/* roulang page: index */
:root{
  --bg-0:#060910;
  --bg-1:#0B111C;
  --bg-2:#101927;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --glass:rgba(255,255,255,.055);
  --primary:#2EE6C8;
  --primary-deep:#12A78F;
  --accent:#E7A85C;
  --text-1:#E9EEF5;
  --text-2:#A6B2C4;
  --text-3:#6F7C90;
  --ok:#45D483;
  --warn:#F0B24A;
  --err:#F4736C;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-modal:18px;
  --shadow-card:0 18px 40px -20px rgba(0,0,0,.7);
  --shadow-hover:0 24px 56px -22px rgba(0,0,0,.8);
  --ease:.24s ease;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"DIN Alternate","Barlow",Inter,ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text-2);
  background-color:var(--bg-0);
  background-image:
    linear-gradient(rgba(255,255,255,.032) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.032) 1px,transparent 1px);
  background-size:72px 72px;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:var(--text-1);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:700;}
p{margin:0;}
::selection{background:rgba(46,230,200,.22);color:var(--text-1);}
:focus-visible{outline:2px solid rgba(46,230,200,.55);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:96px 0;border-top:1px solid var(--line);}
.section--bg1{background:var(--bg-1);}
.section--bg2{background:var(--bg-2);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head h2{font-size:clamp(22px,2.6vw,32px);font-weight:650;line-height:1.35;}
.section-head .section-note{font-size:14px;color:var(--text-3);max-width:520px;margin-top:10px;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--primary);position:relative;}
.text-link::after{content:"";position:absolute;left:0;bottom:-4px;width:0;height:1px;background:var(--primary);transition:width .2s ease;}
.text-link:hover::after{width:100%;}
.text-link:hover{color:var(--primary);}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 26px;border:1px solid transparent;border-radius:var(--r-btn);font-size:15px;font-weight:600;cursor:pointer;transition:all var(--ease);letter-spacing:.01em;}
.btn-primary{background:linear-gradient(180deg,#46F0D4,#16C4A8);color:#05100E;box-shadow:0 10px 30px -8px rgba(46,230,200,.45),0 0 0 1px rgba(46,230,200,.35);}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.05);box-shadow:0 12px 44px -8px rgba(46,230,200,.6),0 0 0 1px rgba(46,230,200,.5);color:#05100E;}
.btn-primary:active{transform:translateY(0);}
.btn-primary:disabled{opacity:.45;box-shadow:none;cursor:not-allowed;}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.16);color:var(--text-1);}
.btn-ghost:hover{border-color:var(--primary);background:rgba(46,230,200,.06);color:var(--text-1);box-shadow:0 0 24px -10px rgba(46,230,200,.5);}
.btn-lg{min-height:52px;padding:0 30px;}
.btn-sm{min-height:42px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}

/* 徽章 */
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:13px;line-height:1;white-space:nowrap;}
.badge-primary{background:rgba(46,230,200,.10);color:var(--primary);}
.badge-accent{background:rgba(231,168,92,.12);color:var(--accent);}
.badge-muted{background:rgba(255,255,255,.06);color:var(--text-2);}

/* 头部导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(6,9,16,.72);backdrop-filter:blur(14px) saturate(120%);-webkit-backdrop-filter:blur(14px) saturate(120%);border-bottom:1px solid var(--line);transition:height var(--ease),background var(--ease);}
.site-header.is-scrolled{background:rgba(6,9,16,.9);border-bottom-color:var(--line-strong);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;height:72px;transition:height var(--ease);}
.site-header.is-scrolled .header-inner{height:60px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--text-1);letter-spacing:.01em;}
.brand:hover{color:var(--text-1);}
.brand-dot{width:8px;height:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 12px 2px rgba(46,230,200,.65);flex:none;}
.main-nav{display:flex;align-items:center;gap:32px;}
.nav-link{position:relative;padding:8px 0;font-size:15px;color:var(--text-2);transition:color .2s ease;}
.nav-link::after{content:"";position:absolute;left:0;bottom:2px;width:0;height:1px;background:var(--primary);transition:width .2s ease;}
.nav-link:hover,.nav-link.active{color:var(--text-1);}
.nav-link:hover::after,.nav-link.active::after{width:100%;}
.header-actions{display:flex;align-items:center;gap:14px;}
.menu-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;background:transparent;border:1px solid var(--line-strong);border-radius:var(--r-btn);cursor:pointer;transition:border-color var(--ease),background var(--ease);}
.menu-toggle:hover{border-color:var(--primary);background:rgba(46,230,200,.06);}
.menu-toggle span{display:block;width:18px;height:1.5px;background:var(--text-1);margin:3px auto;border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.mobile-panel{position:fixed;inset:0;z-index:80;background:rgba(6,9,16,.98);backdrop-filter:blur(10px);padding:88px 24px 32px;display:none;flex-direction:column;overflow-y:auto;}
.mobile-panel.is-open{display:flex;}
.mobile-panel a.m-nav{font-size:18px;color:var(--text-1);padding:16px 0;border-bottom:1px solid var(--line);opacity:0;transform:translateY(8px);animation:navIn .3s ease forwards;}
.mobile-panel a.m-nav.active{color:var(--primary);}
.mobile-panel a.m-nav:nth-child(2){animation-delay:.06s;}
.mobile-panel a.m-nav:nth-child(3){animation-delay:.12s;}
@keyframes navIn{to{opacity:1;transform:translateY(0);}}
.mobile-close{position:absolute;top:20px;right:20px;width:44px;height:44px;border:1px solid var(--line-strong);border-radius:var(--r-btn);background:transparent;color:var(--text-1);font-size:20px;line-height:1;cursor:pointer;}
.mobile-panel .btn{margin-top:28px;}

/* Hero */
.hero{position:relative;padding:88px 0 80px;overflow:hidden;border-bottom:1px solid var(--line);}
.hero::before{content:"";position:absolute;inset:0;background-image:url("/assets/images/backpic/back-1.webp");background-size:cover;background-position:center;opacity:.24;}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,9,16,.86) 0%,rgba(6,9,16,.72) 45%,rgba(6,9,16,.97) 100%);}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;min-height:520px;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-bottom:22px;}
.hero-eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px 2px rgba(46,230,200,.6);}
.hero h1{font-size:clamp(28px,4.2vw,46px);line-height:1.25;letter-spacing:.01em;font-weight:700;}
.hero h1 em{font-style:normal;color:var(--primary);}
.hero-sub{margin-top:20px;font-size:16px;line-height:1.85;color:var(--text-2);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.trust-line{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:34px;font-size:13px;color:var(--text-3);}
.trust-line span{display:inline-flex;align-items:center;gap:14px;}
.trust-line i{display:inline-block;width:1px;height:12px;background:var(--line-strong);font-style:normal;}
.hero-visual{position:relative;}
.hero-visual .frame{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card);background:var(--bg-2);}
.hero-visual .frame img{width:100%;height:340px;object-fit:cover;border-radius:0;}
.hero-visual .frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,9,16,.12),rgba(6,9,16,.72));}
.hero-visual .float-card{position:absolute;left:-24px;bottom:-26px;padding:18px 22px;border-radius:var(--r-card);background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(18px) saturate(120%);-webkit-backdrop-filter:blur(18px) saturate(120%);box-shadow:var(--shadow-card);}
.hero-visual .float-card b{display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:24px;color:var(--primary);text-shadow:0 0 24px rgba(46,230,200,.35);}
.hero-visual .float-card small{font-size:13px;color:var(--text-3);}

/* 痛点提问 */
.ask-list{border-top:1px solid var(--line);}
.ask-item{display:flex;align-items:center;gap:24px;padding:26px 0;border-bottom:1px solid var(--line);transition:padding-left var(--ease),color var(--ease);}
.ask-item:hover{padding-left:8px;}
.ask-item .num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:14px;color:var(--accent);flex:none;width:34px;}
.ask-item p{flex:1;font-size:17px;color:var(--text-1);line-height:1.7;}
.ask-item .arrow{color:var(--text-3);transition:color var(--ease),transform var(--ease);flex:none;}
.ask-item:hover .arrow{color:var(--primary);transform:translateX(4px);}

/* 方案卡 */
.plan-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:start;}
.plan-card{border-radius:var(--r-card);background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(18px) saturate(120%);-webkit-backdrop-filter:blur(18px) saturate(120%);padding:26px;box-shadow:var(--shadow-card);transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);}
.plan-card:hover{transform:translateY(-2px);border-color:rgba(46,230,200,.28);box-shadow:var(--shadow-hover);}
.plan-card h3{margin:16px 0 12px;font-size:20px;line-height:1.5;}
.plan-card p{font-size:15px;line-height:1.8;color:var(--text-2);}
.plan-card .text-link{margin-top:18px;}
.plan-card .thumb{margin-top:22px;overflow:hidden;border-radius:var(--r-img);border:1px solid var(--line);}
.plan-card .thumb img{width:100%;height:210px;object-fit:cover;border-radius:0;transition:transform .4s ease;}
.plan-card:hover .thumb img{transform:scale(1.03);}
.plan-card--offset{margin-top:40px;}
.plan-card--offset .thumb img{height:170px;}

/* 数据 */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat-item{padding:8px 28px;border-left:1px solid var(--line);}
.stat-item:first-child{border-left:0;padding-left:0;}
.stat-item b{display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:clamp(28px,3.4vw,40px);font-weight:700;color:var(--primary);text-shadow:0 0 24px rgba(46,230,200,.35);line-height:1.2;}
.stat-item b i{font-style:normal;font-size:16px;color:var(--accent);margin-left:4px;}
.stat-item span{display:block;margin-top:10px;font-size:13px;color:var(--text-3);}
.stat-foot{margin-top:34px;font-size:13px;color:var(--text-3);border-top:1px solid var(--line);padding-top:18px;}

/* 内容列表 */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{display:flex;flex-direction:column;padding:24px;border-radius:var(--r-card);background:var(--bg-2);border:1px solid var(--line);transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);}
.post-card:hover{transform:translateY(-2px);border-color:rgba(46,230,200,.28);box-shadow:var(--shadow-hover);}
.post-card h3{margin:16px 0 10px;font-size:17px;line-height:1.55;color:var(--text-1);}
.post-card h3 a{color:var(--text-1);}
.post-card h3 a:hover{color:var(--primary);}
.post-card p{font-size:14px;line-height:1.75;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{display:flex;align-items:center;gap:12px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.empty-state{grid-column:1/-1;min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;border:1px dashed var(--line-strong);border-radius:var(--r-card);background:var(--bg-2);text-align:center;padding:32px;}
.empty-state svg{opacity:.7;}
.empty-state p{font-size:15px;color:var(--text-3);}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 0;background:transparent;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--text-1);cursor:pointer;min-height:44px;}
.faq-q:hover{color:var(--primary);}
.faq-icon{flex:none;width:26px;height:26px;border:1px solid var(--line-strong);border-radius:50%;position:relative;transition:border-color var(--ease),transform var(--ease);}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;background:var(--text-2);transform:translate(-50%,-50%);transition:background var(--ease),transform var(--ease);}
.faq-icon::before{width:11px;height:1.5px;}
.faq-icon::after{width:1.5px;height:11px;}
.faq-item.is-open .faq-icon{border-color:var(--primary);transform:rotate(90deg);}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--primary);}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease;}
.faq-a p{padding:0 0 22px;font-size:15px;line-height:1.8;color:var(--text-2);}

/* 表单 CTA */
.cta-grid{display:grid;grid-template-columns:5fr 7fr;gap:44px;align-items:start;}
.cta-points li{display:flex;gap:14px;padding:14px 0;font-size:15px;color:var(--text-2);border-bottom:1px solid var(--line);}
.cta-points li:last-child{border-bottom:0;}
.cta-points .sq{flex:none;width:8px;height:8px;margin-top:11px;background:var(--primary);border-radius:2px;box-shadow:0 0 10px 1px rgba(46,230,200,.5);}
.form-card{padding:28px;border-radius:var(--r-card);background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(18px) saturate(120%);-webkit-backdrop-filter:blur(18px) saturate(120%);box-shadow:var(--shadow-card);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px;}
.field input,.field select,.field textarea{width:100%;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:var(--r-btn);color:var(--text-1);font-size:15px;padding:0 14px;height:46px;transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);font-family:inherit;}
.field textarea{height:auto;min-height:96px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field select{appearance:none;-webkit-appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-2) 50%),linear-gradient(135deg,var(--text-2) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 15px) 20px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px rgba(46,230,200,.18);background:rgba(255,255,255,.06);}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--err);box-shadow:0 0 0 2px rgba(244,115,108,.16);}
.field .err-msg{display:none;margin-top:8px;font-size:13px;color:var(--err);}
.field.has-error .err-msg{display:block;}
.consent{display:flex;gap:10px;align-items:flex-start;margin:6px 0 18px;}
.consent input{width:16px;height:16px;margin-top:4px;accent-color:var(--primary);flex:none;}
.consent label{font-size:12.5px;line-height:1.7;color:var(--text-3);}
.form-note{margin-top:14px;font-size:12.5px;line-height:1.7;color:var(--text-3);}
.form-success{display:none;flex-direction:column;align-items:center;text-align:center;gap:14px;padding:32px 12px;}
.form-success.is-visible{display:flex;}
.form-success .ok-ring{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:rgba(69,212,131,.12);border:1px solid rgba(69,212,131,.4);color:var(--ok);}
.form-success p{font-size:15px;color:var(--text-2);}

/* 弹层 drawer */
.overlay{position:fixed;inset:0;background:rgba(4,7,12,.72);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;z-index:90;}
.overlay.is-open{opacity:1;visibility:visible;}
.drawer{position:fixed;top:0;right:0;height:100%;width:420px;max-width:100%;background:var(--bg-1);border-left:1px solid var(--line-strong);border-radius:0;transform:translateX(100%);transition:transform .28s ease;z-index:95;display:flex;flex-direction:column;overflow-y:auto;}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 26px;border-bottom:1px solid var(--line);}
.drawer-head h2{font-size:18px;}
.drawer-close{width:44px;height:44px;border:1px solid var(--line-strong);border-radius:var(--r-btn);background:transparent;color:var(--text-1);font-size:20px;line-height:1;cursor:pointer;transition:border-color var(--ease),background var(--ease);}
.drawer-close:hover{border-color:var(--primary);background:rgba(46,230,200,.06);}
.drawer-body{padding:24px 26px 40px;}
body.is-locked{overflow:hidden;}

/* 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:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--text-3);line-height:1.85;max-width:320px;}
.footer-col h4{font-size:14px;color:var(--text-1);margin-bottom:16px;font-weight:600;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--text-2);line-height:2;}
.footer-col a:hover{color:var(--primary);}
.footer-col p{font-size:14px;color:var(--text-2);line-height:2;}
.footer-bottom{margin-top:40px;border-top:1px solid var(--line);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);}

@media (max-width:1279px){
  .container{padding:0 24px;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .stat-grid{grid-template-columns:repeat(2,1fr);row-gap:28px;}
  .stat-item:nth-child(3){border-left:0;padding-left:0;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .menu-toggle{display:flex;}
  .header-actions .btn-sm{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:40px;min-height:auto;}
  .hero-visual .float-card{left:16px;bottom:-20px;}
  .plan-grid{grid-template-columns:1fr;}
  .plan-card--offset{margin-top:0;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .section{padding:52px 0;}
  .hero{padding:56px 0 64px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px;}
  .post-grid{grid-template-columns:1fr;}
  .stat-item{padding:8px 20px;}
  .ask-item{gap:16px;padding:20px 0;}
  .ask-item p{font-size:16px;}
  .drawer{top:auto;bottom:0;right:0;left:0;width:100%;height:88vh;border-left:0;border-top:1px solid var(--line-strong);border-radius:var(--r-modal) var(--r-modal) 0 0;transform:translateY(100%);}
  .drawer.is-open{transform:translateY(0);}
}
@media (max-width:520px){
  .container{padding:0 20px;}
  .hero h1{font-size:26px;}
  .hero-actions{flex-direction:column;align-items:stretch;gap:12px;}
  .hero-actions .btn{width:100%;}
  .hero-visual .frame img{height:220px;}
  .plan-card,.form-card,.post-card{padding:20px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .trust-line{gap:10px;}
  .footer-grid{grid-template-columns:1fr;}
}

/* roulang page: article */
:root{
  --bg-0:#060910;
  --bg-1:#0B111C;
  --bg-2:#101927;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --glass:rgba(255,255,255,.055);
  --primary:#2EE6C8;
  --primary-deep:#12A78F;
  --accent:#E7A85C;
  --text-1:#E9EEF5;
  --text-2:#A6B2C4;
  --text-3:#6F7C90;
  --success:#45D483;
  --warn:#F0B24A;
  --error:#F4736C;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-card:0 18px 40px -20px rgba(0,0,0,.7);
  --sh-hover:0 24px 56px -22px rgba(0,0,0,.8);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"DIN Alternate",Barlow,Inter,"PingFang SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
body.nav-locked{overflow:hidden}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
input,textarea,select{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--text-1);letter-spacing:.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(46,230,200,.22);color:var(--text-1)}
:focus-visible{outline:2px solid rgba(46,230,200,.55);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(6,9,16,.84);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,border-color .25s ease;
}
.site-header.scrolled{background:rgba(6,9,16,.94);border-bottom-color:var(--line-strong)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;transition:height .25s ease}
.site-header.scrolled .header-inner{height:60px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--text-1);white-space:nowrap}
.brand-dot{width:10px;height:10px;border-radius:50%;background:var(--primary);box-shadow:0 0 16px rgba(46,230,200,.75);flex-shrink:0}
.main-nav{display:flex;align-items:center;gap:32px}
.nav-link{position:relative;font-size:15px;color:var(--text-2);padding:8px 0;transition:color .2s ease;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:0;bottom:2px;width:0;height:1px;background:var(--primary);transition:width .2s ease}
.nav-link:hover{color:var(--text-1)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--text-1)}
.nav-link.active::after{width:100%}
.nav-side{display:flex;align-items:center;gap:16px}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:transparent;
  border-radius:var(--r-btn);cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--text-1);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.nav-toggle.open span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

/* ============ 按钮 ============ */
.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);border:0;cursor:pointer;
  font-size:15px;font-weight:600;color:#05100E;
  background:linear-gradient(180deg,#46F0D4,#16C4A8);
  box-shadow:0 10px 30px -8px rgba(46,230,200,.45),0 0 0 1px rgba(46,230,200,.35);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.05);box-shadow:0 14px 44px -10px rgba(46,230,200,.55),0 0 0 1px rgba(46,230,200,.45)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);cursor:pointer;
  font-size:15px;font-weight:500;color:var(--text-1);
  background:transparent;border:1px solid rgba(255,255,255,.16);
  transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.btn-ghost:hover{border-color:var(--primary);background:rgba(46,230,200,.06);box-shadow:0 0 22px -10px rgba(46,230,200,.6)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:14px;font-weight:500;position:relative}
.link-arrow::after{content:"";position:absolute;left:0;bottom:-3px;width:0;height:1px;background:var(--primary);transition:width .2s ease}
.link-arrow:hover::after{width:100%}

/* ============ 页面头部 ============ */
.page-head{position:relative;overflow:hidden;background:linear-gradient(180deg,var(--bg-1),var(--bg-0));border-bottom:1px solid var(--line)}
.page-head::before{
  content:"";position:absolute;inset:0;
  background:url(/assets/images/backpic/back-2.png) center/cover no-repeat;
  opacity:.16;
}
.page-head::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,9,16,.45),rgba(6,9,16,.92));
}
.page-head .container{position:relative;z-index:2;padding-top:48px;padding-bottom:52px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.breadcrumb a{color:var(--text-3);transition:color .2s ease}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .current{color:var(--text-2)}
.article-title{
  font-size:clamp(28px,4.2vw,46px);font-weight:700;line-height:1.25;
  margin:18px 0 20px;max-width:900px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--text-3)}
.meta-row .sep{width:1px;height:12px;background:var(--line-strong)}
.meta-num{font-family:var(--font-num);font-variant-numeric:tabular-nums}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:500;white-space:nowrap;
}
.badge-primary{background:rgba(46,230,200,.10);color:var(--primary)}
.badge-accent{background:rgba(231,168,92,.12);color:var(--accent)}
.badge-soft{background:rgba(255,255,255,.06);color:var(--text-2)}

/* ============ 正文 ============ */
.article-section{padding:64px 0 88px;background:var(--bg-0)}
.article-shell{max-width:760px;margin:0 auto}
.article-body{font-size:16px;line-height:1.85;color:var(--text-2)}
.article-body>*+*{margin-top:18px}
.article-body h2{
  font-size:24px;font-weight:650;line-height:1.4;color:var(--text-1);
  margin-top:44px;padding-left:14px;border-left:3px solid var(--primary);
}
.article-body h3{
  position:relative;font-size:19px;font-weight:600;line-height:1.5;color:var(--text-1);
  margin-top:30px;padding-left:16px;
}
.article-body h3::before{
  content:"";position:absolute;left:0;top:.7em;width:6px;height:6px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 12px rgba(46,230,200,.8);
}
.article-body p{margin-top:18px;line-height:1.85}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(46,230,200,.35);transition:border-color .2s ease}
.article-body a:hover{border-bottom-color:var(--primary)}
.article-body strong{color:var(--text-1);font-weight:600}
.article-body blockquote{
  margin:26px 0;padding:20px;border-left:3px solid var(--primary);
  background:var(--bg-2);border-radius:0 var(--r-card) var(--r-card) 0;color:var(--text-2);
}
.article-body blockquote p{margin-top:0}
.article-body ul,.article-body ol{margin-top:16px;padding-left:4px}
.article-body li{position:relative;padding-left:20px;margin-top:10px;line-height:1.8}
.article-body ul>li::before{
  content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:2px;background:var(--primary);
}
.article-body ol{counter-reset:num}
.article-body ol>li{counter-increment:num;padding-left:30px}
.article-body ol>li::before{
  content:counter(num,decimal-leading-zero);position:absolute;left:0;top:0;
  font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:13px;color:var(--accent);
}
.article-body img{border-radius:var(--r-img);margin:24px 0}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:14px;
  border:1px solid var(--line);
}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.article-body th{background:var(--bg-2);color:var(--text-1);font-weight:600}
.article-body code{
  font-family:var(--font-num);background:var(--bg-2);border:1px solid var(--line);
  padding:2px 6px;border-radius:6px;font-size:14px;color:var(--accent);
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0}
.table-wrap{overflow-x:auto;margin:24px 0;border-radius:var(--r-card)}

/* ============ 空态 ============ */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  min-height:260px;padding:48px 24px;text-align:center;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
}
.empty-state p{font-size:15px;color:var(--text-2)}
.empty-icon{width:48px;height:48px;color:var(--text-3)}

/* ============ 相关推荐 ============ */
.rec-section{padding:72px 0;background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{font-size:clamp(22px,2.6vw,32px);font-weight:650;line-height:1.35}
.section-head p{font-size:14px;color:var(--text-3);margin-top:8px}
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rec-card{
  display:flex;flex-direction:column;gap:14px;padding:24px;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  backdrop-filter:blur(18px) saturate(120%);-webkit-backdrop-filter:blur(18px) saturate(120%);
  box-shadow:var(--sh-card);transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.rec-card:hover{transform:translateY(-2px);border-color:rgba(46,230,200,.28);box-shadow:var(--sh-hover)}
.rec-thumb{overflow:hidden;border-radius:var(--r-img);height:132px}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.rec-card:hover .rec-thumb img{transform:scale(1.03)}
.rec-card h3{font-size:18px;font-weight:600;line-height:1.5}
.rec-card p{font-size:14px;color:var(--text-3);line-height:1.75}
.rec-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}

/* ============ CTA 条 ============ */
.cta-band{background:var(--bg-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:48px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(20px,2.2vw,26px);font-weight:650;line-height:1.4}
.cta-inner p{font-size:14px;color:var(--text-3);margin-top:8px}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-0);padding:64px 0 0;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand{font-size:16px;margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-3);line-height:1.9;max-width:300px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:16px}
.footer-col ul li{margin-bottom:12px}
.footer-col a{font-size:14px;color:var(--text-2);transition:color .2s ease}
.footer-col a:hover{color:var(--primary)}
.footer-col p{font-size:14px;color:var(--text-3);line-height:1.9;margin-bottom:8px}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:40px;padding:20px 0 28px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 24px}
}
@media (max-width:1023px){
  .rec-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .main-nav{
    position:fixed;inset:0;z-index:90;display:flex;flex-direction:column;align-items:flex-start;
    gap:0;padding:96px 24px 32px;background:rgba(6,9,16,.98);
    backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
    transform:translateX(100%);opacity:0;pointer-events:none;transition:transform .28s ease,opacity .28s ease;
  }
  .main-nav.open{transform:translateX(0);opacity:1;pointer-events:auto}
  .main-nav .nav-link{font-size:18px;line-height:1.9;width:100%;padding:12px 0;border-bottom:1px solid var(--line);opacity:0;transform:translateY(8px)}
  .main-nav.open .nav-link{animation:navIn .3s ease forwards}
  .main-nav.open .nav-link:nth-child(1){animation-delay:.05s}
  .main-nav.open .nav-link:nth-child(2){animation-delay:.11s}
  .main-nav.open .nav-link:nth-child(3){animation-delay:.17s}
  @keyframes navIn{to{opacity:1;transform:translateY(0)}}
  .nav-toggle{display:flex}
  .nav-side .btn-primary{display:none}
  .header-inner{height:60px}
  .site-header.scrolled .header-inner{height:60px}
  .page-head .container{padding-top:32px;padding-bottom:36px}
  .article-section{padding:48px 0 64px}
  .rec-section{padding:56px 0}
}
@media (max-width:767px){
  .rec-grid{grid-template-columns:1fr}
  .section-head{margin-bottom:24px}
  .cta-inner{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container{padding:0 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .article-body h2{font-size:21px;margin-top:34px}
  .article-body h3{font-size:17px}
  .btn-primary,.btn-ghost{width:100%}
  .rec-card{padding:20px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:479px){
  .cta-inner .btn-primary{width:100%}
}

/* roulang page: category1 */
:root{
  --bg-0:#060910;
  --bg-1:#0B111C;
  --bg-2:#101927;
  --line:rgba(255,255,255,0.08);
  --line-strong:rgba(255,255,255,0.14);
  --glass:rgba(255,255,255,0.055);
  --primary:#2EE6C8;
  --primary-deep:#12A78F;
  --accent:#E7A85C;
  --text-1:#E9EEF5;
  --text-2:#A6B2C4;
  --text-3:#6F7C90;
  --ok:#45D483;
  --warn:#F0B24A;
  --err:#F4736C;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-input:10px;
  --shadow-card:0 18px 40px -20px rgba(0,0,0,0.7);
  --shadow-hover:0 24px 56px -22px rgba(0,0,0,0.8);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-serif:"Source Han Serif SC","Songti SC","Noto Serif SC",serif;
  --font-num:"DIN Alternate","Barlow",Inter,system-ui,sans-serif;
  --sp:8px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:linear-gradient(rgba(255,255,255,0.028) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,0.028) 1px,transparent 1px);
  background-size:64px 64px;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--text-1)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
h1,h2,h3,h4{margin:0;color:var(--text-1);font-weight:650;line-height:1.35}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:rgba(46,230,200,0.22);color:var(--text-1)}
:focus-visible{outline:2px solid rgba(46,230,200,0.55);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.site-header,main,.site-footer{position:relative;z-index:1}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-btn);
  border:1px solid transparent;font-size:15px;font-weight:600;
  text-align:center;transition:all .24s ease;white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(180deg,#46F0D4,#16C4A8);
  color:#05100E;
  box-shadow:0 10px 30px -8px rgba(46,230,200,0.45),0 0 0 1px rgba(46,230,200,0.35);
}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.05);box-shadow:0 14px 44px -8px rgba(46,230,200,0.5),0 0 0 1px rgba(46,230,200,0.5);color:#05100E}
.btn-primary:active{transform:translateY(0)}
.btn-primary:disabled{opacity:.45;box-shadow:none;cursor:not-allowed}
.btn-ghost{
  background:transparent;border-color:rgba(255,255,255,0.16);color:var(--text-1);
}
.btn-ghost:hover{border-color:var(--primary);background:rgba(46,230,200,0.06);box-shadow:0 0 24px -8px rgba(46,230,200,0.4);color:var(--text-1)}
.btn-sm{min-height:44px;padding:0 20px;font-size:14px}
.btn-hero{min-height:52px}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-size:14px;font-weight:600;
  position:relative;padding-bottom:2px;min-height:44px;
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:8px;height:1px;width:0;
  background:var(--primary);transition:width .2s ease;
}
.text-link:hover{color:var(--primary)}
.text-link:hover::after{width:calc(100% - 18px)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-primary{background:rgba(46,230,200,0.10);color:var(--primary)}
.badge-accent{background:rgba(231,168,92,0.12);color:var(--accent)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,9,16,0.72);
  backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid var(--line);
  transition:height .24s ease,background .24s ease;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;height:72px;transition:height .24s ease}
.site-header.is-scrolled{background:rgba(8,12,20,0.86)}
.site-header.is-scrolled .header-inner{height:60px}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--text-1);font-size:17px;font-weight:700;letter-spacing:.01em;
}
.brand:hover{color:var(--text-1)}
.brand-dot{
  width:9px;height:9px;border-radius:50%;
  background:var(--primary);
  box-shadow:0 0 0 4px rgba(46,230,200,0.14),0 0 18px rgba(46,230,200,0.6);
  flex:none;
}
.main-nav{display:flex;align-items:center;gap:32px}
.nav-link{
  position:relative;color:var(--text-2);font-size:15px;
  padding:6px 2px;min-height:44px;display:inline-flex;align-items:center;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:6px;height:1px;width:0;
  background:var(--primary);transition:width .2s ease;
}
.nav-link:hover{color:var(--text-1)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--text-1)}
.nav-link.active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);align-items:center;justify-content:center;
  flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--text-1);transition:transform .24s ease,opacity .24s ease}
.nav-toggle.is-active span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.nav-toggle.is-active span:nth-child(2){opacity:0}
.nav-toggle.is-active span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

.mobile-panel{
  position:fixed;inset:60px 0 0 0;z-index:55;
  background:rgba(6,9,16,0.97);
  backdrop-filter:blur(16px);
  padding:32px;
  display:flex;flex-direction:column;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s;
}
.mobile-panel.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.mobile-panel a.m-link{
  color:var(--text-2);font-size:18px;line-height:1.9;padding:10px 0;
  border-bottom:1px solid var(--line);
  opacity:0;transform:translateY(6px);
}
.mobile-panel.is-open a.m-link{opacity:1;transform:translateY(0);transition:opacity .3s ease,transform .3s ease}
.mobile-panel.is-open a.m-link:nth-child(1){transition-delay:.04s}
.mobile-panel.is-open a.m-link:nth-child(2){transition-delay:.10s}
.mobile-panel.is-open a.m-link:nth-child(3){transition-delay:.16s}
.mobile-panel a.m-link.active{color:var(--primary)}
.mobile-panel .m-cta{margin-top:auto}

/* ---------- 分类页 Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background:var(--bg-1);
  padding:112px 0 56px;
  min-height:280px;
}
.cat-hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.22;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,9,16,0.6) 0%,rgba(6,9,16,0.9) 65%,var(--bg-0) 100%);
}
.cat-hero .container{position:relative;z-index:2}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);margin-bottom:20px;
}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--primary)}
.crumb-sep{color:var(--text-3);opacity:.6}
.crumb-current{color:var(--text-2)}
.cat-hero h1{
  font-family:var(--font-serif);
  font-size:clamp(28px,4.2vw,46px);
  font-weight:700;line-height:1.25;letter-spacing:.01em;
  margin:16px 0 14px;max-width:860px;
}
.cat-hero-sub{max-width:720px;color:var(--text-2);font-size:16px}

/* ---------- 板块 ---------- */
.section{padding:96px 0}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{margin-bottom:40px;max-width:800px}
.section-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.35;margin-bottom:12px}
.section-head p{color:var(--text-2);font-size:15px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-num);font-size:13px;letter-spacing:.14em;
  color:var(--accent);margin-bottom:12px;text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--accent);display:block}

/* ---------- 双栏布局 ---------- */
.layout-aside{display:grid;grid-template-columns:260px minmax(0,1fr);gap:48px;align-items:start}
.side-nav{position:sticky;top:96px;display:flex;flex-direction:column;gap:8px}
.side-title{
  font-size:12px;letter-spacing:.14em;color:var(--text-3);
  text-transform:uppercase;font-family:var(--font-num);margin-bottom:4px;
}
.side-link{
  display:flex;align-items:center;
  min-height:44px;padding:0 0 0 14px;
  border-left:2px solid transparent;
  color:var(--text-2);font-size:15px;
  transition:color .2s ease,border-color .2s ease;
}
.side-link:hover{color:var(--text-1);border-left-color:rgba(46,230,200,0.4)}
.side-link.is-current{color:var(--primary);border-left-color:var(--primary);font-weight:600}
.side-block{margin-top:28px;padding-top:24px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:8px}
.side-mini{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  min-height:44px;font-size:14px;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.side-mini:last-child{border-bottom:0}
.side-mini:hover{color:var(--primary)}
.side-mini span:last-child{color:var(--text-3);font-family:var(--font-num);font-size:12px}

/* ---------- 卡片网格 ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.glass-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px;
  backdrop-filter:blur(18px) saturate(120%);
  box-shadow:var(--shadow-card);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.glass-card:hover{
  transform:translateY(-2px);
  border-color:rgba(46,230,200,0.28);
  box-shadow:var(--shadow-hover);
}
.path-card{display:flex;flex-direction:column;gap:14px}
.card-media{
  border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line);
  background:var(--bg-2);
  aspect-ratio:16/10;
}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.glass-card:hover .card-media img{transform:scale(1.03)}
.path-card h3{font-size:19px;line-height:1.5}
.path-card p{font-size:15px;line-height:1.8;color:var(--text-2)}
.path-card .text-link{margin-top:auto}

/* ---------- 步骤流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;counter-reset:step}
.step{
  position:relative;padding:28px 24px 26px;
  background:var(--bg-2);border:1px solid var(--line);
  border-radius:var(--r-card);
  transition:transform .24s ease,border-color .24s ease;
}
.step:hover{transform:translateY(-2px);border-color:rgba(46,230,200,0.28)}
.step-num{
  display:block;font-family:var(--font-num);font-size:26px;font-weight:700;
  color:var(--accent);letter-spacing:.04em;margin-bottom:14px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;margin-bottom:10px}
.step p{font-size:14px;line-height:1.75;color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;text-align:left;color:var(--text-1);font-size:16px;font-weight:600;
  min-height:44px;transition:color .2s ease;
}
.faq-q:hover{color:var(--primary)}
.faq-icon{
  position:relative;flex:none;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line-strong);
  transition:transform .24s ease,border-color .24s ease,background .24s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;
  background:var(--text-2);transform:translate(-50%,-50%);
  transition:background .24s ease,opacity .24s ease;
}
.faq-icon::before{width:11px;height:1.5px}
.faq-icon::after{width:1.5px;height:11px}
.faq-item.is-open .faq-icon{transform:rotate(180deg);border-color:rgba(46,230,200,0.55);background:rgba(46,230,200,0.08)}
.faq-item.is-open .faq-icon::before{background:var(--primary)}
.faq-item.is-open .faq-icon::after{opacity:0;background:var(--primary)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a-inner{padding:0 4px 22px;color:var(--text-2);font-size:15px;line-height:1.8}

/* ---------- CTA 条 ---------- */
.cta-bar{
  background:var(--bg-2);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:48px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(20px,2.2vw,26px);margin-bottom:8px}
.cta-inner p{font-size:15px;color:var(--text-2);max-width:640px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 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 1fr;gap:40px;padding-bottom:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.9;color:var(--text-3);max-width:320px}
.footer-col h4{font-size:14px;color:var(--text-1);margin-bottom:16px;font-weight:600}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:var(--text-2);line-height:2}
.footer-col ul li a:hover{color:var(--primary)}
.footer-col p{font-size:14px;color:var(--text-3);line-height:2}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- 弹层 ---------- */
.scrim{
  position:fixed;inset:0;z-index:80;
  background:rgba(4,7,12,0.72);
  backdrop-filter:blur(4px);
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s;
}
.scrim.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:90;
  width:420px;max-width:100%;
  background:var(--bg-1);
  border-left:1px solid var(--line-strong);
  padding:28px;
  overflow-y:auto;
  transform:translateX(100%);
  transition:transform .28s ease;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:20px}
.drawer-head h2{font-size:20px}
.drawer-head p{font-size:14px;color:var(--text-3);margin-top:6px}
.drawer-close{
  width:44px;height:44px;flex:none;border-radius:10px;
  border:1px solid var(--line);color:var(--text-2);
  display:flex;align-items:center;justify-content:center;font-size:20px;line-height:1;
  transition:border-color .2s ease,color .2s ease;
}
.drawer-close:hover{border-color:var(--primary);color:var(--primary)}

/* ---------- 表单 ---------- */
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px}
.input,.select,.textarea{
  width:100%;
  background:rgba(255,255,255,0.04);
  border:1px solid var(--line);
  border-radius:var(--r-input);
  color:var(--text-1);
  padding:0 14px;
  min-height:46px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.textarea{min-height:104px;padding:12px 14px;resize:vertical;line-height:1.7}
.input::placeholder,.textarea::placeholder{color:var(--text-3)}
.input:focus,.select:focus,.textarea:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 2px rgba(46,230,200,0.18);
  background:rgba(255,255,255,0.06);
}
.select{
  appearance:none;-webkit-appearance:none;
  background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 15px) 21px;
  background-size:5px 5px,5px 5px;
  background-repeat:no-repeat;
}
.select option{background:var(--bg-2);color:var(--text-1)}
.consent{display:flex;align-items:flex-start;gap:10px;margin:4px 0 18px}
.consent input{width:16px;height:16px;margin-top:4px;accent-color:var(--primary);flex:none}
.consent span{font-size:12px;line-height:1.7;color:var(--text-3)}
.form-success{
  display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;
  gap:12px;padding:36px 20px;border:1px solid rgba(69,212,131,0.3);
  background:rgba(69,212,131,0.12);border-radius:var(--r-card);
}
.form-success svg{width:44px;height:44px;stroke:var(--ok);fill:none;stroke-width:1.6}
.form-success p{font-size:14px;color:var(--text-2)}

/* ---------- 提示条 ---------- */
.notice{
  display:flex;gap:12px;align-items:flex-start;
  border-left:3px solid var(--primary);
  background:rgba(46,230,200,0.12);
  padding:12px 16px;border-radius:0 10px 10px 0;
  font-size:14px;color:var(--text-2);
  margin-bottom:24px;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 32px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .section{padding:72px 0}
  .layout-aside{grid-template-columns:1fr;gap:32px}
  .side-nav{position:static;flex-direction:row;flex-wrap:wrap;gap:12px}
  .side-title{display:none}
  .side-link{border-left:0;border-bottom:2px solid transparent;padding:0 4px;border-radius:0}
  .side-link.is-current{border-left:0;border-bottom-color:var(--primary)}
  .side-block{display:none}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .header-inner{height:60px}
  .site-header.is-scrolled .header-inner{height:56px}
  .cat-hero{padding:96px 0 44px;min-height:240px}
  .grid-2{grid-template-columns:1fr}
  .section{padding:52px 0}
  .glass-card{padding:20px}
  .steps{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .drawer{
    top:auto;left:0;right:0;bottom:0;width:auto;
    max-height:88vh;
    border-left:0;border-top:1px solid var(--line-strong);
    border-radius:18px 18px 0 0;
    transform:translateY(100%);
  }
  .drawer.is-open{transform:translateY(0)}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:479px){
  .brand{font-size:15px}
  .btn{width:100%}
  .cta-actions{gap:12px}
  .header-actions .btn{width:auto}
  .faq-q{font-size:15px}
}

/* roulang page: category2 */
:root{
  --bg-0:#060910;
  --bg-1:#0B111C;
  --bg-2:#101927;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.14);
  --glass:rgba(255,255,255,.055);
  --primary:#2EE6C8;
  --primary-deep:#12A78F;
  --accent:#E7A85C;
  --text-1:#E9EEF5;
  --text-2:#A6B2C4;
  --text-3:#6F7C90;
  --ok:#45D483;
  --warn:#F0B24A;
  --err:#F4736C;
  --r-card:16px;
  --r-img:14px;
  --r-btn:10px;
  --r-input:10px;
  --shadow-card:0 18px 40px -20px rgba(0,0,0,.7);
  --shadow-hover:0 24px 56px -22px rgba(0,0,0,.8);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --font-num:"DIN Alternate","Barlow","Inter",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-2);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--text-1);line-height:1.35}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:rgba(46,230,200,.22);color:var(--text-1)}
:focus-visible{outline:2px solid rgba(46,230,200,.55);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.narrow{max-width:960px;margin:0 auto;padding:0 32px;width:100%}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(6,9,16,.82);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid var(--line);
  transition:background .24s ease,border-color .24s ease;
}
.site-header.is-scrolled{background:rgba(6,9,16,.94);border-bottom-color:var(--line-strong)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .24s ease}
.site-header.is-scrolled .header-inner{height:60px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:var(--text-1);letter-spacing:.01em;min-height:44px}
.brand-dot{width:9px;height:9px;border-radius:50%;background:var(--primary);box-shadow:0 0 14px rgba(46,230,200,.8);flex:none}
.main-nav{display:flex;align-items:center;gap:32px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  min-height:44px;font-size:15px;color:var(--text-2);
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:12px;height:1px;width:0;
  background:var(--primary);transition:width .2s ease;
}
.nav-link:hover{color:var(--text-1)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--text-1)}
.nav-link.active::after{width:100%}
.header-cta{display:flex;align-items:center;gap:14px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:transform .24s ease,box-shadow .24s ease,filter .24s ease,background .24s ease,border-color .24s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(180deg,#46F0D4,#16C4A8);
  color:#05100E;
  box-shadow:0 10px 30px -8px rgba(46,230,200,.45),0 0 0 1px rgba(46,230,200,.35);
}
.btn-primary:hover{transform:translateY(-1px);filter:brightness(1.05);box-shadow:0 14px 44px -8px rgba(46,230,200,.55),0 0 0 1px rgba(46,230,200,.45)}
.btn-primary:active{transform:translateY(0);filter:brightness(.98)}
.btn-ghost{
  background:transparent;color:var(--text-1);border-color:rgba(255,255,255,.16);
}
.btn-ghost:hover{border-color:var(--primary);background:rgba(46,230,200,.06);box-shadow:0 0 0 1px rgba(46,230,200,.2)}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--primary);
  font-size:15px;font-weight:600;min-height:44px;
  background-image:linear-gradient(currentColor,currentColor);
  background-repeat:no-repeat;background-size:0% 1px;background-position:0 100%;
  transition:background-size .2s ease;
}
.btn-link:hover{background-size:100% 1px}
.btn-block{width:100%}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  background:transparent;border-radius:10px;cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.menu-toggle span{display:block;width:18px;height:1.5px;background:var(--text-1);transition:transform .24s ease,opacity .24s ease}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
.mobile-panel{
  position:fixed;inset:72px 0 0 0;z-index:55;background:rgba(8,12,20,.98);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  padding:28px 24px 32px;display:none;flex-direction:column;
  border-top:1px solid var(--line);
}
.mobile-panel.is-open{display:flex}
.mobile-panel a{
  font-size:18px;line-height:1.9;color:var(--text-2);padding:12px 0;
  border-bottom:1px solid var(--line);opacity:0;transform:translateY(6px);
  animation:panelFade .3s ease forwards;
}
.mobile-panel a.active{color:var(--primary)}
.mobile-panel a:nth-child(1){animation-delay:.04s}
.mobile-panel a:nth-child(2){animation-delay:.1s}
.mobile-panel a:nth-child(3){animation-delay:.16s}
.mobile-panel .btn{margin-top:auto}
@keyframes panelFade{to{opacity:1;transform:translateY(0)}}

/* ---------- Banner ---------- */
.cat-banner{
  position:relative;height:240px;display:flex;align-items:flex-end;
  overflow:hidden;border-bottom:1px solid var(--line);
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
}
.cat-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,9,16,.55),rgba(6,9,16,.94));
}
.cat-banner::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:64px 64px;opacity:.6;
}
.banner-inner{position:relative;z-index:2;padding-bottom:26px;width:100%}
.breadcrumb{font-size:13px;color:var(--text-3);display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.breadcrumb a{color:var(--text-3);transition:color .2s ease}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{opacity:.6}
.breadcrumb .current{color:var(--text-2)}

/* ---------- Hero (centered) ---------- */
.cat-hero{padding:64px 0 24px;text-align:center;position:relative}
.cat-hero::before{
  content:"";position:absolute;left:50%;top:-40px;transform:translateX(-50%);
  width:640px;height:320px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(46,230,200,.10),transparent 72%);
  pointer-events:none;
}
.cat-hero .eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:26px;padding:0 14px;
  border-radius:999px;background:rgba(231,168,92,.12);color:var(--accent);
  font-size:12px;font-weight:600;letter-spacing:.04em;
}
.cat-hero h1{
  margin:18px auto 0;max-width:900px;
  font-family:"Source Han Serif SC","Songti SC","PingFang SC",serif;
  font-size:clamp(28px,4.2vw,46px);font-weight:700;line-height:1.25;letter-spacing:.01em;
}
.cat-hero .sub{margin:18px auto 0;max-width:760px;font-size:16px;color:var(--text-2);line-height:1.85}
.hero-meta{
  margin-top:26px;display:flex;flex-wrap:wrap;justify-content:center;gap:12px 26px;
  font-size:13px;color:var(--text-3);
}
.hero-meta .chip{display:inline-flex;align-items:center;gap:8px}
.hero-meta .chip i{width:5px;height:5px;border-radius:50%;background:var(--primary);display:inline-block}
.hero-actions{margin-top:30px;display:flex;justify-content:center;gap:14px;flex-wrap:wrap}

/* ---------- Sections ---------- */
.section{padding:96px 0}
.section.tight{padding:72px 0}
.section.bg1{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{margin-bottom:40px}
.sec-head.center{text-align:center}
.sec-head h2{font-size:clamp(22px,2.6vw,32px);font-weight:650}
.sec-head p{margin-top:12px;color:var(--text-2);font-size:15px;max-width:760px}
.sec-head.center p{margin-left:auto;margin-right:auto}

/* ---------- Alternating rows ---------- */
.alt-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:44px 0;border-bottom:1px solid var(--line);
}
.alt-row:last-of-type{border-bottom:0}
.alt-row .media{
  border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);
  background:var(--bg-2);box-shadow:var(--shadow-card);aspect-ratio:4/3;
}
.alt-row .media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.alt-row .media:hover img{transform:scale(1.03)}
.alt-row.reverse .media{order:2}
.alt-row .body{padding:0 4px}
.alt-row h3{font-size:20px;font-weight:600;line-height:1.5}
.alt-row p{margin-top:14px;font-size:15.5px;color:var(--text-2);line-height:1.85}
.alt-row .btn-link{margin-top:18px}
.num-tag{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:13px;color:var(--accent);letter-spacing:.08em;font-weight:600;
  display:inline-block;margin-bottom:12px;
}
.check-list{margin-top:18px;display:grid;gap:10px}
.check-list li{display:flex;gap:12px;font-size:15px;color:var(--text-2);line-height:1.8}
.check-list li::before{
  content:"";flex:none;width:8px;height:8px;margin-top:9px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 12px rgba(46,230,200,.5);
}

/* ---------- Cards (steps) ---------- */
.step-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.glass-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;backdrop-filter:blur(18px) saturate(120%);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  box-shadow:var(--shadow-card);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.glass-card:hover{transform:translateY(-2px);border-color:rgba(46,230,200,.28);box-shadow:var(--shadow-hover)}
.glass-card h3{font-size:18px;font-weight:600}
.glass-card p{margin-top:12px;font-size:15px;color:var(--text-2)}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;background:rgba(46,230,200,.10);color:var(--primary);
}
.badge.copper{background:rgba(231,168,92,.12);color:var(--accent)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--text-1);min-height:44px;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--primary)}
.faq-icon{
  flex:none;width:26px;height:26px;border-radius:50%;border:1px solid var(--line-strong);
  position:relative;transition:border-color .24s ease,transform .24s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--text-2);
  transform:translate(-50%,-50%);transition:background .24s ease,opacity .24s ease;
}
.faq-icon::before{width:11px;height:1.5px}
.faq-icon::after{width:1.5px;height:11px}
.faq-item.open .faq-icon{border-color:var(--primary);transform:rotate(90deg)}
.faq-item.open .faq-icon::before{background:var(--primary)}
.faq-item.open .faq-icon::after{background:var(--primary);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a p{padding:0 0 22px;font-size:15px;color:var(--text-2);line-height:1.8;max-width:760px}

/* ---------- Notice strip ---------- */
.notice{
  display:flex;gap:16px;align-items:flex-start;padding:16px 18px;border-radius:12px;
  background:rgba(240,178,74,.12);border-left:3px solid var(--warn);
  font-size:14.5px;color:var(--text-2);line-height:1.8;
}
.notice strong{color:var(--text-1)}
.notice.ok{background:rgba(69,212,131,.12);border-left-color:var(--ok)}

/* ---------- Stats ---------- */
.stat-row{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stat-cell{padding:32px 24px;border-right:1px solid var(--line)}
.stat-cell:last-child{border-right:0}
.stat-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:34px;font-weight:700;color:var(--primary);
  text-shadow:0 0 24px rgba(46,230,200,.35);line-height:1.2;
}
.stat-num span{font-size:16px;color:var(--accent);margin-left:4px;text-shadow:none}
.stat-cell p{margin-top:10px;font-size:13px;color:var(--text-3)}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--bg-2);border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line-strong);
  padding:72px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(20px,2.4vw,28px);font-weight:650}
.cta-inner p{margin-top:10px;font-size:15px;color:var(--text-2);max-width:640px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg-0);border-top:1px solid var(--line);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand{font-size:16px}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--text-3);line-height:1.9;max-width:320px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text-1);margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--text-2);transition:color .2s ease;line-height:2}
.footer-col a:hover{color:var(--primary)}
.footer-col p{font-size:14px;color:var(--text-3);line-height:2}
.footer-bottom{
  margin-top:40px;padding:22px 0;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .container{padding:0 32px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-col:last-child{grid-column:span 3}
}
@media (max-width:1023px){
  .main-nav{display:none}
  .header-cta .btn:not(.menu-toggle){display:none}
  .menu-toggle{display:inline-flex}
  .container,.narrow{padding:0 24px}
  .section{padding:72px 0}
  .section.tight{padding:56px 0}
  .alt-row{grid-template-columns:1fr;gap:28px;padding:36px 0}
  .alt-row.reverse .media{order:0}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .stat-cell:nth-child(2){border-right:0}
  .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px solid var(--line)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-col:last-child{grid-column:span 2}
  .cat-banner{height:210px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container,.narrow{padding:0 20px}
  .section{padding:52px 0}
  .section.tight{padding:44px 0}
  .step-grid{grid-template-columns:1fr}
  .glass-card{padding:20px}
  .cat-hero{padding:44px 0 12px}
  .cat-hero h1{font-size:27px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .stat-num{font-size:28px}
  .cta-band{padding:52px 0}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .site-footer{padding-top:48px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-col:last-child{grid-column:span 1}
  .footer-bottom{flex-direction:column;gap:8px}
  .cat-banner{height:180px}
}
@media (max-width:479px){
  .btn{width:100%;padding:0 20px}
  .btn-link{width:auto}
  .header-inner{gap:12px}
  .brand{font-size:15px}
}