/* roulang page: index */
:root{
  --bg-0:#06110F;--bg-1:#0B1B19;--bg-2:#102624;
  --primary:#17E6A1;--primary-soft:rgba(23,230,161,.12);
  --accent:#FF7A2F;--lime:#C6FF4A;
  --text-1:#EAF6F2;--text-2:#A9C2BC;--text-3:#6F8B85;
  --line:rgba(255,255,255,.06);--line-strong:rgba(23,230,161,.18);
  --glass:rgba(255,255,255,.06);
  --r-card:16px;--r-btn:10px;--r-img:14px;
  --sh-1:0 4px 14px rgba(0,0,0,.35);
  --sh-2:0 14px 32px rgba(0,0,0,.5);
  --sh-3:0 20px 48px rgba(0,0,0,.55);
  --glow:0 0 0 1px rgba(23,230,161,.35),0 10px 28px rgba(23,230,161,.18);
  --container:1200px;
}
*,*::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-1);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--text-1);line-height:1.25}
p{margin:0}
a{color:var(--primary);text-decoration:none;transition:color .18s ease,transform .18s ease,opacity .18s ease}
a:hover{color:#5AF3C0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:100%}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:88px 0;position:relative}
.section + .section{border-top:1px solid var(--line)}
.sec-eyebrow{display:inline-block;font-size:13px;letter-spacing:.18em;color:var(--primary);margin-bottom:14px;text-transform:uppercase}
.sec-title{font-size:clamp(24px,3vw,34px);font-weight:700}
.sec-index{color:var(--primary);font-size:15px;font-weight:700;letter-spacing:.1em;margin-right:10px;vertical-align:2px}
.sec-desc{color:var(--text-2);font-size:15px;max-width:640px;margin-top:14px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap}
.tnum{font-variant-numeric:tabular-nums;letter-spacing:0}

/* ---------- 顶部通告条 ---------- */
.topbar{background:linear-gradient(90deg,rgba(23,230,161,.14),rgba(23,230,161,0));border-bottom:1px solid var(--line-strong)}
.topbar-inner{min-height:32px;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:13px;color:var(--text-2)}
.topbar p{display:flex;align-items:center;gap:10px;margin:0}
.topbar .dot{width:6px;height:6px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 3px rgba(23,230,161,.18);flex:none}
.topbar-link{color:var(--primary);font-weight:600;white-space:nowrap}
.topbar-link:hover{transform:translateX(2px)}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(6,17,15,.86);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:800;letter-spacing:.02em;color:var(--text-1)}
.brand:hover{color:var(--text-1)}
.brand-mark{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:linear-gradient(140deg,rgba(23,230,161,.9),rgba(23,230,161,.25));box-shadow:0 0 0 1px rgba(23,230,161,.45);color:#04120D;font-size:15px}
.brand-text b{color:var(--primary)}
.nav-menu{margin-left:auto}
.nav-list{display:flex;align-items:center;gap:6px}
.nav-link{display:inline-flex;align-items:center;gap:6px;min-height:44px;padding:0 14px;border-radius:10px;color:var(--text-2);font-size:15px;font-weight:600;position:relative}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.04)}
.nav-link.active{color:var(--text-1)}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;border-radius:2px;background:var(--primary)}
.nav-cta .btn{margin-left:8px}
.has-mega{position:relative}
.mega-panel{
  position:absolute;top:calc(100% + 12px);right:0;width:640px;padding:24px;
  background:rgba(11,27,25,.96);backdrop-filter:blur(16px);
  border:1px solid var(--line-strong);border-radius:var(--r-card);box-shadow:var(--sh-3);
  opacity:0;visibility:hidden;transform:translateY(8px);transition:all .2s ease;
}
.has-mega:hover .mega-panel,.has-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:22px}
.mega-col h4{font-size:13px;color:var(--text-3);font-weight:600;letter-spacing:.12em;margin-bottom:12px}
.mega-links{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.mega-links a{display:block;padding:8px 10px;border-radius:8px;color:var(--text-2);font-size:14px}
.mega-links a:hover{background:rgba(23,230,161,.1);color:var(--primary)}
.mega-posts li + li{margin-top:10px}
.mega-posts a{display:block;font-size:14px;color:var(--text-1);line-height:1.5}
.mega-posts a:hover{color:var(--primary)}
.mega-posts time{display:block;font-size:12px;color:var(--text-3);margin-top:4px}
.mega-card{position:relative;border-radius:14px;overflow:hidden;min-height:132px;display:flex;flex-direction:column;justify-content:flex-end;padding:16px;margin-top:16px}
.mega-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.4}
.mega-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,17,15,.2),rgba(6,17,15,.92))}
.mega-card span,.mega-card a{position:relative;z-index:2}
.mega-card span{font-size:13px;color:var(--text-2);margin-bottom:6px}
.nav-toggle,.nav-toggle-cb{display:none}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;line-height:1;transition:all .18s ease;white-space:nowrap}
.btn-primary{background:var(--primary);color:#04120D;box-shadow:var(--glow)}
.btn-primary:hover{background:#3BF0B5;color:#04120D;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(23,230,161,.5),0 14px 34px rgba(23,230,161,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-ghost:hover{background:rgba(23,230,161,.08);color:var(--primary);transform:translateY(-2px)}
.btn-lg{min-height:50px;padding:0 28px;font-size:16px}
.btn-link{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:600;font-size:15px}
.btn-link:hover{gap:12px;color:#5AF3C0}

/* ---------- 徽章 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 12px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.8}
.badge-primary{background:var(--primary-soft);color:var(--primary)}
.badge-accent{background:rgba(255,122,47,.16);color:var(--accent)}
.badge-muted{background:rgba(255,255,255,.06);color:var(--text-2)}
.time-chip{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3)}
.time-chip::before{content:"";width:6px;height:6px;border-radius:1px;background:var(--accent)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:76px 0 88px;
  background:linear-gradient(180deg,rgba(6,17,15,.72),rgba(6,17,15,.94)),url('/assets/images/backpic/back-1.png') center/cover no-repeat}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(23,230,161,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(23,230,161,.06) 1px,transparent 1px);
  background-size:68px 68px;mask-image:radial-gradient(circle at 70% 30%,#000 10%,transparent 70%);
  -webkit-mask-image:radial-gradient(circle at 70% 30%,#000 10%,transparent 70%)}
.hero .container{position:relative;z-index:2}
.hero-copy h1{font-size:clamp(30px,4.6vw,52px);line-height:1.15;font-weight:800;margin:18px 0 16px}
.hero-copy h1 em{font-style:normal;color:var(--primary)}
.hero-sub{font-size:17px;color:var(--text-2);max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{display:flex;gap:34px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line);flex-wrap:wrap}
.stat-num{display:block;font-size:30px;font-weight:800;color:var(--lime);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-label{font-size:13px;color:var(--text-3)}
.glass-card{background:var(--glass);backdrop-filter:blur(14px);border:1px solid var(--line-strong);border-radius:var(--r-card);box-shadow:var(--sh-2)}
.hero-card{padding:18px;box-shadow:var(--sh-3)}
.hero-card-cover{position:relative;border-radius:var(--r-img);overflow:hidden;margin:0 0 18px}
.hero-card-cover img:first-child{width:100%;aspect-ratio:16/9;object-fit:cover;opacity:.72}
.hero-float{position:absolute;left:14px;bottom:14px;width:118px;aspect-ratio:16/11;object-fit:cover;border-radius:10px;border:1px solid rgba(255,255,255,.18);box-shadow:var(--sh-2)}
.hero-card-cover figcaption{position:absolute;right:14px;bottom:14px;font-size:12px;padding:4px 10px;border-radius:999px;background:rgba(6,17,15,.72);color:var(--text-2)}
.hero-points li{display:flex;gap:14px;padding:13px 4px}
.hero-points li + li{border-top:1px solid var(--line)}
.hero-points i{color:var(--primary);font-size:15px;margin-top:5px}
.hero-points strong{display:block;font-size:15px}
.hero-points span{font-size:13px;color:var(--text-2);line-height:1.7}

/* ---------- 优势横条 ---------- */
.adv-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.adv-item{display:flex;align-items:center;gap:14px;padding:18px 20px;border-radius:12px;background:linear-gradient(90deg,rgba(23,230,161,.1),rgba(255,255,255,.02));
  border:1px solid var(--line);transition:all .2s ease}
.adv-item:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--sh-1)}
.adv-item i{width:38px;height:38px;flex:none;display:grid;place-items:center;border-radius:10px;color:var(--primary);border:1px solid rgba(23,230,161,.35);background:rgba(23,230,161,.08)}
.adv-item strong{display:block;font-size:15px}
.adv-item span{font-size:13px;color:var(--text-3);line-height:1.6}

/* ---------- 三步上手 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;position:relative}
.steps::before{content:"";position:absolute;left:8%;right:8%;top:26px;height:1px;background:linear-gradient(90deg,rgba(23,230,161,.5),rgba(23,230,161,.08))}
.step{position:relative;padding-top:0}
.step-ball{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:18px;color:#04120D;
  background:var(--primary);box-shadow:0 0 0 6px rgba(23,230,161,.12);font-variant-numeric:tabular-nums}
.step h3{font-size:19px;margin:22px 0 10px}
.step p{color:var(--text-2);font-size:15px;max-width:330px}

/* ---------- 案例 ---------- */
.case-row{margin-bottom:34px}
.case-card{background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:all .22s ease;height:100%}
.case-card:hover{border-color:var(--line-strong);box-shadow:var(--sh-2);transform:translateY(-3px)}
.case-media{position:relative;overflow:hidden}
.case-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease}
.case-card:hover .case-media img{transform:scale(1.03)}
.case-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,17,15,0) 40%,rgba(6,17,15,.75))}
.case-body{padding:22px 24px 26px}
.case-body h3{font-size:20px;margin:14px 0 10px}
.case-body p{color:var(--text-2);font-size:15px}
.case-metric{display:flex;align-items:baseline;gap:10px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line)}
.case-metric b{font-size:26px;color:var(--lime);font-variant-numeric:tabular-nums;line-height:1}
.case-metric span{font-size:13px;color:var(--text-3)}
.case-card-sm .case-body{padding:18px 20px 22px}
.case-card-sm .case-body h3{font-size:17px;margin:12px 0 8px}
.case-card-sm .case-body p{font-size:14px}
.case-off-1{margin-top:0}
.case-off-2{margin-top:34px}
.case-off-3{margin-top:16px}

/* ---------- 最新信息（CMS） ---------- */
.news-list{border-top:1px solid var(--line)}
.news-item{border-bottom:1px solid var(--line)}
.news-link{display:flex;gap:22px;padding:24px 6px;align-items:flex-start;color:inherit}
.news-link:hover{background:rgba(255,255,255,.015)}
.news-cover{flex:none;width:200px;margin:0;border-radius:var(--r-img);overflow:hidden}
.news-cover img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease}
.news-link:hover .news-cover img{transform:scale(1.04)}
.news-body{flex:1;min-width:0}
.news-meta{display:flex;align-items:center;gap:14px;margin-bottom:10px;flex-wrap:wrap}
.news-title{font-size:18px;line-height:1.5;margin-bottom:8px;transition:color .18s ease}
.news-link:hover .news-title{color:var(--primary)}
.news-summary{color:var(--text-2);font-size:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-more{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-size:13px;font-weight:600;margin-top:12px}
.news-link:hover .news-more{gap:12px}
.empty-state{max-width:340px;margin:0 auto;text-align:center;padding:56px 0}
.empty-state i{font-size:30px;color:var(--text-3)}
.empty-main{margin-top:16px;font-size:16px;color:var(--text-1)}
.empty-sub{font-size:13px;color:var(--text-3);margin:8px 0 22px}

/* ---------- FAQ ---------- */
.faq-intro h2{font-size:clamp(22px,2.6vw,30px);margin:10px 0 16px}
.faq-intro p{color:var(--text-2);font-size:15px;margin-bottom:22px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);position:relative}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 18px;font-size:17px;font-weight:700;transition:background .18s ease}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:rgba(255,255,255,.02);color:var(--primary)}
.faq-icon{color:var(--primary);font-size:13px;transition:transform .18s ease;flex:none}
.faq-item[open] .faq-icon{transform:rotate(90deg)}
.faq-item[open] summary{color:var(--primary)}
.faq-item[open]::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--primary)}
.faq-answer{padding:0 18px 24px 26px;color:var(--text-2);font-size:15px}

/* ---------- CTA ---------- */
.cta-wrap{background:linear-gradient(180deg,rgba(16,38,36,.6),rgba(6,17,15,.9)),url('/assets/images/backpic/back-3.png') center/cover no-repeat;border-top:1px solid var(--line-strong)}
.cta-card{padding:38px;display:grid;grid-template-columns:1.15fr 1fr;gap:38px;align-items:center}
.cta-card h2{font-size:clamp(22px,2.8vw,32px);margin-bottom:16px}
.cta-points li{display:flex;gap:12px;color:var(--text-2);font-size:15px;padding:6px 0}
.cta-points i{color:var(--primary);margin-top:6px;font-size:13px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px}
.field input{width:100%;height:46px;padding:0 14px;color:var(--text-1);background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);border-radius:10px;box-shadow:inset 0 2px 8px rgba(0,0,0,.3);transition:all .18s ease}
.field input::placeholder{color:var(--text-3)}
.field input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(23,230,161,.16)}
.form-note{font-size:12px;color:var(--text-3);margin-top:12px;line-height:1.7}
.form-submit{width:100%;margin-top:4px}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-0);padding-top:64px;position:relative}
.site-footer::before{content:"";position:absolute;top:-1px;left:0;right:0;height:1px;background:linear-gradient(90deg,rgba(23,230,161,0),rgba(23,230,161,.7),rgba(23,230,161,0))}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:34px;padding-bottom:48px}
.footer-brand p{color:var(--text-2);font-size:14px;margin-top:16px;max-width:280px}
.footer-col h4{font-size:14px;color:var(--text-1);margin-bottom:16px;letter-spacing:.04em}
.footer-col li{margin-bottom:10px}
.footer-col a{color:var(--text-2);font-size:14px;display:inline-block}
.footer-col a:hover{color:var(--primary);transform:translateX(2px)}
.footer-col p{color:var(--text-2);font-size:14px}
.copyright{border-top:1px solid var(--line);padding:20px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-3)}
.copyright a{color:var(--text-3)}
.copyright a:hover{color:var(--primary)}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .nav-toggle{display:flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:0 10px;
    border:1px solid var(--line-strong);border-radius:10px;cursor:pointer;background:rgba(255,255,255,.04)}
  .nav-toggle span{display:block;height:2px;background:var(--text-1);border-radius:2px}
  .nav-menu{display:none;position:absolute;left:0;right:0;top:100%;background:rgba(11,27,25,.98);backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line-strong);box-shadow:var(--sh-3);padding:12px 24px 24px;max-height:78vh;overflow-y:auto}
  .nav-toggle-cb:checked ~ .nav-menu{display:block}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-link{padding:12px 6px;font-size:16px}
  .nav-link.active::after{display:none}
  .nav-link.active{color:var(--primary)}
  .nav-cta{margin-top:12px}
  .nav-cta .btn{width:100%;margin-left:0}
  .has-mega{position:static}
  .mega-panel{position:static;width:auto;opacity:1;visibility:visible;transform:none;box-shadow:none;background:rgba(255,255,255,.03);
    margin-top:8px;padding:16px;display:none}
  .has-mega:focus-within .mega-panel,.has-mega:hover .mega-panel{display:block}
  .mega-grid{grid-template-columns:1fr;gap:18px}
  .hero{padding:56px 0 68px}
  .hero-card{margin-top:38px}
  .adv-strip{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr;gap:32px}
  .steps::before{display:none}
  .case-off-2,.case-off-3{margin-top:0}
  .case-row{margin-bottom:24px}
  .cta-card{grid-template-columns:1fr;gap:28px;padding:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media screen and (max-width:767px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .hero{padding:44px 0 56px}
  .hero-stats{gap:22px 30px;margin-top:32px}
  .adv-strip{grid-template-columns:1fr}
  .news-link{flex-direction:column;gap:16px;padding:20px 2px}
  .news-cover{width:100%}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .faq-item summary{padding:18px 4px;font-size:16px}
  .faq-answer{padding:0 4px 20px 18px}
  .cta-card{padding:24px}
  .topbar-inner{font-size:12px;flex-wrap:wrap;padding:8px 0;gap:6px}
  .topbar-link{margin-left:auto}
}
@media screen and (max-width:520px){
  .hero-copy h1{font-size:28px}
  .stat-num{font-size:24px}
  .btn{width:100%}
  .hero-actions{flex-direction:column;align-items:stretch}
  .section-head{margin-bottom:32px}
}

/* roulang page: article */
:root{
  --bg-0:#06110F;
  --bg-1:#0B1B19;
  --bg-2:#102624;
  --primary:#17E6A1;
  --primary-soft:rgba(23,230,161,.12);
  --primary-line:rgba(23,230,161,.28);
  --accent:#FF7A2F;
  --lime:#C6FF4A;
  --text-1:#EAF6F2;
  --text-2:#A9C2BC;
  --text-3:#6F8B85;
  --line:rgba(255,255,255,.08);
  --line-soft:rgba(255,255,255,.06);
  --glass:rgba(255,255,255,.06);
  --r-card:16px;
  --r-btn:10px;
  --r-img:14px;
  --r-pill:999px;
  --sh-1:0 4px 14px rgba(0,0,0,.35);
  --sh-2:0 14px 32px rgba(0,0,0,.5);
  --sh-3:0 20px 48px rgba(0,0,0,.55);
  --glow:0 0 0 1px rgba(23,230,161,.35), 0 10px 28px rgba(23,230,161,.18);
  --glow-hover:0 0 0 1px rgba(23,230,161,.5), 0 14px 34px rgba(23,230,161,.3);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","Oswald","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease}
a:hover,a:focus{color:#5ff5c1}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,textarea,select{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.01em}
.section{padding:88px 0;position:relative}
.section + .section{border-top:1px solid var(--line-soft)}
.sec-head{margin-bottom:36px}
.sec-kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--primary);letter-spacing:.08em;text-transform:uppercase}
.sec-kicker::before{content:"";width:20px;height:2px;border-radius:2px;background:var(--primary)}
.sec-head h2{font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:700;color:var(--text-1);margin-top:12px;letter-spacing:-.01em}
.sec-head p{color:var(--text-2);font-size:15px;margin-top:10px;max-width:720px}

/* ============ header / nav ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(6,17,15,.9);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:74px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text-1);text-decoration:none}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(23,230,161,.25),rgba(255,122,47,.16));
  border:1px solid rgba(23,230,161,.45);
  color:var(--primary);font-size:15px;
  box-shadow:0 0 18px rgba(23,230,161,.25);
}
.brand-text{font-size:19px;font-weight:800;letter-spacing:-.01em}
.brand-text b{color:var(--primary);font-weight:800}
.nav-toggle-cb{display:none}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;background:rgba(255,255,255,.04)}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-1)}
.nav-menu{display:flex;align-items:center}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-list > li{position:relative}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  min-height:44px;padding:10px 14px;border-radius:10px;
  color:var(--text-2);font-size:15px;font-weight:600;
}
.nav-link:hover,.nav-link:focus{color:var(--primary);background:rgba(23,230,161,.08)}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:8px;height:2px;border-radius:2px;background:var(--primary);box-shadow:0 0 10px rgba(23,230,161,.8)}
.nav-cta{
  margin-left:10px;
  background:var(--primary);color:#04170F !important;font-weight:800;
  box-shadow:var(--glow);
}
.nav-cta:hover,.nav-cta:focus{background:#3bf0b6;transform:translateY(-2px);box-shadow:var(--glow-hover);color:#04170F}
.mega-panel{
  position:absolute;top:calc(100% + 12px);right:0;width:640px;
  background:rgba(11,27,25,.96);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--primary-line);border-radius:var(--r-card);
  box-shadow:var(--sh-3);
  padding:24px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
}
.has-mega:hover .mega-panel,.has-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.mega-col h4{font-size:13px;font-weight:700;color:var(--text-3);letter-spacing:.08em;margin-bottom:12px}
.mega-links{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.mega-links a{display:inline-flex;min-height:32px;align-items:center;padding:6px 12px;border-radius:var(--r-pill);background:var(--primary-soft);color:var(--primary);font-size:13px;font-weight:600}
.mega-links a:hover{background:rgba(23,230,161,.22)}
.mega-card{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:var(--bg-1)}
.mega-card img{width:100%;height:96px;object-fit:cover;aspect-ratio:16/7}
.mega-card span{display:block;padding:10px 14px 6px;font-size:14px;color:var(--text-2)}
.mega-card .btn{margin:0 14px 14px}
.mega-posts li + li{border-top:1px solid var(--line-soft)}
.mega-posts a{display:block;padding:12px 0;font-size:14px;color:var(--text-2);line-height:1.6}
.mega-posts a:hover{color:var(--primary)}
.mega-posts time{display:block;margin-top:4px;font-size:12px;color:var(--text-3)}

/* ============ buttons / badges ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;cursor:pointer;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--primary);color:#04170F;box-shadow:var(--glow)}
.btn-primary:hover,.btn-primary:focus{background:#3bf0b6;color:#04170F;transform:translateY(-2px);box-shadow:var(--glow-hover)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:var(--primary-line);color:var(--primary)}
.btn-ghost:hover,.btn-ghost:focus{background:rgba(23,230,161,.08);color:var(--primary);transform:translateY(-2px)}
.btn-sm{min-height:38px;padding:9px 16px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--primary)}
.link-arrow i{transition:transform .2s ease}
.link-arrow:hover i{transform:translateX(3px)}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);font-size:12px;font-weight:700;line-height:1.7}
.badge-cat{background:var(--primary-soft);color:var(--primary);border:1px solid rgba(23,230,161,.22)}
.badge-hot{background:rgba(255,122,47,.16);color:var(--accent);border:1px solid rgba(255,122,47,.3)}
.badge-time{background:transparent;color:var(--text-3);padding:0;font-weight:600}
.badge-time::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--text-3);display:inline-block}
.tag{display:inline-flex;align-items:center;min-height:34px;padding:6px 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-2);font-size:13px}
.tag:hover{border-color:var(--primary-line);color:var(--primary);background:var(--primary-soft)}

/* ============ article hero ============ */
.article-hero{
  position:relative;
  padding:40px 0 0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat,var(--bg-0);
}
.article-hero::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,17,15,.84),rgba(6,17,15,.97))}
.article-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li + li::before{content:"/";color:rgba(255,255,255,.2)}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .current{color:var(--text-3);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.art-head{max-width:860px}
.art-head h1{
  font-size:clamp(28px,4.2vw,46px);
  line-height:1.2;font-weight:800;letter-spacing:-.01em;
  margin:16px 0 18px;color:var(--text-1);
}
.art-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:14px;color:var(--text-3)}
.art-meta time{color:var(--text-2);font-weight:600}
.art-meta .sep{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.2)}
.art-cover{margin:34px 0 0;position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-2)}
.art-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.art-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,17,15,0) 45%,rgba(6,17,15,.6))}

/* ============ article body ============ */
.article-section{padding-top:64px}
.article-body{
  max-width:800px;
  color:var(--text-2);
  font-size:16px;
  line-height:1.9;
}
.article-body p{margin:0 0 20px}
.article-body h2{
  position:relative;
  font-size:clamp(20px,2.4vw,26px);
  line-height:1.4;font-weight:700;color:var(--text-1);
  padding-left:16px;margin:44px 0 18px;letter-spacing:-.01em;
}
.article-body h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:linear-gradient(180deg,var(--primary),rgba(23,230,161,.15))}
.article-body h3{font-size:18px;line-height:1.5;font-weight:700;color:var(--text-1);margin:30px 0 12px}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:2px}
.article-body li{position:relative;padding-left:22px;margin-bottom:10px}
.article-body ul li::before{content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;border-radius:2px;background:var(--primary);box-shadow:0 0 8px rgba(23,230,161,.5)}
.article-body ol{counter-reset:art}
.article-body ol li{counter-increment:art}
.article-body ol li::before{
  content:counter(art);
  position:absolute;left:0;top:3px;
  width:18px;height:18px;border-radius:6px;
  display:grid;place-items:center;
  font-size:11px;font-weight:800;color:#04170F;background:var(--primary);
}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;
  border-left:3px solid var(--primary);
  background:rgba(23,230,161,.06);
  border-radius:0 12px 12px 0;
  color:var(--text-1);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:24px 0;border:1px solid var(--line)}
.article-body strong{color:var(--text-1);font-weight:700}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(23,230,161,.35)}
.article-body a:hover{color:#5ff5c1;border-bottom-color:#5ff5c1}
.article-body figure{margin:26px 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}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line-soft);text-align:left}
.article-body th{color:var(--text-1);font-weight:700;background:rgba(255,255,255,.03)}
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  width:100%;max-width:320px;margin:40px auto 0;text-align:center;gap:10px;
  padding:34px 26px;border:1px dashed var(--line);border-radius:var(--r-card);background:var(--bg-1);
}
.empty-state i{font-size:26px;color:var(--primary)}
.empty-state strong{color:var(--text-1);font-size:16px}
.empty-state p{color:var(--text-3);font-size:14px;margin:0}
.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;padding-top:26px;border-top:1px solid var(--line-soft)}
.article-tags .label{align-self:center;font-size:13px;color:var(--text-3);margin-right:4px}

/* ============ sidebar ============ */
.side-sticky{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1)}
.side-card h3{font-size:16px;font-weight:700;color:var(--text-1);margin-bottom:16px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--primary);font-size:14px}
.side-list li + li{border-top:1px solid var(--line-soft)}
.side-list a{display:block;padding:13px 0;color:var(--text-2);font-size:14px;line-height:1.6}
.side-list a:hover{color:var(--primary);transform:translateX(2px)}
.side-list .meta{display:block;margin-top:5px;font-size:12px;color:var(--text-3)}
.side-mini{display:flex;gap:12px;align-items:center;padding:12px 0}
.side-mini + .side-mini{border-top:1px solid var(--line-soft)}
.side-mini img{width:76px;height:56px;object-fit:cover;border-radius:10px;flex:0 0 auto}
.side-mini a{font-size:14px;color:var(--text-2);line-height:1.6}
.side-mini a:hover{color:var(--primary)}
.side-mini span{display:block;margin-top:4px;font-size:12px;color:var(--text-3)}
.side-cta{
  background:linear-gradient(160deg,rgba(23,230,161,.14),rgba(255,122,47,.06)),var(--bg-2);
  border:1px solid var(--primary-line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.side-cta p{font-size:14px;color:var(--text-2);margin-bottom:16px}

/* ============ related ============ */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--primary-line);box-shadow:var(--sh-2)}
.card-thumb{position:relative;overflow:hidden}
.card-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease}
.card:hover .card-thumb img{transform:scale(1.03)}
.card-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,17,15,0) 40%,rgba(6,17,15,.72))}
.card-thumb .badge{position:absolute;left:14px;top:14px;z-index:2}
.card-body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;line-height:1.55;font-weight:700;color:var(--text-1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:14px;border-top:1px solid var(--line-soft);font-size:12px;color:var(--text-3)}
.card-foot i{color:var(--primary);transition:transform .2s ease}
.card:hover .card-foot i{transform:translateX(3px)}

/* ============ CTA ============ */
.cta-wrap{padding:72px 0 88px}
.cta-card{
  display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center;
  padding:44px;
  border-radius:22px;
  background:linear-gradient(150deg,rgba(23,230,161,.12),rgba(255,122,47,.06)),var(--bg-1);
  border:1px solid var(--primary-line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--sh-3);
}
.cta-card h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700;color:var(--text-1);margin-bottom:14px}
.cta-points{display:flex;flex-direction:column;gap:10px;margin-top:16px}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-2)}
.cta-points i{color:var(--primary);margin-top:5px;font-size:13px}
.form-unit{display:flex;flex-direction:column;gap:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:13px;color:var(--text-3)}
.field input{
  height:46px;padding:0 14px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.12);
  color:var(--text-1);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.03);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:rgba(169,194,188,.5)}
.field input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(23,230,161,.16)}
.form-note{font-size:12px;color:var(--text-3);line-height:1.7}

/* ============ footer ============ */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(23,230,161,.06),rgba(6,17,15,0) 42px),var(--bg-0);
  padding-top:64px;
}
.site-footer::before{content:"";display:block;height:1px;margin-top:-1px;background:linear-gradient(90deg,rgba(23,230,161,0),rgba(23,230,161,.6),rgba(23,230,161,0))}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px}
.footer-brand p{font-size:14px;color:var(--text-2);margin-top:16px;max-width:320px}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text-1);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--primary);transform:translateX(2px)}
.footer-col p{font-size:14px;color:var(--text-2);margin-bottom:10px}
.copyright{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  padding:20px 0 28px;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--text-3);
}

/* ============ responsive ============ */
@media (max-width:1023px){
  .nav-toggle{display:flex}
  .nav-menu{
    position:absolute;left:0;right:0;top:100%;
    display:none;flex-direction:column;align-items:stretch;
    background:rgba(11,27,25,.98);
    border-bottom:1px solid var(--line);
    padding:14px 18px 22px;
    max-height:78vh;overflow-y:auto;
  }
  .nav-toggle-cb:checked ~ .nav-menu{display:flex}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-link{justify-content:space-between;width:100%;padding:13px 12px}
  .nav-link.active::after{display:none}
  .nav-link.active{background:var(--primary-soft)}
  .nav-cta{margin:12px 0 0;justify-content:center}
  .mega-panel{position:static;width:auto;opacity:1;visibility:visible;transform:none;box-shadow:none;margin-top:8px;padding:16px}
  .mega-grid{grid-template-columns:1fr}
  .section{padding:72px 0}
  .cta-card{grid-template-columns:1fr;padding:32px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .article-section{padding-top:44px}
  .art-cover{margin-top:24px}
  .related-grid{grid-template-columns:1fr}
  .side-sticky{position:static}
  .cta-wrap{padding:56px 0 64px}
  .cta-card{padding:24px;gap:24px}
  .breadcrumb .current{max-width:180px}
}
@media (max-width:520px){
  .header-inner{min-height:66px}
  .brand-text{font-size:17px}
  .art-head h1{font-size:26px}
  .article-body{font-size:15.5px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .copyright{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --bg-0:#06110F;
  --bg-1:#0B1B19;
  --bg-2:#102624;
  --primary:#17E6A1;
  --primary-soft:rgba(23,230,161,.12);
  --accent:#FF7A2F;
  --lime:#C6FF4A;
  --t1:#EAF6F2;
  --t2:#A9C2BC;
  --t3:#6F8B85;
  --line:rgba(255,255,255,.06);
  --line-2:rgba(255,255,255,.12);
  --glass:rgba(255,255,255,.06);
  --glass-line:rgba(23,230,161,.18);
  --r-card:16px;
  --r-btn:10px;
  --r-img:14px;
  --sh-1:0 4px 14px rgba(0,0,0,.35);
  --sh-2:0 14px 32px rgba(0,0,0,.5);
  --sh-3:0 20px 48px rgba(0,0,0,.55);
  --sh-glow:0 0 0 1px rgba(23,230,161,.35),0 10px 28px rgba(23,230,161,.18);
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --pad-section:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--primary);text-decoration:none;transition:color .18s ease,opacity .18s ease;}
a:hover{color:#59f6c2;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
  border-radius:6px;
}
h1,h2,h3,h4{margin:0 0 12px;color:var(--t1);letter-spacing:-.01em;font-weight:700;}
h1{font-size:clamp(30px,4.6vw,52px);line-height:1.15;font-weight:800;}
h2{font-size:clamp(24px,3vw,34px);line-height:1.25;}
h3{font-size:19px;line-height:1.4;font-weight:700;}
p{margin:0 0 16px;color:var(--t2);}
ul,ol{margin:0;padding:0;list-style:none;}
strong{color:var(--t1);}
time{display:inline-block;}
button{font-family:inherit;}
.button,.button:hover,.button:focus{background:transparent;color:inherit;}
input,textarea{font-family:inherit;font-size:15px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}

/* ===== 通用文字 ===== */
.eyebrow{display:inline-block;font-size:13px;letter-spacing:.14em;color:var(--primary);text-transform:uppercase;margin-bottom:14px;}
.lead{font-size:17px;line-height:1.85;color:var(--t2);}
.muted{color:var(--t3);font-size:14px;}
.num{font-variant-numeric:tabular-nums;font-weight:700;}

/* ===== 徽章 ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1.6;
  background:var(--primary-soft);color:var(--primary);
  border:1px solid rgba(23,230,161,.22);
}
.badge-accent{background:rgba(255,122,47,.14);color:var(--accent);border-color:rgba(255,122,47,.3);}
.badge-time{background:transparent;border:0;color:var(--t3);padding:0;font-weight:500;}
.badge-time::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--accent);display:inline-block;margin-right:8px;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;
  cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease;
}
.btn-primary{background:var(--primary);color:#04120E;box-shadow:var(--sh-glow);}
.btn-primary:hover{background:#2bf3b1;color:#04120E;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(23,230,161,.5),0 14px 34px rgba(23,230,161,.3);}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(23,230,161,.45),0 6px 16px rgba(23,230,161,.2);}
.btn-ghost{background:transparent;border-color:rgba(23,230,161,.55);color:var(--primary);}
.btn-ghost:hover{background:rgba(23,230,161,.08);color:var(--primary);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);background:rgba(23,230,161,.14);}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:600;color:var(--primary);}
.link-arrow i{transition:transform .18s ease;}
.link-arrow:hover i{transform:translateX(3px);}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(6,17,15,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--t1);letter-spacing:-.01em;}
.brand:hover{color:var(--t1);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(23,230,161,.92),rgba(198,255,74,.72));
  color:#04120E;font-size:15px;
  box-shadow:0 0 0 1px rgba(23,230,161,.35),0 8px 22px rgba(23,230,161,.22);
}
.brand-text b{color:var(--primary);font-weight:800;}
.nav-toggle-cb{display:none;}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line-2);border-radius:10px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--t1);border-radius:2px;transition:.2s;}
.nav-menu{display:flex;align-items:center;}
.nav-list{display:flex;align-items:center;gap:6px;}
.nav-list > li{position:relative;}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  min-height:44px;padding:0 14px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--t2);
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--t1);background:rgba(255,255,255,.05);}
.nav-link.active{color:var(--t1);}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;
  background:var(--primary);border-radius:2px;box-shadow:0 0 10px rgba(23,230,161,.7);
}
.nav-cta-item{margin-left:8px;}
.nav-cta{min-height:40px;padding:0 18px;font-size:14.5px;}

/* Mega 面板 */
.has-mega .mega-panel{
  position:absolute;top:calc(100% + 10px);right:0;width:640px;
  background:rgba(11,27,25,.97);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--glass-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-3),0 0 0 1px rgba(23,230,161,.08);
  padding:24px;
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.has-mega:hover .mega-panel,
.has-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;}
.mega-col h4{font-size:13px;letter-spacing:.12em;color:var(--t3);text-transform:uppercase;margin-bottom:14px;font-weight:700;}
.mega-links{display:grid;grid-template-columns:1fr 1fr;gap:6px 12px;margin-bottom:18px;}
.mega-links a{font-size:14px;color:var(--t2);padding:6px 0;display:block;border-bottom:1px solid transparent;}
.mega-links a:hover{color:var(--primary);border-bottom-color:rgba(23,230,161,.35);}
.mega-card{
  position:relative;border-radius:14px;overflow:hidden;padding:16px;
  background:linear-gradient(180deg,rgba(16,38,36,.2),rgba(6,17,15,.92));
  border:1px solid var(--line-2);
}
.mega-card img{width:100%;height:96px;object-fit:cover;border-radius:10px;margin-bottom:12px;opacity:.92;}
.mega-card span{display:block;font-size:14px;font-weight:700;color:var(--t1);margin-bottom:12px;}
.mega-card .btn{width:100%;min-height:40px;}
.mega-posts li{border-bottom:1px solid var(--line);}
.mega-posts li:last-child{border-bottom:0;}
.mega-posts a{display:block;font-size:14px;color:var(--t2);padding:12px 0;line-height:1.6;}
.mega-posts a:hover{color:var(--primary);}
.mega-posts time{display:block;font-size:12px;color:var(--t3);margin-top:4px;}

/* ===== 面包屑 ===== */
.crumb{padding:26px 0 4px;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:var(--t3);}
.crumb li{display:flex;align-items:center;gap:10px;}
.crumb li + li::before{content:"/";color:var(--t3);opacity:.6;}
.crumb a{color:var(--t2);}
.crumb a:hover{color:var(--primary);}
.crumb [aria-current="page"]{color:var(--t3);}

/* ===== 分类首屏（双栏图文） ===== */
.hero-cat{position:relative;padding:24px 0 88px;overflow:hidden;}
.hero-cat::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 420px at 12% 0%,rgba(23,230,161,.14),transparent 62%),
    radial-gradient(600px 380px at 96% 18%,rgba(255,122,47,.10),transparent 66%);
  pointer-events:none;
}
.hero-cat .container{position:relative;z-index:1;}
.hero-grid{margin-top:22px;}
.hero-cat h1{max-width:14em;}
.hero-sub{font-size:17px;color:var(--t2);max-width:30em;margin:18px 0 26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;border-top:1px solid var(--line);padding-top:22px;}
.hero-stats li{display:flex;flex-direction:column;gap:4px;}
.hero-stats strong{font-size:19px;color:var(--lime);font-variant-numeric:tabular-nums;letter-spacing:.01em;}
.hero-stats span{font-size:13.5px;color:var(--t3);line-height:1.6;}
.hero-visual{position:relative;border-radius:18px;overflow:hidden;box-shadow:var(--sh-2);}
.hero-visual img{width:100%;aspect-ratio:16/12;object-fit:cover;border-radius:18px;}
.hero-visual::after{
  content:"";position:absolute;inset:0;border-radius:18px;
  background:linear-gradient(180deg,rgba(6,17,15,.18) 0%,rgba(6,17,15,.72) 72%,rgba(6,17,15,.92) 100%);
  pointer-events:none;
}
.glass-card{
  position:absolute;left:20px;right:20px;bottom:20px;z-index:2;
  background:rgba(255,255,255,.06);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--glass-line);
  border-radius:14px;
  padding:20px 22px;
  box-shadow:var(--sh-1);
}
.glass-title{font-size:17px;font-weight:700;color:var(--t1);margin:12px 0 8px;line-height:1.5;}
.glass-card p{font-size:14px;color:var(--t2);margin:0 0 14px;line-height:1.75;}

/* ===== 板块通用 ===== */
.section{padding:var(--pad-section) 0;border-top:1px solid var(--line);position:relative;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head .section-title{max-width:22em;}
.h2-index{color:var(--primary);font-variant-numeric:tabular-nums;font-weight:800;font-size:.72em;margin-right:12px;vertical-align:2px;}
.section-desc{max-width:600px;font-size:15px;color:var(--t2);line-height:1.85;}
.sync-stamp{font-size:13px;color:var(--t3);display:inline-flex;align-items:center;gap:8px;}
.sync-stamp::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--primary);box-shadow:0 0 10px rgba(23,230,161,.8);}

/* ===== 能力矩阵（横向发光条） ===== */
.ability-list{display:flex;flex-direction:column;gap:14px;}
.ability-row{
  display:flex;gap:20px;align-items:flex-start;
  padding:22px 26px;
  background:linear-gradient(90deg,rgba(23,230,161,.07),rgba(255,255,255,.015) 62%,rgba(255,255,255,0));
  border:1px solid var(--line);
  border-left:3px solid rgba(23,230,161,.45);
  border-radius:14px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease,background .22s ease;
}
.ability-row:hover{
  transform:translateX(6px);
  border-color:var(--glass-line);
  border-left-color:var(--primary);
  box-shadow:var(--sh-2);
  background:linear-gradient(90deg,rgba(23,230,161,.13),rgba(255,255,255,.03) 62%,rgba(255,255,255,0));
}
.ability-icon{
  flex:0 0 46px;width:46px;height:46px;border-radius:12px;
  display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary);font-size:18px;
  border:1px solid rgba(23,230,161,.2);
}
.ability-body h3{font-size:18px;margin-bottom:6px;}
.ability-body p{font-size:14.5px;color:var(--t2);margin:0;line-height:1.8;}
.ability-meta{flex:0 0 auto;align-self:center;font-size:13px;color:var(--t3);white-space:nowrap;}

/* ===== 图文分栏 ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.split-media{position:relative;border-radius:18px;overflow:hidden;box-shadow:var(--sh-2);}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:18px;}
.split-media::after{
  content:"";position:absolute;inset:0;border-radius:18px;
  background:linear-gradient(200deg,rgba(6,17,15,.05),rgba(6,17,15,.55));
  pointer-events:none;
}
.check-list{margin-top:8px;}
.check-list li{
  position:relative;padding-left:26px;margin-bottom:12px;
  font-size:15px;color:var(--t2);line-height:1.8;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:10px;
  width:8px;height:8px;border-radius:3px;background:var(--primary);
  box-shadow:0 0 10px rgba(23,230,161,.7);
}
.check-list b{color:var(--t1);}

/* ===== 流程 ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;padding-top:8px;}
.steps::before{
  content:"";position:absolute;left:22px;right:22px;top:30px;height:1px;
  background:linear-gradient(90deg,rgba(23,230,161,.5),rgba(23,230,161,.12));
}
.step{position:relative;padding-top:52px;}
.step-num{
  position:absolute;top:0;left:0;
  width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--bg-1);border:1px solid rgba(23,230,161,.5);
  color:var(--primary);font-weight:800;font-size:16px;
  font-variant-numeric:tabular-nums;
  box-shadow:0 0 0 6px rgba(6,17,15,.9),0 0 18px rgba(23,230,161,.25);
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--t2);margin:0;line-height:1.8;}

/* ===== FAQ ===== */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start;}
.faq-aside h2{margin-bottom:16px;}
.faq-aside p{font-size:15px;color:var(--t2);}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;
  padding:20px 52px 20px 20px;
  font-size:17px;font-weight:700;color:var(--t1);line-height:1.6;
  transition:color .18s ease,background .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f105";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  color:var(--primary);font-size:15px;transition:transform .18s ease;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(90deg);}
.faq-item summary:hover{color:var(--primary);background:rgba(255,255,255,.02);}
.faq-item[open] summary{color:var(--primary);}
.faq-item[open] summary::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;
  background:var(--primary);border-radius:2px;
}
.faq-item p{margin:0;padding:0 52px 22px 20px;font-size:15px;color:var(--t2);line-height:1.85;}

/* ===== CTA ===== */
.cta-panel{
  background:var(--glass);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--glass-line);
  border-radius:20px;
  padding:44px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
  box-shadow:var(--sh-1);
}
.cta-panel h2{margin-bottom:14px;}
.cta-points{margin-top:20px;}
.cta-points li{
  position:relative;padding-left:24px;margin-bottom:10px;
  font-size:14.5px;color:var(--t2);line-height:1.8;
}
.cta-points li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;
  background:var(--accent);box-shadow:0 0 10px rgba(255,122,47,.6);
}
.form-card{background:rgba(6,17,15,.55);border:1px solid var(--line-2);border-radius:16px;padding:26px;box-shadow:var(--sh-1);}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--t3);margin-bottom:8px;letter-spacing:.02em;}
.field input{
  width:100%;min-height:46px;padding:0 14px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-2);
  border-radius:10px;color:var(--t1);
  box-shadow:inset 0 1px 0 rgba(0,0,0,.35);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field input::placeholder{color:var(--t3);}
.field input:focus{
  outline:none;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(23,230,161,.14),inset 0 1px 0 rgba(0,0,0,.35);
}
.field input:user-invalid{border-color:var(--accent);}
.form-card .btn{width:100%;margin-top:6px;}
.form-note{font-size:12.5px;color:var(--t3);margin:14px 0 0;line-height:1.7;}

/* ===== 交叉链接 ===== */
.cross-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.cross-card{
  display:flex;gap:20px;align-items:center;
  padding:20px;border-radius:var(--r-card);
  background:linear-gradient(140deg,rgba(255,255,255,.05),rgba(255,255,255,.01));
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.cross-card:hover{transform:translateY(-4px);border-color:var(--glass-line);box-shadow:var(--sh-2);}
.cross-card img{
  flex:0 0 150px;width:150px;aspect-ratio:16/11;object-fit:cover;border-radius:12px;
  transition:transform .3s ease;
}
.cross-card:hover img{transform:scale(1.03);}
.cross-card h3{font-size:17px;margin:10px 0 6px;color:var(--t1);}
.cross-card p{font-size:14px;color:var(--t2);margin:0;line-height:1.75;}
.cross-card .link-arrow{margin-top:10px;font-size:14px;}
.cross-card:hover h3{color:var(--primary);}

/* ===== 页脚 ===== */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(16,38,36,.35),rgba(6,17,15,0));
  padding:64px 0 30px;
  position:relative;
  margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(23,230,161,.7),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px;}
.footer-brand p{font-size:14px;color:var(--t2);margin-top:16px;max-width:24em;line-height:1.85;}
.footer-col h4{font-size:13px;letter-spacing:.12em;color:var(--t3);text-transform:uppercase;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14.5px;color:var(--t2);}
.footer-col a:hover{color:var(--primary);padding-left:2px;}
.footer-col p{font-size:14px;color:var(--t2);margin-bottom:8px;line-height:1.8;}
.copyright{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--t3);
}

/* ===== 响应式 ===== */
@media (max-width:1023px){
  :root{--pad-section:72px;}
  .header-inner{min-height:64px;}
  .nav-toggle{display:flex;}
  .nav-menu{
    position:absolute;left:0;right:0;top:100%;
    background:rgba(11,27,25,.98);
    backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;
    transition:max-height .3s ease;
  }
  .nav-toggle-cb:checked ~ .nav-menu{max-height:min(78vh,720px);overflow-y:auto;}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px;padding:14px 18px 24px;}
  .nav-list > li{width:100%;}
  .nav-link{padding:12px 6px;width:100%;justify-content:space-between;}
  .nav-link.active::after{left:6px;right:auto;width:28px;bottom:8px;}
  .nav-cta-item{margin:12px 0 0;}
  .nav-cta{width:100%;}
  .has-mega .mega-panel{
    position:static;width:auto;opacity:1;visibility:visible;transform:none;
    box-shadow:none;background:rgba(255,255,255,.03);
    border:1px solid var(--line);border-radius:12px;
    margin:8px 0 4px;padding:16px;
  }
  .mega-grid{grid-template-columns:1fr;gap:16px;}
  .mega-card{display:none;}
  .split,.faq-layout,.cta-panel{grid-template-columns:1fr;gap:32px;}
  .steps{grid-template-columns:1fr 1fr;}
  .steps::before{display:none;}
  .hero-stats{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  :root{--pad-section:56px;}
  .hero-cat{padding:10px 0 56px;}
  .hero-stats{grid-template-columns:1fr;gap:14px;border-top:1px solid var(--line);}
  .hero-stats li{flex-direction:row;align-items:baseline;gap:10px;}
  .hero-visual{order:-1;}
  .glass-card{position:static;margin-top:16px;background:rgba(255,255,255,.05);}
  .hero-visual::after{background:linear-gradient(180deg,rgba(6,17,15,.15),rgba(6,17,15,.6));}
  .steps{grid-template-columns:1fr;gap:20px;}
  .step{padding-top:0;padding-left:58px;min-height:48px;}
  .step-num{top:-4px;}
  .ability-row{flex-direction:column;gap:14px;padding:20px;}
  .ability-meta{align-self:flex-start;}
  .cta-panel{padding:26px;}
  .cross-grid{grid-template-columns:1fr;}
  .cross-card{flex-direction:column;align-items:flex-start;}
  .cross-card img{width:100%;flex:none;aspect-ratio:16/9;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .faq-item summary{padding:18px 44px 18px 16px;font-size:16px;}
  .faq-item p{padding:0 44px 20px 16px;}
  .section-head{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  h1{font-size:30px;}
  .brand{font-size:18px;}
  .hero-actions .btn{width:100%;}
}

/* roulang page: category2 */
:root{
  --bg-0:#06110F;
  --bg-1:#0B1B19;
  --bg-2:#102624;
  --primary:#17E6A1;
  --primary-dim:rgba(23,230,161,.12);
  --primary-line:rgba(23,230,161,.18);
  --accent:#FF7A2F;
  --lime:#C6FF4A;
  --text-1:#EAF6F2;
  --text-2:#A9C2BC;
  --text-3:#6F8B85;
  --line:rgba(255,255,255,.06);
  --line-2:rgba(255,255,255,.12);
  --glass:rgba(255,255,255,.06);
  --radius-card:16px;
  --radius-btn:10px;
  --radius-img:14px;
  --shadow-1:0 4px 14px rgba(0,0,0,.35);
  --shadow-2:0 14px 32px rgba(0,0,0,.5);
  --shadow-3:0 20px 48px rgba(0,0,0,.55);
  --glow:0 0 0 1px rgba(23,230,161,.35), 0 10px 28px rgba(23,230,161,.18);
  --glow-2:0 0 0 1px rgba(23,230,161,.45), 0 14px 34px rgba(23,230,161,.30);
  --container:1200px;
  --gutter:32px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","Oswald","PingFang SC",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-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease,transform .18s ease,opacity .18s ease;}
a:hover{color:var(--primary);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button,input,textarea,select{font-family:inherit;font-size:100%;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(23,230,161,.28);color:#fff;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:var(--gutter);
  padding-right:var(--gutter);
}
.section{padding-top:88px;padding-bottom:88px;position:relative;}
.section-tight{padding-top:64px;padding-bottom:64px;}
.section-line{border-top:1px solid var(--line);}
.section-head{margin-bottom:40px;max-width:780px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--primary);font-weight:700;
  padding:6px 14px;border-radius:999px;
  background:var(--primary-dim);border:1px solid var(--primary-line);
  margin-bottom:16px;
}
h1{font-size:clamp(30px,4.6vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.01em;}
h2{font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.01em;margin-bottom:14px;}
h3{font-size:19px;line-height:1.45;font-weight:700;}
h4{font-size:16px;font-weight:700;}
.lead{font-size:17px;color:var(--text-2);line-height:1.9;}
.muted{color:var(--text-2);}
.dim{color:var(--text-3);}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:.01em;}

/* ---------- 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:700;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--primary);color:#04140F;
  box-shadow:var(--glow);
}
.btn-primary:hover{background:#2BF0B1;color:#04140F;transform:translateY(-2px);box-shadow:var(--glow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(23,230,161,.4);}
.btn-ghost{
  background:transparent;color:var(--primary);
  border-color:var(--primary-line);
}
.btn-ghost:hover{background:rgba(23,230,161,.08);color:var(--primary);transform:translateY(-2px);border-color:rgba(23,230,161,.5);}
.btn-outline{
  background:transparent;color:var(--text-1);border-color:var(--line-2);
}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px);}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-weight:700;font-size:14px;
}
.text-link i{transition:transform .18s ease;}
.text-link:hover{color:#48F4BC;}
.text-link:hover i{transform:translateX(4px);}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:700;line-height:1.6;
}
.badge-cat{background:var(--primary-dim);color:var(--primary);border:1px solid var(--primary-line);}
.badge-time{background:transparent;color:var(--text-3);padding-left:0;}
.badge-time::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--text-3);display:inline-block;}
.badge-hot{background:var(--accent);color:#1B0A02;}
.badge-soft{background:rgba(198,255,74,.12);color:var(--lime);border:1px solid rgba(198,255,74,.25);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(6,17,15,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;min-height:72px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(23,230,161,.22),rgba(23,230,161,0));
  border:1px solid var(--primary-line);
  color:var(--primary);font-size:15px;
  box-shadow:0 0 18px rgba(23,230,161,.18);
}
.brand-text{font-size:19px;font-weight:800;letter-spacing:.02em;color:var(--text-1);}
.brand-text b{color:var(--primary);font-weight:800;}
.nav-toggle-cb{display:none;}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line-2);
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
  cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-1);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-list{
  display:flex;align-items:center;gap:6px;
}
.nav-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;border-radius:8px;
  font-size:15px;font-weight:600;color:var(--text-2);
  position:relative;
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.04);}
.nav-link.active{color:var(--primary);}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--primary);
}
.nav-cta-item{margin-left:10px;}

/* Mega 面板 */
.has-mega{position:relative;}
.mega-panel{
  position:absolute;top:calc(100% + 14px);right:-120px;
  width:640px;padding:24px;
  background:rgba(11,27,25,.96);
  backdrop-filter:blur(16px);
  border:1px solid var(--primary-line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-3),0 0 0 1px rgba(23,230,161,.08);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
  z-index:90;
}
.has-mega:hover .mega-panel,
.has-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.mega-col h4{font-size:13px;letter-spacing:.08em;color:var(--text-3);text-transform:uppercase;margin-bottom:12px;}
.mega-links{display:flex;flex-direction:column;gap:2px;margin-bottom:18px;}
.mega-links a{
  display:block;padding:8px 10px;border-radius:8px;
  font-size:14px;color:var(--text-2);
}
.mega-links a:hover{background:rgba(23,230,161,.08);color:var(--primary);transform:translateX(2px);}
.mega-card{
  border-radius:14px;overflow:hidden;position:relative;
  border:1px solid var(--line-2);background:var(--bg-2);
}
.mega-card img{width:100%;height:104px;object-fit:cover;opacity:.72;}
.mega-card span{display:block;padding:12px 14px 8px;font-size:14px;font-weight:700;color:var(--text-1);}
.mega-card .btn{width:calc(100% - 28px);margin:0 14px 14px;}
.mega-posts{display:flex;flex-direction:column;gap:10px;}
.mega-posts li a{
  display:block;font-size:14px;color:var(--text-2);line-height:1.6;padding-bottom:10px;border-bottom:1px solid var(--line);
}
.mega-posts li:last-child a{border-bottom:none;padding-bottom:0;}
.mega-posts time{display:block;font-size:12px;color:var(--text-3);margin-top:4px;}

/* ---------- Hero（居中窄栏流） ---------- */
.cat-hero{
  position:relative;
  padding:96px 0 80px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.cat-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  filter:saturate(.9);
}
.cat-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 420px at 50% -10%,rgba(23,230,161,.18),transparent 70%),
    linear-gradient(180deg,rgba(6,17,15,.82) 0%,rgba(6,17,15,.94) 60%,var(--bg-0) 100%);
}
.cat-hero-inner{position:relative;z-index:2;max-width:760px;margin:0 auto;text-align:center;}
.cat-hero-inner h1{margin:14px 0 18px;}
.cat-hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:28px;}

/* 数据条 */
.stat-strip{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
  margin-top:48px;position:relative;z-index:2;max-width:960px;margin-left:auto;margin-right:auto;
}
.stat-bar{
  background:var(--glass);
  backdrop-filter:blur(14px);
  border:1px solid var(--primary-line);
  border-radius:var(--radius-card);
  padding:22px 24px;text-align:left;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.stat-bar:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(23,230,161,.4);}
.stat-bar .stat-value{font-family:var(--font-num);font-size:34px;line-height:1.1;color:var(--lime);font-variant-numeric:tabular-nums;}
.stat-bar .stat-label{font-size:13px;color:var(--text-3);margin-top:2px;}
.stat-bar .stat-desc{font-size:14px;color:var(--text-2);margin-top:12px;line-height:1.7;}
.stat-track{height:4px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;margin-top:14px;}
.stat-track i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--lime));}

/* ---------- 能力行条 ---------- */
.row-cap{
  display:flex;align-items:flex-start;gap:18px;
  padding:22px 24px;border-radius:var(--radius-card);
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.row-cap + .row-cap{margin-top:14px;}
.row-cap:hover{background:rgba(23,230,161,.05);border-color:var(--primary-line);transform:translateX(4px);}
.row-cap .cap-icon{
  flex:0 0 46px;width:46px;height:46px;border-radius:12px;
  display:grid;place-items:center;
  background:rgba(23,230,161,.1);border:1px solid var(--primary-line);
  color:var(--primary);font-size:18px;
}
.row-cap .cap-body h3{margin-bottom:6px;}
.row-cap .cap-body p{font-size:15px;color:var(--text-2);}

/* ---------- 时间线 ---------- */
.timeline{position:relative;margin-top:24px;}
.timeline::before{
  content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;
  background:linear-gradient(180deg,transparent,var(--primary-line) 12%,var(--primary-line) 88%,transparent);
  transform:translateX(-50%);
}
.tl-item{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;padding:26px 0;}
.tl-item .tl-dot{
  position:absolute;left:50%;top:38px;width:14px;height:14px;border-radius:50%;
  background:var(--primary);transform:translate(-50%,-50%);
  box-shadow:0 0 0 5px rgba(23,230,161,.14),0 0 18px rgba(23,230,161,.6);
}
.tl-card{
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px 26px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--primary-line);}
.tl-card h3{margin-bottom:8px;}
.tl-card p{font-size:15px;color:var(--text-2);}
.tl-meta{display:flex;align-items:center;gap:10px;margin-bottom:10px;flex-wrap:wrap;}
.tl-time{font-family:var(--font-num);font-size:22px;color:var(--lime);font-variant-numeric:tabular-nums;}
.tl-item .tl-media{
  border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line-2);position:relative;
  min-height:180px;box-shadow:var(--shadow-1);
}
.tl-item .tl-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10;}
.tl-item .tl-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,17,15,.1),rgba(6,17,15,.55));}
.tl-item .tl-text{display:flex;align-items:center;}
.tl-item.reverse .tl-text{order:2;}
.tl-item.reverse .tl-media{order:1;}

/* ---------- 看板示例 ---------- */
.board{
  background:linear-gradient(180deg,rgba(16,38,36,.9),rgba(11,27,25,.9));
  border:1px solid var(--line-2);
  border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-1);
}
.board-row{display:flex;align-items:center;gap:14px;padding:12px 0;border-bottom:1px dashed var(--line);}
.board-row:last-child{border-bottom:none;}
.board-name{flex:0 0 96px;font-size:14px;color:var(--text-2);}
.board-track{flex:1;height:8px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden;}
.board-track i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--lime));}
.board-track.alt i{background:linear-gradient(90deg,var(--accent),#FFB27A);}
.board-val{flex:0 0 62px;text-align:right;font-family:var(--font-num);font-size:18px;color:var(--text-1);font-variant-numeric:tabular-nums;}
.board-tag{
  position:absolute;top:18px;right:18px;
}
.board-wrap{position:relative;}
.scene-card{
  background:var(--glass);backdrop-filter:blur(14px);
  border:1px solid var(--primary-line);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-1);
}
.scene-card img{border-radius:var(--radius-img);width:100%;aspect-ratio:16/9;object-fit:cover;margin-bottom:18px;}
.scene-list li{display:flex;gap:10px;font-size:15px;color:var(--text-2);padding:8px 0;border-bottom:1px solid var(--line);}
.scene-list li:last-child{border-bottom:none;}
.scene-list i{color:var(--primary);margin-top:6px;font-size:12px;}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);transition:background .18s ease;}
.faq-item summary{
  cursor:pointer;list-style:none;
  display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:22px 16px 22px 20px;
  font-size:17px;font-weight:700;color:var(--text-1);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary i{color:var(--primary);font-size:14px;margin-top:8px;transition:transform .18s ease;flex:0 0 auto;}
.faq-item[open]{box-shadow:inset 3px 0 0 0 var(--primary);background:rgba(23,230,161,.04);}
.faq-item[open] summary i{transform:rotate(90deg);}
.faq-body{padding:0 24px 22px 20px;color:var(--text-2);font-size:15px;}
.faq-item:hover summary{color:var(--primary);}

/* ---------- 交叉链接 ---------- */
.cross-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.cross-card{
  display:flex;gap:20px;align-items:center;
  background:var(--bg-1);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:20px;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.cross-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--primary-line);}
.cross-card img{
  flex:0 0 132px;width:132px;height:104px;object-fit:cover;
  border-radius:var(--radius-img);border:1px solid var(--line-2);
}
.cross-card h3{margin-bottom:6px;font-size:17px;}
.cross-card p{font-size:14px;color:var(--text-2);}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:20px;border:1px solid var(--primary-line);
  background:linear-gradient(135deg,rgba(16,38,36,.96),rgba(11,27,25,.96));
  padding:44px;
  box-shadow:var(--shadow-3);
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-80px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,230,161,.22),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;}
.cta-points li{display:flex;gap:10px;font-size:15px;color:var(--text-2);padding:6px 0;}
.cta-points i{color:var(--primary);margin-top:7px;font-size:11px;}
.cta-form{
  background:rgba(6,17,15,.62);
  border:1px solid var(--line-2);
  border-radius:var(--radius-card);
  padding:24px;
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px;}
.field input{
  width:100%;min-height:48px;padding:0 14px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-2);
  border-radius:var(--radius-btn);
  color:var(--text-1);
  box-shadow:inset 0 2px 8px rgba(0,0,0,.28);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field input::placeholder{color:var(--text-3);}
.field input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(23,230,161,.14);}
.field input:invalid:not(:placeholder-shown){border-color:var(--accent);}
.form-note{font-size:12px;color:var(--text-3);margin-top:12px;line-height:1.7;}
.cta-form .btn{width:100%;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:40px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(11,27,25,.6),var(--bg-0));
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(23,230,161,.6),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;
  padding:56px 0 36px;
}
.footer-col h4{font-size:14px;letter-spacing:.06em;color:var(--text-1);margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--text-2);display:inline-block;}
.footer-col a:hover{color:var(--primary);transform:translateX(2px);}
.footer-brand p{font-size:14px;color:var(--text-2);margin-top:14px;max-width:300px;}
.footer-col p{font-size:14px;color:var(--text-2);margin-bottom:8px;}
.copyright{
  border-top:1px solid var(--line);
  padding:20px 0 32px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--gutter:24px;}
  .section{padding-top:72px;padding-bottom:72px;}
  .nav-toggle{display:flex;}
  .nav-menu{
    position:absolute;left:0;right:0;top:100%;
    background:rgba(6,17,15,.98);
    backdrop-filter:blur(16px);
    border-bottom:1px solid var(--line);
    padding:12px 24px 24px;
    display:none;
    max-height:78vh;overflow-y:auto;
  }
  .nav-toggle-cb:checked ~ .nav-menu{display:block;}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px;}
  .nav-link{padding:14px 8px;font-size:16px;justify-content:space-between;}
  .nav-link.active::after{left:8px;right:auto;width:22px;bottom:8px;}
  .nav-cta-item{margin:12px 0 0;}
  .nav-cta-item .btn{width:100%;}
  .has-mega{position:static;}
  .mega-panel{
    position:static;width:100%;opacity:1;visibility:visible;transform:none;
    margin-top:8px;padding:18px;box-shadow:none;background:rgba(255,255,255,.03);
  }
  .mega-grid{grid-template-columns:1fr;}
  .faq-wrap{grid-template-columns:1fr;gap:28px;}
  .cta-inner{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:767px){
  :root{--gutter:18px;}
  body{font-size:15px;}
  .section{padding-top:56px;padding-bottom:56px;}
  .cat-hero{padding:64px 0 56px;}
  .stat-strip{grid-template-columns:1fr;gap:14px;margin-top:36px;}
  .tl-item{grid-template-columns:1fr;gap:18px;padding:18px 0;}
  .timeline::before{left:7px;}
  .tl-item .tl-dot{left:7px;top:26px;width:12px;height:12px;}
  .tl-item .tl-text,.tl-item.reverse .tl-text{order:1;}
  .tl-item .tl-media,.tl-item.reverse .tl-media{order:2;}
  .tl-item > *{padding-left:28px;}
  .cross-grid{grid-template-columns:1fr;}
  .cross-card{flex-direction:column;align-items:flex-start;}
  .cross-card img{width:100%;flex:none;height:150px;}
  .cta-band{padding:26px;}
  .footer-grid{grid-template-columns:1fr;padding-top:44px;}
  .cat-hero-actions .btn{width:100%;}
  .board-name{flex:0 0 74px;font-size:13px;}
}

/* roulang page: category3 */
:root{
  --bg-0:#06110F;
  --bg-1:#0B1B19;
  --bg-2:#102624;
  --primary:#17E6A1;
  --primary-deep:#0C8F66;
  --accent:#FF7A2F;
  --lime:#C6FF4A;
  --text-1:#EAF6F2;
  --text-2:#A9C2BC;
  --text-3:#6F8B85;
  --line:rgba(255,255,255,.06);
  --line-strong:rgba(255,255,255,.12);
  --glass:rgba(255,255,255,.06);
  --glass-line:rgba(23,230,161,.18);
  --radius:16px;
  --radius-btn:10px;
  --radius-img:14px;
  --shadow-1:0 4px 14px rgba(0,0,0,.35);
  --shadow-2:0 14px 32px rgba(0,0,0,.5);
  --shadow-3:0 20px 48px rgba(0,0,0,.55);
  --glow:0 0 0 1px rgba(23,230,161,.35),0 10px 28px rgba(23,230,161,.18);
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"Barlow Condensed","Oswald","PingFang SC",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-1);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,transform .18s ease,border-color .18s ease}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
  border-radius:6px;
}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.25;color:var(--text-1)}
h1{font-size:clamp(30px,4.2vw,46px);font-weight:800;line-height:1.15}
h2{font-size:clamp(24px,3vw,34px)}
h3{font-size:19px}
h4{font-size:16px}
p{margin:0 0 16px;color:var(--text-2)}
ul,ol{list-style:none;margin:0;padding:0}
button{font-family:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:88px 0;position:relative}
.section + .section{border-top:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:40px}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--primary);margin-bottom:12px;text-transform:uppercase}
.section-head p{margin:14px 0 0;font-size:16px;color:var(--text-2);max-width:640px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(6,17,15,.9);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04120E;font-size:16px;
  box-shadow:0 0 0 1px rgba(23,230,161,.35),0 8px 22px rgba(23,230,161,.18);
}
.brand-text{font-size:20px;font-weight:800;letter-spacing:.02em;color:var(--text-1)}
.brand-text b{color:var(--primary);font-weight:800}
.nav-toggle-cb{display:none}
.nav-toggle{display:none}
.nav-menu{display:flex;align-items:center}
.nav-list{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  min-height:44px;padding:0 14px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--text-2);
}
.nav-link:hover{color:var(--text-1);background:rgba(255,255,255,.05)}
.nav-link.active{color:var(--primary)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:8px;height:2px;
  background:var(--primary);border-radius:2px;
}
.nav-cta{margin-left:8px}
.has-mega{position:relative}
.mega-panel{
  position:absolute;top:calc(100% + 12px);right:0;width:640px;padding:24px;
  border-radius:var(--radius);
  background:rgba(11,27,25,.97);
  border:1px solid var(--glass-line);
  box-shadow:var(--shadow-3),0 0 0 1px rgba(23,230,161,.06);
  backdrop-filter:blur(14px);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.has-mega:hover .mega-panel,.has-mega:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:26px}
.mega-col h4{font-size:13px;letter-spacing:.1em;color:var(--text-3);margin-bottom:14px;text-transform:uppercase}
.mega-links{display:grid;grid-template-columns:1fr 1fr;gap:2px 12px;margin-bottom:18px}
.mega-links a{display:block;padding:6px 0;font-size:14px;color:var(--text-2);border-radius:6px}
.mega-links a:hover{color:var(--primary);transform:translateX(2px)}
.mega-card{
  position:relative;padding:16px;border-radius:12px;overflow:hidden;
  background:var(--bg-2);border:1px solid var(--line);
}
.mega-card img{width:100%;height:86px;object-fit:cover;border-radius:10px;margin-bottom:10px;opacity:.85}
.mega-card span{display:block;font-size:14px;color:var(--text-1);margin-bottom:12px;font-weight:600}
.mega-posts li + li{border-top:1px solid var(--line)}
.mega-posts a{display:block;padding:10px 0;font-size:14px;color:var(--text-2);line-height:1.5}
.mega-posts a:hover{color:var(--primary)}
.mega-posts time{display:block;font-size:12px;color:var(--text-3);margin-top:4px;font-family:var(--font-num);font-variant-numeric:tabular-nums}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--primary);color:#04120E;box-shadow:var(--glow)}
.btn-primary:hover{background:#2BF3B2;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(23,230,161,.4),0 14px 32px rgba(23,230,161,.3);color:#04120E}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;border-color:rgba(23,230,161,.5);color:var(--primary)}
.btn-ghost:hover{background:rgba(23,230,161,.08);transform:translateY(-2px);color:var(--primary)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.link-arrow{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-weight:700;font-size:15px}
.link-arrow i{transition:transform .18s ease}
.link-arrow:hover i{transform:translateX(4px)}
.link-arrow:hover{color:#2BF3B2}

/* ============ 徽章 / 标签 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:13px;font-weight:700;line-height:1.6}
.badge-primary{background:rgba(23,230,161,.12);color:var(--primary);border:1px solid rgba(23,230,161,.28)}
.badge-accent{background:var(--accent);color:#1A0C04;border:1px solid transparent}
.badge-ghost{background:rgba(255,255,255,.06);color:var(--text-2);border:1px solid var(--line)}
.tag{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;font-size:12px;color:var(--text-2);background:rgba(255,255,255,.05);border:1px solid var(--line)}

/* ============ 头图区（通栏图 + 悬浮玻璃卡） ============ */
.page-hero{position:relative;display:flex;align-items:flex-end;min-height:600px;overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  transform:scale(1.04);
}
.page-hero-veil{
  position:absolute;inset:0;
  background:
    radial-gradient(120% 90% at 12% 88%,rgba(23,230,161,.2),transparent 62%),
    linear-gradient(180deg,rgba(6,17,15,.6) 0%,rgba(6,17,15,.8) 48%,rgba(6,17,15,.97) 100%);
}
.page-hero-grid{
  position:absolute;inset:0;opacity:.28;
  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;
  mask-image:linear-gradient(180deg,transparent,#000 40%,transparent);
  -webkit-mask-image:linear-gradient(180deg,transparent,#000 40%,transparent);
}
.page-hero-inner{position:relative;z-index:2;width:100%;padding-top:130px;padding-bottom:56px;display:flex;flex-direction:column;gap:26px}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-3)}
.crumb li::after{content:"/";margin-left:10px;color:var(--text-3)}
.crumb li:last-child::after{content:"";margin:0}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--primary)}
.crumb li:last-child{color:var(--text-2)}
.hero-glass{
  align-self:flex-start;
  max-width:640px;padding:30px;
  border-radius:18px;
  background:var(--glass);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-3);
}
.hero-glass h1{margin:16px 0 14px}
.hero-glass h1 em{font-style:normal;color:var(--primary)}
.hero-glass > p{font-size:17px;color:var(--text-2);max-width:540px;margin-bottom:22px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.hero-mini{display:flex;flex-wrap:wrap;gap:10px 22px;padding-top:18px;border-top:1px solid var(--line)}
.hero-mini li{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2)}
.hero-mini li i{color:var(--primary);font-size:12px}

/* ============ 数据条 ============ */
.stats{padding:38px 0;border-bottom:1px solid var(--line);background:linear-gradient(90deg,rgba(23,230,161,.07),transparent 65%)}
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.stat{position:relative;padding-left:20px}
.stat::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:2px;border-radius:2px;background:linear-gradient(180deg,var(--primary),rgba(23,230,161,0))}
.stat-num{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;
  font-size:34px;font-weight:700;color:var(--lime);line-height:1.1;letter-spacing:.01em;
}
.stat-title{display:block;font-size:15px;font-weight:700;color:var(--text-1);margin:6px 0 4px}
.stat p{margin:0;font-size:13.5px;color:var(--text-3);line-height:1.7}

/* ============ 节奏行条 ============ */
.rhythm-list{display:flex;flex-direction:column;gap:14px}
.rhythm-row{
  display:grid;grid-template-columns:200px 1fr 300px;align-items:center;gap:24px;
  padding:20px 24px;border-radius:var(--radius);
  background:var(--bg-1);border:1px solid var(--line);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.rhythm-row:hover{border-color:rgba(23,230,161,.35);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.rhythm-label{display:flex;align-items:center;gap:12px;font-size:16px;font-weight:700;color:var(--text-1)}
.rhythm-label .num{
  font-family:var(--font-num);font-size:20px;font-weight:700;color:var(--primary);
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:rgba(23,230,161,.1);border:1px solid rgba(23,230,161,.28);flex-shrink:0;
}
.rhythm-bar{height:8px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden}
.rhythm-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--lime))}
.rhythm-note{font-size:13.5px;color:var(--text-3);line-height:1.7}

/* ============ 图文交替 ============ */
.media-row{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.media-row.reverse .media-col-media{order:2}
.media-col-media{position:relative;border-radius:var(--radius-img);overflow:hidden;box-shadow:var(--shadow-2)}
.media-col-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-img);transition:transform .4s ease}
.media-col-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius-img);
  background:linear-gradient(180deg,rgba(6,17,15,.12),rgba(6,17,15,.62));
  pointer-events:none;
}
.media-col-media:hover img{transform:scale(1.03)}
.media-col-body h2{margin-bottom:16px}
.media-col-body > p{font-size:16px;color:var(--text-2);margin-bottom:20px;max-width:560px}
.tick-list{display:flex;flex-direction:column;gap:12px;margin-bottom:24px}
.tick-list li{position:relative;padding-left:26px;font-size:15px;color:var(--text-2);line-height:1.75}
.tick-list li::before{
  content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 0 3px rgba(23,230,161,.14);
}
.tick-list li strong{color:var(--text-1);font-weight:700}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start}
.faq-aside h2{margin-bottom:14px}
.faq-aside p{font-size:15px;color:var(--text-2);margin-bottom:20px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  border-radius:14px;background:var(--bg-1);border:1px solid var(--line);
  border-left:3px solid transparent;
  transition:border-color .18s ease,background-color .18s ease;
}
.faq-item + .faq-item{margin-top:0}
.faq-item[open]{border-left-color:var(--primary);background:var(--bg-2)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 24px;font-size:16px;font-weight:700;color:var(--text-1);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--primary)}
.faq-item summary i{color:var(--primary);font-size:14px;transition:transform .18s ease;flex-shrink:0}
.faq-item[open] summary i{transform:rotate(90deg)}
.faq-body{padding:0 24px 22px;border-top:1px solid var(--line);margin-top:0}
.faq-body p{margin:16px 0 0;font-size:15px;color:var(--text-2);line-height:1.85}

/* ============ 交叉链接 ============ */
.cross-card{
  display:flex;flex-direction:column;height:100%;
  border-radius:var(--radius);overflow:hidden;
  background:var(--bg-1);border:1px solid var(--line);
  transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.cross-card:hover{border-color:rgba(23,230,161,.4);transform:translateY(-3px);box-shadow:var(--shadow-2)}
.cross-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.cross-card-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1}
.cross-card-body h3{font-size:18px}
.cross-card-body p{margin:0;font-size:14.5px;color:var(--text-2);line-height:1.75;flex:1}
.cross-card-body .link-arrow{font-size:14px}

/* ============ CTA + 表单 ============ */
.cta-box{
  padding:40px;border-radius:20px;
  background:var(--glass);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-3);
  display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:start;
}
.cta-copy h2{margin-bottom:16px}
.cta-copy > p{font-size:16px;color:var(--text-2);max-width:520px;margin-bottom:22px}
.cta-points{display:flex;flex-direction:column;gap:12px}
.cta-points li{position:relative;padding-left:24px;font-size:15px;color:var(--text-2)}
.cta-points li::before{
  content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:50%;
  background:var(--primary);box-shadow:0 0 0 3px rgba(23,230,161,.15);
}
.form-card{padding:26px;border-radius:var(--radius);background:rgba(6,17,15,.6);border:1px solid var(--line)}
.field{margin-bottom:18px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--text-2);margin-bottom:8px}
.field input{
  width:100%;min-height:48px;padding:12px 16px;border-radius:var(--radius-btn);
  background:#081512;border:1px solid var(--line-strong);color:var(--text-1);
  font-size:15px;font-family:inherit;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.03);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field input::placeholder{color:var(--text-3)}
.field input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(23,230,161,.16)}
.form-note{font-size:12.5px;color:var(--text-3);line-height:1.7;margin:14px 0 0}
.form-card .btn{width:100%}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;
  margin-top:0;
  padding:72px 0 0;
  background:var(--bg-1);
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(23,230,161,.7),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-col h4{font-size:14px;color:var(--text-1);margin-bottom:16px;letter-spacing:.02em}
.footer-col p{font-size:13.5px;color:var(--text-3);line-height:1.8;margin:0 0 10px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{max-width:300px;font-size:14px;color:var(--text-2)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul a{display:inline-block;font-size:14px;color:var(--text-2)}
.footer-col ul a:hover{color:var(--primary);transform:translateX(2px)}
.copyright{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  padding:20px 0 28px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .container{padding:0 18px}
  .section{padding:72px 0}
  .nav-toggle{
    display:flex;flex-direction:column;justify-content:center;gap:5px;
    width:44px;height:44px;padding:0 11px;border-radius:10px;
    border:1px solid var(--line);background:rgba(255,255,255,.03);cursor:pointer;
  }
  .nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--text-1);transition:transform .2s ease,opacity .2s ease}
  .nav-toggle-cb:checked + .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle-cb:checked + .nav-toggle span:nth-child(2){opacity:0}
  .nav-toggle-cb:checked + .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .nav-menu{
    position:fixed;top:72px;left:0;right:0;bottom:0;
    display:block;overflow-y:auto;
    padding:18px 18px 48px;
    background:rgba(6,17,15,.99);
    border-top:1px solid var(--line);
    transform:translateX(100%);visibility:hidden;
    transition:transform .25s ease,visibility .25s ease;
  }
  .nav-toggle-cb:checked ~ .nav-menu{transform:translateX(0);visibility:visible}
  .nav-list{flex-direction:column;align-items:stretch;gap:4px}
  .nav-link{justify-content:space-between;font-size:16px;padding:0 14px;min-height:48px}
  .nav-link.active::after{left:14px;right:auto;width:22px;bottom:6px}
  .nav-cta{margin:14px 0 0;width:100%}
  .mega-panel{
    position:static;width:auto;margin:8px 0 4px;padding:16px;
    opacity:1;visibility:visible;transform:none;box-shadow:none;
    background:rgba(255,255,255,.04);display:none;
  }
  .has-mega:hover .mega-panel,.has-mega:focus-within .mega-panel{display:block}
  .mega-grid{grid-template-columns:1fr;gap:18px}
  .page-hero{min-height:auto}
  .page-hero-inner{padding-top:88px;padding-bottom:44px}
  .hero-glass{max-width:100%;padding:24px}
  .stats-grid{grid-template-columns:1fr;gap:20px}
  .rhythm-row{grid-template-columns:1fr;gap:14px;padding:20px}
  .media-row{grid-template-columns:1fr;gap:28px}
  .media-row.reverse .media-col-media{order:0}
  .faq-wrap{grid-template-columns:1fr;gap:32px}
  .cta-box{grid-template-columns:1fr;gap:32px;padding:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .section{padding:56px 0}
  .page-hero-inner{padding-top:64px}
  .hero-glass{padding:20px}
  .hero-glass h1{margin:14px 0 12px}
  .hero-actions .btn{width:100%}
  .stat-num{font-size:28px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .copyright{flex-direction:column;align-items:flex-start}
  .cross-card-body{padding:20px}
}
@media (max-width:520px){
  h1{font-size:28px}
  h2{font-size:23px}
  .container{padding:0 16px}
  .hero-mini{gap:8px 16px}
  .btn{width:100%}
  .link-arrow{width:auto}
}