/* roulang page: index */
:root{
  --brand-a:#E0197F;
  --brand-b:#6C2BD9;
  --brand-grad:linear-gradient(135deg,#6C2BD9,#E0197F);
  --ink:#17102B;
  --bg:#FAF7FB;
  --card:#FFFFFF;
  --surface:#F2EEF7;
  --line:#F1EDF6;
  --border:#ECE8F2;
  --mint:#14C4A0;
  --amber:#FFB020;
  --t1:#1B1526;
  --t2:#5A5470;
  --t3:#8B86A0;
  --r-lg:22px;
  --r-md:16px;
  --r-btn:14px;
  --sh-1:0 8px 24px rgba(23,16,43,.06);
  --sh-2:0 18px 40px rgba(23,16,43,.14);
  --sh-3:0 24px 64px rgba(23,16,43,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--t1);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
@media(min-width:640px){.container{padding:0 28px;}}
@media(min-width:1024px){.container{padding:0 32px;}}
@media(min-width:1280px){.container{max-width:1280px;}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;text-align:center;
  transition:transform .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease),border-color .2s var(--ease);
}
.btn-lg{height:52px;padding:0 28px;font-size:16px;}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 10px 24px rgba(224,25,127,.28);}
.btn-primary:hover{filter:brightness(1.05);transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0) scale(.98);}
.btn-secondary{background:#fff;border-color:var(--brand-b);color:var(--brand-b);}
.btn-secondary:hover{background:var(--surface);}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--t1);}
.btn-ghost:hover{background:var(--surface);}
.btn-ghost-light{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.5);color:#fff;}
.btn-ghost-light:hover{background:rgba(255,255,255,.16);}
.btn:disabled,.btn[disabled]{opacity:.6;cursor:not-allowed;transform:none;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand-b);outline-offset:2px;border-radius:6px;
}

/* ---------- 文字链 ---------- */
.link-more{position:relative;display:inline-block;color:var(--brand-a);font-weight:600;font-size:14.5px;}
.link-more::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:1.5px;
  background:var(--brand-grad);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.link-more:hover::after{transform:scaleX(1);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid transparent;
  transition:background .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.site-header.scrolled{
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-bottom-color:var(--border);
  box-shadow:0 6px 24px rgba(23,16,43,.06);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px;}

.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--brand-grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;box-shadow:0 6px 16px rgba(108,43,217,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.18;}
.logo-text b{font-size:16px;font-weight:700;color:var(--t1);}
.logo-text i{font-size:12px;font-style:normal;color:var(--t2);}
@media(max-width:639px){
  .logo-text i{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
}

.nav-pill{display:none;}
@media(min-width:1024px){
  .nav-pill{display:flex;align-items:center;gap:4px;background:var(--surface);border-radius:999px;padding:4px;}
}
.nav-pill a{
  padding:8px 16px;border-radius:999px;font-size:14.5px;font-weight:600;color:var(--t2);
  transition:background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-pill a:hover{background:#fff;color:var(--brand-b);}
.nav-pill a.active{background:var(--brand-grad);color:#fff;box-shadow:0 6px 16px rgba(108,43,217,.26);}

.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-sub{display:none;}
@media(min-width:1024px){.nav-sub{display:inline-block;font-size:14.5px;font-weight:600;color:var(--t2);transition:color .2s var(--ease);}}
.nav-sub:hover{color:var(--brand-b);}
.nav-cta{display:none;}
@media(min-width:1024px){.nav-cta{display:inline-flex;}}

.burger{
  width:44px;height:44px;display:flex;align-items:center;justify-content:center;
  border-radius:12px;background:var(--surface);border:1px solid var(--border);cursor:pointer;
}
@media(min-width:1024px){.burger{display:none;}}
.burger span{display:block;width:18px;height:2px;background:var(--t1);border-radius:2px;position:relative;}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--t1);border-radius:2px;
}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}

.drawer-mask{
  position:fixed;inset:0;background:rgba(23,16,43,.45);z-index:90;
  opacity:0;pointer-events:none;transition:opacity .26s var(--ease);
}
.drawer-mask.open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:360px;background:#fff;
  border-radius:24px 0 0 24px;z-index:100;display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .26s var(--ease);
  box-shadow:var(--sh-3);
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:20px 22px 12px;}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--border);background:var(--surface);cursor:pointer;font-size:18px;line-height:1;color:var(--t2);}
.drawer-nav{padding:8px 22px;flex:1;overflow-y:auto;}
.drawer-nav a{
  display:flex;align-items:center;height:56px;font-size:18px;font-weight:600;color:var(--t1);
  border-bottom:1px solid var(--line);position:relative;padding-left:0;transition:padding .2s var(--ease),color .2s var(--ease);
}
.drawer-nav a.active{color:var(--brand-b);}
.drawer-nav a.active::before{
  content:"";position:absolute;left:-22px;top:12px;bottom:12px;width:3px;background:var(--brand-grad);border-radius:0 3px 3px 0;
}
.drawer-foot{padding:16px 22px 26px;display:flex;flex-direction:column;gap:12px;border-top:1px solid var(--line);}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink);}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;}
.hero-veil{
  position:absolute;inset:0;
  background:
    linear-gradient(135deg,rgba(108,43,217,.90) 0%,rgba(224,25,127,.88) 100%),
    radial-gradient(120% 90% at 18% 8%,rgba(23,16,43,.34),rgba(23,16,43,.10) 62%);
}
.hero-inner{
  position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:40px;
  padding-top:56px;padding-bottom:64px;
}
@media(min-width:1024px){
  .hero-inner{grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding-top:88px;padding-bottom:96px;}
}
@media(min-width:1280px){
  .hero-inner{padding-top:104px;padding-bottom:112px;}
}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);
  color:#fff;font-size:13px;font-weight:600;letter-spacing:.04em;
}
.hero-kicker i{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(20,196,160,.22);}
.hero h1{
  color:#fff;font-size:clamp(28px,5vw,46px);line-height:1.2;font-weight:700;
  letter-spacing:0;margin-top:20px;max-width:16em;
}
.hero-sub{
  color:rgba(255,255,255,.92);font-size:clamp(15px,2vw,17px);line-height:1.7;
  margin-top:16px;max-width:32em;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:16px 32px;margin-top:36px;}
.hero-stats div{display:flex;flex-direction:column;}
.hero-stats b{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-variant-numeric:tabular-nums;font-size:24px;font-weight:700;color:#fff;line-height:1.25;
}
.hero-stats span{font-size:13px;color:rgba(255,255,255,.76);}

.hero-card{
  position:relative;background:#fff;border-radius:24px;padding:34px 28px 28px;
  box-shadow:var(--sh-3);overflow:hidden;
}
.hero-card::before{content:"";position:absolute;top:0;left:0;right:0;height:6px;background:var(--brand-grad);}
.hero-card h2{font-size:20px;font-weight:700;line-height:1.4;}
.hero-card .card-hint{font-size:13.5px;color:var(--t2);margin-top:6px;}
.login-form{margin-top:22px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13px;color:var(--t2);margin-bottom:7px;font-weight:500;}
.input{
  width:100%;height:50px;border-radius:14px;border:1px solid var(--border);background:#fff;
  padding:0 16px;font-size:15px;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.input::placeholder{color:var(--t3);}
.input:focus{border-color:var(--brand-b);box-shadow:0 0 0 3px rgba(108,43,217,.14);}
.form-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:4px 0 20px;flex-wrap:wrap;}
.check{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:var(--t2);cursor:pointer;}
.check input{accent-color:var(--brand-b);width:16px;height:16px;}
.form-submit{width:100%;}
.form-note{font-size:12.5px;color:var(--t3);margin-top:14px;line-height:1.7;}

/* ---------- 数据徽章条 ---------- */
.databar{background:var(--ink);}
.databar-inner{
  display:grid;grid-template-columns:repeat(2,1fr);gap:24px 20px;padding:28px 0;
}
@media(min-width:640px){.databar-inner{grid-template-columns:repeat(4,1fr);padding:32px 0;}}
@media(min-width:1024px){.databar-inner{padding:36px 0;}}
.databar-item{position:relative;padding-right:16px;}
.databar-item:not(:last-child)::after{
  content:"";position:absolute;right:0;top:8px;bottom:8px;width:1px;background:linear-gradient(180deg,transparent,rgba(224,25,127,.55),transparent);
}
@media(max-width:639px){.databar-item:nth-child(2n)::after{display:none;}}
.databar-item b{
  display:block;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-variant-numeric:tabular-nums;font-size:clamp(24px,3.4vw,34px);font-weight:700;color:#fff;line-height:1.2;
}
.databar-item b em{font-style:normal;font-size:14px;color:var(--mint);margin-left:4px;font-weight:600;}
.databar-item span{font-size:13px;color:rgba(255,255,255,.62);}

/* ---------- 区块 ---------- */
.sec{padding:56px 0;}
@media(min-width:640px){.sec{padding:72px 0;}}
@media(min-width:1024px){.sec{padding:96px 0;}}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:32px;}
.sec-head-in{max-width:40em;}
.sec-head h2{
  position:relative;padding-left:18px;font-size:clamp(24px,3.2vw,32px);
  line-height:1.3;font-weight:700;letter-spacing:0;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.28em;width:5px;height:.82em;border-radius:999px;background:var(--brand-grad);
}
.sec-sub{color:var(--t2);font-size:14.5px;line-height:1.7;margin-top:10px;}

/* ---------- 卡片 ---------- */
.card{
  position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(108,43,217,.26);}
.card-body{padding:20px 22px 24px;}

.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;}
.tag-grad{background:var(--brand-grad);color:#fff;}
.tag-soft{background:var(--surface);color:var(--brand-b);}

.dbadge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
  background:var(--surface);font-size:12px;font-weight:600;color:var(--t2);
}
.dbadge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mint);flex:0 0 auto;}
.dbadge b{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;color:var(--t1);}

.stars{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--t2);}
.stars .s{color:var(--amber);font-size:15px;letter-spacing:2px;line-height:1;}

/* ---------- 爆款网格 ---------- */
.feature-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:640px){.feature-grid{grid-template-columns:repeat(2,1fr);gap:24px;}}
@media(min-width:1024px){.feature-grid{grid-template-columns:repeat(4,1fr);gap:24px;}}
.feature-hero{grid-column:span 1;}
@media(min-width:640px){.feature-hero{grid-column:span 2;}}
@media(min-width:1024px){.feature-hero{grid-column:span 2;grid-row:span 2;}}
.feature-hero .feature-media{overflow:hidden;}
.feature-hero .feature-media img{width:100%;height:210px;object-fit:cover;transition:transform .3s var(--ease);}
.feature-hero:hover .feature-media img{transform:scale(1.04);}
@media(min-width:640px){.feature-hero .feature-media img{height:260px;}}
@media(min-width:1024px){.feature-hero .feature-media img{height:320px;}}
.feature-hero .card-body{padding:24px 26px 28px;display:flex;flex-direction:column;gap:14px;}
.feature-hero h3{font-size:22px;font-weight:600;line-height:1.4;}
.feature-hero p{color:var(--t2);font-size:15px;line-height:1.8;}
.chips{display:flex;flex-wrap:wrap;gap:8px;}
.chips li{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  background:var(--surface);color:var(--t2);font-size:12.5px;font-weight:600;
}
.chips li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brand-a);}

.mini-card{display:flex;flex-direction:column;}
.mini-media{position:relative;overflow:hidden;}
.mini-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s var(--ease);}
.mini-card:hover .mini-media img{transform:scale(1.04);}
.mini-card h3{font-size:20px;font-weight:600;line-height:1.4;}
.mini-card p{color:var(--t2);font-size:14px;line-height:1.75;margin-top:10px;}
.mini-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;}
.mini-foot .go{font-size:14px;font-weight:600;color:var(--brand-a);display:inline-flex;align-items:center;gap:6px;transition:gap .2s var(--ease);}
.mini-card:hover .mini-foot .go{gap:10px;}

/* ---------- 评价轮播 ---------- */
.review-shell{position:relative;}
.review-track{
  display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:8px 4px 20px;scrollbar-width:none;-ms-overflow-style:none;
}
.review-track::-webkit-scrollbar{display:none;}
.review-card{
  flex:0 0 82vw;max-width:320px;scroll-snap-align:start;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  padding:22px;box-shadow:var(--sh-1);
}
@media(min-width:640px){.review-card{flex:0 0 320px;}}
.review-top{display:flex;align-items:center;gap:12px;}
.avatar{
  width:40px;height:40px;border-radius:50%;flex:0 0 auto;
  background:linear-gradient(135deg,#EFE7FA,#FBE4F1);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;color:var(--brand-b);
}
.review-name{font-size:14.5px;font-weight:600;line-height:1.3;}
.review-time{font-size:12.5px;color:var(--t3);}
.review-text{margin-top:14px;font-size:14.5px;color:var(--t2);line-height:1.8;}
.review-arrows{display:none;}
@media(min-width:1024px){
  .review-arrows{display:flex;gap:12px;}
  .review-arrow{
    width:44px;height:44px;border-radius:50%;background:#fff;border:1px solid var(--border);
    box-shadow:var(--sh-1);display:flex;align-items:center;justify-content:center;
    cursor:pointer;color:var(--brand-b);transition:transform .2s var(--ease),box-shadow .2s var(--ease);
  }
  .review-arrow:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
}
.review-dots{display:flex;gap:8px;justify-content:center;margin-top:6px;}
.review-dots button{
  width:8px;height:8px;border-radius:999px;border:0;padding:0;background:#DCD4E8;
  cursor:pointer;transition:width .24s var(--ease),background .24s var(--ease);
}
.review-dots button.active{width:22px;background:var(--brand-grad);}

/* ---------- 保障条 ---------- */
.guarantee{
  background:var(--surface);border-radius:var(--r-lg);
  padding:32px 24px;display:grid;grid-template-columns:1fr;gap:26px;
}
@media(min-width:640px){.guarantee{grid-template-columns:repeat(2,1fr);padding:36px 32px;gap:28px;}}
@media(min-width:1024px){.guarantee{grid-template-columns:repeat(4,1fr);padding:40px;gap:28px;}}
.guarantee-item{display:flex;gap:14px;align-items:flex-start;}
.guarantee-item svg{flex:0 0 24px;color:var(--brand-b);margin-top:2px;}
.guarantee-item h3{font-size:15.5px;font-weight:600;line-height:1.5;}
.guarantee-item p{font-size:13.5px;color:var(--t2);line-height:1.7;margin-top:6px;}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr);gap:24px;}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr);gap:24px;}}
.news-card{display:flex;flex-direction:column;text-decoration:none;color:inherit;}
.news-media{position:relative;overflow:hidden;display:block;}
.news-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s var(--ease);}
.news-card:hover .news-media img{transform:scale(1.04);}
.news-cat{position:absolute;left:12px;top:12px;}
.news-card h3{
  font-size:18px;font-weight:600;line-height:1.5;margin-top:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card p{
  color:var(--t2);font-size:14px;line-height:1.75;margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:16px;font-size:13px;color:var(--t3);
}
.news-meta .arrow{transition:transform .2s var(--ease);color:var(--brand-a);}
.news-card:hover .news-meta .arrow{transform:translateX(4px);}

.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  background:#fff;border:1px dashed var(--border);border-radius:var(--r-lg);
  padding:32px 24px;text-align:center;
}
.empty-state svg{color:rgba(108,43,217,.4);}
.empty-state p{font-size:14px;color:var(--t2);}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:1fr;gap:28px;}
@media(min-width:1024px){.faq-wrap{grid-template-columns:340px 1fr;gap:56px;align-items:start;}}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:16px;
  margin-bottom:12px;overflow:hidden;position:relative;
  transition:background .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item:last-child{margin-bottom:0;}
.faq-item[open]{background:#FBF7FD;border-color:transparent;box-shadow:var(--sh-1);}
.faq-item[open]::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--brand-grad);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  font-size:16px;font-weight:600;line-height:1.5;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .arrow{flex:0 0 auto;color:var(--t3);transition:transform .24s var(--ease);}
.faq-item[open] summary .arrow{transform:rotate(180deg);}
.faq-body{padding:0 22px 20px;color:var(--t2);font-size:14.5px;line-height:1.8;}

/* ---------- CTA 条 ---------- */
.cta-band{position:relative;background:var(--ink);overflow:hidden;}
.cta-band::after{
  content:"";position:absolute;right:-100px;top:-120px;width:440px;height:440px;border-radius:50%;
  background:radial-gradient(circle,rgba(224,25,127,.45),transparent 68%);pointer-events:none;
}
.cta-band::before{
  content:"";position:absolute;left:8%;bottom:-160px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(108,43,217,.4),transparent 70%);pointer-events:none;
}
.cta-inner{
  position:relative;z-index:2;display:flex;flex-direction:column;gap:24px;padding:56px 0;
}
@media(min-width:1024px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:40px;padding:72px 0;}}
.cta-inner h2{color:#fff;font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.35;}
.cta-inner p{color:rgba(255,255,255,.72);font-size:14.5px;margin-top:10px;line-height:1.7;max-width:30em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
@media(max-width:399px){.cta-actions{flex-direction:column;}.cta-actions .btn{width:100%;}}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--ink);color:rgba(255,255,255,.72);}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--brand-grad);}
.footer-grid{display:grid;grid-template-columns:1fr;gap:8px;padding:48px 0 32px;}
@media(min-width:1024px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:64px 0 48px;}
}
.footer-brand .logo-text b{color:#fff;}
.footer-brand .logo-text i{color:rgba(255,255,255,.6);}
.footer-brand p{font-size:13.5px;line-height:1.8;margin-top:16px;max-width:26em;}
.footer-contact{display:flex;flex-direction:column;gap:8px;margin-top:18px;font-size:13.5px;color:rgba(255,255,255,.62);}
.footer-acc{border-bottom:1px solid rgba(255,255,255,.1);}
@media(min-width:1024px){.footer-acc{border-bottom:0;}}
.footer-acc summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  padding:16px 0;font-size:14.5px;font-weight:600;color:#fff;
}
.footer-acc summary::-webkit-details-marker{display:none;}
.footer-acc summary .caret{transition:transform .24s var(--ease);color:rgba(255,255,255,.5);}
.footer-acc[open] summary .caret{transform:rotate(180deg);}
@media(min-width:1024px){.footer-acc summary{cursor:default;padding:0 0 16px;}.footer-acc summary .caret{display:none;}}
.footer-acc .acc-body{display:none;padding-bottom:12px;}
.footer-acc[open] .acc-body{display:block;}
@media(min-width:1024px){.footer-acc .acc-body{display:block !important;padding-bottom:0;}}
.footer-acc .acc-body a{
  display:block;padding:7px 0;font-size:13.5px;color:rgba(255,255,255,.66);
  transition:color .2s var(--ease),transform .2s var(--ease);
  position:relative;
}
.footer-acc .acc-body a::after{
  content:"";position:absolute;left:0;bottom:4px;height:1px;width:0;
  background:var(--brand-grad);transition:width .24s var(--ease);
}
.footer-acc .acc-body a:hover{color:#fff;}
.footer-acc .acc-body a:hover::after{width:100%;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0 28px;
  display:flex;flex-direction:column;gap:8px;font-size:12.5px;color:rgba(255,255,255,.5);
}
@media(min-width:640px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;}}

/* ---------- 移动端底部操作条 ---------- */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;height:64px;background:#fff;
  border-top:1px solid var(--border);box-shadow:0 -6px 24px rgba(23,16,43,.06);
  z-index:70;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 16px;
}
.mobile-bar .bar-label{font-size:14px;font-weight:600;color:var(--t1);}
@media(min-width:1024px){.mobile-bar{display:none;}}
@media(max-width:1023px){body{padding-bottom:80px;}}

@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --brand-a:#E0197F;
  --brand-b:#6C2BD9;
  --grad:linear-gradient(135deg,#6C2BD9,#E0197F);
  --night:#17102B;
  --bg:#FAF7FB;
  --card:#FFFFFF;
  --s2:#F2EEF7;
  --line:#F1EDF6;
  --bd:#ECE8F2;
  --mint:#14C4A0;
  --amber:#FFB020;
  --t1:#1B1526;
  --t2:#5A5470;
  --t3:#8B86A0;
  --r-lg:22px;
  --r-md:16px;
  --r-btn:14px;
  --sh1:0 8px 24px rgba(23,16,43,.06);
  --sh2:0 18px 40px rgba(23,16,43,.14);
  --sh3:0 24px 64px rgba(23,16,43,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body.site-body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t1);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;background-color:transparent}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-b);outline-offset:2px}
.container{
  max-width:1240px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:640px){.container{padding-left:28px;padding-right:28px}}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px}}
@media (min-width:1280px){.container{max-width:1320px}}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#FFFFFF;
  border-bottom:1px solid transparent;
  transition:background .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom-color:var(--bd);
  box-shadow:0 6px 20px rgba(23,16,43,.06);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  height:68px;
}
@media (min-width:1024px){.header-inner{height:76px}}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad);
  color:#fff;font-size:18px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px rgba(224,25,127,.26);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:16px;font-weight:700;letter-spacing:0;color:var(--t1)}
.logo-text i{font-style:normal;font-size:12px;color:var(--t2);letter-spacing:.02em}
@media (max-width:639px){.logo-text i{display:none}}
.nav-pill{display:none}
@media (min-width:1024px){
  .nav-pill{
    display:flex;align-items:center;gap:4px;
    padding:4px;border-radius:999px;background:var(--s2);
  }
  .nav-pill a{
    display:inline-flex;align-items:center;height:38px;padding:0 16px;
    border-radius:999px;font-size:14px;font-weight:600;color:var(--t2);
    transition:background .2s var(--ease),color .2s var(--ease);
  }
  .nav-pill a:hover{background:#fff;color:var(--brand-b)}
  .nav-pill a.active{background:var(--grad);color:#fff;box-shadow:0 8px 18px rgba(108,43,217,.24)}
}
.header-actions{display:flex;align-items:center;gap:12px}
.link-text{display:none;font-size:14px;font-weight:600;color:var(--brand-b)}
@media (min-width:1024px){.link-text{display:inline-flex}}
.hamburger{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--bd);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  background:#fff;transition:background .2s var(--ease);
}
.hamburger:hover{background:var(--s2)}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--t1)}
@media (min-width:1024px){.hamburger{display:none}}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background .2s var(--ease),color .2s var(--ease),filter .2s var(--ease);
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:52px;padding:0 28px;font-size:16px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(224,25,127,.28)}
.btn-primary:hover{filter:brightness(1.05);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-outline{background:#fff;color:var(--brand-b);border:1px solid var(--brand-b)}
.btn-outline:hover{background:var(--s2)}
.btn-ghost{background:transparent;color:var(--t1);border:1px solid var(--bd)}
.btn-ghost:hover{background:var(--s2)}
.btn-ghost-light{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.4)}
.btn-ghost-light:hover{background:rgba(255,255,255,.12)}
.btn[disabled]{opacity:.6;cursor:not-allowed}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-b);
}
.link-arrow svg{transition:transform .2s var(--ease)}
.link-arrow:hover svg{transform:translateX(3px)}
.text-link{
  color:var(--brand-b);font-weight:600;text-decoration:underline;text-underline-offset:4px;
  text-decoration-color:rgba(108,43,217,.35);transition:text-decoration-color .2s var(--ease);
}
.text-link:hover{text-decoration-color:var(--brand-a)}

/* ---------- Tags & badges ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;
  background:var(--s2);color:var(--t2);
}
.tag-grad{background:var(--grad);color:#fff;box-shadow:0 8px 18px rgba(224,25,127,.22)}
.tag-dot::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mint);display:block}

/* ---------- Breadcrumb ---------- */
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--t2);padding:22px 0 8px;
}
.breadcrumb a{color:var(--t2);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--brand-a)}
.breadcrumb .sep{color:var(--t3)}
.crumb-current{
  max-width:16em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--t3);
}

/* ---------- Article layout ---------- */
.site-main{padding-bottom:64px}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:24px;
  padding-top:12px;
}
@media (min-width:1280px){
  .article-layout{grid-template-columns:minmax(0,1fr) 220px;gap:40px;align-items:start}
}
.article-main{min-width:0}
.article-head{padding:8px 0 0}
.article-title{
  font-size:clamp(28px,5vw,42px);
  line-height:1.22;
  font-weight:700;
  letter-spacing:0;
  margin-top:16px;
  color:var(--t1);
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  font-size:13px;color:var(--t2);
  margin-top:16px;padding-bottom:22px;border-bottom:1px solid var(--bd);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--t3);display:block}
.article-meta .byline{color:var(--t1);font-weight:600}

/* ---------- TOC ---------- */
.toc-toggle{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:20px;height:44px;padding:0 18px;border-radius:var(--r-btn);
  background:#fff;border:1px solid var(--bd);font-size:14px;font-weight:600;color:var(--t1);
  box-shadow:var(--sh1);
}
.toc-toggle svg{transition:transform .2s var(--ease)}
.toc-toggle[aria-expanded="true"] svg{transform:rotate(180deg)}
.toc-mobile{
  display:block;overflow:hidden;max-height:0;
  transition:max-height .26s var(--ease);
}
.toc-mobile.open{max-height:420px}
.toc-mobile .toc-list{
  margin-top:12px;padding:14px;border-radius:var(--r-md);
  background:#fff;border:1px solid var(--bd);max-height:340px;overflow:auto;
}
@media (min-width:1280px){
  .toc-toggle,.toc-mobile{display:none}
}
.toc-aside{display:none}
@media (min-width:1280px){.toc-aside{display:block}}
.toc-card{
  position:sticky;top:96px;
  background:#fff;border:1px solid var(--bd);border-radius:var(--r-md);
  box-shadow:var(--sh1);padding:18px 16px;
}
.toc-title{font-size:13px;font-weight:700;color:var(--t2);letter-spacing:.04em;margin-bottom:10px}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-link{
  display:block;font-size:13px;line-height:1.5;color:var(--t2);
  padding:7px 10px;border-radius:10px;border-left:3px solid transparent;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  overflow:hidden;text-overflow:ellipsis;
}
.toc-link:hover{background:var(--s2);color:var(--brand-b)}
.toc-link.toc-sub{padding-left:20px;color:var(--t3);font-size:12.5px}
.toc-link.is-active{background:var(--s2);color:var(--brand-b);border-left-color:var(--brand-a);font-weight:600}

/* ---------- Article body ---------- */
.article-body{max-width:780px;margin-top:26px;font-size:16px;line-height:1.85;color:var(--t1)}
.article-body p{margin:0 0 1.05em}
.article-body h2{
  position:relative;font-size:26px;line-height:1.35;font-weight:700;
  margin:2em 0 .8em;padding-left:44px;color:var(--t1);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.62em;width:32px;height:4px;border-radius:999px;background:var(--grad);
}
.article-body h3{font-size:20px;line-height:1.4;font-weight:600;margin:1.6em 0 .6em}
.article-body ul,.article-body ol{margin:0 0 1.1em;padding-left:4px}
.article-body li{position:relative;padding-left:20px;margin-bottom:.5em}
.article-body li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--brand-a);
}
.article-body ol{counter-reset:olnum}
.article-body ol li::before{display:none}
.article-body ol li{counter-increment:olnum;padding-left:28px}
.article-body ol li::after{
  content:counter(olnum);position:absolute;left:0;top:.2em;
  width:20px;height:20px;border-radius:6px;background:var(--s2);color:var(--brand-b);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:1.4em 0;padding:16px 20px;background:var(--bg);
  border-left:4px solid transparent;border-radius:16px;color:var(--t2);
  border-image:var(--grad) 1;
}
.article-body pre{
  margin:1.4em 0;background:var(--night);color:#EDE8F7;
  border-radius:14px;padding:18px;overflow-x:auto;font-size:14px;line-height:1.7;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.94em}
.article-body p code,.article-body li code{
  background:var(--s2);color:var(--brand-b);padding:2px 6px;border-radius:6px;
}
.article-body img{border-radius:16px;margin:1.4em auto;width:100%}
.article-body figure{margin:1.4em 0}
.article-body figcaption{font-size:13px;color:var(--t3);text-align:center;margin-top:8px}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.4em 0;font-size:14.5px;
  border:1px solid var(--bd);border-radius:12px;overflow:hidden;
}
.article-body th{background:var(--s2);font-weight:600;text-align:left;padding:12px 14px;color:var(--t1)}
.article-body td{padding:12px 14px;border-top:1px solid var(--line)}
.article-body tbody tr:nth-child(even){background:var(--bg)}
.article-body a{color:var(--brand-b);font-weight:600;text-decoration:underline;text-underline-offset:4px}
.article-body hr{border:0;border-top:1px solid var(--bd);margin:2em 0}
.article-body strong{font-weight:700}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}

/* ---------- Article foot ---------- */
.article-foot{
  max-width:780px;margin-top:36px;padding-top:24px;border-top:1px solid var(--bd);
}
.foot-label{font-size:13px;color:var(--t2);font-weight:600;letter-spacing:.04em;margin-bottom:10px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px}
.post-nav{display:grid;grid-template-columns:1fr;gap:14px;margin-bottom:26px}
@media (min-width:768px){.post-nav{grid-template-columns:1fr 1fr}}
.post-nav-card{
  display:block;background:#fff;border:1px solid var(--bd);border-radius:var(--r-md);
  padding:16px 18px;box-shadow:var(--sh1);transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.post-nav-card:hover{transform:translateY(-3px);box-shadow:var(--sh2)}
.post-nav-card span{font-size:12px;color:var(--t3);display:block;margin-bottom:6px}
.post-nav-card b{font-size:15px;font-weight:600;color:var(--t1);line-height:1.5}

/* ---------- Empty state ---------- */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  text-align:center;padding:64px 24px;margin-top:26px;
  background:#fff;border:1px dashed var(--bd);border-radius:var(--r-lg);min-height:260px;
}
.empty-state svg{color:rgba(108,43,217,.4)}
.empty-state p{font-size:15px;color:var(--t2)}

/* ---------- Sections ---------- */
.section{padding:56px 0}
@media (min-width:640px){.section{padding:72px 0}}
@media (min-width:1024px){.section{padding:96px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px}
.section-title{
  position:relative;font-size:clamp(24px,3.4vw,32px);line-height:1.3;font-weight:700;padding-left:20px;
}
.section-title::before{
  content:"";position:absolute;left:0;top:.55em;width:6px;height:22px;border-radius:999px;background:var(--grad);
}
.section-sub{font-size:14px;color:var(--t2);margin-top:10px;max-width:34em}

/* ---------- Cards grid (related) ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.news-grid{grid-template-columns:repeat(2,1fr);gap:24px}}
@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(--bd);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh1);
  transition:transform .26s var(--ease),box-shadow .26s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh2)}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#F2EEF7,#E4DDF0)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.news-card:hover .card-cover img{transform:scale(1.04)}
.card-cover .tag{position:absolute;top:12px;left:12px}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:20px;line-height:1.4;font-weight:600;color:var(--t1);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-desc{font-size:14px;color:var(--t2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--t3);padding-top:12px;border-top:1px solid var(--line);
}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:1024px){.faq-wrap{grid-template-columns:320px minmax(0,1fr);gap:48px;align-items:start}}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--bd);border-radius:var(--r-md);
  overflow:hidden;transition:background .2s var(--ease),border-color .2s var(--ease);
}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:16px;font-weight:600;color:var(--t1);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .caret{flex-shrink:0;color:var(--t2);transition:transform .26s var(--ease)}
.faq-item[open]{background:var(--s2);border-color:transparent;border-left:4px solid var(--brand-a)}
.faq-item[open] summary .caret{transform:rotate(180deg)}
.faq-answer{padding:0 20px 20px;font-size:15px;color:var(--t2);line-height:1.8}

/* ---------- CTA bar ---------- */
.cta-bar{
  position:relative;overflow:hidden;background:var(--night);border-radius:var(--r-lg);
  padding:36px 24px;display:flex;flex-direction:column;gap:20px;
}
@media (min-width:768px){
  .cta-bar{flex-direction:row;align-items:center;justify-content:space-between;padding:44px 40px;gap:32px}
}
.cta-bar::after{
  content:"";position:absolute;right:-80px;top:-60px;width:320px;height:320px;border-radius:50%;
  background:var(--grad);opacity:.28;filter:blur(10px);pointer-events:none;
}
.cta-title{color:#fff;font-size:clamp(22px,3vw,28px);line-height:1.35;font-weight:700}
.cta-text{color:rgba(255,255,255,.72);font-size:15px;margin-top:10px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;position:relative;z-index:1}
@media (max-width:399px){.cta-actions{flex-direction:column}}

/* ---------- Drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,16,43,.45);z-index:70;
  opacity:0;pointer-events:none;transition:opacity .26s var(--ease);
}
.drawer-mask.open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:380px;background:#fff;
  z-index:80;border-radius:24px 0 0 24px;display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .26s var(--ease);
  box-shadow:var(--sh3);
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:20px 22px;border-bottom:1px solid var(--line)}
.drawer-title{font-size:15px;font-weight:700;color:var(--t2);letter-spacing:.04em}
.drawer-close{width:40px;height:40px;border-radius:12px;background:var(--s2);font-size:20px;line-height:1;color:var(--t2)}
.drawer-nav{display:flex;flex-direction:column;padding:10px 0;overflow-y:auto;flex:1}
.drawer-nav a{
  display:flex;align-items:center;height:56px;padding:0 22px;font-size:18px;font-weight:600;color:var(--t1);
  border-left:3px solid transparent;transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.drawer-nav a:hover{background:var(--bg)}
.drawer-nav a.active{color:var(--brand-b);border-left-color:var(--brand-a);background:var(--bg)}
.drawer-foot{display:flex;flex-direction:column;gap:10px;padding:18px 22px 26px;border-top:1px solid var(--line)}
body.drawer-lock{overflow:hidden}

/* ---------- Footer ---------- */
.site-footer{background:var(--night);color:rgba(255,255,255,.72);margin-top:64px;position:relative}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad);opacity:.8}
.footer-grid{display:grid;grid-template-columns:1fr;gap:8px;padding:48px 0 24px}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;padding:64px 0 32px}}
.footer-brand .logo-mark{background:var(--grad)}
.footer-brand .logo-text b{color:#fff}
.footer-brand .logo-text i{color:rgba(255,255,255,.6)}
.footer-brand p{font-size:14px;line-height:1.8;margin-top:16px;color:rgba(255,255,255,.66);max-width:30em}
.footer-contact{display:flex;flex-direction:column;gap:6px;margin-top:16px;font-size:13px;color:rgba(255,255,255,.5)}
.footer-acc{border-top:1px solid rgba(255,255,255,.1)}
@media (min-width:1024px){.footer-acc{border-top:0}}
.footer-acc summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  padding:16px 0;font-size:15px;font-weight:600;color:#fff;
}
.footer-acc summary::-webkit-details-marker{display:none}
.footer-acc .caret{transition:transform .26s var(--ease);color:rgba(255,255,255,.5)}
.footer-acc[open] .caret{transform:rotate(180deg)}
@media (min-width:1024px){.footer-acc summary{padding:0 0 18px;pointer-events:none}.footer-acc .caret{display:none}}
.acc-body{display:flex;flex-direction:column;gap:12px;padding-bottom:18px}
@media (min-width:1024px){.acc-body{padding-bottom:0}}
.acc-body a{
  font-size:14px;color:rgba(255,255,255,.66);width:fit-content;
  border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease);
}
.acc-body a:hover{color:#fff;border-bottom-color:var(--brand-a)}
.footer-bottom{
  display:flex;flex-direction:column;gap:8px;padding:20px 0 32px;
  border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:rgba(255,255,255,.5);
}
@media (min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;gap:24px}}

/* roulang page: category1 */
:root{
    --brand-a:#E0197F;
    --brand-b:#6C2BD9;
    --grad:linear-gradient(135deg,#6C2BD9,#E0197F);
    --ink:#17102B;
    --bg:#FAF7FB;
    --card:#FFFFFF;
    --sub:#F2EEF7;
    --line:#F1EDF6;
    --border:#ECE8F2;
    --mint:#14C4A0;
    --amber:#FFB020;
    --t1:#1B1526;
    --t2:#5A5470;
    --t3:#8B86A0;
    --r-xl:22px;
    --r-md:16px;
    --r-sm:14px;
    --sh1:0 8px 24px rgba(23,16,43,.06);
    --sh2:0 18px 40px rgba(23,16,43,.14);
    --sh3:0 24px 64px rgba(23,16,43,.18);
    --ease:cubic-bezier(.22,.61,.36,1);
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{
    margin:0;
    background:var(--bg);
    color:var(--t1);
    font-family:-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }
  img{max-width:100%;display:block}
  a{color:inherit;text-decoration:none}
  button,input,select,textarea{font:inherit;color:inherit}
  ul{margin:0;padding:0;list-style:none}
  h1,h2,h3,h4{margin:0;letter-spacing:0}
  p{margin:0}
  .mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums}
  .wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
  @media (min-width:640px){.wrap{padding:0 28px}}
  @media (min-width:1024px){.wrap{padding:0 32px}}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:52px;padding:0 28px;border-radius:var(--r-sm);border:0;
    font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
    transition:transform .2s var(--ease),filter .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  }
  .btn-sm{height:44px;padding:0 22px;font-size:14px}
  .btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(224,25,127,.28)}
  .btn-primary:hover{filter:brightness(1.05);transform:translateY(-1px)}
  .btn-primary:active{transform:translateY(0) scale(.98)}
  .btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}
  .btn-outline{background:#fff;border:1px solid var(--brand-b);color:var(--brand-b)}
  .btn-outline:hover{background:var(--sub)}
  .btn-outline:active{transform:scale(.98)}
  .btn-ghost{background:transparent;border:1px solid var(--border);color:var(--t1)}
  .btn-ghost:hover{background:var(--sub);border-color:#E0D8EE}
  .btn-ghost-light{background:transparent;border:1px solid rgba(255,255,255,.46);color:#fff}
  .btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.8)}
  .textlink{color:var(--brand-a);text-decoration:underline;text-underline-offset:4px;text-decoration-color:rgba(224,25,127,.45);transition:text-decoration-color .2s var(--ease)}
  .textlink:hover{text-decoration-color:var(--brand-b)}
  a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{
    outline:2px solid var(--brand-b);outline-offset:2px;border-radius:6px;
  }

  /* ---------- 顶部导航 ---------- */
  .site-header{
    position:sticky;top:0;z-index:80;background:#fff;
    border-bottom:1px solid transparent;
    transition:background .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
  }
  .site-header.scrolled{
    background:rgba(255,255,255,.88);
    backdrop-filter:blur(8px);
    -webkit-backdrop-filter:blur(8px);
    border-bottom:1px solid var(--border);
    box-shadow:0 6px 20px rgba(23,16,43,.06);
  }
  .header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
  .logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
  .logo-mark{
    width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;
    display:grid;place-items:center;font-size:18px;font-weight:700;
    box-shadow:0 8px 18px rgba(108,43,217,.28);flex-shrink:0;
  }
  .logo-text b{display:block;font-size:16px;font-weight:700;line-height:1.2}
  .logo-text i{display:block;font-style:normal;font-size:12px;color:var(--t2);letter-spacing:.04em;line-height:1.4}
  .nav-pill{
    display:flex;align-items:center;gap:4px;background:var(--sub);
    padding:5px;border-radius:999px;
  }
  .nav-pill a{
    display:block;padding:9px 16px;border-radius:999px;font-size:14px;font-weight:500;
    color:var(--t2);transition:background .2s var(--ease),color .2s var(--ease);
  }
  .nav-pill a:hover{background:#fff;color:var(--brand-b)}
  .nav-pill a.active{background:var(--grad);color:#fff;box-shadow:0 6px 16px rgba(224,25,127,.26)}
  .header-actions{display:flex;align-items:center;gap:16px}
  .header-actions .textlink{font-size:14px}
  .burger{
    display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);
    background:#fff;align-items:center;justify-content:center;cursor:pointer;
  }
  .burger:hover{background:var(--sub)}
  @media (max-width:1023px){
    .nav-pill,.header-actions .textlink,.header-actions .btn{display:none}
    .burger{display:inline-flex}
  }

  /* ---------- 移动抽屉 ---------- */
  .drawer-mask{
    position:fixed;inset:0;background:rgba(23,16,43,.45);opacity:0;visibility:hidden;
    transition:opacity .26s var(--ease),visibility .26s var(--ease);z-index:90;
  }
  .drawer-mask.open{opacity:1;visibility:visible}
  .drawer{
    position:fixed;top:0;right:0;height:100%;width:84vw;max-width:380px;background:#fff;
    border-radius:24px 0 0 24px;z-index:91;transform:translateX(100%);
    transition:transform .26s var(--ease);display:flex;flex-direction:column;
    box-shadow:var(--sh3);padding:22px 20px 20px;
  }
  .drawer.open{transform:translateX(0)}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
  .drawer-close{
    width:44px;height:44px;border-radius:12px;border:1px solid var(--border);background:#fff;
    display:grid;place-items:center;cursor:pointer;
  }
  .drawer-close:hover{background:var(--sub)}
  .drawer-nav{flex:1;overflow-y:auto}
  .drawer-nav a{
    display:flex;align-items:center;height:56px;font-size:18px;font-weight:600;color:var(--t1);
    border-bottom:1px solid var(--line);position:relative;padding-left:0;
    transition:padding-left .2s var(--ease),color .2s var(--ease);
  }
  .drawer-nav a.active{color:var(--brand-b);padding-left:14px}
  .drawer-nav a.active::before{
    content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:2px;background:var(--grad);
  }
  .drawer-foot{display:grid;gap:12px;padding-top:18px;border-top:1px solid var(--line)}
  .drawer-foot .btn{width:100%}

  /* ---------- Banner ---------- */
  .banner{
    position:relative;overflow:hidden;color:#fff;
    background-image:linear-gradient(135deg,rgba(108,43,217,.90),rgba(224,25,127,.84)),url('/assets/images/backpic/back-1.png');
    background-size:cover;background-position:center;
    padding:34px 0 56px;
  }
  .banner::after{
    content:"";position:absolute;right:-80px;bottom:-120px;width:360px;height:360px;border-radius:50%;
    background:radial-gradient(circle,rgba(255,255,255,.22),rgba(255,255,255,0) 68%);pointer-events:none;
  }
  .breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:26px;position:relative;z-index:2}
  .breadcrumb a{color:rgba(255,255,255,.88)}
  .breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
  .banner h1{
    font-size:clamp(28px,5vw,46px);line-height:1.2;font-weight:700;
    letter-spacing:0;position:relative;z-index:2;max-width:20em;
  }
  .banner-sub{margin-top:16px;font-size:16px;color:rgba(255,255,255,.9);position:relative;z-index:2;max-width:34em}
  .banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;position:relative;z-index:2}
  .banner-tags span{
    display:inline-flex;align-items:center;gap:7px;padding:7px 14px;border-radius:999px;
    background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.24);
    font-size:13px;font-weight:600;color:#fff;
  }
  .banner-tags span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mint)}

  /* ---------- 主体布局 ---------- */
  .cat-layout{
    display:grid;grid-template-columns:240px minmax(0,1fr);gap:32px;
    align-items:start;padding:56px 0 0;
  }
  @media (min-width:1024px){.cat-layout{padding:72px 0 0}}
  .side-nav{position:sticky;top:96px}
  .side-title{
    font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--t3);
    text-transform:none;margin-bottom:12px;
  }
  .side-pills{display:flex;flex-direction:column;gap:8px;margin-bottom:26px}
  .side-pills a{
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    padding:13px 16px;border-radius:999px;background:#fff;border:1px solid var(--border);
    font-size:14px;font-weight:600;color:var(--t2);
    transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
  }
  .side-pills a:hover{background:var(--sub);color:var(--brand-b);transform:translateX(2px)}
  .side-pills a.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 10px 22px rgba(108,43,217,.24)}
  .side-links{display:flex;flex-direction:column;border-top:1px solid var(--line);padding-top:8px}
  .side-links a{
    display:flex;align-items:center;height:44px;font-size:14px;color:var(--t2);border-radius:10px;
    padding-left:12px;position:relative;transition:background .2s var(--ease),color .2s var(--ease);
  }
  .side-links a::before{
    content:"";position:absolute;left:0;top:14px;bottom:14px;width:2px;border-radius:2px;
    background:transparent;transition:background .2s var(--ease);
  }
  .side-links a:hover{background:var(--bg);color:var(--brand-b)}
  .side-links a:hover::before{background:var(--grad)}
  @media (max-width:1023px){
    .cat-layout{grid-template-columns:1fr;gap:24px;padding-top:40px}
    .side-nav{position:static}
    .side-nav .side-title,.side-links{display:none}
    .side-pills{
      flex-direction:row;gap:10px;margin-bottom:0;overflow-x:auto;padding-bottom:6px;
      scrollbar-width:none;-ms-overflow-style:none;
    }
    .side-pills::-webkit-scrollbar{display:none}
    .side-pills a{flex:0 0 auto;white-space:nowrap}
  }

  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px}
  .section-head h2{
    font-size:clamp(24px,3.4vw,32px);line-height:1.3;font-weight:700;position:relative;padding-left:18px;
  }
  .section-head h2::before{
    content:"";position:absolute;left:0;top:.42em;width:32px;height:4px;border-radius:4px;background:var(--grad);
  }
  .section-head h2{padding-left:0}
  .section-head h2::before{position:static;display:block;margin-bottom:12px}

  /* ---------- 卡片网格 ---------- */
  .card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
  @media (max-width:767px){.card-grid{grid-template-columns:1fr;gap:20px}}
  .cat-card{
    position:relative;display:flex;flex-direction:column;background:var(--card);
    border:1px solid var(--border);border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh1);
    transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
  }
  .cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:#E4DCF0}
  .card-bar{height:5px;background:var(--grad);flex-shrink:0}
  .cat-card .cover{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#F2EEF7,#E4DDF0)}
  .cat-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .26s ease-out}
  .cat-card:hover .cover img{transform:scale(1.04)}
  .cat-card .body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
  .cat-card h3{font-size:20px;line-height:1.4;font-weight:600}
  .cat-card p{font-size:14px;color:var(--t2);line-height:1.7}
  .badge-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto}
  .badge{
    display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;
    background:var(--sub);color:var(--t2);font-size:12px;font-weight:600;
  }
  .badge .dot{width:6px;height:6px;border-radius:50%;background:var(--mint);flex-shrink:0}
  .badge-brand{background:var(--grad);color:#fff}
  .tag-amber{background:rgba(255,176,32,.16);color:#9A6400}
  .card-foot{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    padding-top:14px;border-top:1px solid var(--line);font-size:14px;font-weight:600;color:var(--brand-a);
  }
  .card-foot svg{transition:transform .2s var(--ease)}
  .cat-card:hover .card-foot svg{transform:translateX(3px)}

  /* ---------- 数据条 ---------- */
  .stat-bar{background:var(--ink);color:#fff;margin-top:64px}
  .stat-grid{
    display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;padding:38px 0;
  }
  .stat-item{position:relative;padding-left:20px}
  .stat-item:first-child{padding-left:0}
  .stat-item:not(:first-child)::before{
    content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;
    background:linear-gradient(180deg,rgba(224,25,127,.7),rgba(108,43,217,.2));
  }
  .stat-num{font-size:clamp(26px,3.6vw,34px);font-weight:700;line-height:1.2}
  .stat-label{font-size:13px;color:rgba(255,255,255,.66);margin-top:4px}
  @media (max-width:1023px){
    .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 20px;padding:32px 0}
    .stat-item:nth-child(3){padding-left:0}
    .stat-item:nth-child(3)::before{display:none}
  }
  @media (max-width:519px){
    .stat-grid{grid-template-columns:1fr;gap:20px}
    .stat-item{padding-left:0}
    .stat-item::before{display:none}
  }

  /* ---------- 流程 ---------- */
  .flow-section{padding:56px 0 0}
  @media (min-width:1024px){.flow-section{padding:72px 0 0}}
  .flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
  @media (max-width:1023px){.flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
  @media (max-width:519px){.flow-grid{grid-template-columns:1fr}}
  .flow-card{
    background:#fff;border:1px solid var(--border);border-radius:var(--r-md);padding:24px 20px;
    box-shadow:var(--sh1);transition:transform .26s var(--ease),box-shadow .26s var(--ease);
  }
  .flow-card:hover{transform:translateY(-4px);box-shadow:var(--sh2)}
  .flow-idx{
    display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:12px;
    background:var(--sub);color:var(--brand-b);font-weight:700;font-size:15px;margin-bottom:14px;
  }
  .flow-card h3{font-size:18px;font-weight:600;margin-bottom:8px}
  .flow-card p{font-size:14px;color:var(--t2)}

  /* ---------- 保障条 ---------- */
  .assure{margin-top:56px;background:var(--sub);border-radius:var(--r-xl);padding:34px 28px}
  @media (min-width:1024px){.assure{margin-top:72px;padding:40px 40px}}
  .assure-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
  @media (max-width:1023px){.assure-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
  @media (max-width:519px){.assure-grid{grid-template-columns:1fr}}
  .assure-item{display:flex;gap:14px;align-items:flex-start}
  .assure-icon{
    width:44px;height:44px;border-radius:14px;background:#fff;display:grid;place-items:center;
    color:var(--brand-b);flex-shrink:0;box-shadow:0 6px 16px rgba(23,16,43,.06);
  }
  .assure-item strong{display:block;font-size:15px;font-weight:700;margin-bottom:4px}
  .assure-item span{font-size:13.5px;color:var(--t2);line-height:1.65}

  /* ---------- FAQ ---------- */
  .faq-section{padding:56px 0 0}
  @media (min-width:1024px){.faq-section{padding:72px 0 0}}
  .faq-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:40px;align-items:start}
  @media (max-width:1023px){.faq-layout{grid-template-columns:1fr;gap:24px}}
  .faq-intro h2{font-size:clamp(24px,3.4vw,32px);font-weight:700;line-height:1.3}
  .faq-intro p{margin-top:14px;font-size:15px;color:var(--t2);max-width:28em}
  .faq-list{display:flex;flex-direction:column;gap:12px}
  .faq-list details{
    background:#fff;border:1px solid var(--border);border-radius:var(--r-md);overflow:hidden;
    transition:background .2s var(--ease),border-color .2s var(--ease);
  }
  .faq-list details[open]{background:var(--sub);border-color:#E6DEF3}
  .faq-list summary{
    position:relative;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 20px;font-size:16px;font-weight:600;cursor:pointer;list-style:none;
  }
  .faq-list summary::-webkit-details-marker{display:none}
  .faq-list summary .caret{flex-shrink:0;color:var(--t3);transition:transform .2s var(--ease)}
  .faq-list details[open] summary .caret{transform:rotate(180deg)}
  .faq-list details[open] summary::before{
    content:"";position:absolute;left:0;top:12px;bottom:12px;width:4px;border-radius:0 4px 4px 0;background:var(--grad);
  }
  .faq-answer{padding:0 20px 20px;font-size:15px;color:var(--t2);line-height:1.8}

  /* ---------- CTA ---------- */
  .cta-section{padding:56px 0 0}
  @media (min-width:1024px){.cta-section{padding:72px 0 0}}
  .cta-bar{
    position:relative;overflow:hidden;background:var(--ink);border-radius:var(--r-xl);
    padding:40px 32px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  }
  @media (min-width:1024px){.cta-bar{padding:52px 48px}}
  .cta-bar::after{
    content:"";position:absolute;right:-60px;top:-90px;width:320px;height:320px;border-radius:50%;
    background:radial-gradient(circle,rgba(224,25,127,.42),rgba(108,43,217,0) 70%);pointer-events:none;
  }
  .cta-copy{position:relative;z-index:2;max-width:38em}
  .cta-copy h2{color:#fff;font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.3}
  .cta-copy p{margin-top:10px;color:rgba(255,255,255,.76);font-size:15px}
  .cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}
  @media (max-width:399px){
    .cta-actions{flex-direction:column;width:100%}
    .cta-actions .btn{width:100%}
  }

  /* ---------- 页脚 ---------- */
  .site-footer{
    margin-top:72px;background:var(--ink);color:rgba(255,255,255,.72);position:relative;
    padding:56px 0 28px;
  }
  .site-footer::before{
    content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad);
  }
  .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
  @media (max-width:1023px){.footer-grid{grid-template-columns:1fr;gap:0}}
  .footer-brand{padding-right:20px}
  @media (max-width:1023px){.footer-brand{padding-bottom:22px;border-bottom:1px solid rgba(255,255,255,.09)}}
  .site-footer .logo-text b{color:#fff}
  .site-footer .logo-text i{color:rgba(255,255,255,.6)}
  .footer-brand p{margin-top:16px;font-size:14px;line-height:1.75;color:rgba(255,255,255,.66);max-width:30ch}
  .footer-contact{display:flex;flex-direction:column;gap:6px;margin-top:16px;font-size:13px;color:rgba(255,255,255,.52)}
  .footer-acc{border-top:1px solid rgba(255,255,255,.09);padding-top:18px}
  @media (min-width:1024px){.footer-acc{border-top:0;padding-top:0}}
  .footer-acc summary{
    display:flex;align-items:center;justify-content:space-between;gap:10px;
    font-size:14px;font-weight:700;color:#fff;cursor:pointer;list-style:none;padding:6px 0;
  }
  .footer-acc summary::-webkit-details-marker{display:none}
  .footer-acc[open] summary .caret{transform:rotate(180deg)}
  .footer-acc .caret{transition:transform .2s var(--ease);color:rgba(255,255,255,.5)}
  @media (min-width:1024px){
    .footer-acc .caret{display:none}
    .footer-acc summary{cursor:default}
  }
  .acc-body{display:flex;flex-direction:column;gap:2px;padding-bottom:18px}
  @media (min-width:1024px){.acc-body{padding-top:14px}}
  .acc-body a{
    font-size:14px;color:rgba(255,255,255,.66);padding:7px 0;width:fit-content;
    transition:color .2s var(--ease);
  }
  .acc-body a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--brand-a)}
  .footer-bottom{
    margin-top:36px;padding-top:22px;border-top:1px solid rgba(255,255,255,.09);
    display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
    font-size:13px;color:rgba(255,255,255,.5);
  }

  /* ---------- 移动底部操作条 ---------- */
  .mobile-bar{
    position:fixed;left:0;right:0;bottom:0;z-index:70;height:64px;background:#fff;
    border-top:1px solid var(--border);display:none;align-items:center;justify-content:space-between;
    gap:14px;padding:0 20px;box-shadow:0 -6px 24px rgba(23,16,43,.08);
  }
  .mobile-bar span{font-size:14px;font-weight:600;color:var(--t2)}
  @media (max-width:1023px){
    .mobile-bar{display:flex}
    body{padding-bottom:80px}
  }

/* roulang page: category2 */
:root{
  --brand-a:#E0197F;
  --brand-b:#6C2BD9;
  --grad:linear-gradient(135deg,#6C2BD9,#E0197F);
  --ink:#17102B;
  --bg:#FAF7FB;
  --card:#FFFFFF;
  --surface:#F2EEF7;
  --divider:#F1EDF6;
  --line:#ECE8F2;
  --t1:#1B1526;
  --t2:#5A5470;
  --t3:#8B86A0;
  --mint:#14C4A0;
  --amber:#FFB020;
  --r-lg:22px;
  --r-md:16px;
  --r-btn:14px;
  --sh-1:0 8px 24px rgba(23,16,43,.06);
  --sh-2:0 18px 40px rgba(23,16,43,.14);
  --sh-3:0 24px 64px rgba(23,16,43,.18);
  --ease:260ms cubic-bezier(.22,.7,.28,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.75;color:var(--t1);background:var(--bg);
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand-b);outline-offset:2px}
::selection{background:rgba(108,43,217,.18)}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media(min-width:640px){.container{padding:0 28px}}
@media(min-width:1024px){.container{padding:0 32px}}
@media(min-width:1280px){.container{max-width:1320px}}

.section{padding:56px 0}
@media(min-width:768px){.section{padding:72px 0}}
@media(min-width:1024px){.section{padding:96px 0}}

/* ------- header ------- */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 20px rgba(23,16,43,.06);
}
.header-inner{display:flex;align-items:center;gap:14px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-weight:700;font-size:17px;
  box-shadow:0 8px 18px rgba(108,43,217,.28);flex:0 0 auto;
}
.logo-text{display:flex;flex-direction:column;line-height:1.16}
.logo-text b{font-size:16px;font-weight:700;letter-spacing:0}
.logo-text i{font-size:12px;font-style:normal;color:var(--t3)}
.nav-pill{display:none;gap:4px;margin-left:14px;background:var(--surface);padding:6px;border-radius:999px}
.nav-pill a{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--t2);transition:all var(--ease);white-space:nowrap;
}
.nav-pill a:hover{background:#fff;color:var(--brand-b)}
.nav-pill a.active{background:var(--grad);color:#fff;box-shadow:0 8px 18px rgba(224,25,127,.26)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.link-quiet{display:none;font-size:14px;font-weight:600;color:var(--t2);padding:8px 6px;border-radius:10px;transition:color var(--ease)}
.link-quiet:hover{color:var(--brand-b)}
.header-cta{display:none}
.hamburger{
  width:44px;height:44px;border-radius:12px;display:grid;place-content:center;gap:5px;
  border:1px solid var(--line);background:#fff;transition:background var(--ease);
}
.hamburger:hover{background:var(--surface)}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--t1);transition:transform var(--ease)}
@media(min-width:1024px){
  .nav-pill{display:flex}
  .link-quiet{display:inline-flex}
  .header-cta{display:inline-flex}
  .hamburger{display:none}
}

/* ------- drawer ------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,16,43,.45);opacity:0;visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);z-index:85;
}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:360px;background:#fff;z-index:90;
  border-radius:24px 0 0 24px;transform:translateX(105%);transition:transform var(--ease);
  display:flex;flex-direction:column;box-shadow:var(--sh-3);
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}
.drawer-close{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--surface);color:var(--t2)}
.drawer-nav{padding:12px 8px;flex:1;overflow-y:auto}
.drawer-nav a{
  display:flex;align-items:center;height:56px;padding:0 16px;border-radius:14px;
  font-size:18px;font-weight:600;color:var(--t1);position:relative;transition:background var(--ease),color var(--ease);
}
.drawer-nav a:hover{background:var(--bg)}
.drawer-nav a.active{color:var(--brand-b);background:var(--bg)}
.drawer-nav a.active::before{content:"";position:absolute;left:4px;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--grad)}
.drawer-foot{padding:16px 20px 24px;border-top:1px solid var(--line);display:grid;gap:10px}

/* ------- buttons ------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border-radius:var(--r-btn);
  font-size:16px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),filter var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap;text-align:center;
}
.btn-sm{height:44px;padding:0 22px;font-size:15px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(224,25,127,.28)}
.btn-primary:hover{filter:brightness(1.05);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-outline{background:#fff;border-color:var(--brand-b);color:var(--brand-b)}
.btn-outline:hover{background:var(--surface)}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--t1)}
.btn-ghost:hover{background:var(--surface)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(0,0,0,.18)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.12)}
.btn:disabled{opacity:.6;cursor:not-allowed}
.text-link{
  color:var(--brand-b);font-weight:600;text-decoration:underline;text-underline-offset:4px;
  text-decoration-color:rgba(108,43,217,.35);transition:text-decoration-color var(--ease),color var(--ease);
}
.text-link:hover{text-decoration-color:var(--brand-a);color:var(--brand-a)}

/* ------- banner ------- */
.page-banner{
  position:relative;color:#fff;padding:36px 0 64px;
  background:linear-gradient(135deg,rgba(108,43,217,.92),rgba(224,25,127,.88)),url("/assets/images/backpic/back-2.png") center/cover no-repeat;
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:22px}
.breadcrumb a{color:rgba(255,255,255,.88);transition:color var(--ease)}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.breadcrumb .sep{opacity:.6}
.page-banner h1{
  font-size:clamp(28px,5vw,46px);line-height:1.2;font-weight:700;letter-spacing:0;max-width:20em;
}
.banner-sub{margin-top:14px;font-size:16px;color:rgba(255,255,255,.86);max-width:34em}
.banner-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.banner-badge{
  display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 16px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  font-size:13px;font-weight:600;color:#fff;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
}
.banner-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--mint)}
@media(min-width:1024px){.page-banner{padding:52px 0 92px}}

/* ------- section head ------- */
.section-head{max-width:46em;margin-bottom:32px}
.section-head h2{
  font-size:clamp(24px,3.2vw,32px);line-height:1.3;font-weight:700;position:relative;padding-left:18px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.42em;width:32px;height:4px;border-radius:4px;background:var(--grad);
  transform:translateX(-6px);
}
.section-head p{margin-top:12px;color:var(--t2);font-size:15.5px;max-width:40em}
@media(min-width:1024px){.section-head{margin-bottom:44px}}

/* ------- timeline ------- */
.timeline{position:relative}
.timeline::before{
  content:"";position:absolute;left:19px;top:10px;bottom:10px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,#6C2BD9,#E0197F);
  opacity:.85;
}
.tl-item{position:relative;padding-left:64px;margin-bottom:18px}
.tl-node{
  position:absolute;left:0;top:14px;width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:12px;font-weight:700;color:var(--brand-b);
  background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;
  border:2px solid transparent;
  box-shadow:0 6px 16px rgba(108,43,217,.16);
  transition:transform var(--ease),box-shadow var(--ease);
}
.tl-item:hover .tl-node{transform:scale(1.15);box-shadow:0 10px 22px rgba(224,25,127,.28)}
.tl-card{
  display:flex;align-items:center;gap:16px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);padding:18px 22px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.tl-item:hover .tl-card{transform:translateX(4px);box-shadow:var(--sh-2);border-color:#E4DDF0}
.tl-body{flex:1;min-width:0}
.tl-body h3{font-size:19px;line-height:1.4;font-weight:600}
.tl-body p{margin-top:6px;font-size:14.5px;color:var(--t2);line-height:1.7}
.tl-arrow{
  flex:0 0 auto;width:34px;height:34px;border-radius:50%;background:var(--surface);color:var(--brand-b);
  display:grid;place-items:center;font-size:16px;font-weight:700;transition:background var(--ease),color var(--ease),transform var(--ease);
}
.tl-item:hover .tl-arrow{background:var(--grad);color:#fff;transform:translateX(2px)}

/* stat strip */
.tl-stat{padding-left:64px;margin:26px 0 30px;position:relative;list-style:none}
.stat-strip{
  display:grid;grid-template-columns:repeat(2,1fr);gap:20px;
  background:var(--ink);border-radius:var(--r-lg);padding:26px 26px 24px;color:#fff;
  position:relative;overflow:hidden;
}
.stat-strip::after{
  content:"";position:absolute;right:-40px;top:-40px;width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle,rgba(224,25,127,.42),rgba(108,43,217,0) 70%);
}
.stat{display:flex;flex-direction:column;gap:2px;position:relative;z-index:1}
.stat .num{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:28px;font-weight:700;font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat .num small{font-size:13px;font-weight:600;color:#C9C2DB;margin-left:4px}
.stat .lbl{font-size:13px;color:#BDB6D2;display:flex;align-items:center;gap:6px}
.stat .lbl::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mint);flex:0 0 auto}
@media(min-width:768px){
  .stat-strip{grid-template-columns:repeat(4,1fr);gap:24px;padding:30px 34px}
  .tl-stat{padding-left:64px}
}
@media(min-width:1024px){
  .tl-card{padding:22px 26px}
  .tl-body h3{font-size:20px}
}

/* ------- risk cards ------- */
.grid-3{display:grid;gap:24px;grid-template-columns:1fr}
@media(min-width:768px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.grid-3{grid-template-columns:repeat(3,1fr)}}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#E4DDF0}
.card-media{position:relative;aspect-ratio:16/9;background:linear-gradient(135deg,#F2EEF7,#E4DDF0);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:20px 22px 24px;flex:1;display:flex;flex-direction:column;gap:10px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--grad);color:#fff;font-size:12px;font-weight:600;letter-spacing:.04em;width:fit-content;
}
.card-body h3{font-size:20px;line-height:1.4;font-weight:600}
.card-body p{font-size:14.5px;color:var(--t2);line-height:1.72}

/* ------- faq ------- */
.faq-layout{display:grid;gap:28px;grid-template-columns:1fr}
@media(min-width:1024px){.faq-layout{grid-template-columns:320px 1fr;gap:48px;align-items:start}}
.faq-side h2{font-size:clamp(24px,3.2vw,32px);line-height:1.3;font-weight:700;position:relative;padding-left:18px}
.faq-side h2::before{content:"";position:absolute;left:0;top:.42em;width:32px;height:4px;border-radius:4px;background:var(--grad);transform:translateX(-6px)}
.faq-side p{margin-top:14px;color:var(--t2);font-size:15px}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;transition:background var(--ease),border-color var(--ease);
}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--t1);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:focus-visible{outline:2px solid var(--brand-b);outline-offset:-4px}
.faq-item .caret{flex:0 0 auto;color:var(--t3);transition:transform var(--ease),color var(--ease)}
.faq-item[open]{background:#FAF7FB;border-color:#E4DDF0}
.faq-item[open]::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad)}
.faq-item[open] .caret{transform:rotate(180deg);color:var(--brand-b)}
.faq-body{padding:0 22px 20px;font-size:15px;color:var(--t2);line-height:1.78}

/* ------- cta ------- */
.cta-section{position:relative;background:var(--ink);color:#fff;padding:56px 0;overflow:hidden}
.cta-section::after{
  content:"";position:absolute;right:-80px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(224,25,127,.35),rgba(108,43,217,0) 68%);
  pointer-events:none;
}
.cta-inner{position:relative;z-index:1;display:flex;flex-direction:column;gap:22px}
.cta-inner h2{font-size:clamp(22px,3vw,30px);line-height:1.3;font-weight:700}
.cta-inner p{margin-top:10px;color:#BDB6D2;font-size:15px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media(min-width:1024px){
  .cta-section{padding:72px 0}
  .cta-inner{flex-direction:row;align-items:center;justify-content:space-between;gap:40px}
  .cta-actions{flex:0 0 auto}
}
@media(max-width:400px){
  .cta-actions{flex-direction:column;width:100%}
  .cta-actions .btn{width:100%}
}

/* ------- footer ------- */
.site-footer{
  background:var(--ink);color:#C9C2DB;padding:52px 0 28px;position:relative;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--grad);opacity:.9;
}
.footer-grid{display:grid;gap:8px;grid-template-columns:1fr}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr);gap:28px}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}}
.footer-brand p{margin-top:14px;font-size:14px;color:#A79FBE;max-width:30em}
.footer-brand .logo-text b{color:#fff}
.footer-brand .logo-text i{color:#A79FBE}
.footer-contact{margin-top:16px;display:grid;gap:6px;font-size:13px;color:#A79FBE}
.footer-acc{border-top:1px solid rgba(255,255,255,.08);padding-top:14px}
.footer-acc summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  font-size:15px;font-weight:600;color:#fff;padding:6px 0;
}
.footer-acc summary::-webkit-details-marker{display:none}
.footer-acc .caret{color:#8B86A0;transition:transform var(--ease)}
.footer-acc[open] .caret{transform:rotate(180deg)}
.acc-body{display:grid;gap:2px;padding:6px 0 12px}
.acc-body a{
  display:inline-block;padding:7px 0;font-size:14px;color:#A79FBE;transition:color var(--ease);
  width:fit-content;border-bottom:1px solid transparent;
}
.acc-body a:hover{color:#fff;border-bottom-color:rgba(224,25,127,.7)}
@media(min-width:768px){
  .footer-acc{border-top:0;padding-top:0}
  .footer-acc summary{pointer-events:none;padding:0 0 6px}
  .footer-acc summary .caret{display:none}
}
.footer-bottom{
  margin-top:32px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-direction:column;gap:8px;font-size:13px;color:#8B86A0;
}
@media(min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;gap:24px}}

/* ------- mobile bar ------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;height:64px;
  padding:0 20px;align-items:center;justify-content:space-between;gap:12px;
  background:rgba(255,255,255,.96);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(23,16,43,.08);
}
.mobile-bar .mb-label{font-size:14px;font-weight:600;color:var(--t2)}
@media(max-width:1023px){
  .mobile-bar{display:flex}
  body{padding-bottom:84px}
}

/* roulang page: category3 */
:root{
  --brand-a:#E0197F;
  --brand-b:#6C2BD9;
  --grad:linear-gradient(135deg,#6C2BD9,#E0197F);
  --ink:#17102B;
  --bg:#FAF7FB;
  --surface:#FFFFFF;
  --surface-2:#F2EEF7;
  --line:#F1EDF6;
  --border:#ECE8F2;
  --text:#1B1526;
  --text-2:#5A5470;
  --text-3:#8B86A0;
  --mint:#14C4A0;
  --amber:#FFB020;
  --r-lg:22px;
  --r-md:16px;
  --r-sm:14px;
  --sh-1:0 8px 24px rgba(23,16,43,.06);
  --sh-2:0 18px 40px rgba(23,16,43,.14);
  --sh-3:0 24px 64px rgba(23,16,43,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Noto 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;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-b);outline-offset:2px;border-radius:6px}
.container{max-width:1240px;margin:0 auto;padding:0 20px}
@media(min-width:640px){.container{padding:0 28px}}
@media(min-width:1024px){.container{padding:0 32px}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;transition:background .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);border-bottom:1px solid transparent}
.site-header.is-scrolled{background:rgba(255,255,255,.88);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);box-shadow:0 6px 24px rgba(23,16,43,.06)}
.header-inner{display:flex;align-items:center;gap:18px;min-height:68px}
.logo{display:flex;align-items:center;gap:10px;flex:none}
.logo-mark{width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:18px;font-weight:700;box-shadow:0 8px 20px rgba(108,43,217,.26)}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:16px;font-weight:700;letter-spacing:.01em}
.logo-text i{font-style:normal;font-size:12px;color:var(--text-3);letter-spacing:.04em}
@media(max-width:639px){.logo-text i{display:none}}
.nav-pill{display:flex;align-items:center;gap:4px;margin-left:auto;background:var(--surface-2);border-radius:999px;padding:6px}
.nav-pill a{padding:8px 16px;border-radius:999px;font-size:14px;font-weight:600;color:var(--text-2);transition:background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease)}
.nav-pill a:hover{background:#fff;color:var(--brand-b)}
.nav-pill a.active{background:var(--grad);color:#fff;box-shadow:0 8px 18px rgba(224,25,127,.24)}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
@media(min-width:1024px){.header-actions{margin-left:0}}
.link-quiet{font-size:14px;font-weight:600;color:var(--text-2);padding:8px 4px;transition:color .2s var(--ease)}
.link-quiet:hover{color:var(--brand-a)}
.hamburger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--border);align-items:center;justify-content:center;color:var(--text);transition:background .2s var(--ease)}
.hamburger:hover{background:var(--surface-2)}
@media(max-width:1023px){
  .nav-pill{display:none}
  .hamburger{display:inline-flex}
  .header-actions .link-quiet,.header-actions .btn-primary{display:none}
}

/* drawer */
.drawer-mask{position:fixed;inset:0;background:rgba(23,16,43,.45);opacity:0;visibility:hidden;transition:opacity .26s var(--ease),visibility .26s;z-index:80}
.drawer-mask.open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;height:100%;width:84vw;max-width:380px;background:#fff;border-radius:24px 0 0 24px;box-shadow:var(--sh-3);transform:translateX(100%);transition:transform .26s var(--ease);z-index:90;display:flex;flex-direction:column;padding:20px 0 0}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:0 20px 16px;border-bottom:1px solid var(--line)}
.drawer-close{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;border:1px solid var(--border);color:var(--text-2)}
.drawer-close:hover{background:var(--surface-2)}
.drawer-nav{display:flex;flex-direction:column;padding:12px 12px 0;overflow-y:auto;flex:1}
.drawer-nav a{display:flex;align-items:center;height:56px;padding:0 14px;border-radius:12px;font-size:18px;font-weight:600;color:var(--text);transition:background .2s var(--ease),color .2s var(--ease)}
.drawer-nav a:hover{background:var(--surface-2);color:var(--brand-b)}
.drawer-nav a.active{background:var(--surface-2);color:var(--brand-b);box-shadow:inset 3px 0 0 0 var(--brand-b)}
.drawer-foot{display:flex;flex-direction:column;gap:10px;padding:16px 20px 24px;border-top:1px solid var(--line)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:52px;padding:0 28px;border-radius:var(--r-sm);font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .2s var(--ease),box-shadow .26s var(--ease),background .2s var(--ease),color .2s var(--ease),filter .2s var(--ease);white-space:nowrap}
.btn-sm{height:44px;padding:0 22px;font-size:14px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(224,25,127,.28)}
.btn-primary:hover{filter:brightness(1.05);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-secondary{background:#fff;border-color:var(--brand-b);color:var(--brand-b)}
.btn-secondary:hover{background:var(--surface-2)}
.btn-ghost{background:transparent;border-color:var(--border);color:var(--text)}
.btn-ghost:hover{background:var(--surface-2)}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-ghost-light:hover{background:rgba(255,255,255,.12)}
.btn:disabled{opacity:.6;cursor:not-allowed}
.text-link{color:var(--brand-a);font-weight:600;text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.text-link:hover{text-decoration-color:var(--brand-b)}

/* ---------- hero ---------- */
.hero{position:relative;color:#fff;background-color:var(--ink);background-image:linear-gradient(135deg,rgba(108,43,217,.9),rgba(224,25,127,.86)),url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;padding:52px 0 60px}
@media(min-width:1024px){.hero{padding:72px 0 84px}}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.82);margin-bottom:18px}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.hero h1{font-size:clamp(28px,5vw,46px);line-height:1.2;font-weight:700;letter-spacing:0;max-width:17em}
.hero .lead{margin-top:16px;font-size:16px;color:rgba(255,255,255,.9);max-width:34em;line-height:1.75}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px}
.fact-chip{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);font-size:13px;font-weight:600;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.dot-mint{width:8px;height:8px;border-radius:50%;background:var(--mint);flex:none}

/* ---------- sections ---------- */
.section{padding:56px 0}
@media(min-width:768px){.section{padding:72px 0}}
@media(min-width:1024px){.section{padding:96px 0}}
.section-tight{padding:40px 0}
@media(min-width:1024px){.section-tight{padding:56px 0}}
.sec-head{max-width:44em;margin-bottom:32px}
.sec-title{font-size:clamp(24px,3.3vw,34px);line-height:1.3;font-weight:700}
.sec-title::before{content:"";display:block;width:32px;height:4px;border-radius:2px;background:var(--grad);margin-bottom:14px}
.sec-sub{margin-top:12px;color:var(--text-2);font-size:16px;max-width:38em}
.band{background:var(--surface-2);border-radius:var(--r-lg)}
.page-bg-soft{background:linear-gradient(180deg,#FAF7FB 0%,#F5F0FA 100%)}

/* ---------- split ---------- */
.split{display:grid;grid-template-columns:1fr;gap:32px;align-items:center}
@media(min-width:1024px){.split{grid-template-columns:1.05fr 1fr;gap:52px}}
.media-frame{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-3);aspect-ratio:4/3;background:linear-gradient(135deg,#F2EEF7,#E4DDF0)}
.media-frame img{width:100%;height:100%;object-fit:cover;transition:transform .26s var(--ease)}
.media-frame:hover img{transform:scale(1.03)}
.check-list{margin-top:22px}
.check-list li{display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed var(--border)}
.check-list li:last-child{border-bottom:none}
.check-list .tick{flex:none;margin-top:4px;color:var(--mint)}
.check-list b{display:block;font-weight:600;font-size:16px}
.check-list span{color:var(--text-2);font-size:14.5px}

/* ---------- stats ---------- */
.stat-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:640px){.stat-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.stat-grid{grid-template-columns:repeat(3,1fr)}}
.stat-card{position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);padding:28px 24px 22px;box-shadow:var(--sh-1);overflow:hidden;transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease)}
.stat-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#E3DBF2}
.stat-num{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;font-size:34px;font-weight:700;line-height:1.1;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:var(--brand-b)}
.stat-num small{font-family:inherit;font-size:13px;font-weight:600;letter-spacing:.04em;margin-left:6px}
.stat-label{margin-top:10px;font-weight:600;font-size:16px}
.stat-desc{margin-top:6px;font-size:14px;color:var(--text-2);line-height:1.7}

/* ---------- feature cards ---------- */
.grid-4{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:640px){.grid-4{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.grid-4{grid-template-columns:repeat(4,1fr);gap:24px}}
.card{position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;transition:transform .26s var(--ease),box-shadow .26s var(--ease)}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.card-media{aspect-ratio:16/9;background:linear-gradient(135deg,#F2EEF7,#E4DDF0);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .26s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:20px 22px 22px}
.card-body h3{font-size:20px;font-weight:600;line-height:1.4}
.card-body p{margin-top:8px;font-size:14.5px;color:var(--text-2);line-height:1.7}
.card-foot{margin-top:14px;font-size:14px;font-weight:600;color:var(--brand-a);display:inline-flex;align-items:center;gap:6px}
.card-foot svg{transition:transform .2s var(--ease)}
.card:hover .card-foot svg{transform:translateX(3px)}
.grad-outline::after{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;background:var(--grad);-webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .26s var(--ease);pointer-events:none}
.grad-outline:hover::after{opacity:1}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:768px){.steps{grid-template-columns:repeat(3,1fr);gap:24px}}
.step{position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-1);transition:transform .26s var(--ease),box-shadow .26s var(--ease)}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.step-num{width:34px;height:34px;border-radius:999px;background:var(--grad);color:#fff;display:grid;place-items:center;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:14px;font-weight:700;margin-bottom:16px}
.step h3{font-size:19px;font-weight:600}
.step p{margin-top:8px;font-size:14.5px;color:var(--text-2)}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:900px}
.faq-item{position:relative;background:#fff;border:1px solid var(--border);border-radius:var(--r-md);overflow:hidden;transition:background .26s var(--ease),border-color .26s var(--ease)}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad);opacity:0;transition:opacity .26s var(--ease)}
.faq-item[open]{background:#FBF7FD;border-color:#E7DFF5}
.faq-item[open]::before{opacity:1}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:16px;padding:20px 22px;font-size:16px;font-weight:600}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .caret{margin-left:auto;flex:none;color:var(--text-3);transition:transform .26s var(--ease)}
.faq-item[open] summary .caret{transform:rotate(180deg)}
.faq-body{padding:0 22px 22px;font-size:15px;color:var(--text-2)}

/* ---------- form ---------- */
.form-wrap{display:grid;grid-template-columns:1fr;gap:28px;align-items:start}
@media(min-width:1024px){.form-wrap{grid-template-columns:1fr 1.15fr;gap:48px}}
.form-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--sh-3);padding:26px 22px}
@media(min-width:640px){.form-card{padding:32px}}
.form-grid{display:grid;grid-template-columns:1fr;gap:18px}
@media(min-width:768px){.form-grid{grid-template-columns:1fr 1fr}}
.field{display:flex;flex-direction:column}
.field-full{grid-column:1/-1}
.field label{font-size:13px;font-weight:600;color:var(--text-2);margin-bottom:8px}
.field input,.field select{width:100%;height:50px;border-radius:var(--r-sm);border:1px solid var(--border);background:#fff;padding:0 14px;font-size:15px;color:var(--text);transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.field input::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus{border-color:var(--brand-b);box-shadow:0 0 0 3px rgba(108,43,217,.14);outline:none}
.field select{appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%235A5470' stroke-width='1.75' stroke-linecap='round'><path d='m4 6 4 4 4-4'/></svg>");background-repeat:no-repeat;background-position:right 14px center}
.form-note{font-size:13px;color:var(--text-3);margin-top:12px}
.form-side .check-list li{border-bottom-style:solid;border-color:var(--border)}

/* ---------- cta ---------- */
.cta-band{position:relative;background:var(--ink);color:#fff;border-radius:var(--r-lg);padding:38px 26px;overflow:hidden;display:grid;gap:26px}
@media(min-width:640px){.cta-band{padding:44px 40px}}
@media(min-width:1024px){.cta-band{grid-template-columns:1fr auto;align-items:center;padding:56px 56px}}
.cta-band h2{font-size:clamp(22px,3vw,30px);line-height:1.3;font-weight:700;max-width:16em}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.78);font-size:15px;max-width:28em}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2}
@media(max-width:399px){.cta-actions .btn{width:100%}}
.cta-glow{position:absolute;right:-80px;top:-90px;width:360px;height:360px;border-radius:50%;background:var(--grad);filter:blur(70px);opacity:.34;pointer-events:none}

/* ---------- footer ---------- */
.site-footer{position:relative;background:var(--ink);color:#B9B3C9;padding:56px 0 0;margin-top:0}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:28px;padding-bottom:36px}
@media(min-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}}
.site-footer .logo-text b{color:#fff}
.site-footer .logo-text i{color:#9E98B0}
.footer-brand p{margin:16px 0 18px;font-size:14px;color:#9E98B0;max-width:30em}
.footer-contact{display:flex;flex-direction:column;gap:6px;font-size:13px;color:#8B86A0}
.footer-acc summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:15px;font-weight:600;color:#fff;padding-bottom:14px}
.footer-acc summary::-webkit-details-marker{display:none}
.footer-acc .caret{color:#8B86A0;transition:transform .26s var(--ease)}
.footer-acc[open] .caret{transform:rotate(180deg)}
.acc-body{display:flex;flex-direction:column;gap:10px;padding-bottom:6px}
.acc-body a{font-size:14px;color:#9E98B0;transition:color .2s var(--ease)}
.acc-body a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--brand-a);text-underline-offset:4px}
@media(min-width:1024px){.footer-acc summary{cursor:default}}.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;font-size:13px;color:#8B86A0}

/* ---------- mobile bar ---------- */
.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:70;height:64px;background:#fff;border-top:1px solid var(--border);display:none;align-items:center;justify-content:space-between;gap:12px;padding:0 16px;box-shadow:0 -6px 20px rgba(23,16,43,.06)}
.mobile-bar .bar-label{font-size:13px;font-weight:600;color:var(--text-2)}
@media(max-width:1023px){
  .mobile-bar{display:flex}
  body{padding-bottom:80px}
}