/* roulang page: index */
:root{
  --ink-900:#17102A;
  --brand-700:#4B21A8;
  --brand-500:#7A3BFF;
  --accent-500:#FF4D8D;
  --signal-400:#22E0C8;
  --bg-100:#F7F5FC;
  --card:#FFFFFF;
  --line:#E8E3F5;
  --text:#2A2340;
  --muted:#5B5470;
  --grad-brand:linear-gradient(135deg,#7A3BFF 0%,#FF4D8D 100%);
  --grad-deep:linear-gradient(160deg,#17102A 0%,#3A1D6E 100%);
  --r-sm:12px;
  --r-card:20px;
  --r-lg:28px;
  --sh-1:0 2px 8px rgba(23,16,42,.04);
  --sh-2:0 12px 32px rgba(23,16,42,.08);
  --sh-hover:0 18px 48px rgba(74,33,168,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg-100);
  color:var(--text);
  font-size:16.5px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-700);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--brand-500);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink-900);letter-spacing:-0.01em;}
p{margin:0 0 1.1em;}
ul{margin:0;padding:0;list-style:none;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,.acc-title:focus-visible{
  outline:3px solid rgba(34,224,200,.7);
  outline-offset:2px;
  border-radius:6px;
}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}
@media (min-width:1440px){.grid-container{max-width:1280px;}}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section-head{margin-bottom:44px;max-width:760px;}
.section-head h2{
  font-size:clamp(1.5rem,2.6vw,2.2rem);
  line-height:1.25;
  font-weight:800;
  display:flex;
  align-items:center;
  gap:14px;
}
.section-head h2::before{
  content:"";
  flex:0 0 auto;
  width:6px;height:28px;border-radius:3px;background:var(--grad-brand);
}
.section-head p{margin-top:12px;color:var(--muted);font-size:16px;max-width:640px;}
.kicker{display:inline-block;font-size:12px;letter-spacing:.14em;font-weight:700;color:rgba(122,59,255,.7);text-transform:uppercase;margin-bottom:10px;}
.num-tag{font-variant-numeric:tabular-nums;font-weight:800;color:var(--brand-700);}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.7);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.92);
  box-shadow:0 10px 30px rgba(23,16,42,.08);
  border-bottom-color:var(--line);
}
.nav-bar{display:flex;align-items:center;justify-content:space-between;gap:1rem;height:64px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--ink-900);letter-spacing:-0.01em;white-space:nowrap;}
.brand:hover{color:var(--brand-700);}
.brand__mark{
  width:30px;height:30px;border-radius:10px;background:var(--grad-brand);
  display:grid;place-items:center;color:#fff;font-size:13px;font-weight:800;flex:0 0 auto;
  box-shadow:0 6px 16px rgba(122,59,255,.35);
}
.nav-left{display:flex;align-items:center;gap:28px;}
.nav-links{display:flex;align-items:center;gap:24px;}
.nav-links a{
  position:relative;font-size:15px;font-weight:600;color:var(--muted);padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--grad-brand);transform:scaleX(0);transform-origin:left;transition:transform .22s var(--ease);
}
.nav-links a:hover{color:var(--brand-700);}
.nav-links a:hover::after,.nav-links a.is-active::after{transform:scaleX(1);}
.nav-links a.is-active{color:var(--brand-700);}
.nav-right{display:flex;align-items:center;gap:14px;}
.nav-search{
  display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:6px 14px;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.nav-search:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(34,224,200,.45);}
.nav-search i{color:var(--muted);font-size:13px;}
.nav-search input{border:0;outline:0;background:transparent;width:120px;font-size:14px;padding:2px 0;}
.nav-toggle{
  display:none;width:44px;height:40px;border:1px solid var(--line);background:#fff;border-radius:12px;
  color:var(--ink-900);cursor:pointer;transition:border-color .2s var(--ease),transform .1s var(--ease);
}
.nav-toggle:active{transform:scale(.96);}
.nav-drawer{
  display:none;position:fixed;inset:64px 0 0 0;background:rgba(255,255,255,.98);z-index:79;
  padding:24px;overflow-y:auto;
}
.nav-drawer.is-open{display:block;}
.nav-drawer a{
  display:block;padding:16px 4px;font-size:17px;font-weight:700;color:var(--ink-900);
  border-bottom:1px solid var(--line);
}
.nav-drawer .drawer-cta{margin-top:24px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:0;cursor:pointer;font-weight:700;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-position .35s var(--ease),color .18s var(--ease);
  text-align:center;line-height:1.2;
}
.btn:active{transform:scale(.98);}
.btn--primary{
  background:var(--grad-brand);background-size:180% 180%;color:#fff;
  box-shadow:0 10px 26px rgba(122,59,255,.32),inset 0 1px 0 rgba(255,255,255,.28);
  padding:0 26px;height:48px;font-size:15.5px;
}
.btn--primary:hover{color:#fff;background-position:80% 50%;transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,77,141,.32);}
.btn--ghost{
  background:#fff;color:var(--ink-900);border:1.5px solid var(--brand-500);
  padding:0 24px;height:48px;font-size:15.5px;
}
.btn--ghost:hover{color:var(--brand-700);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn--sm{height:40px;padding:0 20px;font-size:14.5px;}
.btn--xs{height:32px;padding:0 16px;font-size:13.5px;}
.btn--link{background:none;border:0;padding:0;height:auto;color:var(--brand-700);font-weight:700;font-size:15px;}
.btn--link i{transition:transform .2s var(--ease);}
.btn--link:hover i{transform:translateX(4px);}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;padding:88px 0 72px;
  background:
    radial-gradient(900px 460px at 82% 8%,rgba(122,59,255,.14),transparent 68%),
    radial-gradient(700px 420px at 8% 88%,rgba(34,224,200,.12),transparent 70%),
    var(--bg-100);
}
.hero::after{
  content:"";position:absolute;left:50%;top:64px;bottom:40px;width:1px;
  background:linear-gradient(180deg,transparent,rgba(122,59,255,.28),transparent);
}
.hero__inner{position:relative;z-index:2;}
.hero h1{
  font-size:clamp(2rem,4.6vw,3.6rem);
  line-height:1.15;font-weight:800;letter-spacing:-0.01em;
}
.hero__sub{margin-top:18px;font-size:17px;color:var(--muted);max-width:520px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero__badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px;}
.hero__stage{
  position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:380px;
  background:var(--grad-deep);box-shadow:var(--sh-2);
}
.hero__stage img{
  width:100%;height:100%;min-height:380px;object-fit:cover;opacity:.72;
  transition:transform .6s var(--ease);
}
.hero__stage:hover img{transform:scale(1.04);}
.hero__stage::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(23,16,42,.62),rgba(58,29,110,.5));
}
.hero__float{
  position:absolute;z-index:3;background:rgba(255,255,255,.94);border-radius:14px;
  padding:12px 16px;box-shadow:0 14px 34px rgba(23,16,42,.22);backdrop-filter:blur(6px);
  display:flex;align-items:center;gap:10px;min-width:130px;
}
.hero__float strong{font-variant-numeric:tabular-nums;font-size:24px;font-weight:800;color:var(--ink-900);line-height:1;}
.hero__float span{font-size:12px;color:var(--muted);display:block;line-height:1.4;}
.hero__float.f1{top:8%;right:6%;}
.hero__float.f2{bottom:20%;left:5%;}
.hero__float.f3{bottom:6%;right:10%;}
.dot{width:8px;height:8px;border-radius:50%;background:var(--signal-400);flex:0 0 auto;}
.dot--pink{background:var(--accent-500);}
.dot--violet{background:var(--brand-500);}
.hero__caption{
  position:absolute;left:24px;bottom:22px;z-index:3;color:rgba(255,255,255,.82);
  font-size:13px;letter-spacing:.06em;
}

/* ============ 徽章条 ============ */
.badge-strip{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);padding:28px 24px;margin-top:-42px;position:relative;z-index:5;
}
.badge-item{display:flex;align-items:center;gap:14px;justify-content:center;}
.badge-item .tick{
  width:6px;height:36px;border-radius:3px;background:var(--grad-brand);flex:0 0 auto;
}
.badge-item b{font-variant-numeric:tabular-nums;font-size:32px;font-weight:800;color:var(--ink-900);line-height:1;}
.badge-item b em{font-style:normal;font-size:14px;color:var(--muted);font-weight:600;margin-left:4px;}
.badge-item span{display:block;font-size:13.5px;color:var(--muted);}

/* ============ 时间线 ============ */
.timeline{position:relative;margin-top:12px;}
.timeline::before{
  content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;transform:translateX(-1px);
  background:linear-gradient(180deg,rgba(122,59,255,.12),rgba(122,59,255,.55),rgba(255,77,141,.35),rgba(122,59,255,.12));
}
.tl-sep{position:relative;width:100%;display:flex;justify-content:center;margin:22px 0 26px;z-index:2;}
.tl-sep span{
  background:var(--ink-900);color:#fff;font-size:13px;font-weight:700;letter-spacing:.06em;
  padding:8px 20px;border-radius:999px;box-shadow:0 10px 24px rgba(23,16,42,.2);
}
.tl-item{position:relative;width:50%;padding:0 44px 30px 0;}
.tl-item:nth-child(odd){text-align:right;}
.tl-item:nth-child(even){margin-left:50%;padding:0 0 30px 44px;}
.tl-dot{
  position:absolute;top:16px;width:14px;height:14px;border-radius:50%;background:var(--grad-brand);
  box-shadow:0 0 0 4px #fff,0 0 0 6px rgba(122,59,255,.16);transition:transform .2s var(--ease);
}
.tl-item:nth-child(odd) .tl-dot{right:-7px;}
.tl-item:nth-child(even) .tl-dot{left:-7px;}
.tl-item:hover .tl-dot{transform:scale(1.28);}
.tl-card{
  display:inline-block;text-align:left;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px 22px;box-shadow:var(--sh-1);width:100%;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(122,59,255,.35);}
.tl-time{
  display:inline-block;font-variant-numeric:tabular-nums;font-weight:800;font-size:13.5px;
  color:#fff;background:var(--grad-brand);padding:4px 12px;border-radius:999px;margin-bottom:10px;
}
.tl-card h4{font-size:18px;line-height:1.5;margin-bottom:6px;}
.tl-card p{font-size:14.5px;color:var(--muted);margin:0 0 10px;}
.tl-meta{font-size:12.5px;color:var(--muted);border-top:1px solid var(--line);padding-top:10px;}
.tl-meta i{color:var(--brand-500);margin-right:6px;}

/* ============ 嘉宾 ============ */
.speaker-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:24px;margin-bottom:24px;}
.speaker-feature{
  position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:360px;background:var(--grad-deep);
  box-shadow:var(--sh-2);
}
.speaker-feature img{width:100%;height:100%;object-fit:cover;opacity:.78;transition:transform .6s var(--ease);}
.speaker-feature:hover img{transform:scale(1.04);}
.speaker-feature__body{
  position:absolute;left:0;right:0;bottom:0;padding:28px 26px;color:#fff;
  background:linear-gradient(180deg,transparent,rgba(23,16,42,.85));
}
.speaker-feature__body h3{color:#fff;font-size:22px;margin-bottom:6px;}
.speaker-feature__body p{color:rgba(255,255,255,.82);font-size:14.5px;margin:0;}
.avatar-ring{
  width:76px;height:76px;border-radius:50%;overflow:hidden;padding:2px;background:var(--grad-brand);
  flex:0 0 auto;transition:transform .3s var(--ease);
}
.avatar-ring img{width:100%;height:100%;border-radius:50%;object-fit:cover;}
.speaker-card{
  display:flex;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.speaker-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(122,59,255,.35);}
.speaker-card:hover .avatar-ring{transform:rotate(8deg);}
.speaker-card h4{font-size:17px;margin-bottom:2px;}
.speaker-card .role{font-size:13px;color:var(--brand-700);font-weight:700;margin-bottom:6px;}
.speaker-card .tip{font-size:13.5px;color:var(--muted);line-height:1.7;}
.speaker-rail{display:flex;gap:24px;overflow-x:auto;padding:6px 4px 20px;scroll-snap-type:x mandatory;}
.speaker-rail::-webkit-scrollbar{height:8px;}
.speaker-rail::-webkit-scrollbar-thumb{background:rgba(122,59,255,.3);border-radius:8px;}
.speaker-rail .speaker-card{flex:0 0 340px;scroll-snap-align:start;}

/* ============ 票种 ============ */
.ticket-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:end;margin-top:12px;}
.ticket{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px 26px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.ticket:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.ticket--hot{
  transform:translateY(-12px);border:1.5px solid transparent;
  background:linear-gradient(#fff,#fff) padding-box,var(--grad-brand) border-box;
  box-shadow:0 20px 48px rgba(74,33,168,.16);
}
.ticket--hot:hover{transform:translateY(-16px);}
.ticket__flag{
  position:absolute;top:-13px;right:22px;background:var(--accent-500);color:#fff;
  font-size:12px;font-weight:700;padding:5px 14px;border-radius:999px;letter-spacing:.04em;
}
.ticket h3{font-size:20px;margin-bottom:6px;}
.ticket .price{font-variant-numeric:tabular-nums;font-size:34px;font-weight:800;color:var(--ink-900);line-height:1.1;}
.ticket .price em{font-style:normal;font-size:15px;color:var(--muted);font-weight:600;margin-left:6px;}
.ticket .desc{font-size:14px;color:var(--muted);margin:10px 0 18px;}
.ticket ul{border-top:1px solid var(--line);padding-top:18px;margin-bottom:22px;}
.ticket li{display:flex;gap:10px;font-size:14.5px;color:var(--text);padding:7px 0;}
.ticket li i{color:var(--signal-400);margin-top:6px;font-size:13px;}
.ticket .btn{width:100%;}

/* ============ 资讯列表 ============ */
.news-head{display:flex;flex-wrap:wrap;gap:18px;align-items:flex-end;justify-content:space-between;margin-bottom:36px;}
.filter-tabs{display:flex;flex-wrap:wrap;gap:10px;}
.filter-tabs span{
  font-size:13.5px;color:var(--muted);background:#fff;border:1px solid var(--line);
  padding:7px 16px;border-radius:999px;cursor:pointer;transition:all .2s var(--ease);
}
.filter-tabs span:hover{color:var(--brand-700);border-color:rgba(122,59,255,.4);}
.filter-tabs span.is-on{background:var(--grad-brand);color:#fff;border-color:transparent;font-weight:700;}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(122,59,255,.32);}
.news-card__cover{display:block;position:relative;overflow:hidden;aspect-ratio:16/9;background:linear-gradient(135deg,#EFE9FF,#F7F5FC);}
.news-card__cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.news-card:hover .news-card__cover img{transform:scale(1.04);}
.news-card__cat{
  position:absolute;top:12px;left:12px;background:rgba(75,33,168,.92);color:#fff;
  font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;
}
.news-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.news-card h3{font-size:17.5px;line-height:1.55;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card h3 a{color:var(--ink-900);}
.news-card h3 a:hover{color:var(--brand-700);}
.news-card p{font-size:14.5px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:16px;}
.news-card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);border-top:1px solid var(--line);padding-top:14px;}
.news-card__foot i{margin-right:6px;color:var(--brand-500);}
.news-empty{
  grid-column:1/-1;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;
}
.news-empty i{font-size:32px;color:rgba(122,59,255,.45);}
.news-empty p{margin:16px 0 20px;color:var(--muted);}

/* ============ FAQ ============ */
.faq-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:16px 8px;box-shadow:var(--sh-1);}
.accordion{border:0;background:transparent;margin:0;}
.accordion .accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent;}
.accordion .accordion-item:last-child{border-bottom:0;}
.accordion .accordion-title{
  border:0;background:transparent;padding:22px 52px 22px 26px;font-size:18px;font-weight:700;
  color:var(--ink-900);position:relative;transition:color .2s var(--ease);
}
.accordion .accordion-title:hover{background:rgba(122,59,255,.04);color:var(--brand-700);}
.accordion .accordion-title::before{
  content:"+";position:absolute;right:26px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:700;color:var(--brand-500);transition:transform .18s var(--ease);
  background:none;width:auto;height:auto;margin:0;line-height:1;
}
.accordion .accordion-item.is-active>.accordion-title::before{content:"−";transform:translateY(-50%) rotate(180deg);}
.accordion .accordion-item.is-active>.accordion-title{color:var(--brand-700);}
.accordion .accordion-item.is-active>.accordion-title::after{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:4px;border-radius:0 4px 4px 0;background:var(--grad-brand);
}
.accordion .accordion-content{
  border:0;background:transparent;padding:0 52px 24px 26px;font-size:16px;line-height:1.9;color:var(--muted);
}

/* ============ CTA ============ */
.cta-band{
  border-radius:var(--r-lg);overflow:hidden;position:relative;background:var(--grad-deep);
  color:#fff;box-shadow:0 24px 60px rgba(23,16,42,.28);padding:56px 48px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.28;
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,77,141,.42),transparent 68%);
}
.cta-band>*{position:relative;z-index:2;}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,2.4vw,2rem);font-weight:800;margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.8);font-size:15.5px;}
.cta-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:rgba(255,255,255,.88);padding:6px 0;}
.cta-list i{color:var(--signal-400);margin-top:6px;}
.form-card{
  background:rgba(255,255,255,.98);border-radius:var(--r-card);padding:28px;box-shadow:0 20px 44px rgba(0,0,0,.24);
}
.form-card h3{font-size:19px;margin-bottom:6px;color:var(--ink-900);}
.form-card .hint{font-size:13.5px;color:var(--muted);margin-bottom:18px;}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;font-weight:700;color:var(--ink-900);margin-bottom:7px;}
.field input[type="text"],.field input[type="tel"],.field select,.field textarea{
  width:100%;height:48px;border:1px solid var(--line);border-radius:var(--r-sm);padding:0 14px;
  background:#fff;transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.field textarea{height:88px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(34,224,200,.45);
}
.radio-row{display:flex;gap:10px;flex-wrap:wrap;}
.radio-row label{
  display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:14px;color:var(--muted);
  border:1px solid var(--line);border-radius:999px;padding:8px 16px;cursor:pointer;
  transition:all .2s var(--ease);margin:0;
}
.radio-row input{accent-color:var(--brand-500);}
.radio-row label:hover{border-color:var(--brand-500);color:var(--brand-700);}
.form-note{font-size:12.5px;color:var(--muted);margin:14px 0 0;line-height:1.7;}
.form-alert{font-size:13px;margin-top:10px;}
.form-alert.error{color:var(--accent-500);}
.form-alert.ok{color:#0E9E8C;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--grad-deep);color:rgba(255,255,255,.72);
  border-radius:28px 28px 0 0;margin-top:72px;padding:64px 0 0;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:16px;}
.footer-brand .brand__mark{box-shadow:none;}
.site-footer p{font-size:14px;line-height:1.9;}
.site-footer h4{color:#fff;font-size:15.5px;margin:0 0 18px;font-weight:700;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(255,255,255,.7);font-size:14px;}
.footer-links a:hover{color:var(--signal-400);}
.footer-contact li{display:flex;gap:10px;font-size:14px;margin-bottom:12px;line-height:1.7;}
.footer-contact i{color:var(--signal-400);margin-top:6px;font-size:13px;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  text-align:center;font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:rgba(255,255,255,.62);}
.footer-bottom a:hover{color:var(--signal-400);}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .section{padding:72px 0;}
  .nav-links,.nav-search{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .hero{padding:72px 0 56px;}
  .hero::after{display:none;}
  .hero__stage{margin-top:40px;min-height:300px;}
  .hero__stage img{min-height:300px;}
  .badge-strip{margin-top:32px;}
  .badge-item{justify-content:flex-start;}
  .timeline::before{left:8px;transform:none;}
  .tl-item,.tl-item:nth-child(even){width:100%;margin-left:0;padding:0 0 24px 34px;text-align:left;}
  .tl-item:nth-child(odd) .tl-dot,.tl-item:nth-child(even) .tl-dot{left:1px;right:auto;}
  .tl-sep{justify-content:flex-start;padding-left:34px;}
  .speaker-grid{grid-template-columns:1fr;}
  .ticket-grid{display:flex;overflow-x:auto;gap:18px;padding-bottom:16px;}
  .ticket{flex:0 0 300px;}
  .ticket--hot{transform:none;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{padding:40px 28px;}
}
@media (max-width:639px){
  body{font-size:16px;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .section{padding:56px 0;}
  .hero{padding:56px 0 48px;}
  .hero__actions{flex-direction:column;align-items:stretch;}
  .hero__actions .btn{width:100%;}
  .hero__float.f1{top:5%;right:4%;padding:10px 12px;}
  .hero__float.f2{bottom:16%;left:4%;padding:10px 12px;}
  .hero__float.f3{display:none;}
  .hero__float strong{font-size:19px;}
  .news-grid{grid-template-columns:1fr;}
  .speaker-rail .speaker-card{flex:0 0 85%;}
  .section-head h2{font-size:1.4rem;}
  .accordion .accordion-title{padding:18px 46px 18px 18px;font-size:16.5px;}
  .accordion .accordion-content{padding:0 46px 20px 18px;}
  .cta-band{padding:32px 20px;}
  .form-card{padding:22px 18px;}
}

/* roulang page: article */
:root{
  --ink-900:#17102A;
  --brand-700:#4B21A8;
  --brand-500:#7A3BFF;
  --accent-500:#FF4D8D;
  --signal-400:#22E0C8;
  --bg-100:#F7F5FC;
  --card:#FFFFFF;
  --line:#E8E3F5;
  --text:#2A2340;
  --text-2:#5B5470;
  --grad-brand:linear-gradient(135deg,#7A3BFF 0%,#FF4D8D 100%);
  --grad-deep:linear-gradient(160deg,#17102A 0%,#3A1D6E 100%);
  --r-sm:12px;
  --r-md:20px;
  --r-lg:28px;
  --sh-1:0 2px 8px rgba(23,16,42,.04);
  --sh-2:0 12px 32px rgba(23,16,42,.08);
  --sh-h:0 18px 48px rgba(74,33,168,.14);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg-100);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;border-style:none;}
a{color:var(--brand-700);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-500);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{list-style:none;padding:0;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid rgba(34,224,200,.6);
  outline-offset:2px;
  border-radius:8px;
}

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

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1.5px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,box-shadow .22s ease,background-position .35s ease,background-color .2s ease,color .2s ease;
}
.btn--primary{
  background-image:var(--grad-brand);background-size:150% 150%;background-position:0% 50%;
  color:#fff;
  box-shadow:0 10px 24px rgba(122,59,255,.26),inset 0 1px 0 rgba(255,255,255,.35);
}
.btn--primary:hover{background-position:100% 50%;transform:translateY(-2px);color:#fff;box-shadow:0 16px 34px rgba(122,59,255,.34);}
.btn--primary:active{transform:scale(.98);}
.btn--ghost{background:#fff;border-color:var(--brand-500);color:var(--ink-900);}
.btn--ghost:hover{background:rgba(122,59,255,.07);color:var(--brand-700);transform:translateY(-2px);}
.btn--ghost:active{transform:scale(.98);}
.btn--text{height:auto;padding:0;color:var(--brand-700);box-shadow:none;background:none;}
.btn--text i{transition:transform .2s ease;}
.btn--text:hover i{transform:translateX(4px);}
.btn--sm{height:40px;padding:0 20px;font-size:14px;}
.btn--block{width:100%;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(23,16,42,.08);background:rgba(255,255,255,.95);}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,rgba(122,59,255,0) 0%,rgba(122,59,255,.55) 45%,rgba(255,77,141,.5) 60%,rgba(255,77,141,0) 100%);
  opacity:.7;
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;color:var(--ink-900);letter-spacing:-.01em;}
.brand:hover{color:var(--ink-900);}
.brand__mark{
  width:36px;height:36px;border-radius:12px;background:var(--grad-brand);
  color:#fff;display:grid;place-items:center;font-size:13px;font-weight:800;
  box-shadow:0 6px 16px rgba(122,59,255,.32);letter-spacing:.02em;
}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  padding:8px 14px;border-radius:999px;font-size:15px;font-weight:600;color:var(--text-2);
  transition:color .2s ease,background-color .2s ease,box-shadow .2s ease;
}
.nav-links a:hover{color:var(--brand-700);background:rgba(122,59,255,.08);}
.nav-links a.is-active{
  color:#fff;background-image:var(--grad-brand);
  box-shadow:0 8px 20px rgba(122,59,255,.26);
}
.nav-right{display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;
  border:1px solid var(--line);border-radius:999px;background:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--brand-500);box-shadow:0 0 0 3px rgba(34,224,200,.25);}
.nav-search i{color:var(--text-2);font-size:13px;}
.nav-search input{border:none;outline:none;background:transparent;width:150px;font-size:14px;color:var(--text);}
.nav-search input::placeholder{color:#9C94B3;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink-900);font-size:16px;cursor:pointer;
}
.nav-drawer{display:none;}
@media (max-width:1023px){
  .nav-links,.nav-search{display:none;}
  .nav-toggle{display:inline-grid;place-items:center;}
  .nav-inner{height:56px;}
  .nav-drawer{
    display:flex;flex-direction:column;gap:6px;
    position:fixed;inset:0;z-index:130;background:#fff;padding:20px 20px 28px;
    transform:translateX(100%);transition:transform .32s cubic-bezier(.4,0,.2,1);
    overflow-y:auto;
  }
  .nav-drawer.is-open{transform:translateX(0);}
  .nav-drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
  .nav-drawer__close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink-900);cursor:pointer;}
  .nav-drawer__links{display:flex;flex-direction:column;gap:4px;margin-bottom:18px;}
  .nav-drawer__links a{padding:14px 16px;border-radius:14px;font-size:16px;font-weight:600;color:var(--text);background:#F8F6FE;}
  .nav-drawer__links a.is-active{color:#fff;background-image:var(--grad-brand);}
  .nav-drawer .btn{margin-top:auto;}
}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;margin-bottom:22px;}
.crumb a{color:rgba(255,255,255,.75);}
.crumb a:hover{color:#fff;}
.crumb span{color:rgba(255,255,255,.5);}
.crumb .is-current{color:#fff;font-weight:600;}

/* ---------- 文章首屏 ---------- */
.page-hero{position:relative;color:#fff;padding:60px 0 56px;overflow:hidden;background:var(--grad-deep);}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;opacity:.32;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(23,16,42,.78) 0%,rgba(58,29,110,.6) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.chip{
  display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 14px;border-radius:999px;
  font-size:13px;font-weight:700;letter-spacing:.02em;
  background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.28);
}
.chip i{color:var(--signal-400);font-size:11px;}
.page-hero h1{
  margin:20px 0 18px;
  font-size:clamp(1.75rem,3.6vw,2.6rem);
  line-height:1.24;font-weight:800;letter-spacing:-.01em;
  max-width:900px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;font-size:14px;color:rgba(255,255,255,.78);}
.article-meta span{display:inline-flex;align-items:center;gap:7px;font-variant-numeric:tabular-nums;}
.article-meta i{color:var(--signal-400);font-size:13px;}

/* ---------- 正文布局 ---------- */
.article-section{padding:48px 0 72px;}
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 324px;gap:36px;align-items:start;}
@media (max-width:1023px){.article-wrap{grid-template-columns:1fr;gap:28px;}}

.article-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:48px 52px;box-shadow:var(--sh-1);
  font-size:17px;line-height:1.9;color:var(--text);
  max-width:860px;
}
@media (max-width:1023px){.article-body{padding:36px 28px;}}
@media (max-width:639px){.article-body{padding:28px 20px;font-size:16.5px;}}

.article-body > *:first-child{margin-top:0;}
.article-body h2{
  position:relative;padding-left:18px;margin:2.1em 0 .85em;
  font-size:clamp(1.25rem,2vw,1.55rem);font-weight:800;line-height:1.4;color:var(--ink-900);letter-spacing:-.01em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:6px;border-radius:6px;background:var(--grad-brand);
}
.article-body h3{
  margin:1.7em 0 .6em;padding-left:13px;border-left:3px solid rgba(122,59,255,.45);
  font-size:1.16rem;font-weight:700;color:var(--ink-900);line-height:1.5;
}
.article-body h4{margin:1.4em 0 .5em;font-size:1.03rem;font-weight:700;color:var(--brand-700);}
.article-body p{margin:0 0 1.2em;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em;}
.article-body ul li{list-style:none;position:relative;margin:.5em 0;}
.article-body ul li::before{
  content:"";position:absolute;left:-1.15em;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--grad-brand);
}
.article-body ol{list-style:decimal;}
.article-body ol li{margin:.5em 0;padding-left:.2em;}
.article-body ol li::marker{color:var(--brand-500);font-weight:700;}
.article-body blockquote{
  position:relative;margin:1.5em 0;padding:18px 24px 18px 28px;border-radius:14px;
  background:#F5F0FF;color:#3F2A7A;font-weight:500;
}
.article-body blockquote::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:4px;border-radius:4px;background:var(--grad-brand);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:16px;margin:1.4em auto;box-shadow:var(--sh-1);transition:transform .35s ease;}
.article-body img:hover{transform:scale(1.04);}
.article-body figure{margin:1.5em 0;}
.article-body figcaption{text-align:center;font-size:13px;color:var(--text-2);margin-top:10px;}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:1.5em 0;font-size:15px;
  border-radius:14px;border:1px solid var(--line);
}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;}
.article-body th{background:#F5F0FF;color:var(--brand-700);font-weight:700;white-space:nowrap;}
.article-body tr:last-child td{border-bottom:none;}
.article-body pre{
  background:var(--ink-900);color:#E9E4FB;border-radius:14px;padding:20px;overflow-x:auto;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:14px;line-height:1.7;margin:1.5em 0;
}
.article-body code{
  background:#F1ECFF;color:var(--brand-700);border-radius:6px;padding:2px 7px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em;
}
.article-body pre code{background:none;color:inherit;padding:0;}
.article-body a{color:var(--brand-700);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.article-body a:hover{color:var(--brand-500);}
.article-body hr{border:none;height:1px;background:var(--line);margin:2em 0;}

/* 空态 */
.empty-state{text-align:center;padding:36px 10px;}
.empty-state i{font-size:40px;color:var(--brand-500);opacity:.7;}
.empty-state h2{
  margin:18px 0 10px;padding:0;font-size:1.4rem;font-weight:800;color:var(--ink-900);
}
.empty-state h2::before{display:none;}
.empty-state p{color:var(--text-2);max-width:520px;margin:0 auto 24px;font-size:16px;}

/* ---------- 侧栏 ---------- */
.article-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:88px;}
@media (max-width:1023px){.article-side{position:static;}}
.side-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:1.05rem;font-weight:800;color:var(--ink-900);margin-bottom:14px;}
.side-card--cta{
  background-image:var(--grad-deep);border-color:transparent;color:#fff;
  box-shadow:0 16px 40px rgba(23,16,42,.24);
}
.side-card--cta:hover{box-shadow:0 20px 48px rgba(74,33,168,.3);}
.side-card__tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.1em;
  color:var(--signal-400);margin-bottom:10px;
}
.side-card--cta h3{color:#fff;font-size:1.2rem;margin-bottom:10px;}
.side-card--cta p{color:rgba(255,255,255,.78);font-size:14.5px;line-height:1.8;margin-bottom:20px;}
.side-card--cta .btn--ghost{background:transparent;border-color:rgba(255,255,255,.45);color:#fff;}
.side-card--cta .btn--ghost:hover{background:rgba(255,255,255,.12);color:#fff;}
.side-list{display:flex;flex-direction:column;gap:14px;}
.side-list a{display:flex;gap:12px;align-items:center;}
.side-list img{
  width:64px;height:48px;object-fit:cover;border-radius:10px;flex:0 0 64px;background:#EFE9FC;
}
.side-list strong{display:block;font-size:14.5px;font-weight:700;color:var(--ink-900);line-height:1.45;}
.side-list em{display:block;font-style:normal;font-size:12.5px;color:var(--text-2);margin-top:3px;}
.side-list a:hover strong{color:var(--brand-500);}

/* ---------- 标签 + 翻页 ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line);}
.tag-row span{font-size:14px;color:var(--text-2);align-self:center;margin-right:6px;}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 16px;border-radius:999px;
  background:#F4F0FF;color:var(--brand-700);font-size:13.5px;font-weight:600;
  transition:background-color .2s ease,transform .2s ease;
}
.tag:hover{background:#EAE1FF;transform:translateY(-1px);color:var(--brand-700);}

.pager{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:28px;}
@media (max-width:639px){.pager{grid-template-columns:1fr;}}
.pager-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 24px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.pager-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:rgba(122,59,255,.4);}
.pager-card em{font-style:normal;font-size:12.5px;letter-spacing:.1em;color:var(--brand-500);font-weight:700;}
.pager-card strong{display:block;margin-top:8px;font-size:16px;font-weight:700;color:var(--ink-900);line-height:1.5;}
.pager-card p{font-size:14px;color:var(--text-2);margin-top:6px;}

/* ---------- 推荐 ---------- */
.related{padding:0 0 72px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;}
.section-head h2{
  position:relative;padding-left:18px;font-size:clamp(1.4rem,2.4vw,1.9rem);
  font-weight:800;color:var(--ink-900);line-height:1.3;letter-spacing:-.01em;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:6px;border-radius:6px;background:var(--grad-brand);
}
.section-head p{color:var(--text-2);font-size:15px;margin-top:8px;}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
@media (max-width:1023px){.card-grid{grid-template-columns:repeat(2,1fr);gap:20px;}}
@media (max-width:639px){.card-grid{grid-template-columns:1fr;}}
.post-card{
  position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.post-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-brand);
  transform:scaleX(0);transform-origin:left;transition:transform .3s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:rgba(122,59,255,.35);}
.post-card:hover::before{transform:scaleX(1);}
.post-card__media{overflow:hidden;background:#EFE9FC;}
.post-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease;}
.post-card:hover .post-card__media img{transform:scale(1.04);}
.post-card__body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-card__cat{
  align-self:flex-start;display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:999px;background:var(--brand-700);color:#fff;font-size:12px;font-weight:700;
}
.post-card__title{font-size:17px;font-weight:700;line-height:1.5;color:var(--ink-900);}
.post-card__title a{color:inherit;}
.post-card__title a:hover{color:var(--brand-500);}
.post-card__desc{
  font-size:14.5px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-2);
}
.post-card__foot i{margin-right:6px;}
.post-card__more{color:var(--brand-700);font-weight:700;}
.post-card__more i{transition:transform .2s ease;}
.post-card:hover .post-card__more i{transform:translateX(4px);}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 80px;}
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);padding:56px;
  background:var(--grad-deep);color:#fff;box-shadow:0 22px 54px rgba(23,16,42,.26);
  display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:40px;align-items:center;
}
.cta-card::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.22;
}
.cta-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(23,16,42,.82) 0%,rgba(58,29,110,.62) 100%);
}
.cta-card > *{position:relative;z-index:2;}
.cta-card h2{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:800;line-height:1.3;margin-bottom:14px;}
.cta-card p{color:rgba(255,255,255,.8);font-size:16px;line-height:1.85;margin-bottom:26px;}
.cta-facts{display:flex;flex-wrap:wrap;gap:12px;}
.fact-pill{
  display:inline-flex;align-items:center;gap:8px;height:38px;padding:0 16px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);font-size:14px;font-weight:600;
}
.fact-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--signal-400);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-card .btn--ghost{background:transparent;border-color:rgba(255,255,255,.5);color:#fff;}
.cta-card .btn--ghost:hover{background:rgba(255,255,255,.12);color:#fff;}
@media (max-width:1023px){
  .cta-card{grid-template-columns:1fr;padding:40px 32px;gap:26px;}
}
@media (max-width:639px){
  .cta-card{padding:32px 22px;border-radius:var(--r-md);}
}

.back-row{margin-top:32px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--grad-deep);color:rgba(255,255,255,.76);
  border-radius:28px 28px 0 0;padding:64px 0 0;margin-top:8px;
}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:16px;}
.site-footer .brand__mark{width:36px;height:36px;border-radius:12px;background:var(--grad-brand);color:#fff;display:grid;place-items:center;font-size:13px;font-weight:800;}
.site-footer p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.7);max-width:340px;}
.site-footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-links,.footer-contact{display:flex;flex-direction:column;gap:11px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14.5px;}
.footer-links a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.72);}
.footer-contact i{color:var(--signal-400);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:36px;padding:22px 0;border-top:1px solid rgba(255,255,255,.14);
  text-align:center;font-size:13.5px;color:rgba(255,255,255,.55);
}
@media (max-width:639px){
  .site-footer{padding-top:44px;border-radius:20px 20px 0 0;}
  .site-footer p{max-width:none;}
}

/* roulang page: category1 */
:root{
  --ink-900:#17102A;
  --brand-700:#4B21A8;
  --brand-500:#7A3BFF;
  --accent-500:#FF4D8D;
  --signal-400:#22E0C8;
  --bg-100:#F7F5FC;
  --card:#FFFFFF;
  --line:#E8E3F5;
  --text:#2A2340;
  --muted:#5B5470;
  --grad-brand:linear-gradient(135deg,#7A3BFF 0%,#FF4D8D 100%);
  --grad-deep:linear-gradient(160deg,#17102A 0%,#3A1D6E 100%);
  --grad-line:linear-gradient(90deg,rgba(122,59,255,0) 0%,rgba(122,59,255,.55) 45%,rgba(255,77,141,.55) 100%);
  --r-xs:12px;
  --r-sm:14px;
  --r-md:20px;
  --r-lg:28px;
  --sh-1:0 2px 8px rgba(23,16,42,.04);
  --sh-2:0 12px 32px rgba(23,16,42,.08);
  --sh-hover:0 18px 48px rgba(74,33,168,.14);
  --sp:8px;
  --maxw:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg-100);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand-700);text-decoration:none;transition:color .2s ease,text-decoration-color .2s ease;}
a:hover{color:var(--brand-500);text-decoration:underline;text-underline-offset:4px;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:3px solid var(--signal-400);outline-offset:2px;}
a:active,.btn:active{transform:scale(.98);}

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

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.site-header::after{
  content:"";
  display:block;
  height:1px;
  background:var(--grad-line);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:64px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:17px;
  letter-spacing:-.01em;
  color:var(--ink-900);
  white-space:nowrap;
}
.brand:hover{text-decoration:none;color:var(--ink-900);}
.brand__mark{
  width:32px;height:32px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:var(--grad-brand);
  color:#fff;font-size:13px;font-weight:800;letter-spacing:.02em;
  box-shadow:0 6px 16px rgba(122,59,255,.28);
  flex:none;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:8px;
}
.nav-links a{
  display:inline-block;
  padding:8px 14px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:var(--text);
  line-height:1.4;
  transition:background .2s ease,color .2s ease;
}
.nav-links a:hover{
  background:rgba(122,59,255,.08);
  color:var(--brand-500);
  text-decoration:none;
}
.nav-links a.is-active{
  color:var(--brand-700);
  font-weight:700;
  background:rgba(122,59,255,.10);
  box-shadow:inset 0 0 0 1px rgba(122,59,255,.22);
}
.header-right{
  display:flex;
  align-items:center;
  gap:12px;
}
.search-box{
  display:flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:999px;
  background:#fff;
  color:var(--muted);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{
  border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(34,224,200,.35);
}
.search-box i{font-size:13px;color:var(--brand-500);}
.search-box input{
  border:0;outline:0;background:transparent;
  font-size:14px;color:var(--text);width:112px;
}
.search-box input::placeholder{color:#9C95B3;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border:0;
  border-radius:999px;
  font-size:16px;
  font-weight:700;
  line-height:1;
  letter-spacing:.01em;
  transition:transform .2s ease,box-shadow .2s ease,background-position .3s ease,background-color .2s ease,color .2s ease;
  cursor:pointer;
}
.btn--primary{
  background-image:var(--grad-brand);
  background-size:140% 140%;
  background-position:0% 50%;
  color:#fff;
  box-shadow:0 10px 24px rgba(122,59,255,.30),inset 0 1px 0 rgba(255,255,255,.35);
}
.btn--primary:hover{
  background-position:80% 50%;
  transform:translateY(-2px);
  text-decoration:none;
  color:#fff;
  box-shadow:0 16px 34px rgba(255,77,141,.28),inset 0 1px 0 rgba(255,255,255,.4);
}
.btn--ghost{
  background:#fff;
  border:1.5px solid var(--brand-500);
  color:var(--ink-900);
}
.btn--ghost:hover{
  color:var(--brand-700);
  text-decoration:none;
  transform:translateY(-2px);
  box-shadow:0 12px 28px rgba(74,33,168,.14);
}
.btn--sm{height:40px;padding:0 20px;font-size:15px;}
.btn--xs{height:32px;padding:0 16px;font-size:13px;}
.btn--block{width:100%;}
.btn--onDark{
  background:#fff;
  color:var(--ink-900);
}
.btn--onDark:hover{color:var(--brand-700);text-decoration:none;transform:translateY(-2px);}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  color:var(--ink-900);
  font-size:17px;
  align-items:center;justify-content:center;
}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:80;
  background:rgba(23,16,42,.42);
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
}
.mobile-drawer.is-open{opacity:1;visibility:visible;}
.mobile-drawer__panel{
  position:absolute;
  top:0;right:0;
  width:min(320px,86vw);
  height:100%;
  background:#fff;
  padding:20px;
  display:flex;
  flex-direction:column;
  gap:18px;
  transform:translateX(100%);
  transition:transform .28s ease;
  overflow-y:auto;
}
.mobile-drawer.is-open .mobile-drawer__panel{transform:translateX(0);}
.mobile-drawer__head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink-900);font-size:16px;
}
.mobile-nav{display:flex;flex-direction:column;gap:6px;}
.mobile-nav a{
  padding:12px 14px;
  border-radius:var(--r-xs);
  color:var(--text);
  font-size:16px;
  font-weight:600;
  background:var(--bg-100);
}
.mobile-nav a.is-active{background:rgba(122,59,255,.12);color:var(--brand-700);}
.mobile-nav a:hover{text-decoration:none;color:var(--brand-500);}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px;}
.drawer-foot small{color:var(--muted);font-size:12px;line-height:1.7;}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  padding:96px 0 72px;
  background-image:var(--grad-deep);
  overflow:hidden;
  color:#fff;
}
.page-hero__bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  opacity:.34;
  filter:saturate(115%);
}
.page-hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(23,16,42,.78) 0%,rgba(58,29,110,.62) 60%,rgba(255,77,141,.28) 100%);
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  margin-bottom:26px;
  border-radius:999px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.22);
  font-size:13px;
  color:rgba(255,255,255,.86);
}
.breadcrumb a{color:rgba(255,255,255,.86);}
.breadcrumb a:hover{color:#fff;text-decoration:none;}
.breadcrumb .sep{opacity:.55;}
.breadcrumb .current{color:#fff;font-weight:700;}
.eyebrow{
  display:block;
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:rgba(122,59,255,.9);
  font-weight:700;
  margin-bottom:12px;
}
.page-hero .eyebrow{color:rgba(34,224,200,.95);}
.page-hero h1{
  font-size:clamp(1.9rem,4.2vw,3.1rem);
  line-height:1.18;
  font-weight:800;
  letter-spacing:-.01em;
  max-width:19em;
}
.page-hero p.lede{
  margin-top:18px;
  max-width:44em;
  font-size:17px;
  line-height:1.9;
  color:rgba(255,255,255,.84);
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:34px;
}
.stat-badge{
  display:flex;
  align-items:baseline;
  gap:8px;
  padding:12px 18px;
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.20);
  color:#fff;
  backdrop-filter:blur(4px);
}
.stat-badge .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--signal-400);
  box-shadow:0 0 0 4px rgba(34,224,200,.18);
  align-self:center;
  flex:none;
}
.stat-badge .num{
  font-size:24px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
  line-height:1;
}
.stat-badge .unit{font-size:12px;color:rgba(255,255,255,.75);}
.stat-badge .label{font-size:13px;color:rgba(255,255,255,.82);}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--alt{background:#fff;}
.section-head{margin-bottom:44px;max-width:52em;}
.section-head h2{
  position:relative;
  padding-left:18px;
  font-size:clamp(1.5rem,2.6vw,2.2rem);
  line-height:1.25;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--ink-900);
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:.28em;
  width:6px;height:28px;
  border-radius:3px;
  background:var(--grad-brand);
}
.section-head .sub{
  margin-top:14px;
  font-size:16px;
  color:var(--muted);
  max-width:40em;
}
.section-head--center{text-align:center;margin-left:auto;margin-right:auto;}
.section-head--center h2{padding-left:0;}
.section-head--center h2::before{display:none;}

/* 图文区 */
.split-figure{
  display:grid;
  grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);
  gap:48px;
  align-items:center;
}
.figure-card{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-2);
  background:#fff;
}
.figure-card img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
  transition:transform .5s ease;
}
.figure-card:hover img{transform:scale(1.04);}
.figure-card__tag{
  position:absolute;
  left:18px;top:18px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(75,33,168,.92);
  color:#fff;
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
}
.split-figure h3{
  font-size:22px;
  font-weight:700;
  color:var(--ink-900);
  margin-bottom:16px;
}
.split-figure p{
  color:var(--text);
  margin-bottom:1.2em;
}
.split-figure p:last-child{margin-bottom:0;}
.mini-list{display:grid;gap:12px;margin-top:22px;}
.mini-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15.5px;
  color:var(--text);
}
.mini-list i{
  color:var(--signal-400);
  font-size:15px;
  margin-top:6px;
  flex:none;
}

/* 要点卡组 */
.point-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
}
.point-card{
  position:relative;
  padding:28px 24px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  overflow:hidden;
}
.point-card::before{
  content:"";
  position:absolute;
  left:0;top:0;right:0;
  height:3px;
  background:var(--grad-brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .3s ease;
}
.point-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-hover);
  border-color:rgba(122,59,255,.35);
}
.point-card:hover::before{transform:scaleX(1);}
.point-card .idx{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;height:38px;
  border-radius:12px;
  background:rgba(122,59,255,.10);
  color:var(--brand-700);
  font-weight:800;
  font-size:15px;
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.point-card h3{
  font-size:19px;
  font-weight:700;
  color:var(--ink-900);
  margin-bottom:10px;
}
.point-card p{font-size:15px;color:var(--muted);line-height:1.85;}

/* 时间线 */
.timeline{position:relative;margin-top:8px;}
.timeline__phase{
  display:flex;
  align-items:center;
  gap:14px;
  margin:36px 0 22px;
}
.timeline__phase:first-child{margin-top:0;}
.timeline__phase .phase-name{
  padding:5px 16px;
  border-radius:999px;
  background:rgba(34,224,200,.14);
  color:#0E6B5E;
  font-size:13px;
  font-weight:800;
  letter-spacing:.04em;
  border:1px solid rgba(34,224,200,.36);
}
.timeline__phase .phase-line{
  flex:1;
  height:1px;
  background:var(--grad-line);
}
.timeline__items{
  position:relative;
  padding-left:26px;
}
.timeline__items::before{
  content:"";
  position:absolute;
  left:6px;top:6px;bottom:6px;
  width:2px;
  border-radius:2px;
  background:linear-gradient(180deg,#7A3BFF 0%,#FF4D8D 100%);
  opacity:.55;
}
.tl-item{
  position:relative;
  margin-bottom:20px;
  padding:22px 24px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.tl-item:last-child{margin-bottom:0;}
.tl-item::before{
  content:"";
  position:absolute;
  left:-27px;top:30px;
  width:14px;height:14px;
  border-radius:50%;
  background:var(--grad-brand);
  border:4px solid #fff;
  box-shadow:0 0 0 1px rgba(122,59,255,.35);
  transition:transform .25s ease;
}
.tl-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-hover);
  border-color:rgba(122,59,255,.35);
}
.tl-item:hover::before{transform:scale(1.25);}
.tl-item__top{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  margin-bottom:12px;
}
.time-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 14px;
  border-radius:999px;
  background:var(--ink-900);
  color:#fff;
  font-size:13px;
  font-weight:700;
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.tl-item h4{
  font-size:18px;
  font-weight:700;
  color:var(--ink-900);
  margin-bottom:8px;
}
.tl-item p{font-size:15px;color:var(--muted);line-height:1.85;}
.tl-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  margin-top:14px;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--muted);
}
.tl-meta span{display:inline-flex;align-items:center;gap:6px;}
.tl-meta i{color:var(--brand-500);font-size:12px;}

/* 徽章条 */
.badge-strip{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.metric-card{
  padding:26px 22px;
  border-radius:var(--r-md);
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.metric-card .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--signal-400);
  display:inline-block;
  margin-bottom:14px;
  box-shadow:0 0 0 4px rgba(34,224,200,.16);
}
.metric-card .num{
  font-size:34px;
  font-weight:800;
  line-height:1;
  color:var(--ink-900);
  font-variant-numeric:tabular-nums;
  letter-spacing:-.02em;
}
.metric-card .num small{
  font-size:14px;
  font-weight:600;
  color:var(--muted);
  margin-left:6px;
  letter-spacing:0;
}
.metric-card .cap{
  margin-top:10px;
  font-size:14px;
  color:var(--muted);
  line-height:1.7;
}

/* 推荐卡 */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.info-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.info-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-hover);
  border-color:rgba(122,59,255,.35);
}
.info-card__media{
  position:relative;
  overflow:hidden;
  background:linear-gradient(135deg,#EFEAFB,#F7F5FC);
}
.info-card__media img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform .5s ease;
}
.info-card:hover .info-card__media img{transform:scale(1.04);}
.info-card__badge{
  position:absolute;
  left:14px;top:14px;
  padding:5px 12px;
  border-radius:999px;
  background:rgba(75,33,168,.92);
  color:#fff;
  font-size:12px;
  font-weight:700;
  letter-spacing:.04em;
}
.info-card__body{
  padding:22px 22px 24px;
  display:flex;
  flex-direction:column;
  gap:10px;
  flex:1;
}
.info-card__body h3{
  font-size:18px;
  font-weight:700;
  color:var(--ink-900);
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.info-card__body h3 a{color:inherit;}
.info-card__body h3 a:hover{color:var(--brand-500);text-decoration:none;}
.info-card__body p{
  font-size:15px;
  color:var(--muted);
  line-height:1.85;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.info-card__foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:#8B84A3;
}
.info-card__foot .more{
  font-weight:700;
  color:var(--brand-700);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.info-card__foot .more:hover{color:var(--brand-500);text-decoration:none;gap:10px;transition:gap .2s ease;}

/* CTA 横幅 */
.cta-band{
  position:relative;
  border-radius:var(--r-lg);
  padding:56px;
  background-image:var(--grad-deep);
  overflow:hidden;
  color:#fff;
}
.cta-band__bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.28;
}
.cta-band::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(23,16,42,.82) 0%,rgba(58,29,110,.62) 55%,rgba(255,77,141,.30) 100%);
}
.cta-band__inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);
  gap:44px;
  align-items:center;
}
.cta-band h2{
  font-size:clamp(1.5rem,2.4vw,2rem);
  font-weight:800;
  line-height:1.3;
  letter-spacing:-.01em;
}
.cta-band p{
  margin-top:16px;
  color:rgba(255,255,255,.82);
  font-size:16px;
}
.cta-band__side{
  display:flex;
  flex-direction:column;
  gap:16px;
}
.cta-note{
  display:flex;
  align-items:center;
  gap:12px;
  padding:16px 18px;
  border-radius:var(--r-xs);
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.20);
  font-size:14px;
  color:rgba(255,255,255,.88);
}
.cta-note i{color:var(--signal-400);font-size:16px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* FAQ */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion{border:0;background:transparent;}
.accordion .accordion-item{
  border:1px solid var(--line);
  border-radius:var(--r-md);
  background:#fff;
  margin-bottom:16px;
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:box-shadow .25s ease,border-color .25s ease;
}
.accordion .accordion-item.is-active{
  border-color:rgba(122,59,255,.35);
  box-shadow:var(--sh-2);
}
.accordion .accordion-title{
  position:relative;
  display:block;
  padding:20px 56px 20px 22px;
  font-size:18px;
  font-weight:700;
  color:var(--ink-900);
  border:0;
  background:#fff;
  border-radius:0;
  line-height:1.6;
  transition:color .2s ease,background .2s ease;
}
.accordion .accordion-title::before{
  content:"+";
  position:absolute;
  right:22px;top:50%;
  transform:translateY(-50%);
  font-size:22px;
  font-weight:700;
  color:var(--brand-500);
  line-height:1;
  transition:transform .18s ease;
}
.accordion .accordion-item.is-active .accordion-title::before{
  content:"−";
  transform:translateY(-50%) rotate(180deg);
}
.accordion .accordion-item.is-active .accordion-title{
  color:var(--brand-700);
  box-shadow:inset 4px 0 0 0 var(--brand-500);
}
.accordion .accordion-title:hover{background:#FCFAFF;color:var(--brand-500);text-decoration:none;}
.accordion .accordion-content{
  padding:4px 22px 24px;
  border-top:1px solid var(--line);
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:#fff;
}
.accordion .accordion-content p{margin-bottom:1em;}
.accordion .accordion-content p:last-child{margin-bottom:0;}

/* 页脚 */
.site-footer{
  margin-top:96px;
  padding:64px 0 28px;
  background-image:var(--grad-deep);
  border-radius:28px 28px 0 0;
  color:rgba(255,255,255,.80);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:17px;
  font-weight:800;
  color:#fff;
  margin-bottom:16px;
}
.site-footer p{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.72);max-width:34em;}
.site-footer h4{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-links{display:grid;gap:10px;}
.footer-links a{color:rgba(255,255,255,.76);font-size:14.5px;}
.footer-links a:hover{color:var(--signal-400);text-decoration:none;}
.footer-contact{display:grid;gap:12px;}
.footer-contact li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:14.5px;
  color:rgba(255,255,255,.76);
  line-height:1.7;
}
.footer-contact i{color:var(--signal-400);font-size:13px;margin-top:6px;}
.footer-bottom{
  margin-top:40px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.16);
  text-align:center;
  font-size:13px;
  color:rgba(255,255,255,.60);
  line-height:1.8;
}

/* 响应式 */
@media (max-width:1023px){
  .nav-links,.search-box{display:none;}
  .nav-toggle{display:inline-flex;}
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .point-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .badge-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .split-figure{grid-template-columns:minmax(0,1fr);gap:32px;}
  .cta-band{padding:40px 32px;}
  .cta-band__inner{grid-template-columns:minmax(0,1fr);gap:28px;}
  .page-hero{padding:88px 0 60px;}
}
@media (max-width:639px){
  .container{padding:0 16px;}
  body{font-size:15.5px;}
  .header-inner{min-height:56px;}
  .brand{font-size:15.5px;}
  .brand__mark{width:28px;height:28px;font-size:12px;border-radius:9px;}
  .header-right .btn--primary{display:none;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .section-head{margin-bottom:32px;}
  .section-head h2::before{top:.22em;height:24px;}
  .page-hero{padding:72px 0 52px;}
  .page-hero h1{font-size:clamp(1.6rem,7vw,2.1rem);}
  .point-grid{grid-template-columns:minmax(0,1fr);gap:16px;}
  .badge-strip{grid-template-columns:minmax(0,1fr);gap:16px;}
  .card-grid{grid-template-columns:minmax(0,1fr);gap:16px;}
  .hero-actions .btn{width:100%;}
  .cta-band{padding:32px 20px;border-radius:var(--r-md);}
  .cta-actions .btn{width:100%;}
  .timeline__items{padding-left:22px;}
  .tl-item{padding:18px 18px;}
  .tl-item::before{left:-23px;top:26px;}
  .accordion .accordion-title{font-size:16.5px;padding:18px 48px 18px 18px;}
  .site-footer{margin-top:56px;padding:48px 0 24px;}
  .metric-card .num{font-size:28px;}
}

/* roulang page: category2 */
:root{
  --ink-900:#17102A;
  --ink-700:#3A1D6E;
  --brand-700:#4B21A8;
  --brand-500:#7A3BFF;
  --accent-500:#FF4D8D;
  --signal-400:#22E0C8;
  --signal-700:#0E8C7C;
  --bg-100:#F7F5FC;
  --card:#FFFFFF;
  --line:#E8E3F5;
  --text:#2A2340;
  --text-2:#5B5470;
  --grad-brand:linear-gradient(135deg,#7A3BFF 0%,#FF4D8D 100%);
  --grad-deep:linear-gradient(160deg,#17102A 0%,#3A1D6E 100%);
  --grad-signal:linear-gradient(135deg,#7A3BFF 0%,#22E0C8 100%);
  --r-sm:12px;
  --r-md:20px;
  --r-lg:28px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(23,16,42,.04);
  --sh-2:0 12px 32px rgba(23,16,42,.08);
  --sh-hover:0 18px 48px rgba(74,33,168,.14);
  --nav-h:64px;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg-100);
  color:var(--text);
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand-700);text-decoration:none;transition:color .2s,background-color .2s,border-color .2s,box-shadow .2s,transform .2s;}
a:hover{color:var(--brand-500);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4{margin:0 0 16px;color:var(--ink-900);letter-spacing:-.01em;}
p{margin:0 0 1.2em;}
ul,ol{margin:0;padding:0;}
:focus-visible{outline:3px solid var(--signal-400);outline-offset:2px;border-radius:8px;}
:focus:not(:focus-visible){outline:none;}

.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}
@media (min-width:1440px){.grid-container{max-width:1280px;}}
@media (max-width:639px){.grid-container{padding-left:16px;padding-right:16px;}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:background .25s,box-shadow .25s;
}
.site-header.is-scrolled{background:rgba(255,255,255,.96);box-shadow:0 10px 30px rgba(23,16,42,.07);}
.nav-shell{display:flex;align-items:center;justify-content:space-between;gap:24px;height:var(--nav-h);}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--ink-900);white-space:nowrap;}
.brand:hover{color:var(--ink-900);}
.brand__mark{
  width:32px;height:32px;border-radius:10px;flex:0 0 auto;
  background:var(--grad-brand);color:#fff;display:grid;place-items:center;
  font-size:12px;font-weight:800;letter-spacing:.04em;
  box-shadow:0 6px 16px rgba(122,59,255,.32);
}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  padding:8px 15px;border-radius:var(--r-pill);font-size:15px;font-weight:600;color:var(--text-2);
  transition:.22s;
}
.nav-links a:hover{color:var(--brand-700);background:#F1ECFF;}
.nav-links a.is-active{
  color:#fff;background:var(--grad-brand);
  box-shadow:0 8px 20px rgba(122,59,255,.28);
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.search-toggle{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:#fff;
  color:var(--brand-700);display:grid;place-items:center;cursor:pointer;transition:.22s;
}
.search-toggle:hover{background:#F1ECFF;border-color:var(--brand-500);}
.nav-search input{
  height:38px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;
  padding:0 18px;min-width:190px;font-size:14px;transition:.22s;
}
.nav-search input::placeholder{color:#9A93AE;}
.nav-search input:focus{
  border-color:var(--brand-500);outline:none;
  box-shadow:0 0 0 3px rgba(34,224,200,.4);
}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
  flex-direction:column;gap:4px;align-items:center;justify-content:center;cursor:pointer;transition:.22s;
}
.nav-toggle:hover{border-color:var(--brand-500);background:#F6F1FF;}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink-900);transition:.25s;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.mobile-drawer{
  position:fixed;left:0;right:0;top:var(--nav-h);bottom:0;z-index:80;
  background:#fff;padding:24px 20px 40px;
  display:flex;flex-direction:column;gap:6px;overflow-y:auto;
  transform:translateY(-14px);opacity:0;pointer-events:none;
  transition:transform .28s ease,opacity .28s ease;
}
.mobile-drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto;}
.mobile-drawer .drawer-search{margin-bottom:14px;}
.mobile-drawer .drawer-search input{
  width:100%;height:46px;border-radius:var(--r-sm);border:1px solid var(--line);
  padding:0 16px;background:#F8F6FF;
}
.mobile-drawer .drawer-search input:focus{border-color:var(--brand-500);outline:none;box-shadow:0 0 0 3px rgba(34,224,200,.4);}
.mobile-drawer nav{display:flex;flex-direction:column;gap:4px;}
.mobile-drawer nav a{
  padding:14px 16px;border-radius:var(--r-sm);font-size:16px;font-weight:600;
  color:var(--text);border:1px solid transparent;
}
.mobile-drawer nav a:hover,.mobile-drawer nav a.is-active{
  background:#F1ECFF;color:var(--brand-700);border-color:#E2D9FF;
}
.mobile-drawer .drawer-cta{margin-top:auto;padding-top:24px;}
.mobile-drawer .drawer-cta .btn{width:100%;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:none;border-radius:var(--r-pill);font-weight:700;cursor:pointer;white-space:nowrap;
  transition:transform .22s,box-shadow .22s,background-position .35s,color .2s,background-color .2s,border-color .2s;
}
.btn--primary{
  background:var(--grad-brand);background-size:160% 160%;color:#fff;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 10px 24px rgba(122,59,255,.28);
}
.btn--primary:hover{
  background-position:90% 50%;color:#fff;transform:translateY(-2px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35),0 16px 34px rgba(122,59,255,.36);
}
.btn--ghost{
  background:#fff;border:1.5px solid var(--brand-500);color:var(--ink-900);
}
.btn--ghost:hover{background:#F6F1FF;color:var(--brand-700);transform:translateY(-2px);}
.btn--outline-light{
  background:transparent;border:1.5px solid rgba(255,255,255,.6);color:#fff;
}
.btn--outline-light:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px);}
.btn--sm{height:40px;padding:0 20px;font-size:14px;}
.btn--md{height:48px;padding:0 28px;font-size:15px;}
.btn--lg{height:52px;padding:0 32px;font-size:16px;}
.btn:active{transform:scale(.98);}
.btn i{font-size:13px;}

/* ============ 分类页首屏 ============ */
.cat-hero{
  position:relative;overflow:hidden;color:#fff;
  background:var(--grad-deep);
  padding:64px 0 68px;
  min-height:320px;
  display:flex;align-items:center;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.5;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(23,16,42,.94) 0%,rgba(58,29,110,.72) 55%,rgba(23,16,42,.9) 100%);
}
.cat-hero .grid-container{position:relative;z-index:2;width:100%;}
.cat-hero__inner{max-width:840px;}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;color:rgba(122,59,255,.65);margin-bottom:14px;
}
.eyebrow--light{color:rgba(34,224,200,.85);}
.cat-hero h1{
  color:#fff;font-size:clamp(2rem,4.6vw,3.2rem);line-height:1.15;font-weight:800;letter-spacing:-.01em;
  margin-bottom:18px;
}
.cat-hero__sub{font-size:17px;color:rgba(255,255,255,.82);max-width:640px;margin-bottom:28px;}
.cat-hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.cat-hero__meta{
  display:flex;flex-wrap:wrap;gap:10px;
}
.meta-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);
  font-size:13.5px;font-weight:600;color:rgba(255,255,255,.9);
  font-variant-numeric:tabular-nums;
}
.meta-pill i{color:var(--signal-400);font-size:12px;}

/* ============ 面包屑 ============ */
.breadcrumb-bar{background:#F1ECFF;border-bottom:1px solid var(--line);}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  list-style:none;margin:0;padding:12px 0;font-size:13px;color:var(--text-2);
}
.crumbs a{color:var(--brand-700);font-weight:600;}
.crumbs a:hover{color:var(--brand-500);text-decoration:underline;text-underline-offset:3px;}
.crumbs .sep{color:#B7AEDA;}
.crumbs [aria-current="page"]{color:var(--text-2);font-weight:600;}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--plain{background:#fff;}
@media (max-width:1023px){.section{padding:72px 0;}.section--tight{padding:56px 0;}}
@media (max-width:639px){.section{padding:56px 0;}.section--tight{padding:44px 0;}}

.sec-head{display:flex;gap:14px;align-items:flex-start;margin-bottom:36px;}
.sec-head__bar{
  width:6px;height:28px;border-radius:3px;flex:0 0 auto;margin-top:7px;
  background:var(--grad-signal);
}
.sec-head h2{font-size:clamp(1.5rem,2.6vw,2.2rem);line-height:1.25;font-weight:800;margin-bottom:8px;}
.sec-head p{margin:0;color:var(--text-2);font-size:15.5px;max-width:760px;}
.sec-head--center{flex-direction:column;align-items:center;text-align:center;}
.sec-head--center .sec-head__bar{height:6px;width:56px;margin:0 0 4px;}

.lead{font-size:17px;color:var(--text-2);max-width:860px;margin-bottom:1.2em;}
.lead strong{color:var(--ink-900);}

/* ============ 大卡栅格 ============ */
.big-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
@media (max-width:1023px){.big-cards{grid-template-columns:1fr;gap:20px;}}
.big-card{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .26s,box-shadow .26s,border-color .26s;
}
.big-card::after{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:var(--grad-signal);transform:scaleX(0);transform-origin:left;
  transition:transform .32s ease;
}
.big-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:transparent;}
.big-card:hover::after{transform:scaleX(1);}
.big-card__media{
  position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;
  background:linear-gradient(135deg,#EDE7FF,#F7F5FC);
}
.big-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease;}
.big-card:hover .big-card__media img{transform:scale(1.04);}
.big-card__tag{
  position:absolute;left:16px;top:16px;
  background:rgba(75,33,168,.92);color:#fff;
  padding:6px 14px;border-radius:var(--r-pill);font-size:12px;font-weight:700;
  backdrop-filter:blur(4px);
}
.big-card__body{padding:24px 24px 26px;}
.big-card__title{font-size:22px;font-weight:800;line-height:1.35;margin-bottom:10px;}
.big-card__title a{color:var(--ink-900);}
.big-card__title a:hover{color:var(--brand-500);}
.big-card__desc{font-size:15px;color:var(--text-2);line-height:1.85;margin-bottom:18px;}
.big-card__meta{
  display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;
  border-top:1px solid var(--line);padding-top:16px;
  font-size:13px;color:var(--text-2);font-variant-numeric:tabular-nums;
}
.big-card__meta i{color:var(--signal-700);margin-right:6px;font-size:12px;}

/* ============ 数据徽章墙 ============ */
.badge-wall{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
@media (max-width:1023px){.badge-wall{grid-template-columns:repeat(2,1fr);gap:20px;}}
@media (max-width:639px){.badge-wall{grid-template-columns:1fr;gap:16px;}}
.stat{
  display:flex;align-items:center;gap:16px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .26s,box-shadow .26s,border-color .26s;
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#D9CDFF;}
.stat__dot{
  width:12px;height:12px;border-radius:50%;flex:0 0 auto;
  background:var(--signal-400);box-shadow:0 0 0 6px rgba(34,224,200,.16);
}
.stat__num{
  font-size:34px;font-weight:800;line-height:1;color:var(--ink-900);
  font-variant-numeric:tabular-nums;
}
.stat__unit{font-size:13px;font-weight:700;color:var(--text-2);margin-left:6px;}
.stat__label{font-size:14px;color:var(--text-2);margin-top:8px;}

/* ============ 图文分栏 ============ */
.split{display:grid;grid-template-columns:1.02fr 1fr;gap:48px;align-items:center;}
@media (max-width:1023px){.split{grid-template-columns:1fr;gap:32px;}}
.split__media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-2);background:linear-gradient(135deg,#EDE7FF,#F7F5FC);
}
.split__media img{width:100%;height:auto;transition:transform .55s ease;}
.split__media:hover img{transform:scale(1.04);}
.split__badge{
  position:absolute;left:20px;bottom:20px;
  background:rgba(23,16,42,.72);color:#fff;backdrop-filter:blur(6px);
  border-radius:14px;padding:12px 18px;font-size:13px;font-weight:600;
  border:1px solid rgba(255,255,255,.2);
}
.check-list{list-style:none;margin:0 0 28px;padding:0;display:grid;gap:14px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;line-height:1.85;}
.check-list i{
  width:24px;height:24px;border-radius:50%;flex:0 0 auto;margin-top:6px;
  background:rgba(34,224,200,.2);color:var(--signal-700);
  display:grid;place-items:center;font-size:11px;
}

/* ============ 推荐卡 ============ */
.rec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
@media (max-width:1023px){.rec-grid{grid-template-columns:repeat(2,1fr);gap:20px;}}
@media (max-width:639px){.rec-grid{grid-template-columns:1fr;gap:18px;}}
.rec-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .26s,box-shadow .26s,border-color .26s;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:transparent;}
.rec-card__media{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#EDE7FF,#F7F5FC);}
.rec-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.rec-card:hover .rec-card__media img{transform:scale(1.04);}
.rec-card__body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1;}
.rec-card__body h3{font-size:18px;line-height:1.45;margin-bottom:10px;}
.rec-card__body h3 a{color:var(--ink-900);}
.rec-card__body h3 a:hover{color:var(--brand-500);}
.rec-card__body p{font-size:14.5px;color:var(--text-2);line-height:1.8;margin-bottom:16px;}
.rec-card__foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  border-top:1px solid var(--line);padding-top:14px;font-size:12.5px;color:#8C86A0;
}
.rec-card__foot span{display:inline-flex;align-items:center;gap:6px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;color:var(--brand-700);
}
.text-link i{transition:transform .22s;}
.text-link:hover{color:var(--brand-500);}
.text-link:hover i{transform:translateX(4px);}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion{border:none;background:transparent;}
.accordion-item{
  position:relative;background:#fff;border:1px solid var(--line)!important;
  border-radius:var(--r-md)!important;margin-bottom:16px;overflow:hidden;
  box-shadow:var(--sh-1);transition:box-shadow .25s,border-color .25s;
}
.accordion-item:hover{box-shadow:var(--sh-2);}
.accordion-title{
  border:none!important;background:#fff;
  font-size:18px;font-weight:700;color:var(--ink-900);
  padding:20px 60px 20px 24px!important;
  transition:background .22s,color .22s;
}
.accordion-title:hover,.accordion-title:focus{background:#F8F6FF!important;color:var(--brand-700);}
.accordion-title::before{
  right:24px!important;font-size:22px;line-height:1;color:var(--brand-700);
  transition:transform .25s ease;
}
.accordion-content{
  border:none!important;padding:0 24px 22px 28px!important;
  color:var(--text-2);font-size:15.8px;line-height:1.9;background:#fff;
}
.accordion-item.is-active{border-color:transparent!important;box-shadow:var(--sh-hover);}
.accordion-item.is-active::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--grad-signal);z-index:2;
}
.accordion-item.is-active>.accordion-title{background:#F8F6FF!important;}

/* ============ CTA ============ */
.cta-band{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background:var(--grad-deep);color:#fff;padding:56px;
}
.cta-band__bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  opacity:.34;
}
.cta-band__veil{
  position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(23,16,42,.92),rgba(58,29,110,.66) 60%,rgba(23,16,42,.88));
}
.cta-band__inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.35fr 1fr;gap:40px;align-items:center;
}
@media (max-width:1023px){.cta-band{padding:40px 28px;}.cta-band__inner{grid-template-columns:1fr;gap:28px;}}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,2.4vw,2rem);margin-bottom:14px;}
.cta-band p{color:rgba(255,255,255,.82);font-size:15.5px;margin-bottom:0;max-width:560px;}
.cta-band__actions{display:flex;flex-direction:column;gap:14px;}
.cta-note{font-size:12.5px;color:rgba(255,255,255,.6);line-height:1.7;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:32px;padding:72px 0 0;
  background:var(--grad-deep);color:rgba(255,255,255,.78);
  border-radius:28px 28px 0 0;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:18px;font-weight:800;color:#fff;margin-bottom:16px;
}
.site-footer p{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.72);max-width:340px;}
.site-footer h4{color:#fff;font-size:16px;font-weight:700;margin:0 0 18px;}
.footer-links,.footer-contact{list-style:none;margin:0;padding:0;display:grid;gap:12px;font-size:14.5px;}
.footer-links a{color:rgba(255,255,255,.78);}
.footer-links a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.78);}
.footer-contact i{color:var(--signal-400);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:28px;padding:22px 0;text-align:center;font-size:13.5px;
  color:rgba(255,255,255,.58);border-top:1px solid rgba(255,255,255,.14);
}

/* ============ 移动端导航 ============ */
@media (max-width:1023px){
  :root{--nav-h:56px;}
  .nav-links{display:none;}
  .nav-search{display:none;}
  .nav-toggle{display:flex;}
  .nav-actions .btn{display:none;}
  .brand{font-size:16px;}
}
@media (max-width:479px){
  .cat-hero__actions{flex-direction:column;align-items:stretch;}
  .cat-hero__actions .btn{width:100%;}
  .stat__num{font-size:28px;}
}

/* roulang page: category3 */
:root{
  --ink-900:#17102A;
  --brand-700:#4B21A8;
  --brand-500:#7A3BFF;
  --accent-500:#FF4D8D;
  --signal-400:#22E0C8;
  --bg-100:#F7F5FC;
  --card:#FFFFFF;
  --line:#E8E3F5;
  --text:#2A2340;
  --muted:#5B5470;
  --grad-brand:linear-gradient(135deg,#7A3BFF 0%,#FF4D8D 100%);
  --grad-deep:linear-gradient(160deg,#17102A 0%,#3A1D6E 100%);
  --r-sm:12px;
  --r-md:20px;
  --r-lg:28px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(23,16,42,.04);
  --sh-2:0 12px 32px rgba(23,16,42,.08);
  --sh-3:0 18px 48px rgba(74,33,168,.14);
  --sp-sec:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg-100);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-700);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand-500);}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:3px solid var(--signal-400);
  outline-offset:2px;
  border-radius:6px;
}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--ink-900);letter-spacing:-.01em;}
p{margin:0 0 1.2em;}
ul,ol{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- Foundation 覆盖 ---------- */
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}
@media (min-width:1440px){.grid-container{max-width:1280px;}}
.grid-x{margin-left:-12px;margin-right:-12px;}
.grid-x>.cell{padding-left:12px;padding-right:12px;}
.accordion{border:0;background:transparent;margin:0;}
.accordion .accordion-item{border:0;background:transparent;}

/* ---------- 通用 ---------- */
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1440px){.container{max-width:1280px;}}
.section{padding:var(--sp-sec) 0;}
.section--tight{padding:72px 0;}
.eyebrow{
  display:inline-block;
  font-size:12px;
  letter-spacing:.12em;
  font-weight:700;
  color:rgba(122,59,255,.72);
  text-transform:uppercase;
  margin-bottom:14px;
}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head h2{
  font-size:clamp(1.5rem,2.6vw,2.2rem);
  line-height:1.25;
  font-weight:800;
  padding-left:18px;
  position:relative;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;
  width:6px;height:28px;
  border-radius:3px;
  background:var(--grad-brand);
}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;}
.accent-text{color:var(--accent-500);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 28px;
  border-radius:var(--r-pill);
  font-size:16px;
  font-weight:700;
  border:1.5px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,background-position .3s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn:active{transform:scale(.98);}
.btn-primary{
  color:#fff;
  background-image:var(--grad-brand);
  background-size:140% 140%;
  background-position:0% 50%;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.28),0 10px 24px rgba(122,59,255,.28);
}
.btn-primary:hover{
  color:#fff;
  background-position:24% 50%;
  transform:translateY(-2px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.3),0 16px 34px rgba(255,77,141,.3);
}
.btn-ghost{
  color:var(--ink-900);
  background:#fff;
  border-color:var(--brand-500);
}
.btn-ghost:hover{
  color:var(--brand-700);
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
}
.btn-sm{height:40px;padding:0 20px;font-size:15px;}
.btn-xs{height:32px;padding:0 16px;font-size:14px;font-weight:600;}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:700;
  color:var(--brand-700);
  font-size:15px;
}
.btn-text i{transition:transform .2s ease;}
.btn-text:hover i{transform:translateX(4px);}
.btn-block{width:100%;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  height:64px;
  background:rgba(23,16,42,.0);
  transition:background .3s ease,box-shadow .3s ease,backdrop-filter .3s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  box-shadow:0 1px 0 var(--line),0 10px 30px rgba(23,16,42,.06);
}
.nav-inner{
  height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:17px;
  color:#fff;
  letter-spacing:.01em;
  transition:color .3s ease;
}
.brand:hover{color:#fff;}
.brand__mark{
  width:34px;height:34px;
  border-radius:11px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  font-weight:800;
  color:#fff;
  background-image:var(--grad-brand);
  box-shadow:0 6px 16px rgba(122,59,255,.4);
  flex:0 0 auto;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-links a{
  position:relative;
  padding:8px 14px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  color:rgba(255,255,255,.82);
  transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.12);}
.nav-links a.is-active{
  color:#fff;
  background:rgba(255,255,255,.16);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:12px;
}
.nav-search{
  width:40px;height:40px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.3);
  background:transparent;
  color:#fff;
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.nav-search:hover{background:rgba(255,255,255,.14);}
.nav-toggle{
  display:none;
  width:40px;height:40px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.3);
  background:transparent;
  padding:0;
  position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  position:absolute;
  left:50%;
  width:18px;height:2px;
  background:#fff;
  border-radius:2px;
  transform:translateX(-50%);
  transition:transform .25s ease,opacity .2s ease;
}
.nav-toggle span{top:19px;}
.nav-toggle span::before{content:"";top:-6px;left:0;transform:none;}
.nav-toggle span::after{content:"";top:6px;left:0;transform:none;}

.site-header.is-scrolled .brand,
.site-header.is-scrolled .nav-links a,
.site-header.is-scrolled .nav-search,
.site-header.is-scrolled .nav-toggle span,
.site-header.is-scrolled .nav-toggle span::before,
.site-header.is-scrolled .nav-toggle span::after{color:var(--ink-900);}
.site-header.is-scrolled .nav-toggle span,
.site-header.is-scrolled .nav-toggle span::before,
.site-header.is-scrolled .nav-toggle span::after{background:var(--ink-900);}
.site-header.is-scrolled .nav-links a:hover{color:var(--brand-700);background:rgba(122,59,255,.1);}
.site-header.is-scrolled .nav-links a.is-active{color:var(--brand-700);background:rgba(122,59,255,.12);}
.site-header.is-scrolled .nav-search{border-color:var(--line);}
.site-header.is-scrolled .nav-toggle{border-color:var(--line);}

.nav-drawer{
  position:fixed;
  inset:0;
  z-index:80;
  background:rgba(23,16,42,.98);
  padding:24px;
  display:none;
  flex-direction:column;
  gap:8px;
  overflow-y:auto;
}
.nav-drawer.is-open{display:flex;}
.nav-drawer .drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  margin-bottom:18px;
}
.drawer-search{
  display:flex;
  align-items:center;
  gap:10px;
  height:48px;
  padding:0 16px;
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  color:#fff;
  margin-bottom:12px;
}
.drawer-search input{
  flex:1;
  border:0;
  background:transparent;
  color:#fff;
  font-size:15px;
  outline:none;
  height:100%;
}
.drawer-search input::placeholder{color:rgba(255,255,255,.5);}
.nav-drawer a.drawer-link{
  padding:15px 12px;
  border-radius:14px;
  color:#fff;
  font-size:17px;
  font-weight:700;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav-drawer a.drawer-link.is-active{background:rgba(122,59,255,.28);}
.nav-drawer .drawer-cta{margin-top:auto;padding-top:24px;}
.drawer-close{
  width:40px;height:40px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.1);
  border:0;color:#fff;font-size:18px;
  display:inline-flex;align-items:center;justify-content:center;
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  margin-top:-64px;
  padding:152px 0 72px;
  overflow:hidden;
  background-image:var(--grad-deep);
  color:#fff;
}
.hero__bg{
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:.5;
  filter:saturate(1.05);
}
.hero__mask{
  position:absolute;
  inset:0;
  background:linear-gradient(160deg,rgba(23,16,42,.86) 0%,rgba(58,29,110,.7) 60%,rgba(23,16,42,.9) 100%);
}
.hero__inner{position:relative;z-index:2;}
.breadcrumb{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 18px;
  border-radius:var(--r-pill);
  background:rgba(122,59,255,.22);
  border:1px solid rgba(255,255,255,.16);
  font-size:13px;
  color:rgba(255,255,255,.82);
  margin-bottom:22px;
}
.breadcrumb a{color:rgba(255,255,255,.82);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:var(--signal-400);font-weight:700;}
.hero h1{
  color:#fff;
  font-size:clamp(2rem,4.6vw,3.6rem);
  line-height:1.15;
  font-weight:800;
  letter-spacing:-.01em;
  max-width:900px;
}
.hero h1 .hl{
  background:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero__sub{
  margin-top:20px;
  max-width:640px;
  font-size:17px;
  line-height:1.9;
  color:rgba(255,255,255,.82);
}
.hero__actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:32px;
}
.hero__badges{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  margin-top:44px;
}
.stat-badge{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:12px 20px;
  border-radius:14px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.2);
  backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
  transition:transform .25s ease,border-color .25s ease;
}
.stat-badge:hover{transform:translateY(-3px);border-color:rgba(34,224,200,.6);}
.stat-badge .dot{
  width:8px;height:8px;border-radius:50%;
  background:var(--signal-400);
  box-shadow:0 0 0 4px rgba(34,224,200,.18);
  flex:0 0 auto;
}
.stat-badge .dot--accent{background:var(--accent-500);box-shadow:0 0 0 4px rgba(255,77,141,.18);}
.stat-badge .val{
  font-size:24px;
  font-weight:800;
  color:#fff;
  line-height:1;
}
.stat-badge .unit{font-size:12px;color:rgba(255,255,255,.7);}

/* ---------- 介绍区 ---------- */
.intro-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:40px;
  align-items:start;
}
.prose p{font-size:16.5px;line-height:1.95;color:var(--text);}
.aside-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:28px;
  box-shadow:var(--sh-1);
}
.aside-card h3{font-size:20px;font-weight:800;margin-bottom:16px;}
.aside-list li{
  display:flex;
  gap:12px;
  padding:14px 0;
  border-bottom:1px dashed var(--line);
  font-size:15px;
  color:var(--muted);
  line-height:1.8;
}
.aside-list li:last-child{border-bottom:0;padding-bottom:0;}
.aside-list i{color:var(--signal-400);margin-top:6px;flex:0 0 auto;}
.aside-list strong{color:var(--ink-900);display:block;font-weight:700;margin-bottom:2px;font-size:15.5px;}

/* ---------- 横向滚动卡片 ---------- */
.rail-wrap{position:relative;}
.rail{
  display:flex;
  gap:24px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:6px 6px 22px;
  margin:0 -6px;
  -webkit-overflow-scrolling:touch;
}
.rail::-webkit-scrollbar{height:8px;}
.rail::-webkit-scrollbar-track{background:var(--line);border-radius:99px;}
.rail::-webkit-scrollbar-thumb{background:var(--brand-500);border-radius:99px;}
.rail-card{
  flex:0 0 320px;
  scroll-snap-align:start;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .28s ease,box-shadow .28s ease;
  position:relative;
}
.rail-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:var(--grad-brand);
  opacity:0;
  transition:opacity .28s ease;
  z-index:3;
}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.rail-card:hover::before{opacity:1;}
.rail-card__media{
  aspect-ratio:16/9;
  overflow:hidden;
  background:linear-gradient(135deg,#EFE9FB,#E2D8F8);
}
.rail-card__media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .45s ease;
}
.rail-card:hover .rail-card__media img{transform:scale(1.04);}
.rail-card__body{padding:20px 22px 24px;}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:700;
  background:rgba(122,59,255,.12);
  color:var(--brand-700);
  margin-bottom:12px;
}
.tag--accent{background:rgba(255,77,141,.12);color:#D62C6B;}
.tag--signal{background:rgba(34,224,200,.16);color:#0E8C7E;}
.rail-card h3{font-size:19px;font-weight:800;line-height:1.5;margin-bottom:8px;}
.rail-card p{font-size:14.5px;color:var(--muted);line-height:1.85;margin:0 0 14px;}
.rail-card .meta{
  font-size:13px;
  color:#8A83A0;
  display:flex;
  align-items:center;
  gap:6px;
}
.rail-hint{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-top:4px;
}

/* ---------- 数据条 ---------- */
.data-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  margin-bottom:48px;
}
.data-strip .item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px 24px;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.data-strip .item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.data-strip .val{
  font-size:34px;
  font-weight:800;
  line-height:1.1;
  color:var(--ink-900);
}
.data-strip .val small{font-size:14px;font-weight:700;color:var(--muted);margin-left:4px;}
.data-strip .lbl{font-size:13.5px;color:var(--muted);margin-top:6px;}

/* ---------- 票种对比 ---------- */
.plan-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  align-items:start;
}
.plan-card{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:32px 28px;
  box-shadow:var(--sh-1);
  transition:transform .28s ease,box-shadow .28s ease,border-color .25s ease;
}
.plan-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.plan-card.is-featured{
  border:1.5px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad-brand);
  background-origin:border-box;
  background-clip:padding-box,border-box;
  transform:translateY(-12px);
  box-shadow:0 24px 56px rgba(255,77,141,.18);
}
.plan-card.is-featured:hover{transform:translateY(-16px);}
.plan-flag{
  position:absolute;
  top:-13px;
  right:22px;
  padding:5px 14px;
  border-radius:var(--r-pill);
  background:var(--accent-500);
  color:#fff;
  font-size:12px;
  font-weight:700;
  letter-spacing:.04em;
  box-shadow:0 8px 18px rgba(255,77,141,.35);
}
.plan-card h3{font-size:22px;font-weight:800;margin-bottom:6px;}
.plan-card .plan-for{font-size:14px;color:var(--muted);margin-bottom:20px;}
.plan-price{
  display:flex;
  align-items:baseline;
  gap:6px;
  padding-bottom:20px;
  border-bottom:1px solid var(--line);
  margin-bottom:20px;
}
.plan-price .amount{font-size:36px;font-weight:800;color:var(--ink-900);line-height:1;}
.plan-price .cur{font-size:15px;font-weight:700;color:var(--muted);}
.plan-price .note{font-size:13px;color:#8A83A0;margin-left:auto;}
.plan-feats li{
  display:flex;
  gap:10px;
  font-size:15px;
  line-height:1.8;
  color:var(--text);
  padding:9px 0;
  border-bottom:1px solid #F2EFFA;
}
.plan-feats li:last-child{border-bottom:0;}
.plan-feats i{color:var(--signal-400);margin-top:6px;flex:0 0 auto;font-size:13px;}
.plan-feats li.muted-row{color:#9A93AE;}
.plan-feats li.muted-row i{color:#CFC8E2;}
.plan-card .btn{margin-top:24px;}
.compare-note{
  margin-top:28px;
  font-size:14px;
  color:var(--muted);
  background:#fff;
  border:1px dashed var(--line);
  border-radius:14px;
  padding:16px 20px;
  display:flex;
  gap:10px;
  align-items:flex-start;
}
.compare-note i{color:var(--accent-500);margin-top:6px;}

/* ---------- 时间线 ---------- */
.timeline{
  position:relative;
  max-width:820px;
  margin:0 auto;
  padding-left:38px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:9px;top:8px;bottom:8px;
  width:2px;
  background:var(--grad-brand);
  border-radius:2px;
}
.tl-item{position:relative;padding:0 0 34px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;
  left:-38px;top:6px;
  width:14px;height:14px;
  border-radius:50%;
  background:var(--brand-500);
  box-shadow:0 0 0 4px #fff,0 0 0 5px var(--line);
  transition:transform .25s ease;
}
.tl-item:hover .tl-dot{transform:scale(1.28);}
.tl-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px 26px;
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.tl-item:hover .tl-card{transform:translateY(-3px);box-shadow:var(--sh-2);}
.tl-card h3{font-size:19px;font-weight:800;margin-bottom:8px;}
.tl-card p{font-size:15px;color:var(--muted);margin:0;line-height:1.85;}
.tl-step{
  display:inline-block;
  padding:4px 12px;
  border-radius:var(--r-pill);
  background:rgba(255,77,141,.12);
  color:#D62C6B;
  font-size:12px;
  font-weight:800;
  letter-spacing:.06em;
  margin-bottom:12px;
}

/* ---------- 推荐卡 ---------- */
.pick-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.pick-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .28s ease,box-shadow .28s ease;
  display:flex;
  flex-direction:column;
}
.pick-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);}
.pick-card__media{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#EFE9FB,#E2D8F8);}
.pick-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.pick-card:hover .pick-card__media img{transform:scale(1.04);}
.pick-card__body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1;}
.pick-card__body h3{font-size:19px;font-weight:800;line-height:1.5;margin-bottom:10px;}
.pick-card__body p{font-size:14.8px;color:var(--muted);line-height:1.85;margin:0 0 18px;}
.pick-card__body .btn-text{margin-top:auto;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-accordion .accordion-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-accordion .accordion-item.is-active{
  border-color:rgba(122,59,255,.35);
  box-shadow:var(--sh-2);
}
.faq-accordion .accordion-title{
  position:relative;
  display:block;
  padding:22px 60px 22px 24px;
  font-size:18px;
  font-weight:700;
  color:var(--ink-900);
  border:0;
  background:transparent;
  line-height:1.6;
  transition:background .2s ease,color .2s ease;
}
.faq-accordion .accordion-title:hover{background:rgba(122,59,255,.04);color:var(--brand-700);}
.faq-accordion .accordion-title::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%) scaleY(0);
  width:4px;height:32px;
  border-radius:0 4px 4px 0;
  background:var(--grad-brand);
  transition:transform .25s ease;
}
.faq-accordion .accordion-item.is-active .accordion-title::before{transform:translateY(-50%) scaleY(1);}
.faq-accordion .accordion-title::after{
  content:"\f067";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  position:absolute;
  right:24px;top:50%;
  transform:translateY(-50%);
  font-size:14px;
  color:var(--brand-500);
  transition:transform .18s ease,color .18s ease;
}
.faq-accordion .accordion-item.is-active .accordion-title::after{
  content:"\f068";
  transform:translateY(-50%) rotate(180deg);
  color:var(--accent-500);
}
.faq-accordion .accordion-content{
  padding:0 24px 24px;
  border:0;
  background:transparent;
  font-size:16px;
  line-height:1.9;
  color:var(--muted);
}
.faq-accordion .accordion-content p:last-child{margin-bottom:0;}

/* ---------- CTA / 表单 ---------- */
.cta-panel{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  background-image:var(--grad-deep);
  color:#fff;
  padding:56px 56px 60px;
  box-shadow:0 30px 70px rgba(23,16,42,.3);
}
.cta-panel__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:screen;
}
.cta-panel__inner{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:48px;
}
.cta-panel h2{
  color:#fff;
  font-size:clamp(1.6rem,2.6vw,2.2rem);
  line-height:1.3;
  font-weight:800;
  margin-bottom:16px;
}
.cta-panel p{color:rgba(255,255,255,.78);font-size:16px;line-height:1.9;}
.cta-points{margin-top:24px;}
.cta-points li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:15.3px;
  color:rgba(255,255,255,.86);
  padding:7px 0;
}
.cta-points i{color:var(--signal-400);margin-top:6px;}
.signup-form{
  background:rgba(255,255,255,.97);
  border-radius:var(--r-md);
  padding:28px;
  box-shadow:0 18px 44px rgba(0,0,0,.22);
}
.form-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13.5px;font-weight:700;color:var(--ink-900);}
.field input,
.field select,
.field textarea{
  height:48px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:#fff;
  padding:0 14px;
  font-size:15px;
  color:var(--text);
  font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease;
  width:100%;
}
.field textarea{height:96px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field select{appearance:none;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%235B5470' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;}
.field input:focus,
.field select:focus,
.field textarea:focus{
  border-color:var(--brand-500);
  box-shadow:0 0 0 3px rgba(34,224,200,.32);
  outline:none;
}
.radio-row{display:flex;gap:10px;flex-wrap:wrap;}
.radio-chip{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 16px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  font-size:14px;
  font-weight:600;
  color:var(--muted);
  cursor:pointer;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.radio-chip input{position:absolute;opacity:0;pointer-events:none;}
.radio-chip:hover{border-color:var(--brand-500);color:var(--brand-700);}
.radio-chip input:checked + span{color:#fff;}
.radio-chip:has(input:checked){
  background-image:var(--grad-brand);
  border-color:transparent;
  color:#fff;
}
.radio-chip:has(input:focus-visible){outline:3px solid var(--signal-400);outline-offset:2px;}
.form-actions{grid-column:1 / -1;margin-top:6px;}
.form-tip{
  grid-column:1 / -1;
  font-size:12.5px;
  color:#8A83A0;
  line-height:1.7;
  margin:0;
}
.form-tip a{color:var(--brand-700);}
.form-msg{
  grid-column:1 / -1;
  display:none;
  border-radius:var(--r-sm);
  padding:12px 16px;
  font-size:14.5px;
  font-weight:600;
}
.form-msg.is-ok{
  display:block;
  background:rgba(34,224,200,.14);
  border:1px solid rgba(34,224,200,.5);
  color:#0E8C7E;
}
.form-msg.is-err{
  display:block;
  background:rgba(255,77,141,.1);
  border:1px solid rgba(255,77,141,.45);
  color:#C62563;
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  background-image:var(--grad-deep);
  border-radius:28px 28px 0 0;
  color:#fff;
  padding:72px 0 0;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  color:#fff;
  margin-bottom:16px;
}
.site-footer p{color:rgba(255,255,255,.68);font-size:14.8px;line-height:1.9;max-width:360px;}
.site-footer h4{color:#fff;font-size:16px;font-weight:800;margin-bottom:16px;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:rgba(255,255,255,.72);font-size:14.5px;transition:color .2s ease,padding-left .2s ease;}
.footer-links a:hover{color:var(--signal-400);padding-left:4px;}
.footer-contact li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  color:rgba(255,255,255,.72);
  font-size:14.5px;
  margin-bottom:12px;
  line-height:1.75;
}
.footer-contact i{color:var(--signal-400);margin-top:6px;flex:0 0 auto;}
.footer-bottom{
  margin-top:44px;
  padding:22px 0;
  border-top:1px solid rgba(255,255,255,.12);
  text-align:center;
  font-size:13.5px;
  color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  :root{--sp-sec:72px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-search{display:none;}
  .nav-actions{margin-left:auto;}
  .intro-grid{grid-template-columns:1fr;gap:28px;}
  .plan-grid{grid-template-columns:1fr;gap:22px;}
  .plan-card.is-featured{transform:none;}
  .plan-card.is-featured:hover{transform:translateY(-4px);}
  .pick-grid{grid-template-columns:1fr 1fr;gap:20px;}
  .data-strip{grid-template-columns:1fr 1fr;gap:16px;}
  .cta-panel{padding:44px 32px 48px;}
  .cta-panel__inner{grid-template-columns:1fr;gap:32px;}
  .rail-card{flex:0 0 300px;}
}
@media (max-width:767px){
  :root{--sp-sec:56px;}
  .container{padding:0 16px;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .hero{padding:132px 0 56px;}
  .hero__sub{font-size:16px;}
  .hero__actions .btn{flex:1 1 auto;}
  .hero__badges{gap:10px;}
  .stat-badge{padding:10px 16px;}
  .stat-badge .val{font-size:20px;}
  .section-head{margin-bottom:32px;}
  .rail-card{flex:0 0 84%;}
  .pick-grid{grid-template-columns:1fr;}
  .data-strip{grid-template-columns:1fr 1fr;}
  .data-strip .val{font-size:26px;}
  .timeline{padding-left:30px;}
  .tl-dot{left:-30px;}
  .faq-accordion .accordion-title{font-size:16.5px;padding:18px 52px 18px 18px;}
  .faq-accordion .accordion-content{padding:0 18px 20px;}
  .cta-panel{padding:32px 20px 36px;border-radius:22px;}
  .signup-form{padding:20px;}
  .form-grid{grid-template-columns:1fr;}
  .site-footer{margin-top:64px;padding-top:56px;border-radius:22px 22px 0 0;}
  .plan-price .amount{font-size:30px;}
}
@media (max-width:519px){
  .hero h1{font-size:1.85rem;}
  .data-strip{grid-template-columns:1fr;gap:12px;}
  .btn{height:46px;padding:0 22px;font-size:15.5px;}
}