/* roulang page: index */
:root{
  --c-primary:#12E29B;
  --c-primary-600:#0BB57C;
  --c-accent:#FF6A2C;
  --c-magenta:#FF3D7F;
  --c-ink:#0A0D0C;
  --c-ink-2:#121816;
  --c-paper:#F4F6F4;
  --c-card:#FFFFFF;
  --c-text:#1A1F1D;
  --c-muted:#5C6663;
  --c-border:#E4E9E6;
  --c-line-dark:rgba(255,255,255,.08);
  --c-glow:rgba(18,226,155,.35);
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --r-input:10px;
  --sh-card:0 1px 2px rgba(10,15,13,.06),0 12px 28px -16px rgba(10,15,13,.18);
  --sh-card-hover:0 2px 4px rgba(10,15,13,.08),0 20px 38px -18px rgba(10,15,13,.24);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:96px;
  --t:200ms ease;
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-paper);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary-600);text-decoration:none;transition:color var(--t),opacity var(--t);}
a:hover{color:var(--c-accent);}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.3;color:var(--c-text);}
h2{font-size:28px;margin-top:48px;margin-bottom:16px;}
h3{font-size:20px;margin-top:32px;margin-bottom:12px;}
p{margin:0 0 1.5em;}
ul,ol{margin:0 0 1.5em;padding-left:1.4em;}
li{margin-bottom:.5em;}
button,input,select,textarea{font:inherit;color:inherit;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:88px 0;}
.section--paper{background:var(--c-paper);}
.section--white{background:var(--c-card);}
.section--ink{background:var(--c-ink);color:#E9EFEC;}
.section--ink h2,.section--ink h3{color:#FFFFFF;}
.neon-divider{height:1px;border:0;margin:0;background:linear-gradient(90deg,var(--c-primary),var(--c-accent));opacity:.85;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(10,13,12,.92);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--c-line-dark);
  transition:background var(--t),box-shadow var(--t);
}
.site-header.is-scrolled{background:rgba(10,13,12,.98);box-shadow:0 12px 30px -20px rgba(0,0,0,.9);}
.site-header::before{content:"";display:block;height:1px;background:linear-gradient(90deg,var(--c-primary),var(--c-accent));}
.nav-wrap{display:flex;align-items:center;gap:var(--sp-5);height:64px;}
.brand{display:flex;align-items:center;gap:10px;color:#fff;flex-shrink:0;}
.brand:hover{color:#fff;}
.brand__mark{
  display:grid;place-items:center;width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-600));
  color:#062018;font-weight:800;font-size:14px;letter-spacing:.02em;
  box-shadow:0 0 0 1px rgba(18,226,155,.4),0 6px 18px -8px var(--c-glow);
}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__name{font-size:16px;font-weight:700;letter-spacing:-.01em;}
.brand__sub{font-size:11px;color:rgba(255,255,255,.55);letter-spacing:.06em;}
.nav-menu{display:flex;align-items:center;gap:var(--sp-2);margin-left:auto;}
.nav-menu a{
  position:relative;display:inline-flex;align-items:center;
  padding:8px 14px;border-radius:8px;
  font-size:15px;color:rgba(255,255,255,.76);
  transition:color var(--t),background var(--t);
}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-menu a.active{color:var(--c-primary);}
.nav-menu a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--c-primary);border-radius:2px;box-shadow:0 0 10px var(--c-glow);
}
.nav-cta{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 18px;border-radius:var(--r-btn);
  background:var(--c-primary);color:#04211A;font-weight:700;font-size:15px;
  box-shadow:0 0 0 0 rgba(18,226,155,0);
  transition:background var(--t),box-shadow var(--t),transform var(--t);
  flex-shrink:0;
}
.nav-cta:hover{background:#3BEAAF;color:#04211A;box-shadow:0 0 0 4px rgba(18,226,155,.18);}
.nav-cta:active{transform:translateY(1px);}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--c-line-dark);
  border-radius:10px;background:rgba(255,255,255,.04);color:#fff;cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#fff;position:relative;transition:background var(--t);}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;transition:transform var(--t);}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:var(--r-btn);
  font-size:16px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:background var(--t),color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t);
}
.btn-primary{background:var(--c-primary);color:#04211A;}
.btn-primary:hover{background:#3BEAAF;color:#04211A;box-shadow:0 0 0 4px rgba(18,226,155,.18);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.28);}
.btn-ghost:hover{color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost-dark{background:transparent;color:var(--c-text);border-color:var(--c-border);}
.btn-ghost-dark:hover{color:var(--c-primary-600);border-color:var(--c-primary);}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;padding:6px 0;font-weight:700;
  color:var(--c-primary-600);background:none;border:0;cursor:pointer;
}
.btn-text .arrow{transition:transform var(--t);}
.btn-text:hover .arrow{transform:translateX(2px);}
.btn-text:hover{color:var(--c-accent);}
.btn:disabled,.btn.is-disabled{background:#CFD6D2;color:#7C8783;cursor:not-allowed;box-shadow:none;transform:none;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:5px;
  padding:4px 11px;border-radius:999px;
  font-size:12px;letter-spacing:.02em;font-weight:700;
  background:rgba(18,226,155,.12);color:var(--c-primary-600);
}
.badge--accent{background:rgba(255,106,44,.13);color:#C84A15;}
.badge--ink{background:rgba(255,255,255,.08);color:#B9C6C1;}
.badge--dot::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:var(--c-ink);color:#E9EFEC;
  padding:84px 0 72px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(120% 90% at 15% 0%,#000 30%,transparent 78%);
  -webkit-mask-image:radial-gradient(120% 90% at 15% 0%,#000 30%,transparent 78%);
}
.hero::after{
  content:"";position:absolute;top:-160px;left:-120px;width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,226,155,.22),transparent 65%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid var(--c-line-dark);
  font-size:13px;color:#C6D2CD;letter-spacing:.04em;
}
.hero h1{
  margin:24px 0 20px;
  font-size:42px;line-height:1.24;color:#fff;letter-spacing:-.01em;
}
.hero h1 em{font-style:normal;color:var(--c-primary);}
.hero-lead{font-size:17px;color:#B7C4BF;max-width:560px;margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-points{display:flex;flex-wrap:wrap;gap:12px;}
.hero-point{
  display:flex;align-items:center;gap:8px;
  padding:9px 15px;border-radius:999px;
  background:rgba(255,255,255,.04);border:1px solid var(--c-line-dark);
  font-size:13px;color:#CBD6D2;
}
.hero-point strong{color:var(--c-accent);font-size:15px;}
.hero-visual{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  border:1px solid rgba(18,226,155,.30);
  box-shadow:0 0 0 1px rgba(18,226,155,.10),0 30px 70px -30px rgba(18,226,155,.35);
}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-visual__badge{
  position:absolute;left:18px;bottom:18px;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;
  background:rgba(10,13,12,.82);border:1px solid rgba(18,226,155,.4);
  font-size:13px;color:#DCE7E2;backdrop-filter:blur(6px);
}
.hero-visual__badge b{color:var(--c-primary);font-size:14px;}

/* ---------- 板块标题 ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.sec-head h2{margin:0 0 10px;font-size:28px;}
.sec-head p{margin:0;color:var(--c-muted);max-width:640px;font-size:16px;}
.section--ink .sec-head p{color:#9EAEA8;}
.sec-title-eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--c-primary-600);text-transform:uppercase;margin-bottom:10px;
}
.section--ink .sec-title-eyebrow{color:var(--c-primary);}

/* ---------- 三步上手 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative;}
.step{
  position:relative;background:var(--c-card);border:1px solid var(--c-border);
  border-radius:var(--r-card);padding:32px 26px;box-shadow:var(--sh-card);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-card-hover);border-color:rgba(18,226,155,.45);}
.step__num{
  font-size:40px;font-weight:800;line-height:1;color:var(--c-accent);
  letter-spacing:-.02em;margin-bottom:18px;
}
.step__icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(18,226,155,.12);color:var(--c-primary-600);
  font-weight:800;font-size:18px;margin-bottom:16px;
}
.step h3{margin:0 0 10px;font-size:20px;}
.step p{margin:0;color:var(--c-muted);font-size:15px;}
.step::after{
  content:"";position:absolute;top:64px;right:-24px;width:24px;
  border-top:2px dashed rgba(18,226,155,.5);
}
.step:last-child::after{display:none;}

/* ---------- 案例证明 ---------- */
.case{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:36px 0;}
.case + .case{border-top:1px solid var(--c-border);}
.case--reverse .case__media{order:2;}
.case__media{
  border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-border);
  box-shadow:var(--sh-card);
}
.case__media img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.case__body .badge{margin-bottom:14px;}
.case__body h3{font-size:24px;margin:0 0 14px;}
.case__body p{color:var(--c-muted);font-size:16px;margin-bottom:24px;}
.case__stats{display:flex;gap:36px;flex-wrap:wrap;}
.stat__num{font-size:34px;font-weight:800;color:var(--c-text);line-height:1.1;letter-spacing:-.02em;}
.stat__num span{font-size:16px;color:var(--c-accent);margin-left:4px;font-weight:700;}
.stat__label{font-size:13px;color:var(--c-muted);margin-top:6px;}

/* ---------- 分类入口 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.cat-card{
  display:flex;flex-direction:column;
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.cat-card:hover{transform:translateY(-2px);box-shadow:var(--sh-card-hover);border-color:rgba(18,226,155,.45);}
.cat-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.cat-card__body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.cat-card__body h3{margin:0;font-size:20px;}
.cat-card__body p{margin:0;color:var(--c-muted);font-size:15px;flex:1;}
.cat-card__body .btn-text{align-self:flex-start;}

/* ---------- 最新发布 ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  display:flex;flex-direction:column;gap:14px;
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-card);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-card-hover);border-color:rgba(18,226,155,.45);}
.post-card h3{margin:0;font-size:18px;line-height:1.45;}
.post-card h3 a{color:var(--c-text);}
.post-card h3 a:hover{color:var(--c-primary-600);}
.post-card p{
  margin:0;color:var(--c-muted);font-size:15px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  flex:1;
}
.post-card__meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--c-muted);}
.post-card__meta time{font-variant-numeric:tabular-nums;}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 24px;text-align:center;
  background:var(--c-card);border:1px dashed var(--c-border);border-radius:var(--r-card);
}
.empty-state__icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:rgba(18,226,155,.12);color:var(--c-primary-600);font-size:22px;font-weight:800;
}
.empty-state p{margin:0;color:var(--c-muted);}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start;}
.faq-aside{position:sticky;top:96px;}
.faq-aside h2{margin:0 0 14px;}
.faq-aside p{color:var(--c-muted);font-size:16px;margin-bottom:22px;}
.faq-list{border-top:1px solid var(--c-border);}
.faq-item{border-bottom:1px solid var(--c-border);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px 22px 0;background:none;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:700;color:var(--c-text);transition:color var(--t),padding var(--t);
}
.faq-q:hover{color:var(--c-primary-600);}
.faq-q .chev{
  flex-shrink:0;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  border:1px solid var(--c-border);color:var(--c-muted);font-size:14px;
  transition:transform var(--t),color var(--t),border-color var(--t);
}
.faq-item.open .faq-q{padding-left:16px;color:var(--c-primary-600);}
.faq-item.open .faq-q .chev{transform:rotate(45deg);color:var(--c-primary);border-color:var(--c-primary);}
.faq-item.open{border-left:3px solid var(--c-primary);border-radius:2px;}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height 280ms ease;
}
.faq-a p{
  margin:0;padding:0 4px 24px 16px;color:var(--c-muted);font-size:16px;
}
.faq-item.open .faq-a{max-height:340px;}

/* ---------- CTA ---------- */
.cta-banner{
  position:relative;overflow:hidden;border-radius:20px;
  background:var(--c-ink-2);color:#E9EFEC;
  padding:60px 48px;text-align:center;
  border:1px solid rgba(18,226,155,.28);
}
.cta-banner::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(60% 90% at 50% 0%,rgba(18,226,155,.20),transparent 70%);
}
.cta-banner > *{position:relative;z-index:1;}
.cta-banner h2{color:#fff;margin:0 0 14px;font-size:30px;}
.cta-banner p{color:#A9B7B2;max-width:640px;margin:0 auto 30px;}
.cta-note{margin-top:18px;font-size:14px;color:#8D9A95;}
.cta-form{
  display:grid;grid-template-columns:1fr 1fr auto;gap:14px;
  max-width:760px;margin:36px auto 0;text-align:left;
}
.field{display:flex;flex-direction:column;gap:7px;}
.field label{font-size:13px;color:#B4C1BC;letter-spacing:.02em;}
.field input{
  height:44px;padding:0 14px;border-radius:var(--r-input);
  background:rgba(255,255,255,.05);border:1px solid var(--c-line-dark);color:#fff;
  transition:border-color var(--t),box-shadow var(--t),background var(--t);
}
.field input::placeholder{color:rgba(255,255,255,.32);}
.field input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(18,226,155,.25);background:rgba(255,255,255,.08);}
.field input.is-error{border-color:#FF5A5A;box-shadow:0 0 0 3px rgba(255,90,90,.18);}
.field .err{font-size:12px;color:#FF8A8A;min-height:14px;}
.form-msg{grid-column:1/-1;font-size:14px;color:var(--c-primary);margin:0;min-height:20px;}

/* ---------- 表单（浅色区） ---------- */
.form-panel{
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:30px;box-shadow:var(--sh-card);
}
.form-panel .field label{color:var(--c-muted);}
.form-panel .field input{
  background:#fff;border:1px solid var(--c-border);color:var(--c-text);
}
.form-panel .field input::placeholder{color:#A6B0AC;}
.form-panel .field input:focus{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(18,226,155,.18);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#9EAEA8;border-top:1px solid var(--c-line-dark);position:relative;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,var(--c-primary),var(--c-accent));}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;margin-bottom:16px;}
.site-footer p{font-size:14px;line-height:1.85;color:#8E9B96;margin:0;}
.footer-col h4{color:#fff;font-size:15px;margin:0 0 16px;letter-spacing:.02em;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:#9EAEA8;font-size:14px;}
.footer-col a:hover{color:var(--c-primary);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  border-top:1px solid var(--c-line-dark);padding:20px 0 28px;font-size:13px;color:#7C8983;
}
.to-top{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:999px;border:1px solid var(--c-line-dark);
  background:rgba(255,255,255,.04);color:#C6D2CD;font-size:13px;cursor:pointer;
  transition:color var(--t),border-color var(--t);
}
.to-top:hover{color:var(--c-primary);border-color:var(--c-primary);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:960px;}
}
@media (max-width:1023px){
  body{font-size:16px;}
  .container{max-width:720px;}
  .section{padding:56px 0;}
  .nav-menu,.site-header .nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .nav-wrap{height:56px;}
  .nav-menu.is-open{
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    position:absolute;left:0;right:0;top:100%;
    background:rgba(10,13,12,.99);border-bottom:1px solid var(--c-line-dark);
    padding:8px 20px 20px;
  }
  .nav-menu.is-open a{
    padding:16px 12px;border-bottom:1px solid var(--c-line-dark);border-radius:0;
    font-size:16px;color:#D5DFDB;
  }
  .nav-menu.is-open a.active::after{display:none;}
  .nav-menu.is-open a.active{
    color:var(--c-primary);border-left:3px solid var(--c-primary);padding-left:16px;
  }
  .nav-menu.is-open .nav-cta-mobile{
    display:inline-flex;margin-top:16px;justify-content:center;
  }
  .hero{padding:56px 0 48px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero h1{font-size:32px;}
  .steps{grid-template-columns:1fr;gap:16px;}
  .step::after{display:none;}
  .case{grid-template-columns:1fr;gap:28px;padding:28px 0;}
  .case--reverse .case__media{order:0;}
  .cat-grid,.post-grid{grid-template-columns:repeat(2,1fr);}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .faq-aside{position:static;}
  .cta-form{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  h2{font-size:22px;}
  .hero h1{font-size:28px;}
  .hero-lead{font-size:16px;}
  .cat-grid,.post-grid{grid-template-columns:1fr;}
  .cta-banner{padding:40px 22px;}
  .cta-banner h2{font-size:23px;}
  .case__body h3{font-size:21px;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
}
@media (max-width:519px){
  body{font-size:16px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .case__stats{gap:22px;}
  .stat__num{font-size:28px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important;}
}

/* roulang page: category1 */
:root{
  --c-primary:#12E29B;
  --c-primary-600:#0BB57C;
  --c-accent:#FF6A2C;
  --c-magenta:#FF3D7F;
  --c-ink:#0A0D0C;
  --c-ink-2:#121816;
  --c-paper:#F4F6F4;
  --c-card:#FFFFFF;
  --c-text:#1A1F1D;
  --c-muted:#5C6663;
  --c-line:#E4E9E6;
  --c-line-dark:rgba(255,255,255,.08);
  --glow:rgba(18,226,155,.35);
  --glow-soft:rgba(18,226,155,.18);
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(10,15,13,.06), 0 12px 28px -16px rgba(10,15,13,.18);
  --sh-lift:0 2px 6px rgba(10,15,13,.08), 0 20px 38px -20px rgba(10,15,13,.24);
  --s1:4px; --s2:8px; --s3:12px; --s4:16px; --s5:24px; --s6:32px; --s7:48px; --s8:64px; --s9:96px;
  --font: "PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary-600);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--c-primary);}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--c-primary);outline-offset:3px;border-radius:6px;
}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.3;}
p{margin:0 0 1.5em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0 0 1.5em;padding-left:1.2em;}
li{margin-bottom:.6em;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input{font-family:inherit;font-size:inherit;}
.num,time,.stat__value{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (max-width:1279px){.container{max-width:960px;}}
@media (max-width:1023px){.container{max-width:720px;}}
@media (max-width:767px){.container{max-width:none;padding:0 20px;}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-ink);
  border-top:1px solid transparent;
  border-image:linear-gradient(90deg,var(--c-primary),var(--c-accent)) 1;
  border-top-width:1px;
  transition:background-color .2s ease,box-shadow .2s ease,backdrop-filter .2s ease;
}
.site-header.is-scrolled{background:rgba(10,13,12,.88);backdrop-filter:blur(8px);box-shadow:0 10px 30px -18px rgba(0,0,0,.9);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:var(--s5);height:var(--nav-h);}
.brand{display:flex;align-items:center;gap:10px;color:#fff;}
.brand:hover{color:#fff;}
.brand__mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;
  background:linear-gradient(140deg,var(--c-primary),var(--c-primary-600));
  color:#06231A;font-weight:800;font-size:15px;letter-spacing:.02em;
  box-shadow:0 0 0 1px rgba(18,226,155,.35), 0 8px 20px -10px var(--glow);
}
.brand__text{display:flex;flex-direction:column;line-height:1.2;}
.brand__name{font-size:16px;font-weight:700;letter-spacing:-.01em;}
.brand__sub{font-size:12px;color:rgba(255,255,255,.5);letter-spacing:.02em;}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-menu > a{
  position:relative;display:inline-flex;align-items:center;
  height:38px;padding:0 14px;border-radius:8px;
  color:rgba(255,255,255,.72);font-size:15px;
}
.nav-menu > a:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-menu > a.active{color:var(--c-primary);}
.nav-menu > a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-2px;height:2px;border-radius:2px;
  background:var(--c-primary);box-shadow:0 0 10px var(--glow);
}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 20px;border-radius:var(--r-btn);
  background:var(--c-primary);color:#06231A;font-weight:700;font-size:15px;
  transition:background-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.nav-cta:hover{background:#25F0AC;color:#06231A;box-shadow:0 0 0 4px var(--glow-soft);}
.nav-cta:active{transform:translateY(1px);}
.nav-cta-mobile{display:none;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--c-line-dark);border-radius:10px;
  background:rgba(255,255,255,.04);position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;width:18px;height:2px;background:#fff;border-radius:2px;
  transform:translateX(-50%);transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle span{top:50%;margin-top:-1px;}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none;}
.nav-toggle span::after{content:"";top:6px;left:0;transform:none;}
.nav-toggle[aria-expanded="true"] span{background:transparent;}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}
@media (max-width:1023px){
  .nav-toggle{display:block;}
  .nav-cta{display:none;}
  .nav-cta-mobile{display:inline-flex;width:100%;margin-top:var(--s4);}
  .nav-menu{
    position:fixed;inset:var(--nav-h) 0 0 0;z-index:55;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--c-ink);padding:var(--s4) 20px var(--s7);
    transform:translateY(-8px);opacity:0;visibility:hidden;overflow-y:auto;
    transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
  }
  .nav-menu.is-open{opacity:1;visibility:visible;transform:translateY(0);}
  .nav-menu > a{
    height:56px;border-radius:0;border-bottom:1px solid var(--c-line-dark);
    padding:0 12px;font-size:16px;color:rgba(255,255,255,.82);
  }
  .nav-menu > a.active{background:rgba(18,226,155,.08);}
  .nav-menu > a.active::after{left:0;top:8px;bottom:8px;width:3px;height:auto;right:auto;border-radius:0 3px 3px 0;}
}

/* ---------- Breadcrumb ---------- */
.crumb{background:var(--c-ink);color:rgba(255,255,255,.55);font-size:13px;padding:var(--s3) 0 var(--s5);}
.crumb ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0;}
.crumb li{margin:0;display:flex;align-items:center;gap:8px;}
.crumb li + li::before{content:"/";color:rgba(255,255,255,.28);}
.crumb a{color:rgba(255,255,255,.7);}
.crumb a:hover{color:var(--c-primary);}
.crumb [aria-current]{color:var(--c-primary);}

/* ---------- Page banner ---------- */
.page-hero{
  position:relative;background:var(--c-ink);color:#fff;overflow:hidden;
  padding-bottom:var(--s8);
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
  opacity:.7;
}
.page-hero__grid{
  position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:var(--s7);align-items:center;
}
.page-hero__bg{
  position:absolute;inset:0;
  background-image:linear-gradient(100deg,rgba(10,13,12,.96) 0%,rgba(10,13,12,.82) 46%,rgba(10,13,12,.5) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  opacity:.9;
}
.page-hero .container{position:relative;z-index:2;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(18,226,155,.12);border:1px solid rgba(18,226,155,.35);
  color:var(--c-primary);font-size:12px;letter-spacing:.06em;
  margin-bottom:var(--s4);
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 10px var(--glow);}
.page-hero h1{font-size:42px;margin-bottom:var(--s4);}
.page-hero h1 em{font-style:normal;color:var(--c-primary);}
.page-hero__lead{font-size:17px;color:rgba(255,255,255,.72);max-width:600px;margin-bottom:var(--s5);}
.page-hero__actions{display:flex;flex-wrap:wrap;gap:var(--s3);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:16px;font-weight:700;letter-spacing:.01em;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.btn-primary{background:var(--c-primary);color:#06231A;}
.btn-primary:hover{background:#25F0AC;color:#06231A;box-shadow:0 0 0 4px var(--glow-soft);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.24);color:#fff;}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:40px;padding:0 18px;font-size:15px;}
.hero-facts{
  display:flex;flex-wrap:wrap;gap:var(--s6);margin-top:var(--s6);
  padding-top:var(--s5);border-top:1px solid var(--c-line-dark);
}
.hero-facts .fact__value{display:block;font-size:26px;font-weight:700;color:#fff;}
.hero-facts .fact__value span{font-size:14px;color:var(--c-primary);margin-left:2px;}
.hero-facts .fact__label{font-size:13px;color:rgba(255,255,255,.55);}
.hero-media{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  border:1px solid rgba(18,226,155,.35);
  box-shadow:0 0 0 1px rgba(18,226,155,.12), 0 30px 60px -30px var(--glow);
}
.hero-media img{width:100%;height:320px;object-fit:cover;}
.hero-media__badge{
  position:absolute;left:16px;bottom:16px;display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--r-pill);
  background:rgba(10,13,12,.82);border:1px solid rgba(18,226,155,.4);
  color:var(--c-primary);font-size:12px;backdrop-filter:blur(6px);
}
@media (max-width:1023px){
  .page-hero__grid{grid-template-columns:1fr;gap:var(--s6);}
  .page-hero h1{font-size:32px;}
  .hero-media img{height:240px;}
}
@media (max-width:520px){
  .page-hero h1{font-size:28px;}
  .page-hero__actions .btn{width:100%;}
  .hero-facts{gap:var(--s5);}
}

/* ---------- Sections ---------- */
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:var(--s7);}
.section-head h2{font-size:28px;margin-bottom:var(--s3);}
.section-head p{color:var(--c-muted);font-size:16px;}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
@media (max-width:767px){
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .section-head h2{font-size:22px;}
  .section-head{margin-bottom:var(--s6);}
}

/* ---------- Anchor layout ---------- */
.split{display:grid;grid-template-columns:220px 1fr;gap:var(--s7);align-items:start;}
.toc{position:sticky;top:88px;}
.toc h3{font-size:13px;letter-spacing:.1em;color:var(--c-muted);text-transform:uppercase;margin-bottom:var(--s3);}
.toc ol{list-style:none;margin:0;padding:0;border-left:1px solid var(--c-line);}
.toc li{margin:0;}
.toc a{
  display:block;padding:10px 0 10px 16px;margin-left:-1px;
  border-left:2px solid transparent;color:var(--c-muted);font-size:15px;
}
.toc a:hover{color:var(--c-text);border-left-color:rgba(18,226,155,.5);}
.toc a.is-current{color:var(--c-primary-600);border-left-color:var(--c-primary);font-weight:600;}
.toc__cta{
  display:inline-flex;margin-top:var(--s5);font-size:14px;font-weight:600;align-items:center;gap:6px;
}
.article-block{max-width:760px;}
.article-block h2{font-size:28px;margin:48px 0 16px;scroll-margin-top:88px;}
.article-block h2:first-child{margin-top:0;}
.article-block h3{font-size:20px;margin:32px 0 12px;}
.article-block p{color:#2A322F;font-size:17px;}
.article-block ul{color:#2A322F;}
.article-block strong{color:var(--c-text);}
.figure{margin:var(--s6) 0;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line);background:#fff;}
.figure img{width:100%;height:300px;object-fit:cover;}
.figure figcaption{padding:12px 16px;font-size:13px;color:var(--c-muted);border-top:1px solid var(--c-line);}
.callout{
  margin:var(--s6) 0;padding:var(--s5);
  border-radius:var(--r-card);background:#fff;border:1px solid var(--c-line);
  border-left:3px solid var(--c-primary);
  box-shadow:var(--sh-card);
}
.callout h3{margin-top:0;font-size:18px;}
.callout p{font-size:16px;color:var(--c-muted);}
@media (max-width:1023px){
  .split{grid-template-columns:1fr;gap:var(--s6);}
  .toc{position:static;padding:var(--s4);border:1px solid var(--c-line);border-radius:var(--r-card);background:#fff;box-shadow:var(--sh-card);}
}
@media (max-width:767px){
  .article-block h2{font-size:22px;margin-top:32px;}
  .figure img{height:200px;}
}

/* ---------- Cards ---------- */
.grid{display:grid;gap:var(--s5);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
@media (max-width:1023px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}}
@media (max-width:640px){.grid-3,.grid-4,.grid-2{grid-template-columns:1fr;}}
.card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:var(--s5);box-shadow:var(--sh-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-lift);border-color:rgba(18,226,155,.4);}
.card__icon{
  width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(18,226,155,.12);color:var(--c-primary-600);font-weight:800;font-size:16px;
  margin-bottom:var(--s4);
}
.card h3{font-size:19px;margin-bottom:var(--s2);}
.card p{font-size:15px;color:var(--c-muted);margin-bottom:var(--s4);}
.card ul{font-size:15px;color:var(--c-muted);padding-left:1.1em;margin-bottom:0;}
.badge{
  display:inline-block;padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.02em;font-weight:600;
  background:rgba(18,226,155,.12);color:var(--c-primary-600);
}
.badge--accent{background:rgba(255,106,44,.12);color:#C64A15;}
.badge--magenta{background:rgba(255,61,127,.1);color:#C42A5F;}

/* ---------- Feature rows (图文交替) ---------- */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:var(--s7);align-items:center;margin-bottom:var(--s7);}
.feature:last-child{margin-bottom:0;}
.feature__media{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-card);background:#fff;}
.feature__media img{width:100%;height:300px;object-fit:cover;}
.feature__body h3{font-size:22px;margin-bottom:var(--s3);}
.feature__body p{color:var(--c-muted);font-size:16px;}
.feature--reverse .feature__media{order:2;}
.stats-row{display:flex;gap:var(--s6);margin-top:var(--s4);flex-wrap:wrap;}
.stat__value{font-size:28px;font-weight:700;color:var(--c-text);display:block;line-height:1.2;}
.stat__value span{font-size:14px;color:var(--c-accent);margin-left:2px;}
.stat__label{font-size:13px;color:var(--c-muted);}
@media (max-width:1023px){
  .feature{grid-template-columns:1fr;gap:var(--s5);}
  .feature--reverse .feature__media{order:0;}
  .feature__media img{height:240px;}
}

/* ---------- Table ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--c-line);border-radius:var(--r-card);background:#fff;box-shadow:var(--sh-card);}
table{width:100%;border-collapse:collapse;font-size:15px;min-width:560px;}
caption{text-align:left;padding:var(--s4) var(--s5) 0;color:var(--c-muted);font-size:14px;}
th,td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--c-line);}
th{background:#F8FAF8;color:var(--c-muted);font-weight:600;font-size:13px;letter-spacing:.03em;}
tbody tr:last-child td{border-bottom:none;}
tbody tr:hover{background:#FAFCFA;}
td strong{color:var(--c-text);}

/* ---------- Timeline / steps ---------- */
.steps{position:relative;padding-left:0;list-style:none;margin:0;}
.steps li{position:relative;padding:0 0 var(--s6) 64px;margin:0;}
.steps li::before{
  content:attr(data-step);position:absolute;left:0;top:0;
  width:44px;height:44px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-ink);color:var(--c-primary);font-weight:800;font-size:16px;
  font-variant-numeric:tabular-nums;
  border:1px solid rgba(18,226,155,.35);
}
.steps li::after{
  content:"";position:absolute;left:21px;top:48px;bottom:8px;width:1px;
  background:repeating-linear-gradient(180deg,var(--c-line) 0 5px,transparent 5px 10px);
}
.steps li:last-child{padding-bottom:0;}
.steps li:last-child::after{display:none;}
.steps h3{font-size:19px;margin-bottom:var(--s2);}
.steps p{color:var(--c-muted);font-size:16px;margin-bottom:0;}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--c-line);}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:22px 44px 22px 20px;position:relative;
  font-size:17px;font-weight:600;color:var(--c-text);
  transition:color .18s ease,background-color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:20px;top:50%;width:9px;height:9px;
  border-right:2px solid var(--c-muted);border-bottom:2px solid var(--c-muted);
  transform:translateY(-70%) rotate(45deg);transition:transform .2s ease,border-color .2s ease;
}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:var(--c-primary);box-shadow:0 0 10px var(--glow);
  transform:scaleY(0);transform-origin:top;transition:transform .22s ease;
}
.faq-item summary:hover{color:var(--c-primary-600);background:rgba(18,226,155,.04);}
.faq-item[open] summary::before{transform:scaleY(1);}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);border-color:var(--c-primary-600);}
.faq-item__body{padding:0 44px 24px 20px;color:var(--c-muted);font-size:16px;}
.faq-item__body p{margin-bottom:.8em;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;background:var(--c-ink);color:#fff;overflow:hidden;
  padding:72px 0;
}
.cta-band::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 82% 20%,rgba(18,226,155,.16),transparent 55%),
                   linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:auto,48px 48px,48px 48px;
  opacity:.5;pointer-events:none;
}
.cta-band .container{position:relative;z-index:2;}
.cta-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:var(--s7);align-items:center;}
.cta-band h2{font-size:30px;margin-bottom:var(--s3);}
.cta-band p{color:rgba(255,255,255,.7);font-size:16px;margin-bottom:var(--s5);}
.cta-band__note{font-size:14px;color:rgba(255,255,255,.55);}
.form-card{
  background:rgba(255,255,255,.04);border:1px solid var(--c-line-dark);
  border-radius:var(--r-card);padding:var(--s5);
  box-shadow:inset 0 0 0 1px rgba(18,226,155,.08);
}
.field{margin-bottom:var(--s4);}
.field label{display:block;font-size:14px;color:rgba(255,255,255,.78);margin-bottom:8px;}
.field input{
  width:100%;height:46px;padding:0 14px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  color:#fff;transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.field input::placeholder{color:rgba(255,255,255,.35);}
.field input:focus{
  outline:none;border-color:var(--c-primary);background:rgba(18,226,155,.06);
  box-shadow:0 0 0 3px var(--glow-soft);
}
.field__hint{font-size:13px;color:rgba(255,255,255,.45);margin-top:8px;}
.form-card .btn{width:100%;}
@media (max-width:1023px){
  .cta-grid{grid-template-columns:1fr;gap:var(--s6);}
  .cta-band h2{font-size:24px;}
}
@media (max-width:520px){
  .cta-band{padding:56px 0;}
}

/* ---------- Related entries ---------- */
.entry-list{list-style:none;margin:0;padding:0;display:grid;gap:var(--s3);}
.entry-list li{margin:0;}
.entry-list a{
  display:flex;align-items:center;justify-content:space-between;gap:var(--s4);
  padding:18px 20px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  color:var(--c-text);box-shadow:var(--sh-card);
  transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.entry-list a:hover{transform:translateY(-2px);border-color:rgba(18,226,155,.45);box-shadow:var(--sh-lift);color:var(--c-text);}
.entry-list .entry__title{font-weight:600;font-size:16px;}
.entry-list .entry__desc{display:block;font-size:14px;color:var(--c-muted);font-weight:400;margin-top:4px;}
.entry-list .arrow{color:var(--c-primary-600);transition:transform .18s ease;font-weight:700;}
.entry-list a:hover .arrow{transform:translateX(2px);}

/* ---------- Footer ---------- */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.7);padding:72px 0 0;position:relative;}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:var(--s6);}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:var(--s4);}
.footer-brand .brand__name{color:#fff;}
.footer-grid p{font-size:14px;color:rgba(255,255,255,.55);max-width:340px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:var(--s4);}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:rgba(255,255,255,.62);font-size:14px;}
.footer-col a:hover{color:var(--c-primary);}
.footer-bottom{
  margin-top:var(--s8);padding:20px 0;
  border-top:1px solid var(--c-line-dark);
  display:flex;align-items:center;justify-content:space-between;gap:var(--s4);flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.45);
}
.to-top{
  background:transparent;border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.72);
  height:38px;padding:0 16px;border-radius:var(--r-pill);font-size:13px;
  transition:border-color .18s ease,color .18s ease;
}
.to-top:hover{border-color:var(--c-primary);color:var(--c-primary);}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:640px){
  .site-footer{padding-top:56px;}
  .footer-grid{grid-template-columns:1fr;gap:var(--s6);}
  .footer-bottom{margin-top:var(--s7);}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --c-primary:#12E29B;
  --c-primary-600:#0BB57C;
  --c-accent:#FF6A2C;
  --c-magenta:#FF3D7F;
  --c-ink:#0A0D0C;
  --c-ink-2:#121816;
  --c-paper:#F4F6F4;
  --c-card:#FFFFFF;
  --c-text:#1A1F1D;
  --c-muted:#5C6663;
  --c-border:#E4E9E6;
  --c-border-dark:rgba(255,255,255,.08);
  --glow:rgba(18,226,155,.35);
  --c-danger:#FF5A5A;
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --shadow-card:0 1px 2px rgba(10,15,13,.06),0 12px 28px -16px rgba(10,15,13,.18);
  --shadow-soft:0 1px 2px rgba(10,15,13,.05);
  --font-sans:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-paper);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
p{margin:0 0 1.5em}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.35}
ul,ol{margin:0 0 1.5em;padding-left:1.35em}
li{margin:.45em 0}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.neon-divider{height:1px;background:linear-gradient(90deg,var(--c-primary),var(--c-accent));opacity:.55;border:0;margin:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#04140D;border-color:var(--c-primary)}
.btn-primary:hover{background:#25EEAC;box-shadow:0 0 0 4px rgba(18,226,155,.18)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.24)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary)}
.btn-outline{background:#fff;color:var(--c-text);border-color:var(--c-border)}
.btn-outline:hover{border-color:var(--c-primary);color:var(--c-primary-600)}
.btn-link{background:none;border:0;padding:0;color:var(--c-primary-600);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.btn-link .arrow{transition:transform .18s ease}
.btn-link:hover .arrow{transform:translateX(3px)}
.btn[disabled]{background:var(--c-border);border-color:var(--c-border);color:#9AA5A1;cursor:not-allowed;box-shadow:none}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;line-height:1.6;
}
.badge--primary{background:rgba(18,226,155,.12);color:var(--c-primary-600)}
.badge--accent{background:rgba(255,106,44,.12);color:#C8460F}
.badge--dark{background:rgba(18,226,155,.14);color:var(--c-primary);border:1px solid rgba(18,226,155,.3)}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:var(--c-ink);transition:background .2s ease,box-shadow .2s ease}
.site-header::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;background:linear-gradient(90deg,var(--c-primary),var(--c-accent))}
.site-header.is-scrolled{background:rgba(10,13,12,.94);backdrop-filter:blur(8px);box-shadow:0 14px 32px -22px rgba(0,0,0,.95)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;min-width:0}
.brand__mark{
  display:grid;place-items:center;width:38px;height:38px;flex:0 0 38px;
  border-radius:11px;background:linear-gradient(135deg,var(--c-primary),var(--c-primary-600));
  color:#04140D;font-weight:800;font-size:13px;letter-spacing:.02em;
}
.brand__text{display:flex;flex-direction:column;line-height:1.3;min-width:0}
.brand__name{font-size:15px;font-weight:600;color:#fff;white-space:nowrap}
.brand__sub{font-size:12px;color:rgba(255,255,255,.5);white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-menu a{position:relative;padding:8px 12px;border-radius:8px;font-size:15px;color:rgba(255,255,255,.72);transition:color .18s ease,background .18s ease}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-menu a.active{color:var(--c-primary)}
.nav-menu a.active::after{content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;background:var(--c-primary);box-shadow:0 0 8px var(--glow)}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 18px;
  border-radius:var(--r-btn);background:var(--c-primary);color:#04140D;font-size:14px;font-weight:700;
  transition:background .18s ease,box-shadow .18s ease,transform .18s ease;
}
.nav-cta:hover{background:#25EEAC;box-shadow:0 0 0 4px rgba(18,226,155,.18)}
.nav-cta:active{transform:translateY(1px)}
.nav-cta-mobile{display:none}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid rgba(255,255,255,.16);border-radius:10px;background:transparent;cursor:pointer;position:relative}
.nav-toggle span{position:absolute;left:50%;top:50%;width:18px;height:2px;background:#fff;border-radius:2px;transform:translate(-50%,-50%);transition:background .18s ease}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px;transition:transform .2s ease,top .2s ease}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}

/* ---------- 面包屑 ---------- */
.page-band{background:var(--c-ink-2);border-bottom:1px solid var(--c-border-dark);position:relative;overflow:hidden}
.page-band::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:48px 48px;opacity:.5;pointer-events:none;
}
.breadcrumb{position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:18px 0;font-size:13px;color:rgba(255,255,255,.6)}
.breadcrumb a{color:rgba(255,255,255,.72);transition:color .18s ease}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:rgba(255,255,255,.28)}
.breadcrumb .current{color:rgba(255,255,255,.92);max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章 ---------- */
.article-shell{padding:44px 0 88px}
.article-card{
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);
  box-shadow:var(--shadow-card);padding:52px 56px 56px;
}
.article-inner{max-width:760px;margin:0 auto}
.article-head{margin-bottom:32px;padding-bottom:28px;border-bottom:1px solid var(--c-border)}
.article-head h1{font-size:42px;margin:16px 0 20px;color:var(--c-text)}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--c-muted)}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#C3CCC8}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.lead-note{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--c-paper);border:1px solid var(--c-border);border-left:3px solid var(--c-primary);
  border-radius:0 12px 12px 0;padding:14px 18px;margin:0 0 32px;
  font-size:15px;color:var(--c-muted);
}
.lead-note strong{color:var(--c-text)}
.cms-content{font-size:17px;line-height:1.85;color:var(--c-text)}
.cms-content > *:first-child{margin-top:0}
.cms-content h2{font-size:28px;margin:48px 0 16px;color:var(--c-text)}
.cms-content h2::before{content:"";display:block;width:38px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--c-primary),var(--c-accent));margin-bottom:16px}
.cms-content h3{font-size:20px;margin:32px 0 12px;color:var(--c-text)}
.cms-content h4{font-size:17px;margin:24px 0 10px}
.cms-content p{margin:0 0 1.5em}
.cms-content ul,.cms-content ol{margin:0 0 1.5em;padding-left:1.4em}
.cms-content li{margin:.5em 0}
.cms-content ul li::marker{color:var(--c-primary-600)}
.cms-content ol li::marker{color:var(--c-primary-600);font-weight:700}
.cms-content a{color:var(--c-primary-600);text-decoration:underline;text-underline-offset:3px;transition:color .18s ease}
.cms-content a:hover{color:var(--c-accent)}
.cms-content blockquote{
  margin:28px 0;padding:18px 22px;background:var(--c-paper);
  border-left:3px solid var(--c-accent);border-radius:0 12px 12px 0;color:#3C4643;
}
.cms-content blockquote p:last-child{margin-bottom:0}
.cms-content img{border-radius:var(--r-img);margin:24px 0;box-shadow:var(--shadow-soft)}
.cms-content figure{margin:28px 0}
.cms-content figcaption{font-size:13px;color:var(--c-muted);text-align:center;margin-top:10px}
.cms-content code{background:var(--c-paper);border:1px solid var(--c-border);border-radius:6px;padding:2px 6px;font-size:.92em}
.cms-content table{margin:26px 0;font-size:15px;border-radius:12px;overflow:hidden}
.cms-content th{background:var(--c-ink-2);color:#fff;text-align:left;padding:12px 14px;font-weight:600}
.cms-content td{padding:12px 14px;border-bottom:1px solid var(--c-border);color:#3C4643}
.cms-content tr:nth-child(even) td{background:#FAFBFA}
.cms-content hr{border:0;height:1px;background:var(--c-border);margin:40px 0}

/* 空态 */
.empty-state{
  text-align:center;padding:56px 24px;background:var(--c-paper);
  border:1px dashed var(--c-border);border-radius:var(--r-card);
}
.empty-state .icon{
  width:52px;height:52px;margin:0 auto 18px;border-radius:14px;display:grid;place-items:center;
  background:#fff;border:1px solid var(--c-border);color:var(--c-primary-600);font-size:22px;font-weight:700;
}
.empty-state h3{font-size:20px;margin-bottom:10px}
.empty-state p{color:var(--c-muted);font-size:15px;margin-bottom:22px}

/* ---------- 相关推荐 ---------- */
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:36px}
.section-head h2{font-size:28px}
.section-head .eyebrow{display:block;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--c-primary-600);text-transform:uppercase;margin-bottom:10px}
.section-head p{color:var(--c-muted);font-size:15px;margin:10px 0 0;max-width:62ch}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  background:var(--c-card);border:1px solid var(--c-border);border-radius:var(--r-card);
  box-shadow:var(--shadow-soft);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-card);border-color:rgba(18,226,155,.45)}
.card__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-ink-2)}
.card__media img{width:100%;height:100%;object-fit:cover}
.card__media .badge{position:absolute;left:14px;top:14px;background:rgba(10,13,12,.72);color:#fff;backdrop-filter:blur(4px)}
.card__body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card__body h3{font-size:19px;line-height:1.45}
.card__body p{font-size:14px;color:var(--c-muted);margin:0;flex:1}
.card__meta{font-size:13px;color:var(--c-muted);display:flex;align-items:center;gap:8px}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--c-border)}
.faq-item{border-bottom:1px solid var(--c-border);position:relative}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 40px 20px 0;font-size:17px;font-weight:600;
  position:relative;transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:8px;top:50%;width:9px;height:9px;
  border-right:2px solid var(--c-muted);border-bottom:2px solid var(--c-muted);
  transform:translateY(-70%) rotate(45deg);transition:transform .2s ease,border-color .2s ease;
}
.faq-item[open] summary{color:var(--c-primary-600)}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg);border-color:var(--c-primary-600)}
.faq-item p{margin:0 0 22px;color:var(--c-muted);font-size:15px;padding-left:16px;border-left:2px solid rgba(18,226,155,.4)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;background:var(--c-ink);color:#fff;overflow:hidden;
  border-top:1px solid var(--c-border-dark);border-bottom:1px solid var(--c-border-dark);
}
.cta-band::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
}
.cta-band::after{
  content:"";position:absolute;width:520px;height:520px;right:-160px;top:-260px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,226,155,.22),transparent 65%);pointer-events:none;
}
.cta-inner{position:relative;z-index:1;padding:80px 0;max-width:680px}
.cta-inner h2{font-size:32px;margin:16px 0 14px;color:#fff}
.cta-inner > p{color:rgba(255,255,255,.7);font-size:16px;margin-bottom:32px}
.mini-form{display:grid;grid-template-columns:1fr 1fr auto;gap:16px;align-items:end}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:13px;color:rgba(255,255,255,.72);font-weight:600}
.field input{
  height:46px;padding:0 14px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.16);color:#fff;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field input::placeholder{color:rgba(255,255,255,.35)}
.field input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(18,226,155,.22)}
.form-note{margin:18px 0 0;font-size:13px;color:rgba(255,255,255,.5)}
.form-note.ok{color:var(--c-primary)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);position:relative;padding:72px 0 0}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,var(--c-primary),var(--c-accent))}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);margin:0;max-width:44ch}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:18px;letter-spacing:.02em}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.62);transition:color .18s ease}
.footer-col a:hover{color:var(--c-primary)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  border-top:1px solid var(--c-border-dark);padding:22px 0 28px;font-size:13px;color:rgba(255,255,255,.48);
}
.to-top{
  background:transparent;border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.72);
  height:38px;padding:0 16px;border-radius:999px;cursor:pointer;font-size:13px;
  transition:border-color .18s ease,color .18s ease;
}
.to-top:hover{border-color:var(--c-primary);color:var(--c-primary)}

@media (max-width:1023px){
  .container{padding:0 20px}
  .nav-toggle{display:block}
  .nav-menu{
    position:fixed;left:0;right:0;top:64px;bottom:0;z-index:70;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--c-ink);padding:12px 20px 48px;overflow-y:auto;
    transform:translateY(-10px);opacity:0;visibility:hidden;
    transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
    border-top:1px solid var(--c-border-dark);
  }
  .nav-menu.is-open{transform:none;opacity:1;visibility:visible}
  .nav-menu a{padding:16px 4px;font-size:16px;border-radius:0;border-bottom:1px solid var(--c-border-dark);color:rgba(255,255,255,.8)}
  .nav-menu a.active::after{left:0;right:auto;top:50%;bottom:auto;width:3px;height:20px;transform:translateY(-50%);box-shadow:0 0 10px var(--glow)}
  .nav-menu a.active{padding-left:14px}
  .nav-cta{display:none}
  .nav-cta-mobile{display:flex;justify-content:center;margin-top:22px;height:48px;border-bottom:0;border-radius:var(--r-btn);background:var(--c-primary);color:#04140D;font-weight:700}
  .nav-cta-mobile:hover{color:#04140D;background:#25EEAC}
  .article-card{padding:36px 28px 40px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .mini-form{grid-template-columns:1fr;gap:14px}
  .mini-form .btn{width:100%}
  .section{padding:64px 0}
}
@media (max-width:767px){
  body{font-size:16px}
  .brand__sub{display:none}
  .breadcrumb{padding:14px 0}
  .breadcrumb .current{white-space:normal;max-width:100%}
  .article-shell{padding:24px 0 56px}
  .article-card{padding:28px 20px 32px;border-radius:12px}
  .article-head h1{font-size:28px;margin:14px 0 16px}
  .cms-content h2{font-size:22px;margin:36px 0 14px}
  .cms-content h3{font-size:18px;margin:28px 0 10px}
  .cms-content{font-size:16px}
  .card-grid{grid-template-columns:1fr}
  .section-head h2{font-size:22px}
  .cta-inner{padding:56px 0}
  .cta-inner h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px}
  .site-footer{padding-top:52px}
  .btn{height:48px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --c-primary:#12E29B;
  --c-primary-600:#0BB57C;
  --c-accent:#FF6A2C;
  --c-magenta:#FF3D7F;
  --c-ink:#0A0D0C;
  --c-ink-2:#121816;
  --c-paper:#F4F6F4;
  --c-card:#FFFFFF;
  --c-text:#1A1F1D;
  --c-muted:#5C6663;
  --c-line:#E4E9E6;
  --c-line-dark:rgba(255,255,255,.08);
  --c-glow:rgba(18,226,155,.35);
  --c-warn:#FF5A5A;
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(10,15,13,.06),0 12px 28px -16px rgba(10,15,13,.18);
  --sh-card-hover:0 2px 4px rgba(10,15,13,.08),0 18px 36px -18px rgba(10,15,13,.26);
  --sp-section:88px;
  --sp-section-m:56px;
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-paper);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,opacity .2s ease}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--c-primary);
  outline-offset:3px;
  border-radius:6px;
}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.3}
h2{font-size:28px;margin:0 0 16px}
h3{font-size:20px;margin:0 0 12px}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul,ol{margin:0 0 1.2em;padding-left:1.3em}
li{margin-bottom:.4em}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (max-width:1279px){.container{max-width:960px}}
@media (max-width:1023px){.container{max-width:720px}}
@media (max-width:767px){.container{max-width:none;padding:0 20px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:var(--c-ink);
  border-top:1px solid transparent;
  transition:background .2s ease,box-shadow .2s ease,backdrop-filter .2s ease;
}
.site-header::before{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent) 70%,transparent);
}
.site-header.is-scrolled{
  background:rgba(10,13,12,.92);
  backdrop-filter:blur(8px);
  box-shadow:0 8px 24px -16px rgba(0,0,0,.9);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:20px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand__mark{
  width:38px;height:38px;border-radius:9px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-600));
  color:#05100c;font-weight:800;font-size:14px;letter-spacing:.02em;
  box-shadow:0 0 0 1px rgba(18,226,155,.28),0 0 18px -6px var(--c-glow);
}
.brand__text{display:flex;flex-direction:column;line-height:1.16}
.brand__name{color:#fff;font-size:16px;font-weight:700;letter-spacing:-.01em}
.brand__sub{color:rgba(255,255,255,.5);font-size:12px;letter-spacing:.02em}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-menu a{
  position:relative;
  color:rgba(255,255,255,.72);
  font-size:15px;font-weight:500;
  padding:10px 14px;border-radius:8px;
  transition:color .2s ease,background .2s ease;
}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-menu a.active{color:var(--c-primary)}
.nav-menu a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--c-primary);
  box-shadow:0 0 10px var(--c-glow);
}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:10px 20px;border-radius:var(--r-btn);
  background:var(--c-primary);color:#05100c;
  font-size:15px;font-weight:700;white-space:nowrap;
  transition:background .2s ease,box-shadow .2s ease,transform .2s ease;
}
.nav-cta:hover{background:#2bf0ab;box-shadow:0 0 0 4px rgba(18,226,155,.18);transform:translateY(-1px)}
.nav-cta:active{transform:translateY(1px)}
.nav-cta-mobile{display:none}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid rgba(255,255,255,.14);
  border-radius:10px;background:transparent;cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;background:#fff;border-radius:2px;transition:background .2s ease}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px;transition:transform .2s ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}
@media (max-width:1023px){
  .nav-wrap{height:56px}
  .brand__mark{width:34px;height:34px;font-size:13px}
  .brand__name{font-size:15px}
  .brand__sub{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-menu{
    position:fixed;left:0;right:0;top:57px;bottom:0;
    margin:0;flex-direction:column;align-items:stretch;gap:0;
    padding:16px 24px 32px;
    background:rgba(10,13,12,.98);
    border-top:1px solid var(--c-line-dark);
    overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .22s ease,transform .22s ease,visibility .22s ease;
  }
  .nav-menu.is-open{opacity:1;visibility:visible;transform:none}
  .nav-menu a{
    display:block;padding:16px 0;font-size:17px;
    border-bottom:1px solid var(--c-line-dark);border-radius:0;
  }
  .nav-menu a.active::after{display:none}
  .nav-menu a.active{
    color:var(--c-primary);padding-left:14px;
    border-left:3px solid var(--c-primary);
    box-shadow:inset 0 0 24px -18px var(--c-glow);
  }
  .nav-menu a:hover{background:transparent;color:#fff}
  .nav-cta-mobile{
    display:inline-flex;margin-top:24px;justify-content:center;
    background:var(--c-primary);color:#05100c;font-weight:700;
    border-bottom:0;padding:14px 20px;border-radius:var(--r-btn);
  }
}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--c-ink);color:#fff;
  padding:56px 0 72px;
}
.page-hero__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.26;
}
.page-hero__veil{
  position:absolute;inset:0;
  background:
    radial-gradient(900px 420px at 12% 8%,rgba(18,226,155,.20),transparent 62%),
    radial-gradient(700px 380px at 88% 96%,rgba(255,106,44,.16),transparent 60%),
    linear-gradient(180deg,rgba(10,13,12,.78),rgba(10,13,12,.94));
}
.page-hero__grid{
  position:absolute;inset:0;opacity:.05;
  background-image:linear-gradient(rgba(255,255,255,.9) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:56px 56px;
}
.page-hero .container{position:relative;z-index:2}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.55);margin-bottom:22px;
}
.crumbs a:hover{color:var(--c-primary)}
.crumbs span.sep{color:rgba(255,255,255,.3)}
.crumbs .now{color:var(--c-primary)}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(18,226,155,.12);
  border:1px solid rgba(18,226,155,.34);
  color:var(--c-primary);font-size:12px;letter-spacing:.02em;
  margin-bottom:18px;
}
.hero-badge i{width:6px;height:6px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 10px var(--c-glow);display:block}
.page-hero h1{
  font-size:42px;line-height:1.25;letter-spacing:-.01em;
  max-width:900px;margin-bottom:18px;
}
.page-hero h1 em{font-style:normal;color:var(--c-primary)}
.page-hero__lead{
  max-width:760px;color:rgba(255,255,255,.78);
  font-size:17px;line-height:1.8;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-tags span{
  padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.04);
  font-size:12.5px;color:rgba(255,255,255,.8);
}
.neon-line{height:1px;background:linear-gradient(90deg,var(--c-primary),var(--c-accent) 65%,transparent)}

/* ---------- sections ---------- */
.section{padding:var(--sp-section) 0}
.section--tight{padding:64px 0}
.section--white{background:#fff}
.section-head{max-width:760px;margin-bottom:44px}
.section-head .eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.14em;
  color:var(--c-primary-600);font-weight:700;margin-bottom:12px;text-transform:uppercase;
}
.section-head h2{font-size:28px}
.section-head p{color:var(--c-muted);margin-top:14px}
.section-head--row{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-primary-600);font-weight:600;font-size:15px;
}
.link-more::after{content:"→";transition:transform .2s ease;display:inline-block}
.link-more:hover::after{transform:translateX(3px)}
.link-more:hover{color:var(--c-primary)}

/* ---------- matrix cards ---------- */
.matrix{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.m-card{
  position:relative;background:var(--c-card);
  border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px 26px;box-shadow:var(--sh-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.m-card:hover{transform:translateY(-2px);box-shadow:var(--sh-card-hover);border-color:rgba(18,226,155,.4)}
.m-card__idx{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:10px;
  background:rgba(18,226,155,.12);
  border:1px solid rgba(18,226,155,.3);
  color:var(--c-primary-600);font-weight:800;font-size:15px;
  font-variant-numeric:tabular-nums;margin-bottom:18px;
}
.m-card h3{font-size:19px;margin-bottom:10px}
.m-card p{color:var(--c-muted);font-size:15.5px;line-height:1.75;margin-bottom:14px}
.m-card ul{padding-left:0;list-style:none;margin:0}
.m-card ul li{
  position:relative;padding-left:20px;font-size:14.5px;color:var(--c-text);margin-bottom:6px;line-height:1.7;
}
.m-card ul li::before{
  content:"";position:absolute;left:2px;top:11px;
  width:6px;height:6px;border-radius:50%;
  background:var(--c-accent);
}
.m-card--wide{grid-column:span 3}
@media (max-width:1023px){
  .matrix{grid-template-columns:repeat(2,1fr);gap:20px}
  .m-card--wide{grid-column:span 2}
}
@media (max-width:767px){
  .matrix{grid-template-columns:1fr;gap:16px}
  .m-card--wide{grid-column:span 1}
  .m-card{padding:24px 20px}
}

/* ---------- compare table ---------- */
.table-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);overflow:hidden;
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.compare{width:100%;border-collapse:collapse;min-width:720px}
table.compare th,table.compare td{
  padding:18px 22px;text-align:left;font-size:15px;
  border-bottom:1px solid var(--c-line);vertical-align:top;
}
table.compare thead th{
  background:var(--c-ink);color:#fff;font-weight:600;font-size:14.5px;
  letter-spacing:.01em;border-bottom:0;white-space:nowrap;
}
table.compare thead th:first-child{color:rgba(255,255,255,.6);font-weight:500}
table.compare tbody tr:last-child td{border-bottom:0}
table.compare tbody tr:nth-child(even){background:#FAFBF9}
table.compare tbody tr:hover{background:#F2FBF7}
table.compare td:first-child{color:var(--c-muted);font-weight:600;white-space:nowrap;width:180px}
table.compare td strong{color:var(--c-text)}
.pill{
  display:inline-block;padding:3px 10px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.02em;line-height:1.7;
}
.pill--green{background:rgba(18,226,155,.14);color:var(--c-primary-600)}
.pill--orange{background:rgba(255,106,44,.14);color:#D9531A}
.pill--gray{background:#EDF1EE;color:var(--c-muted)}
.table-note{
  padding:14px 22px;font-size:13.5px;color:var(--c-muted);
  background:#FAFBF9;border-top:1px solid var(--c-line);
}

/* ---------- split ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split__media{position:relative}
.split__media img{
  width:100%;height:auto;box-shadow:var(--sh-card);
  border:1px solid rgba(255,255,255,.6);
}
.split__tag{
  position:absolute;left:18px;bottom:18px;
  background:rgba(10,13,12,.86);color:#fff;
  border:1px solid rgba(18,226,155,.4);
  border-radius:var(--r-pill);padding:7px 16px;font-size:12.5px;
  backdrop-filter:blur(6px);
}
.check-list{list-style:none;padding:0;margin:0 0 26px}
.check-list li{
  position:relative;padding-left:32px;margin-bottom:14px;
  font-size:15.5px;color:var(--c-text);line-height:1.75;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:5px;
  width:20px;height:20px;border-radius:6px;
  background:rgba(18,226,155,.14);
  border:1px solid rgba(18,226,155,.4);
}
.check-list li::after{
  content:"";position:absolute;left:6px;top:11px;
  width:8px;height:5px;border-left:2px solid var(--c-primary-600);
  border-bottom:2px solid var(--c-primary-600);transform:rotate(-45deg);
}
.stats{display:flex;gap:36px;flex-wrap:wrap;margin-top:8px}
.stat{display:flex;flex-direction:column}
.stat b{font-size:32px;line-height:1.15;color:var(--c-primary-600);font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stat span{font-size:13px;color:var(--c-muted);margin-top:4px}
@media (max-width:1023px){
  .split{grid-template-columns:1fr;gap:32px}
  .split--reverse .split__media{order:-1}
}

/* ---------- faq ---------- */
.faq-wrap{display:grid;grid-template-columns:280px 1fr;gap:56px;align-items:start}
.faq-side{position:sticky;top:96px}
.faq-side h2{font-size:24px;margin-bottom:12px}
.faq-side p{color:var(--c-muted);font-size:14.5px}
.faq-list{border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item summary{
  position:relative;list-style:none;cursor:pointer;
  padding:22px 48px 22px 0;
  font-size:17px;font-weight:600;color:var(--c-text);
  transition:color .2s ease,padding-left .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:6px;top:30px;
  width:10px;height:10px;border-right:2px solid var(--c-muted);border-bottom:2px solid var(--c-muted);
  transform:rotate(45deg);transition:transform .22s ease,border-color .22s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg);border-color:var(--c-primary-600)}
.faq-item summary:hover{color:var(--c-primary-600)}
.faq-item[open] summary{
  color:var(--c-primary-600);padding-left:18px;
}
.faq-item[open] summary::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;border-radius:3px;
  background:var(--c-primary);box-shadow:0 0 12px var(--c-glow);
}
.faq-answer{padding:0 48px 24px 0;color:var(--c-muted);font-size:15.5px;line-height:1.85}
.faq-item[open] .faq-answer{padding-left:18px}
.faq-answer a{color:var(--c-primary-600);border-bottom:1px solid rgba(18,226,155,.45)}
.faq-answer a:hover{color:var(--c-primary)}
@media (max-width:1023px){
  .faq-wrap{grid-template-columns:1fr;gap:24px}
  .faq-side{position:static}
}

/* ---------- related ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.r-card{
  display:flex;flex-direction:column;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.r-card:hover{transform:translateY(-2px);box-shadow:var(--sh-card-hover);border-color:rgba(18,226,155,.4)}
.r-card__media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E9EEEA}
.r-card__media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .3s ease}
.r-card:hover .r-card__media img{transform:scale(1.03)}
.r-card__body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.r-card__body h3{font-size:18px;margin-bottom:10px}
.r-card__body p{color:var(--c-muted);font-size:14.8px;line-height:1.75;flex:1;margin-bottom:16px}
.r-card__link{color:var(--c-primary-600);font-weight:600;font-size:14.5px;display:inline-flex;align-items:center;gap:6px}
.r-card__link::after{content:"→";transition:transform .2s ease}
.r-card:hover .r-card__link::after{transform:translateX(3px)}
@media (max-width:1023px){.related-grid{grid-template-columns:repeat(2,1fr);gap:20px}}
@media (max-width:767px){.related-grid{grid-template-columns:1fr;gap:16px}}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--c-ink-2);color:#fff;
  border-top:1px solid transparent;border-bottom:1px solid transparent;
}
.cta-band::before,.cta-band::after{
  content:"";position:absolute;left:0;right:0;height:1px;
}
.cta-band::before{top:0;background:linear-gradient(90deg,transparent,var(--c-primary),var(--c-accent),transparent)}
.cta-band::after{bottom:0;background:linear-gradient(90deg,transparent,var(--c-accent),var(--c-primary),transparent)}
.cta-band__glow{
  position:absolute;inset:0;
  background:
    radial-gradient(720px 320px at 20% 0%,rgba(18,226,155,.19),transparent 62%),
    radial-gradient(620px 300px at 85% 100%,rgba(255,106,44,.15),transparent 60%);
}
.cta-inner{position:relative;z-index:2;padding:80px 0}
.cta-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.cta-copy h2{font-size:30px;margin-bottom:16px}
.cta-copy p{color:rgba(255,255,255,.75);max-width:520px}
.cta-points{list-style:none;padding:0;margin:26px 0 0;display:flex;flex-wrap:wrap;gap:12px}
.cta-points li{
  padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.04);
  font-size:12.5px;color:rgba(255,255,255,.82);margin:0;
}
.form-card{
  background:rgba(255,255,255,.045);
  border:1px solid var(--c-line-dark);
  border-radius:var(--r-card);padding:30px;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.03),0 24px 48px -32px rgba(0,0,0,.9);
}
.form-card h3{font-size:19px;margin-bottom:6px;color:#fff}
.form-card .form-sub{font-size:13.5px;color:rgba(255,255,255,.6);margin-bottom:22px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;color:rgba(255,255,255,.78);margin-bottom:8px;font-weight:500}
.field input,.field textarea{
  width:100%;min-height:44px;padding:11px 14px;
  font-family:inherit;font-size:15px;color:#fff;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-btn);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.36)}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);
  background:rgba(255,255,255,.09);
  box-shadow:0 0 0 3px rgba(18,226,155,.2);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:12px 26px;border:1px solid transparent;
  border-radius:var(--r-btn);font-family:inherit;font-size:15px;font-weight:700;
  cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.btn--primary{background:var(--c-primary);color:#05100c}
.btn--primary:hover{background:#2bf0ab;box-shadow:0 0 0 4px rgba(18,226,155,.18);transform:translateY(-1px)}
.btn--primary:active{transform:translateY(1px)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.24)}
.btn--ghost:hover{border-color:var(--c-primary);color:var(--c-primary)}
.btn--block{width:100%}
.form-hint{font-size:12.5px;color:rgba(255,255,255,.5);margin-top:14px;line-height:1.7}
.form-success{
  display:none;margin-top:16px;padding:12px 16px;border-radius:var(--r-btn);
  background:rgba(18,226,155,.12);border:1px solid rgba(18,226,155,.36);
  color:var(--c-primary);font-size:14px;
}
.form-success.is-visible{display:block}
@media (max-width:1023px){
  .cta-grid{grid-template-columns:1fr;gap:36px}
  .cta-inner{padding:64px 0}
  .cta-copy h2{font-size:25px}
}

/* ---------- footer ---------- */
.site-footer{
  position:relative;background:var(--c-ink);color:rgba(255,255,255,.72);
  padding:72px 0 0;font-size:14.5px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--c-primary),var(--c-accent),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .brand__name{font-size:16px}
.footer-grid p{color:rgba(255,255,255,.55);font-size:14px;line-height:1.85;max-width:340px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:10px}
.footer-col a{color:rgba(255,255,255,.6);font-size:14px}
.footer-col a:hover{color:var(--c-primary)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 28px;border-top:1px solid var(--c-line-dark);
  font-size:13px;color:rgba(255,255,255,.48);
}
.to-top{
  min-height:40px;padding:8px 18px;border-radius:var(--r-pill);
  background:transparent;border:1px solid rgba(255,255,255,.2);
  color:rgba(255,255,255,.75);font-family:inherit;font-size:13px;cursor:pointer;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.to-top:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(18,226,155,.08)}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:640px){
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding-top:56px}
}

/* ---------- responsive type ---------- */
@media (max-width:1023px){
  :root{--sp-section:72px}
  .page-hero h1{font-size:34px}
  h2{font-size:24px}
  .section-head h2{font-size:24px}
}
@media (max-width:767px){
  :root{--sp-section:var(--sp-section-m)}
  body{font-size:16px}
  .page-hero{padding:40px 0 56px}
  .page-hero h1{font-size:28px}
  .page-hero__lead{font-size:15.5px}
  h2{font-size:22px}
  h3{font-size:18px}
  .section-head{margin-bottom:32px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --c-primary:#12E29B;
  --c-primary-600:#0BB57C;
  --c-accent:#FF6A2C;
  --c-magenta:#FF3D7F;
  --c-ink:#0A0D0C;
  --c-ink-2:#121816;
  --c-paper:#F4F6F4;
  --c-card:#FFFFFF;
  --c-text:#1A1F1D;
  --c-muted:#5C6663;
  --c-line:#E4E9E6;
  --c-line-dark:rgba(255,255,255,.08);
  --c-line-dark-2:rgba(255,255,255,.16);
  --glow:rgba(18,226,155,.35);
  --glow-soft:rgba(18,226,155,.18);
  --danger:#FF5A5A;
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-card:0 1px 2px rgba(10,15,13,.06),0 12px 28px -16px rgba(10,15,13,.18);
  --sh-card-hover:0 2px 4px rgba(10,15,13,.08),0 20px 40px -20px rgba(10,15,13,.28);
  --t:200ms ease;
  --pad-section:88px;
  --nav-h:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-paper);
  color:var(--c-text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:17px;
  line-height:1.8;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:inherit;text-decoration:none;transition:color var(--t),border-color var(--t),background-color var(--t),opacity var(--t);}
a:hover{color:var(--c-primary-600);}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-0.01em;line-height:1.35;}
h2{margin-top:48px;margin-bottom:16px;font-size:28px;}
h3{margin-top:32px;margin-bottom:12px;font-size:20px;}
p{margin:0 0 1.5em;}
ul,ol{margin:0 0 1.5em;padding-left:1.25em;}
li{margin-bottom:.5em;}
.num{font-variant-numeric:tabular-nums;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:3px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.narrow{max-width:760px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,13,12,.94);
  border-bottom:1px solid var(--c-line-dark);
  transition:background-color var(--t),backdrop-filter var(--t),box-shadow var(--t);
}
.site-header::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
}
.site-header.is-scrolled{
  background:rgba(6,8,7,.98);
  backdrop-filter:blur(8px);
  box-shadow:0 10px 30px -22px rgba(0,0,0,.9);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:var(--nav-h);}
.brand{display:inline-flex;align-items:center;gap:10px;color:#fff;}
.brand:hover{color:#fff;}
.brand__mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;flex:0 0 38px;border-radius:11px;
  background:linear-gradient(140deg,var(--c-primary),#0AA572);
  color:#05130E;font-size:13px;font-weight:800;letter-spacing:.04em;
  box-shadow:0 0 0 1px rgba(18,226,155,.35),0 8px 20px -12px var(--glow);
}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__name{font-size:16px;font-weight:700;letter-spacing:-0.01em;}
.brand__sub{font-size:12px;color:rgba(255,255,255,.55);letter-spacing:.02em;}

.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-menu a{
  position:relative;display:inline-block;
  padding:8px 12px;border-radius:8px;
  font-size:15px;color:rgba(255,255,255,.72);
}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.06);}
.nav-menu a.active{color:var(--c-primary);}
.nav-menu a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--c-primary);box-shadow:0 0 10px 1px var(--glow);
}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:40px;padding:0 18px;border-radius:var(--r-btn);
  background:var(--c-primary);color:#05130E;font-size:14px;font-weight:700;
  transition:background-color var(--t),box-shadow var(--t),transform var(--t);
}
.nav-cta:hover{background:#2BF0AC;color:#05130E;box-shadow:0 0 0 4px var(--glow-soft);}
.nav-cta:active{transform:translateY(1px);}
.nav-cta-mobile{display:none;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--c-line-dark-2);align-items:center;justify-content:center;
}
.nav-toggle span{position:relative;display:block;width:18px;height:2px;background:#fff;border-radius:2px;transition:transform var(--t);}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px;transition:transform var(--t),top var(--t);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
body.nav-open .nav-toggle span{background:transparent;}
body.nav-open .nav-toggle span::before{top:0;transform:rotate(45deg);}
body.nav-open .nav-toggle span::after{top:0;transform:rotate(-45deg);}

.neon-divider{height:1px;background:linear-gradient(90deg,var(--c-primary),var(--c-accent));opacity:.65;}

/* ---------- page head ---------- */
.page-head{
  position:relative;overflow:hidden;
  background:var(--c-ink);color:#fff;
  padding:56px 0 64px;
}
.page-head::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  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:44px 44px;
  mask-image:radial-gradient(circle at 20% 20%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 20% 20%,#000 0%,transparent 72%);
}
.page-head .container{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:22px;}
.crumb a{color:rgba(255,255,255,.75);}
.crumb a:hover{color:var(--c-primary);}
.crumb span.sep{color:rgba(255,255,255,.3);}
.page-head__grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.page-head h1{font-size:42px;color:#fff;}
.page-head h1 em{font-style:normal;color:var(--c-primary);}
.page-head__lead{margin-top:18px;font-size:17px;color:rgba(255,255,255,.72);max-width:620px;}
.page-head__tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:12px;letter-spacing:.02em;
  background:rgba(18,226,155,.12);color:var(--c-primary);
  border:1px solid rgba(18,226,155,.28);
}
.tag--accent{background:rgba(255,106,44,.12);color:#FF9A6B;border-color:rgba(255,106,44,.3);}
.tag--plain{background:rgba(255,255,255,.06);color:rgba(255,255,255,.8);border-color:var(--c-line-dark-2);}
.page-head__media{
  position:relative;border-radius:var(--r-img);overflow:hidden;
  border:1px solid var(--c-line-dark-2);
  box-shadow:0 0 0 1px rgba(18,226,155,.15),0 30px 60px -30px rgba(18,226,155,.5);
  height:230px;
}
.page-head__media img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.page-head__media .badge-float{
  position:absolute;left:16px;bottom:16px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(10,13,12,.78);border:1px solid rgba(18,226,155,.4);
  color:var(--c-primary);font-size:12px;letter-spacing:.02em;
  backdrop-filter:blur(6px);
}

/* ---------- sections ---------- */
.section{padding:var(--pad-section) 0;}
.section--tight{padding:64px 0;}
.section--dark{background:var(--c-ink-2);color:#fff;}
.section--dark h2{color:#fff;}
.section-head{margin-bottom:40px;max-width:760px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--c-primary-600);margin-bottom:12px;
}
.section-head .eyebrow::before{content:"";width:22px;height:2px;background:var(--c-primary);border-radius:2px;}
.section-head h2{margin-top:0;}
.section-head p{color:var(--c-muted);margin-bottom:0;}
.section--dark .section-head p{color:rgba(255,255,255,.66);}

/* quick index */
.quick-index{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.quick-index a{
  display:block;padding:20px;border-radius:var(--r-card);
  background:var(--c-card);border:1px solid var(--c-line);
  box-shadow:var(--sh-card);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.quick-index a:hover{transform:translateY(-2px);box-shadow:var(--sh-card-hover);border-color:rgba(18,226,155,.45);color:inherit;}
.quick-index .qi-num{font-size:12px;color:var(--c-accent);letter-spacing:.1em;font-variant-numeric:tabular-nums;}
.quick-index .qi-title{display:block;margin:8px 0 6px;font-size:17px;font-weight:700;}
.quick-index .qi-desc{font-size:14px;color:var(--c-muted);line-height:1.7;}

/* timeline */
.timeline{position:relative;margin-top:8px;}
.timeline::before{
  content:"";position:absolute;left:27px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,var(--c-primary),rgba(18,226,155,.08));
}
.tl-item{position:relative;display:grid;grid-template-columns:56px 1fr;gap:24px;padding:0 0 32px;}
.tl-item:last-child{padding-bottom:0;}
.tl-num{
  position:relative;z-index:2;width:56px;height:56px;border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-card);border:1px solid var(--c-line);
  box-shadow:var(--sh-card);
  font-size:20px;font-weight:800;color:var(--c-accent);font-variant-numeric:tabular-nums;
}
.tl-body{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px 24px;box-shadow:var(--sh-card);
  transition:border-color var(--t),box-shadow var(--t),transform var(--t);
}
.tl-body:hover{border-color:rgba(18,226,155,.45);box-shadow:var(--sh-card-hover);transform:translateY(-2px);}
.tl-body h3{margin:0 0 8px;font-size:19px;}
.tl-body p{margin:0;color:var(--c-muted);font-size:15px;}
.tl-body .tl-hint{
  display:inline-block;margin-top:12px;font-size:13px;color:var(--c-primary-600);
  border-left:2px solid var(--c-primary);padding-left:10px;
}

/* faq groups */
.faq-group{margin-bottom:40px;}
.faq-group__title{
  display:flex;align-items:center;gap:10px;
  font-size:20px;font-weight:700;margin-bottom:14px;
}
.faq-group__title .dot{width:8px;height:8px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 10px 1px var(--glow);}
.faq-list{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-card);overflow:hidden;}
.faq-item{border-bottom:1px solid var(--c-line);}
.faq-item:last-child{border-bottom:0;}
.faq-item summary{
  position:relative;display:flex;align-items:flex-start;gap:14px;
  padding:20px 56px 20px 24px;cursor:pointer;list-style:none;
  font-size:17px;font-weight:600;line-height:1.6;
  transition:background-color var(--t),color var(--t);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:#F8FAF9;color:var(--c-primary-600);}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:0 3px 3px 0;
  background:var(--c-primary);opacity:0;transition:opacity var(--t);
}
.faq-item summary::after{
  content:"";position:absolute;right:24px;top:26px;width:12px;height:12px;
  border-right:2px solid var(--c-muted);border-bottom:2px solid var(--c-muted);
  transform:rotate(45deg);transition:transform var(--t),border-color var(--t);
}
.faq-item[open] summary{color:var(--c-primary-600);}
.faq-item[open] summary::before{opacity:1;}
.faq-item[open] summary::after{transform:rotate(-135deg);border-color:var(--c-primary);}
.faq-body{padding:0 56px 22px 24px;color:var(--c-muted);font-size:15.5px;line-height:1.85;}
.faq-body p{margin:0 0 .9em;}
.faq-body p:last-child{margin-bottom:0;}

/* related entries */
.entry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.entry-card{
  display:grid;grid-template-columns:180px 1fr;gap:20px;align-items:center;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:18px;box-shadow:var(--sh-card);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--sh-card-hover);border-color:rgba(18,226,155,.45);color:inherit;}
.entry-card img{width:100%;height:120px;object-fit:cover;}
.entry-card h3{margin:10px 0 8px;font-size:18px;}
.entry-card p{margin:0;font-size:14px;color:var(--c-muted);}
.entry-card .more{display:inline-flex;align-items:center;gap:6px;margin-top:12px;font-size:14px;color:var(--c-primary-600);font-weight:600;}
.entry-card:hover .more span{transform:translateX(2px);}
.entry-card .more span{display:inline-block;transition:transform var(--t);}

/* CTA */
.cta-wrap{
  position:relative;background:var(--c-ink);color:#fff;overflow:hidden;
  border-top:1px solid transparent;
}
.cta-wrap::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
}
.cta-wrap::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,226,155,.22),transparent 68%);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start;}
.cta-inner h2{margin-top:0;color:#fff;font-size:30px;}
.cta-inner .cta-note{color:rgba(255,255,255,.68);font-size:15px;}
.cta-points{list-style:none;padding:0;margin:26px 0 0;}
.cta-points li{position:relative;padding-left:24px;color:rgba(255,255,255,.82);font-size:15px;margin-bottom:10px;}
.cta-points li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:2px;
  background:var(--c-primary);box-shadow:0 0 8px 1px var(--glow);
}
.form-card{
  background:rgba(255,255,255,.04);
  border:1px solid var(--c-line-dark-2);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}
.field{margin-bottom:18px;}
.field label{display:block;margin-bottom:8px;font-size:14px;color:rgba(255,255,255,.82);font-weight:600;}
.field input,.field textarea{
  width:100%;min-height:44px;padding:11px 14px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--c-line-dark-2);border-radius:var(--r-btn);
  color:#fff;font-size:15px;transition:border-color var(--t),box-shadow var(--t),background-color var(--t);
}
.field textarea{min-height:96px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.35);}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--c-primary);background:rgba(18,226,155,.06);
  box-shadow:0 0 0 3px var(--glow-soft);
}
.field .hint{display:block;margin-top:6px;font-size:12.5px;color:rgba(255,255,255,.45);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;
  transition:background-color var(--t),box-shadow var(--t),transform var(--t),border-color var(--t),color var(--t);
}
.btn-primary{background:var(--c-primary);color:#05130E;}
.btn-primary:hover{background:#2BF0AC;color:#05130E;box-shadow:0 0 0 4px var(--glow-soft);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.3);color:#fff;}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(18,226,155,.06);}
.btn-block{width:100%;}
.form-foot{margin-top:6px;font-size:12.5px;color:rgba(255,255,255,.45);}

/* footer */
.site-footer{position:relative;background:var(--c-ink);color:rgba(255,255,255,.72);padding:64px 0 0;}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand__name{color:#fff;font-size:16px;font-weight:700;}
.footer-brand .brand__sub{font-size:12px;color:rgba(255,255,255,.5);}
.site-footer p{font-size:14px;color:rgba(255,255,255,.6);line-height:1.8;margin:0;max-width:360px;}
.footer-col h4{margin:0 0 16px;font-size:14px;color:#fff;letter-spacing:.02em;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.62);}
.footer-col a:hover{color:var(--c-primary);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  padding:20px 0;border-top:1px solid var(--c-line-dark);
  font-size:13px;color:rgba(255,255,255,.5);
}
.to-top{
  padding:8px 16px;border-radius:var(--r-pill);
  border:1px solid var(--c-line-dark-2);color:rgba(255,255,255,.75);font-size:13px;
  transition:border-color var(--t),color var(--t),background-color var(--t);
}
.to-top:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(18,226,155,.07);}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .container{max-width:960px;}
}
@media (max-width:1023px){
  :root{--pad-section:64px;--nav-h:56px;}
  .container{max-width:720px;}
  .page-head{padding:36px 0 48px;}
  .page-head__grid{grid-template-columns:1fr;gap:28px;}
  .page-head h1{font-size:28px;}
  .page-head__media{height:200px;}
  .quick-index{grid-template-columns:repeat(2,1fr);}
  .entry-grid{grid-template-columns:1fr;}
  .cta-inner{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .nav-toggle{display:inline-flex;}
  .nav-cta{display:none;}
  .nav-cta-mobile{display:inline-flex;margin-top:12px;min-height:46px;}
  .nav-menu{
    position:fixed;left:0;right:0;top:var(--nav-h);bottom:0;
    flex-direction:column;align-items:stretch;gap:0;
    padding:12px 20px 40px;
    background:rgba(8,11,10,.99);
    border-top:1px solid var(--c-line-dark);
    overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity var(--t),transform var(--t),visibility var(--t);
    backdrop-filter:blur(10px);
  }
  .nav-menu.is-open{opacity:1;visibility:visible;transform:none;}
  .nav-menu a{padding:16px 4px 16px 14px;border-bottom:1px solid var(--c-line-dark);border-radius:0;font-size:16px;color:rgba(255,255,255,.82);}
  .nav-menu a.active{color:var(--c-primary);border-left:3px solid var(--c-primary);}
  .nav-menu a.active::after{display:none;}
  .nav-menu a:hover{background:rgba(255,255,255,.04);}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{max-width:100%;padding:0 20px;}
  h2{font-size:22px;margin-top:32px;}
  h3{font-size:18px;}
  .section{padding:56px 0;}
  .section--tight{padding:44px 0;}
  .quick-index{grid-template-columns:1fr;}
  .tl-item{grid-template-columns:44px 1fr;gap:16px;padding-bottom:24px;}
  .timeline::before{left:21px;}
  .tl-num{width:44px;height:44px;border-radius:12px;font-size:17px;}
  .tl-body{padding:18px;}
  .faq-item summary{padding:16px 48px 16px 18px;font-size:16px;}
  .faq-item summary::after{right:18px;top:22px;}
  .faq-body{padding:0 18px 18px 18px;font-size:15px;}
  .entry-card{grid-template-columns:1fr;}
  .entry-card img{height:170px;}
  .cta-inner h2{font-size:24px;}
  .form-card{padding:20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding-top:48px;}
  .page-head h1{font-size:26px;}
  .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}