/* roulang page: index */
:root{
  --brand:#6C2BD9;
  --brand-hover:#5420B8;
  --magenta:#E2266B;
  --teal:#14B8A6;
  --amber:#FFB020;
  --bg:#FAF7FC;
  --surface:#FFFFFF;
  --dark:#16111F;
  --text:#1A1520;
  --text-2:#4A4354;
  --text-3:#7C7488;
  --line:#ECE5F3;
  --grad-brand:linear-gradient(118deg,#6C2BD9 0%,#A62BD0 46%,#E2266B 100%);
  --grad-soft:linear-gradient(118deg,rgba(108,43,217,.10) 0%,rgba(226,38,107,.10) 100%);
  --r-lg:26px;
  --r-md:20px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(108,43,217,.05),0 14px 34px rgba(108,43,217,.09);
  --sh-2:0 20px 44px rgba(108,43,217,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec:96px;
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure,blockquote{margin:0;padding:0;}
h1,h2,h3,h4,h5,h6{font-family:var(--font);color:var(--text);line-height:1.25;letter-spacing:-0.01em;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease);}
a:hover{color:var(--brand);}
button{font-family:var(--font);background:none;border:0;margin:0;padding:0;color:inherit;cursor:pointer;}
input,textarea{font-family:var(--font);}
::selection{background:rgba(108,43,217,.16);}

.grid-container{max-width:1200px;padding-left:32px;padding-right:32px;margin-left:auto;margin-right:auto;}
.grid-x.gutter{margin-left:-14px;margin-right:-14px;}
.grid-x.gutter>.cell{padding-left:14px;padding-right:14px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,247,252,.92);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
  transition:background .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.is-scrolled{background:rgba(250,247,252,.96);box-shadow:0 6px 22px rgba(108,43,217,.07);}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  min-height:72px;gap:20px;
  transition:min-height .3s var(--ease);
}
.site-header.is-scrolled .header-inner{min-height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  position:relative;width:34px;height:34px;border-radius:11px;
  background-image:var(--grad-brand);
  box-shadow:0 8px 18px rgba(108,43,217,.28);
  display:inline-block;
}
.brand-dot{
  position:absolute;right:-3px;top:-3px;width:11px;height:11px;border-radius:50%;
  background:var(--amber);border:2px solid #fff;
  box-shadow:0 0 0 3px rgba(255,176,32,.22);
}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-0.01em;color:var(--text);white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:32px;}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);
  padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;border-radius:2px;
  background-image:var(--grad-brand);transition:width .28s var(--ease);
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{width:100%;}
.nav-link.is-active{color:var(--text);font-weight:600;}
.nav-link.is-active::after{width:100%;}
.nav-link.is-active::before{
  content:"";position:absolute;left:-12px;top:50%;transform:translateY(-50%);
  width:6px;height:6px;border-radius:50%;background:var(--magenta);
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.icon-btn{
  width:44px;height:44px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-2);font-size:16px;border:1px solid transparent;
  transition:all .26s var(--ease);
}
.icon-btn:hover{color:var(--brand);background:#F5EFFD;border-color:var(--line);}
.icon-btn:focus-visible{outline:3px solid rgba(108,43,217,.35);outline-offset:2px;}
.menu-btn{display:none;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),background .26s var(--ease),color .26s var(--ease),border-color .26s var(--ease);
  cursor:pointer;white-space:nowrap;
}
.btn-sm{min-height:42px;padding:0 20px;font-size:14px;}
.btn-primary{background-image:var(--grad-brand);color:#fff;box-shadow:0 10px 24px rgba(108,43,217,.24);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 32px rgba(108,43,217,.3);background-image:linear-gradient(128deg,#6C2BD9 0%,#A62BD0 44%,#E2266B 100%);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(108,43,217,.24);}
.btn-primary:focus-visible{outline:3px solid rgba(108,43,217,.35);outline-offset:2px;}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--text);}
.btn-ghost:hover{border-color:rgba(108,43,217,.45);color:var(--brand);background:#F5EFFD;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-light{background:#fff;color:var(--dark);box-shadow:0 12px 26px rgba(0,0,0,.18);}
.btn-light:hover{color:var(--brand);transform:translateY(-2px);box-shadow:0 18px 34px rgba(0,0,0,.24);}
.btn-amber{background:var(--amber);color:#2A1B00;box-shadow:0 12px 26px rgba(255,176,32,.26);}
.btn-amber:hover{color:#2A1B00;transform:translateY(-2px);box-shadow:0 18px 34px rgba(255,176,32,.34);}
.link-btn{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand);padding-bottom:2px;
}
.link-btn::after{content:"";position:absolute;left:0;bottom:0;width:52px;height:2px;border-radius:2px;background-image:var(--grad-brand);transition:width .28s var(--ease);}
.link-btn:hover::after{width:100%;}
.link-btn::before{content:"";width:0;height:6px;border-radius:50%;background:var(--magenta);transition:width .28s var(--ease);}
.link-btn:hover::before{width:6px;}

/* ---------- hero ---------- */
.hero{
  position:relative;
  padding:76px 0 72px;
  background:
    radial-gradient(680px 320px at 12% 0%,rgba(108,43,217,.10),transparent 70%),
    radial-gradient(560px 300px at 92% 18%,rgba(226,38,107,.09),transparent 70%),
    var(--bg);
  overflow:hidden;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand);
  background:rgba(108,43,217,.09);
  border:1px solid rgba(108,43,217,.16);
  padding:7px 16px;border-radius:var(--r-pill);margin-bottom:22px;
}
.eyebrow i{font-size:12px;}
.hero h1{
  font-size:clamp(30px,4vw,50px);font-weight:800;line-height:1.2;
  letter-spacing:-0.015em;max-width:16em;
}
.hero-sub{
  margin-top:20px;font-size:17px;line-height:1.8;color:var(--text-2);max-width:32em;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-points{
  display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:34px;
  padding-top:26px;border-top:1px solid var(--line);
}
.hero-points li{
  display:flex;align-items:center;gap:9px;
  font-size:14px;color:var(--text-2);font-weight:500;
}
.hero-points li i{color:var(--teal);font-size:13px;}

.live-cover{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  aspect-ratio:16/9;background-image:var(--grad-brand);
  box-shadow:var(--sh-1);border:1px solid var(--line);
}
.live-cover img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease);}
.live-cover:hover img{transform:scale(1.04);}
.live-cover::after{
  content:"";position:absolute;inset:auto 0 0 0;height:60%;
  background:linear-gradient(to top,rgba(22,17,31,.78),rgba(22,17,31,0));
  pointer-events:none;
}
.cover-badge{
  position:absolute;left:18px;top:18px;z-index:2;
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 15px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;letter-spacing:.02em;
  background:rgba(255,255,255,.94);color:var(--dark);
}
.cover-badge .pulse{width:7px;height:7px;border-radius:50%;background:var(--magenta);}
.cover-meta{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  color:#fff;font-size:13px;font-weight:500;
}
.cover-meta .no{opacity:.86;}

/* ---------- countdown ---------- */
.countdown{
  display:flex;align-items:center;gap:10px;margin-top:18px;
  background:var(--dark);border-radius:var(--r-md);padding:16px 18px;
  border:1px solid rgba(255,255,255,.08);
}
.cd-item{
  flex:1 1 0;text-align:center;padding:6px 0;
  border-right:1px solid rgba(255,255,255,.08);
}
.cd-item:last-child{border-right:0;}
.cd-num{
  display:block;font-size:clamp(24px,2.6vw,36px);font-weight:700;line-height:1.1;
  color:var(--amber);font-variant-numeric:tabular-nums;
}
.cd-label{display:block;margin-top:4px;font-size:12px;color:rgba(255,255,255,.62);letter-spacing:.06em;}

/* ---------- section base ---------- */
.section{padding:var(--sec) 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:clamp(24px,2.6vw,34px);font-weight:700;}
.section-head p{margin-top:14px;font-size:16px;color:var(--text-2);}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-tag{
  display:inline-block;font-size:13px;font-weight:600;color:var(--magenta);
  letter-spacing:.08em;margin-bottom:12px;
}
.section-dark{background:var(--dark);color:#fff;}
.section-dark .section-head h2,.section-dark h2,.section-dark h3{color:#fff;}
.section-dark .section-head p,.section-dark p{color:rgba(255,255,255,.7);}

/* ---------- watch block ---------- */
.watch-grid{align-items:flex-start;}
.highlight-list{margin-top:8px;border-top:1px solid rgba(255,255,255,.1);}
.highlight-item{
  display:flex;gap:22px;padding:24px 18px 24px 14px;
  border-bottom:1px solid rgba(255,255,255,.1);
  border-left:3px solid transparent;
  transition:background .28s var(--ease),border-color .28s var(--ease);
}
.highlight-item:hover{background:rgba(255,255,255,.04);border-left-color:var(--magenta);}
.highlight-item .num{
  font-size:24px;font-weight:800;line-height:1.2;
  background-image:linear-gradient(118deg,#B983FF,#FF7FB0);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  flex:0 0 auto;font-variant-numeric:tabular-nums;
}
.highlight-item h3{font-size:18px;font-weight:600;margin-bottom:6px;}
.highlight-item p{font-size:14px;line-height:1.7;color:rgba(255,255,255,.66);margin:0;}

.subscribe-card{
  background:rgba(255,255,255,.045);
  border:1px solid rgba(255,255,255,.1);
  border-radius:var(--r-lg);padding:32px 28px;
}
.subscribe-card h3{font-size:22px;font-weight:700;}
.subscribe-card>p{margin-top:12px;font-size:14px;line-height:1.75;color:rgba(255,255,255,.68);}
.sub-form{display:flex;gap:10px;margin-top:22px;}
.sub-form input{
  flex:1 1 auto;min-width:0;height:48px;padding:0 16px;
  border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.96);color:var(--text);font-size:15px;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.sub-form input::placeholder{color:var(--text-3);}
.sub-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(108,43,217,.35);}
.sub-form .btn{flex:0 0 auto;}
.form-note{margin-top:12px;font-size:12px;color:rgba(255,255,255,.5);}
.form-state{margin-top:12px;font-size:13px;font-weight:600;display:none;}
.form-state.ok{display:block;color:var(--teal);}

.replay-strip{display:flex;gap:20px;margin-top:52px;overflow-x:auto;padding-bottom:8px;scroll-snap-type:x mandatory;}
.replay-strip::-webkit-scrollbar{height:6px;}
.replay-strip::-webkit-scrollbar-thumb{background:rgba(255,255,255,.18);border-radius:3px;}
.replay-card{
  flex:0 0 258px;scroll-snap-align:start;border-radius:var(--r-md);overflow:hidden;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
  transition:transform .3s var(--ease),border-color .3s var(--ease);
}
.replay-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.24);}
.replay-card .media{aspect-ratio:3/2;background-image:var(--grad-brand);overflow:hidden;}
.replay-card .media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease);}
.replay-card:hover .media img{transform:scale(1.04);}
.replay-body{padding:16px 18px 20px;}
.replay-body h3{font-size:15px;font-weight:600;line-height:1.55;}
.replay-tag{
  display:inline-flex;align-items:center;gap:6px;margin-bottom:9px;
  font-size:12px;font-weight:600;color:#7DE3D6;
}
.replay-tag i{font-size:11px;}

/* ---------- latest / cms ---------- */
.latest-blocks{margin-top:8px;}
.feature-row{display:grid;grid-template-columns:1.32fr 1fr;gap:28px;margin-bottom:28px;}
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.post-card{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(108,43,217,.32);}
.post-card .media{aspect-ratio:16/9;background-image:var(--grad-brand);overflow:hidden;}
.post-card .media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease);}
.post-card:hover .media img{transform:scale(1.04);}
.post-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.post-body h3{font-size:18px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card:hover h3{color:var(--brand);}
.post-body p{
  margin-top:10px;font-size:14px;line-height:1.72;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{display:flex;align-items:center;gap:12px;margin-bottom:12px;flex-wrap:wrap;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1.5;
}
.badge-cat{background:rgba(108,43,217,.1);color:var(--brand-hover);}
.badge-time{background:#F5F1FA;color:var(--text-3);font-weight:500;}
.post-more{margin-top:16px;}

.feature-main{display:flex;flex-direction:column;height:100%;}
.feature-main .media{aspect-ratio:16/9;background-image:var(--grad-brand);overflow:hidden;}
.feature-main .media img{width:100%;height:100%;object-fit:cover;transition:transform .32s var(--ease);}
.feature-main:hover .media img{transform:scale(1.04);}
.feature-side{display:flex;flex-direction:column;gap:28px;}
.mini-card{
  display:flex;gap:16px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:16px;box-shadow:var(--sh-1);flex:1 1 auto;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(108,43,217,.32);}
.mini-media{flex:0 0 108px;aspect-ratio:1/1;border-radius:var(--r-sm);overflow:hidden;background-image:var(--grad-brand);}
.mini-media img{width:100%;height:100%;object-fit:cover;}
.mini-body h3{font-size:16px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mini-card:hover h3{color:var(--brand);}
.mini-body p{margin-top:8px;font-size:13px;line-height:1.65;color:var(--text-3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

.empty-state{
  border:1.5px dashed #D9CCEC;border-radius:var(--r-lg);
  padding:56px 32px;text-align:center;background:rgba(255,255,255,.6);
}
.empty-state i{font-size:30px;color:var(--brand);opacity:.6;}
.empty-state p{margin-top:14px;font-size:15px;color:var(--text-2);}
.empty-state .link-btn{margin-top:16px;}

/* ---------- category entries ---------- */
.cat-layout{display:grid;grid-template-columns:1.45fr 1fr;gap:28px;margin-top:8px;}
.cat-hero-card{
  position:relative;display:block;border-radius:var(--r-lg);overflow:hidden;
  min-height:420px;background-image:var(--grad-brand);
  box-shadow:var(--sh-1);border:1px solid var(--line);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.cat-hero-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.cat-hero-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .34s var(--ease);}
.cat-hero-card:hover img{transform:scale(1.04);}
.cat-hero-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(to top,rgba(22,17,31,.82) 0%,rgba(22,17,31,.28) 48%,rgba(22,17,31,.05) 100%);
}
.cat-hero-body{position:absolute;left:0;right:0;bottom:0;padding:32px;z-index:2;color:#fff;}
.cat-hero-body span.k{font-size:12px;font-weight:600;letter-spacing:.1em;color:rgba(255,255,255,.72);}
.cat-hero-body h3{margin-top:10px;font-size:26px;font-weight:700;color:#fff;}
.cat-hero-body p{margin-top:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.78);max-width:34em;}
.cat-list{display:flex;flex-direction:column;gap:20px;}
.cat-item{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 24px;box-shadow:var(--sh-1);flex:1 1 auto;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.cat-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(108,43,217,.32);}
.cat-item h3{font-size:18px;font-weight:600;}
.cat-item p{margin-top:6px;font-size:13px;color:var(--text-3);}
.cat-item .arrow{
  flex:0 0 auto;width:38px;height:38px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(108,43,217,.08);color:var(--brand);font-size:14px;
  transition:background .28s var(--ease),color .28s var(--ease);
}
.cat-item:hover .arrow{background-image:var(--grad-brand);color:#fff;}

/* ---------- stats ---------- */
.stats{display:flex;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);}
.stat-item{flex:1 1 0;padding:34px 26px;border-right:1px solid var(--line);}
.stat-item:last-child{border-right:0;}
.stat-no{font-size:12px;font-weight:700;color:var(--text-3);letter-spacing:.1em;}
.stat-value{
  display:block;margin-top:10px;font-size:clamp(26px,3vw,38px);font-weight:800;
  font-variant-numeric:tabular-nums;line-height:1.1;
  background-image:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-desc{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.7;}
.stat-desc .hint{display:block;font-size:13px;color:var(--text-3);margin-top:4px;}

/* ---------- faq ---------- */
.faq-wrap{max-width:880px;margin:0 auto;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:24px 40px 24px 18px;font-size:17px;font-weight:600;color:var(--text);
  border-left:3px solid transparent;
  transition:background .26s var(--ease),border-color .26s var(--ease),color .26s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:#F7F2FD;border-left-color:var(--brand);color:var(--brand);}
.faq-item summary:focus-visible{outline:3px solid rgba(108,43,217,.35);outline-offset:-3px;}
.faq-item summary i{
  position:absolute;right:14px;top:50%;transform:translateY(-50%);
  font-size:13px;color:var(--brand);transition:transform .28s var(--ease);
}
.faq-item[open] summary{border-left-color:var(--brand);color:var(--brand);}
.faq-item[open] summary i{transform:translateY(-50%) rotate(180deg);}
.faq-answer{padding:0 40px 26px 18px;font-size:15px;line-height:1.85;color:var(--text-2);}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  background-image:linear-gradient(118deg,#3B1476 0%,#6C2BD9 46%,#A31B55 100%);
  padding:64px 56px;display:flex;align-items:center;justify-content:space-between;gap:36px;
  border:1px solid rgba(255,255,255,.1);
}
.cta-band h2{font-size:clamp(24px,2.8vw,34px);font-weight:700;color:#fff;max-width:22em;}
.cta-band p{margin-top:14px;font-size:15px;color:rgba(255,255,255,.78);max-width:36em;}
.cta-actions{display:flex;flex-direction:column;gap:14px;flex:0 0 auto;}
.cta-actions .note{font-size:12px;color:rgba(255,255,255,.6);text-align:center;}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.8);padding:72px 0 0;margin-top:var(--sec);}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px;}
.footer-brand .brand-text{color:#fff;}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6);max-width:30em;}
.footer-col h4{font-size:14px;font-weight:600;color:rgba(255,255,255,.5);letter-spacing:.04em;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:15px;color:rgba(255,255,255,.8);position:relative;padding-left:0;transition:padding-left .26s var(--ease),color .26s var(--ease);}
.footer-col a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:0;height:6px;border-radius:50%;background:var(--magenta);transition:width .26s var(--ease);
}
.footer-col a:hover{color:#fff;padding-left:14px;}
.footer-col a:hover::before{width:6px;}
.footer-sub-form{display:flex;gap:10px;margin-top:4px;}
.footer-sub-form input{
  flex:1 1 auto;min-width:0;height:46px;padding:0 15px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);
  color:#fff;font-size:14px;
}
.footer-sub-form input::placeholder{color:rgba(255,255,255,.42);}
.footer-sub-form input:focus{outline:none;border-color:rgba(255,255,255,.5);box-shadow:0 0 0 3px rgba(255,255,255,.1);}
.footer-note{margin-top:12px;font-size:12px;color:rgba(255,255,255,.45);line-height:1.7;}
.footer-bottom{
  margin-top:56px;padding:22px 0 26px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.45);
}
.footer-bottom .dot{margin:0 8px;opacity:.5;}

/* ---------- reveal / misc ---------- */
.media{position:relative;overflow:hidden;}
.section-alt{background:#fff;}

@media (max-width:1199px){
  :root{--sec:80px;}
  .grid-container{padding-left:28px;padding-right:28px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:34px;}
  .footer-sub-col{grid-column:1 / -1;}
}
@media (max-width:991px){
  :root{--sec:72px;}
  .grid-container{padding-left:24px;padding-right:24px;}
  .menu-btn{display:inline-flex;}
  .main-nav{
    position:fixed;top:64px;left:0;right:0;bottom:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:20px 24px 40px;
    transform:translateX(102%);transition:transform .3s var(--ease);
    box-shadow:-12px 0 40px rgba(22,17,31,.14);overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-link{font-size:20px;font-weight:600;padding:18px 4px;border-bottom:1px solid var(--line);color:var(--text);}
  .nav-link::after{display:none;}
  .nav-link.is-active{color:var(--brand);}
  .nav-link.is-active::before{position:static;transform:none;display:inline-block;margin-right:10px;}
  .hero{padding:56px 0 56px;}
  .feature-row{grid-template-columns:1fr;gap:24px;}
  .post-grid{grid-template-columns:repeat(2,1fr);gap:24px;}
  .cat-layout{grid-template-columns:1fr;}
  .cat-hero-card{min-height:340px;}
  .stats{flex-wrap:wrap;}
  .stat-item{flex:1 1 50%;border-bottom:1px solid var(--line);}
  .stat-item:nth-child(2n){border-right:0;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:48px 34px;}
  .cta-actions{width:100%;flex-direction:row;}
  .cta-actions .note{display:none;}
  .highlight-item{gap:16px;padding:20px 14px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--sec:56px;}
  .grid-container{padding-left:18px;padding-right:18px;}
  .grid-x.gutter{margin-left:-8px;margin-right:-8px;}
  .grid-x.gutter>.cell{padding-left:8px;padding-right:8px;}
  .header-inner{min-height:62px;gap:12px;}
  .brand-text{font-size:15px;}
  .btn{padding:0 20px;font-size:14px;}
  .hero-sub{font-size:16px;}
  .hero-cta{gap:12px;}
  .hero-cta .btn{flex:1 1 100%;}
  .hero-points{gap:10px 20px;}
  .countdown{padding:12px 10px;gap:4px;}
  .cd-num{font-size:20px;}
  .cd-label{font-size:11px;}
  .highlight-item{flex-direction:row;align-items:flex-start;}
  .highlight-item .num{font-size:20px;}
  .subscribe-card{padding:26px 20px;}
  .sub-form{flex-direction:column;}
  .sub-form .btn{width:100%;}
  .post-grid{grid-template-columns:1fr;}
  .mini-card{flex-direction:column;}
  .mini-media{flex:0 0 auto;width:100%;aspect-ratio:16/9;}
  .replay-card{flex:0 0 220px;}
  .stat-item{flex:1 1 100%;border-right:0;padding:26px 22px;}
  .faq-answer{padding-right:22px;}
  .cta-band{padding:38px 22px;border-radius:var(--r-md);}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-sub-form{flex-direction:column;}
  .footer-sub-form .btn{width:100%;}
  .post-card:hover,.mini-card:hover,.cat-item:hover,.replay-card:hover{transform:none;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: article */
:root{
  --brand-1:#6C2BD9;
  --brand-2:#A62BD0;
  --brand-3:#E2266B;
  --brand-grad:linear-gradient(118deg,#6C2BD9 0%,#A62BD0 46%,#E2266B 100%);
  --brand-hover:#5420B8;
  --accent:#E2266B;
  --teal:#14B8A6;
  --amber:#FFB020;
  --bg:#FAF7FC;
  --surface:#FFFFFF;
  --surface-soft:#F5EFFD;
  --dark:#16111F;
  --text:#1A1520;
  --text-2:#4A4354;
  --text-3:#7C7488;
  --line:#ECE5F3;
  --r-lg:26px;
  --r-md:20px;
  --r-sm:14px;
  --r-pill:999px;
  --sh:0 1px 2px rgba(108,43,217,.05), 0 14px 34px rgba(108,43,217,.09);
  --sh-hover:0 20px 44px rgba(108,43,217,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec:96px;
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-1);text-decoration:none;transition:color .24s var(--ease)}
a:hover{color:var(--brand-hover)}
h1,h2,h3,h4{color:var(--text);margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(108,43,217,.35);outline-offset:2px;border-radius:6px}
.grid-container{width:100%;max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px}
.section{padding:var(--sec) 0}
.section-head{max-width:720px;margin-bottom:34px}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.25}
.section-head p{margin-top:12px;color:var(--text-3);font-size:15px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.08em;color:var(--brand-1);
  margin-bottom:14px;text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--brand-grad)}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(250,247,252,.94);
  backdrop-filter:saturate(170%) blur(12px);
  -webkit-backdrop-filter:saturate(170%) blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .3s var(--ease)}
.site-header.is-scrolled .header-inner{height:64px}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(108,43,217,.07)}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:30px;height:30px;border-radius:9px;background:var(--brand-grad);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(108,43,217,.28);
}
.brand-dot{width:8px;height:8px;border-radius:50%;background:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.25)}
.brand-text{font-size:17px;font-weight:800;color:var(--text);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:32px;flex:1 1 auto;justify-content:center}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);
  padding:6px 0;white-space:nowrap;
}
.nav-link::before{
  content:"";position:absolute;left:-12px;top:50%;transform:translateY(-50%) scale(0);
  width:6px;height:6px;border-radius:50%;background:var(--accent);transition:transform .24s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;border-radius:2px;
  background:var(--brand-grad);transition:width .26s var(--ease);
}
.nav-link:hover{color:var(--brand-1)}
.nav-link:hover::after{width:22px}
.nav-link.is-active{color:var(--text);font-weight:600}
.nav-link.is-active::before{transform:translateY(-50%) scale(1)}
.nav-link.is-active::after{width:22px}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:44px;height:44px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--text-2);
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
  transition:all .24s var(--ease);
}
.icon-btn:hover{color:var(--brand-1);border-color:rgba(108,43,217,.35);background:var(--surface-soft)}
.menu-btn{display:none}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border:0;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),background-color .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-primary{background:var(--brand-grad);background-size:180% 180%;color:#fff;box-shadow:0 10px 24px rgba(108,43,217,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(108,43,217,.34);color:#fff;background-position:100% 0}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--text);border:1px solid var(--line)}
.btn-ghost:hover{color:var(--brand-1);border-color:rgba(108,43,217,.4);background:var(--surface-soft)}
.btn-light{background:#fff;color:var(--text)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(0,0,0,.22);color:var(--brand-hover)}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;color:var(--brand-1);font-weight:600;font-size:15px;
  padding:6px 0;position:relative;
}
.btn-text::after{content:"";position:absolute;left:0;bottom:0;width:38px;height:2px;border-radius:2px;background:var(--brand-grad);transition:width .26s var(--ease)}
.btn-text:hover::after{width:100%}
.btn-text:hover::before{content:"●";font-size:8px;color:var(--accent);line-height:1}
.btn-text.is-plain::after{display:none}

/* ---------- Badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-cat{background:var(--surface-soft);color:var(--brand-1)}
.badge-live{background:rgba(226,38,107,.1);color:#B01653}
.badge-live i{font-size:7px}
.badge-amber{background:rgba(255,176,32,.16);color:#8A5A00}
.badge-teal{background:rgba(20,184,166,.14);color:#0B7A6E}

/* ---------- Article layout ---------- */
.article-shell{padding:36px 0 0}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:18px;
}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--brand-1)}
.breadcrumb .sep{color:#C9BFD8;font-size:11px}
.breadcrumb .current{color:var(--brand-1);font-weight:600;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{max-width:900px}
.article-head h1{font-size:clamp(28px,4vw,46px);line-height:1.22;font-weight:800;letter-spacing:-.02em}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:16px;margin-top:20px;font-size:14px;color:var(--text-3)}
.meta-item{display:inline-flex;align-items:center;gap:7px}
.meta-item i{color:#B9AECB}
.article-cover{
  margin:32px 0 0;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:var(--brand-grad);
  aspect-ratio:16/9;box-shadow:var(--sh);
}
.article-cover img{width:100%;height:100%;object-fit:cover}

.article-main{padding:52px 0 0}
.article-body{
  max-width:760px;margin:0 auto;
  font-size:17px;line-height:1.9;color:var(--text-2);
}
.article-body > * + *{margin-top:1.2em}
.article-body p{font-size:17px;line-height:1.9}
.article-body h2{
  font-size:clamp(22px,2.4vw,28px);line-height:1.35;font-weight:700;
  margin-top:1.9em;padding-left:16px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;background:var(--brand-grad);
}
.article-body h3{font-size:20px;line-height:1.45;font-weight:600;margin-top:1.6em;color:var(--text)}
.article-body h3::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--accent);margin-right:10px;vertical-align:middle}
.article-body a{font-weight:600;border-bottom:1px solid rgba(108,43,217,.3)}
.article-body strong{color:var(--text);font-weight:700}
.article-body blockquote{
  margin:1.6em 0;padding:18px 24px;border-left:3px solid var(--brand-1);
  background:var(--surface-soft);border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--text-2);font-size:16px;
}
.article-body ul,.article-body ol{padding-left:1.3em;list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.5em 0;line-height:1.85}
.article-body img{border-radius:16px;margin:1.6em auto;width:100%;height:auto}
.article-body figure{margin:1.8em 0}
.article-body figcaption{margin-top:10px;font-size:13px;color:var(--text-3);text-align:center}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.6em 0;display:block;overflow-x:auto;white-space:nowrap}
.article-body th,.article-body td{border-bottom:1px solid var(--line);padding:12px 14px;text-align:left}
.article-body thead th{background:var(--surface-soft);color:var(--text)}
.article-body tbody tr:nth-child(even){background:#FDFBFF}
.article-body code{background:var(--surface-soft);padding:2px 7px;border-radius:8px;font-size:14px;color:var(--brand-1)}

.article-tags{max-width:760px;margin:44px auto 0;display:flex;align-items:center;flex-wrap:wrap;gap:12px;padding-top:26px;border-top:1px solid var(--line)}

.empty-state{
  border:1.5px dashed #D9CCEC;border-radius:var(--r-lg);
  padding:56px 28px;text-align:center;background:#fff;
}
.empty-state i{font-size:30px;color:#B9AECB}
.empty-state p{margin:16px 0 14px;font-size:17px;color:var(--text);font-weight:600}

.foot-nav{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:900px;margin:34px auto 0}
.foot-nav-card{
  display:block;padding:22px 24px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);transition:all .3s var(--ease);
}
.foot-nav-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(108,43,217,.3)}
.foot-nav-label{display:block;font-size:13px;color:var(--text-3);margin-bottom:8px}
.foot-nav-card strong{display:block;font-size:17px;color:var(--text);font-weight:600;line-height:1.5}
.foot-nav-next{text-align:right}
.foot-nav-next .foot-nav-label{color:var(--brand-1)}

/* ---------- Cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(108,43,217,.3)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--brand-grad)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease)}
.card:hover .card-media img{transform:scale(1.04)}
.card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(22,17,31,0) 46%,rgba(22,17,31,.55) 100%);
}
.card-media .badge{position:absolute;top:14px;left:14px;z-index:2;background:rgba(255,255,255,.94);color:var(--brand-1)}
.card-body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1 1 auto}
.card-body h3{font-size:18px;line-height:1.5;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{
  margin-top:10px;font-size:14px;color:var(--text-3);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{margin-top:18px;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--text-3)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:linear-gradient(118deg,#2A1450 0%,#4A1873 48%,#7A1B52 100%);
  padding:56px 48px;color:#fff;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(226,38,107,.4),transparent 66%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.cta-text h2{color:#fff;font-size:clamp(22px,2.8vw,32px);line-height:1.3}
.cta-text p{margin-top:14px;color:rgba(255,255,255,.74);font-size:15px}
.cta-form{display:flex;gap:12px;background:rgba(255,255,255,.08);padding:10px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.12)}
.cta-form input{
  flex:1 1 auto;height:48px;border:0;border-radius:var(--r-pill);
  padding:0 20px;font-size:15px;color:var(--text);background:#fff;font-family:inherit;
}
.cta-form input::placeholder{color:#9A90A8}
.cta-form input:focus{outline:3px solid rgba(255,176,32,.5)}
.cta-note{margin-top:14px;font-size:13px;color:rgba(255,255,255,.6)}
.form-msg{margin-top:12px;font-size:13px;display:none}
.form-msg.is-ok{display:block;color:#7FF0E0}
.form-msg.is-err{display:block;color:#FFA8C6}

/* ---------- Footer ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.8);margin-top:var(--sec);padding:70px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .brand-text{color:#fff}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6)}
.site-footer h4{color:rgba(255,255,255,.5);font-size:14px;font-weight:600;margin-bottom:16px;letter-spacing:.04em}
.site-footer li{margin:9px 0}
.site-footer li a{position:relative;color:rgba(255,255,255,.8);font-size:15px;padding-left:0;transition:all .24s var(--ease)}
.site-footer li a::before{
  content:"";display:inline-block;width:0;height:6px;border-radius:50%;
  background:var(--brand-3);vertical-align:middle;margin-right:0;
  transition:all .24s var(--ease);
}
.site-footer li a:hover{color:#fff}
.site-footer li a:hover::before{width:6px;margin-right:8px}
.footer-sub-form{display:flex;gap:10px}
.footer-sub-form input{
  flex:1 1 auto;min-width:0;height:42px;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);color:#fff;padding:0 16px;font-size:14px;font-family:inherit;
}
.footer-sub-form input::placeholder{color:rgba(255,255,255,.4)}
.footer-sub-form input:focus{outline:none;border-color:rgba(255,176,32,.7);box-shadow:0 0 0 3px rgba(255,176,32,.2)}
.footer-note{margin-top:12px;font-size:12px;color:rgba(255,255,255,.45);line-height:1.7}
.footer-bottom{
  margin-top:46px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom .dot{margin:0 8px;color:rgba(255,255,255,.25)}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  :root{--sec:78px}
  .grid-container{padding-left:24px;padding-right:24px}
  .main-nav{gap:22px}
}
@media (max-width:991px){
  :root{--sec:66px}
  .main-nav{
    position:fixed;left:0;right:0;top:64px;
    display:none;flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:12px 24px 24px;
    border-bottom:1px solid var(--line);
    box-shadow:0 22px 44px rgba(108,43,217,.12);
    max-height:calc(100vh - 64px);overflow-y:auto;
  }
  .main-nav.is-open{display:flex}
  .main-nav .nav-link{font-size:20px;padding:16px 4px;border-bottom:1px solid var(--line);width:100%}
  .main-nav .nav-link:last-child{border-bottom:0}
  .nav-link::after{display:none}
  .menu-btn{display:inline-flex}
  .header-actions .btn-sm{display:none}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
  .cta-inner{grid-template-columns:1fr;gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .article-body{font-size:16.5px}
}
@media (max-width:767px){
  .grid-container{padding-left:18px;padding-right:18px}
  .site-header.is-scrolled .header-inner{height:60px}
  .main-nav{top:60px}
  .brand-text{font-size:15.5px}
  .article-shell{padding-top:24px}
  .article-cover{margin-top:24px;border-radius:var(--r-md)}
  .article-main{padding-top:36px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body p{font-size:16px}
  .article-body blockquote{padding:14px 16px}
  .foot-nav{grid-template-columns:1fr}
  .foot-nav-next{text-align:left}
  .card-grid{grid-template-columns:1fr;gap:18px}
  .card:hover{transform:none}
  .cta-band{padding:32px 22px;border-radius:var(--r-md)}
  .cta-form{flex-direction:column;border-radius:var(--r-md);padding:12px}
  .cta-form .btn,.cta-form input{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;gap:8px}
  .section{padding:56px 0}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
/* ============ 设计令牌 ============ */
:root{
  --brand-1:#6C2BD9;
  --brand-2:#A62BD0;
  --brand-3:#E2266B;
  --grad:linear-gradient(118deg,#6C2BD9 0%,#A62BD0 46%,#E2266B 100%);
  --brand-hover:#5420B8;
  --teal:#14B8A6;
  --amber:#FFB020;
  --bg:#FAF7FC;
  --surface:#FFFFFF;
  --dark:#16111F;
  --ink:#1A1520;
  --ink-2:#4A4354;
  --ink-3:#7C7488;
  --line:#ECE5F3;
  --line-soft:#F3EDF9;
  --radius-lg:26px;
  --radius-md:20px;
  --radius-sm:14px;
  --radius-pill:999px;
  --shadow-sm:0 1px 2px rgba(108,43,217,.05),0 14px 34px rgba(108,43,217,.09);
  --shadow-md:0 20px 44px rgba(108,43,217,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
/* ============ 基础 reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;background-color:transparent;}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;font-family:var(--font);color:var(--ink);line-height:1.25;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
figure{margin:0;}
summary{cursor:pointer;}
::selection{background:rgba(108,43,217,.18);}
:focus-visible{outline:3px solid rgba(108,43,217,.35);outline-offset:2px;border-radius:6px;}
/* ============ 容器 ============ */
.grid-container{
  max-width:1200px;
  padding-left:32px;
  padding-right:32px;
}
.grid-x.grid-padding-x{margin-left:-14px;margin-right:-14px;}
.grid-x.grid-padding-x>.cell{padding-left:14px;padding-right:14px;}
/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  transition:height .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease);
  height:72px;
}
.site-header.is-scrolled{height:64px;box-shadow:0 8px 26px rgba(108,43,217,.07);}
.header-inner{
  height:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{display:inline-flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{
  width:30px;height:30px;border-radius:11px;
  background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(108,43,217,.28);
  position:relative;
}
.brand-dot{
  width:8px;height:8px;border-radius:50%;
  background:#fff;
  box-shadow:0 0 0 3px rgba(255,255,255,.32);
}
.brand-text{
  font-size:18px;font-weight:800;letter-spacing:-.01em;color:var(--ink);
  white-space:nowrap;
}
.main-nav{display:flex;align-items:center;gap:32px;flex:1 1 auto;justify-content:center;}
.nav-link{
  position:relative;
  font-size:15px;font-weight:500;color:var(--ink-2);
  padding:6px 2px;
  transition:color .24s var(--ease);
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:-2px;width:0;height:2px;
  background:var(--grad);border-radius:2px;
  transform:translateX(-50%);
  transition:width .26s var(--ease);
}
.nav-link::before{
  content:"";position:absolute;left:-11px;top:50%;width:6px;height:6px;border-radius:50%;
  background:var(--brand-3);opacity:0;transform:translateY(-50%) scale(.6);
  transition:opacity .26s var(--ease),transform .26s var(--ease);
}
.nav-link:hover{color:var(--brand-1);}
.nav-link:hover::after{width:16px;}
.nav-link.is-active{color:var(--ink);font-weight:600;}
.nav-link.is-active::after{width:100%;}
.nav-link.is-active::before{opacity:1;transform:translateY(-50%) scale(1);}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.icon-btn{
  width:44px;height:44px;border-radius:50%;
  border:1px solid var(--line);
  background:#fff;color:var(--ink-2);
  display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;
  transition:color .24s var(--ease),border-color .24s var(--ease),background .24s var(--ease),transform .24s var(--ease);
}
.icon-btn:hover{color:var(--brand-1);border-color:rgba(108,43,217,.35);background:#F7F2FD;transform:translateY(-1px);}
.icon-btn:active{transform:translateY(1px);}
.menu-btn{display:none;}
/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;
  border:1px solid transparent;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;white-space:nowrap;
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),background .26s var(--ease),color .26s var(--ease),border-color .26s var(--ease);
}
.btn-sm{min-height:40px;padding:0 20px;font-size:14px;}
.btn-primary{
  background:var(--grad);
  background-size:150% 150%;
  color:#fff;
  box-shadow:0 10px 24px rgba(108,43,217,.24);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 18px 36px rgba(108,43,217,.3);
  background-position:100% 50%;
  color:#fff;
}
.btn-primary:active{transform:translateY(1px);box-shadow:0 8px 18px rgba(108,43,217,.22);}
.btn-ghost{
  background:#fff;color:var(--ink);border-color:var(--line);
}
.btn-ghost:hover{color:var(--brand-1);border-color:rgba(108,43,217,.4);background:#F6F1FE;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-light{background:#fff;color:var(--ink);border-color:#fff;}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(0,0,0,.24);color:var(--brand-1);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px);}
.text-link{
  position:relative;display:inline-flex;align-items:center;
  font-size:15px;font-weight:600;color:var(--brand-1);
  padding-bottom:4px;
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:0;width:32px;height:2px;border-radius:2px;
  background:var(--grad);
  transition:width .28s var(--ease);
}
.text-link:hover::after{width:100%;}
.text-link::before{
  content:"";width:0;height:6px;border-radius:50%;background:var(--brand-3);
  transition:width .28s var(--ease),margin-right .28s var(--ease);
}
.text-link:hover::before{width:6px;margin-right:7px;}
/* ============ 徽章与标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:var(--radius-pill);
  font-size:12.5px;font-weight:600;line-height:1;
}
.badge-live{background:rgba(226,38,107,.12);color:#B4164F;}
.badge-live i{font-size:8px;}
.badge-plan{background:rgba(108,43,217,.12);color:#57219F;}
.badge-soon{background:rgba(255,176,32,.18);color:#9A6200;}
.badge-teal{background:rgba(20,184,166,.13);color:#0B7A6E;}
.badge-soft{background:var(--line-soft);color:var(--ink-2);}
/* ============ Hero ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--dark) url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:#fff;
  padding:44px 0 72px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(22,17,31,.95) 0%,rgba(74,28,140,.82) 52%,rgba(226,38,107,.55) 100%);
}
.page-hero .grid-container{position:relative;z-index:1;}
.breadcrumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.66);
  margin-bottom:22px;
}
.breadcrumb a{color:rgba(255,255,255,.8);transition:color .22s var(--ease);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{opacity:.5;}
.breadcrumb .current{color:rgba(255,255,255,.58);}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:600;letter-spacing:.02em;
  color:#F2D9FF;
  padding:7px 16px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.16);
  margin-bottom:20px;
}
.eyebrow .pulse{
  width:8px;height:8px;border-radius:50%;background:var(--brand-3);
  box-shadow:0 0 0 4px rgba(226,38,107,.24);
  animation:pulse 2.2s infinite;
}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 4px rgba(226,38,107,.24);}
  50%{box-shadow:0 0 0 8px rgba(226,38,107,.1);}
}
.page-hero h1{
  font-size:clamp(30px,4vw,50px);
  font-weight:800;
  line-height:1.2;
  color:#fff;
  letter-spacing:-.02em;
}
.h1-soft{
  display:block;
  margin-top:12px;
  font-size:clamp(16px,1.7vw,21px);
  font-weight:500;
  line-height:1.6;
  color:rgba(255,255,255,.72);
  letter-spacing:0;
}
.hero-lede{
  margin-top:20px;
  max-width:560px;
  font-size:16.5px;
  line-height:1.8;
  color:rgba(255,255,255,.8);
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.stat-badges{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
}
.stat-badge{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius-md);
  padding:20px 20px 18px;
  transition:border-color .28s var(--ease),transform .28s var(--ease),background .28s var(--ease);
}
.stat-badge:hover{transform:translateY(-4px);border-color:rgba(255,176,32,.4);background:rgba(255,255,255,.1);}
.stat-num{
  display:flex;align-items:baseline;gap:4px;
  font-size:34px;font-weight:700;line-height:1;
  color:var(--amber);
  font-variant-numeric:tabular-nums;
}
.stat-num .stat-unit{font-size:14px;font-weight:600;color:rgba(255,255,255,.7);}
.stat-label{
  display:block;margin-top:10px;
  font-size:13px;color:rgba(255,255,255,.7);line-height:1.5;
}
/* ============ 板块通用 ============ */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:720px;margin-bottom:36px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-1);
  margin-bottom:14px;
}
.section-kicker::before{
  content:"";width:18px;height:2px;border-radius:2px;background:var(--grad);
}
.section-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;}
.section-head p{margin-top:14px;font-size:16px;line-height:1.8;color:var(--ink-2);}
.section-alt{background:#fff;}
/* ============ 时间轴日程 ============ */
.schedule{
  position:relative;
  display:flex;flex-direction:column;
  gap:18px;
  margin-top:8px;
}
.schedule::before{
  content:"";
  position:absolute;
  left:95px;top:18px;bottom:18px;width:2px;
  border-radius:2px;
  background:linear-gradient(180deg,rgba(108,43,217,.55) 0%,rgba(166,43,208,.4) 45%,rgba(226,38,107,.28) 100%);
}
.schedule-row{
  display:grid;
  grid-template-columns:96px minmax(0,1fr);
  gap:28px;
}
.rail{position:relative;padding-top:26px;text-align:right;}
.rail-time{
  display:block;
  font-size:16px;font-weight:700;color:var(--ink);
  font-variant-numeric:tabular-nums;
  letter-spacing:.01em;
}
.rail-note{
  display:block;margin-top:4px;
  font-size:12px;color:var(--ink-3);
}
.rail-dot{
  position:absolute;
  right:-7px;top:32px;
  width:14px;height:14px;border-radius:50%;
  background:#fff;
  border:3px solid var(--brand-1);
  box-shadow:0 0 0 4px rgba(108,43,217,.1);
}
.rail-dot.is-live{border-color:var(--brand-3);box-shadow:0 0 0 4px rgba(226,38,107,.14);}
.rail-dot.is-soon{border-color:var(--amber);box-shadow:0 0 0 4px rgba(255,176,32,.16);}
.rail-dot.is-done{border-color:var(--teal);box-shadow:0 0 0 4px rgba(20,184,166,.14);}
.slot-card{
  display:grid;
  grid-template-columns:168px minmax(0,1fr);
  gap:22px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  padding:20px;
  box-shadow:var(--shadow-sm);
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.slot-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-md);
  border-color:rgba(108,43,217,.3);
}
.slot-thumb{
  position:relative;
  border-radius:var(--radius-sm);
  overflow:hidden;
  aspect-ratio:4/3;
  background:var(--grad);
}
.slot-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .4s var(--ease);
}
.slot-card:hover .slot-thumb img{transform:scale(1.05);}
.slot-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px;}
.slot-body h3{font-size:19px;font-weight:600;line-height:1.4;}
.slot-body p{
  margin-top:10px;
  font-size:14.5px;line-height:1.75;color:var(--ink-2);
}
.slot-meta{
  display:flex;flex-wrap:wrap;gap:8px 18px;
  margin-top:14px;
  font-size:13px;color:var(--ink-3);
}
.slot-meta span{display:inline-flex;align-items:center;gap:6px;}
.slot-meta i{color:var(--brand-2);font-size:12px;}
.slot-foot{margin-top:16px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;}
/* ============ 回放条 ============ */
.replay-strip{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.replay-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.replay-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(108,43,217,.3);}
.replay-thumb{position:relative;aspect-ratio:3/2;overflow:hidden;background:var(--grad);}
.replay-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease);}
.replay-card:hover .replay-thumb img{transform:scale(1.05);}
.replay-thumb .badge{position:absolute;left:14px;top:14px;}
.replay-body{padding:18px 20px 22px;}
.replay-body h3{font-size:17px;font-weight:600;line-height:1.45;}
.replay-body .replay-time{
  display:block;margin-top:10px;
  font-size:13px;color:var(--ink-3);
  font-variant-numeric:tabular-nums;
}
/* ============ 订阅提醒 ============ */
.remind-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  padding:44px;
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:44px;
  align-items:center;
}
.remind-copy h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;}
.remind-copy p{margin-top:14px;font-size:15.5px;line-height:1.8;color:var(--ink-2);}
.remind-list{margin-top:20px;display:flex;flex-direction:column;gap:10px;}
.remind-list li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14.5px;color:var(--ink-2);
}
.remind-list i{color:var(--teal);font-size:13px;margin-top:5px;}
.remind-form .field-row{display:flex;gap:12px;}
.remind-form input{
  flex:1 1 auto;min-width:0;
  height:48px;
  padding:0 18px;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  background:#fff;
  color:var(--ink);
  font-size:15px;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.remind-form input::placeholder{color:var(--ink-3);}
.remind-form input:focus{
  outline:none;
  border-color:var(--brand-1);
  box-shadow:0 0 0 3px rgba(108,43,217,.16);
}
.remind-form .btn{flex:0 0 auto;}
.form-note{margin-top:12px;font-size:12.5px;color:var(--ink-3);}
.form-msg{
  display:none;
  margin-top:14px;
  padding:12px 16px;
  border-radius:var(--radius-sm);
  font-size:14px;
  border:1px solid transparent;
}
.form-msg.is-ok{display:block;color:#0B7A6E;border-color:rgba(20,184,166,.4);background:rgba(20,184,166,.07);}
.form-msg.is-err{display:block;color:#B4164F;border-color:rgba(226,38,107,.4);background:rgba(226,38,107,.06);}
/* ============ 数据带 ============ */
.stat-band{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.stat-item{
  padding:34px 26px;
  border-right:1px solid var(--line);
  transition:background .28s var(--ease);
}
.stat-item:last-child{border-right:0;}
.stat-item:hover{background:#fff;}
.stat-item .idx{
  display:block;
  font-size:13px;font-weight:700;color:var(--brand-2);
  letter-spacing:.14em;
  font-variant-numeric:tabular-nums;
  margin-bottom:12px;
}
.stat-item .val{
  display:flex;align-items:baseline;gap:4px;
  font-size:32px;font-weight:700;line-height:1;
  font-variant-numeric:tabular-nums;
  color:var(--ink);
}
.stat-item .val em{font-style:normal;font-size:14px;font-weight:600;color:var(--ink-3);}
.stat-item p{margin-top:12px;font-size:14px;line-height:1.7;color:var(--ink-2);}
/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;
  position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 8px 22px 20px;
  font-size:17px;font-weight:600;color:var(--ink);
  transition:color .24s var(--ease),background .24s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:3px;
  background:var(--grad);
  opacity:0;
  transition:opacity .26s var(--ease);
}
.faq-item[open] summary::before{opacity:1;}
.faq-item summary:hover{color:var(--brand-1);background:#FBF7FF;}
.faq-icon{
  flex:0 0 auto;
  width:30px;height:30px;border-radius:50%;
  border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-3);font-size:12px;
  transition:transform .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease);
}
.faq-item[open] .faq-icon{transform:rotate(180deg);color:var(--brand-1);border-color:rgba(108,43,217,.4);}
.faq-answer{
  padding:0 24px 26px 20px;
  max-width:860px;
  font-size:15px;line-height:1.85;color:var(--ink-2);
}
/* ============ CTA 带 ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  border-radius:var(--radius-lg);
  padding:56px 60px;
  background:var(--dark);
  color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  flex-wrap:wrap;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(118deg,rgba(108,43,217,.72) 0%,rgba(166,43,208,.42) 48%,rgba(226,38,107,.5) 100%);
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-lg);
}
.cta-copy,.cta-actions{position:relative;z-index:1;}
.cta-copy{max-width:620px;}
.cta-copy h2{color:#fff;font-size:clamp(22px,2.6vw,32px);font-weight:700;line-height:1.35;}
.cta-copy p{margin-top:14px;font-size:15.5px;color:rgba(255,255,255,.78);}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
/* ============ 页脚 ============ */
.site-footer{
  background:var(--dark);
  color:#fff;
  padding:72px 0 32px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:44px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:18px;}
.footer-brand .brand-text{color:#fff;font-size:17px;}
.footer-about{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px;}
.footer-col h4{
  font-size:14px;font-weight:600;color:rgba(255,255,255,.6);
  margin-bottom:18px;
  letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col ul a{
  position:relative;
  font-size:15px;color:rgba(255,255,255,.8);
  transition:color .24s var(--ease),padding-left .24s var(--ease);
}
.footer-col ul a::before{
  content:"";position:absolute;left:0;top:50%;width:0;height:5px;border-radius:50%;
  background:var(--brand-3);transform:translateY(-50%);
  transition:width .24s var(--ease);
}
.footer-col ul a:hover{color:#fff;padding-left:12px;}
.footer-col ul a:hover::before{width:5px;}
.footer-sub-form{display:flex;gap:10px;}
.footer-sub-form input{
  flex:1 1 auto;min-width:0;
  height:42px;padding:0 16px;
  border-radius:var(--radius-pill);
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.06);
  color:#fff;font-size:14px;
  transition:border-color .24s var(--ease),background .24s var(--ease);
}
.footer-sub-form input::placeholder{color:rgba(255,255,255,.5);}
.footer-sub-form input:focus{outline:none;border-color:rgba(255,176,32,.7);background:rgba(255,255,255,.1);}
.footer-note{margin-top:14px;font-size:12.5px;line-height:1.7;color:rgba(255,255,255,.55);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:space-between;
  padding-top:26px;
  font-size:13px;color:rgba(255,255,255,.55);
}
.footer-bottom .dot{margin:0 8px;opacity:.5;}
/* ============ 状态与空态 ============ */
.empty-card{
  border:1.5px dashed #D9CCEC;
  border-radius:var(--radius-md);
  padding:44px 28px;
  text-align:center;
  background:#fff;
}
.empty-card i{font-size:22px;color:#B79EE0;}
.empty-card p{margin:14px 0 10px;font-size:15px;color:var(--ink-2);}
/* ============ 响应式 ============ */
@media (max-width:1199px){
  .section{padding:84px 0;}
  .slot-card{grid-template-columns:150px minmax(0,1fr);}
}
@media (max-width:1023px){
  .grid-container{padding-left:24px;padding-right:24px;}
  .main-nav{
    position:fixed;
    left:0;right:0;top:64px;bottom:0;
    background:#fff;
    flex-direction:column;
    align-items:flex-start;
    justify-content:flex-start;
    gap:0;
    padding:18px 24px 40px;
    transform:translateX(102%);
    transition:transform .32s var(--ease);
    overflow-y:auto;
    z-index:110;
    border-top:1px solid var(--line);
  }
  .main-nav.is-open{transform:translateX(0);}
  .nav-link{
    width:100%;
    font-size:20px;font-weight:600;color:var(--ink);
    padding:20px 0;
    border-bottom:1px solid var(--line);
  }
  .nav-link::after{display:none;}
  .nav-link::before{left:auto;right:2px;}
  .nav-link.is-active{color:var(--brand-1);}
  .menu-btn{display:inline-flex;}
  .page-hero{padding:34px 0 60px;}
  .remind-wrap{grid-template-columns:1fr;padding:34px;gap:30px;}
  .stat-band{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-item{border-bottom:1px solid var(--line);}
  .stat-item:nth-child(2n){border-right:0;}
  .stat-item:nth-child(n+3){border-bottom:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .replay-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{padding:44px 36px;}
}
@media (max-width:767px){
  .grid-container{padding-left:18px;padding-right:18px;}
  .grid-x.grid-padding-x{margin-left:-8px;margin-right:-8px;}
  .grid-x.grid-padding-x>.cell{padding-left:8px;padding-right:8px;}
  .section{padding:56px 0;}
  .section-head{margin-bottom:26px;}
  .schedule::before{display:none;}
  .schedule-row{grid-template-columns:1fr;gap:10px;}
  .rail{
    display:flex;align-items:center;gap:10px;
    padding-top:0;text-align:left;
  }
  .rail-time{font-size:15px;}
  .rail-note{display:inline;margin-top:0;}
  .rail-dot{position:static;width:10px;height:10px;border-width:2px;box-shadow:none;transform:none;right:auto;top:auto;}
  .slot-card{grid-template-columns:1fr;padding:16px;gap:16px;}
  .slot-thumb{aspect-ratio:16/9;}
  .replay-strip{grid-template-columns:1fr;}
  .remind-wrap{padding:24px;border-radius:var(--radius-md);}
  .remind-form .field-row{flex-direction:column;}
  .remind-form .btn{width:100%;}
  .stat-item{padding:26px 18px;}
  .stat-item .val{font-size:26px;}
  .faq-item summary{font-size:16px;padding:18px 6px 18px 16px;}
  .faq-answer{padding:0 18px 22px 16px;font-size:14.5px;}
  .cta-band{padding:34px 24px;border-radius:var(--radius-md);}
  .cta-band::after{border-radius:var(--radius-md);}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:32px;}
  .site-footer{padding:52px 0 26px;}
  .stat-badges{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;}
  .stat-badge{padding:16px;}
  .stat-num{font-size:26px;}
}
@media (max-width:519px){
  .header-actions .btn-sm{display:none;}
  .brand-text{font-size:16px;}
  .stat-band{grid-template-columns:1fr;}
  .stat-item{border-right:0;border-bottom:1px solid var(--line);}
  .stat-item:last-child{border-bottom:0;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
}

/* roulang page: category2 */
:root{
  --brand:#6C2BD9;
  --brand-hover:#5420B8;
  --brand-2:#A62BD0;
  --brand-3:#E2266B;
  --cyan:#14B8A6;
  --amber:#FFB020;
  --bg:#FAF7FC;
  --surface:#FFFFFF;
  --dark:#16111F;
  --text:#1A1520;
  --text-2:#4A4354;
  --text-3:#7C7488;
  --line:#ECE5F3;
  --soft:#F5EFFD;
  --grad:linear-gradient(118deg,#6C2BD9 0%,#A62BD0 46%,#E2266B 100%);
  --grad-dark:linear-gradient(118deg,#41207E 0%,#3A1148 52%,#5C1230 100%);
  --r-lg:26px;
  --r-md:20px;
  --r-sm:14px;
  --r-pill:999px;
  --sh:0 1px 2px rgba(108,43,217,.05),0 14px 34px rgba(108,43,217,.09);
  --sh-hover:0 20px 44px rgba(108,43,217,.16);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,ul,ol{margin:0;padding:0}
ul,ol{list-style:none}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none;transition:color .24s var(--ease)}
button,input{font-family:inherit;font-size:inherit}
button{border:0;background:none;cursor:pointer;color:inherit}
:focus-visible{outline:3px solid rgba(108,43,217,.35);outline-offset:2px;border-radius:8px}
::selection{background:rgba(108,43,217,.18)}

.grid-container{max-width:1200px;padding-left:32px;padding-right:32px;margin:0 auto;width:100%}
@media (min-width:1400px){.grid-container{max-width:1280px}}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(250,247,252,.94);
  backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:background .3s var(--ease);
}
.site-header.is-scrolled{background:rgba(255,255,255,.95);box-shadow:0 8px 26px rgba(108,43,217,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height .3s var(--ease)}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--text)}
.brand-mark{width:30px;height:30px;border-radius:10px;background:var(--grad);display:grid;place-items:center;flex:0 0 auto}
.brand-dot{width:8px;height:8px;border-radius:50%;background:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.34)}
.brand-text{white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:32px}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--text-2);padding:6px 0}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;border-radius:2px;background:var(--grad);transition:width .26s var(--ease)}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--text);font-weight:700}
.nav-link.is-active::after{width:100%}
.nav-link.is-active::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--brand-3);margin-right:8px;vertical-align:2px}
.header-actions{display:flex;align-items:center;gap:12px}
.icon-btn{width:44px;height:44px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;color:var(--text-2);display:grid;place-items:center;transition:.24s var(--ease)}
.icon-btn:hover{border-color:rgba(108,43,217,.35);color:var(--brand);background:var(--soft)}
.icon-btn:active{transform:translateY(1px)}
.menu-btn{display:none}

/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .28s var(--ease),box-shadow .28s var(--ease),background .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease)}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(108,43,217,.24)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(108,43,217,.32);color:#fff}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(108,43,217,.24)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
.btn-ghost:hover{border-color:rgba(108,43,217,.4);color:var(--brand);background:var(--soft);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-light{background:#fff;color:#2A1150;box-shadow:0 10px 26px rgba(22,17,31,.22)}
.btn-light:hover{transform:translateY(-2px);color:var(--brand-hover)}
.link-btn{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);padding:0 0 2px;border-bottom:2px solid currentColor;transition:.24s var(--ease)}
.link-btn:hover{color:var(--brand-hover);gap:10px}

/* ============ 徽章 / 标签 ============ */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;line-height:1;padding:7px 12px;border-radius:var(--r-pill);background:rgba(255,255,255,.94);color:var(--text)}
.badge-amber{background:rgba(255,176,32,.95);color:#3A2500}
.badge-cyan{background:rgba(20,184,166,.9);color:#042B28}
.badge-dark{background:rgba(22,17,31,.82);color:#fff;border:1px solid rgba(255,255,255,.16)}
.tag{display:inline-flex;align-items:center;font-size:12px;font-weight:600;padding:5px 12px;border-radius:var(--r-pill);background:var(--soft);color:var(--brand)}
.tag-cyan{background:rgba(20,184,166,.13);color:#0D8277}
.tag-amber{background:rgba(255,176,32,.18);color:#8F5A00}

/* ============ Hero ============ */
.hero{padding:56px 0 84px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;top:-160px;right:-120px;width:520px;height:520px;border-radius:50%;background:var(--grad);opacity:.08;filter:blur(70px);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:52px;align-items:center;position:relative;z-index:1}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px;flex-wrap:wrap}
.crumbs a:hover{color:var(--brand)}
.crumbs .sep{opacity:.5}
.crumbs .current{color:var(--text-3)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);background:var(--soft);padding:7px 14px;border-radius:var(--r-pill);margin-bottom:20px}
.eyebrow i{font-size:12px}
.hero-title{font-size:clamp(30px,4vw,50px);font-weight:800;line-height:1.2;letter-spacing:-.01em;margin-bottom:18px;max-width:15em}
.hero-sub{font-size:17px;color:var(--text-2);max-width:30em;margin-bottom:28px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:32px}
.hero-stats{display:flex;gap:14px;flex-wrap:wrap}
.stat-chip{display:flex;flex-direction:column;gap:2px;padding:12px 18px;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;min-width:112px}
.stat-chip b{font-size:20px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.stat-chip span{font-size:12.5px;color:var(--text-3)}
.hero-figure{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh);aspect-ratio:16/11;background:var(--grad)}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(22,17,31,.66),rgba(22,17,31,0) 60%)}
.floating-badge{position:absolute;top:18px;left:18px;z-index:2}
.figure-caption{position:absolute;left:22px;right:22px;bottom:18px;z-index:2;display:flex;justify-content:space-between;align-items:flex-end;gap:14px;color:#fff;font-size:13.5px}
.figure-caption b{display:block;font-size:16px;font-weight:700;margin-bottom:2px}

/* ============ 板块 ============ */
.section{padding-bottom:var(--sec)}
.section-head{max-width:760px;margin-bottom:38px}
.section-head h2{font-size:clamp(24px,2.6vw,32px);font-weight:700;letter-spacing:-.01em;margin-bottom:12px}
.section-head p{color:var(--text-2);font-size:16px}

/* ============ 筛选 + 卡片 ============ */
.filter-layout{display:grid;grid-template-columns:216px 1fr;gap:44px;align-items:start}
.filter-rail{position:sticky;top:104px}
.filter-title{font-size:12.5px;font-weight:700;letter-spacing:.16em;color:var(--text-3);margin-bottom:10px}
.filter-item{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;padding:14px 0 14px 12px;border-bottom:1px solid var(--line);font-size:15px;color:var(--text-2);text-align:left;position:relative;transition:.24s var(--ease)}
.filter-item::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:0;border-radius:2px;background:var(--grad);transition:height .24s var(--ease)}
.filter-item:hover{color:var(--brand);background:#FBF8FE}
.filter-item.is-active{color:var(--text);font-weight:700;background:#FBF8FE}
.filter-item.is-active::before{height:20px}
.filter-count{font-size:12px;font-weight:600;color:var(--text-3);background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);min-width:26px;height:22px;display:inline-flex;align-items:center;justify-content:center;padding:0 7px}
.filter-item.is-active .filter-count{background:var(--soft);color:var(--brand);border-color:rgba(108,43,217,.2)}
.filter-note{margin-top:18px;font-size:13px;color:var(--text-3);line-height:1.7}

.play-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.play-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh);transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease)}
.play-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(108,43,217,.3)}
.play-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--grad)}
.play-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.play-card:hover .play-thumb img{transform:scale(1.04)}
.play-thumb .badge{position:absolute;left:16px;top:16px}
.play-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.play-body h3{font-size:19px;font-weight:600;line-height:1.45}
.play-body p{font-size:15px;color:var(--text-2);line-height:1.7}
.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto;padding-top:12px}
.play-card.is-hidden{display:none}

/* ============ 空态 ============ */
.empty-state{display:none;border:1.5px dashed #D9CCEC;border-radius:var(--r-lg);padding:48px 32px;text-align:center;background:#FDFBFF}
.empty-state.is-visible{display:block}
.empty-state i{font-size:26px;color:var(--brand);background:var(--soft);width:56px;height:56px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;margin-bottom:16px}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:14px}

/* ============ 流程 ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh)}
.step{padding:36px 28px;border-left:1px solid var(--line);transition:background .28s var(--ease)}
.step:first-child{border-left:0}
.step:hover{background:#FBF8FE}
.step-num{font-size:13px;font-weight:800;letter-spacing:.16em;color:transparent;background:var(--grad);-webkit-background-clip:text;background-clip:text;margin-bottom:14px;display:block}
.step h3{font-size:18px;font-weight:600;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--text-2);line-height:1.72}

/* ============ 数据带 ============ */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);background:var(--dark);border-radius:var(--r-lg);overflow:hidden}
.metric{padding:38px 30px;border-left:1px solid rgba(255,255,255,.08);color:#fff}
.metric:first-child{border-left:0}
.metric small{display:block;font-size:12.5px;letter-spacing:.16em;color:rgba(255,255,255,.42);margin-bottom:12px}
.metric b{display:block;font-size:34px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.01em;color:var(--amber);margin-bottom:8px;line-height:1.15}
.metric span{font-size:14px;color:rgba(255,255,255,.66);line-height:1.65}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding:22px 0 22px 20px;position:relative;font-size:17px;font-weight:600;line-height:1.6;transition:color .24s var(--ease)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"";position:absolute;left:0;top:28px;width:3px;height:0;border-radius:2px;background:var(--grad);transition:height .26s var(--ease)}
.faq-item[open] summary::before{height:20px}
.faq-item summary:hover{color:var(--brand)}
.faq-icon{flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--soft);color:var(--brand);display:grid;place-items:center;font-size:12px;margin-top:3px;transition:transform .28s var(--ease)}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-answer{padding:0 56px 24px 20px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ============ CTA ============ */
.cta-band{position:relative;overflow:hidden;background:var(--grad-dark);border-radius:var(--r-lg);padding:64px 56px;color:#fff;text-align:center;border:1px solid rgba(255,255,255,.08)}
.cta-band::after{content:"";position:absolute;left:10%;right:10%;bottom:-140px;height:240px;border-radius:50%;background:var(--grad);opacity:.42;filter:blur(64px);pointer-events:none}
.cta-inner{position:relative;z-index:1;max-width:640px;margin:0 auto}
.cta-band h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.3;letter-spacing:-.01em;margin-bottom:16px}
.cta-band p{color:rgba(255,255,255,.72);font-size:15.5px;margin-bottom:28px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ============ 表单提示 ============ */
.form-msg{font-size:13px;margin-top:12px;display:none}
.form-msg.is-ok{display:block;color:#0D8277}
.form-msg.is-error{display:block;color:var(--brand-3)}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.8);padding:76px 0 28px;margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.5fr;gap:44px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:18px;margin-bottom:16px}
.footer-about{font-size:14px;line-height:1.85;color:rgba(255,255,255,.58);max-width:330px}
.footer-col h4{font-size:14px;font-weight:600;color:rgba(255,255,255,.5);margin-bottom:18px;letter-spacing:.04em}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col ul a{display:inline-flex;align-items:center;gap:0;font-size:15px;color:rgba(255,255,255,.8);transition:.24s var(--ease)}
.footer-col ul a::before{content:"";width:0;height:6px;border-radius:50%;background:var(--brand-3);transition:width .24s var(--ease);margin-right:0}
.footer-col ul a:hover{color:#fff}
.footer-col ul a:hover::before{width:6px;margin-right:8px}
.footer-sub-form{display:flex;gap:10px}
.footer-sub-form input{flex:1;min-width:0;height:44px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;transition:.24s var(--ease)}
.footer-sub-form input::placeholder{color:rgba(255,255,255,.42)}
.footer-sub-form input:focus{outline:none;border-color:rgba(162,43,208,.75);box-shadow:0 0 0 3px rgba(108,43,217,.25)}
.footer-note{font-size:12.5px;line-height:1.75;color:rgba(255,255,255,.45);margin-top:12px}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:rgba(255,255,255,.45)}
.dot{margin:0 8px;opacity:.5}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sec:80px}
  .hero-grid{gap:40px}
  .play-grid{gap:24px}
  .filter-layout{gap:32px;grid-template-columns:196px 1fr}
}
@media (max-width:991px){
  :root{--sec:64px}
  .grid-container{padding-left:24px;padding-right:24px}
  .main-nav{
    position:fixed;left:0;right:0;top:72px;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:8px 24px 24px;
    border-bottom:1px solid var(--line);
    box-shadow:0 26px 40px rgba(108,43,217,.12);
    transform:translateY(-14px);opacity:0;pointer-events:none;
    transition:transform .28s var(--ease),opacity .28s var(--ease);
  }
  .main-nav.is-open{transform:none;opacity:1;pointer-events:auto}
  .nav-link{font-size:20px;padding:16px 0;border-bottom:1px solid var(--line)}
  .nav-link::after{display:none}
  .nav-link.is-active::before{margin-right:10px}
  .menu-btn{display:grid}
  .hero{padding:40px 0 64px}
  .hero-grid{grid-template-columns:1fr}
  .hero-figure{order:-1;aspect-ratio:16/9}
  .hero-sub{max-width:none}
  .filter-layout{grid-template-columns:1fr;gap:28px}
  .filter-rail{position:static;display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;scroll-snap-type:x proximity}
  .filter-title{display:none}
  .filter-item{flex:0 0 auto;width:auto;padding:9px 16px;border:1px solid var(--line);border-radius:var(--r-pill);background:#fff;scroll-snap-align:start}
  .filter-item::before{display:none}
  .filter-item.is-active{border-color:rgba(108,43,217,.4);background:var(--soft)}
  .filter-note{display:none}
  .flow{grid-template-columns:repeat(2,1fr)}
  .step:nth-child(3){border-left:0;border-top:1px solid var(--line)}
  .step:nth-child(4){border-top:1px solid var(--line)}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .metric:nth-child(3){border-left:0;border-top:1px solid rgba(255,255,255,.08)}
  .metric:nth-child(4){border-top:1px solid rgba(255,255,255,.08)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:38px}
  .cta-band{padding:52px 32px}
}
@media (max-width:767px){
  .play-grid{grid-template-columns:1fr}
  .hero-stats{gap:10px}
  .stat-chip{flex:1 1 30%;min-width:0;padding:10px 14px}
  .faq-answer{padding-right:20px}
  .footer-grid{grid-template-columns:1fr}
  .footer-sub-form{flex-direction:column}
  .footer-sub-form .btn{width:100%}
}
@media (max-width:520px){
  .grid-container{padding-left:18px;padding-right:18px}
  .header-inner{height:64px}
  .site-header.is-scrolled .header-inner{height:60px}
  .brand{font-size:16px}
  .brand-mark{width:26px;height:26px;border-radius:9px}
  .header-actions .btn-sm{display:none}
  .hero-cta .btn{width:100%}
  .flow{grid-template-columns:1fr}
  .step{border-left:0;border-top:1px solid var(--line);padding:26px 22px}
  .step:first-child{border-top:0}
  .metrics{grid-template-columns:1fr}
  .metric{border-left:0;border-top:1px solid rgba(255,255,255,.08);padding:28px 22px}
  .metric:first-child{border-top:0}
  .cta-band{padding:42px 22px}
  .cta-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .play-card:hover{transform:none}
  .play-card:hover .play-thumb img{transform:none}
}

/* roulang page: category3 */
/* ===== 设计令牌 ===== */
:root{
  --grad:linear-gradient(118deg,#6C2BD9 0%,#A62BD0 46%,#E2266B 100%);
  --primary:#6C2BD9;
  --primary-dark:#5420B8;
  --primary-soft:#F5EFFD;
  --accent:#E2266B;
  --teal:#14B8A6;
  --amber:#FFB020;
  --bg:#FAF7FC;
  --surface:#FFFFFF;
  --dark:#16111F;
  --text:#1A1520;
  --text-2:#4A4354;
  --text-3:#7C7488;
  --line:#ECE5F3;
  --r-lg:26px;
  --r-md:20px;
  --r-sm:14px;
  --shadow:0 1px 2px rgba(108,43,217,.05),0 14px 34px rgba(108,43,217,.09);
  --shadow-h:0 20px 44px rgba(108,43,217,.16);
  --tr:320ms cubic-bezier(.2,.7,.3,1);
}
/* ===== reset / base ===== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
:focus-visible{outline:3px solid rgba(108,43,217,.35);outline-offset:2px;border-radius:6px}
::selection{background:rgba(166,43,208,.2)}

/* ===== 容器 ===== */
.grid-container{max-width:1240px;margin:0 auto;padding-left:32px;padding-right:32px;width:100%}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(250,247,252,.94);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--tr);
}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(108,43,217,.07)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;transition:height var(--tr)}
.site-header.is-scrolled .header-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:28px;height:28px;border-radius:9px;background:var(--grad);display:inline-flex;align-items:center;justify-content:center;position:relative;flex-shrink:0}
.brand-dot{width:6px;height:6px;border-radius:50%;background:#fff;box-shadow:0 0 0 3px rgba(255,255,255,.28)}
.brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em}
.main-nav{display:flex;align-items:center;gap:32px}
.nav-link{position:relative;font-size:15px;font-weight:500;color:var(--text-2);padding:6px 0;transition:color var(--tr)}
.nav-link::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;border-radius:2px;background:var(--grad);transition:width var(--tr)}
.nav-link::before{content:"";position:absolute;left:-11px;top:50%;width:6px;height:6px;border-radius:50%;background:var(--accent);transform:translateY(-50%) scale(0);transition:transform var(--tr)}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{width:16px}
.nav-link.is-active{color:var(--text);font-weight:700}
.nav-link.is-active::after{width:22px}
.nav-link.is-active::before{transform:translateY(-50%) scale(1)}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.icon-btn{width:44px;height:44px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;color:var(--text-2);font-size:16px;border:1px solid transparent;transition:background var(--tr),color var(--tr),border-color var(--tr)}
.icon-btn:hover{background:var(--primary-soft);color:var(--primary);border-color:rgba(108,43,217,.16)}
.icon-btn:active{transform:translateY(1px)}
.menu-btn{display:none}

/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:600;white-space:nowrap;transition:transform var(--tr),box-shadow var(--tr),background var(--tr),color var(--tr),border-color var(--tr)}
.btn i{font-size:14px}
.btn-primary{background-image:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(162,43,208,.22)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-h)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(162,43,208,.22)}
.btn-ghost{background:#fff;color:var(--text);border:1px solid var(--line)}
.btn-ghost:hover{color:var(--primary);border-color:rgba(108,43,217,.45);background:var(--primary-soft)}
.btn-light{background:#fff;color:var(--dark)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(0,0,0,.28)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);position:relative}
.text-link::after{content:"";position:absolute;left:0;right:100%;bottom:-3px;height:2px;border-radius:2px;background:var(--grad);transition:right var(--tr)}
.text-link:hover::after{right:0}

/* ===== Hero 图墙 ===== */
.hero{position:relative;overflow:hidden;padding:56px 0 84px;background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%)}
.hero::before{content:"";position:absolute;inset:0;background-image:url(/assets/images/backpic/back-3.png);background-size:cover;background-position:center;opacity:.09;pointer-events:none}
.hero-inner{position:relative;display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:center}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px}
.breadcrumb a{color:var(--text-3);transition:color var(--tr)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{opacity:.6}
.breadcrumb .current{color:var(--text-2);font-weight:600}
.hero h1{font-size:clamp(30px,4vw,50px);font-weight:800;letter-spacing:-.01em;line-height:1.16}
.hero-sub{margin-top:18px;font-size:17px;color:var(--text-2);max-width:30em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.meta-chip{display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;font-weight:500;color:var(--text-2)}
.meta-chip i{color:var(--primary);font-size:12px}
.hero-wall{display:grid;grid-template-columns:1.12fr 1fr;grid-template-rows:repeat(2,minmax(148px,1fr));gap:18px}
.wall-item{position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--line);box-shadow:var(--shadow);background:var(--grad)}
.wall-item.tall{grid-row:span 2}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform var(--tr)}
.wall-item:hover img{transform:scale(1.04)}
.wall-cap{position:absolute;left:0;right:0;bottom:0;padding:14px 18px;font-size:13px;font-weight:600;color:#fff;background:linear-gradient(0deg,rgba(22,17,31,.82) 0%,rgba(22,17,31,0) 100%)}

/* ===== 板块通用 ===== */
.section{padding:88px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:36px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary);letter-spacing:.04em;margin-bottom:14px}
.eyebrow::before{content:"";width:18px;height:3px;border-radius:3px;background:var(--grad)}
.sec-title{font-size:clamp(24px,2.7vw,34px);font-weight:700}
.sec-desc{margin-top:14px;font-size:16px;color:var(--text-2);max-width:44em}

/* ===== 筛选标签栏 ===== */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.filter-btn{height:38px;padding:0 18px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:14px;font-weight:500;color:var(--text-2);transition:all var(--tr)}
.filter-btn:hover{color:var(--primary);border-color:rgba(108,43,217,.4);background:var(--primary-soft)}
.filter-btn.is-on{background-image:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 20px rgba(162,43,208,.2)}

/* ===== 图墙画廊 ===== */
.gallery-grid{columns:4;column-gap:20px}
.gallery-card{position:relative;display:block;break-inside:avoid;margin-bottom:20px;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:var(--grad);transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr)}
.gallery-card img{width:100%;aspect-ratio:4/5;object-fit:cover;transition:transform var(--tr)}
.gallery-card:nth-child(3n) img{aspect-ratio:1/1}
.gallery-card:nth-child(5n) img{aspect-ratio:4/3}
.gallery-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);border-color:rgba(108,43,217,.3)}
.gallery-card:hover img{transform:scale(1.04)}
.gallery-mask{position:absolute;left:0;right:0;bottom:0;padding:20px 18px 18px;color:#fff;background:linear-gradient(0deg,rgba(22,17,31,.9) 0%,rgba(22,17,31,.5) 52%,rgba(22,17,31,0) 100%)}
.gallery-mask h3{margin-top:10px;font-size:17px;font-weight:600;line-height:1.4}
.gallery-mask p{margin-top:6px;font-size:13px;line-height:1.6;color:rgba(255,255,255,.78)}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;font-size:12px;font-weight:600;background:rgba(255,255,255,.18);color:#fff}
.badge-amber{background:rgba(255,176,32,.9);color:#2A1A00}
.badge-teal{background:rgba(20,184,166,.9);color:#04201D}
.badge-accent{background:rgba(226,38,107,.92);color:#fff}
.gallery-empty{display:none;padding:56px 24px;text-align:center;border:1.5px dashed #D9CCEC;border-radius:var(--r-lg);color:var(--text-3);background:#fff}
.gallery-empty i{font-size:26px;color:#C9B6E6;display:block;margin-bottom:12px}
.gallery-empty.is-on{display:block}

/* ===== 数据带 ===== */
.stats-band{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow)}
.stat{padding:34px 28px;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}
.stat-num{font-size:clamp(26px,3vw,36px);font-weight:800;letter-spacing:-.02em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums}
.stat-label{margin-top:8px;font-size:14px;color:var(--text-3);line-height:1.6}

/* ===== 观察重点 2+1 ===== */
.focus-grid{display:grid;grid-template-columns:1.55fr 1fr;gap:24px;align-items:start}
.focus-main{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:38px;box-shadow:var(--shadow)}
.focus-main h3{font-size:21px;font-weight:700}
.focus-main .lead{margin-top:12px;font-size:15px;color:var(--text-2)}
.step-list{margin-top:22px}
.step-list li{display:flex;gap:18px;padding:20px 0;border-bottom:1px solid var(--line);transition:background var(--tr),box-shadow var(--tr)}
.step-list li:last-child{border-bottom:0}
.step-list li:hover{background:#F7F2FD;box-shadow:inset 3px 0 0 var(--primary)}
.step-num{font-size:20px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.4;font-variant-numeric:tabular-nums}
.step-body h4{font-size:17px;font-weight:600}
.step-body p{margin-top:6px;font-size:14px;color:var(--text-3)}
.focus-side{display:grid;gap:24px}
.focus-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:28px;box-shadow:var(--shadow);transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr)}
.focus-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);border-color:rgba(108,43,217,.3)}
.focus-card .icon{width:44px;height:44px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;background:var(--primary-soft);color:var(--primary);font-size:17px;margin-bottom:16px}
.focus-card h3{font-size:18px}
.focus-card p{margin-top:10px;font-size:14px;color:var(--text-3);line-height:1.7}
.focus-card ul{margin-top:14px}
.focus-card ul li{position:relative;padding-left:16px;font-size:14px;color:var(--text-2);margin-bottom:8px}
.focus-card ul li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* ===== 双列对比 ===== */
.compare-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.compare-card{border-radius:var(--r-lg);padding:36px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
.compare-card.tinted{background:linear-gradient(180deg,#FFFFFF 0%,#F7F2FD 100%)}
.compare-card h3{font-size:20px;display:flex;align-items:center;gap:10px}
.compare-card .tagline{margin-top:10px;font-size:14px;color:var(--text-3)}
.compare-list{margin-top:22px}
.compare-list li{display:flex;gap:12px;align-items:flex-start;padding:14px 0;border-top:1px solid var(--line);font-size:15px;color:var(--text-2)}
.compare-list li:first-child{border-top:0}
.compare-list i{color:var(--teal);font-size:14px;margin-top:5px}
.compare-card.tinted .compare-list i{color:var(--amber)}

/* ===== FAQ ===== */
.faq-list{max-width:880px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);position:relative}
.faq-item summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 0;font-size:17px;font-weight:600;cursor:pointer;position:relative;transition:color var(--tr)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{content:"";position:absolute;left:-18px;top:50%;width:3px;height:22px;border-radius:3px;background:var(--grad);transform:translateY(-50%) scaleY(0);transition:transform var(--tr)}
.faq-item[open] summary::before{transform:translateY(-50%) scaleY(1)}
.faq-item summary:hover{color:var(--primary)}
.faq-item summary .faq-ico{flex-shrink:0;width:30px;height:30px;border-radius:50%;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;font-size:12px;color:var(--text-3);transition:transform var(--tr),background var(--tr),color var(--tr),border-color var(--tr)}
.faq-item[open] summary .faq-ico{transform:rotate(180deg);background:var(--primary-soft);color:var(--primary);border-color:rgba(108,43,217,.25)}
.faq-answer{padding:0 0 24px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:52em}

/* ===== CTA 带 ===== */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-lg);padding:56px;display:flex;align-items:center;justify-content:space-between;gap:36px;color:#fff;background:linear-gradient(118deg,rgba(108,43,217,.94) 0%,rgba(166,43,208,.86) 46%,rgba(226,38,107,.8) 100%),#16111F;box-shadow:var(--shadow)}
.cta-band::after{content:"";position:absolute;inset:0;border:1px solid rgba(255,255,255,.14);border-radius:var(--r-lg);pointer-events:none}
.cta-copy{position:relative;max-width:640px}
.cta-copy h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;color:#fff}
.cta-copy p{margin-top:14px;font-size:15px;color:rgba(255,255,255,.82)}
.cta-actions{position:relative;display:flex;flex-wrap:wrap;gap:14px;flex-shrink:0}

/* ===== 页脚 ===== */
.site-footer{margin-top:88px;background:var(--dark);color:#fff;padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .brand-text{color:#fff;font-weight:800;font-size:17px}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:30em}
.footer-col h4{font-size:14px;font-weight:600;color:rgba(255,255,255,.5);margin-bottom:18px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:12px}
.footer-col ul li a{position:relative;font-size:15px;color:rgba(255,255,255,.8);padding-left:0;transition:color var(--tr),padding-left var(--tr)}
.footer-col ul li a::before{content:"";position:absolute;left:-14px;top:50%;transform:translateY(-50%) scale(0);width:6px;height:6px;border-radius:50%;background:var(--accent);transition:transform var(--tr)}
.footer-col ul li a:hover{color:#fff;padding-left:8px}
.footer-col ul li a:hover::before{transform:translateY(-50%) scale(1)}
.footer-sub-form{display:flex;gap:10px}
.footer-sub-form input{flex:1;min-width:0;height:44px;border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;transition:border-color var(--tr),box-shadow var(--tr)}
.footer-sub-form input::placeholder{color:rgba(255,255,255,.42)}
.footer-sub-form input:focus{outline:none;border-color:rgba(255,255,255,.55);box-shadow:0 0 0 3px rgba(166,43,208,.35)}
.footer-note{margin-top:14px;font-size:12.5px;line-height:1.7;color:rgba(255,255,255,.48)}
.footer-bottom{margin-top:52px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:rgba(255,255,255,.5)}
.footer-bottom .dot{margin:0 8px;opacity:.5}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .gallery-grid{columns:3}
  .hero-inner{gap:40px}
}
@media (max-width:991px){
  .grid-container{padding-left:24px;padding-right:24px}
  .section{padding:72px 0}
  .hero{padding:44px 0 64px}
  .hero-inner{grid-template-columns:1fr;gap:36px}
  .hero-wall{grid-template-columns:1fr 1fr;grid-template-rows:repeat(2,minmax(130px,1fr))}
  .gallery-grid{columns:2}
  .focus-grid{grid-template-columns:1fr}
  .stats-band{grid-template-columns:repeat(2,1fr)}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:44px}
}
@media (max-width:767px){
  .grid-container{padding-left:18px;padding-right:18px}
  .section{padding:56px 0}
  .header-inner{height:64px}
  .site-header.is-scrolled .header-inner{height:60px}
  .header-actions .btn{display:none}
  .menu-btn{display:inline-flex}
  .main-nav{position:fixed;left:0;right:0;top:64px;bottom:0;display:none;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-top:1px solid var(--line);padding:12px 18px 40px;overflow-y:auto;z-index:80}
  .main-nav.is-open{display:flex}
  .main-nav .nav-link{font-size:20px;font-weight:600;color:var(--text);padding:20px 0;border-bottom:1px solid var(--line)}
  .main-nav .nav-link::after,.main-nav .nav-link::before{display:none}
  .main-nav .nav-link.is-active{color:var(--primary)}
  .hero-actions .btn{width:100%}
  .gallery-grid{columns:1}
  .stats-band{grid-template-columns:1fr}
  .stat{border-right:0;border-bottom:1px solid var(--line)}
  .stat:last-child{border-bottom:0}
  .compare-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .cta-band{padding:32px;border-radius:var(--r-md)}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .focus-main{padding:26px}
}
@media (max-width:520px){
  .hero h1{font-size:30px}
  .gallery-mask{padding:16px 14px 14px}
  .gallery-mask h3{font-size:16px}
  .filter-btn{height:36px;padding:0 14px;font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category4 */
/* ============ 1. 设计令牌 ============ */
:root{
  --brand:#6C2BD9;
  --brand-deep:#5420B8;
  --brand-2:#A62BD0;
  --accent:#E2266B;
  --cyan:#14B8A6;
  --amber:#FFB020;
  --bg:#FAF7FC;
  --surface:#FFFFFF;
  --dark:#16111F;
  --ink:#1A1520;
  --ink-2:#4A4354;
  --ink-3:#7C7488;
  --line:#ECE5F3;
  --brand-soft:#F5EFFD;
  --brand-soft-2:#F7F2FD;
  --grad:linear-gradient(118deg,#6C2BD9 0%,#A62BD0 46%,#E2266B 100%);
  --r-xl:26px;
  --r-md:20px;
  --r-sm:14px;
  --r-pill:999px;
  --shadow:0 1px 2px rgba(108,43,217,.05),0 14px 34px rgba(108,43,217,.09);
  --shadow-lg:0 20px 44px rgba(108,43,217,.16);
  --sec-pad:96px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
/* ============ 2. reset / base ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--brand-deep)}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
button,input{font-family:inherit;font-size:inherit;line-height:inherit}
button{border:0;background:none;color:inherit;cursor:pointer;padding:0}
input{outline:none}
:focus-visible{outline:3px solid rgba(108,43,217,.35);outline-offset:2px;border-radius:6px}
::selection{background:rgba(108,43,217,.18)}
/* ============ 3. 容器 ============ */
.grid-container{
  max-width:1264px;
  padding-left:32px;
  padding-right:32px;
  margin-left:auto;
  margin-right:auto;
  width:100%;
}
.section{padding:var(--sec-pad) 0}
.section-tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--brand);background:var(--brand-soft);
  border-radius:var(--r-pill);padding:6px 14px;
}
.eyebrow::before{
  content:'';width:6px;height:6px;border-radius:50%;background:var(--grad);
}
.section-title{
  font-size:clamp(24px,2.6vw,34px);
  font-weight:700;line-height:1.3;letter-spacing:-.01em;
  margin:18px 0 14px;
}
.section-desc{font-size:16.5px;color:var(--ink-2);line-height:1.85}
/* ============ 4. 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:saturate(1.4) blur(10px);
  backdrop-filter:saturate(1.4) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s var(--ease);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:74px;transition:height .3s var(--ease);
}
body.is-scrolled .site-header{box-shadow:0 6px 24px rgba(108,43,217,.06)}
body.is-scrolled .header-inner{height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);flex:0 0 auto}
.brand:hover{color:var(--ink)}
.brand-mark{
  position:relative;width:30px;height:30px;border-radius:10px;
  background-image:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(108,43,217,.28);
}
.brand-dot{
  width:8px;height:8px;border-radius:50%;background:#fff;
  box-shadow:0 0 0 3px rgba(255,255,255,.35);
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:-.01em;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:32px}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-2);
  padding:6px 0;line-height:1.4;white-space:nowrap;
}
.nav-link::after{
  content:'';position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background-image:var(--grad);border-radius:2px;
  transform:scaleX(0);transform-origin:left center;
  transition:transform .26s var(--ease);
}
.nav-link:hover{color:var(--brand)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:600}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active::before{
  content:'';display:inline-block;width:6px;height:6px;border-radius:50%;
  background:var(--accent);margin-right:7px;vertical-align:middle;
}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.icon-btn{
  width:44px;height:44px;border-radius:var(--r-pill);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-2);font-size:16px;transition:all .24s var(--ease);
}
.icon-btn:hover{background:var(--brand-soft);color:var(--brand)}
.icon-btn:active{transform:scale(.96)}
.menu-btn{display:none}
/* ============ 5. Hero ============ */
.hero{
  position:relative;overflow:hidden;
  padding:76px 0 72px;
  background:
    radial-gradient(880px 420px at 10% -14%, rgba(108,43,217,.14), transparent 62%),
    radial-gradient(720px 380px at 92% -6%, rgba(226,38,107,.11), transparent 60%),
    var(--bg);
  border-bottom:1px solid var(--line);
}
.hero-inner{max-width:1000px}
.hero h1{
  font-size:clamp(30px,4vw,50px);
  font-weight:800;line-height:1.2;letter-spacing:-.01em;
  margin:20px 0 0;
}
.hero-sub{
  font-size:18px;color:var(--ink-2);line-height:1.8;
  margin-top:16px;max-width:640px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{margin-top:52px;row-gap:16px}
.stat-chip{
  background:var(--dark);border:1px solid rgba(255,255,255,.08);
  border-radius:var(--r-sm);padding:18px 20px;height:100%;
}
.stat-num{
  display:block;font-size:32px;font-weight:700;line-height:1.1;
  color:var(--amber);font-variant-numeric:tabular-nums;
}
.stat-label{display:block;font-size:12.5px;color:rgba(255,255,255,.66);margin-top:8px}
/* ============ 6. 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),
             background-color .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease);
  white-space:nowrap;
}
.btn i{font-size:14px}
.btn-primary{
  background-image:var(--grad);color:#fff;
  box-shadow:0 10px 24px rgba(108,43,217,.24);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-lg)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{color:var(--brand);transform:translateY(-2px);box-shadow:0 18px 38px rgba(0,0,0,.22)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.link-more{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--brand);
  border-bottom:2px solid transparent;padding-bottom:2px;
  transition:all .24s var(--ease);
}
.link-more::before{
  content:'';width:0;height:6px;border-radius:50%;background:var(--accent);
  transition:width .24s var(--ease);
}
.link-more:hover::before{width:6px}
/* ============ 7. 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;line-height:1;
  padding:6px 12px;border-radius:var(--r-pill);
}
.badge-amber{background:rgba(255,176,32,.16);color:#8A5A00}
.badge-cyan{background:rgba(20,184,166,.14);color:#0B6E64}
.badge-brand{background:var(--brand-soft);color:var(--brand)}
.badge-accent{background:rgba(226,38,107,.12);color:#B01653}
.badge-dark{background:rgba(22,17,31,.9);color:#fff}
.badge-live{background:rgba(226,38,107,.94);color:#fff}
/* ============ 8. 编号要点清单 ============ */
.points-list{border-bottom:1px solid var(--line)}
.point-item{
  position:relative;display:flex;gap:28px;align-items:flex-start;
  padding:30px 24px 30px 20px;border-top:1px solid var(--line);
  transition:background-color .28s var(--ease);
}
.point-item::before{
  content:'';position:absolute;left:0;top:18px;bottom:18px;width:3px;
  border-radius:3px;background-image:var(--grad);
  opacity:0;transition:opacity .28s var(--ease);
}
.point-item:hover{background:var(--brand-soft-2)}
.point-item:hover::before{opacity:1}
.point-num{
  flex:0 0 62px;font-size:26px;font-weight:800;line-height:1.3;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
  background-image:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.point-body h3{font-size:19px;font-weight:600;line-height:1.5}
.point-body p{font-size:14.5px;color:var(--ink-2);line-height:1.8;margin-top:8px;max-width:760px}
.point-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
/* ============ 9. 双列对比 ============ */
.compare-wrap{
  margin-top:72px;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--shadow);overflow:hidden;
}
.compare{display:grid;grid-template-columns:1fr 1fr}
.compare-col{padding:44px 44px 48px}
.compare-col + .compare-col{border-left:1px solid var(--line);background:linear-gradient(180deg,#FCFAFF 0%,#FFFFFF 60%)}
.compare-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border-radius:var(--r-pill);padding:6px 14px;
}
.compare-col h3{font-size:22px;font-weight:700;margin:18px 0 10px;line-height:1.45}
.compare-col > p{font-size:15px;color:var(--ink-2);line-height:1.85}
.check-list{margin-top:22px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:12px 0;border-top:1px solid var(--line);font-size:15px;color:var(--ink-2);
}
.check-list li:first-child{border-top:0}
.check-list i{color:var(--cyan);font-size:13px;margin-top:7px;flex:0 0 auto}
.compare-col.alt .check-list i{color:var(--accent)}
/* ============ 10. 横向卡片条 ============ */
.rail{
  display:grid;grid-template-columns:repeat(3,1fr);gap:28px;
}
.rail-card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;
  transition:transform .32s var(--ease),box-shadow .32s var(--ease),border-color .32s var(--ease);
}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(108,43,217,.3)}
.rail-media{position:relative;overflow:hidden;background-image:var(--grad)}
.rail-media img{
  width:100%;aspect-ratio:3/2;object-fit:cover;
  transition:transform .32s var(--ease);
}
.rail-card:hover .rail-media img{transform:scale(1.04)}
.rail-media .badge{position:absolute;top:14px;left:14px}
.rail-body{padding:22px 22px 24px}
.rail-body h3{font-size:18px;font-weight:600;line-height:1.5}
.rail-body p{font-size:14.5px;color:var(--ink-2);line-height:1.8;margin-top:10px}
.rail-meta{
  display:flex;align-items:center;gap:10px;margin-top:16px;
  font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums;
}
.rail-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--line)}
/* ============ 11. FAQ ============ */
.faq-list{max-width:900px}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:22px 48px 22px 0;
  font-size:17px;font-weight:600;line-height:1.6;color:var(--ink);
  transition:color .24s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:'+';position:absolute;right:8px;top:50%;
  transform:translateY(-50%);
  font-size:22px;font-weight:400;line-height:1;color:var(--ink-3);
  transition:transform .26s var(--ease),color .26s var(--ease);
}
.faq-item summary:hover{color:var(--brand)}
.faq-item[open] summary{color:var(--brand)}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);color:var(--brand)}
.faq-answer{
  position:relative;padding:0 48px 26px 18px;
  font-size:15px;line-height:1.85;color:var(--ink-2);
}
.faq-answer::before{
  content:'';position:absolute;left:0;top:5px;bottom:28px;width:3px;
  border-radius:3px;background-image:var(--grad);
}
/* ============ 12. CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  padding:60px 56px;
  background:
    radial-gradient(560px 300px at 88% 0%, rgba(226,38,107,.34), transparent 62%),
    linear-gradient(118deg,#2A1048 0%,#3D1360 42%,#5A1449 100%);
  color:#fff;
}
.cta-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.cta-band h2{
  font-size:clamp(24px,2.8vw,34px);font-weight:700;line-height:1.35;
  letter-spacing:-.01em;
}
.cta-band p{
  font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.74);
  margin-top:16px;max-width:520px;
}
.cta-note{font-size:13px;color:rgba(255,255,255,.6);margin-top:14px}
.sub-form{display:flex;gap:12px;align-items:stretch}
.sub-form input{
  flex:1 1 auto;min-width:0;height:48px;padding:0 18px;
  border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);color:#fff;font-size:15px;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),background-color .24s var(--ease);
}
.sub-form input::placeholder{color:rgba(255,255,255,.5)}
.sub-form input:focus{
  border-color:rgba(255,255,255,.8);background:rgba(255,255,255,.14);
  box-shadow:0 0 0 3px rgba(255,255,255,.16);
}
.form-msg{font-size:13.5px;margin-top:12px;min-height:20px}
.form-msg.ok{color:#7FE3D6}
.form-msg.err{color:#FF9AB6}
/* ============ 13. 页脚 ============ */
.site-footer{
  background:var(--dark);color:rgba(255,255,255,.8);
  padding:72px 0 28px;margin-top:var(--sec-pad);
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:44px;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff}
.footer-brand .brand-text{color:#fff}
.footer-about{
  font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.6);
  margin-top:18px;max-width:330px;
}
.footer-col h4{
  font-size:14px;font-weight:600;color:rgba(255,255,255,.5);
  letter-spacing:.04em;margin-bottom:18px;
}
.footer-col ul li{margin-bottom:12px}
.footer-col ul a{
  position:relative;font-size:15px;color:rgba(255,255,255,.8);
  display:inline-flex;align-items:center;gap:0;
  transition:color .22s var(--ease);
}
.footer-col ul a::before{
  content:'';width:0;height:6px;border-radius:50%;background:var(--accent);
  transition:width .22s var(--ease);
}
.footer-col ul a:hover{color:#fff}
.footer-col ul a:hover::before{width:6px;margin-right:7px}
.footer-sub-form{display:flex;gap:10px}
.footer-sub-form input{
  flex:1 1 auto;min-width:0;height:40px;padding:0 14px;
  border-radius:var(--r-sm);border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);color:#fff;font-size:14px;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease);
}
.footer-sub-form input::placeholder{color:rgba(255,255,255,.42)}
.footer-sub-form input:focus{
  border-color:rgba(255,255,255,.7);
  box-shadow:0 0 0 3px rgba(255,255,255,.12);
}
.footer-note{font-size:12.5px;color:rgba(255,255,255,.48);line-height:1.8;margin-top:14px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.08);
  margin-top:56px;padding-top:24px;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom .dot{margin:0 8px;color:rgba(255,255,255,.28)}
/* ============ 14. 响应式 ============ */
@media (max-width:1199px){
  :root{--sec-pad:80px}
  .grid-container{padding-left:28px;padding-right:28px}
  .main-nav{gap:24px}
  .nav-link{font-size:14.5px}
  .compare-col{padding:38px 34px 42px}
  .cta-band{padding:52px 40px}
}
@media (max-width:991px){
  :root{--sec-pad:72px}
  .main-nav{gap:18px}
  .header-actions .btn{display:none}
  .compare{grid-template-columns:1fr}
  .compare-col + .compare-col{border-left:0;border-top:1px solid var(--line)}
  .rail{grid-template-columns:1fr 1fr;gap:20px}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  :root{--sec-pad:56px}
  .grid-container{padding-left:18px;padding-right:18px}
  .header-inner{height:64px}
  body.is-scrolled .header-inner{height:60px}
  .brand-text{font-size:16px}
  .menu-btn{display:inline-flex}
  .main-nav{
    position:fixed;left:0;right:0;top:64px;bottom:0;
    display:block;background:#fff;
    padding:12px 18px 40px;margin:0;
    transform:translateX(100%);
    transition:transform .3s var(--ease);
    overflow-y:auto;z-index:79;
    box-shadow:-10px 0 40px rgba(22,17,31,.08);
  }
  body.nav-open .main-nav{transform:translateX(0)}
  .nav-link{
    display:block;width:100%;font-size:20px;font-weight:600;
    padding:20px 4px;border-bottom:1px solid var(--line);color:var(--ink);
  }
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--brand)}
  .nav-link.is-active::before{width:8px;height:8px}
  .hero{padding:48px 0 52px}
  .hero-sub{font-size:16.5px}
  .hero-actions .btn{width:100%}
  .hero-stats{margin-top:36px}
  .stat-num{font-size:26px}
  .section-head{margin-bottom:28px}
  .point-item{gap:16px;padding:22px 12px 22px 14px}
  .point-num{flex:0 0 42px;font-size:20px}
  .point-body h3{font-size:17px}
  .compare-wrap{margin-top:52px}
  .compare-col{padding:28px 22px 32px}
  .rail{
    grid-template-columns:1fr;gap:18px;
    margin:0 -18px;padding:0 18px 6px;
    overflow-x:auto;scroll-snap-type:x mandatory;
    grid-auto-flow:column;grid-auto-columns:82%;
  }
  .rail-card{scroll-snap-align:start;box-shadow:none}
  .rail-card:hover{transform:none}
  .cta-band{padding:40px 22px;border-radius:var(--r-md)}
  .sub-form{flex-direction:column}
  .sub-form .btn{width:100%}
  .faq-item summary{font-size:16px;padding:18px 42px 18px 0}
  .faq-answer{padding:0 12px 22px 16px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;gap:8px;margin-top:40px}
  .site-footer{margin-top:56px;padding-top:52px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}