/* roulang page: index */
:root{
  --brand:#5B2BD9;
  --brand-2:#8A4BFF;
  --lime:#B8F14A;
  --coral:#FF6B4A;
  --bg:#F6F5FB;
  --dark:#14102A;
  --text:#1C1830;
  --muted:#6A6484;
  --line:rgba(28,24,48,.08);
  --white:#ffffff;
  --r-lg:20px;
  --r-md:12px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(20,16,42,.06);
  --sh-2:0 16px 40px rgba(20,16,42,.12);
  --sh-nav:0 10px 30px rgba(20,16,42,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sec:96px;
  --gutter:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
  font-family:inherit;
  color:var(--text);
  margin:0 0 .6em;
  line-height:1.32;
  letter-spacing:-.01em;
  font-weight:800;
}
p{font-family:inherit;margin:0 0 1.2em;line-height:1.8;}
a{color:var(--brand);text-decoration:none;transition:color 240ms var(--ease),border-color 240ms var(--ease);}
a:hover{color:var(--brand-2);}
img{max-width:100%;display:block;border-radius:inherit;}
ul{margin:0 0 1.2em;padding-left:1.2em;}
li{margin-bottom:.4em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--gutter);}
.container-narrow{max-width:800px;}
.section{padding:var(--sec) 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:clamp(24px,3vw,32px);margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16px;margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--brand);text-transform:uppercase;
  background:rgba(91,43,217,.08);
  border:1px solid rgba(91,43,217,.16);
  border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:18px;
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:12px;z-index:80;
  padding:0 18px;
}
.nav-pill{
  max-width:1080px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  padding:10px 12px 10px 20px;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
  transition:box-shadow 240ms var(--ease),padding 240ms var(--ease),background 240ms var(--ease);
}
.site-header.is-scrolled .nav-pill{box-shadow:var(--sh-nav);padding-top:7px;padding-bottom:7px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:15px;font-weight:800;
  box-shadow:0 6px 16px rgba(91,43,217,.32);
}
.brand-text{font-size:17px;font-weight:800;color:var(--text);letter-spacing:-.02em;white-space:nowrap;}
.brand-text span{color:var(--brand);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-link{
  font-size:15px;font-weight:600;color:var(--muted);
  padding:9px 16px;border-radius:var(--r-pill);
  transition:color 240ms var(--ease),background 240ms var(--ease);
  white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(91,43,217,.07);}
.nav-link.is-active{color:var(--brand);background:rgba(91,43,217,.10);}
.nav-cta{
  margin-left:10px;flex:0 0 auto;
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 8px 20px rgba(91,43,217,.28);
  transition:transform 240ms var(--ease),box-shadow 240ms var(--ease),background 240ms var(--ease);
}
.nav-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(91,43,217,.36);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--text);
  align-items:center;justify-content:center;font-size:17px;cursor:pointer;margin-left:auto;
}
.nav-drawer{
  display:none;max-width:1080px;margin:10px auto 0;
  background:rgba(255,255,255,.97);border:1px solid var(--line);
  border-radius:24px;box-shadow:var(--sh-nav);padding:14px;
}
.nav-drawer.is-open{display:block;}
.nav-drawer a{
  display:block;padding:14px 16px;border-radius:14px;
  font-size:18px;font-weight:600;color:var(--text);
}
.nav-drawer a:hover{background:rgba(91,43,217,.07);color:var(--brand);}
.nav-drawer a.is-active{background:rgba(91,43,217,.10);color:var(--brand);}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:72px 0 88px;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(560px 420px at 12% 8%,rgba(91,43,217,.14),transparent 68%),
    radial-gradient(520px 380px at 88% 18%,rgba(184,241,74,.12),transparent 70%);
}
.hero .container{position:relative;z-index:1;}
.hero h1{
  font-size:clamp(32px,4.6vw,52px);
  font-weight:800;line-height:1.22;margin-bottom:18px;
}
.hero h1 em{font-style:normal;background:linear-gradient(135deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{font-size:18px;color:var(--muted);max-width:520px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-pill);
  font-size:16px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform 240ms var(--ease),box-shadow 240ms var(--ease),background 240ms var(--ease),color 240ms var(--ease),border-color 240ms var(--ease);
}
.btn-primary{
  color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 10px 24px rgba(91,43,217,.28);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(91,43,217,.36);}
.btn-ghost{
  color:var(--text);background:#fff;border-color:var(--line);
  box-shadow:var(--sh-1);
}
.btn-ghost:hover{color:var(--brand);transform:translateY(-2px);border-color:rgba(91,43,217,.32);box-shadow:var(--sh-2);}
.btn-block{width:100%;}
.hero-metrics{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--muted);margin:0;
}
.hero-metrics span.dot{width:4px;height:4px;border-radius:50%;background:rgba(28,24,48,.2);display:inline-block;}
.hero-media{
  position:relative;border-radius:24px;overflow:hidden;
  box-shadow:var(--sh-2);aspect-ratio:16/11;background:var(--dark);
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{content:"";position:absolute;inset:0;background:rgba(20,16,42,.08);}
.hero-float{
  position:absolute;left:20px;bottom:20px;z-index:2;
  background:rgba(20,16,42,.78);backdrop-filter:blur(8px);
  border:1px solid rgba(184,241,74,.36);
  border-radius:16px;padding:12px 16px;color:#fff;
}
.hero-float b{display:block;font-size:20px;font-weight:800;background:linear-gradient(135deg,#fff,var(--lime));-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-float small{font-size:12px;color:rgba(255,255,255,.72);}

/* ---------- 能力区 ---------- */
.ability-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--sh-1);height:100%;
  transition:transform 240ms var(--ease),box-shadow 240ms var(--ease);
  display:flex;flex-direction:column;
}
.ability-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.ability-card.large{flex-direction:row;gap:28px;align-items:center;}
.ability-card.large .ability-body{flex:1;}
.ability-card .thumb{border-radius:16px;overflow:hidden;flex:0 0 42%;aspect-ratio:4/3;}
.ability-card .thumb img{width:100%;height:100%;object-fit:cover;}
.icon-badge{
  width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:19px;color:#fff;background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 8px 18px rgba(91,43,217,.24);margin-bottom:18px;
}
.ability-card h3{font-size:20px;margin-bottom:10px;}
.ability-card p{color:var(--muted);font-size:15px;margin-bottom:16px;}
.text-link{font-weight:700;font-size:15px;display:inline-flex;align-items:center;gap:6px;}
.text-link:hover{text-decoration:underline;color:var(--coral);}
.offset-down{margin-top:32px;}

/* ---------- 数据区 ---------- */
.stats-band{
  background:var(--dark);color:#fff;position:relative;overflow:hidden;
  padding:80px 0;
}
.stats-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 320px at 80% 0%,rgba(138,75,255,.28),transparent 70%);
}
.stats-band .container{position:relative;z-index:1;}
.stats-band h2{color:#fff;}
.stats-band .section-head p{color:#B9B3CE;}
.stat-card{
  border-radius:var(--r-lg);
  border:1px solid rgba(184,241,74,.28);
  background:rgba(255,255,255,.04);
  padding:26px 24px;height:100%;
  transition:transform 240ms var(--ease),border-color 240ms var(--ease);
}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(184,241,74,.55);}
.stat-num{
  font-size:40px;font-weight:800;line-height:1.1;
  background:linear-gradient(135deg,#ffffff 10%,var(--brand-2) 90%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-num small{font-size:16px;font-weight:700;color:var(--lime);-webkit-text-fill-color:var(--lime);margin-left:4px;}
.stat-card p{color:#B9B3CE;font-size:14px;margin:8px 0 0;}

/* ---------- 案例 ---------- */
.case-media{border-radius:20px;overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:16/10;}
.case-media img{width:100%;height:100%;object-fit:cover;}
.case-body h3{font-size:24px;margin-bottom:14px;}
.case-body p{color:var(--muted);}
.case-result{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(184,241,74,.18);border:1px solid rgba(140,190,40,.32);
  color:#3F5A0C;font-size:14px;font-weight:700;
  border-radius:var(--r-pill);padding:8px 16px;margin-top:6px;
}
.tag{
  display:inline-flex;align-items:center;
  font-size:12px;font-weight:700;letter-spacing:.04em;
  color:var(--brand);background:rgba(91,43,217,.09);
  border-radius:var(--r-pill);padding:5px 12px;margin-bottom:14px;
}
.tag-lime{color:#3F5A0C;background:rgba(184,241,74,.24);}
.tag-coral{color:#B23A1F;background:rgba(255,107,74,.14);}

/* ---------- 流程 ---------- */
.step-item{display:flex;gap:22px;position:relative;padding-bottom:36px;}
.step-item:last-child{padding-bottom:0;}
.step-item::before{
  content:"";position:absolute;left:23px;top:52px;bottom:0;width:2px;
  background:linear-gradient(180deg,rgba(91,43,217,.28),rgba(91,43,217,.04));
}
.step-item:last-child::before{display:none;}
.step-num{
  flex:0 0 48px;width:48px;height:48px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:17px;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 8px 18px rgba(91,43,217,.26);
}
.step-body h3{font-size:20px;margin-bottom:8px;}
.step-body p{color:var(--muted);font-size:15px;margin:0;}
.consult-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--sh-1);
}
.consult-card h3{font-size:20px;margin-bottom:12px;}
.consult-card ul{list-style:none;padding:0;margin:0 0 20px;}
.consult-card li{display:flex;gap:10px;font-size:15px;color:var(--muted);margin-bottom:10px;}
.consult-card li i{color:var(--brand);margin-top:5px;}
.sticky-large{position:sticky;top:100px;}

/* ---------- 列表卡 ---------- */
.post-grid{display:flex;flex-wrap:wrap;margin:0 -14px;}
.post-col{width:33.3333%;padding:0 14px 28px;}
.post-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);color:var(--text);
  transition:transform 240ms var(--ease),box-shadow 240ms var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);color:var(--text);}
.post-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg);}
.post-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform 400ms var(--ease);}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.post-body h3{font-size:17px;line-height:1.5;margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-body p{font-size:14px;color:var(--muted);margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{margin-top:auto;font-size:13px;color:var(--muted);display:flex;align-items:center;gap:10px;}
.empty-state{
  border:2px dashed rgba(91,43,217,.28);border-radius:var(--r-lg);
  padding:52px 24px;text-align:center;background:rgba(255,255,255,.6);
}
.empty-state i{font-size:30px;color:var(--brand);margin-bottom:14px;display:block;}
.empty-state p{color:var(--muted);margin-bottom:20px;}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  margin-bottom:14px;overflow:hidden;transition:box-shadow 240ms var(--ease);
}
.faq-item.is-open{box-shadow:var(--sh-1);}
.faq-q{
  width:100%;background:none;border:0;text-align:left;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:17px;font-weight:600;color:var(--text);
}
.faq-q i{color:var(--brand);transition:transform 200ms var(--ease);flex:0 0 auto;}
.faq-item.is-open .faq-q i{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height 320ms var(--ease);
  border-left:3px solid transparent;
}
.faq-item.is-open .faq-a{border-left-color:var(--brand);}
.faq-a p{padding:0 24px 22px;margin:0;font-size:15px;line-height:1.85;color:var(--muted);}

/* ---------- 联系 ---------- */
.contact-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--sh-1);height:100%;
}
.contact-card h3{font-size:20px;margin-bottom:20px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:8px;color:var(--text);}
.field label .req{color:var(--coral);}
.field input,.field select,.field textarea{
  width:100%;height:48px;border-radius:var(--r-md);
  border:1px solid var(--line);background:var(--bg);
  padding:0 16px;font-size:15px;color:var(--text);
  transition:border-color 240ms var(--ease),box-shadow 240ms var(--ease),background 240ms var(--ease);
}
.field textarea{height:120px;padding:14px 16px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 4px rgba(91,43,217,.12);
}
.form-note{font-size:13px;color:var(--muted);margin:14px 0 0;}
.form-msg{display:none;margin-top:14px;font-size:14px;font-weight:600;color:#3F5A0C;background:rgba(184,241,74,.22);border-radius:var(--r-md);padding:12px 16px;}
.info-item{display:flex;gap:16px;padding:20px 0;border-bottom:1px solid var(--line);}
.info-item:last-of-type{border-bottom:0;}
.info-icon{
  flex:0 0 44px;width:44px;height:44px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(91,43,217,.09);color:var(--brand);font-size:17px;
}
.info-item h4{font-size:16px;margin:0 0 4px;}
.info-item p{font-size:14px;color:var(--muted);margin:0;}
.contact-side{background:var(--dark);color:#fff;border-radius:var(--r-lg);padding:32px;box-shadow:var(--sh-2);border:1px solid rgba(184,241,74,.2);}
.contact-side h3{color:#fff;font-size:20px;}
.contact-side p{color:#B9B3CE;font-size:14px;}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  border-radius:24px;padding:52px 44px;color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  box-shadow:0 20px 48px rgba(91,43,217,.28);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:8px;}
.cta-band p{color:rgba(255,255,255,.82);margin:0;}
.btn-lime{background:var(--lime);color:#243B00;box-shadow:0 10px 24px rgba(0,0,0,.16);}
.btn-lime:hover{background:#C6F96A;color:#243B00;transform:translateY(-2px);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--dark);color:#B9B3CE;position:relative;
  margin-top:96px;padding:0 0 28px;
}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--brand),var(--brand-2),var(--lime));}
.footer-main{padding:64px 0 40px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{font-size:14px;color:#8F89A8;margin:16px 0 18px;max-width:320px;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;}
.footer-tags span{
  font-size:12px;color:#B9B3CE;border:1px solid rgba(185,179,206,.24);
  border-radius:var(--r-pill);padding:5px 12px;
}
.footer-col h4{color:#fff;font-size:15px;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:#B9B3CE;font-size:14px;}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:22px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  font-size:13px;color:#8F89A8;
}
.back-top{
  display:inline-flex;align-items:center;gap:8px;color:#B9B3CE;
  border:1px solid rgba(185,179,206,.24);border-radius:var(--r-pill);
  padding:8px 16px;font-size:13px;
}
.back-top:hover{color:#fff;border-color:rgba(255,255,255,.5);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  :root{--sec:72px;}
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .post-col{width:50%;}
  .sticky-large{position:static;}
  .hero{padding:48px 0 64px;}
  .hero-media{margin-top:36px;}
  .offset-down{margin-top:0;}
  .ability-card.large{flex-direction:column;align-items:flex-start;}
  .ability-card .thumb{flex:none;width:100%;aspect-ratio:16/9;}
  .case-media{margin-bottom:28px;}
}
@media screen and (max-width:639px){
  :root{--sec:56px;--gutter:18px;}
  .nav-pill{padding:8px 10px 8px 14px;gap:10px;}
  .brand-text{font-size:15px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .post-col{width:100%;}
  .cta-band{padding:34px 24px;border-radius:20px;}
  .cta-band .btn{width:100%;}
  .contact-card,.contact-side,.consult-card{padding:24px;}
  .stat-num{font-size:34px;}
  .stats-band{padding:56px 0;}
  .footer-main{padding:44px 0 28px;}
}

/* roulang page: category1 */
:root{
  --brand:#5B2BD9;
  --brand-2:#8A4BFF;
  --lime:#B8F14A;
  --coral:#FF6B4A;
  --bg:#F6F5FB;
  --dark:#14102A;
  --dark-2:#1D1740;
  --text:#1C1830;
  --muted:#6A6484;
  --line:rgba(28,24,48,.08);
  --line-strong:rgba(28,24,48,.14);
  --white:#FFFFFF;
  --radius-xl:24px;
  --radius-lg:20px;
  --radius-md:12px;
  --radius-pill:999px;
  --shadow-1:0 8px 24px rgba(20,16,42,.06);
  --shadow-2:0 16px 40px rgba(20,16,42,.12);
  --shadow-3:0 10px 30px rgba(20,16,42,.10);
  --ease:240ms cubic-bezier(.22,.61,.36,1);
  --maxw:1200px;
  --grad:linear-gradient(135deg,#5B2BD9 0%,#8A4BFF 100%);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease);}
a:hover{color:var(--brand);}
h1,h2,h3,h4,h5{margin:0 0 .6em;font-family:inherit;font-weight:800;color:var(--text);line-height:1.28;letter-spacing:-.01em;}
p{margin:0 0 1.2em;}
ul,ol{margin:0 0 1.2em;padding-left:1.1em;}
li{margin-bottom:.4em;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}
.row{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px;}
.columns{float:none;padding-left:12px;padding-right:12px;width:100%;}
.small-12{width:100%;}
.small-6{width:50%;}
@media (min-width:640px){
  .medium-4{width:33.3333%;}
  .medium-6{width:50%;}
  .medium-12{width:100%;}
}
@media (min-width:1024px){
  .large-2{width:16.6667%;}
  .large-3{width:25%;}
  .large-4{width:33.3333%;}
  .large-5{width:41.6667%;}
  .large-6{width:50%;}
  .large-7{width:58.3333%;}
  .large-8{width:66.6667%;}
  .large-12{width:100%;}
}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:sticky;top:0;z-index:90;padding:16px 0;transition:padding var(--ease);}
.site-header.is-scrolled{padding:10px 0;}
.nav-pill{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  max-width:1080px;margin:0 auto;padding:10px 12px 10px 16px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--line);border-radius:var(--radius-pill);
  box-shadow:0 4px 16px rgba(20,16,42,.05);
  transition:box-shadow var(--ease),background-color var(--ease);
}
.site-header.is-scrolled .nav-pill{box-shadow:var(--shadow-3);background:rgba(255,255,255,.94);}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:11px;
  background:var(--grad);color:#fff;display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:800;letter-spacing:0;box-shadow:0 6px 16px rgba(91,43,217,.28);
}
.brand-text{font-size:17px;white-space:nowrap;}
.brand-text span{font-weight:600;color:var(--brand);margin-left:3px;font-size:14px;}
.nav-links{display:flex;align-items:center;gap:2px;}
.nav-link{
  padding:8px 14px;border-radius:var(--radius-pill);font-size:15px;font-weight:500;color:var(--muted);
  white-space:nowrap;transition:background-color var(--ease),color var(--ease);
}
.nav-link:hover{background:rgba(91,43,217,.08);color:var(--brand);}
.nav-link.is-active{background:var(--grad);color:#fff;font-weight:600;box-shadow:0 6px 16px rgba(91,43,217,.22);}
.nav-link.is-active:hover{color:#fff;}
.nav-cta{
  display:inline-flex;align-items:center;gap:7px;padding:10px 20px;border-radius:var(--radius-pill);
  background:var(--grad);color:#fff;font-size:15px;font-weight:600;white-space:nowrap;
  box-shadow:0 8px 20px rgba(91,43,217,.24);transition:transform var(--ease),background var(--ease),box-shadow var(--ease);
}
.nav-cta:hover{color:#fff;transform:translateY(-2px);background:linear-gradient(135deg,#FF6B4A 0%,#FF8C63 100%);box-shadow:0 12px 26px rgba(255,107,74,.28);}
.nav-toggle{
  display:none;width:42px;height:42px;flex:0 0 42px;border:1px solid var(--line);border-radius:50%;
  background:#fff;color:var(--brand);font-size:16px;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle:hover{background:rgba(91,43,217,.08);}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;padding:40px 0 76px;}
.hero-media{position:absolute;inset:0;z-index:0;}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(20,16,42,.94) 0%,rgba(20,16,42,.80) 46%,rgba(29,23,64,.58) 100%);
}
.hero-glow{
  position:absolute;inset:0;z-index:1;pointer-events:none;
  background:
    radial-gradient(520px 300px at 12% 18%,rgba(91,43,217,.45),transparent 70%),
    radial-gradient(460px 260px at 88% 78%,rgba(184,241,74,.18),transparent 72%);
}
.hero-inner{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:26px;}
.crumb a{color:rgba(255,255,255,.66);}
.crumb a:hover{color:#fff;text-decoration:underline;}
.crumb i{font-size:10px;opacity:.7;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--radius-pill);
  border:1px solid rgba(184,241,74,.45);background:rgba(184,241,74,.12);
  color:var(--lime);font-size:13px;font-weight:600;letter-spacing:.02em;margin-bottom:20px;
}
.page-hero h1{
  color:#fff;font-size:clamp(32px,4.4vw,50px);font-weight:800;line-height:1.18;
  margin:0 0 18px;max-width:15em;
}
.hero-sub{color:rgba(255,255,255,.8);font-size:18px;line-height:1.7;max-width:34em;margin:0 0 28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 26px;list-style:none;margin:0;padding:0;}
.hero-points li{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.72);font-size:14px;margin:0;}
.hero-points i{color:var(--lime);font-size:12px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-pill);font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;transition:transform var(--ease),background var(--ease),box-shadow var(--ease),color var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(91,43,217,.26);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);background:linear-gradient(135deg,#FF6B4A 0%,#FF8C63 100%);box-shadow:0 14px 30px rgba(255,107,74,.3);}
.btn-ghost{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.32);}
.btn-ghost:hover{color:#fff;background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.55);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--brand);border-color:var(--line-strong);box-shadow:var(--shadow-1);}
.btn-light:hover{color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(91,43,217,.35);}
.btn-block{width:100%;}

/* ---------- 板块基础 ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-label{
  display:inline-flex;align-items:center;gap:7px;padding:5px 13px;border-radius:var(--radius-pill);
  background:rgba(91,43,217,.08);color:var(--brand);font-size:13px;font-weight:600;margin-bottom:14px;
}
.section-head h2{font-size:clamp(24px,3vw,32px);margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16px;margin:0;}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:40px;}
.head-row .section-head{margin-bottom:0;}
.text-link{color:var(--brand);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px;}
.text-link:hover{color:var(--coral);text-decoration:underline;text-underline-offset:4px;}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- 数据条 ---------- */
.stats-band{
  position:relative;background:var(--dark);border-radius:var(--radius-xl);
  padding:44px 34px;overflow:hidden;box-shadow:0 20px 48px rgba(20,16,42,.22);
}
.stats-band::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2),var(--lime));
}
.stats-band::after{
  content:"";position:absolute;right:-60px;bottom:-80px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(138,75,255,.34),transparent 68%);
}
.stat{position:relative;z-index:1;padding:8px 6px;}
.stat-num{
  font-size:40px;font-weight:800;line-height:1.1;
  background:linear-gradient(120deg,#8A4BFF 0%,#B8F14A 120%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-num span{font-size:16px;font-weight:700;color:var(--lime);-webkit-text-fill-color:var(--lime);margin-left:4px;}
.stat-label{color:#CFCADF;font-size:14px;margin-top:6px;}

/* ---------- 卡片网格 ---------- */
.card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(91,43,217,.18);}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EDEAF7;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 420ms cubic-bezier(.22,.61,.36,1);}
.card:hover .card-media img{transform:scale(1.04);}
.card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,16,42,0) 45%,rgba(20,16,42,.28) 100%);}
.card-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.card-tag{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  padding:4px 12px;border-radius:var(--radius-pill);font-size:12px;font-weight:600;
  background:rgba(91,43,217,.08);color:var(--brand);margin-bottom:12px;
}
.card-tag.lime{background:rgba(184,241,74,.24);color:#4C6B10;}
.card-tag.coral{background:rgba(255,107,74,.14);color:#C93F22;}
.card h3{font-size:19px;margin-bottom:10px;}
.card p{color:var(--muted);font-size:15px;margin-bottom:18px;flex:1;}
.card-foot{margin-top:auto;font-weight:600;color:var(--brand);font-size:14px;display:inline-flex;align-items:center;gap:6px;}
.card:hover .card-foot{color:var(--coral);}
.grid-gap{margin-top:0;}
.grid-gap .columns{margin-bottom:24px;}

/* ---------- 场景图文 ---------- */
.split{display:flex;flex-wrap:wrap;align-items:center;gap:44px;}
.split-media{flex:1 1 420px;border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-2);position:relative;}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.split-body{flex:1 1 400px;}
.split-body h2{font-size:clamp(23px,2.8vw,30px);margin-bottom:16px;}
.split-body > p{color:var(--muted);}
.check-list{list-style:none;margin:0 0 26px;padding:0;}
.check-list li{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px;font-size:15px;}
.check-list i{
  flex:0 0 24px;width:24px;height:24px;border-radius:8px;margin-top:2px;
  background:rgba(91,43,217,.1);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:11px;
}
.check-list strong{display:block;font-weight:700;color:var(--text);}
.check-list span{color:var(--muted);font-size:14px;}

/* ---------- 流程 ---------- */
.step-card{
  height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 22px;box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);}
.step-num{
  width:44px;height:44px;border-radius:14px;background:var(--grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;
  box-shadow:0 8px 18px rgba(91,43,217,.24);margin-bottom:16px;
}
.step-card h3{font-size:18px;margin-bottom:8px;}
.step-card p{color:var(--muted);font-size:14px;margin:0;}
.steps .columns{margin-bottom:24px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:14px;
  overflow:hidden;transition:box-shadow var(--ease),border-color var(--ease);
}
.faq-item:hover{box-shadow:var(--shadow-1);}
.faq-item.is-open{border-color:rgba(91,43,217,.22);box-shadow:var(--shadow-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--text);line-height:1.5;
}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  flex:0 0 30px;width:30px;height:30px;border-radius:50%;background:rgba(91,43,217,.08);
  color:var(--brand);display:inline-flex;align-items:center;justify-content:center;font-size:13px;
  transition:transform 200ms cubic-bezier(.22,.61,.36,1),background var(--ease),color var(--ease);
}
.faq-item.is-open .faq-icon{background:var(--grad);color:#fff;transform:rotate(180deg);}
.faq-a{display:none;padding:0 22px 22px 22px;border-left:3px solid transparent;}
.faq-item.is-open .faq-a{display:block;border-left:3px solid;border-image:linear-gradient(180deg,#5B2BD9,#8A4BFF) 1;}
.faq-a p{color:var(--muted);font-size:15px;line-height:1.85;margin:0;}

/* ---------- 联系 / CTA ---------- */
.contact-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-xl);
  padding:32px;box-shadow:var(--shadow-1);height:100%;
}
.contact-card h3{font-size:21px;margin-bottom:8px;}
.contact-card .hint{color:var(--muted);font-size:14px;margin-bottom:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;}
.field .req{color:var(--coral);margin-left:3px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 14px;border:1px solid var(--line-strong);border-radius:var(--radius-md);
  background:var(--bg);color:var(--text);transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.field textarea{height:auto;min-height:110px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(91,43,217,.12);
}
.form-note{font-size:12px;color:var(--muted);margin:14px 0 0;line-height:1.7;}
.info-list{list-style:none;margin:0;padding:0;}
.info-list li{display:flex;gap:14px;align-items:flex-start;padding:16px 0;border-bottom:1px solid var(--line);margin:0;}
.info-list li:last-child{border-bottom:0;}
.info-list i{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;background:rgba(91,43,217,.08);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;
}
.info-list strong{display:block;font-size:15px;font-weight:700;}
.info-list span{color:var(--muted);font-size:14px;}
.cta-panel{
  position:relative;overflow:hidden;background:var(--dark);border-radius:var(--radius-xl);
  padding:52px 40px;color:#fff;box-shadow:0 20px 46px rgba(20,16,42,.22);
}
.cta-panel::after{
  content:"";position:absolute;right:-70px;top:-70px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(138,75,255,.4),transparent 70%);
}
.cta-panel h2{color:#fff;font-size:clamp(23px,3vw,30px);margin-bottom:12px;position:relative;}
.cta-panel p{color:rgba(255,255,255,.74);max-width:44em;margin-bottom:26px;position:relative;}
.cta-panel .hero-actions{margin-bottom:0;position:relative;}

/* ---------- 分页位 ---------- */
.pager{display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;}
.pager-item{
  flex:1 1 300px;display:flex;align-items:center;gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:20px 22px;box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.pager-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:rgba(91,43,217,.2);}
.pager-item i{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;background:rgba(91,43,217,.08);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
}
.pager-item .dir{font-size:12px;color:var(--muted);letter-spacing:.06em;}
.pager-item .name{font-weight:700;font-size:16px;color:var(--text);}
.pager-item.next{flex-direction:row-reverse;text-align:right;}
.pager-item.next:hover .name,.pager-item:hover .name{color:var(--brand);}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--dark);color:#B9B3CE;margin-top:88px;padding-bottom:26px;}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2),var(--lime));
}
.footer-main{padding:64px 0 20px;}
.site-footer .brand-text{color:#fff;}
.site-footer .brand-text span{color:var(--lime);}
.site-footer p{color:#B9B3CE;font-size:14px;line-height:1.8;max-width:34em;margin:12px 0 18px;}
.footer-col h4{color:#fff;font-size:16px;font-weight:700;margin-bottom:16px;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:10px;font-size:14px;}
.footer-col a{color:#B9B3CE;}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;}
.footer-tags span{
  font-size:12px;padding:5px 12px;border-radius:var(--radius-pill);
  border:1px solid rgba(255,255,255,.16);color:#CFCADF;
}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.08);padding-top:22px;font-size:13px;color:#8C86A5;
}
.back-top{
  display:inline-flex;align-items:center;gap:7px;padding:8px 16px;border-radius:var(--radius-pill);
  border:1px solid rgba(255,255,255,.18);color:#CFCADF;font-size:13px;
}
.back-top:hover{color:#fff;border-color:rgba(255,255,255,.5);background:rgba(255,255,255,.06);}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-links{
    position:fixed;top:78px;left:18px;right:18px;flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
    padding:14px;box-shadow:var(--shadow-2);display:none;z-index:95;
  }
  .nav-links.is-open{display:flex;}
  .nav-link{padding:13px 16px;font-size:16px;border-radius:var(--radius-md);}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .brand-text{font-size:16px;}
  .section{padding:64px 0;}
  .page-hero{padding:24px 0 58px;}
  .split{gap:30px;}
  .stats-band{padding:34px 22px;}
  .cta-panel{padding:40px 26px;}
  .site-footer{margin-top:64px;}
}
@media (max-width:639px){
  .container{padding:0 18px;}
  .row{margin-left:-9px;margin-right:-9px;}
  .columns{padding-left:9px;padding-right:9px;}
  .section{padding:52px 0;}
  .hero-sub{font-size:16px;}
  .hero-actions .btn{width:100%;}
  .stat-num{font-size:32px;}
  .stat{padding:14px 4px;}
  .contact-card{padding:24px 20px;}
  .pager-item{flex:1 1 100%;}
  .pager-item.next{flex-direction:row;text-align:left;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .section-head h2{font-size:23px;}
}

/* roulang page: article */
:root{
  --brand:#5B2BD9;
  --brand-2:#8A4BFF;
  --lime:#B8F14A;
  --coral:#FF6B4A;
  --bg:#F6F5FB;
  --dark:#14102A;
  --ink:#1C1830;
  --muted:#6A6484;
  --line:rgba(28,24,48,.08);
  --r-lg:20px;
  --r-md:12px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(20,16,42,.06);
  --sh-2:0 16px 40px rgba(20,16,42,.12);
  --sh-nav:0 10px 30px rgba(20,16,42,.10);
  --t:240ms cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),box-shadow var(--t),transform var(--t)}
ul,ol{margin:0}
button{font-family:inherit}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:800;line-height:1.35;letter-spacing:-.2px}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.row{max-width:1200px}
.section{padding:76px 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:34px}
.section-head h2{font-size:clamp(22px,2.4vw,30px)}
.section-head p{color:var(--muted);font-size:15px;margin:8px 0 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:1px;color:var(--brand);background:rgba(91,43,217,.08);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:16px}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;padding:16px 0 6px}
.nav-pill{
  display:flex;align-items:center;gap:20px;
  max-width:1080px;margin:0 auto;
  padding:10px 12px 10px 20px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  transition:box-shadow var(--t),padding var(--t);
}
.site-header.is-scrolled .nav-pill{box-shadow:var(--sh-nav);padding:6px 12px 6px 18px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:12px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;display:grid;place-items:center;
  font-size:17px;font-weight:800;letter-spacing:-1px;
  box-shadow:0 6px 16px rgba(91,43,217,.3);
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:.2px;white-space:nowrap}
.brand-text span{color:var(--brand);margin-left:2px}
.nav-links{display:flex;flex:1;justify-content:center;gap:4px}
.nav-link{padding:9px 14px;border-radius:var(--r-pill);font-size:15px;color:var(--muted);font-weight:500;white-space:nowrap}
.nav-link:hover{color:var(--brand);background:rgba(91,43,217,.07)}
.nav-link.is-active{color:var(--brand);background:rgba(91,43,217,.1);font-weight:700}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:var(--r-pill);
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;font-size:14px;font-weight:700;white-space:nowrap;
  box-shadow:0 8px 20px rgba(91,43,217,.28);
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(91,43,217,.38)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:17px;cursor:pointer;
}

/* ---------- 文章头部 ---------- */
.article-head{position:relative;overflow:hidden;padding:54px 0 40px}
.article-head::before{
  content:"";position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.16;
}
.article-head::after{
  content:"";position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(620px 320px at 12% 6%,rgba(91,43,217,.16),transparent 70%),
    radial-gradient(520px 280px at 88% 0%,rgba(184,241,74,.16),transparent 70%);
}
.article-head .container{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:18px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand);text-decoration:underline}
.breadcrumb i{font-size:10px;opacity:.6}
.breadcrumb .current{color:var(--ink);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{font-size:clamp(26px,3.6vw,40px);line-height:1.32;max-width:920px;margin-bottom:20px}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:14px;color:var(--muted)}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(28,24,48,.22)}
.meta-row .chip-cat{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(91,43,217,.1);color:var(--brand);font-weight:700;font-size:13px;
}
.article-cover{position:relative;margin-top:30px;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1)}
.article-cover img{width:100%;aspect-ratio:16/7;object-fit:cover}
.article-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(20,16,42,.04),rgba(20,16,42,.16));
}

/* ---------- 正文 ---------- */
.article-shell{padding:48px 0 0}
.article-body{
  max-width:760px;margin:0 auto;
  background:#fff;border-radius:var(--r-lg);
  padding:44px 48px;box-shadow:var(--sh-1);
  font-size:16.5px;line-height:1.85;color:var(--ink);
}
.article-body h2{
  position:relative;font-size:26px;line-height:1.45;
  margin:44px 0 18px;padding-left:16px;
}
.article-body h2:first-child{margin-top:0}
.article-body h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--brand),var(--brand-2));
}
.article-body h3{font-size:20px;margin:30px 0 12px}
.article-body h4{font-size:17px;margin:24px 0 10px;color:#3a3554}
.article-body p{margin:0 0 1.2em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.35em}
.article-body li{margin-bottom:.5em}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;
  background:rgba(91,43,217,.06);
  border-left:4px solid var(--brand);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:#3a3554;
}
.article-body img{border-radius:var(--r-md);margin:22px auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13.5px;color:var(--muted);text-align:center;margin-top:10px}
.article-body a{color:var(--brand);text-decoration:underline;text-decoration-color:rgba(255,107,74,.55);text-underline-offset:3px}
.article-body a:hover{color:var(--coral)}
.article-body strong{font-weight:700}
.article-body hr{border:0;height:1px;background:var(--line);margin:32px 0}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.article-body th{background:rgba(91,43,217,.06);font-weight:700}
.empty-state{
  border:1.5px dashed rgba(28,24,48,.18);
  border-radius:16px;padding:52px 24px;text-align:center;background:#fff;
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:18px;
  display:grid;place-items:center;font-size:22px;color:var(--brand);
  background:rgba(91,43,217,.08);border:1px dashed rgba(91,43,217,.35);
}
.empty-state h3{font-size:20px;margin-bottom:10px}
.empty-state p{color:var(--muted);font-size:15px;max-width:460px;margin:0 auto 22px}

/* ---------- 标签 / 翻页 / 推荐 ---------- */
.tag-row{
  max-width:760px;margin:30px auto 0;
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
}
.tag-label{font-size:13px;color:var(--muted);font-weight:600;letter-spacing:.5px}
.tag{
  display:inline-flex;align-items:center;
  padding:7px 16px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);
  font-size:13.5px;color:#403a5c;font-weight:600;
  transition:border-color var(--t),color var(--t),transform var(--t);
}
.tag:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.tag.is-accent{border-color:rgba(184,241,74,.9);background:rgba(184,241,74,.18);color:#3d5310}

.pager-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:960px;margin:44px auto 0}
.pager-card{
  display:block;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:22px 24px;box-shadow:var(--sh-1);
}
.pager-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(91,43,217,.25)}
.pager-card .label{display:block;font-size:12.5px;color:var(--muted);letter-spacing:1px;margin-bottom:10px}
.pager-card .title{display:block;font-size:17px;font-weight:700;line-height:1.5;margin-bottom:8px}
.pager-card .desc{display:block;font-size:13.5px;color:var(--muted);line-height:1.7}
.pager-card.next{text-align:right}

.back-actions{display:flex;justify-content:center;margin-top:38px}

.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.post-thumb{aspect-ratio:16/9;overflow:hidden;background:rgba(91,43,217,.06)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 420ms cubic-bezier(.22,.61,.36,1)}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.chip{
  align-self:flex-start;font-size:12px;font-weight:700;
  padding:4px 11px;border-radius:var(--r-pill);
  background:rgba(91,43,217,.1);color:var(--brand);
}
.post-title{
  font-size:17px;font-weight:700;line-height:1.5;margin:12px 0 8px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-excerpt{
  font-size:14px;color:var(--muted);line-height:1.7;margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);display:flex;justify-content:space-between;align-items:center;gap:10px;
}
.post-meta .more{color:var(--brand);font-weight:700}

/* ---------- 按钮 ---------- */
.btn-primary,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;cursor:pointer;border:1px solid transparent;
}
.btn-primary{
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;box-shadow:0 10px 24px rgba(91,43,217,.3);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(91,43,217,.4)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:14px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:860px;margin:0 auto}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:16px;overflow:hidden;transition:border-color var(--t),box-shadow var(--t);
}
.faq-item.is-open{border-color:rgba(91,43,217,.28);box-shadow:var(--sh-1)}
.faq-item.is-open::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--brand),var(--brand-2));
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-q i{color:var(--brand);font-size:14px;transition:transform var(--t)}
.faq-item.is-open .faq-q i{transform:rotate(180deg)}
.faq-a{display:none;padding:0 24px 22px;font-size:15px;color:var(--muted);line-height:1.85}
.faq-item.is-open .faq-a{display:block}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--dark);color:#fff;border-radius:24px;
  padding:46px 48px;box-shadow:var(--sh-2);
  display:grid;grid-template-columns:1.5fr 1fr;gap:34px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(420px 260px at 88% 12%,rgba(138,75,255,.5),transparent 68%),
    radial-gradient(360px 220px at 6% 100%,rgba(184,241,74,.22),transparent 70%);
}
.cta-band > *{position:relative;z-index:1}
.cta-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(184,241,74,.6);color:var(--lime);
  font-size:12.5px;font-weight:700;letter-spacing:.6px;margin-bottom:16px;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);color:#fff;margin-bottom:14px}
.cta-band p{color:#B9B3CE;font-size:15px;line-height:1.8;margin:0}
.cta-actions{display:flex;flex-direction:column;gap:12px}
.cta-actions .btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2);color:#fff}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.4)}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;margin-top:88px;
  background:var(--dark);color:#B9B3CE;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2),var(--lime));
}
.site-footer .container{max-width:1200px;padding-left:12px;padding-right:12px}
.footer-main{padding:56px 0 8px}
.site-footer .brand-text{color:#fff}
.site-footer .brand-text span{color:var(--lime)}
.footer-brand p{font-size:14px;line-height:1.85;color:#B9B3CE;max-width:360px;margin:14px 0 18px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags span{
  font-size:12.5px;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);color:#CFC9E4;
}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14px;color:#B9B3CE}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-bottom{
  margin-top:22px;padding:22px 0 42px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:#8B85A8;
}
.back-top{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.16);color:#CFC9E4;font-size:13px;
}
.back-top:hover{color:#fff;border-color:rgba(255,255,255,.4);background:rgba(255,255,255,.06)}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-pill{padding:10px 14px;gap:12px}
  .nav-links{
    position:fixed;left:18px;right:18px;top:82px;
    flex:initial;flex-direction:column;justify-content:flex-start;gap:6px;
    background:#fff;border:1px solid var(--line);border-radius:20px;
    padding:16px;box-shadow:var(--sh-2);
    display:none;
  }
  body.nav-open .nav-links{display:flex}
  .nav-link{padding:14px 16px;font-size:16px;color:var(--ink)}
  .nav-link.is-active{background:rgba(91,43,217,.1)}
  .nav-cta{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .article-body{padding:32px 26px}
  .cta-band{grid-template-columns:1fr;padding:36px 28px}
  .cta-actions{flex-direction:row;flex-wrap:wrap}
  .card-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .site-header{padding:12px 0 4px}
  .brand-text{font-size:16px}
  .article-head{padding:34px 0 26px}
  .article-body{padding:26px 20px;font-size:16px}
  .article-body h2{font-size:21px;margin:32px 0 14px}
  .article-body h3{font-size:18px}
  .pager-grid{grid-template-columns:1fr}
  .pager-card.next{text-align:left}
  .card-grid{grid-template-columns:1fr}
  .article-cover img{aspect-ratio:16/9}
  .faq-q{font-size:16px;padding:18px 18px}
  .faq-a{padding:0 18px 18px}
  .cta-band{padding:30px 22px;border-radius:20px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:519px){
  .brand-text span{display:inline}
  .btn-primary,.btn-ghost{width:100%}
  .cta-actions{flex-direction:column}
  .back-actions .btn-ghost{width:100%}
  .meta-row{font-size:13px;gap:9px}
}

/* roulang page: category2 */
:root{
  --brand:#5B2BD9;
  --brand-2:#8A4BFF;
  --lime:#B8F14A;
  --coral:#FF6B4A;
  --bg:#F6F5FB;
  --dark:#14102A;
  --ink:#1C1830;
  --muted:#6A6484;
  --line:rgba(28,24,48,.08);
  --white:#ffffff;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(20,16,42,.06);
  --sh-2:0 16px 40px rgba(20,16,42,.12);
  --sh-nav:0 10px 30px rgba(20,16,42,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
  --grad:linear-gradient(120deg,#5B2BD9 0%,#8A4BFF 100%);
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .24s var(--ease),border-color .24s var(--ease)}
a:hover{color:var(--brand-2)}
p{margin:0 0 1.2em}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:-.01em}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;border-radius:8px;
}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.row{max-width:none;margin-left:-12px;margin-right:-12px}
.columns,.column{padding-left:12px;padding-right:12px}
.section{padding:var(--sec) 0}
.section-tight{padding:64px 0}
.sec-head{margin-bottom:40px;max-width:800px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(91,43,217,.08);color:var(--brand);
  font-size:13px;font-weight:600;letter-spacing:.02em;margin-bottom:18px;
}
.eyebrow i{color:var(--brand-2)}
.sec-eyebrow{
  display:block;font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand);text-transform:uppercase;margin-bottom:12px;
}
h2{font-size:clamp(24px,3vw,32px)}
.sec-desc{color:var(--muted);font-size:16px;line-height:1.85;margin-top:14px;max-width:760px}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--muted);margin-bottom:20px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb i{font-size:11px;opacity:.6}
.crumb span{color:var(--ink);font-weight:600}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:90;padding:16px 0 10px;transition:padding .24s var(--ease)}
.site-header.is-scrolled{padding:8px 0 6px}
.nav-pill{
  position:relative;max-width:1080px;margin:0 auto;
  display:flex;align-items:center;gap:20px;
  padding:10px 12px 10px 18px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--line);border-radius:var(--r-pill);
  box-shadow:var(--sh-nav);
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);flex:0 0 auto}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);
  color:#fff;font-weight:800;font-size:16px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(91,43,217,.32);
}
.brand-text{font-size:16px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.brand-text span{color:var(--brand);margin-left:2px;font-weight:700}
.nav-links{display:flex;align-items:center;gap:4px;margin:0 auto}
.nav-link{
  display:inline-block;padding:9px 16px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--muted);
  transition:background .24s var(--ease),color .24s var(--ease);
}
.nav-link:hover{color:var(--brand);background:rgba(91,43,217,.06)}
.nav-link.is-active{color:var(--brand);background:rgba(91,43,217,.10)}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;flex:0 0 auto;
  height:42px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--grad);color:#fff;font-size:15px;font-weight:700;
  box-shadow:0 8px 20px rgba(91,43,217,.28);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.nav-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(91,43,217,.34)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:14px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:16px;cursor:pointer;margin-left:auto;
  transition:background .24s var(--ease);
}
.nav-toggle:hover{background:#F6F5FB}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:40px 0 76px}
.hero::before{
  content:"";position:absolute;left:-18%;top:-30%;width:70%;height:620px;
  background:radial-gradient(circle at 40% 40%,rgba(91,43,217,.14),transparent 62%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;right:-14%;top:-12%;width:60%;height:520px;
  background:radial-gradient(circle at 60% 40%,rgba(184,241,74,.16),transparent 60%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:2}
.hero h1{font-size:clamp(32px,4.6vw,52px);line-height:1.14;margin-bottom:18px}
.hero-sub{font-size:18px;line-height:1.75;color:var(--muted);max-width:30em;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:16px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px rgba(91,43,217,.28)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(91,43,217,.34)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);box-shadow:var(--sh-1)}
.btn-ghost:hover{color:var(--brand);border-color:rgba(91,43,217,.4);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-sm{height:42px;padding:0 20px;font-size:15px}
.btn-block{width:100%}
.hero-metrics{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:14px;color:var(--muted)}
.hero-metrics i{width:4px;height:4px;border-radius:50%;background:rgba(28,24,48,.2);display:inline-block}
.hero-visual{position:relative;margin:34px 0 0;border-radius:24px;overflow:hidden;box-shadow:var(--sh-2)}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:24px}
.hero-visual::after{
  content:"";position:absolute;inset:0;background:rgba(20,16,42,.08);border-radius:24px;pointer-events:none;
}
.hero-float{
  position:absolute;left:18px;bottom:18px;z-index:3;
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);color:var(--ink);
  font-size:13px;font-weight:600;box-shadow:var(--sh-1);
}
.hero-float .dot{width:8px;height:8px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 4px rgba(184,241,74,.28)}

/* ============ 数据面板 ============ */
.stats-panel{
  position:relative;background:var(--dark);border-radius:28px;padding:44px 40px;overflow:hidden;
  box-shadow:0 24px 60px rgba(20,16,42,.22);
}
.stats-panel::before{
  content:"";position:absolute;right:-10%;top:-60%;width:52%;height:420px;
  background:radial-gradient(circle at 50% 50%,rgba(138,75,255,.42),transparent 62%);
}
.stats-panel::after{
  content:"";position:absolute;left:-6%;bottom:-70%;width:46%;height:360px;
  background:radial-gradient(circle at 50% 50%,rgba(184,241,74,.18),transparent 62%);
}
.stats-panel .row{position:relative;z-index:2}
.stat-card{
  border:1px solid rgba(184,241,74,.28);border-radius:var(--r-lg);
  padding:22px 20px;background:rgba(255,255,255,.03);height:100%;
  transition:border-color .24s var(--ease),transform .24s var(--ease);
}
.stat-card:hover{border-color:rgba(184,241,74,.6);transform:translateY(-4px)}
.stat-num{
  font-size:40px;line-height:1.1;font-weight:800;
  background:linear-gradient(120deg,#ffffff 0%,#C9B4FF 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-unit{font-size:16px;color:var(--lime);margin-left:6px;font-weight:700}
.stat-label{font-size:14px;color:#B9B3CE;margin-top:8px;line-height:1.7}
.stats-note{position:relative;z-index:2;color:#8F89A8;font-size:13px;margin-top:22px}

/* ============ 情报区（粘性引导 + 横向卡） ============ */
.intel-layout{display:grid;grid-template-columns:320px minmax(0,1fr);gap:32px;align-items:start}
.intel-aside{
  position:sticky;top:104px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:26px 22px;box-shadow:var(--sh-1);
}
.intel-aside h3{font-size:19px;margin-bottom:14px}
.aside-nav{margin-bottom:22px}
.aside-nav li a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:var(--r-sm);
  font-size:15px;color:var(--muted);font-weight:600;
  transition:background .24s var(--ease),color .24s var(--ease),padding-left .24s var(--ease);
}
.aside-nav li a::before{content:"";width:6px;height:6px;border-radius:50%;background:rgba(91,43,217,.3);transition:background .24s var(--ease)}
.aside-nav li a:hover{background:rgba(91,43,217,.06);color:var(--brand);padding-left:16px}
.aside-nav li a:hover::before{background:var(--brand)}
.aside-cta{border-top:1px solid var(--line);padding-top:20px}
.aside-cta p{font-size:14px;color:var(--muted);margin-bottom:14px}
.intel-list{display:grid;gap:20px}
.media-card{
  display:grid;grid-template-columns:230px minmax(0,1fr);gap:24px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:18px;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.media-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(91,43,217,.22)}
.media-thumb{border-radius:var(--r-md);overflow:hidden}
.media-thumb img{width:100%;height:100%;min-height:160px;object-fit:cover;border-radius:var(--r-md)}
.media-body{padding:6px 4px 6px 0}
.media-body h3{font-size:20px;margin:12px 0 10px}
.media-body p{font-size:15px;color:var(--muted);line-height:1.8;margin-bottom:14px}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--r-pill);
  background:rgba(91,43,217,.08);color:var(--brand);
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.pill-lime{background:rgba(184,241,74,.22);color:#4A6B05}
.pill-orange{background:rgba(255,107,74,.12);color:#C93F20}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:700;color:var(--brand)}
.text-link i{font-size:12px;transition:transform .24s var(--ease)}
.text-link:hover{border-bottom:2px solid var(--coral);padding-bottom:2px}
.text-link:hover i{transform:translateX(4px)}

/* ============ 场景区 ============ */
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 24px;height:100%;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.scene-icon{
  width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(91,43,217,.08);color:var(--brand);font-size:18px;margin-bottom:18px;
}
.scene-card h3{font-size:19px;margin-bottom:10px}
.scene-card p{font-size:15px;color:var(--muted);margin:0}

/* ============ 流程区 ============ */
.flow{position:relative;display:grid;gap:18px}
.flow-item{
  position:relative;display:grid;grid-template-columns:76px minmax(0,1fr);gap:22px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.flow-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.flow-num{
  font-size:30px;font-weight:800;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  display:flex;align-items:flex-start;
}
.flow-item h3{font-size:20px;margin-bottom:8px}
.flow-item p{font-size:15px;color:var(--muted);margin:0}

/* ============ FAQ ============ */
.faq-list{max-width:860px}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;
  transition:box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.faq-item:hover{border-color:rgba(91,43,217,.22)}
.faq-item::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:0 4px 4px 0;
  background:var(--grad);opacity:0;transition:opacity .24s var(--ease);
}
.faq-item.is-open::before{opacity:1}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-icon{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(91,43,217,.08);color:var(--brand);font-size:13px;
  transition:transform .2s var(--ease),background .24s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:rgba(91,43,217,.16)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s var(--ease)}
.faq-item.is-open .faq-a{max-height:420px}
.faq-a p{padding:0 24px 22px;margin:0;font-size:15px;color:var(--muted);line-height:1.85}

/* ============ 联系区 ============ */
.contact-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:28px;align-items:start}
.form-card,.info-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px 28px;box-shadow:var(--sh-1);
}
.form-card h3,.info-card h3{font-size:22px;margin-bottom:10px}
.form-card > p,.info-card > p{font-size:15px;color:var(--muted);margin-bottom:24px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:8px}
.field .req{color:var(--coral);margin-left:4px}
.field input,.field textarea,.field select{
  width:100%;height:48px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#F6F5FB;color:var(--ink);
  padding:0 14px;font-size:15px;font-family:inherit;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),background .24s var(--ease);
}
.field textarea{height:auto;min-height:118px;padding:13px 14px;line-height:1.7;resize:vertical}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(91,43,217,.12);
}
.form-note{font-size:13px;color:var(--muted);margin:16px 0 0;line-height:1.7}
.info-list li{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line);font-size:15px;color:var(--muted);
}
.info-list li:last-child{border-bottom:0}
.info-list i{
  flex:0 0 auto;width:38px;height:38px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(91,43,217,.08);color:var(--brand);font-size:15px;
}
.info-list strong{display:block;color:var(--ink);font-size:15px;margin-bottom:2px}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;background:var(--dark);color:#B9B3CE;margin-top:var(--sec);
  padding:64px 0 26px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#5B2BD9,#8A4BFF,#B8F14A);
}
.footer-brand p{font-size:14px;line-height:1.85;color:#B9B3CE;margin:14px 0 18px}
.site-footer .brand-text{color:#fff}
.site-footer .brand-text span{color:#C9B4FF}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tags span{
  font-size:12px;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);color:#B9B3CE;border:1px solid rgba(255,255,255,.08);
}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:#B9B3CE}
.footer-col ul li a:hover{color:#fff;text-decoration:underline}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);margin-top:36px;padding-top:20px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:#8F89A8;
}
.back-top{
  display:inline-flex;align-items:center;gap:8px;color:#B9B3CE;font-size:13px;
  padding:6px 14px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.12);
  transition:color .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease);
}
.back-top:hover{color:#fff;border-color:rgba(255,255,255,.32);background:rgba(255,255,255,.06)}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .intel-layout{grid-template-columns:280px minmax(0,1fr)}
}
@media (max-width:1023px){
  :root{--sec:72px}
  .nav-pill{border-radius:24px;gap:12px;padding:10px 12px 10px 16px}
  .nav-links{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    padding:14px;background:#fff;border:1px solid var(--line);
    border-radius:20px;box-shadow:var(--sh-2);margin:0;
  }
  .nav-links.is-open{display:flex}
  .nav-link{padding:13px 16px;font-size:16px;border-radius:14px}
  .nav-toggle{display:inline-flex}
  .nav-cta{display:none}
  .intel-layout{grid-template-columns:1fr;gap:24px}
  .intel-aside{position:static}
  .contact-grid{grid-template-columns:1fr}
  .hero{padding:24px 0 56px}
  .media-card{grid-template-columns:180px minmax(0,1fr)}
}
@media (max-width:767px){
  :root{--sec:56px}
  .container{padding:0 18px}
  .row{margin-left:-9px;margin-right:-9px}
  .columns,.column{padding-left:9px;padding-right:9px}
  .stats-panel{padding:30px 22px;border-radius:22px}
  .stat-num{font-size:32px}
  .hero-visual{margin-top:26px}
  .media-card{grid-template-columns:1fr;gap:16px}
  .media-thumb img{min-height:180px;aspect-ratio:16/9}
  .flow-item{grid-template-columns:1fr;gap:10px}
  .form-card,.info-card{padding:24px 20px}
  .site-footer{padding:48px 0 22px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:519px){
  .brand-text{font-size:15px}
  .hero-actions .btn{width:100%}
  .hero-metrics{font-size:13px;gap:9px}
  .stat-card{padding:18px 16px}
  .faq-q{font-size:16px;padding:18px 18px}
  .faq-a p{padding:0 18px 20px}
}

/* roulang page: category3 */
:root{
  --brand:#5B2BD9;
  --brand-2:#8A4BFF;
  --lime:#B8F14A;
  --coral:#FF6B4A;
  --bg:#F6F5FB;
  --dark:#14102A;
  --ink:#1C1830;
  --muted:#6A6484;
  --line:rgba(28,24,48,.08);
  --white:#ffffff;
  --r-lg:20px;
  --r-md:12px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(20,16,42,.06);
  --sh-2:0 16px 40px rgba(20,16,42,.12);
  --sh-nav:0 10px 30px rgba(20,16,42,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
  --t:240ms;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--t) var(--ease),border-color var(--t) var(--ease);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:6px;
}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.35;letter-spacing:-.01em;color:var(--ink);}
p{margin:0 0 1.2em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.row{max-width:1200px;}
.row .row{margin:0;}
.columns{padding-left:0;}
.row .columns:first-child{padding-left:0;}
.row .columns:last-child{padding-right:0;}

/* ============ 导航 ============ */
#siteHeader{
  position:sticky;
  top:0;
  z-index:60;
  padding:14px 20px 0;
}
.nav-pill{
  max-width:1080px;
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:10px 12px 10px 20px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid rgba(28,24,48,.06);
  transition:box-shadow var(--t) var(--ease),padding var(--t) var(--ease);
}
.nav-pill.is-scrolled{box-shadow:var(--sh-nav);padding-top:7px;padding-bottom:7px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  color:#fff;font-weight:800;font-size:17px;
  box-shadow:0 6px 14px rgba(91,43,217,.28);
}
.brand-text{font-weight:800;font-size:17px;color:var(--ink);letter-spacing:.01em;white-space:nowrap;}
.brand-text span{font-size:12px;font-weight:600;color:var(--muted);margin-left:5px;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-link{
  padding:9px 15px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:500;
  color:var(--ink);
  white-space:nowrap;
  transition:background var(--t) var(--ease),color var(--t) var(--ease);
}
.nav-link:hover{background:rgba(91,43,217,.08);color:var(--brand);}
.nav-link.is-active{background:rgba(91,43,217,.10);color:var(--brand);font-weight:700;}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--r-pill);
  background:linear-gradient(120deg,var(--brand),var(--brand-2));
  color:#fff;font-size:14px;font-weight:700;white-space:nowrap;
  box-shadow:0 8px 18px rgba(91,43,217,.26);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),background var(--t) var(--ease);
}
.nav-cta:hover{transform:translateY(-2px);background:linear-gradient(120deg,var(--coral),#ff8f74);box-shadow:0 12px 24px rgba(255,107,74,.32);}
.nav-toggle{
  display:none;
  width:42px;height:42px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:16px;cursor:pointer;align-items:center;justify-content:center;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),background var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.btn-primary{background:linear-gradient(120deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 12px 26px rgba(91,43,217,.28);}
.btn-primary:hover{transform:translateY(-2px);background:linear-gradient(120deg,var(--coral),#ff8f74);box-shadow:0 16px 30px rgba(255,107,74,.32);}
.btn-ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.3);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.22);transform:translateY(-2px);}
.btn-outline{background:#fff;border-color:rgba(28,24,48,.14);color:var(--ink);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-block{width:100%;}

/* ============ Hero ============ */
.page-hero-wrap{padding:26px 0 0;}
.page-hero{
  position:relative;
  border-radius:28px;
  overflow:hidden;
  color:#fff;
  background-image:linear-gradient(115deg,rgba(20,16,42,.94) 0%,rgba(20,16,42,.72) 52%,rgba(91,43,217,.55) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  box-shadow:var(--sh-2);
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-90px;bottom:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(184,241,74,.28),transparent 68%);
  pointer-events:none;
}
.page-hero .inner{position:relative;z-index:2;padding:52px 48px 46px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.68);margin-bottom:22px;}
.crumb a:hover{color:#fff;text-decoration:underline;}
.crumb .sep{color:rgba(255,255,255,.35);}
.page-hero h1{
  color:#fff;
  font-size:clamp(30px,4vw,46px);
  font-weight:800;
  letter-spacing:-.02em;
  margin-bottom:14px;
}
.hero-sub{font-size:18px;color:rgba(255,255,255,.86);max-width:640px;margin-bottom:16px;}
.hero-desc{font-size:15px;line-height:1.85;color:rgba(255,255,255,.72);max-width:660px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px;}
.hero-metrics{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:rgba(255,255,255,.72);}
.hero-metrics .dot{width:5px;height:5px;border-radius:50%;background:var(--lime);display:inline-block;margin-right:8px;vertical-align:middle;}
.hero-side{margin-top:8px;}
.hero-card-visual{
  position:relative;border-radius:22px;overflow:hidden;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
}
.hero-card-visual img{width:100%;height:230px;object-fit:cover;opacity:.92;}
.hero-card-visual .cap{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px;
  background:linear-gradient(180deg,rgba(20,16,42,0),rgba(20,16,42,.86));
  font-size:13px;color:rgba(255,255,255,.9);
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(184,241,74,.5);
  background:rgba(184,241,74,.10);
  font-size:13px;color:#E9FFC0;
}

/* ============ 通用板块 ============ */
.section{padding:78px 0;}
.section-tight{padding:56px 0;}
.section-dark{background:var(--dark);color:#fff;}
.section-dark h2,.section-dark h3{color:#fff;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:20px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2));}
.section-dark .eyebrow{color:var(--lime);}
.section-dark .eyebrow::before{background:var(--lime);}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,3vw,32px);margin-bottom:14px;}
.section-head p{font-size:15px;color:var(--muted);margin-bottom:0;}
.section-dark .section-head p{color:rgba(255,255,255,.66);}

/* ============ 分组大卡 ============ */
.group-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:30px;}
.group-head .gh-text{max-width:660px;}
.group-head h2{font-size:clamp(23px,2.7vw,30px);margin-bottom:10px;}
.group-head p{font-size:15px;color:var(--muted);margin:0;}
.group-index{
  font-size:13px;font-weight:700;color:var(--brand);
  background:rgba(91,43,217,.08);
  border-radius:var(--r-pill);
  padding:7px 16px;
}
.big-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
  margin-bottom:28px;
}
.big-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(91,43,217,.18);}
.big-card .media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#EDEAF7;}
.big-card .media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.big-card:hover .media img{transform:scale(1.04);}
.big-card .media .tag{
  position:absolute;left:16px;top:16px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.92);color:var(--brand);
  font-size:12px;font-weight:700;
}
.big-card .body{padding:26px 26px 28px;display:flex;flex-direction:column;flex:1;}
.big-card h3{font-size:21px;margin-bottom:12px;}
.big-card .body>p{font-size:15px;color:var(--muted);margin-bottom:18px;}
.point-list{margin-bottom:22px;}
.point-list li{
  position:relative;padding-left:22px;font-size:14.5px;color:var(--ink);
  margin-bottom:10px;line-height:1.75;
}
.point-list li::before{
  content:"";position:absolute;left:2px;top:11px;
  width:8px;height:8px;border-radius:3px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:700;color:var(--brand);margin-top:auto;
  border-bottom:1px solid transparent;padding-bottom:2px;
  transition:border-color var(--t) var(--ease),color var(--t) var(--ease);
}
.text-link:hover{border-bottom-color:var(--coral);color:var(--brand-2);}
.text-link i{font-size:12px;transition:transform var(--t) var(--ease);}
.text-link:hover i{transform:translateX(3px);}

/* ============ FAQ ============ */
.faq-block{max-width:880px;margin:0 auto;padding:8px 0 6px;}
.faq-head{display:flex;align-items:center;gap:12px;margin-bottom:22px;}
.faq-head h3{font-size:19px;}
.faq-head .line{flex:1;height:1px;background:var(--line);}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  margin-bottom:14px;overflow:hidden;
  transition:box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.faq-item:hover{box-shadow:var(--sh-1);}
.faq-item[open]{box-shadow:inset 3px 0 0 0 var(--brand),var(--sh-1);border-color:rgba(91,43,217,.18);}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;cursor:pointer;list-style:none;
  font-size:17px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{position:relative;flex:0 0 20px;width:20px;height:20px;transition:transform var(--t) var(--ease);}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  transform:translate(-50%,-50%);background:var(--brand);border-radius:2px;
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;transition:transform var(--t) var(--ease),opacity var(--t) var(--ease);}
.faq-item[open] .faq-icon::after{transform:translate(-50%,-50%) scaleY(0);opacity:0;}
.faq-answer{padding:0 24px 22px;font-size:15px;color:var(--muted);line-height:1.85;}
.faq-answer p:last-child{margin-bottom:0;}

/* ============ 流程 ============ */
.steps{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.step{
  position:relative;background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.10);border-radius:var(--r-lg);
  padding:26px 22px;transition:background var(--t) var(--ease),transform var(--t) var(--ease);
}
.step:hover{background:rgba(255,255,255,.09);transform:translateY(-4px);}
.step .num{
  font-size:26px;font-weight:800;
  background:linear-gradient(120deg,#B8F14A,#8A4BFF);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  display:block;margin-bottom:12px;
}
.step h4{font-size:18px;color:#fff;margin-bottom:8px;}
.step p{font-size:14px;color:rgba(255,255,255,.66);margin:0;line-height:1.7;}

/* ============ 数据徽章 ============ */
.stat-card{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(184,241,74,.34);
  border-radius:var(--r-lg);
  padding:24px 22px;height:100%;margin-bottom:24px;
  transition:transform var(--t) var(--ease),border-color var(--t) var(--ease),background var(--t) var(--ease);
}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(184,241,74,.7);background:rgba(184,241,74,.06);}
.stat-num{
  font-size:40px;font-weight:800;line-height:1.1;
  background:linear-gradient(120deg,#8A4BFF,#B8F14A);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-unit{font-size:16px;color:var(--lime);margin-left:6px;font-weight:700;}
.stat-card p{font-size:14px;color:rgba(255,255,255,.66);margin:10px 0 0;}

/* ============ 联系与表单 ============ */
.contact-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:start;}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px 32px;box-shadow:var(--sh-1);
}
.form-card h3{font-size:23px;margin-bottom:10px;}
.form-card .form-intro{font-size:14.5px;color:var(--muted);margin-bottom:26px;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--ink);}
.field .req{color:var(--coral);margin-left:4px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;padding:0 16px;
  border:1px solid rgba(28,24,48,.12);border-radius:var(--r-md);
  background:var(--bg);color:var(--ink);font-size:15px;font-family:inherit;
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease),background var(--t) var(--ease);
}
.field textarea{height:126px;padding:14px 16px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(91,43,217,.12);
}
.form-note{font-size:12.5px;color:var(--muted);margin-top:14px;line-height:1.7;}
.form-tip{
  display:none;margin-top:16px;padding:12px 16px;border-radius:var(--r-md);
  background:rgba(184,241,74,.18);border:1px solid rgba(139,195,30,.4);
  color:#3F5A05;font-size:14px;
}
.form-tip.show{display:block;}
.info-card{
  background:var(--dark);color:#fff;border-radius:var(--r-lg);
  padding:32px 30px;box-shadow:var(--sh-2);
}
.info-card h3{font-size:21px;color:#fff;margin-bottom:18px;}
.info-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid rgba(255,255,255,.09);}
.info-list li:last-child{border-bottom:none;}
.info-list .ico{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(184,241,74,.14);color:var(--lime);font-size:16px;
}
.info-list .txt strong{display:block;font-size:15px;color:#fff;font-weight:700;margin-bottom:2px;}
.info-list .txt span{font-size:13.5px;color:rgba(255,255,255,.66);}
.info-card .cta-mini{
  margin-top:22px;display:flex;flex-wrap:wrap;gap:12px;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);color:#B9B3CE;position:relative;margin-top:0;
}
.site-footer::before{
  content:"";display:block;height:3px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2),var(--lime));
}
.footer-main{padding:58px 0 6px;}
.footer-brand .brand-text{color:#fff;}
.footer-brand .brand-text span{color:rgba(255,255,255,.5);}
.footer-brand p{font-size:14px;line-height:1.85;color:#B9B3CE;margin:14px 0 18px;max-width:340px;}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;}
.footer-tags span{
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10);
  font-size:12.5px;color:rgba(255,255,255,.72);
}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{font-size:14px;color:#B9B3CE;}
.footer-col ul li a:hover{color:#fff;text-decoration:underline;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0 26px;font-size:13px;color:rgba(255,255,255,.52);
}
.back-top{display:inline-flex;align-items:center;gap:6px;color:#B9B3CE;font-size:13px;}
.back-top:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-toggle{display:inline-flex;}
  .nav-cta{display:none;}
  .nav-links{
    position:fixed;left:16px;right:16px;top:86px;
    display:none;flex-direction:column;align-items:stretch;gap:6px;
    background:rgba(255,255,255,.98);
    -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    border:1px solid var(--line);border-radius:24px;
    box-shadow:var(--sh-2);padding:14px;z-index:70;
  }
  .nav-links.is-open{display:flex;}
  .nav-link{padding:14px 16px;font-size:16.5px;border-radius:14px;}
  .page-hero .inner{padding:40px 26px 36px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .contact-grid{grid-template-columns:1fr;}
  .section{padding:60px 0;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  #siteHeader{padding:10px 12px 0;}
  .nav-pill{padding:9px 10px 9px 14px;}
  .brand-text span{display:none;}
  .page-hero{border-radius:20px;}
  .page-hero .inner{padding:32px 20px 30px;}
  .hero-sub{font-size:16px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .section{padding:52px 0;}
  .big-card .body{padding:22px 20px 24px;}
  .form-card{padding:26px 20px;}
  .info-card{padding:26px 20px;}
  .stat-num{font-size:34px;}
  .faq-item summary{font-size:16px;padding:17px 18px;}
  .faq-answer{padding:0 18px 18px;}
}
@media (max-width:560px){
  .steps{grid-template-columns:1fr;}
  .hero-metrics{flex-direction:column;align-items:flex-start;gap:6px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}