/* roulang page: index */
:root{
  --bg-0:#0C0B12;--bg-1:#14121D;--bg-2:#1C1A28;
  --line:#2C2940;--line-strong:#3B3757;
  --brand:#6C4CFF;--brand-light:#9A7BFF;
  --accent:#A8FF3E;--cyan:#22E0C8;--gold:#FFC53D;--warn:#FF5C7A;
  --text:#F4F2FF;--text-2:#ADA7C9;--text-3:#6E6890;
  --r-card:16px;--r-btn:12px;--r-pill:999px;--r-badge:8px;
  --sh-1:0 8px 24px rgba(4,3,10,.5);--sh-2:0 18px 48px rgba(4,3,10,.6);
  --font-cn:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC',sans-serif;
  --font-num:'Oxanium','Rajdhani','DIN Alternate','Bahnschrift',sans-serif;
  --sp-1:8px;--sp-2:16px;--sp-3:24px;--sp-4:32px;--sp-5:48px;--sp-6:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--bg-0);color:var(--text);
  font-family:var(--font-cn);font-size:16px;line-height:1.8;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body,button,input,select,textarea{font-family:var(--font-cn);}
a{color:inherit;text-decoration:none;}
a:hover{color:inherit;}
img{max-width:100%;display:block;border-radius:var(--r-card);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;letter-spacing:-.01em;color:var(--text);}
p{margin:0;}
button{font-family:inherit;border:0;background:none;cursor:pointer;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
.grid-container{max-width:1200px;padding-left:32px;padding-right:32px;}
.num{font-family:var(--font-num);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .18s ease,background .18s ease,border-color .18s ease,box-shadow .18s ease;
  white-space:nowrap;line-height:1;
}
.btn-primary{background:var(--accent);color:#111407;}
.btn-primary:hover{background:#BCFF6B;transform:translateY(-2px);box-shadow:0 10px 26px rgba(168,255,62,.22);color:#111407;}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text);}
.btn-ghost:hover{border-color:var(--brand-light);background:rgba(108,76,255,.14);transform:translateY(-2px);color:var(--text);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px;}
.btn-block{width:100%;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--brand-light);transition:color .18s ease,gap .18s ease;}
.text-link:hover{color:var(--accent);gap:10px;}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:16px;z-index:50;padding:0 16px;}
.nav-shell{
  max-width:1120px;margin:0 auto;height:64px;display:flex;align-items:center;gap:20px;
  padding:0 12px 0 18px;border:1px solid var(--line);border-radius:var(--r-pill);
  background:rgba(20,18,29,.72);
  -webkit-backdrop-filter:blur(14px) saturate(140%);backdrop-filter:blur(14px) saturate(140%);
  transition:box-shadow .18s ease,border-color .18s ease,background .18s ease;
}
.site-header.is-scrolled .nav-shell{box-shadow:var(--sh-1);border-color:var(--line-strong);background:rgba(20,18,29,.92);}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  font-family:var(--font-num);font-weight:700;font-size:17px;color:#fff;
  background:linear-gradient(140deg,var(--brand),#3E2AA8);
  border:1px solid rgba(154,123,255,.55);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.18);
}
.brand-text{font-size:16px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:2px;flex:1;margin-left:4px;}
.nav-link{
  padding:9px 14px;border-radius:var(--r-pill);font-size:14px;color:var(--text-2);
  transition:color .18s ease,background .18s ease;white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:var(--bg-2);}
.nav-link.is-active{background:var(--bg-2);color:var(--accent);box-shadow:inset 0 0 0 1px var(--line);}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line-strong);
  align-items:center;justify-content:center;color:var(--text);
}
.nav-toggle span{display:block;width:16px;height:2px;background:currentColor;border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:'';position:absolute;left:0;width:16px;height:2px;background:currentColor;border-radius:2px;}
.nav-toggle span::before{top:-5px;}
.nav-toggle span::after{top:5px;}

.drawer{
  position:fixed;inset:0;z-index:60;padding:96px 24px 32px;
  background:rgba(12,11,18,.98);display:flex;flex-direction:column;
  transform:translateY(-100%);transition:transform .3s ease;
}
.drawer.is-open{transform:translateY(0);}
.drawer-close{position:absolute;top:24px;right:24px;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);color:var(--text);font-size:18px;display:grid;place-items:center;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 4px;font-size:16px;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.drawer-link.is-active{color:var(--accent);}
.drawer-cta{margin-top:auto;padding-top:24px;}
body.drawer-open{overflow:hidden;}

/* ---------- Hero ---------- */
.hero{position:relative;padding:104px 0 92px;overflow:hidden;}
.hero::before{
  content:'';position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.42;
}
.hero::after{
  content:'';position:absolute;inset:0;
  background:
    radial-gradient(920px 520px at 78% 14%,rgba(108,76,255,.36),transparent 62%),
    radial-gradient(600px 420px at 8% 90%,rgba(34,224,200,.12),transparent 65%),
    linear-gradient(180deg,rgba(12,11,18,.74) 0%,rgba(12,11,18,.93) 62%,var(--bg-0) 100%);
}
.hero-inner{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:48px;align-items:center;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(34,224,200,.35);background:rgba(34,224,200,.08);
  color:var(--cyan);font-size:12.5px;letter-spacing:.04em;margin-bottom:22px;
}
.hero-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:block;box-shadow:0 0 10px var(--accent);font-style:normal;}
.hero h1{font-size:clamp(32px,5vw,54px);line-height:1.16;letter-spacing:-.015em;margin:0 0 20px;}
.hero h1 em{font-style:normal;color:var(--accent);}
.hero-sub{font-size:17px;line-height:1.75;color:var(--text-2);max-width:560px;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:44px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;}
.hero-stats li{
  display:flex;align-items:baseline;gap:8px;padding:10px 16px;border-radius:12px;
  border:1px solid var(--line);background:rgba(28,26,40,.6);
}
.hero-stats strong{font-family:var(--font-num);font-size:19px;color:var(--accent);letter-spacing:.02em;}
.hero-stats span{font-size:13px;color:var(--text-2);}

.hero-visual{position:relative;}
.hero-shot{
  border-radius:20px;overflow:hidden;border:1px solid var(--line-strong);
  box-shadow:var(--sh-2);background:var(--bg-1);
}
.hero-shot img{border-radius:0;width:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-float{
  position:absolute;left:-18px;bottom:-22px;padding:16px 20px;border-radius:16px;
  background:var(--bg-1);border:1px solid var(--line-strong);box-shadow:var(--sh-1);
  display:flex;align-items:baseline;gap:8px;
}
.hero-float .float-label{font-size:12px;color:var(--text-3);letter-spacing:.08em;display:block;margin-right:4px;}
.hero-float .float-num{font-family:var(--font-num);font-size:28px;color:var(--gold);line-height:1;}
.hero-float .float-unit{font-size:13px;color:var(--text-2);}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;position:relative;}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--font-num);
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);margin-bottom:12px;
}
.eyebrow::before{content:'';width:18px;height:2px;border-radius:2px;background:var(--accent);display:block;}
.section-title{font-size:clamp(24px,3vw,32px);line-height:1.3;margin:0 0 14px;}
.section-desc{font-size:15.5px;color:var(--text-2);max-width:620px;}
.dot-grid::after{
  content:'';position:absolute;inset:0;pointer-events:none;opacity:.28;
  background-image:radial-gradient(rgba(154,123,255,.28) 1px,transparent 1px);
  background-size:22px 22px;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 72%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.6),transparent 72%);
}
.section > .grid-container{position:relative;z-index:2;}

/* ---------- 卖点区 ---------- */
.sellout-aside .sticky-box{position:sticky;top:104px;padding-right:24px;}
.feature-list{display:flex;flex-direction:column;gap:16px;}
.feature-item{
  display:flex;gap:20px;padding:24px;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--bg-1);transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
  position:relative;
}
.feature-item::before{
  content:'';position:absolute;left:0;top:16px;bottom:16px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand-light),transparent);opacity:0;transition:opacity .18s ease;
}
.feature-item:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--sh-1);}
.feature-item:hover::before{opacity:1;}
.feature-item:nth-child(even){margin-left:36px;}
.feature-num{
  font-family:var(--font-num);font-size:30px;font-weight:700;line-height:1.05;min-width:50px;
  color:transparent;-webkit-text-stroke:1px var(--brand-light);letter-spacing:.02em;
}
.feature-item h3{font-size:19px;margin-bottom:8px;}
.feature-item p{font-size:15px;color:var(--text-2);line-height:1.75;}

/* ---------- 演示区 ---------- */
.demo-grid{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:44px;align-items:center;}
.demo-steps{display:flex;flex-direction:column;gap:22px;margin-top:24px;}
.demo-step{display:flex;gap:16px;align-items:flex-start;}
.demo-step .step-idx{
  width:34px;height:34px;flex-shrink:0;border-radius:10px;display:grid;place-items:center;
  font-family:var(--font-num);font-size:15px;font-weight:700;
  background:rgba(108,76,255,.16);border:1px solid rgba(154,123,255,.4);color:var(--brand-light);
}
.demo-step h3{font-size:17px;margin-bottom:6px;}
.demo-step p{font-size:14.5px;color:var(--text-2);line-height:1.7;}
.demo-shot{
  border-radius:20px;overflow:hidden;border:1px solid var(--line-strong);
  background:var(--bg-1);box-shadow:var(--sh-1);position:relative;
}
.demo-shot img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.demo-tag{
  position:absolute;top:16px;left:16px;padding:6px 12px;border-radius:var(--r-badge);
  font-size:12px;font-family:var(--font-num);letter-spacing:.06em;
  background:rgba(12,11,18,.78);border:1px solid var(--line-strong);color:var(--cyan);
}

/* ---------- 证据区 ---------- */
.stat-bar{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:40px;}
.stat{
  padding:22px 20px;border:1px solid var(--line);border-radius:var(--r-card);
  background:linear-gradient(180deg,rgba(28,26,40,.9),rgba(20,18,29,.9));
  transition:transform .18s ease,border-color .18s ease;
}
.stat:hover{transform:translateY(-2px);border-color:var(--line-strong);}
.stat-num{font-family:var(--font-num);font-size:34px;font-weight:700;line-height:1;color:var(--text);display:block;margin-bottom:10px;letter-spacing:-.01em;}
.stat:nth-child(1) .stat-num{color:var(--accent);}
.stat:nth-child(2) .stat-num{color:var(--cyan);}
.stat:nth-child(3) .stat-num{color:var(--gold);}
.stat:nth-child(4) .stat-num{color:var(--brand-light);}
.stat-label{font-size:13.5px;color:var(--text-2);}
.proof-grid{align-items:stretch;}
.proof-card{
  height:100%;padding:24px;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--bg-1);display:flex;flex-direction:column;gap:16px;transition:transform .18s ease,border-color .18s ease;
}
.proof-card:hover{transform:translateY(-2px);border-color:var(--line-strong);}
.proof-card.is-major{padding:28px;}
.proof-card blockquote{margin:0;font-size:15.5px;line-height:1.8;color:var(--text-2);}
.proof-card.is-major blockquote{font-size:16.5px;color:var(--text);}
.proof-meta{display:flex;align-items:center;gap:10px;margin-top:auto;}
.proof-avatar{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;flex-shrink:0;
  font-family:var(--font-num);font-weight:700;font-size:14px;color:#0C0B12;
  background:linear-gradient(140deg,var(--cyan),#12A594);
}
.proof-card.is-major .proof-avatar{background:linear-gradient(140deg,var(--brand-light),var(--brand));color:#fff;}
.proof-name{font-size:14px;color:var(--text);}
.proof-role{font-size:12.5px;color:var(--text-3);}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px;}
.trust-badge{
  padding:8px 14px;border-radius:var(--r-badge);border:1px solid var(--line);
  background:var(--bg-2);font-size:12.5px;color:var(--text-2);
}

/* ---------- 入口对比 ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;align-items:stretch;}
.plan{
  position:relative;padding:28px 24px;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--bg-1);display:flex;flex-direction:column;gap:18px;
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.plan:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--sh-1);}
.plan.is-featured{
  border-color:rgba(168,255,62,.55);
  background:linear-gradient(180deg,rgba(168,255,62,.07),rgba(20,18,29,.96) 42%);
  box-shadow:0 0 0 1px rgba(168,255,62,.18),var(--sh-1);
}
.plan-flag{
  position:absolute;top:-12px;left:24px;padding:4px 12px;border-radius:var(--r-badge);
  background:var(--accent);color:#111407;font-size:12px;font-weight:700;
}
.plan-name{font-size:19px;}
.plan-value{font-size:14px;color:var(--text-2);line-height:1.7;}
.plan-list{display:flex;flex-direction:column;gap:11px;margin:2px 0 6px;}
.plan-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--text-2);line-height:1.65;}
.plan-list li::before{content:'';width:6px;height:6px;border-radius:2px;background:var(--accent);flex-shrink:0;margin-top:9px;}
.plan .btn{margin-top:auto;}
.table-wrap{margin-top:36px;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--bg-1);}
.cmp-table{width:100%;border-collapse:collapse;margin:0;font-size:14.5px;}
.cmp-table th,.cmp-table td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line);color:var(--text-2);}
.cmp-table thead th{background:var(--bg-2);color:var(--text);font-size:14px;font-weight:600;letter-spacing:.02em;}
.cmp-table tbody tr:last-child td{border-bottom:0;}
.cmp-table tbody tr:nth-child(even){background:rgba(28,26,40,.42);}
.cmp-table td:first-child{color:var(--text);font-weight:600;}

/* ---------- FAQ ---------- */
.faq-list{background:transparent;margin:0;padding:0;list-style:none;}
.faq-list .accordion-item{
  background:var(--bg-1);border:1px solid var(--line);border-left:3px solid var(--line);
  border-radius:var(--r-card);margin-bottom:12px;overflow:hidden;transition:border-color .18s ease;
}
.faq-list .accordion-item:hover{border-color:var(--line-strong);border-left-color:var(--line-strong);}
.faq-list .accordion-item.is-active{border-left-color:var(--accent);border-color:var(--line-strong);}
.faq-list .accordion-title{
  padding:20px 54px 20px 22px;font-size:17px;font-weight:600;color:var(--text);
  border:0;background:transparent;position:relative;line-height:1.6;
}
.faq-list .accordion-title:hover{color:var(--accent);}
.faq-list .accordion-title::before{content:'' !important;display:none !important;}
.faq-list .accordion-title::after{
  content:'';position:absolute;right:24px;top:50%;width:9px;height:9px;
  border-right:2px solid var(--text-3);border-bottom:2px solid var(--text-3);
  transform:translateY(-70%) rotate(45deg);transition:transform .2s ease,border-color .2s ease;
}
.faq-list .accordion-item.is-active .accordion-title::after{transform:translateY(-30%) rotate(-135deg);border-color:var(--accent);}
.faq-list .accordion-content{
  padding:0 22px 22px;border:0;background:transparent;color:var(--text-2);
  font-size:15px;line-height:1.8;
}

/* ---------- 最新信息 ---------- */
.news-feature{display:block;}
.news-card{
  display:flex;flex-direction:column;height:100%;border:1px solid var(--line);
  border-radius:var(--r-card);background:var(--bg-1);overflow:hidden;
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.news-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--sh-1);}
.news-media{overflow:hidden;background:var(--bg-2);}
.news-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform .3s ease;}
.news-card:hover .news-media img{transform:scale(1.03);}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-card--feature .news-body{padding:26px 26px 28px;gap:14px;}
.news-card--feature .news-media img{aspect-ratio:16/8;}
.news-card h3{font-size:18px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card--feature h3{font-size:23px;}
.news-card p{
  font-size:14.5px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:10px;margin-top:auto;font-size:12.5px;color:var(--text-3);}
.badge{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:var(--r-badge);
  font-size:12px;border:1px solid rgba(154,123,255,.4);background:rgba(154,123,255,.12);color:var(--brand-light);
}
.badge-cyan{border-color:rgba(34,224,200,.4);background:rgba(34,224,200,.1);color:var(--cyan);}
.news-side{display:flex;flex-direction:column;gap:16px;height:100%;}
.news-mini{
  display:flex;gap:14px;padding:14px;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--bg-1);transition:transform .18s ease,border-color .18s ease;
}
.news-mini:hover{transform:translateY(-2px);border-color:var(--line-strong);}
.news-mini .mini-media{width:104px;flex-shrink:0;border-radius:10px;overflow:hidden;}
.news-mini .mini-media img{width:100%;height:74px;object-fit:cover;border-radius:10px;}
.news-mini .mini-body{display:flex;flex-direction:column;gap:8px;min-width:0;}
.news-mini h3{font-size:15px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-mini .news-meta{font-size:12px;}
.news-empty{
  padding:56px 24px;border:1px dashed var(--line-strong);border-radius:var(--r-card);
  background:var(--bg-1);text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px;
}
.news-empty img{width:180px;aspect-ratio:16/10;object-fit:cover;opacity:.7;}
.news-empty p{font-size:15px;color:var(--text-2);}

/* ---------- 底部 CTA ---------- */
.cta-band{position:relative;padding:88px 0;overflow:hidden;border-top:1px solid var(--line);}
.cta-band::before{
  content:'';position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.3;
}
.cta-band::after{
  content:'';position:absolute;inset:0;
  background:radial-gradient(700px 380px at 50% 40%,rgba(108,76,255,.32),transparent 70%),
             linear-gradient(180deg,rgba(12,11,18,.82),rgba(12,11,18,.95));
}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:720px;margin:0 auto;}
.cta-inner h2{font-size:clamp(24px,3.4vw,34px);margin-bottom:16px;}
.cta-inner p{font-size:16px;color:var(--text-2);margin-bottom:32px;}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;}
.cta-frame{
  position:absolute;inset:24px;border:1px solid rgba(168,255,62,.22);border-radius:24px;
  pointer-events:none;
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:32px;height:32px;font-size:16px;}
.footer-about{font-size:14px;color:var(--text-2);line-height:1.75;max-width:300px;}
.footer-title{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px;letter-spacing:.02em;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:var(--text-2);transition:color .18s ease,padding-left .18s ease;}
.footer-links a:hover{color:var(--accent);padding-left:4px;}
.footer-note{font-size:13.5px;color:var(--text-3);line-height:1.8;}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:22px;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-3);
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:40;
  opacity:0;pointer-events:none;transform:translateY(12px);
  transition:opacity .25s ease,transform .25s ease;
}
.float-cta.is-visible{opacity:1;pointer-events:auto;transform:translateY(0);}
.float-cta .btn{box-shadow:0 12px 30px rgba(168,255,62,.22);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .hero-grid{gap:36px;}
}
@media screen and (max-width:1023px){
  .site-header{top:12px;}
  .nav-shell{height:58px;padding:0 10px 0 14px;gap:12px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn{display:none;}
  .hero{padding:88px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-sub{max-width:none;}
  .hero-float{left:auto;right:16px;bottom:-18px;}
  .demo-grid{grid-template-columns:1fr;gap:32px;}
  .stat-bar{grid-template-columns:repeat(2,minmax(0,1fr));}
  .plan-grid{grid-template-columns:1fr;gap:18px;}
  .plan.is-featured{box-shadow:0 0 0 1px rgba(168,255,62,.16);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .feature-item:nth-child(even){margin-left:0;}
  .sellout-aside .sticky-box{position:static;padding-right:0;margin-bottom:28px;}
}
@media screen and (max-width:767px){
  .grid-container{padding-left:20px;padding-right:20px;}
  .section{padding:60px 0;}
  .cta-band{padding:64px 0;}
  .section-head{margin-bottom:28px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{flex:1 1 auto;}
  .hero-stats{gap:10px;}
  .hero-stats li{padding:8px 13px;}
  .hero-stats strong{font-size:17px;}
  .cmp-table{min-width:560px;}
  .table-wrap{overflow-x:auto;}
  .news-mini .mini-media{width:88px;}
  .news-mini .mini-media img{height:64px;}
  .float-cta{left:16px;right:16px;bottom:calc(16px + env(safe-area-inset-bottom));}
  .float-cta .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media screen and (max-width:519px){
  .brand-text{font-size:14.5px;}
  .feature-item{flex-direction:column;gap:12px;padding:20px;}
  .feature-num{font-size:24px;min-width:0;}
  .hero-float{padding:12px 16px;}
  .hero-float .float-num{font-size:23px;}
  .stat-num{font-size:28px;}
}

/* roulang page: article */
:root{
  --bg-0:#0C0B12;
  --bg-1:#14121D;
  --bg-2:#1C1A28;
  --line:#2C2940;
  --line-strong:#3B3757;
  --brand:#6C4CFF;
  --brand-light:#9A7BFF;
  --accent:#A8FF3E;
  --cyan:#22E0C8;
  --gold:#FFC53D;
  --danger:#FF5C7A;
  --text:#F4F2FF;
  --text-2:#ADA7C9;
  --text-3:#6E6890;
  --radius-card:16px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow-1:0 8px 24px rgba(4,3,10,.5);
  --shadow-2:0 18px 48px rgba(4,3,10,.6);
  --font-cn:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC',sans-serif;
  --font-num:'Oxanium','Rajdhani','DIN Alternate','Bahnschrift',var(--font-cn);
  --ease:.18s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;letter-spacing:-.01em;color:var(--text)}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
input,textarea,select{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
::selection{background:rgba(168,255,62,.28);color:#fff}

.grid-container{max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px;width:100%}
@media screen and (max-width:640px){
  .grid-container{padding-left:20px;padding-right:20px}
}

/* ---------- 顶部悬浮胶囊导航 ---------- */
.site-header{
  position:sticky;
  top:16px;
  z-index:50;
  padding:0 20px;
}
.nav-shell{
  max-width:1120px;
  margin:0 auto;
  min-height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:8px 10px 8px 18px;
  border-radius:var(--radius-pill);
  background:rgba(20,18,29,.72);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);
  box-shadow:0 4px 18px rgba(4,3,10,.35);
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled .nav-shell{
  border-color:var(--line-strong);
  box-shadow:var(--shadow-2);
  background:rgba(16,14,24,.86);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;
  display:flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:linear-gradient(150deg,var(--brand),#3E2BB8);
  color:var(--accent);
  font-family:var(--font-num);
  font-size:19px;font-weight:700;
  border:1px solid rgba(168,255,62,.35);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.18);
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-link{
  display:inline-flex;align-items:center;height:38px;
  padding:0 15px;border-radius:var(--radius-pill);
  font-size:14.5px;color:var(--text-2);
  transition:color var(--ease),background var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.is-active{background:var(--bg-2);color:var(--accent);font-weight:600}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:var(--radius-pill);
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.03);
  position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  width:17px;height:2px;border-radius:2px;background:var(--text);
  transition:var(--ease);
}
.nav-toggle span{top:calc(50% - 1px)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.is-open span{background:transparent}
.nav-toggle.is-open span::before{top:0;transform:translateX(-50%) rotate(45deg)}
.nav-toggle.is-open span::after{top:0;transform:translateX(-50%) rotate(-45deg)}

.nav-drawer{
  position:fixed;left:0;right:0;top:0;
  z-index:49;
  padding:96px 20px 24px;
  background:rgba(12,11,18,.98);
  border-bottom:1px solid var(--line);
  display:flex;flex-direction:column;gap:6px;
  transform:translateY(-102%);
  transition:transform .26s ease;
}
.nav-drawer.is-open{transform:translateY(0)}
.drawer-link{
  display:flex;align-items:center;height:48px;padding:0 14px;
  border-radius:12px;font-size:16px;color:var(--text-2);
  border:1px solid transparent;
}
.drawer-link:hover,.drawer-link.is-active{
  background:var(--bg-2);color:var(--accent);border-color:var(--line);
}
.drawer-cta{margin-top:8px;width:100%}
@media screen and (max-width:1023px){
  .nav-links{display:none}
  .nav-toggle{display:block}
  .brand-text{font-size:16px}
}
@media screen and (min-width:1024px){
  .nav-drawer{display:none}
}
@media screen and (max-width:480px){
  .site-header{padding:0 12px;top:12px}
  .nav-actions .btn{display:none}
  .brand-text{max-width:150px;overflow:hidden;text-overflow:ellipsis}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;
  transition:transform var(--ease),background var(--ease),border-color var(--ease),box-shadow var(--ease),color var(--ease);
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#0A0910}
.btn-primary:hover{background:#BCFF66;transform:translateY(-2px);box-shadow:0 12px 28px rgba(168,255,62,.22)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{border-color:var(--brand-light);color:#fff;transform:translateY(-2px);background:rgba(108,76,255,.10)}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px}
.btn-lg{height:50px;padding:0 28px;font-size:16px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--accent);font-size:14.5px;font-weight:600;
  border-bottom:1px solid transparent;transition:border-color var(--ease),gap var(--ease);
}
.link-arrow:hover{border-color:rgba(168,255,62,.6);gap:10px}

/* ---------- 通用标签 / 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 10px;border-radius:8px;
  font-size:12px;line-height:1;letter-spacing:.02em;
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.02);
  color:var(--text-2);
}
.badge-brand{border-color:rgba(154,123,255,.5);color:var(--brand-light);background:rgba(108,76,255,.12)}
.badge-accent{border-color:rgba(168,255,62,.45);color:var(--accent);background:rgba(168,255,62,.08)}
.badge-cyan{border-color:rgba(34,224,200,.4);color:var(--cyan);background:rgba(34,224,200,.08)}
.badge-gold{border-color:rgba(255,197,61,.4);color:var(--gold);background:rgba(255,197,61,.08)}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;
  margin-top:26px;
  padding:52px 0 40px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.28;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(720px 320px at 18% 0%,rgba(108,76,255,.30),transparent 62%),
    linear-gradient(180deg,rgba(12,11,18,.55),rgba(12,11,18,.96) 78%,var(--bg-0));
  background-color:rgba(12,11,18,.6);
}
.article-hero .grid-container{position:relative;z-index:2}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:18px;
}
.crumbs a{color:var(--text-2);transition:color var(--ease)}
.crumbs a:hover{color:var(--accent)}
.crumbs .sep{color:var(--line-strong)}
.crumbs .current{color:var(--accent);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero h1{
  font-size:clamp(28px,4.2vw,44px);
  line-height:1.24;max-width:880px;margin:0 0 18px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;
  font-size:13.5px;color:var(--text-3);
}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--line-strong)}
@media screen and (max-width:640px){
  .article-hero{padding:36px 0 28px}
  .article-hero h1{font-size:26px}
}

/* ---------- 正文布局 ---------- */
.section{padding:64px 0}
@media screen and (max-width:640px){.section{padding:48px 0}}
.article-layout{padding-top:56px;padding-bottom:24px}
.article-main{min-width:0}
.article-side{min-width:0}

.panel{
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
  position:relative;
}
.panel-pad{padding:24px}
.panel-title{
  display:flex;align-items:center;gap:10px;
  font-size:17px;margin-bottom:14px;
}
.panel-title::before{
  content:"";width:3px;height:16px;border-radius:2px;background:var(--accent);
}

.article-body{
  font-size:17px;line-height:1.9;color:#D6D2EA;
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 1.15em;text-align:left}
.article-body h2{
  font-size:clamp(21px,2.4vw,25px);
  color:var(--text);
  margin:44px 0 16px;
  padding-left:14px;
  border-left:3px solid var(--accent);
  line-height:1.4;
}
.article-body h3{font-size:19px;color:var(--text);margin:30px 0 12px}
.article-body h4{font-size:17px;color:var(--text-2);margin:24px 0 10px}
.article-body ul,.article-body ol{margin:0 0 1.15em;padding-left:4px}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.55em}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.72em;
  width:7px;height:7px;border-radius:2px;background:var(--accent);
}
.article-body ol{list-style:decimal;padding-left:22px}
.article-body ol li{margin-bottom:.55em;padding-left:4px}
.article-body blockquote{
  margin:26px 0;padding:16px 20px;
  background:var(--bg-2);
  border-left:3px solid var(--brand);
  border-radius:0 12px 12px 0;
  color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{
  width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body thead th{background:var(--bg-2);color:var(--text);font-weight:600}
.article-body th,.article-body td{
  border:1px solid var(--line);padding:12px 14px;text-align:left;vertical-align:top;
}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.018)}
.article-body img{border-radius:12px;margin:26px auto;height:auto}
.article-body figure{margin:26px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body a{color:var(--accent);border-bottom:1px solid rgba(168,255,62,.35);transition:border-color var(--ease)}
.article-body a:hover{border-color:var(--accent)}
.article-body code{
  font-family:var(--font-num);font-size:14px;
  background:var(--bg-2);border:1px solid var(--line);
  padding:2px 6px;border-radius:6px;color:var(--cyan);
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0}
@media screen and (max-width:640px){
  .article-body{font-size:16px;line-height:1.85}
}

/* ---------- 侧栏 ---------- */
.side-sticky{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px}
.side-list li + li{margin-top:10px}
.side-link{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:13px 14px;border-radius:12px;
  background:var(--bg-2);border:1px solid var(--line);
  font-size:14.5px;color:var(--text-2);
  transition:transform var(--ease),border-color var(--ease),color var(--ease);
}
.side-link:hover{transform:translateY(-2px);border-color:var(--brand-light);color:#fff}
.side-link span:last-child{color:var(--accent);font-size:13px}
.check-list li{
  position:relative;padding-left:22px;font-size:14.5px;color:var(--text-2);
}
.check-list li + li{margin-top:10px}
.check-list li::before{
  content:"";position:absolute;left:0;top:.65em;
  width:12px;height:12px;border-radius:4px;
  border:1px solid rgba(34,224,200,.55);background:rgba(34,224,200,.12);
}
@media screen and (max-width:1023px){
  .side-sticky{position:static;margin-top:34px}
}

/* ---------- 空态 ---------- */
.empty-state{
  text-align:center;padding:56px 24px;
  border:1px dashed var(--line-strong);
  border-radius:var(--radius-card);
  background:var(--bg-1);
}
.empty-state .empty-num{
  font-family:var(--font-num);font-size:46px;color:var(--brand-light);
  opacity:.55;line-height:1;margin-bottom:14px;
}
.empty-state h2{font-size:20px;margin-bottom:10px}
.empty-state p{color:var(--text-2);font-size:15px;max-width:460px;margin:0 auto 20px}

/* ---------- 相关推荐 ---------- */
.card-grid{display:grid;gap:24px;grid-template-columns:repeat(3,minmax(0,1fr))}
@media screen and (max-width:1023px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media screen and (max-width:640px){.card-grid{grid-template-columns:1fr}}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-1)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.card-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .4s ease;
}
.card:hover .card-media img{transform:scale(1.04)}
.card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,11,18,0) 40%,rgba(12,11,18,.75));
}
.card-media .badge{position:absolute;left:14px;top:14px;z-index:2;background:rgba(12,11,18,.7)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:18px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-text{
  font-size:14.5px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--text-3);
}

/* ---------- 板块标题 ---------- */
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:28px;
}
.sec-head h2{font-size:clamp(24px,3vw,32px)}
.sec-head p{color:var(--text-2);font-size:15px;margin:8px 0 0;max-width:620px}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-num);font-size:12.5px;letter-spacing:.14em;
  color:var(--accent);text-transform:uppercase;margin-bottom:10px;
}
.sec-eyebrow::before{content:"";width:22px;height:1px;background:var(--accent)}

/* ---------- FAQ ---------- */
.rp-accordion{border:0;background:transparent;margin:0}
.rp-accordion .accordion-item{
  border:1px solid var(--line);border-radius:14px;
  background:var(--bg-1);margin-bottom:14px;overflow:hidden;
  transition:border-color var(--ease);
}
.rp-accordion .accordion-item.is-active{border-color:var(--line-strong)}
.rp-accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;border:0;
  font-size:17.5px;font-weight:600;color:var(--text);
  background:transparent;position:relative;
  transition:color var(--ease),background var(--ease);
}
.rp-accordion .accordion-title::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--accent);border-radius:0 3px 3px 0;
  opacity:0;transition:opacity var(--ease);
}
.rp-accordion .accordion-item.is-active .accordion-title::before{opacity:1}
.rp-accordion .accordion-title::after{
  content:"";flex:0 0 12px;width:12px;height:12px;
  border-right:2px solid var(--text-3);border-bottom:2px solid var(--text-3);
  transform:rotate(45deg);transition:transform var(--ease),border-color var(--ease);
  margin-left:auto;
}
.rp-accordion .accordion-item.is-active .accordion-title::after{
  transform:rotate(-135deg);border-color:var(--accent);
}
.rp-accordion .accordion-title:hover{background:rgba(255,255,255,.025)}
.rp-accordion .accordion-content{
  padding:0 22px 20px;border:0;background:transparent;
  color:var(--text-2);font-size:15.5px;line-height:1.8;
}
.rp-accordion .accordion-content p:last-child{margin-bottom:0}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  padding:56px 0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  overflow:hidden;
  background:linear-gradient(150deg,#161328,#0C0B12 70%);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(154,123,255,.16) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.7;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;
  width:280px;height:280px;border-radius:50%;
  border:1px solid rgba(168,255,62,.28);
  box-shadow:0 0 90px rgba(108,76,255,.35) inset;
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(22px,2.8vw,30px);margin-bottom:8px}
.cta-inner p{color:var(--text-2);font-size:15px;margin:0;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
@media screen and (max-width:640px){
  .cta-band{padding:44px 0}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:0;
  padding:54px 0 26px;
  border-top:1px solid var(--line);
  background:var(--bg-0);
}
.footer-grid{
  display:grid;gap:34px;
  grid-template-columns:1.4fr 1fr 1fr 1.3fr;
  padding-bottom:34px;
}
@media screen and (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr}}
@media screen and (max-width:640px){.footer-grid{grid-template-columns:1fr;gap:26px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-about{font-size:14px;color:var(--text-3);line-height:1.8;max-width:320px;margin:0}
.footer-title{font-size:14.5px;color:var(--text);margin-bottom:14px;letter-spacing:.02em}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--text-2);transition:color var(--ease)}
.footer-links a:hover{color:var(--accent)}
.footer-note{font-size:13.5px;color:var(--text-3);line-height:1.8;margin:0}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding-top:20px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--text-3);
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:45;
  display:inline-flex;align-items:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--radius-pill);
  background:var(--accent);color:#0A0910;
  font-size:15px;font-weight:700;
  box-shadow:0 12px 30px rgba(4,3,10,.6);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease,background var(--ease);
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{background:#BCFF66;transform:translateY(-2px)}
@media screen and (max-width:640px){
  .float-cta{
    left:16px;right:16px;bottom:calc(16px + env(safe-area-inset-bottom));
    justify-content:center;
  }
}

/* roulang page: category1 */
:root{
  --bg-0:#0C0B12;
  --bg-1:#14121D;
  --bg-2:#1C1A28;
  --line:#2C2940;
  --line-strong:#3B3757;
  --brand:#6C4CFF;
  --brand-light:#9A7BFF;
  --accent:#A8FF3E;
  --cyan:#22E0C8;
  --gold:#FFC53D;
  --warn:#FF5C7A;
  --text:#F4F2FF;
  --text-2:#ADA7C9;
  --text-3:#6E6890;
  --r-card:16px;
  --r-btn:12px;
  --r-pill:999px;
  --r-img:16px;
  --sh-1:0 8px 24px rgba(4,3,10,.5);
  --sh-2:0 18px 48px rgba(4,3,10,.6);
  --font-cn:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC',sans-serif;
  --font-num:'Oxanium','Rajdhani','DIN Alternate','Bahnschrift','PingFang SC',sans-serif;
  --sec-pad:96px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:118px;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden;}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
a:hover{color:var(--brand-light);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.28;letter-spacing:-.01em;color:var(--text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

.grid-container{max-width:1200px;padding-left:32px;padding-right:32px;}
.grid-x.gutter{margin-left:-12px;margin-right:-12px;}
.grid-x.gutter>.cell{padding-left:12px;padding-right:12px;}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:16px;z-index:50;padding:0 20px;}
.nav-shell{
  max-width:1120px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:20px;
  padding:0 14px 0 20px;
  background:rgba(20,18,29,.72);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  transition:box-shadow .18s ease,border-color .18s ease;
}
.site-header.is-scrolled .nav-shell{border-color:var(--line-strong);box-shadow:var(--sh-1);}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--font-num);font-size:18px;font-weight:700;color:#0C0B12;
  background:linear-gradient(140deg,var(--accent),var(--cyan));
  box-shadow:0 0 0 1px rgba(168,255,62,.35),0 6px 16px rgba(168,255,62,.16);
}
.brand-text{font-size:16px;font-weight:700;letter-spacing:.01em;color:var(--text);white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center;}
.nav-link{
  display:inline-flex;align-items:center;height:38px;padding:0 14px;
  border-radius:var(--r-pill);font-size:15px;color:var(--text-2);
  transition:background-color .18s ease,color .18s ease;
}
.nav-link:hover{color:var(--text);background:var(--bg-2);}
.nav-link.is-active{background:var(--bg-2);color:var(--accent);box-shadow:inset 0 0 0 1px var(--line-strong);}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-pill);
  background:var(--bg-2);border:1px solid var(--line-strong);cursor:pointer;
  align-items:center;justify-content:center;padding:0;
}
.nav-toggle span{position:relative;width:18px;height:2px;background:var(--text);border-radius:2px;display:block;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease,background-color .18s ease,color .18s ease;
}
.btn-primary{background:var(--accent);color:#10130A;box-shadow:0 4px 14px rgba(168,255,62,.18);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(168,255,62,.28);color:#10130A;}
.btn-primary:active{transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text);}
.btn-ghost:hover{border-color:var(--brand-light);color:#fff;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(-1px);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px;}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--accent);}
.btn-link::after{content:"→";transition:transform .18s ease;}
.btn-link:hover{color:var(--accent);}
.btn-link:hover::after{transform:translateX(4px);}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-pad) 0;}
.section-head{margin-bottom:40px;max-width:720px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);font-family:var(--font-num);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--accent);opacity:.7;}
.section-title{font-size:clamp(24px,3vw,32px);}
.section-sub{margin-top:12px;font-size:16px;color:var(--text-2);max-width:640px;}

.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;
  border-radius:8px;font-size:12px;line-height:1;border:1px solid var(--line-strong);
  color:var(--text-2);background:var(--bg-2);
}
.badge-brand{color:var(--brand-light);border-color:rgba(154,123,255,.5);background:rgba(108,76,255,.12);}
.badge-cyan{color:var(--cyan);border-color:rgba(34,224,200,.42);background:rgba(34,224,200,.1);}
.badge-gold{color:var(--gold);border-color:rgba(255,197,61,.42);background:rgba(255,197,61,.1);}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;min-height:44vh;display:flex;align-items:center;
  padding:112px 0 64px;
  background-image:linear-gradient(180deg,rgba(12,11,18,.72) 0%,rgba(12,11,18,.9) 62%,var(--bg-0) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(244,242,255,.06) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;
}
.page-hero .grid-container{position:relative;z-index:2;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px;flex-wrap:wrap;}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--accent);}
.crumbs span.sep{opacity:.5;}
.crumbs .current{color:var(--accent);}
.page-hero h1{font-size:clamp(28px,4.4vw,48px);max-width:800px;margin-bottom:18px;}
.page-hero .lead{font-size:17px;color:var(--text-2);max-width:600px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;}
.hero-meta .meta-chip{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;
  border-radius:var(--r-pill);border:1px solid var(--line);background:rgba(28,26,40,.6);
  font-size:13px;color:var(--text-2);
}
.hero-meta .meta-chip b{color:var(--text);font-family:var(--font-num);font-weight:600;}

/* ---------- 锚点目录条 ---------- */
.anchor-wrap{position:sticky;top:96px;z-index:30;padding:14px 0;background:linear-gradient(180deg,rgba(12,11,18,.96),rgba(12,11,18,.82));}
.anchor-bar{
  display:flex;gap:10px;overflow-x:auto;padding:4px;
  scrollbar-width:none;
}
.anchor-bar::-webkit-scrollbar{display:none;}
.anchor-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;height:40px;padding:0 18px;
  border-radius:var(--r-pill);border:1px solid var(--line);
  background:var(--bg-1);color:var(--text-2);font-size:14px;white-space:nowrap;
}
.anchor-pill:hover{border-color:var(--brand-light);color:#fff;transform:translateY(-2px);}
.anchor-pill.is-active{background:rgba(168,255,62,.1);border-color:rgba(168,255,62,.5);color:var(--accent);}

/* ---------- 图文三段 ---------- */
.flow-list{display:flex;flex-direction:column;gap:72px;}
.flow-row{display:flex;flex-wrap:wrap;align-items:center;}
.flow-row.is-reverse{flex-direction:row-reverse;}
.flow-media{
  border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);
  background:var(--bg-1);box-shadow:var(--sh-1);
}
.flow-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease;}
.flow-media:hover img{transform:scale(1.03);}
.flow-text{padding:8px 8px 8px 0;}
.flow-row.is-reverse .flow-text{padding:8px 0 8px 8px;}
.flow-index{
  display:block;font-family:var(--font-num);font-size:56px;line-height:1;
  color:transparent;-webkit-text-stroke:1px var(--brand-light);opacity:.85;margin-bottom:14px;
}
.flow-text h3{font-size:22px;margin-bottom:14px;}
.flow-text p{color:var(--text-2);font-size:16px;margin-bottom:12px;}
.flow-points{display:flex;flex-direction:column;gap:8px;margin-top:16px;}
.flow-points li{
  position:relative;padding-left:20px;font-size:15px;color:var(--text-2);
}
.flow-points li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;
  background:var(--accent);opacity:.85;
}

/* ---------- 入口卡片 ---------- */
.entry-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.entry-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--sh-1);}
.entry-cover{position:relative;overflow:hidden;background:var(--bg-2);}
.entry-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.entry-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,11,18,0) 40%,rgba(12,11,18,.7) 100%);}
.entry-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.entry-tags{display:flex;align-items:center;gap:8px;margin-bottom:14px;flex-wrap:wrap;}
.entry-body h3{font-size:19px;margin-bottom:10px;}
.entry-body p{font-size:14.5px;color:var(--text-2);margin-bottom:18px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.entry-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:6px;}
.entry-foot .small-note{font-size:12px;color:var(--text-3);font-family:var(--font-num);}

/* ---------- 检查清单 ---------- */
.check-panel{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 26px;height:100%;position:relative;overflow:hidden;
}
.check-panel::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.14),transparent);
}
.check-panel h3{font-size:19px;margin-bottom:16px;display:flex;align-items:center;gap:10px;}
.check-panel h3 .dot{width:9px;height:9px;border-radius:3px;background:var(--accent);}
.check-list{display:flex;flex-direction:column;gap:14px;}
.check-list li{display:flex;gap:12px;font-size:15px;color:var(--text-2);line-height:1.7;}
.check-list li .idx{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(108,76,255,.16);border:1px solid rgba(154,123,255,.4);
  color:var(--brand-light);font-family:var(--font-num);font-size:12px;margin-top:3px;
}

/* ---------- 数据条 ---------- */
.stats-strip{
  display:flex;flex-wrap:wrap;gap:24px;padding:26px 28px;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:56px;
}
.stat-item{flex:1 1 180px;min-width:150px;}
.stat-num{font-family:var(--font-num);font-size:32px;font-weight:700;color:var(--accent);line-height:1.1;}
.stat-num span{font-size:16px;color:var(--text-2);margin-left:4px;font-family:var(--font-cn);}
.stat-label{margin-top:6px;font-size:14px;color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;}
.accordion{border:none;background:transparent;}
.accordion .accordion-item{
  background:var(--bg-1);border:1px solid var(--line)!important;
  border-radius:var(--r-card);margin-bottom:14px;overflow:hidden;
  transition:border-color .18s ease;
}
.accordion .accordion-item:hover{border-color:var(--line-strong)!important;}
.accordion .accordion-title{
  position:relative;font-size:17.5px;font-weight:600;color:var(--text);
  padding:20px 56px 20px 24px;border:none;background:transparent;
  transition:color .18s ease;
}
.accordion .accordion-title:hover,.accordion .accordion-title:focus{background:transparent;color:var(--accent);}
.accordion .accordion-title::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;transition:background-color .18s ease;
}
.accordion .accordion-title::after{
  content:"";position:absolute;right:24px;top:50%;width:9px;height:9px;
  border-right:2px solid var(--text-2);border-bottom:2px solid var(--text-2);
  transform:translateY(-70%) rotate(45deg);transition:transform .2s ease,border-color .2s ease;
}
.accordion .accordion-item.is-active{border-color:rgba(168,255,62,.4)!important;}
.accordion .accordion-item.is-active .accordion-title{color:var(--accent);}
.accordion .accordion-item.is-active .accordion-title::before{background:var(--accent);}
.accordion .accordion-item.is-active .accordion-title::after{transform:translateY(-30%) rotate(-135deg);border-color:var(--accent);}
.accordion .accordion-content{
  border:none;background:transparent;color:var(--text-2);
  padding:0 24px 22px;font-size:15.5px;line-height:1.85;
}
.accordion .accordion-content p{color:var(--text-2);}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,rgba(108,76,255,.24),rgba(34,224,200,.1)),var(--bg-1);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:78px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(244,242,255,.07) 1px,transparent 1px);
  background-size:20px 20px;opacity:.6;
}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:660px;margin:0 auto;}
.cta-inner h2{font-size:clamp(24px,3.2vw,34px);margin-bottom:14px;}
.cta-inner p{color:var(--text-2);margin-bottom:28px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-0);padding:64px 0 28px;border-top:1px solid var(--line);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:32px;padding-bottom:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-about{font-size:14px;color:var(--text-2);max-width:320px;line-height:1.8;}
.footer-title{font-size:15px;margin-bottom:16px;color:var(--text);}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--text-2);}
.footer-links a:hover{color:var(--accent);}
.footer-note{font-size:14px;color:var(--text-2);line-height:1.8;}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:45;
  display:inline-flex;align-items:center;gap:8px;
  height:52px;padding:0 26px;border-radius:var(--r-pill);
  background:var(--accent);color:#10130A;font-weight:700;font-size:15px;
  box-shadow:0 12px 32px rgba(168,255,62,.26);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{color:#10130A;transform:translateY(-2px);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--sec-pad:88px;}
  .grid-container{padding-left:28px;padding-right:28px;}
}
@media (max-width:1023px){
  :root{--sec-pad:72px;}
  .grid-container{padding-left:20px;padding-right:20px;}
  .nav-shell{height:58px;padding:0 10px 0 14px;gap:10px;}
  .nav-actions .btn{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-links{
    position:fixed;left:0;right:0;top:0;bottom:0;z-index:60;
    flex-direction:column;justify-content:center;gap:6px;
    padding:88px 24px 48px;
    background:rgba(12,11,18,.97);
    -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
    transform:translateY(-100%);transition:transform .3s ease;
    overflow-y:auto;
  }
  .nav-links.is-open{transform:translateY(0);}
  .nav-link{width:100%;height:48px;justify-content:center;font-size:17px;border-radius:14px;}
  .anchor-wrap{top:88px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .flow-row,.flow-row.is-reverse{flex-direction:column;}
  .flow-text,.flow-row.is-reverse .flow-text{padding:24px 0 0;}
  .flow-media{width:100%;}
  .flow-list{gap:56px;}
}
@media (max-width:767px){
  :root{--sec-pad:58px;}
  body{font-size:15px;}
  .page-hero{padding:96px 0 48px;min-height:auto;}
  .page-hero h1{font-size:28px;}
  .page-hero .lead{font-size:16px;}
  .hero-actions{gap:12px;}
  .hero-actions .btn{width:100%;}
  .section-head{margin-bottom:28px;}
  .flow-index{font-size:44px;}
  .stats-strip{padding:20px;gap:18px;}
  .stat-item{flex:1 1 45%;}
  .check-panel{padding:22px 20px;}
  .accordion .accordion-title{font-size:16.5px;padding:18px 48px 18px 20px;}
  .accordion .accordion-content{padding:0 20px 20px;font-size:15px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;}
  .float-cta{
    left:16px;right:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));
    justify-content:center;height:50px;
  }
  .cta-band{padding:58px 0;}
  .cta-actions .btn{width:100%;}
}
@media (max-width:520px){
  .brand-text{font-size:15px;}
  .hero-meta{flex-direction:column;align-items:flex-start;}
  .hero-meta .meta-chip{width:100%;justify-content:flex-start;}
}

/* roulang page: category2 */
:root{
  --bg-0:#0C0B12;
  --bg-1:#14121D;
  --bg-2:#1C1A28;
  --line:#2C2940;
  --line-strong:#3B3757;
  --brand:#6C4CFF;
  --brand-light:#9A7BFF;
  --accent:#A8FF3E;
  --cyan:#22E0C8;
  --gold:#FFC53D;
  --danger:#FF5C7A;
  --text:#F4F2FF;
  --text-2:#ADA7C9;
  --text-3:#6E6890;
  --radius-card:16px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow-1:0 8px 24px rgba(4,3,10,.5);
  --shadow-2:0 18px 48px rgba(4,3,10,.6);
  --container:1200px;
  --font-cn:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC',sans-serif;
  --font-num:'Oxanium','Rajdhani','DIN Alternate','Bahnschrift',var(--font-cn);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;overflow-x:clip}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  overflow-x:clip;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-light);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease}
a:hover{color:var(--accent)}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{color:var(--text);font-weight:700;line-height:1.25;letter-spacing:-0.01em;margin:0}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
::selection{background:rgba(168,255,62,.28);color:#fff}

.grid-container{max-width:var(--container);margin:0 auto;padding-left:32px;padding-right:32px;width:100%}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;background:transparent;color:var(--text);
  transition:transform .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#0B1400;box-shadow:0 10px 26px rgba(168,255,62,.22)}
.btn-primary:hover{background:#B8FF60;color:#0B1400}
.btn-ghost{border-color:var(--line-strong);color:var(--text);background:rgba(28,26,40,.6)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand-light);font-weight:700;font-size:15px;height:auto;padding:0}
.btn-text:hover{color:var(--accent);transform:none}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:12px;z-index:60;padding:0 20px}
.nav-shell{
  max-width:1120px;margin:0 auto;height:64px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:0 12px 0 18px;border-radius:var(--radius-pill);
  background:rgba(20,18,29,.72);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  border:1px solid var(--line);
  transition:box-shadow .2s ease,border-color .2s ease,background-color .2s ease;
}
.site-header.is-scrolled .nav-shell{border-color:var(--line-strong);box-shadow:var(--shadow-2);background:rgba(20,18,29,.88)}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto}
.brand:hover{color:var(--text)}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  font-family:var(--font-num);font-weight:800;font-size:18px;line-height:1;color:#0B1400;
  background:linear-gradient(135deg,var(--accent),#57FFD2);
  box-shadow:0 0 0 1px rgba(168,255,62,.35),0 6px 18px rgba(168,255,62,.22);
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center}
.nav-link{
  height:40px;display:inline-flex;align-items:center;padding:0 14px;border-radius:var(--radius-pill);
  font-size:14.5px;font-weight:600;color:var(--text-2);
}
.nav-link:hover{color:var(--text);background:rgba(108,76,255,.16)}
.nav-link.is-active{color:var(--accent);background:var(--bg-2);border:1px solid var(--line-strong)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;position:relative;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--bg-2);
}
.nav-toggle span{position:absolute;left:13px;right:13px;top:21px;height:2px;border-radius:2px;background:var(--text);transition:background-color .18s ease}
.nav-toggle span::before,.nav-toggle span::after{
  content:'';position:absolute;left:0;right:0;height:2px;border-radius:2px;background:var(--text);
  transition:transform .18s ease;
}
.nav-toggle span::before{top:-7px}
.nav-toggle span::after{top:7px}
body.nav-open .nav-toggle span{background:transparent}
body.nav-open .nav-toggle span::before{transform:translateY(7px) rotate(45deg)}
body.nav-open .nav-toggle span::after{transform:translateY(-7px) rotate(-45deg)}

.nav-drawer{
  position:fixed;top:0;left:0;right:0;bottom:0;z-index:55;
  padding:92px 20px calc(24px + env(safe-area-inset-bottom));
  background:rgba(12,11,18,.97);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  display:flex;flex-direction:column;gap:8px;
  transform:translateY(-100%);opacity:0;pointer-events:none;
  transition:transform .28s ease,opacity .28s ease;
}
.nav-drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
.nav-drawer a{
  min-height:48px;display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;border-radius:12px;border:1px solid transparent;
  color:var(--text);font-size:16px;font-weight:600;
}
.nav-drawer a:hover{background:var(--bg-2);border-color:var(--line)}
.nav-drawer a.is-active{color:var(--accent);background:var(--bg-2);border-color:var(--line-strong)}
.nav-drawer .drawer-cta{margin-top:16px}

/* ---------- 首屏 ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);padding:56px 0 72px}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.30;filter:saturate(120%);
}
.page-hero::after{
  content:'';position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(12,11,18,.72) 0%,rgba(12,11,18,.92) 62%,var(--bg-0) 100%),
    radial-gradient(760px 320px at 82% 12%,rgba(108,76,255,.34),transparent 70%);
}
.hero-inner{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--accent)}
.crumb-current{color:var(--accent)}
.page-title{font-size:clamp(32px,4.6vw,50px);max-width:20em}
.page-lead{margin-top:20px;max-width:38em;color:var(--text-2);font-size:17px}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.meta-pill{
  display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 14px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:rgba(20,18,29,.72);font-size:13.5px;color:var(--text-2);
}
.meta-pill b{font-family:var(--font-num);color:var(--accent);font-size:15px;font-weight:700}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 12px;margin-bottom:14px;
  border-radius:8px;border:1px solid var(--line-strong);background:rgba(108,76,255,.14);
  color:var(--brand-light);font-size:12px;font-weight:700;letter-spacing:.06em;
}
.section-title{font-size:clamp(24px,3vw,32px)}
.section-sub{margin-top:12px;color:var(--text-2);font-size:15.5px;max-width:44em}

/* ---------- 筛选与提示条 ---------- */
.filter-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-bottom:28px}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  height:40px;padding:0 18px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:var(--bg-1);color:var(--text-2);
  font-size:14px;font-weight:600;transition:all .18s ease;
}
.chip:hover{color:var(--text);border-color:var(--line-strong);transform:translateY(-2px)}
.chip.is-active{background:rgba(168,255,62,.12);border-color:var(--accent);color:var(--accent)}
.notice-bar{
  display:flex;align-items:flex-start;gap:10px;max-width:420px;
  padding:12px 16px;border-radius:12px;border:1px solid var(--line);border-left:3px solid var(--cyan);
  background:var(--bg-2);color:var(--text-2);font-size:13.5px;line-height:1.65;
}
.notice-bar strong{color:var(--cyan);font-weight:700}

/* ---------- 卡片网格 ---------- */
.card-grid.grid-x{margin-left:-12px;margin-right:-12px}
.card-grid>.cell{padding:0 12px 24px}
.card-grid>.cell.is-hidden{display:none}
.card-grid>.cell.is-extra{display:none}
.card-grid.is-all>.cell.is-extra{display:block}
.dl-card{
  height:100%;display:flex;flex-direction:column;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.dl-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-1),inset 0 1px 0 rgba(255,255,255,.08)}
.dl-media{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.dl-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.dl-card:hover .dl-media img{transform:scale(1.04)}
.dl-media::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(12,11,18,0) 40%,rgba(12,11,18,.72) 100%)}
.badge{
  position:absolute;left:14px;top:14px;z-index:2;
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:8px;
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.badge-brand{background:rgba(108,76,255,.9);color:#fff;border:1px solid rgba(154,123,255,.7)}
.badge-cyan{background:rgba(34,224,200,.16);color:var(--cyan);border:1px solid rgba(34,224,200,.45)}
.badge-gold{background:rgba(255,197,61,.16);color:var(--gold);border:1px solid rgba(255,197,61,.45)}
.dl-body{display:flex;flex-direction:column;flex:1 1 auto;padding:20px}
.dl-title{font-size:19px;line-height:1.4}
.dl-title a{color:var(--text)}
.dl-title a:hover{color:var(--accent)}
.dl-desc{
  margin-top:10px;color:var(--text-2);font-size:14.5px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.dl-foot{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  color:var(--text-3);font-size:13px;
}
.dl-foot .meta-num{font-family:var(--font-num);color:var(--text-2);letter-spacing:.02em}
.dl-foot .sep{color:var(--line-strong)}
.dl-foot .dl-link{margin-left:auto;font-weight:700;font-size:13.5px;color:var(--brand-light)}
.dl-foot .dl-link:hover{color:var(--accent)}

.more-wrap{display:flex;flex-direction:column;align-items:center;gap:12px;margin-top:12px}
.more-hint{color:var(--text-3);font-size:13.5px}
.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none}

/* ---------- 下载前核对 ---------- */
.check-list{display:grid;gap:16px}
.check-item{
  display:flex;gap:20px;align-items:flex-start;
  padding:22px 24px;border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--bg-1);
  transition:transform .18s ease,border-color .18s ease;
}
.check-item:hover{transform:translateY(-2px);border-color:var(--line-strong)}
.check-num{
  font-family:var(--font-num);font-size:34px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1px var(--brand-light);
  flex:0 0 auto;min-width:64px;
}
.check-body h3{font-size:18px;margin-bottom:8px}
.check-body p{color:var(--text-2);font-size:14.5px}
.check-body .tag{
  display:inline-block;margin-top:10px;padding:3px 10px;border-radius:8px;
  font-size:12px;color:var(--cyan);border:1px solid rgba(34,224,200,.4);background:rgba(34,224,200,.1);
}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:0}
.faq-accordion{margin:0;border:0;background:transparent;list-style:none}
.faq-accordion .accordion-item{
  border:1px solid var(--line);border-radius:14px;background:var(--bg-1);
  margin-bottom:14px;overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-accordion .accordion-item:hover{border-color:var(--line-strong)}
.faq-accordion .accordion-item.is-active{border-color:var(--line-strong);box-shadow:inset 3px 0 0 var(--accent)}
.faq-accordion .accordion-title{
  background:transparent;border:0;color:var(--text);
  font-size:17px;font-weight:700;line-height:1.5;
  padding:20px 56px 20px 24px;position:relative;
}
.faq-accordion .accordion-title:hover{background:rgba(108,76,255,.08);color:var(--accent)}
.faq-accordion .accordion-title::before{
  content:'+';position:absolute;right:24px;top:50%;transform:translateY(-50%);
  font-family:var(--font-num);font-size:22px;font-weight:400;color:var(--text-3);
}
.faq-accordion .accordion-item.is-active .accordion-title::before{content:'−';color:var(--accent)}
.faq-accordion .accordion-content{
  background:transparent;border:0;border-top:1px solid var(--line);
  color:var(--text-2);font-size:15.5px;line-height:1.85;
  padding:18px 24px 22px;
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:
    radial-gradient(620px 280px at 12% 20%,rgba(108,76,255,.30),transparent 70%),
    radial-gradient(520px 260px at 88% 90%,rgba(34,224,200,.16),transparent 70%),
    var(--bg-1);
  padding:76px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;position:relative;z-index:2}
.cta-title{font-size:clamp(23px,2.8vw,30px)}
.cta-sub{margin-top:12px;color:var(--text-2);font-size:15.5px;max-width:34em}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-0);border-top:1px solid var(--line);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{font-size:16px}
.footer-about{color:var(--text-2);font-size:14px;line-height:1.8;max-width:30em}
.footer-title{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--text)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{color:var(--text-2);font-size:14px}
.footer-links a:hover{color:var(--accent)}
.footer-note{color:var(--text-2);font-size:14px;line-height:1.8}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  color:var(--text-3);font-size:13px;
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:inline-flex;align-items:center;gap:8px;height:50px;padding:0 24px;
  border-radius:var(--radius-pill);background:var(--accent);color:#0B1400;
  font-weight:800;font-size:15px;box-shadow:0 16px 36px rgba(168,255,62,.26);
  opacity:0;transform:translateY(16px);pointer-events:none;
  transition:opacity .24s ease,transform .24s ease,background-color .18s ease;
}
.float-cta:hover{background:#B8FF60;color:#0B1400;transform:translateY(-2px)}
.float-cta.is-show{opacity:1;transform:translateY(0);pointer-events:auto}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:1023px){
  .grid-container{padding-left:20px;padding-right:20px}
  .nav-links{display:none}
  .nav-actions .btn{display:none}
  .nav-toggle{display:block}
  .nav-shell{height:56px;padding:0 8px 0 14px}
  .section{padding:64px 0}
  .page-hero{padding:40px 0 56px}
  .check-num{font-size:28px;min-width:52px}
}
@media (max-width:767px){
  body{font-size:15px}
  .page-lead{font-size:16px}
  .page-title{font-size:28px}
  .section{padding:56px 0}
  .filter-row{flex-direction:column;align-items:stretch}
  .notice-bar{max-width:none}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-band{padding:56px 0}
  .float-cta{
    right:16px;left:16px;bottom:calc(16px + env(safe-area-inset-bottom));
    justify-content:center;
  }
  .check-item{padding:18px;gap:14px}
  .dl-body{padding:18px}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr}
  .hero-meta{gap:8px}
  .meta-pill{font-size:12.5px;height:32px;padding:0 12px}
  .chips{gap:8px}
  .chip{height:36px;padding:0 14px;font-size:13px}
}

/* roulang page: category3 */
:root{
  --bg-0:#0C0B12;
  --bg-1:#14121D;
  --bg-2:#1C1A28;
  --line:#2C2940;
  --line-strong:#3B3757;
  --brand:#6C4CFF;
  --brand-light:#9A7BFF;
  --accent:#A8FF3E;
  --cyan:#22E0C8;
  --gold:#FFC53D;
  --warn:#FF5C7A;
  --text:#F4F2FF;
  --text-2:#ADA7C9;
  --text-3:#6E6890;
  --r-card:16px;
  --r-btn:12px;
  --r-pill:999px;
  --r-input:12px;
  --r-badge:8px;
  --font-cn:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC',sans-serif;
  --font-num:'Oxanium','Rajdhani','DIN Alternate','Bahnschrift',var(--font-cn);
  --shadow-1:0 8px 24px rgba(4,3,10,.5);
  --shadow-2:0 18px 48px rgba(4,3,10,.6);
  --container:1200px;
  --t:.18s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:radial-gradient(rgba(154,123,255,.08) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.7;
}
img{max-width:100%;display:block;border-radius:var(--r-card);}
a{color:var(--text);text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t),transform var(--t);}
a:hover{color:var(--accent);}
h1,h2,h3,h4{font-weight:700;line-height:1.25;letter-spacing:-.01em;margin:0;color:var(--text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.grid-container{max-width:var(--container);margin:0 auto;padding-left:32px;padding-right:32px;position:relative;z-index:1;}
.grid-container.full{padding-left:0;padding-right:0;}
main{position:relative;z-index:1;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:16px;
  z-index:50;
  padding:0 20px;
  transition:box-shadow var(--t);
}
.nav-shell{
  max-width:1120px;
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  gap:20px;
  padding:0 12px 0 18px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(20,18,29,.72);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  backdrop-filter:blur(14px) saturate(140%);
  transition:border-color var(--t),box-shadow var(--t),background-color var(--t);
}
.site-header.is-scrolled .nav-shell{
  border-color:var(--line-strong);
  box-shadow:var(--shadow-1);
  background:rgba(20,18,29,.88);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;
  display:flex;align-items:center;justify-content:center;
  border-radius:10px;
  border:1px solid var(--brand-light);
  background:linear-gradient(145deg,rgba(108,76,255,.9),rgba(34,224,200,.35));
  font-family:var(--font-num);
  font-size:19px;font-weight:700;
  color:#0C0B12;
  box-shadow:0 0 0 1px rgba(255,255,255,.06) inset;
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  display:inline-flex;align-items:center;
  height:40px;padding:0 16px;
  border-radius:var(--r-pill);
  font-size:15px;
  color:var(--text-2);
  border:1px solid transparent;
}
.nav-link:hover{color:var(--text);background:var(--bg-2);}
.nav-link.is-active{
  background:var(--bg-2);
  border-color:var(--line-strong);
  color:var(--accent);
  font-weight:700;
}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:12px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:var(--bg-1);
  position:relative;
  cursor:pointer;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;left:50%;top:50%;
  width:18px;height:2px;border-radius:2px;background:var(--text);
  content:"";transform:translate(-50%,-50%);
  transition:transform var(--t),opacity var(--t);
}
.nav-toggle span::before{transform:translate(-50%,-7px);}
.nav-toggle span::after{transform:translate(-50%,5px);}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translate(-50%,-50%) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translate(-50%,-50%) rotate(-45deg);}

.nav-drawer{
  position:fixed;
  left:0;right:0;top:0;
  z-index:49;
  padding:96px 20px 28px;
  background:rgba(12,11,18,.97);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  transform:translateY(-102%);
  transition:transform .26s ease;
  display:none;
}
.nav-drawer.is-open{transform:translateY(0);}
.drawer-links{display:flex;flex-direction:column;gap:6px;margin-bottom:18px;}
.drawer-links a{
  display:flex;align-items:center;
  height:48px;padding:0 16px;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  background:var(--bg-1);
  font-size:16px;
  color:var(--text-2);
}
.drawer-links a.is-active{color:var(--accent);border-color:var(--line-strong);background:var(--bg-2);font-weight:700;}
.drawer-cta{display:flex;width:100%;justify-content:center;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:transform var(--t),box-shadow var(--t),background-color var(--t),border-color var(--t),color var(--t);
}
.btn-primary{background:var(--accent);color:#0C0B12;box-shadow:0 10px 26px rgba(168,255,62,.16);}
.btn-primary:hover{color:#0C0B12;transform:translateY(-2px);box-shadow:0 16px 34px rgba(168,255,62,.24);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--line-strong);}
.btn-ghost:hover{color:var(--accent);border-color:var(--accent);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px;}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:700;color:var(--accent);
}
.btn-link::after{content:"→";transition:transform var(--t);}
.btn-link:hover::after{transform:translateX(4px);}

/* ---------- 页面公共 ---------- */
.section{padding:88px 0;position:relative;}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:48px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 12px;
  border-radius:var(--r-badge);
  border:1px solid var(--line-strong);
  background:var(--bg-2);
  font-size:12px;letter-spacing:.08em;
  color:var(--brand-light);
  text-transform:uppercase;
  font-family:var(--font-num);
  margin-bottom:16px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}
.section-title{font-size:clamp(26px,3.2vw,34px);margin-bottom:14px;}
.section-desc{color:var(--text-2);font-size:16px;max-width:680px;}

.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);
  padding:28px 0 0;
}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{color:var(--line-strong);}
.breadcrumb .current{color:var(--accent);}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  padding:44px 0 72px;
  background-image:linear-gradient(180deg,rgba(12,11,18,.82),rgba(12,11,18,.96)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(168,255,62,.5),transparent);
}
.hero-inner{display:flex;flex-wrap:wrap;gap:40px;align-items:flex-end;justify-content:space-between;}
.hero-copy{flex:1 1 520px;min-width:0;}
.hero-copy h1{font-size:clamp(30px,4.2vw,46px);margin:18px 0 18px;}
.hero-copy h1 em{font-style:normal;color:var(--accent);}
.hero-lead{color:var(--text-2);font-size:17px;max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-side{
  flex:0 1 320px;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:linear-gradient(160deg,rgba(28,26,40,.92),rgba(20,18,29,.92));
  padding:22px;
  box-shadow:var(--shadow-1);
}
.hero-side h2{font-size:16px;color:var(--text-2);font-weight:700;letter-spacing:.02em;margin-bottom:14px;}
.hero-side ul li{
  display:flex;gap:10px;align-items:flex-start;
  padding:10px 0;
  border-bottom:1px dashed var(--line);
  font-size:14px;color:var(--text-2);
}
.hero-side ul li:last-child{border-bottom:0;padding-bottom:0;}
.hero-side ul li b{color:var(--text);font-family:var(--font-num);font-size:15px;flex:0 0 34px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.stat-chip{
  display:inline-flex;align-items:center;gap:8px;
  height:34px;padding:0 14px;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  background:rgba(20,18,29,.7);
  font-size:13px;color:var(--text-2);
}
.stat-chip b{font-family:var(--font-num);color:var(--accent);font-size:14px;}

/* ---------- 步骤区 ---------- */
.steps-layout{display:flex;gap:40px;align-items:flex-start;}
.steps-rail{
  flex:0 0 268px;
  position:sticky;
  top:104px;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--bg-1);
  padding:20px;
}
.rail-title{
  font-size:12px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--text-3);font-family:var(--font-num);margin-bottom:14px;
}
.rail-list{display:flex;flex-direction:column;gap:2px;}
.rail-list a{
  display:flex;gap:10px;align-items:center;
  padding:10px 12px;
  border-radius:10px;
  border-left:2px solid transparent;
  font-size:14px;color:var(--text-3);
}
.rail-list a span{font-family:var(--font-num);font-size:13px;color:var(--text-3);}
.rail-list a:hover{background:var(--bg-2);color:var(--text);}
.rail-list a.is-current{
  background:var(--bg-2);
  border-left-color:var(--accent);
  color:var(--text);
  font-weight:700;
}
.rail-list a.is-current span{color:var(--accent);}
.rail-cta{margin-top:18px;}
.rail-cta .btn{width:100%;}

.steps-flow{flex:1 1 auto;min-width:0;position:relative;}
.step-item{
  position:relative;
  display:flex;
  gap:26px;
  padding-bottom:44px;
}
.step-item:last-child{padding-bottom:0;}
.step-item::before{
  content:"";
  position:absolute;
  left:31px;top:64px;bottom:0;
  border-left:1px dashed var(--line-strong);
}
.step-item:last-child::before{display:none;}
.step-num{
  flex:0 0 64px;
  height:64px;
  display:flex;align-items:center;justify-content:center;
  border-radius:var(--r-card);
  border:1px solid var(--line-strong);
  background:var(--bg-1);
  font-family:var(--font-num);
  font-size:24px;
  font-weight:700;
  color:transparent;
  -webkit-text-stroke:1px var(--brand-light);
  position:relative;
  z-index:2;
  transition:border-color var(--t),box-shadow var(--t);
}
.step-item:hover .step-num{border-color:var(--accent);box-shadow:0 0 0 4px rgba(168,255,62,.08);-webkit-text-stroke:1px var(--accent);}
.step-body{
  flex:1 1 auto;
  min-width:0;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:linear-gradient(150deg,rgba(28,26,40,.7),rgba(20,18,29,.7));
  padding:24px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:border-color var(--t),transform var(--t),box-shadow var(--t);
}
.step-body:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.step-body h3{font-size:20px;margin-bottom:10px;}
.step-body p{color:var(--text-2);font-size:15px;line-height:1.85;}
.step-media{margin-top:18px;}
.step-media img{border-radius:12px;width:100%;aspect-ratio:16/9;object-fit:cover;}
.step-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.badge{
  display:inline-flex;align-items:center;
  height:26px;padding:0 10px;
  border-radius:var(--r-badge);
  border:1px solid var(--line-strong);
  background:var(--bg-2);
  font-size:12px;color:var(--text-2);
}
.badge-brand{color:var(--brand-light);border-color:rgba(154,123,255,.5);}
.badge-accent{color:var(--accent);border-color:rgba(168,255,62,.45);}
.badge-cyan{color:var(--cyan);border-color:rgba(34,224,200,.45);}
.badge-gold{color:var(--gold);border-color:rgba(255,197,61,.45);}
.badge-warn{color:var(--warn);border-color:rgba(255,92,122,.45);}

/* ---------- 自查卡片 ---------- */
.risk-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.risk-card{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--bg-0);
  padding:24px;
  display:flex;flex-direction:column;gap:12px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
  transition:border-color var(--t),transform var(--t),box-shadow var(--t);
}
.risk-card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow-1);}
.risk-card h3{font-size:19px;}
.risk-card p{font-size:14px;color:var(--text-2);line-height:1.8;}
.risk-card .badge{align-self:flex-start;}

/* ---------- 对比表 ---------- */
.table-wrap{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--bg-0);
}
table.compare{width:100%;border-collapse:collapse;margin:0;}
table.compare th,table.compare td{
  padding:16px 20px;
  text-align:left;
  font-size:15px;
  border-bottom:1px solid var(--line);
  vertical-align:top;
}
table.compare thead th{
  background:var(--bg-2);
  color:var(--text-2);
  font-size:13px;
  letter-spacing:.06em;
  text-transform:uppercase;
  font-family:var(--font-num);
  border-bottom:1px solid var(--line-strong);
}
table.compare tbody tr:nth-child(even){background:rgba(28,26,40,.45);}
table.compare tbody tr:last-child td{border-bottom:0;}
table.compare td:first-child{color:var(--text);font-weight:700;}
table.compare td.good{color:var(--accent);}
table.compare td.bad{color:var(--warn);}

.compare-cards{display:none;}
.compare-card{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--bg-0);
  padding:20px;
  margin-bottom:14px;
}
.compare-card h4{font-size:16px;margin-bottom:10px;}
.compare-card dl{margin:0;font-size:14px;}
.compare-card dt{color:var(--text-3);font-size:12px;margin-top:12px;letter-spacing:.04em;}
.compare-card dd{margin:4px 0 0;color:var(--text-2);}
.compare-card dd.good{color:var(--accent);}
.compare-card dd.bad{color:var(--warn);}

/* ---------- FAQ ---------- */
.faq-accordion{margin:0;border:0;background:transparent;}
.faq-accordion .accordion-item{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--bg-1);
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color var(--t);
}
.faq-accordion .accordion-item.is-active{
  border-color:var(--line-strong);
  border-left:3px solid var(--accent);
}
.faq-accordion .accordion-title{
  border:0;
  background:transparent;
  color:var(--text);
  font-size:17px;
  font-weight:700;
  padding:20px 24px 20px 48px;
  position:relative;
  line-height:1.5;
}
.faq-accordion .accordion-title:hover{background:var(--bg-2);color:var(--text);}
.faq-accordion .accordion-title::before{
  content:"";
  position:absolute;
  left:22px;top:26px;
  width:9px;height:9px;
  border-right:2px solid var(--accent);
  border-bottom:2px solid var(--accent);
  transform:rotate(45deg);
  transition:transform var(--t);
}
.faq-accordion .accordion-item.is-active .accordion-title::before{transform:rotate(225deg);top:30px;}
.faq-accordion .accordion-content{
  border:0;
  background:transparent;
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
  padding:0 24px 22px 48px;
  display:none;
}
.faq-accordion .accordion-item.is-active .accordion-content{display:block;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  padding:72px 0;
  background-image:linear-gradient(120deg,rgba(12,11,18,.9),rgba(28,26,40,.8)),url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.cta-band::before{
  content:"9";
  position:absolute;
  right:-10px;bottom:-70px;
  font-family:var(--font-num);
  font-size:300px;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1px rgba(108,76,255,.28);
  pointer-events:none;
}
.cta-inner{display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;position:relative;z-index:1;}
.cta-inner h2{font-size:clamp(24px,3vw,32px);margin-bottom:10px;}
.cta-inner p{color:var(--text-2);font-size:15px;max-width:520px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;
  right:24px;bottom:24px;
  z-index:60;
  display:inline-flex;align-items:center;gap:8px;
  height:52px;padding:0 22px;
  border-radius:var(--r-pill);
  background:var(--accent);
  color:#0C0B12;
  font-weight:700;font-size:15px;
  box-shadow:0 14px 34px rgba(168,255,62,.24);
  opacity:0;
  transform:translateY(14px);
  pointer-events:none;
  transition:opacity .24s ease,transform .24s ease,background-color var(--t);
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{color:#0C0B12;background:#bdff6a;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-1);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
  position:relative;
  z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.3fr;
  gap:32px;
  padding-bottom:36px;
  border-bottom:1px solid var(--line);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-about{color:var(--text-2);font-size:14px;line-height:1.8;max-width:320px;}
.footer-title{font-size:14px;letter-spacing:.06em;color:var(--text-2);margin-bottom:14px;font-weight:700;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--text-2);}
.footer-links a:hover{color:var(--accent);}
.footer-note{font-size:14px;color:var(--text-3);line-height:1.8;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding-top:22px;
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .steps-rail{flex:0 0 236px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:1023px){
  .grid-container{padding-left:24px;padding-right:24px;}
  .section{padding:64px 0;}
  .nav-links{display:none;}
  .nav-toggle{display:block;}
  .nav-drawer{display:block;}
  .nav-actions .btn-sm{display:none;}
  .steps-layout{flex-direction:column;gap:28px;}
  .steps-rail{position:static;width:100%;flex:1 1 auto;}
  .rail-list{flex-direction:row;flex-wrap:wrap;gap:8px;}
  .rail-list a{flex:1 1 150px;border-left:0;border:1px solid var(--line);}
  .rail-list a.is-current{border-color:var(--line-strong);border-left:1px solid var(--line-strong);}
  .rail-cta{display:none;}
  .risk-grid{grid-template-columns:1fr 1fr;}
  .hero-side{flex:1 1 100%;}
}
@media (max-width:767px){
  .risk-grid{grid-template-columns:1fr;}
  .table-wrap{display:none;}
  .compare-cards{display:block;}
  .float-cta{
    left:16px;right:16px;bottom:calc(16px + env(safe-area-inset-bottom,0px));
    justify-content:center;
    height:50px;
  }
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:519px){
  .grid-container{padding-left:20px;padding-right:20px;}
  .nav-shell{height:56px;padding:0 10px 0 12px;gap:10px;}
  .brand-text{font-size:15px;}
  .brand-mark{width:30px;height:30px;font-size:17px;}
  .section{padding:56px 0;}
  .page-hero{padding:24px 0 52px;}
  .hero-copy h1{font-size:29px;}
  .hero-actions .btn{width:100%;}
  .step-item{gap:14px;}
  .step-num{flex:0 0 50px;height:50px;font-size:19px;}
  .step-item::before{left:24px;top:52px;}
  .step-body{padding:18px;}
  .cta-actions .btn{width:100%;}
  .footer-bottom{flex-direction:column;gap:6px;}
}

/* roulang page: category4 */
:root{
  --bg-0:#0C0B12;
  --bg-1:#14121D;
  --bg-2:#1C1A28;
  --line:#2C2940;
  --line-strong:#3B3757;
  --brand:#6C4CFF;
  --brand-2:#9A7BFF;
  --accent:#A8FF3E;
  --cyan:#22E0C8;
  --gold:#FFC53D;
  --warn:#FF5C7A;
  --text:#F4F2FF;
  --text-2:#ADA7C9;
  --text-3:#6E6890;
  --radius-card:16px;
  --radius-btn:12px;
  --radius-pill:999px;
  --shadow-1:0 8px 24px rgba(4,3,10,.5);
  --shadow-2:0 18px 48px rgba(4,3,10,.6);
  --font-body:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC',sans-serif;
  --font-num:'Oxanium','Rajdhani','DIN Alternate','Bahnschrift',var(--font-body);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6,p,ul,ol,li,figure{margin:0;padding:0}
ul,ol{list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease,transform .18s ease}
a:hover{color:var(--accent)}
a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px}
table{border-collapse:collapse;width:100%}
button{font-family:inherit;cursor:pointer}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);font-family:var(--font-num);
  border:1px solid rgba(34,224,200,.35);
  background:rgba(34,224,200,.08);
  border-radius:8px;padding:6px 12px;margin-bottom:18px;
}
.section-title{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.25;letter-spacing:-.01em}
.section-sub{color:var(--text-2);font-size:15px;margin-top:12px;max-width:720px}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:40px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--accent);color:#0C0B12;box-shadow:0 8px 24px rgba(168,255,62,.18)}
.btn-primary:hover{background:#b9ff5e;color:#0C0B12;transform:translateY(-2px);box-shadow:0 14px 32px rgba(168,255,62,.26)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{border-color:var(--brand-2);color:var(--text);transform:translateY(-2px);background:rgba(108,76,255,.1)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-weight:600;font-size:14px}
.btn-text:hover{gap:10px;color:var(--accent)}

/* ---------- Header / Nav ---------- */
.site-header{position:sticky;top:0;z-index:60;padding:16px 20px 0}
.nav-shell{
  max-width:1120px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:24px;
  padding:0 12px 0 18px;border-radius:var(--radius-pill);
  border:1px solid var(--line);
  background:rgba(20,18,29,.72);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  transition:box-shadow .2s ease,border-color .2s ease,background-color .2s ease;
}
.site-header.is-scrolled .nav-shell{border-color:var(--line-strong);box-shadow:var(--shadow-2);background:rgba(20,18,29,.88)}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  font-family:var(--font-num);font-weight:700;font-size:18px;color:var(--bg-0);
  background:linear-gradient(135deg,var(--accent),var(--cyan));
  box-shadow:0 0 0 1px rgba(168,255,62,.4),0 6px 18px rgba(34,224,200,.18);
}
.brand-text{font-size:16px;font-weight:700;letter-spacing:-.01em;color:var(--text)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  display:inline-flex;align-items:center;height:38px;padding:0 14px;
  border-radius:var(--radius-pill);font-size:14px;color:var(--text-2);
  border:1px solid transparent;
}
.nav-link:hover{color:var(--text);background:var(--bg-2)}
.nav-link.is-active{color:var(--accent);background:var(--bg-2);border-color:rgba(168,255,62,.32)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--bg-2);
  position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:'';position:absolute;left:50%;width:18px;height:2px;border-radius:2px;
  background:var(--text);transform:translateX(-50%);transition:.2s ease;
}
.nav-toggle span{top:21px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle.is-open span{background:transparent}
.nav-toggle.is-open span::before{top:0;transform:translateX(-50%) rotate(45deg)}
.nav-toggle.is-open span::after{top:0;transform:translateX(-50%) rotate(-45deg)}

/* ---------- Breadcrumb ---------- */
.crumbs{padding:28px 0 0}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.crumbs li::after{content:'/';margin-left:8px;color:var(--line-strong)}
.crumbs li:last-child::after{content:'';margin:0}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--text-2)}
.crumbs .current{color:var(--accent)}

/* ---------- Hero (small) ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;
}
.cat-hero::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,11,18,.86),rgba(12,11,18,.94)),
             radial-gradient(circle at 18% 30%,rgba(108,76,255,.35),transparent 55%);
}
.cat-hero::after{
  content:'';position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(154,123,255,.18) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;
}
.cat-hero .container{position:relative;z-index:2;padding-top:64px;padding-bottom:64px}
.cat-hero h1{
  font-size:clamp(28px,4.4vw,46px);
  line-height:1.2;font-weight:700;letter-spacing:-.01em;max-width:820px;
}
.cat-hero h1 em{font-style:normal;color:var(--accent)}
.cat-hero p.lede{color:var(--text-2);font-size:16px;margin-top:16px;max-width:640px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;color:var(--text-2);
  border:1px solid var(--line);background:rgba(28,26,40,.7);
  border-radius:var(--radius-pill);padding:7px 14px;
}
.chip i{color:var(--accent);font-size:11px}

/* ---------- Alert bar ---------- */
.alert-bar{
  border:1px solid rgba(168,255,62,.4);
  background:linear-gradient(90deg,rgba(168,255,62,.14),rgba(168,255,62,.02));
  border-left:4px solid var(--accent);
  border-radius:14px;
  padding:18px 22px;
  display:flex;gap:14px;align-items:flex-start;
  margin-top:40px;
}
.alert-bar i{color:var(--accent);font-size:18px;margin-top:4px}
.alert-bar strong{display:block;font-size:15px;margin-bottom:4px}
.alert-bar p{color:var(--text-2);font-size:14px;margin:0}

/* ---------- Compare table ---------- */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--bg-1);overflow:hidden;
}
.cmp-table{font-size:14px;min-width:760px}
.cmp-table thead th{
  background:var(--bg-2);color:var(--text-2);font-weight:600;
  text-align:left;padding:16px 18px;font-size:13px;letter-spacing:.02em;
  border-bottom:1px solid var(--line-strong);white-space:nowrap;
}
.cmp-table tbody td{
  padding:18px;color:var(--text-2);border-bottom:1px solid var(--line);
  vertical-align:top;
}
.cmp-table tbody tr:last-child td{border-bottom:none}
.cmp-table tbody tr:nth-child(even){background:rgba(28,26,40,.4)}
.cmp-table tbody tr:hover{background:rgba(108,76,255,.08)}
.cmp-table td:first-child{color:var(--text);font-weight:600;font-size:15px}
.tag{
  display:inline-block;font-size:12px;line-height:1.6;
  padding:3px 10px;border-radius:8px;border:1px solid var(--line-strong);
  color:var(--brand-2);background:rgba(108,76,255,.1);
}
.tag-cyan{color:var(--cyan);border-color:rgba(34,224,200,.35);background:rgba(34,224,200,.08)}
.tag-gold{color:var(--gold);border-color:rgba(255,197,61,.35);background:rgba(255,197,61,.08)}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}

/* ---------- Split block ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split-media{
  border:1px solid var(--line);border-radius:18px;overflow:hidden;
  background:var(--bg-1);position:relative;
}
.split-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.split-media::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(12,11,18,.55));
  pointer-events:none;
}
.split-body h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700}
.split-body p{color:var(--text-2);margin-top:14px;font-size:15px}
.dot-list{margin-top:24px;display:grid;gap:14px}
.dot-list li{display:flex;gap:12px;align-items:flex-start;color:var(--text-2);font-size:15px}
.dot-list li i{color:var(--accent);margin-top:7px;font-size:10px}
.dot-list li b{color:var(--text);font-weight:600}

/* ---------- Check cards ---------- */
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:32px}
.check-card{
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--bg-1);padding:26px 24px;
  position:relative;overflow:hidden;
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.check-card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(255,255,255,.14),transparent);
}
.check-card:hover{transform:translateY(-2px);border-color:var(--line-strong);box-shadow:var(--shadow-1)}
.check-num{
  font-family:var(--font-num);font-size:30px;font-weight:700;line-height:1;
  color:transparent;-webkit-text-stroke:1px var(--brand-2);margin-bottom:16px;
}
.check-card h3{font-size:18px;font-weight:700;margin-bottom:10px}
.check-card p{color:var(--text-2);font-size:14px;line-height:1.75}

/* ---------- Stats ---------- */
.stat-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  border:1px solid var(--line);border-radius:var(--radius-card);
  background:var(--line);overflow:hidden;margin-top:40px;
}
.stat-item{background:var(--bg-1);padding:26px 22px}
.stat-item b{
  display:block;font-family:var(--font-num);font-size:30px;font-weight:700;
  color:var(--accent);line-height:1.1;
}
.stat-item span{display:block;color:var(--text-2);font-size:13px;margin-top:8px}

/* ---------- FAQ ---------- */
.faq-list{margin-top:32px}
.accordion{border:none;background:transparent;margin:0}
.accordion-item{
  border:1px solid var(--line);border-radius:14px;background:var(--bg-1);
  margin-bottom:12px;overflow:hidden;transition:border-color .18s ease,background-color .18s ease;
}
.accordion-item:hover{border-color:var(--line-strong)}
.accordion-title{
  display:block;padding:19px 60px 19px 22px;position:relative;
  font-size:17px;font-weight:600;color:var(--text);
  border:none;background:transparent;line-height:1.6;
  transition:color .18s ease,background-color .18s ease;
}
.accordion-title::before{
  content:'';position:absolute;right:26px;top:50%;
  width:9px;height:9px;
  border-right:2px solid var(--accent);border-bottom:2px solid var(--accent);
  transform:translateY(-70%) rotate(45deg);
  transition:transform .18s ease;
}
.accordion-title:hover{background:rgba(108,76,255,.1);color:var(--text)}
.accordion-item.is-active{border-color:rgba(168,255,62,.42);background:var(--bg-1)}
.accordion-item.is-active .accordion-title{border-left:3px solid var(--accent);padding-left:19px}
.accordion-item.is-active .accordion-title::before{transform:translateY(-30%) rotate(225deg)}
.accordion-content{
  display:none;padding:0 26px 22px 22px;border:none;background:var(--bg-1);
  color:var(--text-2);font-size:15px;line-height:1.85;
}
.accordion-item.is-active > .accordion-content{display:block}
.accordion-content p{margin-bottom:10px}
.accordion-content p:last-child{margin-bottom:0}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.cta-band::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(12,11,18,.94),rgba(108,76,255,.22));
}
.cta-inner{position:relative;z-index:2;padding:72px 0;text-align:center}
.cta-inner h2{font-size:clamp(24px,3.2vw,34px);font-weight:700;line-height:1.3}
.cta-inner p{color:var(--text-2);margin-top:14px;font-size:15px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:30px}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-1);margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-about{color:var(--text-2);font-size:14px;line-height:1.8;max-width:320px}
.footer-title{font-size:14px;font-weight:700;color:var(--text);margin-bottom:16px;letter-spacing:.02em}
.footer-links{display:grid;gap:10px}
.footer-links a{color:var(--text-2);font-size:14px}
.footer-links a:hover{color:var(--accent)}
.footer-note{color:var(--text-3);font-size:13px;line-height:1.8;max-width:300px}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  color:var(--text-3);font-size:13px;
}

/* ---------- Float CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:inline-flex;align-items:center;gap:8px;
  height:52px;padding:0 24px;border-radius:var(--radius-pill);
  background:var(--accent);color:#0C0B12;font-weight:700;font-size:15px;
  box-shadow:0 14px 36px rgba(168,255,62,.28);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .22s ease,transform .22s ease,background-color .18s ease;
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{background:#b9ff5e;color:#0C0B12;transform:translateY(-2px)}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .container{padding:0 28px}
  .split{gap:36px}
}
@media (max-width:1023px){
  .nav-toggle{display:block}
  .nav-links{
    position:fixed;left:0;right:0;top:0;bottom:0;
    margin:0;flex-direction:column;justify-content:center;gap:6px;
    padding:96px 28px;background:rgba(12,11,18,.98);
    transform:translateY(-100%);opacity:0;pointer-events:none;
    transition:transform .28s ease,opacity .24s ease;
  }
  .nav-links.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-link{
    width:100%;height:48px;justify-content:flex-start;
    font-size:17px;padding:0 18px;border-radius:14px;
  }
  .nav-shell{gap:12px}
  .split{grid-template-columns:1fr}
  .check-grid{grid-template-columns:1fr 1fr}
  .stat-row{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .section{padding:80px 0}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .site-header{padding:12px 14px 0}
  .nav-shell{height:56px;padding:0 10px 0 14px}
  .brand-text{font-size:15px}
  .btn-sm{height:38px;padding:0 14px;font-size:13px}
  .cat-hero .container{padding-top:44px;padding-bottom:44px}
  .crumbs{padding-top:20px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .check-grid{grid-template-columns:1fr}
  .stat-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .float-cta{
    left:16px;right:16px;bottom:calc(16px + env(safe-area-inset-bottom));
    justify-content:center;height:50px;
  }
  .cta-inner{padding:56px 0}
  .alert-bar{padding:16px 18px}
  .table-wrap{background:transparent;border:none;overflow:visible}
  .cmp-table{min-width:0;font-size:14px}
  .cmp-table thead{display:none}
  .cmp-table tbody tr{
    display:block;border:1px solid var(--line);border-radius:14px;
    background:var(--bg-1);margin-bottom:14px;padding:10px 6px;
  }
  .cmp-table tbody tr:nth-child(even){background:var(--bg-1)}
  .cmp-table tbody td{
    display:flex;justify-content:space-between;gap:16px;
    border:none;padding:9px 14px;text-align:right;
  }
  .cmp-table tbody td:first-child{
    font-size:16px;border-bottom:1px solid var(--line);
    margin-bottom:8px;padding-bottom:14px;
  }
  .cmp-table tbody td::before{
    content:attr(data-th);color:var(--text-3);font-size:13px;
    font-weight:400;flex:0 0 84px;text-align:left;
  }
  .accordion-title{font-size:16px;padding:17px 54px 17px 18px}
  .accordion-content{padding:0 20px 20px 18px}
}