/* roulang page: index */
:root{
  --bg-0:#0B0F14; --bg-1:#101720; --bg-2:#151C26; --bg-3:#1C2635;
  --line:#24303F; --line-active:rgba(22,224,184,.35);
  --txt-0:#E8EEF6; --txt-1:#9AA7B8; --txt-2:#66748A;
  --primary:#16E0B8; --primary-soft:#2FE9C4; --secondary:#7C5CFF; --accent:#FF6A2B;
  --radius-card:14px; --radius-block:20px; --radius-btn:10px;
  --shadow-glow:0 0 0 1px rgba(22,224,184,.35), 0 12px 32px rgba(0,0,0,.45);
  --shadow-inset:inset 0 1px 0 rgba(255,255,255,.04);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg-0);
  color:var(--txt-0);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--txt-1);text-decoration:none;transition:color .22s var(--ease);}
a:hover{color:var(--primary);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.28;color:var(--txt-0);letter-spacing:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;}

/* 布局容器 */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;position:relative;}
.section-alt{background:var(--bg-1);}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--primary);
  letter-spacing:.04em;margin-bottom:14px;
}
.section-head .eyebrow::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--primary),var(--secondary));border-radius:2px;}
.section-head h2{font-size:clamp(24px,3.4vw,36px);margin-bottom:14px;}
.section-head p{color:var(--txt-1);font-size:16px;max-width:660px;}

/* 顶部渐变线 */
.top-gradient{height:2px;background:linear-gradient(90deg,var(--primary),var(--secondary) 55%,var(--accent));}

/* 公告条 */
.notice-bar{
  background:var(--bg-1);border-bottom:1px solid var(--line);
  min-height:36px;display:flex;align-items:center;
}
.notice-inner{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--txt-1);padding:6px 0;}
.notice-dot{width:7px;height:7px;border-radius:50%;background:var(--primary);flex:none;box-shadow:0 0 0 4px rgba(22,224,184,.14);}
.notice-inner strong{color:var(--txt-0);font-weight:600;}
.notice-close{margin-left:auto;color:var(--txt-2);font-size:13px;background:none;border:0;cursor:pointer;padding:4px 6px;border-radius:6px;transition:color .2s var(--ease);}
.notice-close:hover{color:var(--primary);}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;}
.navbar{
  background:rgba(16,23,32,.92);
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 24px rgba(0,0,0,.35);
}
.nav-inner{display:flex;align-items:center;gap:28px;height:70px;}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--txt-0);flex:none;}
.brand:hover{color:var(--txt-0);}
.brand-mark{
  width:32px;height:32px;border-radius:9px;flex:none;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  display:flex;align-items:center;justify-content:center;
  color:#04231C;font-size:14px;font-weight:800;
}
.nav-main{display:flex;align-items:center;gap:28px;margin-left:12px;}
.nav-link{
  position:relative;font-size:15px;font-weight:600;color:var(--txt-1);
  padding:6px 0;background:none;border:0;cursor:pointer;
  display:inline-flex;align-items:center;gap:5px;
  transition:color .22s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--secondary));
  transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.nav-link:hover,.nav-link.active{color:var(--primary);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-arrow{width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);transition:transform .22s var(--ease);}
.nav-mega{position:relative;display:flex;align-items:center;}

/* Mega 面板 */
.mega-panel{
  position:absolute;top:calc(100% + 18px);right:-24px;width:820px;
  background:var(--bg-1);border:1px solid var(--line);border-radius:16px;
  padding:26px;opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .18s var(--ease),transform .18s var(--ease),visibility .18s;
  box-shadow:0 26px 64px rgba(0,0,0,.6);
  overflow:hidden;
}
.mega-panel::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--primary),var(--secondary));
}
.nav-mega:hover .mega-panel,
.nav-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:26px;}
.mega-title{font-size:12px;font-weight:600;color:var(--txt-2);letter-spacing:.08em;margin-bottom:14px;}
.mega-cats{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.mega-cat{
  display:block;padding:14px;border:1px solid var(--line);border-radius:12px;
  background:var(--bg-2);transition:all .22s var(--ease);
}
.mega-cat:hover{border-color:var(--line-active);transform:translateY(-2px);box-shadow:var(--shadow-glow);}
.mega-cat .mc-icon{width:26px;height:26px;border-radius:8px;background:rgba(124,92,255,.18);color:#B8A8FF;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;margin-bottom:8px;}
.mega-cat b{display:block;font-size:14px;color:var(--txt-0);margin-bottom:2px;}
.mega-cat span{display:block;font-size:12px;color:var(--txt-2);line-height:1.6;}
.mega-posts{display:flex;flex-direction:column;gap:10px;}
.mega-post{display:block;padding:12px 14px;border-radius:12px;border:1px solid transparent;transition:all .2s var(--ease);}
.mega-post:hover{background:var(--bg-2);border-color:var(--line);}
.mega-post b{display:block;font-size:14px;font-weight:600;color:var(--txt-0);margin-bottom:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.mega-post span{font-size:12px;color:var(--txt-2);}
.mega-cta{
  margin-top:24px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:18px;
}
.mega-cta p{font-size:13px;color:var(--txt-1);}

/* 按钮 */
.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;cursor:pointer;
  transition:all .22s var(--ease);white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#04231C;}
.btn-primary:hover{background:var(--primary-soft);color:#04231C;transform:translateY(-2px);box-shadow:0 0 0 4px rgba(22,224,184,.16),0 14px 30px rgba(0,0,0,.45);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:transparent;border-color:var(--line);color:var(--txt-0);}
.btn-outline:hover{border-color:rgba(22,224,184,.7);background:rgba(22,224,184,.12);color:var(--primary);transform:translateY(-2px);}
.btn-ghost{background:none;border:0;color:var(--txt-1);padding:0;height:auto;}
.btn-ghost:hover{color:var(--primary);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;}
.btn-pill{border-radius:999px;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.nav-cta{margin-left:auto;}

/* 移动端抽屉 */
.nav-toggle-input{display:none;}
.nav-toggle{
  display:none;margin-left:auto;width:42px;height:42px;border-radius:11px;
  border:1px solid var(--line);background:var(--bg-2);cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle i{display:block;width:18px;height:2px;background:var(--txt-0);border-radius:2px;}
.nav-backdrop{
  display:none;position:fixed;inset:0;background:rgba(4,7,10,.66);
  opacity:0;visibility:hidden;transition:opacity .24s var(--ease),visibility .24s;z-index:70;
}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:88vw;max-width:360px;
  background:var(--bg-1);border-left:1px solid var(--line);z-index:80;
  transform:translateX(105%);transition:transform .28s var(--ease);
  padding:22px;overflow-y:auto;
}
.nav-toggle-input:checked ~ .nav-backdrop{display:block;opacity:1;visibility:visible;}
.nav-toggle-input:checked ~ .nav-drawer{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-group{margin-bottom:22px;}
.drawer-group h4{font-size:12px;color:var(--txt-2);font-weight:600;letter-spacing:.08em;margin-bottom:10px;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 14px;border-radius:12px;border:1px solid var(--line);
  background:var(--bg-2);font-size:15px;font-weight:600;color:var(--txt-0);margin-bottom:10px;
  transition:all .22s var(--ease);
}
.drawer-link:hover{border-color:var(--line-active);color:var(--primary);}
.drawer-link.active{border-color:var(--line-active);color:var(--primary);}

/* Hero */
.hero{
  position:relative;
  background:linear-gradient(180deg,var(--bg-0),var(--bg-1) 70%,var(--bg-0));
  padding:74px 0 88px;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(to right,rgba(255,255,255,.035) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(ellipse 90% 70% at 60% 20%,#000 30%,transparent 78%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:52px;align-items:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  border:1px solid var(--line-active);background:rgba(22,224,184,.08);
  font-size:13px;font-weight:600;color:var(--primary);margin-bottom:22px;
}
.hero h1{font-size:clamp(30px,5vw,52px);margin-bottom:20px;}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,var(--primary),#7FE9FF 55%,var(--secondary));-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{font-size:17px;color:var(--txt-1);max-width:520px;margin-bottom:32px;}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:30px;}
.trust-row{display:flex;flex-wrap:wrap;gap:22px;}
.trust-item{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--txt-1);}
.trust-item i{
  width:16px;height:16px;border-radius:5px;flex:none;
  background:rgba(22,224,184,.16);border:1px solid rgba(22,224,184,.35);
  display:flex;align-items:center;justify-content:center;
}
.trust-item i::before{content:"";width:5px;height:5px;border-radius:2px;background:var(--primary);}

.hero-visual{position:relative;border-radius:var(--radius-block);overflow:hidden;min-height:420px;background:#121821;border:1px solid var(--line);}
.hero-visual img{width:100%;height:100%;min-height:420px;object-fit:cover;}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(11,15,20,.42),rgba(11,15,20,.9) 72%);
}
.hero-float{
  position:absolute;left:22px;right:22px;bottom:22px;z-index:3;
  background:rgba(21,28,38,.94);border:1px solid var(--line);border-radius:14px;
  padding:18px 20px;box-shadow:0 18px 40px rgba(0,0,0,.5);
}
.float-status{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--primary);font-weight:600;margin-bottom:12px;}
.float-status span.dot{width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(22,224,184,.16);}
.float-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 0;border-top:1px solid rgba(36,48,63,.8);font-size:14px;}
.float-row:first-of-type{border-top:0;}
.float-row b{color:var(--txt-0);font-weight:600;}
.float-row span{color:var(--txt-1);}
.hero-float .btn{margin-top:12px;width:100%;}

/* 快速入口条 */
.quick-bar{padding:0 0 16px;}
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.quick-card{
  display:flex;align-items:center;gap:14px;padding:18px;
  border:1px solid var(--line);border-radius:14px;background:var(--bg-2);
  box-shadow:var(--shadow-inset);transition:all .24s var(--ease);
}
.quick-card:hover{border-color:var(--line-active);transform:translateY(-3px);box-shadow:var(--shadow-glow);}
.quick-card .qc-num{
  width:38px;height:38px;flex:none;border-radius:11px;
  background:linear-gradient(135deg,rgba(22,224,184,.18),rgba(124,92,255,.18));
  color:var(--primary);display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;border:1px solid rgba(22,224,184,.28);
}
.quick-card b{display:block;font-size:15px;color:var(--txt-0);font-weight:700;}
.quick-card span{display:block;font-size:12.5px;color:var(--txt-2);line-height:1.6;}

/* 卖点错位栅格 */
.feature-grid{display:grid;grid-template-columns:1.62fr 1fr;gap:24px;align-items:start;}
.card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-inset);position:relative;
  transition:all .26s var(--ease);
}
.card::before{
  content:"";position:absolute;top:0;left:0;width:64px;height:1px;
  background:linear-gradient(90deg,rgba(255,255,255,.34),transparent);
}
.card:hover{border-color:var(--line-active);transform:translateY(-3px);box-shadow:var(--shadow-glow);}
.card-icon{
  width:44px;height:44px;border-radius:12px;margin-bottom:18px;
  background:linear-gradient(135deg,rgba(22,224,184,.2),rgba(124,92,255,.2));
  border:1px solid rgba(22,224,184,.28);
  display:flex;align-items:center;justify-content:center;
  color:var(--primary);font-weight:800;font-size:16px;
}
.card h3{font-size:clamp(18px,2vw,24px);margin-bottom:14px;}
.card p{color:var(--txt-1);font-size:15.5px;margin-bottom:12px;}
.card p:last-of-type{margin-bottom:0;}
.card-link{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:14px;font-weight:600;color:var(--primary);}
.card-link::after{content:"→";transition:transform .22s var(--ease);}
.card-link:hover::after{transform:translateX(4px);}
.feature-main{padding:34px;}
.feature-side{display:flex;flex-direction:column;gap:24px;padding-top:26px;}
.feature-side .card{padding:22px;}
.feature-side .card h3{font-size:18px;}
.feature-side .card p{font-size:14.5px;margin-bottom:0;}
.feature-list{margin-top:16px;display:flex;flex-direction:column;gap:10px;}
.feature-list li{display:flex;gap:10px;font-size:14.5px;color:var(--txt-1);}
.feature-list li::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--primary);margin-top:9px;flex:none;}

/* 步骤 */
.steps-wrap{display:grid;grid-template-columns:1.25fr 1fr;gap:40px;align-items:start;}
.step-list{display:flex;flex-direction:column;gap:6px;position:relative;padding-left:0;}
.step-item{
  display:grid;grid-template-columns:auto 1fr;gap:18px;
  padding:18px 18px 18px 0;position:relative;
}
.step-item::before{
  content:"";position:absolute;left:19px;top:56px;bottom:-6px;width:2px;
  background:linear-gradient(180deg,rgba(22,224,184,.5),rgba(124,92,255,.14));
}
.step-item:last-child::before{display:none;}
.step-num{
  width:40px;height:40px;border-radius:12px;flex:none;z-index:2;
  background:var(--bg-2);border:1px solid var(--line-active);
  color:var(--primary);font-weight:800;font-size:15px;
  display:flex;align-items:center;justify-content:center;
}
.step-body h3{font-size:17px;margin-bottom:6px;}
.step-body p{font-size:14.5px;color:var(--txt-1);}
.step-media{border-radius:var(--radius-block);overflow:hidden;border:1px solid var(--line);background:#121821;position:sticky;top:104px;}
.step-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.step-media figcaption{padding:16px 20px;font-size:13.5px;color:var(--txt-1);border-top:1px solid var(--line);background:var(--bg-2);}

/* 数据条 + 评价 */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:48px;}
.stat-card{
  padding:24px;border:1px solid var(--line);border-radius:14px;background:var(--bg-2);
  box-shadow:var(--shadow-inset);transition:all .26s var(--ease);
}
.stat-card:hover{border-color:var(--line-active);transform:translateY(-3px);}
.stat-value{font-size:clamp(28px,3.6vw,40px);font-weight:800;color:var(--primary);line-height:1.1;letter-spacing:-.02em;}
.stat-value small{font-size:16px;color:var(--txt-1);font-weight:600;margin-left:4px;}
.stat-label{margin-top:8px;font-size:14px;color:var(--txt-1);}
.voice-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:24px;align-items:start;}
.voice-main{padding:30px;}
.voice-main blockquote{margin:0 0 20px;font-size:19px;line-height:1.75;color:var(--txt-0);font-weight:600;}
.voice-side{display:flex;flex-direction:column;gap:20px;padding-top:26px;}
.voice-card{padding:22px;border:1px solid var(--line);border-radius:14px;background:var(--bg-2);box-shadow:var(--shadow-inset);transition:all .26s var(--ease);}
.voice-card:hover{border-color:var(--line-active);transform:translateY(-3px);}
.voice-card p{font-size:14.5px;color:var(--txt-1);margin-bottom:12px;}
.voice-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--txt-2);}
.voice-avatar{width:28px;height:28px;border-radius:9px;background:linear-gradient(135deg,rgba(22,224,184,.24),rgba(124,92,255,.24));display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:var(--primary);}
.logo-strip{
  margin-top:44px;padding:20px 24px;border:1px solid var(--line);border-radius:14px;
  background:var(--bg-2);display:flex;flex-wrap:wrap;gap:14px 32px;align-items:center;justify-content:space-between;
}
.logo-strip span{font-size:13.5px;color:var(--txt-2);font-weight:600;letter-spacing:.02em;}

/* 资讯列表 */
.posts-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.posts-head .section-head{margin-bottom:0;}
.posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:14px;overflow:hidden;
  display:flex;flex-direction:column;box-shadow:var(--shadow-inset);
  transition:all .26s var(--ease);
}
.post-card:hover{border-color:var(--line-active);transform:translateY(-3px);box-shadow:var(--shadow-glow);}
.post-cover{display:block;aspect-ratio:16/10;background:#121821;overflow:hidden;}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.post-card:hover .post-cover img{transform:scale(1.03);}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.badge{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(124,92,255,.16);color:#B8A8FF;border:1px solid rgba(124,92,255,.3);
}
.post-body h3{font-size:16.5px;line-height:1.5;transition:color .22s var(--ease);}
.post-card:hover .post-body h3{color:var(--primary);}
.post-body h3 a{color:inherit;}
.post-excerpt{font-size:14px;color:var(--txt-1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{margin-top:auto;padding-top:12px;border-top:1px solid rgba(36,48,63,.7);font-size:13px;color:var(--txt-2);display:flex;align-items:center;justify-content:space-between;}
.post-card-wide{grid-column:span 2;}
.post-card-wide .post-cover{aspect-ratio:16/8;}
.post-card-wide .post-body h3{font-size:20px;}
.empty-state{
  grid-column:1/-1;min-height:240px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  border:1px dashed var(--line);border-radius:14px;background:var(--bg-2);text-align:center;padding:32px;
}
.empty-state svg{width:48px;height:48px;opacity:.55;}
.empty-state p{color:var(--txt-1);font-size:15px;}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:.85fr 1.5fr;gap:52px;align-items:start;}
.faq-aside h2{font-size:clamp(24px,3.4vw,34px);margin-bottom:16px;}
.faq-aside p{color:var(--txt-1);font-size:15.5px;margin-bottom:24px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  border:1px solid var(--line);border-radius:14px;background:var(--bg-2);
  overflow:hidden;transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.faq-item[open]{border-color:var(--line-active);box-shadow:0 0 0 1px rgba(22,224,184,.16),0 10px 26px rgba(0,0,0,.36);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:0 22px;min-height:56px;
  display:flex;align-items:center;gap:14px;font-size:17px;font-weight:600;color:var(--txt-0);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .faq-idx{font-size:13px;color:var(--txt-2);font-weight:700;flex:none;}
.faq-item summary .faq-arrow{
  margin-left:auto;width:9px;height:9px;flex:none;
  border-right:2px solid var(--txt-1);border-bottom:2px solid var(--txt-1);
  transform:rotate(45deg);transition:transform .24s var(--ease),border-color .24s var(--ease);
}
.faq-item[open] summary .faq-arrow{transform:rotate(225deg);border-color:var(--primary);}
.faq-item[open] summary{color:var(--primary);}
.faq-answer{padding:0 22px 22px 52px;color:var(--txt-1);font-size:15.5px;}

/* 底部 CTA */
.cta-block{
  position:relative;border-radius:var(--radius-block);overflow:hidden;
  border:1px solid var(--line);background:linear-gradient(120deg,var(--bg-3),var(--bg-1) 62%);
  padding:52px;display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:center;
}
.cta-block::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--primary),var(--secondary),var(--accent));
}
.cta-block h2{font-size:clamp(24px,3.4vw,34px);margin-bottom:14px;}
.cta-block p{color:var(--txt-1);font-size:15.5px;margin-bottom:26px;max-width:520px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}
.cta-form{display:flex;gap:10px;background:var(--bg-1);border:1px solid var(--line);border-radius:14px;padding:18px;}
.cta-form input{
  flex:1;min-width:0;height:48px;padding:0 16px;border-radius:10px;
  background:var(--bg-0);border:1px solid var(--line);color:var(--txt-0);
  font-size:15px;font-family:inherit;transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.cta-form input::placeholder{color:var(--txt-2);}
.cta-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(22,224,184,.18);}
.cta-form-note{font-size:12.5px;color:var(--txt-2);margin-top:12px;}

/* 页脚 */
.site-footer{background:var(--bg-0);border-top:1px solid var(--line);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--txt-0);margin-bottom:16px;}
.footer-col p{font-size:14px;color:var(--txt-1);}
.footer-col h4{font-size:14px;font-weight:700;color:var(--txt-0);margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;}
.footer-links a{
  font-size:14px;color:var(--txt-1);line-height:34px;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.footer-links a:hover{color:var(--primary);transform:translateX(2px);}
.footer-contact li{font-size:14px;color:var(--txt-1);line-height:1.9;display:flex;gap:8px;}
.footer-contact li b{color:var(--txt-0);font-weight:600;flex:none;}
.footer-bottom{
  margin-top:56px;border-top:1px solid var(--line);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between;
}
.footer-bottom p{font-size:13px;color:var(--txt-2);}
.footer-compliance{
  border-top:1px solid var(--line);padding:16px 0 26px;font-size:12.5px;color:var(--txt-2);
  display:flex;flex-wrap:wrap;gap:8px 20px;
}

/* 悬浮胶囊 & 移动端底条 */
.float-pill{
  position:fixed;right:24px;bottom:24px;z-index:50;display:none;
  align-items:center;gap:10px;padding:12px 18px;border-radius:999px;
  background:rgba(16,23,32,.94);border:1px solid var(--line-active);
  box-shadow:0 14px 34px rgba(0,0,0,.5);font-size:14px;font-weight:600;color:var(--txt-0);
}
.float-pill:hover{color:var(--primary);transform:translateY(-2px);}
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:55;
  background:rgba(16,23,32,.96);border-top:1px solid var(--line-active);
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  gap:10px;align-items:center;
}
.mobile-bar .btn{flex:1;height:46px;font-size:14.5px;}

body{padding-bottom:0;}
@media (min-width:1024px){
  .mobile-bar{display:none;}
  .float-pill{display:inline-flex;}
}
@media (max-width:1023px){
  .nav-main,.nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .mobile-bar{display:flex;}
  .site-footer{padding-bottom:72px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual,.hero-visual img{min-height:340px;}
  .quick-grid{grid-template-columns:repeat(2,1fr);}
  .feature-grid{grid-template-columns:1fr;}
  .feature-side{padding-top:0;}
  .steps-wrap{grid-template-columns:1fr;gap:32px;}
  .step-media{position:static;}
  .stat-row{grid-template-columns:repeat(2,1fr);}
  .voice-grid{grid-template-columns:1fr;}
  .voice-side{padding-top:0;}
  .posts-grid{grid-template-columns:repeat(2,1fr);}
  .post-card-wide{grid-column:span 2;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .cta-block{grid-template-columns:1fr;padding:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .container{padding:0 16px;}
  .posts-grid{grid-template-columns:1fr;}
  .post-card-wide{grid-column:span 1;}
  .post-card-wide .post-cover{aspect-ratio:16/10;}
  .stat-row{grid-template-columns:1fr 1fr;gap:14px;}
  .hero{padding:48px 0 64px;}
  .hero-actions .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .cta-form{flex-direction:column;}
  .cta-form .btn{width:100%;}
  .quick-grid{grid-template-columns:1fr;}
  .faq-item summary{padding:0 16px;font-size:16px;}
  .faq-answer{padding:0 16px 20px 16px;}
  .footer-grid{grid-template-columns:1fr;}
  .mega-panel{display:none;}
}
@media (max-width:520px){
  .brand{font-size:16px;}
  .trust-row{gap:14px;}
  .stat-row{grid-template-columns:1fr;}
}

/* roulang page: category1 */
:root{
  --c-primary:#16E0B8;
  --c-primary-lit:#37E9C6;
  --c-secondary:#7C5CFF;
  --c-accent:#FF6A2B;
  --bg-0:#0B0F14;
  --bg-1:#101720;
  --bg-2:#151C26;
  --bg-3:#1C2635;
  --tx-1:#E8EEF6;
  --tx-2:#9AA7B8;
  --tx-3:#66748A;
  --bd:#24303F;
  --bd-active:rgba(22,224,184,.30);
  --r-card:14px;
  --r-block:20px;
  --r-btn:10px;
  --shadow-card:inset 0 1px 0 rgba(255,255,255,.04);
  --shadow-hover:0 0 0 1px rgba(22,224,184,.35), 0 12px 32px rgba(0,0,0,.45);
  --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(--tx-1);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:10px 10px;
  -webkit-mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 68%);
  mask-image:radial-gradient(circle at 50% 0%,#000 0%,transparent 68%);
}
img{max-width:100%;display:block;height:auto}
a{color:var(--tx-2);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;letter-spacing:0}
p{margin:0 0 1.05em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:8px}

.topline{height:2px;background:linear-gradient(90deg,var(--c-primary),var(--c-secondary));position:relative;z-index:5}

.notice-bar{
  background:var(--bg-1);border-bottom:1px solid var(--bd);
  font-size:13.5px;color:var(--tx-2);position:relative;z-index:4;
}
.notice-bar .container{display:flex;align-items:center;gap:12px;min-height:38px}
.notice-bar b{color:var(--c-primary);font-weight:600}
.notice-bar .notice-close{margin-left:auto;background:none;border:0;color:var(--tx-3);font-size:16px;cursor:pointer;line-height:1;padding:4px}
.notice-bar .notice-close:hover{color:var(--c-primary)}

.container{max-width:var(--container);margin:0 auto;padding:0 24px;width:100%}

/* ------------------ header / nav ------------------ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(11,15,20,.94);
  border-bottom:1px solid var(--bd);
  box-shadow:0 1px 0 rgba(255,255,255,.02);
}
.header-inner{display:flex;align-items:center;gap:24px;min-height:70px}
.logo{display:flex;align-items:center;gap:10px;color:var(--tx-1);font-weight:800;font-size:18px;letter-spacing:0}
.logo:hover{color:var(--tx-1)}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--c-primary),var(--c-secondary));
  color:#06110E;font-weight:800;font-size:17px;flex:none;
}
.nav-main{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-link{
  position:relative;background:none;border:0;cursor:pointer;
  color:var(--tx-2);font-size:15.5px;font-weight:600;
  padding:8px 0;display:inline-flex;align-items:center;gap:6px;
  transition:color .2s ease;text-decoration:none;font-family:inherit;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-secondary));
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-link:hover,.nav-link:focus-visible{color:var(--c-primary)}
.nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(1)}
.nav-link.active{color:var(--c-primary)}
.nav-link.active::after{transform:scaleX(1)}
.nav-arrow{width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-1px)}
.nav-mega{position:relative}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:780px;
  background:var(--bg-1);border:1px solid var(--bd);border-radius:16px;
  padding:24px;box-shadow:0 24px 48px rgba(0,0,0,.5);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s ease;
  z-index:60;
}
.mega-panel::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;border-radius:16px 16px 0 0;
  background:linear-gradient(90deg,var(--c-primary),var(--c-secondary));
}
.nav-mega:hover .mega-panel,.nav-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px}
.mega-title{font-size:12.5px;letter-spacing:.08em;color:var(--tx-3);font-weight:600;margin:0 0 12px}
.mega-cats{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mega-cat{
  display:block;padding:12px;border:1px solid var(--bd);border-radius:12px;
  background:var(--bg-2);transition:.22s;
}
.mega-cat:hover{border-color:var(--bd-active);transform:translateY(-2px)}
.mega-cat b{display:block;color:var(--tx-1);font-size:14.5px;margin:6px 0 2px}
.mega-cat span:last-child{display:block;font-size:12.5px;color:var(--tx-3);line-height:1.6}
.mc-icon{
  width:26px;height:26px;border-radius:8px;display:grid;place-items:center;font-size:13px;font-weight:700;
  background:rgba(22,224,184,.12);color:var(--c-primary);
}
.mega-posts{display:grid;gap:8px}
.mega-post{
  display:block;padding:10px 12px;border-radius:12px;border:1px solid transparent;
  background:var(--bg-2);transition:.2s;
}
.mega-post:hover{border-color:var(--bd-active)}
.mega-post b{display:block;color:var(--tx-1);font-size:14px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mega-post span{font-size:12px;color:var(--tx-3)}
.mega-cta{
  margin-top:20px;padding-top:16px;border-top:1px solid var(--bd);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.mega-cta p{margin:0;font-size:13.5px;color:var(--tx-2)}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:40px;border-radius:10px;
  border:1px solid var(--bd);background:var(--bg-2);cursor:pointer;
  flex-direction:column;justify-content:center;align-items:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--tx-1);border-radius:2px}
.nav-toggle:hover{border-color:var(--bd-active)}
.nav-backdrop{display:none}

/* ------------------ buttons ------------------ */
.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:600;border:1px solid transparent;cursor:pointer;
  text-decoration:none;transition:transform .2s ease,background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--c-primary);color:#06110E;box-shadow:0 0 0 0 rgba(22,224,184,0)}
.btn-primary:hover{background:var(--c-primary-lit);color:#06110E;transform:translateY(-2px);box-shadow:0 0 0 4px rgba(22,224,184,.14),0 12px 28px rgba(0,0,0,.4)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:var(--bd);color:var(--tx-1);background:transparent}
.btn-outline:hover{border-color:var(--c-primary);background:rgba(22,224,184,.12);color:#fff;transform:translateY(-2px)}
.btn-ghost{color:var(--tx-2);background:transparent;padding:0 6px;height:auto}
.btn-ghost:hover{color:var(--c-primary);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:999px}
.btn-block{width:100%}

/* ------------------ hero ------------------ */
.hero-cat{
  position:relative;z-index:1;min-height:360px;display:flex;align-items:center;
  padding:56px 0;
  background-image:
    linear-gradient(100deg,rgba(11,15,20,.97) 0%,rgba(11,15,20,.88) 42%,rgba(11,15,20,.62) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--bd);
}
.hero-inner{max-width:820px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--tx-3);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:var(--tx-2)}
.breadcrumb em{font-style:normal;color:var(--c-primary)}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;background:rgba(124,92,255,.16);color:#B8A6FF;
  border:1px solid rgba(124,92,255,.35);
}
.hero-cat h1{
  font-size:clamp(30px,4.6vw,46px);margin:16px 0 14px;font-weight:800;
}
.hero-sub{font-size:17px;color:var(--tx-2);max-width:640px}
.hero-actions{display:flex;gap:12px;margin-top:26px;flex-wrap:wrap}
.trust-row{display:flex;gap:22px;margin-top:28px;flex-wrap:wrap}
.trust-row li{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--tx-2)}
.trust-row .dot{width:8px;height:8px;border-radius:2px;background:var(--c-primary);display:inline-block;flex:none}

/* ------------------ sections ------------------ */
.section{padding:96px 0;position:relative;z-index:1}
.section-alt{background:var(--bg-1);border-top:1px solid var(--bd);border-bottom:1px solid var(--bd)}
.section-head{max-width:720px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--c-primary);margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--c-primary),var(--c-secondary))}
.section-head h2{font-size:clamp(24px,3.2vw,34px);margin-bottom:12px}
.section-head p{color:var(--tx-2);font-size:16px;margin:0}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:44px}
.head-row .section-head{margin-bottom:0}

/* ------------------ metric strip ------------------ */
.metric-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border:1px solid var(--bd);border-radius:var(--r-block);background:var(--bg-2);
  overflow:hidden;
}
.metric{padding:26px 24px;border-right:1px solid var(--bd)}
.metric:last-child{border-right:0}
.metric b{display:block;font-size:clamp(26px,3vw,36px);font-weight:800;color:var(--c-primary);line-height:1.2}
.metric span{display:block;font-size:13.5px;color:var(--tx-2);margin-top:6px}
.metric:nth-child(2) b{color:#B8A6FF}
.metric:nth-child(4) b{color:var(--tx-1);font-size:clamp(18px,2vw,22px)}

/* ------------------ grid entries ------------------ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.entry-card{
  background:var(--bg-2);border:1px solid var(--bd);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-card);transition:.25s;
}
.entry-card:hover{border-color:var(--bd-active);box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.entry-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  font-size:17px;font-weight:800;color:#06110E;
  background:linear-gradient(135deg,var(--c-primary),#0FB79A);
  margin-bottom:16px;
}
.entry-card:nth-child(3n+2) .entry-icon{background:linear-gradient(135deg,#9B84FF,var(--c-secondary));color:#0B0716}
.entry-card:nth-child(3n) .entry-icon{background:linear-gradient(135deg,#FF9A63,var(--c-accent));color:#20100A}
.entry-card h3{font-size:18px;margin-bottom:8px}
.entry-card p{font-size:14.5px;color:var(--tx-2);margin:0}

/* ------------------ steps ------------------ */
.step-row{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;margin-bottom:56px}
.step-row:last-child{margin-bottom:0}
.step-row.reverse .step-media{order:2}
.step-media{
  border:1px solid var(--bd);border-radius:var(--r-block);overflow:hidden;
  background:#121821;aspect-ratio:16/10;box-shadow:var(--shadow-card);
}
.step-media img{width:100%;height:100%;object-fit:cover}
.step-body{position:relative}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;
  border-radius:10px;background:rgba(22,224,184,.12);color:var(--c-primary);
  font-weight:800;font-size:15px;margin-bottom:14px;
}
.step-body h3{font-size:clamp(19px,2.1vw,24px);margin-bottom:10px}
.step-body p{color:var(--tx-2);font-size:15.5px;margin:0 0 12px}
.step-list{display:grid;gap:8px}
.step-list li{position:relative;padding-left:18px;font-size:14px;color:var(--tx-2)}
.step-list li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;
  background:var(--c-secondary);
}

/* ------------------ compare ------------------ */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-card{
  background:var(--bg-2);border:1px solid var(--bd);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow-card);
}
.compare-card.is-warn{border-color:rgba(255,106,43,.35)}
.compare-card h3{font-size:18px;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;background:rgba(22,224,184,.12);color:var(--c-primary);
}
.tag-warn{background:rgba(255,106,43,.14);color:#FF9A63}
.compare-list{display:grid;gap:14px}
.compare-list li{border-top:1px solid var(--bd);padding-top:14px}
.compare-list li:first-child{border-top:0;padding-top:0}
.compare-list b{display:block;font-size:15px;color:var(--tx-1);margin-bottom:4px}
.compare-list span{font-size:14px;color:var(--tx-2)}

/* ------------------ faq ------------------ */
.faq-wrap{display:grid;grid-template-columns:320px 1fr;gap:40px;align-items:start}
.faq-aside h2{font-size:clamp(24px,3vw,32px);margin-bottom:14px}
.faq-aside p{color:var(--tx-2);font-size:15px;margin-bottom:20px}
.faq-list{display:grid;gap:12px}
.faq-item{
  border:1px solid var(--bd);border-radius:var(--r-card);background:var(--bg-2);
  overflow:hidden;transition:.22s;
}
.faq-item[open]{border-color:var(--bd-active);box-shadow:var(--shadow-hover)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;min-height:56px;
  display:flex;align-items:center;gap:14px;font-size:16.5px;font-weight:700;color:var(--tx-1);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .q-no{color:var(--c-primary);font-size:14px;font-weight:700;flex:none}
.faq-item summary .arrow{
  margin-left:auto;width:9px;height:9px;flex:none;
  border-right:2px solid var(--tx-3);border-bottom:2px solid var(--tx-3);
  transform:rotate(45deg);transition:transform .25s ease,border-color .25s ease;
}
.faq-item[open] summary .arrow{transform:rotate(-135deg);border-color:var(--c-primary)}
.faq-item summary:hover{color:var(--c-primary)}
.faq-body{padding:0 24px 22px 62px;color:var(--tx-2);font-size:15px}
.faq-body p{margin:0 0 .7em}
.faq-body p:last-child{margin-bottom:0}

/* ------------------ cta ------------------ */
.cta-band{
  background:linear-gradient(120deg,#0E1620 0%,#141C29 55%,#101720 100%);
  border:1px solid var(--bd);border-radius:var(--r-block);
  padding:48px;display:grid;grid-template-columns:1.25fr 1fr;gap:36px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-secondary));
}
.cta-band h2{font-size:clamp(22px,2.8vw,30px);margin-bottom:12px}
.cta-band p{color:var(--tx-2);font-size:15.5px;margin:0}
.cta-actions{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap}
.cta-form{display:flex;gap:10px}
.input{
  flex:1;height:48px;border-radius:var(--r-btn);border:1px solid var(--bd);
  background:var(--bg-0);color:var(--tx-1);padding:0 16px;font-size:15px;
  font-family:inherit;transition:border-color .2s ease,box-shadow .2s ease;
}
.input::placeholder{color:var(--tx-3)}
.input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(22,224,184,.18)}
.form-note{font-size:12.5px;color:var(--tx-3);margin-top:10px}

/* ------------------ related ------------------ */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  display:flex;flex-direction:column;background:var(--bg-2);
  border:1px solid var(--bd);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow-card);transition:.25s;
}
.post-card:hover{border-color:var(--bd-active);box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.post-media{aspect-ratio:16/10;background:#121821;overflow:hidden}
.post-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .post-media img{transform:scale(1.03)}
.post-body{padding:20px 22px 24px}
.post-body h3{font-size:17px;margin:10px 0 8px}
.post-card:hover .post-body h3{color:var(--c-primary)}
.post-body p{font-size:14px;color:var(--tx-2);margin:0 0 12px}
.post-meta{font-size:12.5px;color:var(--tx-3)}

/* ------------------ footer ------------------ */
.site-footer{
  background:var(--bg-0);border-top:1px solid var(--bd);
  padding:72px 0 32px;position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--tx-1);margin-bottom:14px}
.footer-col p{font-size:14px;color:var(--tx-2);margin:0}
.footer-col h4{font-size:14.5px;margin-bottom:14px;color:var(--tx-1)}
.footer-links{display:grid;gap:2px}
.footer-links a{display:block;line-height:34px;font-size:14px;transition:transform .2s ease,color .2s ease}
.footer-links a:hover{color:var(--c-primary);transform:translateX(2px)}
.footer-contact li{font-size:14px;color:var(--tx-2);line-height:1.9}
.footer-contact b{color:var(--tx-1);font-weight:600}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--bd);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--tx-3);
}
.footer-bottom p{margin:0}
.footer-compliance{
  margin-top:12px;display:flex;gap:20px;flex-wrap:wrap;font-size:12.5px;color:var(--tx-3);
}

/* ------------------ mobile convert bar ------------------ */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:rgba(16,23,32,.94);border-top:1px solid rgba(22,224,184,.45);
  padding:8px 16px calc(8px + env(safe-area-inset-bottom));
  gap:10px;
}
.mobile-bar .btn{height:44px;font-size:14px}
.mobile-bar .btn-primary{flex:1}
.float-pill{
  display:none;position:fixed;right:28px;bottom:28px;z-index:70;
  background:var(--bg-1);border:1px solid var(--bd-active);border-radius:999px;
  padding:12px 20px;box-shadow:0 12px 32px rgba(0,0,0,.5);
  color:var(--tx-1);font-size:14px;font-weight:600;gap:8px;align-items:center;
}
.float-pill:hover{color:var(--c-primary)}

/* ------------------ responsive ------------------ */
@media (max-width:1279px){
  .container{padding:0 24px}
}
@media (max-width:1023px){
  .nav-toggle{display:flex}
  .nav-main{
    position:fixed;top:0;right:0;height:100vh;width:88vw;max-width:380px;
    background:var(--bg-1);border-left:1px solid var(--bd);
    flex-direction:column;align-items:stretch;gap:0;
    padding:88px 24px 40px;overflow-y:auto;z-index:80;
    transform:translateX(102%);transition:transform .28s ease;margin-left:0;
  }
  .nav-open .nav-main{transform:translateX(0)}
  .nav-main .nav-link{
    width:100%;justify-content:space-between;padding:16px 0;font-size:16px;
    border-bottom:1px solid var(--bd);
  }
  .nav-main .nav-link::after{display:none}
  .nav-mega{width:100%}
  .mega-panel{
    position:static;width:auto;opacity:1;visibility:visible;transform:none;
    box-shadow:none;border:0;background:transparent;padding:10px 0 4px;border-radius:0;
  }
  .mega-panel::before{display:none}
  .mega-grid{grid-template-columns:1fr;gap:20px}
  .nav-backdrop{
    display:none;position:fixed;inset:0;background:rgba(4,7,10,.68);z-index:75;
  }
  .nav-open .nav-backdrop{display:block}
  .section{padding:64px 0}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .cta-band{grid-template-columns:1fr;padding:36px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .mobile-bar{display:flex}
  body{padding-bottom:72px}
}
@media (max-width:767px){
  .grid-3{grid-template-columns:1fr}
  .step-row{grid-template-columns:1fr;gap:20px}
  .step-row.reverse .step-media{order:0}
  .compare{grid-template-columns:1fr}
  .metric-strip{grid-template-columns:1fr 1fr}
  .metric{border-bottom:1px solid var(--bd)}
  .metric:nth-child(2n){border-right:0}
  .metric:nth-child(3),.metric:nth-child(4){border-bottom:0}
  .related-grid{grid-template-columns:1fr}
  .head-row{align-items:flex-start}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .hero-cat{min-height:0;padding:44px 0}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .cta-form{flex-direction:column}
  .cta-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .faq-body{padding:0 20px 20px 20px}
  .faq-item summary{padding:18px 20px;font-size:15.5px}
  .footer-bottom{flex-direction:column}
}

/* roulang page: article */
:root{
    --bg:#0B0F14; --panel:#101720; --card:#151C26; --raise:#1C2635;
    --line:#24303F; --line-on:rgba(22,224,184,.35);
    --txt:#E8EEF6; --sub:#9AA7B8; --faint:#66748A;
    --brand:#16E0B8; --brand2:#7C5CFF; --spot:#FF6A2B;
    --r-card:14px; --r-block:20px; --r-btn:10px;
    --shadow:0 12px 32px rgba(0,0,0,.45);
    --inset:0 1px 0 rgba(255,255,255,.04) inset;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;background:var(--bg);color:var(--txt);
    font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
    font-size:17px;line-height:1.8;
    font-variant-numeric:tabular-nums;
    background-image:
      linear-gradient(rgba(255,255,255,.032) 1px,transparent 1px),
      linear-gradient(90deg,rgba(255,255,255,.032) 1px,transparent 1px);
    background-size:12px 12px;
  }
  img{max-width:100%;display:block;}
  a{color:var(--sub);text-decoration:none;transition:color .18s ease;}
  a:hover{color:var(--brand);}
  a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
  button{font:inherit;border:0;background:none;color:inherit;cursor:pointer;}
  h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:800;letter-spacing:0;}
  p{margin:0 0 1.15em;}
  ul,ol{margin:0 0 1.15em;padding-left:1.2em;}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
  .grad-line{height:2px;background:linear-gradient(90deg,var(--brand),var(--brand2));}

  /* 公告条 */
  .topbar{background:var(--panel);border-bottom:1px solid var(--line);}
  .topbar-inner{display:flex;align-items:center;gap:12px;min-height:36px;font-size:13px;color:var(--sub);}
  .topbar-dot{width:6px;height:6px;border-radius:999px;background:var(--brand);flex:0 0 auto;box-shadow:0 0 0 3px rgba(22,224,184,.16);}
  .topbar-inner b{color:var(--txt);font-weight:600;}
  .topbar-close{margin-left:auto;color:var(--faint);font-size:12px;border:1px solid var(--line);border-radius:999px;padding:2px 10px;}
  .topbar-close:hover{color:var(--brand);border-color:var(--line-on);}

  /* 头部导航 */
  .site-header{position:sticky;top:0;z-index:70;background:rgba(11,15,20,.92);border-bottom:1px solid var(--line);}
  .header-inner{display:flex;align-items:center;gap:20px;height:68px;}
  .brand{display:flex;align-items:center;gap:10px;color:var(--txt);font-weight:800;font-size:18px;white-space:nowrap;}
  .brand:hover{color:var(--txt);}
  .brand-mark{
    width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
    background:linear-gradient(140deg,var(--brand),var(--brand2));color:#062018;font-weight:800;font-size:17px;
  }
  .nav-main{margin-left:auto;display:flex;align-items:center;gap:8px;}
  .nav-link{
    position:relative;display:inline-flex;align-items:center;gap:6px;
    padding:8px 12px;border-radius:var(--r-btn);
    font-size:15px;font-weight:600;color:var(--sub);white-space:nowrap;
  }
  .nav-link::after{
    content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
    background:linear-gradient(90deg,var(--brand),var(--brand2));transform:scaleX(0);transform-origin:left;transition:transform .18s ease;
  }
  .nav-link:hover{color:var(--brand);background:rgba(22,224,184,.08);}
  .nav-link:hover::after{transform:scaleX(1);}
  .nav-link.active{color:var(--brand);background:rgba(22,224,184,.1);}
  .nav-link.active::after{transform:scaleX(1);}
  .nav-arrow{width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg) translateY(-2px);}
  .nav-mega{position:relative;}
  .mega-panel{
    position:absolute;right:0;top:calc(100% + 12px);width:780px;
    background:var(--panel);border:1px solid var(--line);border-radius:16px;
    box-shadow:var(--shadow);padding:22px;
    opacity:0;visibility:hidden;transform:translateY(8px);transition:all .14s ease;
  }
  .mega-panel::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand2));border-radius:16px 16px 0 0;}
  .nav-mega:hover .mega-panel,.nav-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
  .mega-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;}
  .mega-title{font-size:12px;letter-spacing:.08em;color:var(--faint);margin-bottom:10px;font-weight:600;}
  .mega-cats{display:grid;gap:8px;}
  .mega-cat{display:grid;grid-template-columns:28px 1fr;gap:10px;align-items:center;padding:10px;border:1px solid var(--line);border-radius:12px;background:var(--card);}
  .mega-cat b{display:block;font-size:14px;color:var(--txt);font-weight:600;}
  .mega-cat span{display:block;font-size:12px;color:var(--faint);line-height:1.5;}
  .mc-icon{grid-row:span 2;width:28px;height:28px;border-radius:9px;display:grid;place-items:center;font-size:13px;font-weight:700;background:rgba(22,224,184,.12);color:var(--brand);}
  .mega-cat:hover{border-color:var(--line-on);}
  .mega-cat:hover b{color:var(--brand);}
  .mega-posts{display:grid;gap:8px;}
  .mega-post{display:block;padding:10px 12px;border-radius:12px;border:1px solid transparent;background:var(--card);}
  .mega-post b{display:block;font-size:14px;font-weight:600;color:var(--txt);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .mega-post span{font-size:12px;color:var(--faint);}
  .mega-post:hover{border-color:var(--line-on);}
  .mega-post:hover b{color:var(--brand);}
  .mega-cta{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:18px;padding:12px 16px;border-radius:12px;background:rgba(124,92,255,.12);border:1px solid rgba(124,92,255,.35);}
  .mega-cta p{margin:0;font-size:13px;color:var(--sub);}
  .nav-toggle{display:none;margin-left:auto;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;place-items:center;}
  .nav-toggle span{display:block;width:18px;height:2px;background:var(--txt);border-radius:2px;position:relative;}
  .nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--txt);border-radius:2px;}
  .nav-toggle span::before{top:-6px;}
  .nav-toggle span::after{top:6px;}
  .drawer{
    display:none;border-top:1px solid var(--line);background:var(--panel);
    padding:14px 0 20px;
  }
  .drawer.open{display:block;}
  .drawer a{display:block;padding:12px 4px;border-bottom:1px solid var(--line);font-size:15px;font-weight:600;color:var(--sub);}
  .drawer a.active{color:var(--brand);}

  /* 按钮 */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
    border:1px solid transparent;transition:all .18s ease;white-space:nowrap;
  }
  .btn-primary{background:var(--brand);color:#062018;}
  .btn-primary:hover{background:#28eabf;color:#062018;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(22,224,184,.5),0 10px 26px rgba(22,224,184,.22);}
  .btn-primary:active{transform:translateY(0);}
  .btn-ghost{background:transparent;border-color:var(--line);color:var(--txt);}
  .btn-ghost:hover{background:rgba(22,224,184,.12);border-color:var(--brand);color:var(--brand);}
  .btn-link{color:var(--brand);padding:0;border:0;font-weight:600;}
  .btn-link:hover{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;}
  .btn-pill{border-radius:999px;}

  /* 面包屑与标题区 */
  .article-hero{padding:28px 0 26px;background:linear-gradient(180deg,#101720,#0B0F14);border-bottom:1px solid var(--line);}
  .breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--faint);margin-bottom:16px;}
  .breadcrumb a{color:var(--sub);}
  .breadcrumb .sep{color:var(--line);}
  .breadcrumb .current{max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--sub);}
  .article-title{font-size:clamp(26px,3.6vw,40px);font-weight:800;color:var(--txt);margin-bottom:16px;max-width:960px;}
  .meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;font-size:14px;color:var(--faint);}
  .badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:600;background:rgba(124,92,255,.14);color:#b7a6ff;border:1px solid rgba(124,92,255,.32);}
  .badge-line{background:rgba(22,224,184,.12);color:var(--brand);border-color:rgba(22,224,184,.32);}
  .meta-item{display:inline-flex;align-items:center;gap:6px;}

  /* 布局 */
  .article-layout{padding:44px 0 72px;}
  .layout-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start;}
  .article-main{max-width:840px;min-width:0;}

  /* 正文排版 */
  .article-body{font-size:17px;line-height:1.85;color:#D7E0EC;}
  .article-body > *:first-child{margin-top:0;}
  .article-body p{margin:0 0 1.15em;}
  .article-body h2{
    font-size:clamp(20px,2.4vw,26px);font-weight:800;color:var(--txt);
    margin:2.5em 0 .8em;padding-left:14px;position:relative;
  }
  .article-body h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;background:linear-gradient(180deg,var(--brand),var(--brand2));}
  .article-body h3{font-size:20px;font-weight:700;color:var(--txt);margin:2em 0 .6em;}
  .article-body h4{font-size:17px;font-weight:700;color:var(--txt);margin:1.6em 0 .5em;}
  .article-body ul,.article-body ol{margin:0 0 1.15em;padding-left:1.4em;}
  .article-body li{margin:.4em 0;}
  .article-body ul li::marker{color:var(--brand);}
  .article-body ol li::marker{color:var(--brand);font-weight:600;}
  .article-body a{color:var(--brand);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px;}
  .article-body a:hover{color:#5cf3d2;}
  .article-body blockquote{
    margin:1.6em 0;padding:14px 20px;border-left:3px solid var(--brand);
    background:rgba(22,224,184,.06);border-radius:0 12px 12px 0;color:#C9D5E4;
  }
  .article-body blockquote p:last-child{margin-bottom:0;}
  .article-body img{border-radius:12px;margin:1.6em auto;}
  .article-body figure{margin:1.8em 0;}
  .article-body figcaption{text-align:center;font-size:13.5px;color:var(--faint);margin-top:10px;}
  .article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.6em 0;}
  .article-body .table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:12px;}
  .article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left;}
  .article-body th{background:var(--raise);color:var(--txt);font-weight:600;}
  .article-body tbody tr:nth-child(even){background:rgba(255,255,255,.02);}
  .article-body code{background:var(--raise);padding:2px 6px;border-radius:6px;font-size:14.5px;color:#8ff5de;}
  .article-body pre{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px;overflow:auto;}
  .article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0;}
  .hint,.warn{
    display:block;margin:1.6em 0;padding:14px 18px;border-radius:12px;font-size:15.5px;line-height:1.75;
  }
  .hint{background:rgba(22,224,184,.08);border:1px solid rgba(22,224,184,.3);color:#B9EBDD;}
  .warn{background:rgba(255,106,43,.09);border:1px solid rgba(255,106,43,.32);color:#FFCDB5;}

  /* 空态 */
  .empty-state{
    min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
    text-align:center;border:1px dashed var(--line);border-radius:var(--r-block);background:var(--panel);padding:36px 20px;
  }
  .empty-state .es-icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:var(--raise);color:var(--faint);font-size:20px;}
  .empty-state p{color:var(--sub);margin:0;}

  /* 侧栏 */
  .side-col{display:grid;gap:20px;position:sticky;top:92px;}
  .side-card{border:1px solid var(--line);border-radius:var(--r-card);background:var(--card);padding:20px;box-shadow:var(--inset);}
  .side-card h3{font-size:15px;font-weight:700;color:var(--txt);margin:0 0 14px;display:flex;align-items:center;gap:8px;}
  .side-card h3::before{content:"";width:4px;height:14px;border-radius:3px;background:linear-gradient(180deg,var(--brand),var(--brand2));}
  .toc-list{list-style:none;margin:0;padding:0;display:grid;gap:2px;}
  .toc-list a{display:block;font-size:14px;color:var(--sub);padding:7px 10px;border-radius:8px;border-left:2px solid transparent;line-height:1.5;}
  .toc-list a:hover{color:var(--brand);background:rgba(22,224,184,.08);border-left-color:var(--brand);}
  .toc-list .lvl-3 a{padding-left:22px;font-size:13.5px;color:var(--faint);}
  .rel-mini{display:grid;gap:10px;}
  .rel-mini a{display:block;padding:11px 12px;border:1px solid var(--line);border-radius:11px;background:var(--raise);}
  .rel-mini b{display:block;font-size:14px;font-weight:600;color:var(--txt);line-height:1.55;}
  .rel-mini span{font-size:12px;color:var(--faint);}
  .rel-mini a:hover{border-color:var(--line-on);}
  .rel-mini a:hover b{color:var(--brand);}
  .cta-card{background:linear-gradient(150deg,#131C28,#101720);border-color:rgba(22,224,184,.3);}
  .cta-card p{font-size:14px;color:var(--sub);margin:0 0 16px;}
  .cta-card .btn{width:100%;}

  /* 标签 */
  .tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:40px 0 0;padding-top:24px;border-top:1px solid var(--line);}
  .tag{font-size:13px;color:var(--sub);border:1px solid var(--line);border-radius:999px;padding:5px 14px;background:var(--card);}
  .tag:hover{color:var(--brand);border-color:var(--line-on);}

  /* 相关推荐 */
  .section-block{padding:64px 0;border-top:1px solid var(--line);}
  .section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:26px;}
  .section-head h2{font-size:clamp(20px,2.4vw,26px);font-weight:800;color:var(--txt);}
  .section-head p{margin:6px 0 0;font-size:14px;color:var(--faint);}
  .rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
  .rel-card{border:1px solid var(--line);border-radius:var(--r-card);background:var(--card);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--inset);transition:all .2s ease;}
  .rel-thumb{aspect-ratio:16/10;background:#121821;overflow:hidden;}
  .rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
  .rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;}
  .rel-body b{font-size:16px;font-weight:700;color:var(--txt);line-height:1.55;}
  .rel-body p{margin:0;font-size:14px;color:var(--sub);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .rel-body span{font-size:12.5px;color:var(--faint);}
  .rel-card:hover{border-color:var(--line-on);box-shadow:var(--shadow);transform:translateY(-3px);}
  .rel-card:hover .rel-thumb img{transform:scale(1.03);}
  .rel-card:hover b{color:var(--brand);}

  /* 上下篇 */
  .pn-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .pn-card{display:block;padding:20px 22px;border:1px solid var(--line);border-radius:var(--r-card);background:var(--card);}
  .pn-card span{font-size:12.5px;color:var(--faint);display:block;margin-bottom:8px;}
  .pn-card b{font-size:15.5px;font-weight:600;color:var(--txt);line-height:1.6;}
  .pn-card:hover{border-color:var(--line-on);}
  .pn-card:hover b{color:var(--brand);}
  .back-cat{margin-top:26px;}

  /* 底部 CTA */
  .final-cta{padding:64px 0 80px;}
  .final-cta-inner{
    border:1px solid var(--line);border-radius:var(--r-block);
    background:linear-gradient(130deg,#131C28,#0E141C);
    padding:44px;display:grid;grid-template-columns:1.2fr .8fr;gap:28px;align-items:center;position:relative;overflow:hidden;
  }
  .final-cta-inner::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand2));}
  .final-cta h2{font-size:clamp(22px,2.8vw,30px);font-weight:800;color:var(--txt);margin-bottom:12px;}
  .final-cta p{color:var(--sub);margin:0;}
  .final-form{display:flex;gap:12px;}
  .final-form input{
    flex:1;height:48px;padding:0 16px;border-radius:var(--r-btn);
    background:#0D1319;border:1px solid var(--line);color:var(--txt);font-size:15px;
  }
  .final-form input::placeholder{color:var(--faint);}
  .final-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,224,184,.18);}

  /* 页脚 */
  .site-footer{background:var(--bg);border-top:1px solid var(--line);padding:56px 0 24px;}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
  .footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--txt);margin-bottom:14px;}
  .footer-col p{font-size:14px;color:var(--sub);line-height:1.8;margin:0;}
  .footer-col h4{font-size:14px;font-weight:700;color:var(--txt);margin:0 0 14px;}
  .footer-links{display:grid;gap:2px;}
  .footer-links a{display:inline-block;font-size:14px;color:var(--sub);line-height:34px;transition:all .16s ease;}
  .footer-links a:hover{color:var(--brand);transform:translateX(2px);}
  .footer-contact{list-style:none;margin:0;padding:0;font-size:14px;color:var(--sub);}
  .footer-contact li{line-height:34px;}
  .footer-contact b{color:var(--txt);font-weight:600;}
  .footer-bottom{margin-top:36px;padding-top:20px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13.5px;color:var(--faint);}
  .footer-bottom p{margin:0;}
  .footer-compliance{margin-top:12px;display:flex;flex-wrap:wrap;gap:10px 24px;font-size:12.5px;color:var(--faint);}

  /* 底部固定转化条 */
  .fixed-bar{
    position:fixed;left:0;right:0;bottom:0;z-index:80;display:flex;gap:10px;
    padding:8px 12px calc(8px + env(safe-area-inset-bottom));
    background:rgba(16,23,32,.94);border-top:1px solid var(--line-on);
  }
  .fixed-bar .btn{flex:1;padding:12px 10px;font-size:14.5px;}
  .float-pill{display:none;}
  body{padding-bottom:76px;}

  @media (min-width:1024px){
    .fixed-bar{display:none;}
    body{padding-bottom:0;}
    .float-pill{
      display:flex;position:fixed;right:24px;bottom:24px;z-index:80;align-items:center;gap:12px;
      padding:10px 14px;border-radius:999px;background:rgba(16,23,32,.96);
      border:1px solid var(--line-on);box-shadow:var(--shadow);
    }
    .float-pill span{font-size:13.5px;color:var(--sub);}
  }

  @media (max-width:1023px){
    .nav-main,.mega-panel{display:none;}
    .nav-toggle{display:grid;}
    .layout-grid{grid-template-columns:minmax(0,1fr);gap:36px;}
    .side-col{position:static;}
    .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
    .final-cta-inner{grid-template-columns:1fr;padding:32px;}
    .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  }
  @media (max-width:767px){
    .container{padding:0 16px;}
    .article-hero{padding:20px 0 22px;}
    .article-layout{padding:32px 0 56px;}
    .section-block{padding:44px 0;}
    .final-cta{padding:44px 0 64px;}
    .rel-grid{grid-template-columns:minmax(0,1fr);}
    .pn-grid{grid-template-columns:minmax(0,1fr);}
    .final-form{flex-direction:column;}
    .final-form .btn{width:100%;}
    .breadcrumb .current{max-width:100%;}
  }
  @media (max-width:520px){
    body{font-size:16px;}
    .footer-grid{grid-template-columns:minmax(0,1fr);}
    .meta-row{font-size:13px;}
    .side-card{padding:16px;}
  }

/* roulang page: category2 */
:root{
  --bg-0:#0B0F14;
  --bg-1:#101720;
  --bg-2:#151C26;
  --bg-3:#1C2635;
  --text-1:#E8EEF6;
  --text-2:#9AA7B8;
  --text-3:#66748A;
  --line:#24303F;
  --line-active:rgba(22,224,184,.30);
  --main:#16E0B8;
  --main-soft:rgba(22,224,184,.12);
  --purple:#7C5CFF;
  --accent:#FF6A2B;
  --radius-card:14px;
  --radius-block:20px;
  --radius-btn:10px;
  --shadow-inset:0 1px 0 rgba(255,255,255,.04) inset;
  --shadow-hover:0 0 0 1px rgba(22,224,184,.35), 0 12px 32px rgba(0,0,0,.45);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Helvetica Neue",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
  padding-bottom:72px;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size:10px 10px;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--text-2);text-decoration:none;transition:color .2s ease, border-color .2s ease, background-color .2s ease, transform .2s ease;}
a:hover{color:var(--main);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
p{margin:0 0 1.15em;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:0;line-height:1.3;}
:focus-visible{outline:2px solid var(--main);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(22,224,184,.28);color:#fff;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--bg-0);}
::-webkit-scrollbar-thumb{background:#25313F;border-radius:99px;border:2px solid var(--bg-0);}
::-webkit-scrollbar-thumb:hover{background:#33455A;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1;}

/* ---------- 顶部公告 ---------- */
.topbar{
  background:linear-gradient(90deg, rgba(22,224,184,.12), rgba(124,92,255,.14));
  border-bottom:1px solid var(--line);
  font-size:13px;
  color:var(--text-2);
  position:relative;
  z-index:2;
}
.topbar-inner{display:flex;align-items:center;gap:14px;min-height:36px;}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--main);flex:none;box-shadow:0 0 0 4px rgba(22,224,184,.15);}
.topbar-text{flex:1;text-align:left;line-height:1.5;}
.topbar-close{width:22px;height:22px;line-height:1;border-radius:6px;color:var(--text-3);font-size:15px;transition:.2s;}
.topbar-close:hover{background:rgba(255,255,255,.06);color:var(--text-1);}

/* ---------- 头部与导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(11,15,20,.92);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(140%) blur(6px);
}
.site-header::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--main),var(--purple));
}
.header-inner{display:flex;align-items:center;gap:24px;min-height:68px;}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--text-1);white-space:nowrap;}
.brand:hover{color:var(--text-1);}
.brand-mark{
  width:32px;height:32px;flex:none;
  border-radius:9px;
  background:linear-gradient(135deg,var(--main),var(--purple));
  color:#08110D;
  display:grid;place-items:center;
  font-size:16px;font-weight:800;
}
.nav-main{display:flex;align-items:center;gap:28px;margin-left:auto;}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
  padding:8px 0;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:linear-gradient(90deg,var(--main),var(--purple));
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease;
  border-radius:2px;
}
.nav-link:hover{color:var(--main);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--text-1);}
.nav-link.active::after{transform:scaleX(1);}
.nav-arrow{
  width:6px;height:6px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;
  transform:rotate(45deg) translate(-1px,-1px);transition:transform .2s ease;
}
.nav-mega{position:relative;}
.nav-mega:hover .nav-arrow,.nav-mega:focus-within .nav-arrow{transform:rotate(225deg) translate(-1px,-1px);}
.mega-panel{
  position:absolute;
  top:calc(100% + 12px);
  right:0;
  width:820px;
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:16px;
  padding:22px;
  opacity:0;
  visibility:hidden;
  transform:translateY(8px);
  transition:opacity .12s ease, transform .12s ease, visibility .12s;
  box-shadow:0 24px 60px rgba(0,0,0,.6);
  overflow:hidden;
}
.mega-panel::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--main),var(--purple));
}
.nav-mega:hover .mega-panel,
.nav-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:22px;}
.mega-title{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--text-3);margin:0 0 12px;}
.mega-cats{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.mega-cat{
  display:grid;
  grid-template-columns:32px 1fr;
  grid-template-rows:auto auto;
  gap:2px 10px;
  padding:12px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--bg-2);
  transition:.2s ease;
}
.mega-cat:hover{border-color:var(--line-active);background:var(--bg-3);transform:translateY(-2px);}
.mc-icon{
  grid-row:1/3;
  width:32px;height:32px;border-radius:8px;
  display:grid;place-items:center;
  background:rgba(22,224,184,.12);
  color:var(--main);font-size:13px;font-weight:700;
}
.mega-cat b{font-size:14px;color:var(--text-1);font-weight:700;}
.mega-cat span{font-size:12px;color:var(--text-3);line-height:1.5;}
.mega-posts{display:flex;flex-direction:column;gap:8px;}
.mega-post{
  display:block;
  padding:10px 12px;
  border-radius:10px;
  border:1px solid transparent;
  transition:.2s ease;
}
.mega-post:hover{background:var(--bg-2);border-color:var(--line);}
.mega-post b{display:block;font-size:13.5px;color:var(--text-1);font-weight:600;line-height:1.5;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.mega-post span{font-size:12px;color:var(--text-3);}
.mega-cta{
  grid-column:1/-1;
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.mega-cta p{margin:0;font-size:13px;color:var(--text-2);}
.nav-toggle{display:none;margin-left:auto;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;flex-direction:column;justify-content:center;align-items:center;gap:4px;}
.nav-toggle span{width:16px;height:2px;background:var(--text-1);border-radius:2px;transition:.2s;}
.nav-toggle-input{position:absolute;opacity:0;pointer-events:none;width:0;height:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  transition:transform .18s ease, box-shadow .18s ease, background-color .18s ease, color .18s ease, border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--main);color:#05130F;box-shadow:0 6px 20px rgba(22,224,184,.18);}
.btn-primary:hover{background:#2AE6C1;color:#05130F;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(22,224,184,.5), 0 14px 30px rgba(22,224,184,.22);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--text-1);}
.btn-ghost:hover{background:var(--main-soft);border-color:var(--main);color:var(--main);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-pill{border-radius:999px;}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 面包屑 ---------- */
.crumbs{padding:22px 0 0;font-size:13.5px;color:var(--text-3);}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumbs li{display:flex;align-items:center;gap:8px;min-width:0;}
.crumbs li+li::before{content:"›";color:var(--text-3);}
.crumbs a{color:var(--text-2);}
.crumbs span{color:var(--text-1);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;
  margin-top:20px;
  border:1px solid var(--line);
  border-radius:var(--radius-block);
  overflow:hidden;
  background:var(--bg-1);
  min-height:340px;
  display:flex;
  align-items:flex-end;
}
.cat-hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  opacity:.42;
}
.cat-hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(100deg, rgba(11,15,20,.96) 0%, rgba(11,15,20,.86) 46%, rgba(16,23,32,.62) 100%);
}
.cat-hero-inner{position:relative;z-index:2;padding:48px 44px;max-width:760px;}
.cat-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;
  color:var(--main);
  background:rgba(22,224,184,.10);
  border:1px solid rgba(22,224,184,.28);
  border-radius:999px;
  padding:5px 12px;
  margin-bottom:18px;
}
.cat-hero h1{
  font-size:clamp(28px,3.6vw,42px);
  font-weight:800;
  color:#fff;
  margin-bottom:16px;
}
.cat-hero .lead{
  font-size:16.5px;
  color:var(--text-2);
  max-width:620px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px;}
.fact{
  display:flex;align-items:center;gap:8px;
  padding:8px 14px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(21,28,38,.72);
  font-size:13px;
  color:var(--text-2);
}
.fact b{color:var(--text-1);font-weight:700;}
.fact i{width:6px;height:6px;border-radius:50%;background:var(--main);display:block;}

/* ---------- 区块通用 ---------- */
.section{padding:72px 0;}
.section.tight{padding:56px 0;}
.section.alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:36px;max-width:760px;}
.section-head .eyebrow{
  font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--main);margin-bottom:10px;display:block;
}
.section-head h2{font-size:clamp(22px,2.6vw,32px);color:var(--text-1);margin-bottom:12px;}
.section-head p{color:var(--text-2);font-size:16px;margin:0;}

/* ---------- 主布局：粘性目录 + 内容 ---------- */
.layout{display:grid;grid-template-columns:262px minmax(0,1fr);gap:40px;align-items:start;}
.toc{position:sticky;top:96px;}
.toc-card{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--bg-1);
  padding:20px;
  box-shadow:var(--shadow-inset);
}
.toc-title{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--text-3);margin-bottom:14px;}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:flex;align-items:center;gap:10px;
  padding:9px 10px;
  border-radius:9px;
  font-size:14.5px;
  color:var(--text-2);
  border-left:2px solid transparent;
  transition:.2s ease;
}
.toc-list a:hover{background:var(--bg-2);color:var(--main);border-left-color:var(--main);transform:translateX(2px);}
.toc-list a.is-active{color:var(--main);background:rgba(22,224,184,.08);border-left-color:var(--main);}
.toc-num{font-size:12px;color:var(--text-3);font-weight:700;min-width:16px;}
.toc-note{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);line-height:1.7;}
.toc-note b{color:var(--text-1);}

/* ---------- 内容块 ---------- */
.content-block{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--bg-1);
  padding:30px 32px;
  margin-bottom:24px;
  box-shadow:var(--shadow-inset);
  scroll-margin-top:96px;
  position:relative;
  overflow:hidden;
}
.content-block::after{
  content:"";
  position:absolute;top:0;left:0;width:64px;height:1px;
  background:linear-gradient(90deg,var(--main),transparent);
}
.content-block h2{
  font-size:clamp(20px,2.2vw,26px);
  color:var(--text-1);
  margin-bottom:14px;
  padding-left:14px;
  position:relative;
}
.content-block h2::before{
  content:"";
  position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;
  background:linear-gradient(180deg,var(--main),var(--purple));
}
.content-block h3{font-size:19px;color:var(--text-1);margin:26px 0 10px;}
.content-block p{color:var(--text-2);font-size:16px;}
.content-block strong{color:var(--text-1);font-weight:700;}

/* 参数卡 */
.param-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:22px;}
.param{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--bg-2);
  padding:20px;
  transition:.2s ease;
}
.param:hover{border-color:var(--line-active);background:var(--bg-3);transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.param-top{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.param-icon{
  width:34px;height:34px;border-radius:9px;flex:none;
  display:grid;place-items:center;
  background:rgba(124,92,255,.16);
  color:#B7A6FF;
  font-size:13px;font-weight:700;
}
.param h3{font-size:16px;margin:0;color:var(--text-1);}
.param dl{margin:0;display:grid;gap:8px;}
.param dt{font-size:12.5px;color:var(--text-3);}
.param dd{margin:0;font-size:14px;color:var(--text-2);line-height:1.6;}

/* 场景对照行 */
.scene-list{display:flex;flex-direction:column;gap:12px;margin-top:22px;}
.scene-row{
  display:grid;
  grid-template-columns:minmax(0,1fr) 28px minmax(0,1.1fr);
  align-items:center;
  gap:14px;
  padding:16px 18px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--bg-2);
  transition:.2s ease;
}
.scene-row:hover{border-color:var(--line-active);background:var(--bg-3);}
.scene-row .cond{font-size:15px;color:var(--text-1);font-weight:600;line-height:1.6;}
.scene-row .arrow{
  width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(22,224,184,.12);
  color:var(--main);font-size:14px;font-weight:700;
}
.scene-row .act{font-size:14.5px;color:var(--text-2);line-height:1.6;}

/* 流程 */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:24px;position:relative;}
.flow-step{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--bg-2);
  padding:20px 18px;
  position:relative;
  transition:.2s ease;
}
.flow-step:hover{border-color:var(--line-active);transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.flow-num{
  font-size:26px;font-weight:800;color:var(--main);
  line-height:1;margin-bottom:12px;
  font-variant-numeric:tabular-nums;
}
.flow-step h3{font-size:15.5px;margin:0 0 8px;color:var(--text-1);}
.flow-step p{font-size:13.8px;color:var(--text-3);margin:0;line-height:1.7;}

/* 状态卡 */
.status-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px;margin-top:22px;}
.status{
  border:1px solid var(--line);
  border-left:3px solid var(--purple);
  border-radius:12px;
  background:var(--bg-2);
  padding:18px 20px;
}
.status.ok{border-left-color:var(--main);}
.status.wait{border-left-color:var(--accent);}
.status h3{font-size:15.5px;margin:0 0 8px;color:var(--text-1);}
.status p{font-size:14px;color:var(--text-3);margin:0;line-height:1.7;}

/* 提示块 */
.note{
  border-radius:12px;
  padding:16px 18px;
  margin:20px 0 0;
  font-size:14.5px;
  line-height:1.7;
  display:flex;
  gap:12px;
  align-items:flex-start;
}
.note-info{background:rgba(22,224,184,.08);border:1px solid rgba(22,224,184,.28);color:#B9F3E6;}
.note-warn{background:rgba(255,106,43,.08);border:1px solid rgba(255,106,43,.32);color:#FFC7AC;}
.note b{display:block;margin-bottom:2px;color:inherit;}
.note i{flex:none;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-size:12px;font-style:normal;background:rgba(255,255,255,.12);}

/* 双列差异卡 */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:26px;}
.compare-card{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--bg-2);
  padding:24px;
  transition:.2s ease;
}
.compare-card:hover{border-color:var(--line-active);box-shadow:var(--shadow-hover);}
.compare-card.solid{background:linear-gradient(160deg,rgba(22,224,184,.10),rgba(21,28,38,1) 60%);}
.compare-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;}
.compare-head h3{margin:0;font-size:18px;color:var(--text-1);}
.badge{
  display:inline-flex;align-items:center;
  padding:4px 11px;border-radius:999px;
  font-size:12px;font-weight:600;
  border:1px solid var(--line);
  color:var(--text-2);
  background:rgba(255,255,255,.03);
}
.badge-mint{color:var(--main);border-color:rgba(22,224,184,.3);background:rgba(22,224,184,.09);}
.badge-violet{color:#B7A6FF;border-color:rgba(124,92,255,.35);background:rgba(124,92,255,.12);}
.check-list{display:flex;flex-direction:column;gap:10px;}
.check-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-2);line-height:1.65;}
.check-list li::before{
  content:"";
  flex:none;
  width:16px;height:16px;margin-top:5px;
  border-radius:5px;
  background:rgba(22,224,184,.16);
  border:1px solid rgba(22,224,184,.4);
}

/* 数据条 */
.stat-bar{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--radius-block);
  overflow:hidden;
  margin-bottom:36px;
}
.stat{background:var(--bg-1);padding:24px 22px;}
.stat .num{font-size:30px;font-weight:800;color:var(--main);line-height:1.1;font-variant-numeric:tabular-nums;}
.stat .label{font-size:13.5px;color:var(--text-3);margin-top:6px;}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:300px minmax(0,1fr);gap:44px;align-items:start;}
.faq-side h2{font-size:clamp(22px,2.6vw,30px);color:var(--text-1);margin-bottom:14px;}
.faq-side p{color:var(--text-2);font-size:15px;margin-bottom:20px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--bg-1);
  overflow:hidden;
  transition:border-color .2s ease, background-color .2s ease;
}
.faq-item[open]{border-color:var(--line-active);background:var(--bg-2);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  min-height:58px;
  padding:16px 56px 16px 20px;
  font-size:16.5px;
  font-weight:700;
  color:var(--text-1);
  display:flex;
  align-items:center;
  gap:12px;
  position:relative;
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--main);}
.faq-item summary .q-no{font-size:12.5px;color:var(--text-3);font-weight:700;min-width:20px;}
.faq-item summary::after{
  content:"";
  position:absolute;right:22px;top:50%;
  width:8px;height:8px;
  border-right:2px solid var(--text-3);
  border-bottom:2px solid var(--text-3);
  transform:translateY(-70%) rotate(45deg);
  transition:transform .22s ease, border-color .22s ease;
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(225deg);border-color:var(--main);}
.faq-item .answer{padding:0 20px 20px;color:var(--text-2);font-size:15px;line-height:1.8;}
.faq-item .answer p:last-child{margin-bottom:0;}

/* 内链卡片组 */
.link-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.link-card{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--bg-1);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:.2s ease;
}
.link-card:hover{border-color:var(--line-active);transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.link-thumb{position:relative;aspect-ratio:16/10;background:#121821;overflow:hidden;}
.link-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.link-card:hover .link-thumb img{transform:scale(1.03);}
.link-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.link-body h3{font-size:17px;color:var(--text-1);transition:color .2s ease;}
.link-card:hover .link-body h3{color:var(--main);}
.link-body p{font-size:14px;color:var(--text-3);margin:0;line-height:1.7;}
.link-more{margin-top:auto;font-size:14px;font-weight:600;color:var(--main);display:inline-flex;align-items:center;gap:6px;}

/* CTA */
.cta-band{
  border:1px solid var(--line);
  border-radius:var(--radius-block);
  background:linear-gradient(120deg,#0E1620 0%, #131E2C 55%, #0E1620 100%);
  padding:44px;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:28px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--main),var(--purple));
}
.cta-band h2{font-size:clamp(20px,2.4vw,28px);color:var(--text-1);margin-bottom:10px;}
.cta-band p{color:var(--text-2);font-size:15.5px;margin:0;}
.cta-form{display:flex;gap:10px;margin-top:18px;max-width:440px;}
.cta-form input{
  flex:1;
  height:46px;
  padding:0 14px;
  border-radius:var(--radius-btn);
  border:1px solid var(--line);
  background:var(--bg-1);
  color:var(--text-1);
  font-size:14.5px;
  transition:.2s ease;
}
.cta-form input::placeholder{color:var(--text-3);}
.cta-form input:focus{outline:none;border-color:var(--main);box-shadow:0 0 0 3px rgba(22,224,184,.18);}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-0);
  border-top:1px solid var(--line);
  margin-top:24px;
  padding-top:56px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:var(--text-1);margin-bottom:14px;}
.footer-col p{font-size:14px;color:var(--text-3);line-height:1.8;margin:0;}
.footer-col h4{font-size:14px;color:var(--text-1);margin-bottom:14px;font-weight:700;}
.footer-links{display:flex;flex-direction:column;gap:0;}
.footer-links a{display:block;line-height:34px;font-size:14px;color:var(--text-2);transition:.2s ease;}
.footer-links a:hover{color:var(--main);transform:translateX(2px);}
.footer-contact li{font-size:14px;color:var(--text-3);line-height:1.9;}
.footer-contact b{color:var(--text-2);font-weight:600;}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
}
.footer-bottom p{margin:0;font-size:13px;color:var(--text-3);}
.footer-compliance{
  border-top:1px solid var(--line);
  padding:16px 0 26px;
  display:flex;flex-wrap:wrap;gap:16px;
  font-size:12.5px;color:var(--text-3);
}

/* ---------- 底部固定转化条 ---------- */
.mobile-bar{
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:70;
  background:rgba(16,23,32,.94);
  border-top:1px solid var(--line-active);
  padding:8px 14px calc(8px + env(safe-area-inset-bottom));
  display:none;
  gap:10px;
  align-items:center;
}
.mobile-bar .btn{min-height:44px;font-size:14.5px;}
.mobile-bar .btn-primary{flex:1;}
.float-pill{
  position:fixed;
  right:26px;bottom:26px;
  z-index:70;
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 12px 10px 16px;
  border-radius:999px;
  background:rgba(16,23,32,.94);
  border:1px solid var(--line-active);
  box-shadow:0 14px 34px rgba(0,0,0,.5);
}
.float-pill span{font-size:13.5px;color:var(--text-2);}
.float-pill .btn{min-height:36px;font-size:13.5px;padding:0 15px;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .mega-panel{width:720px;}
}
@media (max-width:1023px){
  body{padding-bottom:76px;}
  .nav-toggle{display:flex;}
  .nav-main{
    position:fixed;
    top:0;right:0;
    width:88vw;
    max-width:380px;
    height:100vh;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    background:var(--bg-1);
    border-left:1px solid var(--line);
    padding:92px 20px 36px;
    overflow-y:auto;
    transform:translateX(102%);
    transition:transform .28s ease;
    z-index:60;
    margin-left:0;
  }
  .nav-toggle-input:checked ~ .nav-main{transform:translateX(0);}
  .nav-link{padding:13px 0;font-size:16px;border-bottom:1px solid var(--line);width:100%;justify-content:space-between;}
  .nav-link::after{display:none;}
  .nav-link.active{color:var(--main);}
  .nav-mega{width:100%;}
  .nav-mega .nav-link{width:100%;}
  .mega-panel{
    position:static;
    width:100%;
    opacity:1;visibility:visible;transform:none;
    box-shadow:none;
    padding:14px;
    margin-bottom:8px;
    border-radius:12px;
  }
  .mega-grid{grid-template-columns:1fr;gap:16px;}
  .layout{grid-template-columns:1fr;gap:26px;}
  .toc{position:static;}
  .toc-list{flex-direction:row;flex-wrap:wrap;gap:8px;}
  .toc-list a{border:1px solid var(--line);border-left:1px solid var(--line);border-radius:999px;padding:7px 14px;font-size:13.5px;}
  .toc-list a:hover,.toc-list a.is-active{transform:none;}
  .faq-wrap{grid-template-columns:1fr;gap:24px;}
  .cta-band{grid-template-columns:1fr;padding:34px 26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .float-pill{display:none;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .cat-hero-inner{padding:34px 22px;}
  .hero-actions .btn{width:100%;}
  .content-block{padding:24px 20px;}
  .flow{grid-template-columns:1fr;gap:14px;}
  .flow::before{
    content:"";
    position:absolute;left:16px;top:8px;bottom:8px;width:2px;
    background:linear-gradient(180deg,var(--main),rgba(124,92,255,.35));
    border-radius:2px;
  }
  .flow-step{padding-left:46px;}
  .scene-row{grid-template-columns:1fr;gap:10px;}
  .scene-row .arrow{transform:rotate(90deg);}
  .stat-bar{grid-template-columns:1fr 1fr;}
  .compare{grid-template-columns:1fr;}
  .link-cards{grid-template-columns:1fr;}
  .cta-form{flex-direction:column;max-width:none;}
  .cta-form .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .mobile-bar{display:flex;}
}
@media (max-width:519px){
  body{font-size:16px;}
  .cat-hero h1{font-size:26px;}
  .stat{width:100%;}
  .stat-bar{grid-template-columns:1fr;}
  .header-inner{min-height:62px;gap:12px;}
  .brand{font-size:16px;}
  .brand-mark{width:28px;height:28px;font-size:14px;border-radius:8px;}
}

/* roulang page: category3 */
:root{
  --brand:#16E0B8;
  --brand-2:#7C5CFF;
  --accent:#FF6A2B;
  --bg:#0B0F14;
  --bg-2:#101720;
  --card:#151C26;
  --layer:#1C2635;
  --text:#E8EEF6;
  --text-2:#9AA7B8;
  --text-3:#66748A;
  --line:#24303F;
  --line-active:rgba(22,224,184,.32);
  --r-card:14px;
  --r-block:20px;
  --r-btn:10px;
  --shadow-card:0 1px 0 rgba(255,255,255,.04) inset;
  --shadow-hover:0 0 0 1px rgba(22,224,184,.35), 0 12px 32px rgba(0,0,0,.45);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:12px 12px;
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
a{color:var(--text-2);text-decoration:none;transition:color .2s ease,transform .2s ease}
a:hover{color:var(--brand)}
img{max-width:100%;display:block}
button,input{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
::selection{background:rgba(22,224,184,.28)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.sec{padding:88px 0}
.sec-tight{padding:64px 0}
.sec-title{font-size:clamp(24px,3.4vw,34px);font-weight:800;line-height:1.35;letter-spacing:0}
.sec-desc{color:var(--text-2);font-size:16px;margin-top:12px;max-width:62ch}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);letter-spacing:0}
.eyebrow::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2));border-radius:2px}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* header */
.site-header{position:sticky;top:0;z-index:60;background:rgba(11,15,20,.97);border-bottom:1px solid var(--line)}
.site-header::before{content:"";display:block;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2))}
.topbar{border-bottom:1px solid rgba(36,48,63,.7);background:rgba(16,23,32,.6)}
.topbar-inner{display:flex;align-items:center;gap:10px;height:36px;font-size:13px;color:var(--text-3)}
.topbar-dot{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 3px rgba(22,224,184,.15);flex:0 0 auto}
.topbar-inner p{flex:1;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.topbar-close{color:var(--text-3);font-size:18px;line-height:1;padding:4px 6px;border-radius:6px}
.topbar-close:hover{color:var(--brand)}
.nav-wrap{background:transparent}
.nav-inner{display:flex;align-items:center;gap:30px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--text);letter-spacing:0}
.brand:hover{color:var(--text)}
.brand-mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#06121A;display:grid;place-items:center;font-size:17px;font-weight:800}
.brand-text{white-space:nowrap}
.nav-main{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-link{position:relative;font-size:15px;font-weight:600;color:var(--text-2);padding:8px 0;white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2));transform:scaleX(0);transform-origin:left;transition:transform .22s ease;border-radius:2px}
.nav-link:hover,.nav-link.active{color:var(--brand)}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1)}
.nav-arrow{width:7px;height:7px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:rotate(45deg) translate(-2px,-2px);transition:transform .2s ease}
.nav-mega{position:relative}
.nav-mega:hover .nav-arrow,.nav-mega:focus-within .nav-arrow{transform:rotate(225deg) translate(-2px,-2px)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:820px;max-width:calc(100vw - 48px);
  background:var(--bg-2);border:1px solid var(--line);border-radius:16px;padding:22px;
  box-shadow:0 22px 48px rgba(0,0,0,.55);
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .16s ease,transform .16s ease,visibility .16s;
  overflow:hidden;
}
.mega-panel::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2))}
.nav-mega:hover .mega-panel,.nav-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px}
.mega-title{font-size:12px;font-weight:700;letter-spacing:.06em;color:var(--text-3);text-transform:none;margin-bottom:12px}
.mega-cats{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mega-cat{display:grid;grid-template-columns:26px 1fr;grid-template-rows:auto auto;column-gap:10px;padding:11px 12px;border:1px solid var(--line);border-radius:12px;background:var(--card);transition:.2s}
.mega-cat:hover{border-color:var(--line-active);transform:translateY(-2px);color:var(--text-2)}
.mc-icon{grid-row:span 2;width:26px;height:26px;border-radius:8px;background:rgba(22,224,184,.12);color:var(--brand);display:grid;place-items:center;font-size:13px;font-weight:700}
.mega-cat b{font-size:14px;color:var(--text);font-weight:700}
.mega-cat span:last-child{font-size:12px;color:var(--text-3);line-height:1.5}
.mega-posts{display:flex;flex-direction:column;gap:8px}
.mega-post{display:flex;flex-direction:column;gap:2px;padding:10px 12px;border-radius:12px;border:1px solid transparent;background:var(--card)}
.mega-post:hover{border-color:var(--line-active)}
.mega-post b{font-size:13.5px;color:var(--text);font-weight:600;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mega-post span{font-size:12px;color:var(--text-3)}
.mega-foot{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.mega-foot p{font-size:13px;color:var(--text-2)}
.nav-toggle{display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;margin-left:auto;padding:9px 9px;flex-direction:column;justify-content:space-between}
.nav-toggle span{display:block;height:2px;background:var(--text-2);border-radius:2px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;border-radius:var(--r-btn);padding:12px 22px;border:1px solid transparent;transition:transform .18s ease,background .18s ease,border-color .18s ease,color .18s ease,box-shadow .18s ease;cursor:pointer;white-space:nowrap}
.btn-primary{background:var(--brand);color:#06121A;box-shadow:0 0 0 0 rgba(22,224,184,0)}
.btn-primary:hover{background:#3CEAC8;color:#06121A;transform:translateY(-2px);box-shadow:0 0 0 4px rgba(22,224,184,.16)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{border-color:var(--line);color:var(--text);background:transparent}
.btn-ghost:hover{border-color:var(--brand);background:rgba(22,224,184,.12);color:var(--brand);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-text{color:var(--text-2);padding:8px 0;font-size:14.5px}
.btn-text:hover{color:var(--brand);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px}
.btn-pill{border-radius:999px}
.btn-sm{padding:9px 16px;font-size:14px}

/* hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.34}
.hero-mask{position:absolute;inset:0;background:linear-gradient(115deg,rgba(11,15,20,.96) 22%,rgba(11,15,20,.72) 58%,rgba(16,23,32,.86) 100%)}
.hero-inner{position:relative;padding:52px 0 66px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);flex-wrap:wrap;margin-bottom:26px}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--brand)}
.crumb span.sep{color:var(--text-3);opacity:.6}
.hero h1{font-size:clamp(30px,4.4vw,48px);line-height:1.24;font-weight:800;max-width:20ch}
.hero-sub{margin-top:18px;font-size:17px;color:var(--text-2);max-width:58ch}
.hero-actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}
.trust-row{display:flex;gap:22px;flex-wrap:wrap;margin-top:30px}
.trust-item{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2)}
.trust-item i{width:16px;height:16px;border-radius:5px;background:rgba(22,224,184,.14);border:1px solid rgba(22,224,184,.32);display:inline-block;position:relative}
.trust-item i::after{content:"";position:absolute;inset:4px;border-radius:2px;background:var(--brand);opacity:.85}

/* filter chips */
.filter-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:20px 0 0}
.chip{display:inline-flex;align-items:center;gap:6px;padding:8px 15px;border-radius:999px;border:1px solid var(--line);background:var(--card);font-size:13.5px;font-weight:600;color:var(--text-2);cursor:pointer;transition:.2s}
.chip:hover{border-color:var(--line-active);color:var(--brand);transform:translateY(-1px)}
.chip.is-on{background:rgba(22,224,184,.14);border-color:var(--line-active);color:var(--brand)}
.chip .dot{width:6px;height:6px;border-radius:50%;background:var(--brand-2)}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--shadow-card)}
.stat b{display:block;font-size:clamp(26px,3vw,34px);font-weight:800;color:var(--brand);line-height:1.1;letter-spacing:0}
.stat span{display:block;margin-top:8px;font-size:14px;color:var(--text-2)}

/* knowledge cards */
.k-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.kcard{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-card);transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease}
.kcard:hover{transform:translateY(-4px);border-color:var(--line-active);box-shadow:var(--shadow-hover)}
.kcard-img{aspect-ratio:16/10;background:#121821;overflow:hidden}
.kcard-img img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.kcard:hover .kcard-img img{transform:scale(1.03)}
.kcard-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.badge{display:inline-flex;align-items:center;gap:6px;align-self:flex-start;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600;background:rgba(124,92,255,.16);color:#B7A6FF;border:1px solid rgba(124,92,255,.3)}
.badge-teal{background:rgba(22,224,184,.12);color:var(--brand);border-color:rgba(22,224,184,.3)}
.kcard h3{font-size:18px;font-weight:700;line-height:1.5;transition:color .2s}
.kcard:hover h3{color:var(--brand)}
.kcard p{font-size:14.5px;color:var(--text-2);line-height:1.75}
.kcard .more{margin-top:auto;font-size:13.5px;font-weight:600;color:var(--brand)}

/* steps list */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.step{position:relative;padding:22px 22px 22px 24px;border:1px solid var(--line);border-radius:var(--r-card);background:var(--bg-2)}
.step::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:3px;background:linear-gradient(180deg,var(--brand),var(--brand-2))}
.step b{display:block;font-size:16px;font-weight:700;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--text-2)}
.step em{font-style:normal;display:inline-block;margin-top:10px;font-size:12.5px;color:var(--text-3)}

/* faq */
.faq-layout{display:grid;grid-template-columns:300px 1fr;gap:36px;align-items:start}
.faq-aside{position:sticky;top:120px}
.faq-aside p{margin-top:14px;font-size:15px;color:var(--text-2)}
.faq-aside .aside-card{margin-top:22px;padding:20px;border:1px solid var(--line);border-radius:var(--r-card);background:var(--card)}
.faq-aside .aside-card b{display:block;font-size:15px;margin-bottom:6px}
.faq-aside .aside-card span{display:block;font-size:14px;color:var(--text-2);margin-bottom:14px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-card);background:var(--card);margin-bottom:12px;overflow:hidden;transition:border-color .2s ease}
.faq-item[open]{border-color:var(--line-active)}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:17px 22px;font-size:17px;font-weight:600;color:var(--text);cursor:pointer;list-style:none;min-height:56px}
.faq-q::-webkit-details-marker{display:none}
.faq-q::after{content:"+";flex:0 0 auto;color:var(--brand-2);font-size:20px;font-weight:600;transition:transform .22s ease,color .22s ease}
.faq-item[open] .faq-q::after{transform:rotate(45deg);color:var(--brand)}
.faq-q:hover{color:var(--brand)}
.faq-a{padding:0 22px 20px;font-size:15.5px;color:var(--text-2);line-height:1.85;border-top:1px solid var(--line);padding-top:16px;margin:0 0 0}
.faq-a strong{color:var(--text);font-weight:600}

/* read-more cards */
.rm-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rmcard{display:flex;flex-direction:column;gap:10px;padding:24px;border:1px solid var(--line);border-radius:var(--r-card);background:var(--card);transition:.24s}
.rmcard:hover{transform:translateY(-4px);border-color:var(--line-active);box-shadow:var(--shadow-hover)}
.rmcard .rm-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.rmcard h3{font-size:17px;font-weight:700;line-height:1.5}
.rmcard:hover h3{color:var(--brand)}
.rmcard p{font-size:14.5px;color:var(--text-2)}
.rmcard .rm-meta{font-size:12.5px;color:var(--text-3)}

/* cta */
.cta-block{position:relative;border-radius:var(--r-block);border:1px solid var(--line);background:linear-gradient(120deg,rgba(21,28,38,.95),rgba(11,15,20,.95));overflow:hidden;padding:52px 48px}
.cta-block::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2))}
.cta-block::after{content:"";position:absolute;right:-80px;bottom:-90px;width:280px;height:280px;border-radius:50%;background:radial-gradient(circle,rgba(124,92,255,.28),transparent 68%)}
.cta-inner{position:relative;display:grid;grid-template-columns:1.15fr 1fr;gap:36px;align-items:center}
.cta-inner h2{font-size:clamp(22px,2.8vw,30px);font-weight:800;line-height:1.4}
.cta-inner p{margin-top:12px;color:var(--text-2);font-size:15.5px;max-width:46ch}
.cta-actions{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap}
.cta-form{display:flex;gap:10px;flex-wrap:wrap}
.cta-form input{flex:1 1 240px;height:48px;padding:0 16px;border-radius:var(--r-btn);border:1px solid var(--line);background:#0F1620;color:var(--text)}
.cta-form input::placeholder{color:var(--text-3)}
.cta-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(22,224,184,.18)}

/* footer */
.site-footer{background:var(--bg);border-top:1px solid var(--line);margin-top:0;padding:64px 0 40px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--text);margin-bottom:14px}
.footer-col p{font-size:14.5px;color:var(--text-2);max-width:38ch}
.footer-col h4{font-size:15px;font-weight:700;color:var(--text);margin-bottom:14px}
.footer-links{display:flex;flex-direction:column;gap:2px}
.footer-links a{display:block;line-height:34px;font-size:14.5px;color:var(--text-2);transition:transform .18s ease,color .18s ease}
.footer-links a:hover{color:var(--brand);transform:translateX(2px)}
.footer-contact li{font-size:14.5px;color:var(--text-2);line-height:2}
.footer-contact b{color:var(--text);font-weight:600}
.footer-bottom{margin-top:40px;padding-top:22px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-bottom p{font-size:13.5px;color:var(--text-3)}
.footer-compliance{margin-top:14px;display:flex;gap:22px;flex-wrap:wrap}
.footer-compliance span{font-size:12.5px;color:var(--text-3)}

/* mobile bottom bar */
.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;gap:10px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(16,23,32,.94);border-top:1px solid var(--line-active)}
.mobile-bar .btn{flex:1}
.dock{position:fixed;right:24px;bottom:24px;z-index:70;display:flex;gap:10px;align-items:center;padding:10px 12px;border-radius:999px;background:rgba(16,23,32,.94);border:1px solid var(--line-active);box-shadow:0 12px 32px rgba(0,0,0,.5)}
.dock a{font-size:14px;font-weight:600;color:var(--text);padding:6px 10px}
.dock a:hover{color:var(--brand)}
.dock .dock-note{font-size:12.5px;color:var(--text-3);padding-left:6px;border-left:1px solid var(--line)}

@media (max-width:1023px){
  .nav-main{position:fixed;top:0;right:0;bottom:0;width:88vw;max-width:380px;background:var(--bg-2);border-left:1px solid var(--line);flex-direction:column;align-items:stretch;gap:4px;padding:84px 22px 32px;overflow-y:auto;transform:translateX(105%);transition:transform .26s ease;z-index:80;margin-left:0}
  .nav-main.is-open{transform:translateX(0)}
  .nav-link{padding:14px 0;border-bottom:1px solid var(--line);font-size:16px;justify-content:space-between}
  .nav-link::after{display:none}
  .nav-toggle{display:flex}
  .mega-panel{position:static;width:100%;max-width:none;opacity:1;visibility:visible;transform:none;box-shadow:none;margin-top:10px;display:none}
  .nav-mega.is-open .mega-panel{display:block}
  .mega-grid{grid-template-columns:1fr}
  .faq-layout{grid-template-columns:1fr;gap:24px}
  .faq-aside{position:static}
  .k-grid,.rm-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:1fr}
  .cta-inner{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-block{padding:40px 32px}
  .sec{padding:64px 0}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .hero-inner{padding:36px 0 48px}
  .k-grid,.rm-grid{grid-template-columns:1fr}
  .brand-text{font-size:16px}
  .sec{padding:52px 0}
  .cta-block{padding:32px 22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:639px){
  body{font-size:16px}
  .mobile-bar{display:flex}
  .dock{display:none}
  main{padding-bottom:72px}
  .stats{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .cta-form input,.cta-form .btn{width:100%;flex:1 1 100%}
}