/* roulang page: index */
:root{
  --primary:#6D4AFF;
  --primary-deep:#5738D9;
  --accent:#00D4C8;
  --orange:#FF7A3D;
  --pink:#FF4D8D;
  --bg:#F7F7FC;
  --card:#FFFFFF;
  --dark:#17131F;
  --text:#2B2635;
  --text-2:#6B6579;
  --border:#E8E6F2;
  --success:#16A34A;
  --warning:#F59E0B;
  --danger:#EF4444;
  --grad:linear-gradient(135deg,#6D4AFF,#00D4C8);
  --grad-warm:linear-gradient(135deg,#FF7A3D,#FF4D8D);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --sh:0 8px 24px rgba(23,19,31,.06);
  --sh-hover:0 16px 40px rgba(23,19,31,.12);
  --container:1240px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;border-radius:16px}
button{font:inherit;border:0;background:none;cursor:pointer;color:inherit}
input,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid rgba(109,74,255,.55);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-sm{padding:64px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(1.5rem,3vw,2.25rem);margin-bottom:14px}
.section-head p{color:var(--text-2);font-size:1rem}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8125rem;font-weight:700;letter-spacing:.06em;
  color:var(--primary);background:rgba(109,74,255,.09);
  border-radius:var(--r-pill);padding:6px 14px;margin-bottom:16px;
}
.eyebrow i{font-size:.75rem}
.tnum{font-variant-numeric:tabular-nums}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:700;font-size:.9375rem;
  padding:12px 24px;white-space:nowrap;line-height:1.2;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease,filter .18s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(109,74,255,.28)}
.btn-primary:hover{filter:brightness(1.05);box-shadow:0 14px 30px rgba(109,74,255,.34)}
.btn-ghost{background:#fff;color:var(--text);border:1.5px solid var(--border)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}
.btn-dark{background:var(--dark);color:#fff}
.btn-dark:hover{filter:brightness(1.1)}
.btn-light{background:#fff;color:var(--dark)}
.btn-outline-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5)}
.btn-outline-light:hover{background:rgba(255,255,255,.14)}
.btn-lg{padding:15px 30px;font-size:1rem}
.btn-sm{padding:10px 20px;font-size:.875rem}
.btn-block{width:100%}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.75rem;font-weight:700;line-height:1;
  padding:6px 11px;border-radius:var(--r-pill);
  background:rgba(109,74,255,.1);color:var(--primary);
}
.badge-cyan{background:rgba(0,212,200,.14);color:#0B8F87}
.badge-orange{background:rgba(255,122,61,.14);color:#C4551F}
.badge-dark{background:rgba(23,19,31,.82);color:#fff;backdrop-filter:blur(6px)}
.badge-glass{background:rgba(255,255,255,.86);color:var(--dark);box-shadow:0 4px 12px rgba(23,19,31,.12)}
.badge-outline{background:transparent;border:1.5px solid var(--border);color:var(--text-2)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
.nav-wrap{display:flex;align-items:center;gap:24px;height:74px}
.logo{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-size:1rem;
  box-shadow:0 8px 18px rgba(109,74,255,.3);
}
.logo-text{font-weight:800;font-size:1.0625rem;letter-spacing:-.01em;color:var(--dark)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-links a{
  position:relative;padding:9px 15px;border-radius:var(--r-pill);
  font-size:.9375rem;font-weight:600;color:var(--text-2);
  transition:color .18s ease,background .18s ease;
}
.nav-links a:hover{color:var(--primary);background:rgba(109,74,255,.07)}
.nav-links a.active{color:var(--primary);background:rgba(109,74,255,.1)}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.nav-search{
  display:flex;align-items:center;gap:9px;
  background:#F3F2FA;border:1.5px solid transparent;
  border-radius:var(--r-pill);padding:9px 16px;min-width:210px;
  transition:border-color .18s ease,background .18s ease,box-shadow .18s ease;
}
.nav-search:focus-within{border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(109,74,255,.12)}
.nav-search i{color:var(--text-2);font-size:.875rem}
.nav-search input{border:0;background:transparent;outline:none;width:100%;font-size:.875rem}
.nav-search input::placeholder{color:#9C97AC}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1.5px solid var(--border);
  background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .22s ease,opacity .22s ease}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:#fff;border-bottom:1px solid var(--border)}
.hero-glow{
  position:absolute;top:-180px;right:-140px;width:620px;height:620px;border-radius:50%;
  background:var(--grad);filter:blur(120px);opacity:.16;pointer-events:none;
}
.hero-glow::after{
  content:"";position:absolute;left:-520px;top:360px;width:420px;height:420px;border-radius:50%;
  background:var(--grad-warm);filter:blur(110px);opacity:.4;
}
.hero-grid{
  position:relative;display:grid;grid-template-columns:1.05fr .85fr;
  gap:56px;align-items:center;padding:72px 0 84px;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  background:rgba(109,74,255,.09);color:var(--primary);
  border-radius:var(--r-pill);padding:7px 16px;font-size:.8125rem;font-weight:700;
  margin-bottom:20px;
}
.hero h1{font-size:clamp(2rem,5vw,3.5rem);line-height:1.18;margin-bottom:20px}
.hero h1 em{
  font-style:normal;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:1.0625rem;color:var(--text-2);max-width:560px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.hero-stats{display:flex;flex-wrap:wrap;gap:36px}
.hero-stats li{min-width:92px}
.hero-stats strong{display:block;font-size:1.5rem;font-weight:800;color:var(--dark);line-height:1.2}
.hero-stats span{font-size:.8125rem;color:var(--text-2)}
.hero-media{display:flex;justify-content:center}
.phone-frame{
  position:relative;width:min(318px,100%);aspect-ratio:9/16;
  border-radius:32px;overflow:hidden;background:var(--grad);
  box-shadow:0 26px 70px rgba(23,19,31,.22);
}
.phone-frame img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:opacity .3s ease}
.phone-frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(23,19,31,0) 40%,rgba(23,19,31,.62) 100%);
}
.play-btn{
  position:absolute;left:50%;top:44%;transform:translate(-50%,-50%);
  width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,.94);
  color:var(--primary);display:grid;place-items:center;font-size:1.125rem;
  box-shadow:0 12px 30px rgba(23,19,31,.25);z-index:3;
  transition:transform .2s ease,background .2s ease;
}
.play-btn:hover{transform:translate(-50%,-50%) scale(1.07);background:#fff}
.media-badge{position:absolute;z-index:3;font-size:.75rem;font-weight:700}
.badge-duration{right:14px;bottom:14px}
.badge-hot{left:14px;bottom:14px}
.float-tag{
  position:absolute;z-index:3;font-size:.75rem;font-weight:700;
  padding:8px 14px;border-radius:var(--r-pill);background:#fff;color:var(--dark);
  box-shadow:0 10px 26px rgba(23,19,31,.16);
}
.float-tag-1{top:52px;left:-22px;color:var(--primary)}
.float-tag-2{top:128px;right:-18px;background:var(--dark);color:#fff}

/* ---------- fragments ---------- */
.frag-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.frag-card{
  position:relative;display:block;border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:9/16;background:var(--dark);box-shadow:var(--sh);
  transition:transform .22s ease,box-shadow .22s ease;
}
.frag-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.frag-card img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease}
.frag-card:hover img{transform:scale(1.03)}
.frag-mask{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(23,19,31,.05) 34%,rgba(23,19,31,.82) 100%);
}
.frag-body{position:absolute;left:0;right:0;bottom:0;padding:18px;z-index:2}
.frag-body h3{
  font-size:1rem;color:#fff;margin:10px 0 8px;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.frag-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.frag-meta .badge{background:rgba(255,255,255,.18);color:#fff;backdrop-filter:blur(6px)}
.frag-meta .badge-accent{background:var(--grad-warm);color:#fff}
.frag-top{position:absolute;top:14px;left:14px;z-index:2}

/* ---------- checklist ---------- */
.checklist{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.check-item{
  display:flex;gap:18px;align-items:center;
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--sh);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.check-item:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(109,74,255,.35)}
.check-thumb{
  flex:0 0 auto;width:92px;height:92px;border-radius:var(--r-md);overflow:hidden;background:var(--grad);
}
.check-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0}
.check-num{
  font-size:.8125rem;font-weight:800;color:var(--primary);
  font-variant-numeric:tabular-nums;letter-spacing:.08em;
}
.check-body{flex:1;min-width:0}
.check-body h3{font-size:1.0625rem;margin:4px 0 6px}
.check-body p{font-size:.875rem;color:var(--text-2);line-height:1.7}
.check-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.check-arrow{color:var(--text-2);font-size:.875rem;transition:transform .22s ease,color .22s ease}
.check-item:hover .check-arrow{transform:translateX(4px);color:var(--primary)}

/* ---------- reviews ---------- */
.review-rail{
  display:flex;gap:20px;overflow-x:auto;padding:6px 4px 20px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.review-rail::-webkit-scrollbar{height:6px}
.review-rail::-webkit-scrollbar-thumb{background:rgba(109,74,255,.28);border-radius:99px}
.review-card{
  flex:0 0 300px;scroll-snap-align:start;
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh);
  transition:transform .22s ease,box-shadow .22s ease;
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.review-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{
  width:44px;height:44px;border-radius:50%;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:.9375rem;flex:0 0 auto;
}
.review-name{font-weight:700;font-size:.9375rem}
.stars{color:var(--warning);font-size:.75rem;display:flex;gap:2px;margin-top:2px}
.review-text{font-size:.875rem;color:var(--text-2);line-height:1.75}
.review-foot{margin-top:14px;display:flex;gap:8px;flex-wrap:wrap}

/* ---------- news (cms) ---------- */
.news-wrap{display:grid;grid-template-columns:1.35fr 1fr;gap:var(--gap)}
.news-side{display:grid;gap:20px}
.news-card{
  display:block;background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(109,74,255,.3)}
.news-card h3{font-size:1.0625rem;margin:12px 0 10px;line-height:1.55;transition:color .2s ease}
.news-card:hover h3{color:var(--primary)}
.news-card p{font-size:.875rem;color:var(--text-2);line-height:1.75}
.news-meta{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin-top:16px;font-size:.8125rem;color:var(--text-2);
}
.news-featured{grid-row:span 3;display:flex;flex-direction:column}
.news-featured .news-cover{
  border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/9;background:var(--grad);margin-bottom:18px;
}
.news-featured .news-cover img{width:100%;height:100%;object-fit:cover;border-radius:0}
.news-featured h3{font-size:1.375rem;line-height:1.5}
.news-featured p{font-size:.9375rem}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;text-align:center;padding:56px 24px;
  background:var(--card);border:1.5px dashed var(--border);border-radius:var(--r-lg);
}
.empty-state i{font-size:1.75rem;color:var(--primary);opacity:.7}
.empty-state p{color:var(--text-2);font-size:.9375rem}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-md);
  box-shadow:var(--sh);overflow:hidden;transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item.open{border-color:rgba(109,74,255,.4);box-shadow:var(--sh-hover)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:16px;text-align:left;
  padding:20px 24px;font-weight:700;font-size:1rem;color:var(--dark);
}
.faq-q .faq-tag{
  flex:0 0 auto;font-size:.7rem;font-weight:700;color:var(--primary);
  background:rgba(109,74,255,.1);border-radius:var(--r-pill);padding:4px 10px;
}
.faq-q .faq-ico{
  margin-left:auto;flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  background:rgba(109,74,255,.1);color:var(--primary);display:grid;place-items:center;
  font-size:.8125rem;transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-item.open .faq-ico{transform:rotate(45deg);background:var(--grad);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.open .faq-a{max-height:340px}
.faq-a p{padding:0 24px 22px;color:var(--text-2);font-size:.9375rem;line-height:1.8}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--dark);color:#fff;padding:52px 48px;
  display:grid;grid-template-columns:1.3fr .7fr;gap:36px;align-items:center;
  box-shadow:0 24px 60px rgba(23,19,31,.2);
}
.cta-band::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:2px;background:var(--grad);
}
.cta-band::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  background:var(--grad);filter:blur(110px);opacity:.32;
}
.cta-band h2{font-size:clamp(1.5rem,3vw,2.125rem);margin-bottom:14px;position:relative;z-index:2}
.cta-band p{color:rgba(255,255,255,.72);font-size:.9375rem;max-width:520px;position:relative;z-index:2}
.cta-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px;position:relative;z-index:2}
.cta-tags .badge{background:rgba(255,255,255,.12);color:#fff}
.cta-actions{display:flex;flex-direction:column;gap:12px;position:relative;z-index:2}

/* ---------- form ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:var(--gap);align-items:start}
.contact-info{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--sh);
}
.contact-info h3{font-size:1.25rem;margin-bottom:14px}
.contact-info p{color:var(--text-2);font-size:.9375rem;margin-bottom:22px}
.contact-list{display:grid;gap:14px}
.contact-list li{display:flex;gap:12px;align-items:flex-start;font-size:.9375rem;color:var(--text-2)}
.contact-list i{color:var(--primary);margin-top:6px}
.form-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--sh);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:18px}
.field label{font-size:.875rem;font-weight:700;color:var(--dark)}
.field input,.field textarea{
  width:100%;height:48px;padding:0 16px;border-radius:var(--r-sm);
  border:1.5px solid var(--border);background:#FCFCFF;outline:none;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field textarea{height:auto;padding:14px 16px;resize:vertical;min-height:120px;line-height:1.7}
.field input:focus,.field textarea:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(109,74,255,.12)}
.field input::placeholder,.field textarea::placeholder{color:#9C97AC}
.field.error input,.field.error textarea{border-color:var(--danger);box-shadow:0 0 0 4px rgba(239,68,68,.1)}
.field .err-msg{display:none;font-size:.8125rem;color:var(--danger)}
.field.error .err-msg{display:block}
.form-tip{font-size:.8125rem;color:var(--text-2);margin-top:12px}

/* ---------- footer ---------- */
.site-footer{
  position:relative;background:var(--dark);color:rgba(255,255,255,.7);
  padding:68px 0 28px;margin-top:80px;
}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad)}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.foot-brand .logo-text{color:#fff}
.foot-brand p{font-size:.875rem;line-height:1.85;margin:18px 0 20px;max-width:320px;color:rgba(255,255,255,.6)}
.foot-social{display:flex;gap:10px}
.foot-social a{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,255,255,.08);color:#fff;font-size:.875rem;
  transition:background .2s ease,transform .2s ease;
}
.foot-social a:hover{background:var(--primary);transform:translateY(-2px)}
.foot-col h4{color:#fff;font-size:1rem;margin-bottom:18px;font-weight:700}
.foot-col ul{display:grid;gap:11px}
.foot-col a,.foot-col span{font-size:.875rem;color:rgba(255,255,255,.62);transition:color .2s ease}
.foot-col a:hover{color:var(--accent)}
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding-top:24px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:.8125rem;color:rgba(255,255,255,.5);
}
.back-top{
  position:fixed;right:24px;bottom:28px;z-index:70;
  width:46px;height:46px;border-radius:50%;background:var(--grad);color:#fff;
  display:grid;place-items:center;box-shadow:0 12px 28px rgba(109,74,255,.36);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.back-top.show{opacity:1;visibility:visible;transform:translateY(0)}

/* ---------- responsive ---------- */
@media (max-width:1100px){
  .nav-search{min-width:170px}
  .frag-grid{grid-template-columns:repeat(2,1fr)}
  .news-wrap{grid-template-columns:1fr}
  .news-featured{grid-row:auto}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:980px){
  .section{padding:64px 0}
  .hero-grid{grid-template-columns:1fr;gap:44px;padding:52px 0 64px}
  .hero-media{order:-1}
  .float-tag-1{left:-8px}
  .float-tag-2{right:-6px}
  .checklist{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:40px 30px}
  .cta-actions{flex-direction:row;flex-wrap:wrap}
  .contact-grid{grid-template-columns:1fr}
  .nav-links{
    position:absolute;left:0;right:0;top:74px;
    flex-direction:column;align-items:stretch;gap:2px;padding:12px 24px 20px;
    background:#fff;border-bottom:1px solid var(--border);
    box-shadow:0 18px 40px rgba(23,19,31,.1);
    display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 14px;border-radius:var(--r-sm);font-size:1rem}
  .nav-search{display:none}
  .nav-toggle{display:flex}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .hero-stats{gap:24px}
  .frag-grid{display:flex;overflow-x:auto;gap:16px;padding-bottom:14px;scroll-snap-type:x mandatory}
  .frag-card{flex:0 0 220px;scroll-snap-align:start}
  .form-row{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .faq-q{padding:18px;font-size:.9375rem;gap:12px}
  .faq-a p{padding:0 18px 18px}
}
@media (max-width:520px){
  .hero h1{font-size:2rem}
  .hero-actions .btn{width:100%}
  .check-item{flex-direction:column;align-items:flex-start}
  .check-thumb{width:100%;height:150px}
  .review-card{flex:0 0 260px}
  .cta-band{padding:32px 22px}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
  .foot-grid{grid-template-columns:1fr}
  .site-footer{padding:52px 0 24px}
}

/* roulang page: article */
:root{
  --primary:#6D4AFF;
  --primary-deep:#4F31D6;
  --primary-soft:rgba(109,74,255,.10);
  --accent:#00D4C8;
  --warm:#FF7A3D;
  --bg:#F7F7FC;
  --card:#FFFFFF;
  --dark:#17131F;
  --text:#2B2635;
  --muted:#6B6579;
  --border:#E8E6F2;
  --ok:#16A34A;
  --warn:#F59E0B;
  --err:#EF4444;
  --grad:linear-gradient(135deg,#6D4AFF,#00D4C8);
  --grad-warm:linear-gradient(135deg,#FF7A3D,#FF4D8D);
  --r-lg:28px;
  --r-md:20px;
  --r-sm:14px;
  --shadow:0 8px 24px rgba(23,19,31,.06);
  --shadow-hv:0 16px 40px rgba(23,19,31,.12);
  --container:1240px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:1rem;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;background:#EFEEF7;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,opacity .2s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:800;letter-spacing:.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(109,74,255,.40);outline-offset:2px;border-radius:8px;}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ============ 按钮 / 徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:999px;border:1px solid transparent;
  font-weight:700;font-size:.9375rem;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,filter .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn:active{transform:scale(.98);}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(109,74,255,.28);}
.btn-primary:hover{filter:brightness(1.05);transform:translateY(-1px);box-shadow:0 12px 28px rgba(109,74,255,.34);}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--text);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px);}
.btn-warm{background:var(--grad-warm);color:#fff;box-shadow:0 8px 20px rgba(255,77,141,.24);}
.btn-warm:hover{filter:brightness(1.05);transform:translateY(-1px);}
.btn-sm{padding:9px 18px;font-size:.875rem;}
.btn-block{width:100%;}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:.75rem;font-weight:700;
  background:var(--primary-soft);color:var(--primary-deep);letter-spacing:.02em;
}
.badge-accent{background:rgba(0,212,200,.14);color:#00857F;}
.badge-warm{background:rgba(255,122,61,.14);color:#C2481A;}
.badge-dark{background:rgba(255,255,255,.12);color:#FFFFFF;backdrop-filter:blur(6px);}
.badge-line{background:#fff;border:1px solid var(--border);color:var(--muted);}
.num{font-variant-numeric:tabular-nums;font-weight:800;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:120;background:#fff;
  border-bottom:1px solid var(--border);
  box-shadow:0 2px 12px rgba(23,19,31,.04);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-size:1rem;
  box-shadow:0 6px 16px rgba(109,74,255,.30);
}
.logo-text{font-weight:800;font-size:1.125rem;color:var(--text);letter-spacing:.01em;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-links a{
  padding:9px 15px;border-radius:999px;font-size:.9375rem;font-weight:600;color:var(--muted);
}
.nav-links a:hover{color:var(--primary);background:var(--primary-soft);}
.nav-links a.active{color:var(--primary-deep);background:var(--primary-soft);}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{
  display:flex;align-items:center;gap:8px;height:42px;padding:0 14px;
  background:#F2F1F9;border:1px solid transparent;border-radius:999px;
  transition:background-color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.nav-search i{color:var(--muted);font-size:.875rem;}
.nav-search input{
  border:none;background:transparent;outline:none;width:168px;font-size:.875rem;
}
.nav-search input::placeholder{color:#A29CB5;}
.nav-search:focus-within{background:#fff;border-color:var(--primary);box-shadow:0 0 0 4px rgba(109,74,255,.14);}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border-radius:12px;border:1px solid var(--border);
  background:#fff;cursor:pointer;padding:0 11px;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--text);transition:transform .25s ease,opacity .25s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ 页面头部横幅 ============ */
.page-band{
  position:relative;overflow:hidden;background:#fff;
  border-bottom:1px solid var(--border);
  padding:30px 0 52px;
}
.page-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(180deg,rgba(255,255,255,.86),rgba(247,247,252,.94)),
                   url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.9;
}
.page-band::after{
  content:"";position:absolute;width:420px;height:420px;right:-120px;top:-180px;border-radius:50%;
  background:var(--grad);opacity:.16;filter:blur(30px);
}
.page-band .container{position:relative;z-index:2;}

.breadcrumb{
  display:inline-flex;align-items:center;flex-wrap:wrap;gap:8px;
  background:#fff;border:1px solid var(--border);border-radius:999px;
  padding:8px 18px;font-size:.8125rem;color:var(--muted);margin-bottom:26px;
}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb i{font-size:.625rem;color:#B4AFC4;}
.breadcrumb .current{color:var(--primary-deep);font-weight:700;}

.article-head{max-width:900px;}
.article-head h1{
  font-size:clamp(1.75rem,3.7vw,2.75rem);
  line-height:1.28;margin:16px 0 18px;letter-spacing:-.01em;
}
.article-lead{font-size:1.0625rem;line-height:1.9;color:var(--muted);max-width:820px;}
.meta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.meta-pill{
  display:inline-flex;align-items:center;gap:7px;
  background:#fff;border:1px solid var(--border);border-radius:999px;
  padding:7px 15px;font-size:.8125rem;color:var(--muted);font-weight:600;
}
.meta-pill i{color:var(--primary);font-size:.75rem;}

/* ============ 文章主体布局 ============ */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:40px;align-items:start;
  padding-top:52px;padding-bottom:72px;
}
.article-main{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--shadow);padding:36px 44px 40px;
}
.article-cover{margin:0 0 32px;border-radius:20px;overflow:hidden;background:#EFEEF7;}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.article-cover figcaption{
  font-size:.8125rem;color:var(--muted);text-align:center;padding:12px 8px 0;background:#fff;
}

.article-body{font-size:1.0625rem;line-height:2;color:var(--text);}
.article-body>*:first-child{margin-top:0;}
.article-body h2{
  position:relative;font-size:clamp(1.375rem,2.4vw,1.75rem);
  margin:2.2em 0 .9em;padding-left:18px;color:var(--dark);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:5px;border-radius:4px;background:var(--grad);
}
.article-body h3{font-size:1.1875rem;margin:1.8em 0 .7em;color:var(--dark);}
.article-body p{margin:0 0 1.35em;}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.5em;}
.article-body ul li{list-style:disc;margin-bottom:.6em;}
.article-body ol li{list-style:decimal;margin-bottom:.6em;}
.article-body li::marker{color:var(--primary);font-weight:700;}
.article-body a{color:var(--primary-deep);text-decoration:underline;text-decoration-color:rgba(109,74,255,.35);text-underline-offset:3px;}
.article-body a:hover{color:var(--primary);text-decoration-color:var(--primary);}
.article-body img{border-radius:16px;margin:1.6em auto;width:100%;height:auto;}
.article-body blockquote{
  margin:1.6em 0;padding:18px 24px;background:#F5F4FC;
  border-left:4px solid var(--primary);border-radius:0 16px 16px 0;color:#4C4660;font-size:1rem;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body figure{margin:1.8em 0;}
.article-body figcaption{font-size:.8125rem;color:var(--muted);text-align:center;margin-top:10px;}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:.9375rem;}
.article-body th,.article-body td{border:1px solid var(--border);padding:12px 14px;text-align:left;}
.article-body th{background:#F5F4FC;font-weight:700;}
.article-body hr{border:none;height:1px;background:var(--border);margin:2.4em 0;}

.empty-state{
  text-align:center;padding:64px 24px;border:1px dashed var(--border);
  border-radius:var(--r-md);background:#FBFAFF;
}
.empty-state i{font-size:2.25rem;color:var(--primary);opacity:.55;}
.empty-state h3{margin:18px 0 8px;font-size:1.25rem;}
.empty-state p{color:var(--muted);font-size:.9375rem;margin-bottom:22px;}

.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:38px;padding-top:28px;border-top:1px solid var(--border);}
.tag-row a:hover{border-color:var(--primary);color:var(--primary);}

.share-row{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px;
  margin-top:22px;padding:18px 20px;background:#F8F7FD;border-radius:var(--r-md);
}
.share-row span{font-size:.875rem;color:var(--muted);font-weight:600;margin-right:4px;}
.share-row a{
  width:38px;height:38px;border-radius:50%;background:#fff;border:1px solid var(--border);
  display:grid;place-items:center;color:var(--muted);font-size:.875rem;
}
.share-row a:hover{color:#fff;background:var(--grad);border-color:transparent;transform:translateY(-2px);}

.post-nav{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}

/* ============ 侧栏 ============ */
.article-side{position:sticky;top:96px;display:grid;gap:20px;}
.side-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--shadow);
}
.side-card h3{font-size:1rem;margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.side-card h3 i{color:var(--primary);font-size:.875rem;}
.toc-list{display:grid;gap:4px;}
.toc-list a{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:12px;
  font-size:.9375rem;color:var(--muted);font-weight:600;
}
.toc-list a::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--border);flex-shrink:0;transition:background-color .2s;}
.toc-list a:hover{background:var(--primary-soft);color:var(--primary-deep);}
.toc-list a:hover::before{background:var(--primary);}
.mini-post{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--border);}
.mini-post:last-child{border-bottom:none;padding-bottom:0;}
.mini-post:first-of-type{padding-top:0;}
.mini-post img{width:64px;height:64px;border-radius:12px;object-fit:cover;flex-shrink:0;}
.mini-post h4{font-size:.9375rem;line-height:1.5;margin-bottom:6px;}
.mini-post a:hover h4{color:var(--primary);}
.mini-post span{font-size:.75rem;color:var(--muted);}
.hot-tags{display:flex;flex-wrap:wrap;gap:9px;}
.hot-tags a{
  padding:7px 14px;border-radius:999px;background:#F5F4FC;color:var(--muted);
  font-size:.8125rem;font-weight:600;
}
.hot-tags a:hover{background:var(--grad);color:#fff;}

/* ============ 通用板块 ============ */
.section{padding:72px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head h2{font-size:clamp(1.5rem,2.8vw,2.1rem);}
.section-head p{color:var(--muted);font-size:.9375rem;margin-top:10px;max-width:620px;}
.section-head .more{font-size:.875rem;font-weight:700;color:var(--primary-deep);display:inline-flex;align-items:center;gap:6px;}
.section-head .more:hover{gap:10px;}

.card-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.pick-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease;
}
.pick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hv);}
.pick-card .thumb{position:relative;overflow:hidden;background:#EFEEF7;}
.pick-card .thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease;}
.pick-card:hover .thumb img{transform:scale(1.03);}
.pick-card .thumb .badge{position:absolute;left:12px;top:12px;}
.pick-card .body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.pick-card h3{font-size:1.0625rem;line-height:1.5;margin-bottom:10px;}
.pick-card:hover h3{color:var(--primary);}
.pick-card p{font-size:.875rem;color:var(--muted);line-height:1.75;margin-bottom:16px;}
.pick-card .foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:.8125rem;color:var(--muted);}
.pick-card .foot i{color:var(--primary);}

/* ============ 口碑条 ============ */
.voice-track{
  display:flex;gap:20px;overflow-x:auto;padding:6px 4px 22px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.voice-track::-webkit-scrollbar{height:6px;}
.voice-track::-webkit-scrollbar-thumb{background:#D8D5E8;border-radius:999px;}
.voice-card{
  flex:0 0 320px;scroll-snap-align:start;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-md);padding:22px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease;
}
.voice-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hv);}
.voice-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.avatar{
  width:42px;height:42px;border-radius:50%;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:.9375rem;flex-shrink:0;
}
.voice-top strong{display:block;font-size:.9375rem;}
.voice-top em{font-style:normal;font-size:.75rem;color:var(--muted);}
.stars{color:var(--warm);font-size:.75rem;letter-spacing:2px;margin-bottom:10px;}
.voice-card p{font-size:.9375rem;color:var(--muted);line-height:1.8;}
.voice-card .badge{margin-top:16px;}

/* ============ FAQ ============ */
.faq-list{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  overflow:hidden;transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-item+.faq-item{margin-top:14px;}
.faq-item[open]{box-shadow:var(--shadow);border-color:#DCD8F0;}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:18px;padding:20px 24px;font-weight:700;font-size:1.0625rem;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:1.5rem;line-height:1;color:var(--primary);
  transition:transform .25s ease;flex-shrink:0;
}
.faq-item[open] summary::after{content:"−";transform:rotate(180deg);}
.faq-body{padding:0 24px 22px;color:var(--muted);font-size:.9375rem;line-height:1.85;}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;background:var(--dark);color:#fff;
  border-radius:var(--r-lg);padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta-band::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);}
.cta-band::after{
  content:"";position:absolute;width:340px;height:340px;right:-100px;bottom:-180px;border-radius:50%;
  background:var(--grad);opacity:.22;filter:blur(24px);
}
.cta-band .cta-text{position:relative;z-index:2;max-width:640px;}
.cta-band h2{font-size:clamp(1.5rem,2.8vw,2.1rem);margin-bottom:14px;}
.cta-band p{color:#B9B3C9;font-size:.9375rem;line-height:1.85;}
.cta-metrics{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.cta-metrics span{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.14);
  font-size:.8125rem;font-weight:700;color:#fff;
}
.cta-actions{position:relative;z-index:2;display:flex;flex-direction:column;gap:12px;min-width:190px;}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;background:var(--dark);color:#C6C1D4;
  padding:64px 0 28px;margin-top:80px;
}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad);}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.foot-brand .logo-text{color:#fff;}
.foot-brand p{font-size:.875rem;line-height:1.9;color:#9C96AE;margin:18px 0 20px;max-width:340px;}
.foot-social{display:flex;gap:10px;}
.foot-social a{
  width:38px;height:38px;border-radius:12px;background:rgba(255,255,255,.08);
  display:grid;place-items:center;color:#CFCADD;font-size:.875rem;
}
.foot-social a:hover{background:var(--grad);color:#fff;transform:translateY(-2px);}
.foot-col h4{font-size:1rem;color:#fff;margin-bottom:16px;}
.foot-col ul{display:grid;gap:11px;}
.foot-col li{font-size:.875rem;color:#9C96AE;}
.foot-col li a:hover{color:#fff;}
.foot-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  font-size:.8125rem;color:#8A8499;
}
.to-top{
  position:fixed;right:26px;bottom:26px;width:48px;height:48px;border-radius:50%;
  background:var(--grad);color:#fff;border:none;cursor:pointer;
  display:grid;place-items:center;box-shadow:0 10px 24px rgba(109,74,255,.35);
  opacity:0;visibility:hidden;transition:opacity .25s ease,transform .25s ease,visibility .25s;
  z-index:130;
}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{transform:translateY(-3px);}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .nav-search input{width:130px;}
  .container{padding:0 20px;}
}
@media (max-width:1024px){
  .nav-links{
    position:fixed;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:#fff;margin:0;padding:14px 20px 22px;gap:4px;
    border-bottom:1px solid var(--border);box-shadow:var(--shadow-hv);
    transform:translateY(-14px);opacity:0;visibility:hidden;
    transition:transform .25s ease,opacity .25s ease,visibility .25s;
  }
  .nav-links.open{transform:none;opacity:1;visibility:visible;}
  .nav-links a{padding:13px 14px;font-size:1rem;}
  .nav-search{display:none;}
  .nav-toggle{display:flex;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .article-side{position:static;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px;}
  .cta-actions{width:100%;flex-direction:row;flex-wrap:wrap;}
  .cta-actions .btn{flex:1 1 160px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .foot-brand{grid-column:1 / -1;}
}
@media (max-width:768px){
  .section{padding:52px 0;}
  .article-main{padding:26px 22px 30px;}
  .article-head h1{font-size:1.65rem;}
  .article-lead{font-size:1rem;}
  .article-body{font-size:1rem;line-height:1.95;}
  .voice-card{flex:0 0 268px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
}
@media (max-width:640px){
  .container{padding:0 16px;}
  .nav-wrap{gap:12px;height:66px;}
  .logo-text{font-size:1rem;}
  .logo-mark{width:34px;height:34px;border-radius:10px;}
  .nav-links{top:66px;}
  .nav-actions .btn-sm{padding:8px 14px;font-size:.8125rem;}
  .card-grid{grid-template-columns:minmax(0,1fr);}
  .page-band{padding:22px 0 38px;}
  .breadcrumb{font-size:.75rem;padding:7px 14px;margin-bottom:20px;}
  .article-layout{padding-top:32px;padding-bottom:48px;}
  .cta-band{padding:32px 22px;border-radius:22px;}
  .cta-actions .btn{flex:1 1 100%;}
  .foot-grid{grid-template-columns:1fr;}
  .to-top{right:16px;bottom:16px;width:44px;height:44px;}
  .site-footer{margin-top:56px;padding-top:48px;}
}

/* roulang page: category1 */
:root{
  --primary:#6D4AFF;
  --primary-deep:#5533E0;
  --accent:#00D4C8;
  --warm:#FF7A3D;
  --bg:#F7F7FC;
  --card:#FFFFFF;
  --dark:#17131F;
  --text:#2B2635;
  --muted:#6B6579;
  --border:#E8E6F2;
  --success:#16A34A;
  --warning:#F59E0B;
  --danger:#EF4444;
  --grad:linear-gradient(135deg,#6D4AFF,#00D4C8);
  --grad-warm:linear-gradient(135deg,#FF7A3D,#FF4D8D);
  --r-lg:28px;
  --r-md:22px;
  --r-sm:14px;
  --shadow:0 8px 24px rgba(23,19,31,.06);
  --shadow-hover:0 16px 40px rgba(23,19,31,.12);
  --sec-pad:88px;
  --font-cn:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
input,textarea{font-family:inherit;font-size:1rem}
:focus-visible{outline:2px solid rgba(109,74,255,.55);outline-offset:2px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec-pad) 0}
.section-tight{padding:64px 0}
.section-white{background:#fff}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--border);
  box-shadow:0 2px 12px rgba(23,19,31,.04);
}
.nav-wrap{display:flex;align-items:center;gap:20px;height:74px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.0625rem;letter-spacing:.2px;white-space:nowrap}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:15px;
  box-shadow:0 8px 18px rgba(109,74,255,.3);
  flex:0 0 auto;
}
.logo-text{color:var(--text)}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:10px}
.nav-links a{
  display:inline-block;
  padding:9px 15px;border-radius:999px;
  font-size:.9375rem;font-weight:500;color:var(--muted);
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:var(--primary);background:rgba(109,74,255,.07)}
.nav-links a.active{color:var(--primary);background:rgba(109,74,255,.11);font-weight:700}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{
  display:flex;align-items:center;gap:9px;
  height:44px;padding:0 16px;
  background:var(--bg);border:1px solid var(--border);border-radius:999px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 4px rgba(109,74,255,.14)}
.nav-search i{font-size:13px;color:var(--muted)}
.nav-search input{
  width:172px;border:0;background:transparent;outline:none;
  font-size:.875rem;color:var(--text);
}
.nav-search input::placeholder{color:#9C97A8}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  width:44px;height:44px;border-radius:13px;
  background:#fff;border:1px solid var(--border);
  transition:border-color .2s ease,background .2s ease;
}
.nav-toggle:hover{border-color:var(--primary)}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .22s ease,opacity .22s ease}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:999px;
  font-weight:700;letter-spacing:.2px;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-sm{height:44px;padding:0 22px;font-size:.875rem}
.btn-lg{height:54px;padding:0 32px;font-size:1rem}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(109,74,255,.26)}
.btn-primary:hover{filter:brightness(1.05);transform:translateY(-1px);box-shadow:0 14px 32px rgba(109,74,255,.34)}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--text)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px)}
.btn-light{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.3);color:#fff}
.btn-light:hover{background:rgba(255,255,255,.24);transform:translateY(-1px)}
.btn:active{transform:scale(.98)}
.btn:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(109,74,255,.35)}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:.75rem;font-weight:700;letter-spacing:.3px;
  font-variant-numeric:tabular-nums;
  background:rgba(109,74,255,.1);color:var(--primary);
}
.badge-accent{background:rgba(0,212,200,.15);color:#0A8A84}
.badge-warm{background:rgba(255,122,61,.15);color:#D1551C}
.badge-soft{background:rgba(23,19,31,.06);color:var(--muted)}
.badge-float{
  position:absolute;top:14px;left:14px;z-index:2;
  background:rgba(23,19,31,.74);color:#fff;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.badge-float-right{left:auto;right:14px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  font-size:.8125rem;font-weight:700;letter-spacing:.6px;
  color:var(--primary);
  background:#fff;
  border:1px solid rgba(109,74,255,.25);
  box-shadow:0 6px 16px rgba(109,74,255,.08);
  margin-bottom:18px;
}
.eyebrow i{font-size:12px}

/* ============ Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  background:var(--dark);color:#fff;
  padding:58px 0 76px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.4;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(23,19,31,.94) 0%,rgba(23,19,31,.78) 46%,rgba(85,51,224,.62) 100%);
}
.cat-hero .container{position:relative;z-index:2}
.breadcrumb{
  display:inline-flex;align-items:center;gap:9px;flex-wrap:wrap;
  padding:8px 16px;border-radius:999px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.2);
  font-size:.8125rem;color:rgba(255,255,255,.78);
  margin-bottom:28px;
}
.breadcrumb a{transition:color .2s ease}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .current{color:#fff;font-weight:700}
.breadcrumb i{font-size:10px;opacity:.7}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:48px;align-items:center}
.cat-hero h1{
  font-size:clamp(2rem,4.4vw,3.25rem);
  font-weight:800;line-height:1.24;letter-spacing:-.5px;
  margin-bottom:20px;
}
.cat-hero h1 em{
  font-style:normal;
  background:linear-gradient(135deg,#00D4C8,#FF7A3D);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{
  font-size:1.0625rem;line-height:1.95;
  color:rgba(255,255,255,.8);
  max-width:640px;margin-bottom:30px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px}
.stat-pill{
  display:flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:16px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
}
.stat-pill strong{
  font-size:1.125rem;font-variant-numeric:tabular-nums;
  background:linear-gradient(135deg,#00D4C8,#6D4AFF);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-pill span{font-size:.8125rem;color:rgba(255,255,255,.74)}

.hero-panel{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-lg);
  padding:28px;
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  box-shadow:0 24px 60px rgba(0,0,0,.28);
}
.hero-panel h3{
  font-size:1rem;font-weight:700;margin-bottom:6px;
  display:flex;align-items:center;gap:9px;
}
.hero-panel h3 i{color:var(--accent)}
.hero-panel > p{font-size:.8125rem;color:rgba(255,255,255,.62);margin-bottom:20px}
.panel-list li{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:13px 0;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:.875rem;color:rgba(255,255,255,.82);
}
.panel-list li:first-child{border-top:0;padding-top:4px}
.panel-list li b{
  font-weight:700;color:#fff;font-variant-numeric:tabular-nums;
  background:rgba(0,212,200,.16);color:#7EF3EC;
  padding:3px 11px;border-radius:999px;font-size:.75rem;
}

/* ============ 板块标题 ============ */
.section-head{max-width:760px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{
  font-size:clamp(1.5rem,2.8vw,2.25rem);
  font-weight:800;line-height:1.35;letter-spacing:-.3px;
  margin-bottom:14px;
}
.section-head p{color:var(--muted);font-size:1rem;line-height:1.9}
.divider-grad{
  width:56px;height:4px;border-radius:999px;background:var(--grad);
  margin-bottom:20px;
}
.center .divider-grad{margin-left:auto;margin-right:auto}

/* ============ 栅格 ============ */
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}

/* ============ 卡片 ============ */
.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--r-md);
  padding:26px;
  box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(109,74,255,.32)}
.card h3{font-size:1.125rem;font-weight:700;margin-bottom:10px;line-height:1.5}
.card p{color:var(--muted);font-size:.9375rem;line-height:1.85}
.card-icon{
  width:52px;height:52px;border-radius:16px;
  display:grid;place-items:center;font-size:20px;color:#fff;
  background:var(--grad);
  box-shadow:0 10px 22px rgba(109,74,255,.24);
  margin-bottom:20px;
}
.card-icon.teal{background:linear-gradient(135deg,#00D4C8,#3AA0FF);box-shadow:0 10px 22px rgba(0,212,200,.26)}
.card-icon.orange{background:var(--grad-warm);box-shadow:0 10px 22px rgba(255,122,61,.26)}
.card-icon.dark{background:linear-gradient(135deg,#2B2635,#6B6579);box-shadow:0 10px 22px rgba(43,38,53,.24)}

/* ============ 资讯卡 ============ */
.news-card{
  overflow:hidden;padding:0;display:flex;flex-direction:column;
}
.news-thumb{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:linear-gradient(135deg,#6D4AFF,#00D4C8);
}
.news-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .45s ease;
}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1}
.news-meta{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:.75rem;color:var(--muted);margin-bottom:12px;
  font-variant-numeric:tabular-nums;
}
.news-body h3{font-size:1.0625rem;font-weight:700;line-height:1.55;margin-bottom:10px;transition:color .2s ease}
.news-card:hover .news-body h3{color:var(--primary)}
.news-body p{font-size:.875rem;color:var(--muted);line-height:1.8;margin-bottom:18px}
.news-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;font-size:.8125rem;color:var(--muted);
}
.news-foot .link-more{color:var(--primary);font-weight:700;display:inline-flex;align-items:center;gap:6px;transition:gap .2s ease}
.news-card:hover .news-foot .link-more{gap:10px}

/* ============ 场景列表 ============ */
.scene-item{
  display:flex;gap:18px;align-items:flex-start;
  padding:24px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.scene-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(0,212,200,.4)}
.scene-num{
  flex:0 0 auto;
  width:44px;height:44px;border-radius:14px;
  display:grid;place-items:center;
  font-weight:800;font-size:.9375rem;
  font-variant-numeric:tabular-nums;
  color:var(--primary);background:rgba(109,74,255,.1);
}
.scene-item h3{font-size:1.0625rem;font-weight:700;margin-bottom:8px}
.scene-item p{color:var(--muted);font-size:.9063rem;line-height:1.85}

/* ============ 表单 ============ */
.form-wrap{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:48px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:46px;box-shadow:var(--shadow);
  position:relative;overflow:hidden;
}
.form-wrap::after{
  content:"";position:absolute;top:-90px;right:-90px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(109,74,255,.16),transparent 68%);
  pointer-events:none;
}
.form-info h2{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:800;line-height:1.4;margin-bottom:16px}
.form-info p{color:var(--muted);line-height:1.9;margin-bottom:22px}
.form-points li{
  display:flex;align-items:flex-start;gap:11px;
  font-size:.9063rem;color:var(--text);margin-bottom:12px;
}
.form-points i{color:var(--accent);margin-top:6px;font-size:13px}
.form-grid{display:grid;gap:16px;position:relative;z-index:2}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:.8125rem;font-weight:700;color:var(--text)}
.field input,.field textarea{
  height:48px;padding:0 16px;
  border:1px solid var(--border);border-radius:var(--r-sm);
  background:#FCFCFE;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
  outline:none;
}
.field textarea{height:120px;padding:13px 16px;resize:vertical;line-height:1.7}
.field input::placeholder,.field textarea::placeholder{color:#A9A4B6}
.field input:focus,.field textarea:focus{
  border-color:var(--primary);background:#fff;
  box-shadow:0 0 0 4px rgba(109,74,255,.13);
}
.field.error input,.field.error textarea{border-color:var(--danger);background:#FFF7F7}
.field .err{font-size:.75rem;color:var(--danger);display:none}
.field.error .err{display:block}
.form-tip{
  margin-top:14px;font-size:.875rem;font-weight:600;
  display:none;align-items:center;gap:8px;
  padding:12px 16px;border-radius:var(--r-sm);
}
.form-tip.show{display:flex}
.form-tip.ok{background:rgba(22,163,74,.1);color:var(--success)}
.form-tip.bad{background:rgba(239,68,68,.1);color:var(--danger)}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:20px;
  box-shadow:var(--shadow);overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:rgba(109,74,255,.35);box-shadow:var(--shadow-hover)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;background:transparent;border:0;text-align:left;
  font-size:1rem;font-weight:700;color:var(--text);line-height:1.6;
}
.faq-q i{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;font-size:12px;
  color:var(--primary);background:rgba(109,74,255,.1);
  transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-item.open .faq-q i{transform:rotate(45deg);background:var(--grad);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a-inner{padding:0 26px 24px;color:var(--muted);font-size:.9375rem;line-height:1.9}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  background:var(--dark);
  color:#fff;
  padding:52px 54px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
  box-shadow:0 24px 60px rgba(23,19,31,.22);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(109,74,255,.5),rgba(0,212,200,.24) 55%,rgba(255,122,61,.3));
  opacity:.55;
}
.cta-band .cta-inner{position:relative;z-index:2;max-width:640px}
.cta-band h2{font-size:clamp(1.375rem,2.5vw,2rem);font-weight:800;line-height:1.4;margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.78);font-size:.9375rem}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}
.cta-tags{position:relative;z-index:2;display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}
.cta-tags .badge{background:rgba(255,255,255,.14);color:#fff}

/* ============ 空态 ============ */
.empty-state{
  text-align:center;padding:56px 24px;
  background:#fff;border:1px dashed var(--border);border-radius:var(--r-md);
}
.empty-state i{font-size:30px;color:var(--primary);opacity:.5;margin-bottom:14px;display:block}
.empty-state p{color:var(--muted);font-size:.9375rem;margin-bottom:18px}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);
  color:rgba(255,255,255,.72);
  border-top:2px solid transparent;
  background-image:linear-gradient(var(--dark),var(--dark)),linear-gradient(135deg,#6D4AFF,#00D4C8);
  background-origin:border-box;
  background-clip:padding-box,border-box;
  padding:72px 0 28px;
  margin-top:96px;
}
.foot-grid{
  display:grid;
  grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));
  gap:44px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.foot-brand .logo{margin-bottom:18px}
.foot-brand .logo-text{color:#fff}
.foot-brand p{font-size:.875rem;line-height:1.9;color:rgba(255,255,255,.62);max-width:360px}
.foot-social{display:flex;gap:10px;margin-top:22px}
.foot-social a{
  width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  color:rgba(255,255,255,.8);font-size:14px;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.foot-social a:hover{background:var(--grad);color:#fff;transform:translateY(-2px);border-color:transparent}
.foot-col h4{font-size:.9375rem;font-weight:700;color:#fff;margin-bottom:18px}
.foot-col ul li{margin-bottom:12px;font-size:.875rem}
.foot-col ul li a{color:rgba(255,255,255,.66);transition:color .2s ease}
.foot-col ul li a:hover{color:var(--accent)}
.foot-col ul li span{color:rgba(255,255,255,.55)}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding-top:24px;font-size:.8125rem;color:rgba(255,255,255,.5);
}
.to-top{
  width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--grad);color:#fff;border:0;font-size:15px;
  box-shadow:0 10px 22px rgba(109,74,255,.34);
  transition:transform .2s ease,filter .2s ease;
}
.to-top:hover{transform:translateY(-3px);filter:brightness(1.06)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  :root{--sec-pad:68px}
  .nav-links{
    position:absolute;top:74px;left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 20px 20px;margin:0;
    background:#fff;border-bottom:1px solid var(--border);
    box-shadow:0 18px 36px rgba(23,19,31,.1);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 16px;border-radius:14px;font-size:.9375rem}
  .nav-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-panel{max-width:560px}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .form-wrap{grid-template-columns:1fr;padding:34px;gap:32px}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .nav-search{display:none}
  .cat-hero{padding:40px 0 56px}
  .hero-stats{gap:10px}
  .stat-pill{padding:10px 14px}
  .cta-band{padding:36px 26px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .grid-2{grid-template-columns:1fr}
  .faq-q{padding:18px 20px;font-size:.9375rem}
  .faq-a-inner{padding:0 20px 20px}
}
@media (max-width:640px){
  .container{padding:0 18px}
  .grid-3,.grid-4{grid-template-columns:1fr}
  .logo-text{font-size:.95rem}
  .nav-wrap{height:68px;gap:12px}
  .nav-links{top:68px}
  .foot-grid{grid-template-columns:1fr;gap:30px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
  .form-wrap{padding:26px 20px;border-radius:22px}
  .card{padding:22px}
  .btn-lg{height:50px;padding:0 24px;font-size:.9375rem}
  .hero-actions .btn{width:100%}
}
@media (max-width:360px){
  .cat-hero h1{font-size:1.75rem}
  .badge{font-size:.7rem;padding:4px 10px}
}

/* roulang page: category2 */
:root{
  --brand:#6D4AFF;
  --brand-2:#00D4C8;
  --accent:#FF7A3D;
  --accent-2:#FF4D8D;
  --bg:#F7F7FC;
  --card:#FFFFFF;
  --dark:#17131F;
  --text:#2B2635;
  --muted:#6B6579;
  --line:#E8E6F2;
  --success:#16A34A;
  --warning:#F59E0B;
  --danger:#EF4444;
  --grad:linear-gradient(135deg,#6D4AFF,#00D4C8);
  --grad-accent:linear-gradient(135deg,#FF7A3D,#FF4D8D);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:20px;
  --r-sm:14px;
  --sh:0 8px 24px rgba(23,19,31,.06);
  --sh-hover:0 16px 40px rgba(23,19,31,.12);
  --container:1240px;
}
*,
*::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:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{line-height:1.35;font-weight:800;letter-spacing:.01em;}
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible{outline:3px solid rgba(109,74,255,.4);outline-offset:2px;border-radius:8px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:72px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:12px;
  background:var(--grad);
  color:#fff;
  font-size:16px;
  box-shadow:0 6px 16px rgba(109,74,255,.28);
}
.logo-text{font-size:17px;font-weight:800;letter-spacing:.02em;color:var(--text);white-space:nowrap;}
.nav-links{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:8px;
}
.nav-links a{
  display:inline-block;
  padding:8px 14px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:var(--muted);
  transition:color .2s,background .2s,transform .2s;
}
.nav-links a:hover{color:var(--brand);background:rgba(109,74,255,.08);}
.nav-links a.active{
  color:var(--brand);
  background:rgba(109,74,255,.1);
  font-weight:700;
}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.nav-search{
  display:flex;
  align-items:center;
  gap:8px;
  padding:0 14px;
  height:42px;
  width:230px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:999px;
  color:var(--muted);
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.nav-search:focus-within{
  border-color:var(--brand);
  background:#fff;
  box-shadow:0 0 0 4px rgba(109,74,255,.12);
}
.nav-search i{font-size:13px;color:var(--muted);}
.nav-search input{
  flex:1;
  min-width:0;
  height:100%;
  border:0;
  background:transparent;
  outline:none;
  font-size:14px;
}
.nav-search input::placeholder{color:#9B96A8;}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  padding:11px 10px;
  flex-direction:column;
  justify-content:space-between;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--text);transition:transform .25s,opacity .25s;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:700;
  line-height:1;
  white-space:nowrap;
  transition:transform .2s,filter .2s,box-shadow .2s,background .2s,color .2s,border-color .2s;
  border:1px solid transparent;
}
.btn:hover{transform:translateY(-1px);filter:brightness(1.05);}
.btn:active{transform:scale(.98);}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(109,74,255,.28);}
.btn-primary:hover{box-shadow:var(--sh-hover);}
.btn-ghost{background:#fff;color:var(--text);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);}
.btn-light{background:#fff;color:var(--brand);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.44);}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.12);}
.btn-block{width:100%;}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:20px 0 0;}
.crumb{
  display:inline-flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  padding:8px 16px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  font-size:13.5px;
  color:var(--muted);
}
.crumb a{color:var(--muted);transition:color .2s;}
.crumb a:hover{color:var(--brand);}
.crumb i{font-size:10px;color:#B8B3C6;}
.crumb .current{color:var(--brand);font-weight:700;}

/* ---------- Hero ---------- */
.cat-hero{padding:28px 0 0;}
.hero-box{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-xl);
  background-image:linear-gradient(120deg,rgba(23,19,31,.9),rgba(40,26,82,.78)),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:52px 48px;
  box-shadow:var(--sh);
}
.hero-box::after{
  content:"";
  position:absolute;
  right:-120px;top:-120px;
  width:360px;height:360px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(0,212,200,.42),transparent 68%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:760px;}
.hero-tag-line{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px;}
.chip{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.26);
  color:#fff;
}
.chip-accent{background:rgba(255,122,61,.22);border-color:rgba(255,122,61,.5);}
.hero-box h1{
  font-size:clamp(2rem,4.4vw,3.1rem);
  font-weight:800;
  letter-spacing:.01em;
}
.hero-box h1 em{
  font-style:normal;
  background:var(--grad-accent);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  margin-top:18px;
  font-size:16.5px;
  line-height:1.9;
  color:rgba(255,255,255,.86);
  max-width:660px;
}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.stat-box{
  min-width:150px;
  padding:16px 20px;
  border-radius:var(--r-md);
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);
}
.stat-box strong{display:block;font-size:24px;font-weight:800;letter-spacing:.02em;}
.stat-box span{font-size:13px;color:rgba(255,255,255,.72);}

/* ---------- 栏目说明 ---------- */
.intro-card{
  margin-top:26px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 30px;
  box-shadow:var(--sh);
}
.intro-card h2{
  font-size:18px;
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:10px;
}
.intro-card h2::before{
  content:"";
  width:6px;height:20px;
  border-radius:4px;
  background:var(--grad);
}
.intro-card p{color:var(--muted);font-size:15.5px;line-height:1.95;}

/* ---------- 板块通用 ---------- */
.section{padding:72px 0 0;}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head h2{
  font-size:clamp(1.5rem,3vw,2.1rem);
}
.section-head p{margin-top:12px;color:var(--muted);font-size:15.5px;}

/* ---------- 筛选胶囊 ---------- */
.filter-bar{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding-bottom:6px;
  margin-bottom:28px;
  scrollbar-width:none;
}
.filter-bar::-webkit-scrollbar{display:none;}
.filter-btn{
  flex:0 0 auto;
  padding:9px 18px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  color:var(--muted);
  font-size:14px;
  font-weight:600;
  transition:all .2s;
}
.filter-btn:hover{border-color:var(--brand);color:var(--brand);}
.filter-btn.active{
  background:var(--grad);
  border-color:transparent;
  color:#fff;
  box-shadow:0 8px 18px rgba(109,74,255,.24);
}

/* ---------- 卡片网格 ---------- */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.up-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.up-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(109,74,255,.28);}
.card-media{
  position:relative;
  aspect-ratio:16/10;
  background:linear-gradient(135deg,#EDE9FF,#DFF6F4);
  overflow:hidden;
}
.card-media .ph{
  position:absolute;
  inset:0;
  display:grid;
  place-items:center;
  color:rgba(109,74,255,.4);
  font-size:30px;
}
.card-media img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.up-card:hover .card-media img{transform:scale(1.03);}
.badge{
  position:absolute;
  z-index:3;
  display:inline-flex;
  align-items:center;
  gap:5px;
  padding:5px 12px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:700;
  background:rgba(23,19,31,.72);
  color:#fff;
  backdrop-filter:blur(4px);
}
.badge-left{left:12px;top:12px;}
.badge-right{right:12px;top:12px;background:rgba(255,255,255,.92);color:var(--brand);}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:17.5px;transition:color .2s;}
.up-card:hover .card-body h3{color:var(--brand);}
.card-body p{font-size:14.5px;color:var(--muted);line-height:1.85;}
.card-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding-top:14px;
  border-top:1px dashed var(--line);
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:4px 12px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  background:rgba(0,212,200,.12);
  color:#0B8C86;
}
.tag-purple{background:rgba(109,74,255,.12);color:var(--brand);}
.tag-orange{background:rgba(255,122,61,.14);color:#C9501B;}
.card-foot time{font-size:13px;color:var(--muted);}
.card-foot .more{font-size:13.5px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.card-foot .more i{transition:transform .2s;}
.up-card:hover .card-foot .more i{transform:translateX(3px);}
.is-hidden{display:none !important;}

/* ---------- 深色数据面板 ---------- */
.dark-panel{
  position:relative;
  overflow:hidden;
  background:var(--dark);
  border-radius:var(--r-xl);
  padding:44px 46px;
  color:#fff;
  box-shadow:var(--sh);
}
.dark-panel::before{
  content:"";
  position:absolute;
  left:0;top:0;right:0;
  height:2px;
  background:var(--grad);
}
.dark-panel::after{
  content:"";
  position:absolute;
  right:-140px;bottom:-160px;
  width:380px;height:380px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(109,74,255,.4),transparent 70%);
}
.dark-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1.1fr 1fr;
  gap:44px;
  align-items:center;
}
.dark-panel h2{font-size:clamp(1.4rem,2.6vw,1.95rem);color:#fff;}
.dark-panel .lead{margin-top:14px;color:rgba(255,255,255,.76);font-size:15.5px;line-height:1.95;}
.metric-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
}
.metric{
  padding:20px 22px;
  border-radius:var(--r-md);
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
}
.metric strong{display:block;font-size:28px;font-weight:800;line-height:1.2;}
.metric strong em{
  font-style:normal;
  font-size:14px;
  font-weight:600;
  color:rgba(255,255,255,.6);
  margin-left:4px;
}
.metric span{display:block;margin-top:6px;font-size:13px;color:rgba(255,255,255,.66);}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:border-color .2s,box-shadow .2s;
}
.faq-item.open{border-color:rgba(109,74,255,.32);box-shadow:var(--sh);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  text-align:left;
  padding:20px 24px;
  font-size:16px;
  font-weight:700;
  color:var(--text);
}
.faq-q .faq-tag{
  flex:0 0 auto;
  padding:3px 11px;
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  background:rgba(109,74,255,.1);
  color:var(--brand);
  margin-right:12px;
}
.faq-q .q-text{flex:1;display:flex;align-items:center;flex-wrap:wrap;}
.faq-icon{
  flex:0 0 auto;
  width:30px;height:30px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:rgba(109,74,255,.1);
  color:var(--brand);
  font-size:13px;
  transition:transform .25s,background .25s,color .25s;
}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--grad);color:#fff;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .25s ease;
}
.faq-a p{padding:0 24px 22px;color:var(--muted);font-size:15px;line-height:1.95;}

/* ---------- CTA + 表单 ---------- */
.cta-wrap{padding:76px 0 0;}
.cta-box{
  position:relative;
  overflow:hidden;
  border-radius:var(--r-xl);
  background:var(--dark);
  color:#fff;
  padding:46px 48px;
  box-shadow:var(--sh);
}
.cta-box::before{
  content:"";
  position:absolute;
  left:0;top:0;right:0;
  height:2px;
  background:var(--grad);
}
.cta-box::after{
  content:"";
  position:absolute;
  left:-120px;top:-140px;
  width:340px;height:340px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,61,.3),transparent 70%);
}
.cta-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:44px;
  align-items:start;
}
.cta-box h2{font-size:clamp(1.5rem,2.8vw,2.05rem);}
.cta-box .lead{margin-top:14px;color:rgba(255,255,255,.78);font-size:15.5px;line-height:1.95;}
.cta-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.cta-badges .chip{border-color:rgba(255,255,255,.24);background:rgba(255,255,255,.1);}
.form-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-lg);
  padding:26px 26px 28px;
}
.form-row{margin-bottom:16px;}
.form-row label{display:block;font-size:13.5px;font-weight:600;color:rgba(255,255,255,.82);margin-bottom:8px;}
.form-row input,
.form-row textarea{
  width:100%;
  min-height:48px;
  padding:12px 16px;
  border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.96);
  color:var(--text);
  outline:none;
  transition:border-color .2s,box-shadow .2s;
}
.form-row textarea{min-height:96px;resize:vertical;line-height:1.7;}
.form-row input:focus,
.form-row textarea:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(109,74,255,.28);
}
.form-row input::placeholder,
.form-row textarea::placeholder{color:#9B96A8;}
.form-hint{margin-top:12px;font-size:13px;color:rgba(255,255,255,.6);}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:86px;
  background:var(--dark);
  color:rgba(255,255,255,.78);
  padding:60px 0 28px;
}
.site-footer::before{
  content:"";
  position:absolute;
  left:0;top:0;right:0;
  height:2px;
  background:var(--grad);
}
.foot-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:36px;
}
.foot-brand .logo-text{color:#fff;}
.foot-brand p{margin-top:16px;font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.68);max-width:340px;}
.foot-social{display:flex;gap:10px;margin-top:20px;}
.foot-social a{
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:12px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.14);
  color:#fff;
  font-size:14px;
  transition:background .2s,transform .2s,border-color .2s;
}
.foot-social a:hover{background:var(--grad);border-color:transparent;transform:translateY(-2px);}
.foot-col h4{font-size:15px;color:#fff;margin-bottom:16px;}
.foot-col ul{display:grid;gap:11px;}
.foot-col li a,
.foot-col li span{font-size:14px;color:rgba(255,255,255,.7);transition:color .2s;}
.foot-col li a:hover{color:var(--brand-2);}
.foot-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(255,255,255,.56);
}
.to-top{
  position:fixed;
  right:22px;bottom:26px;
  z-index:70;
  width:46px;height:46px;
  border-radius:50%;
  display:grid;place-items:center;
  background:var(--grad);
  color:#fff;
  box-shadow:0 10px 24px rgba(109,74,255,.34);
  opacity:0;
  visibility:hidden;
  transform:translateY(10px);
  transition:opacity .25s,transform .25s,visibility .25s;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{filter:brightness(1.06);}

/* ---------- 响应式 ---------- */
@media (max-width:1180px){
  .nav-search{width:180px;}
}
@media (max-width:1024px){
  .nav-toggle{display:flex;margin-left:auto;}
  .nav-actions{margin-left:auto;}
  .nav-links{
    position:fixed;
    top:80px;
    right:20px;
    left:20px;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    padding:14px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--r-lg);
    box-shadow:var(--sh-hover);
    transform:translateY(-12px);
    opacity:0;
    visibility:hidden;
    transition:opacity .25s,transform .25s,visibility .25s;
    z-index:65;
  }
  .nav-links.open{opacity:1;visibility:visible;transform:translateY(0);}
  .nav-links a{padding:12px 16px;border-radius:14px;font-size:15.5px;}
  .dark-grid,
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .hero-box{padding:44px 34px;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .nav-search{display:none;}
  .section{padding:56px 0 0;}
  .hero-box{padding:36px 24px;border-radius:var(--r-lg);}
  .hero-stats{gap:10px;}
  .stat-box{flex:1 1 44%;min-width:0;padding:14px 16px;}
  .intro-card{padding:22px 20px;}
  .dark-panel{padding:32px 24px;border-radius:var(--r-lg);}
  .cta-box{padding:32px 24px;border-radius:var(--r-lg);}
  .cta-wrap{padding:56px 0 0;}
  .metric-grid{gap:12px;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{margin-top:60px;padding:44px 0 24px;}
  .card-grid{grid-template-columns:1fr;}
}
@media (max-width:520px){
  body{font-size:15.5px;}
  .logo-text{font-size:15px;}
  .logo-mark{width:34px;height:34px;font-size:14px;}
  .hero-box h1{font-size:1.85rem;}
  .hero-sub{font-size:15px;}
  .btn{width:100%;padding:14px 20px;}
  .btn-sm{width:auto;padding:9px 15px;font-size:13.5px;}
  .cta-badges .chip{font-size:12px;}
  .faq-q{padding:16px 18px;font-size:15px;}
  .faq-a p{padding:0 18px 18px;}
  .to-top{right:14px;bottom:18px;width:42px;height:42px;}
  .metric strong{font-size:23px;}
}
@media (max-width:360px){
  .container{padding:0 14px;}
  .stat-box{flex:1 1 100%;}
}

/* roulang page: category3 */
:root{
  --brand:#6D4AFF;
  --brand-2:#00D4C8;
  --accent:#FF7A3D;
  --bg:#F7F7FC;
  --card:#FFFFFF;
  --dark:#17131F;
  --text:#2B2635;
  --muted:#6B6579;
  --border:#E8E6F2;
  --ok:#16A34A;
  --warn:#F59E0B;
  --err:#EF4444;
  --grad:linear-gradient(135deg,#6D4AFF,#00D4C8);
  --grad-accent:linear-gradient(135deg,#FF7A3D,#FF4D8D);
  --r-xl:32px;
  --r-lg:28px;
  --r-md:22px;
  --r-sm:14px;
  --sh:0 8px 24px rgba(23,19,31,.06);
  --sh-h:0 16px 40px rgba(23,19,31,.12);
  --container:1240px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.8;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button,input,textarea{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;letter-spacing:-.01em;color:var(--dark)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(109,74,255,.2)}
:focus-visible{outline:3px solid rgba(109,74,255,.4);outline-offset:2px;border-radius:10px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
.nav-wrap{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;color:var(--dark);flex-shrink:0}
.logo-mark{width:36px;height:36px;border-radius:12px;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:16px;box-shadow:0 6px 16px rgba(109,74,255,.32)}
.logo-text{font-size:1.0625rem;letter-spacing:.01em}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:6px}
.nav-links a{padding:9px 14px;border-radius:999px;font-size:.9375rem;color:var(--muted);font-weight:500;white-space:nowrap}
.nav-links a:hover{color:var(--brand);background:rgba(109,74,255,.08)}
.nav-links a.active{color:var(--brand);background:rgba(109,74,255,.1);font-weight:700}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-search{display:flex;align-items:center;gap:8px;height:42px;padding:0 14px;border:1px solid var(--border);border-radius:999px;background:#fff;transition:border-color .2s,box-shadow .2s}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(109,74,255,.14)}
.nav-search i{color:var(--muted);font-size:.875rem}
.nav-search input{border:0;outline:0;background:transparent;width:168px;font-size:.875rem;color:var(--text)}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--border);background:#fff;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:4px;cursor:pointer;padding:0}
.nav-toggle span{width:18px;height:2px;background:var(--dark);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:999px;font-weight:700;font-size:.9375rem;border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .22s ease,filter .22s ease,background .22s ease,color .22s ease,border-color .22s ease}
.btn-sm{height:40px;padding:0 18px;font-size:.875rem}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(109,74,255,.28)}
.btn-primary:hover{filter:brightness(1.05);transform:translateY(-1px);box-shadow:0 14px 30px rgba(109,74,255,.34)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--dark)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.btn-ghost:active{transform:scale(.98)}
.btn-light{background:#fff;color:var(--brand);box-shadow:0 12px 28px rgba(23,19,31,.16)}
.btn-light:hover{transform:translateY(-1px);filter:brightness(1.02)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-outline-light:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-1px)}

/* ---------- hero ---------- */
.page-hero{position:relative;overflow:hidden;padding:44px 0 76px;background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%)}
.page-hero::after{content:"";position:absolute;width:560px;height:560px;right:-160px;top:-240px;border-radius:50%;background:radial-gradient(circle,rgba(109,74,255,.22),rgba(109,74,255,0) 68%);pointer-events:none}
.page-hero::before{content:"";position:absolute;width:420px;height:420px;left:-180px;bottom:-220px;border-radius:50%;background:radial-gradient(circle,rgba(0,212,200,.2),rgba(0,212,200,0) 70%);pointer-events:none}
.breadcrumb{position:relative;display:inline-flex;align-items:center;gap:10px;padding:8px 16px;background:#fff;border:1px solid var(--border);border-radius:999px;font-size:.8125rem;color:var(--muted);margin-bottom:28px}
.breadcrumb i{font-size:.625rem;color:#B9B4C7}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span{color:var(--brand);font-weight:700}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:48px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;background:rgba(109,74,255,.1);color:var(--brand);font-size:.8125rem;font-weight:700;margin-bottom:18px}
.hero-copy h1{font-size:clamp(2rem,5vw,3.25rem);line-height:1.24;font-weight:800}
.hero-copy .lead{margin-top:20px;color:var(--muted);font-size:1.0625rem;line-height:1.95;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-meta li{display:inline-flex;align-items:center;gap:7px;padding:8px 14px;background:#fff;border:1px solid var(--border);border-radius:999px;font-size:.8125rem;color:var(--muted);font-weight:500}
.hero-meta li i{color:var(--brand-2)}
.hero-visual{position:relative}
.hero-visual img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-h);background:linear-gradient(135deg,rgba(109,74,255,.14),rgba(0,212,200,.14))}
.float-badge{position:absolute;display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:999px;background:#fff;box-shadow:var(--sh-h);font-size:.8125rem;font-weight:700;color:var(--dark);font-variant-numeric:tabular-nums}
.float-badge i{color:var(--accent)}
.float-badge.b1{top:22px;left:-16px}
.float-badge.b2{bottom:26px;right:-12px}
.float-badge.b2 i{color:var(--brand-2)}

/* ---------- sections ---------- */
.section{padding:80px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-tag{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(0,212,200,.12);color:#0E8C86;font-size:.8125rem;font-weight:700;margin-bottom:16px}
.section-head h2{font-size:clamp(1.5rem,3vw,2.25rem);line-height:1.35}
.section-desc{margin-top:16px;color:var(--muted);font-size:1rem;line-height:1.95}

/* ---------- steps ---------- */
.steps{display:grid;gap:22px}
.step{display:grid;grid-template-columns:76px minmax(0,1fr) 300px;gap:28px;align-items:center;background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:rgba(109,74,255,.28)}
.step:hover .step-body h3{color:var(--brand)}
.step-no{width:76px;height:76px;border-radius:24px;background:linear-gradient(135deg,rgba(109,74,255,.14),rgba(0,212,200,.14));display:grid;place-items:center;font-size:1.375rem;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums}
.step-body h3{font-size:1.25rem;transition:color .25s ease}
.step-body p{margin-top:12px;color:var(--muted);line-height:1.9}
.step-points{margin-top:16px;display:grid;gap:8px}
.step-points li{display:flex;align-items:flex-start;gap:10px;font-size:.9375rem;color:var(--text)}
.step-points li i{margin-top:7px;font-size:.75rem;color:var(--brand-2)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;background:rgba(109,74,255,.08);color:var(--brand);font-size:.8125rem;font-weight:600}
.tag.tag-alt{background:rgba(255,122,61,.12);color:#D9531E}
.step-media{border-radius:20px;overflow:hidden;background:linear-gradient(135deg,rgba(109,74,255,.14),rgba(0,212,200,.14))}
.step-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;transition:transform .35s ease}
.step:hover .step-media img{transform:scale(1.03)}

/* ---------- hud / check ---------- */
.hud{position:relative;overflow:hidden;background:var(--dark);border-radius:var(--r-xl);padding:48px;color:#fff;box-shadow:0 24px 60px rgba(23,19,31,.24)}
.hud::before{content:"";position:absolute;inset:0;background-image:url(/assets/images/backpic/back-2.png);background-size:cover;background-position:center;opacity:.16;pointer-events:none}
.hud::after{content:"";position:absolute;left:0;top:0;right:0;height:3px;background:var(--grad)}
.hud > *{position:relative}
.hud-head{max-width:680px}
.hud-head .chip{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(0,212,200,.16);color:#7DF3EA;font-size:.8125rem;font-weight:700;margin-bottom:16px}
.hud-head h2{color:#fff;font-size:clamp(1.4rem,2.6vw,2rem)}
.hud-head p{margin-top:14px;color:rgba(255,255,255,.68);line-height:1.95}
.hud-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:34px}
.hud-item{padding:20px;border-radius:var(--r-md);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);transition:background .25s ease,transform .25s ease}
.hud-item:hover{background:rgba(255,255,255,.1);transform:translateY(-3px)}
.hud-num{display:block;font-size:1.75rem;font-weight:800;font-variant-numeric:tabular-nums;background:linear-gradient(135deg,#A48CFF,#5FF0E6);-webkit-background-clip:text;background-clip:text;color:transparent}
.hud-label{display:block;margin-top:6px;font-size:.875rem;color:rgba(255,255,255,.66)}
.hud-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:30px}
.hud-list li{display:flex;align-items:flex-start;gap:10px;padding:14px 18px;border-radius:var(--r-sm);background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);font-size:.9375rem;color:rgba(255,255,255,.84)}
.hud-list li i{margin-top:7px;font-size:.75rem;color:var(--brand-2)}

/* ---------- faq ---------- */
.faq-list{max-width:900px}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:20px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item + .faq-item{margin-top:14px}
.faq-item:hover{border-color:rgba(109,74,255,.3);box-shadow:var(--sh)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 26px;background:none;border:0;text-align:left;font-size:1.0625rem;font-weight:700;color:var(--dark);cursor:pointer;line-height:1.6}
.faq-q .faq-icon{width:30px;height:30px;flex:0 0 30px;border-radius:50%;background:rgba(109,74,255,.1);color:var(--brand);display:grid;place-items:center;font-size:.8125rem;transition:transform .25s ease,background .25s ease,color .25s ease}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-item.open{border-color:rgba(109,74,255,.3)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease}
.faq-a p{padding:0 26px 24px;color:var(--muted);line-height:1.95}

/* ---------- cta + form ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-xl);padding:48px;background:var(--grad);color:#fff;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:36px;align-items:center;box-shadow:0 22px 54px rgba(109,74,255,.26)}
.cta-band::before{content:"";position:absolute;inset:0;background-image:url(/assets/images/backpic/back-1.webp);background-size:cover;background-position:center;opacity:.14;pointer-events:none}
.cta-band > *{position:relative}
.cta-copy h2{color:#fff;font-size:clamp(1.4rem,2.8vw,2rem)}
.cta-copy p{margin-top:14px;color:rgba(255,255,255,.86);line-height:1.9;max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.cta-side{display:grid;gap:12px;min-width:200px}
.cta-pill{display:flex;align-items:center;gap:10px;padding:12px 18px;border-radius:999px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);font-size:.875rem;font-weight:600;font-variant-numeric:tabular-nums}
.cta-pill i{color:#FFD9C2}

.contact-card{margin-top:26px;background:#fff;border:1px solid var(--border);border-radius:var(--r-xl);box-shadow:var(--sh);padding:38px;display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:44px}
.contact-info h3{font-size:1.375rem}
.contact-info p{margin-top:14px;color:var(--muted);line-height:1.95}
.contact-info ul{margin-top:22px;display:grid;gap:12px}
.contact-info li{display:flex;align-items:flex-start;gap:10px;font-size:.9375rem;color:var(--text)}
.contact-info li i{margin-top:6px;color:var(--brand);font-size:.875rem}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:.875rem;font-weight:600;color:var(--dark)}
.field input,.field textarea{height:48px;padding:0 16px;border:1px solid var(--border);border-radius:var(--r-sm);background:#FCFCFE;color:var(--text);font-size:.9375rem;outline:0;transition:border-color .2s ease,box-shadow .2s ease}
.field textarea{height:118px;padding:14px 16px;resize:vertical;line-height:1.8}
.field input::placeholder,.field textarea::placeholder{color:#A9A4B8}
.field input:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(109,74,255,.14)}
.field input.err,.field textarea.err{border-color:var(--err);box-shadow:0 0 0 4px rgba(239,68,68,.12)}
.form-hint{font-size:.8125rem;color:var(--muted)}
.form-tip{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px}
.form-tip .ok-msg{font-size:.875rem;color:var(--ok);font-weight:600;display:none}
.form-tip .ok-msg.show{display:inline}

/* ---------- footer ---------- */
.site-footer{position:relative;background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 28px;margin-top:80px}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.foot-brand .logo{color:#fff;margin-bottom:18px}
.foot-brand p{font-size:.9375rem;line-height:1.9;color:rgba(255,255,255,.62);max-width:340px}
.foot-social{display:flex;gap:12px;margin-top:22px}
.foot-social a{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:rgba(255,255,255,.08);color:rgba(255,255,255,.8);transition:background .22s ease,color .22s ease,transform .22s ease}
.foot-social a:hover{background:var(--grad);color:#fff;transform:translateY(-2px)}
.foot-col h4{color:#fff;font-size:1rem;margin-bottom:18px}
.foot-col ul{display:grid;gap:12px}
.foot-col a,.foot-col span{font-size:.9375rem;color:rgba(255,255,255,.62)}
.foot-col a:hover{color:#fff}
.foot-bottom{margin-top:52px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:.8125rem;color:rgba(255,255,255,.48)}

/* ---------- to top ---------- */
.to-top{position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;border:0;background:var(--grad);color:#fff;box-shadow:0 12px 28px rgba(109,74,255,.36);cursor:pointer;opacity:0;pointer-events:none;transform:translateY(12px);transition:opacity .25s ease,transform .25s ease;z-index:70}
.to-top.show{opacity:1;pointer-events:auto;transform:none}
.to-top:hover{transform:translateY(-3px)}

/* ---------- responsive ---------- */
@media (max-width:1180px){
  .nav-search input{width:130px}
  .step{grid-template-columns:70px minmax(0,1fr) 250px;gap:22px}
}
@media (max-width:1024px){
  .nav-search{display:none}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{max-width:620px}
  .hud{padding:38px}
  .hud-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .contact-card{grid-template-columns:1fr;gap:32px;padding:30px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .step{grid-template-columns:70px minmax(0,1fr)}
  .step-media{grid-column:2;max-width:420px}
}
@media (max-width:900px){
  .nav-links{position:fixed;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;margin:0;padding:16px 20px 24px;background:#fff;border-bottom:1px solid var(--border);box-shadow:0 18px 40px rgba(23,19,31,.1);transform:translateY(-12px);opacity:0;pointer-events:none;transition:transform .25s ease,opacity .25s ease}
  .nav-links.open{transform:none;opacity:1;pointer-events:auto}
  .nav-links a{padding:13px 16px;border-radius:14px;font-size:1rem}
  .nav-toggle{display:inline-flex}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .section{padding:56px 0}
  .page-hero{padding:30px 0 56px}
  .step{padding:22px;grid-template-columns:1fr;gap:18px}
  .step-no{width:60px;height:60px;border-radius:20px;font-size:1.25rem}
  .step-media{grid-column:1;max-width:100%}
  .hud{padding:28px 22px;border-radius:26px}
  .hud-list{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:32px 24px}
  .cta-side{grid-template-columns:1fr 1fr;grid-auto-flow:row}
  .form-grid{grid-template-columns:1fr}
  .site-footer{padding:56px 0 24px;margin-top:56px}
  .foot-grid{grid-template-columns:1fr}
  .float-badge.b1{left:10px}
  .float-badge.b2{right:10px}
}
@media (max-width:520px){
  .nav-wrap{height:64px;gap:12px}
  .nav-links{top:64px}
  .logo-text{font-size:.9375rem}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .cta-side{grid-template-columns:1fr}
  .hud-grid{grid-template-columns:1fr 1fr}
  .contact-card{padding:22px}
  .foot-bottom{flex-direction:column}
}

/* roulang page: category4 */
:root{
  --primary:#6D4AFF;
  --primary-soft:#F1EEFF;
  --neon:#00D4C8;
  --accent:#FF7A3D;
  --accent-pink:#FF4D8D;
  --bg:#F7F7FC;
  --card:#FFFFFF;
  --dark:#17131F;
  --dark-2:#221B2E;
  --text:#2B2635;
  --muted:#6B6579;
  --border:#E8E6F2;
  --ok:#16A34A;
  --warn:#F59E0B;
  --err:#EF4444;
  --grad:linear-gradient(135deg,#6D4AFF,#00D4C8);
  --grad-warm:linear-gradient(135deg,#FF7A3D,#FF4D8D);
  --r-xl:32px;
  --r-lg:28px;
  --r-md:22px;
  --r-sm:14px;
  --r-pill:999px;
  --shadow-sm:0 8px 24px rgba(23,19,31,.06);
  --shadow-lg:0 16px 40px rgba(23,19,31,.12);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4{font-weight:800;line-height:1.35;letter-spacing:-.01em;}
h1{font-size:clamp(2rem,4.4vw,3.25rem);}
h2{font-size:clamp(1.5rem,3vw,2.25rem);}
h3{font-size:1.25rem;}
p{line-height:1.9;}
::selection{background:rgba(109,74,255,.18);}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
.nav-wrap{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:74px;
}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;color:var(--text);}
.logo-mark{
  width:40px;height:40px;border-radius:13px;
  background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:1rem;
  box-shadow:0 8px 18px rgba(109,74,255,.3);
  flex:none;
}
.logo-text{font-size:1.0625rem;letter-spacing:.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  padding:9px 15px;border-radius:var(--r-pill);
  font-size:.9375rem;font-weight:600;color:var(--muted);
  transition:color .2s,background .2s;
  white-space:nowrap;
}
.nav-links a:hover{color:var(--primary);background:var(--primary-soft);}
.nav-links a.active{color:var(--primary);background:var(--primary-soft);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  height:42px;padding:0 14px;
  background:#F3F2FA;border:1px solid transparent;border-radius:var(--r-pill);
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.nav-search i{color:var(--muted);font-size:.875rem;}
.nav-search input{
  border:none;background:transparent;outline:none;
  width:172px;font-size:.875rem;
}
.nav-search input::placeholder{color:#9C97AC;}
.nav-search:focus-within{border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(109,74,255,.14);}
.nav-toggle{
  display:none;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  width:42px;height:42px;border-radius:13px;border:1px solid var(--border);
  background:#fff;cursor:pointer;padding:0;
}
.nav-toggle span{width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .2s,opacity .2s;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-pill);
  font-weight:700;font-size:.9375rem;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s,box-shadow .2s,filter .2s,background .2s,color .2s,border-color .2s;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(109,74,255,.28);}
.btn-primary:hover{filter:brightness(1.05);transform:translateY(-1px);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--text);}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--primary);box-shadow:0 10px 24px rgba(23,19,31,.16);}
.btn-light:hover{filter:brightness(1.03);transform:translateY(-1px);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.14);transform:translateY(-1px);}
.btn-sm{padding:9px 18px;font-size:.875rem;}
.btn-lg{padding:15px 32px;font-size:1rem;}
.btn:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(109,74,255,.35);}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding-top:26px;}
.crumb-list{
  display:inline-flex;align-items:center;gap:10px;flex-wrap:wrap;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-pill);
  padding:9px 18px;font-size:.8125rem;color:var(--muted);
  box-shadow:var(--shadow-sm);
}
.crumb-list i{font-size:.625rem;opacity:.55;}
.crumb-list a:hover{color:var(--primary);}
.crumb-current{color:var(--primary);font-weight:700;}

/* ---------- 首屏 ---------- */
.page-hero{
  position:relative;margin-top:26px;
  border-radius:var(--r-xl);overflow:hidden;
  background-color:var(--dark);
  background-image:url('/assets/images/backpic/back-1.webp');
  background-position:center;
  background-size:cover;
  background-repeat:no-repeat;
  color:#fff;
  padding:64px 48px 56px;
  isolation:isolate;
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(135deg,rgba(23,19,31,.94),rgba(23,19,31,.74) 55%,rgba(109,74,255,.55));
}
.hero-glow{
  position:absolute;top:-140px;right:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,212,200,.42),transparent 68%);
  pointer-events:none;z-index:-1;
}
.hero-inner{max-width:820px;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  font-size:.8125rem;font-weight:700;letter-spacing:.04em;
  margin-bottom:20px;
}
.hero-title{color:#fff;margin-bottom:18px;}
.hero-lead{color:rgba(255,255,255,.82);font-size:1.0625rem;max-width:700px;}
.hero-metrics{display:flex;flex-wrap:wrap;gap:34px;margin-top:38px;}
.metric{display:flex;flex-direction:column;gap:2px;}
.metric + .metric{padding-left:34px;border-left:1px solid rgba(255,255,255,.16);}
.metric-num{
  font-size:1.75rem;font-weight:800;color:#fff;
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.metric-label{font-size:.8125rem;color:rgba(255,255,255,.68);}

/* ---------- 板块 ---------- */
.section{padding:68px 0;}
.section-tight{padding:44px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;flex-wrap:wrap;margin-bottom:34px;
}
.section-title{color:var(--text);}
.section-desc{color:var(--muted);margin-top:12px;max-width:760px;font-size:.9375rem;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8125rem;font-weight:700;color:var(--primary);
  letter-spacing:.08em;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--grad);}

.intro-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:34px 36px;box-shadow:var(--shadow-sm);
  position:relative;overflow:hidden;
}
.intro-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad);
}
.intro-card p{color:var(--text);font-size:1rem;}
.intro-card p + p{margin-top:14px;color:var(--muted);font-size:.9375rem;}

/* ---------- 排行榜 ---------- */
.rank-list{display:grid;gap:14px;}
.rank-item{
  display:grid;grid-template-columns:60px 1fr auto;align-items:center;gap:20px;
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-md);
  padding:20px 24px;box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.rank-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(109,74,255,.4);}
.rank-item:hover .rank-title{color:var(--primary);}
.rank-no{
  width:50px;height:50px;border-radius:16px;
  display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary);
  font-weight:800;font-size:1.0625rem;
  font-variant-numeric:tabular-nums;flex:none;
}
.rank-no.top{background:var(--grad);color:#fff;box-shadow:0 10px 22px rgba(109,74,255,.3);}
.rank-title{font-size:1.0625rem;font-weight:700;margin-bottom:6px;transition:color .2s;}
.rank-text{color:var(--muted);font-size:.875rem;line-height:1.75;}
.rank-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end;}

/* ---------- 标签 / 徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 13px;border-radius:var(--r-pill);
  background:var(--primary-soft);color:var(--primary);
  font-size:.8125rem;font-weight:600;white-space:nowrap;
}
.tag--cyan{background:#E1FAF8;color:#0E8F87;}
.tag--warm{background:#FFEEE5;color:#D2541F;}
.tag--green{background:#ECFDF5;color:#15803D;}
.heat{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:800;color:var(--accent);
  font-variant-numeric:tabular-nums;font-size:.9375rem;
}

/* ---------- 自查步骤 ---------- */
.selfcheck-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:stretch;}
.steps{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:12px 30px;box-shadow:var(--shadow-sm);}
.steps li{
  display:grid;grid-template-columns:46px 1fr;gap:18px;align-items:start;
  padding:22px 0;border-bottom:1px dashed var(--border);
}
.steps li:last-child{border-bottom:none;}
.step-no{
  width:42px;height:42px;border-radius:13px;
  display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary);
  font-weight:800;font-variant-numeric:tabular-nums;
}
.step-body h3{font-size:1rem;font-weight:700;margin-bottom:6px;}
.step-body p{color:var(--muted);font-size:.875rem;line-height:1.8;}
.media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  min-height:300px;
  background:linear-gradient(135deg,#6D4AFF,#00D4C8);
  box-shadow:var(--shadow-sm);
}
.media img{width:100%;height:100%;object-fit:cover;}
.media-badge{
  position:absolute;left:20px;top:20px;
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:var(--r-pill);
  background:rgba(23,19,31,.62);color:#fff;
  font-size:.8125rem;font-weight:700;
  backdrop-filter:blur(6px);
}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;align-items:start;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:border-color .25s,box-shadow .25s;
}
.faq-item:hover{border-color:rgba(109,74,255,.38);box-shadow:var(--shadow-lg);}
.faq-item.open{border-color:rgba(109,74,255,.45);}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:20px 24px;background:none;border:none;text-align:left;cursor:pointer;
  font-weight:700;font-size:1rem;color:var(--text);line-height:1.6;
}
.faq-q:focus-visible{outline:none;box-shadow:0 0 0 4px rgba(109,74,255,.25);border-radius:var(--r-md);}
.faq-icon{
  flex:none;width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary);
  font-size:.75rem;transition:transform .25s,background .25s,color .25s;
}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--grad);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .25s ease;}
.faq-item.open .faq-a{max-height:520px;}
.faq-a-inner{padding:0 24px 22px;color:var(--muted);font-size:.9375rem;line-height:1.9;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--grad);border-radius:var(--r-xl);
  padding:46px 48px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap;
  box-shadow:0 20px 48px rgba(109,74,255,.28);
}
.cta-band::after{
  content:"";position:absolute;right:-90px;bottom:-130px;
  width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.28),transparent 68%);
  pointer-events:none;
}
.cta-text{max-width:620px;position:relative;z-index:1;}
.cta-text h2{color:#fff;font-size:clamp(1.375rem,2.6vw,2rem);margin-bottom:10px;}
.cta-text p{color:rgba(255,255,255,.86);font-size:.9375rem;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1;}

/* ---------- 表单 ---------- */
.contact-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:38px;box-shadow:var(--shadow-sm);margin-top:28px;
}
.contact-head{margin-bottom:26px;}
.contact-head h3{font-size:1.25rem;margin-bottom:8px;}
.contact-head p{color:var(--muted);font-size:.9375rem;}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.field{display:flex;flex-direction:column;}
.field-full{grid-column:1/-1;}
.field label{font-size:.875rem;font-weight:600;margin-bottom:8px;}
.field input,.field textarea{
  width:100%;border:1px solid var(--border);border-radius:var(--r-sm);
  background:#FBFBFE;padding:0 16px;height:48px;
  transition:border-color .2s,box-shadow .2s,background .2s;
  outline:none;font-size:.9375rem;
}
.field textarea{height:auto;padding:14px 16px;line-height:1.75;resize:vertical;min-height:120px;}
.field input::placeholder,.field textarea::placeholder{color:#A6A1B5;}
.field input:focus,.field textarea:focus{
  border-color:var(--primary);background:#fff;
  box-shadow:0 0 0 4px rgba(109,74,255,.14);
}
.field.is-error input,.field.is-error textarea{border-color:var(--err);background:#FEF2F2;}
.field-error{display:none;color:var(--err);font-size:.8125rem;margin-top:6px;}
.field.is-error .field-error{display:block;}
.form-footer{grid-column:1/-1;display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.form-note{color:var(--muted);font-size:.8125rem;}
.form-success{
  grid-column:1/-1;display:none;
  background:#ECFDF5;border:1px solid #A7F3D0;color:#15803D;
  padding:14px 18px;border-radius:var(--r-sm);font-size:.9375rem;
}
.form-success.show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;margin-top:80px;
  background:var(--dark);color:rgba(255,255,255,.72);
  padding:64px 0 32px;
}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:var(--grad);}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px;}
.foot-brand .logo{color:#fff;margin-bottom:18px;}
.foot-brand p{font-size:.9375rem;line-height:1.9;color:rgba(255,255,255,.65);max-width:350px;}
.foot-social{display:flex;gap:10px;margin-top:22px;}
.foot-social a{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:rgba(255,255,255,.08);color:#fff;
  transition:background .2s,transform .2s;
}
.foot-social a:hover{background:var(--grad);transform:translateY(-2px);}
.foot-col h4{color:#fff;font-size:1rem;font-weight:700;margin-bottom:18px;}
.foot-col ul li{margin-bottom:11px;font-size:.9375rem;}
.foot-col a{transition:color .2s;}
.foot-col a:hover{color:var(--neon);}
.foot-col span{color:rgba(255,255,255,.58);}
.foot-bottom{
  margin-top:46px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.8125rem;color:rgba(255,255,255,.48);
}

/* ---------- 回到顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:90;
  width:48px;height:48px;border-radius:50%;border:none;cursor:pointer;
  background:var(--grad);color:#fff;
  display:grid;place-items:center;
  box-shadow:0 12px 28px rgba(109,74,255,.35);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .25s,visibility .25s,transform .25s;
}
.to-top.show{opacity:1;visibility:visible;transform:none;}
.to-top:hover{filter:brightness(1.06);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav-toggle{display:flex;}
  .nav-links{
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
    padding:14px;box-shadow:var(--shadow-lg);
    display:none;
  }
  .nav-links.is-open{display:flex;}
  .nav-links a{padding:12px 16px;border-radius:var(--r-sm);}
  .selfcheck-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .page-hero{padding:52px 34px 46px;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  .nav-wrap{height:66px;gap:14px;}
  .nav-search{display:none;}
  .logo-text{font-size:.9375rem;}
  .section{padding:48px 0;}
  .section-tight{padding:32px 0;}
  .page-hero{border-radius:var(--r-lg);padding:40px 22px 36px;margin-top:18px;}
  .hero-metrics{gap:20px;margin-top:28px;}
  .metric + .metric{padding-left:20px;}
  .metric-num{font-size:1.375rem;}
  .intro-card{padding:26px 22px;}
  .rank-item{grid-template-columns:44px 1fr;gap:14px;padding:18px;}
  .rank-no{width:42px;height:42px;border-radius:13px;font-size:.9375rem;}
  .rank-meta{grid-column:1/-1;justify-content:flex-start;}
  .faq-grid{grid-template-columns:1fr;}
  .cta-band{padding:34px 24px;border-radius:var(--r-lg);}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .contact-card{padding:26px 20px;}
  .form-grid{grid-template-columns:1fr;}
  .steps{padding:6px 20px;}
  .steps li{grid-template-columns:42px 1fr;gap:14px;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;}
  .site-footer{padding:48px 0 28px;margin-top:56px;}
  .to-top{right:16px;bottom:18px;width:44px;height:44px;}
}
@media (max-width:520px){
  .logo-mark{width:36px;height:36px;border-radius:11px;font-size:.875rem;}
  .logo-text{font-size:.875rem;}
  .hero-title{font-size:1.75rem;}
  .hero-lead{font-size:.9375rem;}
  .btn-sm{padding:8px 14px;font-size:.8125rem;}
  .crumb-list{font-size:.75rem;padding:8px 14px;}
}