/* roulang page: index */
:root{
  --bg-dark:#0B0716;
  --bg-dark-2:#150B29;
  --dark-text:#F2EEFF;
  --dark-muted:#A79FC4;
  --primary:#21E6A6;
  --magenta:#FF3D8B;
  --violet:#7B4BFF;
  --gold:#FFC24B;
  --bg-light:#F7F5FC;
  --card:#FFFFFF;
  --text:#1B1630;
  --muted:#5B5473;
  --border:#ECE7F8;
  --grad:linear-gradient(120deg,#7B4BFF 0%,#FF3D8B 55%,#21E6A6 100%);
  --r-sm:10px;
  --r-card:20px;
  --r-hero:28px;
  --r-pill:999px;
  --sh-1:0 6px 18px rgba(27,22,48,.06);
  --sh-2:0 14px 34px rgba(123,75,255,.18);
  --sh-dark:0 0 0 1px rgba(255,255,255,.08),0 10px 30px rgba(0,0,0,.45);
  --ff:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --bs-primary:#21E6A6;
  --bs-body-bg:#F7F5FC;
  --bs-body-color:#1B1630;
  --bs-border-color:#ECE7F8;
  --bs-link-color:#1B1630;
  --bs-link-hover-color:#7B4BFF;
  --bs-font-sans-serif:var(--ff);
  --bs-body-font-family:var(--ff);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--ff);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg-light);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s ease-out}
a:hover{color:var(--violet)}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.32;letter-spacing:.2px}
p{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{max-width:1200px;padding-left:20px;padding-right:20px;margin:0 auto}
@media (min-width:1200px){.container{max-width:1200px}}
@media (min-width:1440px){.container{max-width:1280px}}
@media (max-width:575px){.container{padding-left:16px;padding-right:16px}}

/* ---------- 按钮 ---------- */
.btn{font-weight:600;border-radius:12px;padding:12px 26px;border:0;font-size:15px;transition:transform .22s ease-out,box-shadow .22s ease-out,background .22s ease-out,color .22s ease-out}
.btn:focus,.btn:active:focus{box-shadow:none}
.btn-neon{position:relative;overflow:hidden;background:var(--grad);color:#0B0716}
.btn-neon::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.5),transparent);transform:translateX(-110%);transition:transform .3s ease-out}
.btn-neon:hover{color:#0B0716;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-neon:hover::after{transform:translateX(110%)}
.btn-outline-neon{background:transparent;color:var(--dark-text);box-shadow:inset 0 0 0 1px rgba(33,230,166,.55)}
.btn-outline-neon:hover{color:#0B0716;background:var(--primary);transform:translateY(-2px)}
.btn-line{background:#fff;color:var(--text);box-shadow:inset 0 0 0 1px var(--border)}
.btn-line:hover{color:var(--violet);box-shadow:inset 0 0 0 1px rgba(123,75,255,.45);transform:translateY(-2px)}
.btn-block{width:100%}

/* ---------- 顶栏 ---------- */
.site-nav{
  position:sticky;top:0;z-index:1030;
  background:#0B0716;
  min-height:68px;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.site-nav::after{content:"";display:block;height:1px;background:var(--grad);opacity:.9}
.site-nav .container{display:flex;align-items:center;gap:18px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;padding:0;color:var(--dark-text)}
.brand:hover{color:#fff}
.brand-mark{
  width:32px;height:32px;border-radius:10px;flex:0 0 32px;
  background:var(--grad);color:#0B0716;
  font-size:13px;font-weight:800;letter-spacing:.5px;
  display:flex;align-items:center;justify-content:center;
}
.brand-text{font-size:17px;font-weight:700;color:var(--dark-text);letter-spacing:.3px}
.brand-sub{font-size:12px;color:var(--dark-muted);margin-left:2px}
.nav-toggle{
  margin-left:auto;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  display:none;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--dark-text);border-radius:2px}
.nav-menu{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-menu a{font-size:15px;font-weight:500;color:#E7E2FA;position:relative;padding:6px 0}
.nav-menu a::after{content:"";position:absolute;left:0;bottom:-4px;height:2px;width:0;background:var(--grad);border-radius:2px;transition:width .24s ease-out}
.nav-menu a:hover{color:#fff}
.nav-menu a:hover::after{width:100%}
.nav-menu a.active{color:#fff;text-shadow:0 0 6px rgba(33,230,166,.5)}
.nav-menu a.active::after{width:100%}
.nav-cta{margin-left:8px;padding:11px 22px;font-size:14px;border-radius:var(--r-pill);background:var(--grad);color:#0B0716;font-weight:700}
.nav-cta:hover{color:#0B0716;transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,61,139,.28)}
@media (max-width:991px){
  .nav-toggle{display:flex}
  .nav-menu{
    display:none;position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;
    background:#0B0716;border-top:1px solid rgba(255,255,255,.08);
    padding:8px 20px 20px;box-shadow:0 24px 40px rgba(0,0,0,.5);
  }
  .nav-menu.open{display:flex}
  .nav-menu a{min-height:48px;display:flex;align-items:center;font-size:16px;border-bottom:1px solid rgba(255,255,255,.06);padding-left:14px}
  .nav-menu a::after{display:none}
  .nav-menu a.active{box-shadow:inset 3px 0 0 var(--primary)}
  .nav-cta{margin:14px 0 0;justify-content:center;min-height:48px;display:flex;align-items:center}
}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;background:var(--bg-dark);color:var(--dark-text);
  padding:56px 0 72px;min-height:78vh;display:flex;align-items:center;
}
.hero::before{content:"";position:absolute;width:780px;height:780px;left:-220px;top:-260px;border-radius:50%;
  background:radial-gradient(circle,rgba(123,75,255,.34),transparent 65%);animation:drift1 20s ease-in-out infinite}
.hero::after{content:"";position:absolute;width:660px;height:660px;right:-200px;bottom:-280px;border-radius:50%;
  background:radial-gradient(circle,rgba(33,230,166,.20),transparent 65%);animation:drift2 24s ease-in-out infinite}
@keyframes drift1{0%,100%{transform:translate(0,0)}50%{transform:translate(60px,40px)}}
@keyframes drift2{0%,100%{transform:translate(0,0)}50%{transform:translate(-50px,-40px)}}
.hero .container{position:relative;z-index:1}
.hero-cover{position:relative;border-radius:var(--r-hero);overflow:hidden;box-shadow:var(--sh-dark)}
.hero-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--r-hero)}
.hero-cover::after{content:"";position:absolute;inset:0;border-radius:var(--r-hero);box-shadow:inset 0 0 0 1px rgba(255,255,255,.12);pointer-events:none}
.live-badge{
  position:absolute;top:14px;right:14px;z-index:2;
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(11,7,22,.78);color:#fff;font-size:12px;font-weight:700;letter-spacing:.5px;
  box-shadow:inset 0 0 0 1px rgba(255,61,139,.6);
}
.live-badge i{width:7px;height:7px;border-radius:50%;background:var(--magenta);box-shadow:0 0 8px var(--magenta);display:block}
.hero h1{font-size:clamp(30px,4.6vw,52px);font-weight:800;margin-top:26px;color:#fff;letter-spacing:.4px}
.hero .hero-sub{margin-top:14px;font-size:17px;color:var(--dark-muted);max-width:640px}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.07);box-shadow:inset 0 0 0 1px rgba(255,255,255,.1);
  font-size:13px;color:var(--dark-muted);
}
.hero-badge b{color:var(--gold);font-weight:800;font-variant-numeric:tabular-nums}
.hero-badge.b2 b{color:var(--primary)}

.count-panel{
  background:var(--bg-dark-2);border-radius:var(--r-card);padding:26px 24px;
  box-shadow:var(--sh-dark);margin-bottom:18px;
}
.count-label{font-size:13px;color:var(--dark-muted);letter-spacing:1px;margin-bottom:14px}
.countdown{display:grid;grid-template-columns:repeat(4,1fr);border-radius:14px;background:rgba(255,255,255,.04);overflow:hidden}
.count-cell{padding:14px 6px;text-align:center;position:relative}
.count-cell + .count-cell{box-shadow:inset 1px 0 0 rgba(255,255,255,.1)}
.count-num{font-size:clamp(28px,3.6vw,44px);font-weight:800;line-height:1;color:#fff;font-variant-numeric:tabular-nums}
.count-cell:last-child .count-num{color:var(--gold)}
.count-unit{display:block;font-size:12px;color:var(--dark-muted);margin-top:8px;letter-spacing:1px}
.count-actions{display:grid;gap:12px;margin-top:18px}
.count-actions .btn{width:100%}
.replay-link{display:block;text-align:center;font-size:14px;color:var(--dark-muted);padding:8px 0}
.replay-link:hover{color:var(--primary)}
.hot-list{margin-top:22px}
.hot-list li{display:flex;gap:12px;align-items:flex-start;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.07)}
.hot-list li:last-child{border-bottom:0;opacity:.55}
.hot-index{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;margin-top:4px;
  background:rgba(123,75,255,.25);color:var(--primary);
  font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;font-variant-numeric:tabular-nums;
}
.hot-text{font-size:15px;color:#E7E2FA;flex:1}
.hot-tail{display:block;font-size:12px;color:var(--dark-muted);margin-top:2px;font-variant-numeric:tabular-nums}
@media (max-width:991px){
  .hero{min-height:auto;padding:40px 0 56px}
  .count-panel{margin-top:26px}
}
@media (max-width:575px){
  .countdown{grid-template-columns:repeat(2,1fr)}
  .count-cell + .count-cell{box-shadow:none}
  .count-cell:nth-child(even){box-shadow:inset 1px 0 0 rgba(255,255,255,.1)}
  .count-cell:nth-child(n+3){box-shadow:inset 0 1px 0 rgba(255,255,255,.1)}
  .hero .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  .hero::before,.hero::after{animation:none}
  *{scroll-behavior:auto!important}
}

/* ---------- 数据横条 ---------- */
.stat-bar{background:var(--bg-dark-2);padding:34px 0;border-top:1px solid rgba(255,255,255,.06)}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-item{display:flex;flex-direction:column;gap:6px}
.stat-num{font-size:28px;font-weight:800;color:var(--primary);font-variant-numeric:tabular-nums;line-height:1.1}
.stat-item:nth-child(2) .stat-num{color:var(--gold)}
.stat-item:nth-child(3) .stat-num{color:var(--magenta)}
.stat-txt{font-size:13px;color:var(--dark-muted)}
@media (max-width:767px){
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .stat-num{font-size:24px}
}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section--tight{padding:64px 0 96px}
.section--alt{background:#fff}
.section--dark{background:var(--bg-dark);color:var(--dark-text)}
.section--violet{background:#F2EEFF}
.section-head{max-width:720px;margin-bottom:44px}
.section-head .eyebrow{font-size:13px;font-weight:700;letter-spacing:2px;color:var(--violet);text-transform:uppercase}
.section-head h2{font-size:clamp(24px,3vw,34px);margin-top:10px}
.section-head p{margin-top:12px;color:var(--muted);font-size:16px}
.section--dark .section-head p{color:var(--dark-muted)}
@media (max-width:991px){.section{padding:64px 0}.section--tight{padding:48px 0 64px}.section-head{margin-bottom:32px}}
@media (max-width:575px){.section{padding:48px 0}.section--tight{padding:40px 0 48px}}

/* ---------- 分类导览 ---------- */
.cat-card{
  display:block;height:100%;background:var(--card);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform .24s ease-out,box-shadow .24s ease-out;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);color:inherit}
.cat-card img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0}
.cat-body{padding:22px 22px 24px}
.cat-body h3{font-size:19px;display:flex;align-items:center;gap:8px}
.cat-body h3 span{color:var(--violet);font-size:14px;font-weight:800}
.cat-body p{margin-top:10px;color:var(--muted);font-size:15px;line-height:1.8}
.cat-meta{display:flex;align-items:center;gap:10px;margin-top:16px;flex-wrap:wrap}
.pill{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;background:#F2EEFF;color:var(--muted);
}
.pill--neon{background:rgba(123,75,255,.12);color:var(--violet)}
.time-txt{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.badge-num{
  margin-left:auto;display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:#F7F5FC;font-size:12px;color:var(--muted);font-weight:700;font-variant-numeric:tabular-nums;
}
.badge-num b{color:var(--violet)}

/* ---------- 看什么 / 图文区 ---------- */
.watch-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.watch-img{border-radius:var(--r-hero);overflow:hidden;box-shadow:var(--sh-1)}
.watch-img img{width:100%;aspect-ratio:16/11;object-fit:cover}
.watch-list{display:grid;gap:18px;margin-top:26px}
.watch-item{display:flex;gap:14px;align-items:flex-start;padding:16px 18px;background:#fff;border-radius:16px;box-shadow:var(--sh-1)}
.watch-item .dot{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:var(--grad);
  color:#0B0716;font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center;margin-top:3px;
}
.watch-item h3{font-size:17px}
.watch-item p{font-size:14px;color:var(--muted);margin-top:6px}
@media (max-width:991px){.watch-wrap{grid-template-columns:1fr;gap:32px}}

/* ---------- 最新信息列表 ---------- */
.post-list{display:grid;gap:0;background:#fff;border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden}
.post-row{
  display:flex;gap:20px;align-items:center;padding:20px 24px;min-height:72px;
  border-bottom:1px solid var(--border);position:relative;transition:background .2s ease-out;
}
.post-row:last-child{border-bottom:0}
.post-row::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad);opacity:0;transition:opacity .2s ease-out}
.post-row:hover{background:#F4F1FF;color:inherit}
.post-row:hover::before{opacity:1}
.post-thumb{flex:0 0 132px;width:132px;height:84px;object-fit:cover;border-radius:14px}
.post-main{flex:1;min-width:0}
.post-main h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-main p{font-size:14px;color:var(--muted);margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-side{flex:0 0 168px;display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.section-foot{margin-top:34px;display:flex;justify-content:center}
.empty-state{
  background:#fff;border-radius:var(--r-card);box-shadow:var(--sh-1);
  padding:56px 24px;text-align:center;
}
.empty-state .shape{
  width:64px;height:64px;border-radius:20px;margin:0 auto 18px;background:#F2EEFF;
  display:flex;align-items:center;justify-content:center;color:#C9BFF0;font-size:26px;font-weight:800;
}
.empty-state p{color:var(--muted);font-size:15px}
.empty-state .btn{margin-top:20px}
@media (max-width:991px){
  .post-list{background:transparent;box-shadow:none;gap:16px;overflow:visible}
  .post-row{
    flex-direction:column;align-items:stretch;background:#fff;border-radius:var(--r-card);
    box-shadow:var(--sh-1);border-bottom:0;padding:18px;gap:14px;
  }
  .post-row::before{display:none}
  .post-thumb{width:100%;flex:none;height:auto;aspect-ratio:16/10}
  .post-side{flex:none;flex-direction:row;align-items:center;justify-content:space-between;width:100%}
}

/* ---------- 口碑 ---------- */
.quote-card{background:#fff;border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh-1);height:100%}
.quote-card p{font-size:15px;color:var(--text);line-height:1.85}
.quote-who{display:flex;align-items:center;gap:10px;margin-top:18px}
.quote-avatar{width:36px;height:36px;border-radius:50%;background:var(--grad);color:#0B0716;font-weight:800;font-size:13px;display:flex;align-items:center;justify-content:center}
.quote-who b{font-size:14px;display:block}
.quote-who span{font-size:12px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq .accordion-item{border:1px solid var(--border);border-radius:var(--r-card);background:#fff;margin-bottom:14px;overflow:hidden}
.faq .accordion-button{
  font-weight:600;font-size:17px;color:var(--text);background:#fff;
  padding:20px 24px;min-height:56px;box-shadow:none;border:0;
}
.faq .accordion-button:not(.collapsed){color:var(--text);background:#fff;box-shadow:none}
.faq .accordion-button:focus{box-shadow:none;border:0}
.faq .accordion-button::after{
  content:"+";background-image:none;width:28px;height:28px;flex:0 0 28px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;box-shadow:inset 0 0 0 1px rgba(123,75,255,.4);
  color:var(--violet);font-size:18px;font-weight:700;line-height:1;transform:none;
}
.faq .accordion-button:not(.collapsed)::after{content:"−";transform:none;background-image:none;box-shadow:inset 0 0 0 1px rgba(33,230,166,.7);color:var(--primary)}
.faq .accordion-body{padding:0 24px 22px;color:var(--muted);font-size:15px;line-height:1.85}

/* ---------- 订阅 CTA ---------- */
.cta-panel{
  background:var(--bg-dark);color:var(--dark-text);border-radius:var(--r-hero);
  padding:48px;position:relative;overflow:hidden;
}
.cta-panel::before{content:"";position:absolute;width:520px;height:520px;right:-160px;top:-200px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,61,139,.26),transparent 65%)}
.cta-inner{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.cta-panel h2{font-size:clamp(22px,2.6vw,30px);color:#fff}
.cta-panel p{margin-top:12px;color:var(--dark-muted);font-size:15px}
.sub-form{display:flex;gap:12px;flex-wrap:wrap}
.sub-form input{
  flex:1 1 200px;height:48px;border-radius:12px;border:0;padding:0 16px;font-size:15px;
  background:rgba(255,255,255,.1);color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.16);
}
.sub-form input::placeholder{color:rgba(242,238,255,.5)}
.sub-form input:focus{outline:2px solid var(--primary);outline-offset:0;box-shadow:none}
.form-hint{font-size:13px;color:var(--dark-muted);margin-top:10px}
.form-msg{font-size:13px;margin-top:10px;color:var(--primary);display:none}
.form-msg.show{display:block}
@media (max-width:991px){
  .cta-panel{padding:32px 24px}
  .cta-inner{grid-template-columns:1fr;gap:24px}
}
@media (max-width:575px){.sub-form .btn{width:100%}}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-dark);color:var(--dark-muted);padding:64px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:var(--dark-text);margin-bottom:14px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:var(--dark-muted);font-size:14px}
.footer-col a:hover{color:var(--primary)}
.footer-note{font-size:13px;line-height:1.9}
.footer-form{display:flex;gap:10px;flex-wrap:wrap;margin-top:4px}
.footer-form input{
  flex:1 1 140px;height:44px;border-radius:12px;border:0;padding:0 14px;font-size:14px;
  background:rgba(255,255,255,.08);color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.14);
}
.footer-form input::placeholder{color:rgba(242,238,255,.45)}
.footer-form input:focus{outline:2px solid var(--primary);outline-offset:0}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.09);
  padding:22px 0 28px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;
}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media (max-width:575px){.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column}}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:14px;
  background:#fff;color:var(--violet);box-shadow:var(--sh-2);border:0;
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;
  opacity:0;pointer-events:none;transition:opacity .3s ease-out,transform .3s ease-out;z-index:1040;
}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{transform:translateY(-3px)}

/* roulang page: article */
:root{
  --ink:#0B0716;
  --ink-2:#150B29;
  --ink-line:rgba(255,255,255,.10);
  --neon:#21E6A6;
  --magenta:#FF3D8B;
  --violet:#7B4BFF;
  --gold:#FFC24B;
  --paper:#F7F5FC;
  --card:#FFFFFF;
  --text:#1B1630;
  --muted:#5B5473;
  --line:#ECE7F8;
  --soft:#F2EEFF;
  --grad:linear-gradient(120deg,#7B4BFF 0%,#FF3D8B 55%,#21E6A6 100%);
  --r-sm:10px;
  --r-md:20px;
  --r-lg:28px;
  --r-pill:999px;
  --sh-1:0 6px 18px rgba(27,22,48,.06);
  --sh-2:0 14px 34px rgba(123,75,255,.18);
  --sh-dark:0 0 0 1px rgba(255,255,255,.08), 0 10px 30px rgba(0,0,0,.45);
  --sp-1:8px; --sp-2:12px; --sp-3:16px; --sp-4:24px; --sp-5:32px; --sp-6:48px; --sp-7:72px;
  --bs-primary:#7B4BFF;
  --bs-body-color:#1B1630;
  --bs-body-bg:#F7F5FC;
  --bs-link-color:#7B4BFF;
  --bs-link-hover-color:#FF3D8B;
  --bs-border-color:#ECE7F8;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--paper);
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--violet);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--magenta);}
button{font-family:inherit;}
h1,h2,h3,h4{font-weight:700;color:var(--text);letter-spacing:.01em;}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1440px){.container{max-width:1280px;}}

/* ---------- 顶部导航 ---------- */
.site-nav{
  position:sticky;top:0;z-index:1030;
  background:var(--ink);
  border-bottom:1px solid transparent;
  border-image:var(--grad) 1;
  transition:box-shadow .25s ease,padding .25s ease;
}
.site-nav.scrolled{box-shadow:0 10px 30px rgba(0,0,0,.45);}
.site-nav .container{
  display:flex;align-items:center;justify-content:space-between;
  gap:var(--sp-4);min-height:68px;
}
.brand{display:flex;align-items:center;gap:10px;color:#F2EEFF !important;}
.brand-mark{
  width:32px;height:32px;flex:0 0 32px;border-radius:9px;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;color:#0B0716;letter-spacing:.02em;
}
.brand-text{font-size:17px;font-weight:700;color:#F2EEFF;line-height:1.2;}
.brand-sub{font-size:12px;font-weight:500;color:#A79FC4;margin-left:2px;}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-menu a{
  position:relative;
  display:inline-block;
  padding:10px 12px;
  font-size:15px;font-weight:500;color:#E7E2FA;
  border-radius:var(--r-sm);
  transition:color .2s ease,background .2s ease;
}
.nav-menu a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--grad);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .24s ease-out;
}
.nav-menu a:hover{color:#FFFFFF;background:rgba(255,255,255,.05);}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.active{color:#FFFFFF;text-shadow:0 0 6px rgba(33,230,166,.45);}
.nav-menu a.active::after{transform:scaleX(1);}
.nav-menu a.nav-cta{
  margin-left:10px;padding:10px 20px;border-radius:var(--r-pill);
  background:var(--grad);color:#0B0716;font-weight:700;
}
.nav-menu a.nav-cta::after{display:none;}
.nav-menu a.nav-cta:hover{color:#0B0716;transform:translateY(-2px);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--ink-line);
  background:rgba(255,255,255,.04);border-radius:12px;
  padding:0;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#E7E2FA;border-radius:2px;}
@media (max-width:991px){
  .nav-toggle{display:flex;}
  .nav-menu{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--ink-2);
    border-bottom:1px solid var(--ink-line);
    padding:8px 16px 18px;
    display:none;
  }
  .nav-menu.open{display:flex;}
  .nav-menu a{
    min-height:48px;display:flex;align-items:center;
    border-left:3px solid transparent;border-radius:0;padding:12px 14px;
  }
  .nav-menu a.active{border-left-color:var(--neon);background:rgba(33,230,166,.07);}
  .nav-menu a::after{display:none;}
  .nav-menu a.nav-cta{margin:12px 0 0;justify-content:center;border-radius:var(--r-pill);}
}

/* ---------- 面包屑 ---------- */
.crumbs{
  background:#FFFFFF;border-bottom:1px solid var(--line);
  padding:14px 0;
}
.crumbs ol{
  list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  margin:0;padding:0;font-size:13px;color:var(--muted);
}
.crumbs li{display:flex;align-items:center;gap:8px;min-width:0;}
.crumbs li+li::before{content:"/";color:#C9C1E2;}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--violet);}
.crumbs .current{
  color:var(--text);font-weight:600;
  max-width:46vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ---------- 文章头部 ---------- */
.article-head{
  position:relative;
  background:var(--ink);
  color:#F2EEFF;
  padding:56px 0 68px;
  overflow:hidden;
}
.article-head::before,
.article-head::after{
  content:"";position:absolute;border-radius:50%;pointer-events:none;
}
.article-head::before{
  width:640px;height:640px;top:-300px;left:-160px;
  background:radial-gradient(circle,rgba(123,75,255,.38),transparent 68%);
  animation:drift 20s ease-in-out infinite alternate;
}
.article-head::after{
  width:560px;height:560px;bottom:-320px;right:-140px;
  background:radial-gradient(circle,rgba(33,230,166,.24),transparent 68%);
  animation:drift 24s ease-in-out infinite alternate-reverse;
}
@keyframes drift{from{transform:translate3d(0,0,0);}to{transform:translate3d(40px,26px,0);}}
.article-head .container{position:relative;z-index:2;}
.head-cat{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  font-size:13px;font-weight:600;color:#21E6A6;letter-spacing:.03em;
  margin-bottom:18px;
}
.article-title{
  font-size:clamp(28px,4vw,44px);
  line-height:1.3;
  font-weight:800;
  color:#FFFFFF;
  margin:0 0 20px;
  max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13.5px;color:#A79FC4;
}
.article-meta .chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.10);
  color:#E7E2FA;
}
.article-meta .chip i{color:var(--neon);font-size:12px;}
.article-meta .chip.gold i{color:var(--gold);}

/* ---------- 文章主体 ---------- */
.article-wrap{padding:56px 0 8px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 264px;
  gap:var(--sp-6);
  align-items:start;
}
.article-main{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  padding:40px 44px 44px;
}
.prose{max-width:780px;margin:0 auto;}
.prose p{
  font-size:16.5px;
  line-height:1.9;
  margin:0 0 1.1em;
  color:#221C38;
}
.prose h2{
  position:relative;
  font-size:clamp(20px,2.2vw,26px);
  line-height:1.45;
  margin:2.1em 0 .8em;
  padding-left:12px;
}
.prose h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:3px;
  border-radius:3px;background:var(--grad);
}
.prose h3{
  font-size:19px;font-weight:700;margin:1.7em 0 .6em;color:#1B1630;
}
.prose ul,.prose ol{margin:0 0 1.2em;padding-left:1.3em;color:#221C38;}
.prose li{margin-bottom:.5em;line-height:1.85;}
.prose img{
  border-radius:18px;margin:26px auto;box-shadow:var(--sh-1);
}
.prose figure{margin:26px 0;}
.prose figcaption{
  text-align:center;font-size:13px;color:var(--muted);margin-top:10px;
}
.prose blockquote{
  margin:26px 0;padding:20px 24px;
  background:#F4EFFF;
  border-left:4px solid var(--magenta);
  border-radius:0 14px 14px 0;
  color:#2A2344;
}
.prose blockquote p:last-child{margin-bottom:0;}
.prose a{color:var(--violet);border-bottom:1px solid rgba(123,75,255,.35);}
.prose a:hover{color:var(--magenta);border-bottom-color:rgba(255,61,139,.5);}
.prose table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.prose th,.prose td{border:1px solid var(--line);padding:11px 14px;text-align:left;}
.prose th{background:var(--soft);font-weight:700;}
.prose code{
  background:var(--soft);color:#4B3A8F;border-radius:6px;
  padding:2px 6px;font-size:14px;
}

/* 空态 */
.empty-state{
  max-width:620px;margin:0 auto;text-align:center;padding:34px 12px 10px;
}
.empty-state .empty-mark{
  width:96px;height:96px;margin:0 auto 22px;border-radius:24px;
  background:var(--soft);display:flex;align-items:center;justify-content:center;
  color:var(--violet);font-size:34px;
}
.empty-state h2{font-size:24px;margin:0 0 12px;}
.empty-state p{color:var(--muted);margin:0 0 26px;font-size:15px;}

/* 侧栏目录 */
.article-aside{position:sticky;top:96px;}
.toc-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  padding:22px 20px;
}
.toc-title{
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--muted);margin:0 0 14px;text-transform:uppercase;
}
.toc-list{list-style:none;margin:0;padding:0;}
.toc-list li{margin-bottom:2px;}
.toc-list a{
  display:block;font-size:14px;line-height:1.6;color:var(--muted);
  padding:7px 10px;border-left:2px solid transparent;border-radius:0 8px 8px 0;
  transition:all .2s ease;
}
.toc-list a:hover,.toc-list a.current{
  color:var(--violet);background:var(--soft);border-left-color:var(--violet);
}
.toc-inline{display:none;}
.toc-inline-toggle{
  display:none;width:100%;align-items:center;justify-content:space-between;
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:14px 18px;font-size:15px;font-weight:600;color:var(--text);
  margin-bottom:20px;cursor:pointer;
}
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-aside{display:none;}
  .toc-inline-toggle{display:flex;}
  .toc-inline{display:none;margin-bottom:22px;}
  .toc-inline.open{display:block;}
}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,color .2s ease,background .2s ease;
  position:relative;overflow:hidden;
}
.btn:active{transform:translateY(0);}
.btn-neon{
  background:var(--grad);color:#0B0716;font-weight:700;
  background-size:200% 100%;
}
.btn-neon:hover{
  color:#0B0716;transform:translateY(-2px);
  box-shadow:var(--sh-2);
  background-position:100% 0;
}
.btn-ghost{
  background:transparent;color:#F2EEFF;border-color:rgba(255,255,255,.22);
}
.btn-ghost:hover{color:#FFFFFF;border-color:var(--neon);transform:translateY(-2px);}
.btn-outline{
  background:#FFFFFF;color:var(--violet);border-color:#DCD3F7;
}
.btn-outline:hover{border-color:var(--violet);color:var(--violet);transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn-line{
  background:#FFFFFF;color:var(--text);border-color:var(--line);
}
.btn-line:hover{border-color:var(--neon);color:#0B0716;background:#EAFBF5;}

/* ---------- 继续阅读 / 相关推荐 ---------- */
.after-block{padding:64px 0 8px;}
.block-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;}
.block-head h2{font-size:clamp(21px,2.4vw,28px);margin:0;}
.block-head p{margin:6px 0 0;color:var(--muted);font-size:14.5px;}
.block-head .more-link{font-size:14.5px;font-weight:600;color:var(--violet);white-space:nowrap;}
.block-head .more-link:hover{color:var(--magenta);}
.divider-line{height:1px;background:var(--line);border:0;margin:64px 0 0;}

.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
@media (max-width:991px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}}
@media (max-width:575px){.card-grid{grid-template-columns:minmax(0,1fr);}}

.post-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DCD3F7;}
.post-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.post-card:hover .thumb img{transform:scale(1.04);}
.post-card .thumb .tag{
  position:absolute;left:12px;top:12px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(11,7,22,.72);color:#21E6A6;
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.post-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1;}
.post-card h3{
  font-size:17.5px;line-height:1.5;margin:0 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card h3 a{color:var(--text);}
.post-card h3 a:hover{color:var(--violet);}
.post-card .desc{
  font-size:14.5px;line-height:1.75;color:var(--muted);margin:0 0 18px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card .foot{
  margin-top:auto;display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:12.5px;color:var(--muted);
}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:var(--soft);color:var(--muted);font-size:12.5px;font-weight:600;
}
.pill.num{font-variant-numeric:tabular-nums;}
.pill strong{color:var(--violet);font-weight:800;}
.pill .gold{color:#C98A12;font-weight:800;}

/* 返回入口 */
.back-entry{
  margin-top:40px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 24px;box-shadow:var(--sh-1);
}
.back-entry p{margin:0;flex:1 1 260px;font-size:14.5px;color:var(--muted);}
@media (max-width:575px){.back-entry .btn{width:100%;}}

/* ---------- CTA 条 ---------- */
.cta-band{
  margin-top:72px;
  background:var(--ink);
  border-radius:var(--r-lg);
  padding:44px 40px;
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);
  gap:32px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;width:420px;height:420px;right:-120px;top:-180px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,61,139,.30),transparent 68%);
}
.cta-band .cta-copy{position:relative;z-index:2;}
.cta-band h2{color:#FFFFFF;font-size:clamp(22px,2.6vw,30px);margin:0 0 12px;}
.cta-band p{color:#A79FC4;margin:0;font-size:15px;line-height:1.8;}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}
@media (max-width:767px){
  .cta-band{grid-template-columns:minmax(0,1fr);padding:32px 22px;}
  .cta-actions{justify-content:flex-start;}
  .cta-actions .btn{width:100%;}
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);color:#A79FC4;
  margin-top:88px;padding:64px 0 26px;
  border-top:1px solid var(--ink-line);
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:32px;
}
@media (max-width:991px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}}
@media (max-width:575px){.footer-grid{grid-template-columns:minmax(0,1fr);}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-text{color:#F2EEFF;}
.footer-col h4{color:#F2EEFF;font-size:15px;margin:0 0 16px;font-weight:700;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:#A79FC4;font-size:14.5px;}
.footer-col a:hover{color:var(--neon);}
.footer-note{font-size:14px;line-height:1.8;color:#A79FC4;margin:0;}
.footer-form{display:flex;gap:12px;}
.footer-form input{
  flex:1 1 auto;min-width:0;height:46px;border-radius:12px;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);color:#F2EEFF;
  padding:0 14px;font-size:14.5px;outline:none;
}
.footer-form input::placeholder{color:#7E7699;}
.footer-form input:focus{border-color:var(--neon);box-shadow:0 0 0 3px rgba(33,230,166,.18);}
@media (max-width:575px){.footer-form{flex-direction:column;}.footer-form .btn{width:100%;}}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--ink-line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#7E7699;
}

/* ---------- 返回顶部 & 进度 ---------- */
.read-progress{
  position:fixed;left:0;top:0;height:3px;width:0;
  background:var(--grad);z-index:1040;transition:width .12s linear;
}
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:1035;
  width:48px;height:48px;border-radius:50%;border:1px solid var(--line);
  background:#FFFFFF;color:var(--violet);box-shadow:var(--sh-2);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
.to-top:hover{background:var(--grad);color:#0B0716;border-color:transparent;}

@media (max-width:991px){
  .article-wrap{padding:40px 0 8px;}
  .article-main{padding:30px 26px 34px;}
  .article-head{padding:44px 0 52px;}
  .after-block{padding:52px 0 8px;}
  .site-footer{margin-top:64px;}
}
@media (max-width:575px){
  .container{padding:0 16px;}
  .article-main{padding:24px 18px 28px;border-radius:16px;}
  .prose p{font-size:16px;}
  .crumbs .current{max-width:60vw;}
  .to-top{right:16px;bottom:16px;width:44px;height:44px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
}

/* roulang page: category1 */
:root{
  --dark:#0B0716;
  --dark-2:#150B29;
  --dark-text:#F2EEFF;
  --dark-muted:#A79FC4;
  --neon:#21E6A6;
  --magenta:#FF3D8B;
  --purple:#7B4BFF;
  --gold:#FFC24B;
  --bg:#F7F5FC;
  --card:#FFFFFF;
  --text:#1B1630;
  --muted:#5B5473;
  --line:#ECE7F8;
  --soft:#F2EEFF;
  --grad:linear-gradient(120deg,#7B4BFF 0%,#FF3D8B 55%,#21E6A6 100%);
  --r-sm:10px;
  --r-md:20px;
  --r-lg:28px;
  --r-pill:999px;
  --sh-1:0 6px 18px rgba(27,22,48,.06);
  --sh-2:0 14px 34px rgba(123,75,255,.18);
  --bs-body-bg:#F7F5FC;
  --bs-body-color:#1B1630;
  --bs-border-color:#ECE7F8;
  --bs-primary:#21E6A6;
  --bs-link-color:#5B5473;
  --bs-link-hover-color:#7B4BFF;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--purple);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;color:var(--text);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(123,75,255,.22);}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:1440px){.container{max-width:1280px;}}
@media (max-width:575px){.container{padding-left:16px;padding-right:16px;}}

/* ---------- 导航 ---------- */
.site-nav{position:sticky;top:0;z-index:1030;background:var(--dark);}
.site-nav::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--grad);opacity:.85;}
.site-nav .container{display:flex;align-items:center;justify-content:space-between;gap:20px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;}
.brand-mark{
  width:32px;height:32px;border-radius:10px;background:var(--grad);
  display:grid;place-items:center;font-size:12px;font-weight:800;color:#0B0716;letter-spacing:.5px;
}
.brand-text{font-size:17px;font-weight:700;color:var(--dark-text);letter-spacing:.2px;}
.brand-sub{font-size:14px;font-weight:600;color:var(--neon);margin-left:2px;}
.nav-menu{display:flex;align-items:center;gap:26px;}
.nav-menu a{position:relative;font-size:15px;font-weight:500;color:#E7E2FA;padding:6px 0;}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:100%;bottom:0;height:2px;
  background:var(--grad);transition:right .24s ease-out;
}
.nav-menu a:hover{color:#fff;}
.nav-menu a:hover::after{right:0;}
.nav-menu a.active{color:#fff;text-shadow:0 0 6px rgba(33,230,166,.45);}
.nav-menu a.active::after{right:0;}
.nav-cta{
  background:var(--grad);color:#0B0716 !important;padding:10px 20px !important;
  border-radius:var(--r-pill);font-weight:700 !important;transition:transform .2s ease,box-shadow .2s ease;
}
.nav-cta::after{display:none;}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(123,75,255,.35);color:#0B0716 !important;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid rgba(255,255,255,.14);background:transparent;
  border-radius:12px;padding:11px 10px;flex-direction:column;justify-content:space-between;cursor:pointer;
}
.nav-toggle span{display:block;height:2px;background:#E7E2FA;border-radius:2px;}
@media (max-width:991px){
  .nav-toggle{display:flex;}
  .nav-menu{
    position:fixed;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;
    background:var(--dark);padding:6px 20px 20px;border-bottom:1px solid rgba(255,255,255,.08);
    transform:translateY(-10px);opacity:0;visibility:hidden;transition:.22s ease-out;max-height:calc(100vh - 68px);overflow-y:auto;
  }
  .nav-menu.open{transform:translateY(0);opacity:1;visibility:visible;}
  .nav-menu a{padding:14px 0;min-height:48px;display:flex;align-items:center;border-bottom:1px solid rgba(255,255,255,.06);}
  .nav-menu a::after{display:none;}
  .nav-menu a.active{border-left:3px solid var(--neon);padding-left:12px;background:rgba(255,255,255,.03);}
  .nav-cta{margin-top:14px;justify-content:center;border-bottom:none !important;}
}

/* ---------- 分类页头部 ---------- */
.cat-hero{
  position:relative;overflow:hidden;padding:44px 0 52px;
  background:
    radial-gradient(680px 320px at 12% -10%,rgba(123,75,255,.16),transparent 70%),
    radial-gradient(560px 300px at 92% 8%,rgba(33,230,166,.14),transparent 70%),
    var(--bg);
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--purple);}
.crumb .sep{color:#C7BFDD;}
.crumb .now{color:var(--text);font-weight:600;}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;}
@media (max-width:991px){.hero-grid{grid-template-columns:1fr;gap:28px;}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(123,75,255,.1);border:1px solid rgba(123,75,255,.22);
  font-size:13px;font-weight:600;color:#5A34D6;margin-bottom:18px;
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--neon);display:inline-block;box-shadow:0 0 0 4px rgba(33,230,166,.18);}
.cat-hero h1{font-size:clamp(28px,3.7vw,44px);font-weight:800;letter-spacing:-.5px;margin-bottom:16px;}
.cat-hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{font-size:17px;color:var(--muted);max-width:560px;margin-bottom:24px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;}
.badge-pill{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--soft);color:var(--muted);font-size:13px;font-weight:600;
}
.badge-pill b{color:#2E2450;font-weight:800;}
.badge-pill b.gold{color:#B8791B;}
.badge-pill b.neon{color:#0F9E74;}
.hero-visual{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);border:1px solid rgba(123,75,255,.18);}
.hero-visual img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;}
.hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,7,22,0) 45%,rgba(11,7,22,.62) 100%);}
.hero-cap{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:2;color:#fff;font-size:14px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.hero-cap span.tag{background:var(--grad);color:#0B0716;border-radius:var(--r-pill);padding:4px 12px;font-size:12px;font-weight:800;}

/* ---------- 主布局：左筛选 + 右大卡流 ---------- */
.sec{padding:64px 0;}
.sec.tight{padding:48px 0;}
.sec-head{margin-bottom:32px;}
.sec-head h2{font-size:clamp(22px,2.4vw,30px);font-weight:800;}
.sec-head p{margin-top:10px;color:var(--muted);font-size:15px;max-width:720px;}
.layout{display:grid;grid-template-columns:320px 1fr;gap:32px;align-items:start;}
@media (max-width:1199px){.layout{grid-template-columns:1fr;gap:24px;}}
.filter-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-1);position:sticky;top:92px;
}
@media (max-width:1199px){
  .filter-panel{position:static;padding:18px;overflow-x:auto;}
  .filter-panel .filter-title,.filter-panel .filter-note{display:none;}
  .filter-list{display:flex;gap:10px;flex-wrap:nowrap;padding-bottom:4px;}
  .filter-list li{flex:0 0 auto;}
}
.filter-title{font-size:16px;font-weight:700;margin-bottom:6px;}
.filter-note{font-size:13px;color:var(--muted);margin-bottom:18px;}
.tag-btn{
  display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#F7F5FC;color:var(--muted);
  font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease;white-space:nowrap;
}
.tag-btn:hover{border-color:rgba(123,75,255,.45);color:var(--purple);background:#fff;}
.tag-btn.active{background:var(--grad);color:#0B0716;border-color:transparent;font-weight:800;}
.tag-btn .dot{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.6;}

.stream{display:flex;flex-direction:column;gap:24px;}
.stream-card{
  display:grid;grid-template-columns:38% 1fr;gap:24px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-md);padding:20px;box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.stream-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(123,75,255,.28);}
@media (max-width:767px){.stream-card{grid-template-columns:1fr;gap:18px;}}
.stream-media{position:relative;border-radius:14px;overflow:hidden;background:#EAE5F6;}
.stream-media img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease;}
.stream-card:hover .stream-media img{transform:scale(1.04);}
.media-tag{
  position:absolute;left:12px;top:12px;z-index:2;background:rgba(11,7,22,.78);color:#fff;
  border:1px solid rgba(255,255,255,.18);border-radius:var(--r-pill);padding:4px 12px;
  font-size:12px;font-weight:700;letter-spacing:.3px;
}
.stream-body{display:flex;flex-direction:column;min-width:0;}
.stream-body h3{font-size:19px;font-weight:800;margin-bottom:10px;transition:color .2s ease;}
.stream-card:hover .stream-body h3{color:#5A34D6;}
.stream-body p{font-size:15px;color:var(--muted);margin-bottom:16px;}
.stream-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:auto;}
.chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;background:var(--soft);color:var(--muted);
}
.chip.cat{background:rgba(123,75,255,.12);color:#5A34D6;}
.chip.data{background:rgba(33,230,166,.14);color:#0F8F68;}
.chip.data b{color:#B8791B;font-weight:800;margin:0 2px;}
.chip.time{background:transparent;border:1px solid var(--line);color:var(--muted);}
.stream-link{
  margin-left:auto;font-size:14px;font-weight:700;color:#5A34D6;display:inline-flex;align-items:center;gap:6px;
}
.stream-link::after{content:"→";transition:transform .2s ease;}
.stream-card:hover .stream-link::after{transform:translateX(4px);}
.empty-tip{display:none;text-align:center;padding:40px 20px;color:var(--muted);font-size:15px;}

/* ---------- 改动要点速览 ---------- */
.stat-strip{background:var(--dark);color:var(--dark-text);border-radius:var(--r-md);padding:36px 32px;position:relative;overflow:hidden;}
.stat-strip::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(520px 260px at 8% 0%,rgba(123,75,255,.32),transparent 70%),
             radial-gradient(480px 240px at 96% 100%,rgba(33,230,166,.22),transparent 70%);
  pointer-events:none;
}
.stat-strip .inner{position:relative;z-index:2;}
.stat-strip h2{color:var(--dark-text);font-size:clamp(20px,2.2vw,26px);margin-bottom:8px;}
.stat-strip .strip-note{color:var(--dark-muted);font-size:14px;margin-bottom:26px;}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
@media (max-width:991px){.stat-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:575px){.stat-grid{grid-template-columns:1fr;}}
.stat-cell{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);
  border-radius:16px;padding:20px 18px;
}
.stat-cell .num{font-size:30px;font-weight:800;color:var(--gold);letter-spacing:-.5px;line-height:1.2;}
.stat-cell .num small{font-size:14px;font-weight:700;color:var(--dark-muted);margin-left:4px;}
.stat-cell .lb{font-size:14px;font-weight:700;color:var(--dark-text);margin-top:8px;}
.stat-cell .ds{font-size:13px;color:var(--dark-muted);margin-top:6px;line-height:1.6;}

/* ---------- 更新节奏时间轴 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;}
@media (max-width:991px){.steps{grid-template-columns:repeat(2,1fr);}}
@media (max-width:575px){.steps{grid-template-columns:1fr;}}
.step{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:24px 22px;
  box-shadow:var(--sh-1);position:relative;transition:transform .24s ease,box-shadow .24s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.step .idx{
  width:34px;height:34px;border-radius:12px;background:var(--grad);color:#0B0716;
  display:grid;place-items:center;font-size:15px;font-weight:800;margin-bottom:14px;
}
.step h3{font-size:17px;margin-bottom:8px;}
.step p{font-size:14px;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:16px;margin-bottom:14px;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;}
.faq-item:hover{border-color:rgba(123,75,255,.26);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:16px 22px;background:transparent;border:0;cursor:pointer;
  font-size:16px;font-weight:700;color:var(--text);text-align:left;
}
.faq-q .mark{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid rgba(123,75,255,.4);
  display:grid;place-items:center;color:#5A34D6;font-size:15px;font-weight:800;transition:transform .22s ease;
}
.faq-item.open .faq-q .mark{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a p{padding:0 22px 20px;font-size:15px;color:var(--muted);line-height:1.8;}

/* ---------- CTA 订阅 ---------- */
.cta-band{
  background:linear-gradient(120deg,#150B29 0%,#0B0716 60%,#1A0E33 100%);
  border-radius:var(--r-lg);padding:44px 40px;color:var(--dark-text);position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;width:420px;height:420px;right:-120px;top:-160px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,61,139,.28),transparent 65%);pointer-events:none;
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center;}
@media (max-width:991px){.cta-grid{grid-template-columns:1fr;gap:24px;}}
@media (max-width:575px){.cta-band{padding:32px 22px;}}
.cta-band h2{color:var(--dark-text);font-size:clamp(22px,2.5vw,30px);margin-bottom:12px;}
.cta-band p{color:var(--dark-muted);font-size:15px;max-width:520px;}
.sub-form{display:flex;gap:12px;}
@media (max-width:575px){.sub-form{flex-direction:column;}}
.sub-form input{
  flex:1;height:48px;border-radius:12px;border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.08);color:#fff;padding:0 16px;font-size:15px;font-family:inherit;
  transition:border-color .2s ease,background .2s ease;
}
.sub-form input::placeholder{color:rgba(242,238,255,.5);}
.sub-form input:focus{outline:none;border-color:var(--neon);background:rgba(255,255,255,.12);}
.sub-form input.err{border-color:var(--magenta);}
.form-msg{font-size:13px;color:var(--dark-muted);margin-top:10px;}
.form-msg.ok{color:var(--neon);}
.form-msg.bad{color:var(--magenta);}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;cursor:pointer;font-weight:700;font-size:15px;border-radius:var(--r-pill);padding:12px 26px;transition:transform .2s ease,box-shadow .2s ease,background .2s ease;}
.btn:active{transform:translateY(1px);}
.btn-neon{background:var(--grad);color:#0B0716;position:relative;overflow:hidden;}
.btn-neon::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.45),transparent);transform:translateX(-110%);transition:transform .24s ease-out;}
.btn-neon:hover{color:#0B0716;transform:translateY(-2px);box-shadow:0 10px 26px rgba(123,75,255,.35);}
.btn-neon:hover::before{transform:translateX(110%);}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.24);color:var(--dark-text);}
.btn-ghost:hover{color:#fff;border-color:var(--neon);transform:translateY(-2px);}
.btn-line{background:#fff;border:1px solid var(--line);color:var(--text);}
.btn-line:hover{border-color:rgba(123,75,255,.45);color:var(--purple);transform:translateY(-2px);box-shadow:var(--sh-1);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--dark-text);padding:64px 0 26px;margin-top:72px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:36px;}
@media (max-width:991px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px;}}
@media (max-width:575px){.footer-grid{grid-template-columns:1fr;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-text{font-size:17px;font-weight:700;color:var(--dark-text);}
.footer-note{font-size:14px;color:var(--dark-muted);line-height:1.75;}
.footer-col h4{font-size:15px;font-weight:700;color:var(--dark-text);margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{font-size:14px;color:var(--dark-muted);}
.footer-col ul li a:hover{color:var(--neon);}
.footer-form{display:flex;gap:10px;}
.footer-form input{
  flex:1;min-width:0;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.08);color:#fff;padding:0 14px;font-size:14px;font-family:inherit;
}
.footer-form input::placeholder{color:rgba(242,238,255,.5);}
.footer-form input:focus{outline:none;border-color:var(--neon);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.09);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--dark-muted);
}
.to-top{
  position:fixed;right:24px;bottom:24px;width:44px;height:44px;border-radius:50%;
  background:var(--grad);color:#0B0716;border:0;display:grid;place-items:center;
  font-size:18px;font-weight:800;cursor:pointer;box-shadow:0 12px 28px rgba(123,75,255,.35);
  opacity:0;visibility:hidden;transition:.24s ease;z-index:1040;
}
.to-top.show{opacity:1;visibility:visible;}
@media (max-width:575px){.to-top{right:16px;bottom:16px;}}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
  --ink:#0B0716;
  --ink-2:#150B29;
  --ink-3:#1D1038;
  --text-dark:#F2EEFF;
  --text-muted-dark:#A79FC4;
  --neon:#21E6A6;
  --magenta:#FF3D8B;
  --violet:#7B4BFF;
  --gold:#FFC24B;
  --light:#F7F5FC;
  --card:#FFFFFF;
  --text:#1B1630;
  --muted:#5B5473;
  --line:#ECE7F8;
  --grad:linear-gradient(120deg,#7B4BFF 0%,#FF3D8B 55%,#21E6A6 100%);
  --r-s:10px;
  --r-m:20px;
  --r-l:28px;
  --r-pill:999px;
  --sh-1:0 6px 18px rgba(27,22,48,.06);
  --sh-2:0 14px 34px rgba(123,75,255,.18);
  --sh-dark:0 0 0 1px rgba(255,255,255,.08),0 10px 30px rgba(0,0,0,.45);
  --bs-primary:#7B4BFF;
  --bs-body-bg:#0B0716;
  --bs-body-color:#F2EEFF;
  --bs-border-color:rgba(255,255,255,.12);
  --bs-link-color:#21E6A6;
  --bs-link-hover-color:#FF3D8B;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  background:var(--ink);
  color:var(--text-dark);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button,input{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1440px){.container{max-width:1280px}}
:focus-visible{outline:2px solid var(--neon);outline-offset:2px;border-radius:6px}

/* ============ 导航 ============ */
.site-nav{
  position:sticky;top:0;z-index:1000;
  background:rgba(11,7,22,.96);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:padding .25s ease,box-shadow .25s ease;
}
.site-nav::after{
  content:"";display:block;height:1px;background:var(--grad);opacity:.75;
}
.site-nav .container{
  display:flex;align-items:center;justify-content:space-between;
  height:68px;gap:24px;
}
.site-nav.scrolled{box-shadow:0 8px 24px rgba(0,0,0,.5)}
.site-nav.scrolled .container{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;border-radius:9px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  color:#0B0716;font-weight:800;font-size:14px;letter-spacing:.5px;
}
.brand-text{font-size:17px;font-weight:800;color:var(--text-dark);letter-spacing:.4px}
.brand-sub{color:var(--text-muted-dark);font-weight:500;font-size:14px;margin-left:2px}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-menu > a{
  position:relative;
  padding:9px 14px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:#E7E2FA;
  transition:color .2s ease,background .2s ease;
}
.nav-menu > a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-menu > a.active{color:#fff;text-shadow:0 0 6px rgba(33,230,166,.45)}
.nav-menu > a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;
  border-radius:2px;background:var(--grad);
}
.nav-cta{
  margin-left:10px;
  background:var(--grad);color:#0B0716 !important;
  font-weight:700 !important;padding:10px 20px !important;
  border-radius:var(--r-pill);
  transition:transform .2s ease,box-shadow .2s ease !important;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,61,139,.35);background:var(--grad) !important}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid rgba(255,255,255,.16);
  border-radius:12px;background:transparent;padding:11px 10px;
  flex-direction:column;justify-content:space-between;cursor:pointer;
}
.nav-toggle span{display:block;height:2px;background:#E7E2FA;border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.nav-toggle.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ============ 通用按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);border:none;cursor:pointer;
  font-size:15px;font-weight:600;padding:12px 26px;line-height:1.4;
  position:relative;overflow:hidden;
  transition:transform .24s ease,box-shadow .24s ease,background .24s ease,color .24s ease;
}
.btn::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(123,75,255,.95),rgba(255,61,139,.95),rgba(33,230,166,.95));
  transform:translateX(-101%);transition:transform .24s ease-out;z-index:0;
}
.btn:hover::before{transform:translateX(0)}
.btn > *{position:relative;z-index:1}
.btn-neon{background:var(--neon);color:#06170F}
.btn-neon:hover{transform:translateY(-2px);color:#0B0716;box-shadow:0 12px 28px rgba(33,230,166,.35)}
.btn-ghost{
  background:transparent;color:var(--text-dark);
  border:1px solid rgba(255,255,255,.22);
}
.btn-ghost:hover{transform:translateY(-2px);color:#0B0716;border-color:transparent}
.btn-magenta{background:var(--magenta);color:#fff}
.btn-magenta:hover{transform:translateY(-2px);color:#0B0716;box-shadow:0 12px 28px rgba(255,61,139,.35)}
.btn-block{width:100%}

/* ============ 面包屑 ============ */
.crumb{
  padding:22px 0 0;font-size:13px;color:var(--text-muted-dark);
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
}
.crumb a{color:var(--text-muted-dark)}
.crumb a:hover{color:var(--neon)}
.crumb .sep{opacity:.5}
.crumb .current{color:#E7E2FA}

/* ============ Hero 头图 ============ */
.banner{
  position:relative;margin-top:18px;border-radius:var(--r-l);
  overflow:hidden;border:1px solid rgba(255,255,255,.12);
  min-height:400px;display:flex;align-items:flex-end;
  aspect-ratio:21/9;
}
.banner img{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;z-index:0;
}
.banner::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:
    radial-gradient(60% 80% at 85% 15%,rgba(123,75,255,.42),transparent 62%),
    radial-gradient(50% 70% at 12% 90%,rgba(33,230,166,.28),transparent 65%),
    linear-gradient(180deg,rgba(11,7,22,.32) 0%,rgba(11,7,22,.78) 55%,rgba(11,7,22,.96) 100%);
}
.banner-inner{position:relative;z-index:2;padding:44px 44px 40px;max-width:880px}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.tag-live{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 14px;border-radius:var(--r-pill);
  background:rgba(255,61,139,.16);border:1px solid rgba(255,61,139,.5);
  color:#FFD6E6;font-size:13px;font-weight:700;letter-spacing:.5px;
}
.tag-live i{
  width:7px;height:7px;border-radius:50%;background:var(--magenta);
  box-shadow:0 0 0 4px rgba(255,61,139,.22);animation:pulse 2s infinite;
}
@keyframes pulse{50%{box-shadow:0 0 0 8px rgba(255,61,139,0)}}
.tag-plain{
  padding:5px 14px;border-radius:var(--r-pill);font-size:13px;font-weight:600;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:#E7E2FA;
}
.banner h1{
  font-size:clamp(28px,4.2vw,46px);font-weight:800;color:#fff;letter-spacing:.5px;
}
.banner h1 em{
  font-style:normal;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.banner .lede{
  margin-top:14px;font-size:17px;color:#DCD6F2;max-width:640px;
}
.banner-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.stat-badge{
  display:flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.13);
  font-size:13px;color:#D8D2EE;
}
.stat-badge b{
  font-size:17px;font-weight:800;color:var(--gold);
  font-variant-numeric:tabular-nums;letter-spacing:.5px;
}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

/* ============ 板块通用 ============ */
.section{padding:78px 0}
.section-tight{padding:56px 0}
.section-head{margin-bottom:38px;max-width:760px}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;
  color:var(--neon);text-transform:uppercase;margin-bottom:12px;
}
.section-head h2{font-size:clamp(24px,2.7vw,32px);color:#fff}
.section-head p{margin-top:12px;color:var(--text-muted-dark);font-size:16px}
.divider-neon{height:1px;background:var(--grad);opacity:.35;border:0;margin:0}

/* ============ 直播日程 2x2 ============ */
.live-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.live-card{
  border-radius:var(--r-m);overflow:hidden;position:relative;
  background:linear-gradient(180deg,rgba(29,16,56,.95),rgba(15,9,30,.95));
  box-shadow:var(--sh-dark);
  transition:transform .26s ease,box-shadow .26s ease;
  display:flex;flex-direction:column;
}
.live-card:hover{transform:translateY(-4px);box-shadow:0 0 0 1px rgba(33,230,166,.35),0 20px 42px rgba(0,0,0,.55)}
.live-cover{position:relative;aspect-ratio:16/9;overflow:hidden}
.live-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.live-card:hover .live-cover img{transform:scale(1.045)}
.live-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,7,22,.05) 40%,rgba(11,7,22,.85) 100%);
}
.live-state{
  position:absolute;top:14px;left:14px;z-index:2;
  padding:5px 13px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;letter-spacing:.5px;
  background:rgba(255,61,139,.9);color:#fff;
}
.live-state.soon{background:rgba(123,75,255,.9)}
.live-state.done{background:rgba(255,255,255,.16);color:#E7E2FA;border:1px solid rgba(255,255,255,.2)}
.time-pill{
  position:absolute;right:14px;bottom:14px;z-index:2;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(11,7,22,.78);border:1px solid rgba(33,230,166,.45);
  color:var(--neon);font-size:13px;font-weight:800;
  font-variant-numeric:tabular-nums;letter-spacing:.5px;
}
.live-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.live-body h3{font-size:19px;color:#fff}
.live-body p{font-size:14.5px;color:var(--text-muted-dark);line-height:1.8}
.live-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:auto;padding-top:6px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);
  font-size:12.5px;color:#CFC8E8;
}
.chip b{color:var(--gold);font-weight:800;font-variant-numeric:tabular-nums}

/* ============ 看点列表 ============ */
.highlight-wrap{
  display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
}
.highlight-list{border-top:1px solid rgba(255,255,255,.1)}
.highlight-item{
  display:flex;align-items:flex-start;gap:16px;
  padding:18px 4px;border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .2s ease;
}
.highlight-item:hover{background:rgba(255,255,255,.03)}
.dot-index{
  flex:0 0 34px;height:34px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(33,230,166,.12);border:1px solid rgba(33,230,166,.42);
  color:var(--neon);font-weight:800;font-size:14px;
  font-variant-numeric:tabular-nums;
}
.highlight-item h3{font-size:16px;color:#F2EEFF;font-weight:600}
.highlight-item p{font-size:14px;color:var(--text-muted-dark);margin-top:4px}
.highlight-item .tail{margin-left:auto;font-size:12.5px;color:#8E86AC;white-space:nowrap;padding-top:4px}
.highlight-visual{
  border-radius:var(--r-l);overflow:hidden;border:1px solid rgba(255,255,255,.12);
  box-shadow:var(--sh-dark);
}
.highlight-visual img{width:100%;aspect-ratio:5/4;object-fit:cover}

/* ============ 回放窄条 ============ */
.replay-bar{
  display:flex;align-items:center;gap:22px;flex-wrap:wrap;
  padding:22px 28px;border-radius:var(--r-m);
  background:linear-gradient(120deg,rgba(123,75,255,.24),rgba(255,61,139,.16) 55%,rgba(33,230,166,.16));
  border:1px solid rgba(255,255,255,.14);
}
.replay-bar .rb-icon{
  width:46px;height:46px;border-radius:14px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:rgba(11,7,22,.55);border:1px solid rgba(255,255,255,.16);
  font-size:19px;color:var(--neon);
}
.replay-bar h3{font-size:18px;color:#fff}
.replay-bar p{font-size:14px;color:#CFC8E8;margin-top:4px}
.replay-bar .rb-action{margin-left:auto}

/* ============ FAQ ============ */
.faq-dark .accordion-item{
  background:transparent;border:none;border-bottom:1px solid rgba(255,255,255,.1);
}
.faq-dark .accordion-button{
  background:transparent;color:#F2EEFF;font-size:16px;font-weight:600;
  padding:22px 44px 22px 0;box-shadow:none;border-radius:0;
}
.faq-dark .accordion-button:not(.collapsed){color:var(--neon);background:transparent}
.faq-dark .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq-dark .accordion-button::after{
  display:none;
}
.faq-dark .accordion-button::before{
  content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  width:30px;height:30px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  border:1px solid rgba(123,75,255,.7);color:var(--neon);
  font-size:18px;font-weight:600;line-height:1;
  transition:transform .25s ease,background .25s ease;
}
.faq-dark .accordion-button:not(.collapsed)::before{
  content:"−";background:var(--grad);color:#0B0716;border-color:transparent;
  transform:translateY(-50%) rotate(180deg);
}
.faq-dark .accordion-body{
  color:var(--text-muted-dark);font-size:15px;line-height:1.85;
  padding:0 60px 22px 0;
}

/* ============ 订阅区 ============ */
.subscribe-box{
  border-radius:var(--r-l);padding:44px;
  background:
    radial-gradient(70% 120% at 88% 8%,rgba(255,61,139,.24),transparent 60%),
    radial-gradient(60% 110% at 6% 92%,rgba(33,230,166,.2),transparent 62%),
    var(--ink-2);
  border:1px solid rgba(255,255,255,.12);
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
}
.subscribe-box h2{font-size:clamp(22px,2.5vw,30px);color:#fff}
.subscribe-box p{margin-top:12px;color:var(--text-muted-dark);font-size:15.5px}
.sub-form{display:flex;gap:12px;flex-wrap:wrap}
.sub-form input{
  flex:1;min-width:200px;height:48px;border-radius:12px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.08);color:#fff;
  padding:0 16px;font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.sub-form input::placeholder{color:#9F97BC}
.sub-form input:focus{
  outline:none;border-color:var(--neon);
  box-shadow:0 0 0 3px rgba(33,230,166,.18);
}
.sub-form input.error{border-color:var(--magenta);box-shadow:0 0 0 3px rgba(255,61,139,.16)}
.sub-hint{font-size:13px;color:#8E86AC;margin-top:10px}
.sub-hint.err{color:#FF7BB0}
.form-msg{margin-top:12px;font-size:14px;color:var(--neon);display:none}
.form-msg.show{display:block}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:80px;background:#0B0716;
  border-top:1px solid rgba(255,255,255,.08);
}
.site-footer::before{content:"";display:block;height:1px;background:var(--grad);opacity:.6}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:36px;
  padding:60px 0 42px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{font-size:16px}
.footer-note{font-size:14px;color:var(--text-muted-dark);line-height:1.85}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:var(--text-muted-dark)}
.footer-col ul li a:hover{color:var(--neon)}
.footer-form{display:flex;gap:10px;flex-wrap:wrap}
.footer-form input{
  flex:1;min-width:150px;height:44px;border-radius:12px;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.07);color:#fff;padding:0 14px;font-size:14px;
}
.footer-form input::placeholder{color:#9F97BC}
.footer-form input:focus{outline:none;border-color:var(--neon);box-shadow:0 0 0 3px rgba(33,230,166,.16)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0 34px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:#8E86AC;
}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:24px;width:46px;height:46px;
  border-radius:50%;border:1px solid rgba(33,230,166,.5);
  background:rgba(11,7,22,.86);color:var(--neon);font-size:18px;
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  opacity:0;visibility:hidden;transition:opacity .3s ease,transform .3s ease;
  z-index:900;
}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{transform:translateY(-3px);background:var(--grad);color:#0B0716;border-color:transparent}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .highlight-wrap{grid-template-columns:1fr;gap:32px}
  .subscribe-box{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:991px){
  .nav-toggle{display:flex}
  .nav-menu{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#0B0716;border-bottom:1px solid rgba(255,255,255,.1);
    padding:10px 20px 22px;
    max-height:0;overflow:hidden;
    transition:max-height .3s ease,padding .3s ease;
  }
  .nav-menu.open{max-height:420px;padding:10px 20px 22px}
  .nav-menu > a{padding:14px 12px;border-radius:10px;border-left:3px solid transparent}
  .nav-menu > a.active{border-left-color:var(--neon);background:rgba(33,230,166,.08)}
  .nav-menu > a.active::after{display:none}
  .nav-cta{margin:14px 0 0;text-align:center;justify-content:center}
  .live-grid{grid-template-columns:1fr}
  .banner{aspect-ratio:auto;min-height:0}
  .banner-inner{padding:32px 26px 30px}
  .section{padding:60px 0}
  .replay-bar .rb-action{margin-left:0;width:100%}
  .replay-bar .rb-action .btn{width:100%}
}
@media (max-width:575px){
  .container{padding:0 16px}
  .brand-text{font-size:15.5px}
  .brand-sub{display:none}
  .banner-inner{padding:26px 18px 24px}
  .banner-actions{gap:10px}
  .banner-actions .btn{width:100%}
  .banner-stats{gap:8px}
  .stat-badge{padding:7px 13px;font-size:12.5px}
  .live-body{padding:18px 18px 20px}
  .highlight-item .tail{margin-left:0;flex-basis:100%;padding-top:0}
  .subscribe-box{padding:26px 20px}
  .sub-form input,.sub-form .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 32px}
  .to-top{right:16px;bottom:16px}
  .faq-dark .accordion-body{padding-right:0}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --ink-900:#0B0716;
  --ink-800:#150B29;
  --neon:#21E6A6;
  --magenta:#FF3D8B;
  --purple:#7B4BFF;
  --gold:#FFC24B;
  --light:#F7F5FC;
  --soft:#F2EEFF;
  --card:#FFFFFF;
  --text:#1B1630;
  --muted:#5B5473;
  --line:#ECE7F8;
  --dark-text:#F2EEFF;
  --dark-muted:#A79FC4;
  --grad:linear-gradient(120deg,#7B4BFF 0%,#FF3D8B 55%,#21E6A6 100%);
  --r-sm:10px;
  --r-md:20px;
  --r-lg:28px;
  --sh-1:0 6px 18px rgba(27,22,48,.06);
  --sh-2:0 14px 34px rgba(123,75,255,.18);
  --nav-h:68px;

  --bs-primary:#21E6A6;
  --bs-body-bg:#F7F5FC;
  --bs-body-color:#1B1630;
  --bs-border-color:#ECE7F8;
  --bs-link-color:#7B4BFF;
  --bs-link-hover-color:#FF3D8B;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--light);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{text-decoration:none;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
button{font:inherit;cursor:pointer}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--neon);outline-offset:2px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:1440px){.container{max-width:1280px}}
@media (max-width:575px){.container{padding:0 16px}}

/* ============ 导航 ============ */
.site-nav{position:sticky;top:0;z-index:1030;background:var(--ink-900)}
.site-nav::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--grad);opacity:.75}
.site-nav .container{display:flex;align-items:center;height:var(--nav-h);gap:20px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  background:var(--grad);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;color:#0B0716;letter-spacing:.02em;
  flex-shrink:0;
}
.brand-text{color:#F2EEFF;font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap}
.brand-sub{color:var(--neon);font-weight:600;font-size:14px}
.nav-toggle{
  display:none;width:44px;height:44px;border:0;background:transparent;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
  margin-left:auto;border-radius:12px;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:#E7E2FA;transition:.25s}
.nav-toggle:hover span{background:var(--neon)}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-menu a{
  position:relative;color:#E7E2FA;font-size:15px;font-weight:500;
  padding:10px 14px;border-radius:10px;transition:color .2s ease,background .2s ease;
}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-menu a.active{color:#fff;text-shadow:0 0 6px rgba(33,230,166,.45)}
.nav-menu a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--grad);
}
.nav-cta{
  background:var(--grad);color:#0B0716 !important;font-weight:700 !important;
  border-radius:999px !important;padding:10px 20px !important;margin-left:10px;
  transition:transform .2s ease,box-shadow .2s ease !important;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(123,75,255,.32)}

@media (max-width:991px){
  .nav-toggle{display:flex}
  .nav-menu{
    display:none;position:absolute;top:var(--nav-h);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:var(--ink-900);padding:12px 20px 20px;
    border-bottom:1px solid rgba(255,255,255,.08);
    box-shadow:0 24px 40px rgba(0,0,0,.45);
  }
  .nav-menu.open{display:flex}
  .nav-menu a{min-height:48px;display:flex;align-items:center;border-radius:12px;padding:0 16px}
  .nav-menu a.active{background:rgba(33,230,166,.08);box-shadow:inset 3px 0 0 var(--neon)}
  .nav-menu a.active::after{display:none}
  .nav-cta{margin:8px 0 0;justify-content:center}
}

/* ============ 面包屑 / Hero ============ */
.cat-hero{position:relative;background:var(--ink-900);color:var(--dark-text);padding:44px 0 72px;overflow:hidden}
.cat-hero::before{
  content:"";position:absolute;width:640px;height:640px;left:-160px;top:-300px;
  background:radial-gradient(circle,rgba(123,75,255,.40),transparent 65%);
  pointer-events:none;
  animation:drift 20s ease-in-out infinite alternate;
}
.cat-hero::after{
  content:"";position:absolute;width:580px;height:580px;right:-140px;bottom:-320px;
  background:radial-gradient(circle,rgba(33,230,166,.24),transparent 65%);
  pointer-events:none;
  animation:drift 24s ease-in-out infinite alternate-reverse;
}
@keyframes drift{from{transform:translate3d(0,0,0)}to{transform:translate3d(40px,30px,0)}}
.cat-hero .container{position:relative;z-index:1}
.crumb{font-size:13px;color:var(--dark-muted);margin-bottom:20px;letter-spacing:.02em}
.crumb a{color:var(--dark-muted);transition:color .2s}
.crumb a:hover{color:var(--neon)}
.crumb em{font-style:normal;color:#F2EEFF}
.crumb i{font-style:normal;margin:0 8px;opacity:.5}
.cat-hero h1{
  font-size:clamp(30px,4.2vw,46px);
  line-height:1.3;font-weight:800;letter-spacing:.01em;color:#fff;
  max-width:16em;
}
.cat-hero h1 strong{
  display:inline-block;
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{margin-top:18px;font-size:17px;color:var(--dark-muted);max-width:44em}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 16px;
  border-radius:999px;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.1);
  color:#E7E2FA;font-size:13px;font-weight:600;
  font-variant-numeric:tabular-nums;
}
.hero-badge b{color:var(--gold);font-weight:800}
.hero-badge.accent b{color:var(--neon)}

/* ============ 标签条 ============ */
.tagbar{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:var(--nav-h);z-index:1020}
.tagbar-inner{display:flex;gap:10px;overflow-x:auto;padding:16px 0;scrollbar-width:none}
.tagbar-inner::-webkit-scrollbar{display:none}
.tag-pill{
  white-space:nowrap;border:1px solid var(--line);background:#fff;color:var(--muted);
  font-size:14px;font-weight:600;padding:8px 18px;border-radius:999px;
  transition:border-color .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.tag-pill:hover{border-color:#D9CFFB;color:var(--text);transform:translateY(-1px)}
.tag-pill.active{
  color:#0B0716;border-color:transparent;background:var(--grad);
  box-shadow:0 6px 16px rgba(123,75,255,.22);
}

/* ============ 板块 ============ */
.section{padding:72px 0}
.section-sm{padding:52px 0}
.section-alt{background:#fff}
.section-soft{background:var(--soft)}
.sec-head{margin-bottom:36px;max-width:720px}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--purple);
  text-transform:uppercase;margin-bottom:12px;
}
.sec-kicker::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad)}
.sec-head h2{font-size:clamp(24px,2.8vw,32px);font-weight:800;line-height:1.35;color:var(--text)}
.sec-head p{margin-top:12px;color:var(--muted);font-size:16px}

/* ============ 攻略卡栅格 ============ */
.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
@media (max-width:1199px){.guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:767px){.guide-grid{grid-template-columns:minmax(0,1fr)}}
.guide-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;
}
.guide-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#E2D9FB}
.guide-card.is-hidden{display:none}
.guide-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--soft)}
.guide-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.guide-card:hover .guide-media img{transform:scale(1.04)}
.corner-num{
  position:absolute;top:0;left:0;z-index:2;
  padding:7px 20px 7px 14px;
  background:var(--grad);color:#0B0716;
  font-size:13px;font-weight:800;letter-spacing:.06em;
  font-variant-numeric:tabular-nums;
  clip-path:polygon(0 0,100% 0,calc(100% - 16px) 100%,0 100%);
}
.guide-body{padding:22px;display:flex;flex-direction:column;flex:1}
.guide-body h3{
  font-size:18px;font-weight:700;line-height:1.5;color:var(--text);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.guide-body p{
  margin-top:10px;font-size:14px;line-height:1.8;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.guide-meta{
  margin-top:auto;padding-top:18px;display:flex;flex-wrap:wrap;align-items:center;gap:8px;
}
.tag-chip{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--soft);color:var(--muted);font-size:12px;font-weight:600;
}
.meta-time{font-size:12px;color:#8E88A6;font-variant-numeric:tabular-nums}
.data-badge{
  display:inline-flex;align-items:center;gap:5px;height:28px;padding:0 12px;border-radius:999px;
  background:var(--soft);color:var(--muted);font-size:12px;font-weight:600;
  font-variant-numeric:tabular-nums;
}
.data-badge b{color:var(--purple);font-weight:800}

/* ============ 使用要点 ============ */
.point-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
@media (max-width:767px){.point-list{grid-template-columns:minmax(0,1fr)}}
.point-item{
  display:flex;gap:18px;padding:26px;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);transition:box-shadow .24s ease,transform .24s ease;
}
.point-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.point-num{
  flex-shrink:0;width:44px;height:44px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:800;color:#0B0716;
  background:var(--grad);font-variant-numeric:tabular-nums;
}
.point-item h3{font-size:17px;font-weight:700;color:var(--text)}
.point-item p{margin-top:8px;font-size:14px;line-height:1.85;color:var(--muted)}

/* ============ 场景卡 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
@media (max-width:991px){.scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:575px){.scene-grid{grid-template-columns:minmax(0,1fr)}}
.scene-card{
  padding:24px;border-radius:var(--r-md);background:#fff;
  border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#E2D9FB}
.scene-card h3{font-size:17px;font-weight:700;display:flex;align-items:center;gap:8px}
.scene-card h3::before{
  content:"";width:8px;height:8px;border-radius:50%;background:var(--neon);
  box-shadow:0 0 0 4px rgba(33,230,166,.16);
}
.scene-card p{margin-top:10px;font-size:14px;line-height:1.85;color:var(--muted)}

/* ============ 流程时间轴 ============ */
.flow{position:relative;max-width:880px;margin:0 auto;padding-left:8px}
.flow-item{position:relative;padding:0 0 32px 46px}
.flow-item:last-child{padding-bottom:0}
.flow-item::before{
  content:"";position:absolute;left:13px;top:30px;bottom:0;width:2px;
  background:linear-gradient(180deg,rgba(123,75,255,.35),rgba(33,230,166,.25));
}
.flow-item:last-child::before{display:none}
.flow-dot{
  position:absolute;left:0;top:2px;width:28px;height:28px;border-radius:50%;
  background:#fff;border:2px solid #D9CFFB;color:var(--purple);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;z-index:1;
}
.flow-item h3{font-size:17px;font-weight:700;color:var(--text)}
.flow-item p{margin-top:8px;font-size:14px;line-height:1.85;color:var(--muted)}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto}
.accordion-item{
  border:1px solid var(--line) !important;border-radius:16px !important;
  overflow:hidden;margin-bottom:12px;background:#fff;box-shadow:var(--sh-1);
}
.accordion-button{
  font-size:16px;font-weight:600;color:var(--text);background:#fff;
  padding:18px 22px;box-shadow:none !important;line-height:1.6;
}
.accordion-button:not(.collapsed){color:var(--text);background:#FBF9FF}
.accordion-button:focus{box-shadow:none !important;border-color:transparent}
.accordion-button::after{
  content:"+";
  background-image:none !important;
  width:28px;height:28px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  border:1px solid #D9CFFB;border-radius:50%;
  color:var(--purple);font-size:18px;font-weight:600;line-height:1;
  transform:none !important;
  transition:background .22s ease,color .22s ease,border-color .22s ease;
}
.accordion-button:hover::after{background:var(--soft)}
.accordion-button:not(.collapsed)::after{
  content:"−";background:var(--grad);color:#0B0716;border-color:transparent;
}
.accordion-body{
  padding:0 22px 22px;font-size:15px;line-height:1.9;color:var(--muted);
}

/* ============ CTA ============ */
.cta-band{position:relative;background:var(--ink-900);color:var(--dark-text);overflow:hidden;padding:76px 0}
.cta-band::before{
  content:"";position:absolute;width:620px;height:620px;right:-180px;top:-280px;
  background:radial-gradient(circle,rgba(123,75,255,.38),transparent 65%);pointer-events:none;
}
.cta-band::after{
  content:"";position:absolute;width:520px;height:520px;left:-160px;bottom:-300px;
  background:radial-gradient(circle,rgba(33,230,166,.22),transparent 65%);pointer-events:none;
}
.cta-band .container{position:relative;z-index:1}
.cta-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
@media (max-width:991px){.cta-grid{grid-template-columns:minmax(0,1fr);gap:32px}}
.cta-band h2{font-size:clamp(24px,2.8vw,32px);font-weight:800;color:#fff;line-height:1.35}
.cta-band p.lead{margin-top:14px;color:var(--dark-muted);font-size:16px;max-width:36em}
.cta-form{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}
.cta-form input{
  flex:1 1 220px;height:48px;border-radius:12px;padding:0 16px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  color:#fff;font-size:15px;
}
.cta-form input::placeholder{color:var(--dark-muted)}
.cta-form input:focus{outline:none;border-color:var(--neon);box-shadow:0 0 0 3px rgba(33,230,166,.18)}
.btn{border-radius:999px;font-weight:600;padding:12px 26px;border:0;transition:transform .24s ease,box-shadow .24s ease,background .24s ease,color .24s ease}
.btn-neon{background:var(--grad);color:#0B0716;font-weight:700}
.btn-neon:hover{color:#0B0716;transform:translateY(-2px);box-shadow:0 12px 26px rgba(123,75,255,.32)}
.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.24);color:var(--dark-text)}
.btn-ghost:hover{background:rgba(255,255,255,.08);color:#fff;transform:translateY(-2px)}
.btn-line{background:#fff;border:1px solid #D9CFFB;color:var(--text)}
.btn-line:hover{border-color:#BFA9F7;color:var(--purple);transform:translateY(-2px);box-shadow:0 10px 24px rgba(123,75,255,.14)}
.form-hint{margin-top:12px;font-size:13px;color:var(--dark-muted)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-900);color:var(--dark-muted);padding:64px 0 0;border-top:1px solid rgba(255,255,255,.06)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:44px}
@media (max-width:991px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}}
@media (max-width:575px){.footer-grid{grid-template-columns:minmax(0,1fr)}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{font-size:16px}
.footer-note{font-size:14px;line-height:1.85;color:var(--dark-muted)}
.footer-col h4{font-size:15px;font-weight:700;color:#F2EEFF;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:var(--dark-muted);transition:color .2s ease,padding-left .2s ease}
.footer-col ul a:hover{color:var(--neon);padding-left:4px}
.footer-form{display:flex;gap:10px;flex-wrap:wrap}
.footer-form input{
  flex:1 1 140px;height:44px;border-radius:12px;padding:0 14px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  color:#fff;font-size:14px;
}
.footer-form input::placeholder{color:var(--dark-muted)}
.footer-form input:focus{outline:none;border-color:var(--neon);box-shadow:0 0 0 3px rgba(33,230,166,.18)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:#8A82A6;
}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:24px;width:48px;height:48px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--text);
  display:flex;align-items:center;justify-content:center;font-size:18px;
  box-shadow:var(--sh-1);opacity:0;pointer-events:none;z-index:1040;
  transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease;
}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{transform:translateY(-2px);box-shadow:var(--sh-2);color:var(--purple)}
@media (max-width:575px){.to-top{right:16px;bottom:16px;width:44px;height:44px}}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category4 */
:root{
  --ink:#0B0716;
  --ink-2:#150B29;
  --ink-text:#F2EEFF;
  --ink-mute:#A79FC4;
  --neon:#21E6A6;
  --magenta:#FF3D8B;
  --violet:#7B4BFF;
  --gold:#FFC24B;
  --bg:#F7F5FC;
  --card:#FFFFFF;
  --text:#1B1630;
  --muted:#5B5473;
  --line:#ECE7F8;
  --grad:linear-gradient(120deg,#7B4BFF 0%,#FF3D8B 55%,#21E6A6 100%);
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;
  --sh-1:0 6px 18px rgba(27,22,48,.06);
  --sh-2:0 14px 34px rgba(123,75,255,.18);
  --sh-dark:0 0 0 1px rgba(255,255,255,.08),0 10px 30px rgba(0,0,0,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
::selection{background:rgba(123,75,255,.22)}

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

/* ============ 导航 ============ */
.site-nav{
  position:sticky;top:0;z-index:1000;
  background:var(--ink);
  border-bottom:1px solid transparent;
  border-image:var(--grad) 1;
}
.site-nav::after{
  content:"";display:block;height:1px;background:var(--grad);
}
.site-nav .container{
  min-height:68px;display:flex;align-items:center;gap:28px;
  padding-top:8px;padding-bottom:8px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:32px;height:32px;border-radius:9px;background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;
  color:#0B0716;font-weight:800;font-size:14px;letter-spacing:.5px;
}
.brand-text{color:var(--ink-text);font-weight:700;font-size:17px;letter-spacing:.4px;white-space:nowrap}
.brand-sub{color:var(--ink-mute);font-weight:500;font-size:14px;margin-left:2px}
.nav-menu{
  display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:nowrap;
}
.nav-menu a{
  position:relative;display:inline-flex;align-items:center;
  color:#E7E2FA;font-size:15px;font-weight:500;
  padding:10px 14px;border-radius:var(--r-sm);
  transition:color .2s var(--ease),background .2s var(--ease);
  white-space:nowrap;
}
.nav-menu a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--grad);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-menu a:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-menu a:hover::after{transform:scaleX(1)}
.nav-menu a.active{color:#fff;text-shadow:0 0 6px rgba(33,230,166,.45)}
.nav-menu a.active::after{transform:scaleX(1)}
.nav-menu .nav-cta{
  margin-left:12px;
  background:var(--grad);
  color:#0B0716;font-weight:800;
  padding:11px 20px;border-radius:999px;
  overflow:hidden;
}
.nav-menu .nav-cta::after{display:none}
.nav-menu .nav-cta:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(33,230,166,.25);color:#0B0716}
.nav-toggle{
  display:none;margin-left:auto;
  width:44px;height:44px;border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.04);border-radius:12px;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:#E7E2FA;border-radius:2px;transition:.22s var(--ease)}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media (max-width:991px){
  .nav-toggle{display:flex}
  .nav-menu{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:2px;
    background:var(--ink-2);
    border-top:1px solid rgba(255,255,255,.08);
    padding:10px 16px 18px;
    max-height:0;overflow:hidden;opacity:0;visibility:hidden;
    transition:max-height .3s var(--ease),opacity .2s var(--ease),visibility .2s;
  }
  .nav-menu.open{max-height:460px;opacity:1;visibility:visible;padding-top:10px}
  .nav-menu a{min-height:48px;padding:12px 14px;border-left:3px solid transparent;border-radius:8px}
  .nav-menu a.active{border-left-color:var(--neon);background:rgba(33,230,166,.07)}
  .nav-menu a::after{display:none}
  .nav-menu .nav-cta{margin:8px 0 0;justify-content:center;border-left:0}
}

/* ============ 面包屑 ============ */
.crumb{padding:22px 0 0;font-size:13px;color:var(--muted)}
.crumb ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:#C9C2DE}
.crumb a{color:var(--muted);transition:color .18s var(--ease)}
.crumb a:hover{color:var(--violet)}
.crumb .current{color:var(--text);font-weight:600}

/* ============ Hero ============ */
.hero-light{padding:34px 0 8px;position:relative;overflow:hidden}
.hero-light::before{
  content:"";position:absolute;right:-140px;top:-160px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(123,75,255,.16),transparent 66%);
  pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center;position:relative}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:#F2EEFF;color:var(--violet);
  font-size:13px;font-weight:700;letter-spacing:.4px;
  padding:7px 14px;border-radius:999px;margin-bottom:18px;
}
.eyebrow i{font-size:12px}
.hero-title{
  font-size:clamp(30px,4.2vw,46px);font-weight:800;letter-spacing:.2px;
  color:var(--text);margin-bottom:16px;
}
.hero-title em{
  font-style:normal;
  background:linear-gradient(120deg,#7B4BFF,#FF3D8B);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17px;color:var(--muted);max-width:520px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:0;cursor:pointer;font-weight:700;font-size:15px;
  padding:13px 26px;border-radius:999px;
  transition:transform .2s var(--ease),box-shadow .22s var(--ease),background .2s var(--ease),color .2s var(--ease);
  position:relative;overflow:hidden;
}
.btn:focus-visible,.nav-menu a:focus-visible,.faq-q:focus-visible,.foot-link:focus-visible{
  outline:2px solid var(--neon);outline-offset:2px;
}
.btn-neon{background:var(--grad);color:#0B0716}
.btn-neon::before{
  content:"";position:absolute;inset:0;left:-120%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.55),transparent);
  transition:left .34s var(--ease);
}
.btn-neon:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(123,75,255,.28)}
.btn-neon:hover::before{left:120%}
.btn-outline{
  background:#fff;color:var(--text);
  box-shadow:inset 0 0 0 1px var(--line),var(--sh-1);
}
.btn-outline:hover{transform:translateY(-2px);box-shadow:inset 0 0 0 1px rgba(123,75,255,.4),var(--sh-2);color:var(--violet)}
.btn-dark-ghost{
  background:rgba(255,255,255,.06);color:var(--ink-text);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.16);
}
.btn-dark-ghost:hover{transform:translateY(-2px);color:#fff;box-shadow:inset 0 0 0 1px rgba(33,230,166,.6)}

.hero-metrics{display:flex;flex-wrap:wrap;gap:10px}
.metric{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border-radius:999px;padding:8px 16px;
  font-size:13px;color:var(--muted);box-shadow:var(--sh-1);
  font-variant-numeric:tabular-nums;
}
.metric strong{color:var(--text);font-weight:800;font-size:14px}
.metric .dot{width:7px;height:7px;border-radius:50%;background:var(--neon)}
.metric .dot.m{background:var(--magenta)}
.metric .dot.v{background:var(--violet)}

.hero-media{
  border-radius:var(--r-xl);overflow:hidden;background:var(--ink-2);
  box-shadow:0 20px 50px rgba(27,22,48,.14);
  position:relative;
}
.hero-media img{width:100%;aspect-ratio:5/4;object-fit:cover}
.hero-media figcaption{
  position:absolute;left:16px;bottom:16px;
  background:rgba(11,7,22,.72);color:var(--ink-text);
  font-size:12.5px;padding:7px 14px;border-radius:999px;
  backdrop-filter:blur(4px);
}
@media (max-width:991px){
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero-media img{aspect-ratio:16/10}
}
@media (max-width:575px){
  .hero-light{padding-top:24px}
  .hero-actions .btn{width:100%}
  .hero-sub{font-size:16px}
}

/* ============ 通用板块 ============ */
.section{padding:76px 0}
.section.tight{padding:52px 0}
.section-head{max-width:760px;margin-bottom:38px}
.section-tag{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.4px;
  color:var(--violet);text-transform:uppercase;margin-bottom:12px;
}
.section-title{font-size:clamp(24px,3vw,32px);margin-bottom:12px}
.section-title span{color:var(--magenta)}
.section-desc{color:var(--muted);font-size:16px}
.section.on-ink{background:var(--ink);color:var(--ink-text)}
.section.on-ink .section-tag{color:var(--neon)}
.section.on-ink .section-title{color:var(--ink-text)}
.section.on-ink .section-desc{color:var(--ink-mute)}

/* ============ 图文交替 ============ */
.alt-row{
  display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;
  padding:38px 0;
}
.alt-row+.alt-row{border-top:1px solid var(--line)}
.alt-row.reverse .alt-media{order:2}
.alt-media{
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  background:#fff;position:relative;
}
.alt-media img{width:100%;aspect-ratio:5/4;object-fit:cover;transition:transform .5s var(--ease)}
.alt-media:hover img{transform:scale(1.03)}
.alt-index{
  position:absolute;left:16px;top:16px;
  background:var(--grad);color:#0B0716;font-weight:800;font-size:13px;
  padding:6px 14px;border-radius:999px;font-variant-numeric:tabular-nums;
}
.alt-body h3{font-size:22px;margin-bottom:14px}
.alt-body p{color:var(--muted);margin-bottom:16px}
.alt-list li{
  position:relative;padding-left:22px;margin-bottom:10px;color:var(--text);font-size:15.5px;
}
.alt-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;
  background:var(--grad);
}
.alt-list li b{color:var(--violet);font-weight:700}
@media (max-width:991px){
  .alt-row{grid-template-columns:1fr;gap:26px;padding:30px 0}
  .alt-row.reverse .alt-media{order:0}
}

/* ============ 数据条 ============ */
.stat-strip{
  background:var(--card);border-radius:var(--r-lg);box-shadow:var(--sh-1);
  padding:26px 10px;display:grid;grid-template-columns:repeat(4,1fr);
  gap:10px;text-align:center;
}
.stat-strip .stat{padding:8px 12px;border-right:1px solid var(--line)}
.stat-strip .stat:last-child{border-right:0}
.stat .num{
  font-size:30px;font-weight:800;color:var(--text);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat .num small{font-size:15px;font-weight:700;color:var(--magenta);margin-left:2px}
.stat .label{font-size:13px;color:var(--muted);margin-top:4px}
@media (max-width:767px){
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:0}
  .stat-strip .stat{border-right:0;border-bottom:1px solid var(--line);padding:14px 8px}
  .stat-strip .stat:nth-child(3),.stat-strip .stat:nth-child(4){border-bottom:0}
}

/* ============ 时间轴 ============ */
.timeline{position:relative;margin-top:12px}
.timeline::before{
  content:"";position:absolute;left:23px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,rgba(123,75,255,.5),rgba(33,230,166,.5));
}
.tl-item{position:relative;padding:0 0 30px 70px}
.tl-item:last-child{padding-bottom:0}
.tl-num{
  position:absolute;left:0;top:0;width:48px;height:48px;border-radius:50%;
  background:#fff;color:var(--violet);font-weight:800;font-size:17px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:inset 0 0 0 2px rgba(123,75,255,.28),var(--sh-1);
  font-variant-numeric:tabular-nums;
}
.tl-item.active .tl-num{background:var(--grad);color:#0B0716;box-shadow:0 8px 20px rgba(123,75,255,.28)}
.tl-body{
  background:#fff;border-radius:var(--r-lg);padding:22px 24px;box-shadow:var(--sh-1);
  transition:box-shadow .24s var(--ease),transform .24s var(--ease);
}
.tl-body:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.tl-body h3{font-size:18px;margin-bottom:8px}
.tl-body p{color:var(--muted);font-size:15px}
.tl-body .tl-meta{
  display:inline-flex;align-items:center;gap:8px;margin-top:12px;
  font-size:12.5px;color:var(--muted);background:#F2EEFF;
  padding:5px 12px;border-radius:999px;
}
.tl-body .tl-meta b{color:var(--text);font-weight:700;font-variant-numeric:tabular-nums}
@media (max-width:575px){
  .timeline::before{left:19px}
  .tl-item{padding-left:56px}
  .tl-num{width:40px;height:40px;font-size:15px}
}

/* ============ 暗色提示带 ============ */
.on-ink .hint-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.hint-card{
  background:rgba(255,255,255,.04);border-radius:var(--r-lg);padding:26px 24px;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease);
}
.hint-card:hover{transform:translateY(-3px);box-shadow:inset 0 0 0 1px rgba(33,230,166,.42),0 12px 30px rgba(0,0,0,.4)}
.hint-card .hc-icon{
  width:42px;height:42px;border-radius:12px;background:rgba(33,230,166,.14);
  color:var(--neon);display:flex;align-items:center;justify-content:center;
  font-size:17px;margin-bottom:16px;
}
.hint-card h3{color:var(--ink-text);font-size:18px;margin-bottom:10px}
.hint-card p{color:var(--ink-mute);font-size:15px}
@media (max-width:991px){.on-ink .hint-grid{grid-template-columns:1fr}}

/* ============ FAQ ============ */
.faq{max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;border-radius:var(--r-lg)!important;box-shadow:var(--sh-1);
  margin-bottom:14px;border:0!important;overflow:hidden;
}
.faq-q{
  width:100%;text-align:left;background:#fff;border:0;
  padding:20px 56px 20px 24px;font-size:16.5px;font-weight:700;color:var(--text);
  position:relative;cursor:pointer;min-height:56px;line-height:1.5;
  display:flex;align-items:center;
  transition:background .2s var(--ease);
}
.faq-q::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border-radius:50%;border:1.5px solid rgba(123,75,255,.45);
  color:var(--violet);display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;line-height:1;transition:.22s var(--ease);
}
.faq-q:not(.collapsed){background:#FBF9FF;color:var(--violet)}
.faq-q:not(.collapsed)::after{content:"−";background:var(--grad);color:#0B0716;border-color:transparent}
.faq-q:hover{background:#FAF8FF}
.faq-a{padding:0 24px 22px;color:var(--muted);font-size:15.5px;line-height:1.8;background:#FBF9FF}

/* ============ CTA ============ */
.cta-panel{
  background:var(--ink);border-radius:var(--r-xl);padding:52px 48px;
  display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-panel::before{
  content:"";position:absolute;left:-120px;bottom:-160px;width:460px;height:460px;
  background:radial-gradient(circle,rgba(33,230,166,.18),transparent 68%);
}
.cta-panel::after{
  content:"";position:absolute;right:-100px;top:-140px;width:400px;height:400px;
  background:radial-gradient(circle,rgba(255,61,139,.16),transparent 68%);
}
.cta-copy{position:relative;z-index:1}
.cta-copy h2{color:var(--ink-text);font-size:clamp(24px,3vw,32px);margin-bottom:14px}
.cta-copy p{color:var(--ink-mute);font-size:16px;max-width:520px}
.cta-form{position:relative;z-index:1;background:rgba(255,255,255,.05);border-radius:var(--r-lg);padding:26px}
.cta-form label{display:block;font-size:13px;color:var(--ink-mute);margin-bottom:10px}
.form-row{display:flex;gap:12px}
.form-row input{
  flex:1;height:48px;border-radius:12px;border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.08);color:var(--ink-text);
  padding:0 16px;font-size:15px;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.form-row input::placeholder{color:rgba(242,238,255,.45)}
.form-row input:focus{border-color:var(--neon);box-shadow:0 0 0 2px rgba(33,230,166,.25)}
.form-row .btn{height:48px;padding:0 24px;white-space:nowrap}
.form-hint{font-size:13px;color:var(--ink-mute);margin-top:12px}
.form-hint.ok{color:var(--neon)}
.form-hint.err{color:var(--magenta)}
@media (max-width:991px){
  .cta-panel{grid-template-columns:1fr;padding:36px 24px;gap:28px}
}
@media (max-width:575px){
  .form-row{flex-direction:column}
  .form-row .btn{width:100%}
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:var(--ink-mute);padding:64px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px}
.footer-col h4{color:var(--ink-text);font-size:15px;margin-bottom:18px;letter-spacing:.4px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-text{font-size:17px}
.footer-note{font-size:14px;line-height:1.8;color:var(--ink-mute);max-width:300px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:var(--ink-mute);transition:color .18s var(--ease);position:relative}
.footer-col ul a:hover{color:var(--neon)}
.footer-form{display:flex;gap:10px}
.footer-form input{
  flex:1;min-width:0;height:44px;border-radius:12px;
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.08);
  color:var(--ink-text);padding:0 14px;font-size:14px;outline:none;
}
.footer-form input::placeholder{color:rgba(242,238,255,.45)}
.footer-form input:focus{border-color:var(--neon);box-shadow:0 0 0 2px rgba(33,230,166,.25)}
.footer-bottom{
  margin-top:46px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;
}
@media (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding-top:48px}
}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:1200;
  display:inline-flex;align-items:center;gap:9px;
  background:var(--grad);color:#0B0716;font-weight:800;font-size:14.5px;
  padding:14px 24px;border-radius:999px;
  box-shadow:0 14px 34px rgba(123,75,255,.34);
  opacity:0;visibility:hidden;transform:translateY(14px);
  transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta:hover{transform:translateY(-3px)}
@media (max-width:575px){
  .float-cta{right:16px;bottom:16px;padding:13px 18px;font-size:14px}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}