/* roulang page: index */
:root{
  --bg:#070b1c;
  --bg-soft:#0c1230;
  --bg-deep:#05091a;
  --panel:rgba(255,255,255,.055);
  --panel-strong:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.12);
  --line-soft:rgba(255,255,255,.07);
  --text:#eaefff;
  --muted:#9aa5c9;
  --gold:#ffb400;
  --gold-light:#ffd45c;
  --gold-deep:#ff8a00;
  --cyan:#38e1d4;
  --violet:#6b5cff;
  --radius:14px;
  --radius-sm:10px;
  --radius-lg:20px;
  --shadow:0 18px 44px rgba(4,8,24,.55);
  --shadow-soft:0 10px 26px rgba(4,8,24,.4);
  --shadow-gold:0 12px 30px rgba(255,150,0,.36);
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p,figure{margin:0;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(6,10,26,.88);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line-soft);
}
.header-inner{position:relative;display:flex;align-items:center;gap:22px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:.4px;white-space:nowrap;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--violet),var(--cyan));
  color:#061024;font-weight:900;font-size:17px;
  box-shadow:0 8px 22px rgba(107,92,255,.45);
}
.brand-text{background:linear-gradient(120deg,#ffffff,#b9c4ea);-webkit-background-clip:text;background-clip:text;color:transparent;}
.nav{margin-left:auto;}
.nav-list{display:flex;align-items:center;gap:6px;}
.nav-link{
  display:block;padding:9px 15px;border-radius:10px;font-size:15px;color:var(--muted);
  transition:color .22s,background .22s,box-shadow .22s;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07);}
.nav-link.is-active{
  color:#1a1204;font-weight:700;
  background:linear-gradient(135deg,var(--gold-light),var(--gold));
  box-shadow:var(--shadow-gold);
}
.mega-wrap{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.055);font-size:14px;color:var(--text);
  transition:border-color .22s,box-shadow .22s,background .22s;
}
.mega-trigger::after{content:"▾";font-size:11px;color:var(--cyan);}
.mega-trigger:hover{border-color:rgba(56,225,212,.6);box-shadow:0 0 0 3px rgba(56,225,212,.12);}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:430px;padding:20px;
  border-radius:16px;background:rgba(10,15,36,.98);border:1px solid var(--line);
  box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s,transform .24s,visibility .24s;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{font-size:12px;letter-spacing:2px;color:var(--cyan);margin-bottom:10px;}
.mega-grid{display:grid;gap:8px;margin-bottom:16px;}
.mega-grid a{
  display:block;padding:11px 14px;border-radius:11px;border:1px solid var(--line-soft);
  background:rgba(255,255,255,.04);font-size:14px;font-weight:600;
  transition:border-color .2s,background .2s,transform .2s;
}
.mega-grid a em{display:block;font-style:normal;font-size:12px;font-weight:400;color:var(--muted);margin-top:3px;}
.mega-grid a:hover{border-color:rgba(255,180,0,.55);background:rgba(255,180,0,.08);transform:translateX(3px);}
.mega-note{font-size:13px;color:var(--muted);line-height:1.7;}
.nav-toggle-input{position:absolute;opacity:0;pointer-events:none;width:0;height:0;}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.06);
  flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:.22s;}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:104px 0 118px;
  background:#0a0f26 url('/assets/images/0f4821e2db00ab1d.webp') center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(5,9,26,.96) 0%,rgba(9,15,40,.86) 46%,rgba(24,14,58,.68) 100%);
}
.hero-slash{
  position:absolute;left:-8%;right:-8%;bottom:-34%;height:126%;z-index:1;
  background:linear-gradient(120deg,rgba(107,92,255,.55),rgba(56,225,212,.22) 56%,rgba(255,180,0,.16));
  clip-path:polygon(0 48%,100% 6%,100% 100%,0 100%);
  opacity:.78;
}
.hero-inner{position:relative;z-index:2;max-width:840px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  font-size:13px;letter-spacing:1px;color:#ffe6a6;
  border:1px solid rgba(255,180,0,.42);background:rgba(255,180,0,.12);margin-bottom:22px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--gold);display:block;box-shadow:0 0 10px var(--gold);}
.hero h1{
  font-size:clamp(30px,4.4vw,52px);line-height:1.24;font-weight:900;letter-spacing:.5px;
  text-shadow:0 4px 26px rgba(3,6,20,.85);
}
.hero h1 span{color:var(--gold-light);}
.hero-lead{
  margin-top:22px;font-size:16px;line-height:1.95;color:#c6cdec;max-width:740px;
  text-shadow:0 2px 16px rgba(3,6,20,.8);
}
.hero-cta{margin-top:30px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;margin-top:42px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14);}
.hero-stat b{display:block;font-size:26px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;}
.hero-stat span{font-size:13px;color:#a5afd2;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 30px;border-radius:999px;font-size:15px;font-weight:700;
  border:1px solid transparent;transition:transform .25s,box-shadow .25s,background .25s,border-color .25s,color .25s;
}
.btn-gold{
  background:linear-gradient(135deg,var(--gold-light) 0%,var(--gold) 48%,var(--gold-deep) 100%);
  color:#1b1204;
  box-shadow:0 10px 28px rgba(255,150,0,.36),inset 0 0 0 1px rgba(255,222,150,.55);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(255,160,0,.5),inset 0 0 0 1px rgba(255,232,175,.8);}
.btn-gold:active{transform:translateY(0);}
.btn-ghost{border-color:var(--line);background:rgba(255,255,255,.06);color:var(--text);}
.btn-ghost:hover{border-color:rgba(56,225,212,.6);color:#fff;background:rgba(56,225,212,.1);}
.btn-sm{padding:10px 20px;font-size:14px;}

/* ---------- countdown ---------- */
.countdown{
  padding:26px 0;
  background:linear-gradient(90deg,rgba(107,92,255,.24),rgba(56,225,212,.15) 60%,rgba(255,180,0,.14));
  border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);
}
.countdown-inner{display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:wrap;}
.countdown-text h2{font-size:19px;font-weight:800;}
.countdown-text p{font-size:13px;color:#b9c2e3;margin-top:3px;}
.clock{display:flex;align-items:center;gap:10px;}
.clock-item{
  min-width:68px;text-align:center;padding:8px 10px;border-radius:12px;
  background:rgba(6,10,26,.72);border:1px solid rgba(255,180,0,.35);
  box-shadow:0 8px 20px rgba(3,6,20,.45);
}
.clock-item b{display:block;font-size:22px;font-weight:800;color:var(--gold);font-variant-numeric:tabular-nums;line-height:1.3;}
.clock-item span{font-size:11px;color:var(--muted);letter-spacing:1px;}

/* ---------- sections ---------- */
.sec{padding:78px 0;position:relative;}
.sec--alt{
  background:linear-gradient(180deg,rgba(13,19,45,.94),rgba(7,11,28,.94));
  border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);
}
.sec-head{max-width:760px;margin-bottom:38px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-block;font-size:12px;letter-spacing:3px;color:var(--cyan);
  padding:5px 13px;border-radius:999px;border:1px solid rgba(56,225,212,.35);
  background:rgba(56,225,212,.08);margin-bottom:14px;
}
.sec-head h2{font-size:clamp(22px,2.7vw,32px);line-height:1.36;font-weight:800;}
.sec-head h2 em{font-style:normal;color:var(--gold-light);}
.sec-head p{margin-top:14px;color:var(--muted);font-size:15px;line-height:1.9;}

/* ---------- grids & cards ---------- */
.grid{display:grid;gap:20px;}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-soft);
  transition:transform .26s,border-color .26s,box-shadow .26s,background .26s;
}
.card:hover{transform:translateY(-5px);border-color:rgba(56,225,212,.42);box-shadow:0 20px 46px rgba(6,12,32,.62);}
.card-body{padding:22px;}
.card h3{font-size:17px;font-weight:700;margin-bottom:9px;}
.card p{font-size:14px;color:var(--muted);line-height:1.85;}
.card-media{aspect-ratio:16/9;overflow:hidden;border-radius:12px 12px 0 0;background:#0a1030;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.card:hover .card-media img{transform:scale(1.06);}
.tag{
  display:inline-block;padding:3px 11px;border-radius:999px;font-size:12px;
  color:#ffdf9c;border:1px solid rgba(255,180,0,.35);background:rgba(255,180,0,.1);
}
.tag-cyan{color:#a8f6ef;border-color:rgba(56,225,212,.4);background:rgba(56,225,212,.1);}

/* ---------- stats board ---------- */
.stat-card{
  padding:24px 22px;border-radius:var(--radius);background:var(--panel);
  border:1px solid var(--line);backdrop-filter:blur(14px);
  transition:transform .26s,border-color .26s,box-shadow .26s;
}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.45);box-shadow:0 18px 40px rgba(6,12,32,.6);}
.stat-num{
  font-size:31px;font-weight:900;line-height:1.2;
  background:linear-gradient(120deg,var(--gold-light),var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-label{font-size:14px;color:var(--muted);margin-top:6px;}
.stat-note{font-size:12px;color:#7d88ae;margin-top:8px;}

/* ---------- highlight wall ---------- */
.hl-card{overflow:hidden;}
.hl-card .card-body{padding:20px 22px 24px;}

/* ---------- perks ---------- */
.perk{
  display:flex;gap:16px;padding:22px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);backdrop-filter:blur(14px);
  transition:border-color .25s,transform .25s,background .25s;
}
.perk:hover{border-color:rgba(255,180,0,.45);transform:translateY(-4px);background:rgba(255,255,255,.075);}
.perk-ico{
  flex:0 0 46px;height:46px;border-radius:13px;display:grid;place-items:center;
  font-size:19px;font-weight:900;color:#1b1204;
  background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
  box-shadow:0 8px 20px rgba(255,150,0,.3);
}
.perk h3{font-size:16px;margin-bottom:6px;}
.perk p{font-size:13.5px;color:var(--muted);line-height:1.8;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;counter-reset:step;}
.step{
  position:relative;padding:26px 20px 22px;border-radius:var(--radius);
  background:linear-gradient(165deg,rgba(255,255,255,.08),rgba(255,255,255,.03));
  border:1px solid var(--line);transition:transform .26s,border-color .26s;
}
.step:hover{transform:translateY(-5px);border-color:rgba(56,225,212,.45);}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:block;font-size:13px;font-weight:800;letter-spacing:2px;color:var(--cyan);margin-bottom:10px;
}
.step h3{font-size:16px;margin-bottom:8px;}
.step p{font-size:13.5px;color:var(--muted);line-height:1.8;}

/* ---------- reward preview ---------- */
.reward-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:34px;align-items:center;}
.reward-visual{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.reward-visual img{width:100%;height:100%;object-fit:cover;}
.reward-list{display:grid;gap:14px;}
.reward-item{
  padding:18px 20px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line);
  display:flex;gap:14px;align-items:flex-start;transition:border-color .25s,transform .25s;
}
.reward-item:hover{border-color:rgba(255,180,0,.45);transform:translateX(4px);}
.reward-item b{display:block;font-size:15px;margin-bottom:4px;}
.reward-item p{font-size:13.5px;color:var(--muted);line-height:1.78;}
.reward-idx{
  flex:0 0 30px;height:30px;border-radius:9px;display:grid;place-items:center;
  font-size:13px;font-weight:800;color:var(--gold);border:1px solid rgba(255,180,0,.4);background:rgba(255,180,0,.1);
}

/* ---------- channel entry ---------- */
.channel-card{display:block;padding:26px 24px;overflow:hidden;position:relative;}
.channel-card::after{
  content:"";position:absolute;right:-40px;top:-40px;width:130px;height:130px;border-radius:50%;
  background:radial-gradient(circle,rgba(107,92,255,.45),transparent 70%);opacity:.7;
  transition:transform .4s;
}
.channel-card:hover::after{transform:scale(1.25);}
.channel-card h3{font-size:18px;position:relative;z-index:1;}
.channel-card p{position:relative;z-index:1;margin-top:8px;}
.channel-more{
  display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:13px;
  font-weight:700;color:var(--gold-light);position:relative;z-index:1;
}

/* ---------- compare ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.compare-col{padding:26px;border-radius:var(--radius);border:1px solid var(--line);background:var(--panel);}
.compare-col.is-good{
  border-color:rgba(255,180,0,.48);
  background:linear-gradient(165deg,rgba(255,180,0,.14),rgba(255,255,255,.035));
  box-shadow:0 18px 42px rgba(255,150,0,.16);
}
.compare-col h3{font-size:17px;margin-bottom:16px;display:flex;align-items:center;gap:9px;}
.compare-col h3 span{font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;background:rgba(255,255,255,.1);color:var(--muted);}
.compare-col.is-good h3 span{background:rgba(255,180,0,.22);color:#ffe0a0;}
.compare-list li{
  position:relative;padding-left:22px;font-size:14px;color:var(--muted);line-height:1.85;margin-bottom:12px;
}
.compare-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;
  background:rgba(255,255,255,.32);
}
.compare-col.is-good .compare-list li{color:#dfe5fb;}
.compare-col.is-good .compare-list li::before{background:var(--gold);box-shadow:0 0 10px rgba(255,180,0,.7);}

/* ---------- timeline ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.tl-item{position:relative;padding-top:26px;border-top:1px solid var(--line);}
.tl-item::before{
  content:"";position:absolute;top:-5px;left:0;width:10px;height:10px;border-radius:50%;
  background:var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.18),0 0 16px rgba(255,180,0,.6);
}
.tl-item b{display:block;font-size:15px;margin-bottom:7px;}
.tl-item p{font-size:13.5px;color:var(--muted);line-height:1.8;}

/* ---------- news ---------- */
.news-layout{display:grid;grid-template-columns:1.6fr 1fr;gap:26px;align-items:start;}
.news-item{
  display:block;padding:20px 22px;border-radius:var(--radius);
  border:1px solid var(--line);background:var(--panel);margin-bottom:14px;
  transition:border-color .24s,transform .24s,background .24s;
}
.news-item:hover{border-color:rgba(56,225,212,.5);transform:translateX(4px);background:rgba(255,255,255,.08);}
.news-meta{display:flex;align-items:center;gap:12px;font-size:12px;color:#8f9ac0;margin-bottom:8px;}
.news-item h3{font-size:16.5px;line-height:1.55;margin-bottom:7px;}
.news-item p{font-size:13.5px;color:var(--muted);line-height:1.8;}
.news-side{padding:22px;border-radius:var(--radius);border:1px solid var(--line);background:rgba(255,255,255,.045);}
.news-side h3{font-size:15px;margin-bottom:14px;color:var(--gold-light);}
.side-item{display:block;padding:12px 0;border-bottom:1px dashed rgba(255,255,255,.12);transition:color .2s;}
.side-item:last-child{border-bottom:0;}
.side-item b{display:block;font-size:14px;font-weight:600;line-height:1.6;}
.side-item span{font-size:12px;color:#8f9ac0;}
.side-item:hover b{color:var(--cyan);}
.empty-note{
  padding:26px;border-radius:var(--radius);border:1px dashed rgba(255,255,255,.2);
  color:var(--muted);font-size:14px;text-align:center;
}
.news-more{display:flex;justify-content:flex-start;margin-top:8px;}

/* ---------- guarantee ---------- */
.guard-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.guard{
  padding:22px;border-radius:var(--radius);text-align:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  transition:border-color .25s,transform .25s;
}
.guard:hover{border-color:rgba(56,225,212,.45);transform:translateY(-4px);}
.guard-ico{
  width:44px;height:44px;margin:0 auto 12px;border-radius:13px;display:grid;place-items:center;
  font-size:18px;color:#0b1226;background:linear-gradient(135deg,var(--cyan),var(--violet));
  box-shadow:0 8px 22px rgba(56,225,212,.28);
}
.guard b{display:block;font-size:15px;margin-bottom:6px;}
.guard p{font-size:13px;color:var(--muted);line-height:1.75;}

/* ---------- quick answers ---------- */
.quick-list{display:grid;gap:12px;}
.quick-item{
  display:flex;gap:14px;padding:18px 22px;border-radius:var(--radius);
  border:1px solid var(--line);background:var(--panel);align-items:flex-start;
  transition:background .24s,border-color .24s;
}
.quick-item:hover{background:rgba(255,255,255,.08);border-color:rgba(255,180,0,.4);}
.quick-num{
  flex:0 0 26px;height:26px;border-radius:8px;display:grid;place-items:center;
  font-size:12px;font-weight:800;color:#1b1204;background:linear-gradient(135deg,var(--gold-light),var(--gold-deep));
}
.quick-item p{font-size:14.5px;color:#cfd6f0;line-height:1.8;}

/* ---------- praise ---------- */
.praise-card{padding:24px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line);}
.praise-quote{font-size:14.5px;line-height:1.85;color:#d5dcf6;}
.praise-person{display:flex;align-items:center;gap:11px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line-soft);}
.avatar{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  font-size:14px;font-weight:800;color:#0b1226;
  background:linear-gradient(135deg,var(--cyan),var(--violet));
}
.praise-person b{display:block;font-size:14px;}
.praise-person span{font-size:12px;color:var(--muted);}

/* ---------- faq ---------- */
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);
  padding:18px 22px;margin-bottom:12px;transition:border-color .24s,background .24s;
}
.faq-item:hover{border-color:rgba(56,225,212,.4);background:rgba(255,255,255,.075);}
.faq-item summary{
  list-style:none;cursor:pointer;font-size:15.5px;font-weight:700;
  display:flex;justify-content:space-between;align-items:flex-start;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";color:var(--gold);font-size:20px;line-height:1;flex:0 0 auto;}
.faq-item[open] summary::after{content:"–";}
.faq-item p{margin-top:14px;font-size:14px;color:var(--muted);line-height:1.9;}

/* ---------- form ---------- */
.signup-layout{display:grid;grid-template-columns:1fr 1.05fr;gap:36px;align-items:center;}
.signup-copy h2{font-size:clamp(22px,2.6vw,30px);line-height:1.4;font-weight:800;}
.signup-copy p{margin-top:14px;font-size:15px;color:var(--muted);line-height:1.9;}
.signup-points{margin-top:22px;display:grid;gap:10px;}
.signup-points li{
  position:relative;padding-left:24px;font-size:14px;color:#cbd3ef;line-height:1.8;
}
.signup-points li::before{
  content:"✓";position:absolute;left:0;top:0;color:var(--gold);font-weight:800;
}
.form-card{
  padding:28px;border-radius:var(--radius-lg);
  background:linear-gradient(160deg,rgba(107,92,255,.2),rgba(9,14,36,.92));
  border:1px solid rgba(255,255,255,.15);
  box-shadow:var(--shadow);backdrop-filter:blur(16px);
}
.field{margin-bottom:15px;}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:7px;letter-spacing:.5px;}
.field input,.field select{
  width:100%;padding:12px 15px;border-radius:11px;color:var(--text);font-size:15px;
  background:rgba(6,10,26,.72);border:1px solid var(--line);
  transition:border-color .22s,box-shadow .22s,background .22s;
  appearance:none;-webkit-appearance:none;
}
.field select{background-image:linear-gradient(45deg,transparent 50%,#8f9ac0 50%),linear-gradient(135deg,#8f9ac0 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 15px) 20px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.field input::placeholder{color:#6f7aa0;}
.field input:focus,.field select:focus{outline:none;border-color:rgba(56,225,212,.7);box-shadow:0 0 0 3px rgba(56,225,212,.16);background:rgba(6,10,26,.9);}
.form-card .btn{width:100%;margin-top:6px;}
.form-tip{font-size:12px;color:#8b96bb;margin-top:12px;line-height:1.7;}
.form-msg{
  display:none;margin-top:14px;padding:11px 14px;border-radius:10px;font-size:13.5px;
  color:#b8f7ef;background:rgba(56,225,212,.12);border:1px solid rgba(56,225,212,.4);
}
.form-msg.show{display:block;}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line-soft);padding:54px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr;gap:34px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;margin-bottom:14px;}
.footer-desc{font-size:14px;color:var(--muted);line-height:1.9;max-width:420px;}
.footer-col h3{font-size:14px;letter-spacing:1px;color:#dfe5fb;margin-bottom:14px;}
.footer-col li{margin-bottom:9px;}
.footer-col a{font-size:14px;color:var(--muted);transition:color .22s;}
.footer-col a:hover{color:var(--gold-light);}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line-soft);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:#7b86ab;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr));}
  .guard-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .reward-layout{grid-template-columns:1fr;gap:26px;}
  .signup-layout{grid-template-columns:1fr;gap:28px;}
  .news-layout{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:900px){
  .nav-toggle{display:flex;}
  .mega-wrap{display:none;}
  .nav{
    position:absolute;left:-22px;right:-22px;top:100%;margin-left:0;
    padding:14px 22px 20px;background:rgba(7,11,28,.985);
    border-bottom:1px solid var(--line);display:none;
    box-shadow:0 24px 44px rgba(3,6,20,.65);
  }
  .nav-toggle-input:checked ~ .nav{display:block;}
  .nav-list{flex-direction:column;align-items:stretch;gap:6px;}
  .nav-link{padding:13px 15px;font-size:15.5px;}
  .header-inner{min-height:66px;}
  .hero{padding:78px 0 92px;}
  .sec{padding:60px 0;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .compare{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .hero-stats{gap:22px;}
  .hero-stat b{font-size:22px;}
  .countdown-inner{justify-content:flex-start;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .timeline{grid-template-columns:1fr;}
  .guard-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .sec-head{margin-bottom:28px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .hero{padding:64px 0 76px;}
  .hero h1{font-size:27px;line-height:1.32;}
  .hero-lead{font-size:15px;}
  .hero-cta .btn{width:100%;}
  .hero-stats{gap:16px 26px;}
  .clock{gap:7px;}
  .clock-item{min-width:58px;padding:7px 8px;}
  .clock-item b{font-size:18px;}
  .brand{font-size:17px;}
  .guard-grid{grid-template-columns:1fr;}
  .form-card,.perk,.card-body{padding:18px;}
  .btn{padding:13px 22px;font-size:14.5px;}
  .nav{left:-16px;right:-16px;padding-left:16px;padding-right:16px;}
}

/* roulang page: article */
:root{
 --bg:#070b1c;
 --bg-soft:#0c1230;
 --bg-deep:#05091a;
 --panel:rgba(255,255,255,.055);
 --panel-strong:rgba(255,255,255,.09);
 --line:rgba(255,255,255,.12);
 --line-soft:rgba(255,255,255,.07);
 --text:#eaefff;
 --muted:#9aa5c9;
 --gold:#ffb400;
 --gold-light:#ffd45c;
 --gold-deep:#ff8a00;
 --cyan:#38e1d4;
 --violet:#6b5cff;
 --radius:14px;
 --radius-sm:10px;
 --radius-lg:20px;
 --shadow:0 18px 44px rgba(4,8,24,.55);
 --shadow-soft:0 10px 26px rgba(4,8,24,.4);
 --shadow-gold:0 12px 30px rgba(255,150,0,.36);
 --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--text);
 font-size:16px;
 line-height:1.78;
 -webkit-font-smoothing:antialiased;
 overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;height:auto;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font:inherit;color:inherit;}
p{margin:0 0 1em;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.32;letter-spacing:.3px;}
ul,ol{margin:0;padding:0;list-style:none;}
figure{margin:0;}
::selection{background:rgba(255,180,0,.3);color:#fff;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px;}

/* ---------- header / nav ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(6,10,26,.88);
 backdrop-filter:blur(18px);
 -webkit-backdrop-filter:blur(18px);
 border-bottom:1px solid var(--line-soft);
}
.header-inner{position:relative;display:flex;align-items:center;gap:22px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:.4px;white-space:nowrap;}
.brand-mark{
 width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
 background:linear-gradient(135deg,var(--violet),var(--cyan));
 color:#061024;font-weight:900;font-size:17px;
 box-shadow:0 8px 22px rgba(107,92,255,.45);
}
.brand-text{background:linear-gradient(120deg,#ffffff,#b9c4ea);-webkit-background-clip:text;background-clip:text;color:transparent;}
.nav{margin-left:auto;}
.nav-list{display:flex;align-items:center;gap:6px;}
.nav-link{
 display:block;padding:9px 15px;border-radius:10px;font-size:15px;color:var(--muted);
 transition:color .22s,background .22s,box-shadow .22s;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07);}
.nav-link.is-active{
 color:#1a1204;font-weight:700;
 background:linear-gradient(135deg,var(--gold-light),var(--gold));
 box-shadow:var(--shadow-gold);
}
.mega-wrap{position:relative;}
.mega-trigger{
 display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:999px;
 border:1px solid var(--line);background:rgba(255,255,255,.055);font-size:14px;color:var(--text);
 transition:border-color .22s,box-shadow .22s,background .22s;
}
.mega-trigger::after{content:"▾";font-size:11px;color:var(--cyan);}
.mega-trigger:hover{border-color:rgba(56,225,212,.6);box-shadow:0 0 0 3px rgba(56,225,212,.12);}
.mega-panel{
 position:absolute;right:0;top:calc(100% + 14px);width:430px;padding:20px;
 border-radius:16px;background:rgba(10,15,36,.98);border:1px solid var(--line);
 box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(10px);
 transition:opacity .24s,transform .24s,visibility .24s;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{font-size:12px;letter-spacing:2px;color:var(--cyan);margin-bottom:10px;}
.mega-grid{display:grid;gap:8px;margin-bottom:16px;}
.mega-grid a{
 display:block;padding:11px 14px;border-radius:11px;border:1px solid var(--line-soft);
 background:rgba(255,255,255,.04);font-size:14px;font-weight:600;
 transition:border-color .2s,background .2s,transform .2s;
}
.mega-grid a em{display:block;font-style:normal;font-size:12px;font-weight:400;color:var(--muted);margin-top:3px;}
.mega-grid a:hover{border-color:rgba(255,180,0,.55);background:rgba(255,180,0,.08);transform:translateX(3px);}
.mega-note{font-size:13px;color:var(--muted);line-height:1.7;}
.nav-toggle-input{position:absolute;opacity:0;pointer-events:none;width:0;height:0;}
.nav-toggle{
 display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;
 border:1px solid var(--line);background:rgba(255,255,255,.06);
 flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:.22s;}

/* ---------- buttons / chips ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:13px 28px;border-radius:999px;font-size:15px;font-weight:700;
 border:1px solid transparent;transition:transform .25s,box-shadow .25s,background .25s,border-color .25s;
}
.btn-gold{
 background:linear-gradient(135deg,var(--gold-light),var(--gold) 55%,var(--gold-deep));
 color:#231502;box-shadow:var(--shadow-gold);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(255,150,0,.5);}
.btn-ghost{
 border-color:var(--line);background:rgba(255,255,255,.05);color:var(--text);
}
.btn-ghost:hover{border-color:rgba(56,225,212,.6);background:rgba(56,225,212,.1);transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.chip{
 display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;
 border:1px solid rgba(255,180,0,.42);background:rgba(255,180,0,.1);
 color:#ffdf9a;font-size:12px;font-weight:600;letter-spacing:.4px;
}
.chip-cyan{border-color:rgba(56,225,212,.4);background:rgba(56,225,212,.1);color:#a9f6f0;}

/* ---------- article hero ---------- */
.article-hero{
 position:relative;overflow:hidden;padding:52px 0 54px;
 background:#0a0f26 url('/assets/images/f6ab2822740ef248.webp') center/cover no-repeat;
}
.article-hero::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(118deg,rgba(5,9,26,.97) 0%,rgba(10,16,44,.9) 52%,rgba(30,18,64,.72) 100%);
}
.article-hero::before{
 content:"";position:absolute;right:-14%;top:-40%;width:56%;height:180%;z-index:1;
 background:linear-gradient(130deg,rgba(107,92,255,.4),rgba(56,225,212,.14));
 clip-path:polygon(46% 0,100% 0,100% 100%,0 100%);
 opacity:.7;
}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px;}
.breadcrumb a{color:#c3cbeb;transition:color .2s;}
.breadcrumb a:hover{color:var(--gold-light);}
.breadcrumb i{font-style:normal;opacity:.45;}
.article-hero h1{
 margin:0 0 18px;max-width:900px;
 font-size:clamp(25px,3.5vw,42px);line-height:1.3;font-weight:900;
 text-shadow:0 4px 24px rgba(3,6,20,.8);
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;font-size:13px;color:var(--muted);}
.article-meta span{display:inline-flex;align-items:center;gap:6px;}
.article-meta b{color:#dfe5fb;font-weight:600;}

/* ---------- layout ---------- */
.article-shell{padding:56px 0 72px;background:linear-gradient(180deg,var(--bg) 0%,#080d20 42%,#05091a 100%);}
.article-layout{display:grid;grid-template-columns:minmax(0,720px) 320px;gap:40px;align-items:start;justify-content:space-between;}
.article-main{min-width:0;}
.cover-figure{
 overflow:hidden;border-radius:var(--radius-lg);border:1px solid var(--line-soft);
 box-shadow:var(--shadow);background:rgba(255,255,255,.04);margin-bottom:30px;
}
.cover-figure img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.cover-figure figcaption{padding:11px 16px;font-size:12.5px;color:var(--muted);border-top:1px solid var(--line-soft);}

/* ---------- article body ---------- */
.article-content{font-size:16.5px;line-height:1.95;color:#d5dcf5;letter-spacing:.2px;}
.article-content > *:first-child{margin-top:0;}
.article-content h2{
 font-size:23px;margin:40px 0 16px;padding-left:14px;color:#fff;
 border-left:4px solid var(--gold);line-height:1.45;
}
.article-content h3{font-size:19px;margin:30px 0 12px;color:#f2f5ff;}
.article-content h4{font-size:16.5px;margin:22px 0 10px;color:var(--gold-light);}
.article-content p{margin:0 0 18px;}
.article-content ul,.article-content ol{margin:0 0 20px;padding-left:22px;}
.article-content ul li{list-style:disc;}
.article-content ol li{list-style:decimal;}
.article-content li{margin-bottom:9px;color:#cdd5f0;}
.article-content li::marker{color:var(--gold);}
.article-content strong{color:#fff;font-weight:700;}
.article-content em{color:var(--gold-light);font-style:normal;}
.article-content blockquote{
 margin:24px 0;padding:16px 22px;border-left:3px solid var(--cyan);
 background:rgba(56,225,212,.07);border-radius:0 var(--radius) var(--radius) 0;color:#c1cdee;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{border-radius:var(--radius);margin:22px 0;border:1px solid var(--line-soft);box-shadow:var(--shadow-soft);}
.article-content a{color:var(--gold-light);border-bottom:1px solid rgba(255,180,0,.45);transition:color .2s,border-color .2s;}
.article-content a:hover{color:#fff;border-color:#fff;}
.article-content table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14.5px;}
.article-content th,.article-content td{padding:11px 14px;border:1px solid var(--line-soft);text-align:left;}
.article-content th{background:rgba(255,255,255,.06);color:#fff;font-weight:700;}
.article-content tr:nth-child(even) td{background:rgba(255,255,255,.025);}
.article-content hr{border:0;border-top:1px solid var(--line-soft);margin:32px 0;}
.article-empty{
 padding:46px 26px;text-align:center;border-radius:var(--radius-lg);
 border:1px dashed var(--line);background:var(--panel);
}
.article-empty p{font-size:17px;color:var(--muted);margin-bottom:20px;}

/* ---------- sidebar ---------- */
.article-side{position:sticky;top:96px;display:grid;gap:18px;}
.side-card{
 padding:20px;border-radius:var(--radius);background:var(--panel);
 border:1px solid var(--line-soft);box-shadow:var(--shadow-soft);
 backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.side-card h2{font-size:15px;color:#fff;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h2::before{content:"";width:6px;height:16px;border-radius:3px;background:linear-gradient(180deg,var(--gold-light),var(--gold-deep));}
.side-list{display:grid;gap:10px;}
.side-list a{
 display:flex;gap:10px;align-items:flex-start;padding:9px 11px;border-radius:var(--radius-sm);
 font-size:14px;color:#c8d0ec;border:1px solid transparent;
 transition:background .2s,border-color .2s,color .2s,transform .2s;
}
.side-list a:hover{background:rgba(255,255,255,.06);border-color:var(--line);color:#fff;transform:translateX(3px);}
.side-list i{font-style:normal;color:var(--gold);font-size:12px;line-height:1.9;}
.side-note{font-size:13.5px;color:var(--muted);line-height:1.85;}
.side-figure{overflow:hidden;border-radius:var(--radius);border:1px solid var(--line-soft);}
.side-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.side-cta{background:linear-gradient(150deg,rgba(107,92,255,.24),rgba(255,180,0,.14));border-color:rgba(255,180,0,.3);}
.side-cta p{font-size:13.5px;color:#d8defa;margin-bottom:14px;}
.side-cta .btn{width:100%;}

/* ---------- sections ---------- */
.section{padding:64px 0;}
.section-tight{padding:0 0 64px;}
.section-head{max-width:720px;margin-bottom:30px;}
.section-head h2{font-size:clamp(21px,2.5vw,28px);color:#fff;}
.section-head p{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.85;}
.step-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.step-card{
 position:relative;padding:24px 20px;border-radius:var(--radius);
 background:var(--panel);border:1px solid var(--line-soft);box-shadow:var(--shadow-soft);
 transition:transform .25s,border-color .25s,background .25s;
}
.step-card:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.42);background:var(--panel-strong);}
.step-card b.num{
 display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
 font-size:15px;font-weight:900;color:#231502;
 background:linear-gradient(135deg,var(--gold-light),var(--gold));margin-bottom:14px;
}
.step-card h3{font-size:16.5px;color:#fff;margin-bottom:9px;}
.step-card p{font-size:14px;color:var(--muted);line-height:1.8;margin:0;}
.metric-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:26px;}
.metric-card{
 padding:22px 20px;border-radius:var(--radius);border:1px solid var(--line-soft);
 background:linear-gradient(160deg,rgba(107,92,255,.16),rgba(56,225,212,.06));
}
.metric-card b{display:block;font-size:30px;font-weight:900;color:#fff;font-variant-numeric:tabular-nums;letter-spacing:.5px;}
.metric-card span{display:block;margin-top:6px;font-size:13px;color:var(--muted);}
.contrast{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.contrast-col{padding:22px;border-radius:var(--radius);border:1px solid var(--line-soft);background:var(--panel);}
.contrast-col h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.contrast-col.good h3{color:#8ef0e6;}
.contrast-col.bad h3{color:#ffc98a;}
.contrast-col li{font-size:14px;color:#c6cee9;line-height:1.8;padding-left:18px;position:relative;margin-bottom:10px;}
.contrast-col li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;background:var(--cyan);}
.contrast-col.bad li::before{background:var(--gold-deep);}
.check-list{display:grid;gap:12px;margin-top:6px;}
.check-list li{font-size:15px;color:#c9d2ee;padding-left:28px;position:relative;line-height:1.8;}
.check-list li::before{
 content:"✓";position:absolute;left:0;top:0;color:var(--cyan);font-weight:900;
}
.faq-list{display:grid;gap:12px;}
.faq-item{
 border-radius:var(--radius);border:1px solid var(--line-soft);background:var(--panel);
 overflow:hidden;transition:border-color .22s,background .22s;
}
.faq-item[open]{border-color:rgba(255,180,0,.4);background:rgba(255,180,0,.05);}
.faq-item summary{
 list-style:none;cursor:pointer;padding:17px 20px;font-size:15.5px;font-weight:600;color:#eef2ff;
 display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";color:var(--gold);font-size:20px;font-weight:400;line-height:1;transition:transform .22s;}
.faq-item[open] summary::after{content:"–";transform:rotate(180deg);}
.faq-body{padding:0 20px 18px;font-size:14.5px;color:var(--muted);line-height:1.9;}
.read-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.read-card{
 display:flex;flex-direction:column;overflow:hidden;border-radius:var(--radius);
 border:1px solid var(--line-soft);background:var(--panel);
 transition:transform .25s,border-color .25s,box-shadow .25s;
}
.read-card:hover{transform:translateY(-4px);border-color:rgba(56,225,212,.42);box-shadow:var(--shadow);}
.read-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.read-card .read-body{padding:16px 18px 20px;}
.read-card h3{font-size:15.5px;color:#fff;margin-bottom:8px;line-height:1.5;}
.read-card p{font-size:13.5px;color:var(--muted);line-height:1.75;margin:0;}
.cta-band{
 position:relative;overflow:hidden;border-radius:var(--radius-lg);
 padding:40px 36px;border:1px solid rgba(255,180,0,.28);
 background:linear-gradient(140deg,rgba(107,92,255,.26),rgba(255,180,0,.14) 78%);
 box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(20px,2.4vw,26px);color:#fff;margin-bottom:12px;}
.cta-band p{color:#d6ddf8;font-size:14.5px;line-height:1.85;max-width:560px;margin-bottom:22px;}
.cta-form{display:flex;flex-wrap:wrap;gap:12px;max-width:520px;}
.cta-form input{
 flex:1 1 220px;min-width:0;padding:13px 18px;border-radius:999px;
 border:1px solid var(--line);background:rgba(5,9,26,.55);color:#fff;font-size:14.5px;
 transition:border-color .22s,box-shadow .22s;
}
.cta-form input::placeholder{color:#8c97bd;}
.cta-form input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,225,212,.16);}
.cta-hint{margin-top:14px;font-size:12.5px;color:#a6b0d3;}

/* ---------- footer ---------- */
.site-footer{
 background:var(--bg-deep);border-top:1px solid var(--line-soft);padding:54px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:38px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:14px;}
.footer-desc{font-size:14px;color:var(--muted);line-height:1.9;max-width:440px;}
.footer-col h3{font-size:14px;color:#fff;letter-spacing:1px;margin-bottom:14px;}
.footer-col ul{display:grid;gap:9px;}
.footer-col a{font-size:14px;color:var(--muted);transition:color .2s,padding-left .2s;}
.footer-col a:hover{color:var(--gold-light);padding-left:4px;}
.footer-bottom{
 margin-top:38px;padding-top:20px;border-top:1px solid var(--line-soft);
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
 font-size:13px;color:#7f8ab0;
}

/* ---------- responsive ---------- */
@media (max-width:1080px){
 .article-layout{grid-template-columns:minmax(0,1fr);gap:34px;}
 .article-side{position:static;grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:960px){
 .nav-toggle{display:flex;}
 .nav{
  position:absolute;left:0;right:0;top:calc(100% + 8px);margin-left:0;
  display:none;padding:12px;border-radius:16px;border:1px solid var(--line);
  background:rgba(8,13,32,.98);box-shadow:var(--shadow);
 }
 .nav-toggle-input:checked ~ .nav{display:block;}
 .nav-list{flex-direction:column;align-items:stretch;gap:4px;}
 .nav-link{padding:12px 14px;font-size:15px;}
 .mega-wrap{display:none;}
 .header-inner{gap:12px;}
 .step-grid,.metric-grid,.read-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
 .footer-grid{grid-template-columns:1fr 1fr;}
 .footer-grid > div:first-child{grid-column:1 / -1;}
}
@media (max-width:768px){
 .article-hero{padding:40px 0 42px;}
 .article-shell{padding:40px 0 56px;}
 .section{padding:48px 0;}
 .section-tight{padding:0 0 48px;}
 .article-content{font-size:15.8px;line-height:1.9;}
 .article-content h2{font-size:20.5px;margin-top:32px;}
 .article-content h3{font-size:17.5px;}
 .contrast{grid-template-columns:1fr;}
 .article-side{grid-template-columns:1fr;}
 .cta-band{padding:30px 22px;}
 .footer-grid{grid-template-columns:1fr;gap:26px;}
 .footer-bottom{justify-content:flex-start;}
}
@media (max-width:520px){
 .container{padding:0 16px;}
 .header-inner{min-height:64px;}
 .brand{font-size:17px;}
 .brand-mark{width:32px;height:32px;border-radius:10px;font-size:15px;}
 .step-grid,.metric-grid,.read-grid{grid-template-columns:1fr;}
 .article-hero h1{font-size:24px;}
 .article-meta{gap:8px 14px;font-size:12.5px;}
 .btn{padding:12px 22px;font-size:14.5px;}
 .cta-form input{flex:1 1 100%;}
 .cta-form .btn{width:100%;}
 .cover-figure img{aspect-ratio:4/3;}
}

/* roulang page: category1 */
:root{
  --bg:#070b1c;
  --bg-soft:#0c1230;
  --bg-deep:#05091a;
  --panel:rgba(255,255,255,.055);
  --panel-strong:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.12);
  --line-soft:rgba(255,255,255,.07);
  --text:#eaefff;
  --muted:#9aa5c9;
  --gold:#ffb400;
  --gold-light:#ffd45c;
  --gold-deep:#ff8a00;
  --cyan:#38e1d4;
  --violet:#6b5cff;
  --radius:14px;
  --radius-sm:10px;
  --radius-lg:20px;
  --shadow:0 18px 44px rgba(4,8,24,.55);
  --shadow-soft:0 10px 26px rgba(4,8,24,.4);
  --shadow-gold:0 12px 30px rgba(255,150,0,.36);
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:
    radial-gradient(1100px 620px at 82% -8%, rgba(107,92,255,.20), transparent 62%),
    radial-gradient(900px 520px at 6% 12%, rgba(56,225,212,.10), transparent 60%),
    var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 14px;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.32;letter-spacing:.3px;}
button,input,select,textarea{font:inherit;}
button{cursor:pointer;border:0;background:none;color:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(6,10,26,.88);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line-soft);
}
.header-inner{position:relative;display:flex;align-items:center;gap:22px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:.4px;white-space:nowrap;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--violet),var(--cyan));
  color:#061024;font-weight:900;font-size:17px;
  box-shadow:0 8px 22px rgba(107,92,255,.45);
}
.brand-text{background:linear-gradient(120deg,#ffffff,#b9c4ea);-webkit-background-clip:text;background-clip:text;color:transparent;}
.nav{margin-left:auto;}
.nav-list{display:flex;align-items:center;gap:6px;}
.nav-link{
  display:block;padding:9px 15px;border-radius:10px;font-size:15px;color:var(--muted);
  transition:color .22s,background .22s,box-shadow .22s;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07);}
.nav-link.is-active{
  color:#1a1204;font-weight:700;
  background:linear-gradient(135deg,var(--gold-light),var(--gold));
  box-shadow:var(--shadow-gold);
}
.mega-wrap{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.055);font-size:14px;color:var(--text);
  transition:border-color .22s,box-shadow .22s,background .22s;
}
.mega-trigger::after{content:"▾";font-size:11px;color:var(--cyan);}
.mega-trigger:hover{border-color:rgba(56,225,212,.6);box-shadow:0 0 0 3px rgba(56,225,212,.12);}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:430px;padding:20px;
  border-radius:16px;background:rgba(10,15,36,.98);border:1px solid var(--line);
  box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s,transform .24s,visibility .24s;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{font-size:12px;letter-spacing:2px;color:var(--cyan);margin-bottom:10px;font-weight:700;}
.mega-grid{display:grid;gap:8px;margin-bottom:16px;}
.mega-grid a{
  display:block;padding:11px 14px;border-radius:11px;border:1px solid var(--line-soft);
  background:rgba(255,255,255,.04);font-size:14px;font-weight:600;
  transition:border-color .2s,background .2s,transform .2s;
}
.mega-grid a em{display:block;font-style:normal;font-size:12px;font-weight:400;color:var(--muted);margin-top:3px;}
.mega-grid a:hover{border-color:rgba(255,180,0,.55);background:rgba(255,180,0,.08);transform:translateX(3px);}
.mega-note{font-size:13px;color:var(--muted);line-height:1.7;margin:0;}
.nav-toggle-input{position:absolute;opacity:0;pointer-events:none;width:0;height:0;}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.06);
  flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:.22s;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 30px;border-radius:999px;font-size:15px;font-weight:700;
  border:1px solid transparent;
  transition:transform .25s,box-shadow .25s,background .25s,border-color .25s,color .25s;
}
.btn-gold{
  color:#1c1300;
  background:linear-gradient(135deg,var(--gold-light),var(--gold) 52%,var(--gold-deep));
  box-shadow:var(--shadow-gold);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(255,150,0,.5);}
.btn-ghost{
  color:var(--text);border-color:var(--line);background:rgba(255,255,255,.05);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.02);
}
.btn-ghost:hover{border-color:rgba(56,225,212,.55);color:#fff;box-shadow:0 0 0 3px rgba(56,225,212,.12);}
.btn-sm{padding:10px 20px;font-size:14px;}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;padding:58px 0 76px;
  background:linear-gradient(160deg,#0a1028,#0a0d22 62%,#120c2c);
}
.cat-hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/f6ab2822740ef248.webp') center/cover no-repeat;
  opacity:.42;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(5,9,26,.97) 0%,rgba(9,14,38,.9) 48%,rgba(30,17,68,.72) 100%);
}
.cat-hero-glow{
  position:absolute;left:-10%;bottom:-40%;width:120%;height:110%;z-index:1;
  background:linear-gradient(120deg,rgba(107,92,255,.42),rgba(56,225,212,.16) 58%,rgba(255,180,0,.14));
  clip-path:polygon(0 52%,100% 10%,100% 100%,0 100%);
  opacity:.7;
}
.cat-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:center;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px;}
.crumb a{color:var(--muted);transition:color .2s;}
.crumb a:hover{color:var(--gold-light);}
.crumb span:last-child{color:#c8d1ee;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  font-size:13px;letter-spacing:1px;color:#ffe6a6;
  border:1px solid rgba(255,180,0,.42);background:rgba(255,180,0,.12);margin-bottom:20px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--gold);display:block;box-shadow:0 0 10px var(--gold);}
.cat-hero h1{
  font-size:clamp(28px,3.9vw,46px);line-height:1.26;font-weight:900;
  text-shadow:0 4px 26px rgba(3,6,20,.85);
}
.cat-hero h1 span{color:var(--gold-light);}
.hero-lead{margin-top:20px;font-size:16px;line-height:1.95;color:#c3cbec;max-width:640px;}
.lead-form{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px;max-width:560px;}
.lead-form input{
  flex:1 1 240px;min-width:0;padding:14px 20px;border-radius:999px;
  background:rgba(255,255,255,.07);border:1px solid var(--line);color:var(--text);
  transition:border-color .22s,box-shadow .22s,background .22s;
}
.lead-form input::placeholder{color:#8892b8;}
.lead-form input:hover{background:rgba(255,255,255,.1);}
.lead-form input:focus{outline:none;border-color:rgba(255,180,0,.7);box-shadow:0 0 0 3px rgba(255,180,0,.16);}
.form-note{font-size:13px;color:var(--muted);margin-top:12px;min-height:20px;}
.form-note.is-ok{color:var(--cyan);}
.hero-panel{
  border-radius:var(--radius-lg);padding:26px 24px;
  background:linear-gradient(160deg,rgba(255,255,255,.10),rgba(255,255,255,.035));
  border:1px solid rgba(255,255,255,.16);
  box-shadow:var(--shadow);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.hero-panel h2{font-size:15px;letter-spacing:1px;color:var(--cyan);margin-bottom:16px;font-weight:700;}
.panel-row{display:flex;align-items:baseline;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.12);}
.panel-row:last-of-type{border-bottom:0;}
.panel-row span{font-size:14px;color:var(--muted);}
.panel-row b{font-size:17px;color:#fff;font-variant-numeric:tabular-nums;}
.panel-row b em{font-style:normal;font-size:12px;color:var(--gold-light);margin-left:3px;}
.panel-foot{margin:14px 0 0;font-size:12.5px;color:#9aa5c9;line-height:1.7;}

/* ---------- section ---------- */
.section{padding:74px 0;}
.section--tight{padding:58px 0;}
.section--alt{background:linear-gradient(180deg,rgba(12,18,48,.92),rgba(7,11,28,.96));border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-block;font-size:12.5px;letter-spacing:2.4px;color:var(--cyan);
  margin-bottom:12px;font-weight:700;
}
.section-title{font-size:clamp(22px,2.6vw,32px);line-height:1.36;}
.section-sub{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.9;}

/* ---------- grids / cards ---------- */
.grid-2,.grid-3,.grid-4{display:grid;gap:20px;}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}
.gcard{
  position:relative;padding:26px 24px;border-radius:var(--radius);
  background:linear-gradient(165deg,rgba(255,255,255,.075),rgba(255,255,255,.035));
  border:1px solid var(--line);
  box-shadow:var(--shadow-soft);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  transition:transform .28s,border-color .28s,box-shadow .28s;
}
.gcard:hover{transform:translateY(-5px);border-color:rgba(255,180,0,.42);box-shadow:var(--shadow);}
.gcard h3{font-size:18px;margin-bottom:10px;}
.gcard p{color:var(--muted);font-size:14.5px;line-height:1.86;margin:0;}
.tag{
  display:inline-block;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:700;
  letter-spacing:.5px;color:#ffe6a6;background:rgba(255,180,0,.14);
  border:1px solid rgba(255,180,0,.34);margin-bottom:14px;
}
.tag-cyan{color:#b9fbf5;background:rgba(56,225,212,.13);border-color:rgba(56,225,212,.36);}
.tag-violet{color:#d4cdff;background:rgba(107,92,255,.18);border-color:rgba(107,92,255,.42);}
.card-list{margin-top:14px;display:grid;gap:8px;}
.card-list li{position:relative;padding-left:18px;font-size:14px;color:#c1caea;line-height:1.8;}
.card-list li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 8px rgba(255,180,0,.7);}

/* ---------- metrics ---------- */
.metric{
  padding:24px 22px;border-radius:var(--radius);text-align:left;
  background:rgba(255,255,255,.045);border:1px solid var(--line-soft);
  transition:border-color .26s,background .26s,transform .26s;
}
.metric:hover{border-color:rgba(56,225,212,.42);background:rgba(56,225,212,.07);transform:translateY(-4px);}
.metric b{display:block;font-size:32px;font-weight:900;line-height:1.1;color:#fff;font-variant-numeric:tabular-nums;}
.metric b i{font-style:normal;font-size:16px;color:var(--gold-light);margin-left:4px;}
.metric span{display:block;margin-top:8px;font-size:13.5px;color:var(--muted);}

/* ---------- compare ---------- */
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.compare-card{
  padding:28px 26px;border-radius:var(--radius-lg);border:1px solid var(--line);
  background:rgba(255,255,255,.04);
}
.compare-card.is-good{
  border-color:rgba(255,180,0,.45);
  background:linear-gradient(160deg,rgba(255,180,0,.12),rgba(255,255,255,.04));
  box-shadow:0 18px 40px rgba(255,140,0,.16);
}
.compare-card h3{font-size:19px;margin-bottom:6px;}
.compare-card .compare-meta{font-size:13px;color:var(--muted);margin-bottom:18px;}
.compare-list li{
  display:flex;gap:10px;align-items:flex-start;
  padding:11px 0;border-bottom:1px dashed rgba(255,255,255,.1);
  font-size:14.5px;color:#c8d0ec;line-height:1.8;
}
.compare-list li:last-child{border-bottom:0;}
.compare-list li b{flex:0 0 auto;color:#fff;font-variant-numeric:tabular-nums;}
.mark-no{color:#ff8a8a;font-weight:800;}
.mark-yes{color:var(--cyan);font-weight:800;}
.result-band{
  margin-top:24px;display:flex;flex-wrap:wrap;gap:26px;align-items:center;justify-content:space-between;
  padding:22px 26px;border-radius:var(--radius);
  border:1px solid var(--line);background:rgba(255,255,255,.045);
}
.result-band p{margin:0;font-size:14.5px;color:var(--muted);}
.result-band strong{color:var(--gold-light);font-size:18px;}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:26px;}
.timeline::before{
  content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,rgba(255,180,0,.75),rgba(56,225,212,.5),rgba(107,92,255,.18));
}
.timeline-item{position:relative;padding:0 0 26px 18px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";position:absolute;left:-25px;top:9px;width:12px;height:12px;border-radius:50%;
  background:#0a1028;border:2px solid var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.12);
}
.timeline-item h3{font-size:16.5px;margin-bottom:6px;}
.timeline-item h3 em{font-style:normal;font-size:12.5px;color:var(--cyan);margin-left:8px;font-weight:700;}
.timeline-item p{margin:0;color:var(--muted);font-size:14.5px;line-height:1.86;}

/* ---------- media row ---------- */
.media-row{display:grid;grid-template-columns:1.02fr .98fr;gap:44px;align-items:center;}
.media-figure{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.media-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;transition:transform .6s;}
.media-figure:hover img{transform:scale(1.04);}
.media-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:18px 20px 16px;
  font-size:13px;color:#dbe2f8;
  background:linear-gradient(180deg,rgba(5,9,26,0),rgba(5,9,26,.88));
}
.feature-list{display:grid;gap:16px;margin-top:22px;}
.feature-item{
  padding:18px 20px;border-radius:var(--radius);border:1px solid var(--line-soft);
  background:rgba(255,255,255,.04);transition:border-color .24s,background .24s,transform .24s;
}
.feature-item:hover{border-color:rgba(107,92,255,.45);background:rgba(107,92,255,.09);transform:translateX(4px);}
.feature-item h3{font-size:16px;margin-bottom:6px;}
.feature-item p{margin:0;font-size:14px;color:var(--muted);line-height:1.84;}

/* ---------- channel matrix ---------- */
.channel-card{display:block;text-decoration:none;padding:26px 24px;border-radius:var(--radius);border:1px solid var(--line);background:rgba(255,255,255,.04);transition:transform .28s,border-color .28s,box-shadow .28s;}
.channel-card:hover{transform:translateY(-5px);border-color:rgba(255,180,0,.45);box-shadow:var(--shadow);}
.channel-card h3{font-size:18px;margin-bottom:8px;display:flex;align-items:center;gap:8px;}
.channel-card h3::after{content:"→";color:var(--gold);font-size:15px;transition:transform .25s;}
.channel-card:hover h3::after{transform:translateX(4px);}
.channel-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.84;}
.channel-card.is-current{border-color:rgba(56,225,212,.45);background:rgba(56,225,212,.08);}

/* ---------- faq ---------- */
.faq{display:grid;gap:12px;max-width:900px;}
.faq details{
  border-radius:var(--radius);border:1px solid var(--line-soft);
  background:rgba(255,255,255,.04);padding:0 22px;
  transition:border-color .24s,background .24s;
}
.faq details:hover{border-color:rgba(255,180,0,.36);background:rgba(255,180,0,.06);}
.faq details[open]{border-color:rgba(255,180,0,.46);background:rgba(255,180,0,.07);}
.faq summary{
  list-style:none;cursor:pointer;padding:18px 34px 18px 0;position:relative;
  font-size:16px;font-weight:700;color:#f1f5ff;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"+";position:absolute;right:0;top:15px;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;font-size:17px;font-weight:700;color:var(--gold);
  border:1px solid rgba(255,180,0,.42);background:rgba(255,180,0,.1);transition:transform .24s;
}
.faq details[open] summary::after{content:"−";transform:rotate(180deg);}
.faq .faq-body{padding:0 0 20px;color:var(--muted);font-size:14.5px;line-height:1.92;margin:0;}

/* ---------- cta ---------- */
.cta-panel{
  position:relative;overflow:hidden;padding:44px 40px;border-radius:var(--radius-lg);
  border:1px solid rgba(255,180,0,.32);
  background:linear-gradient(135deg,rgba(255,180,0,.14),rgba(107,92,255,.16) 58%,rgba(56,225,212,.1));
  box-shadow:var(--shadow);
  display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:center;
}
.cta-panel h2{font-size:clamp(22px,2.4vw,30px);line-height:1.36;}
.cta-panel p{margin-top:12px;color:#cdd5f0;font-size:15px;line-height:1.9;}
.cta-form{display:grid;gap:12px;}
.cta-form input{
  width:100%;padding:14px 20px;border-radius:999px;
  background:rgba(5,9,26,.5);border:1px solid rgba(255,255,255,.2);color:var(--text);
  transition:border-color .22s,box-shadow .22s;
}
.cta-form input::placeholder{color:#95a0c4;}
.cta-form input:focus{outline:none;border-color:rgba(255,180,0,.8);box-shadow:0 0 0 3px rgba(255,180,0,.18);}
.cta-form .btn{width:100%;}

/* ---------- footer ---------- */
.site-footer{
  background:linear-gradient(180deg,rgba(5,9,26,.98),#040814);
  border-top:1px solid var(--line-soft);
  padding:58px 0 26px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr .75fr .75fr;gap:38px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;margin-bottom:14px;}
.footer-desc{color:var(--muted);font-size:14px;line-height:1.86;margin:0;max-width:420px;}
.footer-col h3{font-size:14px;letter-spacing:1.4px;color:#cfd7f2;margin-bottom:14px;}
.footer-col ul{display:grid;gap:9px;}
.footer-col a{color:var(--muted);font-size:14px;transition:color .22s,padding-left .22s;}
.footer-col a:hover{color:var(--gold-light);padding-left:4px;}
.footer-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#7d88ad;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .cat-hero-inner{grid-template-columns:1fr;gap:36px;}
  .hero-panel{max-width:560px;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .media-row{grid-template-columns:1fr;gap:30px;}
  .cta-panel{grid-template-columns:1fr;padding:34px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:900px){
  .nav-toggle{display:flex;}
  .nav{
    display:none;position:absolute;left:-22px;right:-22px;top:100%;
    margin:0;padding:14px 22px 20px;flex-direction:column;align-items:stretch;
    background:rgba(8,13,32,.99);border-bottom:1px solid var(--line);
    box-shadow:0 24px 48px rgba(2,5,16,.6);
  }
  .nav-list{flex-direction:column;align-items:stretch;gap:4px;}
  .nav-link{padding:12px 14px;font-size:15.5px;}
  .nav-link.is-active{box-shadow:none;}
  .nav-toggle-input:checked ~ .nav{display:flex;}
  .nav-toggle-input:checked ~ .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .nav-toggle-input:checked ~ .nav-toggle span:nth-child(2){opacity:0;}
  .nav-toggle-input:checked ~ .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  .mega-wrap{display:none;}
  .header-inner{gap:12px;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .section--tight{padding:46px 0;}
  .grid-4,.grid-3,.grid-2,.compare{grid-template-columns:1fr;}
  .cat-hero{padding:42px 0 58px;}
  .hero-lead{font-size:15px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .metric b{font-size:28px;}
}
@media (max-width:520px){
  body{font-size:15.5px;}
  .container{padding:0 16px;}
  .header-inner{min-height:64px;}
  .brand{font-size:17px;}
  .brand-mark{width:32px;height:32px;border-radius:10px;font-size:15px;}
  .lead-form{gap:8px;}
  .lead-form input{flex:1 1 100%;}
  .lead-form .btn{width:100%;}
  .btn{padding:12px 22px;font-size:14.5px;}
  .gcard,.compare-card,.channel-card{padding:20px 18px;}
  .hero-panel{padding:20px 18px;}
  .cta-panel{padding:26px 20px;}
  .cat-hero h1{font-size:26px;}
  .result-band{padding:18px 18px;gap:14px;}
  .timeline{padding-left:22px;}
}

/* roulang page: category2 */
:root{
  --bg:#070b1c;
  --bg-soft:#0c1230;
  --bg-deep:#05091a;
  --panel:rgba(255,255,255,.055);
  --panel-strong:rgba(255,255,255,.09);
  --line:rgba(255,255,255,.12);
  --line-soft:rgba(255,255,255,.07);
  --text:#eaefff;
  --muted:#9aa5c9;
  --gold:#ffb400;
  --gold-light:#ffd45c;
  --gold-deep:#ff8a00;
  --cyan:#38e1d4;
  --violet:#6b5cff;
  --radius:14px;
  --radius-sm:10px;
  --radius-lg:20px;
  --shadow:0 18px 44px rgba(4,8,24,.55);
  --shadow-soft:0 10px 26px rgba(4,8,24,.4);
  --shadow-gold:0 12px 30px rgba(255,150,0,.36);
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.78;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background:
    radial-gradient(720px 420px at 82% -8%,rgba(107,92,255,.22),transparent 70%),
    radial-gradient(560px 360px at 6% 12%,rgba(56,225,212,.12),transparent 72%);
}
h1,h2,h3,h4,p,figure{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px;position:relative;z-index:1;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(6,10,26,.88);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line-soft);
}
.header-inner{position:relative;display:flex;align-items:center;gap:22px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:.4px;white-space:nowrap;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--violet),var(--cyan));
  color:#061024;font-weight:900;font-size:17px;
  box-shadow:0 8px 22px rgba(107,92,255,.45);
}
.brand-text{background:linear-gradient(120deg,#ffffff,#b9c4ea);-webkit-background-clip:text;background-clip:text;color:transparent;}
.nav{margin-left:auto;}
.nav-list{display:flex;align-items:center;gap:6px;}
.nav-link{
  display:block;padding:9px 15px;border-radius:10px;font-size:15px;color:var(--muted);
  transition:color .22s,background .22s,box-shadow .22s;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07);}
.nav-link.is-active{
  color:#1a1204;font-weight:700;
  background:linear-gradient(135deg,var(--gold-light),var(--gold));
  box-shadow:var(--shadow-gold);
}
.mega-wrap{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.055);font-size:14px;color:var(--text);
  transition:border-color .22s,box-shadow .22s,background .22s;
}
.mega-trigger::after{content:"▾";font-size:11px;color:var(--cyan);}
.mega-trigger:hover{border-color:rgba(56,225,212,.6);box-shadow:0 0 0 3px rgba(56,225,212,.12);}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:430px;padding:20px;
  border-radius:16px;background:rgba(10,15,36,.98);border:1px solid var(--line);
  box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s,transform .24s,visibility .24s;
}
.mega-wrap:hover .mega-panel,
.mega-wrap:focus-within .mega-panel,
.mega-wrap.is-open .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{font-size:12px;letter-spacing:2px;color:var(--cyan);margin-bottom:10px;}
.mega-grid{display:grid;gap:8px;margin-bottom:16px;}
.mega-grid a{
  display:block;padding:11px 14px;border-radius:11px;border:1px solid var(--line-soft);
  background:rgba(255,255,255,.04);font-size:14px;font-weight:600;
  transition:border-color .2s,background .2s,transform .2s;
}
.mega-grid a em{display:block;font-style:normal;font-size:12px;font-weight:400;color:var(--muted);margin-top:3px;}
.mega-grid a:hover{border-color:rgba(255,180,0,.55);background:rgba(255,180,0,.08);transform:translateX(3px);}
.mega-note{font-size:13px;color:var(--muted);line-height:1.7;}
.nav-toggle-input{position:absolute;opacity:0;pointer-events:none;width:0;height:0;}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:rgba(255,255,255,.06);
  flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:.22s;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 28px;border-radius:999px;font-size:15px;font-weight:700;
  border:1px solid transparent;
  transition:transform .25s,box-shadow .25s,background .25s,border-color .25s,color .25s;
}
.btn-gold{
  color:#1a1204;
  background:linear-gradient(135deg,var(--gold-light),var(--gold) 46%,var(--gold-deep));
  box-shadow:var(--shadow-gold);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(255,150,0,.5);}
.btn-ghost{
  color:#dfe6ff;border-color:rgba(255,255,255,.22);background:rgba(255,255,255,.05);
}
.btn-ghost:hover{border-color:var(--cyan);color:#fff;box-shadow:0 0 0 3px rgba(56,225,212,.14);transform:translateY(-2px);}
.btn-glow{box-shadow:0 0 0 1px rgba(255,180,0,.35),0 18px 40px rgba(255,150,0,.38);}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;padding:76px 0 84px;
  background:#0a0f26 url('/assets/images/f6ab2822740ef248.webp') center/cover no-repeat;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(5,9,26,.96) 0%,rgba(9,15,40,.9) 48%,rgba(26,20,66,.72) 100%);
}
.hero-grid{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:48px;align-items:start;
}
.hero-copy{position:relative;z-index:2;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 15px;border-radius:999px;
  font-size:12.5px;letter-spacing:1.6px;color:#ffe5a3;
  border:1px solid rgba(255,180,0,.4);background:rgba(255,180,0,.12);margin-bottom:20px;
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--gold);display:block;box-shadow:0 0 10px var(--gold);}
.page-hero h1{
  font-size:clamp(27px,3.6vw,44px);line-height:1.28;font-weight:900;letter-spacing:.4px;
  text-shadow:0 4px 26px rgba(3,6,20,.85);
}
.page-hero h1 span{
  background:linear-gradient(120deg,var(--gold-light),var(--gold));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:20px;font-size:15.5px;line-height:1.95;color:#c3cbea;max-width:640px;}
.hero-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:13px;}
.hero-points{margin-top:30px;display:grid;gap:9px;max-width:560px;}
.hero-points li{
  position:relative;padding-left:22px;font-size:14px;color:#aab4d6;
}
.hero-points li::before{
  content:"";position:absolute;left:0;top:.7em;width:8px;height:8px;border-radius:3px;
  background:linear-gradient(135deg,var(--cyan),var(--violet));
}

/* hero plan panel */
.hero-panel{
  position:relative;z-index:2;padding:24px;border-radius:var(--radius-lg);
  background:linear-gradient(160deg,rgba(255,255,255,.1),rgba(255,255,255,.035));
  border:1px solid var(--line);box-shadow:var(--shadow);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.panel-title{font-size:12.5px;letter-spacing:2.6px;color:var(--cyan);margin-bottom:16px;}
.plan-card{
  padding:16px 18px;border-radius:var(--radius);border:1px solid var(--line-soft);
  background:rgba(255,255,255,.04);margin-bottom:12px;
  transition:border-color .25s,transform .25s,background .25s;
}
.plan-card:hover{border-color:rgba(56,225,212,.45);transform:translateY(-2px);}
.plan-card:last-child{margin-bottom:0;}
.plan-head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.plan-name{font-size:15.5px;font-weight:800;}
.plan-tag{
  font-size:11.5px;padding:3px 10px;border-radius:999px;color:#bfe9ff;
  border:1px solid rgba(56,225,212,.4);background:rgba(56,225,212,.12);
}
.plan-desc{margin-top:8px;font-size:13.2px;color:var(--muted);line-height:1.72;}
.plan-meta{margin-top:10px;display:flex;flex-wrap:wrap;gap:14px;font-size:12.5px;color:#8e99bf;}
.plan-meta b{color:var(--gold-light);font-weight:700;}
.plan-card.is-featured{
  background:linear-gradient(150deg,rgba(255,180,0,.18),rgba(107,92,255,.14));
  border-color:rgba(255,180,0,.55);box-shadow:0 14px 34px rgba(255,150,0,.22);
}
.plan-card.is-featured .plan-name{color:#ffe6a6;}
.plan-card.is-featured .plan-tag{color:#1a1204;border-color:transparent;background:linear-gradient(135deg,var(--gold-light),var(--gold));font-weight:800;}
.plan-link{
  display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:13px;font-weight:700;
  color:var(--gold-light);transition:gap .2s,color .2s;
}
.plan-link::after{content:"→";font-size:13px;}
.plan-link:hover{gap:11px;color:#fff;}

/* ---------- sections ---------- */
.section{padding:76px 0;position:relative;}
.section--alt{
  background:linear-gradient(180deg,rgba(12,18,48,.92),rgba(7,11,28,.55));
  border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);
}
.section-head{max-width:760px;margin-bottom:38px;}
.section-label{display:block;font-size:12px;letter-spacing:3px;color:var(--cyan);margin-bottom:12px;}
.section-title{font-size:clamp(22px,2.5vw,31px);font-weight:800;line-height:1.38;}
.section-sub{margin-top:14px;font-size:15px;color:var(--muted);line-height:1.9;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}

/* metric board */
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.metric{
  padding:22px 20px;border-radius:var(--radius);border:1px solid var(--line);
  background:var(--panel);transition:transform .25s,border-color .25s,box-shadow .25s;
}
.metric:hover{transform:translateY(-4px);border-color:rgba(56,225,212,.45);box-shadow:var(--shadow-soft);}
.metric b{
  display:block;font-size:30px;font-weight:900;letter-spacing:.5px;
  font-variant-numeric:tabular-nums;
  background:linear-gradient(120deg,#ffffff,#ffd45c);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric span{display:block;margin-top:6px;font-size:13.5px;color:var(--muted);}
.metric em{display:block;margin-top:10px;font-style:normal;font-size:12.5px;color:#7f8bb2;}
.metric-note{
  margin-top:22px;padding:16px 20px;border-radius:var(--radius-sm);
  border-left:3px solid var(--gold);background:rgba(255,180,0,.08);
  font-size:13.8px;color:#c8cfec;
}

/* matrix */
.matrix-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.module-card{
  position:relative;padding:26px 24px;border-radius:var(--radius);
  border:1px solid var(--line);background:var(--panel);overflow:hidden;
  transition:transform .28s,border-color .28s,box-shadow .28s,background .28s;
}
.module-card::before{
  content:"";position:absolute;inset:0 auto auto 0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--cyan),var(--violet),var(--gold));
  opacity:0;transition:opacity .28s;
}
.module-card:hover{transform:translateY(-5px);border-color:rgba(255,180,0,.42);box-shadow:var(--shadow);background:var(--panel-strong);}
.module-card:hover::before{opacity:1;}
.module-num{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:11px;
  font-size:13px;font-weight:800;color:#08122c;
  background:linear-gradient(135deg,var(--cyan),var(--violet));margin-bottom:14px;
}
.module-card h3{font-size:17px;font-weight:800;margin-bottom:9px;}
.module-card p{font-size:14px;color:var(--muted);line-height:1.82;}

/* compare */
.compare-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:36px;align-items:start;}
.compare-table{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  background:rgba(255,255,255,.035);
}
.compare-row{
  display:grid;grid-template-columns:150px minmax(0,1fr) minmax(0,1fr);
  border-bottom:1px solid var(--line-soft);
}
.compare-row:last-child{border-bottom:0;}
.compare-row > div{padding:16px 18px;font-size:13.8px;line-height:1.72;}
.compare-row .c-key{color:#aab4d6;font-weight:700;background:rgba(255,255,255,.03);}
.compare-row .c-old{color:#8c96bb;}
.compare-row .c-new{color:#eef2ff;background:rgba(255,180,0,.06);}
.compare-row.c-head > div{
  font-size:12.5px;letter-spacing:1.6px;color:var(--cyan);
  background:rgba(56,225,212,.08);font-weight:700;
}
.compare-row.c-head .c-new{color:var(--gold-light);background:rgba(255,180,0,.13);}
.compare-figure{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-soft);}
.compare-figure img{width:100%;height:280px;object-fit:cover;}
.figure-body{padding:20px 22px;background:var(--panel);}
.figure-body h3{font-size:16.5px;font-weight:800;margin-bottom:8px;}
.figure-body p{font-size:13.8px;color:var(--muted);line-height:1.8;}
.figure-tags{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  font-size:12px;padding:4px 11px;border-radius:999px;color:#c9d3f5;
  border:1px solid var(--line);background:rgba(255,255,255,.05);
}

/* timeline */
.timeline{position:relative;padding-left:26px;}
.timeline::before{
  content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--cyan),var(--violet),rgba(255,180,0,.15));
}
.tl-item{position:relative;padding:0 0 26px 20px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-26px;top:8px;width:12px;height:12px;border-radius:50%;
  background:var(--bg-deep);border:2px solid var(--gold);box-shadow:0 0 0 4px rgba(255,180,0,.12);
}
.tl-ver{
  display:inline-block;font-size:12.5px;font-weight:800;letter-spacing:1px;
  padding:2px 10px;border-radius:999px;color:#08122c;
  background:linear-gradient(135deg,var(--gold-light),var(--gold));margin-bottom:8px;
}
.tl-item h3{font-size:16px;font-weight:800;margin-bottom:6px;}
.tl-item p{font-size:14px;color:var(--muted);line-height:1.8;}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.step{
  padding:24px 20px;border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(165deg,rgba(255,255,255,.075),rgba(255,255,255,.028));
  transition:transform .26s,border-color .26s,box-shadow .26s;
}
.step:hover{transform:translateY(-4px);border-color:rgba(56,225,212,.45);box-shadow:var(--shadow-soft);}
.step-idx{
  font-size:12.5px;letter-spacing:2px;color:var(--cyan);font-weight:700;margin-bottom:10px;
}
.step h3{font-size:16px;font-weight:800;margin-bottom:8px;}
.step p{font-size:13.8px;color:var(--muted);line-height:1.8;}

/* trust */
.trust-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;}
.trust-item{
  padding:22px 20px;border-radius:var(--radius);border:1px solid var(--line-soft);
  background:rgba(255,255,255,.04);transition:border-color .25s,background .25s;
}
.trust-item:hover{border-color:rgba(255,180,0,.4);background:rgba(255,180,0,.06);}
.trust-item h3{font-size:15.5px;font-weight:800;margin-bottom:7px;display:flex;align-items:center;gap:8px;}
.trust-item h3::before{
  content:"";width:8px;height:8px;border-radius:3px;
  background:linear-gradient(135deg,var(--cyan),var(--violet));
}
.trust-item p{font-size:13.5px;color:var(--muted);line-height:1.78;}

/* quick list */
.quick-wrap{
  display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:36px;align-items:start;
}
.quick-list{display:grid;gap:12px;}
.quick-list li{
  padding:14px 18px 14px 42px;position:relative;border-radius:var(--radius-sm);
  border:1px solid var(--line-soft);background:rgba(255,255,255,.04);
  font-size:14px;color:#cbd3ee;line-height:1.75;transition:border-color .22s,background .22s;
}
.quick-list li::before{
  content:"◆";position:absolute;left:17px;top:14px;font-size:10px;color:var(--gold);
}
.quick-list li:hover{border-color:rgba(255,180,0,.42);background:rgba(255,180,0,.07);}
.quick-figure{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-soft);}
.quick-figure img{width:100%;height:100%;min-height:280px;object-fit:cover;}

/* faq */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  border-radius:var(--radius);border:1px solid var(--line);background:var(--panel);
  overflow:hidden;transition:border-color .24s,background .24s;
}
.faq-item[open]{border-color:rgba(255,180,0,.45);background:rgba(255,180,0,.06);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 52px 18px 22px;position:relative;
  font-size:15.5px;font-weight:700;color:#eef2ff;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:19px;font-weight:400;color:var(--gold);transition:transform .24s,color .24s;
}
.faq-item[open] summary::after{content:"–";color:var(--cyan);}
.faq-item p{padding:0 22px 20px;font-size:14px;color:var(--muted);line-height:1.86;}

/* join */
.join-card{
  padding:40px;border-radius:var(--radius-lg);
  background:
    radial-gradient(520px 260px at 88% 0%,rgba(255,180,0,.2),transparent 70%),
    linear-gradient(150deg,rgba(107,92,255,.24),rgba(12,18,48,.92));
  border:1px solid rgba(255,255,255,.16);box-shadow:var(--shadow);
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:38px;align-items:center;
}
.join-card h2{font-size:clamp(22px,2.4vw,29px);font-weight:800;line-height:1.4;}
.join-card p.lead{margin-top:14px;font-size:14.5px;color:#c3cbea;line-height:1.9;}
.join-points{margin-top:20px;display:grid;gap:9px;}
.join-points li{position:relative;padding-left:20px;font-size:13.6px;color:#aab4d6;}
.join-points li::before{content:"✓";position:absolute;left:0;top:0;color:var(--cyan);font-size:12px;}
.join-form{
  padding:24px;border-radius:var(--radius);border:1px solid var(--line);
  background:rgba(6,10,26,.6);backdrop-filter:blur(10px);
}
.field{margin-bottom:14px;}
.field label{display:block;font-size:12.8px;letter-spacing:.6px;color:#9fabc9;margin-bottom:6px;}
.field input,.field select{
  width:100%;padding:11px 14px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:rgba(255,255,255,.06);color:var(--text);
  font-size:14px;transition:border-color .2s,box-shadow .2s,background .2s;
}
.field input::placeholder{color:#7c87ab;}
.field input:focus,.field select:focus{
  outline:none;border-color:rgba(56,225,212,.7);
  box-shadow:0 0 0 3px rgba(56,225,212,.16);background:rgba(255,255,255,.09);
}
.field select option{background:#0c1230;color:var(--text);}
.join-form .btn{width:100%;margin-top:4px;}
.form-tip{
  margin-top:12px;font-size:12.8px;color:var(--cyan);min-height:18px;opacity:0;transition:opacity .3s;
}
.form-tip.is-show{opacity:1;}

/* footer */
.site-footer{
  margin-top:0;padding:56px 0 26px;
  background:linear-gradient(180deg,rgba(5,9,26,.4),#04081a 42%);
  border-top:1px solid var(--line-soft);position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.6fr) minmax(0,.6fr);gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;margin-bottom:14px;}
.footer-desc{font-size:13.6px;color:var(--muted);line-height:1.86;max-width:460px;}
.footer-col h3{font-size:14px;font-weight:800;letter-spacing:1px;margin-bottom:14px;color:#dfe6ff;}
.footer-col ul{display:grid;gap:9px;}
.footer-col a{font-size:13.6px;color:var(--muted);transition:color .2s,padding-left .2s;}
.footer-col a:hover{color:var(--gold-light);padding-left:4px;}
.footer-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:12.6px;color:#77829f;
}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-panel{max-width:620px;}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .matrix-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .trust-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .compare-grid{grid-template-columns:1fr;gap:26px;}
  .quick-wrap{grid-template-columns:1fr;gap:26px;}
  .join-card{grid-template-columns:1fr;gap:26px;padding:32px;}
}
@media (max-width:900px){
  .header-inner{gap:14px;min-height:66px;}
  .nav-toggle{display:flex;}
  .nav{
    position:absolute;left:0;right:0;top:calc(100% + 8px);margin:0;
    background:rgba(10,15,36,.99);border:1px solid var(--line);border-radius:16px;
    box-shadow:var(--shadow);padding:14px;
    display:none;
  }
  .nav-toggle-input:checked ~ .nav{display:block;}
  .nav-toggle-input:checked ~ .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
  .nav-toggle-input:checked ~ .nav-toggle span:nth-child(2){opacity:0;}
  .nav-toggle-input:checked ~ .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
  .nav-list{flex-direction:column;align-items:stretch;gap:6px;}
  .nav-link{padding:12px 16px;font-size:15px;}
  .mega-wrap{display:none;}
}
@media (max-width:768px){
  .section{padding:58px 0;}
  .page-hero{padding:58px 0 64px;}
  .matrix-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .trust-grid{grid-template-columns:1fr;}
  .compare-row{grid-template-columns:1fr;}
  .compare-row > div{padding:12px 16px;}
  .compare-row .c-key{background:rgba(56,225,212,.1);color:#bfe9ff;font-size:12.5px;letter-spacing:1px;}
  .compare-row .c-old::before{content:"旧打法 · ";color:#6f7a9e;font-weight:700;}
  .compare-row .c-new::before{content:"现版本 · ";color:var(--gold);font-weight:700;}
  .compare-row.c-head{display:none;}
  .compare-figure img{height:220px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .join-card{padding:26px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .brand-text{font-size:17px;}
  .metric-grid{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .metric b{font-size:26px;}
  .page-hero h1{font-size:25px;}
  .section-title{font-size:21px;}
  .faq-item summary{font-size:14.6px;padding:16px 46px 16px 18px;}
  .faq-item p{padding:0 18px 18px;font-size:13.6px;}
  .footer-bottom{font-size:12px;}
  .join-form{padding:18px;}
  .plan-meta{gap:10px;}
}

/* roulang page: category3 */
:root{
 --bg:#070b1c;
 --bg-soft:#0c1230;
 --bg-deep:#05091a;
 --panel:rgba(255,255,255,.055);
 --panel-strong:rgba(255,255,255,.09);
 --line:rgba(255,255,255,.12);
 --line-soft:rgba(255,255,255,.07);
 --text:#eaefff;
 --muted:#9aa5c9;
 --gold:#ffb400;
 --gold-light:#ffd45c;
 --gold-deep:#ff8a00;
 --cyan:#38e1d4;
 --violet:#6b5cff;
 --radius:14px;
 --radius-sm:10px;
 --radius-lg:20px;
 --shadow:0 18px 44px rgba(4,8,24,.55);
 --shadow-soft:0 10px 26px rgba(4,8,24,.4);
 --shadow-gold:0 12px 30px rgba(255,150,0,.36);
 --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 background:var(--bg);
 color:var(--text);
 font-size:16px;
 line-height:1.78;
 -webkit-font-smoothing:antialiased;
 overflow-x:hidden;
}
h1,h2,h3,h4,p,figure,fieldset{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;border:0;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font:inherit;}
summary{list-style:none;cursor:pointer;}
summary::-webkit-details-marker{display:none;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 22px;}

/* ---------- header / nav ---------- */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(6,10,26,.88);
 backdrop-filter:blur(18px);
 -webkit-backdrop-filter:blur(18px);
 border-bottom:1px solid var(--line-soft);
}
.header-inner{position:relative;display:flex;align-items:center;gap:22px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:.4px;white-space:nowrap;}
.brand-mark{
 width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
 background:linear-gradient(135deg,var(--violet),var(--cyan));
 color:#061024;font-weight:900;font-size:17px;
 box-shadow:0 8px 22px rgba(107,92,255,.45);
}
.brand-text{background:linear-gradient(120deg,#ffffff,#b9c4ea);-webkit-background-clip:text;background-clip:text;color:transparent;}
.nav{margin-left:auto;}
.nav-list{display:flex;align-items:center;gap:6px;}
.nav-link{
 display:block;padding:9px 15px;border-radius:10px;font-size:15px;color:var(--muted);
 transition:color .22s,background .22s,box-shadow .22s;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.07);}
.nav-link.is-active{
 color:#1a1204;font-weight:700;
 background:linear-gradient(135deg,var(--gold-light),var(--gold));
 box-shadow:var(--shadow-gold);
}
.mega-wrap{position:relative;}
.mega-trigger{
 display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:999px;
 border:1px solid var(--line);background:rgba(255,255,255,.055);font-size:14px;color:var(--text);
 transition:border-color .22s,box-shadow .22s,background .22s;
}
.mega-trigger::after{content:"▾";font-size:11px;color:var(--cyan);}
.mega-trigger:hover{border-color:rgba(56,225,212,.6);box-shadow:0 0 0 3px rgba(56,225,212,.12);}
.mega-panel{
 position:absolute;right:0;top:calc(100% + 14px);width:430px;padding:20px;
 border-radius:16px;background:rgba(10,15,36,.98);border:1px solid var(--line);
 box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(10px);
 transition:opacity .24s,transform .24s,visibility .24s;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-title{font-size:12px;letter-spacing:2px;color:var(--cyan);margin-bottom:10px;}
.mega-grid{display:grid;gap:8px;margin-bottom:16px;}
.mega-grid a{
 display:block;padding:11px 14px;border-radius:11px;border:1px solid var(--line-soft);
 background:rgba(255,255,255,.04);font-size:14px;font-weight:600;
 transition:border-color .2s,background .2s,transform .2s;
}
.mega-grid a em{display:block;font-style:normal;font-size:12px;font-weight:400;color:var(--muted);margin-top:3px;}
.mega-grid a:hover{border-color:rgba(255,180,0,.55);background:rgba(255,180,0,.08);transform:translateX(3px);}
.mega-note{font-size:13px;color:var(--muted);line-height:1.7;}
.nav-toggle-input{position:absolute;opacity:0;pointer-events:none;width:0;height:0;}
.nav-toggle{
 display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;
 border:1px solid var(--line);background:rgba(255,255,255,.06);
 flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:.22s;}

/* ---------- page hero ---------- */
.page-hero{
 position:relative;overflow:hidden;
 padding:78px 0 88px;
 background:#0a0f26 url('/assets/images/f6ab2822740ef248.webp') center/cover no-repeat;
}
.page-hero::before{
 content:"";position:absolute;inset:0;
 background:linear-gradient(112deg,rgba(5,9,26,.97) 0%,rgba(9,15,40,.9) 46%,rgba(26,16,60,.74) 100%);
}
.page-hero::after{
 content:"";position:absolute;left:-12%;bottom:-42%;width:120%;height:110%;z-index:1;
 background:linear-gradient(120deg,rgba(107,92,255,.42),rgba(56,225,212,.16) 58%,rgba(255,180,0,.14));
 clip-path:polygon(0 62%,100% 12%,100% 100%,0 100%);
 opacity:.75;
}
.hero-grid{
 position:relative;z-index:2;display:grid;grid-template-columns:1.2fr .8fr;
 gap:52px;align-items:center;
}
.crumb{display:flex;align-items:center;gap:9px;font-size:13px;color:var(--muted);margin-bottom:20px;}
.crumb span{opacity:.5;}
.crumb strong{color:var(--cyan);font-weight:600;}
.hero-badge{
 display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
 font-size:13px;letter-spacing:1px;color:#ffe6a6;
 border:1px solid rgba(255,180,0,.42);background:rgba(255,180,0,.12);margin-bottom:20px;
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--gold);display:block;box-shadow:0 0 10px var(--gold);}
.page-hero h1{
 font-size:clamp(28px,3.9vw,44px);line-height:1.28;font-weight:900;letter-spacing:.3px;
 text-shadow:0 4px 26px rgba(3,6,20,.85);
}
.page-hero h1 em{font-style:normal;color:var(--gold-light);}
.hero-lead{
 margin-top:20px;font-size:15.5px;line-height:1.95;color:#c6cdec;max-width:660px;
 text-shadow:0 2px 16px rgba(3,6,20,.8);
}
.hero-cta{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;}

/* ---------- buttons ---------- */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:14px 30px;border-radius:999px;font-size:15px;font-weight:700;
 border:1px solid transparent;
 transition:transform .25s,box-shadow .25s,background .25s,border-color .25s,color .25s;
}
.btn--gold{
 background:linear-gradient(135deg,var(--gold-light),var(--gold) 52%,var(--gold-deep));
 color:#1a1204;box-shadow:var(--shadow-gold);
}
.btn--gold:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(255,150,0,.5);}
.btn--gold:active{transform:translateY(0);box-shadow:0 8px 18px rgba(255,150,0,.35);}
.btn--ghost{
 border-color:rgba(56,225,212,.45);color:#c9fff9;
 background:rgba(56,225,212,.09);
}
.btn--ghost:hover{background:rgba(56,225,212,.18);border-color:rgba(56,225,212,.8);transform:translateY(-2px);box-shadow:0 14px 30px rgba(56,225,212,.18);}
.btn--block{width:100%;padding:15px 24px;}

/* ---------- hero panel ---------- */
.hero-panel{
 padding:24px;border-radius:var(--radius-lg);
 background:linear-gradient(160deg,rgba(255,255,255,.11),rgba(255,255,255,.04));
 border:1px solid rgba(255,255,255,.16);
 box-shadow:var(--shadow);
 backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.hero-panel-title{
 font-size:12.5px;letter-spacing:2px;color:var(--cyan);margin-bottom:16px;
}
.step-mini{display:grid;gap:12px;}
.step-mini li{
 display:flex;gap:12px;align-items:flex-start;padding:12px 14px;border-radius:12px;
 background:rgba(255,255,255,.05);border:1px solid var(--line-soft);
 transition:background .22s,border-color .22s,transform .22s;
}
.step-mini li:hover{background:rgba(255,255,255,.09);border-color:rgba(255,180,0,.4);transform:translateX(3px);}
.step-mini b{
 flex:0 0 30px;height:30px;border-radius:9px;display:grid;place-items:center;
 font-size:12.5px;font-weight:800;color:#061024;
 background:linear-gradient(135deg,var(--cyan),#9ef7ef);
}
.step-mini strong{display:block;font-size:14.5px;font-weight:700;}
.step-mini span{display:block;font-size:12.5px;color:var(--muted);line-height:1.6;margin-top:2px;}
.hero-panel-foot{
 display:flex;align-items:center;justify-content:space-between;
 margin-top:16px;padding-top:14px;border-top:1px solid var(--line-soft);
 font-size:13px;color:var(--muted);
}
.hero-panel-foot b{color:var(--gold-light);font-size:16px;}

/* ---------- sections ---------- */
.section{padding:82px 0;position:relative;}
.section--soft{background:linear-gradient(180deg,var(--bg-soft),var(--bg));border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.section--deep{background:radial-gradient(circle at 18% 0%,rgba(107,92,255,.16),transparent 58%),var(--bg-deep);border-top:1px solid var(--line-soft);}
.section-head{max-width:780px;margin-bottom:44px;}
.section-head.is-center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
 display:inline-block;font-size:12.5px;letter-spacing:2.4px;color:var(--cyan);
 padding:5px 12px;border-radius:999px;border:1px solid rgba(56,225,212,.32);
 background:rgba(56,225,212,.08);margin-bottom:16px;
}
.section-title{font-size:clamp(23px,2.9vw,33px);line-height:1.38;font-weight:800;letter-spacing:.2px;}
.section-sub{margin-top:14px;font-size:15.5px;color:var(--muted);line-height:1.9;}

/* ---------- stat strip ---------- */
.stat-grid{
 display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
}
.stat-card{
 padding:24px 22px;border-radius:var(--radius);
 background:var(--panel);border:1px solid var(--line);
 box-shadow:var(--shadow-soft);
 transition:transform .25s,border-color .25s,background .25s;
}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(255,180,0,.45);background:var(--panel-strong);}
.stat-card b{
 display:block;font-size:32px;font-weight:900;line-height:1.1;
 background:linear-gradient(120deg,var(--gold-light),var(--gold));
 -webkit-background-clip:text;background-clip:text;color:transparent;
 font-variant-numeric:tabular-nums;
}
.stat-card span{display:block;margin-top:8px;font-size:14px;color:var(--muted);}
.stat-card em{display:block;font-style:normal;font-size:12.5px;color:#7f8bb3;margin-top:6px;}

/* ---------- cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:start;}
.info-card{
 padding:28px 26px;border-radius:var(--radius-lg);
 background:linear-gradient(165deg,rgba(255,255,255,.08),rgba(255,255,255,.035));
 border:1px solid var(--line);
 box-shadow:var(--shadow-soft);
 transition:transform .28s,border-color .28s,box-shadow .28s;
}
.info-card:hover{transform:translateY(-6px);border-color:rgba(56,225,212,.42);box-shadow:0 22px 50px rgba(4,8,24,.65);}
.info-card.is-lift{margin-top:30px;}
.card-index{
 display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;
 font-size:14px;font-weight:800;color:#061024;margin-bottom:16px;
 background:linear-gradient(135deg,var(--cyan),#8ff3ea);
 box-shadow:0 10px 24px rgba(56,225,212,.28);
}
.info-card h3{font-size:18px;font-weight:800;line-height:1.5;}
.info-card p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.85;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{
 display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;
 font-size:12px;color:#cfd7f5;background:rgba(255,255,255,.07);
 border:1px solid var(--line-soft);
}
.tag--gold{color:#ffe6a6;border-color:rgba(255,180,0,.42);background:rgba(255,180,0,.12);}

/* ---------- terms ---------- */
.term-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px 22px;}
.term-item{
 display:flex;gap:14px;padding:18px 20px;border-radius:var(--radius);
 background:rgba(255,255,255,.045);border:1px solid var(--line-soft);
 transition:border-color .22s,background .22s;
}
.term-item:hover{border-color:rgba(255,180,0,.42);background:rgba(255,180,0,.06);}
.term-name{
 flex:0 0 92px;font-size:14.5px;font-weight:700;color:var(--gold-light);
}
.term-desc{font-size:14px;color:#b9c3e4;line-height:1.8;}

/* ---------- timeline ---------- */
.timeline{position:relative;display:grid;gap:20px;padding-left:26px;}
.timeline::before{
 content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;
 background:linear-gradient(180deg,var(--cyan),rgba(255,180,0,.55),rgba(107,92,255,0));
}
.timeline li{position:relative;padding:22px 24px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line);transition:transform .25s,border-color .25s;}
.timeline li::before{
 content:"";position:absolute;left:-26px;top:30px;width:14px;height:14px;border-radius:50%;
 background:var(--bg);border:2px solid var(--cyan);box-shadow:0 0 14px rgba(56,225,212,.7);
}
.timeline li:hover{transform:translateX(4px);border-color:rgba(255,180,0,.45);}
.timeline h3{font-size:17px;font-weight:800;display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.timeline h3 span{
 font-size:12px;font-weight:600;color:var(--cyan);padding:3px 10px;border-radius:999px;
 border:1px solid rgba(56,225,212,.34);background:rgba(56,225,212,.1);
}
.timeline p{margin-top:9px;font-size:14.5px;color:var(--muted);line-height:1.85;}

/* ---------- compare ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.compare-col{
 padding:28px 26px;border-radius:var(--radius-lg);border:1px solid var(--line);
 background:linear-gradient(165deg,rgba(255,255,255,.07),rgba(255,255,255,.03));
}
.compare-col.is-good{border-color:rgba(56,225,212,.34);}
.compare-col.is-bad{border-color:rgba(255,138,0,.32);}
.compare-col h3{font-size:17px;font-weight:800;display:flex;align-items:center;gap:10px;}
.compare-col h3 i{
 width:26px;height:26px;border-radius:8px;display:grid;place-items:center;font-style:normal;
 font-size:13px;font-weight:900;
}
.is-good h3 i{background:rgba(56,225,212,.16);color:var(--cyan);}
.is-bad h3 i{background:rgba(255,138,0,.16);color:#ffb575;}
.compare-list{margin-top:16px;display:grid;gap:11px;}
.compare-list li{
 position:relative;padding-left:20px;font-size:14.5px;color:#b9c3e4;line-height:1.8;
}
.compare-list li::before{
 content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:3px;
}
.is-good .compare-list li::before{background:var(--cyan);box-shadow:0 0 10px rgba(56,225,212,.6);}
.is-bad .compare-list li::before{background:rgba(255,138,0,.85);}

/* ---------- feature split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center;}
.split-media{
 border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
 box-shadow:var(--shadow);position:relative;
}
.split-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s;}
.split-media:hover img{transform:scale(1.04);}
.split-media figcaption{
 position:absolute;left:0;right:0;bottom:0;padding:18px 20px;font-size:13px;color:#dbe3ff;
 background:linear-gradient(180deg,transparent,rgba(4,8,24,.92));
}
.check-list{display:grid;gap:14px;margin-top:22px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:#c6cdec;line-height:1.8;}
.check-list i{
 flex:0 0 22px;height:22px;border-radius:7px;display:grid;place-items:center;
 font-style:normal;font-size:12px;font-weight:900;color:#061024;margin-top:3px;
 background:linear-gradient(135deg,var(--gold-light),var(--gold));
}

/* ---------- updates ---------- */
.update-list{display:grid;gap:12px;}
.update-list li{
 display:flex;gap:18px;align-items:flex-start;padding:18px 22px;border-radius:var(--radius);
 background:var(--panel);border:1px solid var(--line-soft);
 transition:border-color .22s,background .22s,transform .22s;
}
.update-list li:hover{border-color:rgba(56,225,212,.4);background:var(--panel-strong);transform:translateX(4px);}
.update-date{
 flex:0 0 76px;font-size:13px;font-weight:700;color:var(--cyan);
 font-variant-numeric:tabular-nums;padding-top:2px;
}
.update-list p{font-size:14.5px;color:#b9c3e4;line-height:1.8;}
.update-list strong{color:#fff;font-weight:700;}

/* ---------- faq ---------- */
.faq-wrap{display:grid;gap:14px;max-width:900px;}
.faq-item{
 border-radius:var(--radius);border:1px solid var(--line);
 background:rgba(255,255,255,.045);overflow:hidden;
 transition:border-color .22s,background .22s;
}
.faq-item[open]{border-color:rgba(255,180,0,.45);background:rgba(255,180,0,.06);}
.faq-item summary{
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 padding:20px 24px;font-size:15.5px;font-weight:700;color:#eef2ff;
}
.faq-item summary::after{
 content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
 font-size:16px;font-weight:700;color:var(--gold-light);
 background:rgba(255,180,0,.14);border:1px solid rgba(255,180,0,.3);
 transition:transform .25s;
}
.faq-item[open] summary::after{content:"−";}
.faq-body{padding:0 24px 22px;font-size:14.5px;color:var(--muted);line-height:1.9;}

/* ---------- cta / form ---------- */
.cta-section{padding:82px 0 92px;background:radial-gradient(circle at 82% 8%,rgba(255,180,0,.15),transparent 55%),var(--bg-deep);border-top:1px solid var(--line-soft);}
.cta-card{
 display:grid;grid-template-columns:1.1fr .9fr;gap:44px;
 padding:44px;border-radius:24px;
 background:linear-gradient(150deg,rgba(107,92,255,.2),rgba(255,255,255,.05) 45%,rgba(56,225,212,.12));
 border:1px solid rgba(255,255,255,.16);
 box-shadow:var(--shadow);
}
.cta-points{display:grid;gap:10px;margin-top:20px;}
.cta-points li{position:relative;padding-left:20px;font-size:14.5px;color:#c6cdec;}
.cta-points li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:var(--gold);box-shadow:0 0 10px rgba(255,180,0,.7);}
.signup-form{display:grid;gap:8px;align-content:start;background:rgba(6,10,26,.5);padding:26px;border-radius:var(--radius-lg);border:1px solid var(--line);}
.signup-form label{font-size:13px;color:#c6cdec;margin-top:6px;}
.signup-form input{
 width:100%;padding:13px 16px;border-radius:12px;border:1px solid var(--line);
 background:rgba(255,255,255,.06);color:var(--text);font-size:14.5px;
 transition:border-color .22s,box-shadow .22s,background .22s;
}
.signup-form input::placeholder{color:#7f8bb3;}
.signup-form input:focus{
 outline:none;border-color:rgba(255,180,0,.7);
 box-shadow:0 0 0 3px rgba(255,180,0,.16);background:rgba(255,255,255,.09);
}
.signup-form .btn{margin-top:16px;}
.form-note{font-size:12.5px;color:#8b96bd;line-height:1.7;margin-top:10px;}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-deep);border-top:1px solid var(--line-soft);padding:60px 0 26px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;}
.footer-desc{margin-top:14px;font-size:14px;color:var(--muted);line-height:1.85;max-width:400px;}
.footer-col h3{font-size:14px;font-weight:700;color:#fff;letter-spacing:1px;margin-bottom:14px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:var(--muted);transition:color .2s,padding-left .2s;}
.footer-col a:hover{color:var(--gold-light);padding-left:4px;}
.footer-bottom{
 display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
 margin-top:40px;padding-top:20px;border-top:1px solid var(--line-soft);
 font-size:13px;color:#7f8bb3;
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:34px;}
 .stat-grid{grid-template-columns:repeat(2,1fr);}
 .card-grid{grid-template-columns:repeat(2,1fr);}
 .info-card.is-lift{margin-top:0;}
 .split{grid-template-columns:1fr;gap:30px;}
 .cta-card{grid-template-columns:1fr;gap:30px;padding:34px;}
 .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
 .mega-wrap{display:none;}
 .nav-toggle{display:flex;}
 .nav{
  position:absolute;top:calc(100% + 10px);left:0;right:0;margin-left:0;display:none;
  padding:12px;border-radius:16px;background:rgba(8,12,30,.985);
  border:1px solid var(--line);box-shadow:var(--shadow);
 }
 .nav-toggle-input:checked ~ .nav{display:block;}
 .nav-list{flex-direction:column;align-items:stretch;gap:4px;}
 .nav-link{padding:12px 16px;}
}
@media (max-width:768px){
 .page-hero{padding:58px 0 66px;}
 .section{padding:60px 0;}
 .term-grid{grid-template-columns:1fr;}
 .compare-grid{grid-template-columns:1fr;}
 .card-grid{grid-template-columns:1fr;}
 .stat-grid{grid-template-columns:repeat(2,1fr);}
 .footer-grid{grid-template-columns:1fr;}
 .timeline{padding-left:22px;}
}
@media (max-width:520px){
 .container{padding:0 16px;}
 .header-inner{min-height:64px;gap:12px;}
 .brand{font-size:16px;}
 .brand-mark{width:32px;height:32px;border-radius:9px;font-size:15px;}
 .hero-cta .btn{width:100%;}
 .stat-card b{font-size:26px;}
 .term-item{flex-direction:column;gap:6px;}
 .term-name{flex:none;}
 .update-list li{flex-direction:column;gap:6px;}
 .update-date{flex:none;}
 .faq-item summary{padding:16px 18px;font-size:15px;}
 .faq-body{padding:0 18px 18px;}
 .cta-card{padding:24px;}
 .signup-form{padding:20px;}
 .footer-bottom{flex-direction:column;align-items:flex-start;}
}