/* roulang page: index */
:root{
  --c-violet:#6D28D9;
  --c-violet-deep:#4C1D95;
  --c-magenta:#C026D3;
  --c-amber:#F5B301;
  --c-mint:#34D399;
  --c-ink:#1A1033;
  --c-muted:#6B6188;
  --c-paper:#FAF8FF;
  --c-paper-2:#F2EDFF;
  --c-line:#E5DDFB;
  --grad-brand:linear-gradient(120deg,#4C1D95 0%,#7C3AED 48%,#C026D3 100%);
  --grad-soft:linear-gradient(135deg,#F2EDFF 0%,#FAF8FF 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow-1:0 1px 2px rgba(26,16,51,.05),0 10px 28px -14px rgba(76,29,149,.20);
  --shadow-2:0 2px 4px rgba(26,16,51,.06),0 20px 40px -16px rgba(76,29,149,.30);
  --sec-y:96px;
  --font-sans:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-violet);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--c-violet-deep)}
a:visited{color:var(--c-violet)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-violet);outline-offset:2px;border-radius:4px}
.num{font-variant-numeric:tabular-nums}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--sec-y) 0}
.section--tight{padding:64px 0}
.section--paper2{background:var(--c-paper-2)}
.section-head{max-width:760px;margin-bottom:32px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:500;letter-spacing:.08em;color:var(--c-violet);
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:16px;
}
.h2{
  font-size:clamp(1.5rem,3vw,2.15rem);
  font-weight:700;line-height:1.3;letter-spacing:-.01em;
}
.h2--bar{position:relative;padding-left:16px}
.h2--bar::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  border-radius:4px;background:var(--grad-brand);
}
.lead{color:var(--c-muted);font-size:15px;line-height:1.8;margin-top:12px}
.muted{color:var(--c-muted)}
.small{font-size:14px;line-height:1.7}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-weight:600;font-size:15px;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);filter:brightness(1.06)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-ghost{background:#fff;color:var(--c-violet);border:1.5px solid var(--c-violet)}
.btn-ghost:hover{background:var(--c-paper-2);color:var(--c-violet-deep)}
.btn-light{background:#fff;color:var(--c-violet-deep)}
.btn-light:hover{color:var(--c-violet-deep);background:#F7F2FF}
.btn-outline-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.7)}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff}
.btn-block{width:100%}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--c-violet);
}
.text-link:hover{text-decoration:underline;text-underline-offset:4px}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-ink);color:rgba(255,255,255,.82);font-size:13px;letter-spacing:.02em}
.topbar__inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:38px;flex-wrap:wrap;
}
.topbar__left{display:flex;align-items:center;gap:8px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--c-mint);box-shadow:0 0 0 3px rgba(52,211,153,.2)}
.topbar__mid{color:rgba(255,255,255,.62)}
.topbar__right{display:flex;align-items:center;gap:18px}
.topbar__right a{color:rgba(255,255,255,.88);font-size:13px}
.topbar__right a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.86);
  border-bottom:1px solid var(--c-line);
  backdrop-filter:saturate(1.4) blur(6px);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:#fff;box-shadow:0 8px 24px -18px rgba(76,29,149,.45)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:70px}
.brand{display:flex;align-items:center;gap:10px;color:var(--c-ink)}
.brand:hover{color:var(--c-ink)}
.brand__mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:var(--grad-brand);color:#fff;flex:0 0 auto;
  box-shadow:0 8px 18px -10px rgba(124,58,237,.9);
}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__name{font-size:17px;font-weight:800;letter-spacing:-.01em}
.brand__tag{
  font-size:11px;font-weight:500;letter-spacing:.06em;color:var(--c-violet);
  border:1px solid var(--c-line);border-radius:var(--r-pill);
  padding:1px 8px;margin-top:3px;align-self:flex-start;background:var(--c-paper-2);
}
.nav__menu{display:flex;align-items:center;gap:6px}
.nav__link{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;
  font-size:15px;font-weight:500;color:#4A4066;border-radius:10px;
}
.nav__link:hover{color:var(--c-violet);background:var(--c-paper-2)}
.nav__link.is-active{color:var(--c-violet);font-weight:700}
.nav__link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  border-radius:3px;background:var(--grad-brand);
}
.nav__cta{display:flex;align-items:center;gap:12px}
.nav__burger{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--c-line);background:#fff;align-items:center;justify-content:center;
}
.nav__burger:hover{border-color:var(--c-violet)}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0 0 0 auto;width:min(86vw,360px);background:#fff;z-index:90;
  transform:translateX(102%);transition:transform .28s ease;
  display:flex;flex-direction:column;box-shadow:-24px 0 60px -30px rgba(26,16,51,.5);
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--c-line)}
.drawer__close{width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);display:grid;place-items:center;background:#fff}
.drawer__nav{padding:8px 0;overflow-y:auto;flex:1}
.drawer__link{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 20px;font-size:16px;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.drawer__link.is-active{color:var(--c-violet);font-weight:700;background:var(--c-paper-2)}
.drawer__foot{padding:16px 20px;border-top:1px solid var(--c-line)}
.overlay{
  position:fixed;inset:0;background:rgba(26,16,51,.42);z-index:80;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.overlay.is-open{opacity:1;visibility:visible}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(900px 460px at 88% -10%,rgba(192,38,211,.14),transparent 62%),
    radial-gradient(680px 420px at 4% 8%,rgba(109,40,217,.12),transparent 60%),
    var(--c-paper);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:radial-gradient(rgba(109,40,217,.16) 1px,transparent 1px);
  background-size:34px 34px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 70%);
}
.hero__grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  gap:56px;align-items:center;padding:76px 0 88px;
}
.hero h1{
  font-size:clamp(2rem,5vw,3.25rem);
  font-weight:800;line-height:1.15;letter-spacing:-.02em;
}
.hero__sub{font-size:17px;color:var(--c-muted);margin-top:18px;max-width:520px}
.hero__actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:28px}
.hero__badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.badge{
  display:inline-flex;align-items:baseline;gap:6px;
  background:var(--c-paper-2);border:1px solid var(--c-line);
  border-radius:var(--r-pill);padding:7px 15px;font-size:13px;color:var(--c-violet-deep);
}
.badge strong{font-size:15px;font-weight:800}
.badge span{color:var(--c-muted);font-size:12px}
.hero__visual{position:relative}
.hero__back{
  position:absolute;inset:14px -6px -18px 22px;border-radius:32px;overflow:hidden;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.hero__back::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(76,29,149,.78),rgba(192,38,211,.42))}
.hero__card{
  position:relative;background:#fff;border:1px solid var(--c-line);
  border-radius:28px;padding:14px;box-shadow:var(--shadow-2);
}
.hero__card img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:20px;
}
.hero__card-body{padding:16px 8px 6px}
.hero__card-title{font-size:16px;font-weight:700}
.hero__card-desc{font-size:13px;color:var(--c-muted);margin-top:4px}
.float-chip{
  position:absolute;left:-18px;bottom:34px;z-index:3;
  display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--c-line);border-radius:16px;
  padding:10px 16px;box-shadow:var(--shadow-2);
}
.float-chip__icon{
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  background:rgba(245,179,1,.16);color:#B77F00;
}
.float-chip__num{font-size:18px;font-weight:800;line-height:1.1;color:var(--c-ink)}
.float-chip__txt{font-size:12px;color:var(--c-muted)}

/* ---------- 痛点横条 ---------- */
.pain{
  background:var(--c-paper-2);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:12px 36px;
}
.pain__row{
  display:grid;grid-template-columns:88px minmax(0,1fr) 56px;
  gap:24px;align-items:center;padding:30px 0;
  border-bottom:1px solid #DDD3FA;
}
.pain__row:last-child{border-bottom:0}
.pain__idx{
  font-size:40px;font-weight:800;line-height:1;letter-spacing:-.03em;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.pain__title{font-size:19px;font-weight:700}
.pain__desc{font-size:15px;color:var(--c-muted);margin-top:6px;max-width:720px}
.pain__icon{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  background:#fff;border:1px solid var(--c-line);color:var(--c-violet);
  justify-self:end;
}

/* ---------- Bento 解决方案 ---------- */
.bento{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px}
.bento__item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease;
  display:flex;flex-direction:column;
}
.bento__item:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.bento__item--7{grid-column:span 7}
.bento__item--5{grid-column:span 5}
.bento__item--4{grid-column:span 4}
.bento__item--media{
  padding:0;overflow:hidden;position:relative;min-height:300px;
}
.bento__media{position:absolute;inset:0}
.bento__media img{width:100%;height:100%;object-fit:cover}
.bento__media::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(26,16,51,.15),rgba(26,16,51,.85))}
.bento__media-body{
  position:relative;z-index:2;margin-top:auto;padding:28px;color:#fff;
}
.bento__media-body h3{font-size:21px;font-weight:700;color:#fff}
.bento__media-body p{font-size:14px;color:rgba(255,255,255,.82);margin-top:8px;max-width:420px}
.bento__icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--c-paper-2);color:var(--c-violet);margin-bottom:18px;
}
.bento__title{font-size:19px;font-weight:700}
.bento__desc{font-size:14px;color:var(--c-muted);margin-top:10px}
.bento__item .text-link{margin-top:auto;padding-top:18px}

/* ---------- 数据区 ---------- */
.stats{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(120deg,#4C1D95 0%,#7C3AED 52%,#C026D3 100%);
}
.stats::before{
  content:"";position:absolute;inset:0;opacity:.18;
  background-image:radial-gradient(#fff 1px,transparent 1px);
  background-size:46px 46px;
}
.stats__inner{position:relative;z-index:2;padding:88px 0}
.stats__head{max-width:640px;margin-bottom:44px}
.stats__head h2{color:#fff}
.stats__head p{color:rgba(255,255,255,.78);margin-top:12px;font-size:15px}
.stats__grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.stat{
  background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);
  border-radius:20px;padding:26px 24px;
}
.stat__num{font-size:44px;font-weight:800;line-height:1.05;letter-spacing:-.03em}
.stat__num small{font-size:15px;font-weight:600;margin-left:4px;color:rgba(255,255,255,.8)}
.stat__txt{font-size:14px;color:rgba(255,255,255,.78);margin-top:10px}

/* ---------- 证言 ---------- */
.quotes{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px}
.quote-main{
  grid-column:span 7;background:var(--c-paper-2);border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:40px;
}
.quote-mark{font-size:64px;line-height:.6;font-weight:800;color:var(--c-violet);opacity:.35}
.quote-main p{font-size:19px;line-height:1.85;margin-top:18px;font-weight:500}
.quote-side{grid-column:span 5;display:grid;gap:24px}
.quote-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow-1);
}
.quote-card p{font-size:15px;color:#413764;line-height:1.8}
.quote-foot{display:flex;align-items:center;gap:12px;margin-top:18px}
.avatar{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  color:#fff;font-weight:700;font-size:16px;flex:0 0 auto;
  background:linear-gradient(135deg,#7C3AED,#C026D3);
}
.quote-name{font-size:14px;font-weight:700}
.quote-role{font-size:12px;color:var(--c-muted)}

/* ---------- 最新信息 ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.news-card{
  background:#fff;border:1px solid var(--c-line);border-radius:20px;
  padding:14px;box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.news-thumb{position:relative;display:block;border-radius:var(--r-md);overflow:hidden}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-badge{
  position:absolute;top:12px;left:12px;
  background:rgba(26,16,51,.78);color:#fff;font-size:12px;font-weight:500;letter-spacing:.04em;
  border-radius:var(--r-pill);padding:4px 12px;
}
.news-title{
  font-size:17px;font-weight:700;line-height:1.5;margin-top:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.news-card:hover .news-title{color:var(--c-violet)}
.news-desc{
  font-size:14px;color:var(--c-muted);line-height:1.7;margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:18px;padding-top:14px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-muted);
}
.news-empty{
  grid-column:1/-1;text-align:center;padding:56px 24px;
  background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-lg);
}
.news-empty__icon{
  width:56px;height:56px;border-radius:18px;margin:0 auto 16px;display:grid;place-items:center;
  background:var(--c-paper-2);color:var(--c-violet);
}

/* ---------- 登录表单 ---------- */
.auth{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:linear-gradient(120deg,#4C1D95 0%,#7C3AED 52%,#C026D3 100%);
  padding:52px;color:#fff;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,440px);gap:48px;align-items:center;
}
.auth::before{
  content:"";position:absolute;inset:0;opacity:.16;
  background-image:radial-gradient(#fff 1px,transparent 1px);background-size:40px 40px;
}
.auth__copy{position:relative;z-index:2}
.auth__copy h2{color:#fff;font-size:clamp(1.5rem,3vw,2.05rem);font-weight:700;line-height:1.3}
.auth__copy p{color:rgba(255,255,255,.82);margin-top:14px;font-size:15px}
.auth__points{margin-top:26px;display:grid;gap:12px}
.auth__point{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.9)}
.auth__point svg{flex:0 0 auto;margin-top:3px}
.auth__form{
  position:relative;z-index:2;background:#fff;border-radius:var(--r-lg);
  padding:30px;box-shadow:0 30px 60px -30px rgba(26,16,51,.6);color:var(--c-ink);
}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;margin-bottom:8px;color:#3B3157}
.field input[type="text"],
.field input[type="password"]{
  width:100%;height:48px;border-radius:var(--r-sm);
  border:1px solid var(--c-line);background:#fff;padding:0 14px;font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input:focus{
  outline:none;border-color:var(--c-violet);box-shadow:0 0 0 2px rgba(109,40,217,.22);
}
.field-row{display:grid;grid-template-columns:minmax(0,1fr) 96px;gap:12px}
.captcha{
  height:48px;border-radius:var(--r-sm);display:grid;place-items:center;
  background:var(--grad-soft);border:1px solid var(--c-line);
  font-weight:800;letter-spacing:.24em;color:var(--c-violet-deep);font-size:16px;
  user-select:none;
}
.field-error{display:none;font-size:12px;color:#DC2626;margin-top:6px}
.field.has-error input{border-color:#DC2626}
.field.has-error .field-error{display:block}
.checkline{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-muted);margin:6px 0 20px}
.checkline input{width:16px;height:16px;accent-color:var(--c-violet)}
.form-note{font-size:12px;color:var(--c-muted);text-align:center;margin-top:14px}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px}
.faq__item{
  position:relative;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-md);overflow:hidden;transition:box-shadow .2s ease;
}
.faq__item.is-open{box-shadow:var(--shadow-1)}
.faq__item.is-open::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad-brand);
}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  text-align:left;padding:20px 24px;font-size:16px;font-weight:600;color:var(--c-ink);
}
.faq__q:hover{color:var(--c-violet)}
.faq__icon{
  width:26px;height:26px;flex:0 0 auto;border-radius:50%;display:grid;place-items:center;
  background:var(--c-paper-2);color:var(--c-violet);
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.faq__item.is-open .faq__icon{transform:rotate(45deg);background:var(--c-violet);color:#fff}
.faq__a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq__a-inner{padding:0 24px 22px;font-size:15px;color:var(--c-muted);line-height:1.85}

/* ---------- 结尾 CTA ---------- */
.cta{
  position:relative;overflow:hidden;border-radius:32px;color:#fff;
  background:linear-gradient(115deg,#4C1D95 0%,#7C3AED 48%,#C026D3 100%);
  padding:52px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta::before{
  content:"";position:absolute;inset:0;opacity:.14;
  background-image:radial-gradient(#fff 1px,transparent 1px);background-size:38px 38px;
}
.cta__text{position:relative;z-index:2;max-width:640px}
.cta__text h2{color:#fff;font-size:clamp(1.5rem,3vw,2.05rem);font-weight:700;line-height:1.3}
.cta__text p{color:rgba(255,255,255,.82);margin-top:12px;font-size:15px}
.cta__actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.7);margin-top:0}
.footer__grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding:72px 0 48px;
}
.footer__brand{display:flex;align-items:center;gap:10px;color:#fff;margin-bottom:16px}
.footer__brand .brand__mark{box-shadow:none}
.footer__name{font-size:17px;font-weight:800;color:#fff}
.footer__tag{font-size:11px;letter-spacing:.06em;color:rgba(255,255,255,.6);border:1px solid rgba(255,255,255,.22);border-radius:var(--r-pill);padding:1px 8px;margin-top:4px;align-self:flex-start}
.footer__desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:320px}
.footer__title{color:#fff;font-size:14px;font-weight:700;letter-spacing:.04em;margin-bottom:16px}
.footer__list{display:grid;gap:2px}
.footer__list a{color:rgba(255,255,255,.68);font-size:14px;line-height:2}
.footer__list a:hover{color:#fff}
.footer__contact{font-size:14px;line-height:2;color:rgba(255,255,255,.68)}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer__bottom a{color:rgba(255,255,255,.7)}
.footer__bottom a:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--sec-y:88px}
}
@media (max-width:1023px){
  :root{--sec-y:64px}
  .nav__menu{display:none}
  .nav__cta .btn{display:none}
  .nav__burger{display:flex}
  .hero__grid{grid-template-columns:1fr;gap:44px;padding:56px 0 64px}
  .hero__sub{max-width:none}
  .hero__back{inset:10px 0 -12px 0}
  .float-chip{left:12px;bottom:-14px}
  .bento{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bento__item--7,.bento__item--5,.bento__item--4{grid-column:span 1}
  .bento__item--media{grid-column:span 2;min-height:280px}
  .stats__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .quotes{grid-template-columns:1fr}
  .quote-main,.quote-side{grid-column:span 1}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .auth{grid-template-columns:1fr;padding:36px}
  .cta{flex-direction:column;align-items:flex-start;padding:40px}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px;padding:56px 0 36px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .pain{padding:8px 22px}
  .pain__row{grid-template-columns:56px minmax(0,1fr);gap:16px;padding:24px 0}
  .pain__idx{font-size:30px}
  .pain__icon{display:none}
  .stats__inner{padding:64px 0}
  .stat__num{font-size:36px}
  .footer__grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:639px){
  :root{--sec-y:48px}
  .topbar__mid{display:none}
  .topbar__inner{justify-content:space-between}
  .hero__actions .btn{width:100%}
  .bento{grid-template-columns:1fr}
  .bento__item--media{grid-column:span 1}
  .news-grid{grid-template-columns:1fr}
  .news-head{flex-direction:column;align-items:flex-start;gap:12px}
  .stats__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat{padding:20px 16px}
  .stat__num{font-size:32px}
  .quote-main{padding:26px}
  .quote-main p{font-size:17px}
  .auth{padding:26px}
  .auth__form{padding:22px}
  .cta{padding:30px;border-radius:24px}
  .cta__actions{width:100%}
  .cta__actions .btn{width:100%}
  .news-thumb img{min-height:180px}
}

/* roulang page: article */
:root{
  --c-violet:#6D28D9;
  --c-violet-deep:#4C1D95;
  --c-magenta:#C026D3;
  --c-amber:#F5B301;
  --c-mint:#34D399;
  --c-ink:#1A1033;
  --c-muted:#6B6188;
  --c-paper:#FAF8FF;
  --c-paper-2:#F2EDFF;
  --c-line:#E5DDFB;
  --grad-brand:linear-gradient(120deg,#4C1D95 0%,#7C3AED 48%,#C026D3 100%);
  --shadow-1:0 1px 2px rgba(26,16,51,.05),0 10px 28px -14px rgba(76,29,149,.20);
  --shadow-2:0 2px 4px rgba(26,16,51,.06),0 20px 40px -16px rgba(76,29,149,.30);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --font-base:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-violet);text-decoration:none;transition:color .2s ease,background-color .2s ease,opacity .2s ease}
a:visited{color:var(--c-violet)}
a:hover{color:var(--c-violet-deep)}
button{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:1.25em}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1280px}}
@media (max-width:520px){.container{padding:0 20px}}

/* 顶部信息条 */
.topbar{background:#1A1033;color:rgba(255,255,255,.82);font-size:13px;letter-spacing:.02em}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;flex-wrap:wrap}
.topbar__left,.topbar__right{display:flex;align-items:center;gap:10px}
.topbar__dot{width:8px;height:8px;border-radius:50%;background:var(--c-mint);box-shadow:0 0 0 3px rgba(52,211,153,.18);display:inline-block}
.topbar__mid{color:rgba(255,255,255,.62);font-size:12.5px}
.topbar a{color:rgba(255,255,255,.86);text-decoration:none}
.topbar a:hover{color:#fff;text-decoration:underline;text-underline-offset:2px}
@media (max-width:768px){.topbar__mid{display:none}}

/* 主导航 */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.9);
  border-bottom:1px solid var(--c-line);
  box-shadow:0 1px 2px rgba(26,16,51,.04);
  transition:background-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{background:#fff;box-shadow:0 6px 24px -16px rgba(76,29,149,.35)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;height:70px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--c-ink)}
.brand:hover{color:var(--c-ink)}
.brand__mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:var(--grad-brand);color:#fff;
  display:grid;place-items:center;
  box-shadow:0 8px 20px -12px rgba(76,29,149,.7);
}
.brand__text{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.brand__name{font-size:17px;font-weight:800;letter-spacing:-.01em;line-height:1.2}
.brand__tag{
  display:inline-block;font-size:11px;font-weight:500;letter-spacing:.06em;
  color:var(--c-violet);border:1px solid var(--c-line);
  background:var(--c-paper-2);padding:1px 8px;border-radius:999px;
}
.nav__menu{display:flex;align-items:center;gap:2px}
.nav__link{
  position:relative;padding:9px 13px;border-radius:999px;
  font-size:15px;color:#3B3355;text-decoration:none;transition:all .2s ease;
}
.nav__link:hover{color:var(--c-violet);background:var(--c-paper-2)}
.nav__link.is-active{color:var(--c-violet);font-weight:600}
.nav__link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;
  background:var(--grad-brand);
}
.nav__cta{display:flex;align-items:center;gap:10px}
.nav__burger{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink);
  align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease;
}
.nav__burger:hover{background:var(--c-paper-2);color:var(--c-violet)}
@media (max-width:1023px){
  .nav__menu{display:none}
  .nav__burger{display:inline-flex}
  .nav__cta .btn-primary{display:none}
}
@media (max-width:520px){
  .brand__name{font-size:15px}
  .brand__tag{display:none}
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;text-decoration:none;cursor:pointer;
  border:1.5px solid transparent;transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,filter .2s ease,color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:visited{color:#fff}
.btn-primary:hover{color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);filter:brightness(1.07)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-ghost{background:#fff;color:var(--c-violet);border-color:var(--c-violet)}
.btn-ghost:hover{background:var(--c-paper-2);color:var(--c-violet-deep)}
.btn-soft{background:#fff;color:var(--c-violet-deep);border-color:rgba(255,255,255,.4)}
.btn-soft:hover{background:#fff;color:var(--c-violet)}
.btn:focus-visible,.nav__link:focus-visible,.nav__burger:focus-visible,a:focus-visible{
  outline:2px solid var(--c-violet);outline-offset:2px;border-radius:999px;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

/* 移动抽屉 */
.drawer{
  position:fixed;top:0;right:0;z-index:80;width:84%;max-width:360px;height:100%;
  background:#fff;padding:22px 22px 28px;display:flex;flex-direction:column;
  transform:translateX(102%);transition:transform .3s ease;
  box-shadow:-24px 0 60px -30px rgba(26,16,51,.55);
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--c-line)}
.drawer__close{width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink);display:grid;place-items:center;cursor:pointer}
.drawer__menu{display:flex;flex-direction:column;margin-top:8px;flex:1;overflow-y:auto}
.drawer__menu a{
  min-height:48px;display:flex;align-items:center;font-size:16px;color:#3B3355;
  text-decoration:none;border-bottom:1px solid var(--c-line);
}
.drawer__menu a:hover{color:var(--c-violet)}
.drawer__menu a.is-active{color:var(--c-violet);font-weight:600}
.drawer__cta{width:100%;margin-top:18px}
.drawer__overlay{
  position:fixed;inset:0;background:rgba(26,16,51,.42);z-index:70;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;
}
.drawer__overlay.is-open{opacity:1;visibility:visible}

/* 面包屑 */
.crumb{padding:26px 0 0;font-size:13px;color:var(--c-muted);display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.crumb a{color:var(--c-muted)}
.crumb a:hover{color:var(--c-violet)}
.crumb span.sep{color:#C4BADE}
.crumb .now{color:#3B3355}

/* 文章头 */
.article-head{padding:18px 0 0;max-width:900px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--c-paper-2);color:var(--c-violet-deep);
  border:1px solid var(--c-line);border-radius:999px;
  padding:5px 13px;font-size:12.5px;font-weight:500;letter-spacing:.04em;
}
.article-head h1{
  font-size:clamp(1.75rem,3.6vw,2.6rem);font-weight:800;line-height:1.24;
  letter-spacing:-.02em;margin:16px 0 14px;min-height:2.5em;
  overflow-wrap:break-word;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--c-muted)}
.article-meta .dot{width:3px;height:3px;border-radius:50%;background:#C4BADE;display:inline-block}
.article-cover{margin:26px 0 0;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--shadow-1)}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;height:auto}
@media (max-width:768px){.article-cover{margin-top:20px;border-radius:18px}}

/* 布局 */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;padding:40px 0 0}
@media (min-width:1024px){
  .article-layout{grid-template-columns:minmax(0,1fr) 320px;gap:48px;padding-top:48px}
}
.article-main{min-width:0}

/* 正文排版 */
.article-body{max-width:760px;font-size:16.5px;line-height:1.9;color:#2C2440;overflow-wrap:break-word}
.article-body p{margin:0 0 1.25em}
.article-body h2{
  position:relative;font-size:clamp(1.2rem,2.2vw,1.5rem);font-weight:700;line-height:1.4;
  margin:36px 0 16px;padding-left:15px;color:var(--c-ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:1em;border-radius:4px;background:var(--grad-brand);
}
.article-body h3{font-size:1.125rem;font-weight:700;margin:28px 0 12px;color:var(--c-ink)}
.article-body h4{font-size:1rem;font-weight:700;margin:22px 0 10px}
.article-body ul,.article-body ol{margin:0 0 1.25em;padding-left:1.35em}
.article-body li{margin-bottom:8px;line-height:1.8}
.article-body blockquote{
  margin:24px 0;padding:20px;background:var(--c-paper-2);
  border-left:3px solid var(--c-violet);border-radius:0 16px 16px 0;color:#3B3355;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:16px;margin:22px 0 8px;height:auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--c-muted);text-align:center;margin-top:8px}
.article-body a{color:var(--c-violet);text-decoration:underline;text-underline-offset:3px}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:24px 0;border-radius:12px;overflow:hidden}
.article-body th{background:var(--c-paper-2);text-align:left;font-weight:600;padding:12px 14px;color:var(--c-ink)}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--c-line);line-height:1.7}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:32px 0}
.article-body strong{font-weight:700;color:var(--c-ink)}

/* 空状态 */
.empty-state{
  max-width:760px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:44px 32px;text-align:center;box-shadow:var(--shadow-1);
}
.empty-state .icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:18px;background:var(--c-paper-2);
  color:var(--c-violet);display:grid;place-items:center;
}
.empty-state h2{font-size:1.25rem;font-weight:700;margin-bottom:8px}
.empty-state p{color:var(--c-muted);font-size:15px;margin-bottom:22px}

/* 侧栏 */
.article-side{display:none}
@media (min-width:1024px){.article-side{display:block}}
.side-inner{position:sticky;top:96px;display:grid;gap:20px}
.side-card{background:#fff;border:1px solid var(--c-line);border-radius:20px;padding:22px;box-shadow:var(--shadow-1)}
.side-card h3{font-size:15px;font-weight:700;display:flex;align-items:center;gap:8px;margin-bottom:14px}
.side-card h3::before{content:"";width:4px;height:16px;border-radius:4px;background:var(--grad-brand)}
.toc-list{display:grid;gap:2px;font-size:14px}
.toc-list a{display:block;padding:6px 0;color:var(--c-muted);border-bottom:1px dashed rgba(229,221,251,.9);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.toc-list a:hover{color:var(--c-violet)}
.toc-list a.is-sub{padding-left:14px;font-size:13px}
.toc-empty{font-size:14px;color:var(--c-muted)}
.side-links{display:grid;gap:10px;margin-top:4px}
.side-links a{font-size:14px;color:var(--c-violet);display:inline-flex;align-items:center;gap:6px}
.side-links a:hover{text-decoration:underline;text-underline-offset:3px}
.side-tip{background:var(--c-paper-2);border:1px solid var(--c-line);border-radius:20px;padding:20px}
.side-tip p{font-size:14px;color:#3B3355;line-height:1.75}
.side-tip .row{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);margin-top:12px}
.side-tip .row .dot{width:8px;height:8px;border-radius:50%;background:var(--c-mint)}

/* 通用板块 */
.section{padding:64px 0}
@media (min-width:1024px){.section{padding:88px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:28px}
.section-title{display:flex;align-items:center;gap:12px;font-size:clamp(1.35rem,2.6vw,1.9rem);font-weight:700;line-height:1.3}
.section-title::before{content:"";width:4px;height:26px;border-radius:4px;background:var(--grad-brand);flex:0 0 4px}
.section-more{font-size:14px;font-weight:600;color:var(--c-violet);display:inline-flex;align-items:center;gap:6px}
.section-more:hover{text-decoration:underline;text-underline-offset:4px}

/* 相关推荐卡 */
.card-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.post-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D9CDF8}
.post-card__media{position:relative;overflow:hidden;border-radius:16px;margin:14px 14px 0}
.post-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.post-card__badge{
  position:absolute;left:10px;top:10px;
  background:rgba(26,16,51,.72);color:#fff;border-radius:999px;
  font-size:12px;letter-spacing:.04em;padding:4px 10px;backdrop-filter:blur(2px);
}
.post-card__body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card__body h3{font-size:17px;font-weight:700;line-height:1.5;color:var(--c-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card:hover h3{color:var(--c-violet)}
.post-card__body p{font-size:14px;line-height:1.7;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-card__foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--c-line);font-size:13px;color:var(--c-muted);display:flex;align-items:center;justify-content:space-between;gap:10px}
.post-card__foot a{font-weight:600}

/* 上一篇/下一篇 */
.pager{display:grid;grid-template-columns:1fr;gap:16px;margin-top:40px}
@media (min-width:768px){.pager{grid-template-columns:1fr 1fr}}
.pager a{
  display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--c-line);
  border-radius:18px;padding:18px 20px;box-shadow:var(--shadow-1);color:var(--c-ink);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pager a:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D9CDF8;color:var(--c-violet-deep)}
.pager .lab{font-size:12.5px;color:var(--c-muted);letter-spacing:.04em;display:block;margin-bottom:2px}
.pager .txt{font-size:15px;font-weight:600;line-height:1.5}
.pager .arrow{flex:0 0 40px;width:40px;height:40px;border-radius:12px;background:var(--c-paper-2);color:var(--c-violet);display:grid;place-items:center}

/* CTA 大卡 */
.cta-wrap{padding:0 0 88px}
.cta-card{
  position:relative;overflow:hidden;border-radius:32px;padding:44px 40px;
  background:var(--grad-brand);color:#fff;
  display:grid;gap:26px;align-items:center;
}
@media (min-width:900px){.cta-card{grid-template-columns:1.2fr 1fr;padding:56px 52px}}
.cta-card::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.18;mix-blend-mode:luminosity;
}
.cta-card::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 82% 18%,rgba(245,179,1,.22),transparent 42%),
             radial-gradient(circle at 12% 86%,rgba(192,38,211,.28),transparent 46%);
}
.cta-card > *{position:relative;z-index:2}
.cta-card h2{font-size:clamp(1.4rem,2.6vw,2rem);font-weight:800;line-height:1.3;letter-spacing:-.01em}
.cta-card p{margin-top:10px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.86)}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
@media (max-width:640px){
  .cta-card{padding:32px 22px;border-radius:24px}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
}

/* 页脚 */
.site-footer{background:#1A1033;color:rgba(255,255,255,.72);padding-top:64px}
.footer__grid{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:16px}
@media (min-width:640px){.footer__grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.footer__grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr}}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer__brand .brand__mark{width:38px;height:38px;flex:0 0 38px;border-radius:12px;background:var(--grad-brand);color:#fff;display:grid;place-items:center}
.footer__name{font-size:16px;font-weight:800;color:#fff;letter-spacing:-.01em}
.footer__tag{display:inline-block;font-size:11px;letter-spacing:.06em;color:#D6C8FF;border:1px solid rgba(255,255,255,.24);border-radius:999px;padding:1px 8px;margin-top:4px}
.footer__desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px}
.footer__title{font-size:15px;font-weight:700;color:#fff;margin-bottom:14px}
.footer__list{display:grid;gap:2px}
.footer__list a{font-size:14px;line-height:2;color:rgba(255,255,255,.72);text-decoration:none}
.footer__list a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer__contact{font-size:14px;line-height:2;color:rgba(255,255,255,.72)}
.footer__bottom{
  margin-top:34px;border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px;
  align-items:center;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.56);
}
.tag-num{font-variant-numeric:tabular-nums}

/* roulang page: category1 */
:root{
  --c-violet:#6D28D9;
  --c-violet-deep:#4C1D95;
  --c-magenta:#C026D3;
  --c-amber:#F5B301;
  --c-mint:#34D399;
  --c-ink:#1A1033;
  --c-muted:#6B6188;
  --c-paper:#FAF8FF;
  --c-paper-2:#F2EDFF;
  --c-line:#E5DDFB;
  --grad-brand:linear-gradient(120deg,#4C1D95 0%,#7C3AED 48%,#C026D3 100%);
  --shadow-1:0 1px 2px rgba(26,16,51,.05),0 10px 28px -14px rgba(76,29,149,.20);
  --shadow-2:0 2px 4px rgba(26,16,51,.06),0 20px 40px -16px rgba(76,29,149,.30);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.8;color:var(--c-ink);background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-violet);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:visited{color:var(--c-violet)}
p{margin:0}
h1,h2,h3{margin:0;font-weight:700;color:var(--c-ink)}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
svg{display:block}
:focus-visible{outline:2px solid var(--c-violet);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--c-ink);color:rgba(255,255,255,.84);font-size:13px;letter-spacing:.02em}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;padding:6px 0}
.topbar__left{display:flex;align-items:center;gap:9px}
.topbar__dot{width:7px;height:7px;border-radius:50%;background:var(--c-mint);box-shadow:0 0 0 3px rgba(52,211,153,.18);flex:none}
.topbar__mid{display:none;color:rgba(255,255,255,.62)}
.topbar__right{display:flex;align-items:center;gap:18px}
.topbar__right a{color:rgba(255,255,255,.85)}
.topbar__right a:hover{color:#fff}
.topbar__right a:visited{color:rgba(255,255,255,.85)}
@media (min-width:900px){.topbar__mid{display:block}}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--c-line);
  box-shadow:0 1px 2px rgba(26,16,51,.04);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header.is-scrolled{background:#fff;box-shadow:0 8px 28px -18px rgba(76,29,149,.35)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;color:var(--c-ink)}
.brand:visited{color:var(--c-ink)}
.brand__mark{
  width:40px;height:40px;flex:none;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--grad-brand);color:#fff;
  box-shadow:0 8px 18px -10px rgba(76,29,149,.7);
}
.brand__text{display:flex;align-items:center;gap:8px}
.brand__name{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.brand__tag{
  display:none;font-size:11px;font-weight:500;letter-spacing:.06em;
  color:var(--c-violet);border:1px solid var(--c-line);
  border-radius:999px;padding:2px 8px;background:var(--c-paper-2);
}
@media (min-width:520px){.brand__tag{display:inline-block}}
.nav__menu{display:none;align-items:center;gap:6px}
@media (min-width:1024px){.nav__menu{display:flex}}
.nav__link{
  position:relative;display:inline-block;
  padding:10px 14px;border-radius:10px;
  font-size:15px;font-weight:500;color:#3F3560;
}
.nav__link:hover{color:var(--c-violet);background:var(--c-paper-2)}
.nav__link.is-active{color:var(--c-violet);font-weight:600}
.nav__link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;border-radius:3px;
  background:var(--grad-brand);
}
.nav__cta{display:flex;align-items:center;gap:12px}
.nav__burger{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:center;color:var(--c-ink);background:#fff;
}
.nav__burger:hover{background:var(--c-paper-2);color:var(--c-violet)}
@media (min-width:1024px){.nav__burger{display:none}}
@media (max-width:1023px){.nav__cta .btn-primary{display:none}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--grad-brand);color:#fff;
  box-shadow:0 10px 24px -14px rgba(76,29,149,.75);
}
.btn-primary:visited{color:#fff}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 16px 30px -14px rgba(76,29,149,.85);color:#fff}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px -10px rgba(76,29,149,.8)}
.btn-ghost{
  background:#fff;color:var(--c-violet);border:1.5px solid var(--c-violet);
}
.btn-ghost:visited{color:var(--c-violet)}
.btn-ghost:hover{background:var(--c-paper-2);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-light{background:#fff;color:var(--c-violet-deep);border:0}
.btn-light:visited{color:var(--c-violet-deep)}
.btn-light:hover{background:#F7F2FF;transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.62)}
.btn-outline-light:visited{color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);transform:translateY(-1px)}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-violet);
  border-bottom:2px solid transparent;padding-bottom:2px;
}
.btn-link:hover{border-bottom-color:var(--c-violet)}

/* ---------- 小 Hero ---------- */
.page-hero{position:relative;overflow:hidden;color:#fff;background:#2A1259}
.page-hero__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;opacity:.34;
}
.page-hero__veil{position:absolute;inset:0;background:linear-gradient(120deg,rgba(26,16,51,.94) 0%,rgba(76,29,149,.86) 52%,rgba(192,38,211,.62) 100%)}
.page-hero__stars{
  position:absolute;inset:0;opacity:.16;
  background-image:
    radial-gradient(1.6px 1.6px at 18% 26%,#fff,transparent),
    radial-gradient(1.4px 1.4px at 62% 18%,#fff,transparent),
    radial-gradient(1.6px 1.6px at 82% 62%,#fff,transparent),
    radial-gradient(1.2px 1.2px at 36% 78%,#fff,transparent),
    radial-gradient(1.4px 1.4px at 72% 84%,#fff,transparent);
}
.page-hero__inner{position:relative;z-index:2;padding:56px 0;min-height:300px;display:flex;flex-direction:column;justify-content:center}
.page-hero__badge{
  display:inline-flex;align-items:center;gap:8px;align-self:flex-start;
  font-size:12px;font-weight:500;letter-spacing:.08em;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);color:#fff;
}
.page-hero h1{
  color:#fff;font-size:clamp(1.9rem,4.6vw,2.9rem);font-weight:800;line-height:1.18;letter-spacing:-.02em;
  margin:18px 0 14px;max-width:20em;
}
.page-hero__sub{color:rgba(255,255,255,.86);font-size:16px;line-height:1.8;max-width:44em}
.page-hero__meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;font-size:13px;font-weight:500;
  background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.2);
}
.pill--amber{background:rgba(245,179,1,.16);border-color:rgba(245,179,1,.4);color:#FFE0A3}

/* ---------- 面包屑 ---------- */
.crumbs{padding:18px 0 0;font-size:13px;color:var(--c-muted)}
.crumbs a{color:var(--c-muted)}
.crumbs a:hover{color:var(--c-violet)}
.crumbs span.sep{margin:0 8px;color:#C3B9DE}

/* ---------- 通用板块 ---------- */
.section{padding:72px 0}
.section--tight{padding-top:36px}
.section-head{max-width:760px;margin-bottom:32px}
.section-head h2{
  font-size:clamp(1.5rem,3vw,2.05rem);font-weight:700;line-height:1.3;letter-spacing:-.01em;position:relative;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:4px;background:var(--grad-brand);
}
.section-head p{margin-top:14px;color:var(--c-muted);font-size:15.5px;line-height:1.85}
.lead{
  font-size:17px;line-height:1.95;color:#3B3260;max-width:900px;
  padding:26px 28px;border-radius:var(--r-lg);background:#fff;border:1px solid var(--c-line);box-shadow:var(--shadow-1);
}

/* ---------- 指南主体两栏 ---------- */
.guide-layout{display:grid;grid-template-columns:1fr;gap:32px;align-items:start;margin-top:34px}
@media (min-width:1000px){.guide-layout{grid-template-columns:minmax(0,1.75fr) minmax(0,1fr);gap:36px}}

.timeline{position:relative;padding-left:14px}
.timeline::before{
  content:"";position:absolute;left:35px;top:14px;bottom:18px;width:2px;
  background:linear-gradient(180deg,rgba(124,58,237,.9),rgba(192,38,211,.6),rgba(229,221,251,.9));
  border-radius:2px;
}
.step{position:relative;padding:0 0 34px 68px}
.step:last-child{padding-bottom:0}
.step__num{
  position:absolute;left:14px;top:2px;
  width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--grad-brand);color:#fff;font-size:15px;font-weight:800;
  box-shadow:0 10px 22px -12px rgba(76,29,149,.8);
}
.step__title{font-size:18px;font-weight:700;line-height:1.5}
.step__text{margin-top:8px;color:var(--c-muted);font-size:15px;line-height:1.85;max-width:52em}
.step__note{
  margin-top:12px;display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--c-violet-deep);background:var(--c-paper-2);
  border:1px solid var(--c-line);border-radius:999px;padding:5px 12px;
}
.step__figure{
  margin-top:16px;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--c-line);
  box-shadow:var(--shadow-1);
}
.step__figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.step__figure figcaption{font-size:13px;color:var(--c-muted);padding:10px 14px;background:#fff;border-top:1px solid var(--c-line)}

/* ---------- 快捷入口卡 ---------- */
.side-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-1);padding:26px;
}
@media (min-width:1000px){.side-card{position:sticky;top:98px}}
.side-card__title{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700}
.side-card__title svg{color:var(--c-violet)}
.side-card__desc{margin-top:12px;font-size:14px;line-height:1.8;color:var(--c-muted)}
.side-links{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.side-link{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 16px;border-radius:var(--r-sm);border:1px solid var(--c-line);
  background:#FCFAFF;color:var(--c-ink);font-size:14.5px;font-weight:600;
}
.side-link:visited{color:var(--c-ink)}
.side-link:hover{border-color:var(--c-violet);background:var(--c-paper-2);color:var(--c-violet-deep);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.side-link small{display:block;font-size:12.5px;font-weight:400;color:var(--c-muted);margin-top:3px;letter-spacing:0}
.side-card__foot{margin-top:18px;padding-top:16px;border-top:1px dashed var(--c-line);font-size:13px;color:var(--c-muted);display:flex;align-items:center;gap:8px}
.side-card__foot strong{color:var(--c-violet-deep);font-weight:700}

/* ---------- 准备清单 ---------- */
.prep{padding:88px 0}
.prep__wrap{
  border-radius:var(--r-lg);border:1px solid var(--c-line);background:#fff;
  box-shadow:var(--shadow-1);overflow:hidden;
}
.prep__grid{display:grid;grid-template-columns:1fr}
@media (min-width:640px){.prep__grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.prep__grid{grid-template-columns:repeat(4,1fr)}}
.prep__item{padding:28px 26px;border-top:1px solid var(--c-line);position:relative}
.prep__item:first-child{border-top:0}
@media (min-width:640px){
  .prep__item{border-left:1px solid var(--c-line)}
  .prep__item:nth-child(odd){border-left:0}
  .prep__item:nth-child(-n+2){border-top:0}
}
@media (min-width:1024px){
  .prep__item{border-left:1px solid var(--c-line);border-top:0}
  .prep__item:first-child{border-left:0}
}
.prep__icon{
  width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--c-paper-2);color:var(--c-violet);margin-bottom:16px;
}
.prep__item h3{font-size:16px;font-weight:700}
.prep__item p{margin-top:8px;font-size:14px;line-height:1.8;color:var(--c-muted)}

/* ---------- FAQ ---------- */
.faq{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq__item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  position:relative;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq__item:hover{box-shadow:var(--shadow-1);border-color:#D9CCF7}
.faq__item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--grad-brand);opacity:0;transition:opacity .2s ease;
}
.faq__item.is-open::before{opacity:1}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--c-ink);
}
.faq__icon{
  width:26px;height:26px;flex:none;display:flex;align-items:center;justify-content:center;
  border-radius:50%;background:var(--c-paper-2);color:var(--c-violet);
  transition:transform .2s ease,background-color .2s ease,color .2s ease;
}
.faq__item.is-open .faq__icon{transform:rotate(45deg);background:var(--grad-brand);color:#fff}
.faq__a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq__a p{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--c-muted);max-width:60em}
.faq__a ul{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--c-muted)}
.faq__a li{padding-left:16px;position:relative;margin-bottom:6px}
.faq__a li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--c-violet)}

/* ---------- CTA ---------- */
.cta-wrap{padding:0 0 88px}
.cta{
  position:relative;overflow:hidden;border-radius:32px;color:#fff;
  background:var(--grad-brand);padding:46px 40px;
  display:flex;flex-direction:column;gap:26px;
  box-shadow:0 26px 60px -30px rgba(76,29,149,.8);
}
.cta__bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.18;
}
.cta__stars{
  position:absolute;inset:0;opacity:.16;
  background-image:
    radial-gradient(1.6px 1.6px at 12% 30%,#fff,transparent),
    radial-gradient(1.4px 1.4px at 46% 16%,#fff,transparent),
    radial-gradient(1.6px 1.6px at 78% 40%,#fff,transparent),
    radial-gradient(1.2px 1.2px at 88% 74%,#fff,transparent);
}
.cta__inner{position:relative;z-index:2;display:flex;flex-direction:column;gap:26px}
.cta h2{color:#fff;font-size:clamp(1.4rem,2.6vw,1.9rem);font-weight:800;line-height:1.3;letter-spacing:-.01em}
.cta p{margin-top:12px;color:rgba(255,255,255,.88);font-size:15px;line-height:1.8;max-width:40em}
.cta__actions{display:flex;flex-direction:column;gap:12px}
@media (min-width:800px){
  .cta{padding:52px 48px;flex-direction:row;align-items:center;justify-content:space-between}
  .cta__actions{flex-direction:row;flex:none}
}
@media (max-width:799px){.cta .btn{width:100%}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);padding:60px 0 0;font-size:14px}
.footer__grid{display:grid;grid-template-columns:1fr;gap:34px;padding-bottom:44px}
@media (min-width:768px){.footer__grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer__brand .brand__mark{width:36px;height:36px;border-radius:11px}
.footer__name{color:#fff;font-size:16px;font-weight:800}
.footer__tag{font-size:11px;letter-spacing:.06em;color:rgba(255,255,255,.6)}
.footer__desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.62);max-width:32em}
.footer__title{color:#fff;font-size:14px;font-weight:700;margin-bottom:14px;letter-spacing:.02em}
.footer__list{display:flex;flex-direction:column;gap:10px}
.footer__list a{color:rgba(255,255,255,.72);font-size:14px;line-height:2}
.footer__list a:visited{color:rgba(255,255,255,.72)}
.footer__list a:hover{color:#fff}
.footer__contact{font-size:14px;line-height:2;color:rgba(255,255,255,.62)}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;
  display:flex;flex-direction:column;gap:8px;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}}

/* ---------- 移动端抽屉 ---------- */
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:90;
  background:#fff;box-shadow:-16px 0 40px -24px rgba(26,16,51,.5);
  transform:translateX(102%);transition:transform .28s ease;
  display:flex;flex-direction:column;
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--c-line)}
.drawer__title{font-size:15px;font-weight:800}
.drawer__close{width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);display:flex;align-items:center;justify-content:center;color:var(--c-ink)}
.drawer__menu{flex:1;overflow-y:auto;padding:8px 0}
.drawer__menu a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:12px 20px;font-size:16px;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.drawer__menu a:visited{color:var(--c-ink)}
.drawer__menu a:hover{background:var(--c-paper-2);color:var(--c-violet)}
.drawer__menu a.is-active{color:var(--c-violet);font-weight:700}
.drawer__foot{padding:16px 20px;border-top:1px solid var(--c-line)}
.drawer__foot .btn{width:100%}
.drawer-mask{
  position:fixed;inset:0;z-index:80;background:rgba(26,16,51,.42);
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility .28s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}

@media (max-width:639px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .page-hero__inner{padding:44px 0;min-height:280px}
  .step{padding-left:60px}
  .timeline::before{left:29px}
  .step__num{left:8px;width:40px;height:40px;font-size:14px}
  .cta{padding:34px 24px;border-radius:26px}
}

/* roulang page: category2 */
:root{
  --c-violet:#6D28D9;
  --c-violet-deep:#4C1D95;
  --c-magenta:#C026D3;
  --c-amber:#F5B301;
  --c-mint:#34D399;
  --c-ink:#1A1033;
  --c-muted:#6B6188;
  --c-paper:#FAF8FF;
  --c-paper-2:#F2EDFF;
  --c-line:#E5DDFB;
  --c-white:#ffffff;
  --grad-brand:linear-gradient(120deg,#4C1D95 0%,#7C3AED 48%,#C026D3 100%);
  --shadow-1:0 1px 2px rgba(26,16,51,.05),0 10px 28px -14px rgba(76,29,149,.20);
  --shadow-2:0 2px 4px rgba(26,16,51,.06),0 20px 40px -16px rgba(76,29,149,.30);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --space-section:92px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.8;color:var(--c-ink);background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-violet);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:visited{color:var(--c-violet)}
a:hover{color:var(--c-violet-deep)}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:16px}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-violet);outline-offset:2px;border-radius:4px}
.num{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1280px}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:#1A1033;color:#D9CFF6;font-size:13px;letter-spacing:.02em}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:38px;padding:6px 0}
.topbar__left{display:flex;align-items:center;gap:8px}
.topbar__dot{width:8px;height:8px;border-radius:50%;background:var(--c-mint);box-shadow:0 0 0 3px rgba(52,211,153,.18)}
.topbar__mid{color:#9C90C4;text-align:center;flex:1}
.topbar__right{display:flex;align-items:center;gap:18px}
.topbar__right a{color:#EFE8FF;font-size:13px}
.topbar__right a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
@media (max-width:900px){.topbar__mid{display:none}}
@media (max-width:520px){.topbar__right a:first-child{display:none}}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.86);
  border-bottom:1px solid var(--c-line);
  box-shadow:0 1px 0 rgba(26,16,51,.02);
  backdrop-filter:saturate(140%) blur(6px);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-solid{background:#fff;box-shadow:0 6px 24px -16px rgba(76,29,149,.35)}
.nav{display:flex;align-items:center;gap:24px;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;color:var(--c-ink)}
.brand:visited{color:var(--c-ink)}
.brand__mark{
  display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:12px;
  background:var(--grad-brand);color:#fff;box-shadow:var(--shadow-1);flex:0 0 auto;
}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__name{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--c-ink)}
.brand__tag{
  font-size:11px;font-weight:500;letter-spacing:.08em;color:var(--c-violet-deep);
  border:1px solid var(--c-line);border-radius:999px;padding:1px 7px;margin-top:3px;align-self:flex-start;background:var(--c-paper-2);
}
.nav__menu{display:flex;align-items:center;gap:26px;margin-left:auto}
.nav__link{position:relative;color:#3B2F5C;font-size:15px;font-weight:500;padding:6px 0}
.nav__link:hover{color:var(--c-violet)}
.nav__link.is-active{color:var(--c-violet);font-weight:600}
.nav__link.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;border-radius:999px;background:var(--grad-brand);
}
.nav__cta{display:flex;align-items:center;gap:12px}
.nav__burger{
  display:none;align-items:center;justify-content:center;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink);
}
.nav__burger:hover{background:var(--c-paper-2)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:999px;font-size:15px;font-weight:600;
  border:1.5px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background .2s ease,filter .2s ease;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:visited{color:#fff}
.btn-primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-ghost{background:#fff;color:var(--c-violet);border-color:var(--c-violet)}
.btn-ghost:visited{color:var(--c-violet)}
.btn-ghost:hover{background:var(--c-paper-2);color:var(--c-violet-deep);transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--c-violet-deep)}
.btn-light:visited{color:var(--c-violet-deep)}
.btn-light:hover{color:var(--c-violet-deep);transform:translateY(-1px);box-shadow:0 14px 30px -16px rgba(26,16,51,.6)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.btn-outline-light:visited{color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

/* ---------- 小 Hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--c-paper-2);border-bottom:1px solid var(--c-line)}
.page-hero__inner{padding:64px 0 58px;max-width:820px}
.page-hero__kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.08em;
  color:var(--c-violet-deep);background:#fff;border:1px solid var(--c-line);border-radius:999px;padding:6px 14px;margin-bottom:20px;
}
.page-hero h1{
  font-size:clamp(1.9rem,4.4vw,2.9rem);font-weight:800;line-height:1.18;letter-spacing:-.02em;color:var(--c-ink);
}
.page-hero h1 .accent{
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.page-hero__sub{margin-top:18px;font-size:17px;line-height:1.75;color:var(--c-muted);max-width:640px}
.page-hero__meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:500;color:var(--c-violet-deep);
  background:#fff;border:1px solid var(--c-line);border-radius:999px;padding:6px 14px;
}
.page-hero__glow{
  position:absolute;right:-140px;top:-120px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle at 40% 40%,rgba(124,58,237,.22),rgba(192,38,211,.10) 55%,transparent 72%);
  pointer-events:none;
}
@media (max-width:640px){.page-hero__inner{padding:46px 0 42px}}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:20px 0 0;font-size:12.5px;color:#8C82A8}
.breadcrumb a{color:#8C82A8}
.breadcrumb a:hover{color:var(--c-violet)}
.breadcrumb span.sep{margin:0 8px;color:#C3B8E4}

/* ---------- 通用区块 ---------- */
.section{padding:var(--space-section) 0}
.section--tight{padding-top:56px}
.section--paper2{background:var(--c-paper-2)}
.section__head{max-width:720px;margin-bottom:40px}
.section__title{
  position:relative;font-size:clamp(1.4rem,2.7vw,2rem);font-weight:700;line-height:1.35;letter-spacing:-.015em;
  padding-left:16px;
}
.section__title::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:1.1em;border-radius:999px;background:var(--grad-brand);
}
.section__desc{margin-top:16px;color:var(--c-muted);font-size:16px}

/* ---------- 导语段 ---------- */
.lead{
  background:#fff;border:1px solid var(--c-line);border-left:4px solid var(--c-violet);
  border-radius:var(--r-md);padding:24px 26px;box-shadow:var(--shadow-1);
  color:#332A50;font-size:16.5px;line-height:1.9;
}
.lead strong{color:var(--c-violet-deep)}

/* ---------- 左右分栏 5/7 ---------- */
.split{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:start;margin-top:36px}
@media (max-width:1023px){.split{grid-template-columns:1fr;gap:24px}}

.paste-card{
  position:relative;background:var(--grad-brand);border-radius:var(--r-lg);color:#fff;
  padding:30px 28px 34px;box-shadow:var(--shadow-2);overflow:hidden;
}
.paste-card::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 18% 22%,rgba(255,255,255,.24) 1.2px,transparent 1.6px),
                   radial-gradient(circle at 72% 66%,rgba(255,255,255,.18) 1.2px,transparent 1.6px),
                   radial-gradient(circle at 44% 88%,rgba(255,255,255,.16) 1.2px,transparent 1.6px);
  opacity:.5;pointer-events:none;
}
.paste-card__label{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.08em;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);border-radius:999px;padding:5px 12px;
}
.paste-card h3{margin-top:20px;font-size:22px;font-weight:800;line-height:1.35;letter-spacing:-.01em}
.paste-card p{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.88)}
.paste-card__steps{margin-top:22px;display:grid;gap:10px;position:relative;z-index:1}
.paste-card__steps li{
  display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.94);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.16);border-radius:14px;padding:10px 13px;
}
.paste-card__fig{margin-top:24px;border-radius:18px;overflow:hidden;position:relative;z-index:1}
.paste-card__fig img{width:100%;height:170px;object-fit:cover}
.paste-card__fig figcaption{font-size:12.5px;color:rgba(255,255,255,.75);margin-top:8px}

/* ---------- 勾选清单 ---------- */
.check-panel{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:28px 26px;box-shadow:var(--shadow-1)}
.check-panel__head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.check-panel__head h3{font-size:19px;font-weight:700}
.check-panel__hint{font-size:13px;color:var(--c-muted)}
.checklist{margin-top:20px;display:grid;gap:14px}
.checklist li{display:flex;gap:14px;align-items:flex-start;padding-bottom:14px;border-bottom:1px solid var(--c-line)}
.checklist li:last-child{border-bottom:0;padding-bottom:0}
.checklist .tick{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--c-violet);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;margin-top:2px;
}
.checklist .tick svg{width:15px;height:15px}
.checklist b{display:block;font-size:15.5px;font-weight:700;color:var(--c-ink)}
.checklist p{font-size:14.5px;color:var(--c-muted);line-height:1.75;margin-top:2px}

/* ---------- 对照卡 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:32px}
@media (max-width:768px){.compare{grid-template-columns:1fr}}
.compare__card{border-radius:var(--r-lg);padding:26px 24px;border:1px solid var(--c-line);background:#fff;box-shadow:var(--shadow-1)}
.compare__card--warn{background:#FFFBF0;border-color:#FBE7B0}
.compare__card h4{font-size:16px;font-weight:700;display:flex;align-items:center;gap:10px}
.compare__card--warn h4{color:#8A6A00}
.compare__card ul{margin-top:16px;display:grid;gap:12px}
.compare__card li{display:flex;gap:10px;font-size:14.5px;color:#3B3358;line-height:1.7}
.compare__card li svg{flex:0 0 auto;margin-top:5px;color:var(--c-violet)}
.compare__card--warn li svg{color:#C99700}

/* ---------- 琥珀提示条 ---------- */
.notice-amber{
  display:flex;gap:16px;align-items:flex-start;margin-top:32px;
  background:#FFF6E0;border:1px solid #F8E3AE;border-left:4px solid var(--c-amber);
  border-radius:var(--r-md);padding:20px 22px;
}
.notice-amber__icon{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;background:#FFE9B0;color:#8A6A00;
  display:inline-flex;align-items:center;justify-content:center;
}
.notice-amber b{display:block;font-size:15.5px;color:#7A5C00}
.notice-amber p{margin-top:4px;font-size:14.5px;line-height:1.8;color:#6B5A22}

/* ---------- 步骤流 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:36px}
@media (max-width:1023px){.flow{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.flow{grid-template-columns:1fr}}
.flow__item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:24px 22px;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease}
.flow__item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.flow__num{
  font-size:34px;font-weight:800;line-height:1;letter-spacing:-.02em;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.flow__item h4{margin-top:14px;font-size:16.5px;font-weight:700}
.flow__item p{margin-top:8px;font-size:14.5px;color:var(--c-muted);line-height:1.75}

/* ---------- 图位 ---------- */
.media-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:36px}
@media (max-width:768px){.media-grid{grid-template-columns:1fr}}
.media-card{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--shadow-1)}
.media-card img{width:100%;height:240px;object-fit:cover}
.media-card__body{position:absolute;inset:auto 0 0 0;padding:20px;color:#fff;background:linear-gradient(to top,rgba(26,16,51,.88),rgba(26,16,51,.32) 62%,transparent)}
.media-card__body h4{font-size:17px;font-weight:700}
.media-card__body p{margin-top:6px;font-size:13.5px;color:rgba(255,255,255,.82)}

/* ---------- FAQ ---------- */
.faq{margin-top:36px;display:grid;gap:12px}
.faq__item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;transition:box-shadow .2s ease}
.faq__item.is-open{box-shadow:var(--shadow-1)}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left;
  background:transparent;border:0;padding:20px 22px 20px 22px;font-size:16px;font-weight:600;color:var(--c-ink);
}
.faq__item.is-open .faq__q{color:var(--c-violet-deep)}
.faq__q .faq__bar{position:relative;flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--c-paper-2);color:var(--c-violet)}
.faq__q .faq__bar::before,.faq__q .faq__bar::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;transform:translate(-50%,-50%);
  transition:transform .2s ease,opacity .2s ease;
}
.faq__q .faq__bar::before{width:12px;height:2px}
.faq__q .faq__bar::after{width:2px;height:12px}
.faq__item.is-open .faq__bar::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq__a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq__a p{padding:0 22px 22px 22px;font-size:15px;color:var(--c-muted);line-height:1.85;border-left:3px solid transparent}
.faq__item.is-open .faq__a p{border-left:3px solid var(--c-violet);margin-left:22px;padding-left:16px;padding-right:22px}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:32px;background:var(--grad-brand);color:#fff;
  padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;box-shadow:var(--shadow-2);
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle at 12% 30%,rgba(255,255,255,.26) 1.3px,transparent 1.7px),
                   radial-gradient(circle at 62% 18%,rgba(255,255,255,.2) 1.3px,transparent 1.7px),
                   radial-gradient(circle at 84% 74%,rgba(255,255,255,.18) 1.3px,transparent 1.7px);
  opacity:.55;
}
.cta-band__text{position:relative;z-index:1;max-width:560px}
.cta-band h2{font-size:clamp(1.4rem,2.8vw,2rem);font-weight:800;line-height:1.3;letter-spacing:-.015em}
.cta-band p{margin-top:12px;font-size:15.5px;color:rgba(255,255,255,.86)}
.cta-band__actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap}
@media (max-width:860px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 26px;border-radius:24px}
  .cta-band__actions{width:100%;flex-direction:column}
  .cta-band__actions .btn{width:100%}
}

/* ---------- 页脚 ---------- */
.site-footer{background:#150C2C;color:#B9AFD8;margin-top:96px;padding:64px 0 0}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
@media (max-width:900px){.footer__grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.footer__grid{grid-template-columns:1fr}}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer__brand .brand__mark{background:var(--grad-brand);box-shadow:none}
.footer__name{font-size:16px;font-weight:700;color:#fff}
.footer__tag{font-size:11px;letter-spacing:.08em;color:#C8BCEC;border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:1px 7px}
.footer__desc{font-size:14px;line-height:1.85;color:#9C90C4;max-width:340px}
.footer__title{font-size:13px;font-weight:600;letter-spacing:.06em;color:#fff;margin-bottom:14px}
.footer__list{display:grid;gap:2px}
.footer__list a,.footer__contact{font-size:14px;line-height:2;color:#B9AFD8}
.footer__list a:hover{color:#fff}
.footer__bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8E82B4;
}
@media (max-width:640px){.site-footer{margin-top:64px;padding-top:48px}}

/* ---------- 移动端抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(26,16,51,.42);opacity:0;visibility:hidden;transition:opacity .25s ease;z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(84vw,340px);background:#fff;z-index:90;
  transform:translateX(102%);transition:transform .28s ease;display:flex;flex-direction:column;box-shadow:-20px 0 50px -30px rgba(26,16,51,.6);
}
.drawer.is-open{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--c-line)}
.drawer__close{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink)}
.drawer__list{padding:8px 0;flex:1;overflow-y:auto}
.drawer__list a{
  display:flex;align-items:center;justify-content:space-between;height:48px;padding:0 20px;font-size:16px;
  color:var(--c-ink);border-bottom:1px solid var(--c-line);
}
.drawer__list a:hover{background:var(--c-paper-2);color:var(--c-violet)}
.drawer__list a.is-active{color:var(--c-violet);font-weight:600}
.drawer__foot{padding:18px 20px;border-top:1px solid var(--c-line)}
.drawer__foot .btn{width:100%}

@media (max-width:1023px){
  .nav__menu{display:none}
  .nav__burger{display:inline-flex}
  .nav__cta .btn-primary{display:none}
  :root{--space-section:64px}
}
@media (max-width:640px){
  .container{padding:0 20px}
  :root{--space-section:48px}
  .check-panel{padding:22px 18px}
  .lead{padding:20px 18px}
}

/* roulang page: category3 */
/* ============ 设计变量 ============ */
:root{
  --c-violet:#6D28D9;
  --c-violet-deep:#4C1D95;
  --c-magenta:#C026D3;
  --c-amber:#F5B301;
  --c-mint:#34D399;
  --c-ink:#1A1033;
  --c-muted:#6B6188;
  --c-paper:#FAF8FF;
  --c-paper-2:#F2EDFF;
  --c-line:#E5DDFB;
  --grad-brand:linear-gradient(120deg,#4C1D95 0%,#7C3AED 48%,#C026D3 100%);
  --shadow-1:0 1px 2px rgba(26,16,51,.05),0 10px 28px -14px rgba(76,29,149,.20);
  --shadow-2:0 2px 4px rgba(26,16,51,.06),0 20px 40px -16px rgba(76,29,149,.30);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
}

/* ============ 基础重置 ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-paper);
  overflow-x:hidden;
}
body.menu-open{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:var(--c-violet);text-decoration:none;transition:color .2s ease,text-decoration-color .2s ease}
a:visited{color:var(--c-violet)}
a:hover{text-decoration:underline;text-underline-offset:3px}
button{font:inherit;color:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:-0.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-violet);outline-offset:2px;border-radius:6px}
.tnum{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media(min-width:1440px){.container{max-width:1280px}}
@media(max-width:640px){.container{padding:0 20px}}

.section{padding:88px 0}
@media(max-width:1023px){.section{padding:64px 0}}
@media(max-width:640px){.section{padding:48px 0}}

/* ============ 顶部信息条 ============ */
.topbar{
  background:var(--c-ink);
  color:#D9D2F2;
  font-size:13px;
  letter-spacing:.02em;
  line-height:1.6;
}
.topbar__inner{
  min-height:38px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  flex-wrap:wrap;
  padding-top:6px;
  padding-bottom:6px;
}
.topbar__left{display:flex;align-items:center;gap:8px}
.dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--c-mint);
  box-shadow:0 0 0 4px rgba(52,211,153,.18);
  flex:0 0 auto;
}
.topbar__mid{color:#B9AEDC;text-align:center}
.topbar__right{display:flex;align-items:center;gap:16px}
.topbar__right a{color:#F3EEFF;font-size:13px;font-weight:500}
.topbar__right a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
@media(max-width:1023px){.topbar__mid{display:none}}
@media(max-width:640px){
  .topbar__inner{justify-content:center;text-align:center}
  .topbar__left{font-size:12px}
}

/* ============ 主导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{
  background:#fff;
  box-shadow:0 8px 26px -20px rgba(26,16,51,.55);
}
.nav{
  min-height:70px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink);flex:0 0 auto}
.brand:hover{text-decoration:none}
.brand__mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:var(--grad-brand);
  color:#fff;
  box-shadow:0 8px 18px -10px rgba(76,29,149,.7);
  flex:0 0 auto;
}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__name{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--c-ink)}
.brand__tag{
  font-size:11px;
  font-weight:500;
  letter-spacing:.14em;
  color:var(--c-violet);
  border:1px solid var(--c-line);
  border-radius:999px;
  padding:1px 8px;
  align-self:flex-start;
  margin-top:3px;
}
.nav__menu{display:flex;align-items:center;gap:26px}
.nav__link{
  position:relative;
  color:#3B3157;
  font-size:15px;
  font-weight:500;
  padding:8px 2px;
  white-space:nowrap;
  transition:color .2s ease;
}
.nav__link:hover{color:var(--c-violet);text-decoration:none}
.nav__link.is-active{color:var(--c-violet);font-weight:700}
.nav__link.is-active::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-9px;
  height:3px;border-radius:3px;
  background:var(--grad-brand);
}
.nav__cta{display:flex;align-items:center;gap:12px;flex:0 0 auto}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  border:1.5px solid transparent;
  cursor:pointer;
  text-align:center;
  transition:transform .18s ease,box-shadow .18s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn:hover{text-decoration:none}
.btn-primary{
  background:var(--grad-brand);
  color:#fff;
  box-shadow:0 12px 26px -14px rgba(76,29,149,.8);
}
.btn-primary:hover{
  transform:translateY(-1px);
  box-shadow:0 18px 32px -14px rgba(76,29,149,.85);
  filter:brightness(1.06);
}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px -12px rgba(76,29,149,.8)}
.btn-ghost{
  background:#fff;
  color:var(--c-violet);
  border-color:rgba(109,40,217,.55);
}
.btn-ghost:hover{background:var(--c-paper-2);transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--c-violet-deep);box-shadow:0 12px 26px -18px rgba(0,0,0,.5)}
.btn-light:hover{background:#F6F1FF;transform:translateY(-1px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.65)}
.btn-outline-light:hover{background:rgba(255,255,255,.14);transform:translateY(-1px)}

.nav__burger{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border-radius:12px;
  border:1px solid var(--c-line);
  background:#fff;
  color:var(--c-ink);
}
.nav__burger:hover{background:var(--c-paper-2)}

.nav-scrim{
  position:fixed;inset:0;
  background:rgba(26,16,51,.45);
  opacity:0;pointer-events:none;
  transition:opacity .25s ease;
  z-index:55;
}
.nav-scrim.is-open{opacity:1;pointer-events:auto}

.nav__drawer-cta{
  position:fixed;
  left:0;right:0;bottom:0;
  padding:14px 20px calc(14px + env(safe-area-inset-bottom));
  background:#fff;
  border-top:1px solid var(--c-line);
  display:none;
  z-index:61;
}
.nav__drawer-cta .btn{width:100%}

@media(max-width:1023px){
  .nav__burger{display:inline-flex}
  .nav__menu{
    position:fixed;
    top:0;right:0;
    height:100vh;
    width:min(86vw,340px);
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:92px 20px 140px;
    overflow-y:auto;
    transform:translateX(102%);
    transition:transform .3s ease;
    box-shadow:-24px 0 60px -34px rgba(26,16,51,.6);
    z-index:60;
  }
  .nav__menu.is-open{transform:translateX(0)}
  .nav__link{
    min-height:48px;
    display:flex;
    align-items:center;
    font-size:16px;
    border-bottom:1px solid var(--c-line);
    padding:0 4px;
  }
  .nav__link.is-active::after{display:none}
  .nav__link.is-active{color:var(--c-violet)}
  .nav__drawer-cta.is-open{display:block}
}
@media(min-width:1024px){
  .nav__drawer-cta{display:none !important}
}

/* ============ 小 Hero ============ */
.hero3{
  position:relative;
  overflow:hidden;
  background:var(--c-ink);
  color:#fff;
}
.hero3__bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.42;
}
.hero3::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(26,16,51,.94) 0%,rgba(76,29,149,.86) 52%,rgba(192,38,211,.68) 100%);
  z-index:1;
}
.hero3::after{
  content:"";
  position:absolute;inset:0;
  z-index:1;
  opacity:.16;
  background-image:
    radial-gradient(2px 2px at 18% 26%,#fff,transparent 60%),
    radial-gradient(1.6px 1.6px at 66% 18%,#fff,transparent 60%),
    radial-gradient(1.6px 1.6px at 82% 62%,#fff,transparent 60%),
    radial-gradient(2px 2px at 38% 78%,#fff,transparent 60%),
    radial-gradient(1.4px 1.4px at 8% 68%,#fff,transparent 60%),
    radial-gradient(1.4px 1.4px at 52% 44%,#fff,transparent 60%);
}
.hero3__inner{position:relative;z-index:2;padding-top:74px;padding-bottom:70px;max-width:840px}
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.14em;
  color:#F5D9FF;
  border:1px solid rgba(255,255,255,.32);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:20px;
  background:rgba(255,255,255,.08);
}
.hero3__title{
  font-size:clamp(1.9rem,4.4vw,3rem);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.02em;
  color:#fff;
  margin-bottom:16px;
}
.hero3__sub{
  font-size:16px;
  line-height:1.85;
  color:#E4DBFA;
  max-width:620px;
}
.hero3__meta{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-top:26px;
}
.hero3__meta span{
  font-size:13px;
  padding:7px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.2);
  color:#F1EAFF;
  font-variant-numeric:tabular-nums;
}
@media(max-width:640px){
  .hero3__inner{padding-top:52px;padding-bottom:48px}
  .hero3__meta span{font-size:12px;padding:6px 12px}
}

/* ============ 面包屑 ============ */
.crumbs{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;
  color:var(--c-muted);
  padding-top:22px;
}
.crumbs a{color:var(--c-muted)}
.crumbs a:hover{color:var(--c-violet)}
.crumbs span[aria-current]{color:var(--c-ink);font-weight:600}

/* ============ 导语 ============ */
.lead-block{padding-top:32px;padding-bottom:8px}
.lead{
  font-size:17px;
  line-height:1.9;
  color:#413A5C;
  max-width:860px;
}
.lead strong{color:var(--c-violet-deep);font-weight:700}

/* ============ 通用标题 ============ */
.section-head{max-width:720px;margin-bottom:36px}
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--c-violet);
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";width:22px;height:2px;border-radius:2px;background:var(--grad-brand);
}
.section-title{
  font-size:clamp(1.5rem,3vw,2.1rem);
  font-weight:700;
  line-height:1.3;
  color:var(--c-ink);
  margin-bottom:14px;
}
.section-desc{font-size:15.5px;color:var(--c-muted);line-height:1.85}

/* ============ 图集拼贴 ============ */
.collage{
  display:grid;
  grid-template-columns:repeat(6,1fr);
  gap:20px;
}
.collage__item{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  min-height:300px;
  box-shadow:var(--shadow-1);
  border:1px solid var(--c-line);
  transition:transform .25s ease,box-shadow .25s ease;
}
.collage__item:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.collage__item img{
  position:absolute;inset:0;
  width:100%;height:100%;
  object-fit:cover;
}
.collage__item::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(26,16,51,.86) 0%,rgba(26,16,51,.34) 48%,rgba(26,16,51,0) 100%);
}
.collage__info{
  position:absolute;
  left:20px;right:20px;bottom:18px;
  z-index:2;
  color:#fff;
}
.collage__place{font-size:16px;font-weight:700;letter-spacing:-.01em}
.collage__time{
  font-size:13px;
  color:#DCCFFA;
  margin-top:2px;
  font-variant-numeric:tabular-nums;
}
.collage__item:nth-child(1){grid-column:span 4}
.collage__item:nth-child(2){grid-column:span 2}
.collage__item:nth-child(3){grid-column:span 2}
.collage__item:nth-child(4){grid-column:span 4}
.collage__item:nth-child(5){grid-column:span 3;min-height:250px}
.collage__item:nth-child(6){grid-column:span 3;min-height:250px}

@media(max-width:1023px){
  .collage{grid-template-columns:repeat(2,1fr);gap:16px}
  .collage__item{grid-column:span 1 !important;min-height:240px}
  .collage__item:nth-child(1){grid-column:span 2 !important;min-height:300px}
}
@media(max-width:640px){
  .collage{grid-template-columns:1fr}
  .collage__item{min-height:220px}
  .collage__item:nth-child(1){grid-column:span 1 !important;min-height:240px}
}

/* ============ 看点横滑区 ============ */
.scroller{
  display:flex;
  gap:20px;
  overflow-x:auto;
  padding:6px 4px 22px;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
}
.scroller::-webkit-scrollbar{height:8px}
.scroller::-webkit-scrollbar-thumb{background:var(--c-line);border-radius:999px}
.spot-card{
  flex:0 0 300px;
  scroll-snap-align:start;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.spot-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.spot-card__img{position:relative;aspect-ratio:16/10;overflow:hidden}
.spot-card__img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.spot-card:hover .spot-card__img img{transform:scale(1.05)}
.spot-card__badge{
  position:absolute;top:12px;left:12px;
  font-size:12px;font-weight:600;
  padding:4px 11px;
  border-radius:999px;
  background:rgba(255,255,255,.92);
  color:var(--c-violet-deep);
}
.spot-card__body{padding:18px 20px 22px}
.spot-card__title{font-size:16.5px;font-weight:700;margin-bottom:8px;color:var(--c-ink)}
.spot-card__text{font-size:14px;line-height:1.75;color:var(--c-muted)}
@media(max-width:640px){
  .spot-card{flex:0 0 82%}
}

/* ============ 日程 ============ */
.schedule-wrap{
  background:var(--c-paper-2);
  border-radius:var(--r-lg);
  padding:44px 40px;
  border:1px solid var(--c-line);
}
.schedule{
  border-left:2px solid #D9CDF7;
  margin-left:6px;
  padding-left:0;
}
.schedule__row{
  position:relative;
  padding:0 0 30px 30px;
}
.schedule__row:last-child{padding-bottom:0}
.schedule__row::before{
  content:"";
  position:absolute;
  left:-9px;top:6px;
  width:16px;height:16px;
  border-radius:50%;
  background:var(--grad-brand);
  border:3px solid #fff;
  box-shadow:0 0 0 1px var(--c-line);
}
.schedule__time{
  font-size:14px;
  font-weight:700;
  color:var(--c-violet);
  letter-spacing:.02em;
  font-variant-numeric:tabular-nums;
  margin-bottom:4px;
}
.schedule__title{font-size:17px;font-weight:700;color:var(--c-ink);margin-bottom:6px}
.schedule__text{font-size:14.5px;line-height:1.8;color:var(--c-muted);max-width:640px}
@media(max-width:640px){
  .schedule-wrap{padding:28px 20px}
  .schedule__row{padding-left:22px}
  .schedule__title{font-size:16px}
}

/* ============ 反馈摘录 ============ */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.quote-card{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  padding:28px 26px;
  box-shadow:var(--shadow-1);
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  transition:transform .25s ease,box-shadow .25s ease;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.quote-card__mark{
  font-size:38px;
  line-height:1;
  font-weight:800;
  background:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  margin-bottom:12px;
}
.quote-card__text{font-size:15px;line-height:1.85;color:#413A5C;margin-bottom:20px}
.quote-card__user{display:flex;align-items:center;gap:12px}
.avatar{
  width:44px;height:44px;
  border-radius:14px;
  background:var(--grad-brand);
  color:#fff;
  display:grid;place-items:center;
  font-weight:700;
  font-size:16px;
  flex:0 0 auto;
}
.quote-card__name{font-size:14.5px;font-weight:700;color:var(--c-ink);line-height:1.4}
.quote-card__role{font-size:12.5px;color:var(--c-muted)}
@media(max-width:1023px){
  .quotes{grid-template-columns:1fr;gap:16px}
}

/* ============ FAQ ============ */
.faq{max-width:920px}
.faq__item{
  position:relative;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  margin-bottom:12px;
  overflow:hidden;
  transition:box-shadow .2s ease;
}
.faq__item.is-open{box-shadow:var(--shadow-1)}
.faq__item.is-open::before{
  content:"";
  position:absolute;
  left:0;top:12px;bottom:12px;
  width:3px;
  border-radius:0 999px 999px 0;
  background:var(--grad-brand);
}
.faq__q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  background:none;border:0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--c-ink);
  line-height:1.6;
}
.faq__q:hover{color:var(--c-violet)}
.faq__icon{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:999px;
  border:1px solid var(--c-line);
  display:grid;place-items:center;
  color:var(--c-violet);
  background:#fff;
  transition:transform .2s ease,background .2s ease;
}
.faq__item.is-open .faq__icon{transform:rotate(45deg);background:var(--c-paper-2)}
.faq__panel{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq__panel-inner{
  padding:0 22px 20px;
  font-size:15px;
  line-height:1.85;
  color:var(--c-muted);
}
@media(max-width:640px){
  .faq__q{font-size:15px;padding:16px 16px}
  .faq__panel-inner{padding:0 16px 18px;font-size:14.5px}
}

/* ============ CTA 大卡 ============ */
.cta-band{
  position:relative;
  border-radius:32px;
  overflow:hidden;
  background:var(--grad-brand);
  box-shadow:0 30px 60px -34px rgba(76,29,149,.75);
}
.cta-band__bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;
  background-position:center;
  opacity:.26;
  mix-blend-mode:overlay;
}
.cta-band__inner{
  position:relative;
  z-index:2;
  padding:52px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-band__title{
  font-size:clamp(1.35rem,2.6vw,1.9rem);
  font-weight:700;
  color:#fff;
  margin-bottom:10px;
  letter-spacing:-.01em;
}
.cta-band__text{font-size:15px;color:#EDE4FF;line-height:1.8;max-width:520px}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap}
@media(max-width:768px){
  .cta-band__inner{padding:36px 24px;flex-direction:column;align-items:flex-start}
  .cta-band__actions{width:100%;flex-direction:column}
  .cta-band__actions .btn{width:100%}
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-ink);
  color:#C6BCE6;
  padding:72px 0 0;
  margin-top:88px;
}
.footer__grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:52px;
}
.footer__brand{display:flex;align-items:flex-start;gap:10px;margin-bottom:16px}
.footer__name{font-size:16.5px;font-weight:800;color:#fff;letter-spacing:-.01em}
.footer__tag{font-size:12px;color:#A99BD6}
.footer__desc{font-size:14px;line-height:1.9;color:#A99BD6;max-width:340px}
.footer__title{
  font-size:14px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.04em;
}
.footer__list{display:flex;flex-direction:column;gap:10px}
.footer__list a{color:#C6BCE6;font-size:14px;line-height:2}
.footer__list a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px}
.footer__contact{font-size:14px;line-height:2;color:#A99BD6}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:#9488C2;
}
@media(max-width:1023px){
  .footer__grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media(max-width:640px){
  .site-footer{padding-top:52px;margin-top:64px}
  .footer__grid{grid-template-columns:1fr;gap:26px;padding-bottom:36px}
  .footer__bottom{justify-content:flex-start}
}

/* roulang page: category4 */
:root{
  --c-violet:#6D28D9;
  --c-violet-deep:#4C1D95;
  --c-magenta:#C026D3;
  --c-amber:#F5B301;
  --c-mint:#34D399;
  --c-ink:#1A1033;
  --c-muted:#6B6188;
  --c-paper:#FAF8FF;
  --c-paper-2:#F2EDFF;
  --c-line:#E5DDFB;
  --grad-brand:linear-gradient(120deg,#4C1D95 0%,#7C3AED 48%,#C026D3 100%);
  --shadow-1:0 1px 2px rgba(26,16,51,.05),0 10px 28px -14px rgba(76,29,149,.20);
  --shadow-2:0 2px 4px rgba(26,16,51,.06),0 20px 40px -16px rgba(76,29,149,.30);
  --r-lg:24px; --r-md:16px; --r-sm:12px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
.page-body{
  margin:0;padding:0;
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.8;color:var(--c-ink);
  background:var(--c-paper);
  -webkit-font-smoothing:antialiased;
}
.page-body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;border:0}
a{color:var(--c-violet);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease,opacity .18s ease}
a:visited{color:var(--c-violet)}
button{font:inherit;color:inherit;cursor:pointer}
input{font:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
.num{font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section--tight{padding:64px 0}
.bg-soft{background:var(--c-paper-2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:500;letter-spacing:.06em;
  padding:6px 14px;border-radius:999px;
  background:var(--c-paper-2);color:var(--c-violet-deep);
  border:1px solid var(--c-line);
}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.sec-title{font-size:clamp(1.5rem,3vw,2.15rem);font-weight:700;line-height:1.3;position:relative;padding-left:16px}
.sec-title::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;background:var(--grad-brand)}
.sec-desc{color:var(--c-muted);font-size:15px;max-width:640px;margin-top:12px}
.text-link{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.text-link:hover{text-decoration:underline;text-underline-offset:3px}

/* 顶部信息条 */
.topbar{background:var(--c-ink);color:rgba(255,255,255,.82);font-size:13px;letter-spacing:.02em}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:38px;flex-wrap:wrap;padding-top:6px;padding-bottom:6px}
.topbar__left{display:inline-flex;align-items:center;gap:8px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--c-mint);box-shadow:0 0 0 3px rgba(52,211,153,.18);flex:0 0 8px}
.topbar__mid{color:rgba(255,255,255,.62)}
.topbar__right{display:inline-flex;align-items:center;gap:18px}
.topbar__right a{color:rgba(255,255,255,.88);font-size:13px}
.topbar__right a:hover{color:#fff}

/* 主导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  border-bottom:1px solid var(--c-line);
  box-shadow:0 1px 2px rgba(26,16,51,.04);
  backdrop-filter:saturate(150%) blur(6px);
}
.nav{display:flex;align-items:center;gap:24px;min-height:70px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink)}
.brand:visited{color:var(--c-ink)}
.brand__mark{
  width:38px;height:38px;border-radius:12px;flex:0 0 38px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad-brand);color:#fff;box-shadow:var(--shadow-1);
}
.brand__text{display:flex;flex-direction:column;line-height:1.2}
.brand__name{font-size:16px;font-weight:800;letter-spacing:.01em}
.brand__tag{
  font-size:10px;font-weight:500;letter-spacing:.08em;color:var(--c-violet-deep);
  border:1px solid var(--c-line);border-radius:999px;padding:1px 7px;margin-top:3px;align-self:flex-start;
}
.nav__menu{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav__link{
  position:relative;padding:10px 14px;border-radius:10px;font-size:15px;font-weight:500;color:#3B3360;
}
.nav__link:hover{background:var(--c-paper-2);color:var(--c-violet-deep)}
.nav__link.is-active{color:var(--c-violet-deep);font-weight:700}
.nav__link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:3px;background:var(--grad-brand);
}
.nav__cta{display:flex;align-items:center;gap:12px}
.nav__burger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  background:#fff;align-items:center;justify-content:center;color:var(--c-violet-deep);
}
.nav__burger:hover{background:var(--c-paper-2)}
.nav__burger:focus-visible{outline:2px solid var(--c-violet);outline-offset:2px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:999px;
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease,filter .18s ease;
}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:visited{color:#fff}
.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--shadow-2);filter:brightness(1.06)}
.btn-primary:active{transform:translateY(0);box-shadow:0 1px 2px rgba(26,16,51,.10)}
.btn-ghost{background:#fff;color:var(--c-violet-deep);border-color:var(--c-violet)}
.btn-ghost:visited{color:var(--c-violet-deep)}
.btn-ghost:hover{background:var(--c-paper-2)}
.btn-light{background:#fff;color:var(--c-violet-deep)}
.btn-light:visited{color:var(--c-violet-deep)}
.btn-light:hover{transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.72)}
.btn-outline-light:visited{color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.14)}
.btn:focus-visible{outline:2px solid var(--c-violet);outline-offset:2px}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:90;background:rgba(26,16,51,.42);
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer__panel{
  position:absolute;top:0;right:0;bottom:0;width:min(86vw,340px);
  background:#fff;display:flex;flex-direction:column;
  transform:translateX(100%);transition:transform .26s ease;box-shadow:-16px 0 40px -20px rgba(26,16,51,.4);
}
.drawer.is-open .drawer__panel{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--c-line)}
.drawer__title{font-size:15px;font-weight:700}
.drawer__close{width:40px;height:40px;border-radius:12px;border:1px solid var(--c-line);background:#fff;color:var(--c-violet-deep);display:inline-flex;align-items:center;justify-content:center}
.drawer__link{
  display:flex;align-items:center;min-height:48px;padding:0 20px;font-size:16px;font-weight:500;
  color:#3B3360;border-bottom:1px solid var(--c-line);
}
.drawer__link:hover{background:var(--c-paper-2)}
.drawer__link.is-active{color:var(--c-violet-deep);font-weight:700;box-shadow:inset 3px 0 0 var(--c-violet)}
.drawer__foot{margin-top:auto;padding:18px 20px;border-top:1px solid var(--c-line)}
.drawer__foot .btn{width:100%}

/* 页面小 Hero */
.page-hero{position:relative;overflow:hidden;background:var(--c-ink);color:#fff;min-height:300px;display:flex;align-items:center;padding:76px 0 60px}
.page-hero__bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.36}
.page-hero__mask{position:absolute;inset:0;background:linear-gradient(115deg,rgba(26,16,51,.94) 0%,rgba(76,29,149,.78) 58%,rgba(192,38,211,.45) 100%)}
.page-hero__stars{position:absolute;inset:0;opacity:.16;background-image:radial-gradient(1.5px 1.5px at 18% 32%,#fff 50%,transparent 51%),radial-gradient(1.5px 1.5px at 62% 22%,#fff 50%,transparent 51%),radial-gradient(1.5px 1.5px at 82% 64%,#fff 50%,transparent 51%),radial-gradient(1.5px 1.5px at 34% 78%,#fff 50%,transparent 51%)}
.page-hero__inner{position:relative;z-index:2}
.page-hero__title{font-size:clamp(1.9rem,4.4vw,2.9rem);font-weight:800;line-height:1.18;letter-spacing:-.02em;margin:18px 0 14px;max-width:820px;color:#fff}
.page-hero__sub{font-size:16px;line-height:1.8;color:rgba(255,255,255,.84);max-width:700px}
.page-hero__meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;font-size:13px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:rgba(255,255,255,.92);
}

/* 面包屑 */
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-muted);padding:20px 0 0;flex-wrap:wrap}
.crumb a{color:var(--c-muted)}
.crumb a:hover{color:var(--c-violet-deep)}
.crumb span.sep{color:#BEB4DA}

/* 导语 */
.lead{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:center}
.lead__text p{font-size:16px;line-height:1.9;color:#423A66}
.lead__text p+p{margin-top:14px}
.lead__figure{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--shadow-1);background:#fff}
.lead__figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.lead__caption{padding:14px 18px;font-size:13px;color:var(--c-muted);border-top:1px solid var(--c-line)}

/* 搜索 */
.help-search{
  display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--c-line);
  border-radius:999px;padding:6px 6px 6px 20px;box-shadow:var(--shadow-1);flex-wrap:wrap;
}
.help-search__icon{color:var(--c-violet);display:inline-flex;flex:0 0 auto}
.help-search__input{
  flex:1 1 200px;min-height:48px;border:0;outline:none;background:transparent;font-size:15px;color:var(--c-ink);min-width:0;
}
.help-search__input::placeholder{color:#A99FC7}
.help-search .btn{min-height:44px}
.help-search__note{font-size:13px;color:var(--c-muted);margin-top:14px}

/* 入口卡片 */
.entry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:32px}
.entry-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:28px 24px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#D6C9F7}
.entry-card__icon{
  width:46px;height:46px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--c-paper-2);color:var(--c-violet-deep);border:1px solid var(--c-line);margin-bottom:18px;
}
.entry-card__title{font-size:17px;font-weight:700;margin-bottom:10px}
.entry-card__desc{font-size:14px;line-height:1.75;color:var(--c-muted)}

/* FAQ */
.faq{max-width:880px;margin:0 auto}
.faq__item{
  position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq__item:hover{border-color:#D6C9F7}
.faq__item[open]{box-shadow:var(--shadow-1);border-color:#D6C9F7}
.faq__item[open]::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad-brand)}
.faq__q{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:600;cursor:pointer;color:var(--c-ink);
}
.faq__q::-webkit-details-marker{display:none}
.faq__q:hover{color:var(--c-violet-deep)}
.faq__icon{position:relative;width:20px;height:20px;flex:0 0 20px}
.faq__icon::before,.faq__icon::after{
  content:"";position:absolute;left:50%;top:50%;width:14px;height:2px;border-radius:2px;
  background:var(--c-violet);transition:transform .2s ease;
}
.faq__icon::before{transform:translate(-50%,-50%) rotate(0deg)}
.faq__icon::after{transform:translate(-50%,-50%) rotate(90deg)}
.faq__item[open] .faq__icon::before{transform:translate(-50%,-50%) rotate(45deg)}
.faq__item[open] .faq__icon::after{transform:translate(-50%,-50%) rotate(-45deg)}
.faq__a{padding:0 24px 22px;font-size:15px;line-height:1.85;color:#4A4270;border-top:1px solid transparent}
.faq__item[open] .faq__a{border-top-color:var(--c-line);padding-top:18px}

/* 联系支持卡 */
.contact-card{
  display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--shadow-1);
}
.contact-card__title{font-size:20px;font-weight:700;margin-bottom:10px}
.contact-card__desc{font-size:15px;line-height:1.8;color:var(--c-muted);max-width:620px}
.contact-card__actions{display:flex;gap:12px;flex-wrap:wrap}
.contact-card__meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.tagline{
  font-size:12px;letter-spacing:.04em;padding:5px 12px;border-radius:999px;
  background:var(--c-paper-2);color:var(--c-violet-deep);border:1px solid var(--c-line);font-weight:500;
}

/* 底部 CTA */
.cta-band{
  position:relative;overflow:hidden;border-radius:32px;padding:48px;
  background:var(--grad-brand);color:#fff;box-shadow:var(--shadow-2);
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cta-band__stars{position:absolute;inset:0;opacity:.16;background-image:radial-gradient(1.5px 1.5px at 12% 28%,#fff 50%,transparent 51%),radial-gradient(1.5px 1.5px at 46% 72%,#fff 50%,transparent 51%),radial-gradient(1.5px 1.5px at 78% 34%,#fff 50%,transparent 51%)}
.cta-band__text{position:relative;z-index:2;max-width:620px}
.cta-band__title{font-size:clamp(1.35rem,2.6vw,1.9rem);font-weight:700;line-height:1.35;color:#fff}
.cta-band__desc{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.88)}
.cta-band__actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}

/* 页脚 */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);padding:64px 0 24px;margin-top:0}
.footer__grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:36px}
.footer__brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer__brand .brand__mark{width:36px;height:36px;flex:0 0 36px;border-radius:11px}
.footer__name{color:#fff;font-size:15px;font-weight:800}
.footer__tag{font-size:10px;letter-spacing:.08em;color:rgba(255,255,255,.6);border:1px solid rgba(255,255,255,.24);border-radius:999px;padding:1px 7px;display:inline-block;margin-top:3px}
.footer__desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:360px}
.footer__title{color:#fff;font-size:14px;font-weight:700;margin-bottom:14px;letter-spacing:.02em}
.footer__list{display:flex;flex-direction:column}
.footer__list a{color:rgba(255,255,255,.72);font-size:14px;line-height:2}
.footer__list a:visited{color:rgba(255,255,255,.72)}
.footer__list a:hover{color:#fff}
.footer__contact{font-size:14px;line-height:2;color:rgba(255,255,255,.66)}
.footer__bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.56);
}

/* 响应式 */
@media (max-width:1023px){
  .section{padding:64px 0}
  .section--tight{padding:52px 0}
  .nav__menu{display:none}
  .nav__burger{display:inline-flex}
  .lead{grid-template-columns:1fr;gap:24px}
  .entry-grid{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr;gap:28px}
  .contact-card{grid-template-columns:1fr}
  .cta-band{padding:36px}
}
@media (min-width:1024px){
  .nav__burger{display:none}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .page-hero{padding:56px 0 46px;min-height:260px}
  .topbar__mid{display:none}
  .entry-grid{grid-template-columns:1fr;gap:16px}
  .faq__q{padding:18px 18px;font-size:15px}
  .faq__a{padding:0 18px 18px}
  .cta-band{padding:28px 22px;border-radius:24px}
  .cta-band__actions{width:100%}
  .cta-band__actions .btn{width:100%}
  .contact-card{padding:24px}
  .contact-card__actions{width:100%}
  .contact-card__actions .btn{width:100%}
  .help-search{padding:14px;border-radius:20px}
  .help-search__input{flex:1 1 100%}
  .help-search .btn{width:100%}
  .footer__grid{grid-template-columns:1fr}
  .btn{width:100%}
  .nav__cta .btn{width:auto}
}