/* roulang page: index */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1018;
  --bg-2:#101A26;
  --primary:#23E3B8;
  --primary-deep:#0FA88C;
  --accent:#FF8A3D;
  --accent-2:#6C8CFF;
  --text:#EAF2F5;
  --text-dim:#93A6B4;
  --line:rgba(255,255,255,.08);
  --glass:rgba(16,26,38,.55);
  --radius-card:16px;
  --radius-btn:12px;
  --radius-input:10px;
  --radius-img:14px;
  --shadow-hover:0 12px 32px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(35,227,184,.35),0 8px 24px rgba(35,227,184,.28);
  --gap-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(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;background:none}
a:hover{color:var(--primary)}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:.01em}
p{margin:0}
::selection{background:rgba(35,227,184,.3)}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--gap-section) 0;position:relative}
.section--alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:40px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.1em;color:var(--primary);
  text-transform:uppercase;margin-bottom:14px;
}
.section-head .eyebrow::before{content:"";width:18px;height:2px;background:var(--primary);border-radius:2px}
.section-head h2{font-size:30px;margin-bottom:14px}
.section-head p{color:var(--text-dim);font-size:16px}
.num{font-variant-numeric:tabular-nums;letter-spacing:.02em}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);border:1px solid transparent;
  padding:13px 24px;font-size:15px;font-weight:600;cursor:pointer;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
  min-height:44px;text-align:center;
}
.btn-primary{
  background:linear-gradient(120deg,var(--primary),var(--primary-deep));
  background-size:160% 100%;background-position:0 0;
  color:#04120E;box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-2px);background-position:20% 0;color:#04120E;box-shadow:0 0 0 1px rgba(35,227,184,.45),0 12px 28px rgba(35,227,184,.36)}
.btn-primary:active{transform:translateY(1px)}
.btn-outline{
  background:rgba(255,255,255,.03);border-color:rgba(255,255,255,.16);
  color:var(--text);backdrop-filter:blur(10px);
}
.btn-outline:hover{border-color:rgba(35,227,184,.5);color:var(--primary);transform:translateY(-2px)}
.btn-accent{background:linear-gradient(120deg,#FFA05E,var(--accent));color:#231004;box-shadow:0 8px 22px rgba(255,138,61,.28)}
.btn-accent:hover{transform:translateY(-2px);color:#231004;box-shadow:0 12px 28px rgba(255,138,61,.38)}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed;transform:none}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;
  padding:4px 10px;border-radius:6px;font-size:12px;font-weight:600;
  background:rgba(108,140,255,.14);color:#A9BCFF;border:1px solid rgba(108,140,255,.24);
}
.tag--primary{background:rgba(35,227,184,.12);color:var(--primary);border-color:rgba(35,227,184,.28)}
.badge-rec{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12px;font-weight:700;
  background:rgba(255,138,61,.16);color:#FFB37D;border:1px solid rgba(255,138,61,.35);
}
.breadcrumb{display:flex;flex-wrap:wrap;gap:6px;color:var(--text-dim);font-size:13px}
.breadcrumb a:hover{color:var(--primary)}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(10,16,24,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .24s ease-out,border-color .24s ease-out,box-shadow .24s ease-out;
}
.site-header.is-scrolled{background:rgba(5,8,15,.94);box-shadow:0 10px 30px rgba(0,0,0,.5)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;letter-spacing:.01em}
.logo-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04120E;font-size:16px;font-weight:900;
}
.logo-text{white-space:nowrap;color:var(--text)}
.logo:hover .logo-text{color:var(--primary)}
.main-nav{display:flex;align-items:center;gap:28px}
.main-nav a{position:relative;padding:8px 0;font-size:15px;color:var(--text-dim);transition:color .2s ease-out}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease-out;
}
.main-nav a:hover{color:var(--text)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.is-active{color:var(--primary)}
.main-nav a.is-active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-actions .btn{padding:10px 18px;font-size:14px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  cursor:pointer;padding:0;place-items:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);margin:3px auto;border-radius:2px;transition:transform .2s ease-out,opacity .2s ease-out}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(330px,86vw);z-index:130;
  background:#080D16;border-left:1px solid var(--line);
  transform:translateX(105%);transition:transform .26s ease-out;
  padding:26px 22px;display:flex;flex-direction:column;gap:6px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-close{width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text);cursor:pointer}
.drawer-link{padding:14px 12px;border-radius:12px;color:var(--text-dim);border:1px solid transparent;transition:.2s}
.drawer-link:hover{background:rgba(255,255,255,.04);color:var(--text)}
.drawer-link.is-active{color:var(--primary);background:rgba(35,227,184,.08);border-color:rgba(35,227,184,.22)}
.drawer-cta{margin-top:auto}
.drawer-mask{
  position:fixed;inset:0;background:rgba(3,6,11,.7);z-index:120;
  opacity:0;pointer-events:none;transition:opacity .24s ease-out;backdrop-filter:blur(2px);
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:140px 0 84px;background:var(--bg-0)}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.34;filter:saturate(.85);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 420px at 12% 8%,rgba(35,227,184,.16),transparent 62%),
    linear-gradient(180deg,rgba(5,8,15,.72) 0%,rgba(5,8,15,.9) 62%,var(--bg-0) 100%);
}
.hero .container{position:relative;z-index:2}
.hero-copy .eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  padding:6px 14px;border-radius:999px;font-size:13px;color:var(--primary);
  background:rgba(35,227,184,.1);border:1px solid rgba(35,227,184,.26);margin-bottom:20px;
}
.hero h1{font-size:48px;letter-spacing:.01em;margin-bottom:18px}
.hero-sub{color:var(--text-dim);font-size:17px;max-width:620px;line-height:1.85}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;list-style:none;padding:0;margin:34px 0 0;gap:0}
.hero-stats li{padding:0 22px;border-left:1px solid rgba(255,255,255,.14)}
.hero-stats li:first-child{padding-left:0;border-left:0}
.hero-stats strong{display:block;font-size:24px;color:var(--primary);font-variant-numeric:tabular-nums}
.hero-stats span{font-size:13px;color:var(--text-dim)}
.hero-visual{position:relative;margin-top:32px}
.hero-shot{
  margin:0;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid rgba(255,255,255,.12);
  background:var(--glass);backdrop-filter:blur(14px);
  box-shadow:0 24px 60px rgba(0,0,0,.55);
}
.hero-shot img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-float{
  position:absolute;left:-14px;bottom:-18px;
  display:flex;align-items:center;gap:12px;
  padding:14px 18px;border-radius:14px;
  background:var(--glass);backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.14);
  box-shadow:var(--shadow-hover);
}
.hero-float .dot{width:9px;height:9px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 4px rgba(35,227,184,.18)}
.hero-float strong{display:block;font-size:14px}
.hero-float span{font-size:12px;color:var(--text-dim)}
.hero-glow{position:absolute;width:320px;height:320px;right:-60px;top:-60px;background:radial-gradient(circle,rgba(35,227,184,.22),transparent 68%);pointer-events:none}

/* ---------- 能力路径卡 ---------- */
.path-grid{margin-top:8px}
.path-main{
  position:relative;border-radius:var(--radius-card);overflow:hidden;
  border:1px solid var(--line);background:var(--glass);backdrop-filter:blur(14px);
  min-height:320px;display:flex;flex-direction:column;justify-content:flex-end;
  padding:28px;
}
.path-main img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42}
.path-main::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,.15),rgba(5,8,15,.92))}
.path-main > *{position:relative;z-index:2}
.path-main h3{font-size:21px;margin:14px 0 10px}
.path-main p{color:var(--text-dim);font-size:15px}
.path-list{display:flex;flex-direction:column;gap:16px}
.path-item{
  display:block;padding:20px 22px;border-radius:var(--radius-card);
  background:rgba(255,255,255,.02);border:1px solid var(--line);
  transition:transform .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out,background .22s ease-out;
}
.path-item h3{font-size:17px;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.path-item h3::before{content:"";width:8px;height:8px;border-radius:3px;background:var(--primary);flex:0 0 8px}
.path-item p{color:var(--text-dim);font-size:14px}
.path-item:hover{transform:translateY(-4px);border-color:rgba(35,227,184,.22);background:rgba(35,227,184,.05);box-shadow:var(--shadow-hover)}

/* ---------- 权益阶梯 ---------- */
.ladder{display:flex;flex-direction:column;gap:14px}
.ladder-item{
  position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:16px 22px;
  padding:20px 24px;border-radius:var(--radius-card);
  background:var(--glass);border:1px solid var(--line);
  border-left:3px solid rgba(35,227,184,.25);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.ladder-item:nth-child(1){min-height:78px;border-left-color:rgba(35,227,184,.28)}
.ladder-item:nth-child(2){min-height:90px;border-left-color:rgba(35,227,184,.5)}
.ladder-item:nth-child(3){min-height:102px;border-left-color:rgba(35,227,184,.72)}
.ladder-item:nth-child(4){min-height:114px;border-left-color:var(--primary)}
.ladder-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.ladder-no{
  width:44px;height:44px;flex:0 0 44px;border-radius:12px;
  display:grid;place-items:center;font-weight:800;
  border:1px solid rgba(35,227,184,.4);color:var(--primary);background:rgba(35,227,184,.08);
  font-variant-numeric:tabular-nums;
}
.ladder-body{flex:1 1 260px;min-width:220px}
.ladder-body h3{font-size:18px;margin-bottom:6px}
.ladder-body p{color:var(--text-dim);font-size:14px}
.ladder-gate{flex:0 0 auto;font-size:13px;color:var(--text-dim);min-width:150px}
.ladder-link{font-size:14px;font-weight:600;color:var(--primary);white-space:nowrap}
.ladder-link:hover{color:#7BF3D8;text-decoration:underline;text-underline-offset:4px}

/* ---------- 套餐对比 ---------- */
.compare .tabs{background:transparent;border:0;display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.compare .tabs-title{float:none}
.compare .tabs-title > a{
  background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:999px;
  color:var(--text-dim);padding:9px 20px;font-size:14px;transition:.2s;
}
.compare .tabs-title > a:hover{background:rgba(255,255,255,.08);color:var(--text)}
.compare .tabs-title.is-active > a{background:rgba(35,227,184,.14);border-color:rgba(35,227,184,.45);color:var(--primary)}
.compare .tabs-panel{padding:0}
.compare-scroll{overflow-x:auto;padding-bottom:8px;scrollbar-color:rgba(35,227,184,.5) rgba(255,255,255,.05)}
.compare-scroll::-webkit-scrollbar{height:8px}
.compare-scroll::-webkit-scrollbar-track{background:rgba(255,255,255,.05);border-radius:999px}
.compare-scroll::-webkit-scrollbar-thumb{background:rgba(35,227,184,.45);border-radius:999px}
.compare-grid{
  display:grid;grid-template-columns:190px repeat(3,minmax(210px,1fr));
  gap:1px;background:var(--line);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;min-width:830px;
}
.compare-cell{background:var(--bg-2);padding:18px 20px;font-size:14px;color:var(--text-dim);display:flex;align-items:center}
.compare-cell.is-head{background:#0C1521;font-weight:700;color:var(--text);font-size:15px;flex-direction:column;align-items:flex-start;gap:8px;justify-content:center}
.compare-cell.is-dim{position:sticky;left:0;z-index:3;background:#0C1521;color:var(--text);font-weight:600}
.compare-cell.is-rec{background:rgba(35,227,184,.08);color:var(--text)}
.compare-cell.is-head.is-rec{background:rgba(35,227,184,.14)}
.compare-cell span.muted{display:block;font-size:12px;color:var(--text-dim);font-weight:400}
.compare-note{margin-top:14px;font-size:13px;color:var(--text-dim)}

/* ---------- 限时通道 ---------- */
.limited{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px 26px;
  padding:20px 26px;border-radius:var(--radius-card);
  background:linear-gradient(90deg,rgba(255,138,61,.18),rgba(255,138,61,.04));
  border:1px solid rgba(255,138,61,.34);
}
.limited-label{
  display:inline-flex;align-items:center;gap:8px;padding:5px 12px;border-radius:999px;
  background:rgba(255,138,61,.16);border:1px solid rgba(255,138,61,.4);
  color:#FFB37D;font-size:12px;font-weight:700;
}
.limited-text{flex:1 1 260px;min-width:220px}
.limited-text strong{display:block;font-size:17px;color:var(--text);margin-bottom:4px}
.limited-text span{font-size:13px;color:var(--text-dim)}
.countdown{display:flex;align-items:center;gap:8px;color:var(--text);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.countdown b{
  display:inline-grid;place-items:center;min-width:40px;height:40px;padding:0 6px;
  border-radius:10px;background:rgba(5,8,15,.6);border:1px solid rgba(255,138,61,.35);
  font-size:17px;color:#FFC79B;
}
.countdown i{font-style:normal;color:rgba(255,199,155,.7)}

/* ---------- 表单 ---------- */
.contact-panel{
  display:grid;grid-template-columns:1fr 1.15fr;gap:28px;
  background:var(--glass);backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:var(--radius-card);
  padding:30px;position:relative;overflow:hidden;
}
.contact-panel::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.18),transparent);
}
.contact-aside h2{font-size:26px;margin-bottom:14px}
.contact-aside p{color:var(--text-dim);font-size:15px;margin-bottom:18px}
.contact-points{list-style:none;padding:0;display:flex;flex-direction:column;gap:12px}
.contact-points li{display:flex;gap:10px;font-size:14px;color:var(--text-dim)}
.contact-points li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--primary);margin-top:9px;flex:0 0 7px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--text-dim);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;background:var(--bg-1);border:1px solid var(--line);
  border-radius:var(--radius-input);padding:12px 14px;font-size:15px;
  transition:border-color .2s ease-out,box-shadow .2s ease-out,background .2s ease-out;
}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);background:#0C1420;
  box-shadow:0 0 0 3px rgba(35,227,184,.16);
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--text-dim);margin:6px 0 18px}
.check input{width:18px;height:18px;margin-top:4px;accent-color:var(--primary)}
.form-note{font-size:13px;color:var(--text-dim);margin-top:14px;line-height:1.7}
.form-note.is-ok{color:var(--primary)}
.form-note.is-error{color:var(--accent)}

/* ---------- 资讯 ---------- */
.news-filter{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.news-filter a{
  padding:7px 16px;border-radius:999px;font-size:13px;color:var(--text-dim);
  background:rgba(255,255,255,.03);border:1px solid var(--line);transition:.2s;
}
.news-filter a:hover,.news-filter a.is-on{color:var(--primary);border-color:rgba(35,227,184,.35);background:rgba(35,227,184,.09)}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;border-radius:var(--radius-card);overflow:hidden;
  background:var(--glass);border:1px solid var(--line);
  transition:transform .22s ease-out,border-color .22s ease-out,box-shadow .22s ease-out;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(35,227,184,.22);box-shadow:var(--shadow-hover)}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease-out}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.news-title{font-size:17px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-sum{
  font-size:14px;color:var(--text-dim);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;font-size:12px;color:var(--text-dim)}
.news-more{font-weight:600;color:var(--primary)}
.empty-state{
  border:1px dashed rgba(255,255,255,.16);border-radius:var(--radius-card);
  padding:48px 24px;text-align:center;background:rgba(255,255,255,.02);
}
.empty-state .glyph{
  width:56px;height:56px;margin:0 auto 16px;border-radius:16px;
  display:grid;place-items:center;font-size:22px;color:var(--primary);
  background:rgba(35,227,184,.08);border:1px solid rgba(35,227,184,.28);
}
.empty-state p{color:var(--text-dim);margin-bottom:16px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px}
.faq .accordion{background:transparent;border:0;margin:0}
.faq .accordion-item{
  background:var(--glass);border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease-out;
}
.faq .accordion-item.is-active{border-color:rgba(35,227,184,.3)}
.faq .accordion-title{
  border:0;background:transparent;color:var(--text);font-size:17px;font-weight:600;
  padding:18px 52px 18px 46px;position:relative;transition:color .2s ease-out;
}
.faq .accordion-title::before{
  content:"";position:absolute;left:22px;top:50%;transform:translateY(-50%);
  width:10px;height:10px;border-radius:3px;background:var(--primary);
}
.faq .accordion-title::after{color:var(--primary);right:22px;font-size:18px}
.faq .accordion-title:hover{color:var(--primary)}
.faq .accordion-content{
  background:transparent;color:var(--text-dim);border:0;
  padding:0 46px 18px 46px;font-size:15px;line-height:1.85;position:relative;
}
.faq .accordion-content::before{
  content:"";position:absolute;left:46px;right:46px;top:0;height:1px;
  background:linear-gradient(90deg,rgba(35,227,184,.5),transparent);
}
.faq .accordion-content p + p{margin-top:10px}

/* ---------- 收尾 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:20px;
  border:1px solid rgba(35,227,184,.24);
  background:linear-gradient(120deg,rgba(35,227,184,.14),rgba(108,140,255,.08) 55%,rgba(5,8,15,.2));
  padding:44px 36px;
}
.cta-band h2{font-size:28px;margin-bottom:14px}
.cta-band p{color:var(--text-dim);max-width:640px;margin-bottom:24px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:#04070D;border-top:1px solid var(--line);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand p{color:var(--text-dim);font-size:14px;margin-top:14px;max-width:340px}
.footer-col h4{font-size:14px;color:var(--text);margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col li{color:var(--text-dim);font-size:14px}
.footer-col a:hover{color:var(--primary)}
.footer-bottom{
  margin-top:48px;border-top:1px solid var(--line);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  color:var(--text-dim);font-size:13px;
}
.footer-note{color:rgba(147,166,180,.8);font-size:12.5px;line-height:1.8;padding:0 0 28px;max-width:1000px}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .hero h1{font-size:42px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
}
@media screen and (max-width:991px){
  :root{--gap-section:64px}
  .main-nav{display:none}
  .nav-actions{display:none}
  .nav-toggle{display:grid}
  .hero{padding:126px 0 64px}
  .hero h1{font-size:36px}
  .contact-panel{grid-template-columns:1fr;padding:24px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .compare-grid{grid-template-columns:170px repeat(3,minmax(190px,1fr));min-width:740px}
}
@media screen and (max-width:767px){
  .section-head h2{font-size:24px}
  .hero h1{font-size:31px}
  .hero-sub{font-size:16px}
  .hero-stats{gap:18px 0}
  .hero-stats li{padding:0 16px}
  .hero-stats strong{font-size:20px}
  .news-grid{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .ladder-item{padding:18px}
  .ladder-gate{min-width:auto}
  .limited{padding:18px}
  .cta-band{padding:32px 22px}
  .cta-band h2{font-size:23px}
}
@media screen and (max-width:575px){
  :root{--gap-section:48px}
  .container{padding:0 18px}
  .hero{padding:112px 0 52px}
  .hero h1{font-size:28px}
  .hero-cta .btn{width:100%}
  .hero-float{position:static;margin-top:14px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .logo-text{font-size:15px}
  .compare-grid{grid-template-columns:150px repeat(3,minmax(180px,1fr));min-width:690px}
}

/* roulang page: article */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1018;
  --bg-2:#101A26;
  --primary:#23E3B8;
  --primary-deep:#0FA88C;
  --accent:#FF8A3D;
  --accent-2:#6C8CFF;
  --text:#EAF2F5;
  --text-dim:#93A6B4;
  --line:rgba(255,255,255,.08);
  --glass:rgba(16,26,38,.55);
  --r-card:16px;
  --r-btn:12px;
  --r-input:10px;
  --r-img:14px;
  --shadow-hover:0 12px 32px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(35,227,184,.35),0 8px 24px rgba(35,227,184,.28);
  --maxw: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);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:radial-gradient(rgba(35,227,184,.07) 1px,transparent 1px);
  background-size:34px 34px;
  opacity:.45;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(35,227,184,.28);color:#fff}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative;z-index:1}
.site-header,main,.site-footer{position:relative;z-index:1}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(10,16,24,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.site-header.is-scrolled{
  background:rgba(5,8,15,.94);
  border-bottom-color:rgba(35,227,184,.14);
  box-shadow:0 10px 30px rgba(0,0,0,.45);
}
.header-inner{display:flex;align-items:center;gap:22px;min-height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:34px;height:34px;display:grid;place-items:center;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04120F;font-weight:800;font-size:17px;letter-spacing:0;
}
.logo-text{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.main-nav a{
  position:relative;padding:10px 14px;font-size:15px;color:var(--text-dim);
  border-radius:10px;transition:color .2s ease-out,background .2s ease-out;
}
.main-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:2px;
  background:var(--primary);border-radius:2px;transform:scaleX(0);
  transform-origin:left;transition:transform .22s ease-out;
}
.main-nav a:hover{color:var(--text)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.is-active{color:var(--primary)}
.main-nav a.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:10px;flex:none}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  line-height:1;border:1px solid transparent;white-space:nowrap;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,
             color .18s ease-out,border-color .18s ease-out;
}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-lg{padding:15px 30px;font-size:16px}
.btn.pill{border-radius:999px}
.btn-primary{
  background:linear-gradient(120deg,var(--primary) 0%,var(--primary-deep) 100%);
  background-size:160% 100%;
  color:#04120F;
  box-shadow:var(--glow);
}
.btn-primary:hover{
  transform:translateY(-2px);
  background-position:25% 0;
  box-shadow:0 0 0 1px rgba(35,227,184,.5),0 12px 30px rgba(35,227,184,.4);
}
.btn-primary:active{transform:translateY(-1px)}
.btn-ghost{
  background:var(--glass);
  border-color:var(--line);
  color:var(--text);
  backdrop-filter:blur(10px);
}
.btn-ghost:hover{
  transform:translateY(-2px);
  border-color:rgba(35,227,184,.45);
  color:var(--primary);
}
.btn-accent{
  background:linear-gradient(120deg,#FF8A3D,#E4661C);
  color:#180A02;
  box-shadow:0 0 0 1px rgba(255,138,61,.4),0 8px 24px rgba(255,138,61,.26);
}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,138,61,.55),0 14px 30px rgba(255,138,61,.34)}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none}

/* ============ 移动导航 ============ */
.nav-toggle{
  display:none;width:44px;height:44px;flex:none;margin-left:auto;
  border-radius:12px;border:1px solid var(--line);background:var(--glass);
  align-items:center;justify-content:center;
}
.nav-toggle i{font-size:17px;color:var(--text)}
.drawer-mask{
  position:fixed;inset:0;z-index:70;background:rgba(2,5,10,.72);
  backdrop-filter:blur(3px);opacity:0;visibility:hidden;
  transition:opacity .24s ease-out,visibility .24s ease-out;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:80;width:min(84vw,340px);
  background:linear-gradient(180deg,#0A1018,#05080F);
  border-left:1px solid var(--line);
  transform:translateX(100%);
  transition:transform .26s ease-out;
  display:flex;flex-direction:column;padding:22px;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:var(--glass);display:grid;place-items:center;
}
.drawer-close:hover{border-color:rgba(35,227,184,.4);color:var(--primary)}
.drawer-nav{display:grid;gap:6px;margin-top:22px}
.drawer-nav a{
  padding:14px 12px;border-radius:12px;color:var(--text-dim);font-size:16px;
  border:1px solid transparent;transition:color .18s ease-out,background .18s ease-out,border-color .18s ease-out;
}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--primary);background:rgba(35,227,184,.07);border-color:rgba(35,227,184,.2)}
.drawer-cta{margin-top:auto;display:grid;gap:10px;padding-top:22px;border-top:1px solid var(--line)}

/* ============ 面包屑与文章头 ============ */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:14px;color:var(--text-dim);padding:24px 0 0;
}
.breadcrumb a{color:var(--text-dim);transition:color .18s ease-out}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{opacity:.45}
.breadcrumb .current{color:var(--primary);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.article-hero{padding:22px 0 0}
.kicker{
  display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:6px;
  background:rgba(108,140,255,.14);border:1px solid rgba(108,140,255,.28);
  color:#B4C2FF;font-size:13px;letter-spacing:.02em;
}
.article-title{
  font-size:40px;line-height:1.25;margin:18px 0 18px;max-width:940px;
  text-wrap:balance;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:10px 20px;font-size:14px;color:var(--text-dim);
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--primary);font-size:12px}
.article-cover{
  margin:28px 0 0;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--line);background:var(--bg-2);
}
.article-cover img{width:100%;aspect-ratio:21/9;object-fit:cover;opacity:.92}

/* ============ 文章布局 ============ */
.article-layout{
  display:grid;grid-template-columns:minmax(0,820px) 300px;
  justify-content:space-between;gap:0;
  padding:48px 0 0;
}
.article-body{
  font-size:17px;line-height:1.9;color:#D9E5EB;
  word-break:break-word;
}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:26px;line-height:1.35;color:var(--text);
  margin:1.9em 0 .75em;padding-left:14px;border-left:4px solid var(--primary);
}
.article-body h3{
  font-size:20px;line-height:1.4;color:var(--text);
  margin:1.6em 0 .6em;padding-left:12px;border-left:3px solid rgba(108,140,255,.7);
}
.article-body h4{font-size:17px;color:var(--text);margin:1.4em 0 .5em}
.article-body a{
  color:var(--primary);text-decoration:underline;
  text-underline-offset:4px;text-decoration-thickness:1px;
  transition:color .18s ease-out,text-underline-offset .18s ease-out;
}
.article-body a:hover{color:#fff;text-underline-offset:7px}
.article-body strong{color:#fff}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em}
.article-body ul li{list-style:none;position:relative;margin:.5em 0}
.article-body ul li::before{
  content:"";position:absolute;left:-1.05em;top:.72em;
  width:6px;height:6px;border-radius:2px;background:var(--primary);
}
.article-body ol{list-style:decimal}
.article-body ol li{margin:.5em 0}
.article-body ol li::marker{color:var(--primary);font-weight:700}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;color:var(--text-dim);
  background:var(--glass);border-left:3px solid var(--primary);
  border-radius:0 var(--r-card) var(--r-card) 0;
  backdrop-filter:blur(10px);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);border:1px solid var(--line);margin:1.4em 0}
.article-body figure{margin:1.5em 0}
.article-body figcaption{
  font-size:13px;color:var(--text-dim);text-align:center;margin-top:10px;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.5em 0;font-size:15px;
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
}
.article-body th,.article-body td{
  border-bottom:1px solid var(--line);padding:11px 14px;text-align:left;
  font-variant-numeric:tabular-nums;
}
.article-body th{background:rgba(35,227,184,.08);color:var(--text);font-weight:600}
.article-body tr:last-child td{border-bottom:0}
.article-body code{
  background:rgba(255,255,255,.07);padding:2px 7px;border-radius:6px;
  font-size:.92em;color:#B8F3E2;
}
.article-body pre{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px 18px;overflow:auto;margin:1.5em 0;
}
.article-body pre code{background:none;padding:0;color:#CFE7E0}
.article-body hr{border:0;height:1px;background:var(--line);margin:2.2em 0}

/* 空态 */
.article-empty{
  padding:56px 28px;border-radius:var(--r-card);text-align:center;
  background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(14px);
}
.article-empty .empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;
  display:grid;place-items:center;border:1px solid rgba(35,227,184,.35);
  color:var(--primary);font-size:22px;background:rgba(35,227,184,.08);
}
.article-empty h2{font-size:22px;margin-bottom:10px}
.article-empty p{color:var(--text-dim);margin-bottom:22px;font-size:15px}

/* ============ 侧栏 ============ */
.article-aside{position:sticky;top:96px;display:grid;gap:18px;align-self:start}
.panel{
  position:relative;padding:20px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.panel::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,rgba(255,255,255,.16),transparent);
  border-radius:var(--r-card) var(--r-card) 0 0;
}
.panel-title{
  font-size:15px;font-weight:700;color:var(--text);
  display:flex;align-items:center;gap:8px;margin-bottom:4px;
}
.panel-title i{color:var(--primary);font-size:13px}
.toc-list{display:grid;gap:2px;margin-top:12px;max-height:340px;overflow:auto}
.toc-list a{
  display:block;font-size:14px;line-height:1.6;color:var(--text-dim);
  padding:7px 10px;border-left:2px solid transparent;border-radius:0 8px 8px 0;
  transition:color .18s ease-out,background .18s ease-out,border-color .18s ease-out;
}
.toc-list a:hover{color:var(--primary);background:rgba(35,227,184,.06);border-left-color:var(--primary)}
.toc-list a.lv3{padding-left:24px;font-size:13px}
.panel-links{display:grid;gap:10px;margin-top:12px}
.panel-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14px;color:var(--text-dim);padding:10px 12px;border-radius:10px;
  border:1px solid var(--line);background:rgba(255,255,255,.02);
  transition:color .18s ease-out,border-color .18s ease-out,transform .18s ease-out;
}
.panel-links a:hover{color:var(--primary);border-color:rgba(35,227,184,.35);transform:translateX(2px)}
.panel-links i{font-size:12px;opacity:.7}

/* ============ 相关推荐 ============ */
.related{padding:72px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:26px}
.section-head h2{font-size:28px;line-height:1.25}
.section-head p{color:var(--text-dim);font-size:14px;margin-top:8px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.related-card{
  display:flex;flex-direction:column;gap:12px;padding:22px;
  border-radius:var(--r-card);background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px);
  transition:transform .22s ease-out,box-shadow .22s ease-out,border-color .22s ease-out;
}
.related-card:hover{
  transform:translateY(-4px);border-color:rgba(35,227,184,.4);
  box-shadow:var(--shadow-hover);
}
.related-card .tag{
  align-self:flex-start;padding:4px 10px;border-radius:6px;font-size:12px;
  background:rgba(108,140,255,.14);border:1px solid rgba(108,140,255,.28);
  color:#B4C2FF;letter-spacing:.02em;
}
.related-card h3{font-size:18px;line-height:1.45}
.related-card p{font-size:14px;color:var(--text-dim);line-height:1.75}
.related-card .go{
  margin-top:auto;font-size:14px;color:var(--primary);
  display:inline-flex;align-items:center;gap:7px;
}
.related-back{display:flex;justify-content:center;margin-top:28px}

/* ============ CTA ============ */
.cta-band{padding:84px 0 0}
.cta-inner{
  position:relative;overflow:hidden;border-radius:22px;padding:42px;
  border:1px solid rgba(35,227,184,.24);
  background:linear-gradient(120deg,rgba(35,227,184,.14),rgba(108,140,255,.10) 55%,rgba(255,138,61,.10));
  backdrop-filter:blur(14px);
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-inner::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;
  border-radius:50%;background:radial-gradient(circle,rgba(35,227,184,.22),transparent 65%);
  pointer-events:none;
}
.cta-text{position:relative;max-width:640px}
.cta-text h2{font-size:28px;line-height:1.3;margin-bottom:12px}
.cta-text p{color:var(--text-dim);font-size:15px}
.cta-actions{position:relative;display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;padding:64px 0 32px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,#080D14,#05080F);
  color:var(--text-dim);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px}
.footer-brand .logo{margin-bottom:14px}
.footer-brand p{font-size:14px;line-height:1.85;max-width:340px}
.footer-col h4{font-size:15px;color:var(--text);margin-bottom:14px;font-weight:700}
.footer-col ul{display:grid;gap:10px}
.footer-col li{font-size:14px}
.footer-col a{transition:color .18s ease-out}
.footer-col a:hover{color:var(--primary)}
.footer-note{
  margin-top:38px;padding:16px 18px;border:1px solid var(--line);border-radius:12px;
  background:rgba(255,255,255,.02);font-size:13px;line-height:1.85;
}
.footer-bottom{
  margin-top:22px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;
}

/* ============ 响应式 ============ */
@media screen and (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:32px}
  .article-title{font-size:36px}
}
@media screen and (max-width:991px){
  .main-nav,.header-actions{display:none}
  .nav-toggle{display:inline-flex}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;padding-top:36px}
  .article-aside{
    position:static;order:-1;margin-bottom:28px;
    grid-template-columns:repeat(2,minmax(0,1fr));display:grid;gap:16px;
  }
  .article-title{font-size:33px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-inner{padding:34px}
}
@media screen and (max-width:767px){
  .container{padding:0 18px}
  .header-inner{min-height:64px}
  .logo-text{font-size:16px}
  .article-title{font-size:29px;margin:16px 0 14px}
  .article-body{font-size:16px}
  .article-body h2{font-size:22px}
  .article-body h3{font-size:18px}
  .article-cover img{aspect-ratio:16/9}
  .article-aside{grid-template-columns:minmax(0,1fr)}
  .section-head h2{font-size:23px}
  .related-grid{grid-template-columns:minmax(0,1fr)}
  .cta-band{padding-top:64px}
  .cta-inner{padding:28px;border-radius:18px}
  .cta-text h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .site-footer{margin-top:72px;padding:48px 0 28px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .footer-bottom{flex-direction:column}
}
@media screen and (max-width:575px){
  .article-title{font-size:26px}
  .breadcrumb{font-size:13px;padding-top:18px}
  .breadcrumb .current{white-space:normal}
  .article-meta{font-size:13px;gap:8px 16px}
  .btn{padding:12px 18px}
  .article-empty{padding:40px 20px}
}

/* roulang page: category1 */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1018;
  --bg-2:#101A26;
  --primary:#23E3B8;
  --primary-deep:#0FA88C;
  --accent:#FF8A3D;
  --accent-2:#6C8CFF;
  --text:#EAF2F5;
  --text-dim:#93A6B4;
  --line:rgba(255,255,255,.08);
  --glass:rgba(16,26,38,.55);
  --glass-strong:rgba(16,26,38,.82);
  --r-card:16px;
  --r-btn:12px;
  --r-pill:999px;
  --r-input:10px;
  --r-img:14px;
  --shadow-hover:0 12px 32px rgba(0,0,0,.45);
  --shadow-soft:0 8px 24px rgba(0,0,0,.35);
  --glow:0 0 0 1px rgba(35,227,184,.35),0 8px 24px rgba(35,227,184,.28);
  --glow-strong:0 0 0 1px rgba(35,227,184,.55),0 14px 34px rgba(35,227,184,.34);
  --gutter:24px;
  --section-y:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:
    radial-gradient(900px 520px at 12% -8%,rgba(35,227,184,.10),transparent 62%),
    radial-gradient(760px 460px at 92% 2%,rgba(108,140,255,.10),transparent 60%),
    var(--bg-0);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  min-height:100%;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--primary);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:#5CF0D0;}
h1,h2,h3,h4{line-height:1.25;margin:0;font-weight:700;letter-spacing:.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(35,227,184,.3);color:#fff;}
.num{font-variant-numeric:tabular-nums;letter-spacing:.02em;}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:var(--gutter);padding-right:var(--gutter);}
.section{padding:var(--section-y) 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{font-size:30px;}
.section-head p{margin-top:14px;color:var(--text-dim);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--primary);margin-bottom:14px;font-weight:600;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--primary);border-radius:2px;}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--primary);color:#04140F;padding:10px 16px;border-radius:0 0 10px 0;font-weight:600;
}
.skip-link:focus{left:0;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.02em;
  text-decoration:none;white-space:nowrap;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background-position .24s ease-out,border-color .2s ease-out,color .2s ease-out;
}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.btn-primary{
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-deep) 100%);
  background-size:160% 100%;background-position:0 0;
  color:#04140F;box-shadow:var(--glow);
}
.btn-primary:hover{transform:translateY(-2px);background-position:22% 0;box-shadow:var(--glow-strong);color:#04140F;}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:var(--glass);color:var(--text);border-color:var(--line);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.btn-ghost:hover{transform:translateY(-2px);border-color:rgba(35,227,184,.45);color:var(--primary);box-shadow:var(--shadow-hover);}
.btn-ghost:active{transform:translateY(1px);}
.btn-accent{
  background:linear-gradient(135deg,var(--accent) 0%,#FF6B1F 100%);
  color:#1A0B02;box-shadow:0 0 0 1px rgba(255,138,61,.35),0 8px 24px rgba(255,138,61,.24);
}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,138,61,.55),0 14px 32px rgba(255,138,61,.32);color:#1A0B02;}
.btn-pill{border-radius:var(--r-pill);padding:11px 22px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;pointer-events:none;}

/* ============ 标签 / 徽章 ============ */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;letter-spacing:.02em;
  background:rgba(108,140,255,.14);color:#A9BBFF;border:1px solid rgba(108,140,255,.28);
}
.tag-accent{background:rgba(255,138,61,.14);color:#FFB27A;border-color:rgba(255,138,61,.3);}
.tag-mint{background:rgba(35,227,184,.12);color:var(--primary);border-color:rgba(35,227,184,.28);}
.badge{
  display:inline-block;padding:3px 10px;border-radius:6px;
  font-size:12px;font-weight:700;letter-spacing:.06em;
  background:rgba(35,227,184,.14);color:var(--primary);border:1px solid rgba(35,227,184,.3);
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(10,16,24,.72);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
  transition:background .24s ease-out,border-color .24s ease-out,box-shadow .24s ease-out;
}
.site-header.is-scrolled{
  background:rgba(5,8,15,.94);
  border-bottom-color:rgba(35,227,184,.18);
  box-shadow:0 10px 30px rgba(0,0,0,.4);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:700;}
.logo:hover{color:var(--text);}
.logo-mark{
  width:36px;height:36px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#04140F;font-weight:800;font-size:18px;flex:0 0 auto;
  box-shadow:0 0 0 1px rgba(35,227,184,.28),0 6px 18px rgba(35,227,184,.22);
}
.logo-text{font-size:17px;letter-spacing:.02em;}
.main-nav{display:flex;align-items:center;gap:6px;}
.main-nav a{
  position:relative;padding:10px 14px;border-radius:10px;
  color:var(--text-dim);font-size:15px;font-weight:500;transition:color .2s ease-out,background .2s ease-out;
}
.main-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .22s ease-out;
}
.main-nav a:hover{color:var(--text);background:rgba(255,255,255,.03);}
.main-nav a:hover::after,.main-nav a.is-active::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--primary);font-weight:600;}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--glass);flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .2s ease-out,opacity .2s ease-out;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.drawer-mask{
  position:fixed;inset:0;background:rgba(3,6,11,.72);z-index:110;
  opacity:0;transition:opacity .22s ease-out;
}
.drawer-mask.is-open{opacity:1;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:120;
  background:var(--bg-1);border-left:1px solid var(--line);
  padding:88px 22px 28px;display:flex;flex-direction:column;gap:8px;
  transform:translateX(102%);transition:transform .26s ease-out;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.mobile-drawer a{
  display:block;padding:14px 14px;border-radius:12px;color:var(--text);
  font-size:16px;font-weight:500;border:1px solid transparent;
}
.mobile-drawer a:hover{background:rgba(255,255,255,.04);color:var(--primary);}
.mobile-drawer a.is-active{color:var(--primary);border-color:rgba(35,227,184,.3);background:rgba(35,227,184,.08);}
.mobile-drawer .drawer-cta{margin-top:auto;width:100%;}

/* ============ 分类横幅 ============ */
.page-banner{
  position:relative;min-height:262px;display:flex;align-items:center;
  border-bottom:1px solid var(--line);overflow:hidden;
  background-image:
    linear-gradient(100deg,rgba(5,8,15,.94) 0%,rgba(5,8,15,.78) 46%,rgba(5,8,15,.42) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center right;
}
.page-banner::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:52px 52px;
}
.page-banner .container{position:relative;z-index:2;padding-top:44px;padding-bottom:44px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-dim);margin-bottom:16px;}
.breadcrumb a{color:var(--text-dim);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:rgba(255,255,255,.24);}
.breadcrumb .current{color:var(--primary);font-weight:600;}
.page-banner h1{font-size:44px;letter-spacing:.01em;max-width:840px;}
.page-banner .banner-desc{margin-top:16px;color:var(--text-dim);font-size:16px;max-width:700px;}
.banner-links{margin-top:22px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.back-home{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--text);
  padding:10px 18px;border-radius:var(--r-pill);border:1px solid var(--line);background:var(--glass);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.back-home:hover{color:var(--primary);border-color:rgba(35,227,184,.45);transform:translateY(-2px);}

/* ============ 图文交替 ============ */
.split-block{padding:var(--section-y) 0;}
.split-block.alt{background:linear-gradient(180deg,rgba(16,26,38,.5),rgba(5,8,15,0));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.split-copy h2{font-size:29px;margin-bottom:18px;}
.split-copy h2 .h2-mark{color:var(--primary);}
.split-copy p{color:var(--text-dim);margin-bottom:16px;font-size:16px;}
.split-copy p:last-of-type{margin-bottom:0;}
.mini-facts{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px;}
.mini-fact{
  flex:1 1 168px;min-width:150px;background:var(--glass);border:1px solid var(--line);
  border-radius:var(--r-card);padding:16px 18px;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
}
.mini-fact strong{display:block;font-size:22px;color:var(--primary);font-variant-numeric:tabular-nums;letter-spacing:.02em;line-height:1.3;}
.mini-fact span{display:block;margin-top:6px;font-size:13px;color:var(--text-dim);}
.media-card{
  position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  background:var(--bg-2);box-shadow:var(--shadow-soft);
}
.media-card img{width:100%;height:100%;object-fit:cover;border-radius:0;aspect-ratio:16/11;}
.media-card .media-caption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px;
  background:linear-gradient(180deg,rgba(5,8,15,0),rgba(5,8,15,.92));
  font-size:13px;color:var(--text-dim);
}
.split-block .grid-x{align-items:center;}

/* ============ 要点清单 ============ */
.checklist-panel{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-soft);
}
.step-list{display:grid;gap:14px;}
.step-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:18px 20px;border-radius:14px;border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(16,26,38,.66),rgba(10,16,24,.5));
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.step-item:hover{transform:translateY(-2px);border-color:rgba(35,227,184,.32);box-shadow:var(--shadow-hover);}
.step-no{
  flex:0 0 auto;width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(35,227,184,.4);color:var(--primary);font-weight:700;font-size:15px;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;background:rgba(35,227,184,.07);
}
.step-item h3{font-size:17px;margin-bottom:6px;}
.step-item p{color:var(--text-dim);font-size:14.5px;}

/* ============ FAQ ============ */
.faq-section{background:linear-gradient(180deg,rgba(16,26,38,.42),rgba(5,8,15,0));border-top:1px solid var(--line);}
ul.accordion{background:transparent;border:0;margin:0;}
ul.accordion::before,ul.accordion::after{display:none;}
ul.accordion .accordion-item{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
ul.accordion .accordion-item.is-active{border-color:rgba(35,227,184,.34);box-shadow:var(--shadow-hover);}
ul.accordion .accordion-title{
  position:relative;display:block;padding:18px 56px 18px 22px;border:0;background:transparent;
  color:var(--text);font-size:17px;font-weight:600;line-height:1.5;
}
ul.accordion .accordion-title::before{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  width:auto;margin:0;float:none;font-size:22px;font-weight:400;color:var(--primary);line-height:1;
}
ul.accordion .accordion-title[aria-expanded="true"]::before{content:"−";}
ul.accordion .accordion-title:hover{color:var(--primary);}
ul.accordion .accordion-content{
  background:transparent;border:0;color:var(--text-dim);font-size:15px;line-height:1.85;
  padding:0 22px 20px 22px;position:relative;
}
ul.accordion .accordion-content::before{
  content:"";position:absolute;left:22px;right:22px;top:0;height:1px;
  background:linear-gradient(90deg,rgba(35,227,184,.55),rgba(35,227,184,0));
}

/* ============ CTA 条 ============ */
.cta-band{padding:0 0 var(--section-y);}
.cta-inner{
  position:relative;overflow:hidden;border-radius:22px;border:1px solid rgba(255,138,61,.28);
  background:
    radial-gradient(620px 240px at 8% 0%,rgba(255,138,61,.18),transparent 62%),
    linear-gradient(135deg,rgba(16,26,38,.9),rgba(10,16,24,.92));
  padding:38px 36px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
}
.cta-inner h2{font-size:26px;}
.cta-inner p{margin-top:12px;color:var(--text-dim);font-size:15px;max-width:560px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 相关入口 ============ */
.related-section{border-top:1px solid var(--line);}
.related-list{display:grid;gap:12px;margin-top:6px;}
.related-item{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 20px;border-radius:14px;border:1px solid var(--line);
  background:linear-gradient(90deg,rgba(35,227,184,.08),rgba(16,26,38,.5));
  color:var(--text);font-size:15.5px;font-weight:600;
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.related-item:hover{transform:translateY(-2px);border-color:rgba(35,227,184,.34);box-shadow:var(--shadow-hover);color:var(--primary);}
.related-item .arrow{color:var(--primary);font-weight:700;}
.related-item small{display:block;margin-top:4px;font-weight:400;font-size:13px;color:var(--text-dim);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-1);border-top:1px solid var(--line);padding:64px 0 28px;
}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;
}
.footer-brand p{margin-top:16px;color:var(--text-dim);font-size:14px;line-height:1.8;max-width:340px;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text);}
.footer-col ul{display:grid;gap:10px;}
.footer-col li{color:var(--text-dim);font-size:14px;}
.footer-col a{color:var(--text-dim);font-size:14px;}
.footer-col a:hover{color:var(--primary);}
.footer-note{
  margin-top:40px;padding-top:24px;border-top:1px solid var(--line);
  color:var(--text-dim);font-size:13px;line-height:1.9;
}
.footer-bottom{
  margin-top:20px;padding-top:18px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  color:rgba(147,166,180,.8);font-size:13px;
}
.footer-bottom a{color:var(--primary);}

/* ============ 响应式 ============ */
@media screen and (max-width:1199px){
  :root{--section-y:76px;}
  .page-banner h1{font-size:40px;}
}
@media screen and (max-width:991px){
  :root{--section-y:64px;}
  .main-nav{display:none;}
  .nav-toggle{display:flex;}
  .header-cta{display:none;}
  .page-banner h1{font-size:34px;}
  .split-block .grid-x{gap:0;}
  .media-card{margin-top:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media screen and (max-width:767px){
  :root{--section-y:52px;--gutter:20px;}
  body{font-size:16px;}
  .page-banner{min-height:238px;background-position:center;}
  .page-banner h1{font-size:30px;}
  .section-head h2,.split-copy h2{font-size:23px;}
  .cta-inner{padding:28px 22px;}
  .cta-inner h2{font-size:22px;}
  .cta-actions .btn{width:100%;}
  .checklist-panel{padding:22px;}
  .step-item{padding:16px;}
  .footer-grid{grid-template-columns:1fr;}
}
@media screen and (max-width:519px){
  .page-banner h1{font-size:27px;}
  .logo-text{font-size:15px;}
  .mini-fact{flex:1 1 100%;}
  .related-item{flex-direction:column;align-items:flex-start;gap:6px;}
}

/* roulang page: category2 */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1018;
  --bg-2:#101A26;
  --primary:#23E3B8;
  --primary-deep:#0FA88C;
  --primary-soft:rgba(35,227,184,.12);
  --accent:#FF8A3D;
  --accent-2:#6C8CFF;
  --text:#EAF2F5;
  --text-dim:#93A6B4;
  --line:rgba(255,255,255,.08);
  --glass:rgba(16,26,38,.55);
  --r-card:16px;
  --r-btn:12px;
  --r-pill:999px;
  --r-input:10px;
  --r-img:14px;
  --sh-hover:0 12px 32px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(35,227,184,.35),0 8px 24px rgba(35,227,184,.28);
  --container:1200px;
  --ease:220ms cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color var(--ease)}
a:hover{color:#6BF3D6}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:.01em}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;letter-spacing:.02em}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:44px}
.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:.14em;color:var(--primary);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--primary);opacity:.7}
h2{font-size:30px;margin-bottom:14px}
h3{font-size:21px}
.section-head p{color:var(--text-dim);font-size:16px;margin-bottom:0}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-primary{
  background:linear-gradient(120deg,var(--primary) 0%,var(--primary-deep) 100%);
  color:#03130F;box-shadow:var(--sh-glow);
}
.btn-primary:hover{
  color:#03130F;transform:translateY(-2px);
  box-shadow:0 0 0 1px rgba(35,227,184,.5),0 12px 30px rgba(35,227,184,.38);
}
.btn-ghost{
  background:var(--glass);color:var(--text);
  border-color:var(--line);backdrop-filter:blur(14px);
}
.btn-ghost:hover{color:var(--text);border-color:rgba(35,227,184,.45);transform:translateY(-2px);box-shadow:var(--sh-hover)}
.btn-accent{
  background:linear-gradient(120deg,#FFA163 0%,var(--accent) 100%);
  color:#2A1104;box-shadow:0 0 0 1px rgba(255,138,61,.32),0 8px 24px rgba(255,138,61,.26);
}
.btn-accent:hover{color:#2A1104;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(255,138,61,.5),0 12px 28px rgba(255,138,61,.36)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-block{width:100%}

/* 头部导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(5,8,15,.74);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:background var(--ease),box-shadow var(--ease);
}
.site-header::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(rgba(255,255,255,.08),rgba(255,255,255,0) 45%);
  opacity:.55;
}
.site-header.is-scrolled{background:rgba(5,8,15,.94);box-shadow:0 12px 30px rgba(0,0,0,.45)}
.site-header.is-scrolled::before{opacity:.25}
.header-inner{display:flex;align-items:center;gap:26px;min-height:72px;position:relative}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:700;flex:0 0 auto}
.logo:hover{color:var(--text)}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#03130F;font-size:17px;font-weight:800;
}
.logo-text{font-size:17px;letter-spacing:.02em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{
  position:relative;padding:10px 14px;border-radius:10px;
  color:var(--text-dim);font-size:15px;
}
.main-nav a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.main-nav a:hover{color:var(--text)}
.main-nav a:hover::after{transform:scaleX(1)}
.main-nav a.is-active{color:var(--primary)}
.main-nav a.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  background:var(--glass);border:1px solid var(--line);color:var(--text);
  cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:var(--ease)}

/* 抽屉 */
.drawer-overlay{
  position:fixed;inset:0;z-index:120;background:rgba(3,6,11,.72);
  opacity:0;visibility:hidden;transition:opacity var(--ease),visibility var(--ease);
}
.drawer-overlay.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:130;
  width:min(330px,88vw);
  background:var(--bg-1);border-left:1px solid var(--line);
  padding:20px;display:flex;flex-direction:column;gap:6px;
  transform:translateX(102%);transition:transform 260ms cubic-bezier(.22,.61,.36,1);
}
.drawer.is-open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.drawer-title{font-size:15px;color:var(--text-dim)}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--line);
  background:var(--glass);color:var(--text);font-size:18px;cursor:pointer;line-height:1;
}
.drawer a.drawer-link{
  display:block;padding:14px 12px;border-radius:var(--r-btn);
  color:var(--text);font-size:16px;border:1px solid transparent;
}
.drawer a.drawer-link:hover{background:var(--bg-2);border-color:var(--line)}
.drawer a.drawer-link.is-active{color:var(--primary);border-color:rgba(35,227,184,.3);background:var(--primary-soft)}
.drawer-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line)}

/* 面包屑 */
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-dim);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-dim)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{opacity:.45}
.breadcrumb .current{color:var(--primary)}

/* 分类横幅 */
.page-banner{
  position:relative;margin-top:72px;min-height:260px;
  display:flex;align-items:center;padding:52px 0;
  background-image:linear-gradient(90deg,rgba(5,8,15,.96) 0%,rgba(5,8,15,.78) 55%,rgba(5,8,15,.6) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center right;
  border-bottom:1px solid var(--line);
}
.page-banner::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.06;
  background-image:radial-gradient(rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:26px 26px;
}
.page-banner .container{position:relative;z-index:1}
.page-banner h1{font-size:46px;margin-bottom:16px}
.page-banner .banner-sub{color:var(--text-dim);font-size:16px;max-width:660px;margin-bottom:22px}
.back-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--primary)}
.back-link::before{content:"←";font-size:15px;transition:transform var(--ease)}
.back-link:hover::before{transform:translateX(-3px)}

/* 数据条 */
.stats{padding:44px 0;border-bottom:1px solid var(--line);background:linear-gradient(180deg,rgba(16,26,38,.4),rgba(5,8,15,0))}
.stat{
  padding:20px 22px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px);height:100%;
}
.stat .stat-num{font-size:26px;font-weight:700;color:var(--primary);line-height:1.2}
.stat .stat-label{font-size:14px;color:var(--text-dim);margin-top:6px}

/* 图文交替 */
.split{padding:88px 0}
.split:nth-of-type(even){background:linear-gradient(180deg,rgba(16,26,38,.35),rgba(5,8,15,0))}
.split-media{position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line)}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.split-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,0) 40%,rgba(5,8,15,.55) 100%);
}
.split-body h2{font-size:28px}
.split-body p{color:var(--text-dim)}
.mini-list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.mini-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text)}
.mini-list li .dot{
  flex:0 0 auto;margin-top:9px;width:7px;height:7px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 0 3px rgba(35,227,184,.14);
}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:6px;font-size:13px;
  background:rgba(108,140,255,.14);color:#A7B8FF;border:1px solid rgba(108,140,255,.24);
}
.tag--accent{background:rgba(255,138,61,.14);color:#FFB482;border-color:rgba(255,138,61,.26)}
.tag--primary{background:var(--primary-soft);color:var(--primary);border-color:rgba(35,227,184,.28)}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}

/* 清单 */
.checklist{padding:82px 0;background:linear-gradient(180deg,rgba(16,26,38,.5),rgba(5,8,15,0) 70%)}
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 26px;margin-top:10px}
.check-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:18px 20px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.check-item:hover{transform:translateY(-3px);border-color:rgba(35,227,184,.24);box-shadow:var(--sh-hover)}
.check-idx{
  flex:0 0 auto;width:32px;height:32px;border-radius:9px;
  display:grid;place-items:center;font-size:14px;font-weight:700;
  color:var(--primary);border:1px solid rgba(35,227,184,.4);background:rgba(35,227,184,.06);
}
.check-item h3{font-size:16px;margin-bottom:4px}
.check-item p{font-size:14px;color:var(--text-dim);margin:0}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;margin:0 auto}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--glass);backdrop-filter:blur(14px);overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item.is-open{border-color:rgba(35,227,184,.28);box-shadow:0 10px 28px rgba(0,0,0,.35)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;
  padding:18px 22px;background:transparent;border:0;cursor:pointer;
  color:var(--text);font-size:16px;font-weight:600;text-align:left;line-height:1.5;
}
.faq-q::before{content:"";flex:0 0 auto;width:9px;height:9px;border-radius:2px;background:var(--primary)}
.faq-q .chev{margin-left:auto;color:var(--text-dim);transition:transform var(--ease);font-size:13px}
.faq-item.is-open .faq-q .chev{transform:rotate(180deg);color:var(--primary)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height 260ms cubic-bezier(.22,.61,.36,1);
}
.faq-a-inner{
  padding:0 22px 20px 45px;color:var(--text-dim);font-size:15px;
  border-top:1px solid transparent;
  background-image:linear-gradient(90deg,rgba(35,227,184,.35),rgba(35,227,184,0));
  background-repeat:no-repeat;background-size:100% 1px;background-position:0 0;
  padding-top:16px;
}

/* CTA 条 */
.cta-band{padding:0 0 88px}
.cta-card{
  position:relative;border-radius:20px;overflow:hidden;
  border:1px solid rgba(255,138,61,.22);
  background:linear-gradient(120deg,rgba(255,138,61,.14),rgba(16,26,38,.7) 45%,rgba(35,227,184,.1));
  backdrop-filter:blur(14px);
  padding:40px 42px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-card h2{font-size:25px;margin-bottom:8px}
.cta-card p{color:var(--text-dim);margin:0;max-width:640px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* 相关阅读 */
.read-grid{margin-top:8px}
.read-card{
  display:flex;flex-direction:column;height:100%;
  border-radius:var(--r-card);overflow:hidden;
  background:var(--glass);border:1px solid var(--line);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.read-card:hover{transform:translateY(-4px);border-color:rgba(35,227,184,.24);box-shadow:var(--sh-hover)}
.read-card .read-media{position:relative;overflow:hidden}
.read-card .read-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform 400ms ease-out}
.read-card:hover .read-media img{transform:scale(1.03)}
.read-card .read-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.read-card h3{font-size:17px;line-height:1.5}
.read-card p{color:var(--text-dim);font-size:14px;margin:0}
.read-more{margin-top:auto;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.read-more::after{content:"→";transition:transform var(--ease)}
.read-card:hover .read-more::after{transform:translateX(3px)}

/* 页脚 */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(16,26,38,.55),rgba(5,8,15,.98));
  padding:70px 0 28px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{color:var(--text-dim);font-size:14px;max-width:360px}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col li{font-size:14px;color:var(--text-dim)}
.footer-col a{color:var(--text-dim);font-size:14px}
.footer-col a:hover{color:var(--primary)}
.footer-note{
  margin:44px 0 0;padding-top:24px;border-top:1px solid var(--line);
  color:var(--text-dim);font-size:13px;line-height:1.9;
}
.footer-bottom{
  margin-top:20px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  color:var(--text-dim);font-size:13px;
}

/* 响应式 */
@media (max-width:1023px){
  .section{padding:64px 0}
  .split{padding:64px 0}
  .checklist{padding:60px 0}
  .cta-band{padding-bottom:64px}
  .page-banner h1{font-size:38px}
  .main-nav{display:none}
  .nav-toggle{display:flex}
  .header-actions .btn-ghost{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:48px 0}
  .split{padding:48px 0}
  .checklist{padding:48px 0}
  .cta-band{padding-bottom:48px}
  h2{font-size:23px}
  .page-banner{margin-top:66px;min-height:230px;padding:38px 0}
  .page-banner h1{font-size:30px}
  .page-banner .banner-sub{font-size:15px}
  .header-inner{min-height:66px;gap:14px}
  .logo-text{font-size:16px}
  .header-actions .btn-primary{display:none}
  .check-grid{grid-template-columns:1fr}
  .cta-card{padding:28px 22px;border-radius:var(--r-card)}
  .cta-actions .btn{width:100%}
  .faq-a-inner{padding-left:22px}
  .stats{padding:32px 0}
}
@media (max-width:519px){
  .logo-mark{width:30px;height:30px;font-size:15px}
  .logo-text{font-size:15px}
  .page-banner h1{font-size:26px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
}