/* roulang page: index */
:root{
  --ink-900:#050A14;
  --ink-800:#0A1120;
  --ink-700:#101A2E;
  --brand:#1FE0C0;
  --brand-deep:#0FB59C;
  --link:#4C8DFF;
  --hot:#FF7A2F;
  --t1:#E9F0FA;
  --t2:#A6B4CB;
  --t3:#6B7C99;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.09);
  --glass-line:rgba(255,255,255,.10);
  --glass-line-strong:rgba(255,255,255,.18);
  --line:rgba(255,255,255,.08);
  --r-lg:18px;
  --r-md:12px;
  --r-sm:6px;
  --r-pill:999px;
  --sh-1:0 8px 24px -12px rgba(0,0,0,.6);
  --sh-2:0 18px 40px -16px rgba(0,0,0,.75);
  --sh-glow:0 8px 28px -8px rgba(31,224,192,.5);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  --nav-h:64px;
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--t2);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 520px at 12% -6%, rgba(31,224,192,.12), transparent 62%),
    radial-gradient(760px 480px at 92% 4%, rgba(76,141,255,.10), transparent 60%),
    linear-gradient(180deg,#050A14 0%,#070D1A 44%,#050A14 100%);
  z-index:-2;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--t2);text-decoration:none;transition:color .18s ease-out, border-color .18s ease-out, background-color .18s ease-out, transform .18s ease-out;}
a:hover{color:var(--brand);}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:var(--r-sm);}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
::selection{background:rgba(31,224,192,.3);color:var(--t1);}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sec) 0;position:relative;}
.section-alt{background:linear-gradient(180deg,rgba(10,17,32,0),rgba(10,17,32,.85) 22%,rgba(10,17,32,.85) 78%,rgba(10,17,32,0));}
.sec-head{max-width:760px;margin-bottom:40px;}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;line-height:1.6;letter-spacing:.06em;
  color:var(--brand);
  background:rgba(31,224,192,.08);
  border:1px solid rgba(31,224,192,.26);
  border-radius:var(--r-sm);
  padding:4px 10px;
  margin-bottom:16px;
}
.sec-title{font-size:clamp(24px,3vw,36px);line-height:1.25;font-weight:700;}
.sec-desc{margin-top:14px;font-size:16px;line-height:1.85;color:var(--t2);max-width:66ch;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;
  transition:transform .18s ease-out, box-shadow .18s ease-out, border-color .18s ease-out, color .18s ease-out, background-color .18s ease-out;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,#1FE0C0,#12B9D6);
  color:var(--ink-900);
  box-shadow:var(--sh-glow);
}
.btn-primary:hover{color:var(--ink-900);transform:translateY(-2px);box-shadow:0 14px 34px -10px rgba(31,224,192,.72);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:var(--glass);
  border:1px solid var(--glass-line-strong);
  color:var(--t2);
}
.btn-ghost:hover{color:var(--t1);border-color:var(--brand);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  height:var(--nav-h);
  background:rgba(5,10,20,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  height:100%;max-width:1200px;margin:0 auto;padding:0 24px;
  display:flex;align-items:center;
}
.nav-left{flex:0 0 52%;display:flex;align-items:center;gap:28px;min-width:0;}
.nav-right{flex:1 1 48%;display:flex;align-items:center;justify-content:flex-end;gap:14px;}
.brand{display:flex;flex-direction:column;line-height:1.12;}
.brand-main{font-size:19px;font-weight:800;color:var(--t1);letter-spacing:.01em;}
.brand-sub{font-size:11px;letter-spacing:.22em;color:var(--t3);}
.brand:hover .brand-main{color:var(--brand);}
.nav-menu{display:flex;align-items:center;gap:26px;min-width:0;overflow:hidden;}
.nav-link{
  position:relative;font-size:15px;color:var(--t2);padding:22px 0;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .18s ease-out;
}
.nav-link:hover{color:var(--t1);}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--t1);font-weight:600;}
.search-wrap{display:flex;align-items:center;}
.search-toggle{
  width:40px;height:40px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid var(--glass-line);color:var(--t2);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;
  transition:border-color .18s ease-out,color .18s ease-out;
}
.search-toggle:hover{border-color:var(--brand);color:var(--brand);}
.search-box{
  width:0;overflow:hidden;transition:width .22s ease-out;display:flex;align-items:center;
}
.search-box.is-open{width:190px;margin-left:10px;}
.search-box input{
  width:100%;height:40px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.04);border:1px solid var(--glass-line);
  color:var(--t1);padding:0 16px;font-size:14px;
}
.search-box input::placeholder{color:var(--t3);}
.search-box input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(31,224,192,.14);}
.nav-burger{
  display:none;width:40px;height:40px;border-radius:var(--r-md);
  background:var(--glass);border:1px solid var(--glass-line);color:var(--t1);
  align-items:center;justify-content:center;font-size:17px;
}
.nav-burger:hover{border-color:var(--brand);color:var(--brand);}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:300px;max-width:86vw;z-index:90;
  background:rgba(10,17,32,.94);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-left:1px solid var(--glass-line);
  transform:translateX(102%);
  transition:transform .26s ease-out;
  padding:20px;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-title{font-size:14px;color:var(--t3);letter-spacing:.12em;}
.drawer-close{background:none;border:1px solid var(--glass-line);color:var(--t2);border-radius:var(--r-md);width:36px;height:36px;font-size:16px;}
.drawer-close:hover{color:var(--brand);border-color:var(--brand);}
.drawer-nav{display:flex;flex-direction:column;margin-top:12px;}
.drawer-nav a{
  height:48px;display:flex;align-items:center;font-size:16px;color:var(--t2);
  border-bottom:1px solid var(--line);
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--brand);}
.drawer-cta{margin-top:22px;}
.drawer-cta .btn{width:100%;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,6,12,.6);z-index:80;opacity:0;pointer-events:none;transition:opacity .22s ease-out;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding-top:calc(var(--nav-h) + 46px);
  padding-bottom:56px;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;left:50%;top:10%;width:820px;height:820px;transform:translateX(-50%);
  background:radial-gradient(circle,rgba(31,224,192,.10),transparent 62%);
  pointer-events:none;z-index:-1;
}
.hero-grid{display:grid;grid-template-columns:52% 48%;gap:32px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--link);border:1px solid rgba(76,141,255,.32);
  background:rgba(76,141,255,.08);border-radius:var(--r-sm);padding:5px 10px;margin-bottom:20px;
}
.hero h1{
  font-size:clamp(30px,4.6vw,54px);
  font-weight:800;line-height:1.14;letter-spacing:-.01em;
  margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-sub{font-size:17px;line-height:1.8;color:var(--t2);max-width:34em;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.trust-bar{display:flex;flex-wrap:wrap;gap:32px;border-top:1px solid var(--line);padding-top:20px;}
.trust-bar li{display:flex;flex-direction:column;gap:2px;}
.trust-bar strong{font-family:var(--font-num);font-size:26px;color:var(--brand);line-height:1.2;font-weight:700;}
.trust-bar span{font-size:13px;line-height:1.6;color:var(--t3);}
.hero-visual{
  position:relative;width:100%;max-width:360px;margin-left:auto;
  aspect-ratio:9/16;border-radius:20px;overflow:hidden;
  border:1px solid var(--glass-line);
  box-shadow:var(--sh-2);
  background:linear-gradient(160deg,#101A2E,#050A14);
}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,10,20,.1) 0%,rgba(5,10,20,.15) 45%,rgba(5,10,20,.82) 100%);
}
.hero-float-top{
  position:absolute;top:18px;left:18px;right:18px;z-index:2;
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.09);border:1px solid var(--glass-line-strong);
  border-radius:var(--r-pill);padding:8px 14px;font-size:13px;color:var(--t1);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.play-dot{width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(31,224,192,.2);}
.hero-float-bottom{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:2;
  background:rgba(5,10,20,.66);border:1px solid var(--glass-line-strong);
  border-radius:var(--r-lg);padding:14px 16px;
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.stat-row{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--t3);}
.stat-row + .stat-row{margin-top:8px;padding-top:8px;border-top:1px solid var(--line);}
.stat-row .stat-num{font-family:var(--font-num);font-size:17px;color:var(--brand);}

/* ---------- 频道 chips ---------- */
.chips-bar{padding-bottom:56px;}
.chips{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;color:var(--t2);
  background:var(--glass);border:1px solid var(--glass-line);
  border-radius:var(--r-pill);padding:8px 16px;
  transition:border-color .18s ease-out,color .18s ease-out,background-color .18s ease-out;
}
.chip:hover{border-color:var(--brand);color:var(--brand);background:rgba(31,224,192,.07);}
.chip.is-active{border-color:var(--brand);color:var(--brand);background:rgba(31,224,192,.09);}

/* ---------- 横滑片段卡 ---------- */
.clip-track{
  display:flex;gap:16px;overflow-x:auto;padding:4px 4px 18px;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;
}
.clip-track::-webkit-scrollbar{height:6px;}
.clip-track::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:var(--r-pill);}
.clip-card{
  position:relative;flex:0 0 220px;aspect-ratio:9/16;border-radius:20px;overflow:hidden;
  border:1px solid var(--glass-line);box-shadow:var(--sh-1);scroll-snap-align:start;
  background:linear-gradient(160deg,#101A2E,#050A14);
}
.clip-card img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.clip-card::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,10,20,.2) 0%,rgba(5,10,20,.05) 40%,rgba(5,10,20,.88) 100%);
}
.clip-card:hover{transform:translateY(-4px);border-color:rgba(31,224,192,.45);box-shadow:var(--sh-2);}
.clip-card:hover img{transform:scale(1.06);}
.clip-badge{
  position:absolute;top:12px;left:12px;z-index:2;
  font-size:12px;color:var(--brand);
  background:rgba(5,10,20,.55);border:1px solid var(--glass-line-strong);
  border-radius:var(--r-sm);padding:3px 8px;
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.clip-time{
  position:absolute;right:12px;bottom:52px;z-index:2;
  font-family:var(--font-num);font-size:12px;color:var(--t1);
  background:rgba(5,10,20,.66);border-radius:var(--r-sm);padding:2px 7px;
}
.clip-play{
  position:absolute;left:50%;top:44%;transform:translate(-50%,-50%);z-index:2;
  width:48px;height:48px;border-radius:50%;
  background:rgba(255,255,255,.14);border:1px solid var(--glass-line-strong);
  display:flex;align-items:center;justify-content:center;
  transition:transform .2s ease-out,background-color .2s ease-out;
}
.clip-play::before{
  content:"";border-style:solid;border-width:8px 0 8px 13px;
  border-color:transparent transparent transparent var(--t1);margin-left:3px;
}
.clip-card:hover .clip-play{transform:translate(-50%,-50%) scale(1.06);background:rgba(31,224,192,.24);}
.clip-title{
  position:absolute;left:14px;right:14px;bottom:16px;z-index:2;
  font-size:14px;font-weight:600;color:var(--t1);line-height:1.5;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

/* ---------- 编号清单 ---------- */
.pick-list{border-top:1px solid var(--line);}
.pick-item{
  display:grid;grid-template-columns:112px 1fr;gap:20px;align-items:start;
  padding:26px 0;border-bottom:1px solid var(--line);
  transition:transform .18s ease-out;
}
.pick-item:hover{transform:translateX(4px);}
.pick-index{
  font-family:var(--font-num);font-size:clamp(40px,5vw,64px);line-height:1;
  color:rgba(31,224,192,.35);transition:color .18s ease-out;font-weight:700;
}
.pick-item:hover .pick-index{color:var(--brand);}
.pick-body h3{font-size:20px;line-height:1.4;margin-bottom:8px;}
.pick-body p{font-size:15px;line-height:1.8;color:var(--t2);max-width:60ch;}
.pick-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.tag{
  font-size:12px;color:var(--t2);background:rgba(255,255,255,.05);
  border:1px solid var(--glass-line);border-radius:var(--r-sm);padding:3px 9px;
}
.tag-hot{color:var(--hot);border-color:rgba(255,122,47,.32);background:rgba(255,122,47,.08);}

/* ---------- 价值错位栅格 ---------- */
.value-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:24px;align-items:stretch;}
.value-col{display:flex;flex-direction:column;gap:24px;}
.value-card{
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);position:relative;overflow:hidden;
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.value-card:hover{transform:translateY(-4px);border-color:rgba(31,224,192,.4);box-shadow:var(--sh-2);}
.value-card::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:1px;
  background:linear-gradient(90deg,rgba(31,224,192,.6),transparent 60%);
}
.value-icon{
  width:40px;height:40px;border-radius:var(--r-md);
  background:rgba(31,224,192,.1);border:1px solid rgba(31,224,192,.28);
  color:var(--brand);display:flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:15px;font-weight:700;margin-bottom:16px;
}
.value-card h3{font-size:20px;line-height:1.4;margin-bottom:10px;}
.value-card p{font-size:15px;line-height:1.8;color:var(--t2);}
.value-card-tall{display:flex;flex-direction:column;justify-content:space-between;}
.value-figure{margin-top:20px;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--glass-line);aspect-ratio:4/3;}
.value-figure img{width:100%;height:100%;object-fit:cover;}

/* ---------- 口碑条 ---------- */
.review-wrap{position:relative;}
.review-wrap::after{
  content:"";position:absolute;top:0;right:0;bottom:16px;width:40px;pointer-events:none;
  background:linear-gradient(90deg,rgba(5,10,20,0),rgba(5,10,20,.9));
}
.review-track{display:flex;gap:16px;overflow-x:auto;padding-bottom:16px;scroll-snap-type:x proximity;}
.review-track::-webkit-scrollbar{height:6px;}
.review-track::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:var(--r-pill);}
.review-card{
  flex:0 0 280px;scroll-snap-align:start;
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--sh-1);
}
.review-head{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.avatar{
  width:40px;height:40px;border-radius:50%;flex:0 0 40px;
  background:linear-gradient(135deg,rgba(31,224,192,.28),rgba(76,141,255,.28));
  border:1px solid var(--glass-line-strong);
  display:flex;align-items:center;justify-content:center;
  color:var(--t1);font-size:15px;font-weight:700;
}
.review-name{font-size:15px;color:var(--t1);font-weight:600;line-height:1.4;}
.review-src{font-size:12px;color:var(--t3);}
.stars{color:var(--hot);font-size:13px;letter-spacing:2px;margin-bottom:8px;}
.stars .off{color:rgba(255,122,47,.34);}
.review-text{font-size:14px;line-height:1.75;color:var(--t2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

/* ---------- CTA 横幅 ---------- */
.cta-banner{
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-lg);
  padding:36px;box-shadow:var(--sh-1);
  display:grid;grid-template-columns:1.3fr 1fr;gap:32px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-banner::before{
  content:"";position:absolute;inset:0;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);pointer-events:none;border-radius:var(--r-lg);
}
.cta-banner h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;margin-bottom:12px;}
.cta-banner p{font-size:15px;line-height:1.8;color:var(--t2);max-width:44ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.cta-form{
  background:rgba(255,255,255,.035);border:1px solid var(--glass-line);border-radius:var(--r-md);
  padding:20px;display:flex;gap:20px;align-items:center;
}
.qr-box{
  flex:0 0 120px;width:120px;height:120px;border-radius:var(--r-md);
  border:1px dashed var(--glass-line-strong);background:rgba(255,255,255,.04);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
}
.qr-box span{font-size:12px;color:var(--t3);}
.qr-mark{font-size:26px;color:var(--brand);}
.form-fields{flex:1;display:flex;flex-direction:column;gap:12px;min-width:0;}
.field label{display:block;font-size:13px;line-height:1.6;color:var(--t3);margin-bottom:6px;}
.field input{
  width:100%;height:48px;border-radius:var(--r-md);
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);
  color:var(--t1);padding:0 14px;font-size:14px;
}
.field input::placeholder{color:var(--t3);}
.field input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(31,224,192,.14);}
.form-hint{font-size:13px;color:var(--t3);}
.form-error{font-size:13px;color:var(--hot);display:none;}
.form-error.is-show{display:block;}

/* ---------- CMS 列表 ---------- */
.cms-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.cms-card{
  display:flex;flex-direction:column;
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.cms-card:hover{transform:translateY(-4px);border-color:rgba(31,224,192,.4);box-shadow:var(--sh-2);}
.cms-thumb{
  aspect-ratio:16/10;width:100%;
  background:linear-gradient(150deg,#101A2E,#0A1120 55%,rgba(31,224,192,.16));
  display:flex;align-items:center;justify-content:center;
  color:rgba(233,240,250,.28);font-size:30px;font-weight:800;letter-spacing:.1em;
}
.cms-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.cms-badge{
  align-self:flex-start;font-size:12px;color:var(--brand);
  background:rgba(31,224,192,.09);border:1px solid rgba(31,224,192,.28);
  border-radius:var(--r-sm);padding:3px 9px;
}
.cms-title{
  font-size:17px;line-height:1.5;font-weight:600;color:var(--t1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .18s ease-out;
}
.cms-card:hover .cms-title{color:var(--brand);}
.cms-summary{
  font-size:14px;line-height:1.75;color:var(--t2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;}
.cms-time{font-size:13px;color:var(--t3);font-family:var(--font-num);}
.cms-arrow{color:var(--brand);font-size:16px;transition:transform .18s ease-out;}
.cms-card:hover .cms-arrow{transform:translateX(4px);}
.cms-empty{
  border:1px dashed var(--glass-line-strong);border-radius:var(--r-lg);
  background:rgba(255,255,255,.03);
  padding:56px 24px;text-align:center;color:var(--t3);font-size:15px;
}
.cms-empty span{display:block;font-size:28px;color:rgba(31,224,192,.5);margin-bottom:12px;}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;}
.faq-item{
  background:var(--glass);border:1px solid var(--glass-line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:border-color .22s ease-out;
}
.faq-item[open]{border-color:rgba(31,224,192,.3);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--t1);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";color:var(--brand);font-size:20px;font-weight:400;line-height:1;}
.faq-item[open] summary::after{content:"−";}
.faq-item summary:hover{color:var(--brand);}
.faq-body{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--t2);}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);margin-top:40px;padding-top:56px;background:linear-gradient(180deg,rgba(10,17,32,0),rgba(10,17,32,.9));}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:40px;}
.footer-brand .brand-main{font-size:20px;}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.8;color:var(--t2);max-width:34ch;}
.footer-links-inline{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}
.footer-links-inline a{
  font-size:12px;color:var(--t3);border:1px solid var(--glass-line);border-radius:var(--r-sm);padding:3px 9px;
}
.footer-links-inline a:hover{color:var(--brand);border-color:rgba(31,224,192,.4);}
.footer-col h3{font-size:15px;color:var(--t1);margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--t2);}
.footer-col a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:2px;}
.footer-info{font-size:14px;line-height:1.9;color:var(--t2);}
.footer-info strong{color:var(--t1);font-weight:600;}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 32px;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--t3);
}
.footer-bottom a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:2px;}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sec:72px;}
  .nav-menu{display:none;}
  .nav-left{flex:0 0 auto;}
  .nav-burger{display:inline-flex;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual{margin:0 auto;max-width:300px;}
  .value-grid{grid-template-columns:1fr;}
  .cta-banner{grid-template-columns:1fr;}
  .cms-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .clip-track{scroll-snap-type:x mandatory;}
}
@media (max-width:768px){
  .search-wrap{display:none;}
  .trust-bar{gap:24px;}
  .pick-item{grid-template-columns:64px 1fr;gap:14px;}
  .cta-banner{padding:26px;}
  .cta-form{flex-direction:column;align-items:stretch;}
  .qr-box{width:100%;height:110px;flex:0 0 auto;}
}
@media (max-width:520px){
  :root{--nav-h:56px;--sec:56px;}
  .container{padding:0 18px;}
  .hero{padding-top:calc(var(--nav-h) + 30px);}
  .hero h1{font-size:30px;}
  .hero-cta .btn{width:100%;}
  .cms-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .clip-card{flex:0 0 168px;}
  .review-card{flex:0 0 250px;}
  .pick-index{font-size:38px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --ink-900:#050A14;
  --ink-800:#0A1120;
  --ink-700:#101A2E;
  --brand:#1FE0C0;
  --brand-deep:#0FB59C;
  --link:#4C8DFF;
  --hot:#FF7A2F;
  --t1:#E9F0FA;
  --t2:#A6B4CB;
  --t3:#6B7C99;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.10);
  --glass:rgba(255,255,255,.055);
  --glass-hi:inset 0 1px 0 rgba(255,255,255,.06);
  --r-lg:18px;
  --r-md:12px;
  --r-sm:6px;
  --pill:999px;
  --sh-1:0 8px 24px -12px rgba(0,0,0,.6);
  --sh-2:0 18px 40px -16px rgba(0,0,0,.75);
  --sh-glow:0 8px 28px -8px rgba(31,224,192,.5);
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:32px;
  --sp-5:40px;
  --sp-6:56px;
  --sp-7:72px;
  --sp-8:96px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --font-num:"SFMono-Regular","Roboto Condensed","Arial Narrow",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 82% -8%,rgba(31,224,192,.10),transparent 62%),
    radial-gradient(900px 520px at 6% 4%,rgba(76,141,255,.10),transparent 60%),
    var(--ink-900);
  color:var(--t2);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  min-height:100vh;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease-out,border-color .18s ease-out,opacity .18s ease-out;}
a:hover{color:var(--brand);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea{font-family:inherit;font-size:15px;}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;line-height:1.28;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--sp-3);}
.container-narrow{width:100%;max-width:760px;margin:0 auto;padding:0 var(--sp-3);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,10,20,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 var(--sp-3);
  height:64px;display:flex;align-items:center;justify-content:space-between;gap:var(--sp-2);
}
.nav-left{display:flex;align-items:center;gap:var(--sp-5);min-width:0;flex:0 0 52%;}
.nav-right{display:flex;align-items:center;gap:var(--sp-2);flex:0 0 48%;justify-content:flex-end;}
.brand{display:flex;flex-direction:column;line-height:1.1;gap:1px;flex:0 0 auto;}
.brand-main{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--t1);}
.brand-sub{font-size:11px;letter-spacing:.16em;color:var(--brand);font-weight:600;}
.brand:hover .brand-main{color:var(--brand);}
.nav-menu{display:flex;align-items:center;gap:var(--sp-3);min-width:0;}
.nav-link{
  position:relative;font-size:14.5px;color:var(--t2);padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .18s ease-out;
}
.nav-link:hover{color:var(--t1);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--t1);font-weight:600;}
.nav-link.is-active::after{transform:scaleX(1);}
.search-wrap{display:flex;align-items:center;gap:8px;}
.search-toggle{
  width:38px;height:38px;border-radius:var(--pill);border:1px solid var(--line-strong);
  color:var(--t2);font-size:17px;display:grid;place-items:center;background:var(--glass);
  transition:all .18s ease-out;
}
.search-toggle:hover{color:var(--t1);border-color:var(--brand);}
.search-box{width:0;overflow:hidden;transition:width .22s ease-out;}
.search-box.is-open{width:210px;}
.search-box input{
  width:100%;height:38px;border-radius:var(--pill);border:1px solid var(--line-strong);
  background:rgba(255,255,255,.04);color:var(--t1);padding:0 16px;
}
.search-box input::placeholder{color:var(--t3);}
.search-box input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(31,224,192,.14);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--pill);font-size:15px;font-weight:700;
  padding:13px 26px;line-height:1;white-space:nowrap;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,border-color .18s ease-out,color .18s ease-out;
}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-primary{
  background:linear-gradient(135deg,#1FE0C0,#12B9D6);color:var(--ink-900);
  box-shadow:var(--sh-1);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-glow);color:var(--ink-900);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-ghost{
  background:var(--glass);border:1px solid rgba(255,255,255,.18);color:var(--t2);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--t1);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.nav-burger{
  display:none;width:40px;height:40px;border-radius:var(--r-md);
  border:1px solid var(--line-strong);background:var(--glass);color:var(--t1);font-size:17px;
}
.mobile-drawer{
  position:fixed;inset:0 0 0 auto;width:min(84vw,340px);z-index:80;
  background:rgba(10,17,32,.96);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-left:1px solid var(--line-strong);
  transform:translateX(100%);transition:transform .24s ease-out;
  padding:20px;display:flex;flex-direction:column;gap:6px;
}
.mobile-drawer.is-open{transform:translateX(0);}
.mobile-drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.mobile-drawer a.drawer-link{
  height:48px;display:flex;align-items:center;border-bottom:1px solid var(--line);
  color:var(--t2);font-size:15px;
}
.mobile-drawer a.drawer-link:hover{color:var(--brand);}
.drawer-close{width:36px;height:36px;border-radius:var(--r-md);border:1px solid var(--line-strong);color:var(--t1);}
.drawer-mask{
  position:fixed;inset:0;background:rgba(5,10,20,.6);z-index:70;opacity:0;pointer-events:none;
  transition:opacity .24s ease-out;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}

/* ---------- article ---------- */
.page-main{padding-top:var(--sp-6);padding-bottom:var(--sp-8);}
.breadcrumb{
  font-size:13px;color:var(--t3);display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  margin-bottom:14px;
}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:rgba(255,255,255,.2);}
.breadcrumb .current{color:var(--t2);}
.article-head{
  border-bottom:1px solid var(--line);padding-bottom:var(--sp-4);margin-bottom:var(--sp-5);
}
.article-title{
  font-size:clamp(26px,3.2vw,38px);line-height:1.3;font-weight:800;letter-spacing:-.01em;
  color:var(--t1);max-width:860px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:18px;
  font-size:13px;color:var(--t3);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.22);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;color:var(--brand);
  background:var(--glass);border:1px solid rgba(31,224,192,.34);
  border-radius:var(--r-sm);padding:5px 10px;line-height:1;
}
.meta-num{font-family:var(--font-num);letter-spacing:.02em;}
.article-body{font-size:16px;line-height:1.85;color:var(--t2);}
.article-body > * + *{margin-top:22px;}
.article-body p{max-width:66ch;}
.article-body h2{
  font-size:clamp(21px,2.2vw,26px);line-height:1.35;font-weight:700;color:var(--t1);
  margin-top:var(--sp-5);margin-bottom:var(--sp-2);padding-left:14px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:3px;border-radius:2px;
  background:linear-gradient(180deg,#1FE0C0,#12B9D6);
}
.article-body h3{font-size:20px;font-weight:700;line-height:1.4;color:var(--t1);margin-top:var(--sp-4);}
.article-body ul,.article-body ol{padding-left:2px;}
.article-body ul li,.article-body ol li{
  position:relative;padding-left:26px;margin-bottom:10px;max-width:66ch;
}
.article-body ul li::before{
  content:"";position:absolute;left:6px;top:.72em;width:7px;height:7px;border-radius:2px;
  background:var(--brand);transform:rotate(45deg);
}
.article-body ol{counter-reset:li;}
.article-body ol li{counter-increment:li;}
.article-body ol li::before{
  content:counter(li,decimal-leading-zero);
  position:absolute;left:0;top:0;font-family:var(--font-num);font-size:13px;
  color:var(--brand);font-weight:700;letter-spacing:.04em;
}
.article-body blockquote{
  margin:26px 0;padding:18px 20px;border-left:3px solid var(--brand);
  background:var(--glass);border-radius:0 var(--r-md) var(--r-md) 0;
  color:var(--t2);box-shadow:var(--glass-hi);
}
.article-body blockquote p{max-width:none;}
.article-body img{
  border-radius:16px;width:100%;height:auto;border:1px solid var(--line-strong);
  box-shadow:var(--sh-1);
}
.article-body figure{margin:26px 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--t3);margin-top:10px;}
.article-body a{color:var(--link);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--brand);}
.article-body table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:560px;}
.article-body .table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:var(--r-md);}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);}
.article-body th{background:rgba(255,255,255,.05);color:var(--t1);font-size:14px;font-weight:700;}
.article-body tr:last-child td{border-bottom:0;}
.article-body strong{color:var(--t1);}
.article-body hr{border:0;height:1px;background:var(--line);}

.empty-state{
  border:1px dashed rgba(255,255,255,.2);border-radius:var(--r-lg);
  background:var(--glass);padding:56px 24px;text-align:center;
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:var(--pill);
  display:grid;place-items:center;font-size:22px;color:var(--brand);
  background:rgba(31,224,192,.10);border:1px solid rgba(31,224,192,.28);
}
.empty-state h2{font-size:20px;margin-bottom:10px;}
.empty-state p{color:var(--t3);font-size:14.5px;margin-bottom:22px;}

.article-actions{
  margin-top:var(--sp-5);padding-top:var(--sp-4);border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--sp-2);
}
.share-slots{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--t3);}
.share-slots .slot{
  width:36px;height:36px;border-radius:var(--r-md);border:1px solid var(--line-strong);
  background:var(--glass);display:grid;place-items:center;color:var(--t2);font-size:14px;
  transition:all .18s ease-out;
}
.share-slots .slot:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-2px);}

.section{padding-top:var(--sp-7);}
.section-head{margin-bottom:var(--sp-4);}
.section-head h2{font-size:clamp(22px,2.6vw,30px);}
.section-head p{color:var(--t3);font-size:14.5px;margin-top:10px;max-width:64ch;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-3);}
.related-card{
  display:flex;flex-direction:column;border-radius:var(--r-lg);overflow:hidden;
  background:var(--glass);border:1px solid var(--line-strong);box-shadow:var(--glass-hi),var(--sh-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(31,224,192,.36);}
.related-card .thumb{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(140deg,#101A2E,#050A14);}
.related-card .thumb img{width:100%;height:100%;object-fit:cover;}
.related-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.related-card h3{font-size:17px;line-height:1.45;font-weight:700;}
.related-card:hover h3{color:var(--brand);}
.related-card p{font-size:14px;color:var(--t3);line-height:1.7;}
.related-card .foot{margin-top:auto;font-size:13px;color:var(--t3);display:flex;align-items:center;gap:8px;}
.related-card .foot i{color:var(--brand);}

.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-3);margin-top:var(--sp-6);}
.post-nav a{
  display:flex;flex-direction:column;gap:8px;padding:22px;border-radius:var(--r-lg);
  background:var(--glass);border:1px solid var(--line-strong);box-shadow:var(--glass-hi);
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.post-nav a:hover{transform:translateY(-3px);border-color:rgba(31,224,192,.4);box-shadow:var(--sh-2);}
.post-nav .label{font-size:12.5px;color:var(--t3);letter-spacing:.08em;}
.post-nav .title{font-size:16px;font-weight:700;color:var(--t1);}
.post-nav .next{text-align:right;align-items:flex-end;}

.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  border:1px solid var(--line-strong);border-radius:14px;background:var(--glass);
  box-shadow:var(--glass-hi);overflow:hidden;transition:border-color .22s ease-out;
}
.faq-item.is-open{border-color:rgba(31,224,192,.32);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;font-size:16px;font-weight:600;color:var(--t1);line-height:1.6;
}
.faq-q .icon{color:var(--brand);font-size:18px;flex:0 0 auto;font-weight:400;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease-out;}
.faq-a .inner{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--t2);}

.cta-band{
  margin-top:var(--sp-7);
  border:1px solid var(--line-strong);border-radius:var(--r-lg);
  background:linear-gradient(120deg,rgba(31,224,192,.10),rgba(76,141,255,.08) 55%,rgba(255,255,255,.04));
  box-shadow:var(--glass-hi),var(--sh-1);
  padding:var(--sp-5);display:grid;grid-template-columns:1.35fr .65fr;gap:var(--sp-4);align-items:center;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);}
.cta-band p{color:var(--t2);font-size:15px;margin-top:12px;max-width:56ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.qr-box{
  width:132px;height:132px;border-radius:var(--r-md);border:1px dashed rgba(255,255,255,.24);
  background:rgba(255,255,255,.04);display:grid;place-items:center;text-align:center;
  font-size:12.5px;color:var(--t3);justify-self:end;padding:12px;
}

/* ---------- footer ---------- */
.site-footer{
  margin-top:var(--sp-8);border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,17,32,.6),rgba(5,10,20,.95));
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:var(--sp-4);
  padding:var(--sp-6) 0 var(--sp-5);
}
.footer-brand .brand{margin-bottom:16px;}
.footer-desc{font-size:14px;color:var(--t3);line-height:1.8;max-width:34ch;}
.footer-links-inline{display:flex;flex-wrap:wrap;gap:14px;margin-top:16px;font-size:13.5px;color:var(--t2);}
.footer-col h3{font-size:15px;color:var(--t1);margin-bottom:16px;font-weight:700;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col ul a{font-size:14px;color:var(--t2);}
.footer-col ul a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.footer-info{font-size:13.5px;color:var(--t3);line-height:2;}
.footer-info strong{color:var(--t2);font-weight:600;}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--t3);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .nav-left{flex:1 1 auto;}
  .nav-right{flex:0 0 auto;}
  .nav-menu{display:none;}
  .nav-burger{display:grid;place-items:center;}
  .search-box.is-open{width:150px;}
  .related-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--sp-3);}
  .cta-band{grid-template-columns:1fr;}
  .qr-box{justify-self:start;}
}
@media (max-width:768px){
  .page-main{padding-top:var(--sp-5);padding-bottom:var(--sp-7);}
  .section{padding-top:var(--sp-6);}
  .post-nav{grid-template-columns:1fr;}
  .post-nav .next{text-align:left;align-items:flex-start;}
  .article-actions{flex-direction:column;align-items:flex-start;}
}
@media (max-width:640px){
  .nav-inner{height:56px;}
  .search-wrap{display:none;}
  .brand-main{font-size:17px;}
  .brand-sub{font-size:10px;}
  .related-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:var(--sp-4) var(--sp-3);}
  .btn{width:100%;}
  .cta-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --ink-900:#050A14;
  --ink-800:#0A1120;
  --ink-700:#101A2E;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.09);
  --stroke:rgba(255,255,255,.10);
  --stroke-strong:rgba(255,255,255,.18);
  --brand:#1FE0C0;
  --brand-deep:#0FB59C;
  --link:#4C8DFF;
  --hot:#FF7A2F;
  --t1:#E9F0FA;
  --t2:#A6B4CB;
  --t3:#6B7C99;
  --line:rgba(255,255,255,.08);
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:6px;
  --shadow-1:0 8px 24px -12px rgba(0,0,0,.6);
  --shadow-2:0 18px 40px -16px rgba(0,0,0,.75);
  --shadow-glow:0 8px 28px -8px rgba(31,224,192,.5);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --font-num:"Roboto Condensed","DIN Alternate","Helvetica Neue",Arial,sans-serif;
  --space-1:8px;
  --space-2:16px;
  --space-3:24px;
  --space-4:32px;
  --space-5:48px;
  --space-6:64px;
  --space-7:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding:0;
  background:var(--ink-900);
  color:var(--t2);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(680px 420px at 12% -6%,rgba(31,224,192,.10),transparent 70%),
    radial-gradient(720px 460px at 92% 4%,rgba(76,141,255,.10),transparent 72%),
    linear-gradient(180deg,#050A14 0%,#070E1C 60%,#050A14 100%);
  z-index:-1;
  pointer-events:none;
}
h1,h2,h3,h4{color:var(--t1);margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0}
a{color:inherit;text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--brand)}
img{max-width:100%;display:block;border:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.container-narrow{width:100%;max-width:1140px;margin:0 auto;padding:0 24px}
.num{font-family:var(--font-num);letter-spacing:.02em}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(5,10,20,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.nav-left{display:flex;align-items:center;gap:28px;min-width:0;flex:0 1 52%}
.nav-right{display:flex;align-items:center;gap:14px;flex:0 1 48%;justify-content:flex-end}
.brand{display:inline-flex;flex-direction:column;line-height:1.1;flex-shrink:0}
.brand-main{
  font-size:19px;
  font-weight:800;
  color:var(--t1);
  letter-spacing:-.01em;
}
.brand-sub{
  font-size:11px;
  letter-spacing:.22em;
  color:var(--brand);
  margin-top:3px;
}
.brand:hover .brand-sub{color:var(--brand)}
.nav-menu{display:flex;align-items:center;gap:24px;min-width:0}
.nav-link{
  position:relative;
  font-size:15px;
  color:var(--t2);
  padding:6px 0;
  white-space:nowrap;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease-out;
  border-radius:2px;
}
.nav-link:hover{color:var(--t1)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--t1)}
.nav-link.is-active::after{transform:scaleX(1)}
.search-wrap{position:relative;display:flex;align-items:center}
.search-toggle{
  width:36px;height:36px;
  border-radius:50%;
  border:1px solid var(--stroke);
  background:var(--glass);
  color:var(--t2);
  font-size:17px;
  line-height:1;
  display:flex;align-items:center;justify-content:center;
  transition:all .18s ease-out;
}
.search-toggle:hover{color:var(--brand);border-color:rgba(31,224,192,.5);transform:translateY(-1px)}
.search-toggle:active{transform:translateY(0)}
.search-box{
  width:0;
  overflow:hidden;
  transition:width .24s ease-out,opacity .24s ease-out;
  opacity:0;
}
.search-box.is-open{width:210px;opacity:1;margin-left:8px}
.search-box input{
  width:100%;
  height:36px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);
  color:var(--t1);
}
.search-box input::placeholder{color:var(--t3)}
.search-box input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(31,224,192,.16)}
.nav-burger{
  display:none;
  width:38px;height:38px;
  border-radius:10px;
  border:1px solid var(--stroke);
  background:var(--glass);
  color:var(--t1);
  font-size:18px;
  align-items:center;justify-content:center;
}
.nav-burger:hover{border-color:rgba(31,224,192,.5);color:var(--brand)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  white-space:nowrap;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-primary{
  background:linear-gradient(135deg,#1FE0C0,#12B9D6);
  color:var(--ink-900);
  box-shadow:0 8px 24px -12px rgba(0,0,0,.6);
}
.btn-primary:hover{
  color:var(--ink-900);
  transform:translateY(-2px);
  box-shadow:var(--shadow-glow);
}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:var(--glass);
  border-color:rgba(255,255,255,.18);
  color:var(--t2);
  backdrop-filter:blur(8px);
}
.btn-ghost:hover{
  color:var(--t1);
  border-color:var(--brand);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(0)}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  min-height:300px;
  display:flex;
  align-items:center;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(100deg,rgba(5,10,20,.94) 8%,rgba(5,10,20,.72) 52%,rgba(5,10,20,.55) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  transform:scale(1.02);
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background:radial-gradient(560px 300px at 82% 20%,rgba(31,224,192,.16),transparent 70%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;padding:64px 0 56px;max-width:720px}
.breadcrumb{
  font-size:13px;
  color:var(--t3);
  line-height:1.6;
  margin-bottom:12px;
}
.breadcrumb a{color:var(--t3)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{margin:0 8px;opacity:.6}
.breadcrumb .current{color:var(--t2)}
.hero-title{
  font-size:clamp(30px,4.4vw,50px);
  font-weight:800;
  line-height:1.14;
  letter-spacing:-.01em;
  margin-bottom:16px;
}
.hero-title .hl{
  color:var(--brand);
  background:linear-gradient(135deg,#1FE0C0,#12B9D6);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
.hero-sub{
  font-size:16px;
  line-height:1.85;
  color:var(--t2);
  max-width:60ch;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:28px;
  padding-top:20px;
  border-top:1px solid var(--line);
}
.hero-stat strong{
  display:block;
  font-family:var(--font-num);
  font-size:26px;
  font-weight:700;
  color:var(--brand);
  line-height:1.1;
}
.hero-stat span{font-size:13px;color:var(--t3);line-height:1.6}

/* ---------- 板块 ---------- */
.section{padding:var(--space-7) 0}
.section-alt{background:var(--ink-800);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:var(--space-5)}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.18em;
  color:var(--brand);
  margin-bottom:14px;
  text-transform:uppercase;
}
.eyebrow::before{
  content:"";
  width:22px;height:1px;
  background:var(--brand);
  opacity:.7;
}
.section-title{
  font-size:clamp(24px,3vw,36px);
  font-weight:700;
  line-height:1.25;
  margin-bottom:14px;
}
.section-desc{font-size:16px;color:var(--t2);max-width:66ch}

/* ---------- 磁贴矩阵 ---------- */
.tile-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.tile{
  display:flex;
  flex-direction:column;
  background:var(--glass);
  border:1px solid var(--stroke);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.tile:nth-child(even){margin-top:34px}
.tile:hover{
  transform:translateY(-4px);
  border-color:rgba(31,224,192,.4);
  box-shadow:var(--shadow-2);
}
.tile-media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:linear-gradient(135deg,#0C1728,#101A2E);
}
.tile-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .4s ease-out;
}
.tile:hover .tile-media img{transform:scale(1.05)}
.tile-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,10,20,0) 45%,rgba(5,10,20,.72) 100%);
}
.tile-body{
  padding:22px 24px 24px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.tag{
  display:inline-flex;
  align-items:center;
  align-self:flex-start;
  padding:4px 10px;
  border-radius:var(--radius-sm);
  background:rgba(31,224,192,.10);
  border:1px solid rgba(31,224,192,.28);
  color:var(--brand);
  font-size:12px;
  line-height:1.6;
  letter-spacing:.02em;
}
.tag-cool{
  background:rgba(76,141,255,.10);
  border-color:rgba(76,141,255,.30);
  color:#8FB6FF;
}
.tag-hot{
  background:rgba(255,122,47,.12);
  border-color:rgba(255,122,47,.32);
  color:#FFA46E;
}
.tile-body h3{font-size:19px;line-height:1.42}
.tile-body p{font-size:14.5px;line-height:1.8;color:var(--t2)}
.tile-arrow{
  margin-top:auto;
  padding-top:8px;
  font-size:14px;
  color:var(--link);
  display:inline-flex;
  align-items:center;
  gap:6px;
  transition:gap .18s ease-out,color .18s ease-out;
}
.tile:hover .tile-arrow{gap:12px;color:var(--brand)}

/* ---------- 自检清单 ---------- */
.check-layout{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:28px;
  align-items:start;
}
.check-list{
  background:var(--glass);
  border:1px solid var(--stroke);
  border-radius:var(--radius-lg);
  padding:8px 24px;
  box-shadow:var(--shadow-1);
}
.check-item{
  display:flex;
  gap:18px;
  padding:22px 0;
  border-bottom:1px solid var(--line);
  transition:transform .18s ease-out;
}
.check-item:last-child{border-bottom:0}
.check-item:hover{transform:translateX(4px)}
.check-num{
  font-family:var(--font-num);
  font-size:20px;
  font-weight:700;
  color:rgba(31,224,192,.55);
  min-width:38px;
  line-height:1.5;
  transition:color .2s ease-out;
}
.check-item:hover .check-num{color:var(--brand)}
.check-item h3{font-size:17px;line-height:1.5;margin-bottom:6px}
.check-item p{font-size:14.5px;color:var(--t2);line-height:1.8}
.check-item .chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.chip{
  font-size:12px;
  padding:3px 10px;
  border-radius:999px;
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.03);
  color:var(--t3);
  line-height:1.7;
}
.check-side{
  position:sticky;
  top:88px;
  background:linear-gradient(160deg,rgba(31,224,192,.10),rgba(255,255,255,.035));
  border:1px solid var(--stroke);
  border-radius:var(--radius-lg);
  padding:28px 26px;
  box-shadow:var(--shadow-1);
}
.check-side h3{font-size:20px;margin-bottom:12px}
.check-side p{font-size:14.5px;color:var(--t2);margin-bottom:20px}
.metric-row{
  display:flex;
  justify-content:space-between;
  align-items:baseline;
  gap:12px;
  padding:14px 0;
  border-top:1px solid var(--line);
}
.metric-row:first-of-type{border-top:0}
.metric-row strong{
  font-family:var(--font-num);
  font-size:24px;
  color:var(--t1);
  font-weight:700;
}
.metric-row span{font-size:13px;color:var(--t3)}

/* ---------- 2+1 错位栅格 ---------- */
.asym-grid{
  display:grid;
  grid-template-columns:1.25fr .75fr;
  gap:24px;
}
.asym-left{display:grid;gap:24px}
.feature-card{
  display:flex;
  gap:20px;
  align-items:flex-start;
  background:var(--glass);
  border:1px solid var(--stroke);
  border-radius:var(--radius-lg);
  padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.feature-card:hover{
  transform:translateY(-3px);
  border-color:rgba(31,224,192,.35);
  box-shadow:var(--shadow-2);
}
.feature-icon{
  flex:0 0 46px;
  width:46px;height:46px;
  border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(76,141,255,.12);
  border:1px solid rgba(76,141,255,.28);
  color:#8FB6FF;
  font-size:18px;
}
.feature-card h3{font-size:18px;margin-bottom:8px}
.feature-card p{font-size:14.5px;color:var(--t2);line-height:1.8}
.asym-side{
  background:linear-gradient(170deg,rgba(16,26,46,.95),rgba(10,17,32,.95));
  border:1px solid var(--stroke);
  border-radius:var(--radius-lg);
  padding:28px 26px;
  display:flex;
  flex-direction:column;
  box-shadow:var(--shadow-1);
}
.asym-side .tag{align-self:flex-start;margin-bottom:16px}
.asym-side h3{font-size:21px;margin-bottom:12px;line-height:1.4}
.asym-side p{font-size:14.5px;color:var(--t2);line-height:1.85;margin-bottom:18px}
.side-list{display:grid;gap:12px;margin-bottom:22px}
.side-list li{
  display:flex;
  gap:10px;
  font-size:14px;
  color:var(--t2);
  line-height:1.75;
}
.side-list li::before{
  content:"";
  flex:0 0 6px;
  height:6px;
  margin-top:9px;
  border-radius:50%;
  background:var(--brand);
  opacity:.75;
}
.asym-side .btn{margin-top:auto;width:100%}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  position:relative;
  background:var(--glass);
  border:1px solid var(--stroke);
  border-radius:22px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06),var(--shadow-1);
  padding:40px;
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:36px;
  align-items:center;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(420px 260px at 88% 12%,rgba(31,224,192,.14),transparent 70%);
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:1}
.cta-band h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;margin-bottom:12px}
.cta-band p{font-size:15px;color:var(--t2);margin-bottom:22px;max-width:52ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-form{
  background:rgba(255,255,255,.035);
  border:1px solid var(--stroke);
  border-radius:16px;
  padding:22px;
}
.field{margin-bottom:16px}
.field label{
  display:block;
  font-size:13px;
  color:var(--t3);
  margin-bottom:8px;
  letter-spacing:.02em;
}
.field input{
  width:100%;
  height:48px;
  padding:0 14px;
  border-radius:12px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);
  color:var(--t1);
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.field input::placeholder{color:var(--t3)}
.field input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(31,224,192,.16);
}
.field .err{display:block;font-size:13px;color:var(--hot);margin-top:6px;min-height:0}
.cta-form .btn-primary{width:100%;margin-top:4px}
.form-note{font-size:13px;color:var(--t3);margin-top:12px;line-height:1.7}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--space-7);
  background:var(--ink-800);
  border-top:1px solid var(--line);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding:64px 0 40px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-desc{font-size:14px;color:var(--t2);line-height:1.85;max-width:34ch;margin-bottom:18px}
.footer-links-inline{display:flex;flex-wrap:wrap;gap:14px}
.footer-links-inline a{font-size:13px;color:var(--t3)}
.footer-links-inline a:hover{color:var(--brand);text-underline-offset:2px;text-decoration:underline}
.footer-col h3{
  font-size:15px;
  margin-bottom:18px;
  color:var(--t1);
  letter-spacing:.02em;
}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:var(--t2)}
.footer-col a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:2px}
.footer-info{font-size:14px;color:var(--t2);line-height:2}
.footer-info strong{color:var(--t3);font-weight:500}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0 30px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  align-items:center;
  font-size:13px;
  color:var(--t3);
  line-height:1.7;
}

/* ---------- 移动端抽屉 ---------- */
.drawer{
  position:fixed;
  inset:0;
  z-index:90;
  background:rgba(5,10,20,.6);
  backdrop-filter:blur(4px);
  opacity:0;
  visibility:hidden;
  transition:opacity .22s ease-out,visibility .22s ease-out;
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer-panel{
  position:absolute;
  top:0;right:0;
  width:min(84vw,340px);
  height:100%;
  background:rgba(10,17,32,.96);
  border-left:1px solid var(--stroke);
  padding:24px 22px 36px;
  transform:translateX(100%);
  transition:transform .26s ease-out;
  overflow-y:auto;
}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:18px;
  margin-bottom:14px;
  border-bottom:1px solid var(--line);
}
.drawer-close{
  width:36px;height:36px;
  border-radius:10px;
  border:1px solid var(--stroke);
  background:var(--glass);
  color:var(--t1);
  font-size:18px;
  display:flex;align-items:center;justify-content:center;
}
.drawer-close:hover{color:var(--brand);border-color:rgba(31,224,192,.5)}
.drawer-nav{display:grid;margin-bottom:22px}
.drawer-nav a{
  display:flex;
  align-items:center;
  min-height:48px;
  font-size:16px;
  color:var(--t2);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--brand)}
.drawer-nav a:hover{color:var(--brand)}
.drawer .btn{width:100%}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-menu{display:none}
  .nav-burger{display:inline-flex}
  .nav-left{flex:1 1 auto}
  .nav-right{flex:0 0 auto}
  .section{padding:72px 0}
  .tile-grid{grid-template-columns:1fr;gap:20px}
  .tile:nth-child(even){margin-top:0}
  .check-layout{grid-template-columns:1fr}
  .check-side{position:static}
  .asym-grid{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;padding:48px 0 32px}
}
@media (max-width:768px){
  .nav-inner{height:56px;padding:0 18px}
  .container,.container-narrow{padding:0 18px}
  .search-box.is-open{width:150px}
  .nav-right .btn-sm{display:none}
  .hero-inner{padding:48px 0 44px}
  .hero-stats{gap:20px}
  .hero-stat strong{font-size:22px}
  .section{padding:56px 0}
  .tile-body{padding:18px 20px 20px}
  .check-list{padding:6px 18px}
  .cta-band{padding:26px 20px;border-radius:18px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .search-wrap{display:none}
  .hero-title{font-size:clamp(27px,7vw,34px)}
  .feature-card{flex-direction:column;gap:14px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --ink-900:#050A14;
  --ink-800:#0A1120;
  --ink-700:#101A2E;
  --brand:#1FE0C0;
  --brand-deep:#0FB59C;
  --link:#4C8DFF;
  --hot:#FF7A2F;
  --t1:#E9F0FA;
  --t2:#A6B4CB;
  --t3:#6B7C99;
  --line:rgba(255,255,255,.08);
  --glass:rgba(255,255,255,.055);
  --glass-line:rgba(255,255,255,.10);
  --glass-hi:inset 0 1px 0 rgba(255,255,255,.06);
  --r-lg:18px;
  --r-md:12px;
  --r-sm:6px;
  --r-pill:999px;
  --sh-1:0 8px 24px -12px rgba(0,0,0,.6);
  --sh-2:0 18px 40px -16px rgba(0,0,0,.75);
  --glow:0 8px 28px -8px rgba(31,224,192,.5);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-num:"Bahnschrift","DIN Alternate","Roboto Condensed","Arial Narrow",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--t2);
  background:
    radial-gradient(1100px 540px at 82% -8%, rgba(31,224,192,.10), transparent 62%),
    radial-gradient(900px 520px at -6% 4%, rgba(76,141,255,.12), transparent 58%),
    var(--ink-900);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
a:hover{text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
::selection{background:rgba(31,224,192,.28);color:var(--t1)}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.container-narrow{max-width:1140px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,10,20,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:1200px;margin:0 auto;padding:0 24px;
  min-height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.nav-left{display:flex;align-items:center;gap:26px;flex:1 1 52%;min-width:0}
.nav-right{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand{display:flex;flex-direction:column;line-height:1.06;flex:0 0 auto}
.brand-main{font-size:17px;font-weight:800;color:var(--t1);letter-spacing:.01em}
.brand-sub{font-size:11px;color:var(--brand);letter-spacing:.14em;margin-top:2px}
.brand:hover .brand-main{color:var(--brand)}
.brand:hover .brand-sub{color:var(--t1)}
.nav-menu{display:flex;align-items:center;gap:22px;min-width:0}
.nav-link{
  position:relative;display:inline-block;font-size:15px;color:var(--t2);
  padding:21px 0;transition:color .18s ease-out;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease-out;
}
.nav-link:hover{color:var(--t1)}
.nav-link:hover::after{transform:scaleX(.5)}
.nav-link.is-active{color:var(--t1)}
.nav-link.is-active::after{transform:scaleX(1)}
.search-wrap{position:relative;display:flex;align-items:center}
.search-toggle{
  width:38px;height:38px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid var(--glass-line);color:var(--t2);
  font-size:17px;line-height:1;cursor:pointer;display:grid;place-items:center;
  transition:color .18s,border-color .18s,transform .18s;
}
.search-toggle:hover{color:var(--brand);border-color:rgba(31,224,192,.55)}
.search-toggle:active{transform:scale(.96)}
.search-box{
  position:absolute;right:46px;top:50%;
  transform:translateY(-50%) scaleX(.35);transform-origin:right center;
  opacity:0;pointer-events:none;transition:opacity .2s ease-out,transform .2s ease-out;
}
.search-box.is-open{opacity:1;transform:translateY(-50%) scaleX(1);pointer-events:auto}
.search-box input{
  width:250px;height:38px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.04);border:1px solid var(--glass-line);
  padding:0 16px;color:var(--t1);font-size:14px;
}
.search-box input::placeholder{color:var(--t3)}
.search-box input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(31,224,192,.15)}
.nav-burger{
  display:none;width:38px;height:38px;border-radius:var(--r-pill);
  background:var(--glass);border:1px solid var(--glass-line);color:var(--t1);
  cursor:pointer;font-size:16px;place-items:center;
}
.nav-burger:hover{border-color:rgba(31,224,192,.55);color:var(--brand)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;padding:12px 24px;cursor:pointer;
  transition:transform .18s ease-out,box-shadow .18s,border-color .18s,color .18s,background .18s;
}
.btn-primary{background:linear-gradient(135deg,#1FE0C0,#12B9D6);color:var(--ink-900);box-shadow:var(--sh-1)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--glow)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{background:var(--glass);border-color:rgba(255,255,255,.18);color:var(--t2)}
.btn-ghost:hover{border-color:var(--brand);color:var(--t1);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}

/* ---------- drawer ---------- */
.drawer-backdrop{
  position:fixed;inset:0;background:rgba(5,10,20,.62);z-index:70;
  opacity:0;pointer-events:none;transition:opacity .25s ease-out;
}
.drawer-backdrop.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:80;
  background:rgba(10,17,32,.96);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-left:1px solid var(--glass-line);padding:20px;
  transform:translateX(100%);transition:transform .28s ease-out;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.drawer-close{
  width:36px;height:36px;border-radius:var(--r-pill);background:var(--glass);
  border:1px solid var(--glass-line);color:var(--t2);cursor:pointer;display:grid;place-items:center;
}
.drawer-close:hover{color:var(--brand);border-color:rgba(31,224,192,.55)}
.drawer-list{margin-top:18px;display:grid}
.drawer-list a{
  display:flex;align-items:center;min-height:48px;font-size:16px;color:var(--t2);
  border-bottom:1px solid var(--line);
}
.drawer-list a:hover{color:var(--brand)}
.drawer-list a.is-active{color:var(--t1)}
.drawer-cta{margin-top:20px}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:72px 0 60px;
  background:
    linear-gradient(180deg,rgba(5,10,20,.66) 0%,rgba(5,10,20,.92) 72%,var(--ink-900) 100%),
    url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(31,224,192,.5),transparent);
}
.breadcrumbs{font-size:13px;color:var(--t3);margin-bottom:12px}
.breadcrumbs a{color:var(--t3);transition:color .18s}
.breadcrumbs a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:2px}
.breadcrumbs .sep{margin:0 7px;opacity:.55}
.breadcrumbs .current{color:var(--t2)}
.page-hero h1{
  font-size:clamp(30px,4.6vw,54px);font-weight:800;line-height:1.14;
  letter-spacing:-.01em;color:var(--t1);max-width:15em;
}
.lede{max-width:660px;font-size:16px;color:var(--t2);margin-top:16px}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px 36px;margin-top:30px}
.hero-stat{min-width:118px}
.stat-num{
  display:block;font-family:var(--font-num);font-size:26px;font-weight:700;
  color:var(--brand);line-height:1.15;letter-spacing:.01em;
}
.stat-label{display:block;font-size:13px;color:var(--t3);margin-top:4px}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section--tight{padding-top:56px}
.section-head{max-width:740px;margin-bottom:34px}
.kicker{
  display:inline-block;font-size:13px;color:var(--brand);letter-spacing:.1em;margin-bottom:12px;
}
.section-title{
  font-size:clamp(24px,3vw,36px);font-weight:700;line-height:1.25;color:var(--t1);
}
.section-sub{margin-top:12px;font-size:16px;color:var(--t2)}

/* ---------- data layout ---------- */
.data-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:40px;align-items:start}
.toc{
  position:sticky;top:88px;padding:20px;
  background:var(--glass);border:1px solid var(--glass-line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1),var(--glass-hi);
}
.toc-title{font-size:13px;font-weight:600;color:var(--t3);margin-bottom:14px}
.toc-list{display:grid;gap:6px}
.toc-link{
  display:block;padding:8px 10px 8px 12px;font-size:14px;color:var(--t2);
  border-left:2px solid transparent;border-radius:0 8px 8px 0;
  transition:color .18s,background .18s,border-color .18s;
}
.toc-link:hover{color:var(--t1);background:rgba(255,255,255,.045)}
.toc-link.is-active{color:var(--brand);border-left-color:var(--brand);background:rgba(31,224,192,.07)}
.toc-mobile{display:none}

.data-groups{min-width:0}
.group + .group{border-top:1px solid var(--line);margin-top:36px;padding-top:36px}
.group-head{margin-bottom:18px}
.group-title{font-size:20px;font-weight:700;color:var(--t1);line-height:1.4}
.group-note{font-size:14px;color:var(--t3);margin-top:6px}
.entry-list{display:grid}
.entry{
  display:grid;grid-template-columns:54px minmax(0,1fr) auto;gap:16px;
  padding:20px 0;border-top:1px solid var(--line);align-items:start;
}
.entry-list .entry:first-child{border-top:0;padding-top:6px}
.entry-no{
  font-family:var(--font-num);font-size:22px;font-weight:700;line-height:1.5;
  color:rgba(31,224,192,.42);transition:color .18s;
}
.entry-title{font-size:17px;font-weight:700;color:var(--t1);line-height:1.45;transition:color .18s}
.entry:hover .entry-no{color:var(--brand)}
.entry:hover .entry-title{color:var(--brand)}
.entry-desc{margin-top:6px;font-size:15px;color:var(--t2);max-width:52em}
.entry-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.tag{
  font-size:12px;color:var(--t3);background:rgba(255,255,255,.05);
  border:1px solid var(--glass-line);border-radius:var(--r-sm);padding:3px 9px;line-height:1.5;
}
.tag-brand{color:var(--brand);border-color:rgba(31,224,192,.34);background:rgba(31,224,192,.08)}
.entry-time{
  font-family:var(--font-num);font-size:13px;color:var(--t3);
  white-space:nowrap;text-align:right;padding-top:5px;
}
.entry-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:10px;
  font-size:14px;color:var(--link);transition:color .18s,gap .18s;
}
.entry-link:hover{color:var(--brand);gap:10px}

/* ---------- pace ---------- */
.pace-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:32px;align-items:center}
.pace-list{display:grid;gap:16px}
.pace-item{
  display:grid;grid-template-columns:46px minmax(0,1fr);gap:16px;
  padding:18px 20px;background:var(--glass);border:1px solid var(--glass-line);
  border-radius:var(--r-md);box-shadow:var(--sh-1),var(--glass-hi);
  transition:transform .18s ease-out,box-shadow .18s,border-color .18s;
}
.pace-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(31,224,192,.4)}
.pace-step{font-family:var(--font-num);font-size:18px;font-weight:700;color:var(--brand);line-height:1.6}
.pace-title{font-size:16px;font-weight:700;color:var(--t1);line-height:1.5}
.pace-desc{margin-top:4px;font-size:14px;color:var(--t2)}
.pace-media{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--glass-line);
  box-shadow:var(--sh-1);aspect-ratio:16/11;background:linear-gradient(135deg,var(--ink-700),var(--ink-800));
}
.pace-media img{width:100%;height:100%;object-fit:cover}
.pace-media figcaption{font-size:13px;color:var(--t3);padding:10px 2px 0}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  background:var(--glass);border:1px solid var(--glass-line);border-radius:14px;
  box-shadow:var(--glass-hi);transition:border-color .22s,box-shadow .22s;
}
.faq-item[open]{border-color:rgba(31,224,192,.4);box-shadow:var(--sh-1)}
.faq-q{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:18px 20px;font-size:16px;font-weight:600;color:var(--t1);
}
.faq-q::-webkit-details-marker{display:none}
.faq-q::after{
  content:"+";font-family:var(--font-num);font-size:20px;color:var(--brand);
  line-height:1;flex:0 0 auto;
}
.faq-item[open] .faq-q::after{content:"−"}
.faq-q:hover{color:var(--brand)}
.faq-a{padding:0 20px 20px;font-size:15px;color:var(--t2);max-width:60em}

/* ---------- cta ---------- */
.cta-band{
  display:grid;grid-template-columns:1.08fr .92fr;gap:32px;
  padding:40px;border-radius:var(--r-lg);border:1px solid var(--glass-line);
  background:
    linear-gradient(135deg,rgba(31,224,192,.10),rgba(76,141,255,.10)),
    var(--ink-700);
  box-shadow:var(--sh-1),var(--glass-hi);
}
.cta-copy .section-title{max-width:18em}
.cta-copy p{margin-top:14px;font-size:15px;color:var(--t2);max-width:34em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.cta-form{
  background:rgba(5,10,20,.45);border:1px solid var(--glass-line);
  border-radius:var(--r-md);padding:22px;max-width:520px;width:100%;
  box-shadow:var(--glass-hi);
}
.form-title{font-size:15px;font-weight:700;color:var(--t1);margin-bottom:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--t3);margin-bottom:8px}
.field input{
  width:100%;height:48px;border-radius:var(--r-md);
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);
  padding:0 14px;color:var(--t1);font-size:15px;
  transition:border-color .18s,box-shadow .18s;
}
.field input::placeholder{color:var(--t3)}
.field input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(31,224,192,.16)}
.form-hint{font-size:13px;color:var(--t3);margin-top:10px}
.form-error{display:none;font-size:13px;color:var(--hot);margin-top:8px}
.form-error.is-show{display:block}
.form-ok{display:none;font-size:13px;color:var(--brand);margin-top:8px}
.form-ok.is-show{display:block}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--ink-800)}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;
  padding:56px 0 32px;
}
.footer-desc{font-size:14px;color:var(--t3);margin:16px 0;max-width:330px}
.footer-links-inline{display:flex;flex-wrap:wrap;gap:16px;font-size:14px}
.footer-links-inline a,.footer-col a{color:var(--t2);transition:color .18s}
.footer-links-inline a:hover,.footer-col a:hover{
  color:var(--brand);text-decoration:underline;text-underline-offset:2px;
}
.footer-col h3{font-size:15px;font-weight:700;color:var(--t1);margin-bottom:14px}
.footer-col ul{display:grid;gap:10px}
.footer-col li a{font-size:14px}
.footer-info{font-size:14px;color:var(--t3);line-height:2.1}
.footer-info strong{color:var(--t2);font-weight:600}
.footer-bottom{
  border-top:1px solid var(--line);padding:18px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--t3);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .container{padding:0 20px}
  .nav-menu{display:none}
  .nav-burger{display:grid}
  .nav-inner{min-height:56px}
  .section{padding:72px 0}
  .data-layout{grid-template-columns:1fr;gap:0}
  .toc{display:none}
  .toc-mobile{
    display:flex;gap:10px;overflow-x:auto;padding:4px 0 14px;
    position:sticky;top:56px;z-index:30;
    background:linear-gradient(180deg,var(--ink-900) 62%,rgba(5,10,20,0));
    scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
  }
  .toc-mobile::-webkit-scrollbar{height:0}
  .toc-mobile a{
    flex:0 0 auto;scroll-snap-align:start;white-space:nowrap;
    padding:8px 16px;border-radius:var(--r-pill);font-size:14px;color:var(--t2);
    background:var(--glass);border:1px solid var(--glass-line);
    transition:color .18s,border-color .18s,background .18s;
  }
  .toc-mobile a:hover{color:var(--t1);border-color:rgba(31,224,192,.5)}
  .toc-mobile a.is-active{color:var(--brand);border-color:var(--brand);background:rgba(31,224,192,.09)}
  .pace-grid{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  body{font-size:15.5px}
  .section{padding:64px 0}
  .page-hero{padding:56px 0 48px}
  .entry{grid-template-columns:44px minmax(0,1fr);gap:12px}
  .entry-time{grid-column:2;text-align:left;padding-top:2px}
  .search-box input{width:180px}
}
@media (max-width:520px){
  .page-hero h1{font-size:30px}
  .lede{font-size:15px}
  .hero-stats{gap:12px 22px}
  .stat-num{font-size:22px}
  .entry{grid-template-columns:34px minmax(0,1fr)}
  .entry-no{font-size:18px}
  .entry-title{font-size:16px}
  .entry-desc{font-size:14px}
  .cta-band{padding:24px}
  .cta-actions .btn{width:100%}
  .btn{padding:12px 20px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .search-box{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category3 */
:root{
  --ink-900:#050A14;
  --ink-800:#0A1120;
  --ink-700:#101A2E;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.085);
  --stroke:rgba(255,255,255,.10);
  --stroke-strong:rgba(255,255,255,.18);
  --brand:#1FE0C0;
  --brand-deep:#0FB59C;
  --link:#4C8DFF;
  --hot:#FF7A2F;
  --t1:#E9F0FA;
  --t2:#A6B4CB;
  --t3:#6B7C99;
  --line:rgba(255,255,255,.08);
  --r-lg:18px;
  --r-sm:12px;
  --r-badge:6px;
  --sh-1:0 8px 24px -12px rgba(0,0,0,.6);
  --sh-2:0 18px 40px -16px rgba(0,0,0,.75);
  --sh-glow:0 8px 28px -8px rgba(31,224,192,.5);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --font-num:"Roboto Condensed","DIN Alternate","Helvetica Neue",Arial,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
  --sec-y:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--t2);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(31,224,192,.10), transparent 60%),
    radial-gradient(760px 480px at 92% 6%, rgba(76,141,255,.12), transparent 62%),
    linear-gradient(180deg,#050A14 0%,#070D1A 55%,#050A14 100%);
  z-index:-1;
  pointer-events:none;
}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;letter-spacing:-.005em}
h1{font-size:clamp(30px,4.4vw,48px);font-weight:800;line-height:1.16;letter-spacing:-.01em}
h2{font-size:clamp(24px,3vw,36px);line-height:1.25}
h3{font-size:20px;line-height:1.4;font-weight:700}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:6px;
}
img{max-width:100%;display:block}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.01em}

.container{width:100%;max-width:1140px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec-y) 0}
.section-tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:48px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand);margin-bottom:14px;font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brand);display:block}
.lead{color:var(--t2);font-size:16px;line-height:1.85;max-width:66ch}
.muted{color:var(--t3);font-size:13px;line-height:1.6}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(5,10,20,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:1320px;margin:0 auto;padding:0 24px;
  height:64px;display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.nav-left{display:flex;align-items:center;gap:28px;flex:1 1 52%;min-width:0}
.nav-right{display:flex;align-items:center;gap:14px;flex:0 1 48%;justify-content:flex-end}
.brand{display:inline-flex;flex-direction:column;line-height:1.05;gap:2px}
.brand-main{font-size:18px;font-weight:800;color:var(--t1);letter-spacing:.01em}
.brand-sub{font-size:11px;color:var(--brand);letter-spacing:.22em;font-weight:600}
.brand:hover .brand-main{color:var(--brand)}
.nav-menu{display:flex;align-items:center;gap:22px;min-width:0}
.nav-link{
  position:relative;font-size:15px;color:var(--t2);padding:21px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);
}
.nav-link:hover{color:var(--t1)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--t1);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.search-wrap{position:relative;display:flex;align-items:center}
.search-toggle{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--stroke);
  background:var(--glass);color:var(--t2);font-size:16px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  transition:border-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.search-toggle:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.search-box{
  position:absolute;right:44px;top:50%;transform:translateY(-50%) scaleX(.9);
  transform-origin:right center;opacity:0;pointer-events:none;
  transition:opacity .2s var(--ease),transform .2s var(--ease);
}
.search-box.is-open{opacity:1;pointer-events:auto;transform:translateY(-50%) scaleX(1)}
.search-box input{
  width:238px;height:38px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid var(--stroke);
  color:var(--t1);padding:0 16px;font-size:14px;
}
.search-box input::placeholder{color:var(--t3)}
.search-box input:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(31,224,192,.14);
}
.nav-burger{
  display:none;width:40px;height:40px;border-radius:var(--r-sm);
  background:var(--glass);border:1px solid var(--stroke);color:var(--t1);
  font-size:17px;cursor:pointer;align-items:center;justify-content:center;
}
.nav-burger:hover{border-color:var(--brand);color:var(--brand)}

/* 移动抽屉 */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;
  background:rgba(8,14,26,.94);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border-left:1px solid var(--stroke);
  transform:translateX(102%);transition:transform .28s var(--ease);
  z-index:120;padding:22px 22px 34px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{
  width:36px;height:36px;border-radius:var(--r-sm);background:var(--glass);
  border:1px solid var(--stroke);color:var(--t1);cursor:pointer;font-size:16px;
}
.drawer-list{display:flex;flex-direction:column}
.drawer-link{
  min-height:48px;display:flex;align-items:center;color:var(--t2);
  font-size:15px;border-bottom:1px solid var(--line);
}
.drawer-link:hover,.drawer-link.is-active{color:var(--brand)}
.drawer-cta{margin-top:22px}
.scrim{
  position:fixed;inset:0;background:rgba(3,6,12,.6);opacity:0;pointer-events:none;
  transition:opacity .28s var(--ease);z-index:110;
}
.scrim.is-open{opacity:1;pointer-events:auto}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;
  padding:15px 28px;border-radius:999px;border:1px solid transparent;
  cursor:pointer;transition:transform .18s var(--ease),box-shadow .18s var(--ease),
    background .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
}
.btn-primary{
  background:linear-gradient(135deg,#1FE0C0,#12B9D6);
  color:#04121A;box-shadow:var(--sh-1);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-glow)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:var(--glass);border-color:var(--stroke-strong);color:var(--t2);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--t1);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{padding:11px 20px;font-size:14px}
.btn-block{width:100%}

/* ============ 分类页头 ============ */
.page-hero{
  position:relative;overflow:hidden;
  min-height:300px;display:flex;align-items:flex-end;
  padding:64px 0 48px;
  border-bottom:1px solid var(--line);
}
.page-hero__bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.42;
}
.page-hero__veil{
  position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(5,10,20,.94) 0%,rgba(5,10,20,.78) 44%,rgba(5,10,20,.42) 100%),
    linear-gradient(180deg,rgba(5,10,20,.55) 0%,rgba(5,10,20,.9) 100%);
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--t3);margin-bottom:12px;
}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:rgba(255,255,255,.22)}
.breadcrumb .current{color:var(--t2)}
.page-hero h1{max-width:16em;margin-bottom:16px}
.page-hero .lead{max-width:56ch}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--t2);
  background:var(--glass);border:1px solid var(--stroke);
  padding:7px 14px;border-radius:999px;
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.chip:hover{border-color:var(--brand);color:var(--t1)}
.chip.is-on{border-color:rgba(31,224,192,.6);background:rgba(31,224,192,.10);color:var(--t1)}

/* ============ 信任数据条 ============ */
.stat-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--stroke);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
}
.stat{
  background:rgba(10,17,32,.7);padding:26px 24px;
  transition:background .2s var(--ease);
}
.stat:hover{background:rgba(16,26,46,.86)}
.stat-num{
  font-family:var(--font-num);font-size:30px;font-weight:700;color:var(--brand);
  line-height:1.1;display:block;margin-bottom:8px;
}
.stat-label{font-size:13px;color:var(--t3);line-height:1.6}

/* ============ 时间轴 ============ */
.timeline{position:relative;padding-left:0}
.timeline::before{
  content:"";position:absolute;left:24px;top:10px;bottom:10px;width:1px;
  background:linear-gradient(180deg,rgba(31,224,192,.55),rgba(76,141,255,.28),rgba(255,255,255,.05));
}
.tl-item{
  display:grid;grid-template-columns:48px minmax(0,1fr);gap:24px;
  margin-bottom:32px;position:relative;
}
.tl-item:last-child{margin-bottom:0}
.tl-node{
  width:16px;height:16px;border-radius:50%;
  background:var(--brand);margin:26px auto 0;
  box-shadow:0 0 0 6px rgba(31,224,192,.14),0 0 18px -2px rgba(31,224,192,.6);
}
.tl-item.is-dim .tl-node{
  background:rgba(31,224,192,.32);box-shadow:0 0 0 5px rgba(31,224,192,.06);
}
.tl-card{
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-lg);
  padding:24px 26px;box-shadow:var(--sh-1),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.tl-card:hover{
  transform:translateY(-4px);box-shadow:var(--sh-2),inset 0 1px 0 rgba(255,255,255,.08);
  border-color:rgba(31,224,192,.42);background:var(--glass-strong);
}
.tl-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:12px}
.tl-badge{
  font-family:var(--font-num);font-size:12px;letter-spacing:.12em;
  color:var(--brand);background:rgba(31,224,192,.10);
  border:1px solid rgba(31,224,192,.32);border-radius:var(--r-badge);
  padding:4px 10px;text-transform:uppercase;
}
.tl-card p{font-size:15px;color:var(--t2);max-width:66ch;margin-bottom:16px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.tag{
  font-size:12px;color:var(--t2);padding:5px 11px;border-radius:999px;
  background:rgba(255,255,255,.04);border:1px solid var(--stroke);
  transition:border-color .18s var(--ease),color .18s var(--ease);
}
.tag:hover{border-color:var(--brand);color:var(--t1)}
.link-minor{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);
}
.link-minor:hover{color:var(--t1);text-decoration:underline;text-underline-offset:3px}
.tl-note{
  border-left:3px solid var(--brand);
  background:var(--glass);border-radius:0 var(--r-sm) var(--r-sm) 0;
  padding:16px 18px;font-size:14px;color:var(--t2);
}

/* ============ 风险自查 ============ */
.risk-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.risk-card{
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--r-lg);
  padding:24px;display:flex;flex-direction:column;gap:12px;
  box-shadow:var(--sh-1),inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.risk-card:hover{transform:translateY(-4px);border-color:rgba(76,141,255,.45);background:var(--glass-strong)}
.risk-card.is-wide{grid-column:span 2}
.risk-icon{
  width:44px;height:44px;border-radius:var(--r-sm);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;color:var(--brand);
  background:rgba(31,224,192,.09);border:1px solid rgba(31,224,192,.26);
}
.risk-card h3{font-size:18px}
.risk-card p{font-size:14px;line-height:1.75;color:var(--t2);margin:0}
.risk-level{font-size:12px;color:var(--hot);letter-spacing:.06em}

/* ============ FAQ ============ */
.faq{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{
  border:1px solid var(--stroke);border-radius:14px;background:var(--glass);
  overflow:hidden;transition:border-color .22s var(--ease),background .22s var(--ease);
}
.faq-item.is-open{border-color:rgba(31,224,192,.32);background:var(--glass-strong)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:none;border:0;color:var(--t1);
  font-size:16px;font-weight:600;text-align:left;line-height:1.6;
  padding:20px 22px;cursor:pointer;
}
.faq-q:hover{color:var(--brand)}
.faq-sign{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;color:var(--brand);
  border:1px solid rgba(31,224,192,.36);display:flex;align-items:center;justify-content:center;
  font-size:15px;line-height:1;transition:transform .22s var(--ease),background .22s var(--ease);
}
.faq-item.is-open .faq-sign{transform:rotate(45deg);background:rgba(31,224,192,.12)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .24s var(--ease);
}
.faq-a__inner{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--t2)}

/* ============ CTA ============ */
.cta-banner{
  position:relative;overflow:hidden;
  border:1px solid var(--stroke);border-radius:22px;
  background:
    linear-gradient(135deg,rgba(31,224,192,.10),rgba(76,141,255,.08) 55%,rgba(255,255,255,.03)),
    rgba(10,17,32,.86);
  box-shadow:var(--sh-2),inset 0 1px 0 rgba(255,255,255,.07);
  padding:44px;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);
  gap:40px;align-items:center;
}
.cta-banner h2{margin-bottom:12px}
.cta-banner p{color:var(--t2);font-size:15px;max-width:48ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.form-card{
  background:rgba(5,10,20,.55);border:1px solid var(--stroke);border-radius:var(--r-lg);
  padding:24px;max-width:520px;box-shadow:var(--sh-1);
}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--t3);margin-bottom:8px}
.field input,.field textarea{
  width:100%;height:48px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);
  color:var(--t1);font-size:15px;font-family:inherit;padding:0 16px;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field textarea{height:auto;min-height:96px;padding:14px 16px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:var(--t3)}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(31,224,192,.14);
}
.form-hint{font-size:13px;color:var(--hot);margin-top:10px;display:none}
.form-hint.is-on{display:block}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:24px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,17,32,.6),rgba(5,10,20,.95));
  padding:64px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid var(--line);
}
.footer-brand .brand{margin-bottom:16px}
.footer-desc{font-size:14px;color:var(--t3);line-height:1.8;max-width:34ch}
.footer-links-inline{display:flex;flex-wrap:wrap;gap:14px;margin-top:16px}
.footer-links-inline a{font-size:13px;color:var(--t2)}
.footer-col h3{font-size:15px;margin-bottom:18px;color:var(--t1)}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:var(--t2)}
.site-footer a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:2px}
.footer-info{font-size:13px;color:var(--t3);line-height:2}
.footer-info strong{color:var(--t2);font-weight:600}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding:22px 0 30px;font-size:13px;color:var(--t3);
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--sec-y:72px}
  .nav-menu{display:none}
  .nav-burger{display:flex}
  .nav-left{flex:1 1 auto;gap:16px}
  .nav-right{flex:0 0 auto}
  .page-hero{padding:52px 0 40px;min-height:280px}
  .stat-bar{grid-template-columns:repeat(2,1fr)}
  .cta-banner{grid-template-columns:1fr;padding:34px;gap:28px}
  .form-card{max-width:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  :root{--sec-y:56px}
  .nav-inner{height:56px;padding:0 16px}
  .search-box input{width:170px}
  .risk-grid{grid-template-columns:1fr}
  .risk-card.is-wide{grid-column:span 1}
  .section-head{margin-bottom:32px}
  .tl-item{grid-template-columns:32px minmax(0,1fr);gap:16px}
  .timeline::before{left:16px}
  .tl-node{margin-top:24px;width:14px;height:14px}
  .tl-card{padding:20px}
  .cta-actions .btn{width:100%}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-main{font-size:16px}
  .brand-sub{font-size:10px;letter-spacing:.16em}
  .search-toggle{display:none}
  .stat-bar{grid-template-columns:1fr}
  .stat{padding:20px}
  .page-hero h1{margin-bottom:12px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .cta-banner{padding:24px}
  .btn{padding:14px 22px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}