/* roulang page: index */
:root{
  --brand:#6D28D9;
  --brand-deep:#4C1D95;
  --brand-soft:#EDE7FF;
  --teal:#14B8A6;
  --teal-bright:#2DD4BF;
  --amber:#F59E0B;
  --bg:#F7F5FF;
  --card:#FFFFFF;
  --dark:#150C2E;
  --text:#1A1230;
  --text-2:#5C5478;
  --text-3:#8B84A3;
  --line:#E8E3F8;
  --line-strong:#D9CFFF;
  --grad:linear-gradient(135deg,#6D28D9 0%,#2DD4BF 100%);
  --grad-deep:linear-gradient(135deg,#4C1D95 0%,#6D28D9 40%,#0F8F86 100%);
  --r-xl:22px;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --sh-1:0 6px 24px rgba(76,29,149,.08);
  --sh-2:0 16px 40px rgba(76,29,149,.16);
  --gap-1:20px;
  --gap-2:24px;
  --gap-3:32px;
  --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  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;transition:color .2s ease}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
input,textarea{font:inherit}
::selection{background:rgba(109,40,217,.18)}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.wrap{padding:0 24px}}
@media(min-width:1024px){.wrap{padding:0 40px;max-width:1280px}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid transparent;
  transition:background .3s ease,box-shadow .3s ease,border-color .3s ease,backdrop-filter .3s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
  box-shadow:0 6px 24px rgba(76,29,149,.07);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
@media(max-width:1023px){.nav{height:60px}}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:12px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:17px;
  box-shadow:0 8px 20px rgba(109,40,217,.28);letter-spacing:.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-size:16px;font-weight:800;letter-spacing:.01em;color:var(--text)}
.brand-sub{font-size:10px;font-weight:600;letter-spacing:.18em;color:var(--text-3);margin-top:3px}
.nav-links{display:none;align-items:center;gap:30px}
@media(min-width:1024px){.nav-links{display:flex}}
.nav-links a{position:relative;font-size:15px;color:var(--text-2);padding:6px 0;font-weight:500}
.nav-links a:hover{color:var(--brand)}
.nav-links a.active{color:var(--brand);font-weight:700}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;background:var(--grad);
}
.nav-tail{display:flex;align-items:center;gap:12px}
.nav-cta{display:none}
@media(min-width:1024px){.nav-cta{display:inline-flex}}
.burger{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  display:grid;place-items:center;background:#fff;
}
@media(min-width:1024px){.burger{display:none}}
.burger span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
}
.burger span::before{top:-6px}
.burger span::after{top:6px}

.drawer{
  position:fixed;top:0;right:0;height:100%;width:290px;max-width:84vw;background:#fff;
  z-index:90;padding:26px 22px;transform:translateX(105%);
  transition:transform .32s ease;box-shadow:-14px 0 44px rgba(21,12,46,.18);
  display:flex;flex-direction:column;gap:8px;
}
.drawer.open{transform:translateX(0)}
.drawer-close{align-self:flex-end;width:38px;height:38px;border-radius:10px;border:1px solid var(--line);font-size:18px;color:var(--text-2);background:#fff}
.drawer-title{font-size:13px;letter-spacing:.14em;color:var(--text-3);font-weight:600;margin:14px 0 6px}
.drawer a.drawer-link{display:block;padding:12px 14px;border-radius:12px;font-size:15px;color:var(--text-2);font-weight:500}
.drawer a.drawer-link:hover{background:var(--brand-soft);color:var(--brand)}
.drawer a.drawer-link.active{background:var(--brand-soft);color:var(--brand);font-weight:700}
.drawer .btn-primary{margin-top:18px;width:100%}
.overlay{
  position:fixed;inset:0;background:rgba(21,12,46,.5);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.overlay.open{opacity:1;visibility:visible}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:15px;white-space:nowrap;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,filter .25s ease,color .25s ease;
}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(109,40,217,.25)}
.btn-primary{
  background:var(--grad);color:#fff;border-radius:999px;padding:13px 28px;
  box-shadow:0 10px 26px rgba(109,40,217,.26);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0) scale(.985)}
.btn-outline{
  background:#fff;border:1.5px solid var(--brand);color:var(--brand);
  border-radius:14px;padding:13px 24px;
}
.btn-outline:hover{background:var(--brand-soft);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0) scale(.985)}
.btn-white{background:#fff;color:var(--brand);border-radius:999px;padding:13px 28px;box-shadow:0 10px 26px rgba(15,12,46,.22)}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(15,12,46,.28)}
.btn-ghost{
  background:transparent;border:1.5px solid rgba(255,255,255,.62);color:#fff;
  border-radius:14px;padding:13px 24px;
}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-2px)}
.link-more{
  font-size:15px;font-weight:600;color:var(--brand);
  border-bottom:1px solid rgba(109,40,217,.35);padding-bottom:2px;
}
.link-more:hover{border-bottom-width:2px}

/* ============ 板块通用 ============ */
.section{padding:56px 0}
@media(min-width:768px){.section{padding:72px 0}}
@media(min-width:1024px){.section{padding:96px 0}}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:34px}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.16em;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;padding:6px 14px;margin-bottom:18px;
}
.sec-title{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.28;letter-spacing:-.01em}
.sec-sub{color:var(--text-2);font-size:16px;margin-top:12px;max-width:660px}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:48px 0 56px}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(76,29,149,.5) 1px,transparent 1px);
  background-size:22px 22px;opacity:.06;
}
.hero::after{
  content:"";position:absolute;top:-160px;right:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(109,40,217,.28),rgba(45,212,191,.18) 45%,transparent 72%);
  filter:blur(70px);opacity:.85;pointer-events:none;
}
.hero-inner{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center}
@media(min-width:1024px){.hero-grid{grid-template-columns:7fr 5fr;gap:48px}}
.hero-copy{max-width:640px}
.hero h1{
  font-size:clamp(30px,4.2vw,52px);line-height:1.15;font-weight:800;letter-spacing:-.02em;
}
.hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.8;color:var(--text-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:24px;
  box-shadow:0 24px 60px rgba(76,29,149,.20);background:var(--brand-soft);
}
.hero-visual::after{
  content:"";position:absolute;left:-18px;bottom:-18px;width:120px;height:120px;border-radius:24px;
  background:var(--grad);opacity:.14;z-index:-1;
}
.badge-band{
  display:flex;gap:12px;margin-top:36px;overflow-x:auto;padding:6px 0 6px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.badge-band::-webkit-scrollbar{display:none}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:40px;padding:8px 16px;flex:0 0 auto;
  border:1px solid transparent;border-radius:999px;font-size:13.5px;color:var(--text-2);font-weight:500;
  background:linear-gradient(#EDE7FF,#EDE7FF) padding-box,var(--grad) border-box;
}
.badge b{color:var(--amber);font-weight:800;font-variant-numeric:tabular-nums;font-size:15px}

/* ============ 三步上手 ============ */
.steps{position:relative;display:grid;grid-template-columns:1fr;gap:34px;padding-left:40px}
.steps::before{
  content:"";position:absolute;left:6px;top:12px;bottom:12px;width:2px;
  background-image:repeating-linear-gradient(180deg,rgba(109,40,217,.42) 0 8px,transparent 8px 16px);
}
.step{position:relative}
.step-dot{
  position:absolute;left:-40px;top:9px;width:14px;height:14px;border-radius:50%;
  background:var(--grad);box-shadow:0 0 0 5px rgba(109,40,217,.12);
}
.step-num{
  display:block;font-size:34px;font-weight:800;line-height:1;
  color:rgba(109,40,217,.24);font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.step h3{font-size:20px;font-weight:700;margin-top:12px}
.step p{margin-top:8px;font-size:15px;color:var(--text-2);max-width:320px}
@media(min-width:1024px){
  .steps{grid-template-columns:1.25fr 1fr 1fr;gap:0;padding-left:0}
  .steps::before{
    left:8px;right:8px;top:6px;bottom:auto;width:auto;height:2px;
    background-image:repeating-linear-gradient(90deg,rgba(109,40,217,.42) 0 8px,transparent 8px 16px);
  }
  .step{padding:40px 40px 0 0}
  .step:last-child{padding-right:0}
  .step-dot{left:0;top:0}
}

/* ============ 登录准备（左文右图） ============ */
.prep-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
@media(min-width:1024px){.prep-grid{grid-template-columns:7fr 5fr;gap:48px}}
.prep-list{display:grid;gap:16px;margin-top:28px}
.prep-item{
  display:flex;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:18px 20px;box-shadow:var(--sh-1);transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.prep-item:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--sh-2)}
.prep-icon{
  flex:0 0 auto;width:36px;height:36px;border-radius:10px;background:var(--brand-soft);
  display:grid;place-items:center;color:var(--brand);font-weight:800;font-size:14px;
}
.prep-item h3{font-size:16px;font-weight:700}
.prep-item p{font-size:14.5px;color:var(--text-2);margin-top:4px;line-height:1.7}
.prep-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-xl);
  box-shadow:0 20px 46px rgba(76,29,149,.16);background:var(--brand-soft);
}

/* ============ 案例证明 Bento ============ */
.case-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:1024px){.case-grid{grid-template-columns:1.45fr 1fr}}
.case-side{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:640px) and (max-width:1023px){.case-side{grid-template-columns:1fr 1fr}}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--sh-2)}
.case-main{display:flex;flex-direction:column}
.case-main .thumb{overflow:hidden}
.case-main img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--brand-soft);transition:transform .5s ease}
.case-main:hover img{transform:scale(1.04)}
.case-body{padding:24px 26px 28px}
.case-body h3{font-size:20px;font-weight:700;line-height:1.5}
.case-body p{margin-top:10px;font-size:15px;color:var(--text-2)}
.mini-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.mini-badge{
  display:inline-flex;align-items:center;gap:5px;border-radius:10px;padding:7px 12px;
  background:var(--brand-soft);font-size:13px;color:var(--text-2);font-weight:500;
}
.mini-badge b{color:var(--amber);font-weight:800;font-variant-numeric:tabular-nums}
.case-mini .thumb{overflow:hidden}
.case-mini img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--brand-soft);transition:transform .5s ease}
.case-mini:hover img{transform:scale(1.04)}
.case-mini .case-body{padding:20px 22px 24px}
.case-mini h3{font-size:17px;font-weight:700}
.case-mini p{font-size:14.5px;color:var(--text-2);margin-top:8px}

/* ============ FAQ ============ */
.faq{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;transition:background .25s ease,box-shadow .25s ease;
}
.faq-item.open{background:var(--bg);box-shadow:var(--sh-1)}
.faq-item.open::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad);
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 20px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
}
.faq-q:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(109,40,217,.22) inset}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-size:16px;font-weight:700;line-height:1;
  transition:transform .3s ease,background .3s ease,color .3s ease;
}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s ease}
.faq-item.open .faq-a{max-height:420px}
.faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.78;color:var(--text-2)}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:28px;padding:56px 26px;text-align:center;
  background:var(--grad-deep);color:#fff;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;bottom:-110px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),transparent 70%);pointer-events:none;
}
.cta-band h2{position:relative;z-index:2;font-size:clamp(24px,3vw,32px);font-weight:800;line-height:1.35}
.cta-band p{position:relative;z-index:2;margin-top:14px;font-size:16px;color:rgba(255,255,255,.86)}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:30px}

/* ============ 最新信息 ============ */
.news-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr)}}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-xl);padding:24px;box-shadow:var(--sh-1);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--sh-2)}
@media(min-width:1024px){.news-card.is-wide{grid-column:span 2}}
.news-thumb{overflow:hidden;border-radius:var(--r-lg);margin-bottom:18px}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--brand-soft);transition:transform .5s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-tag{
  align-self:flex-start;font-size:12px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;padding:4px 12px;
}
.news-title{
  font-size:18px;font-weight:700;line-height:1.55;margin-top:14px;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-desc{
  margin-top:10px;font-size:14px;line-height:1.7;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:18px;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}
.news-arrow{color:var(--brand);font-weight:700;transition:transform .3s ease}
.news-card:hover .news-arrow{transform:translateX(4px)}
.news-empty{
  grid-column:1/-1;text-align:center;background:#fff;border:1px dashed var(--line-strong);
  border-radius:var(--r-xl);padding:48px 24px;box-shadow:var(--sh-1);
}
.news-empty .empty-icon{
  width:56px;height:56px;border-radius:16px;margin:0 auto 18px;background:var(--brand-soft);
  display:grid;place-items:center;color:var(--brand);font-size:22px;font-weight:800;
}
.news-empty p{font-size:15.5px;color:var(--text-2)}
.news-empty .btn-outline{margin-top:20px}

/* ============ 页脚 ============ */
.site-footer{
  position:relative;overflow:hidden;background:var(--dark);color:#B9B2D6;
  margin-top:56px;border-radius:28px 28px 0 0;
}
@media(min-width:768px){.site-footer{margin-top:72px}}
@media(min-width:1024px){.site-footer{margin-top:96px}}
.site-footer::after{
  content:"";position:absolute;top:-140px;right:-100px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(109,40,217,.42),rgba(45,212,191,.22) 50%,transparent 72%);
  filter:blur(60px);pointer-events:none;
}
.footer-inner{position:relative;z-index:2;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-brand .brand-main{color:#fff}
.footer-brand .brand-sub{color:#8B84A3}
.footer-desc{margin-top:18px;font-size:14px;line-height:1.8;color:#B9B2D6;max-width:320px}
.footer-contact{margin-top:18px;display:flex;flex-direction:column;gap:8px;font-size:14px;color:#B9B2D6}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col a{display:block;font-size:14px;color:#B9B2D6;padding:6px 0}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-bottom{
  position:relative;z-index:2;margin-top:44px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#8B84A3;
}
.footer-bottom a{color:#8B84A3}
.footer-bottom a:hover{color:#fff}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .45s ease,transform .45s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --purple:#6D28D9;
  --purple-deep:#4C1D95;
  --purple-soft:#EDE7FF;
  --teal:#14B8A6;
  --teal-bright:#2DD4BF;
  --amber:#F59E0B;
  --bg:#F7F5FF;
  --card:#FFFFFF;
  --dark:#150C2E;
  --ink:#1A1230;
  --ink-2:#5C5478;
  --ink-3:#8B84A3;
  --line:#E8E3F8;
  --grad:linear-gradient(135deg,#6D28D9 0%,#2DD4BF 100%);
  --grad-dark:linear-gradient(135deg,#4C1D95 0%,#0F766E 100%);
  --r-xl:24px;
  --r-lg:22px;
  --r-md:16px;
  --r-sm:12px;
  --r-badge:10px;
  --sh-1:0 6px 24px rgba(76,29,149,.08);
  --sh-2:0 16px 40px rgba(76,29,149,.16);
  --gap-1:56px;
  --gap-2:72px;
  --gap-3:96px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
html body{
  margin:0;
  padding:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
html body h1,html body h2,html body h3,html body h4{margin:0;color:var(--ink);font-weight:700}
html body p{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input{font-family:inherit}
button{cursor:pointer}
.wrap{max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;width:100%}
@media (min-width:768px){.wrap{padding-left:24px;padding-right:24px}}
@media (min-width:1024px){.wrap{padding-left:40px;padding-right:40px}}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:border-color .3s ease,box-shadow .3s ease,background .3s ease;
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 6px 24px rgba(76,29,149,.07)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:18px;font-weight:800;letter-spacing:0;
  box-shadow:0 6px 18px rgba(109,40,217,.28);flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-size:15px;font-weight:700;color:var(--ink);letter-spacing:.01em;white-space:nowrap}
.brand-sub{font-size:10px;letter-spacing:.18em;color:var(--ink-3);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{
  position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;transition:color .25s ease;
  white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform .3s ease;
}
.nav-links a:hover{color:var(--purple)}
.nav-links a:hover::after{transform:scaleX(1);opacity:.45}
.nav-links a.active{color:var(--purple);font-weight:600}
.nav-links a.active::after{transform:scaleX(1);opacity:1}
.nav-tail{display:flex;align-items:center;gap:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;padding:12px 22px;border:0;border-radius:14px;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,filter .25s ease,color .25s ease;
  line-height:1;text-align:center;
}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(109,40,217,.25)}
.btn-primary{background:var(--grad);color:#fff;border-radius:999px;box-shadow:0 6px 20px rgba(109,40,217,.24)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 32px rgba(109,40,217,.3)}
.btn-primary:active{transform:translateY(0) scale(.985)}
.btn-ghost{background:#fff;color:var(--purple);border:1.5px solid var(--purple)}
.btn-ghost:hover{background:var(--purple-soft);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0) scale(.985)}
.btn-white{background:#fff;color:var(--purple-deep);border-radius:999px;font-weight:700}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(0,0,0,.22)}
.btn-line{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7);border-radius:14px}
.btn-line:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.nav-cta{padding:11px 20px}
.burger{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;position:relative;padding:0;
}
.burger span,.burger span::before,.burger span::after{
  position:absolute;left:50%;top:50%;width:18px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .3s ease,background .3s ease;content:"";
}
.burger span{transform:translate(-50%,-50%)}
.burger span::before{transform:translate(-50%,-6px)}
.burger span::after{transform:translate(-50%,6px)}
.burger.open span{background:transparent}
.burger.open span::before{transform:translate(-50%,0) rotate(45deg)}
.burger.open span::after{transform:translate(-50%,0) rotate(-45deg)}
.nav-mask{
  position:fixed;inset:0;background:rgba(21,12,46,.5);opacity:0;pointer-events:none;
  transition:opacity .3s ease;z-index:70;
}
.nav-mask.show{opacity:1;pointer-events:auto}
@media (max-width:960px){
  .nav{height:60px}
  .brand-sub{display:none}
  .nav-links{
    position:fixed;top:0;right:0;height:100vh;width:min(320px,84vw);
    background:#fff;flex-direction:column;align-items:flex-start;
    padding:96px 28px 32px;gap:20px;z-index:80;
    transform:translateX(105%);transition:transform .35s cubic-bezier(.4,0,.2,1);
    box-shadow:-16px 0 48px rgba(21,12,46,.16);overflow-y:auto;
  }
  .nav-links a{font-size:16px;width:100%;padding:8px 0;border-bottom:1px solid var(--line)}
  .nav-links a::after{display:none}
  .nav-links.open{transform:translateX(0)}
  .burger{display:block;z-index:90}
  .nav-cta{display:none}
}

/* ---------- article head ---------- */
.article-head{
  position:relative;overflow:hidden;
  background:#fff;
  border-bottom:1px solid var(--line);
  padding:34px 0 40px;
}
.article-head::before{
  content:"";position:absolute;right:-80px;top:-140px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(109,40,217,.20),rgba(45,212,191,.12) 55%,transparent 72%);
  filter:blur(40px);pointer-events:none;
}
.article-head::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.05;
  background-image:radial-gradient(rgba(76,29,149,.9) 1px,transparent 1px);
  background-size:22px 22px;
}
.article-head .wrap{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:7px;font-size:13px;color:var(--ink-3);margin-bottom:18px}
.crumb a{color:var(--ink-3);transition:color .2s ease}
.crumb a:hover{color:var(--purple)}
.crumb .sep{color:#C8C1DE}
.crumb .now{color:var(--purple);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-title{
  font-size:clamp(26px,3.6vw,42px);line-height:1.22;font-weight:800;letter-spacing:-.02em;
  max-width:900px;margin-bottom:18px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;font-size:13px;color:var(--ink-3)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#CFC8E4;display:inline-block}
.article-meta i{color:var(--teal);margin-right:5px}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
  background:var(--purple-soft);color:var(--purple);font-size:12.5px;font-weight:600;letter-spacing:.01em;
}
.chip-teal{background:#DCFAF6;color:#0F766E}

/* ---------- article layout ---------- */
.article-main{padding:48px 0 72px}
.article-layout{display:grid;grid-template-columns:1fr;gap:32px;align-items:start}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:48px}
  .article-main{padding:64px 0 96px}
}
.prose-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:26px 22px;
}
@media (min-width:768px){.prose-card{padding:38px 40px}}
.prose{max-width:820px;margin:0 auto}
.prose h2{
  position:relative;font-size:23px;font-weight:700;line-height:1.4;
  margin:36px 0 14px;padding-left:15px;
}
.prose h2:first-child{margin-top:0}
.prose h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:4px;background:var(--grad);
}
.prose h3{font-size:19px;font-weight:600;line-height:1.45;margin:24px 0 10px}
.prose p{font-size:16px;line-height:1.85;color:#2A2244;margin:0 0 18px}
.prose ul,.prose ol{margin:0 0 18px;padding-left:22px}
.prose li{font-size:16px;line-height:1.85;color:#2A2244;margin-bottom:8px}
.prose ul li::marker{color:var(--purple)}
.prose ol li::marker{color:var(--purple);font-weight:700}
.prose blockquote{
  margin:22px 0;padding:16px 22px;border-radius:0 14px 14px 0;
  background:linear-gradient(90deg,var(--purple) 0 4px,var(--purple-soft) 4px);
  color:var(--purple-deep);font-size:15.5px;line-height:1.8;
}
.prose blockquote p{margin:0;color:var(--purple-deep);font-size:15.5px}
.prose table{
  width:100%;border-collapse:separate;border-spacing:0;margin:22px 0;
  border:1px solid var(--line);border-radius:14px;overflow:hidden;font-size:14.5px;
}
.prose th{background:var(--purple-soft);color:var(--purple-deep);font-weight:600;text-align:left;padding:12px 14px}
.prose td{padding:12px 14px;border-top:1px solid var(--line);color:#2A2244;line-height:1.7}
.prose tbody tr:nth-child(even) td{background:#FBF9FF}
.prose img{border-radius:16px;margin:22px auto;object-fit:cover;width:100%;background:var(--purple-soft)}
.prose a{color:var(--purple);border-bottom:1px solid rgba(109,40,217,.35);transition:border-color .2s ease}
.prose a:hover{border-bottom-width:2px}
.prose strong{color:var(--ink);font-weight:700}
.article-empty{text-align:center;padding:40px 16px 20px}
.article-empty .empty-icon{
  width:66px;height:66px;border-radius:20px;margin:0 auto 20px;background:var(--purple-soft);
  display:flex;align-items:center;justify-content:center;color:var(--purple);font-size:26px;
}
.article-empty h2{font-size:22px;font-weight:700;margin-bottom:10px}
.article-empty p{color:var(--ink-2);font-size:15px;margin-bottom:24px}

/* ---------- sidebar ---------- */
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);padding:20px;margin-bottom:20px;
}
.side-card h3{font-size:15px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3 i{color:var(--teal)}
.toc a{
  display:block;font-size:13.5px;color:var(--ink-2);padding:7px 0 7px 12px;position:relative;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;transition:color .2s ease,padding .2s ease;
}
.toc a::before{
  content:"";position:absolute;left:0;top:14px;width:6px;height:6px;border-radius:50%;
  background:#D8D1EE;transition:background .2s ease;
}
.toc a:hover{color:var(--purple);padding-left:16px}
.toc a:hover::before{background:var(--grad)}
.side-list a{display:block;padding:10px 0;border-bottom:1px dashed var(--line);font-size:13.5px;color:var(--ink-2);transition:color .2s ease}
.side-list a:last-child{border-bottom:0}
.side-list a:hover{color:var(--purple)}
.side-list span{display:block;font-size:12px;color:var(--ink-3);margin-top:4px}
.side-cta{
  background:var(--grad-dark);border-radius:var(--r-md);padding:22px 20px;color:#fff;position:relative;overflow:hidden;
}
.side-cta::after{
  content:"";position:absolute;right:-40px;bottom:-50px;width:140px;height:140px;border-radius:50%;
  background:radial-gradient(circle,rgba(45,212,191,.5),transparent 70%);
}
.side-cta h3{color:#fff;font-size:16px;margin-bottom:8px}
.side-cta p{font-size:13px;color:rgba(255,255,255,.82);line-height:1.7;margin-bottom:16px}
.side-cta .btn{width:100%;padding:11px 18px;font-size:14px}
@media (max-width:1023px){.side-col{display:grid;grid-template-columns:1fr;gap:0}}

/* ---------- related ---------- */
.section{padding:var(--gap-1) 0}
@media (min-width:768px){.section{padding:var(--gap-2) 0}}
@media (min-width:1024px){.section{padding:var(--gap-3) 0}}
.section-soft{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:28px}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;letter-spacing:-.01em}
.section-head p{font-size:14px;color:var(--ink-2);margin-top:8px;max-width:640px}
.link-more{font-size:14px;font-weight:600;color:var(--purple);position:relative;padding-bottom:4px}
.link-more::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--grad);border-radius:1px;
  transition:height .2s ease;
}
.link-more:hover::after{height:2px}
.news-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){.news-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}}
@media (min-width:1024px){.news-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}}
.news-card{
  display:flex;flex-direction:column;gap:12px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);
  padding:24px;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:#D9CFFF;box-shadow:var(--sh-2)}
.news-card .thumb{border-radius:var(--r-md);overflow:hidden;background:var(--purple-soft);aspect-ratio:16/9}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.news-card:hover .thumb img{transform:scale(1.04)}
.news-card h3{font-size:18px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card p{font-size:14px;line-height:1.7;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card .meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;font-size:13px;color:var(--ink-3)}
.news-card .meta i{transition:transform .3s ease;color:var(--purple)}
.news-card:hover .meta i{transform:translateX(4px)}
.news-card.wide{grid-column:span 1}
@media (min-width:1024px){.news-card.wide{grid-column:span 2;flex-direction:row;align-items:center;gap:26px}.news-card.wide .thumb{width:44%;aspect-ratio:4/3;flex-shrink:0}}

/* ---------- post nav ---------- */
.post-nav{display:grid;grid-template-columns:1fr;gap:14px;margin-top:32px}
@media (min-width:768px){.post-nav{grid-template-columns:1fr 1fr}}
.post-nav a{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:16px 20px;display:flex;flex-direction:column;gap:6px;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.post-nav a:hover{transform:translateY(-3px);border-color:#D9CFFF;box-shadow:var(--sh-1)}
.post-nav span{font-size:12.5px;color:var(--ink-3)}
.post-nav strong{font-size:15px;font-weight:600;color:var(--ink)}
.post-nav a:hover strong{color:var(--purple)}
.back-row{margin-top:24px;display:flex;justify-content:center}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--grad-dark);
  padding:64px 0;
}
@media (min-width:1024px){.cta-band{padding:84px 0}}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-120px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(45,212,191,.42),transparent 68%);pointer-events:none;
}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:760px;margin:0 auto}
.cta-inner h2{color:#fff;font-size:clamp(24px,3vw,32px);font-weight:700;letter-spacing:-.01em;margin-bottom:14px}
.cta-inner p{color:rgba(255,255,255,.84);font-size:15.5px;line-height:1.8;margin-bottom:28px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* ---------- footer ---------- */
.site-footer{position:relative;overflow:hidden;background:var(--dark);color:#B9B2D6}
.site-footer::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(109,40,217,.45),rgba(45,212,191,.16) 55%,transparent 72%);
  pointer-events:none;
}
.footer-inner{position:relative;z-index:2;padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-main{color:#fff}
.footer-brand .brand-sub{color:rgba(185,178,214,.75)}
.footer-desc{font-size:14px;line-height:1.8;color:#B9B2D6;max-width:380px;margin-bottom:18px}
.footer-contact{display:flex;flex-direction:column;gap:8px;font-size:13.5px;color:#B9B2D6}
.footer-contact span i{color:var(--teal-bright);margin-right:8px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px}
.footer-col a{display:block;font-size:14px;color:#B9B2D6;padding:5px 0;transition:color .2s ease}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-bottom{
  position:relative;z-index:2;margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(185,178,214,.85);
}
.footer-bottom .wrap{padding:0}
@media (max-width:767px){.footer-bottom{flex-direction:column}}

/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(12px)}
.reveal.in{opacity:1;transform:none;animation:fadeUp .45s ease forwards}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){
  .reveal,.reveal.in{opacity:1;transform:none;animation:none}
  html{scroll-behavior:auto}
  .news-card,.btn,.post-nav a{transition:none}
}

/* roulang page: category1 */
:root{
  --brand:#6D28D9;
  --brand-deep:#4C1D95;
  --brand-soft:#EDE7FF;
  --teal:#14B8A6;
  --cyan:#2DD4BF;
  --amber:#F59E0B;
  --bg:#F7F5FF;
  --card:#FFFFFF;
  --dark:#150C2E;
  --text:#1A1230;
  --text2:#5C5478;
  --text3:#8B84A3;
  --line:#E8E3F8;
  --line-strong:#D9CFFF;
  --grad:linear-gradient(135deg,#6D28D9 0%,#2DD4BF 100%);
  --grad-soft:linear-gradient(180deg,#F7F5FF 0%,#FFFFFF 100%);
  --r-xl:22px;
  --r-md:16px;
  --r-sm:10px;
  --r-xs:12px;
  --sh1:0 6px 24px rgba(76,29,149,.08);
  --sh2:0 16px 40px rgba(76,29,149,.16);
  --wrap:1200px;
  --pad:20px;
  --sec:56px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:15px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-md)}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(109,40,217,.25);outline-offset:2px;border-radius:8px}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad);width:100%}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;cursor:pointer;border:0;
  padding:12px 22px;border-radius:999px;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-primary{background-image:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(109,40,217,.22)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:var(--sh2)}
.btn-primary:active{transform:translateY(0) scale(.985)}
.btn-ghost{background:#fff;color:var(--brand);border:1.5px solid var(--brand);border-radius:14px}
.btn-ghost:hover{background:var(--brand-soft)}
.btn-ghost:active{transform:translateY(0) scale(.985)}
.btn-light{background:#fff;color:var(--brand);border-radius:999px}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(0,0,0,.22)}
.btn-line{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7);border-radius:14px}
.btn-line:hover{background:rgba(255,255,255,.14)}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-size:14px;font-weight:600;
  background:linear-gradient(90deg,#6D28D9,#2DD4BF) left bottom/100% 1px no-repeat;padding-bottom:3px}
.btn-text:hover{background-size:100% 2px}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:70;background:#fff;transition:background-color .3s ease,box-shadow .3s ease,border-color .3s ease;border-bottom:1px solid transparent}
.site-header.is-scrolled{background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line);box-shadow:0 4px 20px rgba(76,29,149,.06)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{width:40px;height:40px;flex:none;border-radius:12px;background-image:var(--grad);color:#fff;display:grid;place-items:center;font-weight:800;font-size:17px;box-shadow:0 6px 16px rgba(109,40,217,.28)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-main{font-size:15px;font-weight:800;color:var(--text);letter-spacing:-.01em}
.brand-sub{font-size:10.5px;letter-spacing:.18em;color:var(--text3);margin-top:2px}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{position:relative;font-size:15px;color:var(--text2);padding:6px 0;transition:color .2s ease}
.nav-links a:hover{color:var(--brand)}
.nav-links a.active{color:var(--brand);font-weight:600}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background-image:var(--grad)}
.nav-tail{display:flex;align-items:center;gap:14px}
.nav-cta{padding:10px 20px;font-size:14px}
.burger{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;position:relative;cursor:pointer}
.burger span,.burger::before,.burger::after{content:"";position:absolute;left:12px;right:12px;height:2px;border-radius:2px;background:var(--brand-deep);transition:transform .25s ease,opacity .25s ease}
.burger::before{top:15px}
.burger span{top:21px}
.burger::after{top:27px}

.drawer-mask{position:fixed;inset:0;background:rgba(21,12,46,.5);opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:80}
.drawer-mask.show{opacity:1;visibility:visible}
.nav-drawer{position:fixed;top:0;right:0;height:100%;width:min(320px,86vw);background:#fff;z-index:90;
  transform:translateX(105%);transition:transform .34s cubic-bezier(.22,.61,.36,1);
  padding:20px;display:flex;flex-direction:column;gap:18px;box-shadow:-20px 0 48px rgba(21,12,46,.18)}
.nav-drawer.show{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;font-size:20px;line-height:1;color:var(--text2);cursor:pointer}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-top:6px}
.drawer-links a{padding:13px 14px;border-radius:12px;font-size:15px;color:var(--text2);border:1px solid transparent}
.drawer-links a:hover{background:var(--bg);color:var(--brand)}
.drawer-links a.active{background:var(--brand-soft);color:var(--brand);font-weight:600;border-color:var(--line-strong)}
.drawer-cta{margin-top:auto;width:100%}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--grad-soft);border-bottom:1px solid var(--line)}
.page-hero .hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.webp');background-size:cover;background-position:center right;opacity:.14}
.page-hero .glow{position:absolute;top:-140px;right:-110px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(109,40,217,.5),rgba(45,212,191,.35) 45%,transparent 70%);
  filter:blur(80px);opacity:.35;pointer-events:none}
.page-hero .dots{position:absolute;inset:0;opacity:.06;pointer-events:none;
  background-image:radial-gradient(#4C1D95 1px,transparent 1px);background-size:18px 18px}
.page-hero .hero-inner{position:relative;z-index:2;padding:40px 0 52px;min-height:286px;display:flex;flex-direction:column;justify-content:center}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text3);margin-bottom:18px}
.crumbs a:hover{color:var(--brand)}
.crumbs span.sep{color:var(--line-strong)}
.crumbs .current{color:var(--brand);font-weight:600}
.page-hero h1{font-size:clamp(30px,4.2vw,44px);font-weight:800;letter-spacing:-.02em}
.lead{margin-top:16px;max-width:760px;font-size:17px;line-height:1.75;color:var(--text2)}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.badge{display:inline-flex;align-items:center;gap:8px;min-height:40px;padding:8px 16px;border-radius:999px;
  background:var(--brand-soft);border:1px solid var(--line-strong);font-size:13px;color:var(--text2)}
.badge b{font-family:Inter,-apple-system,"PingFang SC",sans-serif;font-variant-numeric:tabular-nums;
  font-size:17px;font-weight:800;color:var(--amber)}
.badge .unit{color:var(--brand-deep);font-weight:600}
.badge .tag{color:var(--text3)}

/* ---------- 板块 ---------- */
.section{padding:var(--sec) 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:28px}
.sec-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:700}
.sec-head p{margin-top:12px;color:var(--text2);font-size:15px}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.16em;color:var(--brand);background:var(--brand-soft);
  border-radius:999px;padding:5px 12px;margin-bottom:14px;font-weight:600}

/* ---------- 左文右图 ---------- */
.split{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:center}
.split-body h2{font-size:clamp(22px,2.5vw,30px);font-weight:700}
.split-body p{margin-top:14px;color:var(--text2)}
.check-list{margin-top:22px;display:grid;gap:14px}
.check-list li{display:grid;grid-template-columns:22px 1fr;gap:12px;align-items:start;font-size:15px;color:var(--text2)}
.check-list li b{display:block;color:var(--text);font-weight:600;font-size:15px}
.check-list .dot{width:22px;height:22px;border-radius:8px;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-size:12px;font-weight:800;margin-top:3px}
.figure{position:relative;border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh1);background:var(--brand-soft)}
.figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0;transition:transform .5s ease}
.figure:hover img{transform:scale(1.04)}
.figure figcaption{position:absolute;left:14px;bottom:14px;background:rgba(255,255,255,.94);border-radius:12px;
  padding:8px 14px;font-size:13px;color:var(--text2);box-shadow:var(--sh1)}

/* ---------- 条目列表（两列图文行） ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:8px}
.entry-item{display:grid;grid-template-columns:104px 1fr;gap:16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:16px;box-shadow:var(--sh1);transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease}
.entry-item:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--sh2)}
.entry-item img{width:104px;height:104px;object-fit:cover;border-radius:12px;background:var(--brand-soft)}
.entry-item h3{font-size:16px;font-weight:600}
.entry-item p{margin-top:8px;font-size:13.5px;color:var(--text2);line-height:1.7}
.entry-item .label{display:inline-block;margin-bottom:8px;font-size:12px;color:var(--brand);background:var(--brand-soft);
  border-radius:999px;padding:3px 10px}

/* ---------- 准备清单 ---------- */
.prep-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.prep-card{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-md);padding:22px;transition:transform .28s ease,box-shadow .28s ease}
.prep-card:hover{transform:translateY(-4px);box-shadow:var(--sh1)}
.prep-card .num{font-family:Inter,sans-serif;font-variant-numeric:tabular-nums;font-size:22px;font-weight:800;color:var(--brand);
  opacity:.55;letter-spacing:-.02em}
.prep-card h3{font-size:17px;font-weight:600;margin-top:10px}
.prep-card p{margin-top:8px;font-size:14px;color:var(--text2);line-height:1.7}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:860px;margin:0 auto}
.faq-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  transition:background-color .28s ease,border-color .28s ease,box-shadow .28s ease}
.faq-item:hover{border-color:var(--line-strong)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;
  padding:18px 20px;font-size:16px;font-weight:600;color:var(--text);background:transparent;border:0;cursor:pointer}
.faq-sign{position:relative;width:20px;height:20px;flex:none}
.faq-sign::before,.faq-sign::after{content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .3s ease,opacity .3s ease}
.faq-sign::before{left:3px;top:9px;width:14px;height:2px}
.faq-sign::after{left:9px;top:3px;width:2px;height:14px}
.faq-item.open .faq-sign::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 20px;font-size:15px;color:var(--text2);line-height:1.75}
.faq-item.open{background:var(--bg);border-color:var(--line-strong);box-shadow:var(--sh1)}
.faq-item.open::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:0 3px 3px 0;background-image:var(--grad)}
.faq-item.open .faq-a{padding:0 20px 20px}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:28px;background-image:linear-gradient(135deg,#4C1D95 0%,#6D28D9 46%,#14B8A6 100%);
  padding:52px 40px;text-align:center;color:#fff;box-shadow:0 24px 60px rgba(76,29,149,.28)}
.cta-band h2{font-size:clamp(24px,3vw,32px);font-weight:800;color:#fff}
.cta-band p{margin:14px auto 0;max-width:620px;font-size:15px;color:rgba(255,255,255,.86)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:26px}
.cta-form{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:26px}
.cta-form input{height:48px;min-width:260px;flex:1 1 260px;max-width:360px;padding:0 16px;border-radius:12px;border:1px solid rgba(255,255,255,.42);
  background:rgba(255,255,255,.14);color:#fff;font-size:14px}
.cta-form input::placeholder{color:rgba(255,255,255,.72)}
.cta-form input:focus{outline:none;border-color:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.25)}
.cta-bulb{position:absolute;right:-70px;bottom:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.28),transparent 68%);pointer-events:none}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;overflow:hidden;background:var(--dark);color:#B9B2D6;margin-top:64px;border-radius:28px 28px 0 0}
.site-footer::after{content:"";position:absolute;top:-120px;right:-80px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(109,40,217,.42),rgba(45,212,191,.22) 55%,transparent 72%);filter:blur(70px);pointer-events:none}
.footer-inner{position:relative;z-index:2;padding:52px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px}
.footer-brand .brand-main{color:#fff}
.footer-brand .brand-sub{color:rgba(185,178,214,.75)}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:#B9B2D6;max-width:340px}
.footer-contact{margin-top:16px;display:grid;gap:6px;font-size:13px;color:rgba(185,178,214,.85)}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:14px}
.footer-col a{display:block;font-size:14px;color:#B9B2D6;padding:5px 0;transition:color .2s ease}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-bottom{margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(185,178,214,.72)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .45s ease,transform .45s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (min-width:768px){:root{--pad:24px}}
@media (min-width:1024px){
  :root{--pad:40px}
  :root{--sec:96px}
}
@media (max-width:1023px){
  .nav-links,.nav-cta{display:none}
  .burger{display:block}
  .split{grid-template-columns:1fr;gap:24px}
  .prep-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  :root{--sec:72px}
}
@media (max-width:767px){
  .entry-grid{grid-template-columns:1fr}
  .prep-grid{grid-template-columns:1fr}
  .page-hero .hero-inner{padding:30px 0 40px;min-height:260px}
  .cta-band{padding:38px 22px;border-radius:22px}
  .footer-grid{grid-template-columns:1fr}
  :root{--sec:56px}
}
@media (max-width:520px){
  .brand-main{font-size:14px}
  .brand-sub{letter-spacing:.12em;font-size:10px}
  .entry-item{grid-template-columns:1fr}
  .entry-item img{width:100%;height:170px}
  .cta-form input{max-width:100%}
  .footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --primary:#6D28D9;
  --primary-deep:#4C1D95;
  --primary-light:#EDE7FF;
  --primary-soft:#F7F5FF;
  --teal:#14B8A6;
  --teal-bright:#2DD4BF;
  --amber:#F59E0B;
  --bg:#F7F5FF;
  --card:#FFFFFF;
  --dark:#150C2E;
  --text:#1A1230;
  --text-2:#5C5478;
  --text-3:#8B84A3;
  --line:#E8E3F8;
  --line-strong:#D9CFFF;
  --grad:linear-gradient(135deg,#6D28D9 0%,#2DD4BF 100%);
  --grad-deep:linear-gradient(135deg,#4C1D95 0%,#6D28D9 52%,#14B8A6 100%);
  --shadow-sm:0 6px 24px rgba(76,29,149,.08);
  --shadow-md:0 10px 30px rgba(76,29,149,.10);
  --shadow-lg:0 16px 40px rgba(76,29,149,.16);
  --r-lg:22px;
  --r-md:16px;
  --r-sm:10px;
  --r-input:12px;
  --gutter:20px;
  --container:1200px;
  --sec-gap:56px;
}
@media (min-width:768px){:root{--gutter:24px;--sec-gap:72px;}}
@media (min-width:1024px){:root{--gutter:40px;--sec-gap:96px;}}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
.page-body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
.page-body a{color:inherit;text-decoration:none;}
.page-body img{display:block;max-width:100%;height:auto;}
.page-body p{margin:0;}
.page-body ul,.page-body ol{margin:0;padding:0;list-style:none;}
.page-body button{font-family:inherit;font-size:inherit;border:0;background:none;color:inherit;cursor:pointer;}
.page-body :focus-visible{outline:3px solid rgba(109,40,217,.25);outline-offset:2px;border-radius:8px;}

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

/* ================= 导航 ================= */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .3s ease,box-shadow .3s ease;
}
.site-header.scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 6px 24px rgba(76,29,149,.06);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;height:60px;}
@media (min-width:1024px){.nav{height:72px;}}

.brand{display:flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex:none;
  background:var(--grad);color:#fff;
  display:grid;place-items:center;
  font-size:17px;font-weight:800;
  box-shadow:0 8px 20px rgba(109,40,217,.28);
}
@media (min-width:1024px){.brand-mark{width:42px;height:42px;font-size:18px;}}
.brand-text{display:flex;flex-direction:column;line-height:1.2;min-width:0;}
.brand-main{font-size:15px;font-weight:800;letter-spacing:-.01em;color:var(--text);white-space:nowrap;}
.brand-sub{font-size:10px;letter-spacing:.18em;color:var(--text-3);font-weight:500;white-space:nowrap;}
@media (min-width:1024px){.brand-main{font-size:16px;}}

.nav-links{display:none;align-items:center;gap:30px;}
@media (min-width:1024px){.nav-links{display:flex;}}
.nav-links a{
  position:relative;
  font-size:15px;color:var(--text-2);
  padding:4px 0;
  transition:color .22s ease;
}
.nav-links a:hover{color:var(--primary);}
.nav-links a.active{color:var(--primary);font-weight:600;}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;
  height:2px;border-radius:2px;background:var(--grad);
}
.nav-tail{display:flex;align-items:center;gap:12px;flex:none;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:600;white-space:nowrap;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background-color .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{
  background:var(--grad);color:#fff;
  border-radius:999px;padding:11px 22px;font-size:14px;
  box-shadow:0 8px 22px rgba(109,40,217,.26);
}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 14px 30px rgba(109,40,217,.34);}
.btn-primary:active{transform:translateY(0) scale(.985);}
@media (min-width:1024px){.btn-primary{padding:12px 26px;font-size:15px;}}

.burger{
  display:block;position:relative;flex:none;
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  transition:border-color .25s ease,background-color .25s ease;
}
.burger:hover{border-color:var(--line-strong);background:var(--primary-light);}
.burger span{position:absolute;left:50%;top:50%;width:18px;height:2px;border-radius:2px;background:var(--text);transform:translate(-50%,-50%);transition:.3s;}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;border-radius:2px;background:var(--text);transition:.3s;}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}
@media (min-width:1024px){.burger{display:none;}}

/* 移动端抽屉 */
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:120;
  width:min(320px,84vw);
  background:#fff;padding:24px;
  display:flex;flex-direction:column;gap:24px;
  transform:translateX(100%);
  transition:transform .35s cubic-bezier(.4,0,.2,1);
  box-shadow:-16px 0 44px rgba(21,12,46,.18);
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-mask{
  position:fixed;inset:0;z-index:110;
  background:rgba(21,12,46,.5);
  opacity:0;visibility:hidden;transition:.3s ease;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer-head{display:flex;align-items:center;gap:10px;padding-bottom:18px;border-bottom:1px solid var(--line);}
.drawer-links{display:flex;flex-direction:column;gap:4px;}
.drawer-links a{padding:12px 14px;border-radius:12px;font-size:15px;color:var(--text-2);transition:.2s;}
.drawer-links a:hover{background:var(--primary-light);color:var(--primary);}
.drawer-links a.active{background:var(--primary-light);color:var(--primary);font-weight:600;}

/* ================= 分类页 Hero ================= */
.cat-hero{
  position:relative;overflow:hidden;
  background:var(--primary-light);
  padding:36px 0 48px;
  min-height:260px;
  display:flex;align-items:center;
}
@media (min-width:1024px){.cat-hero{padding:48px 0 60px;min-height:320px;}}
.cat-hero::before{
  content:"";position:absolute;
  width:520px;height:520px;right:-160px;top:-240px;border-radius:50%;
  background:radial-gradient(circle,rgba(109,40,217,.42),rgba(109,40,217,0) 70%);
  filter:blur(48px);opacity:.55;pointer-events:none;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(109,40,217,.18) 1px,transparent 1px);
  background-size:22px 22px;
  opacity:.35;
  mask-image:linear-gradient(120deg,rgba(0,0,0,.9),transparent 70%);
  -webkit-mask-image:linear-gradient(120deg,rgba(0,0,0,.9),transparent 70%);
}
.cat-hero-inner{position:relative;z-index:2;width:100%;}

.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;flex-wrap:wrap;}
.crumbs a{color:var(--text-3);transition:color .2s;}
.crumbs a:hover{color:var(--primary);}
.crumbs .cur{color:var(--primary);font-weight:600;}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.16em;color:var(--primary-deep);
  background:rgba(255,255,255,.72);
  border:1px solid rgba(109,40,217,.18);
  border-radius:999px;padding:5px 14px;margin-bottom:16px;
}
.cat-hero h1{
  margin:0 0 14px;
  font-size:clamp(28px,3.6vw,44px);
  font-weight:800;line-height:1.18;letter-spacing:-.02em;color:var(--text);
  max-width:820px;
}
.cat-hero-sub{
  font-size:16px;line-height:1.7;color:var(--text-2);
  max-width:640px;
}
.hero-badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:40px;padding:8px 16px;border-radius:999px;
  background:#fff;
  border:1px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;
  background-clip:padding-box,border-box;
  box-shadow:var(--shadow-sm);
  font-size:13px;color:var(--text-2);
}
.badge b{
  font-family:Inter,-apple-system,sans-serif;
  font-variant-numeric:tabular-nums;
  font-size:17px;font-weight:800;color:var(--amber);
}
.badge i{font-style:normal;font-size:12px;color:var(--text-3);}

/* ================= 通用区块 ================= */
.section{padding:var(--sec-gap) 0;}
.section-alt{background:#fff;}
.section-head{
  display:flex;flex-direction:column;gap:12px;
  margin-bottom:32px;
}
@media (min-width:1024px){
  .section-head{flex-direction:row;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:44px;}
}
.kicker{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.18em;
  color:var(--primary);margin-bottom:8px;
}
.section-title{
  margin:0;
  font-size:clamp(22px,2.6vw,32px);
  font-weight:700;line-height:1.3;letter-spacing:-.015em;color:var(--text);
}
.section-desc{
  font-size:15px;line-height:1.75;color:var(--text-2);max-width:520px;
}

/* ================= 图集网格（2 大 2 小） ================= */
.gallery{display:grid;grid-template-columns:1fr;gap:18px;}
@media (min-width:768px){.gallery{grid-template-columns:repeat(12,1fr);gap:24px;}}
.g-item{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:var(--primary-light);
  box-shadow:var(--shadow-sm);
  height:240px;
  transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.g-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--line-strong);}
.g-item img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.g-item:hover img{transform:scale(1.04);}
@media (min-width:768px){
  .g-a{grid-column:span 7;height:330px;}
  .g-b{grid-column:span 5;height:330px;}
  .g-c{grid-column:span 5;height:236px;}
  .g-d{grid-column:span 7;height:236px;}
}
.g-cap{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:26px 24px 22px;
  background:linear-gradient(to top,rgba(21,12,46,.86),rgba(21,12,46,.34) 55%,rgba(21,12,46,0));
  color:#fff;
}
.g-cap h3{margin:0 0 6px;font-size:18px;font-weight:700;line-height:1.35;}
.g-cap p{margin:0;font-size:13px;line-height:1.6;color:rgba(255,255,255,.84);}
.g-tag{
  display:inline-block;margin-bottom:10px;
  font-size:11px;font-weight:700;letter-spacing:.14em;
  padding:4px 10px;border-radius:8px;
  background:rgba(255,255,255,.2);
  border:1px solid rgba(255,255,255,.34);
  color:#fff;
}

/* ================= 服务条目列表 ================= */
.scope-list{display:grid;gap:16px;}
@media (min-width:1024px){.scope-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}}
.scope-item{
  position:relative;
  display:flex;gap:18px;align-items:flex-start;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px 24px 24px 28px;
  box-shadow:var(--shadow-sm);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.scope-item::before{
  content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;border-radius:0 3px 3px 0;
  background:var(--grad);
}
.scope-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.scope-idx{
  font-family:Inter,-apple-system,sans-serif;
  font-variant-numeric:tabular-nums;
  font-size:13px;font-weight:800;color:var(--primary);
  background:var(--primary-light);
  border-radius:8px;padding:3px 9px;flex:none;margin-top:2px;
}
.scope-body h3{margin:0 0 8px;font-size:17px;font-weight:700;line-height:1.4;}
.scope-body p{margin:0;font-size:14px;line-height:1.75;color:var(--text-2);}

/* ================= 开通流程 ================= */
.flow{
  position:relative;
  display:grid;gap:18px;
  grid-template-columns:1fr;
}
@media (min-width:640px){.flow{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}}
@media (min-width:1024px){.flow{grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}}
.flow::before{
  content:"";position:absolute;left:0;right:0;top:-14px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,rgba(109,40,217,.5),rgba(45,212,191,.5));
  opacity:.5;
}
@media (max-width:639px){.flow::before{display:none;}}
.step{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 24px 26px;
  box-shadow:var(--shadow-sm);
  transition:transform .3s ease,box-shadow .3s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);}
.step-num{
  display:block;margin-bottom:14px;
  font-family:Inter,-apple-system,sans-serif;
  font-variant-numeric:tabular-nums;
  font-size:42px;font-weight:800;line-height:1;letter-spacing:-.03em;
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
  opacity:.38;
}
.step h3{margin:0 0 8px;font-size:18px;font-weight:600;line-height:1.4;}
.step p{margin:0;font-size:14px;line-height:1.75;color:var(--text-2);}

/* ================= 要点问答 ================= */
.qa-grid{display:grid;gap:18px;grid-template-columns:1fr;}
@media (min-width:768px){.qa-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}}
.qa-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px;
  box-shadow:var(--shadow-sm);
  position:relative;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.qa-card::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;border-radius:0 3px 3px 0;
  background:var(--grad);opacity:.9;
}
.qa-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--line-strong);}
.qa-q{display:flex;align-items:flex-start;gap:10px;margin-bottom:10px;}
.qa-mark{
  flex:none;width:26px;height:26px;border-radius:8px;
  background:var(--grad);color:#fff;
  display:grid;place-items:center;
  font-size:12px;font-weight:800;
  margin-top:2px;
}
.qa-q h3{margin:0;font-size:16px;font-weight:600;line-height:1.5;}
.qa-a{margin:0 0 0 36px;font-size:14px;line-height:1.8;color:var(--text-2);}
@media (max-width:520px){.qa-a{margin-left:0;}}

/* ================= CTA ================= */
.cta{
  position:relative;overflow:hidden;
  background:var(--grad-deep);
  padding:64px 0;
}
@media (min-width:1024px){.cta{padding:88px 0;}}
.cta::after{
  content:"";position:absolute;right:-120px;bottom:-160px;
  width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.18),rgba(255,255,255,0) 70%);
  filter:blur(30px);pointer-events:none;
}
.cta::before{
  content:"";position:absolute;left:-120px;top:-140px;
  width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(45,212,191,.28),rgba(45,212,191,0) 70%);
  filter:blur(40px);pointer-events:none;
}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:760px;margin:0 auto;}
.cta h2{
  margin:0 0 16px;
  font-size:clamp(22px,3vw,32px);
  font-weight:700;line-height:1.35;color:#fff;letter-spacing:-.015em;
}
.cta p{margin:0 auto 32px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.82);max-width:600px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.btn-light{
  background:#fff;color:var(--primary);
  border-radius:999px;padding:13px 30px;font-size:15px;
  box-shadow:0 10px 26px rgba(21,12,46,.24);
}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(21,12,46,.3);}
.btn-light:active{transform:translateY(0) scale(.985);}
.btn-line{
  background:transparent;color:#fff;
  border:1.5px solid rgba(255,255,255,.7);
  border-radius:14px;padding:13px 28px;font-size:15px;
}
.btn-line:hover{background:rgba(255,255,255,.14);border-color:#fff;}

/* ================= 页脚 ================= */
.site-footer{
  position:relative;overflow:hidden;
  background:var(--dark);
  color:#B9B2D6;
  padding:56px 0 0;
}
@media (min-width:1024px){.site-footer{padding-top:72px;}}
.site-footer::after{
  content:"";position:absolute;right:-160px;top:-180px;
  width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(109,40,217,.4),rgba(45,212,191,.12) 55%,rgba(21,12,46,0) 72%);
  filter:blur(50px);pointer-events:none;
}
.footer-inner{position:relative;z-index:2;}
.footer-grid{display:grid;gap:36px;grid-template-columns:1fr;}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:40px;height:40px;font-size:17px;}
.footer-brand .brand-main{color:#fff;}
.footer-brand .brand-sub{color:rgba(185,178,214,.7);}
.footer-desc{font-size:14px;line-height:1.8;color:#B9B2D6;max-width:400px;margin:0 0 18px;}
.footer-contact{display:flex;flex-direction:column;gap:8px;font-size:13px;color:rgba(185,178,214,.82);}
.footer-contact span{display:flex;align-items:center;gap:8px;}
.footer-contact span::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--grad);flex:none;
}
.footer-col h4{margin:0 0 16px;font-size:14px;font-weight:700;color:#fff;letter-spacing:.04em;}
.footer-col a{
  display:block;
  font-size:14px;color:#B9B2D6;padding:6px 0;
  transition:color .22s ease;
}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;}
.footer-bottom{
  margin-top:44px;
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 26px;
  display:flex;flex-direction:column;gap:8px;
  font-size:13px;color:rgba(185,178,214,.72);
}
@media (min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;}}

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