px solid rgba(43,224,196,.35);
}
.check-mark.wait{background:rgba(255,180,84,.12);color:var(--accent);border-color:rgba(255,180,84,.32)}
.check-list span{color:var(--tx-2)}
.check-list strong{display:block;color:var(--tx-1);font-weight:600;font-size:14.5px;margin-bottom:1px}
.panel-foot{
  display:flex;align-items:center;gap:8px;margin-top:20px;padding-top:16px;
  border-top:1px solid var(--line);font-size:13px;color:var(--tx-3);
}

/* ============ 板块通用 ============ */
section{position:relative;z-index:1}
.section{padding:88px 0}
.section-alt{background:linear-gradient(180deg,rgba(11,18,32,.55),rgba(7,11,18,0))}
.section-head{max-width:760px;margin-bottom:46px}
.section-head h2{
  position:relative;
  font-size:clamp(24px,3vw,34px);
  font-weight:650;line-height:1.3;letter-spacing:-.02em;color:var(--tx-1);
  padding-left:18px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--brand),var(--brand-deep));
  box-shadow:0 0 14px rgba(43,224,196,.6);
}
.section-head p{margin-top:16px;font-size:15.5px;color:var(--tx-2);line-height:1.85}

/* ============ 指标带 ============ */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-radius:var(--r-lg);
  overflow:hidden;
}
.metric{
  padding:28px 26px;
  border-right:1px solid var(--line);
  transition:background .2s var(--ease);
}
.metric:last-child{border-right:0}
.metric:hover{background:rgba(43,224,196,.045)}
.metric-num{
  font-size:clamp(34px,4vw,52px);font-weight:700;line-height:1;letter-spacing:-.03em;
  color:var(--tx-1);text-shadow:0 0 14px rgba(43,224,196,.25);
  display:flex;align-items:baseline;gap:4px;
}
.metric-num small{font-size:15px;font-weight:500;color:var(--tx-3);letter-spacing:0}
.metric-label{margin-top:12px;font-size:14px;color:var(--tx-2);line-height:1.6}
.metric-tag{
  display:inline-flex;align-items:center;gap:5px;margin-top:10px;
  font-size:12.5px;color:var(--accent);
}

/* ============ 步骤流程 ============ */
.steps{display:grid;gap:16px;grid-template-columns:repeat(2,1fr)}
.step{
  display:grid;grid-template-columns:auto 1fr;gap:20px;
  padding:26px 26px 28px;
  border-radius:var(--r-lg);
  background:var(--glass);
  border:1px solid var(--glass-bd);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:rgba(43,224,196,.34);box-shadow:0 0 0 1px rgba(43,224,196,.18),0 22px 44px -30px rgba(43,224,196,.6)}
.step-index{
  width:46px;height:46px;border-radius:14px;flex-shrink:0;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:700;color:var(--brand);
  background:rgba(43,224,196,.09);
  border:1px solid rgba(43,224,196,.26);
}
.step h3{font-size:19px;font-weight:600;color:var(--tx-1);margin-bottom:8px}
.step p{font-size:14.8px;line-height:1.8;color:var(--tx-2)}
.step-note{display:inline-flex;align-items:center;gap:7px;margin-top:14px;font-size:13px;color:var(--tx-3)}
.step-note i{color:var(--brand);font-size:11px}

/* ============ 场景非等分栅格 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.scene{
  padding:26px;
  border-radius:var(--r-lg);
  background:var(--glass);
  border:1px solid var(--glass-bd);
  display:flex;flex-direction:column;
  transition:transform .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.scene:hover{transform:translateY(-4px);border-color:rgba(43,224,196,.32);background:rgba(43,224,196,.045)}
.scene.wide{grid-column:span 3}
.scene.narrow{grid-column:span 2}
.scene-icon{
  width:42px;height:42px;border-radius:12px;margin-bottom:18px;
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;
  background:rgba(43,224,196,.1);color:var(--brand);border:1px solid rgba(43,224,196,.24);
}
.scene.violet .scene-icon{background:rgba(139,123,255,.12);color:#B7ACFF;border-color:rgba(139,123,255,.28)}
.scene.amber .scene-icon{background:rgba(255,180,84,.1);color:var(--accent);border-color:rgba(255,180,84,.26)}
.scene h3{font-size:18px;font-weight:600;color:var(--tx-1);margin-bottom:9px}
.scene p{font-size:14.6px;line-height:1.8;color:var(--tx-2)}
.scene .link-arrow{margin-top:auto;padding-top:18px}

/* ============ 提示对照 ============ */
.compare{
  border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--glass-bd);
  background:var(--glass);
}
.compare-head{
  display:grid;grid-template-columns:1fr 1.15fr;
  background:rgba(255,255,255,.03);
  border-bottom:1px solid var(--line);
  font-size:13.5px;font-weight:600;color:var(--tx-1);letter-spacing:.02em;
}
.compare-head div{padding:16px 26px}
.compare-head div:last-child{color:var(--brand);border-left:1px solid var(--line)}
.compare-row{
  display:grid;grid-template-columns:1fr 1.15fr;
  border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.compare-row:last-child{border-bottom:0}
.compare-row:hover{background:rgba(43,224,196,.04)}
.compare-row>div{padding:20px 26px;display:flex;align-items:flex-start;gap:12px;font-size:14.8px;line-height:1.75}
.compare-row .left{color:var(--tx-2)}
.compare-row .right{color:var(--tx-1);border-left:1px solid var(--line);background:rgba(43,224,196,.035)}
.compare-row .right i{color:var(--brand);font-size:13px;margin-top:5px;flex-shrink:0}
.compare-row .left i{color:var(--warn);font-size:13px;margin-top:5px;flex-shrink:0}

/* ============ 自检双卡 ============ */
.selfcheck{display:grid;grid-template-columns:1.05fr .95fr;gap:20px}
.sc-card{padding:30px}
.sc-card h3{font-size:20px;font-weight:600;color:var(--tx-1);margin-bottom:6px}
.sc-card>p{font-size:14.6px;color:var(--tx-3);margin-bottom:20px}
.sc-list li{
  display:flex;align-items:flex-start;gap:12px;
  padding:14px 0;border-bottom:1px solid var(--line);font-size:14.8px;line-height:1.75;color:var(--tx-2);
}
.sc-list li:last-child{border-bottom:0;padding-bottom:0}
.sc-list i{font-size:12px;margin-top:6px;flex-shrink:0;color:var(--brand)}
.sc-card.amber-accent .sc-list i{color:var(--accent)}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
  border-radius:var(--r-md);
  background:var(--glass);
  border:1px solid var(--glass-bd);
  overflow:hidden;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.faq-item.open{border-color:rgba(43,224,196,.34);background:rgba(43,224,196,.045)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--tx-1);line-height:1.6;
}
.faq-icon{
  position:relative;width:20px;height:20px;flex-shrink:0;
  transition:transform .25s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px;transition:opacity .25s var(--ease)}
.faq-item.open .faq-icon{transform:rotate(135deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .32s var(--ease);
}
.faq-a p{
  padding:0 24px 22px 24px;font-size:15px;line-height:1.85;color:var(--tx-2);
  border-left:2px solid rgba(43,224,196,.5);margin-left:24px;padding-left:18px;
}

/* ============ CTA ============ */
.cta-band{
  padding:48px 44px;
  border-radius:var(--r-xl);
  background:
    radial-gradient(600px 260px at 12% 0%,rgba(43,224,196,.16),transparent 70%),
    radial-gradient(520px 240px at 96% 100%,rgba(255,180,84,.12),transparent 72%),
    rgba(255,255,255,.05);
  border:1px solid rgba(43,224,196,.22);
  -webkit-backdrop-filter:blur(18px);
  backdrop-filter:blur(18px);
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:650;color:var(--tx-1);line-height:1.35;letter-spacing:-.02em}
.cta-band p{margin-top:12px;font-size:15.2px;color:var(--tx-2);max-width:620px;line-height:1.85}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-points{display:flex;flex-wrap:wrap;gap:20px;margin-top:20px}
.cta-points li{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--tx-2)}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;z-index:1;margin-top:96px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,18,32,.7),rgba(7,11,18,.98));
}
.foot-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.35fr;gap:40px;
  padding:64px 0 42px;
}
.foot-brand .brand-row{font-size:20px}
.foot-desc{margin-top:16px;font-size:14px;line-height:1.85;color:var(--tx-3);max-width:320px}
.foot-title{font-size:14.5px;font-weight:600;color:var(--tx-1);margin-bottom:18px;letter-spacing:.01em}
.foot-link{display:block;font-size:14px;color:var(--tx-3);padding:6px 0;transition:color .2s var(--ease),transform .2s var(--ease)}
.foot-link:hover{color:var(--brand);transform:translateX(3px)}
.foot-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--tx-3);padding:6px 0;line-height:1.75}
.foot-contact i{margin-top:6px;font-size:12px;color:var(--brand)}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 34px;border-top:1px solid var(--line);
  font-size:13px;color:var(--tx-3);
}
.foot-bottom a{color:var(--tx-2)}
.foot-bottom a:hover{color:var(--brand)}

/* ============ 移动端抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;z-index:80;background:rgba(7,11,18,.72);
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease),visibility .25s var(--ease);
  -webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);
}
.drawer-mask.show{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:90;
  width:min(86vw,340px);
  background:linear-gradient(180deg,#0B1220,#070B12);
  border-left:1px solid var(--glass-bd);
  transform:translateX(102%);
  transition:transform .3s var(--ease);
  padding:22px 22px 32px;
  display:flex;flex-direction:column;gap:22px;
  overflow-y:auto;
}
.drawer.show{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-nav{display:flex;flex-direction:column;gap:2px}
.drawer-nav a{
  position:relative;display:block;padding:14px 14px 14px 18px;
  font-size:15.5px;font-weight:500;color:var(--tx-2);border-radius:var(--r-sm);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.drawer-nav a:hover{background:rgba(255,255,255,.05);color:var(--tx-1)}
.drawer-nav a.active{color:var(--brand);background:rgba(43,224,196,.08)}
.drawer-nav a.active::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:3px;
  background:var(--brand);box-shadow:0 0 10px rgba(43,224,196,.75);
}
.drawer .cmd-search{width:100%}
.drawer .btn-primary{width:100%}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-links,.header-inner>.nav-right{display:none}
  .menu-toggle{display:inline-flex}
  .header-inner{grid-template-columns:auto auto;justify-content:space-between;min-height:60px}
  .hero{padding:32px 0 64px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .section{padding:72px 0}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .metric:nth-child(2){border-right:0}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--line)}
  .steps{grid-template-columns:1fr}
  .scene.wide,.scene.narrow{grid-column:span 6}
  .scene-grid{gap:16px}
  .selfcheck{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px;padding:52px 0 34px}
  .cta-band{padding:38px 28px}
}
@media (max-width:767px){
  .wrap{padding:0 18px}
  .hero h1{font-size:clamp(27px,7.4vw,34px)}
  .hero-lead{font-size:15.6px}
  .hero-mini{gap:16px;margin-top:28px}
  .hero-actions{gap:12px}
  .hero-actions .btn-primary,.hero-actions .btn-ghost{flex:1 1 auto;min-width:150px}
  .section{padding:60px 0}
  .section-head{margin-bottom:34px}
  .metrics{grid-template-columns:1fr}
  .metric{border-right:0;border-bottom:1px solid var(--line)}
  .metric:last-child{border-bottom:0}
  .compare-head,.compare-row{grid-template-columns:1fr}
  .compare-head div:last-child{border-left:0;border-top:1px solid var(--line)}
  .compare-row .right{border-left:0;border-top:1px dashed rgba(255,255,255,.1)}
  .compare-head div,.compare-row>div{padding:16px 18px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .cta-band{padding:32px 22px}
  .cta-actions{width:100%}
  .cta-actions a{flex:1 1 auto;justify-content:center}
  .step{padding:22px}
  .panel,.sc-card,.scene{padding:22px}
}
@media (max-width:520px){
  .brand-row{font-size:17px}
  .hero-mini li{font-size:13px}
  .faq-q{font-size:15.4px;padding:17px 18px}
  .faq-a p{margin-left:0;padding:0 18px 20px 18px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important}
  html{scroll-behavior:auto}
  .step:hover,.scene:hover,.btn-primary:hover,.btn-ghost:hover{transform:none}
}

/* roulang page: category3 */
:root{
  --bg-0:#F3F7F9;
  --bg-1:#FFFFFF;
  --bg-2:#EBF3F5;
  --brand:#12B39A;
  --brand-hi:#2BD9BE;
  --brand-deep:#0B8C79;
  --accent:#F5A524;
  --violet:#7C6BF0;
  --tx-1:#0E2A32;
  --tx-2:#4A6570;
  --tx-3:#879CA5;
  --line:rgba(14,42,50,.10);
  --line-2:rgba(14,42,50,.18);
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --sh-card:0 20px 46px -28px rgba(9,40,48,.38);
  --sh-soft:0 10px 26px -18px rgba(9,40,48,.35);
  --glow:0 0 0 1px rgba(18,179,154,.30),0 12px 28px -14px rgba(18,179,154,.55);
  --t:200ms cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.75;color:var(--tx-2);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(880px 500px at 8% -12%, rgba(43,217,190,.18), transparent 62%),
    radial-gradient(760px 460px at 98% 2%, rgba(245,165,36,.13), transparent 60%),
    linear-gradient(0deg, transparent 39px, rgba(14,42,50,.032) 40px),
    linear-gradient(90deg, transparent 39px, rgba(14,42,50,.032) 40px);
  background-size:auto,auto,40px 40px,40px 40px;
  background-attachment:fixed;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,li,figure{margin:0;padding:0}
ul,ol{list-style:none}
[hidden]{display:none !important}
::selection{background:rgba(43,217,190,.28)}
:focus-visible{outline:2px solid var(--brand-deep);outline-offset:2px;border-radius:6px}

.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:72px 0}
.section-tight{padding:48px 0}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  border-bottom:1px solid transparent;
  transition:background var(--t),box-shadow var(--t),border-color var(--t);
}
.site-header.scrolled{
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  border-bottom-color:var(--line);
  box-shadow:0 14px 32px -26px rgba(9,40,48,.7);
}
.head-inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;flex-direction:column;gap:1px;flex:0 0 auto}
.brand-row{
  display:inline-flex;align-items:center;gap:7px;
  font-size:19px;font-weight:800;letter-spacing:-.02em;color:var(--tx-1);line-height:1.25;
}
.brand-row i{display:inline-block;width:1px;height:15px;background:var(--line-2)}
.b-ayx{color:var(--brand-deep)}
.brand-tag{font-size:11.5px;font-style:normal;color:var(--tx-3);letter-spacing:.16em;font-weight:500}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:6px}
.nav-link{
  position:relative;padding:8px 12px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--tx-2);
  transition:color var(--t),background var(--t);
}
.nav-link:hover{color:var(--tx-1);background:rgba(14,42,50,.05)}
.nav-link.active{color:var(--brand-deep);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;
  background:var(--brand);box-shadow:0 0 10px rgba(43,217,190,.85);
}
.head-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.cmd-search{
  display:flex;align-items:center;gap:8px;width:252px;height:40px;padding:0 10px 0 12px;
  border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.72);
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.cmd-search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(18,179,154,.16)}
.cmd-search i{color:var(--tx-3);font-size:13px}
.cmd-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px;color:var(--tx-1)}
.cmd-search input::placeholder{color:var(--tx-3)}
.cmd-search kbd{
  font-size:11px;color:var(--tx-3);border:1px solid var(--line-2);
  border-radius:6px;padding:1px 5px;font-family:inherit;
}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.7);color:var(--tx-2);
  transition:color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t);
}
.icon-btn:hover{color:var(--brand-deep);border-color:var(--brand);transform:translateY(-1px);box-shadow:var(--sh-soft)}
.burger{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);color:var(--tx-1);align-items:center;justify-content:center}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:600;border:1px solid transparent;white-space:nowrap;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn-primary{
  background:linear-gradient(120deg,var(--brand-hi),var(--brand-deep));
  color:#04241F;
  box-shadow:0 12px 26px -14px rgba(18,179,154,.85);
}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 18px 34px -14px rgba(18,179,154,.95)}
.btn-primary:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost{background:rgba(255,255,255,.78);border-color:var(--line-2);color:var(--tx-1)}
.btn-ghost:hover{background:#fff;transform:translateY(-1px);box-shadow:var(--sh-soft)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--brand-deep);
}
.btn-link i{transition:transform var(--t)}
.btn-link:hover i{transform:translateX(3px)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  background:rgba(18,179,154,.10);color:var(--brand-deep);
  border:1px solid rgba(18,179,154,.22);
}
.badge-warm{background:rgba(245,165,36,.12);color:#A96A05;border-color:rgba(245,165,36,.26)}
.badge-violet{background:rgba(124,107,240,.10);color:#5A4ACB;border-color:rgba(124,107,240,.22)}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:999px;font-size:13.5px;
  background:rgba(255,255,255,.8);border:1px solid var(--line);
  color:var(--tx-2);cursor:pointer;
  transition:color var(--t),border-color var(--t),transform var(--t),box-shadow var(--t),background var(--t);
}
.chip:hover{color:var(--brand-deep);border-color:var(--brand);background:#fff;transform:translateY(-1px);box-shadow:var(--sh-soft)}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:46px 0 64px}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.16;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(243,247,249,.62) 0%,rgba(243,247,249,.88) 58%,var(--bg-0) 100%);
}
.hero>.wrap{position:relative;z-index:1}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--tx-3)}
.crumb a{color:var(--tx-2);transition:color var(--t)}
.crumb a:hover{color:var(--brand-deep)}
.crumb i{font-size:10px;opacity:.7}
.hero-title{
  margin-top:20px;
  font-size:clamp(30px,4.7vw,50px);
  font-weight:800;line-height:1.2;letter-spacing:-.02em;color:var(--tx-1);
  max-width:820px;
}
.hero-lead{margin-top:16px;max-width:640px;font-size:16.5px;line-height:1.85;color:var(--tx-2)}
.hero-search{position:relative;display:flex;align-items:center;max-width:640px;margin-top:28px}
.hero-search i.fa-magnifying-glass{
  position:absolute;left:18px;top:50%;transform:translateY(-50%);
  color:var(--tx-3);font-size:15px;pointer-events:none;
}
.hero-search input{
  width:100%;height:58px;padding:0 92px 0 48px;
  border-radius:16px;border:1px solid var(--line);
  background:rgba(255,255,255,.9);
  font-size:15px;color:var(--tx-1);
  box-shadow:var(--sh-soft);
  outline:none;
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.hero-search input::placeholder{color:var(--tx-3)}
.hero-search input:focus{border-color:var(--brand);background:#fff;box-shadow:var(--glow)}
.hero-search kbd{
  position:absolute;right:16px;top:50%;transform:translateY(-50%);
  font-size:11.5px;color:var(--tx-3);border:1px solid var(--line-2);
  border-radius:7px;padding:3px 7px;background:rgba(255,255,255,.8);font-family:inherit;
}
.chip-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}

/* ============ 指标条 ============ */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-card{
  padding:22px 22px 20px;border-radius:var(--r-lg);
  background:rgba(255,255,255,.82);border:1px solid var(--line);
  box-shadow:var(--sh-card);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(18,179,154,.4);box-shadow:0 26px 52px -28px rgba(9,40,48,.45)}
.stat-num{
  font-size:40px;font-weight:800;line-height:1.1;color:var(--tx-1);
  letter-spacing:-.02em;
}
.stat-num em{font-size:15px;font-style:normal;font-weight:600;color:var(--tx-3);margin-left:4px}
.stat-label{margin-top:6px;font-size:14px;font-weight:600;color:var(--tx-1)}
.stat-desc{margin-top:4px;font-size:13px;color:var(--tx-3);line-height:1.7}
.stat-bar{margin-top:14px;height:6px;border-radius:999px;background:rgba(14,42,50,.08);overflow:hidden}
.stat-bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand-hi),var(--brand-deep))}
.stat-bar.warm span{background:linear-gradient(90deg,#FFCE7A,var(--accent))}

/* ============ 板块标题 ============ */
.s-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px}
.s-title{
  position:relative;padding-left:16px;
  font-size:clamp(23px,2.9vw,32px);font-weight:750;line-height:1.3;
  letter-spacing:-.02em;color:var(--tx-1);
}
.s-title::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--brand-hi),var(--brand-deep));
}
.s-sub{margin-top:10px;font-size:15px;color:var(--tx-3);max-width:660px}

/* ============ 索引式布局 ============ */
.faq-layout{display:grid;grid-template-columns:262px minmax(0,1fr);gap:34px;align-items:start}
.faq-side{position:sticky;top:92px;display:flex;flex-direction:column;gap:18px}
.side-card{
  background:rgba(255,255,255,.86);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:18px;box-shadow:var(--sh-card);
}
.side-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--tx-3);margin-bottom:10px}
.side-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:11px 12px;border-radius:12px;border-left:3px solid transparent;
  font-size:14.5px;color:var(--tx-2);
  transition:background var(--t),color var(--t),border-color var(--t);
}
.side-nav a:hover{background:var(--bg-2);color:var(--tx-1)}
.side-nav a.active{
  background:rgba(18,179,154,.09);border-left-color:var(--brand);
  color:var(--brand-deep);font-weight:600;
}
.side-nav a span{font-size:12.5px;color:var(--tx-3)}
.side-note{font-size:13.5px;line-height:1.8;color:var(--tx-2)}
.side-note strong{color:var(--tx-1)}

.faq-group{
  display:block;background:rgba(255,255,255,.9);border:1px solid var(--line);
  border-radius:var(--r-xl);padding:6px 26px 18px;margin-bottom:22px;
  box-shadow:var(--sh-card);scroll-margin-top:96px;
}
.group-title{
  display:flex;align-items:center;gap:12px;
  padding:20px 0 14px;font-size:20px;font-weight:700;color:var(--tx-1);
  letter-spacing:-.01em;
}
.group-title .g-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:10px;flex:0 0 30px;
  font-size:13px;font-weight:700;
  background:rgba(18,179,154,.12);color:var(--brand-deep);
  border:1px solid rgba(18,179,154,.24);
}
.group-title .g-count{margin-left:auto;font-size:12.5px;font-weight:500;color:var(--tx-3)}
.faq-item{position:relative;border-top:1px solid var(--line)}
.faq-item:first-of-type{border-top:0}
.faq-item::before{
  content:"";position:absolute;left:-26px;top:16px;bottom:16px;width:3px;border-radius:0 3px 3px 0;
  background:linear-gradient(180deg,var(--brand-hi),var(--brand-deep));
  opacity:0;transition:opacity var(--t);
}
.faq-item.open::before{opacity:1}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:18px 0;text-align:left;font-size:17px;font-weight:600;line-height:1.65;
  color:var(--tx-1);font-family:inherit;
  transition:color var(--t);
}
.faq-q:hover{color:var(--brand-deep)}
.faq-q .ic{position:relative;flex:0 0 22px;width:22px;height:22px;margin-top:3px}
.faq-q .ic::before,.faq-q .ic::after{
  content:"";position:absolute;left:50%;top:50%;
  transform:translate(-50%,-50%);
  background:var(--brand-deep);border-radius:2px;
  transition:transform var(--t),opacity var(--t);
}
.faq-q .ic::before{width:14px;height:2px}
.faq-q .ic::after{width:2px;height:14px}
.faq-item.open .faq-q .ic::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows var(--t)}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a>div{overflow:hidden}
.faq-a p{padding:0 44px 20px 0;font-size:15px;line-height:1.9;color:var(--tx-2);max-width:780px}
.faq-empty{
  padding:26px 26px;border-radius:var(--r-lg);border:1px dashed var(--line-2);
  background:rgba(255,255,255,.7);font-size:14.5px;color:var(--tx-2);
  display:flex;align-items:center;gap:10px;
}
.faq-empty i{color:var(--brand)}

/* ============ 排查图文 ============ */
.check-band{
  display:grid;grid-template-columns:1fr 1.15fr;gap:0;
  border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--line);background:rgba(255,255,255,.88);
  box-shadow:var(--sh-card);
}
.check-media{position:relative;min-height:340px}
.check-media img{width:100%;height:100%;object-fit:cover}
.check-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(11,140,121,.28),rgba(9,28,34,.12));
}
.check-body{padding:38px 40px}
.check-body h2{margin-top:14px;font-size:clamp(21px,2.4vw,27px);font-weight:750;line-height:1.35;color:var(--tx-1);letter-spacing:-.02em}
.check-body>p{margin-top:12px;font-size:15px;line-height:1.85;color:var(--tx-2)}
.step-list{margin-top:22px;display:flex;flex-direction:column;gap:14px}
.step-list li{display:flex;gap:14px;align-items:flex-start}
.step-list .s-idx{
  flex:0 0 30px;width:30px;height:30px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:700;color:#04241F;
  background:linear-gradient(120deg,var(--brand-hi),var(--brand-deep));
}
.step-list strong{display:block;font-size:15px;font-weight:650;color:var(--tx-1)}
.step-list span{font-size:14px;line-height:1.8;color:var(--tx-2)}
.check-actions{margin-top:26px;display:flex;gap:12px;flex-wrap:wrap}

/* ============ 联系卡 / 表单 ============ */
.contact-card{
  display:grid;grid-template-columns:1fr 1.05fr;gap:0;
  border-radius:var(--r-xl);overflow:hidden;
  border:1px solid rgba(18,179,154,.24);
  background:linear-gradient(140deg,rgba(43,217,190,.12),rgba(255,255,255,.94) 52%);
  box-shadow:var(--sh-card);
}
.contact-left{padding:38px 40px}
.contact-left h2{font-size:clamp(21px,2.4vw,27px);font-weight:750;line-height:1.35;color:var(--tx-1);letter-spacing:-.02em}
.contact-left>p{margin-top:12px;font-size:15px;line-height:1.85;color:var(--tx-2);max-width:420px}
.trust-list{margin-top:24px;display:flex;flex-direction:column;gap:14px}
.trust-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--tx-2)}
.trust-list i{color:var(--brand-deep);margin-top:4px}
.contact-form{
  padding:34px 38px;background:rgba(255,255,255,.86);
  border-left:1px solid var(--line);
  display:flex;flex-direction:column;gap:16px;
}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:13px;font-weight:600;color:var(--tx-3);letter-spacing:.02em}
.field input,.field select,.field textarea{
  width:100%;border-radius:var(--r-md);border:1px solid var(--line);
  background:rgba(255,255,255,.92);
  padding:0 14px;height:48px;font-size:15px;color:var(--tx-1);outline:none;
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.field textarea{height:auto;min-height:104px;padding:12px 14px;line-height:1.75;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--tx-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(18,179,154,.16);
}
.privacy-note{font-size:12.5px;line-height:1.7;color:var(--tx-3)}
.privacy-note a{color:var(--brand-deep)}

/* ============ CTA 条 ============ */
.cta-band{padding:0 0 8px}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  padding:36px 40px;border-radius:var(--r-xl);
  background:linear-gradient(120deg,#0B3A44,#0E5B54 62%,#12B39A);
  box-shadow:0 30px 60px -34px rgba(9,40,48,.8);
}
.cta-inner h2{font-size:clamp(20px,2.3vw,26px);font-weight:750;color:#F0FBFA;letter-spacing:-.02em}
.cta-inner p{margin-top:8px;font-size:14.5px;color:rgba(226,246,244,.82);max-width:520px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.cta-actions .btn-ghost{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.3);color:#EAFBFA}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.22)}
.cta-actions .btn-primary{background:linear-gradient(120deg,#8BF6E1,#2BD9BE);color:#052A25}

/* ============ 页脚 ============ */
.site-footer{background:#08202A;color:#A9C0C8;padding:64px 0 26px;margin-top:84px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:36px}
.foot-brand .brand-row{color:#EAF7F7;font-size:19px;font-weight:800}
.foot-brand .b-ayx{color:var(--brand-hi)}
.foot-desc{margin-top:12px;font-size:13.5px;line-height:1.85;color:#8FAAB2;max-width:320px}
.foot-title{font-size:13px;font-weight:700;letter-spacing:.08em;color:#EAF7F7;margin-bottom:14px}
.foot-link{display:block;font-size:14px;color:#9FB8C0;padding:6px 0;transition:color var(--t),transform var(--t)}
.foot-link:hover{color:var(--brand-hi);transform:translateX(2px)}
.foot-contact{display:flex;flex-direction:column;gap:11px;font-size:14px}
.foot-contact li{display:flex;gap:10px;align-items:flex-start;color:#9FB8C0;line-height:1.7}
.foot-contact i{color:var(--brand);margin-top:4px;font-size:13px}
.foot-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#7E979F;
}
.foot-bottom a{color:#B6CCD3;transition:color var(--t)}
.foot-bottom a:hover{color:var(--brand-hi)}

/* ============ 抽屉 ============ */
.drawer-mask{
  position:fixed;inset:0;z-index:80;background:rgba(9,28,34,.52);
  opacity:0;pointer-events:none;transition:opacity 240ms ease;
}
.drawer-mask.open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;z-index:90;height:100%;width:min(84vw,340px);
  background:#fff;padding:22px;display:flex;flex-direction:column;gap:6px;
  transform:translateX(102%);
  transition:transform 260ms cubic-bezier(.2,.7,.3,1);
  box-shadow:-24px 0 60px -30px rgba(9,40,48,.6);
  overflow-y:auto;
}
.drawer.open{transform:none}
.drawer .brand{margin-bottom:14px}
.drawer .nav-link{display:flex;align-items:center;justify-content:space-between;padding:13px 12px;border-radius:12px;border-left:3px solid transparent}
.drawer .nav-link.active{background:rgba(18,179,154,.09);border-left-color:var(--brand)}
.drawer .nav-link.active::after{display:none}
.drawer-search{
  display:flex;align-items:center;gap:8px;height:44px;padding:0 12px;margin:8px 0 12px;
  border-radius:12px;border:1px solid var(--line);background:var(--bg-2);
}
.drawer-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px;color:var(--tx-1)}
.drawer-search i{color:var(--tx-3);font-size:13px}
.drawer .btn{margin-top:8px}

/* ============ 响应式 ============ */
@media (max-width:1180px){
  .cmd-search{width:210px}
}
@media (max-width:1080px){
  .nav-links{display:none}
  .cmd-search{display:none}
  .burger{display:inline-flex}
  .faq-layout{grid-template-columns:1fr;gap:22px}
  .faq-side{position:static;flex-direction:row;gap:14px;flex-wrap:wrap}
  .faq-side .side-card{flex:1 1 260px}
  .check-band{grid-template-columns:1fr}
  .check-media{min-height:230px}
  .contact-card{grid-template-columns:1fr}
  .contact-form{border-left:0;border-top:1px solid var(--line)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .wrap{padding:0 18px}
  .section{padding:56px 0}
  .hero{padding:32px 0 52px}
  .hero-lead{font-size:15.5px}
  .faq-group{padding:4px 18px 14px}
  .faq-item::before{left:-18px}
  .faq-a p{padding-right:12px}
  .check-body,.contact-left,.contact-form{padding:28px 22px}
  .cta-inner{padding:28px 22px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .foot-brand{grid-column:1 / -1}
  .site-footer{padding-top:52px;margin-top:64px}
}
@media (max-width:520px){
  .hero-title{font-size:30px}
  .stat-num{font-size:34px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:14px}
  .stat-card{padding:18px 16px}
  .faq-q{font-size:16px;gap:12px}
  .group-title{font-size:18px}
  .foot-grid{grid-template-columns:1fr}
  .btn{height:42px;padding:0 18px;font-size:14.5px}
  .hero-search input{height:54px;padding-right:74px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  html{scroll-behavior:auto}
  .stat-card:hover,.btn:hover{transform:none}
}