/* roulang page: index */
:root{
  --bg:#0A0918;
  --panel:#121026;
  --card:#1B1836;
  --raised:#262246;
  --line:rgba(150,130,255,.16);
  --primary:#7A4DFF;
  --primary-press:#5B2FE0;
  --action:#1FE0C8;
  --action-deep:#12B7A4;
  --gold:#FFC862;
  --text:#F1EEFF;
  --text-2:#B9B2DC;
  --text-3:#8B83B4;
  --paper:#F5F3FC;
  --paper-2:#FFFFFF;
  --paper-text:#1A1730;
  --paper-text-2:#4B4569;
  --danger:#FF6B7A;
  --r-s:8px;
  --r-m:14px;
  --r-l:22px;
  --r-p:999px;
  --sh-soft:0 1px 2px rgba(11,10,22,.06),0 12px 32px rgba(11,10,22,.10);
  --sh-card:0 1px 2px rgba(11,10,22,.05),0 8px 22px rgba(11,10,22,.08);
  --glow:0 8px 32px rgba(122,77,255,.18);
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:ui-monospace,"SF Mono",Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:17px;
  line-height:1.9;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--action);text-decoration:none;transition:color .18s ease-out;}
a:hover{color:#7BFFF0;}
p{margin:0 0 1.15em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0 0 .6em;font-weight:700;letter-spacing:0;color:inherit;line-height:1.3;}
h1{font-size:48px;line-height:1.2;}
h2{font-size:34px;line-height:1.3;}
h3{font-size:24px;line-height:1.4;}
h4{font-size:19px;line-height:1.45;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--action);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(122,77,255,.5);color:#fff;}

/* ---------- 布局容器 ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.row{max-width:none;margin-left:-12px;margin-right:-12px;}
.row::before,.row::after{content:" ";display:table;}
.row::after{clear:both;}
.column,.columns{padding-left:12px;padding-right:12px;}

/* ---------- 通用排版件 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;line-height:1.6;font-weight:600;letter-spacing:.14em;
  color:var(--action);text-transform:uppercase;margin:0 0 16px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--action));}
.lead{font-size:16px;line-height:1.85;color:var(--text-2);max-width:36em;}
.muted{color:var(--text-3);font-size:13px;line-height:1.6;}
.section{padding:96px 0;position:relative;}
.section-head{margin-bottom:48px;max-width:760px;}
.section-head p{color:var(--text-2);font-size:16px;line-height:1.85;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:14px 28px;border-radius:var(--r-p);
  font-size:15px;font-weight:600;letter-spacing:.02em;line-height:1;
  border:1px solid transparent;background:none;cursor:pointer;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out;
  text-align:center;white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--action),var(--action-deep));color:#0A0918;border-color:transparent;}
.btn-primary:hover{color:#0A0918;transform:translateY(-2px);box-shadow:0 0 24px rgba(31,224,200,.35);}
.btn-primary:active{transform:translateY(1px);box-shadow:none;}
.btn-ghost{background:transparent;border-color:rgba(122,77,255,.6);color:#CBB9FF;}
.btn-ghost:hover{background:rgba(122,77,255,.12);color:#E2D8FF;border-color:var(--primary);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:44px;padding:12px 20px;font-size:14px;}
.btn-block{display:flex;width:100%;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;padding:10px 2px;min-height:44px;
  color:var(--text-2);font-size:15px;font-weight:600;border:0;background:none;
  border-bottom:2px solid transparent;text-underline-offset:4px;
}
.btn-text:hover{color:var(--action);border-bottom-color:rgba(31,224,200,.5);}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-p);
  font-size:13px;line-height:1.6;font-weight:600;letter-spacing:.02em;
  background:rgba(122,77,255,.18);color:#CBB9FF;border:1px solid rgba(122,77,255,.34);
}
.badge-gold{background:rgba(255,200,98,.14);color:var(--gold);border-color:rgba(255,200,98,.4);}
.badge-action{background:rgba(31,224,200,.14);color:#8DF6E6;border-color:rgba(31,224,200,.4);}
.badge-soft{background:rgba(122,77,255,.10);color:#6A3FE0;border-color:rgba(122,77,255,.22);}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--r-p);
  font-size:13px;line-height:1.6;color:var(--text-2);
  background:rgba(150,130,255,.10);border:1px solid var(--line);
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:linear-gradient(180deg,rgba(10,9,24,.98),rgba(10,9,24,.94));
  border-bottom:1px solid rgba(150,130,255,.10);
  padding:14px 0;
}
.nav-panel{
  position:relative;
  display:flex;align-items:center;gap:24px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  padding:12px 16px;
  box-shadow:var(--glow);
}
.nav-panel::before{
  content:"";position:absolute;top:0;left:24px;right:24px;height:3px;
  border-radius:0 0 4px 4px;
  background:linear-gradient(90deg,var(--primary),var(--action));
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:700;color:var(--text);letter-spacing:.01em;
  flex:0 0 auto;
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:radial-gradient(circle at 30% 25%,rgba(31,224,200,.35),transparent 60%),linear-gradient(135deg,var(--primary),#3A1E8C);
  border:1px solid rgba(31,224,200,.5);
  font-size:14px;color:var(--gold);
  box-shadow:0 0 18px rgba(122,77,255,.4);
}
.nav-cats{display:flex;align-items:center;gap:10px;margin:0 auto;}
.nav-cat{
  position:relative;
  display:inline-flex;align-items:center;gap:8px;
  height:46px;padding:0 16px;border-radius:12px;
  background:rgba(255,255,255,.06);
  border:1px solid transparent;
  color:var(--text-2);font-size:14px;font-weight:600;
  transition:background-color .18s ease-out,transform .18s ease-out,color .18s ease-out,border-color .18s ease-out;
  white-space:nowrap;
}
.nav-cat i{font-size:15px;transition:color .18s ease-out;}
.nav-cat:hover{background:rgba(255,255,255,.14);color:var(--text);transform:translateY(-1px);}
.nav-cat:hover i{color:var(--action);}
.nav-cat.active{color:var(--text);background:rgba(31,224,200,.08);border-color:rgba(31,224,200,.45);}
.nav-cat.active i{color:var(--action);}
.nav-cat.active::before{
  content:"";position:absolute;top:-1px;left:14px;right:14px;height:3px;
  border-radius:3px;background:var(--action);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:46px;height:46px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.06);border:1px solid transparent;
  color:var(--text-2);font-size:16px;
  transition:background-color .18s ease-out,color .18s ease-out,transform .18s ease-out;
}
.icon-btn:hover{background:rgba(255,255,255,.14);color:var(--action);transform:translateY(-1px);}
.hamburger{display:none;}

/* ---------- 移动端抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:120;
  background:linear-gradient(160deg,#0A0918 0%,#17123A 100%);
  padding:20px;
  transform:translateX(100%);
  transition:transform .22s ease-out;
  overflow-y:auto;
  visibility:hidden;
}
.drawer.is-open{transform:translateX(0);visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.drawer-close{
  width:46px;height:46px;border-radius:12px;border:1px solid var(--line);
  background:rgba(255,255,255,.06);color:var(--text);font-size:20px;
  display:inline-flex;align-items:center;justify-content:center;
}
.drawer-close:hover{background:rgba(255,255,255,.14);color:var(--action);}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:24px;}
.drawer-cat{
  display:flex;flex-direction:column;gap:8px;
  padding:16px;border-radius:var(--r-m);
  background:var(--card);border:1px solid var(--line);
  color:var(--text-2);font-size:14px;font-weight:600;min-height:96px;
}
.drawer-cat i{font-size:18px;color:var(--action);}
.drawer-cat.active{border-color:rgba(31,224,200,.5);color:var(--text);background:rgba(31,224,200,.08);}
.drawer-cta{width:100%;margin-top:8px;}

/* ---------- 倒计时条 ---------- */
.countdown-bar{
  background:linear-gradient(90deg,rgba(122,77,255,.30),rgba(31,224,200,.10) 70%,transparent);
  border-bottom:1px solid var(--line);
  min-height:56px;
  display:flex;align-items:center;
}
.countdown-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;width:100%;padding-top:8px;padding-bottom:8px;}
.cd-label{margin:0;font-size:14px;color:var(--text-2);display:inline-flex;align-items:center;gap:8px;line-height:1.6;}
.cd-label i{color:var(--gold);}
.countdown{display:flex;align-items:center;gap:0;}
.cd-unit{display:flex;align-items:baseline;gap:6px;padding:0 16px;position:relative;}
.cd-unit + .cd-unit::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;background:rgba(150,130,255,.25);}
.cd-num{font-family:var(--mono);font-size:22px;font-weight:700;color:var(--gold);letter-spacing:.04em;min-width:34px;text-align:right;}
.cd-cap{font-size:12px;color:var(--text-3);}

/* ---------- Hero ---------- */
.hero{padding:72px 0 88px;position:relative;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 18% 22%,rgba(122,77,255,.35),transparent 42%),radial-gradient(circle at 82% 12%,rgba(31,224,200,.16),transparent 40%);
  pointer-events:none;
}
.hero .row{position:relative;}
.hero-copy{padding-top:8px;}
.hero h1{margin-bottom:20px;}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,var(--action),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-sub{font-size:18px;line-height:1.8;color:var(--text-2);max-width:32em;margin-bottom:24px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;}
.hero-tags .tag{padding:8px 16px;background:rgba(122,77,255,.14);border-color:rgba(122,77,255,.28);color:#D6CBFF;font-weight:600;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-visual{position:relative;padding:8px 0 40px 32px;}
.hero-main{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-l);border:1px solid var(--line);
  box-shadow:0 24px 60px rgba(6,4,20,.55);
}
.hero-sub-img{
  position:absolute;right:-8px;bottom:0;width:46%;aspect-ratio:3/2;object-fit:cover;
  border-radius:var(--r-m);border:2px solid rgba(31,224,200,.35);
  box-shadow:0 18px 40px rgba(6,4,20,.6);
}
.hero-stars{
  position:absolute;inset:0;pointer-events:none;opacity:.12;border-radius:var(--r-l);
  background-image:radial-gradient(rgba(255,255,255,.9) 1px,transparent 1px),radial-gradient(rgba(31,224,200,.9) 1px,transparent 1px);
  background-size:38px 38px,74px 74px;background-position:0 0,18px 22px;
}
.hero-metrics{display:flex;flex-wrap:wrap;gap:32px;margin-top:36px;}
.metric{display:flex;flex-direction:column;gap:2px;}
.metric b{font-family:var(--mono);font-size:26px;font-weight:700;color:var(--text);letter-spacing:.02em;}
.metric span{font-size:13px;color:var(--text-3);}

/* ---------- 卖点区 ---------- */
.section-highlights{padding:96px 0;border-top:1px solid rgba(150,130,255,.08);}
.hl-head{align-items:flex-start;}
.hl-aside{padding-right:40px;}
.hl-aside h2{margin-bottom:16px;}
.hl-aside .lead{margin-bottom:24px;}
.point-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.point-card{
  background:var(--card);border:1px solid rgba(122,77,255,.22);
  border-radius:var(--r-m);padding:24px;
  display:flex;flex-direction:column;gap:12px;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.point-card:hover{transform:translateY(-3px);box-shadow:var(--glow);border-color:rgba(31,224,200,.36);}
.point-card:nth-child(2){margin-top:24px;}
.point-card:nth-child(4){margin-top:-24px;}
.point-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.point-no{
  font-family:var(--mono);font-size:13px;font-weight:700;color:var(--gold);
  border:1px solid rgba(255,200,98,.45);border-radius:var(--r-p);
  padding:3px 10px;letter-spacing:.08em;
}
.point-card i.point-icon{font-size:20px;color:var(--action);}
.point-card h3{font-size:20px;margin:0;}
.point-card p{font-size:15px;line-height:1.75;color:var(--text-2);margin:0;}

/* ---------- 亮点图墙 ---------- */
.section-wall{padding:96px 0;background:linear-gradient(180deg,rgba(18,16,38,.7),rgba(10,9,24,0));border-top:1px solid rgba(150,130,255,.08);}
.wall{display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:196px;gap:16px;}
.wall-item{position:relative;overflow:hidden;border-radius:var(--r-m);border:1px solid var(--line);display:block;min-height:44px;}
.wall-item.a{grid-column:span 6;grid-row:span 2;}
.wall-item.b,.wall-item.c{grid-column:span 3;}
.wall-item.d,.wall-item.e{grid-column:span 3;}
.wall-item.f{grid-column:span 12;grid-row:span 1;}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .28s ease-out;}
.wall-item::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,9,24,.05) 30%,rgba(10,9,24,.82));transition:background-color .22s ease-out;}
.wall-item:hover img{transform:scale(1.03);}
.wall-item:hover::after{background:linear-gradient(180deg,rgba(10,9,24,.28) 10%,rgba(10,9,24,.9));}
.wall-cap{position:absolute;left:20px;right:20px;bottom:16px;z-index:2;}
.wall-cap h3{font-size:18px;margin:0 0 4px;color:#fff;}
.wall-cap p{margin:0;font-size:13px;color:rgba(241,238,255,.72);line-height:1.6;}
.wall-arrow{
  position:absolute;top:16px;right:16px;z-index:2;
  width:36px;height:36px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(31,224,200,.9);color:#0A0918;font-size:13px;
  opacity:0;transform:translateY(-4px);
  transition:opacity .2s ease-out,transform .2s ease-out;
}
.wall-item:hover .wall-arrow{opacity:1;transform:translateY(0);}

/* ---------- 报名 CTA ---------- */
.section-join{padding:96px 0;}
.join-band{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,#2A1A6B 0%,#14102E 55%,#0A0918 100%);
  border:1px solid rgba(122,77,255,.3);
  border-radius:var(--r-l);
  padding:48px;
  box-shadow:0 24px 60px rgba(6,4,20,.5);
}
.join-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.1;
  background-image:radial-gradient(rgba(255,255,255,.9) 1px,transparent 1px);
  background-size:34px 34px;
}
.join-band .row{position:relative;}
.join-copy h2{margin-bottom:16px;}
.join-copy p{color:var(--text-2);font-size:16px;}
.join-points{display:flex;flex-direction:column;gap:12px;margin-top:24px;}
.join-points li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--text-2);}
.join-points i{color:var(--action);margin-top:5px;}
.join-form{
  background:rgba(27,24,54,.86);
  border:1px solid var(--line);
  border-radius:var(--r-m);
  padding:28px;
  box-shadow:var(--glow);
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--text-2);margin-bottom:8px;}
.field input[type="text"],.field textarea{
  width:100%;background:rgba(10,9,24,.72);
  border:1px solid rgba(150,130,255,.26);border-radius:var(--r-s);
  padding:13px 16px;font-size:15px;color:var(--text);
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.field textarea{resize:vertical;min-height:96px;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--action);box-shadow:0 0 0 3px rgba(31,224,200,.16);}
.field.has-error input,.field.has-error textarea{border-color:var(--danger);}
.field-error{margin:8px 0 0;font-size:13px;color:var(--danger);line-height:1.6;}
.check{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-2);margin-bottom:20px;line-height:1.7;cursor:pointer;}
.check input{appearance:none;-webkit-appearance:none;width:20px;height:20px;flex:0 0 20px;margin-top:3px;border-radius:5px;border:1px solid rgba(150,130,255,.45);background:rgba(10,9,24,.7);position:relative;cursor:pointer;}
.check input:checked{background:var(--action);border-color:var(--action);}
.check input:checked::after{content:"\2713";position:absolute;inset:0;color:#0A0918;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;}
.form-note{font-size:13px;color:var(--text-3);margin:14px 0 0;line-height:1.7;}
.form-success{
  margin:14px 0 0;font-size:14px;color:#8DF6E6;line-height:1.7;
  background:rgba(31,224,200,.12);border:1px solid rgba(31,224,200,.4);
  border-radius:var(--r-s);padding:12px 16px;
}

/* ---------- 浅色纸区：最新信息 ---------- */
.section-paper{background:var(--paper);color:var(--paper-text);padding:96px 0;}
.section-paper h2,.section-paper h3{color:var(--paper-text);}
.section-paper .eyebrow{color:#5B2FE0;}
.section-paper .eyebrow::before{background:linear-gradient(90deg,#7A4DFF,#12B7A4);}
.section-paper .section-head p{color:var(--paper-text-2);}
.paper-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.paper-head h2{margin:0 0 8px;}
.paper-head p{margin:0;color:var(--paper-text-2);font-size:15px;}
.paper-link{display:inline-flex;align-items:center;gap:8px;min-height:44px;font-size:15px;font-weight:600;color:#5B2FE0;border-bottom:2px solid transparent;}
.paper-link:hover{color:#2E12A0;border-bottom-color:#2E12A0;}
.news-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:24px;align-items:start;}
.news-feature{
  background:var(--paper-2);border:1px solid rgba(26,23,48,.08);border-radius:var(--r-m);
  overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.news-feature:hover{transform:translateY(-2px);box-shadow:var(--sh-soft);}
.nf-media{display:block;overflow:hidden;aspect-ratio:16/9;}
.nf-media img{width:100%;height:100%;object-fit:cover;transition:transform .28s ease-out;}
.news-feature:hover .nf-media img{transform:scale(1.03);}
.nf-body{padding:28px;}
.nf-body h3{font-size:22px;margin:14px 0 12px;}
.nf-body h3 a{color:var(--paper-text);}
.nf-body h3 a:hover{color:#5B2FE0;}
.nf-body p{font-size:15px;line-height:1.8;color:var(--paper-text-2);margin-bottom:16px;}
.news-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:#6E6790;}
.news-list{display:flex;flex-direction:column;gap:14px;}
.news-row{
  display:flex;gap:18px;align-items:flex-start;
  background:var(--paper-2);border:1px solid rgba(26,23,48,.08);border-radius:var(--r-m);
  padding:20px;box-shadow:0 1px 2px rgba(11,10,22,.05);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.news-row:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(11,10,22,.10);border-color:rgba(122,77,255,.24);}
.nr-thumb{width:112px;flex:0 0 112px;aspect-ratio:3/2;border-radius:var(--r-s);overflow:hidden;}
.nr-thumb img{width:100%;height:100%;object-fit:cover;}
.nr-body{min-width:0;flex:1;}
.nr-body h3{font-size:17px;line-height:1.5;margin:8px 0 8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.nr-body h3 a{color:var(--paper-text);}
.nr-body h3 a:hover{color:#5B2FE0;}
.nr-body p{font-size:14px;line-height:1.75;color:var(--paper-text-2);margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.nr-arrow{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:#5B2FE0;min-height:44px;}
.nr-arrow:hover{color:#2E12A0;}
.empty-state{
  background:var(--paper-2);border:1px dashed rgba(26,23,48,.2);border-radius:var(--r-m);
  padding:56px 28px;text-align:center;box-shadow:0 1px 2px rgba(11,10,22,.05);
}
.empty-state i{font-size:28px;color:#7A4DFF;}
.empty-state p{margin:16px 0 20px;color:var(--paper-text-2);font-size:15px;}

/* ---------- 浅色纸区：FAQ ---------- */
.section-faq{background:var(--paper-2);color:var(--paper-text);padding:96px 0 104px;border-top:1px solid rgba(26,23,48,.06);}
.section-faq h2{color:var(--paper-text);}
.faq-wrap{max-width:840px;margin:0 auto;}
.accordion{border:0;background:transparent;margin:0;}
.accordion .accordion-item{
  border:1px solid rgba(26,23,48,.10);border-radius:var(--r-m);
  background:var(--paper-2);margin-bottom:12px;
  box-shadow:0 1px 2px rgba(11,10,22,.05);
  transition:box-shadow .2s ease-out,box-shadow .2s ease-out;
  overflow:hidden;
}
.accordion .accordion-item:hover{box-shadow:0 8px 22px rgba(11,10,22,.08);}
.accordion .accordion-item.is-active{box-shadow:inset 3px 0 0 var(--action-deep),0 8px 22px rgba(11,10,22,.08);}
.accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:17px;font-weight:600;line-height:1.5;
  color:var(--paper-text);background:none;border:0;
}
.accordion .accordion-title::before{
  content:"\FF0B";order:2;flex:0 0 auto;
  font-size:18px;font-weight:400;color:#7A4DFF;line-height:1;
  transition:transform .2s ease-out,color .2s ease-out;
}
.accordion .accordion-item.is-active .accordion-title::before{content:"\FF0D";color:var(--action-deep);transform:rotate(180deg);}
.accordion .accordion-title:hover{color:#4B2FC9;}
.accordion .accordion-content{padding:0 24px 20px;border:0;background:none;color:var(--paper-text-2);font-size:15.5px;line-height:1.85;}
.accordion .accordion-content p{margin:0;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#080713;
  border-top:1px solid var(--line);
  padding:72px 0 32px;
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--primary),var(--action),transparent);
}
.footer-top{padding-bottom:48px;border-bottom:1px solid rgba(150,130,255,.10);}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--text-3);max-width:30em;}
.footer-title{font-size:15px;font-weight:700;color:var(--text);margin:0 0 16px;}
.footer-cats{display:flex;flex-wrap:wrap;gap:10px;}
.footer-cats a{
  display:inline-flex;align-items:center;min-height:44px;
  padding:8px 14px;border-radius:var(--r-p);
  background:rgba(122,77,255,.12);border:1px solid rgba(122,77,255,.24);
  font-size:13px;color:#C6BAF2;
}
.footer-cats a:hover{background:rgba(31,224,200,.14);border-color:rgba(31,224,200,.4);color:#9DF7E9;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{font-size:14px;color:var(--text-3);min-height:24px;display:inline-flex;align-items:center;}
.footer-links a:hover{color:var(--action);}
.footer-contact{display:flex;flex-direction:column;gap:12px;font-size:14px;color:var(--text-3);}
.footer-contact span{display:inline-flex;align-items:center;gap:8px;}
.footer-contact i{color:var(--action);width:16px;}
.qr-box{
  width:96px;height:96px;border-radius:var(--r-s);
  border:1px solid var(--line);background:rgba(255,255,255,.05);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  font-size:12px;color:var(--text-3);margin-top:16px;
}
.qr-box i{font-size:24px;color:var(--text-2);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding-top:28px;font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-2);}
.footer-bottom a:hover{color:var(--action);}

/* ---------- 滚动进入动效 ---------- */
.js-ready .reveal{opacity:0;transform:translateY(14px);}
.js-ready .reveal.is-in{opacity:1;transform:none;transition:opacity .4s ease-out,transform .4s ease-out;}

/* ---------- 断点：超大屏 >=1200 ---------- */
@media screen and (min-width:1200px){
  .container{padding:0 32px;}
  .hero{padding:80px 0 96px;}
}
/* ---------- 断点：大屏 1024-1199 ---------- */
@media screen and (min-width:1024px) and (max-width:1199px){
  .container{padding:0 28px;}
  h1{font-size:42px;}
  h2{font-size:30px;}
  .nav-panel{gap:16px;padding:10px 14px;}
  .nav-cat{padding:0 12px;font-size:13px;height:44px;}
  .hl-aside{padding-right:20px;}
  .join-band{padding:40px 32px;}
}
/* ---------- 断点：中屏 640-1023 ---------- */
@media screen and (max-width:1023px){
  .section,.section-highlights,.section-wall,.section-join,.section-paper,.section-faq{padding:72px 0;}
  h1{font-size:36px;}
  h2{font-size:27px;}
  h3{font-size:21px;}
  body{font-size:16.5px;}
  .nav-cats{display:none;}
  .hamburger{display:inline-flex;}
  .nav-panel{gap:12px;justify-content:space-between;}
  .hl-aside{padding-right:0;margin-bottom:32px;}
  .point-card:nth-child(2),.point-card:nth-child(4){margin-top:0;}
  .news-grid{grid-template-columns:1fr;}
  .hero{padding:56px 0 64px;}
  .hero-visual{padding:32px 24px 40px 0;}
  .join-band{padding:36px 28px;}
  .wall{grid-auto-rows:180px;}
  .wall-item.a{grid-column:span 12;grid-row:span 2;}
  .wall-item.b,.wall-item.c,.wall-item.d,.wall-item.e{grid-column:span 6;}
  .wall-item.f{grid-column:span 12;}
  .footer-top{padding-bottom:36px;}
  .site-footer .column{margin-bottom:32px;}
}
/* ---------- 断点：小屏 <640 ---------- */
@media screen and (max-width:639px){
  .container{padding:0 20px;}
  body{font-size:16px;line-height:1.85;}
  h1{font-size:30px;line-height:1.3;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  h4{font-size:17px;}
  .section,.section-highlights,.section-wall,.section-join,.section-paper,.section-faq{padding:56px 0;}
  .hero{padding:40px 0 48px;}
  .hero-sub{font-size:16px;}
  .hero-actions{flex-direction:column;}
  .hero-actions .btn{width:100%;}
  .hero-visual{padding:24px 16px 32px 0;}
  .hero-metrics{gap:20px;}
  .metric b{font-size:22px;}
  .brand{font-size:16px;}
  .brand-mark{width:30px;height:30px;flex:0 0 30px;font-size:12px;}
  .nav-actions .btn{padding:12px 18px;font-size:14px;}
  .countdown-inner{gap:12px;flex-direction:column;align-items:flex-start;}
  .cd-unit{padding:0 10px;}
  .cd-unit.mob-hide{display:none;}
  .cd-num{font-size:18px;min-width:28px;}
  .point-grid{grid-template-columns:1fr;}
  .wall{grid-template-columns:1fr 1fr;grid-auto-rows:150px;}
  .wall-item.a,.wall-item.f{grid-column:span 2;grid-row:span 1;}
  .wall-item.b,.wall-item.c,.wall-item.d,.wall-item.e{grid-column:span 1;}
  .join-band{padding:28px 20px;border-radius:var(--r-m);}
  .join-form{padding:22px 18px;}
  .paper-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .news-row{flex-direction:column;gap:12px;}
  .nr-thumb{width:100%;flex:0 0 auto;aspect-ratio:16/9;}
  .nf-body{padding:20px;}
  .accordion .accordion-title{padding:16px 18px;font-size:16px;}
  .accordion .accordion-content{padding:0 18px 18px;font-size:15px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .drawer-grid{grid-template-columns:1fr 1fr;}
}
@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
  .js-ready .reveal{opacity:1 !important;transform:none !important;}
}

/* roulang page: article */
:root{
  --bg:#0A0918;
  --panel:#121026;
  --card:#1B1836;
  --raise:#262246;
  --line:rgba(150,130,255,.16);
  --line-strong:rgba(122,77,255,.22);
  --primary:#7A4DFF;
  --primary-press:#5B2FE0;
  --action:#1FE0C8;
  --action-deep:#12B7A4;
  --gold:#FFC862;
  --text:#F1EEFF;
  --text-2:#B9B2DC;
  --text-3:#8B83B4;
  --paper:#F5F3FC;
  --paper-2:#FFFFFF;
  --paper-text:#1A1730;
  --paper-text-2:#4B4570;
  --danger:#FF6B7A;
  --r-s:8px;
  --r-m:14px;
  --r-l:22px;
  --r-pill:999px;
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:32px;
  --sp-5:56px;
  --sp-6:72px;
  --sp-7:96px;
  --shadow-paper:0 1px 2px rgba(11,10,22,.06),0 12px 32px rgba(11,10,22,.10);
  --glow:0 8px 32px rgba(122,77,255,.18);
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:ui-monospace,"SF Mono",Consolas,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:17px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease-out,border-color .18s ease-out,background-color .18s ease-out}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--action);outline-offset:2px}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:.01em}
p{margin:0 0 1.15em}
ul,ol{margin:0 0 1.15em;padding-left:1.25em}
button{font-family:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--sp-4)}
.row{max-width:none}
.section{padding:var(--sp-7) 0}
.section--light{background:var(--paper);color:var(--paper-text)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--sp-3);margin-bottom:var(--sp-4)}
.section-head h2{font-size:34px;line-height:1.3}
.section-head p{margin:var(--sp-2) 0 0;color:var(--text-2);max-width:640px;font-size:15px;line-height:1.75}
.section--light .section-head p{color:var(--paper-text-2)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.12em;color:var(--action);text-transform:uppercase;margin-bottom:var(--sp-2)}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--action))}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  padding:14px 0 12px;
  background:rgba(10,9,24,.86);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-panel{
  position:relative;
  display:flex;align-items:center;gap:var(--sp-3);
  background:linear-gradient(180deg,#171432,#121026 70%);
  border:1px solid var(--line-strong);
  border-radius:var(--r-l);
  box-shadow:var(--glow);
  padding:12px 16px 12px 18px;
  overflow:hidden;
}
.nav-panel::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--primary),var(--action));
}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;white-space:nowrap;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--primary),#3B1F8C);
  border:1px solid rgba(31,224,200,.35);
  color:var(--gold);font-size:15px;
}
.nav-cats{display:flex;align-items:center;gap:10px;margin:0 auto;flex-wrap:nowrap}
.nav-cat{
  display:inline-flex;align-items:center;gap:8px;
  min-height:48px;padding:0 14px;
  border-radius:12px;border:1px solid transparent;
  background:rgba(255,255,255,.08);
  color:var(--text-2);
  font-size:14px;font-weight:600;
  white-space:nowrap;
}
.nav-cat i{font-size:15px;color:var(--text-3);transition:color .18s ease-out}
.nav-cat:hover{background:rgba(255,255,255,.14);color:var(--text);transform:translateY(-1px)}
.nav-cat:hover i{color:var(--action)}
.nav-cat.active{color:var(--text);border-color:var(--action);box-shadow:inset 0 3px 0 var(--action)}
.nav-cat.active i{color:var(--action)}
.nav-side{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:44px;height:44px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);border:1px solid var(--line);
  color:var(--text-2);cursor:pointer;font-size:15px;
}
.icon-btn:hover{background:rgba(255,255,255,.14);color:var(--text)}
.nav-toggle{display:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:14px 28px;
  border-radius:var(--r-pill);border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  cursor:pointer;transition:transform .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out,color .18s ease-out;
}
.btn-primary{background:linear-gradient(135deg,var(--action),var(--action-deep));color:#0A0918}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 24px rgba(31,224,200,.35);color:#0A0918}
.btn-primary:active{transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:#CDBBFF}
.btn-ghost:hover{background:rgba(122,77,255,.12);color:var(--text)}
.btn-sm{padding:10px 18px;min-height:40px;font-size:14px}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--action);font-size:15px;font-weight:600}
.link-more:hover{color:#7FF6E6}
.nav-drawer{
  position:fixed;inset:0;z-index:80;
  background:rgba(10,9,24,.97);
  padding:20px;
  display:none;
}
.nav-drawer.open{display:block}
.nav-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--sp-3)}
.nav-drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:var(--sp-3)}
.nav-drawer-grid .nav-cat{justify-content:flex-start;width:100%;min-height:56px}
.nav-drawer .btn{width:100%}
.nav-ticker{
  margin-top:10px;
  height:40px;border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  display:flex;align-items:center;gap:12px;padding:0 16px;
  font-size:13px;color:var(--text-2);
  overflow:hidden;white-space:nowrap;
}
.nav-ticker strong{color:var(--gold);font-weight:600}
.nav-ticker .dot{width:8px;height:8px;border-radius:50%;background:var(--action);flex:0 0 auto;box-shadow:0 0 10px rgba(31,224,200,.8)}

/* ============ 面包屑 ============ */
.crumb-bar{padding:var(--sp-3) 0 0;font-size:13px;color:var(--text-3)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb a{color:var(--text-2);border-bottom:1px solid transparent}
.crumb a:hover{color:var(--action);border-bottom-color:var(--action)}
.crumb .sep{color:var(--text-3);opacity:.7}
.crumb .current{color:var(--text-3);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章头部 ============ */
.article-head{padding:var(--sp-4) 0 var(--sp-5)}
.article-head .badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--r-pill);font-size:13px;font-weight:600;color:var(--gold);border:1px solid rgba(255,200,98,.35);background:rgba(255,200,98,.08)}
.article-head h1{font-size:44px;line-height:1.2;margin:var(--sp-3) 0 var(--sp-2);max-width:960px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;font-size:13px;color:var(--text-3)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--text-3)}
.article-lead{margin-top:var(--sp-3);max-width:820px;color:var(--text-2);font-size:17px;line-height:1.85}
.cover-frame{
  margin-top:var(--sp-4);
  border-radius:var(--r-l);overflow:hidden;
  border:1px solid var(--line-strong);
  box-shadow:var(--glow);
  background:var(--card);
  aspect-ratio:16/9;
}
.cover-frame img{width:100%;height:100%;object-fit:cover}
.cover-cap{font-size:13px;color:var(--text-3);text-align:center;margin:12px 0 0}

/* ============ 正文 ============ */
.article-main{padding:0 0 var(--sp-7)}
.paper-card{
  background:var(--paper-2);
  color:var(--paper-text);
  border-radius:var(--r-l);
  box-shadow:var(--shadow-paper);
  padding:48px;
}
.article-body{max-width:800px;margin:0 auto}
.article-body>*:first-child{margin-top:0}
.article-body p{font-size:17px;line-height:1.9;color:var(--paper-text);margin:0 0 1.15em}
.article-body h2{font-size:28px;line-height:1.35;color:var(--paper-text);margin:var(--sp-5) 0 var(--sp-2);padding-left:14px;border-left:4px solid var(--primary)}
.article-body h3{font-size:21px;line-height:1.4;color:var(--paper-text);margin:var(--sp-4) 0 var(--sp-2)}
.article-body h4{font-size:18px;margin:var(--sp-3) 0 12px;color:var(--paper-text)}
.article-body a{color:var(--primary-press);border-bottom:1px solid rgba(91,47,224,.35)}
.article-body a:hover{color:#3F16B8;border-bottom-color:#3F16B8}
.article-body ul,.article-body ol{padding-left:1.3em;color:var(--paper-text)}
.article-body li{margin-bottom:8px;line-height:1.85}
.article-body img{border-radius:var(--r-m);margin:var(--sp-3) 0}
.article-body figure{margin:var(--sp-4) 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body blockquote{
  margin:var(--sp-3) 0;padding:18px 22px;
  background:var(--paper);border-left:4px solid var(--primary);
  border-radius:0 var(--r-m) var(--r-m) 0;
  color:var(--paper-text-2);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{width:100%;border-collapse:collapse;margin:var(--sp-3) 0;font-size:15px}
.article-body th,.article-body td{border:1px solid rgba(26,23,48,.12);padding:12px 14px;text-align:left}
.article-body th{background:var(--paper);font-weight:600}
.article-body code{font-family:var(--mono);font-size:14px;background:#EFEBFB;color:#3F16B8;padding:2px 6px;border-radius:6px}
.article-body pre{background:#121026;color:#F1EEFF;padding:20px;border-radius:var(--r-m);overflow:auto;font-family:var(--mono);font-size:14px;line-height:1.7}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body hr{border:0;border-top:1px solid rgba(26,23,48,.12);margin:var(--sp-4) 0}
.article-body strong{font-weight:700}

.side-nav{position:sticky;top:112px}
.side-card{
  background:var(--card);border:1px solid var(--line-strong);
  border-radius:var(--r-m);padding:20px;
}
.side-card h4{font-size:15px;color:var(--text);margin-bottom:var(--sp-2);letter-spacing:.02em}
.side-card ol{list-style:none;margin:0;padding:0;counter-reset:s}
.side-card li{counter-increment:s;margin-bottom:10px}
.side-card a{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--text-2);line-height:1.6}
.side-card a::before{content:counter(s,decimal-leading-zero);font-family:var(--mono);font-size:12px;color:var(--text-3);padding-top:3px}
.side-card a:hover{color:var(--action)}
.side-cta{
  margin-top:var(--sp-3);padding:20px;border-radius:var(--r-m);
  background:linear-gradient(150deg,#2A1F63,#141130);
  border:1px solid var(--line-strong);
}
.side-cta h4{font-size:16px;margin-bottom:10px}
.side-cta p{font-size:14px;color:var(--text-2);line-height:1.7}
.side-cta .btn{width:100%;margin-top:6px}

/* ============ 标签与分享 ============ */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:var(--sp-4);padding-top:var(--sp-3);border-top:1px solid var(--line)}
.tag{display:inline-flex;align-items:center;padding:7px 15px;border-radius:var(--r-pill);background:rgba(122,77,255,.16);border:1px solid var(--line-strong);color:#CDBBFF;font-size:13px}
.tag:hover{background:rgba(122,77,255,.28);color:var(--text)}
.share-group{display:flex;align-items:center;gap:10px;margin-left:auto}
.share-group .icon-btn{background:rgba(255,255,255,.06)}
.share-group .icon-btn:hover{background:rgba(31,224,200,.18);color:var(--action)}

/* ============ 上下篇 ============ */
.pager-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-3)}
.pager-card{
  display:block;padding:22px 24px;border-radius:var(--r-m);
  background:var(--card);border:1px solid var(--line-strong);
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.pager-card:hover{transform:translateY(-2px);border-color:var(--action);box-shadow:var(--glow)}
.pager-card span{display:block;font-size:13px;color:var(--text-3);margin-bottom:8px}
.pager-card strong{display:block;font-size:16px;color:var(--text);line-height:1.6;font-weight:600}

/* ============ 相关推荐 ============ */
.reco-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-3)}
.reco-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--line-strong);border-radius:var(--r-m);
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.reco-card:hover{transform:translateY(-3px);border-color:var(--action);box-shadow:var(--glow)}
.reco-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.reco-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.reco-body .badge{display:inline-flex;align-self:flex-start;padding:4px 12px;border-radius:var(--r-pill);font-size:12px;color:var(--gold);border:1px solid rgba(255,200,98,.35)}
.reco-body h3{font-size:17px;line-height:1.55;font-weight:600}
.reco-body time{font-size:13px;color:var(--text-3);margin-top:auto}

/* ============ 返回入口 / CTA ============ */
.back-band{
  margin-top:var(--sp-6);
  border-radius:var(--r-l);
  padding:40px;
  background:linear-gradient(120deg,#2B1F66,#141130 60%,#0F0D22);
  border:1px solid var(--line-strong);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--sp-3);
}
.back-band h2{font-size:26px;margin-bottom:10px}
.back-band p{color:var(--text-2);font-size:15px;margin:0;max-width:560px}
.back-band .actions{display:flex;gap:12px;flex-wrap:wrap}
.empty-state{
  text-align:center;padding:var(--sp-6) var(--sp-3);
  background:var(--card);border:1px dashed var(--line-strong);border-radius:var(--r-l);
}
.empty-state i{font-size:34px;color:var(--primary);margin-bottom:var(--sp-2)}
.empty-state h2{font-size:24px;margin-bottom:12px}
.empty-state p{color:var(--text-2);font-size:15px;margin:0 0 var(--sp-3)}

/* ============ 页脚 ============ */
.site-footer{background:#080714;border-top:1px solid var(--line);padding:var(--sp-6) 0 var(--sp-3);margin-top:0}
.site-footer::before{content:"";display:block;height:1px;margin:-72px 0 72px;background:linear-gradient(90deg,transparent,var(--primary),var(--action),transparent)}
.footer-brand .brand{margin-bottom:var(--sp-2)}
.footer-brand p{color:var(--text-2);font-size:14px;line-height:1.8;max-width:320px}
.footer-title{font-size:15px;color:var(--text);margin-bottom:var(--sp-2);letter-spacing:.02em}
.footer-cats{display:flex;flex-wrap:wrap;gap:10px}
.footer-cats a{padding:7px 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.06);border:1px solid var(--line);font-size:13px;color:var(--text-2)}
.footer-cats a:hover{color:var(--action);border-color:var(--action)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--text-2)}
.footer-links a:hover{color:var(--action)}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:var(--text-2)}
.footer-contact i{color:var(--action);margin-right:8px}
.qr-box{margin-top:var(--sp-2);display:inline-flex;align-items:center;gap:12px;padding:12px 16px;border-radius:var(--r-m);background:rgba(255,255,255,.05);border:1px solid var(--line);font-size:13px;color:var(--text-2)}
.qr-box i{font-size:22px;color:var(--gold)}
.footer-bottom{margin-top:var(--sp-5);padding-top:var(--sp-3);border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--text-3)}
.footer-bottom a{color:var(--text-2);border-bottom:1px solid transparent}
.footer-bottom a:hover{color:var(--action);border-bottom-color:var(--action)}

/* ============ 响应式 ============ */
@media screen and (max-width:1199px){
  .container{padding:0 var(--sp-4)}
  .article-head h1{font-size:40px}
  .nav-cat{padding:0 12px;font-size:13px}
}
@media screen and (max-width:1023px){
  .section{padding:var(--sp-6) 0}
  .nav-cats{display:none}
  .nav-toggle{display:inline-flex}
  .nav-panel{justify-content:space-between}
  .section-head h2{font-size:28px}
  .article-head h1{font-size:34px}
  .paper-card{padding:32px}
  .reco-grid{grid-template-columns:1fr 1fr}
  .side-nav{position:static;margin-bottom:var(--sp-3)}
  .footer-brand,.footer-title{margin-top:var(--sp-3)}
}
@media screen and (max-width:767px){
  body{font-size:16px;line-height:1.85}
  .section{padding:var(--sp-5) 0}
  .section-head{flex-direction:column;align-items:flex-start}
  .section-head h2{font-size:24px}
  .article-head{padding:var(--sp-3) 0 var(--sp-4)}
  .article-head h1{font-size:30px;line-height:1.3}
  .article-lead{font-size:16px}
  .paper-card{padding:22px;border-radius:var(--r-m)}
  .article-body h2{font-size:23px}
  .article-body h3{font-size:19px}
  .article-body p{font-size:16px;line-height:1.85}
  .reco-grid{grid-template-columns:1fr}
  .pager-grid{grid-template-columns:1fr}
  .back-band{padding:26px;flex-direction:column;align-items:flex-start}
  .back-band .actions{width:100%}
  .back-band .actions .btn{flex:1}
  .share-group{margin-left:0;width:100%}
  .footer-bottom{flex-direction:column}
  .nav-ticker{font-size:12px}
}
@media screen and (max-width:519px){
  .container{padding:0 20px}
  .nav-panel{padding:10px 12px;border-radius:var(--r-m)}
  .brand{font-size:16px}
  .brand-mark{width:30px;height:30px;border-radius:10px}
  .article-head h1{font-size:26px}
  .cover-frame{aspect-ratio:4/3;border-radius:var(--r-m)}
  .paper-card{padding:18px}
  .footer-cats a{font-size:12px;padding:6px 12px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category1 */
:root{
  --bg:#0A0918;
  --panel:#121026;
  --card:#1B1836;
  --raised:#262246;
  --line:rgba(150,130,255,.16);
  --primary:#7A4DFF;
  --primary-dark:#5B2FE0;
  --action:#1FE0C8;
  --action-dark:#12B7A4;
  --gold:#FFC862;
  --text:#F1EEFF;
  --text-2:#B9B2DC;
  --text-3:#8B83B4;
  --paper:#F5F3FC;
  --paper-2:#FFFFFF;
  --paper-ink:#1A1730;
  --paper-ink-2:#575173;
  --radius-s:8px;
  --radius-m:14px;
  --radius-l:22px;
  --pill:999px;
  --shadow-paper:0 1px 2px rgba(11,10,22,.06), 0 12px 32px rgba(11,10,22,.10);
  --glow:0 8px 32px rgba(122,77,255,.18);
  --mono:ui-monospace,"SF Mono",Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--text);text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--action)}
h1,h2,h3,h4{margin:0;line-height:1.3;color:var(--text);font-weight:700}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--action);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.row{max-width:1200px;margin-left:auto;margin-right:auto}
.row::before,.row::after{display:none}
.column{padding-left:16px;padding-right:16px}
.section{padding:96px 0}
.section-tight{padding:64px 0}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  padding:16px 0 12px;
  background:linear-gradient(180deg,rgba(10,9,24,.96) 60%,rgba(10,9,24,.72));
  backdrop-filter:blur(10px);
}
.nav-card{
  position:relative;
  display:flex;align-items:center;gap:20px;
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:12px 16px;
  box-shadow:var(--glow);
}
.nav-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--primary),var(--action));
  border-radius:var(--radius-l) var(--radius-l) 0 0;
}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;letter-spacing:.01em;flex:0 0 auto}
.brand:hover{color:var(--text)}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--action));
  color:#0A0918;font-size:16px;
}
.nav-cats{display:flex;align-items:center;gap:10px;flex:1 1 auto;flex-wrap:wrap}
.nav-cat{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:0 16px;
  border-radius:12px;
  background:rgba(255,255,255,.08);
  border:1px solid transparent;
  font-size:14px;font-weight:600;color:var(--text-2);
  transition:transform .18s ease-out,background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.nav-cat i{font-size:15px;color:var(--text-3);transition:color .18s ease-out}
.nav-cat:hover{background:rgba(255,255,255,.14);color:var(--text);transform:translateY(-1px)}
.nav-cat:hover i{color:var(--action)}
.nav-cat.active{
  color:var(--text);
  border-color:var(--action);
  background:rgba(31,224,200,.10);
  box-shadow:inset 0 3px 0 var(--action);
}
.nav-cat.active i{color:var(--action)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:0 0 auto}
.icon-btn{
  width:44px;height:44px;border-radius:12px;
  display:grid;place-items:center;
  background:rgba(255,255,255,.08);
  border:1px solid var(--line);
  color:var(--text-2);cursor:pointer;
  transition:background .18s ease-out,color .18s ease-out;
}
.icon-btn:hover{background:rgba(255,255,255,.14);color:var(--action)}
.menu-toggle{display:none}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:14px 28px;
  border-radius:var(--pill);
  border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  cursor:pointer;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.btn-primary{
  background:linear-gradient(135deg,var(--action),var(--action-dark));
  color:#0A0918;
}
.btn-primary:hover{color:#0A0918;transform:translateY(-2px);box-shadow:0 0 24px rgba(31,224,200,.35)}
.btn-primary:active{transform:translateY(-1px)}
.btn-ghost{
  background:transparent;color:var(--text-2);
  border-color:rgba(122,77,255,.55);
}
.btn-ghost:hover{background:rgba(122,77,255,.12);color:var(--text);transform:translateY(-2px)}
.btn-sm{min-height:44px;padding:10px 20px;font-size:14px}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--text-2);font-size:15px;font-weight:600;
  text-decoration:underline;text-underline-offset:4px;
}
.link-more:hover{color:var(--action)}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;
  padding:56px 0 72px;
  background-image:linear-gradient(120deg,rgba(10,9,24,.96) 20%,rgba(18,16,38,.86) 55%,rgba(122,77,255,.34)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:24px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--action)}
.breadcrumb .sep{color:var(--text-3)}
.breadcrumb .current{color:var(--text)}
.head-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--pill);
  background:rgba(255,200,98,.14);border:1px solid rgba(255,200,98,.4);
  color:var(--gold);font-size:13px;font-weight:600;letter-spacing:.04em;
  margin-bottom:20px;
}
h1{font-size:48px;line-height:1.2;letter-spacing:-.01em}
.page-head h1 span{color:var(--action)}
.lead{font-size:17px;color:var(--text-2);max-width:38ch;margin:20px 0 28px}
.head-tags{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--pill);
  background:rgba(122,77,255,.16);border:1px solid var(--line);
  color:var(--text-2);font-size:13px;font-weight:600;
}
.tag i{color:var(--action);font-size:12px}
.btn-row{display:flex;flex-wrap:wrap;gap:14px}
.head-visual{position:relative}
.head-visual .main-shot{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius-l);
  border:1px solid rgba(122,77,255,.28);
  box-shadow:var(--glow);
}
.head-visual .float-shot{
  position:absolute;right:-8px;bottom:-28px;width:44%;
  aspect-ratio:3/2;object-fit:cover;
  border-radius:var(--radius-m);
  border:1px solid rgba(31,224,200,.35);
  box-shadow:0 18px 40px rgba(10,9,24,.6);
}
.head-visual::after{
  content:"";position:absolute;inset:-20px;pointer-events:none;border-radius:var(--radius-l);
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:26px 26px;opacity:.1;
}
.filter-bar{
  margin-top:56px;
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  padding:14px 16px;
  background:rgba(18,16,38,.82);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
}
.filter-label{font-size:13px;color:var(--text-3);font-weight:600;letter-spacing:.08em}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:0 18px;border-radius:var(--pill);
  background:transparent;border:1px solid rgba(122,77,255,.5);
  color:var(--text-2);font-size:14px;font-weight:600;cursor:pointer;
  transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.chip:hover{background:rgba(122,77,255,.14);color:var(--text)}
.chip.is-active{background:linear-gradient(135deg,var(--action),var(--action-dark));border-color:transparent;color:#0A0918}

/* ---------- 图墙 ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head h2{font-size:34px}
.section-head .sub{color:var(--text-2);font-size:15px;margin-top:12px;max-width:46ch}
.wall{display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:172px;gap:20px}
.wall-item{
  position:relative;overflow:hidden;border-radius:var(--radius-m);
  border:1px solid var(--line);
  background:var(--card);
  display:block;
}
.wall-item img{width:100%;height:100%;object-fit:cover;transition:transform .22s ease-out}
.wall-item::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,9,24,.15) 0%,rgba(10,9,24,.86) 100%);
  transition:background .22s ease-out;
}
.wall-item:hover img{transform:scale(1.03)}
.wall-item:hover::after{background:linear-gradient(180deg,rgba(10,9,24,.35) 0%,rgba(10,9,24,.94) 100%)}
.wall-body{position:absolute;left:0;right:0;bottom:0;padding:20px;z-index:2}
.wall-body h3{font-size:19px;margin-bottom:6px}
.wall-body p{font-size:14px;color:var(--text-2);line-height:1.7;margin:0}
.wall-badge{
  position:absolute;left:20px;top:20px;z-index:2;
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--pill);
  font-size:12px;font-weight:600;
  background:rgba(10,9,24,.72);border:1px solid var(--line);color:var(--text-2);
}
.wall-badge.live{background:rgba(31,224,200,.16);border-color:rgba(31,224,200,.5);color:var(--action)}
.wall-arrow{
  position:absolute;right:20px;top:20px;z-index:2;
  width:34px;height:34px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(31,224,200,.9);color:#0A0918;font-size:13px;
  opacity:0;transform:translateY(-6px);
  transition:opacity .2s ease-out,transform .2s ease-out;
}
.wall-item:hover .wall-arrow{opacity:1;transform:translateY(0)}
.w-a{grid-column:span 6;grid-row:span 2}
.w-b,.w-c,.w-d,.w-e{grid-column:span 3}
.w-f,.w-g{grid-column:span 6}

.pager{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:48px;flex-wrap:wrap}
.pager-num,.pager-btn{
  min-width:44px;height:44px;padding:0 16px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:var(--pill);
  border:1px solid rgba(122,77,255,.5);
  color:var(--text-2);font-size:14px;font-weight:600;
}
.pager-num:hover,.pager-btn:hover{background:rgba(122,77,255,.14);color:var(--text)}
.pager-num.is-current{background:linear-gradient(135deg,var(--action),var(--action-dark));border-color:transparent;color:#0A0918}
.pager-btn.is-disabled{opacity:.45;cursor:not-allowed}

/* ---------- 卖点卡 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.feature-card{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:32px 28px 28px;
  box-shadow:var(--glow);
  transition:transform .2s ease-out,border-color .2s ease-out;
}
.feature-card:hover{transform:translateY(-3px);border-color:rgba(31,224,200,.4)}
.feature-card::before{
  content:"";position:absolute;left:28px;right:28px;top:0;height:2px;
  background:linear-gradient(90deg,var(--primary),transparent);
}
.feature-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  border:1px solid rgba(255,200,98,.5);color:var(--gold);
  font-family:var(--mono);font-size:15px;font-weight:700;
  margin-bottom:20px;
}
.feature-card h3{font-size:22px;margin-bottom:12px}
.feature-card p{color:var(--text-2);font-size:15.5px;line-height:1.85}
.feature-ico{position:absolute;right:28px;top:32px;font-size:26px;color:rgba(122,77,255,.5)}
.feature-card.offset{margin-top:32px}

/* ---------- 状态数据带 ---------- */
.stat-band{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:linear-gradient(120deg,var(--panel),rgba(122,77,255,.16));
}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-item{padding:8px 0}
.stat-item .num{
  font-family:var(--mono);font-size:34px;font-weight:700;color:var(--gold);
  line-height:1.2;letter-spacing:-.02em;
}
.stat-item .num small{font-size:16px;color:var(--text-3);margin-left:4px}
.stat-item .label{font-size:14px;color:var(--text-2);margin-top:8px}
.stat-item .label i{color:var(--action);margin-right:6px;font-size:12px}

/* ---------- 浅色彩区通用 ---------- */
.paper{background:var(--paper);color:var(--paper-ink)}
.paper h2,.paper h3,.paper h4{color:var(--paper-ink)}
.paper .sub{color:var(--paper-ink-2)}
.paper .section-head h2{color:var(--paper-ink)}

/* ---------- 时间轴 ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:8px}
.tl-item{
  background:var(--paper-2);
  border:1px solid rgba(26,23,48,.08);
  border-radius:var(--radius-m);
  padding:28px 24px;
  box-shadow:var(--shadow-paper);
  transition:transform .2s ease-out;
}
.tl-item:hover{transform:translateY(-3px)}
.tl-num{
  font-family:var(--mono);font-size:14px;font-weight:700;color:var(--action-dark);
  letter-spacing:.08em;margin-bottom:16px;display:block;
}
.tl-item h3{font-size:19px;margin-bottom:10px;color:var(--paper-ink)}
.tl-item p{font-size:15px;line-height:1.8;color:var(--paper-ink-2);margin:0}

/* ---------- 评价 ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:28px;
  display:flex;flex-direction:column;gap:16px;
}
.review-card .quote{font-size:15.5px;color:var(--text-2);line-height:1.85;margin:0}
.review-meta{display:flex;align-items:center;gap:12px;margin-top:auto}
.avatar{
  width:40px;height:40px;border-radius:50%;flex:0 0 40px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--action));
  color:#0A0918;font-weight:700;font-size:15px;
}
.review-meta .name{font-size:14px;font-weight:600}
.review-meta .role{font-size:12.5px;color:var(--text-3)}
.stars{color:var(--gold);font-size:13px;letter-spacing:2px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{
  background:var(--paper-2);
  border:1px solid rgba(26,23,48,.1);
  border-radius:var(--radius-m);
  overflow:hidden;
  box-shadow:var(--shadow-paper);
}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--paper-ink);line-height:1.6;
  min-height:44px;
}
.faq-q .sign{
  flex:0 0 22px;font-size:16px;color:var(--primary);transition:transform .2s ease-out;
}
.faq-item.is-open .faq-q .sign{transform:rotate(45deg);color:var(--action-dark)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .24s ease-out;
  border-left:3px solid transparent;
}
.faq-item.is-open .faq-a{border-left-color:var(--action-dark)}
.faq-a p{
  padding:0 24px 22px 24px;margin:0;
  font-size:15.5px;line-height:1.85;color:var(--paper-ink-2);
}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;
  border-radius:var(--radius-l);
  border:1px solid rgba(122,77,255,.35);
  background:linear-gradient(115deg,#221C48 0%,#14112C 55%,#0C0A1E 100%);
  padding:56px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
  box-shadow:var(--glow);
}
.cta-card::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.45) 1px,transparent 1px);
  background-size:24px 24px;opacity:.09;
}
.cta-card h2{font-size:34px;margin-bottom:16px}
.cta-card .cta-text{color:var(--text-2);font-size:16px;max-width:40ch}
.cta-bullets{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px}
.cta-bullets span{font-size:13.5px;color:var(--text-2);display:inline-flex;align-items:center;gap:8px}
.cta-bullets i{color:var(--action)}
.cta-form{position:relative;z-index:2}
.field-label{display:block;font-size:14px;color:var(--text-2);margin-bottom:10px;font-weight:600}
.field-row{display:flex;gap:12px;flex-wrap:wrap}
.field-row input[type="text"]{
  flex:1 1 220px;min-height:48px;padding:12px 18px;
  background:rgba(10,9,24,.72);
  border:1px solid var(--line);border-radius:var(--pill);
  color:var(--text);font-size:15px;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.field-row input[type="text"]::placeholder{color:var(--text-3)}
.field-row input[type="text"]:focus{outline:none;border-color:var(--action);box-shadow:0 0 0 3px rgba(31,224,200,.2)}
.check-row{display:flex;align-items:flex-start;gap:10px;margin-top:16px;font-size:13.5px;color:var(--text-2);cursor:pointer}
.check-row input[type="checkbox"]{
  appearance:none;width:20px;height:20px;flex:0 0 20px;margin-top:2px;
  border:1px solid rgba(122,77,255,.6);border-radius:6px;background:rgba(10,9,24,.6);
  display:grid;place-items:center;cursor:pointer;
}
.check-row input[type="checkbox"]::after{content:"";width:10px;height:6px;border-left:2px solid #0A0918;border-bottom:2px solid #0A0918;transform:rotate(-45deg) scale(0);transition:transform .16s ease-out}
.check-row input[type="checkbox"]:checked{background:var(--action);border-color:var(--action)}
.check-row input[type="checkbox"]:checked::after{transform:rotate(-45deg) scale(1)}
.form-note{font-size:12.5px;color:var(--text-3);margin-top:12px}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#080713;
  border-top:1px solid var(--line);
  position:relative;
  padding:72px 0 32px;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:-1px;height:2px;
  background:linear-gradient(90deg,transparent,var(--primary),var(--action),transparent);
}
.site-footer .row{display:flex;flex-wrap:wrap;margin:0 -16px}
.footer-top{padding-bottom:40px;border-bottom:1px solid var(--line)}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{color:var(--text-3);font-size:14.5px;line-height:1.85;max-width:34ch;margin:0}
.footer-title{font-size:15px;margin-bottom:18px;color:var(--text)}
.footer-cats{display:flex;flex-wrap:wrap;gap:10px}
.footer-cats a{
  display:inline-flex;align-items:center;min-height:36px;padding:6px 14px;
  border-radius:var(--pill);background:rgba(122,77,255,.12);
  border:1px solid var(--line);font-size:13.5px;color:var(--text-2);
}
.footer-cats a:hover{background:rgba(31,224,200,.14);color:var(--text)}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:var(--text-2)}
.footer-links a:hover{color:var(--action)}
.footer-contact{display:grid;gap:10px;font-size:14px;color:var(--text-2)}
.footer-contact i{color:var(--action);margin-right:8px}
.qr-box{
  margin-top:18px;display:inline-flex;align-items:center;gap:10px;
  padding:12px 16px;border-radius:var(--radius-m);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.qr-box i{font-size:22px;color:var(--text-2)}
.footer-bottom{
  padding-top:24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-2)}
.footer-bottom a:hover{color:var(--action)}

/* ---------- 移动抽屉 ---------- */
.nav-backdrop{
  position:fixed;inset:0;background:rgba(6,5,16,.72);
  opacity:0;visibility:hidden;transition:opacity .2s ease-out,visibility .2s ease-out;z-index:70;
}
body.nav-open .nav-backdrop{opacity:1;visibility:visible}

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

/* ---------- 断点 ---------- */
@media (max-width:1199px){
  .section{padding:88px 0}
  h1{font-size:42px}
  .cta-card{padding:48px}
}
@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  h1{font-size:34px}
  .section-head h2,.cta-card h2{font-size:27px}
  .head-grid{grid-template-columns:1fr;gap:40px}
  .lead{max-width:none}
  .head-visual{max-width:560px}
  .filter-bar{margin-top:40px}
  .wall{grid-template-columns:repeat(6,1fr);grid-auto-rows:160px}
  .w-a{grid-column:span 6;grid-row:span 1}
  .w-b,.w-c,.w-d,.w-e{grid-column:span 3}
  .w-f,.w-g{grid-column:span 6}
  .feature-grid{grid-template-columns:1fr}
  .feature-card.offset{margin-top:0}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .review-grid{grid-template-columns:1fr}
  .cta-card{grid-template-columns:1fr;gap:32px;padding:40px}
  .menu-toggle{display:grid}
  .nav-cats{
    position:fixed;top:0;right:0;bottom:0;
    width:min(88vw,380px);
    background:var(--panel);
    border-left:1px solid var(--line);
    padding:96px 20px 32px;
    display:grid;grid-template-columns:repeat(2,1fr);gap:12px;align-content:start;
    transform:translateX(104%);
    transition:transform .22s ease-out;
    overflow-y:auto;z-index:80;
  }
  body.nav-open .nav-cats{transform:translateX(0)}
  .nav-cat{width:100%;justify-content:flex-start;flex-direction:column;align-items:flex-start;gap:8px;padding:14px;height:auto;min-height:76px}
  .nav-cat i{font-size:18px}
  .nav-cta{display:none}
  .head-visual .float-shot{width:48%;bottom:-20px}
}
@media (max-width:639px){
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  body{font-size:16px;line-height:1.85}
  h1{font-size:30px;line-height:1.3}
  .section-head h2,.cta-card h2{font-size:24px}
  .section-head{margin-bottom:28px}
  .brand{font-size:16px}
  .brand-text{max-width:9em;overflow:hidden;white-space:nowrap}
  .wall{grid-template-columns:repeat(2,1fr);grid-auto-rows:200px;gap:14px}
  .w-a,.w-b,.w-c,.w-d,.w-e,.w-f,.w-g{grid-column:span 2;grid-row:span 1}
  .wall-body{padding:16px}
  .wall-body h3{font-size:17px}
  .stat-grid{grid-template-columns:1fr 1fr;gap:24px}
  .stat-item .num{font-size:26px}
  .timeline{grid-template-columns:1fr}
  .cta-card{padding:28px 22px}
  .btn{width:100%}
  .btn-row .btn{width:100%}
  .field-row .btn{width:100%}
  .head-visual .float-shot{position:static;width:100%;margin-top:14px}
  .faq-q{font-size:16px;padding:18px}
  .site-footer{padding:56px 0 28px}
  .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: category2 */
:root{
  --bg:#0A0918;
  --panel:#121026;
  --card:#1B1836;
  --raise:#262246;
  --line:rgba(150,130,255,.16);
  --line-strong:rgba(122,77,255,.32);
  --primary:#7A4DFF;
  --primary-press:#5B2FE0;
  --action:#1FE0C8;
  --action-deep:#12B7A4;
  --gold:#FFC862;
  --text:#F1EEFF;
  --text-2:#B9B2DC;
  --text-3:#8B83B4;
  --paper:#F5F3FC;
  --paper-2:#FFFFFF;
  --paper-text:#1A1730;
  --paper-text-2:#5A5480;
  --danger:#FF6B7A;
  --r-sm:8px; --r-md:14px; --r-lg:22px; --r-pill:999px;
  --shadow-paper:0 1px 2px rgba(11,10,22,.06),0 12px 32px rgba(11,10,22,.10);
  --shadow-deep:0 8px 32px rgba(122,77,255,.18);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:17px;line-height:1.9;
  letter-spacing:.005em;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--r-md)}
a{color:inherit;text-decoration:none}
p{margin:0 0 1.15em}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);letter-spacing:.005em}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--action);outline-offset:2px;border-radius:4px}
::selection{background:rgba(122,77,255,.4)}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:96px 0}
.section-tight{padding:72px 0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:14px 28px;border-radius:var(--r-pill);
  font-size:15.5px;font-weight:600;letter-spacing:.02em;line-height:1;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background-color .18s var(--ease),border-color .18s var(--ease),color .18s var(--ease);
  cursor:pointer;white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--action),var(--action-deep));
  color:#0A0918;border:1px solid transparent;
  box-shadow:0 6px 20px rgba(31,224,200,.22);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 24px rgba(31,224,200,.35)}
.btn-primary:active{transform:translateY(-1px)}
.btn-ghost{
  background:transparent;color:#CFC6FF;border:1px solid var(--line-strong);
}
.btn-ghost:hover{background:rgba(122,77,255,.12);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(-1px)}
.btn-sm{min-height:42px;padding:11px 20px;font-size:14px}
.btn-block{width:100%}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:#CFC6FF;
  border-bottom:1px solid rgba(150,130,255,.4);padding-bottom:2px;
  transition:color .18s var(--ease),border-color .18s var(--ease);
}
.link-more:hover{color:var(--action);border-color:var(--action)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  padding:14px 0;
  background:linear-gradient(180deg,rgba(10,9,24,.97) 0%,rgba(10,9,24,.84) 100%);
  backdrop-filter:blur(12px);
}
.nav-panel{
  position:relative;
  display:flex;align-items:center;gap:20px;
  background:rgba(18,16,38,.94);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:12px 18px;
  box-shadow:0 18px 44px rgba(6,5,16,.55);
}
.nav-panel::before{
  content:"";position:absolute;left:22px;right:22px;top:0;height:3px;
  border-radius:0 0 6px 6px;
  background:linear-gradient(90deg,var(--primary),var(--action));
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),#3E1FB8);
  color:#fff;font-size:15px;
  box-shadow:0 0 0 1px rgba(122,77,255,.5),0 6px 18px rgba(122,77,255,.35);
}
.brand-text{font-size:18px;font-weight:700;letter-spacing:.02em;color:#fff}
.nav-cats{display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center;flex-wrap:wrap}
.nav-cat{
  position:relative;
  display:inline-flex;align-items:center;gap:7px;
  min-height:46px;padding:0 14px;border-radius:12px;
  background:rgba(255,255,255,.06);
  border:1px solid transparent;
  font-size:14px;font-weight:500;color:var(--text-2);
  transition:background-color .18s var(--ease),transform .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.nav-cat i{font-size:15px;color:var(--text-3);transition:color .18s var(--ease)}
.nav-cat:hover{background:rgba(255,255,255,.14);transform:translateY(-1px);color:#fff}
.nav-cat:hover i{color:var(--action)}
.nav-cat.active{color:#fff;border-color:var(--line-strong);background:rgba(122,77,255,.16)}
.nav-cat.active i{color:var(--action)}
.nav-cat.active::after{
  content:"";position:absolute;left:14px;right:14px;top:0;height:3px;border-radius:0 0 4px 4px;
  background:linear-gradient(90deg,var(--action),var(--primary));
}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.icon-btn{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,255,255,.06);border:1px solid transparent;color:var(--text-2);
  transition:background-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.icon-btn:hover{background:rgba(255,255,255,.14);color:var(--action);transform:translateY(-1px)}
.hamburger{display:none}

.mobile-drawer{
  position:fixed;inset:0;z-index:120;
  background:rgba(8,7,18,.98);
  padding:20px;
  display:none;
  overflow-y:auto;
}
.mobile-drawer.open{display:block}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-close{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,255,255,.08);color:#fff;font-size:18px;
}
.drawer-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:24px}
.drawer-card{
  display:flex;flex-direction:column;gap:10px;
  padding:18px 16px;border-radius:var(--r-md);
  background:var(--card);border:1px solid var(--line);
  font-size:14.5px;font-weight:600;color:var(--text-2);
}
.drawer-card i{font-size:18px;color:var(--action)}
.drawer-card.active{border-color:var(--line-strong);color:#fff;background:rgba(122,77,255,.18)}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  padding:88px 0 76px;
  background-color:var(--panel);
  background-image:linear-gradient(115deg,rgba(10,9,24,.94) 0%,rgba(18,16,38,.86) 48%,rgba(38,34,70,.78) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:38px 38px;opacity:.1;
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;line-height:1.6;color:var(--text-3);margin-bottom:20px;
}
.breadcrumb a{color:var(--text-3);transition:color .18s var(--ease)}
.breadcrumb a:hover{color:var(--action)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:var(--text-2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:var(--r-pill);
  background:rgba(122,77,255,.18);border:1px solid var(--line-strong);
  font-size:13px;font-weight:600;color:#CFC6FF;letter-spacing:.05em;margin-bottom:20px;
}
.page-hero h1{
  font-size:48px;line-height:1.2;max-width:16em;margin-bottom:18px;
}
.page-hero h1 em{font-style:normal;color:var(--action)}
.hero-lead{
  font-size:17px;line-height:1.9;color:var(--text-2);max-width:640px;margin-bottom:28px;
}
.filter-pills{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.pill{
  display:inline-flex;align-items:center;gap:7px;
  min-height:44px;padding:10px 18px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  font-size:14px;color:var(--text-2);cursor:pointer;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.pill:hover{background:rgba(255,255,255,.13);color:#fff;transform:translateY(-1px)}
.pill.on{background:rgba(31,224,200,.16);border-color:rgba(31,224,200,.5);color:var(--action)}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px}
.stat{
  min-width:150px;padding:16px 20px;border-radius:var(--r-md);
  background:rgba(27,24,54,.72);border:1px solid var(--line);
}
.stat b{
  display:block;font-family:ui-monospace,"SF Mono",Consolas,monospace;
  font-size:26px;line-height:1.2;color:var(--gold);
}
.stat span{font-size:13px;color:var(--text-3)}

/* ---------- 主区块标题 ---------- */
.section-head{max-width:760px;margin-bottom:48px}
.section-head h2{font-size:34px;line-height:1.3;margin-bottom:14px}
.section-head p{color:var(--text-2);font-size:16px;margin:0}
.section-head.on-paper h2{color:var(--paper-text)}
.section-head.on-paper p{color:var(--paper-text-2)}

/* ---------- 锚点目录 + 时间轴 ---------- */
.anchor-wrap{position:relative}
.anchor-nav{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 22px;box-shadow:var(--shadow-deep);
}
.anchor-nav h3{font-size:17px;margin-bottom:6px}
.anchor-nav .anchor-hint{font-size:13px;color:var(--text-3);margin-bottom:18px}
.anchor-list{display:flex;flex-direction:column;gap:6px}
.anchor-link{
  display:flex;align-items:center;gap:12px;
  min-height:46px;padding:10px 12px;border-radius:12px;
  font-size:14.5px;color:var(--text-2);
  border-left:3px solid transparent;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.anchor-link .idx{
  font-family:ui-monospace,"SF Mono",Consolas,monospace;
  font-size:12.5px;color:var(--text-3);width:22px;flex:0 0 auto;
}
.anchor-link:hover{background:rgba(255,255,255,.06);color:#fff}
.anchor-link.active{background:rgba(122,77,255,.16);border-left-color:var(--action);color:#fff}
.anchor-link.active .idx{color:var(--action)}
.anchor-side-card{
  margin-top:20px;padding:20px;border-radius:var(--r-md);
  background:linear-gradient(150deg,rgba(122,77,255,.28),rgba(31,224,200,.14));
  border:1px solid var(--line);
}
.anchor-side-card h4{font-size:16px;margin-bottom:8px}
.anchor-side-card p{font-size:14px;color:var(--text-2);margin:0 0 14px}

.timeline{position:relative;padding-left:34px}
.timeline::before{
  content:"";position:absolute;left:11px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,var(--primary),rgba(31,224,200,.55),rgba(150,130,255,.12));
}
.tl-item{
  position:relative;margin-bottom:32px;padding:28px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow-deep);
  transition:border-color .2s var(--ease),transform .2s var(--ease);
}
.tl-item:last-child{margin-bottom:0}
.tl-item:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.tl-item::before{
  content:"";position:absolute;left:-34px;top:34px;width:14px;height:14px;border-radius:50%;
  background:var(--bg);border:3px solid var(--action);
  box-shadow:0 0 0 4px rgba(31,224,200,.12);
}
.tl-head{display:flex;align-items:center;gap:14px;margin-bottom:14px;flex-wrap:wrap}
.tl-num{
  display:inline-grid;place-items:center;width:46px;height:46px;flex:0 0 auto;
  border-radius:14px;border:1px solid rgba(255,200,98,.45);
  background:rgba(255,200,98,.08);
  font-family:ui-monospace,"SF Mono",Consolas,monospace;
  font-size:16px;font-weight:700;color:var(--gold);
}
.tl-item h3{font-size:24px;line-height:1.4}
.tl-item p{color:var(--text-2);font-size:16.5px;margin:0 0 14px;max-width:44em}
.tl-item p:last-child{margin-bottom:0}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
  display:inline-flex;align-items:center;padding:6px 13px;border-radius:var(--r-pill);
  background:rgba(122,77,255,.16);border:1px solid var(--line);
  font-size:13px;color:#CFC6FF;line-height:1.6;
}
.tl-media{margin-top:18px}
.tl-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.tl-media figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.tl-list{margin-top:14px;display:flex;flex-direction:column;gap:10px}
.tl-list li{
  position:relative;padding-left:24px;font-size:15.5px;color:var(--text-2);
}
.tl-list li::before{
  content:"";position:absolute;left:4px;top:13px;width:7px;height:7px;border-radius:50%;
  background:var(--action);opacity:.85;
}

/* ---------- 数据带 ---------- */
.data-band{
  background:linear-gradient(120deg,rgba(38,34,70,.9),rgba(18,16,38,.9));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:56px 0;
}
.data-band-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.data-cell{
  padding:24px 22px;border-radius:var(--r-md);
  background:rgba(27,24,54,.7);border:1px solid var(--line);
}
.data-cell b{
  display:block;font-family:ui-monospace,"SF Mono",Consolas,monospace;
  font-size:30px;line-height:1.2;color:var(--action);margin-bottom:8px;
}
.data-cell span{font-size:14px;color:var(--text-2)}

/* ---------- 位置速查卡 ---------- */
.role-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.role-card{
  display:grid;grid-template-columns:120px 1fr;gap:20px;
  padding:20px;border-radius:var(--r-lg);
  background:var(--card);border:1px solid var(--line);
  transition:transform .2s var(--ease),border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.role-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow-deep)}
.role-card img{width:120px;height:120px;object-fit:cover;border-radius:var(--r-md)}
.role-card h3{font-size:19px;margin-bottom:8px}
.role-card p{font-size:14.5px;color:var(--text-2);line-height:1.8;margin:0 0 10px}
.role-card .role-meta{font-size:13px;color:var(--text-3);font-family:ui-monospace,"SF Mono",Consolas,monospace}

/* ---------- 纸感答疑区 ---------- */
.paper-section{
  background:var(--paper);color:var(--paper-text);
  padding:96px 0;
}
.paper-section .section-head{margin-bottom:44px}
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.faq-item{
  background:var(--paper-2);border-radius:var(--r-md);
  padding:26px 24px;box-shadow:var(--shadow-paper);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item:hover{transform:translateY(-2px);box-shadow:0 4px 10px rgba(11,10,22,.08),0 18px 40px rgba(11,10,22,.12)}
.faq-item h3{
  font-size:17px;color:var(--paper-text);margin-bottom:10px;
  display:flex;gap:10px;align-items:flex-start;line-height:1.5;
}
.faq-item h3 i{color:var(--primary);font-size:15px;margin-top:6px;flex:0 0 auto}
.faq-item p{font-size:15px;line-height:1.85;color:var(--paper-text-2);margin:0}

/* ---------- 尾部 CTA ---------- */
.cta-band{padding:88px 0 96px}
.cta-card{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  background:linear-gradient(125deg,#3A1E9E 0%,#241A63 46%,#121026 100%);
  border:1px solid rgba(122,77,255,.4);
  box-shadow:0 24px 60px rgba(60,30,160,.35);
  padding:56px 48px;
}
.cta-card::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.55) 1px,transparent 1px);
  background-size:34px 34px;opacity:.09;
}
.cta-card .row{position:relative;z-index:2}
.cta-copy h2{font-size:34px;line-height:1.3;margin-bottom:16px}
.cta-copy p{color:#D8D1FF;font-size:16px;margin-bottom:22px;max-width:34em}
.cta-points{display:flex;flex-direction:column;gap:10px}
.cta-points li{display:flex;align-items:center;gap:10px;font-size:15px;color:#D8D1FF}
.cta-points i{color:var(--action);font-size:14px}
.cta-form{
  background:rgba(10,9,24,.55);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 26px;
}
.cta-form h3{font-size:19px;margin-bottom:6px}
.cta-form .form-sub{font-size:13.5px;color:var(--text-3);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:8px;font-weight:600}
.field input[type="text"],.field input[type="email"],.field input[type="tel"],.field textarea{
  width:100%;min-height:48px;padding:13px 16px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);border-radius:12px;
  color:var(--text);font-size:15px;
  transition:border-color .18s var(--ease),background-color .18s var(--ease),box-shadow .18s var(--ease);
}
.field textarea{min-height:92px;resize:vertical;line-height:1.75}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--action);background:rgba(31,224,200,.06);
  box-shadow:0 0 0 3px rgba(31,224,200,.16);
}
.check-row{display:flex;align-items:flex-start;gap:10px;margin:6px 0 20px}
.check-row input[type="checkbox"]{
  appearance:none;-webkit-appearance:none;
  width:20px;height:20px;flex:0 0 auto;margin-top:3px;
  border:1px solid var(--line-strong);border-radius:6px;background:rgba(255,255,255,.05);
  cursor:pointer;position:relative;transition:background-color .18s var(--ease),border-color .18s var(--ease);
}
.check-row input[type="checkbox"]:checked{background:var(--action);border-color:var(--action)}
.check-row input[type="checkbox"]:checked::after{
  content:"";position:absolute;left:6px;top:2px;width:6px;height:11px;
  border:solid #0A0918;border-width:0 2px 2px 0;transform:rotate(45deg);
}
.check-row label{font-size:13.5px;color:var(--text-2);line-height:1.7;margin:0;font-weight:400}
.form-note{font-size:12.5px;color:var(--text-3);margin:14px 0 0;line-height:1.7}
.form-msg{font-size:13.5px;margin:12px 0 0;display:none;color:var(--action)}
.form-msg.show{display:block}
.form-msg.error{color:var(--danger)}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#080714;border-top:1px solid var(--line);
  padding:72px 0 32px;position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--primary),var(--action),transparent);
}
.footer-top{padding-bottom:44px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14.5px;color:var(--text-2);max-width:30em;margin:0}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.04em}
.footer-cats{display:flex;flex-wrap:wrap;gap:10px}
.footer-cats a{
  display:inline-flex;align-items:center;min-height:40px;padding:8px 15px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  font-size:13.5px;color:var(--text-2);
  transition:background-color .18s var(--ease),color .18s var(--ease),transform .18s var(--ease);
}
.footer-cats a:hover{background:rgba(122,77,255,.2);color:#fff;transform:translateY(-1px)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--text-2);transition:color .18s var(--ease)}
.footer-links a:hover{color:var(--action)}
.footer-contact{display:flex;flex-direction:column;gap:10px;margin-bottom:18px}
.footer-contact span{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--text-2)}
.footer-contact i{color:var(--action);font-size:13px}
.qr-box{
  display:flex;align-items:center;gap:12px;
  padding:12px 16px;border-radius:var(--r-md);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  font-size:13.5px;color:var(--text-3);
}
.qr-box i{font-size:26px;color:var(--text-2)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding-top:24px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-2);transition:color .18s var(--ease)}
.footer-bottom a:hover{color:var(--action)}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .container{padding:0 28px}
  .page-hero h1{font-size:42px}
  .nav-cat{padding:0 12px;font-size:13.5px}
  .nav-panel{gap:14px}
}
@media screen and (max-width:1023px){
  .nav-cats{display:none}
  .hamburger{display:grid}
  .section{padding:72px 0}
  .paper-section{padding:72px 0}
  .cta-band{padding:64px 0 72px}
  .page-hero{padding:64px 0 56px}
  .page-hero h1{font-size:36px;line-height:1.28}
  .section-head h2,.cta-copy h2{font-size:28px}
  .anchor-nav{position:static;margin-bottom:32px}
  .anchor-list{flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:6px}
  .anchor-link{flex:0 0 auto;border-left:0;border-bottom:3px solid transparent;border-radius:12px}
  .anchor-link.active{border-left:0;border-bottom-color:var(--action)}
  .role-grid{grid-template-columns:1fr}
  .data-band-grid{grid-template-columns:repeat(2,1fr)}
  .faq-grid{grid-template-columns:1fr}
  .cta-card{padding:40px 32px}
}
@media screen and (max-width:639px){
  body{font-size:16px;line-height:1.85}
  .container{padding:0 20px}
  .section{padding:56px 0}
  .paper-section{padding:56px 0}
  .page-hero{padding:48px 0 44px}
  .page-hero h1{font-size:30px;line-height:1.3}
  .hero-lead{font-size:15.5px}
  .section-head h2,.cta-copy h2{font-size:24px}
  .tl-item{padding:22px 18px}
  .tl-item h3{font-size:19px}
  .timeline{padding-left:26px}
  .tl-item::before{left:-26px;width:12px;height:12px}
  .timeline::before{left:8px}
  .tl-num{width:40px;height:40px;font-size:14px;border-radius:12px}
  .data-band-grid{grid-template-columns:1fr}
  .role-card{grid-template-columns:1fr}
  .role-card img{width:100%;height:170px}
  .cta-card{padding:32px 22px}
  .cta-form{padding:22px 18px}
  .hero-cta .btn{width:100%}
  .hero-stats{flex-direction:column}
  .stat{min-width:0;width:100%}
  .footer-bottom{flex-direction:column}
  .brand-text{font-size:16px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --bg:#0A0918;
  --panel:#121026;
  --card:#1B1836;
  --lift:#262246;
  --line:rgba(150,130,255,.16);
  --primary:#7A4DFF;
  --primary-press:#5B2FE0;
  --action:#1FE0C8;
  --action-dark:#12B7A4;
  --gold:#FFC862;
  --text:#F1EEFF;
  --text-2:#B9B2DC;
  --text-3:#8B83B4;
  --paper:#F5F3FC;
  --paper-card:#FFFFFF;
  --paper-text:#1A1730;
  --danger:#FF6B7A;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --shadow-paper:0 1px 2px rgba(11,10,22,.06),0 12px 32px rgba(11,10,22,.10);
  --glow:0 8px 32px rgba(122,77,255,.18);
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:ui-monospace,"SF Mono",Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:17px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s ease-out}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;-webkit-appearance:none}
input{font:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:.01em}
p{margin:0 0 1.15em}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--action);outline-offset:2px;border-radius:4px}
::selection{background:rgba(122,77,255,.45);color:#fff}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:96px 0;position:relative}
.section-tight{padding:72px 0}
.section-paper{background:var(--paper);color:var(--paper-text)}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;line-height:1.6;font-weight:600;letter-spacing:.08em;
  padding:5px 14px;border-radius:var(--r-pill);
  background:rgba(122,77,255,.14);color:#C9BBFF;
  border:1px solid rgba(122,77,255,.30);
  margin-bottom:16px;
}
.eyebrow i{font-size:12px;color:var(--action)}
.section-paper .eyebrow{background:rgba(122,77,255,.10);color:#4A2BC2;border-color:rgba(122,77,255,.22)}
.section-paper .eyebrow i{color:#0F9E8C}
.section-title{font-size:34px;line-height:1.3;margin-bottom:12px}
.section-sub{font-size:15px;line-height:1.75;color:var(--text-2);max-width:760px;margin-bottom:0}
.section-paper .section-sub{color:#4B4568}
.section-head{margin-bottom:40px}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  padding:16px 0 0;
  background:linear-gradient(180deg,rgba(10,9,24,.97) 40%,rgba(10,9,24,.72));
  backdrop-filter:blur(10px);
}
.nav-panel{
  position:relative;
  background:rgba(18,16,38,.94);
  border:1px solid var(--line);
  border-radius:20px;
  box-shadow:0 14px 44px rgba(5,4,16,.62);
  overflow:hidden;
}
.nav-panel::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--primary),var(--action));
  z-index:2;
}
.nav-inner{display:flex;align-items:center;gap:16px;padding:12px 16px}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:700;color:var(--text);white-space:nowrap;
}
.brand-mark{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),#3A1E9E);
  color:#fff;font-size:15px;
  box-shadow:0 0 0 1px rgba(122,77,255,.45),0 6px 20px rgba(122,77,255,.35);
}
.brand-mark i{color:var(--gold)}
.nav-cats{display:flex;align-items:center;justify-content:center;gap:8px;flex:1;flex-wrap:wrap}
.nav-cat{
  display:inline-flex;align-items:center;gap:8px;
  min-height:48px;padding:0 16px;border-radius:12px;
  background:rgba(255,255,255,.06);
  border:1px solid transparent;
  color:var(--text-2);font-size:14px;font-weight:600;
  transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out;
  white-space:nowrap;
}
.nav-cat i{font-size:15px;color:var(--text-3);transition:color .18s ease-out}
.nav-cat:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-1px)}
.nav-cat:hover i{color:var(--action)}
.nav-cat.active{
  color:#fff;background:rgba(31,224,200,.10);
  border-color:rgba(31,224,200,.75);
  box-shadow:inset 0 2px 0 var(--action);
}
.nav-cat.active i{color:var(--action)}
.nav-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  color:var(--text-2);transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out;
}
.icon-btn:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-1px)}
.nav-toggle{display:none}
.drawer{display:none;border-top:1px solid var(--line);padding:16px;background:rgba(10,9,24,.6)}
.nav-panel.is-open .drawer{display:block}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-head span{font-size:14px;color:var(--text-3);font-weight:600;letter-spacing:.06em}
.drawer-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.drawer-grid .nav-cat{justify-content:flex-start;width:100%}
.drawer-foot{margin-top:16px;display:flex;gap:10px}
.drawer-foot .btn{flex:1;justify-content:center}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:14px 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  transition:transform .18s ease-out,box-shadow .18s ease-out,background .18s ease-out,color .18s ease-out,border-color .18s ease-out;
}
.btn i{font-size:14px}
.btn-primary{
  background:linear-gradient(135deg,var(--action),var(--action-dark));
  color:#0A0918;font-weight:700;border:1px solid transparent;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 24px rgba(31,224,200,.35);color:#0A0918}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:transparent;border:1px solid var(--primary);color:#CFC4FF;
}
.btn-ghost:hover{background:rgba(122,77,255,.14);color:#fff;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{min-height:44px;padding:10px 20px;font-size:14px}
.btn-block{width:100%}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  color:var(--action);border-bottom:1px solid transparent;padding-bottom:2px;
}
.link-more:hover{color:#6BFFF0;border-bottom-color:rgba(31,224,200,.7)}
.section-paper .link-more{color:#0F9E8C}
.section-paper .link-more:hover{color:#0A6E61}

/* ===== Hero ===== */
.hero{position:relative;padding:72px 0 88px;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(180deg,rgba(10,9,24,.82),rgba(10,9,24,.94)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.36;
}
.hero .container{position:relative;z-index:1}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--action)}
.crumb .crumb-cur{color:var(--text-2)}
.hero h1{font-size:48px;line-height:1.2;margin-bottom:18px;max-width:16em}
.hero-lead{font-size:19px;line-height:1.7;color:#D6CDFF;font-weight:600;margin-bottom:14px;max-width:26em}
.hero-desc{font-size:16px;line-height:1.9;color:var(--text-2);max-width:34em;margin-bottom:26px}
.stat-pills{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px}
.stat-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  font-size:13px;color:var(--text-2);font-weight:600;
}
.stat-pill i{color:var(--gold);font-size:12px}
.stat-pill b{font-family:var(--mono);color:var(--gold);font-weight:700;font-size:14px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}
.hero-visual{position:relative;margin-top:12px}
.hero-shot{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--glow)}
.hero-shot img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-shot-small{
  position:absolute;right:-18px;bottom:-26px;width:44%;
  border-radius:var(--r-md);overflow:hidden;
  border:1px solid rgba(122,77,255,.4);
  box-shadow:0 18px 46px rgba(6,5,18,.7);
}
.hero-shot-small img{width:100%;aspect-ratio:3/2;object-fit:cover}
.hero-star-texture{
  position:absolute;inset:-10% -6%;
  pointer-events:none;z-index:-1;
  background-image:radial-gradient(1.6px 1.6px at 20% 30%,rgba(241,238,255,.9) 50%,transparent 51%),
    radial-gradient(1.4px 1.4px at 68% 18%,rgba(31,224,200,.8) 50%,transparent 51%),
    radial-gradient(1.6px 1.6px at 44% 74%,rgba(255,200,98,.7) 50%,transparent 51%),
    radial-gradient(1.2px 1.2px at 82% 62%,rgba(241,238,255,.7) 50%,transparent 51%);
  background-size:220px 220px,260px 260px,180px 180px,300px 300px;
  opacity:.11;
}

/* ===== 筛选胶囊 ===== */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:0 20px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);border:1px solid var(--line);
  color:var(--text-2);font-size:14px;font-weight:600;
  transition:all .18s ease-out;
}
.chip i{font-size:12px}
.chip:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-1px)}
.chip.is-active{
  background:rgba(31,224,200,.14);border-color:var(--action);color:#fff;
  box-shadow:0 0 18px rgba(31,224,200,.22);
}

/* ===== 维度对比卡 ===== */
.dim-col{margin-bottom:24px}
.dim-card{
  height:100%;display:flex;flex-direction:column;
  background:linear-gradient(180deg,var(--card),#171432);
  border:1px solid rgba(122,77,255,.22);
  border-radius:var(--r-md);
  padding:24px 24px 20px;
  box-shadow:var(--glow);
  transition:transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
}
.dim-card:hover{transform:translateY(-4px);border-color:rgba(31,224,200,.5);box-shadow:0 14px 40px rgba(122,77,255,.28)}
.dim-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:16px}
.dim-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(122,77,255,.16);border:1px solid rgba(122,77,255,.32);
  color:#C9BBFF;font-size:17px;
}
.dim-city{font-size:13px;color:var(--gold);border:1px solid rgba(255,200,98,.45);border-radius:var(--r-pill);padding:3px 12px;font-weight:600;white-space:nowrap}
.dim-card h3{font-size:24px;line-height:1.4;margin-bottom:10px}
.dim-card p{font-size:15px;line-height:1.75;color:var(--text-2);margin-bottom:16px}
.dim-list{margin-bottom:18px;display:flex;flex-wrap:wrap;gap:8px}
.dim-list li{
  font-size:13px;line-height:1.6;padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(122,77,255,.12);color:#C3B8FF;
}
.dim-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:16px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);
}
.dim-meta b{font-family:var(--mono);color:var(--text-2);font-weight:700}
.dim-meta .link-more{font-size:13px}
.dim-empty{
  text-align:center;padding:48px 24px;border:1px dashed var(--line);border-radius:var(--r-md);
  color:var(--text-2);font-size:15px;
}
.dim-empty i{display:block;font-size:26px;color:var(--primary);margin-bottom:12px}

/* ===== 排行样例（浅纸区） ===== */
.rank-panel{
  background:var(--paper-card);border-radius:var(--r-lg);
  box-shadow:var(--shadow-paper);padding:12px;margin-bottom:24px;
}
.rank-head{
  display:grid;grid-template-columns:64px 1fr 90px 90px 120px;gap:12px;
  padding:14px 20px;font-size:13px;color:#6B6486;font-weight:600;letter-spacing:.04em;
}
.rank-row{
  display:grid;grid-template-columns:64px 1fr 90px 90px 120px;gap:12px;align-items:center;
  padding:16px 20px;border-radius:var(--r-md);
  background:#fff;border:1px solid rgba(26,23,48,.07);
  box-shadow:0 1px 2px rgba(11,10,22,.04);
  margin-bottom:10px;transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.rank-row:last-child{margin-bottom:0}
.rank-row:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(11,10,22,.10)}
.rank-cell--rank{font-family:var(--mono);font-size:18px;font-weight:700;color:#4A2BC2}
.rank-cell--rank.is-top{color:#0F9E8C}
.rank-team{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;color:var(--paper-text)}
.rank-team .dot{width:8px;height:8px;border-radius:50%;background:var(--primary);flex:none}
.rank-cell--pts{font-family:var(--mono);font-size:17px;font-weight:700;color:var(--paper-text)}
.rank-cell--rate{font-size:15px;color:#4B4568}
.rank-cell--streak{font-size:14px;color:#4B4568;letter-spacing:.02em}
.rank-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-top:24px;font-size:14px;color:#4B4568}
.rank-note{font-size:13px;color:#6B6486}
.tag-inline{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;
  padding:4px 12px;border-radius:var(--r-pill);background:rgba(31,224,200,.16);color:#0A6E61;
}

/* ===== 流程步骤 ===== */
.step-row{margin-top:8px}
.step-col{margin-bottom:24px}
.step-card{
  height:100%;position:relative;padding:28px 24px 24px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  transition:transform .18s ease-out,border-color .18s ease-out;
}
.step-card::before{
  content:"";position:absolute;left:24px;right:24px;top:0;height:3px;border-radius:0 0 3px 3px;
  background:linear-gradient(90deg,var(--primary),var(--action));
  opacity:.7;
}
.step-card:hover{transform:translateY(-4px);border-color:rgba(122,77,255,.45)}
.step-num{
  font-family:var(--mono);font-size:14px;font-weight:700;color:var(--gold);
  border:1px solid rgba(255,200,98,.45);border-radius:var(--r-pill);
  padding:3px 12px;display:inline-block;margin-bottom:16px;
}
.step-card h3{font-size:19px;line-height:1.4;margin-bottom:10px}
.step-card p{font-size:15px;line-height:1.8;color:var(--text-2);margin-bottom:0}

/* ===== 数据口径 ===== */
.spec-list{display:grid;gap:12px}
.spec-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:20px 24px;border-radius:var(--r-md);
  background:var(--panel);border:1px solid var(--line);
  transition:border-color .18s ease-out,background .18s ease-out;
}
.spec-item:hover{border-color:rgba(31,224,200,.4);background:#15122c}
.spec-item i{
  flex:none;width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
  background:rgba(31,224,200,.12);color:var(--action);font-size:14px;
}
.spec-item h3{font-size:17px;margin-bottom:6px}
.spec-item p{font-size:15px;line-height:1.8;color:var(--text-2);margin-bottom:0}

/* ===== FAQ ===== */
.faq-list{max-width:900px}
.faq-item{
  position:relative;background:var(--paper-card);border:1px solid rgba(26,23,48,.08);
  border-radius:var(--r-md);box-shadow:var(--shadow-paper);
  margin-bottom:12px;overflow:hidden;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--action);
  transform:scaleY(0);transform-origin:top;transition:transform .2s ease-out;
}
.faq-item.is-open::before{transform:scaleY(1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:600;color:var(--paper-text);
  min-height:44px;
}
.faq-q:hover{color:#4A2BC2}
.faq-icon{
  flex:none;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;
  background:rgba(122,77,255,.10);color:#4A2BC2;font-size:12px;transition:transform .22s ease-out,background .22s ease-out;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:rgba(31,224,200,.18);color:#0A6E61}
.faq-a{padding:0 24px 22px;font-size:15.5px;line-height:1.85;color:#4B4568}
.faq-a p{margin-bottom:0}

/* ===== CTA ===== */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:linear-gradient(135deg,#2A1A6E 0%,#160F3C 48%,#0A0918 100%);
  border:1px solid rgba(122,77,255,.3);
  padding:48px;
  box-shadow:0 24px 60px rgba(6,5,18,.6);
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(1.5px 1.5px at 18% 24%,rgba(255,255,255,.85) 50%,transparent 51%),
    radial-gradient(1.3px 1.3px at 72% 40%,rgba(31,224,200,.8) 50%,transparent 51%),
    radial-gradient(1.4px 1.4px at 42% 82%,rgba(255,200,98,.75) 50%,transparent 51%),
    radial-gradient(1.2px 1.2px at 88% 74%,rgba(255,255,255,.7) 50%,transparent 51%);
  background-size:240px 240px,300px 300px,200px 200px,260px 260px;
  opacity:.12;
}
.cta-band .row{position:relative;z-index:1}
.cta-band h2{font-size:34px;line-height:1.3;margin-bottom:14px}
.cta-band p{font-size:16px;line-height:1.85;color:var(--text-2);margin-bottom:0;max-width:32em}
.cta-points{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.cta-points li{display:flex;align-items:center;gap:10px;font-size:15px;color:#D6CDFF}
.cta-points i{color:var(--action);font-size:13px}
.subscribe-form{display:flex;flex-direction:column;gap:12px}
.field{
  width:100%;min-height:50px;padding:12px 18px;border-radius:var(--r-md);
  background:#0F0D22;border:1px solid var(--line);color:var(--text);
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.field::placeholder{color:#6E679B}
.field:focus{outline:none;border-color:var(--action);box-shadow:0 0 0 3px rgba(31,224,200,.18)}
.field-note{font-size:13px;line-height:1.7;color:var(--text-3)}
.field-note.is-error{color:var(--danger)}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:13px;line-height:1.7;color:var(--text-3)}
.check-row input{
  appearance:none;-webkit-appearance:none;flex:none;width:20px;height:20px;margin-top:3px;
  border:1px solid var(--line);border-radius:6px;background:#0F0D22;cursor:pointer;position:relative;
}
.check-row input:checked{background:var(--action);border-color:var(--action)}
.check-row input:checked::after{
  content:"";position:absolute;left:6px;top:2px;width:6px;height:11px;
  border:solid #0A0918;border-width:0 2px 2px 0;transform:rotate(45deg);
}

/* ===== 页脚 ===== */
.site-footer{
  position:relative;margin-top:24px;background:#080713;
  border-top:1px solid var(--line);padding:72px 0 28px;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--primary),var(--action),transparent);
}
.footer-top{padding-bottom:40px}
.footer-brand .brand{font-size:17px;margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--text-3);max-width:30em;margin-bottom:0}
.footer-title{font-size:16px;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-cats{display:flex;flex-wrap:wrap;gap:8px}
.footer-cats a{
  font-size:13px;font-weight:600;padding:7px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-2);
  transition:all .18s ease-out;min-height:36px;display:inline-flex;align-items:center;
}
.footer-cats a:hover{background:rgba(122,77,255,.16);color:#fff;border-color:rgba(122,77,255,.45)}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--text-2)}
.footer-links a:hover{color:var(--action)}
.footer-contact{display:flex;flex-direction:column;gap:10px;margin-bottom:16px}
.footer-contact span{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-2)}
.footer-contact i{color:var(--action);font-size:13px;width:16px;text-align:center}
.qr-box{
  display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:var(--r-md);
  border:1px dashed var(--line);background:rgba(255,255,255,.03);
  font-size:13px;color:var(--text-3);
}
.qr-box i{font-size:24px;color:var(--gold)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  padding-top:24px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-2);border-bottom:1px solid transparent}
.footer-bottom a:hover{color:var(--action);border-bottom-color:rgba(31,224,200,.6)}

/* ===== 动效 ===== */
.js-enabled .reveal{opacity:0;transform:translateY(16px);transition:opacity .45s ease-out,transform .45s ease-out}
.js-enabled .reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .js-enabled .reveal{opacity:1;transform:none}
}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .container{padding:0 28px}
  .hero h1{font-size:42px}
  .nav-cat{padding:0 13px;font-size:13px}
  .section-title{font-size:30px}
}
@media (max-width:1023px){
  .nav-cats{display:none}
  .nav-toggle{display:grid}
  .site-header{padding-top:12px}
  .section{padding:72px 0}
  .hero{padding:56px 0 72px}
  .hero h1{font-size:36px}
  .hero-visual{margin-top:44px}
  .hero-shot-small{right:0;bottom:-20px;width:48%}
  .cta-band{padding:36px}
  .cta-band h2{font-size:28px}
}
@media (max-width:767px){
  body{font-size:16px;line-height:1.85}
  .container{padding:0 20px}
  .section{padding:56px 0}
  .section-head{margin-bottom:28px}
  .section-title{font-size:24px}
  .hero{padding:40px 0 56px}
  .hero h1{font-size:30px;line-height:1.3}
  .hero-lead{font-size:17px}
  .hero-desc{font-size:15px}
  .hero-cta .btn{flex:1 1 auto}
  .step-card{padding:24px 20px 20px}
  .faq-q{font-size:16px;padding:18px 20px}
  .faq-a{padding:0 20px 20px}
  .cta-band{padding:28px 22px}
  .cta-band h2{font-size:23px}
  .rank-head{display:none}
  .rank-row{
    grid-template-columns:44px 1fr auto;
    grid-template-areas:"rank team pts" ". rate streak";
    row-gap:6px;column-gap:10px;padding:14px 16px;
  }
  .rank-cell--rank{grid-area:rank}
  .rank-cell--team{grid-area:team}
  .rank-cell--pts{grid-area:pts}
  .rank-cell--rate{grid-area:rate}
  .rank-cell--streak{grid-area:streak;text-align:right}
  .footer-top{padding-bottom:28px}
  .footer-brand,.footer-title{margin-top:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:479px){
  .brand{font-size:16px}
  .brand-mark{width:32px;height:32px;border-radius:10px}
  .hero h1{font-size:26px}
  .stat-pill{font-size:12px;padding:7px 13px}
  .hero-shot-small{width:54%;right:0;bottom:-16px}
  .dim-card{padding:20px 18px}
  .dim-card h3{font-size:19px}
  .drawer-grid{grid-template-columns:1fr}
}

/* roulang page: category4 */
:root{
  --bg:#0A0918;--panel:#121026;--card:#1B1836;--layer:#262246;
  --line:rgba(150,130,255,.16);--edge:rgba(122,77,255,.22);
  --primary:#7A4DFF;--primary-press:#5B2FE0;--action:#1FE0C8;--action-deep:#12B7A4;--gold:#FFC862;
  --text:#F1EEFF;--muted:#B9B2DC;--weak:#8B83B4;
  --paper:#F5F3FC;--paper-white:#FFFFFF;--paper-text:#1A1730;--paper-muted:#5A5480;--paper-line:rgba(26,23,48,.10);
  --r-sm:8px;--r-md:14px;--r-lg:22px;--r-pill:999px;
  --shadow-soft:0 1px 2px rgba(11,10,22,.06),0 12px 32px rgba(11,10,22,.10);
  --glow:0 8px 32px rgba(122,77,255,.18);
  --font-sans:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  --font-mono:ui-monospace,"SF Mono",Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--text);font-family:var(--font-sans);
  font-size:17px;line-height:1.9;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .18s ease-out,background-color .18s ease-out,border-color .18s ease-out}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,p,figure{margin:0}
h1{font-size:48px;line-height:1.2;font-weight:700;letter-spacing:-.01em}
h2{font-size:34px;line-height:1.3;font-weight:700;letter-spacing:-.01em}
h3{font-size:24px;line-height:1.4;font-weight:600}
h4{font-size:19px;line-height:1.5;font-weight:600}
p{font-size:17px;line-height:1.9;margin-bottom:1.15em}
p:last-child{margin-bottom:0}
::selection{background:rgba(122,77,255,.4);color:#fff}
:focus-visible{outline:2px solid var(--action);outline-offset:2px;border-radius:6px}
/* Foundation 覆盖 */
body,button,input,select,textarea{font-family:var(--font-sans)!important}
a{color:inherit}
a:hover{color:inherit}
.row{max-width:none;margin-left:0;margin-right:0}
.row.align-middle{align-items:center}
.column,.columns{padding-left:15px;padding-right:15px}
.accordion,.accordion-item,.accordion-title,.accordion-content{background:transparent;border:0}
/* 容器与板块 */
.container{width:100%;max-width:1234px;margin:0 auto;padding:0 17px}
.section{padding:96px 0;position:relative}
.section-tight{padding:72px 0}
.section-paper{background:var(--paper);color:var(--paper-text)}
.section-paper h2,.section-paper h3,.section-paper h4{color:var(--paper-text)}
.section-paper p{color:var(--paper-muted)}
.section-head{max-width:760px;margin-bottom:48px}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--action);margin-bottom:14px;font-weight:600}
.section-paper .section-head .eyebrow{color:#4B2FB8}
.section-head h2{margin-bottom:16px}
.section-head p{color:var(--muted);max-width:40em}
.section-paper .section-head p{color:var(--paper-muted)}
/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:44px;padding:14px 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;letter-spacing:.02em;border:1px solid transparent;
  cursor:pointer;transition:transform .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out,color .18s ease-out;
  white-space:nowrap;
}
.btn i{font-size:14px}
.btn-primary{background:linear-gradient(135deg,var(--action) 0%,var(--action-deep) 100%);color:#0A0918;box-shadow:0 6px 18px rgba(31,224,200,.22)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 24px rgba(31,224,200,.35);color:#0A0918}
.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 12px rgba(31,224,200,.22)}
.btn-ghost{background:transparent;border-color:var(--primary);color:#CFC4FF}
.btn-ghost:hover{background:rgba(122,77,255,.12);transform:translateY(-2px);color:#E4DDFF}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:10px 20px;font-size:14px;min-height:44px}
.btn-block{width:100%}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--action);text-decoration:underline;text-underline-offset:4px}
.btn-link:hover{color:#7FFFF0}
.section-paper .btn-ghost{border-color:#B9A6FF;color:#4B2FB8}
.section-paper .btn-ghost:hover{background:rgba(122,77,255,.10);color:#3A2199}
/* 徽章与标签 */
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-pill);font-size:13px;line-height:1.6;background:rgba(122,77,255,.16);color:#CFC4FF;border:1px solid rgba(122,77,255,.3)}
.badge-gold{background:rgba(255,200,98,.10);color:var(--gold);border-color:rgba(255,200,98,.38)}
.badge-action{background:rgba(31,224,200,.10);color:#7FFFF0;border-color:rgba(31,224,200,.32)}
.pill-group{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.pill{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:9px 18px;border-radius:var(--r-pill);background:rgba(255,255,255,.06);border:1px solid var(--line);font-size:14px;color:var(--muted);transition:.18s ease-out}
.pill:hover{background:rgba(31,224,200,.12);border-color:rgba(31,224,200,.4);color:#7FFFF0;transform:translateY(-1px)}
.pill i{font-size:12px}
/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:60;padding:12px 0 0;background:linear-gradient(180deg,rgba(10,9,24,.97) 0%,rgba(10,9,24,.78) 70%,rgba(10,9,24,0) 100%)}
.nav-panel{
  position:relative;display:flex;align-items:center;gap:20px;
  background:rgba(18,16,38,.92);border:1px solid var(--edge);border-radius:var(--r-lg);
  padding:10px 14px;box-shadow:var(--glow);
}
.nav-panel::before{content:"";position:absolute;left:24px;right:24px;top:0;height:3px;border-radius:0 0 var(--r-pill) var(--r-pill);background:linear-gradient(90deg,var(--primary),var(--action))}
.nav-brand,.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;letter-spacing:.01em;color:var(--text)}
.brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:var(--r-pill);display:inline-grid;place-items:center;background:linear-gradient(135deg,var(--primary),var(--action));color:#0A0918;font-size:15px}
.nav-cats{display:flex;align-items:center;gap:8px;flex:1 1 auto;justify-content:center;flex-wrap:wrap}
.nav-cat{
  position:relative;display:inline-flex;align-items:center;gap:8px;min-height:44px;
  padding:0 14px;border-radius:12px;background:rgba(255,255,255,.08);
  font-size:14px;color:var(--muted);transition:.18s ease-out;border:1px solid transparent;
}
.nav-cat i{color:var(--weak);font-size:14px;transition:color .18s ease-out}
.nav-cat:hover{background:rgba(255,255,255,.14);transform:translateY(-1px);color:var(--text)}
.nav-cat:hover i{color:var(--action)}
.nav-cat.active{color:var(--text);border-color:var(--action);background:rgba(31,224,200,.08)}
.nav-cat.active i{color:var(--action)}
.nav-cat.active::before{content:"";position:absolute;left:12px;right:12px;top:-11px;height:3px;border-radius:var(--r-pill);background:var(--action)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--edge);background:rgba(255,255,255,.06);color:var(--text);cursor:pointer}
.nav-toggle:hover{background:rgba(255,255,255,.12)}
.nav-brief{display:flex;align-items:center;gap:12px;height:40px;padding:0 22px;margin-top:10px;font-size:13px;color:var(--muted);border-top:1px solid transparent;background:linear-gradient(90deg,rgba(122,77,255,.16),rgba(31,224,200,.10));border-radius:0 0 var(--r-md) var(--r-md);overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.nav-brief strong{color:var(--gold);font-weight:600}
/* 移动抽屉 */
.nav-drawer{position:fixed;top:0;right:0;bottom:0;width:min(360px,86vw);background:var(--panel);border-left:1px solid var(--edge);z-index:90;transform:translateX(102%);transition:transform .22s ease-out;padding:20px;overflow-y:auto}
.nav-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:18px}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--edge);background:rgba(255,255,255,.06);color:var(--text);cursor:pointer}
.drawer-cats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:22px}
.drawer-cats a{display:flex;flex-direction:column;gap:8px;min-height:88px;padding:14px;border-radius:12px;background:rgba(255,255,255,.07);border:1px solid var(--line);font-size:14px;color:var(--muted)}
.drawer-cats a i{color:var(--action);font-size:18px}
.drawer-cats a:hover{background:rgba(255,255,255,.13);color:var(--text)}
.drawer-mask{position:fixed;inset:0;background:rgba(6,5,16,.65);z-index:80;display:none}
.drawer-mask.active{display:block}
/* 页头 */
.page-hero{position:relative;overflow:hidden;padding:64px 0 72px;background-image:linear-gradient(115deg,rgba(10,9,24,.95) 0%,rgba(18,16,38,.88) 55%,rgba(38,34,70,.78) 100%),url("/assets/images/backpic/back-1.png");background-size:cover;background-position:center}
.page-hero::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.1;background-image:radial-gradient(circle at 20% 30%,#fff 0 1px,transparent 1.5px),radial-gradient(circle at 70% 60%,#fff 0 1px,transparent 1.5px),radial-gradient(circle at 45% 85%,#fff 0 1px,transparent 1.5px);background-size:120px 120px,180px 180px,90px 90px}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--weak);margin-bottom:22px;line-height:1.6}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--action)}
.breadcrumb .sep{color:var(--weak)}
.breadcrumb .current{color:var(--text)}
.hero-tagline{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--action);margin-bottom:16px}
.hero-sub{font-size:19px;line-height:1.75;color:#D6CFFF;margin-top:18px;max-width:34em}
.hero-desc{font-size:16px;line-height:1.9;color:var(--muted);margin-top:16px;max-width:40em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-side{display:flex;flex-direction:column;gap:16px}
.hero-stat-card{background:rgba(18,16,38,.86);border:1px solid var(--edge);border-radius:var(--r-lg);padding:24px;box-shadow:var(--glow)}
.hero-stat-card h3{font-size:17px;margin-bottom:14px;color:var(--text)}
.hero-stat-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--muted);padding:9px 0;border-bottom:1px dashed var(--line)}
.hero-stat-list li:last-child{border-bottom:0}
.hero-stat-list i{color:var(--action);margin-top:6px;font-size:12px}
.hero-figure{margin-top:6px;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--edge);box-shadow:var(--glow)}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
/* 双栏图文 */
.feature-row{margin-bottom:72px}
.feature-row:last-child{margin-bottom:0}
.feature-media{order:1}
.feature-copy{order:2}
.feature-row.is-reverse .feature-media{order:2}
.feature-row.is-reverse .feature-copy{order:1}
.feature-media{position:relative}
.feature-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);border:1px solid var(--edge);box-shadow:var(--glow)}
.feature-media .media-caption{display:block;margin-top:12px;font-size:13px;color:var(--weak);text-align:center}
.num-badge{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--r-pill);border:1px solid rgba(255,200,98,.5);color:var(--gold);font-family:var(--font-mono);font-size:14px;letter-spacing:.04em;margin-bottom:18px}
.feature-copy h2{font-size:30px;margin-bottom:14px}
.feature-copy p{color:var(--muted)}
.check-list{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.check-list li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:#D6CFFF}
.check-list i{color:var(--action);font-size:13px;margin-top:7px}
/* 浅色区权益卡 */
.paper-cards{display:flex;flex-wrap:wrap;margin-top:8px}
.paper-card{background:var(--paper-white);border:1px solid var(--paper-line);border-radius:var(--r-lg);padding:28px 24px;height:100%;box-shadow:var(--shadow-soft);transition:transform .18s ease-out,box-shadow .18s ease-out}
.paper-card:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(11,10,22,.12)}
.paper-card .card-icon{width:46px;height:46px;border-radius:var(--r-md);display:grid;place-items:center;background:rgba(122,77,255,.12);color:#4B2FB8;font-size:18px;margin-bottom:18px}
.paper-card h3{font-size:19px;margin-bottom:10px}
.paper-card p{font-size:15px;line-height:1.8;color:var(--paper-muted)}
.stat-strip{display:flex;flex-wrap:wrap;margin-top:56px;border-top:1px solid var(--paper-line);padding-top:32px}
.stat-item{padding-right:24px}
.stat-item .stat-num{font-family:var(--font-mono);font-size:34px;line-height:1.2;color:#4B2FB8;font-weight:600}
.stat-item .stat-label{font-size:14px;color:var(--paper-muted);margin-top:8px}
/* 步骤时间线 */
.steps{display:flex;flex-wrap:wrap;margin-top:8px}
.step{position:relative;height:100%;padding:28px 24px;border-radius:var(--r-lg);background:var(--card);border:1px solid var(--edge);box-shadow:var(--glow)}
.step .step-index{font-family:var(--font-mono);font-size:13px;color:var(--gold);letter-spacing:.08em;display:block;margin-bottom:14px}
.step h3{font-size:19px;margin-bottom:10px}
.step p{font-size:15px;color:var(--muted);line-height:1.8}
.step::after{content:"";position:absolute;top:50%;right:-18px;width:12px;height:1px;background:var(--line)}
.step:last-child::after{display:none}
/* FAQ */
.accordion-wrap{max-width:920px;margin:0 auto}
.accordion{margin:0}
.accordion-item{position:relative;background:var(--paper-white)!important;border:1px solid var(--paper-line)!important;border-radius:var(--r-md)!important;margin-bottom:12px;overflow:hidden;transition:box-shadow .2s ease-out}
.accordion-item:hover{box-shadow:0 12px 32px rgba(11,10,22,.08)}
.accordion-item.is-active{box-shadow:inset 3px 0 0 0 var(--action-deep),0 12px 32px rgba(11,10,22,.08)}
.accordion-item .accordion-title{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px!important;font-size:17px;font-weight:600;color:var(--paper-text);line-height:1.5;border:0!important;background:transparent!important}
.accordion-item .accordion-title:hover,.accordion-item .accordion-title:focus{color:#4B2FB8;background:transparent!important}
.accordion-item .accordion-title::before{position:static!important;float:none!important;margin:0!important;order:2;flex:0 0 auto;content:"+"!important;font-size:22px;line-height:1;color:var(--action-deep);transition:transform .2s ease-out}
.accordion-item.is-active > .accordion-title::before{content:"+"!important;transform:rotate(45deg)}
.accordion-item .accordion-content{padding:0 24px 22px!important;border:0!important;background:transparent!important;font-size:15.5px;line-height:1.85;color:var(--paper-muted)}
/* CTA */
.cta-card{position:relative;overflow:hidden;border-radius:var(--r-lg);padding:56px;background:linear-gradient(118deg,#2A1A63 0%,#171238 55%,#0A0918 100%);border:1px solid rgba(122,77,255,.3);box-shadow:var(--glow)}
.cta-card::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.12;background-image:radial-gradient(circle,#fff 0 1px,transparent 1.5px);background-size:60px 60px}
.cta-card .cta-inner{position:relative;z-index:2}
.cta-card h2{font-size:32px;margin-bottom:16px}
.cta-card p{color:var(--muted);max-width:38em}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.cta-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
/* 页脚 */
.site-footer{position:relative;background:#070612;padding:64px 0 28px;margin-top:0}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,var(--primary),var(--action),transparent)}
.footer-top{padding-bottom:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--muted);max-width:26em}
.footer-title{font-size:15px;font-weight:600;color:var(--text);margin-bottom:18px;letter-spacing:.02em}
.footer-cats{display:flex;flex-wrap:wrap;gap:8px}
.footer-cats a{display:inline-flex;align-items:center;min-height:36px;padding:7px 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.06);border:1px solid var(--line);font-size:13px;color:var(--muted)}
.footer-cats a:hover{color:var(--action);border-color:rgba(31,224,200,.4);background:rgba(31,224,200,.08)}
.footer-links{display:flex;flex-direction:column;gap:6px}
.footer-links a{display:inline-flex;align-items:center;min-height:36px;font-size:14px;color:var(--muted)}
.footer-links a:hover{color:var(--text)}
.footer-contact{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.footer-contact span{display:inline-flex;align-items:center;gap:9px;font-size:14px;color:var(--muted)}
.footer-contact i{color:var(--action);font-size:13px}
.qr-box{display:inline-flex;align-items:center;gap:10px;padding:12px 16px;border-radius:var(--r-md);background:rgba(255,255,255,.05);border:1px solid var(--line);font-size:13px;color:var(--muted)}
.qr-box i{font-size:20px;color:var(--action)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;padding-top:24px;border-top:1px solid var(--line);font-size:13px;color:var(--weak)}
.footer-bottom a{color:var(--muted)}
.footer-bottom a:hover{color:var(--action)}
/* 动效 */
.reveal.pre{opacity:0;transform:translateY(16px)}
.reveal.in{opacity:1;transform:none;transition:opacity .5s ease-out,transform .5s ease-out}
/* 断点 1024 */
@media (max-width:1023px){
  h1{font-size:38px}
  h2{font-size:28px}
  .section{padding:72px 0}
  .nav-cats{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-actions .btn-primary{display:none}
  .feature-row .feature-media,.feature-row .feature-copy{order:1}
  .feature-row .feature-media{order:0;margin-bottom:24px}
  .feature-row{margin-bottom:56px}
  .feature-copy h2{font-size:26px}
  .page-hero{padding:48px 0 56px}
  .cta-card{padding:40px}
  .step::after{display:none}
  .stat-item{margin-bottom:24px}
}
/* 断点 768 */
@media (max-width:767px){
  body{font-size:16px;line-height:1.85}
  h1{font-size:30px;line-height:1.3}
  h2{font-size:24px}
  h3{font-size:19px}
  .section{padding:56px 0}
  .container{padding:0 5px}
  .nav-panel{border-radius:18px;padding:8px 10px;gap:12px}
  .nav-brand{font-size:16px}
  .brand-mark{width:30px;height:30px;flex:0 0 30px;font-size:13px}
  .hero-sub{font-size:16.5px}
  .hero-desc{font-size:15.5px}
  .section-head{margin-bottom:32px}
  .feature-media img{aspect-ratio:16/11}
  .cta-card{padding:30px 22px}
  .cta-card h2{font-size:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .qr-box{width:100%}
}
/* 断点 520 */
@media (max-width:519px){
  .hero-actions .btn,.cta-actions .btn{width:100%}
  .pill-group .pill{width:100%;justify-content:center}
  .drawer-cats{grid-template-columns:1fr 1fr}
  .accordion-item .accordion-title{padding:16px 18px!important;font-size:16px}
  .accordion-item .accordion-content{padding:0 18px 18px!important}
  .stat-item{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal,.reveal.pre{opacity:1;transform:none}
  html{scroll-behavior:auto}
}